Document | Document Title |
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US11812673B2 |
Quantum device with modular quantum building blocks
Techniques for a quantum device with modular quantum building blocks are provided. In one embodiment, a device is provided that comprises a substrate that is coupled with a plurality of qubit pockets, where at least one qubit pocket of the plurality of qubit pockets is coupled with a qubit. In one implementation, the device can further comprise a plurality of connectors coupled to the substrate and positioned around at least a portion of the substrate, where the plurality of connectors comprising a connecting element. In one or more implementations, the device can further comprise a plurality of transmission lines formed on the substrate and connect at least one connector of the plurality of connectors to at least one qubit pocket of the plurality of qubit pockets. |
US11812669B2 |
Magnetoresistive random access memory and method of manufacturing the same
A magnetoresistive random access memory (MRAM), including a bottom electrode layer on a substrate, a magnetic tunnel junction stack on the bottom electrode layer, a top electrode layer on the magnetic tunnel junction stack, and a hard mask layer on said top electrode layer, wherein the material of top electrode layer is titanium nitride, a material of said hard mask layer is tantalum or tantalum nitride, and the percentage of nitrogen in the titanium nitride gradually decreases from the top surface of top electrode layer to the bottom surface of top electrode layer. |
US11812668B2 |
Pillar-based memory hardmask smoothing and stress reduction
A method for fabricating a semiconductor device includes forming a conductive shell layer along a memory stack and a patterned hardmask disposed on the memory stack, and etching the patterned hardmask, the conductive shell layer and the memory stack to form a structure including a central core surrounded by a conductive outer shell disposed on a patterned memory stack. |
US11812665B1 |
Hard piezoelectric ceramic composition for multilayer piezoelectric transformers
A composition includes at least one Pb/Ni/Nb - Pb/Mg/W - Pb/Zr/Ti mixed oxide. A piezoelectric device may be made by providing at least two layers comprising the composition and coated with an outer electrode material; providing a plurality of layers comprising the composition and coated with an inner electrode material; combining or stacking a plurality of layers coated with inner electrode materials between two outer electrodes; and sintering or co-firing the inner electrode materials and outer electrode materials at a temperature at or below about 1000° C. |
US11812664B2 |
Pizoelectric MEMS device with electrodes having low surface roughness
In some embodiments, the present disclosure relates to a piezomicroelectromechanical system (piezoMEMS) device that includes a second piezoelectric layer arranged over the first electrode layer. A second electrode layer is arranged over the second piezoelectric layer. A first contact is arranged over and extends through the second electrode layer and the second piezoelectric layer to contact the first electrode layer. A dielectric liner layer is arranged directly between the first contact and inner sidewalls of the second electrode layer and the second piezoelectric layer. A second contact is arranged over and electrically coupled to the second electrode layer, wherein the second contact is electrically isolated from the first contact. |
US11812662B2 |
Evaporative electrical power generating apparatus
An apparatus and method for producing a temperature difference between the sides of a Thermo-Electric Generator (TEG) for generating electrical power are described. Water is used to saturate a wicking material in thermal communication with at least one thermal conductor, such as metal tubing or wires, whereby one side of the TEG is cooled by the reduction of heat caused by the evaporation of the liquid from the material, and transferred to the TEG by the at least one thermal conductor. The other side of the TEG is maintained in a dry condition, and exposed to ambient conditions, thereby remaining at ambient temperature and, as a result, containing more heat than the cooled side. |
US11812651B2 |
Flexible display device with anti-reflection layer and method for manufacturing same
A method for manufacturing a display device includes preparing a display panel that includes a first area, a bending area extending from the first area, and a second area extending from the bending area, attaching an anti-reflection layer to the display panel, removing a first removal section of a first releasing film disposed on the anti-reflection layer, the first removal section overlapping the second area of the display panel in a plan view, and providing a cover tape onto a first section of the anti-reflection layer that overlaps the second area of the display panel in a plan view. |
US11812649B2 |
Display device that prevents deterioration due to external light
A display device according to an embodiment includes a display unit including first emissive regions displaying a first color, second emissive regions displaying a second color, and third emissive regions displaying a third color; and an anti-reflection unit overlapping the display unit and including first color filters overlapping the first emissive regions, second color filters overlapping the second emissive regions, and third color filters overlapping the third emissive regions, wherein in a plan view, a ratio of an area of the first emissive regions, an area of the second emissive regions, and an area of the third emissive regions and a ratio of an area of the first color filters, an area of the second color filters, and an area of the third color filters are different. |
US11812637B2 |
Display device and optical inspection method for the same
A display device includes: a substrate; a display element layer disposed on the substrate, where the display element layer includes a light emitting element which emits light; a polarizing film disposed on the display element layer, where the polarizing film includes a first polarizer having a first absorption axis extending to a first direction and a first transmission axis extending to a second direction orthogonal to the first direction; and a first layer disposed on one surface of the polarizing film, where the first layer has a first phase difference. Light emitted from the display element layer has a polarizing axis, and an angle between the polarizing axis and one of the first absorption axis and the first transmission axis is in a range of about 25 degrees to about 65 degrees. |
US11812636B2 |
Organic light emitting diode having overcoat layer and organic light emitting device including the same
Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency. |
US11812635B2 |
Protection film having base layer over adhesive layer
A protection film for an electronic device includes an adhesive layer including a first surface to which an electronic device is attached, and a film layer which contacts a second surface of the adhesive layer and includes at least one member, where a thickness of the adhesive layer satisfies Inequality 1: z≤(5.1x+57.4)·ln(y)−(14.7x+140.5), where z is the thickness of the adhesive layer in terms of micrometers, x is a modulus of a member of the film layer which directly contacts the adhesive layer in terms of gigapascals, and y is a total thickness of the film layer in terms of micrometers. |
US11812631B2 |
Electroluminescence display with silver conductive layer covering exposed aliminum layer to prevent corrosion and manufacturing method for the same
The electroluminescence display device according to an embodiment of the present specification may include the substrate divided into a display area and a non-display area, the power supply line disposed in the non-display area for supplying power supplied to the display area, the first insulating film disposed on the power supply line and overlapping a part of the power supply line and having an open area where a part of the power supply line is exposed, and the conductive film covering the first insulating film and the power supply line in the open area. |
US11812629B2 |
Display device with fusion region overlapping metal wiring
A display device includes a display panel including a display area and a non-display area surrounding the display area, and a metal wiring layer disposed on at least a portion of the non-display area, an encapsulation substrate disposed on the display panel, a sealing member which is disposed between the display panel and the encapsulation substrate and bonds the display panel to the encapsulation substrate and a first fusion region provided in at least a partial region between the sealing member and the encapsulation substrate, where the first fusion region has no physical boundary, and where at least a portion of the sealing member is disposed on the metal wiring layer in the non-display area, and the first fusion region is separated from the metal wiring layer while overlapping the metal wiring layer in a thickness direction. |
US11812626B2 |
Light-emitting element
Provided is a light-emitting element with high external quantum efficiency, or a light-emitting element with a long lifetime. The light-emitting element includes, between a pair of electrodes, a light-emitting layer including a guest material and a host material, in which an emission spectrum of the host material overlaps with an absorption spectrum of the guest material, and phosphorescence is emitted by conversion of an excitation energy of the host material into an excitation energy of the guest material. By using the overlap between the emission spectrum of the host material and the absorption spectrum of the guest material, the energy smoothly transfers from the host material to the guest material, so that the energy transfer efficiency of the light-emitting element is high. Accordingly, a light-emitting element with high external quantum efficiency can be achieved. |
US11812625B2 |
Photoelectric converter and image sensor
A photoelectric converter includes a first electrode containing a transparent conductive material, a second electrode, and a multilayer body that is positioned between the first electrode and the second electrode, and that has a photoelectric conversion function. The multilayer body includes a first layer and a second layer positioned between the first layer and the second electrode. The first layer absorbs light in a first wavelength band of 360 nm or longer and transmits light in a second wavelength band, the second wavelength band including wavelengths longer than wavelengths included in the first wavelength band. The second layer absorbs the light in the second wavelength band. The multilayer body substantially does not have sensitivity for photoelectric conversion in the first wavelength band and has sensitivity for photoelectric conversion in the second wavelength band. |
US11812620B2 |
3D DRAM memory devices and structures with control circuits
A semiconductor device, the device including: a first level including a plurality of first memory arrays, where the first level includes a plurality of first transistors and a plurality of metal layers; a second level disposed on top of the first level, where the second level includes a plurality of second memory arrays, where the first level is bonded to the second level, where the bonded includes oxide to oxide bonding regions and a plurality of metal to metal bonding regions, where the plurality of first memory arrays includes a plurality of first DRAM (Dynamic Random Access Memory) cells, and where the plurality of second memory arrays includes a plurality of second DRAM (Dynamic Random Access Memory) cells. |
US11812619B2 |
Resistive memory devices
A resistive memory device includes a first conductive line extending in a first horizontal direction on a substrate, a plurality of second conductive lines separated from the first conductive line in a vertical direction and extending in a second horizontal direction intersecting with the first horizontal direction, on the substrate, a plurality of memory cells respectively connected between the first conductive line and one second conductive line selected from among the plurality of second conductive lines at a plurality of intersection points between the first conductive line and the plurality of second conductive lines, each of the plurality of memory cells including a selection device and a resistive memory pattern, and a bottom electrode shared by the plurality of memory cells, the bottom electrode having a variable thickness in the first horizontal direction, and including a top surface having a concave-convex shape. |
US11812617B2 |
Semiconductor device having a dam structure
A semiconductor device includes a memory stack on a substrate, the memory stack including gate electrodes, insulating layers and mold layers, the mold layers being disposed at the same levels as the gate electrodes in a through electrode area, a channel structure extending vertically through the gate electrodes in a cell array area, and a dam structure disposed between the isolation insulating layers and surrounding the through electrode area in a top view. The dam structure includes a dam insulating layer having a dam shape, an inner insulating layer inside the dam insulating layer, and an outer insulating layer outside the dam insulating layer. The inner insulating layer includes first protrusions protruding in a horizontal direction, and the outer insulating layer includes second protrusions protruding in the horizontal direction. |
US11812612B2 |
Semiconductor device and manufacturing method of semiconductor device
A semiconductor device includes a stacked structure with conductive layers and insulating layers that are stacked alternately with each other, an insulating pillar passing through the stacked structure, a first channel pattern surrounding a sidewall of the insulating pillar, a second channel pattern surrounding the sidewall of the insulating pillar, a first insulator formed between the first channel pattern and the second channel pattern, and a memory layer surrounding the first channel pattern, the second channel pattern, and the first insulator, the memory layer with a first opening located that is between the first channel pattern and the second channel pattern. |
US11812609B2 |
Three-dimensional semiconductor device having a first main separation structure and a second main separation structure on a lower structure
A three-dimensional semiconductor device includes first and second extended regions disposed on a substrate spaced apart from each other, a memory block disposed on the substrate between the first and second extended regions, and first and second main separation structures disposed on the substrate spaced apart from each other. The first extended region, the memory block and the second extended region are disposed between the first and second main separation structures. The memory block includes data storage regions and word lines. The word lines extend from the memory block and pass through the first and second extended regions. A distance between the first and second main separation structures located on both sides of the first extended region is greater than a distance between the first and second main separation structures located on both sides of the memory block. |
US11812607B2 |
Semiconductor devices including a liner and method of manufacturing the same
A semiconductor device may include active pattern, a silicon liner, an insulation layer, an isolation pattern and a transistor. The active pattern may protrude from a substrate. The silicon liner having a crystalline structure may be formed conformally on surfaces of the active pattern and the substrate. The insulation layer may be formed on the silicon liner. The isolation pattern may be formed on the insulation layer to fill a trench adjacent to the active pattern. The transistor may include a gate structure and impurity regions. The gate structure may be disposed on the silicon liner, and the impurity regions may be formed at the silicon liner and the active pattern adjacent to both sides of the gate structure. |
US11812606B2 |
Semiconductor device having gate trench
Disclosed herein is a method that includes forming a gate trench in a semiconductor substrate, forming a gate insulating film on an inner wall of the gate trench, forming a gate electrode in the gate trench via the gate insulating film, ashing a top surface of the gate electrode to form a first insulating film, and forming a gate cap insulating film embedded in the gate trench to cover the first insulating film. |
US11812602B2 |
Semiconductor device and method of manufacturing the semiconductor device
Provided herein may be a semiconductor device. The semiconductor device may include a first stacked body including a first stacked insulating layer and a first stacked conductive layer that are alternately stacked; a capacitor plug passing through the first stacked body; and a capacitor multi-layered layer configured to enclose the capacitor plug. The capacitor plug may include metal. |
US11812601B2 |
Semiconductor device including an interface film
A semiconductor device includes a substrate, first and second supporter patterns stacked sequentially on the substrate in a first direction and spaced apart from an upper surface of the substrate, a lower electrode hole that extends through the first and second supporter patterns on the substrate in the first direction, an interface film on side walls and a bottom surface of the lower electrode hole, a lower electrode inside of the lower electrode hole on the interface film, a capacitor dielectric film that is in physical contact with side walls of the interface film, an uppermost surface of the interface film, and an uppermost surface of the lower electrode, the uppermost surface of the interface film is formed on a same plane as an upper surface of the second supporter pattern. |
US11812596B2 |
Complex device
A complex device is provided. A complex device according to an embodiment of the present invention comprises: a suppressor including a pair of first dielectric sheet layers having a first dielectric constant and a pair of internal electrodes spaced apart from each other on one surface of one of the pair of first dielectric sheet layers; a capacitor including a plurality of second dielectric sheet layers having a second dielectric constant and a plurality of capacitor electrodes provided on each of the plurality of second dielectric sheet layers; and a pair of external terminals provided on both sides of the suppressor and the capacitor to be connected to the plurality of capacitor electrodes and the pair of internal electrodes. Here, provided is the complex device in which the first dielectric constant is greater than the second dielectric constant. |
US11812595B2 |
Isolation assembly for an electroacoustic device
Methods and apparatus for acoustically and electronically isolating a smart speaker to prevent unauthorized persons from using the smart speaker microphones to eavesdrop and intrude into a personal space. |
US11812594B2 |
Display apparatus
The present disclosure provides a display apparatus. The display apparatus includes a display module including a display panel and a guide plate, a flexible printed circuit board extending from the display panel, a source printed circuit board connected to the flexible printed circuit board and attached to the guide plate, at least one driving chip disposed on the source printed circuit board, and a protective member disposed to cover the flexible printed circuit board, the source printed circuit board, and the driving chip. |
US11812587B2 |
Computer cooling
The description relates to cooling electronic components, such as computing devices. One example includes a rack defining a volume and multiple sealed chassis modules removably fluidly coupled to a two-phase condenser tank via a vapor coupler and a liquid coupler. Individual sealed chassis modules can contain one or more electronic components immersed in two-phase coolant that when heated by operation of the electronic components experiences a phase change from a liquid phase to a gas phase and travels to the two-phase condenser tank via the vapor coupler and is cooled in the two-phase condenser tank until experiencing a phase change back into the liquid phase. Individual sealed chassis modules can be decoupled from the two-phase condenser tank without releasing two-phase coolant and an entirety of the multiple sealed chassis modules and the condenser tank are contained in the volume of the rack. |
US11812584B2 |
Heat spreader device
A device for transferring heat from a device component to an environment includes a heat plate connected to a spring. A first fastener attaches the spring to the heat plate at a first location. A second fastener, such as a rivet, attaches the spring to the heat plate at each of a second and a third location. The second fastener includes a tab on and extending above the heat plate and corresponding tab slot on the spring. The spring is riveted to the heat plate at the first location and a second spring member accepts the tab at each of the second location and the third location. Ribs on a top surface of spring facilitate thermal coupling of the spring to the component when the device is assembled. One or more spring curvatures facilitate vertical deflection and horizontal extension of the spring during device assembly. |
US11812583B2 |
Passive thermal-control system of a mesh network device and associated mesh network devices
This document describes a passive thermal-control system that is integrated into a mesh network device. The passive thermal-control system, which may include a heat sink and multiple heat spreaders, is such that heat originating with integrated circuit devices of the mesh network device and a speaker module of the mesh network device may be transferred to other components of the mesh network device, such as a housing component of the mesh network device. The heat may then be dissipated to an external environment to maintain a desired thermal profile of the mesh network device. |
US11812582B2 |
Symmetrical cold plate design
Embodiments are disclosed of a cold plate including substantially identical first and second frames. The first frame includes a first frame body with a first recess, a first mating surface surrounding the first recess, and a first plurality of heat transfer fins in the first recess. The second frame includes a second frame body with a second recess, a second mating surface surrounding the second recess, and a second plurality of heat transfer fins in the second recess. The second mating surface is in sealing contact with the first mating surface, so that the first and second recesses form a fluid chamber. The first and second pluralities of heat transfer fins form a plurality of fin channels in the fluid chamber. Advanced sealing structures can be formed between the first and second mating surfaces. A first fluid port and a second fluid port are fluidly coupled via fluid channels to the plurality of fin channels. |
US11812580B2 |
Modular breakout cable
A breakout cable, including a first portion of the cable coupled to a network switch, wherein at least a first section of the first portion is located within a volume inside of side walls of the computing rack, the first section of the first portion including first and second connectors and extending in a first direction; a second portion of the cable including a third connector, the third connector coupled to the first connector of the first portion and the first network interface module connected to a first server, the second portion of the cable extending in a second direction transverse to the first direction; a third portion of the cable including a fourth connector and, the fourth connector coupled to the second connector of the first portion and the second network interface module connected to a second server, the third portion of the cable extending in the second direction. |
US11812575B2 |
Server system
A server system comprises a deck, a front panel arranged on the deck and defining a collecting space; two doors arranged on opposite sides of the deck, and being perpendicular to the front panel; two receiving frame structures arranged between the doors in a back to back arrangement, and configured to receive multiple rows and columns of a plurality of storage drives horizontally, wherein two periphery corridors are each defined between one of the doors and one of the receiving frame structure facing the one door; two circuit boards arranged between the two receiving frame structures, wherein the two circuit boards comprise a plurality of slits, wherein a central corridor is defined between the two circuit boards; a storage cover disposed above the deck over the two periphery corridors, the central corridor, the two receiving frame structures, and the two circuit boards. |
US11812570B1 |
FPC/FFC tension keeping device and electronic device
A flexible circuit tension keeping device mountable on an electronic device includes a base seat having opposite first and second surfaces such that a flexible circuit board is bent to surround the first and second surfaces, at least one sliding member slidably disposed on the base seat in a front-rear direction, and spring members disposed between the base seat and the sliding member. The sliding member has a tense surface which is engaged with the flexible circuit board such that a pulling force generated as a result of rotation of a second device part relative to a first device part of the electronic device is applied to the flexible circuit board to move the tense surface of the sliding member toward the base seat, and the sliding member is biased by the spring members to keep tense of the flexible circuit board. |
US11812566B2 |
Metal plate and display device including the same
A display device includes a display panel including a front surface that displays an image, and a rear surface, wherein the display panel is foldable with respect to a folding axis extending in a first direction; and a metal plate disposed on the rear surface of the display panel, wherein the metal plate includes a first body and a second body that are arranged in a second direction intersecting the first direction; a patterned portion disposed between the first body and the second body to overlap the folding axis in a thickness direction of the display device; and at least one protrusion protruding parallel to the folding axis from an edge of at least one of the first body, the second body, and the patterned portion. |
US11812558B2 |
Display device and assembly method thereof
A display device includes: a display panel; a circuit board, one end of the circuit board being connected to the display panel, and the circuit board being at least partially disposed on a back surface of the display panel and includes a device region on a side distal from the display panel; at least one electronic device disposed in the device region; and an adhesive tape disposed on a side, distal from the display panel, of the circuit board and bonded to a back surface of at least a part of the circuit board and the back surface of at least a part of the display panel. At least a part of the at least one electronic device in the device region is disposed between the adhesive tape and the back surface of the display panel. |
US11812555B2 |
Overlapping printed circuit boards and electronic device including same
According to an embodiment of the disclosure, an electronic device comprises a first printed circuit board including a first electrical terminal exposed on one face of a first area, a second electrical terminal exposed on the one face of a second area and insulated from the first electrical terminal, and a first ground terminal exposed on the one face of a third area formed between the first area and the second area, the third area having a width narrower than a width of the first area or the width of the second area; and a second printed circuit board including a third electrical terminal exposed on one face of a fourth area, a fourth electrical terminal exposed on the one face of a fifth area and electrically connected to the third electrical terminal, and a second ground terminal exposed on the one face of a sixth area located between the fourth area and the fifth area, wherein the second printed circuit board is disposed on the first printed circuit board to overlap the third area, the first electrical terminal and the third electrical terminal are electrically coupled to each other, the second electrical terminal and the fourth electrical terminal are electrically coupled to each other, and the first ground terminal and the second ground terminal are electrically coupled to each other. |
US11812553B2 |
Conductive trace interconnection tape
A conductive trace interconnect tape for use with a printed circuit board or a flexible circuit substrate comprises a top insulating layer, an electrically conductive layer, and a bottom insulating layer. The top insulating layer is formed from electrically insulating material and is configured to provide electrical isolation from electrically conductive objects that are positioned on top of the conductive trace interconnect tape. The electrically conductive layer is positioned underneath the top insulating layer. The electrically conductive layer is formed from electrically conductive material and includes electrical interconnect traces, electrical component pads, or electrically conductive planar portions. The bottom insulating layer is positioned underneath the electrically conductive layer. The bottom insulating layer is formed from electrically insulating material and is configured to provide electrical isolation from electrically conductive objects that are positioned on the printed circuit board or flexible circuit substrate. |
US11812551B2 |
Flexible circuit boards for continuous analyte monitoring devices
A flexible circuit board for a continuous analyte monitoring (CAM) device includes a plurality of physically separate circuit board cells each having circuitry thereon. The flexible circuit board also includes a plurality of flexible interconnections each connecting one of the physically separate circuit board cells to another of the physically separate circuit board cells. Each one of the flexible interconnections is operable to couple power, electrical signals, or both to the physically separate circuit board cells connected thereto. The flexible circuit board is bendable in multiple directions in three dimensions. Methods of constructing flexible circuit boards for CAM devices are also provided, as are other aspects. |
US11812550B2 |
Embedding method of a flat heat pipe into PCB for active device cooling
Embedded cooling systems and methods of forming the same are disclosed. A system includes a PCB stack comprising a first major substrate opposite a second major substrate, a pre-preg layer disposed between the first and second major substrates, a power device stack embedded within the PCB stack and comprising a substrate, a power device coupled to the substrate of each power device stack, and a flat heat pipe having a first end embedded in the PCB stack and a second end extending outside the PCB stack, the power device stack being coupled to the flat heat pipe. |
US11812548B2 |
Display module and method for forming same
A display module and its formation method are provided in the present disclosure. The display module includes a main flexible circuit board, including a first binding terminal, a second binding terminal, a first test point and a second test point, where the first test point is electrically connected to the first binding terminal, and the second test point is electrically connected to the second binding terminal; and further includes an auxiliary flexible circuit board, including a third binding terminal and a fourth binding terminal, where the third binding terminal is electrically connected to the fourth binding terminal, the first binding terminal is disposed corresponding to the third binding terminal, and the second binding terminal is disposed corresponding to the fourth binding terminal. |
US11812540B1 |
Continuous large area cold atmospheric pressure plasma sheet source
The present disclosure is generally directed to a plasma sheet source and methods of using same. The plasma sheet source includes a cylindrical electrode having a conductive cylindrical core surrounded by a dielectric material, a plurality of channels configured to direct gas from a gas inlet to the electrode, and a plasma outlet positioned below the electrode. Gas is introduced to the plasma sheet source and directed toward the electrode, which when powered by pulsed direct current, produces plasma as the gas ionizes. The produced plasma is then directed out of the plasma outlet to a specimen for treatment of the specimen. Notably, the plasma exiting the plasma outlet is in the form of a plasma sheet that is at approximately room temperature. |
US11812537B2 |
Induction heated roll apparatus
In order to supply sufficient electric power to an induction heating mechanism even with a small-diameter roller, an induction heated roll apparatus includes a roller body having a hollow cylindrical shape, a drive shaft provided at each of both ends of the roller body and rotatably supported, an induction heating mechanism that is provided inside the roller body and allows the roller body to inductively generate heat, and a support shaft that extends from both ends of the induction heating mechanism and supports the induction heating mechanism. The support shaft is rotatably supported on an inner peripheral surface at both ends of the roller body via a bearing. |
US11812530B2 |
Illuminating system and luminance adjusting method thereof
An illuminating system includes a power source, an on/off switch, an examining module, an illuminating module and a master module. The power source supplies power. The on/off switch switches on or switches off the power from the power source. The examining module detects whether the on/off switch is switched off and whether the on/off switch's switched-off state lasts over a predetermined time interval. In addition, the examining module generates an adjust signal corresponding to a result of detecting the on/off switch. The illuminating module includes a plurality of illuminating elements. The master module adjusts a total current forwarded to and current ratios among the plurality of illuminating elements according to the adjust signal. |
US11812527B2 |
LED control device and lighting device including the same
A light emitting diode (LED) control device includes a power supply connected to a first driving node and a second driving node through which an LED driver is configured to supply power to an LED module including a first LED string and a second LED string, a square wave generator that generates a square wave, a duty ratio controller that outputs a control signal based on the square wave, and change a slope of the control signal based on a change in a time constant, and a switch circuit configured to control a ratio of a first current applied to the first LED string and a second current applied to the second LED string based on a change in the slope of the control signal. |
US11812525B2 |
Methods and apparatus for controlling the current supplied to light emitting diodes
Methods and apparatus for controlling current to an LED light source in a lighting device are described. In some embodiments, a warm dim light output is achieved. In an exemplary embodiment, a light emitting diode (LED) circuit includes two or more circuit branches coupled in parallel across a two terminal direct current (DC) voltage input including a positive input terminal and a negative input terminal; each of the two or more circuit branches including a set of light emitting diodes, each of said set of light emitting diodes including at least one light emitting diode; and at least one of said circuit branches including a current control circuit that controls the current passing through each of said two or more circuit branches. |
US11812523B2 |
Thermal processing system with transmission switch plate
Apparatus, systems, and methods for processing workpieces are provided. In one example, the system includes a processing chamber. The system includes a workpiece support configured to support a workpiece within the processing chamber. The system includes a heat source configured to emit light toward the workpiece. The system includes a shutter disposed between the workpiece and the heat source. The shutter includes an electrochromic material configurable in a translucent state and an opaque state. When the electrochromic material is configured in the opaque state, the shutter reduces transmission of the light through the shutter, and when the electrochromic material is configured in the translucent state, the light at least partially passes through the shutter. The system includes a controller configured to control the shutter to reduce transmission of light through the shutter during a thermal treatment process. |
US11812520B2 |
Methods and systems for providing network connectivity to a secure access service edge (SASE) domain
Methods and system for providing network connectivity are disclosed. In an embodiment, a method for providing network connectivity involves receiving from a Mobile Network Operator (MNO) an access ID and an IP address at a SASE domain, wherein the access ID and the IP address correspond to a wireless device, generating an IP address-to-tenant mapping at the SASE domain by applying the access ID and the IP address to an access ID-to-tenant mapping, and forwarding traffic received at the SASE domain from the wireless device via the MNO according to the IP address-to-tenant mapping. |
US11812512B2 |
Detecting a change to relay device protocol data unit session configuration
Aspects relate to a relay device detecting a change in a protocol data unit (PDU) session configuration that the relay device has established for a user equipment (UE) that accesses a network via the relay device. Upon detecting this change, the relay device signals an indication of the change to the UE. Aspects also relate to UE that is connected to a relay device and that reselects an interworking function (e.g., a non-3rd Generation Partnership Project interworking function (N3IWF)). In some examples, the UE receives an indication from the relay device that a serving relay PDU session configuration has changed and, in response, the UE selects a new interworking function. |
US11812510B2 |
Methods for rapid, precision position determination in 5G/6G
Vehicles in traffic cannot coordinate their actions properly in 5G and 6G without knowing the location and the wireless address of the other vehicle. GNSS signals are generally too slow and too imprecise to discern vehicles in, for example, adjacent lanes. Directional wireless beams are subject to reflections from conducting surfaces, producing chaotic signals and false locations if more than one vehicle is within the transmission beam. To provide precise localization in traffic, methods are disclosed for multiple vehicles (or other mobile devices) to acquire satellite signals simultaneously, and then analyze the data differentially, thereby canceling major uncertainties (such as propagation variations, ephemeris motion, and clock jitter), and thereby determining the relative positions precisely. Unlike prior-art “precision” positioning methods, the disclosed methods do not require averaging multiple acquisitions. On the contrary, examples show how high differential precision can be obtained without averaging, using measurements acquired at the predetermined time. |
US11812509B2 |
Communication related to configuration update
One disclosure of the present specification provides a method for performing, by relay UE, communication related to a configuration update. The method comprises the steps of: receiving, from a network node, a configuration update command message including information requesting to perform a registration procedure; and transmitting, to the network node, a response message to the configuration update command message, wherein the response message includes information requesting to maintain a NAS signaling connection between the relay UE and the network node. |
US11812507B2 |
Wireless communication system that performs communication
When a mobile wireless terminal device and a portable wireless terminal device perform wireless communication according to a second wireless communication scheme, the portable wireless terminal device receives a touch parameter from the mobile wireless terminal device. When the touch parameter does not indicate “touched”, the mobile wireless terminal device activates wireless communication according to a first wireless communication scheme, and the portable wireless terminal device suspends wireless communication according to the first wireless communication scheme. When the touch parameter indicates “touched”, the mobile wireless terminal device activates wireless communication according to the first wireless communication scheme, and the portable wireless terminal device activates wireless communication according to the first wireless communication scheme. |
US11812505B2 |
Methods and/or systems for activation and/or configuration of an electronic subscriber identity module (eSIM)
A device identifies device model information for the device. The device provides, to a first server device, an activation request that includes the device model information to activate an embedded subscriber identity module (eSIM) for the device. The device receives, from the first server device, an activation response that includes an eSIM profile identifier and location information that is to be used to identify eSIM profile configuration data (PCD). The device provides, to a second server device, a configuration request that includes an eSIM component identifier that identifies the eSIM of the device. The second server device is provided with the configuration request based on the location information. The device receives, from the second server device, a configuration response that includes the eSIM PCD. The device configures, by using the eSIM PCD, the eSIM with the eSIM profile. |
US11812504B2 |
Method and apparatus for flexibly supporting services in wireless communication system
The disclosure relates to a communication technique for combining, with IoT technology, a 5th generation (5G) communication system or a pre-5G communication system for supporting a higher data transmission rate after a 4th generation (4G) system such as long-term evolution (LTE), and to a system therefor. The disclosure may be applied to intelligent services (e.g., a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, security and safety-related service, etc.), based on a 5G communication technology and an IoT-related technology. Various embodiments may provide a method for managing context of a terminal in a mobile communication system. |
US11812502B2 |
Method for transmitting data according to EDT
One disclosure of the present specification provides a method for supporting early data transmission (EDT) by a base station. The method may comprise a step of receiving a first message from a mobility management entity (MME). A first NAS message may include downlink data. The method may further comprise a step of confirming that there is no additional data other than the downlink data, on the basis of reception of the first NAS message. |
US11812497B2 |
Technology coordination for device-to-device discovery
Embodiments of a ProSe Direct Discovery process are described. In some embodiments, an apparatus of a user equipment (UE) is configured as a Proximity Services (ProSe) enabled UE, and may encode, for transmission over a PC3 interface to a ProSe Function in a Home Public Land Mobile Network (HPLMN), a discovery request message for an announcing procedure, including transmission of one or more announcements over a PC5 interface, wherein the discovery request message for the announcing procedure includes a PC5 technology (PC5_tech) parameter to indicate a PC5 radio technology to be used by the UE for the announcing procedure. In some embodiments, the UE may decode a discovery response message for the announcing procedure, received over the PC3 interface from the ProSe Function in the HPLMN, including a ProSe application code and the PC5_tech parameter to indicate the PC5 radio technology authorized to be used for the ProSe application code. |
US11812496B2 |
User group session management method and apparatus
A user group session management method includes receiving, by a session management network element from a mobility management network element, a first message for requesting to establish a user group session for a first terminal, where the first message comprises an identifier of the first terminal and an identifier of a user group, generating, by the session management network element based on the identifier of the user group, a routing forwarding policy for the first terminal, and sending, by the session management network element, a second message to a user plane network element, where the second message indicates the user plane network element to establish a first session for the first terminal, and the second message carries the routing forwarding policy. |
US11812494B2 |
Method and apparatus for multi-sim operation based on reporting on terminal state in mobile wireless communication system
A method and apparatus for Multi-SIM operation based on reporting on terminal state is provided. Method for Multi-SIM operation based on reporting on terminal state includes receiving from a base station a first RRCReconfiguration, transmitting to the base station a UEAssistanceInformation, starting the first timer after initiating transmission of UEAssistanceInformation, receiving from the base station a second RRCReconfiguration, transmitting to the base station a RRCReconfigurationComplete in response to the second RRCReconfiguration and starting the first timer if the reconfigurationWithSync was included in a masterCellGroup in the second RRCReconfiguration and if the terminal initiated transmission of the UEAssistanceInformation during a specific time period. |
US11812493B2 |
Method and apparatus for data transfer and power headroom reporting in RRC_inactive state in mobile wireless communication system
A method and apparatus for data transfer in RRC_INACTIVE state is provided. Method for data transfer in RRC_INACTIVE state includes transmitting a UECapabilityInformation, receiving a RRCRelease the RRC release message includes a first information for a second resume procedure, receiving a system information the system information includes a first threshold and a second threshold, initiating a second resume procedure and cancelling triggered PHR. |
US11812486B2 |
Wi-Fi connection control method and related products
A wireless fidelity (Wi-Fi) connection control method and related products are provided, which are applied to an electronic device. The electronic device supports dual Wi-Fi and includes a Wi-Fi communication module. The electronic device accesses a first access point (AP) and a second AP through the Wi-Fi communication module in a dual Wi-Fi state. A first frequency band of the first AP is different from a second frequency band of the second AP. The method includes the following. A resource conflict between a third AP and the second AP is detected. In response to the detected resource conflict between the third AP and the second AP, a connection between the electronic device and the second AP is released. |
US11812485B2 |
Bluetooth communication method and terminal
A BLUETOOTH communications method includes receiving a BLUETOOTH-headset communication instruction, wherein a quantity of BLUETOOTH headsets currently to be coupled to the terminal is greater than one; displaying, by a terminal, an information for a user to switch a BLUETOOTH headset working mode to a non-exclusive mode when the BLUETOOTH headset working mode is an exclusive mode; and, simultaneously communicating, by the terminal with all the BLUETOOTH headsets. |
US11812483B2 |
Support of proprietary features in wireless communications networks
Methods, systems, and devices for wireless communications are described to enable abase station and a user equipment (UE) to identify and respond to communications in accordance with one or more communications services. For example, the base station and the UE may support communications in accordance with a wireless communications standard (e.g., third generation partnership project (3GPP) standard), in addition to supporting an additional communications service including one or more proprietary features. In some cases, the UE may transmit an indication to the base station, or the base station may otherwise determine, that the UE supports the proprietary features. Further, the base station may assign and transmit a unique radio network temporary identifier (RNTI) to the UE for the additional communications service (e.g., a proprietary RNTI). Accordingly, the UE and the base station may identify and use the proprietary RNTI when transmitting, receiving, decoding, and responding to proprietary communications messages. |
US11812477B2 |
Methods and apparatus for random access with contention resolution message repetition
A method may include sending a contention resolution message for a random access procedure from a user equipment (UE) through a physical uplink channel in a wireless communication network, and sending a repetition of the contention resolution message from the UE through the physical uplink channel. The physical uplink channel may include a physical uplink shared channel (PUSCH). The method may further include selecting a preamble from a first preamble group corresponding to a capability of the UE to send the repetition of the contention resolution message, and sending the preamble from the UE. Selecting the preamble from the first preamble group may include selecting a preamble from a first preamble sub-group corresponding to the capability of the UE to send the repetition of the contention resolution message. |
US11812472B2 |
Methods and systems for improved resource unit utilization
Disclosed are methods and systems for wireless communication. In one aspect, a method includes generating, by an access point, a frame, the frame assigning first resource units to first devices participating in a multi-user transmission with the access point during a transmission opportunity, and further indicating second resource units available during the transmission opportunity for transmissions to other devices, transmitting the frame; and receiving the multi-user transmission from the first devices according to the resource unit assignments. |
