Document Document Title
US11991935B2 Materials and methods for fabricating superconducting quantum integrated circuits
Materials and methods are disclosed for fabricating superconducting integrated circuits for quantum computing at millikelvin temperatures, comprising both quantum circuits and classical control circuits, which may be located on the same integrated circuit or on different chips of a multi-chip module. The materials may include components that reduce defect densities and increase quantum coherence times. Multilayer fabrication techniques provide low-power and a path to large scale computing systems. An integrated circuit system for quantum computing is provided, comprising: a substrate; a kinetic inductance layer having a kinetic inductance of at least 5 pH/square; a plurality of stacked planarized superconducting layers and intervening insulating layers, formed into a plurality of Josephson junctions having a critical current of less than 100 μA/μm2; and a resistive layer that remains non-superconducting at a temperature below 1 K, configured to damp the plurality of Josephson junctions.
US11991932B2 Post-treatment processes for ion beam etching of magnetic tunnel junction and structures formed by the same
A magnetic tunnel junction device includes a pillar structure including, from bottom to top, a bottom electrode and a magnetic tunnel junction structure, a top electrode overlying the magnetic tunnel junction structure, and a dielectric metal oxide layer extending from a sidewall of the pillar structure to a sidewall of the top electrode. The magnetic tunnel junction structure contains a reference magnetization layer including a first ferromagnetic material, a tunnel barrier layer, and a free magnetization layer including a second ferromagnetic material. The top electrode includes a metallic material containing a nonmagnetic metal element. The dielectric metal oxide layer may be formed by performing an oxidation process that oxidizes a residual metal film after a focused ion beam etch process, and eliminates conductive paths from surfaces of the pillar structure.
US11991931B2 Magnetic recording layer, magnetic domain wall moving element and magnetic recording array
A magnetic recording layer according to this embodiment has a magnetic domain wall inside and contains a rare gas element.
US11991922B2 Organic light-emitting device
The present disclosure provides an organic light emitting device including a first electrode, a second electrode provided to face the first electrode, and an organic material layer including a light emitting layer provided between the first electrode and the second electrode, and the light emitting layer including a compound represented by Formula 1, a compound represented by Formula 2, and a compound represented by Formula 3.
US11991919B2 Display device
A display device is disclosed. In one aspect, the display device includes a flexible substrate capable of being bent in a first direction and an insulating layer including a first opening pattern positioned on the flexible substrate and extending in a second direction crossing the first direction.
US11991917B2 Display panel and manufacturing method thereof
A display panel and a manufacturing method thereof are provided. The display panel includes a first flexible layer, a first barrier layer disposed on the first flexible layer, and a second flexible layer disposed on the first barrier layer. Wherein, a material of the first barrier layer includes silicon oxide and silicon nitride, a mass ratio of silicon oxide to silicon nitride is 3x:7y, and x=1 to 4 and y=1 to 4. The present disclosure can improve adhesion between the two flexible layers by disposing the barrier layer between the two flexible layers, thereby allowing a flexible substrate to have an ability to block water and oxygen, good adhesion, bending performance, high-temperature and high-humidity resistance, and optical transmittance.
US11991916B2 Alloy metal plate and deposition mask including alloy metal plate
In an alloy metal plate according to an embodiment, diffraction intensity of a (111) plane of the alloy metal plate is defined as I (111), diffraction intensity of a (200) plane of the alloy metal plate is defined as I (200), diffraction intensity of a (220) plane of the alloy metal plate is defined as I (220), a diffraction intensity ratio of I (200) is defined by the following Equation 1, and a diffraction intensity ratio of I (220) is defined by the following Equation 2. At this time, the A is 0.5 to 0.6, the B is 0.3 to 0.5, and the value A may be larger than a value B. A=I(200)/{I(200)+I(220)+I(111)}  [Equation 1] The diffraction intensity ratio of I (220) is defined by the following Equation 2. B=I(220)/{I(200)+I(220)+I(111)}  [Equation 2] In addition, in an iron (Fe)-nickel (Ni) alloy metal plate of a deposition mask for OLED pixel deposition according to an embodiment, the metal plate is formed of a plurality of crystal grains, and the maximum area of the crystal grains measured over the entire area of the metal plate is 700 μm2 or less.
US11991912B2 Display panel and manufacturing method thereof
A display panel and a manufacturing method thereof are provided. The display panel includes a substrate, an encapsulation layer, a black matrix layer, and an oleophobic layer. The encapsulation layer is disposed on a surface of the substrate. The black matrix layer is disposed on the encapsulation layer. The black matrix layer includes a through hole. The through hole extends through the black matrix layer to expose the encapsulation layer. The oleophobic layer covers the black matrix layer.
US11991902B2 Display device and method of manufacturing the same
A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes is formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.
US11991899B2 Display panel, including a scattering layer with micropores preparation method, and display device
A display panel, a preparation method, and a display device are disclosed, including an array substrate, an organic light emitting diode (OLED) light emitting device disposed on a side of the array substrate, and a scattering layer disposed on a side of the OLED light emitting device away from the array substrate, wherein the scattering layer has a plurality of micropores.
US11991896B2 Display panel having second substrate with barrier structure for defining open spaces that adjoin adhesive layer
A display panel comprises a first substrate including a display area and a non-display area surrounding the display area, a light emitting diode disposed in the display area on the first substrate, an adhesive layer covering the display area and the non-display area on the first substrate, and a second substrate bonded to the first substrate by the adhesive layer, wherein the second substrate includes a barrier structure portion for defining a plurality of open spaces on one surface of the second substrate that adjoins the adhesive layer.
US11991893B2 Display device having an auxiliary electrode including a concave portion or a convex portion
A display device can include an overcoat layer disposed on a substrate; a light emitting device disposed on the overcoat layer, the light emitting device having an anode layer, an organic light emitting layer and a cathode layer; a contact hole extending through the overcoat layer; and an auxiliary electrode disposed in the contact hole and being connected to a first driving power, in which the cathode layer includes an organic layer and a cathode electrode layer, the cathode layer extends across the auxiliary electrode, the auxiliary electrode includes a contact region disposed in the contact hole and having a concave portion or a convex portion, and a portion of the cathode electrode layer directly contacts the contact region of auxiliary electrode.
US11991892B2 Organic electroluminescent devices containing a near-infrared down-conversion layer
Embodiments of the disclosed subject matter provide a device having a substrate, at least one organic light-emitting layer disposed over the substrate, and at least one down-conversion layer. The at least one down-conversion layer may generate the NIR emission by absorbing at least a portion of the light emitted by the at least one organic light emitting layer, and re-emitting light at a longer NIR wavelength or range of wavelengths having a peak NIR emission that may be greater than 700 nm, greater than 750 nm, or greater than 800 nm. An out-of-plane optical density of the at least one down-conversion layer may be less than 0.1 for all wavelengths of light in a range from 400 nm to 600 nm.
US11991891B2 Display substrate and manufacturing method therefor, and display device
Disclosed are a display substrate and a method for manufacturing the same, and a display device, belonging to the technical field of display. The display substrate includes: a base substrate, an electroluminescent device layer on the base substrate, and a light-absorbing layer on a light-emitting side of the electroluminescent device layer, wherein the electroluminescent device layer is configured to emit initial light of a first color, wherein the initial light forms target light after passing through the light-absorbing layer, and a full width at half maximum of an emission spectrum of the initial light is greater than a full width at half maximum of an emission spectrum of the target light. According to the present disclosure, the display device is provided with a wider color gamut.
US11991888B2 3D stackable memory and methods of manufacture
Memory devices and methods of forming the memory devices are disclosed herein. The memory devices include a resistive memory array including a first resistive memory cell, a staircase contact structure adjacent the resistive memory array, and an inter-metal dielectric layer over the staircase contact structure. The memory devices further include a first diode and a second diode over the inter-metal dielectric layer. The memory devices further include a first conductive via electrically coupling the first diode to a first resistor of the first resistive memory cell and a second conductive via electrically coupling the second diode to a second resistor of the first resistive memory cell.
US11991885B2 Semiconductor memory devices and methods of fabricating the same
A semiconductor memory device includes a first semiconductor chip and a second semiconductor chip. Each semiconductor chip of the first and second semiconductor chips may include a cell array region and a peripheral circuit region. The cell array region may include an electrode structure including electrodes sequentially stacked on a body conductive layer and vertical structures extending through the electrode structure and connected to the body conductive layer. The peripheral circuit region may include a residual substrate on the body conductive layer and on which a peripheral transistor is located. A bottom surface of the body conductive layer of the second semiconductor chip may face a bottom surface of the body conductive layer of the first semiconductor chip.
US11991882B2 Method for fabricating memory device
A method for fabricating a memory device includes: providing a substrate; forming a first dielectric layer over the substrate; forming a plurality of conductive layers and a plurality of dielectric layers alternately and horizontally disposed on the substrate; forming a channel column structure on the substrate and in the plurality of conductive layers and the plurality of dielectric layers, where a side wall of the channel column structure is in contact with the plurality of conductive layers; forming a second dielectric layer covering the first dielectric layer; and forming, in the first and second dielectric layers, a conductive column structure adjacent to the channel column structure and in contact with one of the plurality of conductive layers, where the conductive column structure includes a liner insulating layer as a shell layer.
US11991875B2 Semiconductor memory structure and the method for forming the same
A semiconductor memory structure includes a substrate, a bit line disposed on the substrate, a dielectric liner disposed on a side of the bit line, and a capacitor contact and a filler disposed on the substrate. The bit line extends in a first direction. The dielectric liner includes a first nitride liner disposed on a sidewall of the bit line, an oxide liner disposed on a sidewall of the first nitride liner, and a second nitride liner disposed on a sidewall of the oxide liner. In a second direction perpendicular to the first direction, the capacitor contact is spaced apart from the bit line by the first nitride liner, the oxide liner, and the second nitride liner, and the width of the filler is greater than the width of the capacitor contact. A method for forming the semiconductor memory structure is also provided.
US11991873B2 Capacitor separations in dielectric layers
Embodiments herein describe techniques for a semiconductor device including a substrate, a first inter-level dielectric (ILD) layer above the substrate, and a second ILD layer above the first ILD layer. A first capacitor and a second capacitor are formed within the first ILD layer and the second ILD layer. A first top plate of the first capacitor and a second top plate of the second capacitor are formed at a boundary between the first ILD layer and the second ILD layer. The first capacitor and the second capacitor are separated by a dielectric area in the first ILD layer. The dielectric area includes a first dielectric area that is coplanar with the first top plate or the second top plate, and a second dielectric area above the first dielectric area and to separate the first top plate and the second top plate. Other embodiments may be described and/or claimed.
US11991872B2 Semiconductor device with gate recess and methods of forming the same
Semiconductor device and the manufacturing method thereof are disclosed. An exemplary semiconductor device includes a substrate including top portions isolated by an isolation structure, first semiconductor layers over a first top portion of the substrate in a first region, and a first gate structure wrapping each of the first semiconductor layers and covering a top surface and sidewalls of the first top portion of the substrate extending above the isolation structure. The first semiconductor layers are stacked up and separated from each other, and each first semiconductor layer has a first width. A bottom surface of the first gate structure is below the top surface of the substrate for a first depth which is at least half of the first width.
US11991869B2 Thermal management system including an overmolded layer and a conductive layer over a circuit board
A system is including: an overmolded layer that is placed above a top surface and below a bottom surface of a circuit board, wherein the overmolded layer exposes at least communication interfaces on the circuit board and surrounds a heat generating component on the circuit board; a conductive layer that is placed over the overmolded layer on the top surface of the circuit board, wherein the conductive layer exposes the communication interfaces of the circuit board and covers the heat generating component on the circuit board; and wherein heat from the heat generating component is transferred into the conductive layer.
US11991868B2 Electrical appliance arrangement having an electrical appliance which can be fastened to a support element, in particular a wall
An electrical appliance that can be fastened to a support element, in particular a wall, includes a heat sink, circuit boards, and a housing. The circuit boards are fastened to the heat sink in each case and the heat sink is able to be fastened or is fastened to the support element. The housing surrounds the circuit boards and is fastened to the heat sink.
US11991867B2 Closed-loop liquid cooling system
A closed-loop liquid cooling system includes a liquid coolant conduit, a cold plate, a pump and a heat exchanger. The liquid coolant conduit is in proximity to a heat-generating electrical component. The liquid coolant conduit allows circulation of a liquid coolant to extract heat therefrom. The liquid coolant conduit includes an inner portion that surrounds and contains the liquid coolant, and an outer portion configured to prevent or inhibit leakage of the liquid coolant from the inner portion and also detect any leakage from the inner portion. The cold plate is in thermal communication with the liquid coolant. The pump is configured to transport the liquid coolant in the liquid coolant conduit. The heat exchanger is coupled to the liquid coolant conduit to extract heat therefrom.
US11991866B2 Adaptive cascade cooling method for datacenters
Examples of hybrid cooling System for datacenters are disclosed. In an example, the hybrid cooling system includes a chiller plant to provide supply of coolant, an air-cooling unit (ACU), and a coolant distribution line. The coolant distribution line comprises a first portion, a second portion, and a third portion in series fluid communication. The ACU receives supply of the coolant from the chiller plant via the first portion. The hybrid cooling system further includes a coolant distribution unit (CDU) coupled to an electronic component in the data hall. The ACU and the CDU are in series fluid communication via the second portion of the coolant distribution line and the coolant egressing the ACU passes through the second portion to be fed back to the CDU. The hybrid cooling system includes a heat exchanger in series fluid communication with the CDU via the third portion of the coolant distribution line.
US11991862B2 Heat sink with counter flow diverging microchannels
The present invention provides a microchannel heat sink with plural microchannels, each having a respective inlet and outlet to permit flow, in particular two-phase flow, of a working fluid. The plural microchannels are arranged such that adjacent microchannels accommodate flow of working fluid in opposite directions and are thermally coupled to each other to enable heat exchange between the corresponding adjacent microchannels. In one aspect, a microchannel inlet is positioned at an angle (e.g., 90 degrees) with respect to its outlet. The plural microchannels define parallel longitudinal axes that are optionally arranged on the same plane and/or side-by-side in a single layer. Further, in one aspect, each microchannel cross-sectional area increases as the channel length progresses from an upstream end (e.g., adjacent to the inlet) to a downstream end (e.g., adjacent to the outlet) of the corresponding microchannel.
US11991860B2 Fluid cooling device
A fluid cooling device includes a bottom plate, an adhesive layer and a spray cooling cover. The bottom plate includes a substrate and a chip, and the spray cooling cover is fixed on the bottom plate by an adhesive layer. In addition, the spray cooling cover includes a fluid inlet and a plurality of fluid outlets to utilize a working fluid to cool the chip directly.
US11991858B2 Two phase coolant management
The discussion relates to cooling computing devices and specifically to managing two-phase cooling. One example can include a two-phase liquid immersion tank containing heat generating components and a liquid phase of a coolant having a boiling point within an operating temperature range of the heat generating components. The example can also include a stratification chamber fluidly coupled to the liquid immersion tank and configured to at least partially separate a gas phase of the coolant from other gases. The example can further include a condenser chamber fluidly coupled to the stratification chamber and configured to receive the gas phase of the coolant and cause the gas phase of the coolant to phase change back into the liquid phase of the coolant.
US11991854B2 Wireless charging base
A wireless charging base is provided, and is mainly applied to electronic devices such as a mobile phone and a tablet computer. The wireless charging base includes a charging panel, configured to charge the electronic device. The charging panel includes a first air vent and a second air vent. A first base plate is disposed on an upper surface of the charging panel, is located at an end of the charging panel, and is configured to support the electronic device when the electronic device is being charged. The first base plate includes a third air vent. A second base plate is disposed on the lower surface of the charging panel, is located at the same end as the first base plate, and is configured to support the charging panel. The second base plate includes a fourth air vent.
US11991852B2 Tray and electronic device
A tray is provided for an electronic device, and the tray includes: a base, a connecting rod, a bracket, and a linkage member. The base has a bottom surface and a sidewall that is connected to the bottom surface. The connecting rod is rotatably disposed on the sidewall of the base. The bracket is disposed adjacent to the base. The linkage member is disposed on the connecting rod and movably connected to the bracket. The tray is moved relatively to the electronic device by the linking member through the connecting rod selectively. Accordingly, the base can move between different positions, thereby helping to install or remove the tray.
US11991851B2 Methods, controllers, and machine-readable storage media for automated commissioning of equipment
Various embodiments relate to a method, controller, and machine-readable storage medium for verifying controlled devices attached to the controller including one or more of the following: selecting, using a system model that models a system of devices comprising the controlled devices attached to the controller, a grouping of the system of devices to be tested; conducting a test of the grouping to produce a test result for the grouping, wherein conducting the test comprises transmitting a communication to at least one device associated with the grouping; choosing a graphical representation of a portion of the system model from a plurality of graphical representations based on the graphical representation including a representation of the grouping; and displaying, on a user interface, the graphical representation and an indication of the test result.
US11991848B2 Protective film and method for fabricating display device
A protective film includes a panel protective film, a first protective film disposed on a surface of the panel protective film and covering the surface of the panel protective film, the first protective film having a surface and an opposite surface facing the panel protective film, and a second protective film disposed on an opposite surface of the panel protective film and covering the opposite surface of the panel protective film, the second protective film having a surface facing the panel protective film and an opposite surface opposed to the surface of the second protective film, wherein the first protective film includes a first film layer, a first adhesive layer disposed on the opposite surface of the first film layer, and a blocking layer disposed on an opposite surface of the first adhesive layer along an edge of the first adhesive layer.
US11991842B2 Frame and display screen
The present disclosure relates to a frame and a display screen. The frame includes: a frame body made of a carbon fiber or glass fiber material, and an embedded member made of a metal or plastic material and connected to the frame body; the frame body and the embedded member are connected in a mold by compression molding, and the embedded member is configured to mount a lock body. Under the same volume requirement, the frame body has a smaller volume and a greater structural strength, and the lightweight design of the frame is implemented on a basis of the structural strength. At the same time, it is ensured that the embedded member can be processed to have a mounting structure matched with the lock body, and the mounting structure can satisfy higher processing efficiency and accuracy.
US11991841B2 Splicing display screen and manufacturing method thereof
The present application provides a splicing display screen and a manufacturing method thereof. The splicing display screen includes a backplate. In the present application, a plurality of sub-display panels disposed on the backplate, an adhesive layer disposed between the backplate and the sub-display panels, and a plurality of first sub-surfaces configured to display images in the sub-display panels are arranged on a same plane. The adhesive layer at least corresponds to a gap between every two adjacent sub-display panels to connect every two adjacent sub-display panels.
US11991838B2 Embedded circuit board and manufacturing method thereof
An embedded circuit board made without gas bubbles or significant internal gaps according to a manufacturing method which is here disclosed comprises an inner layer assembly, an embedded element, and first and second insulating elements. The inner layer assembly comprises a first main portion with opposing first and second surfaces, a first groove not extending to the second surface is positioned at the first surface. A first opening penetrates the second surface, and the first opening and the first groove are connected. The first groove carries electronic elements for embedment. The first insulating element covers the first surface and a surface of the embedded element away from the second surface. The second insulating element covers the second surface and extends into the first opening to be in contact with the embedded element.
US11991837B2 Circuit board and manufacturing method thereof
A circuit board includes a substrate, a build-up circuit structure, a graphene oxide layer, a graphene layer, and an insulating material layer. The build-up circuit structure is disposed on the substrate, including at least one inner circuit, at least one dielectric layer, an outer circuit, and multiple conductive vias. The dielectric layer is disposed on the inner circuit. The outer circuit is disposed on the dielectric layer. The conductive vias penetrate the dielectric layer and electrically connect the inner circuit and the outer circuit. The graphene oxide layer and the graphene layer are disposed on the build-up circuit structure at an interval. The graphene oxide layer and the graphene layer are respectively disposed in correspondence to the dielectric layer and the outer circuit. The insulating material layer is disposed on the graphene oxide layer and the graphene layer. The insulating material layer has an opening, which exposes the graphene layer.
US11991832B2 Unit exchanging device
A unit exchanging device for automatically exchanging a component supply unit between multiple component mounting devices in which multiple component supply units for supplying components are detachably installed includes: a gripping portion for gripping the component supply unit; a moving section for moving the gripping portion along a predetermined direction between a position for attaching/detaching the component supply unit to and from a component mounting machine; and a control section for controlling the gripping and release of the gripping of the component supply unit by the gripping portion and controlling the moving section so as to change the standby position in accordance with the gripping state of the component supply unit in the gripping portion.