US11812465B2 |
Mixed mode operation in low power frequency hopping
Methods, systems, and devices for wireless communications are described. User equipments (UEs) and base stations may communicate in low power modes. A base station may transmit, to a UE, a configuration of a first regulation operating mode for the UE. The first regulation operating mode may be associated with one or more of a first transmit power constraint, a first frequency hopping setting, or a first LBT setting. The base station may transmit downlink communications to the UE according to a second regulation operating mode, which may be different from the first regulation operating mode. the UE may then perform uplink transmissions to the base station according to the first regulation operating mode. In some cases, the UE may also receive signaling advertising the second regulation operating mode of the base station. |
US11812464B2 |
Physical layer preamble and signaling for wireless communication
This disclosure provides methods, devices and systems for wireless communication, and particularly, methods, devices and systems for including signaling regarding enhanced features of new wireless communication protocols. The signaling may be included in various portions of a physical layer preamble of a wireless transmission. In some implementations, the physical layer preamble may be used to indicate puncturing of subbands or content channels that may carry further signaling in accordance with preamble signaling designs of this disclosure. The physical layer preamble signaling be parallelized for different subchannels of a wireless channel that consists of multiple subchannels. Some implementations of the physical layer preambles may be used to multiplex different types of wireless local area network communications into different subsets of the plurality of subchannels of the wireless channel. |
US11812462B2 |
CSI enhancement for NR SL and UU
This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for indicating sidelink CSI information to a base station. A UE and a base station may determine a priority of a sidelink CSI report on an uplink channel in association with a priority of one or more of at least one uplink transmission or at least one other sidelink transmission. The sidelink CSI report may correspond to one or more sidelink transmissions between the UE and at least one other UE. The UE may transmit, and the base station may receive, via the uplink channel, the sidelink CSI report based on the priority of the sidelink CSI report on the uplink channel being determined in association with the priority of the one or more of the at least one uplink transmission or the at least one other SL transmission. |
US11812459B2 |
Wireless communication system using multiple transmission and reception points
Disclosed is a wireless communication system using multiple transmission and reception points. In a wireless communication system having a first transmission and reception point and at least one second transmission and reception point belonging to the same cell, the first transmission and reception point has a wider transmission area than the at least one second transmission and reception point, and the first transmission and reception point and the at least one second transmission and reception point generate downlink transmission signals by using the same physical layer cell ID or virtual cell IDs allocated to each terminal, and then the terminals generate uplink transmission signals by using the allocated virtual cell IDs. |
US11812456B2 |
Interference avoidance based on multiple outer loop link adaptation (OLLA) processes
The disclosed embodiments are directed toward improvements in dynamic spectrum sharing (DSS) between cellular network technologies. In one embodiment, a method is disclosed comprising initiating scheduling for a resource in a slot and determining a neighboring base station associated with user equipment (UE). The method then determines a type of interference associated with the neighboring base station and the slot and identifies an outer loop link adaptation (OLLA) value associated with the type of interference. An effective data rate is calculated based on the OLLA value and the method completes scheduling using the effective data rate. |
US11812455B2 |
Response information transmission method, communications device, and network device
Example communication methods and apparatus are described. One example communication method includes receiving first indication information by a first communications device from a network device, where the first indication information indicates a first resource for sidelink communication. The first communications device sends the first data to a second communications device. The first communications device receives second indication information from the network device, where the second indication information is used to determine a second resource for transmitting feedback information. The first communications device receives feedback information of the first data from the second communications device. |
US11812452B2 |
Methods, apparatus and systems for transmitting signal and channel information
Methods, apparatus and systems for transmitting signal and channel information in a wireless communication are disclosed. In one embodiment, a method performed by a wireless communication node is disclosed. The method comprises: determining a first time domain position associated with a transmission of a first block according to a first configuration; and transmitting a second block at the first time domain position according to a second configuration, wherein the second configuration is different from the first configuration. |
US11812447B2 |
Semi persistent scheduling physical downlink shared channels for new radio multicast
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration indicating a plurality of semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) communications associated with a multicast service. The UE may receive, based at least in part on determining that a reception condition is satisfied, an SPS PDSCH communication of the plurality of SPS PDSCH communications. Numerous other aspects are provided. |
US11812446B2 |
Feedback techniques for mixed mode transmission schemes
Methods, systems, and devices for wireless communication are described to indicate a transmission scheme configuration for a message and whether the message is a retransmission or new transmission. In a first example, a base station may configure a subset of one or more feedback process identifiers (IDs) for multicast messages. In such cases, if a grant includes a feedback process ID associated with one of the reserved IDs, the message scheduled by the grant may be a retransmission of a multicast message. In a second example, feedback process IDs may be dynamically allocated to multicast or unicast messages via a corresponding grant. A message may be identified as a new transmission or retransmission of a unicast message or multicast message based on a combination of an ID associated with the grant and a new data indicator (NDI) of the grant. |
US11812438B2 |
Specifying a transmission-time limit for uplink multi-user communication
An electronic device that selectively provides a trigger frame is described. During operation, the electronic device may receive a frame from a recipient electronic device, where the frame includes information that specifies a maximum uplink multi-user transmit duration of the recipient electronic device. Moreover, the electronic device may selectively provide the trigger frame to the recipient electronic device that specifies an uplink OFDMA frame or an uplink MIMO frame associated with the recipient electronic device. The trigger frame may be selectively provided when a transmit time corresponding to the uplink OFDMA frame or the uplink MIMO frame is less than or equal to the maximum uplink multi-user transmit duration. |
US11812437B2 |
NLOS wireless backhaul uplink communication
A method for uplink (UL) wireless backhaul communication at a wireless backhaul remote unit in a radio access network comprising receiving a configuration for radio frames and a transmission schedule through a downlink (DL) physical layer broadcast channel, wherein the transmission schedule comprises a transmission allocation for the remote unit, generating a UL data frame, wherein generating the UL data frame comprises performing forward error correction (FEC) encoding on a data bit stream to generate a plurality of FEC codewords, wherein performing the FEC encoding comprises performing Reed Solomon (RS) encoding on the data bit stream to generate a plurality of RS codewords, performing byte interleaving on the RS codewords, and performing Turbo encoding on the byte interleaved RS codewords to generate one or more Turbo codewords, wherein each Turbo codeword is encoded from more than one RS codeword, and transmitting the UL data frame according to the transmission allocation. |
US11812436B2 |
Uplink control spatial relation update with uplink control carrier switch
Aspects of the disclosure relate to communicating uplink control information. In an aspect, a first device receives from a second device configuration information including an indication to transmit uplink control information via a primary component carrier (PCC) or a given secondary component carrier (SCC) of at least one SCC in a slot. The first device also receives from the second device mapping information indicating an enabled spatial relation information configured for the PCC or the given SCC for transmitting the uplink control information. Thereafter, the first device identifies the enabled spatial relation information from the mapping information and transmits to the second device the uplink control information on the PCC or the given SCC in the slot based on the indication included in the configuration information, the enabled spatial relation information, and an uplink resource mapped to the enabled spatial relation information. |
US11812434B2 |
Method for reporting channel status and device
A method for reporting a channel status and a device, where the method includes: a terminal receiving configuration signaling for semi-persistent channel state information (CSI) reporting, wherein the configuration signaling comprises one or more reporting periods of CSI of N cells, wherein the N cells are used for data communication of the terminal, and wherein N is an integer greater than or equal to 1; the terminal receiving channel status request signaling, wherein the channel status request signaling indicates to the terminal to report the CSI of the N cells; and the terminal transmitting, according to the one or more reporting periods, the CSI of the N cells. |
US11812432B2 |
Method and apparatus for using indication information of time domain resource allocation
Various embodiments of the present disclosure provide a method for using indication information of time domain resource allocation. The method comprises receiving from a network node indication information of time domain resource allocation for a first type of message. The method further comprises determining a location of time domain resource for a first type of message based at least in part on the indication information and/or configuration information. |
US11812430B2 |
Autonomous determination of scheduling parameters for dynamically scheduled uplink transmissions
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a downlink control information (DCI) message that dynamically schedules one or more physical uplink shared channel (PUSCH) transmissions. The UE may autonomously determine a set of scheduling parameters for the one or more PUSCH transmissions that are dynamically scheduled by the DCI message. The UE may transmit the one or more PUSCH transmissions based at least in part on the set of scheduling parameters. Furthermore, in some aspects, uplink control information (UCI) may be multiplexed onto each of the one or more PUSCH transmissions. For example, the UCI multiplexed onto each PUSCH transmission may indicate the set of scheduling parameters autonomously determined for the respective PUSCH transmission. Numerous other aspects are provided. |
US11812424B2 |
Wireless device and wireless communication method for scheduling assignment message transmission
Provided are a wireless device and a wireless communication method in a wireless communication network comprising multiple wireless devices capable of communicating with each other directly, the wireless device comprising: a processing circuitry operative to multiplex data with a scheduling assignment message, into transmission information; and a transmitter operative to transmit the transmission information in a scheduling assignment period, to another wireless device in the wireless communication network, wherein the scheduling assignment message is used for indicating data transmission resource in the scheduling assignment period or in a previous scheduling assignment period. |
US11812420B2 |
Techniques for determining beams for beamforming wireless communications
Aspects described herein relate to configuring, at a device, default beam information for determining a beam for data channel communications. The device can determine to use the default beam information for configuring the beam for a data channel communication based on determining explicit beam information is not configured. In addition, the device can transmit, based on determining to use the default beam information, the data channel communication based on the beam configured using the default beam information. |
US11812419B2 |
Apparatus and method for controlling congestion in wireless communication system
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The disclosure is for controlling congestion of a channel in a wireless communication system According to an embodiment of the present disclosure, a method performed by a terminal in a wireless communication system comprises determining a plurality of granted transmission resources for a sidelink communication, performing a transmission or a retransmission using at least one transmission resource among the plurality of granted transmission resources, receiving an acknowledgement (ACK) for the transmission or the retransmission, in response to the ACK, releasing one or more transmission resources among the plurality of granted transmission resources, measuring a channel occupancy ratio (CR) from transmission resources other than the released one or more transmission resources from the plurality of granted transmission resources, and transmitting a physical sidelink shared channel (PSSCH) to satisfy a condition that the measured CR does not exceed a configured CR limit so that a congestion control is performed. |
US11812417B2 |
Method and node indicating a first carrier in NB-IoT operating within NR
A method performed by a first network node operating in a wireless communications network is described herein. The first network node initiates sending a first indication to a first wireless device operating in the wireless communications network using NB-IoT. The first indication indicates that a first carrier, the first carrier being a standalone Narrow Band-Internet of Things, NB-IoT, carrier operating within a New Radio, NR, carrier, is: a) deployed in one of: a guardband mode and an inband mode, and b) shifted away by a frequency offset from a frequency channel raster grid used by the first wireless device. |
US11812411B2 |
Systems and methods of vehicle-to-everything (V2X) security
A method of wireless communication includes receiving, by a user equipment (UE), a system information block of type 21 (SIB21) from a network device. The SIB21 indicates a communication resource pool associated with a sidelink. The method further includes receiving one or more messages from the network device based on receiving the SIB21 and prior to communicating using the communication resource pool. The method further includes communicating, based on verifying an identity of the network device based on the one or more messages, via the sidelink using the communication resource pool and based on a vehicle-to-everything (V2X) wireless communication protocol. |
US11812409B2 |
Paging early indication location determination
Certain aspects of the present disclosure provide techniques for PEI location determination. According to certain aspects, a method of wireless communication by a user equipment (UE) includes receiving, from a network entity, a configuration of a paging early indication (PEI) that indicates, for multiple paging occasions (POs) in multiple paging frames (PFs), whether paging physical downlink control channels (PDCCHs) are scheduled in the multiple POs, identifying a reference PF from one of the multiple PFs, and monitoring for the PEI in a location of a PEI occasion determined based on the reference PF and at least one timing offset. |
US11812407B2 |
Method and apparatus for sending and receiving information, base station and user equipment
The present disclosure relates to methods and apparatuses for sending information, methods and apparatuses for receiving information, base stations, user equipment and computer readable storage media. The method of sending information includes: receiving auxiliary information of UE reported by the UE; determining to enter a reduced paging transmission area state according to the auxiliary information and pre-stored capability information of the UE; reducing a paging transmission area according to the reduced paging transmission area state; sending a wake-up signal or a wake-up channel for the UE within the reduced paging transmission area, where the reduced paging transmission area is a sub-area of a tracking area; and sending a paging message for the UE within the reduced paging transmission area. In examples of the present disclosure, the paging message for the UE is sent within the reduced paging transmission area, which effectively reduces signaling overhead. |
US11812406B2 |
Techniques for reducing false paging reception
This disclosure provides systems, methods, and devices for wireless communication that support a reduction in false positive paging. In some implementations, a method of wireless communication includes receiving, at a user equipment (UE) from a base station, a paging downlink control information (DCI). The paging DCI message is encoded to indicate an addressee of a paging message or indicates one or more UEs or a location of radio resources of the paging message in a time dimension, a frequency dimension, or both. The method also includes determining, at the UE, whether the paging message is addressed to the UE based on: an encoding of the paging DCI message, whether the one or more UEs include the UE, or the location of the radio resources of the paging message in the time dimension, the frequency dimension, or both. Other aspects and features are also claimed and described. |
US11812398B2 |
Method and apparatus for synchronizing radio network nodes
A group of radio network nodes (14) performs automatic synchronization source selection using Radio-interface Based Synchronization, based on the exchange of clock-attribute information between respective nodes (14) via inter-node connections. Access to the clock-attribute information for other nodes (14) in the same domain or subdomain allows a given node (14) to select the best or most preferred synchronization source for use in synchronizing its own clock (44), based on a combined or joint evaluation of parameters or metrics that include the reception quality of OTA signals from respective ones of the candidate nodes (14) and the corresponding clock-attribute information. Further parameters or metrics may be evaluated in the selection, such as neighbor-relation considerations. The combined use of OTA synchronization signaling and clock-attribute information exchanges, e.g., according to IEEE 1588 PTP, enables the group of nodes (14) to carry out Best Master Clock Selection (BMCS) or Alternate BMCS algorithms on an automatic basis. |
US11812392B2 |
Wireless communication apparatus and beam control method
A wireless communication apparatus outputs first and second beams, based on a weighting vector representing gain and/or phase weighting. The apparatus derives a weighting vector corresponding to a maximum eigen value of a matrix obtained by subtracting, from a first matrix representing a main lobe output power of the first beam, a matrix obtained by multiplying a second matrix representing a side lobe output power of the first beam to a reduction ratio for reducing the side lobe output power of the first beam interfering with a main lobe of the second beam. The apparatus determines whether or not a power ratio of the main lobe output power of the first beam with respect to the side lobe output power of the first beam is greater than a maximum SIRmax, and extracts the weighting vector when the power ratio is not larger than the maximum SIRmax. |
US11812391B2 |
Systems, methods, and apparatus for combined power control of multiple transmit paths
A method of controlling power in a transmission system may include determining a first transmit power of a first transmit path, determining a second transmit power of a second transmit path, and controlling the first transmit path and the second transmit path based on a combination of the first transmit power and the second transmit power. The combination of the first transmit power and the second transmit power may include a sum of the first transmit power and the second transmit power. Controlling the first transmit path and the second transmit path may include determining a first effective power target for the first transmit path based on the first transmit power and the second transmit power, and determining a second effective power target for the second transmit path based on the first transmit power and the second transmit power. |
US11812389B2 |
Thermal management method for multiple heat sources and wireless communication apparatus having multiple heat sources
A thermal management method is applicable to a wireless communication apparatus. The wireless communication apparatus includes at least a wireless communication module, a heat source set, a thermally conductive assembly, a heat-dissipating fin assembly, and a cooling fan. The thermally conductive assembly is connected to the wireless communication module and the heat source set. The heat-dissipating fin assembly is connected to the thermally conductive assembly and arranged corresponding to the heat source set or the wireless communication module. The cooling fan normally operates at a first rotational speed for cooling to the heat-dissipating fin assembly. Upon the raising of a temperature value of the wireless communication apparatus, the method is to raise the first rotational speed to a second rotational speed, switch down the power consumption of the heat source set, and execute an event trigger, so as to maintain the temperature value within a proper temperature range. |
US11812387B2 |
Method and apparatus for controlling power consumption of terminal, and storage medium
Disclosed are a method and apparatus for controlling the power consumption of a terminal, and a storage medium. The method comprises: obtaining a temperature of the terminal; and in response to the temperature being greater than a first temperature threshold, controlling the terminal to switch from a dual-connection mode to a single-connection mode based on a power consumption adjustment strategy; wherein the terminal supports the dual-connection mode; the terminal is configured to communicate with a first base station and to communicate with a second base station in the dual connection mode; the first base station is a primary base station, and the second base station is a secondary base station. |
US11812384B2 |
Transmitting wake-up signals for paging operations
A base station is configured to transmit wake-up signals to a user equipment to wake-up the UE to receive a page from the base station. The base station transmits one or more synchronization signals, wherein the synchronization signals correspond to a wake-up signal (WUS) that is to be transmitted to a user equipment (UE) operating in a paging discontinuous reception (DRX) cycle, wherein the paging DRX cycle includes a paging occasion (PO) and transmits the WUS to the UE during a WUS occasion, wherein the WUS indicates whether the UE is to utilize an active mode or a sleep mode during the PO. |
US11812382B2 |
System and method for efficient wakeup for beacon reception
According to an embodiment, a system and method is disclosed for efficient wake up in a wireless communication device for receiving beacons without significantly affecting the battery power and data throughput. Wireless device receives beacons from network elements such as access points. If beacons are not received as scheduled within defined intervals, then the wireless device determines a pattern of beacon reception timings and uses a weighted score process to select the best possible reception timing pattern and uses it as the schedule for receiving beacons on going forward basis, thus avoiding staying awake at all time to receive misaligned beacons. |
US11812380B2 |
Wireless communication method and device
Provided by the embodiments of the present application are a wireless communication method and device, which may reasonably determine whether a specific channel or signal needs to be detected. The method includes: detecting a first signal or channel sent by a network device; and determining whether to detect a second signal or channel according to a detection result of the first signal or channel and a configuration made by the network device regarding a relationship between the detection result of the first signal or channel and whether to detect the second signal or channel. |
US11812379B1 |
Device power management transitions in wireless networks
Techniques for improving the power management of devices are described. In an example, a device transitions into a power save mode. While in the power save mode, the device performs a number of operations. The operations include transitioning into an awake state and determining that the device has no data to transmit to a network access device. The operations also include determining a sequence number associated with data transmission to the network access device. The operations further include generating a frame that includes a header field and a payload field. The header field includes the sequence number and power management data. The power management data indicates a transition of the device to the awake state. Additionally, the operations include transmitting the frame to the network access device. |
US11812378B2 |
User management device, BNG, and BNG user internet access method and system
The application discloses an Internet access method. The method includes receiving a first Internet access packet reported by a first BNG, the first Internet access packet carrying user information and information of the first BNG, and receiving the user's second Internet access packet reported by a second BNG, wherein the second Internet access packet carries user information and information of the second BNG. The method also includes recording, according to the user information, information of the first BNG and information of the second BNG in a BNG list to which the user belongs, and selecting, according to a preset policy, the first BNG from the BNG list. The method also includes delivering the user's forwarding information to the first BNG; and sending a response packet to the user, where the response packet is used to instruct the user to access the Internet by using the first BNG. |
US11812377B2 |
Mobility enhancement with network slicing
Wireless communications systems and methods related to mobility with consideration for network slicing are provided. In one embodiment, a user equipment (UE) transmits in a first cell frequency of a network, a request for a network slice of the network that is not provided by the first cell frequency. The UE receives, in response to the request, an information for communicating in a second cell frequency of the network that provides the requested network slice. In one embodiment, a core network entity receives, from a network entity operating over a first cell frequency of a network, a request to provide a network slice of the network to a UE, the network slice not provided by the first cell frequency. The core network entity transmits, to the BS, information associated with a second cell frequency of the network providing the network slice. |
US11812376B2 |
Apparatus and method for QoS aware GTP-U transport in mobile networks
The embodiments in this invention extend distributed unit (DU), central unit (CU) and control plane of F1 (F1-C) capabilities so that differentiated DRBs of F1-U are placed on differentiated transport network components of equivalent QoS. This is achieved by a transport-aware DU and CU that can map each F1-U DRB into appropriate OSI layer 2-4 headers and can, subsequently, store such mappings. The F1-C interface is extended to distribute the layer 2-4 headers acquired from the transport network controller to the DUs and CU. A new control interface TN-C is defined between transport network controller and CU/DU. Furthermore, a trivial mapping of those embodiments is applicable for the N3 interface as well, which solves the same problem on the backhaul transport network. |
US11812374B2 |
Time-multiplexing of multiple listening schedules and physical layer modes in a mesh network
Various embodiments disclose a method that includes: attempting to detect, with a first transceiver associated with a first node, a network discovery signal, wherein the attempting is performed according to (a) a first listening schedule associated with a first physical layer mode and (b) a second listening schedule associated with a second physical layer mode; detecting, with the first transceiver, the network discovery signal during a slot associated with the first listening schedule; and in response to detecting the network discovery signal, establishing, with the first node, a connection between the first node and the second node using the first physical layer mode. |
US11812372B2 |
Fifth generation (5G) non-standalone (NSA) radio access system employing virtual fourth generation (4G) master connection to enable dual system data connectivity
Fifth generation (5G) non-standalone (NSA) radio access system employing virtual fourth generation (4G) master connection to enable dual system data connectivity. The 5G NSA radio access system employs a virtual 4G radio access node (RAN) to provide a logical master data connection to a user mobile communications device, and a 5G RAN to provide an additional, secondary high-speed data plane between the user mobile communications device to a core network. The virtual 4G RAN does not provide an actual 4G radio connection over-the-air to the user mobile communications device. Instead, the signaling transported between the user mobile communications device and the virtual 4G RAN is provided over a non-radio connection, such as an internet protocol (IP) connection. In this manner, the deployment of the 5G NSA radio access system employing the virtual 4G RAN can be achieved without updating existing 4G RANs and/or without deploying a new 4G RAN infrastructure. |
US11812370B2 |
Apparatuses, methods, computer programs, and computer program products for supporting mutually exclusive access to network slices
A method is provided. The method includes a User Equipment (UE) determining whether to request access to a Mutually Exclusive Access to Network Slices (MEANS) group from a CM-IDLE state or from a CM-CONNECTED state. |
US11812366B2 |
System and method of tracking a mobile device
Systems and methods for tracking mobile devices are provided. One system comprises at least one processor and memory storing code which when executed by the at least one processor configure the at least one processor to perform a method of tracking a mobile device. The method comprises receiving broadcasting an IMSI message, receiving an IMSI attach request message from a mobile device, and identifying the mobile device within a location area. |
US11812365B2 |
System and method therefor
One or more servers (11) communicate with one or more applications running on each of a plurality of wireless terminals (2) via a first or second cellular communication network (3, 4). Depending on a load of the first cellular communication network, the one more servers (11) select from the first and second cellular communication networks (3, 4) a cellular communication network to be used by each wireless terminal (2) to communicate with the one more servers (11). The one more servers (11) send to each wireless terminal (2) a control message to prompt each wireless terminal (2) to use the selected network. This for example makes it possible to select among a plurality of cellular communication networks in consideration of load status of the cellular communication networks. |
US11812364B2 |
Method and system for determining coverage access
Systems and methods are provided for managing coverage access for wireless devices. A method includes setting a retransmission rate threshold within a wireless network and monitoring a retransmission rate within the wireless network. The method further includes comparing the monitored retransmission rate to the retransmission rate threshold and restricting wireless device access to at least one selected area within the wireless network when the monitored retransmission rate meets the retransmission rate threshold. The area is selected based on signal performance parameters. |
US11812363B2 |
Methods and apparatus to redirect internet clients for media monitoring
Methods, apparatus, systems and articles of manufacture are disclosed to redirect internet clients for media monitoring. An example apparatus disclosed herein includes memory, instructions, and processor circuitry to execute the instructions to detect connections between client devices and a first WI-FI connection point, the client devices connected to the first WI-FI connection point via a second WI-FI connection point, when a first number of the connections is less than a second number of possible connections to the first WI-FI connection point, generate an additional connection to the first WI-FI connection point, the additional connection corresponding to at least one of the client devices, and route the client devices to the first WI-FI connection point via the first number of connections and the additional connection. |
US11812362B2 |
Containerized router with a disjoint data plane
In general, this disclosure describes techniques for a containerized router operating within a cloud native orchestration framework. In an example, a computing device comprises processing circuity; a containerized set of workloads; a containerized routing protocol process configured to execute on the processing circuitry and configured to receive routing information; a kernel network stack executing on the processing circuitry and configured to forward packets based on first routing information from the containerized routing protocol process; and a data plane development kit (DPDK)-based virtual router executing on processing circuitry and configured to forward traffic to and from the workloads based on second routing information from the containerized routing protocol process. |
US11812359B2 |
Intelligent network slicing and policy-based routing engine
One or more aspects of the present disclosure are directed to network optimization solutions provided as software agents (applications) executed on network nodes in a heterogenous multi-vendor environment to provide cross-layer network optimization and ensure availability of network resources to meet associated Quality of Experience (QoE) and Quality of Service (QoS). In one aspect, a network slicing engine is configured to receive at least one request from at least one network endpoint for access to the heterogeneous multi-vendor network for data transmission; receive information on state of operation of a plurality of communication links between the plurality of nodes; determine a set of data transmission routes for the request; assign a network slice for serving the request; determine, from the set of data transmission routes, an end-to-end route for the network slice; and send network traffic associated with the request using the network slice and over the end-to-end route. |
US11812358B2 |
Reception apparatus, reception method, transmission apparatus, and transmission method
There is provided a reception apparatus including a first acquisition unit which acquires, preceding text format second signaling data to be transmitted in a lower-level layer than an IP layer in a hierarchy of a protocol of an IP transmission system and containing control information independent of a service identified by an IP address, binary format first signaling data containing a flag indicating whether the second signaling data exists in digital broadcast using the IP transmission system, a second acquisition unit which acquires the second signaling data on the basis of the first signaling data, and a control unit which controls operation of the units which perform various types of processing on the basis of the second signaling data. The present technology can be applied to, for example, a television receiver. |
US11812357B2 |
Methods and systems for provisioning emergency numbers
There is provided a method and device for provisioning emergency number information on a user equipment. When a dialed number matches an emergency number from the provisioned emergency number information, the user equipment selects either the circuit switched domain or the packet switched domain and executes a call setup procedure for that domain. |
US11812355B2 |
Drone-based vehicle connectivity systems and methods
Drone-based vehicle connectivity systems and methods are disclosed herein. A method can include determining a loss of network connectivity by any of a vehicle and/or a drone associated with the vehicle, receiving an emergency message from the vehicle, launching the drone to navigate to a location where network connectivity exists, and transmitting the emergency message to a service provider when a connection to a network is established. |
US11812353B2 |
Network assisted emergency monitoring
A user equipment (UE) is associated with a cellular network, the UE and the cellular network are configured with a Discontinuous Reception (DRX) functionality, the DRX functionality including a cycle with a plurality of onDurations. The UE receives an indication of at least one parameter the cellular network is to utilize for the transmission of an emergency message, generates a monitoring schedule based on the indication of the at least one parameter, wherein the monitoring schedule does not include at least one of the plurality of onDurations and activates a mode of operation where the UE monitors for the emergency message based on the monitoring schedule. |
US11812347B2 |
Non-textual communication and user states management
A method and a system include receiving a first signal value generated by a biosignal sensor coupled to the first client device, receiving one or more second signal values corresponding to a respective sensor reading or environmental condition associated with the first client device, determining a total score based on a first score and one or more second scores determined based on the first and the one or more second signal values, selecting a first state of the plurality of states based on a ranking of total scores of the plurality of states, and causing a display of a first notification associated with a first user-selectable element corresponding to the first state on the first client device. |
US11812342B2 |
Cellular-based navigation method
A method for creating a correction function for improving the accuracy of a GPS device collects multiple time samples at multiple known locations wherein each time sample consists of GPS coordinates and associated satellite data from multiple satellites. The satellite data includes or permits determination of (i) satellite azimuth and elevation of an associated satellite, (ii) Signal-to-Noise Ratio of a received signal from the associated satellite, and optionally (iii) pseudo-range. For each time sample a respective error between the known location and the corresponding GPS coordinates is computed and an error correction function is created as a function of the respective GPS coordinates and the satellite data by applying deep learning/machine learning techniques to the multiple time samples. |
US11812341B2 |
Hyper-precise positioning and communications system and network
A hyper-precise positioning and communications (HPPC) system and network are provided. The HPPC system is a next-generation positioning technology that promises a low-cost, high-performance solution to the need for more sophisticated positioning technologies in increasingly cluttered environments. The HPPC system is a joint positioning-communications radio technology that simultaneously performs relative positioning and secure communications. Both of these tasks are performed with a single, co-use waveform, which efficiently utilizes limited resources and supports higher user densities. Aspects of this disclosure include an HPPC system for a network which includes an arbitrary number of network nodes (e.g., radio frequency (RF) devices communicating over a joint positions-communications waveform). As such, networking protocols and design of data link and physical layers are described herein. An exemplary embodiment extends the HPPC system for use with existing cellular networks, such as third generation partnership project (3GPP) long term evolution (LTE) and fifth generation (5G) networks. |
US11812337B2 |
Position determination
An apparatus including at least one processor; and at least one memory including computer program code which, when executed by the at least one processor, causes the apparatus to receive reference data usable for estimating a geographic position of the apparatus based on its distance from two or more base stations, and to receive updated reference data for at least one of the base stations and to determine an initial geographic position (UEinit) of the apparatus using the received reference data for a plurality of the base stations, including any updated reference data, and to establish a bidirectional communications link with at least one of the base stations. |
US11812335B2 |
Position service to determine relative position to map features
Systems, devices, media and methods are presented for retrieving a current location of client device, accessing geographic data based on the current location of the client device, analyzing the geographic data to identify a plurality of geographic features, for each geographic feature of the plurality of geographic features, identifying a direction from the current location of the client device to the respective geographic feature and a confidence level indicating a probability that the current location of the client device is at the direction, returning the direction and the confidence level to the client device, and based on the direction and confidence level, causing presentation of graphical data on a user interface within the client device. |
US11812333B2 |
Power efficient operation at significant locations
A device and method for a user equipment (UE) to implement power savings mechanisms when operating within a significant location. The UE identifies that the UE is at a significant location. The significant location is a location relative to a currently camped cell of a network. At a first time and at the significant location, the UE performs a type of operation related to the network connection. The UE stores information corresponding to the performance of the type of operation at the first time in a profile associated with the significant location. At a second time and at the significant location, the UE performs the type of operation related to the network connection. The performance of the type of operation at the second time is modified based on the information stored in the profile associated with the significant location. |
US11812331B2 |
Method and apparatus for map query and electronic device
A method for map query includes the following. A map query request and a current location of a terminal device are obtained. A map area to be displayed and a query object to be highlighted in the map area are obtained based on the map query request and the current location. A display icon corresponding to the query object is generated. A radar chart of the map area is drawn based on the current location, and the location where the query object is located is marked with the display icon. |
US11812327B2 |
Distributed muster for ocean-going vessels
Distributed muster includes distributing to different mobile devices an identity of an assigned muster location of an ocean-going vessel, and associating each mobile device both with a corresponding passenger of the ocean-going vessel, and also with the assigned muster location. Thereafter, a timer initiates that defines a period during which a muster drill must be completed by all of the passengers and, in response, a message is transmitted to each mobile device that the muster drill has commenced. During the period, as each mobile device is sensed within a geographically defined area of a correspondingly assigned muster location, a record of the completion of the muster drill by the passenger associated with the sensed mobile device is recorded in the memory. As well, subsequent to a lapsing of the timer, a listing is displayed of any passenger not recorded as having completed the muster drill. |
US11812326B2 |
Check-in determining device
A check-in determination apparatus 1 configured to determine check-in indicating that a terminal 2 has entered a geofence which is a prescribed geographic area includes: a related geofence information storage unit 12 configured to store related geofence information in which a related geofence which is another geofence is correlated with each geofence on the basis of a distance to the geofence; a check-in determination unit 14 configured to determine check-in of the terminal 2 sequentially with respect to each of the geofences. When it is determined that the terminal 2 has checked into one geofence, the check-in determination unit 14 excludes the related geofence correlated with the one geofence in the related geofence information stored by the related geofence information storage unit 12 from determination targets in subsequent determination. |
US11812322B2 |
Channel state information reference signal configuration for inter-cell mobility
Systems, methods, apparatuses, and computer program products for configuring Channel State Information-Reference Signal (CSI-RS) resources of neighboring cells for inter-cell mobility are provided. One method may include providing, by a network node, at least one reporting configuration to one or more user equipment. The reporting configuration is based on at least one of channel state information reference signals (CSI-RS) or synchronization signal/physical broadcast channel (SS/PBCH) blocks. The method may also include receiving at least one measurement report comprising measurement results when and as specified by the at least one reporting configuration. |
US11812317B2 |
Selective transmission and reception in centralized radio access network (C-RAN) employing beamforming
In one embodiment, a system comprises a distributed unit (DU) and a plurality of remote units (RUs). All of the RUs are used to serve the same cell. The system can be configured to wirelessly transmit at least some user data to a first user device using a first subset of the RUs and a first beam, where the first subset of the RUs includes less than all of the RUs otherwise used to serve the same cell. In such an embodiment, the system can be configured to determine which RUs are included in the first subset of RUs used to transmit said at least some user data to the first user device based on measurement reports made by the first user device of reference signal transmissions transmitted using multiple beams, where at least some of the reference signal transmissions are transmitted from less than all of the RUs. |
US11812309B2 |
Communications method, apparatus, and system
A communications method, apparatus, and system to implement handover between session management network elements, where a target session management network element sends a first message to a source session management network element based on the information about the source session management network element received. After receiving the first message from the target intermediate session management network element, the source session management network element indicates, based on the first message, a source intermediate user plane network element to establish a forwarding tunnel. As such, the forwarding tunnel between the source intermediate user plane network element and a target intermediate user plane network element is established, and the source intermediate user plane network element can forward data to the target intermediate user plane network element through the forwarding tunnel. |
US11812305B1 |
Dynamic control of uplink communication from a dual-connected device, based on antenna pattern efficiency per connection
A method and system for controlling uplink communication from a user equipment device (UE) that has at least two co-existing air-interface connections including a first air-interface connection with a first access node and a second air-interface connection with a second access node. An example method includes comparing a level of antenna pattern efficiency associated with the first air-interface connection with a level of antenna pattern efficiency associated with the second air-interface connection and, based at least on the comparing, configuring an uplink split ratio defining a distribution of uplink user-plane data flow of the UE between at least the first air-interface connection and the second air-interface connection. In an example implementation, this could involve configuring one of the air-interface connections as a primary uplink path to which the UE restricts its uplink communication unless and until a trigger occurs for transitioning the UE to operate in an split-uplink mode. |
US11812298B2 |
Apparatus and method for performing measurement report considering in-device coexistence interference
The present invention relates to an apparatus and a method for performing measurement reporting considering in-device coexistence interference. The present invention provide a user equipment transmitting a measurement report in a wireless communication system, comprising an interference detection unit, an assistant information generation unit, a measurement controller and a transmitter. According to the present invention, a measurement procedure can be clearly defined in an interference delicate band where in-device coexistence interference occurs and scheduling restrictions on an eNodeB due to measurement reporting about an interference delicate band can be reduced. |
US11812297B2 |
Radio communication system, radio station, radio terminal, network operation management apparatus, and communication quality confirmation method
The present invention is a radio communication system having quality measurement means configured to execute quality measurement related to a service quality in communication between a radio terminal and a radio station, and information collection means configured to collect information related to a location of the radio terminal to be a target for the quality measurement, the radio communication system comprising: means configured to associate the information related to the location of the radio terminal when a predetermined condition is satisfied in an execution period of the quality measurement with results of the quality measurement. |
US11812295B2 |
Beam refinement with simultaneous spatial-division multiplexed beams
Wireless communications systems and methods related to beam refinement with simultaneous spatial-division multiplexed beams are provided. A user equipment (UE) receives, from a base station (BS), a plurality of reference signals in a set of beam directions. The receiving includes receiving, simultaneously during a first symbol, at least a first reference signal of the plurality of reference signals in a first beam direction of the set of beam directions and a second reference signal of the plurality of reference signals in a second beam direction of the set of beam directions, where the second beam direction is different from the first beam direction. The UE transmits, to the BS, a beam report indicating received signal measurements for two or more beam directions of the set of beam directions. |
US11812293B2 |
Apparatus and method for managing measurement gap in wireless communication system
A method for operating a terminal in a wireless communication system is provided. The method includes at least one of transmitting data to and receiving data from a primary cell using a first Radio Frequency (RF) path, and, when a secondary cell is deactivated, operating a second RF path to perform searching and measurement with respect to at least one target cell at a frequency different from a frequency of the primary cell. |
US11812292B2 |
Wireless LAN communication quality estimation method, wireless LAN communication quality estimation system, information collection device, and wireless LAN communication quality estimation device
There are provided an information collecting device configured to collect a frame A transmitted and received between a wireless LAN base station that is an evaluation target and a wireless LAN terminal subordinate to the wireless LAN base station that is the evaluation target and a frame B transmitted and received between a wireless LAN base station that is a non-evaluation target and a wireless LAN terminal subordinate to the wireless LAN base station that is the non-evaluation target, and extract radio information on communication quality of each of the wireless LAN base stations from a header of a corresponding one of the frames A and B, and a wireless LAN communication quality estimation device configured to acquire, from the wireless LAN base station that is the evaluation target, information on the number of currently connected wireless LAN terminals, acquire, from the information collecting device, the radio information on the communication quality of each of the wireless LAN base stations, and analyze the information to estimate whether the communication quality of the wireless LAN base station that is the evaluation target is good or bad. |
US11812285B1 |
Artificial intelligence operations assisted data center monitoring and management adoption facilitator
A system, method, and computer-readable medium for performing a data center monitoring and management operation. The data center monitoring and management operation includes: monitoring a plurality of data center assets contained within a data center of a customer; identifying a plurality of data center issues based upon the monitoring; performing an artificial intelligence operations assisted data center monitoring and management operation, the artificial intelligence operations assisted data center monitoring and management operation automating at least one of identification and resolution of a particular data center issue; generating information regarding the at least one of identification and resolution of a particular data center issue; and, using the information regarding the at least one of identification and resolution of a particular data center issue to facilitate adoption of the artificial intelligence operations assisted data center monitoring and management operation by the customer. |
US11812283B2 |
Transmission device, receiving device, base station, terminal, and transmission method which improve interference estimation
A transmission device according to the present invention includes a reference-signal information management unit as an identifier to identify an interfering terminal that is a possible terminal to perform communication interfering with communication with a target terminal that is a destination terminal of a data signal, and a transmitter to set a group ID for reference signal generation to a group formed by the interfering terminal and the target terminal. |
US11812282B2 |
Collaborative computing and electronic records
Collaborative computing and electronic records are disclosed. An entity that may be able to help achieve an objective is discovered and a connection to the entity established. A meta-language is used to exchange with the entity a description of the objective and a description of the entity. The meta-language is used to negotiate with the entity a contract to help achieve the objective. In the event a contract to help achieve the objective is reached, performing a self-configuration in accordance with the contract. |
US11812279B2 |
Wireless base station installation position calculation method and wireless base station installation position calculation system
A method includes a step 1 of performing processing for determining wireless terminal stations that are inside cover areas of existing wireless base stations, and excluding the existing wireless base stations and the wireless terminal stations inside the cover areas from a wireless base station installation area, a step 2 of performing processing for optimizing, with respect to each first wireless terminal station that is outside the cover areas of the existing wireless base stations and has been left in the processing for excluding in the step 1, a combination of the first wireless terminal station and the closest additional wireless base station from which received power is the largest, and optimizing installation positions of additional wireless base stations, a step 3 of determining, with respect to the combinations of the additional wireless base stations and the first wireless terminal stations that were optimized in the step 2, whether wireless terminal stations are inside or outside cover areas of the additional wireless base stations, and performing processing for modifying an installation position of an additional wireless base station that accommodates a second wireless terminal station that is outside the cover area to increase the number of wireless terminal stations included in the cover areas. |
US11812272B1 |
Systems and methods for utilizing user identity notifications to protect against potential privacy attacks on mobile devices
The disclosed computer-implemented method for utilizing user identity notifications to protect against potential privacy attacks on mobile devices may include (i) monitoring a mobile computing device to detect one or more user interactions by a current user, (ii) identifying the current user of the mobile computing device, (iii) determining that the current user is a potentially malicious user associated with one or more privacy-invasive applications installed on the mobile computing device, and (iv) performing a security action that protects a benign user of the mobile computing device against an attack initiated by the potentially malicious user associated with the privacy-invasive applications. Various other methods, systems, and computer-readable media are also disclosed. |
US11812271B2 |
Methods, systems, and computer readable media for mitigating 5G roaming attacks for internet of things (IoT) devices based on expected user equipment (UE) behavior patterns
A method for mitigating a 5G roaming attack for an Internet of things (IoT) device based on expected user equipment (UE) behavior patterns includes receiving, at a network function (NF) including at least one processor, a service request message requesting a service from a home public land mobile network (PLMN) of a UE identified in the service request message, wherein the UE comprises an IoT device and obtaining, for the UE identified in service request message, at least one parameter provisioned in the home PLMN to indicate an expected UE behavior pattern. The method further includes comparing the at least one parameter provisioned in the home PLMN to indicate the expected UE behavior pattern to at least one parameter from the service request message and that the at least one parameter from the service request message is not indicative of the expected UE behavior pattern of the UE. The method further includes dropping or rejecting the service request message. |
US11812269B2 |
Asserting user, app, and device binding in an unmanaged mobile device
A request generated by an unmanaged app to access a resource is received from a mobile device. A notification is sent to the mobile device. A device level VPN connection to the mobile device is established. A unique identifier is associated with the device level VPN. App level traffic received via the device level VPN is tagged with the unique identifier. Access to the resource is allowed in response to the request based at least in part on a determination based on the tags that app level traffic from a trusted app and app level traffic from the unmanaged app are associated with the same mobile device. |
US11812268B2 |
Data integrity options for wireless management of modular subsystems
A communication circuit for communications between a controller and a subsystem with a monitored electrical component is described. The communication circuit includes network formation circuitry configured to establish a wireless network between a primary wireless node adapted to be coupled to the controller and a secondary wireless node coupled to the subsystem. The communication circuit also includes data transfer circuitry configured to perform data transfers between the primary wireless node and the secondary wireless node. The communication circuit further includes data integrity circuitry configured to: generate a hash for data received by the communication circuit; and verify the hash before the data transfer circuitry performs a data transfer of the data between the primary wireless node and the secondary wireless node. |
US11812264B2 |
Resource access method and apparatus
The present invention relates to the field of communication technologies, and particularly, to a resource access method and apparatus. In the solution, even if a client cannot directly communicate with an authorization server, the client can still initiate authorization verification to the authorization server by using a resource server. Then, the resource server returns a resource access response to the client when receiving an authorization response returned by the authorization server. |
US11812258B2 |
Systems and methods for programming, controlling and monitoring wireless networks
A system for programming, controlling and monitoring wireless networks enabling a wireless device (Dev) being utilized and integrated into car electronic control module or home (or business) alarm/security system. This system also presents a general control (robotic) device, which controls general input and output functions, where plurality of cellular handsets, internet devices can co-control, monitor, share and exchange information through the cellular, the internet networks and other wire/wireless network. |
US11812256B1 |
Parallel data provision
A system includes a client device including a processor, a telephony radio that supports telephony communications, and a data radio that supports data communications. The client device conducts, via the telephony radio, a call with a telephony service. Further the client device identifies a context of the call, identifies a subset of stored private data associated with the context of the call; and in parallel with the call, provides the subset of the stored private data, via a data radio, to a data service. |
US11812250B2 |
Playback device calibration
A first subwoofer may be configured to output multimedia content in synchrony with at least one other playback device and a second subwoofer. The first subwoofer may, based on a received indication of an acoustic characteristic of the at least one other playback device, determine a crossover frequency of (i) the first subwoofer and the second subwoofer and (ii) the at least one other playback device. After determining the crossover frequency, the first subwoofer may output a first tone set and a second tone set in synchrony with the second subwoofer and the at least one other playback device, and after outputting the first tone set and the second tone set, receive, from a controller device, an indication of a selected one of the first tone set or the second tone set. Based on the selected tone set, the first subwoofer may adjust a phase setting of the first subwoofer. |
US11812249B2 |
In line damper bellows dual opposing driver speaker
A speaker device comprising two membranes facing each other, and two drive units arranged for driving the two membranes in opposite direction in operation. A vented frame element and a closed frame element are positioned outward on either side of the two membranes. At least one bellows element is connected on a first side to the membrane which is positioned closest to the closed frame element, and connected on a second side to the closed frame element. |
US11812244B2 |
Wearable devices using shape memory polymers
A wearable device including a body having one or more embedded electronic components, the body further including a thermoset material having a polymeric backbone with at least one urethane linkage and a glass transition temperature. At a first temperature that is lower than the glass transition temperature, the body has an original shape. When the body is heated to a second temperature that is higher than the glass transition temperature, the body is deformable from the original shape to a first shape and when the body is cooled to a third temperature that is lower than the glass transition temperature, the first shape is maintained. The body is further configured to transition from the first shape to the original shape when the body is heated from the third temperature to a fourth temperature that is higher than the glass transition temperature. |
US11812239B2 |
Dynamic reduction of loudspeaker distortion based on psychoacoustic masking
A processor-based method of reducing loudspeaker-induced harmonic distortion in sound generated by a loudspeaker responsive to a first audio signal, the method including: attenuating a first band in the first audio signal by an attenuation gain, the first band including a fundamental frequency, wherein the attenuating dynamically adjusts the attenuation gain in accordance with, at least, a ratio between: i) an energy of the first band in the first audio signal; and ii) an energy of a second band in the first audio signal, the second band including one or more frequencies that is an integer multiple of the fundamental frequency. |
US11812236B2 |
Collaborative distributed microphone array for conferencing/remote education
A collaborative distributed microphone array is configured to perform or be used in sound quality operations. A distributed microphone array can be operated to provide sound quality operations including sound suppression operations and speech intelligibility operations for multiple users in the same environment. |
US11812233B2 |
Vehicle audio communication system
A communication system for vehicles allowing occupants of an interior cab of the vehicle to orally communicate with persons outside the vehicle while all windows and doors of the vehicle are closed. The system employs an internal communications component in operative communication with an exterior communications component to communicate voice communications to and from both the person outside the vehicle and the occupants of the sealed interior cab of the vehicle. |
US11812232B2 |
Electronic device and music visualization method thereof
An electronic device and a method for controlling the electronic device, the method including receiving an input of a command to reproduce music contents, determining audio characteristics information on the music contents and situation information on an environment where the music contents are being reproduced; and displaying a visualization effect of visualizing the music contents using the audio characteristics information and the situation information, and reproducing the music contents. |
US11812218B1 |
Concurrent audio and haptics from a single mechanical transducer
A system may include a vibrating surface, a single mechanical transducer mechanically coupled to the vibrating surface, a signal processing subsystem configured to receive an audio signal and a haptic signal, process the audio signal and the haptic signal to generate a combined audio-haptic signal, and drive the combined audio-haptic signal to the single mechanical transducer in order to generate concurrent audio playback and haptic effects on the vibrating surface; and a control subsystem configured to, responsive to a haptic stimulus, modify at least one parameter of at least one of the audio signal and the haptic signal to accommodate the concurrent audio playback and haptic effects on the vibrating surface within at least one operational limit of the system. |
US11812216B2 |
Method to reduce H-field coupling for E-noise and a kind of non-coaxial integrated earbuds
The present disclosure provides for an arrangement of components within a hearable device, such as earbuds, to reduce H field coupling for E noise improvement. A battery is positioned above a magnet and speaker, such that the battery is not coaxially aligned with either the magnet or the speaker. An internal positive tab of a battery is positioned farthest from a speaker yoke, while an internal negative tab of the battery is closer to the speaker yoke. Magnetic flux poles of a contact magnet have different contributions for electric field coupling. |
US11812213B2 |
Ear-wearable devices for control of other devices and related methods
Embodiments herein relate to ear-wearable devices that can be used to control other device and related methods. In a first aspect, an ear-wearable device is included having a control circuit, a wireless communications circuit, a microphone, and a motion sensor. The ear-wearable device is configured to receive an input from a wearer of the ear-wearable device, select a controllable device to be controlled based on factors including at least one of physical proximity between the ear-wearable device and the controllable device and a direction that the head of the wearer is pointing, and issue a control command to the controllable device. Other embodiments are also included herein. |
US11812211B2 |
Microphone suspension system
A microphone includes a housing. The microphone includes a windscreen coupled with the housing. The windscreen and the housing define a central volume. The microphone includes an audio module within the central volume. The audio module includes a receiver capsule, a carrier unit coupled with the receiver capsule, and a counterweight coupled with the carrier unit. The microphone includes a suspension element that is coupled with the housing and carrier unit to suspend the audio module within the central volume. The suspension element includes an inner body that contacts the carrier unit. The suspension element includes first and second flanges extending outward from the inner body. The first and second flange are fixedly coupled with the housing. A cross-section of the first and second flange includes an arched region that extends at least partially to an inner wall of the housing. The arched regions are oriented in opposite directions. |
US11812207B2 |
Method and system for remote monitoring of plants and in particular plants for the beverage production industry
Provided is a method for remote monitoring of a production plant and in particular a packaging plant, the plant has a plurality of working units as well as a data collection device, to which these working units are connected at least partially and/or at least intermittently for data transmission, wherein the data collection device collects relevant data for the working units and wherein a data transmission device transmits data from the data collection device to a data recording device, wherein at least one characteristic and in particular a type and/or a scope of the data to be transmitted can be determined by a user and in particular by a user of the data collection device. |
US11812205B2 |
Optical cross-connect device, optical transmission system, and optical transmission line connection error detection method
A monitoring control unit (22) of an OXC (20d) stores a management table (22a) in which pieces of information regarding a modulation mode, an FEC, and a frame mode of an optical signal are associated with each other, and sequentially changes the modulation mode, the FEC, and the frame mode according to the management table (22a) upon an LOS alert from a relay-side optical input/output unit (24) or an LOF alert from a DSP (25) being input thereto. Upon successfully receiving an appropriate optical signal according to the change, the monitoring control unit (22) acquires transmission source information included in the optical signal, and detects an occurrence of erroneous connection of an optical transmission line in an OXC (20g), which serves as a relay apparatus, when the acquired transmission source information indicates an optical cross-connect apparatus that is a transmission source different from an original transmission source. |
US11812202B2 |
Method and apparatus for remapping pixel locations
An apparatus and method for optically remapping projected pixels to maximize the utilization and to optimize the distribution of remapped projection pixels to achieve optimal visual performance (generally uniform resolution and luminance). A device interposed between a projector and an imaging surface for optically remapping projected pixel locations with minimal aberration. When this device is interposed between a projector and an imaging surface, it changes the terminal location of each focused pixel such that it maximally coincides with the imaging surface, which is often a surface of complex curvature and very different from the native focal surface of the projector. One implementation of the technology includes a device that uses multiple optical surfaces. |
US11812197B2 |
Information processing device, information processing method, and moving body
Provided is an information processing device that includes an acquisition unit that acquires an image captured by an imaging unit, a recognition unit that recognizes attributes of an object shown in the image captured by the imaging unit, and a generation unit that generates a bird's-eye view map showing the attributes of the object on the basis of the image captured by the imaging unit and information on the attributes of the object recognized by the recognition unit. |
US11812196B2 |
Construction site safety monitoring system based on computer vision
A construction site safety monitoring system based on computer vision is provided. It includes a data acquisition system for collecting video information of personnel and operation platforms on construction site in real time; an information processing system for detecting and distinguishing the personnel and the operation platforms in the video information, intercepting personnel feature images and video of tilted operation platform whose personnel facial temperature and inclination angles after calculation are greater than or equal to preset values as a personnel safety incident and a platform safety incident respectively; and a terminal reminder system for receiving information of at least one the personnel safety incident and the platform safety incidents and providing a reminder. It can more accurately capture feature information of personnel and operation platform, analyze and calculate the feature information, realize personnel temperature measurement and detect the safety of operation platform, and has a wider application range. |
US11812190B2 |
Interface access method, display apparatus and electronic device
An interface accessing method, a display apparatus, and an electronic device, which relates to the technical field of displaying. The method includes: by the on-screen display board card, when the on-screen display board card receives a viewing instruction of a microphone-volume interface, accessing the interface periodically according to a predetermined accessing mode, wherein the predetermined accessing mode includes, at each of periods, after each time of performance of a first preset time quantity of interface accessing operations to microphone-volume data, performing a second preset time quantity of interface accessing operations to video-channel-access-state data; and by the on-screen display board card, via the interface, reading alternately the microphone-volume data and the video-channel-access-state data from the field-programmable-gate-array board card. |
US11812185B2 |
Video conferencing system and method of removing interruption thereof
A video conferencing system and a method of removing an interruption thereof are provided. The method includes the following steps. A video conference is activated and a video stream is obtained through an image capturing device. A deep learning model is used to detect at least one first image object in a first video frame of the video stream. Whether the at least one first image object is an interruption object is determined. The at least one first image object is removed from the first video frame in response to the at least one first image object being determined to be the interruption object. |
US11812181B2 |
Video routing in an operating theater
An audiovisual controller for routing input/output imaging data in an operating theater is disclosed. The controller comprises an imaging data input port for receiving surgical imaging data from an imaging data capturing device and an imaging data output port for transmitting said surgical imaging data to an output monitor for displaying the surgical imaging data. The controller is configured for receiving orientation information regarding the orientation of the imaging data capturing device and the output monitor. The controller is configured for adjusting an orientation or position of the displayed surgical imaging data as function of the orientation information. |
US11812178B2 |
Photoelectric conversion apparatus, photoelectric conversion system, and moving object
A photoelectric conversion apparatus includes a pixel, an amplifier circuit, a voltage output circuit, and a setting circuit. The setting circuit sets the signal level of a predetermined signal used to acquire a correction value in accordance with an amplification factor set by an amplifier circuit. |
US11812164B2 |
Pixel-interpolation based image acquisition method, camera assembly, and mobile terminal
An image acquisition method includes: exposing a pixel array to obtain a first color original image and a second color original image, data of the first color original image being generated by at least one color photosensitive pixel in a sub-unit, and data of the second color original image being generated by at least one transparent photosensitive pixel and the at least one color photosensitive pixel in the sub-unit; performing interpolation on the first color original image to obtain first interpolated images of multiple color channels, and performing interpolation on the second color original image to obtain a second interpolated image of at least one color channel; fusing the second interpolated image with the first interpolated images to obtain fused images of the multiple color channels; and acquiring a target image according to the fused image of the multiple color channels. |
US11812163B2 |
Imaging device having a modulator that includes at least a first grating pattern and a second grating patern having a phase deviating from a phase of the first grating pattern
An imaging device includes a modulator, a first grating pattern constituted by a plurality of lines, and a second grating pattern having a phase deviating from a phase of the first grating pattern, and modulates light intensity. The imaging device receives a first image signal output by the first grating pattern and a second image signal output by the second grating pattern, calculates difference data and a range of a difference between the first image signal and the second image signal, generates and sets a data conversion parameter at a regular interval from the difference data that is continuously input on the basis of the range of the difference and the difference data, generates compression image data by using the difference data and the data conversion parameter, compresses the generated compression image data, and includes information indicating the range of the difference into the compressed data. |
US11812162B2 |
Distribution of video processing tasks
Distributing video processing tasks, including: detecting an event condition at the information handling system, and in response: identifying a video processing task associated with the event condition; identifying contextual information associated with contextual inputs to the information handling system; identifying a particular configuration rule based on i) the video processing task, ii) the contextual information, iii) the computing capabilities of the first video processing computing module, and iv) the computing capabilities of the second video processing computing module, wherein each of the plurality of configuration rules indicates a processing configuration of the first video processing computing module and the second video processing computing module; applying the particular configuration rule to the first video processing module and the second video processing module; offloading, based on the particular configuration rule, the video processing task by the second video processing computing module performing the video processing task at the external video computing device. |
US11812161B2 |
Flicker measuring device, flicker measuring method, and flicker measuring program
A flicker measuring device of the present invention: receives light emitted from an object to be measured and outputs a light reception signal corresponding to an amount of received light; acquires the output light reception signal a plurality of times from a measurement start time point to a steady time point at which the object to be measured is in a steady state, obtains a flicker value of the object to be measured for each of the plurality of times on the basis of the acquired light reception signal, and stores the flicker value obtained for each of the plurality of times in a storage in association with an acquisition time point of the light reception signal; and performs an arithmetic processing of obtaining a flicker shift time by using each flicker value stored, in which in the arithmetic processing, an amount of overall change is obtained that is an amount of change of the flicker value from the initial flicker value to the steady flicker value, a predetermined ratio time point is obtained at which an amount of change of the flicker value from the reference flicker value is a predetermined ratio of the amount of overall change, and an elapsed time between the predetermined ratio time point and the reference time point is obtained as the flicker shift time. |
US11812160B2 |
Fast video capture and sensor adjustment
Systems, methods, devices, media, and instructions are described for fast video sensor adjustment. In one embodiment, a portable electronic device with image capturing capabilities automatically captures a first plurality of frames upon selection of an input button while sensors of the device are determining camera settings for the environment. The first plurality of frames are captured using different automatic bracketing settings. Once the camera settings are determined, a second plurality of images are captured using the determined camera settings. One or more of the first plurality of images are used along with the second plurality of images for a video file. The one or more images may be selected based on a match between certain of the automatic bracketing settings and the final camera settings. |
US11812157B2 |
Image processing device and image processing program
In order to obtain an inspection image without blown-out highlights generated due to specular reflection or the like or blocked-up shadows generated at a position to which light hardly reaches, an image processing device includes a plurality of light sources that irradiates an object with light and a control circuit that controls light emission of the plurality of light sources, a camera that photographs the object, and a processor that controls switching of a light emission pattern of the plurality of light sources and controls photographing execution timing of the camera, controls the plurality of light sources to emit light with a plurality of light emission patterns, performs photographing at timings during at least two or more patterns among the plurality of light emission patterns to obtain a plurality of intermediate images, and generates one final image based on the plurality of obtained intermediate images. |
US11812141B2 |
Controller for in-vehicle camera
A control apparatus for a vehicle-mounted camera system equipped with a vehicle-mounted camera which captures an image of surroundings of a vehicle includes a margin-of-communication obtainer and a restriction determiner. The margin-of-communication obtainer works to determine a value of the margin of differential signaling between the vehicle-mounted camera and the control apparatus. When the value of the margin of differential signaling is lower than a restriction threshold value, the restriction determiner restricts at least one of a communication characteristic of the differential signaling, an application using the captured image, a frame rate in the vehicle-mounted camera, and an image-capturing area. This achieves the control apparatus for the vehicle-mounted camera system which is high in robustness in the differential signaling. |
US11812138B2 |
Automated guide for image capturing for 3D model creation
An image capture system provides automated prompts for aiding a user in capturing images for use in 3D model creation. While a user is preparing to capture an image, the system provides visual indications that indicate whether a quality-based condition is satisfied. Based on the visual indications, a user can determine whether an image, if captured, would likely be suitable for use in creating a 3D model. Determining if the quality-based condition is satisfied may include monitoring output generated by one or more sensors and comparing the output against a threshold value. Additionally, the system may analyze the visual content or metadata associated with an image to determine if the quality-based condition is satisfied and request user input to further identify certain image features that were identified by the system. |
US11812136B2 |
Trimming video within a messaging system
Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing a program and method for trimming video. The program and method provide for providing a capture user interface for capturing a video to generate a media content item; displaying a preview user interface for previewing and editing the captured video to generate the media content item, the preview user interface including an interface element for selecting to trim the captured video or to set a playback option for the media content item; receiving, via the interface element, user input selecting to trim the captured video; and displaying a preview bar within the preview user interface, the preview bar including a set of frames of the captured video and front and back handles respectively positioned in front and in back of the set of frames, each of the front and back handles being selectable to trim video. |
US11812127B2 |
Monitor with integrated camera to achieve optimized vertical dimension
A system and method are disclosed for providing a display device with a self-tilting retractable camera mechanism. The retractable camera mechanism includes a display device mounting portion, the display device mounting portion being configured to mechanically attach to a display device; and, a retractable camera mounting portion, the retractable camera mounting portion including a self-tilting mechanism, the self-tilting mechanism causing the retractable camera mounting portion to automatically tilt when the retractable camera mounting portion is in an extended position relative to the display device. |
US11812126B2 |
Eye cartridge
A detachable mechanical eye cartridge includes a plurality of links, a plurality of couplers, a plurality of electronic connection points, and at least one mechanical eye that can be rotatably actuated in at least two rotational degrees of freedom. The detachable mechanical eye cartridge may include actuators for actuating the eye, eyelid structures, an actuator for actuating the eyelid structures, and imaging sensors within the mechanical eye. The detachable mechanical eye cartridge may include one or two mechanical eyes and related structures and may include a set of magnetic couplers that couple to magnets on a robotic head frame to which the detachable mechanical eye cartridge may couple. The detachable mechanical eye cartridge may also have a set of mechanically coupled linkages for controlling the pitch of each mechanical eye with minimal backlash. |
US11812125B2 |
Anti-reflective camera housing system
Embodiments of the present disclosure relate to an amusement park attraction installation including a camera disposed on a side of a window, where the camera includes a lens and is configured to capture image data indicative of movement of a guest on an opposite side of the window. The amusement park attraction installation also includes a light source positioned on the side of the window and a camera housing disposed at least partially about the camera, where the camera housing has an inner volume and an opening surrounded by an edge of the camera housing, the lens is disposed within the inner volume, and the edge of the camera housing is in abutment with a surface of the window. |
US11812121B2 |
Automated post-production editing for user-generated multimedia contents
Methods, apparatus and systems related to packaging a multimedia content for distribution are described. In one example aspect, a method for performing post-production editing includes receiving one or more footages of an event from at least one user. The method includes constructing, based on information about the event, a script to indicate a structure of multiple temporal units of the one or more footages, and extracting semantic meaning from the one or more footages based on a multimodal analysis comprising at least an audio analysis and a video analysis. The method also includes adding editing instructions to the script based on the structure of the multiple temporal units and the semantic meaning extracted from the one or more footages and performing editing operations based on the editing instructions to generate an edited multimedia content based on the one or more footages. |
US11812117B2 |
Reconciliation of commercial measurement ratings
An example apparatus includes an advertisement determiner to identify a first plurality of respondents that received an addressable advertisement and a second plurality of respondents that received a linear advertisement based on combined program tuning data and reference advertisement data; a calculator to calculate a first average commercial minute rating for the addressable advertisement based on first duration weighted impressions associated with the first plurality of respondents and a second average commercial minute rating for the linear advertisement based on second duration weighted impressions associated with the second plurality of respondents; and a communication interface to transmit the first average commercial minute rating and the second average commercial minute rating for crediting the addressable advertisement and the linear advertisement with audience viewership metrics. |
US11812114B2 |
Method and server for audio and/or video content delivery
For delivering an audio and/or video content using adaptive streaming from a cache server to a client device, the audio and/or video content being segmented into data segments available in various representations with respective audio and/or video qualities, the representations being time-aligned per segment, the segments being further divided into chunks, a method includes: obtaining a round-trip time value applicable between the cache server and the client device; computing a minimum bulk transfer size from the maximum average bitrate of the various representations of the audio and/or video content and from the obtained round-trip time value; computing a minimum bulk duration, with respect to the audio and/or video content, for the representation to be delivered to the client device; and delivering the audio and/or video content by burst transfers in the form of bulks of aggregated successive chunks for each segment in accordance with the computed minimum bulk duration. |
US11812109B2 |
Portable terminal device, television receiver, and incoming call notification method
There is provided a portable terminal device 2 that notifies a television receiver 1 of a received phone call or mail. The portable terminal device 2 includes a communication unit 210 that receives a phone call or mail and communicates with the television receiver, a notification execution unit 203c that performs control in a case where information of the phone call or the mail received by the communication unit is notified to the television receiver, and a posture detection execution unit 203e that detects a posture of the portable terminal device. In a case where the communication unit receives a phone call or mail, the notification execution unit changes content of the information of the received phone call or mail according to a detection result of the posture detection execution unit and notifies the television receiver of the changed content. |
US11812105B2 |
System and method for collecting data to assess effectiveness of displayed content
A system and method for rapidly and scalably tracking attentiveness. The system includes means for collecting relevant data streams from a plurality of client devices while consumers view content, means for analysing the collected data with an AI-driven module that outputs one or more attentiveness metrics indicative of real attention, and means for synchronising the collected data with the attentiveness metrics. The system provides the ability to synchronise attentiveness metrics with other data streams to make accessible the reasons that drive attention. A digital advertising campaign can be optimised using an effectiveness data set that expresses evolution over time of an attentiveness parameter. An effect on the attentiveness parameter caused by an adjustment to a target audience can be predicted and evaluated against a campaign objective, which can be updated for predictions that yield a positive effect. |
US11812102B2 |
Generation of media station previews using a reference database
In one aspect, an example method includes (i) while a media playback device of a vehicle is playing back content received on a first channel, sending, by the media playback device to a server, a preview request, the preview request identifying a second channel that is different from the first channel; (ii) receiving, by the media playback device from the server, a response to the preview request, the response including identifying information corresponding to content being provided on the second channel; and (iii) while the media playback device is playing back the content received on the first channel, providing, by the media playback device for display, at least a portion of the identifying information corresponding to content being provided on the second channel. |
US11812092B2 |
Display apparatus and control method thereof
A display apparatus capable of correcting an image quality change caused by long-term use is provided. The display apparatus includes: a display panel; a communicator configured to communicate with a service apparatus; and a controller configured to control the communicator to transmit operation information including a total operating time of the display apparatus and an operating temperature of the display apparatus, to the service apparatus; receive an image parameter from the service apparatus through the communicator, and based on the received image parameter data; process image data; and transmit the processed image to the display panel. The image parameter may include at least one of a brightness level, a contrast, a sharpness level, and a color density of the display panel. |
US11812086B2 |
Video data obtaining method and apparatus, electronic device, and storage medium
A video data obtaining method comprises: deploying at least two simulators, each of the at least two simulators being used to simulate operation of one mobile terminal; sending video access requests to a server respectively by means of the at least two simulators; and respectively receiving, by means of the at least two simulators, video data returned by the server according to the corresponding video access requests. During the respectively receiving, by means of the at least two simulators, video data returned by the server according to the corresponding video access requests, the obtaining method further comprises: intercepting the video data returned by the server according to the corresponding video access requests, and storing the intercepted video data in a set database. |
US11812079B2 |
Systems and methods for content distribution
Systems and methods are disclosed herein for distributing content over a local area network (LAN) between a first device within the LAN and a second device within the LAN. A first device multicasts a LAN-specific content beacon over the LAN. The LAN-specific content beacon includes an identifier uniquely identifying the first device. A second device sends a response to the LAN-specific content beacon requesting secondary content to be integrated into a display of the second device. The first device generates the secondary content based on profile information associated with the second device and unicasts the secondary content to the second device for integration into primary content being generated for display at the second device. |
US11812078B2 |
Joint recommendation and cache optimization method based on collaboration of multiple base stations
Disclosed is a joint recommendation and cache optimization method based on a collaboration of multiple base stations, each base station in a target area randomly caching contents stored to the cloud, when each base station in the target area receives a to-be-responded content request, constructing the recommendation optimization sub-model, the access optimization sub-model and the cache optimization sub-model, then constructing and solving the optimization problem to obtain the target base station, optimal cached contents and the recommendation list that correspond to the to-be-responded content request. Through the technical solution of the present application, the total time delay of the system is minimized, and by jointly optimizing the recommendation decision, access decision and cache decision, the delay can be significantly reduced with a lower cache capacity, and more efficient for users, good experience. |
US11812076B2 |
Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
The present invention provides an apparatus of transmitting broadcast signals, the apparatus including, an encoder for encoding service data, a frame builder for building at least one signal frame by mapping the encoded service data, a modulator for modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and a transmitter for transmitting the broadcast signals having the modulated data. |
US11812073B2 |
Identifying media on a mobile device
Disclosed is a method of associating, at a secondary device, secondary media content with primary media content being output at a primary device. The method includes receiving, at the secondary device, first information based upon the primary content being output at the primary device, wherein the first information includes at least one of an audio and a visual signal, determining at the secondary device second information corresponding to the first information, receiving at the secondary device one or more portions of secondary media content that have been made available by a third device, determining at the secondary device whether one or more of the portions of the secondary media content match one or more portions of the second information, and taking at least one further action upon determining that there is a match. |
US11812071B2 |
Program, recording medium, and reproducing apparatus
The problem to be solved is to make it possible to download via a network, efficiently manage, retrieve, and reproduce an external content associated with a content recorded on a recording medium. To solve the problem, a program is used which controls reproduction of information located on a recording medium and related information. The program includes the steps of: obtaining from the outside specific information associated with predetermined information recorded on a recording medium; and obtaining medium identification information located on a recording medium; wherein if the specific information has been obtained, a storage unit in a reproducing apparatus is controlled to associate the specific information with the medium identification information for storage. |