US11991828B2 Display apparatus and method for manufacturing the same
A display apparatus includes a display panel, a touch layer, and a flexible printed circuit (FPC) including a main FPC and a bridge FPC. A third soldering region and a fourth soldering region of the bridge FPC are respectively soldered to a first soldering region and a second soldering region of the main FPC. Ends of each first touch connection line are electrically connected to a touch chip and a first touch lead. Ends of each second touch connection line are electrically connected to a pad on the second soldering region and a second touch lead. Ends of each third touch connection line are electrically connected to a pad on the first soldering region and the touch chip. Ends of each touch transfer line are electrically connected to a pad on the third soldering region and a pad on the fourth soldering region.
US11991827B2 Electronic device
An electronic device is disclosed. The electronic device includes a system board and a first set of electronic devices disposed over the system board. Each of the first set of electronic devices comprises a processing unit and a carrier carrying the processing unit. The electronic device also includes a first interconnection structure electrically connected with the processing unit through the carrier and configured to receive a first power from a first power supply unit and to transmit the first power to the processing unit.
US11991825B2 Flexible circuit board, light bar, light source and display device
The present disclosure provides a flexible circuit board, a light bar, a light source and a display device. The light source includes a flexible circuit board having at least one effective welding portion and a light bar having at least one effective pad, the at least one effective welding portion being in one-to-one correspondence with the at least one effective pad, and the effective welding portion being fixed to a corresponding effective pad to transmit a signal loaded by itself to the corresponding effective pad. The flexible circuit board further includes at least one auxiliary welding portion, the light bar further includes at least one auxiliary pad that is in one-to-one correspondence with the at least one auxiliary welding portion, and the auxiliary welding portion is fixed to a corresponding auxiliary pad to enhance the firm fixing between the flexible circuit board and the light bar.
US11991815B2 Circuit structure
Provided is a circuit structure having a novel structure that allows heat from a heat-generating component to be dissipated more efficiently. A circuit structure includes: a heat-generating component that generates heat when energized; energization bus bars that are connected to connection portions of the heat-generating component; cooling members that are formed separately from the energization bus bars, and are connected to the connection portions of the heat-generating component along with energization bus bars, and the heat-transfer portions that are provided in the cooling members, and are in heat-conductive contact with a heat-dissipating body.
US11991810B2 Multilateral open transmission lines for electromagnetic heating and method of use
An apparatus and method for electromagnetic heating of a hydrocarbon formation. The apparatus includes an electrical power source; at least one electromagnetic wave generator for generating alternating current; at least two transmission line conductors positioned in the hydrocarbon formation; at least one waveguide for carrying the alternating current from the at least one electromagnetic wave generator to the at least two transmission line conductors; and a producer well to receive heated hydrocarbons from the hydrocarbon formation. The transmission line conductors are excitable by the alternating current to propagate a travelling wave within the hydrocarbon formation. At least one of the transmission line conductors include a primary arm and at least one secondary arm extending laterally from the primary arm. The at least one secondary arm includes at least one electrically isolatable connection for electrically isolating at least a portion of the secondary arm.
US11991808B2 Electronic device with ambient light flicker sensor
An electronic device may be operated in ambient light. The electronic device may have a color ambient light sensor that is configured to produce color ambient light sensor data based on the ambient light. The electronic device may also have a flicker sensor that has a faster response time than the color ambient light sensor and that is used in detecting dynamic changes in the ambient light. Control circuitry in the electronic device may analyze flicker sensor data to identify the number of light sources producing the ambient light. The control circuitry may apply a frequency transform to the flicker sensor data or make measurements with the flicker sensor in multiple directions. Based on this information, the control circuitry may identify the number of light sources and may use this information in retrieving an ambient light spectrum associated with the ambient light using the color ambient light sensor data.
US11991805B2 Control of dynamic brightness of light-emitting diode array
An apparatus includes a light-emitting diode (LED) driver circuit, one or more LEDs of an LED array, and an electronic switching circuit. The LED driver circuit is configured to generate an electric current. The one or more LEDs are electrically connected to the LED driver circuit. The electronic switching circuit is electrically connected to the one or more LEDs and configured to be placed in one of multiple switching configurations. The electronic switching circuit is further configured to direct a portion of the electric current away from the one or more LEDs, such that a remaining portion of the electric current drives the one or more LEDs. The portion of the electric current corresponds to the one of the multiple switching configurations.
US11991804B2 Automatic length detection lighting device
A lighting device comprising a lighting unit comprising a plurality of lighting modules and a termination module, wherein the termination module is configured to have an electrical characteristic different from that of each lighting module, such that it draws a different amount of current in response to an applied drive voltage. The present invention suggests automatically determining a lighting module count of the lighting unit upon detection of the termination module, by measuring a change of a current passing through the lighting unit while sequentially activating the modules of the lighting unit.
US11991803B2 Flyback converter and LED driver using the flyback converter
A dual-switch flyback converter in which the output current, in operating regions where a constant output current is required, can be regulated from the primary side. The output current is regulated constantly regardless of the input and output voltages by compensating the peak current in the primary winding with the average current in the clamping diode, or the conduction duration of the clamping diode.
US11991802B2 LED driver control circuit
An LED driver control circuit suitable for a LED driver operating under the Line Switch dimming protocol. The LED driver control circuit generates a control signal that can switch between a voltage level at a first node and a voltage level at a second node. The first node is connected to a three-phase input by a first voltage control circuit and the second node is connected to the three-phase input a second voltage control circuit. The first voltage control circuit controls the voltage level at the first node to be, in a first embodiment, greater than or, in a second embodiment, less than a voltage level of each phase of the 3-phase input for at least part of a cycle of the respective phase. The second voltage control circuit controls the voltage level at the second node to be, in the first embodiment, less than or equal to or, in the second embodiment, greater than or equal to a voltage level of each phase of the 3-phase input for the entirety of the cycle of the respective phase.
US11991797B2 LED power supply with bi-level dimming and bi-level dimming method
A LED power supply with bi-level dimming receives an input voltage to supply power to an LED lamp, and adjusts the brightness of the LED lamp according to whether an external detection switch is triggered to be turned on. The LED power supply includes a conversion circuit, a switch, and an oscillation circuit. The conversion circuit converts the input voltage into an output voltage, and provides the output voltage to supply power to the LED lamp so as to control the LED lamp to provide a first brightness. The oscillation circuit provides a dimming signal with a fixed frequency and a duty cycle to the switch when the external detection switch is turned on so as to turn on and turn off the switch. The switch correspondingly adjusts the output voltage according to the dimming signal to control the LED lamp to provide a second brightness.
US11991796B2 Load control device for high-efficiency loads
A two-wire load control device (such as, a dimmer switch) for controlling the amount of power delivered from an AC power source to an electrical load (such as, a high-efficiency lighting load) includes a thyristor coupled between the source and the load, a gate coupling circuit coupled between a first main load terminal and the gate of the thyristor, and a control circuit coupled to a control input of the gate coupling circuit. The control circuit generates a drive voltage for causing the gate coupling circuit to conduct a gate current to thus render the thyristor conductive at a firing time during a half cycle of the AC power source, and to allow the gate coupling circuit to conduct the gate current at any time from the firing time through approximately the remainder of the half cycle, where the gate coupling circuit conducts approximately no net average current to render and maintain the thyristor conductive.
US11991792B2 Portable electric heating mat for use by an animal
An electric heating mat may include an outer sleeve having an interior, and an access end with an opening to the interior. The access end may be folded upon itself into a closed condition, and unfolded into an opened condition. When the access end is closed, the interior of the outer sleeve may provide a sealed enclosure. The sealed enclosure may accommodate and protect internal components, such as heating elements, a power source, and associated controls. The heating elements, associated wiring, and an insulation layer may be provided in an inner sleeve, which may be insertable into the outer sleeve as a unit. When the access end is opened, the opening provides access to the internal components. Such access allows the power source to be turned on to supply power to the heating elements.
US11991784B2 Broadcast relay method in new radio
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a broadcast transmitter, a broadcast signal including one or more multi-resolution messages. The UE may decode at least one of the one or more multi-resolution messages based on receiving the broadcast signal from the broadcast transmitter, and may determine that a data rate associated with the broadcast signal is less than a threshold based on the decoding. The UE may transmit a signal querying the broadcast reception capability of a base station based on determining the data rate. In response to the query signal, the UE may receive a signal indicating a broadcast reception capability of the base station, and may communicate, with the base station, based on the broadcast reception capability of the base station.
US11991780B2 Method, apparatus, and system for authorizing remote profile management
A method, performed by a user equipment (UE), of controlling a profile is provided. The method includes receiving a remote profile management command regarding a target profile from a profile server, determining whether an enabled profile exists, verifying whether profile owner information of the target profile corresponds to profile owner information or sub-owner information of the enabled profile, based a result of the determination, and selectively executing the remote profile management command based on a result of the verification.
US11991774B2 Method and apparatus for handling emergency services in a wireless network
Methods and systems for handling emergency services in a wireless network. A method disclosed herein includes enabling at least one User Equipment (UE) supporting only Closed Access Group (CAG) cell/non-public network (NPN) to camp onto at least one non-CAG cell/public network cell to access the emergency services. The method further includes enabling the at least one UE to switch behavior of a timer from a periodic registration timer with a “Strictly Periodic Registration Timer Indication” to a normal periodic registration timer/pre-release 16 behavior for performing the emergency services.
US11991773B2 Communication apparatus, control method, and storage medium
A communication apparatus includes a transition unit and a control unit. In a case where a wireless communication path to each of a first base station and a second base station is established, the transition unit transitions from an RRC_CONNECTED state to an RRC_INACTIVE state compliant with a 3rd Generation Partnership Project (3GPP) standard. In a case where the transition unit transitions to the RRC_INACTIVE state, the control unit performs control to selectively execute operating in a first mode for waiting for a notification signal from each of the first and second base stations or operating in a second mode for waiting for a notification signal from either the first base station or the second base station, based on a state of the communication apparatus.
US11991772B2 Enhanced cellular connectivity via opportunistic extension of RRC connected mode
Systems and methods for extending connectivity with a cellular network are disclosed herein. A UE may monitor a serving cell of the UE and a neighbor cell of the UE to determine whether there is a network condition wherein the UE is to transition to an out-of-service (OOS) state if it were to fall to a Radio Resource Control (RRC) Idle state. The UE may react by, before expiration of an inactivity period corresponding to a transition to an RRC Idle mode, initiating signaling activity with a radio access network (RAN) node of the serving cell. In other embodiments, the UE may determine, based on a number of secondary devices connected to the UE, to initiate signaling with the RAN node of the serving cell before expiration of an inactivity period and according to whether a maximum number of extensions of an extension activity period has been reached.
US11991765B2 Mechanisms to support secondary channel operation
Methods, systems, and devices for wireless communication are described. The described techniques relate to improved methods, systems, devices, or apparatuses that support a 20 MHz station (STA) parked on a secondary channel. Without the described techniques, mechanisms to support secondary channel operation may be unable to receive management frames or broadcast traffic from an access point (AP), which may cause the STA to lose synchronization with the AP, miss a channel change or other critical announcement from the AP, etc. Considerations for providing such information to STAs parked on a secondary channel are discussed. In some examples, an AP may restrict resource unit allocation to the secondary channel on which the STA is parked. In some cases, a trigger-based random access mechanism may utilize aspects of the present disclosure to limit access to certain resource units to STAs on a given secondary channel.
US11991764B2 Multi-link re-setup and link change
This disclosure describes systems, methods, and devices related to an extreme high throughput (EHT) signaling structure. A device may establish a communication channel with one or more station devices (STAs). The device may generate an extreme high throughput signal field (EHT-SIG) of a header, wherein the EHT-SIG field comprises information associated with resource allocations (RUs). The device may generate a frame comprising the header. The device may assign a first RU to a first station device. The device may assign a second RU to the first station device, wherein the first RU or the second RU is an aggregation of a 26-tome RU and a neighboring RU. The device may cause to send the frame to the first station device.
US11991762B2 Direct connection communication method, AMF, access network functional entity and terminal
Disclosed by the present application is a direct connection communication method, an AMF, an access network functional entity and a terminal. The direct connection communication method comprises: a first terminal sending a direct connection communication request message to a second terminal, the request message carrying a direct connection communication quality of service (QoS) parameter; the first terminal receiving a direct connection communication response message which is from the second terminal and which is determined by according to the direct connection communication QoS parameter, the direct connection communication response message being used to indicate that the second terminal accepts or rejects a request of the first terminal; and if the direct connection communication response message indicates that the second terminal accepts the request of the first terminal, the first terminal establishes a direct connection communication connection to the second terminal according to the direct connection communication response message.
US11991759B2 Signal strength representation and automatic connection and control upon a self-propelled device
Systems and methods for facilitating automatic connection between a mobile computing device and a self-propelled device are provided. The self-propelled device can transmit a radio signal in a sleep mode. The mobile computing device may detect the radio signal and generate a visual representation of the signal strength to facilitate in establishing an automatic connection. Once the signal strength crosses a predetermined threshold, a connection and control sequence may be initiated automatically in which a control mode may be initiated on the mobile computing device to enable user control of the self-propelled device.
US11991757B2 Random access channel coverage enhancement
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a random access response associated with a random access channel (RACH) procedure. The UE may transmit, based at least in part on receiving the random access response, data indicating a request for coverage enhancement associated with an acknowledgment associated with the RACH procedure. Numerous other aspects are described.
US11991752B2 System and method for performing a random access procedure
A system and method for allocating network resources are disclosed herein. In one embodiment, the system and method are configured to perform: broadcasting at least one message indicating first and second formats. The first format is used by a plurality of wireless communication devices to send respective first random access preambles and the second format is used by the plurality of wireless communication devices to send respective second random access preambles. The first and second formats respectively correspond to first and second cell coverage ranges of a wireless communication node, wherein the second cell coverage range is greater than the first cell coverage range.
US11991751B2 Identification of user equipment in a random access procedure
A user equipment (UE) may be configured to generate a preamble of a first message associated with a random access channel (RACH) procedure, such as a two-step RACH procedure. The UE may be further configured to determine an identifier (ID) associated with the UE based on at least one of an ID associated with the preamble or a port index associated with a demodulation reference signal (DMRS). The UE may generate a payload of the first message that indicates the ID associated with the UE. The UE may then transmit the first message to a base station to initiate the RACH procedure. Potentially, the UE may receive a second message from the base station responsive to the first message, and the second message may confirm the ID associated with the UE.
US11991746B2 Channel access method, device and system in unlicensed band
The present invention provides a method, device, and system for adjusting a contention window size for performing channel access. The method includes: receiving uplink scheduling information on the uplink transmission including a new data indicator (NDI) associated with a specific subframe in a first uplink transmission burst; determining a contention window size based on the NDI; generating a random number N (N≥0) in the determined contention window size based on the NDI associated with the specific subframe; and performing the uplink transmission on the specific cell after sensing a channel on the specific cell at least for N slots while the channel on the specific cell is idle. If the NDI is toggled, the contention window size is reset to a minimum value, and if the NDI is not toggled, the contention window size is increased to a next higher allowed value.
US11991744B2 Method, apparatus and system for medium access control
A method, apparatus and system for medium access control is provided. Time slots configured to include mini slots at the beginnings thereof. Devices are assigned time slot, mini slot combinations as transmission opportunities. A device can attempt to use a transmission opportunity when it has a packet to send, by beginning data transmission in its assigned slot and mini slot and potentially continuing the transmission up until the end of the assigned slot. If another device is already transmitting in the assigned slot, the device refrains from using its transmission opportunity. Higher priority devices can be assigned transmission opportunities corresponding to earlier mini slots within a slot. In some embodiments, multiple devices can be assigned the same transmission opportunity and a collision detection mechanism can be employed. In some embodiments, all devices detect if a slot is idle and advance the beginning of the next slot upon such detection.
US11991742B2 Uu and sidelink prioritization for subband full duplex UEs
An apparatus and method for Uu and sidelink prioritization for subband full duplex UEs. The apparatus determines a priority level associated with channels that are scheduled to collide with each other. The apparatus transmits or receives a channel having a highest priority between the channels that are scheduled to collide with each other. The channel comprises at least one of an UL transmission, a DL reception, an SL transmission, or an SL reception. The apparatus enables simultaneous reception or transmission of the channel using a FD operation based on at least one condition.
US11991733B2 Communication device and communication method for handovers
A base station receives information regarding a communication quality of communication of a first other communication device and information regarding a frequency condition of the communication, and provides the information regarding the communication quality of the communication and information on a frequency condition in the communication to a second other communication device. The second other communication device performs communication using the information regarding the communication quality and the information regarding the frequency condition.
US11991732B2 Electronic device and method for wireless communication, and computer-readable storage medium
Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit, configured to: construct an interference overlapping diagram based on an interference/coexistence relationship between resource application systems within a management range, wherein a connection point of the interference overlapping diagram represents one or more resource application systems, and an edge of the interference overlapping diagram represents the fact that interference exists between the resource application systems represented by two connection points linked with the edge; remove one or more edges in the interference overlapping diagram so as to enable the interference overlapping diagram to meet a pre-determined condition after the removal; and carry out channel/resource allocation based on the adjusted interference overlapping diagram.
US11991731B2 Wireless station, data aggregation station, wireless system, transmission control method for wireless station, transmission control method for data aggregation, control circuit, and non-transitory storage medium
Provided are: a sending/receiving unit to receive data frames sent from another wireless station and receivable, the receivable data frames including a first data frame that is a relay target; an interference time storage unit to store an interference time that is a time from when the sending/receiving unit starts receiving each of the data frames to when the sending/receiving unit terminates receiving the data frame; a waiting time determination unit to determine a waiting time on a basis of the interference time; a frame generation unit to generate a second data frame by changing a destination of the first data frame to a data aggregation station that aggregates the data frames or to a wireless station that serves as a relay destination; and a transmission control unit to wait for the waiting time and cause the sending/receiving unit to send the second data frame.
US11991729B2 Resource configuration method and apparatus, and communication device
Implementations of the present disclosure provide a resource configuration method and apparatus, and a communication device. The method comprises: transmitting high-level signaling and physical layer signaling, the high-level signaling comprising configuration information of at least one preconfigured resource, and the physical layer signaling being used for determining a preconfigured resource to be activated or deactivated.
US11991724B2 Real time adaption of a latency critical application hosted by an end user device
A method includes: a) provisioning, at an end user device which is located in a cell of a wireless network, at least one latency critical application and a service layer radio application (SLRA) for communication with a scheduler associated with a base station of the wireless network, the base station serving the cell; b) transferring transmission specific data in real time between the at least one latency critical application and the scheduler via the SLRA, wherein the SLRA is implemented on both the end user device and the scheduler; and c) optimizing allocation of resources in the cell by taking into account current status and operation requirements of the at least one latency critical application and/or optimizing current use of the resources in the cell by using the transmission specific data for adapting the at least one latency critical application in real time to current conditions on the cell.
US11991715B2 Techniques to support user equipment based relaying for coverage enhancement
Methods, systems, and devices for wireless communications are described. The base station may transmit one or more transmissions to a first user equipment (UE) and a second UE, and the one or more transmissions may include a first grant for the first UE and a second grant for the second UE. The first grant may assign a first uplink resource for a source data transmission and a first downlink resource for feedback by the base station associated with the source data transmission. The second grant may assign a second uplink resource for a relay data transmission and a second downlink resource for feedback by the base station associated with the relay data transmission. The first UE and the relay UE may communicate with the other of the first UE and the second UE or the base station, or both, based on the first and second grant.
US11991709B2 Information scheduling methods and apparatuses, transceiving methods and apparatuses, base stations and user equipment
The present disclosure provides an information scheduling method and apparatus, an information transceiving method and apparatus, a base station, user equipment, and computer-readable storage mediums. The information scheduling method includes: configuring time unit information for user equipment (UE), where the time unit information indicates one or more time units; scheduling at least one of user data or uplink feedback of downlink data according to the configured time unit information.
US11991708B2 Information transmission method and communications apparatus
A terminal device receives first downlink control information (DCI) sent by a network device, where the first DCI carries first indication information and second indication information. The first indication information is used to indicate data transmission, and the second indication information is used to indicate an operation mode of an inactivity timer in discontinuous reception (DRX). The terminal device determines an operation mode of the inactivity timer based on the second indication information.
US11991702B2 Resource reservation
Apparatuses, methods, and systems are disclosed for resource reservation. One apparatus includes a receiver that receives an indication of resource reservation for uplink communication. The indication is based on information reported from a first remote unit. The apparatus also includes a processor that determines a resource based on the indication. The apparatus includes a transmitter that transmits data on the resource.