US11812070B2 |
Event production and distribution networks, systems, apparatuses, and methods related thereto
Live event production and distribution networks, systems, apparatuses and methods related thereto are described herein. The described innovations may be used not only to present live events to audiences, but to do so in a way that provides audience energy and feedback to the performer(s) (e.g., a band) in a manner akin to that which they receive during a traditional live performance, thereby energizing and motivating the performers to give the best live performance they can, even in the absence of a co-located live audience. Some or all of the audience members may be represented by a visual surrogate displayed on an audience feedback screen set up to be viewable by the performers. The screen may be sized to fill a curtain window of stage on which the performers are performing, and the performers may optionally interact with one or more people in the audience during the live performance. |
US11812068B2 |
Set-top box with interactive portal and system and method for use of same
A set-top box with an interactive portal and system and method for use of the same are disclosed. In one embodiment of the set-top box, the set-top box is deployed to provide an interactive portal in a hospitality establishment having multiple rooms, such as a hotel. The set-top box is associated with a room and includes a housing that secures a television input, a television output, a processor, a transceiver, and memory therein in an interconnected bus architecture. The set-top box generates a default interactive portal as well as a guest-specific interactive portal, which is generated from a guest configuration profile having information including guest identification, a guest channel preference presentation, and a guest service preference presentation with guest account information. The guest configuration profile may also enable the creation of a local area wireless network with substantially the same behavior as the guest's home wireless network. |
US11812067B2 |
Slice and tile partitioning in video coding
A method includes performing a conversion between a video that includes at least a video tile and a bitstream of the video according to a rule. The rule specifies that a height of a slice in the video tile in units of coding tree units is derived based on a value of a first syntax element in the bitstream indicating a number of explicitly provided slice heights for slices in the video tile that includes the slice. |
US11812065B2 |
Method and apparatus for filtering
Aspects of the disclosure provide methods and apparatuses for video encoding/decoding. In some examples, an apparatus for video decoding includes processing circuitry. For example, the processing circuitry generates first reconstructed samples of a block, and applies a filter to multiple color components of the first reconstructed samples of the block to determine offsets to be applied to one or more color components. Then, the processing circuitry generates second reconstructed samples of the block based on the offsets for the one or more color components and the first reconstructed samples of the block. |
US11812064B2 |
Entropy coding for palette escape symbol
Methods, systems, and devices for performing entropy coding for a palette escape symbol in palette mode coding and decoding are described. An example method for video processing includes performing a conversion between a video having one or more video regions including a current video block and a bitstream representation of the video, wherein the bitstream representation conforms to a format rule that the current video block is coded using a palette mode coding tool, wherein a binarization of an escape symbol for the current video block uses an exponential-Golomb (EG) code of order K, wherein K is a non-negative integer that is unequal to three, and wherein the palette mode coding tool represents the current video block using a palette of representative color values and wherein the escape symbol is used for a sample of the current video block coded without using the representative color values. |
US11812063B2 |
Video coding using parameter sets
A video processing method includes performing a conversion between a video comprising one or more pictures and a bitstream of the video according to a format rule. The format rule specifies that, in response to satisfying one or more conditions, a syntax element indicating whether a first syntax structure providing a profile, a tier and a level information and a second syntax structure providing decoded picture buffer information are present in a sequence parameter set is set to be equal to 1 to indicate that the first syntax structure and the second syntax structure are present in the sequence parameter set. |
US11812062B2 |
Syntax for signaling video subpictures
Methods, devices and systems for signaling the use of subpictures in coded video pictures are described. One example method of video processing includes performing a conversion between a video and a bitstream of a video, wherein the bitstream conforms to a format rule, wherein the format rule specifies that a first syntax element signaled in a sequence parameter set (SPS) of the bitstream is indicative of a length of identifiers of subpictures in the SPS, and wherein the signaling of the first syntax element is independent of a value of a second syntax element that is indicative of explicit signaling of the identifiers of the subpictures in the SPS or a picture parameter set (PPS). |
US11812060B2 |
Method and device for deblocking filtering a boundary within an intra predicted block
A decoding method is disclosed that comprises: —decoding (S120) a block of a picture, said block being intra predicted from a plurality of reference blocks; —determining (S130) a frontier inside the decoded block based on a frontier existing between said plurality of reference blocks; and —filtering (S140) with a de-artifacting filter along the frontier determined inside the decoded block. |
US11812059B2 |
Image coding method based on transform, and device therefor
An image decoding method according to the present document comprises a step of deriving modified transform coefficients, wherein the step of deriving the modified transform coefficients comprises a step of setting an LFNST apply variable about whether to apply an LFNST on the basis of the tree type of the current block, a transform coefficient coding flag for each component of the current block, or a transform skip flag for each component of the current block, and can comprise a step of parsing an LFNST index on the basis of the value of the LFNST apply variable. |
US11812057B2 |
Intra prediction method and device, and computer storage medium
An intra prediction method and device and a computer storage medium are provided. The intra prediction method includes that: a width-to-height radio of a present coding block and a width-to-height radio of a reference block are acquired, the reference block being a coding block correlated with the present coding block (S101); when the width-to-height radio of the present coding block is different from the width-to-height radio of the reference block, an angular replacement prediction mode corresponding to the reference block is adjusted to obtain a adjusted angular replacement prediction mode, the angular replacement prediction mode being an extended angular prediction mode under a wide-angle mode (S102); and a prediction mode list of the present coding block is constructed based on the adjusted angular replacement prediction mode for intra prediction of the present coding block (S103). |
US11812056B2 |
Method and device for transmitting image information, and decoding method and device using same
An image decoding method according to the present invention comprises the steps of: acquiring information to form a reference picture set of a current picture by entropy decoding the received bitstream information; and performing prediction on a prediction block inside the current picture by using a reference picture list which is formed based on the reference picture set. |
US11812041B2 |
Fast motion estimation for hierarchical coding structures
A method for motion estimation is provided that includes determining a first motion vector for a first child coding unit (CU) of a parent CU and a second motion vector for a second child CU of the parent CU, wherein the first child CU, the second child CU, and the parent CU are in a CU hierarchy, wherein the first and second child CUs are smallest size CUs in the CU hierarchy, and wherein a first motion search type is used to determine the first motion vector and the second motion vector, selecting the first and second motion vectors as candidate predictors for the parent CU, selecting a predictor for a prediction unit (PU) of the first parent CU from the candidate predictors, and refining the predictor using a second motion search type to determine a motion vector for the PU. |
US11812038B2 |
Method for scanning transform coefficient and device therefor
Provided is a transform coefficient scan method including: determining a reference transform block for a decoding target block; deriving a scanning map of the decoding target block using scanning information of the reference transform block; and performing inverse scanning on a transform coefficient of the decoding target block using the derived scanning map. According to the present invention, picture encoding/decoding efficiency may be improved. |
US11812037B2 |
Method and apparatus for video coding
In a method for video decoding, coded information of a current block is received. Dimension information and partition information of the current block is determined based on the coded information, where the dimension information indicates at least one of a height, a width, and a size of the current block, and the partition information indicates a binary tree depth of a coding unit partition of the current block. A partition mode of the current block is determined as one of an intra sub-partition mode and a coding unit partition based on (i) comparisons between values of the height, the width, and the size of the current block and respective threshold values, or (i) a ratio between the value of the height and the value of the width of the current block. The current block is decoded based on the determined partition mode of the current block. |
US11812036B2 |
Method for image transmitting, transmitting device and receiving device
In a method for image transmitting executed in a transmitting device, three data transmitting channels are established, the three data transmitting channels are a first channel, a second channel and a third channel. An image of a video is obtained, and the image is divided into a region of interest and a background region. A first data of the region of interest and a second data of the background region are obtained, and the first data is encoded through fountain coding to obtain a third data. The first data, the second data, and the third data are respectively transmitted through the first channel, the second channel, and the third channel to a receiving device. A network condition is received, and whether the network condition matches a preset condition is determined. When the network condition matches the preset condition, the first data is compensated according to a first preset algorithm. |
US11812035B2 |
Method for alignment across layers in coded video stream
A method, computer program, and computer system is provided for aligning across layers in a coded video stream. A video bitstream having multiple layers is decoded. One or more subpicture regions are identified from among the multiple layers of the decoded video bitstream, the subpicture regions including a background region and one or more foreground subpicture regions. An enhanced subpicture is decoded and displayed based on a determination that a foreground subpicture region is selected. The background region is decoded and displayed based on a determination that a foreground subpicture region was not selected. |
US11812034B2 |
Method and apparatus for sample adaptive offset parameter estimation for image and video coding
A method and apparatus for decoding video. The method includes determining a sample adaptive offset edge type of at least a portion of the image, determining a boundary edge type of the at least a portion of the image, modifying the sample adaptive offset edge type of the at least a portion of the image according to the determined edge type of the at least a portion of the image, selecting a sample adaptive offset type according to at least one of the determined sample adaptive offset edge type or the modified sample adaptive offset edge type, and filtering at least a portion of the image utilizing the selected filter type. |
US11812026B2 |
Single-line cross component linear model prediction mode
Devices, systems and methods for digital video coding, which includes cross-component prediction, are described. In a representative aspect, a method for video coding includes receiving a bitstream representation of a current block of video data comprising a luma component and a chroma component, determining parameters of a linear model based on a first set of samples that are generated by down-sampling a second set of samples of the luma component, and processing, based on the parameters of the linear model, the bitstream representation to generate the current block. |
US11812016B2 |
Method and apparatus for processing video signal
A method for decoding a video according to the present invention may comprise: determining merge target candidate blocks of a current coding block, specifying at least one among the merge target candidate blocks, and generating a merged block by merging the specified merge target candidate block and the current coding block. |
US11812012B2 |
Adaptive image encoding device and method
Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters. |
US11812010B2 |
Plant feature detection using captured images
Described are methods for identifying the in-field positions of plant features on a plant by plant basis. These positions are determined based on images captured as a vehicle (e.g., tractor, sprayer, etc.) including one or more cameras travels through the field along a row of crops. The in-field positions of the plant features are useful for a variety of purposes including, for example, generating three-dimensional data models of plants growing in the field, assessing plant growth and phenotypic features, determining what kinds of treatments to apply including both where to apply the treatments and how much, determining whether to remove weeds or other undesirable plants, and so on. |
US11812007B2 |
Disparity map building using guide node
An apparatus including an interface and a processor. The interface may be configured to receive pixel data. The processor may be configured to generate a reference image and a target image from the pixel data, perform disparity operations on the reference image and the target image and build a disparity map in response to the disparity operations. The disparity operations may comprise selecting a guide node from the pixel data comprising a pixel and a plurality of surrounding pixels, determining a peak location for the pixel by performing a full range search, calculating a shift offset peak location for each of the surrounding pixels by performing block matching operations in a local range near the peak location and generating values in a disparity map for the pixel data in response to the peak location for the pixel and the shift offset peak location for each of the surrounding pixels. |
US11812002B2 |
Method and device for correcting a scanned image and image scanning system
The present disclosure provides a method and device for correcting a scanned image, and an image scanning system, and relates to the field of image scanning. The method includes obtaining a scanned image of a scanned object, detecting one or more reference objects from the scanned image, determining a deformation parameter of each reference object of the one or more reference objects based on preset a standard parameter of the each reference object, and correcting the scanned image based on the deformation parameters of the one or more reference objects. |
US11811998B2 |
Image reading apparatus and image forming apparatus having a rectangular mirror and a casing for the mirror and an image sensor, wherein opposite ends of the mirror are bonded to the casing with adhesives that differ from each other in hardness
An image reading apparatus includes an original illuminator; a reflector for reflecting light reflected by the original; a reading portion for reading the light reflected by the reflector; a holding member holding the reflection member; a first bonding portion connecting the holding member and one end portion of the reflector in a direction along a reflecting surface of the reflection member; and a second bonding portion connecting the holding member and the other end portion of the reflector in the direction along the reflecting surface of the reflection member. The second bonding portion has a hardness less than that of the first bonding portion. |
US11811996B2 |
Information processing system, terminal device, and non-transitory computer readable medium
An information processing system includes: a first processor including an information processing device configured to, when connecting to an external device through wireless communication based on a first wireless communication method, which is a short-range wireless communication method, transmit connection information for connecting to the information processing device through wireless communication based on a second wireless communication method different from the first wireless communication method to the connected external device; and a second processor including a terminal device configured to acquire the connection information by connecting to the information processing device through the wireless communication based on the first wireless communication method, and connect to the information processing device through the wireless communication based on the second wireless communication method in accordance with the acquired connection information and transmit authentication information for the information processing device to perform authentication processing. |
US11811991B2 |
Apparatus, method for controlling the apparatus, and storage medium
In a case where a skew of a document being conveyed is detected by a detection unit, an image reading apparatus notifies that documents having different sheet widths may be included in documents stacked on a stacking unit. |
US11811985B2 |
Information processing apparatus, information processing method, and information processing system
According to an embodiment, an information processing apparatus includes one or more processors. The one or more processors display a relation display screen including text box images each indicating one of a plurality of text ranges included in a document and a relation image indicating a relation between the plurality of text ranges. |
US11811983B2 |
Methods and system for imaging of moving printed materials by an optical device having plurality of cameras arranged in an array
A system for capturing images during production of printed material includes an optical device comprising a plurality of cameras arranged in an array with adjacent pairs of cameras having overlapping fields of view. An imaging controller device determines a layout of content on printed material, and determines, based on the layout, an optical system configuration profile. Determining the optical system configuration profile includes selecting one or more cameras for capturing images of regions of interest on the printed material and determining a trigger interval for triggering the selected one or more cameras. The imaging controller device triggers the selected cameras at times determined based on the trigger interval to capture images of the regions of interest on the printed material as the printed material moves in fields of view of the one or more cameras during production of the printed material. |
US11811981B2 |
Scanner configured to transmit scan data to destination associated to shortcut key, scanning system, and non-transitory computer-readable recording medium containing computer-executable instructions for scanner
An MFP includes a controller. When a short cut key is operated, the controller is configured to execute a scan process to transmit scan data to a destination associated with the short cut key. The controller determines whether the shortcut key associated with user ID is disabled in management information when information about a destination including the user ID is deleted. When determining that the shortcut key is not disabled, the controller disables the shortcut key. |
US11811980B2 |
Electronic apparatus that communicates with a network and transmits an image, method for controlling the electronic apparatus, and recording medium
An electronic apparatus capable of communicating with an image processing server, the electronic apparatus including transmitting means for transmitting, to the image processing server, an image and information indicating an image processing parameter to be used when the image processing server performs image processing on the image, and controlling means for controlling display of a guidance indicating that an image obtained by applying the image processing by the image processing server to the image is to be checked on another apparatus from the electronic apparatus. |
US11811976B2 |
Information processing system to obtain and manage images of a property
An information processing apparatus for processing an image includes circuitry unit and a communication interface. The circuitry acquires identification information to identify a set of one or more objects to be imaged by an imaging device according to a predetermined imaging sequence. The communication interface transmits at least one image of the set of one or more objects that is captured by the imaging device in association with the identification information, to a management device. |
US11811974B2 |
Light source device, projector, and cooling plate
A light source device includes a light source module, a plurality of heat receiving plates coupled to the light source module, and a cooling plate coupled to the plurality of heat receiving plates, cooling liquid flowing on the inside of the cooling plate. The cooling plate includes an upstream-side flowing section, a downstream-side flowing section, and a plurality of heat transfer sections provided in at least one of the upstream-side flowing section and the downstream-side flowing section and aligned in a second direction. The plurality of heat transfer sections include a plurality of fins extending in the second direction and a plurality of channels provided among the plurality of fins. The plurality of heat receiving plates are disposed along the second direction. The plurality of heat transfer sections are separated from one another in positions among the plurality of heat receiving plates in the second direction. |
US11811969B2 |
Automatic navigation of an interactive voice response (IVR) tree on behalf of human user(s)
Implementations are directed to utilizing an assistant to automatically navigate an interactive voice response (IVR) tree to arrive at a target state during an assisted telephone call. The assistant can receive input to initiate the assisted telephone call, identify an entity to engage with, on behalf of the user, and during the assisted telephone call, based on the input, and identify an IVR tree stored in association with the entity. In various implementations, navigation of the IVR tree can be modified based on interaction(s) detected at a client device subsequent to initiating the assisted telephone call. In various implementations, the assisted telephone call can be initiated from a search interface, and the target state can be associated with a given search result. In various implementations, the IVR tree can be dynamic in that only a subset of candidate state(s) of the IVR tree may be available as the target state. |
US11811966B2 |
IP-enabled information delivery
A method, system, and computer readable medium comprising instructions for providing Internet protocol enabled information delivery are provided. Information from a calling party is received at an Internet protocol enabled device. A lookup of information relating to the calling party is performed in a database via an Internet protocol connection. A message is received from the database comprising information relating to the calling party. |
US11811961B2 |
Dual-display electronic device operation during incoming call
An electronic device operation method and an electronic device, where the electronic device includes a first touchscreen and a second touchscreen, the first touchscreen and an earpiece are located on a first surface of the electronic device, the second touchscreen is located on a second surface of the electronic device, and the first surface is different from the second surface. The method includes displaying, by the electronic device, a first screen on the second touchscreen in response to receiving an incoming call, and displaying prompt information on the second touchscreen, where the prompt information prompts a user to answer the incoming call by using the earpiece on the first screen. |
US11811960B2 |
Method for testing a portable electronic device
A method for testing a portable electronic device. The method comprises the following steps: acquiring at least one set of parameters; storing the at least one set of parameters in a first area of a storage unit of the portable electronic device; storing the at least one set of parameters in a second area of the storage unit; generating at least a first image by means of a first processing operation; in a first displaying step, displaying the at least one first image for a predetermined time period; in a first erasing step, erasing first intermediate results corresponding to calculation steps carried out during the first processing operation; generating at least one second image by means of a second processing operation; and in a second displaying step, displaying the at least one second image for a predetermined time period. |
US11811950B1 |
Dynamic response signing capability in a distributed system
A system that provides responses to requests obtains a key that is used to digitally sign the request. The key is derived from information that is shared with a requestor to which the response is sent. The requestor derives, using the shared information, derives a key usable to verify the digital signature of the response, thereby enabling the requestor to operate in accordance with whether the digital signature of the response matches the response. |
US11811948B2 |
Flexible security enclave for protecting data at rest and in motion
Disclosed are methods, devices, and computer-readable media for securing data in motion and at rest in a secure memory device. In one embodiment, a memory device is disclosed comprising a storage medium and a processor, the processor configured to: receive a software image, validate a digital signature associated with the software image, write the software image to the storage medium, receive a request to launch the software image from a host processor, validate the software image, and transmit the software image to the host processor. |
US11811944B2 |
Electronic system for resource origination tracking
Embodiments of the invention relate to systems, methods, and computer program products for resource origination tracking, the invention including: electronically receiving, from a first user device associated with a first user, a digital resource and a set of distribution rules associated with the digital resource; creating an NFT associated with the digital resource; predicting, via a machine learning engine, a value of the NFT; electronically receiving, from a second user device associated with a second user, a request to complete a resource transfer; transferring ownership of the NFT associated with the digital resource from the current owner to the second user; and transmitting, to a managing entity system, instructions to transfer, from an account associated with the second user, a first amount of financial resources to an account associated with the current owner and a second amount of financial resources to an account associated with the first user. |
US11811942B2 |
Blockchain-implemented methods and systems for authorisation based on bilinear map accumulators
The invention relates to distributed ledger technologies such as consensus-based blockchains. Computer-implemented methods for locking and unlocking transaction inputs and outputs are described. The invention is implemented using a blockchain network, which may be, for example, a Bitcoin blockchain. A group of entities form a group in with membership may be proven using an accumulation tree. A variety of methods are described for generating the accumulation tree, including methods that use a central authority and methods that use a decentralized protocol in place of the central authority. In various implementations, parties are able to unlock transaction outputs that are based on group membership without revealing their identity generally. |
US11811939B2 |
Advanced crypto token authentication
A system and method for authenticating an application that employs cryptographic keys and functions is provided with white box cryptography employed to secure the application, and to secure communications with the application. The white box includes a transformation of the application and the keys. A secure channel between the white box and a crypto token is used for communications. In some cases, the transformed keys can be employed in authenticating the white box to the crypto token. The presence of a valid crypto token can be periodically determined. In the presence of a valid crypto token, the white box can provide a verifiable message to a remote server. The remote server can verify the message and initiate a service. |
US11811937B2 |
Biometric digital signature generation for identity verification
Systems, methods, and apparatus for biometric digital signature generation for identity verification are disclosed. In one or more embodiments, a method for identity verification of a user comprises sensing, by at least one sensor, biometric information from the user. The method further comprises generating, by a sensor device, biometric data from the biometric information. Also, the method comprises hashing, by the user device utilizing a fuzzy hash algorithm or a hash algorithm (e.g., a non-fuzzy hash algorithm), at least a portion of the biometric data to generate a biometric digital signature for the user. In addition, the method comprises comparing, by a verification node, the biometric digital signature to a previous biometric digital signature for the user. Further, the method comprises verifying, by the verification node, the user when the verification node determines that the biometric digital signature is identical to the previous biometric digital signature for the user. |
US11811935B2 |
Systems for secure access to protected content in a content management system
A method performed by a CMS and an edge node of a CDN is provided, including: sharing a server secret between the CMS and the edge node; using, by the CMS, the server secret to generate a signing key, the signing key being transmitted to a client system, wherein the client system receives a request for a content item from a user device, and wherein the client system uses the signing key to generate a signed URL for the content item, the user device being redirected to the signed URL; responsive to receiving the signed URL from the user device, then validating the signed URL by the edge node, wherein validating the signed URL uses the server secret to rederive the signing key based on the signed URL; responsive to successful validation of the signed URL, then providing the content item from the edge node to the user device. |
US11811933B2 |
System and method for fair, secure n-party computation using at least one blockchain
Described are a system and method for secure n-party computation. The method includes communicating a first input of an n-party computation to a trusted execution environment (TEE). The method also includes receiving, from the TEE, at least one encrypted output of the n-party computation using the first input and at least one second input of at least one other computing device, and using at least one public key of the at least one other computing device. The method further includes posting the at least one encrypted output on at least one blockchain accessible by the at least one other computing device. The method further includes, in response to posting the at least one encrypted output, receiving at least one proof of publication. The method further includes communicating the at least one proof of publication to the TEE and receiving the function output of the n-party computation. |
US11811930B2 |
Authentication of communication session participants using blockchain
Disclosed in some examples are methods, systems, devices, and machine-readable mediums which utilize authentication tokens recorded to a blockchain to identify and/or authenticate participants of a network-based communication session such as a network-based meeting. When joining the meeting, the participant may provide a token recorded on a blockchain to the communication service from the blockchain. The communication service may then identify and/or authenticate the user based upon the provided token. Various user-specific customizations and settings may then be applied and the user may be admitted to the meeting without having to enter a waiting room and be explicitly let in. |
US11811926B2 |
Compliance platform for use with identity data
Various implementations described herein may refer to a compliance platform for use with identity data. In one implementation, a method may include receiving a compliance data package from a user, where the compliance data package includes encrypted evidence data corresponding to digital identity data of the user. The method may also include encrypting the compliance data package using a first cryptographic key. The method may further include generating a user key shard, a requestor key shard, and a regulator key shard based on the first cryptographic key. The method may include generating an unlock data package that includes the requestor key shard and encrypting the unlock data package using a second cryptographic key. The method may also include transmitting the user key shard, the encrypted unlock data package, and the encrypted compliance data package to the user. The method may include transmitting the regulator key shard to a regulator. |
US11811921B2 |
Photon-level light shifting for enhanced file system security and authenticity
An approach is provided in which the approach receives a request to upload a file at a server system that includes metadata encoded with a non-invertible key. The metadata includes contact information corresponding to an owner of the file. The approach establishes both a photon channel and a classical channel between the server system and a client system, which are both secured using one or more shared secret keys. The approach interfaces with the client system over the photon channel and the classical channel to decode the contact information at the server system, and sends an upload request from the server system to the owner of the file using the contact information. The approach authorizes the upload request at the server system in response to receiving an upload approval from the owner. |
US11811920B1 |
Secure computation and communication
Methods and systems for secure computation and communication are described herein. The method includes transforming identifications of a first dataset using a transforming scheme, dispatching the transformed identifications of the first dataset, receiving identifications of a second dataset, transforming the identifications of the second dataset, dispatching the transformed identifications of the second dataset, receiving a set of identifications, generating a first intersection of the received set of identifications and the transformed identifications of second dataset, and determining a first permutation based on the first intersection. The method also includes performing an oblivious shuffling based on the first permutation and a set of attributions to generate a first share. A size of the first share is the same as a size of the first intersection. The method further includes receiving a second share and constructing a first result based on the first share and the second share. |
US11811919B2 |
Remote hardware execution service with customer consented debugging
A system coordinates with remote hardware to execute customer workloads. The system uses an architecture for ensuring trust to ensure that debugging is not performed at the remote hardware while the customer workload is being executed on the remote hardware without customer consent. For example, debugging at the remote hardware may enable an entity performing the debugging to view certain aspects of the customer's workload. The architecture for ensuring trusts uses a shared secret to ensure customer consent is given before debugging can be performed while the customer's workload is being executed on the remote hardware. |
US11811917B2 |
System and method for secure authentication of backup clients using short-term tokens
Embodiments for a system and method for secure authentication of backup clients in a way that eliminates the need to create users for backup client authentication anywhere in the backup ecosystem, and which eliminates the need for credentials, such as passwords that need protection, updating and synchronization. Such embodiments use a short-term token, such as a JSON web token, for both client and server authentication within the system, and verifies that the tokens grant access using the public key corresponding to the private key assigned to the directory objects by the creator of the directory objects. |
US11811912B1 |
Cryptographic algorithm status transition
Various embodiments relate to a method performed by a processor of a computing system. An example method includes determining a first cryptographic algorithm utilized in a first block of a first blockchain. The first block of the first blockchain has a first unique block identifier. A second cryptographic algorithm utilized in a second block of the first blockchain is determined. The second block of the first blockchain having a second unique block identifier. A first cryptographic algorithm status transition (“CAST”) event is defined if the second cryptographic algorithm is different than the first cryptographic algorithm. A first CAST record is defined upon occurrence of the first CAST event. The first CAST record includes the second cryptographic algorithm and the second unique block identifier. The first CAST record is digitally signed and stored on a second blockchain. The second blockchain may be referenced out-of-band of the first blockchain. |
US11811911B2 |
Method and system for partitioned blockchains and enhanced privacy for permissioned blockchains
A method for generation of blocks for a partitioned blockchain includes: storing blocks comprising a partitioned blockchain, wherein each block includes a header and transaction entries; receiving transaction data entries for each of a plurality of subnets; generating a hash value of the header included in the most recently added block; generating a new block header, the new block header including the generated hash value, a timestamp, and a sequence of pairs including a pair for each of the plurality of subnets, each pair including a subnet identifier associated with the respective subnet and a merkle root of each of the transaction data entries received for the respective subnet; generating a new block, the new block including the generated new block header and the transaction data entries for each of the plurality of subnets; and transmitting the new block to a plurality of nodes associated with the partitioned blockchain. |
US11811907B2 |
Data processing permits system with keys
Methods, systems, and devices for data processing are described. Some systems may support data processing permits and cryptographic techniques tying user consent to data handling. By tying user consent to data handling, the systems may comply with data regulations on a technical level and efficiently update to handle changing data regulations and/or regulations across different jurisdictions. For example, the system may maintain a set of data processing permits indicating user consent for the system to use a user's data for particular data processes. The system may encrypt the user's data using a cryptographic key (e.g., a cryptographic nonce) and may encrypt the nonce using permit keys for any permits applicable to that data. In this way, to access a user's data for a data process, the system may first verify that a relevant permit indicates that the user complies with the requested process prior to decrypting the user's data. |
US11811902B2 |
Resilient hashing for forwarding packets
A method of identifying a path for forwarding a packet by a packet forwarding element. The method receives a packet that includes a plurality of fields that identify a particular packet flow. The method computes a plurality of hash values from the plurality of fields that identify the particular packet flow. Each hash value computed using a different hash algorithm. Based on the plurality of hash values, the method identifies a plurality of paths configured to forward the packets of the particular flow. The method identifies the status of each of the plurality of paths. Each path status identifies whether or not the corresponding path is operational. The method selects an operational path in the plurality of paths to forward the packet based on a priority scheme using said plurality of identified status bits. |
US11811899B2 |
IPv4/IPv6 bridge
A virtual machine host may provide IPv4 connections to IPv4 virtual machine guests and map the connections to IPv6 networks. The IPv6 addressed exposed by the virtual machine host may be used in an IPv6 environment to communicate with the virtual machine guests, enabling various IPv6 connected scenarios for the IPv4 virtual machines. The virtual machine host may receive IPv6 communications, and translate those communications to IPv4 to communicate with the virtual machine guests. Similarly, the outbound IPv4 communications may be translated into IPv6 for communications to the IPv6 network. |
US11811894B2 |
Reduction of data transmissions based on end-user context
A computer-based method of reducing or limiting data transmissions from a computer to a remote network destination includes receiving an indication, at an agent on a computer, that a recent user activity has occurred at the computer. The indication typically includes data relevant to user context when the user activity occurred. The method further includes determining, with the agent, whether the data relevant to the user's context when the user activity occurred indicates that a change in user context relative to a user activity at the computer immediately prior to the recent user activity and conditioning a transmission of data relevant to the recent user activity from the computer to a remote network destination based on an outcome of the determination. |
US11811887B2 |
Highly available delivery of ordered streams of IoT messages
A method for conveying messages between a first software application in a first container and a second software application in a second container includes receiving, by a first connectivity service an ordered sequence of messages sent by the first application; transmitting, by the first connectivity service, at least two copies of each message to a second connectivity service, wherein the at least two copies are routed on at least partially redundant paths and wherein each copy is indicative of a position of the original message in the original ordered sequence; and forwarding, by the second connectivity service, at least one copy of each message to the second application, in the order given by the original ordered sequence. |
US11811886B2 |
Methods and apparatuses for proxy deployment
Methods and apparatuses for proxy deployment are disclosed. According to an embodiment, a first network function receives, from a second network function, a request for proxy discovery. The first network function determines at least one proxy for the second network function based on the request for proxy discovery and one or more proxy profiles available at the first network function. The first network function sends first information about the at least one proxy to the second network function. |
US11811884B1 |
Topic subscription provisioning for communication protocol
A service provider receives a request to attach a subscription to a client node. The request can be an authenticated request by an entity associated with the client node. In response to the request, information is stored that indicates the client node is authorized for the subscription. A service can determine a connection by the client node to a service. The connection can trigger the subscription to be created for the client node. |
US11811882B2 |
Guest access management in a mobile application
Identifying as a guest a user of a mobile application on a mobile device includes: following a selection to use the mobile application in guest mode, sending by an access request to a web server of a web platform, including a device token generated by a trusted provider, generating by the web server a guest user ID and sending the guest user ID to the mobile application, generating a passcode and sending the passcode along with the device token to the trusted provider, relaying by the trusted provider through a push notification service the passcode to the mobile device and the mobile application, returning by the mobile application the passcode along with the guest user ID to the web server, verifying that the returned passcode matches the guest user ID and, in case of positive match, creating a user account in a database, using the guest user ID as identifier. |
US11811881B2 |
Systems and methods for webpage personalization
A system can include one or more processing modules and one or more non-transitory computer-readable media storing computing instructions configured to run on the one or more processing modules and perform receiving, from an electronic device, a search query from a user of a plurality of users; processing first data; and facilitating displaying a set of items. Processing the first data can comprise determining one or more keywords by capturing the one or more keywords during a time window; creating a feature set of second data associated with at least a portion of the plurality of users; determining a set of items of the item set as being based at least in part on an item vector representation and a keyword vector representation; determining a respective purchase probability associated with each item of the set of items of the item set; ranking the set of items. |
US11811880B2 |
Edge link redundancy
A system to allow smooth transition between a plurality of communication sessions between a plurality of edge-links comprising a first of said plurality of communication sessions carrying traffic from one or more applications. An edge-link redundancy device, coupled to said plurality of communication sessions, monitors the status of said plurality of communication sessions. The edge-link redundancy device routing applications initiated to a second of said plurality of communication sessions when the status of said plurality of communication sessions changes to a predetermined state. |
US11811878B1 |
Session manager providing bidirectional data transport
Systems and methods for implementing direct bidirectional communications using a management console are described. A client of an application development service may request an application development resource be created. Responsive to this request, a resource may be created and the service may return an executable Integrated Development Environment (IDE) to the client to interface with the created resource. The IDE may then request an agent be executed to provide an interface between the IDE and the resource. An agent is then started and a websocket address with authorization credentials may be provided to the IDE. The IDE may then open a direct, bidirectional communications session using websockets with the agent, with the agent providing interfaces to customizable data for application development. |
US11811875B2 |
Method and system for providing web content in virtual reality environment
In rendering, in a virtual reality (VR) space, a web page including a tangible object, an area for a user input is displayed on a browsing window of the web page as an area corresponding to a corresponding tangible object with respect to tangible objects. An interested object according to the user input among the tangible objects is displayed on another browsing window in the VR space by separating the interested object from the web page. |
US11811874B2 |
Edge device
Methods, systems, and devices associated with an edge device are described. An edge device can include a processing resource and a memory resource having instructions executable to receive, at the processing resource, the memory resource, or both, and from a first source comprising a device in communication with the edge device, first input associated with a user of the device. The instructions can be executable to receive, from a second source, second input associated with a user of the device, determine, based on the first input and the second input, operational instructions for the device and transmit the operational instructions to the device. The instructions can be executable to update, using a machine learning model, the operational instructions responsive to receiving an indication of performance of the operational instructions by the device and responsive to third input received from the first source, the second source, or both. |
US11811871B2 |
Cloud-based authority to enhance point-to-point data transfer with machine learning