US11991697B2 Method and apparatus for subband based channel access on unlicensed spectrum
The present application relates to method and apparatus for subband based channel access on unlicensed spectrum. One embodiment of the present disclosure provides a method comprising: receiving a downlink control information (DCI) for scheduling transmission of data on a set of bandwidth portions of a carrier, wherein the carrier comprises a plurality of bandwidth portions; performing a listen-before-talk (LBT) test on the set of bandwidth portions; and transmitting the data on one or more bandwidth portions of the set of bandwidth portions based on a result of the LBT test.
US11991695B2 Handlingtime-varying packet size in downlink
A method and apparatus of a device that handles time-varying packet size in the downlink. In some embodiments, the method performed by a user equipment (UE) comprises: receiving a first signaling comprising configuration of downlink (DL) Semi-Persistent Scheduling (SPS), wherein the DL SPS configuration comprises a periodicity of the DL SPS and a first indication for a first physical layer resource, and wherein the first physical layer resource is used to dynamically modify size of a second physical layer resource for SPS DL data transmission; receiving a second signaling that activates reception based on the DL SPS, wherein the second signaling comprises information to specify a boundary of the second physical layer resource; monitoring the first physical layer resource on each SPS occasion based on the periodicity to decode a second indication; determining the size of the second physical layer resource for SPS DL data transmission, based on the second indication; and receiving data on the second physical layer resource determined for each SPS occasion based on the determined size.
US11991694B2 Communication system
A communication system is described in which a base station transmits, to a UE (user equipment), via a data radio bearer (DRB), a downlink data packet that includes information identifying a data flow. The downlink data packet is transmitted prior to commencement of transmission, via that DRB, of data packets comprising any downlink user-plane data associated with the identified data flow.
US11991693B2 Group-specific resource indications for uplink transmissions
Methods, systems, and devices for group-specific resource indications in mobile communication systems are described. An exemplary method for wireless communication includes determining, by a network node, an association among one set of one or more reference signals (RSs) and one or more groups, where each of the one or more RSs is associated with a usage or a time-domain behavior, and transmitting, to the terminal, a signaling message comprising the association. Another exemplary method for wireless communication includes determining, by the network node, a reference signal (RS) configuration, wherein the RS configuration comprises an association between one or more target RSs and a spatial granularity, and transmitting, to a terminal, a message comprising the RS configuration.
US11991692B2 Systems and methods for configuring symbol and symbol block parameters in wireless communication
Current frame structures in Long-Term Evolution (LTE) and New Radio (NR) place some restrictions on the symbols transmitted in the frame, e.g. restrictions related to the duration of each symbol. Embodiments are disclosed in which multi-carrier symbols and/or single-carrier symbol blocks have configurable parameters, such as configurable length and/or configurable location, thereby allowing for more flexibility in the scheduling and transmission of the symbols and/or symbol blocks. Some embodiments aim to implement the configurable parameters in a way that tries to reduce signaling overhead.
US11991690B2 Method and apparatus for flexible transmission on unlicensed spectrum
The present application relates to method and apparatus for flexible uplink transmission on unlicensed spectrum. One embodiment of the present disclosure provides an apparatus comprising: a receiver that receives an uplink grant for scheduling uplink transmission; a processor that: determines, based on the uplink grant, at least one candidate starting position in a scheduled time slot for the uplink transmission, wherein a candidate starting position, among the at least one candidate starting position, is determined based on a location of a Demodulation Reference Signal (DMRS) symbol; and determines a starting position for the uplink transmission from the at least one candidate starting position based on a result of performing a listen before talk (LBT) procedure on the scheduled time slot; and a transmitter that starts the uplink transmission in the scheduled time slot from the determined starting position.
US11991688B2 In-band interleaved uplink and downlink communication in full-duplex operation
A user equipment (UE) receives an allocation of resources for full duplex communication including one or more resource block (RB) sets and receives an indication of an uplink interlace pattern for uplink transmission from the UE. The UE transmits, in a full duplex mode, the uplink transmission based on the allocation of the resources and the uplink interlace pattern and monitors, in the full duplex mode, for a downlink transmission over frequency resources of at least a part of the one or more RB sets comprising the uplink transmission from the UE.
US11991687B2 Reducing interference in wireless networks
Methods, systems, and devices related to wireless communication are described. A method of wireless communication includes determining, by a communication device, one or more silent subcarriers among a plurality of subcarriers in a physical resource block (PRB) associated with a communication system; and determining to mute the one or more silent subcarriers in a resource mapping process based on a signaling instruction.
US11991686B2 CG/SPS in cross-division duplex
A user equipment may receive a configuration message comprising at least one of: a configured grant configuration, or a semi-persistent scheduling configuration, wherein configuration may be associated with a cross-division duplexing slot format, wherein the cross-division duplexing slot format may comprise at least one of: a cross-division duplexing time slot for concurrent transmission in a plurality of communication directions, or a cross-division duplexing time slot for transmission in one communication direction; receive an information indicating at least one resource of the configuration; determine whether the at least one resource is valid, based on a comparison between a corresponding cross-division duplexing slot format of the at least one resource and the cross-division duplexing slot format associated with the configuration; and perform communication with the network device on the at least one resource based, at least partially, on a determination that the at least one resource is valid.
US11991676B2 Method and device for transmitting data in wireless LAN system
A method and a device for transmitting data in a wireless LAN system are proposed. Specifically, an AP transmits a band switch announcement element through a first band supported by a first and a second RF. The AP changes the first band, supported by the second RF, to a second band on the basis of the band switch announcement element. The AP transmits first data to an STA through the first band supported by the first RF and the second band supported by the second RF. The first data is transmitted through a multiple band in which the first band and the second band are combined.
US11991675B2 Method for transmitting frame using selective beamforming and apparatus for performing the method
Disclosed are a frame transmission method using a selective beamforming and a communication apparatus to perform the frame transmission method. The communication apparatus may determine a beamforming matrix based on classification information in which a plurality of subcarriers used for communication is classified into a plurality of frequency units, may map a long training field (LTF) sequence to the beamforming matrix, and transmit a beamforming training (BF-T) frame including the mapped LTF sequence to a plurality of stations, may receive, from the plurality of stations having receiving the BF-T frame, feedback information generated based on a reception strength of the BF-T frame, and may allocate frequency units to data frames to be transmitted to the plurality of stations based on the feedback information, and transmit the data frames using the allocated frequency units. The reception strength of the BF-T frame may be determined at each station for each frequency unit.
US11991674B2 Methods, apparatus and systems for determining a transport block size in a wireless communication
Methods, apparatus and systems for determining a transport block size in a wireless communication are disclosed. In one embodiment, a method performed by a wireless communication device is disclosed. The method comprises: receiving control information from a wireless communication node, wherein the control information includes a plurality of transmission parameters related to transport blocks to be transmitted between the wireless communication device and the wireless communication node; calculating an intermediate transport block size (TBS) for the transport blocks based on the plurality of transmission parameters; modifying the intermediate TBS to generate a modified TBS in response to an event that the intermediate TBS is smaller than a threshold; and determining a final. TBS for the transport blocks based on a TBS that is closest to the modified TBS, among TBSs that are in a quantized set and not smaller than the modified TBS.
US11991673B2 Apparatus, method, and computer program
An apparatus comprising: at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: receive (1302) a resource configuration for a first cell group link; receive (1304) a resource configuration for a second cell group link; determine (1306) a mode of operation; and determine a resource type for the first cell group link or the second cell group link based on the resource configuration for the first cell group link, the resource configuration for the second cell group link and the mode of operation.
US11991672B2 Terminal and radio communication method
To properly control half-duplex communication in future radio communication systems, a user terminal according to one aspect of the present disclosure has a receiving section that receives slot format information for designating a slot format of a cell, and a control section that determines a slot format in each cell based on at least one of content designated by each slot format information and a signal type used in transmission of each slot format information, in the case of receiving a plurality of pieces of slot format information.
US11991668B2 Resource selection for aperiodic configured grant uplink communication
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a configuration of a resource pool for configured grant uplink communications and one or more parameters for identifying a resource set from the resource pool, wherein the resource set is a subset of resources in the resource pool; identify the resource set of the resource pool based at least in part on the one or more parameters; and transmit a configured grant uplink communication in a resource selected from the resource set. Numerous other aspects are provided.
US11991667B2 Methods and apparatus of multi-transmit/receive point transmission
A method of multi-transmit/receive point (multi-TRP) transmission. The method comprises receiving a parameter set and a physical downlink control channel (PDCCH) transmission from each of multiple TRPs; decoding each received PDCCH transmission to obtain a K1 value for each of the multiple TRPs based on each received parameter set; receiving a physical downlink shared channel (PDSCH) transmission from each of the multiple TRPs; determining a PDSCH reception slot location for each received PDSCH transmission; determining, based on each determined PDSCH reception slot location and each obtained K1 value, a candidate PUCCH slot location for each of the multiple TRPs; and determining a selected PUCCH slot location for the multiple TRPs based on comparison of all of the determined candidate PUCCH slot locations, wherein if all of the determined candidate PUCCH slot locations are not the same, the selected PUCCH slot location is a farthest candidate PUCCH slot location.
US11991665B2 Mapping two-stage sidelink control with multi-layer sidelink data channel
Certain aspects of the present disclosure provide techniques for mapping two-stage sidelink control with multiple layer sidelink data channel. A first user equipment (UE) can rate-match a multiple-layer second stage of a two-stage sidelink control information (SCI) transmission as a single layer. The first UE transmits the multiple-layer second stage of the two-stage SCI, to a second UE, using multiple antenna ports.
US11991663B2 Paging priority and wireless access for non-high priority access users during wireless network congestion
A method for paging priority and wireless access which includes receiving, at a base station and from a core network, a paging message associated with a priority connection from a first user equipment device (UE) having an elevated priority status, to a second UE having a non-elevated priority status. The method further includes determining, at the base station, that non-elevated priority wireless access channels are congested, detecting, at the base station, a priority indicator within the received paging message in response to determining that the non-elevated priority wireless access channels are congested. The method further includes caching, at the base station, an identifier of the second UE in response to detecting the priority indicator in the received paging message, and establishing a wireless connection between the first UE and the second UE upon verifying that the identifier of the second UE has been cached.
US11991660B2 Apparatus, methods, and computer programs
There is provided an apparatus configured to receive, from a first network entity associated with a first domain in a communication network, a request to communicate; determine a second network entity to which to send the request; determine that the second network entity is associated with a second domain in the communication network; and enforce at least one access policy for routing the request to the network entity, wherein the apparatus is a first service communication proxy trusted in both the first and second domains.
US11991659B2 Method for fine TA adjustment, and node using same
The present specification relates to a method by which a device performs data transmission or reception in a wireless communication system, comprising: performing an initial access operation with other devices; and transmitting first information (M−N) times and second information N times to the other devices, wherein M and N are respectively natural numbers, M is greater than N, and the first information and the second information are respectively the information related to timing adjustment, the first information has a value differing from that of the second information, and the data transmission or reception with the other devices is performed on the basis of a timing advance (TA) value, which is based on the average of all of the first information transmitted (M−N) times and the second information transmitted N times.
US11991652B2 Method for power optimized data transmission in a wireless cellular network
The present invention relates to a method for data transmission from a first user equipment to a base station of a cellular network, where the first user equipment is camping on under coverage enhancement conditions, the first user equipment being communicatively connected to at least one second user equipment via a device-to-device communication channel, wherein for the data transmission of at least one data packet, the method comprises the steps for the first user equipment of: transmitting the at least one data packet to the at least one second user equipment via the device-to-device communication channel, instructing the at least one second user equipment to transmit the at least one data packet time-synchronized with the first transmission to the base station.
US11991647B2 Uplink power control
Apparatuses, methods, and systems are disclosed for uplink power control. One method includes: receiving a message that configures a set of resources that each includes a downlink resource or an uplink sounding resource and is associated with an uplink transmission beam pattern; receiving scheduling information for an uplink transmission that is associated with a resource of the set of resources; determining an uplink transmission beam pattern associated with the resource; determining a configured maximum output power for the uplink transmission beam pattern that is based on an antenna array property associated with the uplink transmission beam pattern; determining a transmit power for the uplink transmission based on the configured maximum output power; and performing the uplink transmission using the uplink transmission beam pattern based on the transmit power.
US11991645B2 Determining a response by user equipment to a base station signal based on transmission signal strength relayed with the signal
The technologies described herein are generally directed to determining a response by a user equipment to a signal from a base station based on transmission signal strength relayed with the signal in a fifth generation (5G) network or other next generation networks. For example, a method described herein can include receiving initial signal from base station equipment, with the initial signal encoding a signal strength of the base station transmission, which can facilitate establishing a connection between the user equipment and the base station equipment. The method can further include, based on the signal strength value, estimating a likelihood that a response signal from the user equipment would be able to reach base station equipment. Further, the method can include, based on the estimated likelihood, determine a response to initial signal.
US11991643B2 Power control for wireless device cooperative transmission schemes
Generally, the described techniques provide for efficiently transmitting uplink signals to a base station using shared antennas associated with different power classes. A first device may be in communications with a base station using local antennas and may identify a second device having auxiliary antennas available for transmitting uplink signals to the base station. The local and auxiliary antennas may be associated with different power classes, and the first device may transmit a message to a base station indicating that the first device is capable of transmitting using antennas associated with different power classes. The first device may then receive configurations from a base station of different transmit powers to transmit on the antennas associated with the different power classes, and the first device may transmit uplink signals to the base station in accordance with the different transmit power configurations.
US11991637B2 Paging indication channel for EC-GSM-IoT
In accordance with the example embodiments of the invention there is at least a method an apparatus to perform determining signaling comprising at least one wake-up signal to indicate an occurrence or a non-occurrence of a paging request associated with a next paging occasion of a network device; and sending the signaling comprising the at least one wake-up signal toward a network device in a communication network, wherein the at least one wake-up signal is to cause the network device to determine whether to leave at the next paging occasion an energy saving sleep mode to receive the paging request. Further, there is performing receiving by a network device in a communication network at least one wake-up signal to indicate an occurrence or a non-occurrence of a paging request, wherein the at least one wake-up signal is for use by the network device to determine whether to leave at its next paging occasion an energy saving sleep mode to receive the paging request.
US11991627B2 DRX cycle length adjustment control
A method for controlling discontinuous reception in a wireless transmit/receive unit includes defining a plurality of DRX levels, wherein each DRX level includes a respective DRX cycle length and transitioning between DRX levels based on a set of criteria. The transitioning may be triggered by implicit rules.
US11991625B2 Cell selection using multiple factors
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may perform measurements on a plurality of cells. The UE may order the plurality of cells based at least in part on multiple factors including at least a cell selection condition, the cell selection condition indicating a threshold for the measurement for cell selection. The UE may select, based at least in part on the ordering, a cell from the plurality of cells. The UE may camp on the selected cell. Numerous other aspects are provided.
US11991621B2 Beam update for control resource sets
A wireless device receives one or more messages including configuration parameters, for transmission configuration indicator (TCI) indication, of a first control resource set (coreset) and a second coreset. The wireless device receives, via the first coreset and based on a first TCI state, a first control command indicating a second TCI state. In response to the receiving the first control command: downlink transport blocks are received via a downlink shared channel and based on the second TCI state, a first downlink control channel is received via the first coreset and based on the first TCI state; and a second downlink control channel is received via the second coreset and based on the second TCI state.
US11991619B2 Terminal, base station, radio communication method and system
A terminal is disclosed including a receiver that receives configuration information regarding a physical downlink control channel (PDCCH) to configure a common search space; and a processor that monitors downlink control information in the common search space based on the configuration information, wherein the configuration information includes information regarding a search space that is able to be specified by bits in an index of a master information block (MIB) and information regarding a search space index associated with a given search space. In other aspects, a radio communication method, a base station, and a system are also disclosed.
US11991615B2 Rewriting BAP headers in IAB
Method and apparatus to rewrite BAP headers in IAB networks. The apparatus receives, from a second base station, a routing configuration indicating a mapping between a first routing ID and a second routing ID. The apparatus receives a packet with a packet header indicating the first routing ID. The apparatus determines the second routing ID based on the routing configuration mapping the first routing ID in the packet header to the second routing ID. The apparatus modifies, based on a determination of the second routing ID, the packet header to replace the first routing ID with the second routing ID. The apparatus transmits the packet based on the second routing ID.
US11991611B2 Method and system for dynamic APN selection
A method for updating communication parameters on a mobile device, the method including sending a communication from the mobile device to a server, the communication including a location of the mobile device; receiving at the mobile device, responsive to the communication, a new communication parameter; reconfiguring the mobile device with the new communication parameter; and sending a second communication from the mobile device to the server, the second communication using the new communication parameter.
US11991610B2 Long term evolution (LTE) control region for downlink transmissions for enhanced machine type communications (eMTC)
Technology for an eNodeB operable to perform downlink (DL) transmissions using a Long Term Evolution (LTE) control region of a subframe for enhanced machine type communication (eMTC) is disclosed. The eNodeB can encode a system information block type 1 bandwidth reduced (SIB1-BR) for transmission 5 to a bandwidth reduced low complexity or coverage enhancement (BL/CE) user equipment (UE). The SIB1-BR can include an indication that the LTE control region in the subframe includes information for at least one of a machine type communication (MTC) physical downlink control channel (MPDCCH) transmission or a physical downlink shared channel (PDSCH) transmission. 10 The eNodeB can encode at least one of the MPDCCH transmission or the PDSCH transmission for delivery in a downlink over the LTE control region in the subframe to the BL/CE UE.
US11991603B2 Methods and apparatuses for facilitating roaming of terminal device
Methods and apparatuses are disclosed for facilitating roaming of terminal device. According to an embodiment, a session management node operable in a home network receives, from another session management node operable in a visiting network, a quality of service (QoS) policy per a roaming agreement between the visiting network and the home network during establishment of a protocol data unit (PDU) session for a terminal device. The session management node retrieves, from a subscriber management node, subscribed QoS parameters of the terminal device. The session management node obtains a result that is generated based on the QoS policy per the roaming agreement and the subscribed QoS parameters of the terminal device.
US11991598B2 Multicast transmission feedback and buffer processing
Methods, systems, and devices for wireless communications are described. A user equipment (UE) and a base station may communicate in a wireless communications system. The UE may receive first control signaling indicating a first radio network temporary identifier (RNTI) and a first feedback process identifier, where the first RNTI indicates scheduling of a unicast downlink transmission. The UE may also receive second control signaling indicating a second RNTI and a second feedback process identifier, where the second RNTI indicates scheduling of a multicast downlink transmission. The UE may manage a hybrid automatic repeat request (HARM) process at the UE associated with the unicast downlink transmission and the multicast downlink transmission based on the first RNTI, the first feedback process identifier, the second RNTI, and the second feedback process identifier. The UE may also simultaneously process multicast downlink transmission and broadcast signaling.
US11991593B2 Geolocation polling frequency for home automation
In some implementations, geolocation polling can include actions of receiving a location update from a user device of a user, determining an earliest time of arrival of the user to a home, determining, based on the earliest time of arrival, a time interval for a next location update, and providing instructions to the user device of the time interval for a next location update.
US11991591B2 Monitoring apparatus and system
A monitoring apparatus that provides multi-level monitoring of personal activities by a user. The monitoring apparatus includes a display, a user interface, a GPS location device, a timer or clock, and wireless or cellular communication transmitters or similar devices. The user designates one or more contacts who will be notified if certain pre-established monitoring conditions are met (e.g., if the user may be in trouble). When the pre-established monitoring conditions are met, the contacts are alerted and notified via phone, email, text, or similar means of communication, or combinations thereof, of the user's location, contact information, and the state that caused the alert and notification.
US11991583B2 User equipment (UE) enhancements relating to measurement relaxation
This disclosure provides systems, methods and apparatuses for controlling user equipment (UE) functionality associated with a mobility state. A UE may receive one or more mobility-based cell selection factors from a network. At least one mobility-based cell selection factor may indicate a preference for selecting a relatively lower-mobility cell. In some cell reselection examples, if a UE determines that multiple neighbor cells satisfy one or more cell reselection criteria, the UE may select the cell corresponding to the lowest mobility state. According to some call initiation examples in which a UE is configured for wireless communication via multiple subscriber services, the UE may select the subscriber service corresponding to the lower (or lowest) mobility state. According to some radio link failure (RLF) recovery examples in which there are multiple cells suitable for re-establishment, a UE may be configured to select a cell corresponding to the lowest mobility state.
US11991581B2 Methods and apparatus for multi-shot network parameter optimization
A system and method of a base station are configured to enable a multi-shot network parameter optimization. The method includes generating one or more specified Key Performance Indicators (KPI) constraints based on a selected set of KPIs. The method also includes adjusting common beam parameters to tune a common beam based on the selected set of KPIs. The common beam is tuned to satisfy the one or more specified KPI constraints. The method also includes adjusting handover A2 and A5 parameters based on searching within a three-dimensional space defined by specified A2 and A5 thresholds. The method further includes transmitting one or more signals based on the adjusted the common beam parameters and the adjusted handover A2 and A5 parameters.
US11991580B2 Method and system for realizing function by causing elements of hardware to perform linkage operation
A system that stores functional information indicating a capability of each of a plurality of elements located remotely from the system; identifies a function capable of being performed by linking a plurality of the elements based on the stored functional information; and transmits information corresponding to the identified function capable of being performed by linking the plurality of elements to a first device remote from the system.
US11991578B2 Base station device, terminal device, wireless communication system, and connection change method
A base station device includes: a processor that executes a process including judging whether each of a plurality of nodes that forms a relay network by establishing a wireless connection with each other and that is connected to the base station device is allowed to be connected to another base station device, and generating, when it is judged that a first node is allowed to be connected to the another base station device, connection information that includes information related to the another base station device; and a transmitter that transmits, via the first node, the connection information to a second node that is connected to a lower level of the first node in the relay network, and a terminal device that performs wireless communication with the first node or the second node.
US11991574B2 Method for cross-cell beam measurement
To support layer 1 (L1) and layer 2 (L2) centric inter-cell mobility and inter-cell multi-TRP operation, a user equipment (UE) may need to measurement the downlink reference signals from neighbor cells. To obtain these measurements, a UE may perform layer 3 (L3) measurements for one or more neighboring cells, and provide an L3 measurement report to a network node. Candidate measurement neighboring cells for L1 measurements may be identified based on the L3 measurements.
US11991573B2 Cell handover method and device, and user processing method and device
A cell handover method, a cell handover device, a user processing method and a user processing device are disclosed. The cell handover method includes receiving a trigger message sent by a User Equipment (UE), and sending a UE context setup request, which is configured to instruct a target distributed network element to set up a UE context, to the target distributed network element in response to the trigger message.
US11991563B2 Wireless communication network handovers of wireless user equipment that execute low-latency applications
A wireless communication device executes a low-latency application in a source wireless communication network based on application context that comprises an application user identifier, an application session identifier, and an application session pointer. A target wireless communication network detects a hand-in of the wireless communication device, and in response, obtains the application context for the wireless communication device from the source wireless communication network. The target wireless communication network wirelessly exchanges low-latency data with the wireless communication device for the low-latency application based on the application context that comprises the application user identifier, the application session identifier, and the application session pointer.
US11991562B2 Multicast and broadcast services (MBS) mobility with service continuity in connected state
Techniques are described for improving service continuity for Multicast and Broadcast Services (MBS) communications during handover. Techniques are included for supporting lossless handover and data forwarding during handover for peer-to-multiple (PTM) MBS transmission. Lossless handover may be achieved in part by the user equipment (UE) providing to the target base station an indication of the next packet of the MBS session to be received following an RRC reconfiguration message, and an indication of any MBS packets provided by the source base station prior to the RRC reconfiguration message that were not properly received by the UE. Data forwarding may be performed from the source base station to the target base station if the MBS session was not configured on the target base station prior to the handover. Data forwarding may be omitted if the MBS session was configured on the target base station prior to the handover.
US11991559B2 Congestion processing method and device
The present application provides a congestion processing method and device. The method includes: an access network device receives a first message transmitted by a source core network device, where the first message is used for indicating that the source core network device is overloaded; and the access network device, according to the first message, performs an operation of migrating the terminal device from the source core network device to a target core network device, where the target core network device and the source core network device support different communication systems. The congestion processing method according to the present application can solve the congestion problem of a core network device, realize load balancing between core network devices, and thereby improving user experience.
US11991558B2 Network slicing in a wireless communication network
A wireless communication network serves a wireless User Equipment (UE) over a working network slice and a protect network slice. The wireless communication network receives UE capability data from the wireless UE that indicates the working network slice and the protect network slice. The wireless communication network determines UE context for the working network slice and for the protect network slice. The wireless communication network exchanges initial user data with the wireless UE over the working network slice based on the UE context. The wireless communication network exchanges additional user data with the wireless UE over the protect network slice based on the UE context when performance of the working network slice triggers a slice switch based on the UE context.
US11991553B2 Control device, communication terminal, control method, non-transitory computer readable medium, MME, and base station for controlling a transmission resource using a communication pattern (CP) parameter
An object is to provide a control device which can control, in consideration of a traffic characteristic of an application operating between an application server and a communication terminal, traffic or a data amount transferred on a core network. A control device (10) according to the present example embodiment includes: a communication unit (12) configured to receive, via a service control device (20) which authenticates an application server (30) providing a service for a communication terminal (50), information relating to a transmittable data amount determined in the application server (30); and a control unit (11) configured to execute, by using the information relating to the transmittable data amount, traffic control on data transmitted from the communication terminal (50).
US11991552B2 SDAP reconfiguration based on state transition in sidelink communication
A method and apparatus for service data adaptation protocol (SDAP) reconfiguration based on state transition in sidelink communication is provided. A first wireless device receives, from a network in a connected state, information on quality of service (QoS) flow to data radio bearer (DRB) mapping, and upon leaving the connected state, keeps using the QoS flow to DRB mapping for a time duration until a new QoS flow to DRB mapping is used.
US11991550B2 Measurement configuration of user equipment
Systems, methods, and apparatus for performing measurement configuration using a user equipment, UE, and a network node are disclosed. An example method performed by a UE includes receiving a measurement configuration from a network node, where the measurement configuration specifies a reference frequency corresponding to a set of one or more carriers. The measurement configuration further specifies an offset from the reference frequency. The UE performs measurements on a reference signal located at the offset from the reference frequency and uses the measurements for one or more radio operations.
US11991548B2 Measurement-based random access configuration
A method includes: receiving one or more synchronization signals; deriving a synchronization reference from the one or more synchronization signals; receiving a plurality of reference signals; based on the derived synchronization reference, performing a plurality of measurements on the plurality of reference signals; based on the plurality of measurements, selecting a plurality of random access resources; and selecting a random access resource from the plurality of random access resources for transmitting a random access signal to at least one of the one or more TP's.
US11991542B2 Electronic device and method for wireless communication, and computer-readable storage medium
Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit configured to determine a resource, which is expected to be used for interference beam measurement and which is used for sending a reference signal, of a neighbor cell, wherein the interference beam measurement is used for measuring the degree of interference of a transmitted beam of the neighbor cell in a serving cell; report a resource indicator of the determined resource to a base station of the serving cell; and execute interference beam measurement on the basis of configuration information from the base station.
US11991538B2 Wireless communication failure analysis device, wireless communication failure analysis method, and recording medium having wireless communication failure analysis program stored therein
A wireless communication failure analysis device comprises: an estimator which, based on a measured communication state between an access point and a communication terminal, and an estimation of an obstacle affecting the communication state, estimates a movement locus of the communication terminal; a corrector which corrects the movement locus based on restriction information indicating a movement restriction of the communication terminal; a generator which generates the estimation result based on a corrected movement locus and the measurement result; and a controller which generates the restriction information so as to gradually strengthen the movement restriction until the movement restriction satisfies a condition, and controls the estimator and generator such that the estimation of the movement locus, the correction of the movement locus, and the generation of the estimation result repeatedly. Thus, the device analyzes presence of an obstacle that affects the wireless communication state efficiently and accurately.
US11991534B2 Signal processing method and network device
This application provides example signal processing methods, media, and apparatuses. One example method includes obtaining a scattering parameter matrix of passive echoes in an antenna system by a network device. The m virtual user directions are determined by the network device based on the scattering parameter matrix of the passive echoes, where the m virtual user directions are m directions in which total signal strength of the passive echoes is highest, and m is a positive integer. A target beam is formed based on n real user directions and the m virtual user directions, where one or more nulls of the target beam are aligned with the m virtual user directions, n is a positive integer, and n+m≤k.
US11991529B2 Utilizing NR guard band for efficient deployment of LTE-M in coexistence with NR
In one aspect, a method for communicating in a wireless communication network includes transmitting or receiving (402) using an LTE-M carrier within the bandwidth of an NR carrier such that the LTE-M carrier overlaps at least a portion of NR guard band. The transmitting or receiving may be subject to aligning subcarriers in LTE-M and NR on the same grid and subject to raster placement. The LTE-M carrier may be positioned within the NR carrier so as to minimize the number of NR resource blocks occupied by the LTE-M carrier.
US11991527B2 Communication method and communication device
Provided is a method, performed by an electronic device, of communicating with another electronic device through first communication, the method including: generating a first key based on a secret key of the electronic device and a public key of the other electronic device received through second communication independent of the first communication; transmitting a public key of the electronic device to the other electronic device through the second communication such that a second key corresponding to the first key is generated at the other electronic device; generating a timestamp sequence based on the first key; and conducting communication with the other electronic device through the first communication by using the timestamp sequence.
US11991526B2 Sidelink paired and unpaired states
A user equipment (UE) establishes a unicast link with a second UE, including establishing an authentication and security establishment procedure between the first UE and the second UE. The UE establishes a security context with the second UE during the authentication and security establishment procedure. The UE starts a timer based on a status of the unicast link. The UE reestablishes the unicast link with the second UE using the security context when the unicast link is reestablished prior to expiration of the timer.
US11991525B2 Wireless device access and subsidy control
The disclosed technology provides systems and methods for dynamically locking and unlocking wireless communication devices by enforcing updateable subscriber identity module (SIM) and public land mobile network (PLMN) policy information. A device receives policy information from a policy server, compares the policy information against information in the SIM and dynamically updates a lock state of the device based on the policy information, potentially overriding a factory lock state of the device. The policy information can include a whitelist indicating the SIMs that the device can accept. The device can also obtain and apply branding information when the SIM information matches the received policy information, and block access to certain device functionality when the SIM information does not match the policy information.
US11991523B2 Using multiple radio streams to thwart man-in-the-middle attacks
The present disclosure generally relates to apparatus, software and methods for thwarting radio spoofing techniques by requiring and sending data from multiple radios positioned such that the receiving client can determine that it came from multiple spatially separated radios due to the Angle of Arrival of each radio's signal.
US11991522B2 Apparatus and method for traffic security processing in 5G mobile edge computing slicing service
An apparatus for traffic security processing in a slicing service of mobile edge computing according to an embodiment of the present invention includes: a plurality of security modules for analyzing a received packet to respectively execute security functions suitable for slicing security of mobile edge computing; a controller for managing a slicing security module list in the mobile edge computing; and a main security module for analyzing a received packet on the basis of the slicing security module list to determine a security function to be executed and priority of the security function to be executed, wherein the controller transmits the received packet to at least one corresponding security module among the plurality of security modules according to the priority of the security function to be executed, which is determined by the main security module.
US11991516B2 Session migration method and apparatus
A session migration method includes sending, by a transmission management apparatus, registration request cancellation information to a subscriber information management apparatus in response to user plane security enforcement information of a packet data unit (PDU) session failing to match user plane encryption protection information of an evolved packet system (EPS). The registration request cancellation information is useable to indicate that the PDU session fails to support migration to the EPS, and the PDU session has been registered with the subscriber information management apparatus.
US11991514B2 Sound processing apparatus and controlling method of sound processing apparatus
A controlling method including controlling signal processing of the channel assigned to each of the plurality of first physical controllers, based on a parameter indicated by each of the plurality of first physical controllers, enabling a parameter change operation by the plurality of first physical controllers when a channel group set to be enabled by the third physical controller is designated, and disabling the parameter change operation by the plurality of first physical controllers when a channel group set to be disabled by the third physical controller is designated.
US11991511B2 Contextual awareness in dynamic device groups
Systems and methods for contextual awareness in dynamic device groups are disclosed. For example, a dynamic device group may be generated while output of content is occurring. When a user provides user input to alter the output of the content, contextual data indicating the devices in the dynamic device group when the user input is received may be generated and utilized by an application to determine which devices are to receive a command to perform an action responsive to the user input.
US11991509B2 Audio processing device and method
An audio processing device includes an input terminal to input an audio signal and a peak shift filter. The peak shift filter increases sound pressure with a first center frequency in the input audio signal as a first peak, and shifts the first center frequency between a preset lowest frequency and a preset highest frequency.
US11991503B2 Hearing assistance device with multipurpose microphone
Disclosed herein, among other things, are apparatus and methods for a multipurpose microphone for hearing devices. A hearing assistance device includes a first housing configured to be worn above an ear of a wearer and a second housing configured to be worn in the ear of the wearer. The device also includes a cable configured to connect to the first housing at a first end and to the second housing at the second end, and a microphone at the second end of the cable, the microphone including an input port facing an acoustic channel. A switch is provided in the acoustic channel, the switch having a first position such that acoustic input to the microphone is received from an inner portion of the ear of the wearer, and a second position such that acoustic input to the microphone is received from an area outside the ear of the wearer.
US11991502B2 System and method for personalized hearing aid adjustment
According to some embodiments, there is provided a method for personalized hearing aid adjustment, the method including receiving a user-initiated input regarding a perceived deficiency in the user's hearing experience, providing to the user, using a detection algorithm, a suggestion regarding an issue potentially related to the perceived deficiency in the user's hearing experience, receiving from the user a second user input regarding the relevancy of the suggested issue; wherein when the second user input is indicative of the suggested issue being relevant to the perceived deficiency in the user's hearing experience, providing a suggested solution to the perceived deficiency utilizing a solution algorithm, wherein the suggested solution comprises adjusting one or more parameters of the hearing aid.
US11991499B2 Hearing aid system comprising a database of acoustic transfer functions
A hearing aid microphone system includes M microphones providing corresponding electric input signals. Environmental sound at a given microphone includes a target sound signal propagated via an acoustic propagation channel from a direction to or a location of a target sound source to the microphone, and possible additive noise signals. The acoustic propagation channel is modeled. The hearing aid system includes: a processor connected to the microphones, and a database Θ having a multitude of dictionaries Δp, p=1, . . . , P, where p is a person index, of vectors, termed ATF-vectors, whose elements ATFm, m=1, . . . , M, are frequency dependent acoustic transfer functions representing direction- or location-dependent, and frequency dependent propagation of sound. The processor is configured to, at least in a learning mode of operation, determine personalized ATF-vectors based on the multitude of dictionaries Δp, the electric input signals, and the model of the acoustic propagation channels.
US11991495B2 Modular earpiece adaptor
A modular earpiece adaptor may include an earpiece adaptor body having an upper surface and a lower surface, and one or more apertures within the earpiece adaptor body extending from the upper surface to the lower surface. The one or more apertures may be configured to removably couple one or more earpiece inserts to the earpiece adaptor body. The earpiece adaptor body is configured to be removably couplable to an earpiece housing.
US11991492B2 Display apparatus
A display apparatus includes a display panel configured to display an image, and a sound generating device on a rear surface of the display panel and configured to vibrate the display panel to generate sound, wherein the sound generating device includes a plate, a magnet and a center pole on the plate, and an oval-shaped bobbin around the center pole.
US11991491B2 Vehicle sensor
Devices and meters comprising: a housing configured to mount to a pole supporting an existing meter, the housing defining an interior; a sensor within the interior of the housing, the sensor configured to collect environmental information pertaining to the local external environment of the existing meter; a wireless radio within the interior of the housing, the wireless radio configured to transmit the environmental information to the existing meter or to a remote server in communication with the existing meter; a power unit within the interior of the housing, the power unit supplying power to the sensor and the wireless radio.
US11991487B2 Method, system, and computer-readable medium for improving color quality of images
In an embodiment, a method includes receiving and processing a first color image by an encoder. The first color image includes a first portion of the first color image and a second portion of the first color image located at different locations of the first color image. The encoder is configured to output at least one first feature map including fused global information and local information such that whether a color consistency relationship between the first portion of the first color image and the second portion of the first color image exists is encoded into the fused global information and local information.
US11991483B2 Background display device
A background display device for a virtual image recording studio that is configured to display, behind a real subject, a representation of a virtual background for a camera recording comprises at least one panel having a plurality of actively illuminating picture elements. The picture elements form a two-dimensional arrangement that extends along a first direction of extent and a second direction of extent oriented perpendicular thereto, wherein a respective spacing, measured along the second direction of extent, of the picture elements from a first reference line that extends rectilinearly along the first direction of extent varies irregularly along the first direction of extent.
US11991481B2 Display method, information processing device, and non-transitory computer-readable storage medium storing program
There is provided a display method including acquiring first information representing a three-dimensional shape of a room including a projection surface onto which a first image is projected, displaying, based on the first information, a second image showing the three-dimensional shape of the room by a display device, acquiring second information which defines a projection range of the first image in the projection surface by receiving operation for designating the projection range, and displaying, by the display device, and based on the first information and the second information, third information superimposed on the second image indicating at least one of a number of one or a plurality of projectors disposed in the room in order to project the first image in the projection range, a model of the one or the plurality of projectors, or a setting position in the room of the one or the plurality of projectors.
US11991480B2 Recording device, recording method, reproduction method, and program to acquire imaging data of inside or outside of a vehicle
A recording device includes an imaging data acquisition unit configured to acquire imaging data including video data and audio data imaging an inside of a vehicle or an outside of the vehicle to which the recording device is mounted, an event detection unit configured to detect occurrence of an event for the vehicle, a recording control unit configured to record first imaging data in a recording unit when recording of the imaging data in the recording unit is caused by the event detected by the event detection unit, and record second imaging data in the recording unit when recording of the imaging data in the recording unit is not caused by the event detected by the event detection unit, and a reproduction control unit configured to reproduce the video data and the audio data included in the first imaging data when reproducing the first imaging data.
US11991477B2 Output control apparatus, display terminal, remote control system, control method, and non-transitory computer-readable medium
An output control apparatus is communicable with a communication apparatus through a communication network. The communication apparatus includes a first image capturing device configured to capture a subject at a remote site to acquire a first image and a second image capturing device configure to capture a part of the subject to acquire a second image. The output control apparatus includes circuitry to: receive the first image transmitted from the communication apparatus; output the received first image so as to be displayed on a display; receive, from the communication apparatus, the second image acquired by capturing a part of the subject corresponding to a display position of the first image displayed on the display; output the received second image so as to be displayed on the display; and control the display to display the first image and the second image that are output.
US11991472B2 Method for performing image processing and capturing photo frame in parallel
A method for image processing is provided. The method includes: capturing and receiving a first set of photo frames; storing the first set of photo frames into a storage unit; performing image processing on the first set of photo frames; and capturing and receiving a second set of photo frames. The performing image processing on the first set of photo frames and the capturing and receiving the second set of photo frames are performed simultaneously. The performing image processing on the first set of photo frames includes: reading the first set of photo frames from the storage unit; storing the first set of photo frames into a temporary storage unit; performing image processing on the first set of photo frames by using an image processing algorithm; and outputting a first output picture.
US11991471B2 Antenna meter app
Disclosed is an over-the-air (OTA) antenna meter application (“meter app”) that wirelessly connects to an OTA antenna meter (“meter”) installed with an OTA antenna and presents information that facilitates a user in installing the OTA antenna at the premises of a customer. For example, the meter app can help the user in pointing and peaking the OTA antenna for one or more broadcast channels, e.g., those selected by the customer. The meter app can store installation information of the OTA antenna for various installations, which can be used in generating a recommendation of, or predicting, installation information for installing the OTA antenna at a specified address. The predicted installation information can include broadcast channels that would be available for reception at the specified address and their signal strength, a specific location of installation on the premises, or whether a pre-amplifier and/or filter is required.
US11991470B2 Simulated photographing special effect generation method and apparatus, device, and medium
A simulated photographing special effect generation method is provided, comprising: in response to a setting operation of a user on a special effect behavior event, adding a photographing behavior event; in response to a setting operation of the user on an image element associated with the photographing behavior event, determining an image element before photographing and/or an image element after photographing associated with the photographing behavior event; in response to a setting operation of the user on a trigger condition of the photographing behavior event, determining a trigger condition associated with the photographing behavior event; and storing the image element before photographing, the image element after photographing, and the photographing trigger condition which are associated with the photographing behavior event in association in a special effect configuration file.
US11991451B2 Imaging device and imaging processing method
An imaging device includes: an imaging unit; an imaging time information storage unit configured to store imaging time information for each imaging direction; and a distribution information generation unit configured to sequentially acquire frames from an image signal, cut out partial image information of a preset cutout range, generate distribution image information, specify an imaging direction with the longest imaging time at a predetermined determination timing, determine whether the partial image information of the cutout range acquired when the specified imaging direction is captured is included in an imaging angle of view after an imaging direction has changed, and when it is determined as being included, cut out a range corresponding to the partial image information of the cutout range acquired when the specified imaging direction is captured, from a frame to be acquired subsequently, thereby generating the distribution image information.