Systems and methods to facilitate cloud-based point-to-point data transfer via machine learning are described herein. A request for a transfer of data between a sending system and a receiving system may be obtained. Receiving system information for the receiving system may be obtained. Values of transfer parameters for performing the transfer may be determined through machine-learning. The transfer may be performed based on the determined values. Results of the transfer may be obtained and provided to the machine-learning algorithm to further train the algorithm. |
US11811868B2 |
Node data transmission method
A node data transmission method, which pertains to the field of information technology, wherein in order to solve the problem of rationally processing the relationship between data collection and data transmission among multiple radio-frequency charged nodes, two neighboring nodes are synchronously awakened by a time synchronization method, and after the two neighboring nodes are time synchronized and awakened, the node determines data cache thereof and performs a corresponding node role conversion, and the effect thereof is reasonable use of the electricity. |
US11811867B2 |
Data transmission routing based on replication path capability
Provided is a method, computer program product, and system for determining data transmission paths across storage systems based on replication path capability. A processor may collect buffer data from a source storage device and one or more target storage devices, the source storage device and the one or more target storage devices being communicatively coupled via a network. The processor may calculate, using the buffer data, a set of buffer capacities for a set of replication paths used for replicating data between the source storage device and the one or more target storage devices. The processor may correlate, using the set of buffer capacities, the set of replication paths with a set of tiered data to be replicated. Once correlated, the processor may select a first replication path for replicating a first tier of data from the set of tiered data. |
US11811866B2 |
Computer-implemented system and method for controlling processing steps of a distributed system
A method of controlling and coordinating of processing steps in a distributed system can be implemented by an initiator node of a cyclically-ordered set of nodes participating in a blockchain network (e.g., Bitcoin blockchain). The method includes generating a private key and cryptographic shares thereof for the nodes of the set and distributing them. A locking value is determined based on the shares and a transaction is arranged to transmit control of a resource responsive to supply of a corresponding unlocking value. A circuit of transactions amongst the nodes each arranged to transmit control of a resource responsive to supply of an unlocking value corresponding to a locking value determined based on the share distributed to a first node of one of two adjacent nodes and a value received from another node immediately previous to it is prepared. The initiator node may belong to a cyclically-ordered set of initiator nodes. |
US11811863B2 |
Method and apparatus for providing network analytics in a wireless communication system
The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a first network data analytics function (NWDAF) is provided. The method comprises: receiving, from a NWDAF service consumer, a first request for first analytics information, the first request including first time information on a first time duration when the first analytics information is needed for the NWDAF service consumer; transmitting, to a second NWDAF, a second request for second analytics information, the second request including second time information on a second time duration when the second analytics information is needed for the first NWDAF; receiving, from the second NWDAF, a second response including the second analytics information; and transmitting, to the NWDAF service consumer, a first response including the first analytics information generated based on second analytics information received from the at least one second NWDAF. |
US11811861B2 |
Dynamically updating load balancing criteria
Some embodiments provide a method of performing load balancing for a group of machines that are distributed across several physical sites. The method of some embodiments iteratively computes (1) first and second sets of load values respectively for first and second sets of machines that are respectively located at first and second physical sites, and (2) uses the computed first and second sets of load values to distribute received data messages that the group of machines needs to process, among the machines in the first and second physical sites. The iterative computations entail repeated calculations of first and second sets of weight values that are respectively used to combine first and second load metric values for the first and second sets of machines to repeatedly produce the first and second sets of load values for the first and second sets of machines. The repeated calculation of the weight values automatedly and dynamically adjusts the load prediction at each site without user adjustment of these weight values. As it is difficult for a user to gauge the effect of each load metric on the overall load, some embodiments use machine learned technique to automatedly adjust these weight values. |
US11811860B2 |
Server picking in a virtual private network
A method including transmitting, by a requesting user device to an infrastructure device associated with a virtual private network (VPN), a connection request for receiving VPN services; receiving, by the requesting user device from the infrastructure device, connection information associated with a VPN server selected for providing the VPN services to the requesting user device, the VPN server being selected based at least in part on a comparison between a parameter associated with the requesting user device and a current parameter associated with another user device currently receiving VPN services from the VPN server; and transmitting, by the requesting user device to the VPN server, an initiation request to receive the VPN services from the VPN server based at least in part on utilizing the connection information is disclosed. Various other aspects are contemplated. |
US11811858B1 |
SaaS application contract terms benchmarking in a SaaS management platform
A method implemented in a software as a service (SaaS) management platform, includes: receiving a plurality of contract files relating to purchases of a SaaS application; identifying terms in the plurality of contract files; assigning a normalization SKU to respective contract files based on the terms identified in the respective contract files; generating anonymized contract data by storing the terms of each contract file in association with the normalization SKU assigned to the contract file in an anonymous manner; responsive to a request from a client device, accessing the anonymized contract data to generate a distribution of terms of the anonymized contract data, generating benchmark data identifying an approximate location of terms of a given customer's contract file within the distribution, and returning the benchmark data to the client device for rendering through a user interface. |
US11811850B2 |
System providing faster and more efficient data communication
A system designed for increasing network communication speed for users, while lowering network congestion for content owners and ISPs. The system employs network elements including an acceleration server, clients, agents, and peers, where communication requests generated by applications are intercepted by the client on the same machine. The IP address of the server in the communication request is transmitted to the acceleration server, which provides a list of agents to use for this IP address. The communication request is sent to the agents. One or more of the agents respond with a list of peers that have previously seen some or all of the content which is the response to this request (after checking whether this data is still valid). The client then downloads the data from these peers in parts and in parallel, thereby speeding up the Web transfer, releasing congestion from the Web by fetching the information from multiple sources, and relieving traffic from Web servers by offloading the data transfers from them to nearby peers. |
US11811849B2 |
System providing faster and more efficient data communication
A system designed for increasing network communication speed for users, while lowering network congestion for content owners and ISPs. The system employs network elements including an acceleration server, clients, agents, and peers, where communication requests generated by applications are intercepted by the client on the same machine. The IP address of the server in the communication request is transmitted to the acceleration server, which provides a list of agents to use for this IP address. The communication request is sent to the agents. One or more of the agents respond with a list of peers that have previously seen some or all of the content which is the response to this request (after checking whether this data is still valid). The client then downloads the data from these peers in parts and in parallel, thereby speeding up the Web transfer, releasing congestion from the Web by fetching the information from multiple sources, and relieving traffic from Web servers by offloading the data transfers from them to nearby peers. |
US11811841B2 |
Controlling a display to provide a user interface
Visual content to be displayed on a display of a user device is received. Obfuscation data for obscuring the visual content is generated and the obscured visual content is displayed on the display. A request to stop obscuring the visual content is transmitted from the user device to a remote device, in response to a drag gesture detected at the user device. As the drag gesture is performed, the obfuscation data is modified to reduce a level of obfuscation applied to the visual content before the request has been accepted, so that the visual content remains obscured but with a lower level of obfuscation. If the request is subsequently accepted at the remote device, the display is controlled to stop obscuring the visual content, thereby rendering the visual content fully visible on the display. |
US11811840B2 |
UHD HLS streaming trusted client server environment
A video player for playing a video stream that receives a master playlist identifying at least one variant playlist identifying a video file encoded as a series of video frames that when decoded provide the video stream. The video player based upon a configuration tag in the master play list selectively determining whether the video file is to be processed in a trusted execution environment. The trusted execution environment of the video player selectively includes at least one of (i) hack one, only hack one; (ii) output and link protection; (iii) hardware root of trust; and (iv) forensic watermarking, and decrypts and/or decodes the video stream in such an environment. |
US11811839B2 |
Managed distribution of data stream contents
Configuration information indicating that one or more stream consumers are granted read-only access to contents of a shared-access data stream is stored at a stream management service. A virtual stream associated with the shared-access stream may be established. In response to a read request directed to the virtual stream, contents of a particular record of the shared-access data stream are provided. |
US11811832B2 |
Queryless device configuration determination-based techniques for mobile device management
Embodiments described herein are directed to managing device compliance for devices that are connected to an enterprise network. For example, a mobile device manager may provide configuration settings to a computing device, which implements the settings in order to be compliant with an enterprise's data and/or security policy. The mobile device manager also maintains a local reference of each device's configuration settings implemented thereby. When the mobile device manager subsequently performs a determination as to whether the computing device is still in compliance, the mobile device manager simply needs to refer to the local reference to determine the computing device's settings instead of explicitly querying the computing device for its settings. The foregoing techniques may be extended for security baseline compliance determinations, IoT device compliance determinations and compliance determinations for other types of devices, such as devices utilized by business partners of the enterprise that utilize the enterprise's network. |
US11811826B2 |
Dynamic and cryptographically secure augmentation of programmatically established chatbot sessions
The disclosed exemplary embodiments include computer-implemented systems, apparatuses, and processes that dynamically and securely augment a programmatically established communications session, such as a chatbot session, to include one or more additional responsive applications. For example, an apparatus may receive messaging data during a first communication session programmatically established between a device and a first executed application program, and may determine that an additional apparatus is configured to perform operations consistent with the messaging data. The apparatus may transmit a digital token and at least a portion of the messaging data to an additional apparatus. A second application executed by the additional apparatus may validate the digital token and based on the portion of the messaging data, establish a second communication session between the device and the executed first and second application programs. |
US11811823B2 |
Complete data exfiltration profile and model (CODAEX)
A method for identifying data exfiltration attempts on a computer network comprising the following steps: identifying malicious data exfiltration behaviors (DEBs) for known adversary tactics in a knowledge base; identifying benign DEBs; comparing the malicious DEBs with the benign DEBs to identify network features that indicate malicious DEB; calculating, with a network analyzer, an entropy value for each identified network feature; establishing a threshold based on the calculated entropy values; building a complete profile of DEB based on the benign and malicious DEBs; adding every network feature having an entropy value greater than the threshold to a model; comparing the model to live network traffic; and flagging behavior in the live network traffic as a malicious DEB if such behavior includes a network feature that has an entropy value greater than the threshold regardless of whether or not the flagged behavior was previously recognized as a malicious DEB. |
US11811822B2 |
Systems and methods for detecting and automatically blocking malicious traffic
Methods and systems are presented for detecting and automatically blocking malicious traffic directed at a service provider. An IP address associated with a domain of the service provider is dissociated from the domain. Requests addressed to the IP address after it has been dissociated are identified as malicious and logged. IP addresses from which the malicious requests originated are blocked, and the log of malicious requests is used to train a model for determining pattern-based rules. Rules for managing traffic are determined based on the patterns and pushed to nodes of a proxy service, and the nodes may block or otherwise limit requests based on the rules. |
US11811818B1 |
Apparatus and method for determining a risk associated with a cyberattack
An apparatus and method for determining a risk associated with a cyber-attack are provided. The apparatus includes a processor and a memory communicatively coupled to the at least a processor. The memory contains instructions configuring the at least a processor to receive a cyber profile associated with a digital environment. The processor is further configured to receive risk assessment category data associated with the cyber profile and determine a digital environment risk record based on the risk assessment category data. In addition, the processor is configured to generate a user interface data structure configured to display the determined risk record. |
US11811811B1 |
File scanner to detect malicious electronic files
Disclosed herein are embodiments of systems, methods, and products comprising an analytic server, which automatically detects malicious electronic files. The analytic server receives electronic files, runs a file extraction module to recursively scan the electronic files, and extracts all of the embedded and linked electronic files. The analytic server runs an exploit scanner against the extracted electronic files, and extracts code included in the electronic files. The analytic server deobfuscates the extracted code and examines the deobfuscated code by applying a set of malicious behavior rules against the deobfuscated rules. The analytic server identifies potentially malicious electronic files based on the examination. The analytic server applies a set of whitelist rules on the potentially malicious electronic files to eliminate false alarms. The analytic server transmits alert notifications to an analyst regarding the malicious electronic files and updates the whitelist rules based on analyst's feedback. |
US11811809B2 |
Rule-based network-threat detection for encrypted communications
A packet-filtering system configured to filter packets in accordance with packet-filtering rules may receive data indicating network-threat indicators and may configure the packet-filtering rules to cause the packet-filtering system to identify packets comprising unencrypted data, and packets comprising encrypted data. A portion of the unencrypted data may correspond to one or more of the network-threat indicators, and the packet-filtering rules may be configured to cause the packet-filtering system to determine, based on the portion of the unencrypted data, that the packets comprising encrypted data correspond to the one or more network-threat indicators. |
US11811802B2 |
Cloud security monitoring of applications in PaaS services
A security threat detection system is used to monitor the physical resource usage of a hosted application in a PaaS service in order to detect anomalous behavior indicative of a security threat. The system analyzes the historical usage of the application's physical resources in order to determine the normal range of consumption of a resource by the application. A security threat alert is then provided when the application's resource consumption exceeds the normal range of consumption. |
US11811796B2 |
Indicator of compromise calculation system
This disclosure describes techniques for calculating a vulnerability score for a malicious threat based on Indicator of Compromise (IoC) metadata retrieved from a computing device or underlying network. Further, an Indicator of Compromise (IoC) Calculation (IoC-C) system is described that may monitor a client interaction on a computing device, and further identify IoC metadata that may relate to a malicious threat. The IoC-C system may further generate a vulnerability score that numerically quantifies a risk that the malicious threat poses to the computing device or underlying network. The vulnerability score may account for environmental criteria that mitigate an effect of the malicious threat. The IoC-C system may also generate a reporting data packet that includes an informational message identifying a potential risk posed by a malicious threat, or a response protocol that dynamically prevents, mitigates or quarantines an effect of the malicious threat on a computing device or underlying network. |
US11811795B2 |
Method and system for transmitting multiple data
Provided are a method and a system for transmitting multiple data, in which the method includes receiving a plurality of transmission files for transmission from a transmission device of the first network to a reception device of the second network, and temporarily storing the received files, generating flexible packets by dividing each of the plurality of transmission files by a flexible packet length determined according to size of the files, in which a transmission file in a size smaller than the flexible packet length among the plurality of transmission files is generated as one flexible packet without being divided, loading the flexible packets into a plurality of flexible frames based on a corresponding transmission file priority according to a maximum data transmission size, and transmitting the plurality of flexible frames to the second network. |
US11811791B2 |
Generative adversarial network based predictive model for collaborative intrusion detection systems
Described herein are embodiments for transferring knowledge of intrusion signatures derived from a number of software-defined data centers (SDDCs), each of which has an intrusion detection system (IDS) with a convolutional neural network (CNN) to a centralized neural network. The centralized neural network is implemented as a generative adversarial neural network (GANN) having a multi-feed discriminator and a generator, which is trained from the discriminator. Knowledge in the GANN is then transferred back to the CNNs in each of the SDDCs. In this manner, each CNN obtains the learning of the CNNs in nearby IDSs of a region so that a distributed attack on each of the CNNs, such as a denial of service attack, can be defended by each of the CNNs. |
US11811786B1 |
Lateral movement analysis using certificate private keys
A system and method for detecting potential lateral movement in a cloud computing environment includes detecting a private encryption key and a certificate, each of which further include a hash value of a respective public key, wherein the certificate is stored on a first resource deployed in the cloud computing environment; generating in a security graph: a private key node, a certificate node, and a resource node connected to the certificate node, wherein the security graph is a representation of the cloud computing environment; generating a connection in the security graph between the private key node and the certificate node, in response to determining a match between the hash values of the public key of the private key and the public key of the certificate; and determining that the first resource node is potentially compromised, in response to receiving an indication that an element of the public key is compromised. |
US11811784B2 |
Integrity verified paths between entities in a container-orchestration system
Techniques and mechanisms for providing integrity verified paths using only integrity validated pods of nodes. A network service mesh (NSM) associated with a first pod may locally generate a nonce and provide the nonce to the first pod, where the request includes a request for an attestation token. Using the nonce, the first pod may generate the attestation token and reply back to the NSM. The NSM may generate a second request for an attestation token and forward it to a NSE pod, where the request includes a second locally generated nonce generated by the NSM. The NSE pod may generate the second attestation token using the second nonce and reply back to the NSM. The NSM may then have the attestation tokens verified or validated by a certificate authority (CA) server. The NSM may thus instantiate an integrity verified path between the first pod and the NSE pod. |
US11811775B2 |
System and method for handling user requests for web services
A system and method detects and handles replay attacks using counters maintained for each of several different periods for various values of IP addresses and browser description attributes encountered. |
US11811769B2 |
Systems, methods, and apparatuses for implementing a declarative, metadata driven, cryptographically verifiable multi-network (multi-tenant) shared ledger
Exemplary systems, methods, and apparatuses implement a declarative, metadata driven, cryptographically verifiable multi-network (multi-tenant) shared ledger in conjunction with a cloud based computing environment. Such a system, having at least a processor and a memory therein and executing within a host organization, includes means for: operating an interface to a shared ledger on behalf of a plurality of authorized network participants for the shared ledger, wherein the shared ledger persists data via a plurality of distributed shared ledger nodes; generating a network org within the shared ledger to store the data on behalf of a founder org as a first one of the plurality of authorized network participants; receiving input from the founder org defining a plurality of partner orgs as additional authorized network participants for the network org, wherein all of the authorized network participants have read access to the data stored by the network org via the shared ledger without replicating the data; receiving input from the founder org defining permissions for each of the partner orgs to interact with the network org within the shared ledger; writing metadata to the shared ledger defining at least the authorized network participants for the network org and the permissions defined for each of the partner orgs; receiving requests from the authorized network participants to interact with the network org; and transacting with the shared ledger in fulfillment of the requests. |
US11811768B2 |
Secured vital sign data group streams
A method and system for securely transmitting a plurality of data streams between a client device and a server that are in communication via standard Internet protocols are disclosed. The method comprises authenticating the client device by the server to create a Session ID and authorizing the client device to access the plurality of data streams by the server using at least one ACL Group, wherein a WebSocket connection is created between the client device and the server once the client device is both authenticated and authorized. The system comprises a client device and a server in communication with the client device via standard Internet protocols, wherein the server authenticates the client device to create a session, authorizes the client device to access the plurality of data streams using at least one ACL Group, wherein a WebSocket connection is created once the client device is both authenticated and authorized. |
US11811766B2 |
Cloud-based coordination of remote service appliances
Systems, and methods are provided to provide cloud-based coordination of customer premise service appliances. A system can include a cloud-based service platform, which includes a coordination server and a cloud-based service appliance, and an on-premise service appliance. The coordination server is configured to establish a service session, select a service appliance, and control a sequence of operations on the selected service appliance. Establishing the service session can include establishing a service session with a first client in response to a service request received from the first client, the first client associated with an account including a service policy. Selecting the service appliance can include selecting the cloud-based service appliance or the on-premise service appliance, based on the service policy, to handle the service request. Upon selection of the on-premise service appliance, the coordination server controls a sequence of operations performed by the on-premise service appliance to satisfy the service request. |
US11811764B2 |
Classifying types of sensitive events for data loss prevention
Identification of an electronic communication containing specific information is provided. Content of the electronic communication may be evaluated by a machine-learning model, and based on an evaluation of the content, it may be determined that the electronic communication contains the specific information. The electronic communication may be tagged with tag information indicating that the electronic communication contains the specific information, and transmission of the electronic communication may be blocked based on the tag information. |
US11811763B2 |
Behavioral baselining from a data source perspective for detection of compromised users
A method and system are disclosed. The method and system include receiving, at a wrapper, a communication and a context associated with the communication from a client. The communication is for a data source. The wrapper includes a dispatcher and a service. The dispatcher receives the communication and is data agnostic. The method and system also include providing the context from the dispatcher to the service. In some embodiments, the method and system use the service to compare the context to a behavioral baseline for the client. The behavioral baseline incorporates a plurality of contexts previously received from the client. |
US11811762B2 |
Sponsor delegation for multi-factor authentication
Disclosed are methods, systems, and non-transitory computer-readable media for using a sponsor as a proxy for multi-factor authentication of a first user account for a first user when a primary multi-factor authentication mechanism is unavailable to the first user account, comprising registering the sponsor in a multi-factor authentication chain of trust associated with the first user account; requesting verification of an identity of the first user from the sponsor; receiving, from the sponsor, a verification of the identity of the first user; and granting access to a service to the first user account. |
US11811761B2 |
Dynamic learning system for intelligent authentication
Techniques for intelligently deciding the optimal authenticator(s) from amongst those supported by an electronic device are described. The authentication system according to some embodiments may include a dynamic machine learner that incorporates the attributes of: (i) user behavior attributes (e.g., preferred authenticator); (ii) device attributes (e.g., hardware and software specifications, applications, etc.); and (iii) operating environment attributes (e.g., ambient light, noise, etc.), as well as the interplay between the aforementioned attributes over time to make the decision. In some embodiments, the authentication activities and patterns of other users of similar type (e.g., users exhibiting similar behavior across different operating environments) can also be learned and employed to improve the decision making process over time. |
US11811756B2 |
Identity authentication method based on biometric feature, and identity authentication system thereof
The present invention relates to a biometric-based identity authentication method and system. The method includes: obtaining mobile terminal numbers of all users entering a specified area through a base station associated with the specified area which the users enter to generate a first mobile terminal number list; recognizing biometrics of users, and obtaining a second mobile terminal number list composed of n mobile terminal numbers with the highest similarity to the biometrics based on a pre-established binding relationship between biometrics of users and the mobile terminal numbers; and comparing the first mobile terminal number list with the second mobile terminal number list, wherein on the condition that the intersection of the two is one mobile terminal number, it is determined that the user of the mobile terminal number is the user with successful identity authentication, and on the condition that the intersection of the two is more than one number, it is determined that the user of the mobile terminal number with the highest biometric similarity in the intersection is the user with successful identity authentication. According to the present invention, the range of face recognition N can be narrowed down, and a user only needs to carry a mobile phone and 1:N face recognition can be completed without additional operations. |
US11811754B2 |
Authenticating devices via tokens and verification computing devices
Aspects of the disclosure relate to a system and method for securely authenticating a device via token(s) and/or verification computing device(s). A verification computing device may generate a pseudorandom number or sequence. Based on the pseudorandom number or sequence, the verification computing device may select a first plurality of parameters associated with a user of a device to be authenticated. The verification computing device may transmit, to the device, the pseudorandom number or sequence, and the device may select a second plurality of parameters. The device may generate a token based on the second plurality of parameters. The device may send the token to another device, and the other device may send the token to the verification computing device. The verification computing device may authenticate the device based on the token. |
US11811751B2 |
Exclusive self-escrow method and apparatus
A method and apparatus provides for securely unlocking a locked program domain by a third party wishing to gain extraordinary access to the program domain by a third party. The third party and the program domain are mutually authenticated using exclusive self-escrow of credentials that are generated, revealed, or stored within the program domain. Multiple third parties that are required for unlocking the program domain may also be authenticated prior to unlocking the program domain. The method and apparatus provides extraordinary access without the use of backdoors or having the program domain provide credentials to third parties. |
US11811746B2 |
Systems and methods for using JWTs for information security
Systems and methods for using JavaScript Object Notation (JSON) Web Tokens for information security for a particular software-controlled application are disclosed. Exemplary implementations may: store information electronically, including different types of client-provided information, hardware information, key information, and permission information; provide individual JWTs that include individual expiration dates to individual users; receive a user request for continued access and/or use of the particular software-controlled application; perform different types of (automated) verification based on the client-provided information in the user request; and, responsive to particular results from the different types of verification, perform some combination of transferring a response to the user request and accepting or denying continued access and/or use of the particular software-controlled application. |
US11811744B2 |
Protecting against network vulnerabilities
A method including transmitting, by a user device to an infrastructure device, a first pre-authentication request associated with requesting communication services from a server, the first pre-authentication request indicating a communication parameter associated with the user device; determining, by the user device while obtaining the communication services from the server, a change in the communication parameter such that the user device is associated with a new communication parameter; and transmitting, by the user device to the infrastructure device, a second pre-authentication request associated with obtaining the communication services from the server, the second pre-authentication request indicating the new communication parameter. Various other aspects are contemplated. |
US11811742B2 |
Methods, systems, and media for recovering identity information in verifiable claims-based systems
Methods, systems, and media for recovering identity information in verifiable claims-based systems are provided. In some embodiments, the method comprises: determining that a graph of interdependencies between a plurality of issuers and a plurality of claims for a holder is to be reconstructed; restoring a root credential; transmitting a plurality of messages that are each signed with the root credential to a plurality of backup providers, wherein each of the plurality of backup providers has a portion of the graph of interdependencies between the plurality of issuers and the plurality of claims for the holder stored in a storage device; receiving a plurality of graph portions from at least a portion of the plurality of backup providers in response to each of the portion of the plurality of backup providers determining that the root credential is a correct root credential corresponding to the holder; and reconstructing the graph of interdependencies between the plurality of issuers and the plurality of claims for the holder using the plurality of received graph portions. |
US11811739B2 |
Web encryption for web messages and application programming interfaces
Systems and methods for providing access to online content while also securing user confidential information are presented. User confidential information (e.g., user phone number or e-mail address) may be used to authenticate and authorize a client device to access online resources, such as microservices exposed via application programming interfaces (APIs). With the techniques described herein, such user confidential information is protected both in transit over a network connection and while at rest in storage on the client device. This is achieved through the use of an encrypted access token (e.g., a JSON Web Encryption (JWE) token) including the user confidential information in an encrypted form. The client device receives such encrypted access token from an identity provider (IDP) and passes it to a resource server API to access the microservices associated with the API, without the client device decrypting the user confidential information contained therein. |
US11811737B2 |
Enabling efficient communication in a hybrid network
A method including determining, by a first device having an established virtual private network (VPN) connection with a VPN server and an established meshnet connection with a second device in a mesh network, a transmission packet to be transmitted by the first device; and determining, by the first device, whether the transmission packet is to be transmitted by utilizing the VPN connection or by utilizing the meshnet connection based at least in part on determining a destination associated with the transmission packet. Various other aspects are contemplated. |
US11811728B1 |
Broadband network gateway (BNG) as dynamic host configuration protocol (DHCP) server
In some implementations, a broadband network gateway (BNG) may receive, from a customer premises equipment, a dynamic host configuration protocol (DHCP) discover request, wherein the BNG is connected to the customer premises equipment and a fixed mobile interworking function (FMIF). The BNG may communicate with, based on the DHCP discover request, the FMIF. The BNG may provide to the customer premises equipment, and based on communicating with the FMIF, a DHCP offer that offers utilization of the BNG as a DHCP server. The BNG may receive from the customer premises equipment, and based on providing the DHCP offer, a DHCP request to request utilization of the BNG as the DHCP server. The BNG may provide to the customer premises equipment, and based on the DHCP request, a DHCP acknowledgment that acknowledges utilization of the BNG as the DHCP server. |
US11811726B1 |
Optimizing communication between meshnet devices in a mesh network
A method including transmitting, by a first meshnet device to a third-party application installed on the first meshnet device, an association between a second meshnet device and a unique identifier of the second meshnet device; receiving, by the first meshnet device from the third-party application, a query for a meshnet IP address assigned to the second meshnet device; transmitting, by the first meshnet device to the third-party application based on receiving the query, the meshnet IP address assigned to the second meshnet device; receiving, by the first meshnet device from the third-party application based on transmitting the meshnet IP address, a communication packet to be transmitted to the second meshnet device, the communication packet indicating the meshnet IP address as a destination address; and transmitting, by the first meshnet device, the communication packet to the second meshnet device is disclosed. Various other aspects are contemplated. |
US11811725B2 |
Systems and methods for location-based assignment of network address information
In some implementations, a router device may identify a network address assignment event. The router device may determine first location information for a deployment site of the router device based on identifying the network address assignment event. The router device may convert the first location information into second location information. The router device may identify a block of network addresses, of a group of blocks of network addresses, corresponding to a region of a set of defined regions. The router device may select, from the block of network addresses, an available network address for the router device. The router device may assign the available network address to an interface of the router device. The router device may enable routing using the interface based on assigning the available network address to the interface. |
US11811723B2 |
Local transparent extensibility and routing slip extensibility for business process execution language
In order to achieve location transparency and routing slip extensibility, a system and a method for orchestrating a web service using Business Process Execution Language are disclosed. The method includes: receiving a message, wherein the message comprises an address identifying an extension element; determining, from the address, a location of the extension element identified by the address; responsive to determining the location of the extension element, directing the message to an appropriate location; and storing the message in a computer readable storage medium. |
US11811720B2 |
Efficient ARP packet propagation
Techniques disclosed herein provide a method for efficiently propagating address resolution reply messages. A first router in a first network receives an address resolution request message from a second router in a second network. The first router generates an entry for the address resolution request message and stores the entry in a pending address resolution requests table. When the first router receives a route advertisement, it extracts a network layer address from the route advertisement and determines whether the pending address resolution requests table includes an entry for the network layer address. If so, the router extracts a link layer address from the route advertisement and generates an address resolution reply message comprising the network layer address and the link layer address. The router then transmits the address resolution reply message to the second router. |
US11811714B2 |
Application programming interfaces for communication systems
Among other disclosures, a method may include receiving a trigger identifying a person associated with a communication, the communication being transmitted by a communication application. The method may include retrieving information relating to the person. The method may include providing the information to an interface associated with the communication application. |
US11811710B1 |
Method and system for multi-format messaging
A first instance of a first messaging application, with a first messaging format, is running on a virtual machine. A user authentication for a first user account associated with the first instance is received from a user of a second messaging application with a second messaging format. A second user account associated with the second messaging application is linked to the first user account based on the authentication. A first database associated with the first user account is monitored for incoming messages from a second instance of the first messaging application which are then stored in a second database associated with the second user account based on an API to convert them to the second messaging format. The second database is monitored for outgoing messages from the second messaging application which are then stored in the first database based on an API to convert them to the first messaging format. |
US11811707B2 |
Automatic chatbot generation through causal analysis of historical incidents
A method for receiving a historical incident data set with the historical incident data set including a plurality of data records, for each given data record of the plurality of data records, applying a causal analysis algorithm to determine a set of causal factor(s) for the historical instance of an incident corresponding to the given data record to obtain a problems and solutions data set, and automatically, and by machine logic, generating a chatbot based, at least in part, on the problems and solutions data set. |
US11811705B2 |
Method, apparatus, and system for transmitting or receiving control channel and data channel in wireless communication system
A base station of a wireless communication system is disclosed. The base station of the wireless communication includes a communication module, and a processor. The processor generates a preemption indicator indicating a preempted resource. In this case, the resource indicated by the preemption indicator does not include an orthogonal frequency divisional multiplexing (OFDM) symbol configured as an uplink (UL) symbol by a radio resource control (RRC) signal. The processor is configured to transmit the preemption indicator to a user equipment of the wireless system based on a predetermined period. |
US11811701B2 |
Facilitating multiplexing of downlink grant-triggered aperiodic channel state information reports on an uplink control channel
Apparatus, methods, and computer-readable media for facilitating multiplexing of downlink grant-triggered aperiodic channel state information reports on an uplink control channel are disclosed herein. An example method for wireless communication at a UE includes receiving scheduling to provide multiple A-CSI reports while foregoing A-CSI multiplexing, the scheduling for up to two A-CSI reports in a same slot for the UE, and the multiple A-CSI reports being non-overlapping in time in the same slot. The example method also includes transmitting the multiple A-CSI reports to a base station in respective PUCCH in the same slot and while foregoing CSI multiplexing. |
US11811696B2 |
Wireless communication system, base station, terminal, and method of communication
A wireless communication system includes: a base station that transmits a first signal including information indicating whether the control information is able to be transmitted using the channel assigned to the transmission of the data; and a terminal that receives the first signal. In a case that the timing of transmitting the data and the timing of transmitting the control information overlap with each other, the terminal transmits, when the information in the first signal indicates that the control information is not able to be transmitted using the channel, the control information to the base station using a resource other than the channel, and transmits, when the information in the first signal indicates that the control information is able to be transmitted using the channel, the control information to the base station using the channel. |
US11811694B2 |
Demodulation reference signal (DMRS) indication for single downlink control information (DCI) multitransmission reception point (TRP) transmission
Some embodiments of this disclosure include systems, apparatuses, methods, and computer-readable media for a single downlink control information (DCI) signal that supports multi-transmission reception point (TRP) transmissions from different TRPs (e.g., different 5G Node Bs or different antenna panels.) A user equipment (UE) receives a single DCI signal that includes a first transmission configuration indicator (TCI) state of a first TRP, a second TCI state of a second TRP, and a demodulation reference signal (DMRS) port indication value. The UE uses the DMRS port indication value to determine a first DMRS port and a first code division multiplexing (CDM) group of the first TCI state and a second DMRS port and a second CDM group of the second TCI state. The UE receives a multi-Physical Downlink Shared Channel (PDSCH) signal that includes multi-TRP transmissions, and uses the above determinations to decode data from the first and/or the second TCI states. |
US11811688B2 |
Reduced density channel state information reference signal
According to some embodiments, a method for use in a network node of transmitting channel state information reference signals (CSI-RS) comprises transmitting a number M of CSI-RS ports to one or more wireless devices. A fraction of the M ports are transmitted over a first physical resource block (PRB) and a remaining fraction of the M ports are transmitted over a second PRB. Some embodiments further comprise mapping the number M of CSI-RS ports to resource elements of a radio subframe. A fraction of the M ports are mapped to a first PRB of the subframe and a remaining fraction of the M ports are mapped to a second PRB of the subframe. |
US11811686B2 |
Packet reordering method of sound bar
The present invention provides a signal processing method of a speaker, wherein the signal processing method includes the steps of: receiving a plurality of packets, wherein the plurality of packets correspond to at least two audio frames, each audio frame has at least two of the packets, and each packet comprises a sequence number indicating an order of the packet in the plurality of packets; sorting the plurality of packets to generate reordered packets; and rendering the reordered packets to a middleware to regenerate the at least two audio frames. |
US11811679B2 |
Stacked identities for resource principals
Techniques are described for enabling resources within a cloud computing system to interact with each other. In certain embodiments, a base identifier assigned to a first resource is extended by mapping the base identifier onto a second identifier assigned to a logical resource that is built upon the first resource. This allows the first resource to have two identities, one identity indicating what the first resource is (e.g., a particular compute instance) and another identity indicating the purpose of the first resource (e.g., operating as a database for a particular tenancy). Consequently, the first resource may be provided with access privileges different from those associated with the base identifier. For example, the first resource may access another resource in the tenancy using the second identifier, but may have no access to the other resource using the base identifier. |
US11811678B2 |
Method and apparatus for facilitating accessing home surveillance data by remote devices