US11991449B2 Imaging apparatus capable of changing thinning-out rates for different angles of view
Provided is an imaging apparatus that obtains a video with a resolution of satisfactory quality and a small angle of view from a video with a large angle of view through real-time image processing. An imaging apparatus has an imaging element that captures an optical image of a standard video with a first angle of view, and a control unit that includes a first mode and a second mode as a video imaging mode and records video data of a video based on the optical image. The control unit executes first recording processing of recording video data of the standard video using the imaging element in the first mode. The control unit executes setting processing of setting a recording region with a second angle of view smaller than the first angle of view in the standard video and second recording processing of recording a video data of a recorded video of the recording region in the second mode. In the first recording processing and the second recording processing, thinning-out drive to thin out a part of readout of a plurality of pixels in the optical image is executed. A second thinning-out rate of the thinning-out drive of the second recording processing is set to be lower than a first thinning-out rate of the thinning-out drive of the first recording processing.
US11991442B2 Method and device for predicting user's intent
A method for predicting user's intent is provided. The method is performed by a computing device and includes: receiving spatial information and acceleration data from a portable device and a wearable device worn by a user, wherein the wearable device and the portable device measure the spatial information between each other via UWB when either the wearable device or the portable device detects that an activity of the user or a motion status of either the wearable device or the portable device has changed based on the acceleration data measured by accelerometers in the wearable device and the portable device; identifying a behavior of the user using the wearable device and the portable device and predicting user's intent based on the spatial information and the acceleration data; and transmitting a notification signal to the wearable device to notify the user of user's intent.
US11991440B2 Treatment-based image capture guidance
A method for treatment-based photo guidance may include receiving a treatment plan, determining the movement of a first one or more teeth based on the movement of tooth models in the treatment plan, and determining one or more photo views for capturing the movement of the first one or more teeth.
US11991438B2 Imaging device and electronic device
An imaging device capable of executing image processing is provided. An imaging device with low power consumption is provided. A highly reliable imaging device is provided. An imaging device with higher integration degree of pixels is provided. An imaging device manufactured at low cost is provided. The imaging device includes a photoelectric conversion device, a first transistor that is formed in a first layer and includes silicon in a channel formation layer, and a capacitor that is formed in a second layer bonded to the first layer. One of a source and a drain of the first transistor is electrically connected to one of electrodes of the photoelectric conversion device, and the other of the source and the drain of the first transistor is electrically connected to one of electrodes of the capacitor. A pixel having a function of generating first data and a function of multiplying the first data to have a given magnification to generate second data is included. The first data and the second data each have an analog value.
US11991437B2 Robot, control processing method, and non-transitory computer readable recording medium storing control processing program
A first camera robot includes: a camera that captures an image of surroundings; an image recognizer that detects one or more subjects from within a captured image; a controller that selects an operation pattern of the first camera robot based on an attribute of one or more subjects detected, and causes the robot to operate according to the selected operation pattern; a communicator that transmits, to another camera robot, instruction information for causing the other robot to operate according to the selected operation pattern; and a shutter that outputs an image obtained by capturing the one or more subjects while the first camera robot and the other robot are operating according to the selected operation pattern.
US11991436B2 Driving mechanism
A driving mechanism is provided, including a base, a movable unit, and a movable part. The movable unit is movably disposed on the base and connected to an optical element. The movable part is movably disposed on the base and forms a passage. When the movable part moves from the first position to the second position relative to the base, the movable unit can slide relative to the base from its initial position through the passage to a closed position.
US11991432B2 Camera module and optical device
An embodiment may comprise: a housing; a first circuit board disposed in the housing; a magnet disposed in the housing; a holder spaced apart from the housing; a second circuit board coupled to the holder; a coil disposed on the second circuit board and corresponding to the magnet; a connection substrate comprising a first terminal; an image sensor disposed on the connection substrate; a support member having one end coupled to the first circuit board; and an elastic connection member comprising a first coupling part disposed in the holder and coupled to the first terminal, a second coupling part coupled to the other end of the support member, and a connection part for connecting the first coupling part and the second coupling part.
US11991428B2 Camera module including a lens assembly including a liquid lens
Disclosed in an embodiment is a camera module including a lens assembly including a liquid lens including a first liquid and a second liquid which form an interface therebetween, a voltage controller which applies a driving signal to the liquid lens to adjust the interface, a temperature sensor which detects temperature information of the liquid lens, an image sensor which receives light passing through the lens assembly, a sensing unit which detects information corresponding to the interface of the liquid lens, and a compensation unit which outputs feedback information to the voltage controller using the information corresponding to the interface of the liquid lens and the temperature information.
US11991426B2 Photographing module and terminal device
A photographing module is provided, including a module housing, and a light sensing chip and a light capturing apparatus that are disposed in a cavity of the module housing, where a first light capturing hole and a second light capturing hole are provided on two opposite sides of the module housing, the light capturing apparatus is disposed opposite to each of the first light capturing hole and the second light capturing hole, in a first photographing state, ambient light passing through the second light capturing hole is projected onto the light sensing chip through the light capturing apparatus, and in a second photographing state, ambient light passing through the first light capturing hole is projected onto the light sensing chip through the light capturing apparatus.
US11991424B2 Immersive media data complexity analyzer for transformation of asset formats
Analyzing the complexity of an object of a scene in a media steam (or media data) performed by at least one processor, is provided, including receiving immersive media data comprising a plurality of scenes from a content source; obtaining a respective object of a respective scene in the plurality of scenes, from the immersive media data; analyzing the respective scene to generate complexity information associated with the respective object of the respective scene; generating metadata associated with the respective object of the respective scene, the metadata comprising the complexity information; and determining whether to distribute the respective scene to a client for processing based on the generated metadata.
US11991421B2 Electronic device and method for processing voice input and recording in the same
An electronic device according to various embodiments includes: a microphone, a memory, and a processor, wherein the memory stores instructions which, when executed, cause the processor to: control the electronic device to copy a signal acquired from the microphone, record a first signal, and perform voice recognition on a second signal based on a recording operation using the microphone being executed, determine an editing section including unnecessary information in the first signal based on a voice recognition result for the second signal, and generate recording data by editing the unnecessary information included in the determined editing section in the first signal.
US11991420B2 Live commenting processing method and system
The present disclosure describes techniques of processing bullet comments. The techniques comprise acquiring a page of playing a video to output a video stream; acquiring multiple pieces of bullet comment data associated with the video stream; traversing the multiple pieces of bullet comment data and determining whether the multiple pieces of bullet comment data comprise at least one piece of bullet comment data in an expired state; and deleting the at least one piece of bullet comment data in the expired state from the plurality of pieces of bullet comment data in response to determining that the plurality of pieces of bullet comment data comprise the at least one piece of bullet comment data in the expired state.
US11991418B1 Methods and apparatus for modifying an augmented and/or virtual reality experience
Methods and apparatus for implementing a playback system capable of operating as a virtual or augmented reality device are described. In various embodiment one or more environmental triggers are detected and an action is taken based on the detected trigger, user input and/or other environmental conditions. The methods allow a user who is subject to an immersive experience to smoothly transition in/or out of the virtual environment and respond to environmental triggers which may require a user to take an action.
US11991417B2 Systems and methods for intelligent media content segmentation and analysis
There is provided a system including a non-transitory memory storing an executable code and a hardware processor executing the executable code to receive a media content including a plurality of frames, divide the media content into a plurality of shots, each of the plurality of shots including a plurality of frames of the media content based on a first similarity between the plurality of frames, determine a plurality of sequential shots of the plurality of shots to be part of a first sub-scene of a plurality of sub-scenes of a scene based on a timeline continuity of the plurality of sequential shots, identify each of the plurality of shots of the media content and each of the plurality of sub-scenes with a corresponding beginning time code and a corresponding ending time code.
US11991413B2 Systems and methods for detecting a number of viewers
Systems and methods for detecting a number of viewers of a media device are disclosed. The methods comprise generating for display on the media device a media asset, initiating a first scan while displaying the media asset for nearby user devices within a detectable range, determining a number of nearby user devices, determining a direction and distance from the media device to each of the user devices, and determining the number of viewers of the media device currently consuming the media asset, based on the distance and direction of the user devices.
US11991412B2 Standard dynamic range (SDR) / hybrid log-gamma (HLG) with high dynamic range (HDR) 10+
A computer-implemented method includes performing analysis to determine information associated with a high dynamic range (HDR) media content item. A standard dynamic range (SDR) version of the HDR media content item is derived using HDR metadata. The derivation including encoding the HDR media content item to SDR content and normalizing data of the SDR content. The HDR metadata and the SDR version of the HDR media content item are transmitted with embedding of the HDR metadata within a protocol with the SDR version to a storage service. The HDR metadata and the SDR version are caused to be received at a display device. The SDR version is converted to HDR per incremental portion with a dynamic range bounded based on the HDR metadata of the protocol.
US11991410B2 Video processing method, video processing apparatus, and non-transitory computer-readable storage medium
This disclosure relates to a video processing method, a video processing apparatus, and a non-transitory computer-readable storage medium. The video processing method includes: providing an interactive interface of entering a duet mode for a user in response to a shooting request of the user; presenting a plurality of recommended duet videos to the user through a duet mode interface in response to the user's selection of the duet mode on the interactive interface; and performing a duet in response to a duet request inputted by the user based on one of the plurality of recommended duet videos.
US11991409B2 Remote controller, control method thereof and image processing apparatus having the same
A remote controller includes a touch screen, a communicator, and a processor. The processor controls control a first user interface to be displayed on the touch screen, identifies a signal which is received through the communicator while the first user interface is displayed on the touch screen, and controls a second user interface to be displayed on the touch screen based on the received signal. The second user interface performs a function which is different from that of the first user interface.
US11991407B2 Magnetic connector attachment and heat sinking
A co-processor module for use with a set top box including an enclosure and a processor assembly contained in the enclosure. The processor assembly can include a PCB, a processor, and a USB connector. One or more magnets extend through a wall of the enclosure and are positioned to contact a surface of the set top box when the USB connector is connected to the set top box.
US11991405B2 Systems and methods for automated extraction of closed captions in real time or near real-time and tagging of streaming data for advertisements
System and methods for finding and analyzing targeted content from audio and video content sources, including means and methods for extracting captions from audio and video content sources; searching the captions for a mention of at least one target; extracting audio and video segments relating to the at least one target; delivering extracted audio and video segments to a user device; harvesting social media data relevant to the at least one target; analyzing the search results in correlation with the social media data for target content.
US11991404B2 Synthetic total audience ratings
Example methods, apparatus, systems and articles of manufacture to determine synthetic total audience ratings are disclosed. Disclosed example apparatus are to access census data including census viewing statements associated with media content presented by census devices, access panel data including panelist viewing statements associated with media content presented by panel devices, the panel data including weights to represent numbers of individuals to be represented by corresponding panelists, determine scores representing similarities between ones of a first group of census devices determined to having matching panel devices in the panel data and ones of a second group of census devices determined to be unmatched in the panel data, and assign the census devices to the panel devices based on the scores and the weights.
US11991401B2 Method for searching advertisement insertion position and method for automatically inserting advertisement in video
A method for searching an AD insertion position includes following steps: S1. identifying a human body area in a video image; S2. identifying a blank wall area in the video image; and S3. determining the AD insertion position in the blank wall area in the video image, so that the AD insertion position intersects the human body area. A method for automatically inserting an advertisement AD in a video includes following steps: determining an AD insertion position in the video by searching a product AD insertion position based on deep learning, and inserting the AD on the position. Through the method, an appropriate position for an AD can be automatically searched on a blank wall part in the video. In addition, the inserted AD can be presented in the video in a natural way, and thereby avoiding or reducing the impact of AD insertion on impression of the video.
US11991400B2 Device for executing audio cryptology in real-time for audio misappropriation prevention
Embodiments of the present invention provide a system for executing audio cryptology in real-time for audio misappropriation prevention. The system is configured for identifying, via a cryptographic device, one or more audio signals, causing the cryptographic device to generate and emit a dynamically varying continuous audio tone, continuously monitoring in real-time the one or more audio signals, via the cryptographic device, determining, via the cryptographic device, termination of the one or more audio signals based on continuously monitoring the one or more audio signals in real-time, and causing the cryptographic device to stop generating and emitting the dynamically varying continuous audio tone.
US11991395B2 Techniques for constraint flag signaling for range extension with rice coding
Aspects of the disclosure provide methods and apparatuses for video data processing. In some examples, an apparatus for video data processing includes processing circuitry. For example, the processing circuitry determines a first syntax element for coding control in a first scope of coded video data in a bitstream. The first syntax element is associated with a coding tool of a slice based Rice coding for a residual coding in a transform skip mode. The coding tool provides a Rice parameter at a slice level for the residual coding in the transform skip mode. In response to the first syntax element being a first value indicative of disabling of the coding tool in the first scope, the processing circuitry decodes the first scope of coded video data that includes one or more second scopes of coded video data without invoking the coding tool.
US11991393B2 Methods and apparatuses for coding video data with secondary transform
Video processing methods and apparatuses in a video encoding or decoding system for transforming residuals of transform blocks into final transform coefficients or inverse transforming final transform coefficients into residuals. In order to solve the latency issue, exemplary embodiments check if a width or height of a coding block is larger than a predefined threshold, and disable secondary transform or inverse secondary transform for any transform block within the coding block if the width or height of the coding block is larger than the predefined threshold. Another embodiment checks if there are multiple transform blocks in a coding block, and disables secondary transform or inverse secondary transform if the coding block contains multiple transform blocks.
US11991392B2 Efficient context model computation design in transform coefficient coding
A transform type is obtained for decoding the transform block of transform coefficients. A template for entropy-decoding values related to the transform coefficients is selected based on the transform type. The template indicates, for a to-be-coded value, positions of already coded values. A context for selecting a probability distribution for entropy decoding a current value of the values is determined using the template. The current value is entropy decoded from a compressed bitstream using the probability distribution.
US11991385B2 Image coding method and apparatus using motion vector
According to embodiments according to the present document, merge mode motion vector differences (MMVD) and symmetric motion vector differences (SMVD) may be performed on the basis of reference picture types and, in particular, short-term reference pictures may be used. Accordingly, prediction performance and coding efficiency in an inter prediction mode may be increased.
US11991384B2 Adaptive control point selection for affine motion model based video coding
Systems, methods, and instrumentalities are disclosed for motion vector clipping when affine motion mode is enabled for a video block. A video coding device may determine that an affine mode for a video block is enabled. The video coding device may determine a plurality of control point affine motion vectors associated with the video block. The video coding device may store the plurality of clipped control point affine motion vectors for motion vector prediction of a neighboring control point affine motion vector. The video coding device may derive a sub-block motion vector associated with a sub-block of the video block, clip the derived sub-block motion vector, and store it for spatial motion vector prediction or temporal motion vector prediction. For example, the video coding device may clip the derived sub-block motion vector based on a motion field range that may be based on a bit depth value.
US11991383B2 Apparatus and method for encoding motion vector determined using adaptive motion vector resolution, and apparatus and method for decoding motion vector
A method of decoding a motion vector includes: obtaining information indicating a motion vector resolution (MVR) of a current block from a bitstream, selecting one candidate block from among at least one candidate block, based on the MVR of the current block; and obtaining a motion vector of the current block corresponding to the MVR, by using a motion vector of the determined one candidate block as a prediction motion vector of the current block.
US11991381B2 Coding tool setting method and video decoding apparatus
A coding tool setting method and a video decoding apparatus using the same are disclosed. An embodiment of the present invention relates to a method for setting whether or not to use a coding tool, and provides a coding tool setting method comprising the steps of: decoding, from a bitstream, a profile syntax element indicating a target profile among available profiles and a coding tool syntax element for configurable coding tools, the coding tool syntax element indicating whether or not to apply the coding tool; and setting, on the basis of the coding tool syntax element, target coding tools that are coding tools included in the target profile to be on or off.
US11991374B2 Display apparatus and driving method thereof
A display apparatus includes an encoder which compresses first image data to generate second image data, a decoder which recovers the first image data to generate third image data, and a display panel which displays an image, in which the encoder separates the first image data into a plurality of sub-color data, and generates a low frequency component of minor sub-color data among the plurality of sub-color data and the remaining sub-color data as the second image data, and the decoder generates recovery minor sub-color data corresponding to the minor sub-color data by using the low frequency component of the minor sub-color data and the high frequency component of one of the remaining sub-color data in the second image data, and generates the recovery minor sub-color data and the remaining sub-color data as the third image data.
US11991373B2 Method and device for picture encoding and decoding
A cross-component dependent tool to be used for a chroma block of a picture is enabled responsive to a size of said chroma block and to a size of at least one luma block co-located with the chroma block. Then, the chroma block is decoded responsive to said enablement of said cross-component dependent tool. A encoding and decoding methods are presented as well as encoding and decoding devices.
US11991371B2 Image processing system for region-of-interest-based video compression
An apparatus for remote processing of raw image data receives the raw image data from a camera, such as a security camera. The apparatus includes a detection module to detect portions of the image data that contain possible regions of interest. Information indicating the portions that contain the possible regions of interest is then used during a compression process so that the portions that contain the possible regions of interest are compressed using one or more compression algorithms to facilitate further analysis and the remainder are treated differently. The compressed image data is then transmitted to a central system for decompression and further analysis. In some cases, the detection system may detect possible regions of interest which appear to be faces, but without performing full facial recognition. These parts of the image data are then compressed in such a way as to maintain as much facial detail as possible, so as to facilitate the facial recognition when it is carried out at the central server. The detection may be performed on the raw image data or may be performed as part of the compression process after a transformation of the raw image data has been carried out.
US11991370B2 Intra prediction device, image encoding device, image decoding device and program
An intra predictor (181) for performing intra prediction on each of blocks obtained by dividing an original image in the form of a frame, the intra predictor (181) includes; a linear model calculator (1811a) configured to calculate a linear model of the luminance component and the chroma component of the target block using decoded pixel values of the luminance component and decoded pixel values of the chroma component around the target block on which the intra prediction is performed; a chroma component predictor (1811b) configured to predict pixel values of the chroma component of the target block by applying the linear model calculated by the linear model calculator (1811a) to decoded pixel values of a luminance component of the target block; and a chroma component corrector (1812) configured to correct predicted pixel values of the chroma component obtained by the chroma component predictor (1811b) using decoded pixel values that were not used to calculate a linear model by the linear model calculator (1811a) of decoded pixel values around the target block.
US11991365B2 Bidirectional prediction method and video decoding apparatus
A method of inter-predicting a current block using any one of a plurality of bi-prediction modes is disclosed. The method comprises decoding, from a bitstream, mode information indicating whether a first mode included in the plurality of bi-prediction modes is applied to the current block. When the mode information indicates that the first mode is applied to the current block, the method further comprises: decoding, from the bitstream, first motion information including differential motion vector information and predicted motion vector information for a first motion vector and second motion information not including at least a portion of predicted motion vector information and differential motion vector information for a second motion vector; and deriving the first motion vector based on the first motion information and deriving the second motion vector based on both at least a portion of the first motion information and the second motion information.
US11991364B2 Adaptive resolution for motion vector difference
This disclosure relates to encoding and decoding of motion vector difference for inter-predicting a video block. An example is disclosed for decoding an inter-predicted video block of a video stream. The method may include determining that a motion vector associated with the inter-predicted video block is encoded as a motion vector difference (MVD) between the motion vector and a reference motion vector; obtaining, from the video stream, an indication of a magnitude range of the MVD among a plurality of predefined magnitude ranges for motion vector differences; determining a pixel resolution for the MVD according to the magnitude range; identifying additional MVD information in the video stream based on the pixel resolution; extracting the additional MVD information from the video stream; and decoding the inter-predicted video block based on the pixel resolution, the additional MVD information, the reference motion vector, and a reference frame associated with the motion vector.
US11991360B2 Method and apparatus for secondary transform with adaptive kernel options
This disclosure relates to secondary transform of video blocks with adaptive kernel options. For example, a method for decoding a video block in an video stream is disclosed. The method may include comprising parsing and processing the video stream to generate: a set of secondary transform coefficients associated with the video block; an intra-prediction mode associated with the video block; and a kernel index indicating a secondary transform kernel among a group of secondary transform kernels. The method may further include identifying the group of secondary transform kernels based on the intra-prediction mode; and performing an inverse secondary transform of the set of secondary transform coefficients to generate primary transform coefficients of the video block based on the secondary transform kernel among the group of secondary transform kernels identified by the kernel index. The quantity of kernels in the group of secondary transform kernels depends on at least one of: the intra-prediction mode associated with the video block; a size of the video block; or a primary transform type associated with the video block.
US11991357B2 Image encoding/decoding method and device using adaptive size limiting of chroma block and bitstream transmission method
An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus includes determining a splitting structure of a current block composed of chroma components, determining a splitting type of the current block based on the splitting structure, obtaining a plurality of lower-layer blocks by splitting the current block based on the splitting type, and decoding the lower-layer blocks based on a prediction mode of the lower-layer blocks.
US11991355B2 Factional sample interpolation for reference picture resampling
Concepts are described, including encoding of a video into data stream and decoding of a data stream having a video encoded thereinto, using motion compensation prediction between pictures of equal resolution and pictures of different resolution, based on motion vectors at a half-sample resolution and on motion vectors at a different resolution using interpolation filters to obtain sub-sample values within a reference sample array. The interpolation filter is selected from two interpolation filter versions different in a higher edge preserving property, and the selection is depending on whether a current picture is equal in picture resolution to the reference sample array in horizontal and/or vertical dimension, and/or a constraint information in the data stream.
US11991353B2 Adaptive loop filter
A method of controlling an Adaptive Loop Filter comprises obtaining for a slice containing one or more coding tree blocks, data indicating a number of available alternative chroma filters, obtaining for a coding tree block in the slice, an alternative filter index identifying one of the available alternative chroma filters, and selecting the alternative chroma filter identified by the index to filter chroma image data in the coding tree block.
US11991352B2 Subpicture information signaling in video bitstreams
Methods, apparatus, systems for video processing, including video encoding or video decoding are described. One example method includes performing a conversion between a video including a video picture that includes one or more subpictures and a bitstream of the video. The bitstream conforms to a format rule specifying that a first syntax element indicating whether an operation is performed across a boundary of a subpicture in the coded layer video sequence is selectively included responsive to a number of subpictures in the video picture.
US11991347B2 Image processing device
Provided is an image processing device configured to compress first image data. The image processing device includes an encoding circuit configured to compress the first image data into second image data including prediction data and residual data, compress the second image data into third image data by performing entropy encoding on the second image data, generate a header representing a compression ratio of the third image data, and store the third image data along with the header in a memory device as compressed first image data.
US11991346B2 Video streaming anomaly detection
Monitoring of a vehicle is provided. A plurality of video feeds captured from cameras of the vehicle are received, over a network from a vehicle, each of the plurality of video feeds including a plurality frames, each of the frames of each of the video feeds being assigned a sequence number that increases for each successive frame. The sequence numbers are analyzed to identify missing frames, delayed frames, or stale frames. The plurality of video feeds is displayed, to one or more monitors, the sequence numbers corresponding to the displayed frames, and for each of the plurality of video feeds, indications of whether any missed frames, delayed frames, or stale frames were identified.
US11991345B2 Virtual image display device and head mounted display using same
A virtual image display device has a function of projecting a prescribed virtual image video within a visual field of a user and detects an actual visual recognition distance from the user to an object relating to a visually recognized object at which the user is gazing. A virtual image light generating unit has a function of generating a plurality of virtual image lights independent of each other and a virtual-image-light transmitting and projecting unit that has a function of transmitting and projecting the virtual image light to left and right eyes of the user through substantially the same optical path to allow a prescribed virtual image video to be visually recognized at a prescribed position within the visual field of the user. Additionally, a virtual-image visual recognition distance control unit that has a function of performing variable control of a visual recognition distance of a virtual image.
US11991343B2 Optical method and system for light field displays based on distributed apertures
Systems and methods are described for providing a 3D display, such as a light-field display. In some embodiments, a display device includes a light-emitting layer comprising an addressable array of light-emitting elements. An optical layer overlays the light-emitting layer. The optical layer includes a plurality of distributed lenses. In some embodiments, the distributed lenses include non-contiguous lens regions. In some embodiments, distributed lens regions with different optical centers are interlaced with one another. A spatial light modulator is operative to provide control over which lens regions transmit light from the light-emitting layer outside the display device. In some embodiments, the use of interlaced and/or non-contiguous distributed lenses provides improved display resolution with a reduction in diffraction effects.
US11991342B2 Self-supervised training of a depth estimation system
A method for training a depth estimation model and methods for use thereof are described. Images are acquired and input into a depth model to extract a depth map for each of the plurality of images based on parameters of the depth model. The method includes inputting the images into a pose decoder to extract a pose for each image. The method includes generating a plurality of synthetic frames based on the depth map and the pose for each image. The method includes calculating a loss value with an input scale occlusion and motion aware loss function based on a comparison of the synthetic frames and the images. The method includes adjusting the plurality of parameters of the depth model based on the loss value. The trained model can receive an image of a scene and generate a depth map of the scene according to the image.
US11991337B2 Image pixel color cast correction
An image processing method, an image forming apparatus, and a storage medium are provided in embodiments of the present disclosure. The image processing method includes acquiring a first color component value and a second color component value of each pixel of a to-be-processed image in a preset color space; determining a color cast pixel according to the first color component value and the second color component value of each pixel; and performing pixel correction on each color cast pixel to obtain a corrected to-be-processed image. In the technical solutions of various embodiment of the present application, the color cast pixel in the to-be-processed image is determined by the first color component value and the second color component value of the pixel, and the pixel correction is performed on the color cast pixel, which removes colored noise in the printed image and improves image printing quality.
US11991334B2 Image forming apparatus, control method, and storage medium
An image forming apparatus that cooperates with a management service and a blockchain service generates, in printing a document stored in the management service, one or more embedded images based on existence proof information and tampering detection information, registers the existence proof information and the tampering detection information with the blockchain service, performs printing of the document with the one or more embedded images embedded therein, and, when verifying a printed product obtained by the printing, performs two verifications indicating that information about the printed product exists in the blockchain service and that there is no tampering in the printed product, by decoding the one or more embedded images included in the printed product to acquire the existence proof information and the tampering detection information and making an inquiry about the existence proof information and the tampering detection information registered in blocks of the blockchain service.
US11991331B2 Server, method of controlling the server, and storage medium
A server presents a first setting screen for entering settings relating to target image data for transmission, transmits the target image data to a cloud service in accordance with the settings, stores the settings associated with a type of the target image data and information of a user, and presents a second setting screen for selecting whether or not to use settings identical to any stored settings for new target image data. When presenting the first setting screen, the server presents it in a state in which, from the stored settings which the user selected to use settings identical to, a type of image data is omitted and settings required for transmission have been reflected. The server stores a type of the new target image data added to and associated with the selected stored settings.
US11991329B2 Image reading apparatus that switches reading mode depending on whether document may be discharged to discharge tray, and image forming apparatus
An image reading apparatus includes a common transport route, a first and a second transport route, a first and a second image sensor, a first and a second discharge tray, and a controller. The controller executes a first reading mode including guiding the document from the common transport route to the first transport route, reading the image on the first face of the document with the first image sensor, and discharging the document to the first discharge tray, or a second reading mode including reading the image on the second face of the document with the second image sensor, guiding the document from the common transport route to the second transport route, and discharging the document to the second discharge tray, inhibits the first reading mode, upon deciding that the first discharge tray is full, and inhibits the second reading mode, upon deciding that the second discharge tray is full.
US11991328B2 Reading apparatus
A reading apparatus, having a document placement table, a cover, a reader, and a controller, is provided. The cover has, on a facing surface thereof that faces the reader, a reference section having a first edge extending in a sub-scanning direction and a second edge extending in a main scanning direction, and a colored part on peripheries of the reference section. The colored part is colored along the first edge and along the second edge. The controller is configured to operate the reader to read the colored part and the peripheries of the colored part, detect a first position being a position of the first edge in the main scanning direction and a second position being a position of the second edge in the sub-scanning direction in an outcome of reading, and determine a reading range based on the first position and the second position.
US11991325B2 Image processing apparatus, control method, and storage medium to detect a sheet edge based on marks printed on an adjustment chart and acquired regions of interest images
An image processing apparatus having a reading device to read an image from a sheet includes one or more controllers to perform operations. One image is read from one sheet by using the reading device. Edge detection processing is executed on the one image. At least one pair of edges is determined from among a plurality of edges based on information of the plurality of edges detected in the edge detection processing and size information of the one sheet.
US11991324B2 Document reading apparatus and image forming apparatus for executing in using modes of multiple documents having different sizes
A document reading apparatus includes a stacking portion on which a plurality of documents are stacked, a feeding unit configured to feed the plurality of documents in a feeding direction, a reading unit configured to read the documents, a drive source configured to drive the feeding unit, and a control unit configured to execute a mode in which the plurality of documents having different sizes are fed by the feeding unit and read by the reading unit. The control unit is configured to control the drive source in the mode such that the feeding unit feeds a first document at a first feeding speed, and the feeding unit feeds a second document following the first document at a second feeding speed higher than the first feeding speed in a case where the width of the first document is larger than a predetermined width.
US11991323B2 Image forming apparatus and control method with power saving modes
According to at least one embodiment, an image forming apparatus includes a first sensor, a second sensor, and a controller. The first sensor is configured to detect a user. The second sensor is configured to detect a sheet in a sheet holder. The controller is configured to change a transition mode of an operation mode based on a first detection result of the sheet in the sheet holder by the second sensor in response to the detection of the user by the first sensor when the operation mode of the image forming apparatus is a second power-saving mode, which consumes less power than a first power-saving mode.
US11991317B2 Extension mobility for analog telephones
According to some embodiments, a method performed by a software defined wide area network (SD-WAN) controller communicably coupled to a voice gateway comprises determining a user profile from one or more stored user profiles is to be associated with an analog telephone and transmitting the user profile to the voice gateway. In particular embodiments, the SD-WAN controller may receive a request to associate the analog telephone with a user from the voice gateway.
US11991316B2 Call routing in a communications network
There is provided a mechanism that allows automated calls made from a set of one or more numbers to be detected and routed in an appropriate manner. The calls are classified based, at least in part, on one or more features of a call frequency time series that is generated from data representing a plurality of calls previously made from a set of one or more numbers by determining a respective number of calls made by the set of numbers during each of a plurality of time intervals. The classification indicates whether the calls include automated calls. Further calls from the set of numbers are routed in accordance with the classification.
US11991315B2 Audio conferencing using a distributed array of smartphones
Described is a method of hosting a teleconference among a plurality of client devices arranged in two or more acoustic spaces, each client device having an audio capturing capability and/or an audio rendering capability, the method comprising: grouping the plurality of client devices into two or more groups based on their belonging to respective acoustic spaces, receiving first audio streams from the plurality of client devices, generating second audio streams from the first audio streams for rendering by respective client devices among the plurality of client devices, based on the grouping of the plurality of client devices into the two or more groups, and outputting the generated second audio streams to respective client devices. Further described are corresponding computation devise, computer programs, and computer-readable storage media.
US11991306B2 Premises system automation
Systems and methods for management of a premises are disclosed. One or more premises devices may be located at a premises. A computing device located at the premises may be in communication with the one or more premises devices. The computing device may also be in communication with an external network. The computing device may process data associated with the one or more premises devices using one or more automation rules.
US11991304B2 Method for controlling external electronic apparatus of electronic apparatus, electronic apparatus, and recording medium
Disclosed is an electronic apparatus configured to receive, through a communication circuit, image data obtained using a camera of an external electronic device, and based on data related to a movement of the electronic device and obtained through the one or more sensors, perform control such that an image corresponding to the received image data is displayed on a touchscreen display while the image is maintained in a designated reference direction.
US11991303B1 Voice controlled and self integrated driving headset
This patent outlines an advanced communication device designed to combat the rising issue of distracted driving and walking. The invention leverages voice control technologies and smart communication management to minimize driver distractions from mobile device use. Key features include the ability to access cellular networks without relying on a traditional mobile phone and an integrated voice control interface for manual-free operation. The device is adept at intelligently managing communications based on the driver's motion status and can automatically alter operational modes to prioritize emergency functions during travel. Additionally, it incorporates: an emergency communication system for manual-free call activation; advanced multimedia functionalities, allowing for the hands-free capture and transmission of photos and videos; and the capability to audibly read digital content. Enhanced by modular design elements and remote charging capabilities, the invention represents a significant advancement in driver and walking safety technology.
US11991301B2 Hinge of mobile terminal having flexible outer screen and mobile terminal having flexible outer screen
A hinge for a mobile terminal having a flexible outer screen. The mobile terminal has the flexible outer screen, including neutral layer and bottom idle skeleton structures that may be bent and unfolded. The middle part of the neutral layer structure is fixedly connected to the middle part of the middle skeleton structure. Left and right sides of the neutral layer structure are movably connected to the left and right sides of the middle skeleton structure respectively. Flexible components are respectively provided between the left side of the neutral layer structure and the left side of the middle skeleton structure and between the right side of the neutral layer structure and the right side of the middle skeleton structure. The mobile terminal having the flexible screen moves smoothly during screen-flattening and folding operations, supports flattening, and may realize a narrow frame design and longer service life.
US11991300B2 Photographing method and apparatus, terminal, and storage medium
A photographing method and apparatus, a terminal, and a storage medium are provided. The method is applied to a terminal including a camera and a display screen, and the camera is disposed under the display screen, and the method includes: determining a first optical signal value acquired by the camera at the time of photographing; determining a screen influence value of the display screen based on at least a second optical signal value acquired by a light sensor; and generating an image based on the first optical signal value and the screen influence value.
US11991299B1 Systems and methods for facilitating use of artificial intelligence platforms trained on blockchain action lineages to conduct blockchain actions
Systems and methods are described herein for facilitating use of artificial intelligence platforms to generate network mappings for conducting blockchain actions. The system may access an internal index for an artificial intelligence platform, wherein the internal index comprises on-chain self-executing program characteristics and off-chain self-executing program characteristics and wherein the on-chain self-executing program characteristics and off-chain self-executing program characteristics are archived in the internal index based on respective temporal identifiers.
US11991297B2 Secure cryptoprocessor
According to an example aspect of the present invention, there is provided a cryptoprocessor comprising physical unclonable function circuitry comprising at least one physical unclonable function, and at least one processing core configured to process a challenge received from outside the cryptoprocessor by at least deriving a response to the challenge by providing the challenge as input to the physical unclonable function circuitry, using the response as an encryption key to encrypt a second encryption key, and by causing the encrypted second encryption key to be provided to a party which issued the challenge.
US11991295B2 Method, apparatus, and computer program product for identifying an object of interest within an image from a digital signature generated by a signature encoding module including a hypernetwork
A method, apparatus and computer program product generate and utilize a digital signature to identify an object of interest. The method includes providing a reference image depicting the object to a signature encoding module having a hypernetwork. An indication of the object within the reference image is also provided. The method includes generating, with the signature encoding module, the digital signature representing the object. The digital signature includes parameter(s) configured to define processing to be performed by another neural network. The method includes providing the digital signature and at least one query image to a query processing module having a neural network. The method includes identifying, by the query processing module, the object within the at least one query image based upon the digital signature by processing the at least one query image with the neural network of the query processing module in a manner defined by the parameter(s).
US11991292B2 Systems and methods for use in appending log entries to data structures
Systems and methods are provided for use in appending log entries to a data structure. One exemplary method includes receiving, at a communication device, a log entry from a terminal and signing the log entry with a private key of a key pair specific to the communication device. The method also includes transmitting the signed log entry to an identity provider (IDP) and receiving, by the communication device, from the IDP, a signed, encrypted log entry. The method further includes verifying, by the communication device, a signature of the signed, encrypted log entry based on a public key associated with a key pair specific to the IDP and then appending the encrypted log entry to a digital identity included in the communication device.
US11991288B2 System and method for authorizing credentials via a voice enabled device
A method and a system are provided for secure authorization of credentials using a voice enabled device. The user device encodes encrypted authorization credentials into an inaudible soundwave and emits the soundwave via a speaker to the voice enabled device. The voice enabled device, while in a listening state, detects the inaudible soundwave via a microphone. The voice enabled device decodes the inaudible soundwave and transmits the cryptographically secured authorization information by the payment card system.
US11991279B2 Resilient secret sharing cloud based architecture for data vault
A method of securely storing data including providing, within a secure data storage system, a plurality of secret sharing methods for selection and identifying a striping policy for storage of the data, in accordance with input preferences. The data can be split into N secret shares according to a secret sharing method, the selection being determined by the striping policy, wherein a threshold number, T, of such shares is sufficient to recover the data, where T is less than N, generating metadata associated with the data, the metadata identifying the selected secret sharing method and storing the metadata within the secure data storage system and writing the secret shares to storage that includes storage outside the secure data storage system, such that, when at least T shares are retrieved, the metadata can be recalled to identify the selected secret sharing method for recovery of the data.
US11991271B2 System and method for quantum resistant public key encryption
A system, method, computer program product, and service for encrypting a message. A plaintext message to be encrypted is received as input data into a computer. A processor on the computer encrypts the plaintext message, using a public key having two components, each component having degree 4. The encrypted version of the input plaintext message is output as a ciphertext having two components, each component having degree 4.
US11991260B2 Dynamic service discovery and offloading framework for edge computing based cellular network systems
A user equipment (UE) or other device performs service discovery of edge computing resources in a cellular network system and dynamic offloading of UE application tasks to discovered edge computing resources. As part of the discovery process, the device (e.g., the UE) may request edge server site capability information. When performing dynamic offloading, the UE may obtain (collect and/or receive) information regarding channel conditions, cellular network parameters or application requirements and dynamically determine whether a task of the application executing on the UE should be offloaded to an edge server or executed locally on the UE. In making decisions between offloaded or local execution, the UE may use a utility function that takes into account factors such as relative differences in application latency, energy consumption and offloading cost.
US11991255B2 Interworking service for the restful internet of things
An interworking service entity receives server registration requests including indications of service layer protocols used by each server, maintains a repository of server information, and uses the repository for interworking requests of devices to servers of different protocols based on a server type provided in discovery requests. Other matching information may include, for example, server security protocol, supported services, service territory, availability, capacity, or loading, as device information or preferences, such a supported service, supported interface type, or a supported device type.
US11991252B2 Methods, devices, systems, and non-transitory machine-readable storage mediums for configuring parameter sampling of devices
The present disclosure relates to a method, device, and system for configuring parameters, a computer device, a medium, and a product. A configuration device for configuring parameter sampling with respect to an edge device includes: one information acquiring unit, configured to acquire information related to the purpose and use environment of the edge device; one transmitting unit, configured to transmit the information to a cloud platform; and one configuration information determining unit, configured to receive configuration information for parameter sampling with respect to the edge device from the cloud platform, where the configuration information is configuration information determined as matching the information by the cloud platform utilizing a configuration model stored thereby.
US11991243B2 Media transfer for remote device infrastructure
A software development infrastructure can enable user developers to select remote hardware devices to develop and test their software programs. For some tests and development activity, the user may wish to test media playback on the remote device. The default configuration of network media transmission objects can be modified to use operating system media capture APIs to provide the user developer a media playback from a far-away remote device.
US11991240B2 System and method for reduction of data transmission by inference model optimization
Methods and systems for managing distribution of inference models throughout a distributed system are disclosed. To manage distribution of inference models, a system may include a data aggregator and one or more data collectors. The data aggregator may obtain a threshold, the threshold indicating an acceptable inference error rate for an inference model. The data aggregator may obtain an inference model based on the threshold by training an inference model, performing a lookup in an inference model lookup table, or via other methods. The data aggregator may optimize the inference model to determine the minimum quantity of computing resources consumed by an inference model in order to generate inferences accurate within the threshold. In order to do so, the data aggregator may simulate the operation of more computationally-costly inference models and less computationally-costly inference models.
US11991238B2 Sharing network addresses
A network address assigned a shared designation by a first client computer is received, in a first data format, automatically, at a host computer from the first client computer. The network address is categorized and published. Publishing the network address includes converting the network address into a second data format, receiving, at the host computer, a subscription request from a second client computer, and sending the network address to the second client computer in response to receiving the subscription request.
US11991235B2 Adaptive energy system utilizing quality of service and quality of experience metrics
Systems and methods are disclosed for optimizing resources while maintaining user experiences. Disclosed examples include an adaptive energy system whereby resource use can be optimized by influencing a communication path to utilize a subset of available resources in an efficient manner. Quality metrics are monitored such that optimization measures are implemented only if they do not negatively impact user experiences beyond a threshold.
US11991233B2 QoE metrics reporting for RTP-based 360-degree video delivery
An apparatus and system to provide QoE metrics reporting mechanisms for RTP-based 360-degree video delivery in live immersive streaming and real-time immersive conversational service applications are described for both in-camera and network-based stitching. Initial and desired parameters for viewports used in a teleconference are exchanged, and the teleconference established using 360° media. RTP FoV reports sent during the teleconference each contain viewport orientation information, as well as information for the QoE metrics.