Method and apparatus for facilitating accessing home surveillance device data, preferably an IP camera video stream, by a remote user device at the remote user device's instigation, over the Internet through a home router, the facilitating including incorporating a smart gateway in local communication with the home router and in persistent or intermittent communication with a remote Internet server to facilitate communication of data over the Internet at the remote user device's request through direct communication between the remote user device and the smart gateway, the smart gateway in local communication With the home surveillance device such as an IP camera, the direct communication facilitated by a “hole punch” type of technique. |
US11811672B2 |
Data validity based network buffer management system
Systems and methods for data scheduling and queuing. A data network node is configured to transmit data in a store-and-forward fashion. The data network node includes a delay and validity determination module that determines and assigns a validity value to each data packet incoming via an input port based on a time stamp of the data packet, a current time value, an expected delay on a route of the data packet to its destination, and a packet urgency value. A scheduling module and a queue managing module execute their functions based on the validity value assigned to a data packet in a transmission buffer. |
US11811668B2 |
System for implementing disposition bias for validating network traffic from upstream applications
Systems, computer program products, and methods are described herein for validating network traffic from upstream applications. The present invention is configured to electronically receive datastream from an upstream application; initiate a traffic bias management engine (TBME) on the datastream; determine, using the TMBE, an information bias for the upstream application based on at least initiating the TBME on the datastream; determine a validation level for the upstream application based on at least the information bias; and validate the upstream application based on at least the validation level. |
US11811666B2 |
Release-time based prioritization of on-board content
Approaches are described for release-time-driven (RTD) prioritization of on-board content scheduling and delivery to in-transit transport craft via communications systems. In context of a constrained network, content is scheduled to be delivered to those in-transit on-board media servers in a manner driven by respective release times and other prioritization factors associated with the updated content. Each content is associated with a RTD priority profile that can define a release time, a release priority, and a profile plot for the content. The RTD priority profiles can be used to compute priority surfaces that define priority scores over a multidimensional space for a particular time. A subset of the content can be selected for delivery based on the priority surfaces, and can be scheduled for delivery according to network capacity determinations. |
US11811662B2 |
Determination of an inflection point in congestion of a network path
Determination of an inflection point in congestion in a network path can include determining packet congestion on a network path using an inflection point mechanism (IPDM), detecting a potential inflection point in response to a one-way delay (OWD) of a first packet being lesser than an OWD of a second packet by a quantity greater than a function of a difference of inter departure time (IDT) between the first packet and the second packet, and determining an inflection point in congestion of the network path based on the potential inflection point. |
US11811660B2 |
Flow classification apparatus, methods, and systems
Apparatus, methods, and systems for tuple space search-based flow classification using cuckoo hash tables and unmasked packet headers are described herein. A device can communicate with one or more hardware switches. The device can include memory to store hash table entries of a hash table. The device can include processing circuitry to perform a hash lookup in the hash table. The lookup can be based on an unmasked key include in a packet header corresponding to a received data packet. The processing circuitry can retrieve an index pointing to a sub-table, the sub-table including a set of rules for handling the data packet. Other embodiments are also described. |
US11811659B2 |
Identification device and identification program
A signature generation unit (132) generates a signature in which header information of packet data included in traffic data is correlated with a label representing a category for an application corresponding to the packet data. A flow data generation unit (131) generates flow data from the packet data. An assigning unit (134) assigns the label to the flow data on the basis of the signature and the header information of the flow data. A calculation unit (135) calculates a feature amount of the flow data. A learning unit (136) learns a model for predicting a label from the feature amount using the label and the feature amount of the flow data to which the label is assigned. |
US11811658B1 |
Method for mobile ad-hoc network (manet) multi-hop routing in a broadcast domain
A method for use in a first layer-3 switch, the method comprising: learning, by the first layer-3 switch, a first layer-3/layer-2 (L3/L2) cache, the learning of the first L3/L2 cache including generating a first cache entry that maps a layer-3 address of a first device to a layer-2 address of the first device, the first device being part of a first LAN portion; and transmitting, over a wireless network, contents of the first L3/L2 cache to a second layer-3 switch, the transmitted contents including at least a portion of the first cache entry, the second layer-3 switch being part a second LAN portion, the second LAN portion being connected to the first LAN portion via the wireless network. |
US11811656B2 |
Direct communication between endpoints across remote sites
A method for direct communication between a source endpoint executing in a first datacenter and a destination endpoint executing in a second datacenter. The method receives, at a gateway of the second datacenter, a packet sent by the source endpoint, the packet having a header that includes a source IP address corresponding to a public IP address of the first datacenter, a destination IP address corresponding to a public IP address of the second datacenter, and source and destination port numbers. The method performs a DNAT process on the packet to replace at least the destination IP address in the header with a private IP address of the destination endpoint. The DNAT process identifies the private IP address by mapping the source and destination port numbers to the private IP address of the destination endpoint. The method then transmits the packet to the destination endpoint in the second datacenter. |
US11811654B2 |
Packet processing method and apparatus
A packet processing method and apparatus, related to the communication field are provided. The method includes: re-encapsulating a first packet from a first device to obtain a second packet, where the first packet includes first identification information and first service function chain (SFC) header encapsulation information, the second packet includes first index information and the first identification information and does not include the first SFC header encapsulation information, and the first index information is associated with the first SFC header encapsulation information and the first identification information; and sending the second packet to the second device based on the first SFC header encapsulation information. This can avoid impact on packet transmission after the second device modifies the identification information. |
US11811652B2 |
Packet flow management for quality of service (QOS) flows in a private 5G network
A user plane function (UPF) node may receive a packet for traffic associated with a user equipment (UE). During packet classification, the UPF node may identify that a packet filter for the packet is not found in a packet filter set of an existing Quality of Service (QoS) Flow. In response, the UPF node may configure the packet filter in the packet filter set of the QoS Flow based on a flow tuple of the packet. The UPF node may send, to a control plane function node, a message which indicates a request for adding the flow tuple to the QoS Flow. The message may be for triggering communication of a message which indicates a session modification command for receipt by the UE, for adding an uplink packet filter that is based on the flow tuple for the QoS Flow. |
US11811650B2 |
Systems and methods for user plane function (“UPF”) offload at configurable routing fabric
A system described herein may provide for the separation of functions associated with a User Plane Function (“UPF”) in a wireless network (e.g., a Fifth Generation (“5G”) network), such that routing devices associated with the wireless network may perform functionality that would otherwise be performed by virtualized hosts or other configurable resources. For example, routing components which form a backhaul or other portion of the network may process traffic according to a suitable set of policies (e.g., Quality of Service (“QoS”) policies, content filtering policies, queueing policies, and/or other policies) instead of transmitting such traffic to a UPF associated with the network core for processing. |
US11811647B2 |
Technique for dynamic discovery, update and propagation of multicast stream capabilities in a capability-aware network
Systems and methods provide for the dynamic discovery, update and propagation of multicast streams capabilities in a network. An endpoint can be coupled to a first hop router in a network environment. The first hop router can discover multicast flow characteristics information associated with the endpoint and propagate the multicast flow characteristics information of the endpoint to additional network nodes in the network environment. The first hop router and at least a portion of the additional network nodes can form one or more multicast flows associated with the endpoint through the network environment using the multicast flow characteristic information associated with the endpoint. |
US11811644B2 |
Distributed predictive routing using lightweight state tracking
In one embodiment, a device computes states of a network path associated with an online application by representing time series of telemetry data regarding the network path as discrete values. The device generates state trajectories from the states of the network path computed by the device. The device selects one or more sub-sequences of the state trajectories based on prediction performance metrics that represent how well the one or more sub-sequences are able to predict a failure condition of the network path. The device causes a networking entity to use the one or more sub-sequences of the state trajectories to perform predictive routing for the network path. |
US11811641B1 |
Secure network topology
A secure IGP topology or other link state topology can be implemented by a network security unit that runs in a centralized environment on servers separate from a network associated with the IGP topology. The network security unit acquires the topology information, such as by participating in IGP or through border gateway protocol with link state (BGP-LS). The network security unit detects possible network problems, such as indicators of potential network attacks. Once an indicator of a potential network attack is detected, the network security unit identifies the node that is compromised. Once the compromised node is identified, the network security unit can report the node for manual or automated intervention. In some aspects, the network security unit can isolate the compromised node by shutting down links connected to the compromised node. |
US11811639B2 |
Cloud agnostic service discovery
A system may include a processing device and a memory storing instructions that, when executed by the processing device, causes the processing device to discover one or more endpoints of a service in view of a name that is unique to the service. In response to receiving a request to resolve the name from a client, the processing device may obtain the one or more endpoints of that service in view of the name. The processing device may filter the one or more endpoints, in view of the name and return the one or more endpoints which are filtered, to the client. |
US11811636B2 |
Increasing throughput for multi-PHY networks
In one embodiment, a technique comprises monitoring data transfer over a radio frequency (RF) link between a first device and a second device in a mesh network where the second device is a descendent node and the first device is a parent node. The technique further transfers the data over a power link communication (PLC) when the RF link is inactive. The method also includes broadcasting, by the second device, RF link availability to at least a third device in the mesh network when the RF link with the first device is inactive where the third device has an active link with the second device and the third device is a descendent node of the second device. The method then includes communicating, between the second device and the third device, through the active RF link. |
US11811635B2 |
Network traffic migration method and apparatus
Embodiments of this application disclose a network traffic migration method and apparatus. The network traffic migration method includes: obtaining a bandwidth usage parameter value of each of M vBNG-UP network elements, where M is an integer greater than 1; when a bandwidth usage parameter value of a first vBNG-UP network element reaches a first threshold, determining a second vBNG-UP network element based on the sum of bandwidths occupied by to-be-migrated network traffic of one or more terminal devices in a first device group on the first vBNG-UP network element and a bandwidth usage parameter value of one or more vBNG-UP network elements in a vBNG-UP network element group; and migrating the to-be-migrated network traffic of the terminal devices in the first device group to the second vBNG-UP network element. |
US11811634B2 |
Method and apparatus for latency monitoring
A method of supporting latency monitoring in a network transporting traffic to and from a wireless base station. The method comprises, at a first node of the transport network determining a first timestamp representing a time at which a data element is received at the first node and adding information representative of the first timestamp to a communication signal which carries data for the wireless base station, the data including the data element. The method also comprises sending an indication of an association between the information representative of the first timestamp and the data element that the information representative of the first timestamp relates to. A method performed at a second node as well as apparatus for use at the first node and apparatus for use at the second node are also disclosed. |
US11811630B2 |
Managing a communications system based on software defined networking (SDN) architecture
Embodiments of the disclosure relate to managing a communications system based on software defined networking (SDN) architecture. An SDN controller is provided in the communications system to manage a wireless distribution system (WDS) and a local area network (LAN) based on SDN architecture. The SDN controller is communicatively coupled to a WDS control system in the WDS and a LAN control system in the LAN via respective SDN control data plane interfaces (CDPIs). The SDN controller analyzes a WDS performance report and a LAN performance report and provides a WDS configuration instruction(s) and/or a LAN configuration instruction(s) to the WDS control system and/or the LAN control system to reconfigure a WDS element(s) and/or a LAN element(s) to improve quality-of-experiences (QoEs) of the communications system. Monitoring and optimizing the WDS and the LAN based on a unified software-based network management platform can improve performance at reduced operational costs and complexity. |
US11811629B2 |
Synchronization of data collected by internet of things (IoT) devices
The present disclosure is directed to apparatus and methods that collect sensed data and that may organize that data such that it can be accessed by user devices or that can be organized and analyzed according to rules, conventions, or policies. Data collected by sensors or devices may be transmitted to a computer or server that stores that data. That stored data may then be analyzed to identify trends, events, or a chain of related events. In certain instances, an analysis of sets of raw data may result in the generation of a report or may result in alerts being sent to particular user devices. These sets of collected data, generated reports, and alert information may be stored and synchronized at one or more computing devices as data sets associated with a group of user devices or with a group of sensing devices. |
US11811627B2 |
Network traffic monitoring based on content data
A network monitoring device may receive, from a mediation device, flow-tap content data (generated by the mediation device based on current and/or previous investigation reports associated with flow tapping) that needs to be monitored. The network monitoring device may map the content data to a flow-tap content destination address of a content destination device in an entry of a flow-tap content filter. The network monitoring device may analyze, using the flow-tap content filter, network traffic of the network to detect a traffic flow that includes the content data. The network monitoring device may generate, based on successfully detecting a traffic flow that includes the content data, a traffic flow copy and may provide the traffic flow copy to the flow-tap content destination address, wherein the traffic flow copy is to be accessible to the content destination device to enable a context analysis of the content data. |
US11811626B1 |
Ticket knowledge graph enhancement
A computer-implemented method includes: extracting, by one or more processors, media data from an information technology ticket; extracting, by one or more processors, a plurality of data elements from the media data; and generating, by one or more processors, a ticket knowledge graph based on the plurality of data elements, wherein a node of the ticket knowledge graph represents a data element, and an edge between a first node and a second node in the ticket knowledge graph represents a correlation between a first data element represented by the first node and a second data element represented by the second node. |
US11811625B2 |
Method, apparatus, and computer program
Preference information is received at a network repository function from a first network function, the preference information indicating one or more optional preferences for a respective second network function or network function service. Information is provided to the first network function about one or more second network functions or network function services, the one or more second network functions or network function services being selected taking into account the preference information. |
US11811619B2 |
Emulating a local interface to a remotely managed storage system
Systems, methods, and computer readable storage mediums for emulating a local interface to a remotely managed storage system, including: receiving a request for remote access a storage system, wherein access is provided using a user interface (‘UI’); identifying, for a user profile, a version of the UI that is utilized when locally accessing the storage system; and presenting, a remote UI for the storage system, wherein a version of the remote UI matches the version of the UI that is utilized when the user locally accesses the storage system, wherein the remote UI provides read-only access to the storage system. |
US11811616B1 |
System and method for predicting anomalous requests and preventing anomalous interactions in a network
A system for predicting an anomalous request comprises a processor associated with a server. The processor is configured to parse a user profile from a plurality of user profiles to generate a first set of data objects associated with the first user profile. The processor is configured to compare the first set of the data objects to approved data and audit data to generate a second set of data objects with a set of anomalous data indicators for the first user profile. The processor is further configured to process the second set of the data objects through an anomaly learning model to determine a predictive degree of approval associated with the user profile. The processor is further configured to determine to approve, flag or disapprove the user profile based on the predictive degree of approval. The processor is further configured to assign a profile indicator to the user profile. |
US11811615B1 |
Systems and methods for dynamic modification of events based on bandwidth availability
Methods and systems are described herein for modifying scheduled events based on bandwidth availability. To modify the scheduled event, the system determines a plurality of user devices corresponding to an event. The system receives first network conditions for a first user device and generates a feature input based on the first network conditions. The system inputs the feature input into an artificial intelligence model to determine a first available bandwidth metric and aggregates the first available bandwidth metric with respective available bandwidth metrics for other user devices of the plurality of user devices to determine a composite available bandwidth metric. The system can compare the composite available bandwidth metric to a threshold available bandwidth metric and in response to determining that the composite available bandwidth metric equals or exceeds the threshold available bandwidth metric, the system generates for display, on a user device interface, a recommendation for modifying the event. |
US11811610B2 |
Method and apparatus for holistic rendering of cloud network configuration
The present is directed to systems, methods, and devices for holistic rendering of cloud network configuration. The method can include receiving data characterizing a plurality of devices in a computing network. The method can include generating with the inventory processor a data file characterizing each of the plurality of devices in the computing network. This data file can be generated based on the received data and on a set of static overrides. The method can include generating a configuration file for each of the plurality of devices in the computing network via iterative selection and application of templates to portions of the data file. |
US11811609B2 |
Storage target discovery in a multi-speed and multi-protocol ethernet environment
In one embodiment, a method includes determining at least one characteristic of a plurality of ports on an individual basis. The plurality of ports are hosted by a target system and configured to send and receive data. The method also includes creating port groupings, each port grouping including one or more of the plurality of ports. Ports are grouped together in a single port grouping based on at least one shared characteristic of individual ports in the single port grouping. In addition, the method includes receiving, from an initiator port, a target discovery request at a target port of the plurality of ports. Also, the method includes determining which particular port grouping the target port belongs to. Moreover, the method includes sending information about all ports in the particular port grouping to the initiator port in response to receiving the target discovery request from the initiator port. |
US11811608B2 |
Network slicing in radio interface
This document discloses a solution for addressing network slices in a radio interface between a station and an access node. According to an aspect, the station is granted access to a network slice and, when transmitting a data frame of the network slice, the network slice is identified in the data frame by a medium access control address of the data frame. |
US11811603B2 |
Discovering and grouping application endpoints in a network environment
An example method for discovering and grouping application endpoints in a network environment is provided and includes discovering endpoints communicating in a network environment, calculating affinity between the discovered endpoints, and grouping the endpoints into separate endpoint groups (EPGs) according to the calculated affinity, each EPG comprising a logical grouping of similar endpoints for applying common forwarding and policy logic according to logical application boundaries. In specific embodiments, the affinity includes a weighted average of network affinity, compute affinity and user specified affinity. |
US11811601B2 |
Predictive pipeline analytics for a network management system
A controller device includes a memory and one or more processors coupled to the memory. The memory stores instructions that, when executed, cause the one or more processors to receive a query indicating a first time and a network service, determine a first set of configuration elements using telemetry data associated with the first time and the network service, and determine a second set of configuration elements using an intent model. The instructions further cause the one or more processors to determine one or more first metrics that occur at the first time using the first set of configuration elements and the second set of configuration elements, determine one or more second metrics at a second time using telemetry data received from the plurality of network devices, and generate data representing a user interface presenting the one or more first metrics and the one or more second metrics. |
US11811592B2 |
Automatic generation and modification of contact streams via machine-learning analytics
In some embodiments, a contact stream is generated or modified based on configuration data received from a machine-learning model. Multiple contact items are selected for a contact stream, to be delivered to a user device via electronic communication channels. In addition, a success metric is identified indicating an engagement with the contact stream or an action performed following the engagement. A machine-learning model is applied to the contact items, where the machine-learning model is trained to identify relationships among actions in an online environment and configuration parameters that control delivery of contact streams. The machine-learning model provides an output indicating configuration data or a success probability for the contact stream. The configuration data includes configuration parameter values computed by the machine-learning model for achieving the identified success metric. The success probability indicates a probability computed by the machine-learning model for achieving the identified success metric. |
US11811589B1 |
Software defined storage aware hardware accelerated NVMe initiator service
An information handling system in an infrastructure-as-a-service (IaaS) system includes a memory for storing code and a processor to execute code to instantiate an IaaS NVMe orchestrator. The IaaS NVMe orchestrator establishes a first fabric link with a first target NVMe array of storage resources of the IaaS, establishes a second fabric link with a second target NVMe array of the storage resources, and establishes a first session on the storage resources. The first session includes a first namespace on the first target NVMe array and a second namespace on the second target NVMe array. The first and second namespaces are mirrored namespaces. The IaaS NVMe orchestrator further determines that the first fabric link has failed, and establishes a third fabric link with the first target NVMe array in response to determining that the first fabric link has failed. |
US11811582B2 |
Cluster computing
In some embodiments, a computer cluster system comprises a plurality of nodes and a software package comprising a user interface and a kernel for interpreting program code instructions. In certain embodiments, a cluster node module is configured to communicate with the kernel and other cluster node modules. The cluster node module can accept instructions from the user interface and can interpret at least some of the instructions such that several cluster node modules in communication with one another and with a kernel can act as a computer cluster. |
US11811577B2 |
Method for estimating characteristics of an impulse radio ultra-wideband signal transmitted by a plurality of antennas
A method is provided for estimating at least one characteristic of a signal received by a receiver, the signal having been transmitted in succession by a plurality of antennas in successive time segments, each segment being dedicated to one separate antenna, the signal being modulated into the form of pulses according to ultra-wideband modulation. The method includes steps of: receiving and digitizing the signal, computing the product of multiplication of each symbol of the received signal by the complex conjugate of the corresponding transmitted symbol, for each segment and for each symbol of the signal received for this segment, estimating a phase error by means of a phase-locked loop applied to the product, for each segment, determining a reference phase by means of a linear regression applied to the phase errors estimated for all of the segments, determining, for at least one pair of antennas, a phase difference between the signals transmitted by the antennas of the pair, on the basis of the difference between the reference phases computed for the segments associated with the antennas. |
US11811575B2 |
Adaptive radio frequency communication
There is set forth herein, in one embodiment, receiving, by a transceiver of a UE device an aggregate signal stream, the aggregate signal stream including an aggregate of base station downlink signal streams from a plurality of base stations; processing the aggregate signal stream and detecting, from the processing of the aggregate signal stream, a set of base stations in communication range of the UE device, wherein the set of base stations include a current serving base station and a scanning base station; determining, from the processing of the aggregate signal stream, a Doppler shifted center frequency of a downlink scanning signal stream received from the scanning base station; and enhancing, in dependence on the Doppler shifted center frequency, the downlink scanning signal stream associated to the scanning base station. |
US11811572B2 |
Systems and methods for multi-carrier or multi-band low-PAPR precoding that handle cyclic prefix
Systems and methods are disclosed herein that relate to Peak-to-Average Power Ratio (PAPR) reduction in a MIMO OFDM transmitter system. In some embodiments, a method of operation of a transmitter system includes, for each carrier of two or more carriers, performing precoding of frequency-domain input signals for the carrier to provide frequency-domain precoded signals for the carrier, the frequency-domain input signals for the carrier being for a plurality of transmit layers for the carrier, respectively. The method further includes processing the two or more pluralities of frequency-domain precoded signals for the two or more carriers, respectively, in accordance with a multi-carrier processing scheme to provide a plurality of multi-carrier time-domain transmit signals for a plurality of antenna branches, respectively, of the MIMO OFDM transmitter system. The multi-carrier processing scheme provides PAPR reduction for Cyclic Prefixes (CPs) of the plurality of multi-carrier time-domain transmit signals for the plurality of antenna branches. |
US11811571B2 |
Resource allocation for peak reduction tones
Wireless communication techniques that include techniques for allocating resources for peak reduction tones are discussed. A UE may receive from a base station an indication of one or more frequency resources that are allocated for uplink communication. The UE may also receive from the base station an indication of a subset of the one or more frequency resources allocated for uplink communication that are also allocated for transmission of one or more peak reduction tones. The UE may transmit to the base station at least one peak reduction tone on at least one frequency resource of the subset of the one or more frequency resources. Other aspects and features are also claimed and described. |
US11811567B1 |
Serial data receiver with decision feedback equalizer with feed forward technique
A serial data receiver is disclosed. In one embodiment, a receiver includes an amplifier circuit configured to receive one or more signals that encode a serial data stream that includes a plurality of data symbols and to perform a comparison of the one or more signals to a threshold value to generate a recovered data symbol. The receiver circuit further includes a threshold circuit configured to generate a delayed version of the one or more signals. The threshold circuit is further configured to generate a delayed data symbol using the delayed version of the one or more signals and adjust the threshold value using the delayed data symbol. |
US11811565B1 |
Demodulation using two modulation schemes in 5G and 6G
Amplitude noise, phase noise, and interference can be mitigated in 5G and 6G by exploiting advantages of two different modulation schemes. A message may be modulated according to a first modulation scheme, such as multiplexed amplitude and phase modulation, and then received (including noise and interference) according to a second modulation scheme, such as QAM (quadrature amplitude modulation). In addition, a compact demodulation reference can be transmitted wherein a first resource element exhibits a particular phase along with a maximum and a minimum branch amplitude, and a second resource element is blank. The receiver calibrates the amplitude levels according to the demodulation reference, calculates the phase noise according to a ratio of the two branch amplitudes, and measures the interference according to the unpowered (blank) second resource element. The receiver can then demodulate the message according to the second modulation scheme, while correcting for phase noise, fading, and interference. |
US11811564B2 |
Methods and systems of differential-signal receivers
Differential-signal receivers. One example is a method of operating a differential-signal receiver, the method comprising: receiving a first differential signal on a differential-signal pair, the first differential signal accompanying a common-mode voltage that is positive relative to a reference voltage of the differential-signal receiver; clamping, when the first differential signal is positive, an OUT+ node at a first voltage; and clamping, when the first differential signal is negative, the OUT− node at a second voltage. |
US11811563B2 |
Analog channel estimation techniques for beamformer design in massive MIMO systems
Novel channel estimation techniques that can be performed solely in the analog domain are provided. The techniques use continuous analog channel estimation (CACE), periodic analog channel estimation (PACE), and multiantenna frequency shift reference (MAFSR). These techniques provide sufficient channel knowledge to enable analog beamforming at the receiver while significantly reducing the estimation overhead. These schemes involve transmission of a reference tone of a known frequency, either continuously along with the data (CACE, MAFSR) or in a separate phase from data (PACE). Analysis of the methods show that sufficient receiver beamforming gain can be achieved in sparse channels by building the beamformer using just the amplitude and phase estimates of the reference tone from each receiver antenna. |
US11811554B2 |
Mobile application gateway for connecting devices on a cellular network with individual enterprise and data networks
A mobile application gateway for connecting devices on a cellular network with individual networks, such as enterprise voice and data networks and/or residential networks. The effects of the present invention are far reaching in terms of transferring effective call control from the cellular network into the control of the individual network such as the enterprise, and enabling new business models for the purchase of cellular service from a public cellular carrier by an enterprise. The invention may consist of a primarily of core network and services components based on the IMS network architecture, and is backward compatible to support legacy systems in place in current telecom and data networks. |
US11811551B2 |
Sleep signaling handshake for ethernet
A first communication device performs a handshaking procedure with a second communication device, the handshaking procedure associated with transitioning from an active mode to a low power mode. The first communication device transmits data and/or idle symbols to the second communication device i) after completion of the handshake procedure, and ii) at least until the earlier of a) a time period expiring, and b) determining that the second communication device quieted a transmitter of the second communication device. The first communication device transitions to the low power mode in connection with the handshaking procedure. |
US11811549B2 |
Load control system having audio output devices
A control system may comprise a plurality of audio output devices (e.g., controllable speakers), and a remote control device having at least one button for selecting a preset, where the preset defines different commands for at least two of the audio output devices. The at least two audio output devices may be configured to be controlled according to the different commands (e.g., starting, pausing, or stopping playback, adjusting volume, etc.) in response to an actuation of the button of the remote control device. The control system may also comprise a load control device, such as a dimmer configured to control an intensity of a lighting load to a predetermined intensity in response to the actuation of the button of the remote control device to select the preset. The audio output device may be configured to play a feedback signal indicating an operational characteristic of the dimmer. |
US11811548B2 |
System and method for appliance configuration identification and profile management
A new approach is proposed to support appliance configuration identification and profiling management. An appliance scanning component running on an appliance is configured to scan, examine, and determine current configuration of the appliance including hardware components and/or software components installed on the appliance. The configuration of the appliance is then provided to an appliance profiling engine running on a server, wherein the appliance profiling engine hashes the configuration of the appliance into a unique identifier of the appliance and look up a model of the appliance from an appliance profiling database using the unique identifier as a key. If the configuration of the appliance is not found, the appliance profiling engine identifies discrepancies between the configuration of the appliance and other appliances in the appliance profiling database to determine if the appliance is a new model, a revision of an existing model, or is simply misconfigured. |
US11811536B2 |
HARQ feedback
There is disclosed a receiving radio node in a wireless communication network, the method including transmitting feedback signaling based on a received control information message scheduling multiple separate data transmission for reception by the receiving radio node. The disclosure also pertains to related devices and methods. |
US11811534B2 |
Feedback method for repetitive uplink transmission in communication system
Feedback methods for repetitive uplink transmissions in a communication system are disclosed. An operation method of a terminal may comprise receiving DL data #1 from a base station through a DL data channel #1; receiving DL data #2 from the base station through a DL data channel #2; and when each of a UL control channel #1 on which an HARQ response #1 for the DL data #1 is to be transmitted and a UL control channel #2 on which an HARQ response #2 for the DL data #2 is to be transmitted overlaps with a UL data channel assigned by the base station, transmitting the HARQ response #1 and the HARQ response #2 to the base station through the UL data channel. Therefore, the performance of the communication system can be improved. |
US11811533B2 |
Frame acknowledgement method
In order to acknowledge uplink frames transmitted from end devices to server equipment, the server equipment allocates the end devices to groups and to subgroups. The addresses of the end devices are constructed so as to identify the groups and subgroups to which said end devices belong. The server equipment carries out mass acknowledgements by group, by broadcasting a message wherein each subgroup of said group is associated with the same item of information acknowledging, or not, said uplink frames of all the end devices of said subgroup. The mass acknowledgement further includes information representing an estimated instant of next transmission of a mass acknowledgement for said group. The server equipment acknowledges, in unicast mode, the uplink frames received that have not been acknowledged by the mass acknowledgement. |
US11811528B2 |
Polar code encoding method and apparatus in wireless communications
This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Nmax polarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K≤N, Nmax=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels. |
US11811527B2 |
Detecting control information communicated in frame using a neural network
There is provided a solution for employing a neural network in a radio receiver. According to an aspect, a method comprises: acquiring, from a received frame, a set of samples associated with a position of a control information element in the frame; inputting the set of samples to nodes of an input layer of a neural network, the input layer having the same number of nodes as a number of samples in the set of samples; processing the set of samples in the neural network that has been trained, before receiving the set of samples, to decode one or more determined values of the control information element and to detect discontinuous transmission; outputting, in an output layer of the neural network, an indicator indicating a decoded value of the control information element comprised in the set of samples or an indicator indicating the discontinuous transmission. |
US11811523B2 |
Device-side validation of screen recordings
Device-side validation of screen recordings is disclosed, including: accessing a screen recording of a user's activities on a client device with respect to a task; performing, at the client device, video validation on the screen recording, including by identifying a characteristic marker associated with the task within the screen recording; and in response to the characteristic marker being identified, sending at least a portion of the screen recording to a compressed version of the screen recording to a server for further processing. |
US11811520B2 |
Making security recommendations
Embodiments are disclosed for a method. The method includes determining multiple recommended actions based on a security incident using an action model trained to make recommendations. The method also includes determining multiple similar targets to a target of the security incident using a collaborative filtering model trained to assign a confidence value of similarity between two targets. The method further includes assigning a plurality of weights to the recommended actions based on one or more actions taken by the similar targets and the confidence value, and a success or failure of the recommended actions. Additionally, the method includes generating a prioritized list of the recommended actions that is sorted based on the assigned weights. |
US11811514B2 |
Method, electronic device, and computer program product for request controlling
Embodiments of the present disclosure relate to a method, an electronic device, and a computer program product for request controlling. The method includes determining, in response to receiving a request for computing resources, a first control window including a plurality of control time slots, the request being received in a receive time slot of the plurality of control time slots. The method further includes determining a quantity of available computing resources within the first control window according to a position of the receive time slot in the plurality of control time slots. The method further includes processing the request within the first control window if the quantity of available computing resources does not exceed a threshold. The method can improve the capability of controlling requests for computing resources, and reduce congestion caused by a large number of requests exceeding the load of computing resources. |
US11811509B2 |
Upstream multicast hop (UMH) extensions for anycast deployments
An example egress network device includes at least one computer processor and a memory. The memory includes instructions that cause the at least one computer processor to receive messages from each of a plurality of ingress network devices. Each message specifies a multicast source as an anycast address that belongs to two or more sources, a multicast group, and a customer site identifier that uniquely identifies a customer network device via which the anycast address is reachable. The instructions cause the at least one computer processor to select, based on the customer site identifiers, one of the plurality of ingress network devices to which to send a multicast join message of a plurality of multicast join messages for the multicast source and multicast group. The instructions cause the at least one computer processor to send the multicast join message to the selected one of the plurality of ingress network devices. |
US11811507B1 |
Adaptive digital radio frequency memory for coherent response synthesis
A programmable radio frequency (RF) memory system includes a receiver designed to receive an RF pulse, a memory, a waveform transform module, and a transmitter. The memory stores a digitized version of the RF pulse. The waveform transform module is designed to determine one or more characteristics of the digitized version of the RF pulse, and based on the determined one or more characteristics, transform the digitized version of the RF pulse into a transformed signal. The transformed signal has at least one characteristic that is different than the one or more characteristics. The transmitter is designed to transmit an analog equivalent of the transformed signal. The analog equivalent of the transformed signal and the received RF pulse are coherent. |
US11811506B2 |
Application of key exchange based physical layer security methods
A method making modifications during a key phase of physical layer security methods and enabling the physical layer security methods to be applicable in a wireless communication is provided. The method includes a step of generating a K common key, including steps to be carried out at a modulator during a data transmission phase. |
US11811504B2 |
RPD UCD refresh for timestamp recovery
Present disclosure describes the techniques for regaining synchronization between the RPD and the PTP server, without resetting RPD, in the event of run time-phase jump experienced at RPD. To do so, said technique discloses identifying a run time phase jump event at a remote Physical device (RPD) and initiating an Upstream Channel Descriptor (UCD) refresh procedure to reconnect the RPD with Precision Time Protocol (PTP) server. |
US11811503B2 |
Method and apparatus for switching clock sources
A method for switching clock sources is provided. In the method, Precision Time Protocol, PTP, packets are monitored using each of PTP ports which connect to a new grandmaster (401). A frequency and a phase for the PTP port are calculated based on the PTP packets (402). In response to a successful check for the frequency and the phase, the PTP port is added to a candidate list (403). A phase calibration and a phase stability check may be introduced prior to the alternate BMCA. |
US11811498B2 |
Methods and apparatus for feedback control of mode MUX and DEMUX
Aspects of the disclosure provide for methods and systems for feedback control of mode MUX and DEMUX. An aspect of the disclosure provides for a method associated with a mode MUX. The method includes modulating each WDM signal of a first set of WDM signals with a pilot tone of different frequency. The method further includes spatially multiplexing the first set of WDM signals to generate a multi-mode signal. The method further includes detecting the pilot tones from the multi-mode signal. The method further includes tuning the mode MUX based on the detecting. Another aspect of the disclosure provides for a method associated with a mode DEMUX. The method includes spatially demultiplexing a multi-mode signal into a set of WDM signals. The method further incudes detecting pilot tones from the set of WDM signals and tuning the mode DEMUX based on the detecting. |
US11811495B2 |
Method for sending synchronization signal by relay node, and apparatus
A method for sending a synchronization signal in a relay system, and the method includes receiving, by a relay node, synchronization signal information sent by a parent node through an air interface, where the synchronization signal information comprises at least one of a subcarrier spacing of a synchronization signal, information about an operating frequency band of the relay node, information about a physical broadcast channel of the relay node, a synchronization signal periodicity, or indication information of a synchronization signal obtaining manner, and sending, by the relay node, the synchronization signal based on the synchronization signal information. |
US11811493B2 |
Coordinated access to a satellite link using data profiles
Apparatuses, methods, and systems for coordinated access to a wireless link through data profiles are disclosed. One method includes receiving through the wireless link, by each hub associated with a base station, one or more data profiles from a network management element, receiving, by each hub, data from data sources associated with the hub, controlling, by each hub, a timing of communication of the data for each of the data sources from the hub to the base station through the wireless link based on the one or more data profiles, allocating preamble codes to each of the data sources, wherein different preamble codes are allocated to different data sources of different hubs that report within a margin of time of each other, and including the allocated preamble codes with the data of each of the data sources. |
US11811491B2 |
Non-terrestrial network satellite beam switching
A method and apparatus for non-terrestrial network beam switching is provided. A non-terrestrial network base station includes a transmitter configured to transmit downlink data to user equipment and a receiver configured to receive uplink data from the user equipment. A channel bandwidth of the non-terrestrial network base station is divided into a plurality of bandwidth parts respectively corresponding to a plurality of geographic areas, and each bandwidth part is respectively associated with a satellite beam. When the user equipment is located in a first geographic area, the transmitter transmits the downlink data to the user equipment over a corresponding first bandwidth part. After the user equipment transitions from the first geographic area to a second geographic area, the transmitter transmits the downlink data to the user equipment over a corresponding second bandwidth part of the plurality of bandwidth parts. |
US11811486B2 |
System and methods to provide aerial backhaul connectivity to terrestrial base stations
Aspects of the subject disclosure may include, for example, a device detecting a disruption in a backhaul network and connecting to an aerial device to establish an alternate backhaul connection. The device may incorporate all or a portion of a terrestrial base station and may tilt one or more antenna beams skyward to search for the aerial device. The device may then relay communications from user equipment to the aerial device. Other embodiments are disclosed. |
US11811483B2 |
Techniques for a UE to request sounding reference signal resources and a base station to convey UE side beam weights
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit, to a base station, a request for uplink reference signal resources for a beam training procedure. The UE may receive, in response to the transmitted request, control signaling identifying the uplink reference signal resources for the beam training procedure. The UE may transmit, using a set of multiple of beams, reference signals on the identified uplink reference signal resources and receive, in response to the transmitted reference signals, an indication of beam parameters for a beam at the UE. The UE may communicate with the base station using the beam at the UE according to the beam parameters. |
US11811481B2 |
Beam training method and device, communication system
Disclosed are beam training methods and devices. A beam training method includes: a transmitting end determining a first mapping relationship between BPL identifiers and transmission beams; the transmitting end configuring a first reference signal resource for a receiving end, and transmitting configuration information of the first reference signal resource to the receiving end, the configuration information carrying a first BPL identifier; the transmitting end determining a first transmitting beam according to the first mapping relationship; the transmitting end transmitting a reference signal to the receiving end, by using the first transmitting beam within the first reference signal resource, so that the receiving end receives the reference signal on the first reference signal resource, performs a measurement for the reference signal, and updates a first receiving beam corresponding to the first BPL identifier in a second mapping relationship according to a measurement result for the reference signal. |
US11811479B2 |
Integrated circuit
A transmission apparatus includes M signal processors that respectively generate modulated signals directed to M reception apparatuses, M being an integer equal to or greater than 2, and an antenna section. Each signal processor modulates a first bit sequence made up of two bits to generate a first modulated signal and a second modulated signal, and modulates a second bit sequence made up of other two bits to generate a third modulated signal and a fourth modulated signal, in a case of transmitting multiple streams to a corresponding one of the M reception apparatuses. The antenna section includes a first antenna that transmits the first modulated signal and the third modulated signal and a second antenna that transmits the second modulated signal and the fourth modulated signal. At least either the signals transmitted from the first antenna or the signals transmitted from the second antenna are phase-changed signals. |
US11811478B2 |
Method for transmitting and receiving phase tracking reference signal between terminal and base station in wireless communication system, and device for supporting same
The present invention provides a method for receiving, by a terminal, a downlink phase tracking reference signal from a base station in a wireless communication system, and a device for supporting the same. According to an embodiment applicable to the present invention, a terminal may receive, from a base station, a phase tracking reference signal on the basis of the number of phase tracking reference signal ports, which is determined on the basis of different methods, according to whether transmission configuration indication (TCI) state-related information exists in received downlink control information. Further, the base station may transmit the phase tracking reference signal to the terminal accordingly. |
US11811475B2 |
Method and access network node for beam control
A method and an access network node are disclosed for beam control. According to an embodiment, the access network node determines first spatial domain information of a channel between a first terminal device and the access network node, based on second spatial domain information of the channel estimated by uplink signals received previously from the first terminal device at multiple time points. The access network node determines beamforming weights for the first terminal device based on the first spatial domain information. |
US11811474B2 |
Indicating a predicted angle of departure
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first network node may receive a signal. The first network node may transmit an angle of departure (AoD) report that indicates at least one predicted AoD associated with a dominant channel cluster, wherein the at least one predicted AoD is based at least in part on the signal. Numerous other aspects are described. |
US11811464B2 |
Probabilistic estimation report
Certain aspects of the present disclosure provide techniques for providing a probabilistic feedback parameter. One example method for wireless communication may be performed by a first wireless node. The method generally includes generating a feedback message indicating a probabilistic estimate comprising a plurality of feedback parameter values and a plurality of value probabilities, wherein each value probability is associated with one feedback parameter value of the plurality of feedback parameter values, and transmitting the feedback message to a second wireless node. |
US11811463B2 |
Speaker output fault monitoring
An example process includes receiving a voltage input and a current input associated with one or more audio signals, bandpass filtering the voltage input and the current input, determining a root means square of the bandpass filtered portion, dividing the determined root means square of the voltage by the root means square of the current to identify an impedance value, and determining whether a fault has occurred based on the impedance value. |
US11811462B2 |
Base station location and orientation computation procedure
Techniques are provided for utilizing network positioning protocols to perform a base station location and orientation computation procedure. An example method of determining an orientation of a base station antenna with a network server includes receiving measurement values from a base station based on uplink reference signals transmitted by a plurality of reference location devices, obtaining location information for the plurality of reference location devices, and determining the orientation of the base station antenna based on the measurement values and the location information. |
US11811459B1 |
In-service characterization of nonlinear interference on a per-span basis
System and methods of measuring nonlinear interference (NLI) on a per-span basis in an optical system with a plurality of spans are provided. The method includes steps of varying power based on phase sensitive detection method on a span under test of the plurality of spans; observing total noise, at an optical receiver, from all of the plurality of spans; and isolating noise for the span under test from the total noise based on the varying power. The optical system can be in-service with one or more traffic-carrying channels, and the varying power is small enough on the span under test which does not impact the one or more traffic-carrying channels. |
US11811455B2 |
Device and method for processing an optical signal
Device and method for processing an optical signal. The device includes a photonic device arranged between a first input/output and second input/output and optically communicating with the inputs/outputs by a signal path for transmission of an optical signal in a first or second direction between the first input/output and second input/output. The device includes an optical gain element for amplifying the optical signal. The device includes a path switching circuit including a first signal amplification path connectable between the first input/output and the photonic device for optically coupling the signal path to and from the optical gain element, and a second signal amplification path connectable between the photonic device and the second input/output for optically coupling the signal path to and from the optical gain element. The path switching circuit selectively connects the first or second signal amplification path into the signal path. |
US11811451B2 |
System and method for operating at least one LED unit of a lighting grid comprising a plurality of LED units
The present invention pertains to a system and method for operating at least one LED unit of lighting grid comprising a plurality of LED units, wherein the LED units are configured to transmit a VLC signal including a code word. A plurality of user equipment devices captures the light transmitted by the LED unit and determines parameters related to the light, such as a VLC quality parameter, flicker value, light intensity parameter and light colour parameter. Based on these parameters, a controller determines control parameters for the LED unit. As such, a feedback loop is created wherein the LED unit is controlled based on measurements with the user equipment devices. |
US11811450B2 |
High speed bidirectional optical time-domain reflectometer (OTDR)-based testing of device under test
In some examples, high speed bidirectional OTDR-based testing may include transmitting data from a first end of a device under test (DUT) towards an optical time-domain reflectometer (OTDR) that is operatively connected to a second opposite end of the DUT. Further data that is transmitted by the OTDR may be received from the second opposite end of the DUT towards the first end of the DUT. Based on an amplitude of the further data, a direction of receiving of the further data may be adjusted towards a first receiver or towards a second receiver. |
US11811449B2 |
High speed bidirectional optical time-domain reflectometer (OTDR)-based testing of device under test
In some examples, high speed bidirectional OTDR-based testing may include transmitting data from a first end of a device under test (DUT) towards an optical time-domain reflectometer (OTDR) that is operatively connected to a second opposite end of the DUT. Further data that is transmitted by the OTDR may be received from the second opposite end of the DUT towards the first end of the DUT. Based on an amplitude of the further data, a direction of receiving of the further data may be adjusted towards a first receiver or towards a second receiver. |
US11811447B2 |
Multiplexer
A multiplexer includes a band pass filter configured to pass a signal in a predetermined frequency band between a first terminal and a common terminal connected to an antenna, and a band elimination filter configured to attenuate a signal in the predetermined frequency band between a second terminal and the common terminal and includes resonators connected in series with a line between the second terminal and the common terminal. The resonators include a first resonator having a lowest resonant frequency and a second resonator disposed on a side of the common terminal from the first resonator. |
US11811444B1 |
Universal flotation devices for portable phone
Devices, buoys, kits, systems and methods for preventing small objects, such as but not limited to portable phones, money and keys from sinking in the water. A foam block buoy molded about a t-shaped plastic insert with an eyelet in a stem extending therefrom for attaching to a tether line. A phone foldable ring stand can be included with a peel and stick backing for being attached to a portable phone, that is attachable to the end of the tether line, wherein the float prevents the portable phone from sinking and becoming lost in water. A dry bag can be included to also be attachable to the tether line for keeping items from becoming wet and damaged. Additionally, a battery powered fishing lure, can be attached to the float or the line to allow the float buoy to be found in the dark. |
US11811442B2 |
Apparatus for receiver using multiple modulation schemes and associated methods
An apparatus includes a radio-frequency (RF) receiver for receiving RF signals. The RF receiver includes a plurality of modulation signal detectors (MSDs) to generate a plurality of detection signals when a plurality of RF signals modulated using a plurality of modulation schemes are detected. The RF receiver further includes a controller to cause reception of the plurality of RF signals in response to the plurality of detection signals. |
US11811441B2 |
Interference mitigation based on antenna system phase distribution
A method of interference mitigation may include receiving a desired signal from an asset of the system at an antenna assembly and associating the desired signal with relative phase distribution information based on a relative location of origin of the desired signal where the relative phase distribution information is predetermined for the antenna assembly. The method further includes receiving an interfering signal and associating the interfering signal with relative phase distribution information based on a relative location of origin of the interfering signal where the desired signal and the interfering signal forming a received signal set. The method further includes normalizing signals of the received signal set to respective relative phases associated with each respective relative location of origin, and performing interference cancellation of the interfering signal based on the normalized signals. |
US11811440B2 |
System and method for cancelation of internally generated spurious signals in a broadband radio receiver
Lossless digital cancelation of internally generated spurious products within a signal receiver system is provided. In embodiments, the receiver system generates reference frequencies corresponding to internal components within the receiver (e.g., mixers, oscillators, clocks, analog-digital converters (ADC)) that introduce spurious products into the digitization of a received RF signal. The receiver system precisely duplicates each introduced spurious product based on the reference frequencies and filters out each corresponding spurious product out of the digitized signal. Individualized canceler circuits for each introduced spurious product adjust the corresponding duplicate spurious products to cancel out the introduced spurious product from the digitized signal, resulting in an output signal free of self-generated interference. |
US11811439B2 |
Millimeter wave (MMWAVE) system and methods
A mobile communication device that is configured to cancel interference within received millimeter wave band signals. The device includes a receiver circuit that is configured to receive a millimeter wave band signal, adjust gain provided to the millimeter wave band signal at a first amplifier, cancel interference in millimeter wave band signal after gain is adjusted by the first amplifier, and adjust gain provided to the millimeter wave band signal at a second amplifier after interference is cancelled. |
US11811438B2 |
Systems and methods for magnitude and phase trimming
Systems and methods for magnitude and phase trimming are provided. In one aspect, a radio frequency (RF) trimmer circuit includes an input terminal configured to receive an RF signal, an output terminal configured to output the RF signal, a control input configured to receive a control signal, at least one impedance element, and at least one transistor configured to selectively connect the impedance element onto a path between the input and output terminals. The selectively connecting the impedance element controls at least one of a magnitude trim and a phase trim of the RF signal. |
US11811437B2 |
Selective satellite signal measurement
A satellite signal method includes: receiving a satellite signal at an apparatus; transmitting, from the apparatus, one or more outbound signals; and inhibiting processing, by the apparatus, of at least a first portion of the satellite signal spanning a first frequency set that includes at least a portion of an interference signal corresponding to transmission of the one or more outbound signals. |
US11811428B2 |
System and method for data compression using genomic encryption techniques
A system and method for data compression with genomic encryption, which uses frequency analysis on data blocks within an input data stream to produce a prefix table, representing a first layer of transformation, and which applies a Burrow's-Wheeler transform (BWT) to the data inside the prefix table, representing a second layer of transformation, and which compresses the transformed data. In some implementations, the system and method may further include applying the BWT to a conditioned stream of genomic data, wherein the conditioned stream of genomic data is accompanied by an error stream comprising the differences between the original data and the encrypted data. |
US11811424B2 |
Fixed weight codewords for ternary memory cells
Methods, systems, and devices for fixed weight codewords for ternary memory cells are described. A memory device may generate a codeword from a set of data bits and invert a portion of the codeword so that the codeword is associated with a target distribution of programmable states. After inverting the portion of the codeword, the memory device store the codeword in a set of ternary cells according to a coding scheme. The memory device may read the codeword from the set of ternary cells and select one or more reference voltages for the set of ternary cells based on the target distribution for the codeword and the states of the ternary cells. |
US11811423B2 |
Optimized implementation of (DE−)interleaving and rate (DE−)matching for 3GPP new radio
Apparatuses and methods are disclosed for a communication device associated with a wireless transmission. In one embodiment, a method includes performing one of a low-density parity check, LDPC, decoding process and an LDPC encoding process by loading a set of bits, in parallel, into a plurality of registers, the set of bits being distributed among the plurality of registers; one of de-interleaving and interleaving the loaded set of bits within the plurality of registers by rearranging the loaded set of bits into one of a de-interleaved and an interleaved set of bits; and after the set of bits is rearranged into the one of the de-interleaved and the interleaved set of bits within the plurality of registers, writing the one of the de-interleaved and the interleaved set of bits, in parallel, from the plurality of registers to memory. |
US11811421B2 |
Weights safety mechanism in an artificial neural network processor
Novel and useful system and methods of several functional safety mechanisms for use in an artificial neural network (ANN) processor. The mechanisms can be deployed individually or in combination to provide a desired level of safety in neural networks. Multiple strategies are applied involving redundancy by design, redundancy through spatial mapping as well as self-tuning procedures that modify static (weights) and monitor dynamic (activations) behavior. The mechanisms address ANN system level safety in situ, as a system level strategy tightly coupled with the processor architecture. The NN processor incorporates several functional safety concepts that function to detect and promptly flag and report an error with some mechanisms capable of correction as well. The safety mechanisms cover data stream fault detection, software defined redundant allocation, cluster interlayer safety, cluster intralayer safety, layer control unit (LCU) instruction addressing, weights storage safety, and neural network intermediate results storage safety. |
US11811420B2 |
Digital-to-analog converter with cascaded least significant bit (LSB) interpolator circuit
A digital-to-analog converter (DAC) for converting a digital input word to an analog output signal includes a string DAC, a first interpolator and a second interpolator. The string DAC outputs a first voltage and a second voltage in response to M most significant bits of the digital input word. The first interpolator interpolates between the first and second voltages in response to middle Q least significant bits of the digital input word and provides a first interpolated voltage. The second interpolator interpolates between the first interpolated voltage and the second voltage in response to lower P least significant bits of the digital input word. |
US11811417B1 |
Coupling harness with orientation detection and logic correction
A coupling harness, including a coupling clamp, for capturing a coupled signal from signal lines is provided. The coupling harness has an orientation detector that determines whether the coupled signal needs to be complemented based on an orientation of the coupling clamp relative to the signal lines. A logic corrector complements the coupled signal based on an output of the orientation detector. Advantageously, signals may be coupled correctly from signal lines regardless of the orientation of the coupling clamp. |
US11811407B2 |
Manufacturing method of an input circuit of a flip-flop
A manufacturing method of an input circuit of a flip-flop including: depositing a first gate strip, a second gate strip, a third gate strip, and a fourth gate strip, wherein a distance between the first and second gate strips, a distance between the second and third gate strips, and a distance between the third and fourth gate strips equal; executing a cut-off operation upon the first gate strip to generate a first first gate strip and a second first gate strip; executing a cut-off operation upon the third gate strip to generate a first third gate strip and a second third gate strip; and directing a first signal to the first first gate strip and the second third gate strip, and a second signal to the second first gate strip and the first third gate strip. |
US11811403B2 |
Clock counter, method for clock counting, and storage apparatus
Embodiments relate to a clock counter, a method for clock counting, and a storage apparatus. The clock counter includes a clock frequency-dividing circuit, a plurality of counting circuits, and an adding circuit. The clock frequency-dividing circuit receives a clock signal and divide a frequency of the clock signal to output a plurality of frequency-divided clock signals, sum of number of pulses of the plurality of frequency-divided clock signals being equal to number of pulses of the clock signal. The plurality of counting circuits are connected to the clock frequency-dividing circuit, each of the plurality of counting circuits being configured to respectively count pulses for each of the plurality of frequency-divided clock signals and generate an initial count value. The adding circuit is connected to the plurality of counting circuits, and adds up the initial count values of the plurality of counting circuits to generate a target count value. |
US11811401B2 |
Dual-mode operation of application specific integrated circuits
A method for operating an integrated circuit chip including multiple tiles (202a-202d) includes determining a configuration for the tiles for execution of a computation. When the configuration for the tiles satisfies a first criterion, the integrated circuit is operated in a first mode, including concurrently receiving respective input data (208a, 208b) at each of the tiles (202a-202d). When the configuration for the tiles satisfies a second criterion, the integrated circuit is operated in a second mode, including: at a first time, concurrently receiving respective first input data (208a, 208b) at each tile (202a, 202b) of a first group of tiles; at the first time, storing respective second input data (208a, 208b) in each of multiple delay registers (212a, 212b), each delay register corresponding to a tile (202c, 202d) of a second group of tiles; at a second time, releasing the second input data from the delay registers (212a, 212b) and receiving the released respective second input data at each tile (202c, 202d) of the second group of tiles. |
US11811396B2 |
Power transfer, gate drive, and/or protection functions across an isolation barrier
An apparatus comprises an energy transfer device configured to supply power from a primary side of an isolation barrier through the isolation barrier to a secondary side of the of the isolation barrier for driving a gate of a switch for controlling output of the switch at the secondary side. The apparatus comprises a monitoring component. The monitoring component is configured to monitor an operating state of the switch. The monitoring component is configured to evaluate the operating state to determine whether a fault has occurred, perform a countermeasure, and/or provide a signal of the fault. |
US11811394B2 |
Superconducting field-programmable gate array
A programmable circuit includes a superconducting component arranged in a multi-dimensional array of alternating narrow and wide portions. The programmable circuit further includes a plurality of heat sources, each heat source configured to selectively provide heat to a respective narrow portion sufficient to transition the respective narrow portion from a superconducting state to a non-superconducting state. The programmable circuit further includes a plurality of electrical terminals, each electrical terminal coupled to a respective wide portion of the multi-dimensional array. |
US11811390B2 |
Resonator devices and methods of fabricating resonator devices
According to various embodiments, there is provided a resonator device that includes a first interdigital transducer and a second interdigital transducer that is electrically connected to the first interdigital transducer. Both the first interdigital transducer and the second interdigital transducer are configured to resonate at a common frequency. At least one of an electrode width and an electrode pitch of the first interdigital transducer is different from the respective electrode width and/or electrode pitch of the second interdigital transducer such that spurious peaks of the resonator device are lower in amplitude as compared to spurious peaks of each of the first interdigital transducer and the second interdigital transducer. |
US11811389B2 |
Real-time clock device
A real-time clock device includes a package that houses a resonator, an oscillation circuit, a clocking circuit, and a functional circuit, and on which external terminals are formed. The external terminals include a high-potential power supply terminal coupled to a high-potential power supply, a low-potential power supply terminal coupled to a low-potential power supply, a clocking signal terminal used at least for controlling the clocking circuit, and a functional signal terminal used for controlling the functional circuit, the functional signal terminal is arranged outside the high-potential power supply terminal, the low-potential power supply terminal, and the clocking signal terminal in a direction in which the external terminals are arranged, and the real-time clock device further includes a switching circuit that switches between a state in which the functional signal terminal and the functional circuit are coupled and a state in which the functional signal terminal and the functional circuit are not coupled. |
US11811388B2 |
Acoustic wave device
An acoustic wave device includes a piezoelectric substrate and an IDT electrode on the piezoelectric substrate. The IDT electrode includes a first comb-shaped electrode including first electrode fingers and a second comb-shaped electrode including second electrode fingers. The IDT electrode includes a first portion in which a main electrode layer includes a first metal and a second portion in which a main electrode layer includes a second metal. The first electrode fingers and the second comb-shaped electrode include first facing portions facing each other with a gap in between, and the second electrode fingers and the first comb-shaped electrode include second facing portions facing each other with a gap in between. At least one of the first facing portions and second facing portions is the second portion, and a portion of the IDT electrode other than the second portion is the first portion. |
US11811387B2 |
Elastic wave device
An elastic wave device includes a support substrate, a piezoelectric layer disposed on the support substrate, and an IDT electrode disposed on a piezoelectric layer and including first and second electrode fingers that are interdigitated. A region where the first and second electrode fingers overlap each other as seen in a direction of propagation of elastic waves is an excitation region. Edge portions where an acoustic velocity is lower than an acoustic velocity in a central portion are disposed on opposite sides of a central portion in the excitation region. A first busbar and second busbar include inner busbar portions, central busbar portions, and outer busbar portions. First and second offset electrode fingers extend from the inner busbar portions toward the leading ends of the second electrode fingers or first electrode fingers. |
US11811386B2 |
Decoupled transversely-excited film bulk acoustic resonators
Acoustic resonator devices and filters are disclosed. An acoustic resonator includes a substrate and a piezoelectric plate supported by the substrate. A portion of the piezoelectric plate suspended across a cavity in the substrate forms a diaphragm. A decoupling dielectric layer is on a front surface of the diaphragm. An interdigital transducer (IDT) has interleaved fingers on the decoupling dielectric layer over the diaphragm. The IDT and piezoelectric plate are configured such that a radio frequency signal applied to the IDT excites shear acoustic waves in the diaphragm. |
US11811383B2 |
Noise filter and power supply device
A noise filter includes: a first bus bar that is electrical wiring of a flat plate, the first bus bar including a first extending wiring portion extending in a first direction, a second extending wiring portion extending in a second direction that is a direction opposite to the first direction, and a first coupling wiring portion connecting the first extending wiring portion and the second extending wiring portion; a first lead conductor having a first end connected with the first coupling wiring portion; a first capacitor having a first end connected with a second end of the first lead conductor and a second end connected with a ground; and a magnetic core having an opening in a central portion, the magnetic core disposed in such a manner that the first coupling wiring portion passes through the opening. |
US11811378B2 |
Electronic device and a method for suppressing noise for an electronic device
The present invention relates to an electronic device, comprising: —a GFET; —noise suppression means comprising: —a modulation unit applying to a gate (G) of the GFET a signal Vg with frequency fm to modulate charge carrier density of a graphene channel around the charge neutrality point between charge carrier density values at frequency fm, —a control unit (CU), and—a demodulation circuit which is CMOS-implemented and that: —comprises first and second circuital branches alternately switchable to demodulate an electrical signal of frequency fm; or—is configured to generate and apply a signal Vb with frequency fmb to a source (S) of the GFET continuously, simultaneously and with a delay td to induce a phase with respect to Vg to yield a maximal demodulated output signal (So). The present invention also concerns to a method for suppressing noise for the device of the invention. |
US11811375B2 |
Differential transimpedance amplifier employing asymmetric signal paths
An asymmetric signal path approach is used to extract differential signals out of the photodetector (e.g., a photodiode) for amplification by a differential transimpedance amplifier (TIA). This asymmetric-path differential TIA configuration has less low-frequency Inter Symbol Interference (ISI) (also known as Baseline Wander), less high-frequency noise amplification, and higher bandwidth capabilities. There is no power penalty with this design in comparison to a single-ended TIA, can extend the range of the link for a given system power consumption, and can decrease transmitter power for a given range. |
US11811373B2 |
Class AB amplifier and operational amplifier
An active load stage converts a first input current and a second input current into a first voltage and a second voltage. A driver amplifier operates upon receiving the first voltage and the second voltage from the active load stage, and outputs a current to an output terminal. The driver amplifier has a first transistor and a second transistor connected in series between a first reference potential terminal and a second reference potential terminal. The first transistor receives the first voltage at a gate and passes a first current, and the second transistor receives the second voltage at a gate and passes a second current. A minimum selector provides feedback to the first voltage and the second voltage such that an absolute value of each of the first current and the second current becomes more than or equal to a quiescent current of the driver amplifier. |
US11811368B2 |
Power amplifier circuit
A power amplifier circuit includes a first amplification path including a first power amplifier, a second amplification path including a second power amplifier, a first switching circuit configured to electrically connect either the first amplification path or the second amplification path and a first output terminal to each other, a second switching circuit configured to electrically connect an input terminal and any one of a plurality of second output terminals to each other, and a matching circuit configured to electrically connect the first output terminal and the input terminal to each other and achieve impedance matching between the first output terminal and the input terminal. |
US11811364B2 |
Clock integrated circuit including heterogeneous oscillators and apparatus including the clock integrated circuit
A clock integrated circuit is provided. The clock integrated circuit includes: a first clock generator which includes a crystal oscillator configured to generate a first clock signal; and a second clock generator which includes a resistance-capacitance (RC) oscillator and a first frequency divider, and is configured to: generate a second clock signal using the first frequency divider based on a clock signal output from the RC oscillator; perform a first calibration operation for adjusting a frequency division ratio of the first frequency divider to a first frequency division ratio based on the first clock signal; and perform a second calibration operation for adjusting the first frequency division ratio to a second frequency division ratio based on a sensed temperature. |
US11811362B1 |
Voltage controlled oscillator (VCO) with adaptive temperature compensation
Aspects of the present disclosure include systems and methods for temperature adaptive voltage controlled oscillators. In one example, a voltage controlled oscillator includes a cross junction circuit electrically coupled to a temperature dependent input current, and an inductor circuit electrically coupled to the cross junction circuit. The voltage controlled oscillator additionally includes a capacitor bank circuit electrically coupled to the inductor circuit, and an input node that receives a control voltage. The voltage controlled oscillator further includes an output node configured to provide an oscillation frequency output, wherein the oscillation frequency output is controlled by the control voltage. |
US11811361B1 |
Rapid shutdown device for photovoltaic modules
A rapid shutdown device for rapidly de-energizing a photovoltaic module system is disclosed. The rapid shutdown device includes power lines connected to a photovoltaic string of modules on a roof of a structure. A high voltage switch on a first power line is disconnected when the high voltage switch is open. The rapid shutdown device includes a gate drive circuit that receives an electronic photovoltaic string status signal associated with an operating status of the photovoltaic string. The gate drive circuit may determine that the operating status indicates the presence of a hazard based on the electronic photovoltaic string status signal. Based on presence of the hazard, the rapid shutdown device generates a high voltage switch command signal to cause the high voltage switch to open to disconnect the photovoltaic string from an electrical connection to a grid power supply, thereby enhancing protection of the string and safety for responders. |
US11811360B2 |
High voltage solar modules
A photovoltaic module can include a high voltage photovoltaic laminate that include a plurality of high voltage photovoltaic cells with each of the high voltage photovoltaic cells including a plurality of sub-cells. A boost-less conversion device can be configured to convert a first voltage from the high voltage photovoltaic laminate to a second voltage. |
US11811358B2 |
Solar module mounting system
A system and method for mounting solar modules includes a step of positioning a solar module in a clamp to orient the solar module in a desired first position. The clamp has a top bracket and a resilient clip operatively connected to the top bracket. The top bracket has at least one flange that extends over an upper surface of the solar module. The clip has at least one leg that extends under a lower surface of the solar module. The at least one leg has at least one barb on the end of the leg. The at least one leg supports the solar module in the first position. The method also includes steps of advancing the solar module to a second desired position, and advancing the top bracket in a direction towards the clip to secure the solar module in the desired second position. |
US11811357B2 |
Dismantling device for frame of PV module
The disclosed embodiments relate to a dismantling device configured for a frame of a PV module. The dismantling device includes a connection portion, a first holding portion, and a second holding portion. The first holding portion is connected to the connection portion and configured to press against one of an inner wall and outer wall of the frame. The second holding portion is slidably disposed on the connection portion and movably closer to or away from the first holding portion along a sliding direction. The second holding portion is configured to press against the other one of the inner wall and the outer wall so as to clamp the frame with the first holding portion and to distort the frame. |
US11811355B2 |
System and method for mounting a solar panel onto a substantially flat mounting surface
The invention relates to a system and a method for mounting at least one solar panel on a substantially flat mounting surface. The system comprises thereto a base element, a support structure configured for supporting at least part of at least one solar panel, which is connected to the base element and wherein the support structure comprises a retaining element for retaining at least part of an upper edge of the solar panel and a clamping element configured for clampingly engaging at least part of a lower edge the solar panel. |
US11811354B2 |
Control of a wind turbine using split power reference signals
A method of controlling a wind turbine connected to an electrical grid is provided. The method comprises generating a turbine control reference signal and a grid control reference signal. The turbine control reference signal is provided to a machine side unit of a power or torque control system of the turbine to control the amount of energy generated by the turbine. The grid control reference signal is provided to a line side unit of the power or torque control system to control the amount of energy transferred to the electrical grid based on the grid control reference signal. |
US11811352B2 |
Propulsion system having multiple motors with complementary torque bands
The present disclosure discloses a vehicle propulsion system. The vehicle propulsion system includes a first electric machine including a first set of machine windings that are configured to cause a rotor to rotate about an axis to selectively drive a transmission during a first vehicle operating state and a second electric machine including a second set of machine windings that are configured to cause a rotor to rotate about an axis selectively drive the transmission during at least one of the first vehicle operating state or a second vehicle operating state. The second vehicle operating state different from the first operating state, and a number of series turns per phase for the first set of machine windings is different from a number of series turns per phase for the second set of machine windings. |
US11811342B2 |
Ripple counter with dynamic bandpass filter for DC motor
Disclosed is a ripple counter with a dynamic bandpass filter for a DC motor. The ripple counter includes a current sense amplifier configured to provide an analog voltage responsive to an inline current in rotor windings of the DC motor. The ripple counter also includes an analog-to-digital converter configured to provide a digital signal responsive to the analog voltage. The ripple counter also includes a digital filter configured to receive the digital signal and a clock signal and configured to vary a frequency response to provide a filtered ripple current. The ripple counter also includes a digital comparator circuit configured to receive the filtered ripple current and to provide a pulsed output. The ripple counter also includes a clock generator configured to detect the frequency of the pulsed output and to provide the clock signal responsive to the detected frequency. |
US11811340B2 |
Control device for rotating electric machine and drive system
Provided is a control device for a rotating electric machine, the control device being configured to control an inverter configured to apply a voltage to each phase winding of a rotating electric machine, to thereby control, for the each phase winding, a current to be supplied to the each phase winding, the control device including a control unit configured to: calculate a voltage command value to be applied to the each phase winding so that a phase difference between harmonic components of the same order in a radial magnetic flux density and a circumferential magnetic flux density of an air gap portion between a stator core and a rotor core of the rotating electric machine becomes a phase difference target value determined in advance, and to control the inverter in accordance with the calculated voltage command value. |
US11811338B2 |
Rotating machine control device
One or more multiphase power converters are connected to a positive electrode and a negative electrode of a power supply via a high potential line and a low potential line, respectively, convert DC power of the power supply into multiphase alternate current power by operations of a plurality of inverter switching elements, and apply a voltage to each of phase windings of a multiphase winding set. A DC rotating machine switch including switches on a high potential side and a low potential side connected in series via a DC motor terminal connected to a second terminal that is an end of the DC rotating machine on an opposite side to a first terminal. The DC rotating machine switch generates a voltage of the DC motor terminal variable by switching. A control unit controls operations of the inverter switching elements and the DC rotating machine switch. |
US11811337B2 |
Nanofiber actuator and method for making the same
A nanofiber actuator comprises a composite structure and a vanadium dioxide layer. The composite structure comprises a carbon nanotube wire and an aluminum oxide layer. The aluminum oxide layer is coated on a surface of the carbon nanotube wire, and the aluminum oxide layer and the carbon nanotube wire are located coaxially with each other. The vanadium dioxide layer is coated on a surface of the composite structure, and the vanadium dioxide layer and the composite structure are located non-coaxially with each other. |
US11811336B2 |
Piezoelectric based pallet generator for device charging
A piezoelectric generator structure disposed between an upper platform and a lower platform that includes a lower piezoelectric pad, an upper piezoelectric pad, and a connecting shaft. The lower piezoelectric pad coupled to the upper piezoelectric pad via the connecting shaft, where the lower piezoelectric pad is configured to compress under a downward motion of the upper platform during a compression movement due to an additional load being applied to an existing load on a top surface of the upper platform, where the lower piezoelectric pad produces a first voltage due to the compression movement. The upper piezoelectric pad configured to compress under an upward motion of the upper platform during a rebound movement of the upper platform, where the upper piezoelectric pad produces a second voltage due to the rebound movement. The generator structure configured to provide the first and the second voltage to a coupled power storage unit. |
US11811334B2 |
Electrostatic motor
An electrostatic machine including a rotor plate comprising a plurality of rotor electrodes, and rotatably fixed to a shaft; a stator plate comprising a plurality of stator electrodes; an excitation circuit electrically coupled to at least one of the rotor plate or the stator plate at a first end, and electrically couplable to exchange power at a second end with a selected one of an electrical power source or an electrical load; wherein the excitation circuit is configured to: in a first motoring mode, provide excitation power to at least one of the rotor plate or the stator plate, wherein the shaft provides positive torque to the load; and in a second generating mode, wherein the shaft receives negative torque from the load, operably couple at least one of the rotor plate or the stator plate to the electrical power source. |
US11811332B2 |
Direct-current power supply apparatus, motor drive control apparatus, blower, compressor, and air conditioner
A direct-current power supply apparatus includes: a reactor having one end connected to an alternating-current power supply; a bridge circuit, connected to an opposite end of the reactor, converting an alternating-current first voltage output from the alternating-current power supply into a direct-current voltage; and a current detector detecting an alternating current flowing between the alternating-current power supply and the bridge circuit. The reactor reduces an inductance in accordance with an increase of the alternating current and, when the alternating current exceeds a first current, has an inductance lower than one third of an inductance at which a current does not flow in the reactor. The bridge circuit performs an active operation when the detection value of the alternating current is larger than or equal to the first current and performs a passive operation when the detection value of the alternating current is lower than the first current. |
US11811322B2 |
Power converter with a resonant unit
The present invention relates to a bi-directional power converter (100) for converting an input voltage into an output voltage. The bi-directional power converter (100) may comprise a primary switching unit having a primary switching frequency and a secondary switching unit having a secondary switching frequency: the primary switching frequency being lower than the secondary switching frequency. |
US11811321B2 |
Switching power converter circuit, clock generator circuit and clock generation method having spread spectrum
A spread spectrum switching power converter circuit includes: a power stage circuit which includes an inductor and a power switch and is configured to switch the power switch according to a switching signal having spread spectrum for power conversion; a variable frequency oscillator, which generates a spread spectrum clock signal according to a spread spectrum control signal; a spread spectrum control circuit, which generates the spread spectrum control signal according to a first clock signal and a second clock signal; and a pulse width modulation circuit, configured to generate the switching signal according to a feedback signal based on the spread spectrum clock signal. The spread spectrum control circuit generates the spread spectrum control signal by sampling and combining a periodic waveform and a random waveform. The random waveform is generated according to the first clock signal and the periodic waveform is generated according to the second clock signal. |
US11811320B2 |
Power conversion circuit having short-circuit detection function and short-circuit detection method thereof
A power conversion circuit includes a first and a second power converters for generating a first and a second driving voltages respectively. The second power converter is a switching converter. In a short-circuit detection mode, the first driving voltage is regulated to the first driving level, and the second power converter is configured to operate in a pulse frequency modulation mode to regulate the second driving voltage to a short-circuit detection level, and when a switching frequency of the second power converter exceeds a threshold frequency, a short-circuit condition between the second driving voltage and the first driving voltage is determined. |