US11991232B2 Command buffering
A method of processing playback content control commands generated at a client device and communicated by a backend server to the client device and a controlled device to control media content playback at the controlled device is provided. The method includes the following steps: sending, by the client device, a playback content control command to the backend server, wherein the backend server is configured to communicated the playback content control command to the client device and to the controlled device; initiating a buffer time period; and refraining from processing, at the client device, one or more subsequent playback content control commands from the backend server during the buffer time period.
US11991230B1 Network segmentation for multi-dwelling unit (MDU)
Methods and systems for provisioning content streaming service are provided. In one example, a method includes: receiving a user request for streaming a content item from a user equipment (UE) connected to a first network segment corresponding to a first zone of a multi-dwelling unit (MDU), the user request including a first network identifier assigned to the first network segment and a user identity associated with the user, identifying the first network segment based on the first network identifier assigned to the first network segment, determining accessibility of the content item to the user, based on a pre-established network policy, performing an authentication process to authenticate the user based on the user identity associated with the user, and transmitting the requested content item to the UE via a routed network traffic over the first network segment to allow the UE to stream the requested content.
US11991229B2 Onboard multimedia distribution network for an aircraft and method for distributing multimedia content on board of an aircraft
A multimedia distribution network, useful on board a passenger aircraft, includes a first network node configured as a head controller, a plurality of second network nodes configured as intermediate controllers connected to the first network node, and a plurality of third network nodes configured as end device controllers, each connected to one of the second network nodes. The head controller is configured to transmit a multicast stream of multimedia control signal packets to control the end device controllers to the intermediate controllers. The intermediate controllers are configured to periodically transmit unicast delay queries to the head controller, to process the received multimedia control signal packets to the end device controllers and to distribute processed multimedia control signal packets with a controllable delay based on the content of unicast delay indicator signals sent by the head controller to the intermediate controllers in response to the unicast delay queries.
US11991226B2 System and method of data routing for videotelephonic shopping
A system for data and signal routing for videotelephonic conferencing is provided. The system has a video recognition module in communication with a merchandise database, wherein the video recognition module is configured to recognize an article in-video during the telephonic conference and match it to an item in a merchandise database, a gesture module configured to recognize a user gesture and further configured to communicate the gesture to the video recognition module, a persisted cart module in communication with the gesture module and the video recognition module, wherein the persisted cart module is, in response to an input from the gesture module, configured to automatically populate both a customer interface associated with the customer and a merchant user interface associated with a merchant with a graphical cart that appears in-video on both user interface, and a display configuration module in communication with the persisted cart, wherein the display configuration module is configured to transform the article in-video to a digital graphical representation of the article in video and store it in the cart on both user interfaces.
US11991225B2 Enabling breakout rooms in webinars
One example method includes transmitting a message to a first client device indicating a transition to a first sub-meeting of a webinar, the first client device connected to a main meeting of the webinar and associated with a first participant, receiving, from the first client device, a request for access information to join the first sub-meeting; transmitting the access information for the first sub-meeting to the first client device, receiving, from the first client device, a request to join the first sub-meeting, the request based on the access information for the first sub-meeting, and joining the first client device to the first sub-meeting.
US11991224B2 Avatar virtual arm movement
A method for avatar virtual arm movement, the method may include (i) capturing, by a camera of a participant of a video conference, a hand gesture made by the participant without capturing an arm movement of the participant, the arm movement is associated with the hand gesture; (ii) determining the arm movement of the participant, based on the hand gesture; (iii) determining a virtual movement of an arm of an avatar of the participant within a virtual video conference environment, the virtual movement of the arm of the avatar of the participant mimics the arm movement of the participant; and (iv) assisting to perform the virtual arm movement of the avatar within the virtual video conference environment.
US11991221B1 Reverse discovery and pairing of client devices to a media device
A registration request is transmitted to register a media device with a server, the registration request comprising a device identifier associated with the media device. A discovery request is caused to be issued to allow client devices previously registered with the server and connected to the first network to discover the media device, wherein the discovery request is to cause at least a subset of the client devices previously registered with the server and connected to the first network to initiate discovery of the media device without requesting permission from a user of a respective client device to initiate the discovery of the media device, wherein the at least the subset of the client devices includes two or more client devices each associated with an auto-connect status. An identifier of each of the one or more client devices that are previously registered with the server and connected to a first network and an indication of whether each of the one or more client devices has discovered the media device are received, wherein each of the plurality of client devices is associated with a registration identifier pertaining to the first network.
US11991219B2 Systems and methods to establish service request interactions
Systems and methods of establishing service requests via a smart TV device are provided. A smart TV device can receive fault condition information. The smart TV device can establish a first communication session between the smart TV device and a server and can transmit a service request interaction, including the received fault condition information, to the server. The server can transmit the first service request interaction to a computing device in a contact center environment. The computing device can generate diagnostic information and can transmit the diagnostic information to the server, which can forward the diagnostic information to the smart TV device. The smart TV device can display a prompt to deflect the first service request interaction from the smart TV device to a mobile device of the user. The mobile device can establish a second communication session between the mobile device and the computing device in the contact center environment to complete the first service request interaction.
US11991216B1 Policy-based cloud asset and security management system
A method and system for implementing and managing security policies in a cloud environment of enterprises are disclosed. In some embodiments, the method includes creating cloud-independent policies associated with enterprise assets in the cloud environment and sharing the cloud-independent policies across one or more distributed enterprises in the cloud environment. The method also includes translating and enforcing the policies in run-time across the distributed enterprises. The method further includes applying the policies collaboratively in the distributed enterprises based on distributing policy enforcement in the distributed enterprises while centralizing policy operations, where applying the policies includes discovering cloud-based assets of the enterprises and enterprise asset data related to the cloud-based assets and creating, based on the enterprise asset data, at least one graph (organization, user, resource) representing the relationships among the assets. The enterprise asset data includes information used to detect, protect, and investigate potential problems of the assets.
US11991209B2 System and method for security health monitoring and attestation of virtual machines in cloud computing systems
A system for security health monitoring and attestation of virtual machines in cloud computing systems is provided. The system includes a cloud server having a virtual machine and a hypervisor. The cloud server collects security measurement information and signs and hashes the security measurement information using a cryptography engine. The system also includes an attestation server for receiving the hashed security measurement information from the cloud server. The attestation server also verifies the signature and hash values, and interprets the security measurement information. The attestation server generates an attestation report based on the verification and interpretation of the security measurement information.
US11991208B2 Secure fibre channel/NVMe fabric communication system
A secure FC NVMe fabric communications system includes a host device having host WWPNs associated with each of its host NQNs, an NVMe target device having a target WWPNs associated with each of its target NQNs, and FC networking device(s) that couple the host device to the NVMe target device. The FC networking device(s) perform, for each host WWPN associated with the host NQNs, host login operations that register the host NQN for that host WWPN as an NVMe host, and perform, for each target WWPN associated with the target NQNs, target login operations that register the target NQN associated with that target WWPN as an NVMe target. The FC networking device(s) then provide, to the host for each host NQN, target NQN details for target NQN(s) zoned for communication with that host NQN to allow respective communication session(s) to be established between the host NQN and those target NQN(s).
US11991207B2 Anti-phish, personalized, security token for use with electronic communications
Methods for securing an electronic communication is provided. Methods may include, in a registration process, creating and/or selecting an anti-phish, personalized, security token for a predetermined account. Methods may include, in the registration process, storing the token in a database. Methods may include, in an in-use process, generating an electronic communication at a channel. The database may be interposed along the channel. Methods may include, in the in-use process, forwarding the communication to a recipient. The recipient may be associated with the account. Methods may include, in the in-use process, intercepting the communication at the database. Methods may include, in the in-use process, selecting, from the database, the anti-phish, personalized, security token that is associated with the account. Methods may include, in the in-use process, injecting the selected token into the communication. Methods may include, in the in-use process, transmitting the communication with the token to the recipient.
US11991198B1 User-specific data-driven network security
Detecting anomalous behavior of a device, including: generating, using information describing historical activity associated with a user device, a trained model for detecting normal activity for the user device; gathering information describing current activity associated with the user device; and determining, by using the information describing current activity associated with the user device as input to the trained model, whether the user device has deviated from normal activity.
US11991197B2 Deep learning using activity graph to detect abusive user activity in online networks
In an example embodiment, a deep learning algorithm is introduced that operates on a transition matrix formed from user activities in an online network. The transition matrix records the frequencies that particular transitions between paths of user activity have occurred (e.g., the user performed a login activity, which has one path in the network, and then performed a profile view action, which has another path in the network). Each transition matrix corresponds to a different user's activities.
US11991192B2 Intruder detection for a network
A technique for intruder detection is described. Communications for a data source in an organization are intercepted and analyzed to identify an intruder detection signature. An intrusion is determined based on the intruder detection signature and an alarm generated based on the intrusion.
US11991189B2 Intrusion detection for computer systems
The disclosure relates to an analysis device configured to communicate with at least one node of an infrastructure of a distributed database via the communication interface in order to obtain authorization to detect intrusion of a computer system. The analysis device is also configured to detect, depending on whether the authorization is obtained, intrusion of the computer system based on an analysis of log messages of the computer system.
US11991186B2 Attack source tracing in SFC overlay network
Embodiments of the present disclosure relate to methods, devices and computer readable storage medium for tracing an attack source in a service function chain overlay network. In example embodiments, a request for tracing an attack source of an attacking data is sent at the attack tracer to a first service function chain domain of a plurality of service function chain domains through which the attacking data flow passes subsequently. The request includes flow characteristics of the attacking data flow. Then, the attack tracer receives a first set of results of flow matching based on the flow characteristics from the first service function chain domain. The attack tracer identifies the attack source in the plurality of service function chain domains at least in part based on the first set of results. In this way, the attack source may be traced efficiently in the service function chain overlay network.
US11991181B2 Multi factor authentication
A method of multi-factor authentication, the method comprising computer executed steps, the steps comprising: from a computer of a cloud service, receiving data identifying a user logged-in to the cloud service after being successfully authenticated using a first authentication factor, communicating with a client device of the logged-in user, for receiving a second authentication factor from the logged-in user, determining whether the second authentication factor received from the logged-in user is valid, based on a result of the determining, determining a first user-permission policy for the logged-in user, and communicating the determined first user-permission policy to the computer of the cloud service, for the cloud service to base a restriction of usage of the cloud service by the logged-in user on.
US11991178B2 Secret computation system, secret computation server, auxiliary server, secret computation method, and program
In a secret computation system, each of the three or more secret computation servers is configured to transmit, to the auxiliary server, carry computation information for computing a carry indicating whether or not digit carry occurs when a share of arithmetic operation is added as a binary number. The auxiliary server is configured to compute the carry based on the carry computation information received and compute an adjustment value used for computing the share of the arithmetic operation from a share of logical operation by using the computed carry. The auxiliary server distributes the computed adjustment value to the three or more secret computation servers. Each of the three or more secret computation servers is configured to convert the share of the logical operation to the share of the arithmetic operation by using a distributed value of the adjustment value.
US11991170B2 User authentication through registered device communications
Disclosed are various embodiments providing user authentication through registered device communications. An authentication request is received from a client device. A user is authenticated for access to a user account based at least in part on the client device providing the authentication token. The authentication token is generated by the client device or by one or more other computing devices and sent to the client device. The client device encrypts the authentication token based at least in part on a user authenticating factor and stores the encrypted authentication token on the client device.
US11991169B2 One-shot behavioral biometrics for login authentication using machine learning model
In one approach, a method includes: receiving a reference login event input from a user, the reference login event input being associated with a first session of the user logging into an account; receiving a new login event input from the user, the new login event input being associated with a second session of the user logging into the account; accessing a machine learning model, wherein the machine learning model is trained using data selected based on a similarity of behavior between different users; and authenticating, with the machine learning model, the user for the account, based at least in part on the reference login event input and the new login event input. In examples, the reference and new login event inputs comprise one or more items of biometric data generated by interaction of the user in a web environment and/or a mobile environment for logging into the account.
US11991166B2 Method and apparatus for an identity assurance score with ties to an ID-less and password-less authentication system
A technique is provided by which a user goes to a site and instead of the authentication system of the site going to their own databases to match an ID and password given by the user, because doing so is not secure, the site companies makes a call to an identity assurance score server (with ties to the ID-less and password-less system) and send a parameter such as a number. Then, based on that parameter (e.g., number or score), the identity assurance score server (with ties to the ID-less and password-less system, such as described hereinabove) sends a corresponding login protocol or factors to be satisfied to authenticate the user.
US11991165B2 Authentication method for next generation systems
The present disclosure relates to authentication methods supported by the User Equipment (UE) to the core network and authentication method (selected by the core network) to the UE. These can be used for negotiating any primary or secondary (or any) authentication method and are applicable when multiple authentication methods are supported at the UE and the network (authentication server). Further, the present disclosure also offers security solution to prevent modification or tampering of the parameters in the mechanisms in order to prevent attacks such as bidding-down, Denial of Service (DoS) and Man-In-The-Middle (MITM).
US11991162B2 Secure application access system
A proxy server receives a synchronization request from an application program resident on a user device. The proxy server determines that the user device requires removal of application program data and synchronizes the application program resident on the user device with a null account that is associated with application program.
US11991154B2 System and method for fingerprint-based network mapping of cyber-physical assets
A system and method for fingerprint-based network mapping of cyber-physical assets, including a distributed operating system, parameter evaluation engine, at least one cyber-physical asset, at least one crypt-ledger, a network, and a scanner that retrieves stored fingerprint records and performs scans of cyber-physical assets to compare against corresponding fingerprints and update a cyber-physical graph based on the success or failure of fingerprint matching.
US11991153B2 Systems and methods for providing communications between on-premises servers and remote devices
A system having an off-premises proxy server residing in a cloud computing environment and backend servers residing in an enterprise computing environment are provided. Requests received by the off-premises proxy server for access to a first, non-publicly accessible backend server are routed to a tunnel server which stores the request and waits to be polled by a tunnel agent connected to the first backend server. When the tunnel server is polled, the request is forwarded through an HTTP tunnel to the tunnel agent, which forwards it to the backend server for processing. Responsive information is returned to the tunnel agent, which forwards it through the HTTP tunnel to the tunnel server and returned through the off-premises proxy server to the remote application. Requests for access to a first, publicly accessible backend server are routed by the off-premises proxy server directly to the backend server for processing and return of responsive information.
US11991149B2 System and method for analytics based WAF service configuration
A system and method for configuring a web application firewall (WAF) is provided. The method includes continuously receiving requests related to a first WAF, each request indicative of network traffic directed to a web application protected by the WAF; enriching each received request by associating each event with information from an enrichment source; periodically analyzing the enriched requests; generating at least one network traffic rule based on periodically generated analysis; and configuring at least a second WAF to perform the network traffic rule.
US11991148B2 Automated creation of trusted network perimeter
A system generates network perimeter for an organization based on the connection data. The system builds a model, for example, a machine learning based model configured to receive a network zone as input and output a score indicating security of the network zone. The system receives information describing connection requests received from client devices associated with the organization. The system adjusts parameters of the machine learning based model based on information describing the connection requests. The adjusting of the machine learning based model improves the accuracy of prediction based on the information describing the connection requests. The system determines a network perimeter for the organization using the machine learning based model. The network perimeter may be used for implementing a network policy for the organization based on the determined network perimeter.
US11991147B2 Method and system for securely controlling a remote measurement device
A method and a system for securely controlling a remote measurement device. A connection between at least one remote measurement device and a server, such as a server computer, connected to the Internet is established. By a firewall, the at least one remote measurement device is protected from unauthorized access via the Internet. In case of an event of the at least one remote measurement device, an event notification is sent from the at least one remote measurement device to the server via the firewall. A temporary access token is generated by the server in response to the event notification received from the remote measurement device. Access is temporarily granted to the at least one remote measurement device based on the temporary access token.
US11991142B1 Providing cloud-aware security for an application level network device
A virtual network device may identify a cloud provider associated with the virtual network device, and may provide a request for public network addresses and private network addresses associated with the cloud provider. The virtual network device may receive the public network addresses and the private network addresses from the cloud provider based on the request, and may generate a translation table that maps the public network addresses and the private network addresses. The virtual network device may utilize the translation table to establish a secure communication between an endpoint device and a server device, where the secure communication is associated with at least one packet that requires an inner payload network address change.
US11991141B2 System and method of generating automated communications
The invention disclosed generates, transmits, and updates communications with end user systems. Embodiments comprise an automation platform comprising a processor and memory. Embodiments generate a communication based, at least in part, on input from a rules engine and one or more communication templates. Embodiments modify the content of the generated communication, and transmit, using one or more communication channels, the modified communication to one or more end user systems. Embodiments monitor the one or more end user systems for a response communication to the transmitted communication. In response to the one or more end user systems transmitting one or more response communications using at least one of the one or more communication channels, embodiments generate and transmit an updated communication to the one or more end user systems.
US11991139B2 Automated email protocol analyzer in a privacy-safe environment
A computing server may receive an authorization from a domain owner to gain access to email data of the domain owner. The email data may be hosted by a mailbox service provider on behalf of the domain owner. The computing server may determine email protocol check results of the email data retrieved from the mailbox service provider. The computing server may determine that a sender has a number of failed emails in the email data that fail the email protocol check. The computing server may identify, from the email data, one or more recipients of the domain owner to whom the failed emails intend to be sent. The computing server may notify the domain owner regarding information about the one or more recipients.
US11991136B1 Final message composition for sidebar communication threads
Disclosed in some examples are methods, systems, devices, and machine-readable mediums which provide for sidebar communication threads forked from, or related to, a principal thread. Messages in the sidebar communication thread may include a history of the principal thread, including one or more messages from the principal thread, and may include a proposed principal thread message that is the subject of the sidebar thread discussion. The sidebar thread may also include sidebar thread messages that carries the conversation of the sidebar thread participants. Once a termination condition is reached for the sidebar thread, the sidebar thread terminates and either the proposed principal thread message (as potentially modified by participants of the sidebar thread) becomes an accepted principal thread message and it is posted to the principal thread as if it was sent by the sidebar initiator or no message is posted (e.g., the proposed principal thread message is rejected). The message that is posted may not include any sidebar thread content.
US11991134B2 Social contract based messaging platform
Disclosed herein are systems and methods for transmitting a message reaction captured in a recording. A method includes determining that a message has been sent to a first computing device of a first user from a second computing device; in response to determining that the first user provided consent for a recording of the first user during output of the message on the first computing device, retrieving the recording of the first user, wherein the recording is indicative of a reaction of the first user to the message, and wherein receiving the consent enables instructing of a camera on board the first computing device to capture the recording when the message is output on the first computing device and to stop capturing the recording immediately after the output of the message has ended; and transmitting the recording to the second computing device.
US11991133B2 Real-time message moderation
The present technology provides real-time message moderation that checks messages against a list of trigger checks and determines whether or not the message should be blocked before the message is sent to other members of the community. The real-time message moderation uses a rules system that enables administrators to generate a customized sets of rules, such as custom keyword filter that blocks a message if it contains a word that matches a keyword associated with the custom keyword filter rule, and wherein custom keywords may be added by a moderator of the server. Moderators can report issues with past blocked messages to train a machine-learning model about a bad flag.
US11991129B2 Content-item relationship messaging system
A message can be selectively provided to users of an online content management service based at least in part on a user relationship between the users and a shared content item. Users having the user relationship associated with the message can be shown the message, where users without the user relationship are not shown the message. For example, a message can be configured to be shown upon the first time a content item is opened by a user, but not on subsequent openings of the content item.
US11991127B2 User interfaces for messages
In some embodiments, an electronic device presents representations of messaging conversations. In some embodiments, an electronic device indicates which messages are replies to other messages in a messaging conversation. In some embodiments, an electronic device creates and presents links (e.g., rich links) to contacts in a messaging conversation (e.g., “mentions”). In some embodiments, an electronic device presents indications of messages that are replies to other messages. In some embodiments, an electronic device presents options to create a link (e.g., a rich link) to contacts in a messaging conversation (e.g., “mentions”) using a suggested entry user interface element.
US11991126B2 Systems and methods for aggregating user sessions for interactive transactions using virtual assistants
Methods, apparatuses, and computer program products are described for aggregating user sessions for conversational exchanges using a virtual assistant. A user device can receive conversational inputs, convert the conversational inputs into textual strings, associate, based upon semantic analysis of different portions of the textual strings, a first network and a second network, and initiate, respectively, a first and second user session with a first response module of the first network and a second response module of the second network. The portions of textual strings can be transmitted to the first and second response modules via, respectively, the first and second user sessions. Once response fragments are received from the first and second response modules, the response fragments can be combined in a semantically suitable order to form a generated response.