US11811319B2 |
Charging system, power supply system and dual mode power conversion circuit thereof
A power conversion circuit includes an N-level PWM power converter and a switching capacitor power converter. The N-level PWM power converter includes shared switches shared with the switching capacitor power converter, and PWM switches. In an N-level PWM mode, the shared switches and the PWM switches periodically switch an inductor and a capacitor, to execute power conversion between a first power and a second power by N-level PWM switching operation. The switching capacitor power converter includes the shared switches and auxiliary switches. In a capacitive conversion mode, the shared switches and the auxiliary switches periodically switch the capacitor, to execute power conversion between the first power and the second power by capacitive power conversion operation. In the capacitive conversion mode, a portion of the plural PWM switches are always OFF such that one end of the inductor is floating. |
US11811318B2 |
Method and apparatus for power conversion
Systems, apparatuses, and methods are described for power conversion. The power conversion may be done by a plurality of power devices with different configurations. For example, the plurality of power devices may include one or more converters with an upside-up buck configuration and one or more converters with an upside-down buck configuration. The power conversion may be done by one or more power devices that may be configurable between different modes of configuration. For example, one or more power converters may be configured in either an upside-up buck configuration mode or an upside-down buck configuration mode. The selection of a certain mode of configuration of the converter may be permanent or non-permanent. |
US11811316B2 |
Adaptive control of a switched voltage converter
A power supply system comprises: a switched-capacitor converter, a controller, and a monitor. Via generation of control signals, the controller controls settings of switches in the switched-capacitor converter to convert a received input voltage to an output voltage that powers a load. The monitor in the power supply system at least occasionally determines an impedance associated with the switched-capacitor converter. A magnitude of the determined impedance provides an indication whether the switched-capacitor converter is operating efficiently. To ensure efficient operation of the switched-capacitor converter, based on input form the monitor, the controller adjusts the control signals controlling the switches in the switched-capacitor converter as a function of the determined impedance. |
US11811313B2 |
Switched capacitor converter and switch circuit and switch thereof
A switched capacitor converter includes plural switch units. The switch units are configured to switch a coupling relationship of a capacitor between a first power and a second power, wherein at least one of the switch units includes a switch circuit. The switch circuit includes a first switch, a second switch, and a switch driving circuit, wherein the conduction resistance of the first switch is greater than the conduction resistance of the second switch, and the parasitic capacitance of the first switch is less than the parasitic capacitance of the second switch. The switch driving circuit turns on the first switch before the second switch is turned on and/or turns off the first switch after the second switch is turned off, such that the switching loss of the switch circuit is less than a predetermined target value. |
US11811312B2 |
Charge pump circuit
A bipolar output charge pump circuit having a network of switching paths for selectively connecting an input node and a reference node for connection to an input voltage, a first pair of output nodes and a second pair of output nodes, and two pairs of flying capacitor nodes, and a controller for controlling the switching of the network of switching paths. The controller is operable to control the network of switching paths when in use with two flying capacitors connected to the two pairs of flying capacitor nodes, to provide a first bipolar output voltage at the first pair of output nodes and a second bipolar output voltage at the second pair of bipolar output nodes. |
US11811310B2 |
Power conversion system and control method
Embodiments of the present disclosure provide a power conversion system and a control method. The power conversion system includes multiple power modules, and each power module includes a first port, a second port, and a third port, where the first port of each power module is connected to an external device, second ports of the power modules are independent of each other and used as independent ports to output power, third ports of the power modules are connected in parallel to form a power bus and power flow of the third port of each power module is bidirectional. |
US11811308B2 |
Multi-phase power factor correction system, controller and method of controlling a multiphase power factor correction system
A multi-phase PFC (power factor correction) system, controller for the multi-phase PFC system and method of controlling the multi-phase PFC system are described. The controller includes a digital circuitry configured to calculate a delay value based on a positive current slope and a negative current slope for a first phase of the plurality of phases which is enabled for all load current conditions. In response to an increase in an average current reference, the digital circuitry is configured to enable a second phase of the plurality of phases such that a current output by the second phase is out of phase with a current output by the first phase by an amount corresponding to the delay value as referenced to a beginning of a boost charging portion of a switching cycle for the first phase. |
US11811307B2 |
Methods and apparatus to improve power factor correction circuits with voltage multiplier assist
An example controller includes: an absolute value circuit having a voltage output and first and second power inputs, the first and second power inputs adapted to be coupled to an alternating current (AC) power source, and a comparator having a comparator output and first and second comparator inputs, the first comparator input coupled to the voltage output, the second comparator input adapted to be coupled to an output terminal of a power factor correction (PFC) circuit, and the comparator output adapted to be coupled to a control input of the PFC circuit. |
US11811304B2 |
Power converters, power systems, and methods for protecting power converters
Disclosed embodiments may include a power converter having a power conversion circuit and a protection circuit. The power conversion circuit is electrically coupled between a first terminal and a second terminal, to convert a first voltage from the first terminal to a second voltage outputted at the second terminal. The protection circuit is electrically coupled between an input terminal of the power converter and the first terminal. The protection circuit includes a first protection device and a clamping circuit. The first protection device withstands an input voltage of the power converter to continue an operation of the power conversion circuit when the input voltage exceeds a voltage threshold value. The clamping circuit is electrically coupled to a control terminal of the first protection device to clamp a control voltage of the first protection device. |
US11811303B2 |
Decoupling device using stored charge reverse recovery
Increases in current drawn from power supply nodes in a computer system can result in unwanted drops in the voltages of the power supply nodes until power supply circuits can compensate for the increased load. To lessen the effects of increases in load currents, a decoupling circuit that includes a diode may be coupled to the power supply node. During a charge mode, a control circuit applies a current to the diode to store charge in the diode. During a boost mode, the control circuit can couple the diode to the power supply node. When the voltage level of the power supply node begins to drop, the diode can source a current to the power supply node using the previously stored charge. The diode may be directly coupled to the power supply node or be part of a switch-based system that employs multiple diodes to increase the discharge voltage. |
US11811299B2 |
Direct-current voltage conversion circuit and switching power-supply device
A DC voltage conversion circuit includes: a switching circuit having a plurality of switching elements; and a controller that controls operations of the plurality of switching elements. The DC voltage conversion circuit can suppress variations in an output voltage even when an input voltage fluctuates. The controller can execute asymmetric PWM control and phase shift control, performs the phase shift control when a duty ratio is lower than a predetermined ratio, and performs the asymmetric PWM control when the duty ratio is higher than or equal to the predetermined ratio. When switching between the phase shift control and the asymmetric PWM control is performed with the step-down ratios being made to match each other, a control range of the duty ratio can be increased. |
US11811292B1 |
Tumbler-type vehicle-mounted flywheel energy storage device with five-degree-of-freedom magnetic suspension support
A tumbler-type vehicle-mounted flywheel energy storage device with five-degree-of-freedom magnetic suspension support for an electric vehicle is provided. A flywheel is formed into a bowl by a metal flywheel rotor and a composite material ring by interference fit. The metal flywheel rotor comprises an upper-section ring, a mid-section hollow hemisphere, and a lower-section ring. The composite material ring is closely fitted outside the upper-section ring to form a bowl-shaped bowl opening part. An annular axial thrust disc protrudes inward in a radial direction from an inner wall on a bottom end of the upper-section ring. An area above the axial thrust disc is a bowl opening empty slot layer, and an area below the axial thrust disc is a sphere empty slot layer and a bowl bottom empty slot layer in sequence, which form an inner cavity of the flywheel. A supporting frame is fitted in an inner stator. |
US11811284B2 |
Stator for rotary electric machine and rotary electric machine using same
Provided is a rotary electric machine which is configured to draw three-phase output lines from a connection side coil end by an easy process. A stator for a rotary electric machine according to the present invention includes a plurality of segment coils including connection-side winding portions and non-connection-side winding portions. The connection-side winding portions are arranged on one side of a stator core and connected to slots with the same slot pitch, and the non-connection-side winding portions are arranged on the other side of the stator core and inserted into the slots with a plurality of kinds of slot pitches. The connection-side winding portions include a first connection group and a second connection group. The first connection group is provided with a plurality of terminal portions for connecting the segments, and the second connection group connects layers different from those in the first connection group, and is provided with a plurality of terminal portions. |
US11811279B2 |
Method for assembling coil and apparatus for assembling coil
An apparatus for assembling a coil includes a blade inserted into a slot of a stator core in a state where insulating paper is inserted into the slot. In a method for assembling the coil, the insulating paper is inserted into the slot of the stator core, the blade is inserted into the slot into which the insulating paper is inserted, the coil is inserted into the slot into which the blade is inserted, the coil being inserted in a direction opposite to a direction in which the blade is inserted. When the coil is inserted into the slot, the blade is pulled out from the slot along with the insertion of the coil into the slot. |
US11811277B2 |
Rotating electric machine unit
A rotating electric machine unit includes a first and second rotating electric machine, a power control unit (PCU), a drive shaft, and a power transmission part. The first and second rotating electric machines have rotary shafts parallel to each other, and are disposed along a vehicle front-rear direction orthogonal to an axial direction of each rotary shaft. The PCU is disposed below the first and the second rotating electric machines in a vehicle up-down direction orthogonal to the axial direction of each rotary shaft. The drive shaft is disposed below the first rotating electric machine and behind the PCU. The power transmission part transmitting power between each rotary shaft and the drive shaft is disposed on the right side of each rotating electric machine and the PCU. A direction in which an outer shape of the PCU is longest is parallel to the vehicle front-rear direction. |
US11811274B1 |
Power generating device by magnetic collapse
The present invention is directed to a power generation machine or device, comprising permanent magnets, a three-phase system, bifilar coils and a magnet arrangement disposed axially to the generator rotor; and comprising a system embedded by magnetic pulse control software for the moment of magnetic collapse or generation of electric power peaks or valleys, whereby a set of sensors detect the precise angular moment in which the coils have stored the maximum magnetic energy and then trigger their magnetic collapse or generation of electric power peaks or valleys by a switching process controlled by the signals coming from said sensors. All these elements are arranged in the rotor and circumferential stator, which generates electrical energy when moving. |
US11811271B2 |
Compressor
A compressor includes a rotor, a stator configured to rotate the rotor, a compressor unit configured to compress a refrigerant with rotation of the rotor, and a housing in which an internal space for housing the rotor, the stator, and the compressor unit is formed, wherein the rotor includes a rotor core that has an upper surface and a lower surface, an edge plate that covers the upper surface or the lower surface, and a fixing member that fixes the edge plate to the rotor core, a plurality of refrigerant holes through which the refrigerant passes are formed in the rotor core, an opening that allows the plurality of refrigerant holes to communicate with the internal space and a fixing member opening through which the fixing member penetrates are formed in the edge plate, and a thickness portion is formed between the opening and the fixing member opening. |
US11811269B2 |
Stacked lamination rotor
The invention is a flywheel rotor that includes a number of adjacent laminations, stacked one on top of another, where each of the laminations has the same shape and is rotationally symmetric around a center axis, and where the shape is substantially circular and includes a plurality of protrusions exterior to the circumference, and each of the laminations includes at least one hole for a fastening bolt to pass through. The invention typically includes an endplate at each end of stack of laminations. One of the two endplates may attach to a stubshaft. |
US11811268B2 |
Aircraft electric motor
Aircraft electric motors are described. The aircraft electric motors include a cooling system comprising an annular heat exchanger, a motor housing arranged radially inward from the heat exchanger, the motor housing defining a rotor-stator cavity and a gear assembly cavity, a rotor sleeve arranged within the rotor-stator cavity, a gear assembly arranged within the gear assembly cavity, a first shaft operably coupled to the rotor sleeve and configured to be rotationally driven by the rotor sleeve to drive rotation of a portion of the gear assembly, and a second shaft operably coupled to the gear assembly and configured to be rotationally driven by the gear assembly. |
US11811267B2 |
Stator plate packet with weld seams running obliquely to rotational axis
A stator plate packet (7, 7a, 7b) for a stator (5) of an electrical machine (1) is described, which comprises several stator plates (6) stacked one against the other and with stator grooves (13) open towards the inside for receiving a stator winding (8), wherein the stator plates (6) are welded together by means of a plurality n of external weld seams (14) or weld seam portions which are evenly distributed over the periphery of the stator plate packet (7, 7a, 7b). The weld seams (14) or weld seam portions each run from a first end face (B) of the stator plate packet (7) to a second end face (C) of the stator plate packet (7) and each extend over an angle (α) with respect to the rotational axis (A) of the electrical machine (1). The angle (α) lies in a range of α≥360°/n−10%. Furthermore, an electrical machine (1) with such a stator plate packet (7, 7a, 7b) or stator (4), and a vehicle (15) with such an electrical machine (1), are described. |
US11811266B2 |
Internal stator of a rotary field machine having stator tooth groups each consisting of two directly adjacent teeth and a magnetic return
An internal stator of a rotary field machine has a number of N stator teeth. Two stator teeth each form a number of N/2 tooth groups, wherein one tooth group each is formed by two directly adjacently arranged stator teeth has a pole core and a pole shoe formed thereon, and thus, the inner stator comprises semi-closed grooves. The pole cores are made of a first material, for example, silicon iron. In addition thereto, an intermediate element extending in the axial direction of the stator is arranged between each of two stator teeth of two adjacent tooth groups, which is made of a different material. The second material of the intermediate element is different from the first material of the stator teeth. |
US11811256B2 |
Device and method for managing batteries of vehicle
A device and a method for managing batteries of a vehicle are disclosed. The device may include: batteries arranged in a vehicle, a plurality of temperature sensors mounted at different locations of the batteries, and a controller that, when a failure occurs at an arbitrary temperature sensor among the plurality of temperature sensors, estimates a temperature value at the failed temperature sensor using big data, and controls discharge of the batteries based on the estimated temperature value. |
US11811254B2 |
Power conversion circuit, and charging apparatus and system
A power conversion circuit includes a first end of a first switch element coupled to an input power supply; a second end of the first switch element coupled to a first end of a first energy storage element, and a first end of a second switch element; a second end of the first energy storage element coupled to ground through a third switch element, and a first end of a fourth switch element; a second end of the second switch element coupled and connected to a battery; a first end of a second energy storage element coupled to two ends of the first energy storage element through a fifth switch element and a sixth switch element; a second end of the second energy storage element coupled to the battery; and a second end of the fourth switch element coupled to the battery. |
US11811252B2 |
Rechargeable battery jump starting device and battery frame
A rechargeable battery jump starting device and a battery frame for use in an electronic device such as a portable rechargeable battery jump starting device. The rechargeable battery jump starting device maximizes the power conducted from the rechargeable battery to a battery being jump started. |
US11811249B2 |
Battery-powered system, battery pack, electric work machine, and charger
A battery-powered system includes a battery pack (10; 71; 81) connected to an electrical equipment (30; 50; 76; 86). The battery pack includes a first positive electrode terminal (11), a first negative electrode terminal (12), a first communication terminal (13), a first data input circuit (23), and a first limiting circuit (D11; D72; D82) that limits a flow of electric current in a direction from the first negative electrode terminal to the first communication terminal via the first data input circuit. The connected equipment includes a second positive electrode terminal (31; 51), a second negative electrode terminal (32; 52), a second communication terminal (33; 53), a second data input circuit (43; 63; 77; 87), and a second limiting circuit (D31; D51; D77; D87) that limits a flow of electric current in a direction from the second negative electrode terminal to the second communication terminal via the second data input circuit. |
US11811247B2 |
Method and system for dual equilibrium battery and battery pack performance management
A method and system for battery performance management that provides dual-equilibrium battery management based on the conditions of battery cells within the battery. Battery management is performed using a passive battery equilibrium approach until a condition within the battery is sensed whereby battery management is then performed using an active battery equilibrium approach. |
US11811246B2 |
Decentralized green-energy ecosystem
A processor may identify that a computing device is below a power threshold. The processor may generate a charge request. The charge request may include metrics associated with a requested power exchange. The processor may send the charge request to a decentralized exchange. The decentralized exchange may include the computing device and at least two other devices. The processor may receive respective charging proposals from the at least two other devices. The processor may select one of the respective charging proposals. |
US11811240B2 |
Rectifier in low gain wireless power transfer system
An apparatus includes a receiver coil configured to be magnetically coupled to a transmitter coil, and a rectifier circuit coupled to two terminals of the receiver coil, wherein in response to a high system gain of the apparatus, the rectifier circuit is configured as a half-bridge rectifier, and in response to a low system gain of the apparatus, the rectifier circuit is configured as a full-bridge rectifier. |
US11811238B2 |
Inductive charging system with charging electronics physically separated from charging coil
An inductive charger where the charging surface or coil is separated from the drive or control electronics is described. |
US11811237B1 |
System and method for radio frequency power sensing and scavenging based on phonon-electron coupling in acoustic waveguides
A system and method for converting a radio frequency (RF) to a direct current (DC) signal by generating acoustic phonons from the received RF signal utilizing a piezoelectric material. The acoustic phonons of the RF signal interact with the electrons of a semiconductive material to generate a DC signal that is proportional to the power of the RF signal. The DC signal can be used to power devices or can be interpreted as a measure of a local RF frequency spectrum. |
US11811235B2 |
Inverter apparatus and power supply system
An inverter apparatus is disclosed in this application, which includes a plurality of protection units and a plurality of inverter units. For any protection unit, when a voltage at an input terminal of the protection unit is greater than a voltage at an output terminal of the protection unit, a path between the input terminal and the output terminal of the protection unit is in a forward conducted state; when the voltage at the output terminal of the protection unit is greater than the voltage at the input terminal voltage of the protection unit, the path between the input terminal and the output terminal of the protection unit is in a reverse cut-off state; and when a control terminal of the protection unit receives a first trigger signal, the path between the input terminal and the output terminal of the protection unit is in a reverse conducted state. |
US11811231B1 |
Systems and methods for state-of-charge dependent control of an energy storage system
The present disclosure provides systems and methods for providing power from an energy storage system (ESS). A method may include, for each of a plurality of energy storage units, calculating a length of time to complete discharge for the energy storage unit according to a rated power capacity of the energy storage unit and an amount of stored energy in the energy storage unit; determining a discharge control protocol for the plurality of energy storage units based on the calculated lengths of time to complete discharge, the discharge control protocol indicating a period of time to discharge power to an energy grid and an amount of power to discharge to the energy grid during the period of time; and discharging the plurality of energy storage units to the energy grid according to the discharge control protocol. |
US11811227B2 |
Supporting electrical utility performance with dispatchable distributed energy resources
Distributed energy resources are validated by dispatching a distributed energy resources individually in known ambient conditions and monitoring the particular effect of dispatch to then establish a database of performance for multiple different distributed energy resources. The distributed energy resources can be permanently monitored to further build up this database and to verify that the distributed energy resource 1s performing consistent with its validation or other expected performance. Distributed energy resources of a slow responding variety and a fast responding variety can be paired together and dispatched together, so that the paired fast responding and slow responding distributed energy resources mimic a large fast responding distributed energy resource. The benefits of a high capacity fast responding distributed energy resource is thus provided, such as for the load shedding and grid support benefits thereof. |
US11811225B2 |
Motor power supply device
A motor power supply device includes a first power supply, a motor driven by a power supplied from the first power supply, a first power supply line, a first power supply side semiconductor switch, a first output side semiconductor switch, a first power supply side voltage detection unit disposed on a first power supply side with respect to the first power supply side semiconductor switch on the first power supply line and configured to detect a voltage of the first power supply line, and a control unit configured to execute control to determine a state of power supply from the first power supply to the first power supply side semiconductor switch based on a measured value obtained by the first power supply side voltage detection unit. |
US11811219B2 |
Restoration of fault insulated feeder
A method for restoration of a fault isolation in a medium voltage, MV, network having a plurality of feeders and a plurality of normally open, NO, switches possibly in parallel with MV direct current, DC, links is presented. The method is performed in a control device of the MV network. The method includes closing at least two NO switches in parallel with MVDC links of the plurality of NO switches, being connected to a fault isolated feeder of the plurality of feeders of the MV network, and opening the closed at least two NO switches in parallel with MVDC links except one. A control device, a computer program and a computer program product for restoration of a fault isolation in a MV network are also presented. |
US11811214B2 |
Modular housing for integration with circuit breaker panel
A data acquisition module including a connection panel subassembly having a housing, a computing device subassembly, electrically coupled to the connection panel and having a housing configured to mechanically couple to the housing of the connection panel assembly; and a user interface subassembly, electrically coupled to the computing device subassembly and having a housing configured to mechanically couple to the housing of the computing device assembly. |
US11811212B2 |
Synchronization of electronic fuses in vehicle power distribution
A system in a vehicle includes a first fuse connected between a power source and a load. The first fuse is an electronic fuse (eFuse) to disconnect the load from the power source via the first fuse based on detecting a failure in the first fuse. The system also includes a second fuse connected between the power source and the load, the first fuse and the second fuse being part of a cluster of fuses. The second fuse is an eFuse and the first fuse signals the second fuse to disconnect the load from the power source via the second fuse based on the first fuse detecting the failure in the first fuse without the second fuse detecting a failure in the second fuse. |
US11811207B2 |
Junction box interface chassis and pluggable modular devices
Various components and subcomponents of a pluggable modular system for electrical junction boxes are described herein. In various embodiments, a jbox interface chassis is configured to be wired and fastened within an electrical junction box to provide a hot-swappable pluggable interface between the wires in the electrical junction box and each of a plurality of hot-swappable pluggable modular devices. The jbox interface chassis may include a front pluggable interface configured to electrically mate with a corresponding rear pluggable interface on a casing of each pluggable modular device. As an example, the jbox interface chassis may include a plurality of slots or holes to receive a corresponding plurality of blades or pins on the casing of each pluggable modular device. Additionally, device adapters are described herein to convert a wide variety of legacy electrical devices into pluggable modular devices. |
US11811206B1 |
Cable protector assemblies and related methods and systems
Aspects of the present disclosure relate to cable protector assemblies, and related methods and systems. In one or more implementations, a cable protector assembly includes an adjustable latch. In one embodiment, which can be combined with other embodiments, a cable protector assembly includes a protective frame at least partially defining a channel. The channel is configured to at least partially receive a cable. The protective frame includes a frame flange having a section of a frame sheet formed into a first arcuate shape to define a frame opening. The cable protector assembly includes a collar segment pivotably coupled to the protective frame. The collar segment is pivotable between a disengaged position, an engaged position, and a biased position. The collar segment includes a collar flange having a section of a collar sheet formed into a second arcuate shape to define a collar opening. |
US11811199B2 |
Apparatus and methods of detecting transient discharge modes and/or closed loop control of pulsed systems and method employing same
A system and method for differentiating between different modes of pulsed electrical discharges via of an amplitude to time (ATC) conversion circuit is described. A bipolar ATC circuit is used to add together the positive and negative portions of an attenuated and filtered signal derived either from the voltage or current of a pulse. Alternatively, a unipolar ATC circuit may be employed. The resulting processed signal is compared against a reference voltage to generate an output signal that is active for the amount of time that the processed signal exceeds the reference voltage. Discharge mode is determined based on three factors: did a pulse occur, if a pulse occurred when did the pulse start relative to the original pulse event, and what is the duty cycle of the pulse. Subsequent pulse generated may be controlled accordingly. |
US11811194B2 |
Passive Q-switched lasers and methods for operation and manufacture thereof
Systems and methods for imaging in the short wave infrared (SWIR), photodetectors with low dark current and associated circuits for reducing dark currents and methods for generating image information based on data of a photodetector array. A SWIR imaging system may include a pulsed illumination source operative to emit radiation pulses in the SWIR band towards a target resulting in reflected radiation from the target; (b) an imaging receiver including a plurality of Ge PDs operative to detect the reflected SWIR radiation and a controller, operative to control activation of the receiver for an integration time during which the accumulated dark current noise does not exceed the time independent readout noise. |
US11811192B2 |
Diode laser assembly and method for assembling a diode laser assembly
A diode laser arrangement includes a diode laser device, first and second cooling elements and at least one spacing device. The laser device and spacing device are mutually spaced apart between the first and second cooling elements. The laser device and the spacing device are disposed on respective first and second outer surfaces of respective cooling elements. The first and second cooling elements cool the laser device. The laser device has first and second diode main surfaces. The first diode main surface is on the first outer surface in a first front region and/or the second diode main surface is on the second outer surface in a second front region. The spacing device places the first outer surface in the first front region parallel to the first diode main surface, and/or the second outer surface in the second front region parallel to the second diode main surface. |
US11811189B1 |
Structured phosphors for dynamic lighting
A structured phosphor device includes a frame member that includes wall regions separating multiple openings of window regions. Further, the structured phosphor device includes a phosphor material filled in each of the multiple openings with a first surface thereof being exposed to an excitation light from one or more laser sources to generate an emitted light out of each window region. Additionally, the structured phosphor device includes an anti-reflective film overlying the first surface of the phosphor material. Furthermore, the structured phosphor device includes a substrate attached to a second surface of the phosphor material in each of the multiple openings. Alternatively, the structured phosphor device includes an array of phosphor pixels dividing a plate of single-crystalline or poly-crystalline phosphor material separated by optically reflective and thermally conductive walls. A dynamic lighting system based on the arrays of phosphor pixels for single or full color image projection is also disclosed. |
US11811188B2 |
System for generating passive-mode-locked pulse laser at high repetition rate
Embodiments relate to a resonator including a graphene layer formed on a support, and a tapered fiber disposed around at least part of the support, close to the graphene layer, wherein the tapered fiber has different paths along which light travels in a region extending from one end and a region extending from the other end, and a passive-mode-locked pulse laser oscillation system including the same. |
US11811187B2 |
Non-reciprocal optical assembly for injection locked laser
A non-reciprocal optical assembly for injection locking a laser to a resonator is described. The laser emits a light beam, and the resonator receives the light beam and returns a feedback light beam to the laser such that the feedback light beam causes injection locking. The non-reciprocal optical assembly is interposed between and optically coupled to the laser and the resonator. The non-reciprocal optical assembly includes a first port that receives the light beam from the laser, and a second port that outputs the light beam to the resonator and receives the feedback light beam from the resonator. The first port also outputs the feedback light beam to the laser. The light beam passes through the non-reciprocal optical assembly with a first power loss, and the feedback light beam passes through the non-reciprocal optical assembly with a second power loss (the first power loss differs from the second power loss). |
US11811185B2 |
Laser dicing device, method of laser beam modulation, and method of dicing a substrate
A laser dicing device includes: a Gaussian laser beam emitter configured to emit a Gaussian laser beam having a Gaussian energy distribution; a laser beam modulator configured to modulate a shape of the emitted Gaussian laser beam by reducing intensity in a region surrounding a first line parallel with a laser dicing direction of the emitted Gaussian beam, the first line crossing a center of the Gaussian laser beam in a plan view; a focusing lens configured to focus a modulated Gaussian laser beam modulated by the laser beam modulator; and a substrate support configured that a substrate to be diced is seated on the support, wherein the focusing lens is configured to collect the modulated Gaussian laser beam inside the substrate seated on the substrate support. |
US11811184B2 |
Connector producing a biasing force
A connector includes, in one embodiment, a first component, a coupling element configured to engage the first component, and a second component configured to engage the first component. The second component, in one embodiment, is configured to produce a spring, pushing or biasing force. |
US11811182B2 |
Solderless BGA interconnect
Embodiments disclosed herein include electronics packages and methods of forming such packages. In an embodiment, the electronics package comprises a first substrate and a plurality of first conductive pads on the first substrate. In an embodiment, the electronics package further comprises a second substrate and a plurality of second conductive pads on the second substrate. In an embodiment, the electronics package further comprises a plurality of interconnects between the first and second substrate. In an embodiment, each interconnect electrically couples one of the first conductive pads to one of the second conductive pads. In an embodiment, the interconnects comprise strands of conductive material that are woven on themselves to form a mesh-like structure. |
US11811178B2 |
Adapter for connecting battery and electrical device
An adapter may be configured to connect a battery and an electrical device to each other. The adapter may include a control board; a battery-side terminal mounted on a first surface of the control board and configured to be electrically connectable to the battery; and a device-side terminal mounted on a second surface of the control board and configured to be electrically connectable to the electrical device, the second surface being opposite from the first surface. |
US11811175B2 |
Electrical connector fitted to a matching connector and connector device including the electrical connector and the matching connector
A receptacle connector 10 includes a ground contact 11 including a fitting portion 11a that has a tubular shape and is to be fitted to a ground contact 101 of a plug connector 100; a signal contact 12 that is to be electrically connected to a signal contact 102 of the plug connector 100; and an insulating housing 13 that holds the ground contact 11 and the signal contact 12 in an insulated state. The signal contact 12 includes a central conductor 12a, and a board connection portion 12b that extends so as to lead out from the central conductor 12a to be connected to a signal terminal portion 201 of the board 200. The board connection portion 12b is accommodated in a region surrounded by the fitting portion 11a, and at least a part of the board connection portion 12b is exposed to an outside. |
US11811174B2 |
Low-profile axisymmetric power connectors
Power connectors that are easy to connect, have a low profile, and can convey one or more data signals. One example can provide a power connector that is easy to connect by providing an axisymmetric connector receptacle and connector insert. Magnets can be used to help guide a connection between a connector insert and a connector receptacle. Canted springs can be used to provide a tactile response to the insertion of the connector insert into the connector receptacle and to help to secure the connector insert in place when mated with the connector insert. Keying or self-aligning features can be included on either or both the connector insert and the connector receptacle to help guide mating. |
US11811171B2 |
Cable termination for an electrical connector
A cable card assembly includes a circuit card and cables terminated to the circuit card. Each cable has signal conductors, an insulator, and a cable shield. The cable card includes conductor holders forward of the insulators manufactured from a dielectric material and having conductor channels that receive the signal conductors. The cable card assembly includes ground shields coupled to the circuit card providing electrical shielding for the cables. Each ground shield includes a side walls and an end wall. The end wall has an end wall connecting portion coupled to the cable shield. The first side wall has a first side wall connecting portion coupled to the cable shield. The second side wall has a second side wall connecting portion coupled to the cable shield. |
US11811170B2 |
Male connector, female connector and connector assembly
A connector assembly comprising a male connector, and a female connector mateable to the male connector. Each of the male and female connectors include a shielding shell having two identical shielding half shells each comprising a bottom wall and a pair of side walls, a protrusion formed on one of the pair of side walls, and a latch formed on the other of the pair of side walls. The latch of one of the two shielding half shells engages with the protrusion of the other of the two shielding half shells for locking the two shielding half shells together. A terminal module is installed in each of the shielding shells. The terminal module and shielding shell of the male connector is adapted to be received within and electrically connected to the female connector. |
US11811169B2 |
Multifunctional stand and stand assembly
The present invention discloses a multifunctional stand and a stand assembly. The multifunctional stand includes a supporting part, a connection part and a magnet, where the supporting part is connected to the connection part, and a joint of the supporting part and the connection part is recessed inwards to form a recess; and the magnet is disposed at an end of the connection part far from the recess. The stand assembly includes a plug and the multifunctional described above. The multifunctional stand of the present invention can be used for other purposes when not supporting a mobile phone or a tablet computer, and is small in size and convenient to carry. The stand assembly of the present invention can prevent a metal plug from scratching other items when a charger is carried. |
US11811164B2 |
Electrical connector and manufacturing method for the same
An electrical connector and a manufacturing method for the same. The electrical connector comprises a housing member and a plugging module. One end of the housing member is provided with a mating interface. An accommodating space communicating with the mating interface is provided in the housing member. The plugging module comprises a first circuit board, a plurality of electrical conductors and a plurality of first soldering pads. The first circuit board is disposed in the accommodating space. The first circuit board comprises a first surface and a second surface opposite to the first surface. The plurality of electrical conductors are disposed on the first surface and/or the second surface and is close to the mating interface. The plurality of first soldering pads are disposed on the second surface and are electrically connected with the plurality of electrical conductors. |
US11811160B2 |
Plug contact for an electrical charging connector
A plug contact for an electrical charging connector includes: a contact element having a contact area with at least one spring-loaded contact means, and a connection area for connecting an electrical conductor; a cooling element arranged at least in some areas around the contact area; and a heat-conducting element arranged between the cooling element and the contact element. The heat-conducting element is elastic and thermally and mechanically contacts the cooling element and the contact element. |
US11811157B2 |
Printed circuit board edge connector
An edge connector for coplanar coupling of two printed circuit boards (PCBs) comprises an elongated body and two end structures. The elongated body has a compression contact space and two PCB contact surfaces, each PCB contact surface having a plurality of contact positions. Portions of compression contacts positioned in the compression contact space extend through contact positions on both PCB contact surfaces. When a PCB edge surface contacts a PCB contact surface of the elongated body, an edge connection on the PCB edge surface contacts a compression contact, forming an electrical connection. Each end structure has two contact pairs, wherein each contact pair has attaching features that couple the edge connector to a PCB to maintain the electrical connection. When two PCBs are coupled to the edge connector, the compression contacts form electric paths for conducting power and/or communication between the two PCBs. |
US11811155B2 |
Connection member and rechargeable battery
A connection member includes a guide plate and a first connecting plate integrally formed on the guide plate. The first connecting plate is disposed in a bendable manner relative to the guide plate, and at least one indentation is present between the first connecting plate and the guide plate. A portion, of the guide plate except a part corresponding to the at least one indentation, connected to the first connecting plate becomes gradually thinner in a direction from the guide plate to the first connecting plate. |
US11811153B2 |
Wireless module
A wireless module has a multilayer substrate, an element installation section formed in one region in a substrate plane of the multilayer substrate, and an antenna. The antenna includes a conductor unit formed in another region in the substrate plane of the multilayer substrate. The conductor unit has a first end and a second end that extend along an outer periphery of the other region and that are separated from each other in a direction of the extension, and is formed in a loop as seen from a direction perpendicular to a substrate surface of the multilayer substrate. A feed unit connected to the first end of the conductor unit receives input of an AC signal of a prescribed frequency. A short-circuit line has a first end connected to a ground and a second end connected to the conductor unit through the feed unit. |
US11811148B2 |
Phased array antenna
A phased array antenna includes a transmission unit of a first layer including a plurality of first plates having a polygonal profile, a reception unit of a second layer including a plurality of second plates having a polygonal profile, the reception unit being spaced apart from the transmission unit in a first direction, and a circuit unit arranged within an internal space defined by the transmission unit and the reception unit. |
US11811144B2 |
Antenna device
The present disclosure relates to an antenna device comprising: a first antenna comprising a first reflecting member configured to reflect at least a portion of a signal radiated by the antenna device; a second antenna comprising a second reflecting member configured to reflect at least a portion of the signal radiated by the antenna device, there is a spacing between the first reflecting member and the second reflecting member; and a coupling capacitor comprising a first polar plate and a second polar plate, the first polar plate is disposed on a side, close to the spacing, of a first reflecting surface of the first reflecting member, and the second polar plate is disposed on a side, close to the spacing, of a second reflecting surface of the second reflecting member. |
US11811140B2 |
Surface for controlled radio frequency signal propagation
A configurable radio frequency device includes a surface and a plurality of configurable radio frequency elements disposed on the surface. The radio frequency elements can be configured to absorb, reflect, or pass a radio transmission. A controller is configured to control the configuration of the surface by setting the state of the radio frequency elements. The controller also determines a deployment configuration for the surface by applying a series of test configurations to the surface and receiving a measurement of signal quality as measured by a receiver. The controller can then use these measurements to determine how to set the states of the radio frequency elements for the deployment configuration. |
US11811139B2 |
Gradient permittivity film
Gradient permittivity films are described. In particular, gradient permittivity films including a plurality of layers each having a thickness where at least one layer is perforated and has a different air volume fraction from another of the plurality of layers by at least 0.05. Such films may be useful in improving the signal to noise ratio for transmitting and receiving units operating between 20 GHz and 300 GHz behind a protective cover. |
US11811134B2 |
LC reservoir
An apparatus for exchanging liquid crystal (LC) between two areas of an antenna array and method for using the same are disclosed. In one embodiment, the antenna comprises an antenna element array having a plurality of radiating radio-frequency (RF) antenna elements formed using portions of first and second substrates with a liquid crystal (LC) therebetween, and a structure between the first and second substrates and outside the area of the RF antenna elements to collect LC from an area between the first and second substrates forming the RF antenna elements due to LC expansion. |
US11811132B2 |
Radio frequency tuning using a multichip module electrical interconnect structure
A method for tuning a resonant frequency of wireless communication circuitry on a multichip module including a plurality of chips includes applying an electrical insulator to an upper surface of the multichip module; creating a plurality of openings in the electrical insulator, each opening being positioned at a successive one of the bond pads to be electrically connected to create a plurality of exposed bond pads; applying metal to each exposed bond pad to form a successive one of a plurality of interconnect bases; removing a portion of the layer of photoresist to create a plurality of bridge supports, each bridge support positioned between a successive pair of interconnect bases; applying metal to each bridge support and associated interconnect bases to form a successive one of the interconnect traces; removing the bridge supports; and disconnecting one or more of the interconnect traces as necessary to obtain a target resonant frequency. |