US11991124B2 Chat-enabled messaging
Email has become commonplace as a means to communicate among parties non-synchronously by exchanging email messages. Some communications, however, may be more effective in real-time or in near real-time. For instance, service providers may offer a chat feature to accommodate real-time or near real-time help or service communications with customers. However, in this case, the user is likely required to enter credentials and/or context information to transition into a different communication type with the service provider. The present systems and methods provide a continuous conversation experience for the user whereby a message recipient of one message type (e.g., email, text, etc.) may continue a conversation in a different message type (e.g., a chat session, instant message, etc.) without manually providing message context for communicating via the second message type.
US11991119B2 Communications device, infrastructure equipment and methods
A method for transmitting data by a communications device in a wireless communications network, the method comprising assigning one of a plurality of logical channel priorities to the data in accordance with a plurality of service types, the logical channel priorities providing at least an indication of high priority data and lower priority data, forming a transport block of the data for transmission at a medium access control protocol layer in accordance with the logical channel priorities, and passing the transport block from the medium access control protocol layer to a physical layer for transmission and providing an indication to the physical layer based on the logical channel priority of the data in the transport block.
US11991117B2 Block acknowledgment for multi-user transmissions in WLAN systems
A station includes one or more memories and processors, configured to cause the processors to generate a first frame that includes a plurality of data units, where each of the plurality of data units is associated with traffic information, transmit the first frame to a wireless device in the wireless network, and receive a second frame that includes one or more per-station information fields. Each of the per-station information fields includes a first subfield that is set to a first predetermined value and a second subfield. The first subfield indicates whether the plurality of data units were received successfully and the first predetermined value indicates successful reception of all of the plurality of data units carried in the first frame that has elicited the second frame. The second subfield indicates whether the plurality of data units were received successfully when they are associated with different types of traffic information.
US11991116B2 Method for operating relation server and system using the same
Disclosed herein are a method for operating a relation server and a system using the method. The method for operating the relation server for managing relations between machines includes generating, by the relation server, a capability set required to execute a command by analyzing the command, and grouping, by the relation server, machines that are to execute the command, among the machines, based on the generated capability set, and capability parameters and status parameters of respective machines that have been previously registered in the relation server or that are extractable by the relation server.
US11991111B2 Discovery reference signal design for quasi co-location and frame timing information in new radio user equipment
Disclosed herein are system, method, and computer program product embodiments for performing Synchronization Single Block (SSB) transmission using a number of SSB beams. An embodiment operates by determining a SSB index for a SSB based on a candidate position in a set of candidate positions and the number of SSB beams. The embodiment determines a shift value for the SSB index based on the candidate position and the number of SSB beams. The embodiment determines a frame timing for the SSB based the SSB index and the shift value for the SSB index. The embodiment then transmits, by radio front end circuitry, the SSB to a user equipment (UE) based on the frame timing for the SSB.
US11991090B2 Resource orchestration for multiple services
A method of orchestrating one or more radio resources among various services executing within a container. The method includes obtaining, by an orchestration engine executing on a network device, a request, from a first service of a plurality of services, for use of a physical/hardware resource that connects a container running on the network device to a network. The request from the first service has a particular priority. The plurality of services execute within the container. The method further includes determining whether to connect the first service to the network via the physical/hardware resource based on the priority and an availability status of the physical/hardware resource and establishing, at a kernel level, a connection between the first service and the physical/hardware resource based on the determining.
US11991089B2 Proxying a data access request in a storage network
Methods and apparatus for proxying data access requests in a storage network are disclosed. In various embodiments, a computing device associated with a first storage location of the storage network performs a method that includes receiving a portion of data that is in the process of being replicated from a second storage location of the storage network. The computing device facilitates storage of the portion of data in the first storage location of the storage network. In response to receiving a read request for the portion of data during the data replication process, the computing device determines whether the portion of data is available from memory of the first storage location. In response to determining that the portion of data is available from memory of the first storage location, the computing device issues a read response that includes the portion of data.
US11991087B2 Enhancement of user plane flow control for retransmitted packets
An apparatus of a next generation Node B (gNB) Distributed Unit (DU) comprises one or more baseband processors to transmit one or more retransmitted Packet Data Convergence Protocol (PDCP) Protocol Data Units (PDUs) received from a gNB Central Unit (CU) to a user equipment (UE), and to feed back not only a latest, in-sequence New Radio User-plane (NR-U) Sequence Number (SN) to the CU for Release 15, but also a highest, in-sequence successfully delivered/transmitted PDCP SN, optionally, with a NR-U SN up to which the reported PDCP SN should be applied, which can provide an exact range of successfully delivered/transmitted status for retransmitted packets even in case of DU's re-ordering based on PDCP SN before transmitting to the UE. The apparatus can include a memory to store the reported PDCP SN and NR-U SN.
US11991084B2 AI-assisted WAN link selection for SD-WAN services
An example method includes receiving, by a software-defined networking in a wide area network (SD-WAN) system having a first WAN link and a second WAN link for an SD-WAN service, WAN link characterization data for the first WAN link over a time period; determining, by the SD-WAN system based on processing the WAN link characterization data for the first WAN link using a machine learning model trained with historical WAN link characterization data for one or more WAN links, an indicator of a predicted performance metric of the first WAN link at a future time; and reassigning, by the SD-WAN system based on the indicator, an application from the first WAN link to the second WAN link.
US11991082B2 Network congestion processing method and related apparatus
A network congestion processing method includes performing Explicit Congestion Notification (ECN) marking on a packet using first ECN configuration information, obtaining first network status information indicating a network status when the first ECN configuration information is used; determining second ECN configuration information based on the first ECN configuration information and the first network status information; and performing ECN marking on the packet using the second ECN configuration information.
US11991081B1 Micro SID packet processing
An example first network device includes a control unit configured to execute at least one application and a forwarding unit. The forwarding unit includes an interface configured to receive packets, at least one packet processor operably coupled to a memory, and a forwarding path, wherein at least a portion of the forwarding path is stored in the memory and is executable by the at least one packet processor. The forwarding unit is configured to receive an advertisement originated by a second network device in a network, wherein the advertisement specifies a second micro segment identifier (SID), and store, in a destination lookup table, a route entry comprising a first micro SID associated with the first network device and the second micro SID.
US11991080B2 Method of filtering packets in network switch and related filter
A method for packet filtering in a network switch includes: utilizing an access control list circuit to filter received packets, wherein the access control list circuit compares header information of the received packets with an access control list to filter the received packets, where the access control list has at least one entry, and rule information in the entry includes only a portion of an IP address; and utilizing a routing circuit to further filter packets that pass the access control list circuit, wherein the routing circuit compares header information of the packets that pass the access control list circuit with a routing table to filter the packets, wherein the routing table has at least one entry, and rule information in the entry includes an entire IP address.
US11991079B2 Metrics for fairness and latency assurance in IAB networks
Systems and methods for implementing various metrics for in integrated IAB networks are disclosed. A child IAB node may determine metrics regarding one or more of its data flows and report these metrics to an upstream IAB node (that is a parent node and/or an IAB donor). The upstream node may determine a data flow prioritization configuration using these metrics that it either uses itself or sends back to the child IAB node or another IAB node of the IAB network for use there. Metrics discussed include a number of hops metric, an aggregate throughput per BH RLC channel ID (or per routing ID) metric, a fairness index per BH RLC channel ID (or per routing ID) metric, a packet drop metric, and a per-hop latency for aggregated traffic per BH RLC channel ID (or per routing ID) per IAB node metric.
US11991077B2 Data interfaces with isolation for containers deployed to compute nodes
In general, techniques are described for deploying a logically-related group of one or more containers (“pod”) that supports the Data Plane Development Kit (DPDK) to support fast path packet communication on a data channel between a virtual router and the pod. In an example, a computing device comprises a virtual router comprising processing circuitry and configured to implement, in a computing infrastructure that includes the computing device, a virtual network to enable communications among virtual network endpoints connected via the virtual network. The computing devices comprises a pod comprising a containerized application, wherein the virtual router and the pod are configured to create a Unix domain socket using a file system resource that is accessible by the pod and by the virtual router and is not accessible by any other pods deployed to the computing device.
US11991076B1 Optimized MVPN route exchange in SD-WAN environments
According to certain embodiments, a router comprises one or more processors and one or more computer-readable non-transitory storage media. The one or more computer-readable non-transitory storage media comprise instructions that, when executed by the one or more processors, cause one or more components of the router to perform operations comprising determining an occurrence of one or more network events associated with a multicast service, generating route exchange information associated with the multicast service locally by the router based on the one or more network events, and using the route exchange information locally to configure the router.
US11991068B2 Multichassis link aggregation method and device
A multichassis link aggregation method includes receiving, by a first network device, n pieces of second information of n second network devices. The first network device and the n second network devices are in a multichassis link aggregation group (MC-LAG), n is an integer greater than or equal to 1, the n pieces of second information include n second port keys, and the n pieces of second information are in one-to-one correspondence with the n second port keys. The method also includes determining, by the first network device, a third port key based on a first port key of the first network device and the n second port keys. The third port key is an MC-LAG configuration parameter of the first network device.
US11991066B2 Method of establishing bidirectional forwarding detection session based on BIER, and BFIR, BFER, system and storage medium
Embodiments of the invention relate to the field of the multicast network. Disclosed by the embodiments of the present invention are a method of establishing a bidirectional forwarding detection (BFD) session based on bit index explicit replication (BIER), a BFIR, a BFER, a system and a storage medium. A method includes: establishing, by a bit-forwarding ingress router (BFIR), the BFD session; flooding, by the BFIR, BFD information to a bit-forwarding egress router (BFER) group based on an Interior Gateway Protocol (IGP); and transmitting, by the BFIR, a BFD control packet to a BFER, to trigger the BFER to establish the BFD session corresponding to the BFIR.
US11991063B2 Anomaly detection device, anomaly detection method, and program
An abnormality detection device according to the present invention is a video transmission state abnormality detection device connected via a network to a plurality of video transmission devices, an IP packet transfer device on the transmission side, an IP packet transfer device on the reception side, and a plurality of video reception devices. The video transmission state abnormality detection device prepares a transmission/reception IP flow table by aggregating IP flow information for the devices, detects an abnormality in transmission on the basis of the transmission/reception IP flow table, and specifies the location of the abnormality. The abnormality detection device according to the present invention can automatically detect the amount of traffic and specify which part of a transmission path an abnormality is caused on, without the need for advance setting. Therefore, video or sound traffic can be monitored efficiently.
US11991062B2 Adaptation to a pulse width modulation frequency variation for a sensor operating in a synchronous mode
In some implementations, a sensor may determine a delay latency value associated with an amount of time from completion of a set of sensor tasks to an actual time of reception of a trigger to selectively transmit or sample sensor data. The sensor may calculate a deviation of the delay latency value from a target delay latency. The sensor may transmit a data frame including an indication associated with the deviation of the delay latency value from the target delay latency.
US11991058B2 Containerized service with embedded script tool for monitoring health state of hyper-converged infrastructure resources
A disclosed method deploys a containerized health monitoring service that includes an embedded health monitoring service script. The containerized service generates a secure shell (SSH) key pair including an SSH public key and an SSH private key. A management account of the containerized service is registered with a centralized account service. An SSH control module of a hyper-converged infrastructure (HCI) manager retrieves from the account service the management account of the containerized service. The control module visits the containerized service to retrieve the SSH public key and stores the SSH public key to a target resource such as a host or virtual machine to enable any instance of the containerized service to remotely execute the health monitoring service script on the target resource with an SSH command.
US11991057B2 Illicit route viewing system and method of operation
A route viewing system includes a computing system that receives information associated with one or more routes through a network, and identifies the routes that are associated with at least one illicit user computer used by an illicit user. The computing system then obtains a source location of a source address of the routes and a destination location of a destination address of the routes, and displays the routes on a geographical display at the source location of the source address and the destination location of the destination address of each of the routes.
US11991056B1 Graphical diagnosis and remediation of impairments within a service provider network
Systems, methods, and apparatuses disclosed herein can receive an inquiry from a subscriber of a service that describes a symptom of an impairment within the service provider network that is being experienced by the subscriber which is causing the service to not perform as expected. These systems, methods, and apparatuses can identify a symptom indicator from among multiple symptom indicators that corresponds, or most closely corresponds, to the symptom that is described by the subscriber. Thereafter, these systems, methods, and apparatuses can identify a remediation action from among multiple remediation actions that corresponds to the symptom indicator. In some situations, these systems, methods, and apparatuses can perform the remediation action to diagnose and/or to remedy the impairment within the service provider network.
US11991049B2 Communication method, apparatus, and system
A communication method includes receiving, by a second data analytics network element, a status analytics output of a target object from a first data analytics network element. The target object includes one or more of a network device, a sub-domain of a network, an all-domain of a network, or a terminal device. The communication method also includes obtaining, by the second data analytics network element based on the status analytics output of the target object, first input data corresponding to a target type of analytics. The status analytics output of the target object indicates that the target object is in an abnormal state, indicating that the first input data does not comprise data corresponding to the target object. The communication method further includes generating, by the second data analytics network element based on the first input data, a first analytics output corresponding to the target type of analytics.
US11991043B2 Network node policy generation and implementation
An operator node is configured to enable the management of nodes communicatively coupled to the operator node via a network. A selection of node objects is received by the operator node, the selected node objects including software components for inclusion within a node configuration. A configuration policy is generated based on the selected objects, the configuration policy including a set of tests (such as scripts or executables) that, when run, test for the presence of one or more of the selected node objects. A target node is scanned to determine the configuration of the target node, and the set of tests are applied to identify a set of objects identified by the policy but not installed at the target node. The target node is then re-configured to install the identified set of objects at the target node.
US11991041B2 Autonomous terraforming on cloud infrastructures
A process for defining a cloud service in an Infrastructure as Code (IaC) tool is designed to dynamically determine numbers of clusters, availability domains, compute nodes, and/or load balancers at run time. These values are then used to determine a number of subnet levels required for a classless inter-domain routing (CIDR) slicing operation to generate subnets for each of the compute nodes and load balancer nodes in the service. Because IaC languages do not provide nested loop control constructs, labels for each of the subnets can be generated and assigned using a Cartesian product of label elements. These labels can be modified by a count variable that is incremented each time a resource is duplicated in the script to simulate the effect of a nested loop structure.
US11991038B2 Damaged part identifying apparatus, method and program
In a failure location identification apparatus according to one embodiment, a facility information management unit records therein facility information including positional information of a physical resource, an external factor information management unit records therein external factor information concerning an external factor that possibly becomes a factor that causes a failure in the physical resource, the external factor information including positional information of the external factor, and a facility influence definition management unit records therein information concerning a possible influence of the external factor on the physical resource. A facility influence determination process unit identifies a failure occurrence location at which the failure is estimated to occur in the physical resource, from the facility information that is recorded in the facility information management unit and has positional information corresponding to the positional information of the external factor information, and outputs failure location information including information indicating the identified failure occurrence location, when it is determined that the external factor information recorded in the external factor information management unit influences the physical resource, on a basis of the information recorded in the facility influence definition management unit.
US11991036B2 Communication method and apparatus, entity, and computer-readable storage medium
This application provides a communication method performed at a control function entity. The method includes: receiving N first requests transmitted by N first network function (NF) entities, each of the first requests including a first valid time in which a first NF entity transmitting the first request provides a service; receiving a second request transmitted by a second NF entity, the second request being used for determining a third NF entity from the N first NF entities; and transmitting a first response to the second NF entity, the first response including a first valid time in which a third NF entity provides a service, such that the second NF entity performs service communication with the third NF entity within the first valid time in which the third NF entity provides the service, the third NF entity being included in the N first NF entities.
US11991035B2 Method and device for sending and detecting synchronous signal
Disclosed in the present invention are a method and device for transmitting and detecting a synchronous signal, which is used to solve the problem that there is currently no clear solution as to how should a terminal detect a synchronous signal when multiple types of base-band numerology are defined in a new wireless communication system. The method comprises: a terminal determining a base-band numerology used to detect a synchronous signal; the terminal detecting the synchronous signal according to the determined base-band numerology. The terminal first determines a base-band numerology used to detect a synchronous signal before detecting said synchronous signal, and then detects the synchronous signal according to the determined base-band numerology, so as to identify the base-band numerology used in the synchronous signal transmission in future communication systems which support multiple types of base-band numerology, thereby correctly detecting the synchronous signal.
US11991034B1 Sample-level error-correcting code
A first wireless communication device may encode real samples of data to obtain encoded data based at least in part on adding one or more time domain complex samples to the real samples of the data. A function of the one or more time domain complex samples may be a known value, and the function may be a sum of exponentials of the one or more time domain complex samples. The first wireless communication device may transmit, to a second wireless communication device, the encoded data.
US11991032B2 Multi-user(MU) transmission for soliciting acknowledgement(ACK) from a target base station
In order to efficiently schedule data transmission of a plurality of terminals, the wireless communication terminal receives a trigger frame indicating uplink multi-user transmission, and transmits an uplink multi-user PPD U (PLCP Protocol Data Unit) in response to the received trigger frame. In this case, the trigger frame and the non-legacy preamble of the uplink multi-user PPDU include remaining TXOP (Transmission Opportunity) time information of the uplink multi-user transmission process.
US11991028B1 Decoding systems and methods for mitigating distortions in digital signals
Various embodiments of the present disclosure disclose decoding techniques for mitigating data corruption due to duty cycle distortion, jitter, and other distortions to a digital signal. Decoding processes, apparatuses, and systems are provided that utilize a decoding framework for improving the accuracy of output bit streams generated from digital signals. An example process receives data indicative of a digital signal, generates a signal measurement for the digital signal that includes signal length descriptive between a two rising edges of a digital signal or two falling edges of the demodulated digital signal, and generates at least one portion of an output bit stream for the digital signal based at least in part on the signal measurement.
US11991027B2 Phase demodulation using pulse signal
Systems and methods for phase demodulation is described. A wireless power transmitter can include a controller, a transmission coil, and an integrated circuit connected to the controller and the transmission coil. The integrated circuit can be configured to measure a voltage of a transmission coil of a wireless power transmitter. The integrated circuit can be further configured to generate, based on the measured voltage, a pulse signal comprising a plurality of pulses. The integrated circuit can be further configured to send the pulse signal to the controller of the wireless power transmitter. The controller can be configured to perform phase demodulation using the pulse signal.
US11991025B2 Transceiver parameter determination
Examples described herein include setting an equalizer tap setting and gain setting in a serializer/deserializer (SerDes). In some examples, determining an equalizer setting and gain setting occurs by causing a mean-square error cost scheme tracking to lock to an offset from a minimum of a cost of the mean-square error cost scheme without pausing error cost tracking. In some examples, the mean-square error cost scheme comprises a least mean square (LMS) scheme. In some examples, determining an equalizer setting comprises: applying increases or decreases to an equalizer setting, and an increase to an equalizer setting can be a different amount than an amount of decrease to an equalizer setting.
US11991023B2 Path construction method and related device
A path construction method and related devices are disclosed. The method may include: advertising, by a second PE node, a first VPN route to a first PE node through an MP-BGP signaling channel, such that the first PE node is able to determine a label forwarding path to a first VPN Prefix based on a first transmission path descriptor (TPD) carried in the first VPN route received; where the first TPD is configured to identify the label forwarding path for a first VPN message to reach a BGP next hop.
US11991022B2 Monitoring controller area network (CAN) XL nodes
A method can comprise determining, by a device comprising a processor, a transceiver mode based on a first Controller Area Network (CAN) XL transceiver mode switch message received over a first receive data signal on a CAN XL network to a first transceiver, and in response to determining the transceiver mode, routing, by the device, a second CAN XL transceiver mode switch message over a second receive data signal to a second transceiver.
US11991019B2 Building data platform with event queries
A building system of a building including one or more memory devices having instructions thereon, that, when executed by one or more processors, cause the one or more processors to manage a plurality of entitlements for a plurality of subscriptions of one or more buildings with a building entitlement model, receive a first request to perform a first operation for a first subscription and a second request to perform a second operation for a second subscription, and implement the first operation on first computing resources of a first zone based on the building entitlement model in response to a first determination that the first subscription has the first entitlement and implement the second operation on second computing resources of the second zone based on the building entitlement model in response to a second determination that the second subscription has the second entitlement.
US11991018B2 Building data platform with edge based event enrichment
An edge platform of a building communicatively coupled to a cloud system, the edge platform including one or more memory devices having instructions stored thereon and one or more processors executing the instructions causing the one or more processors to receive an event from a piece of building equipment of the building, the event indicating a data value associated with the piece of building equipment occurring at a particular time, identify contextual data of a data structure that provides a contextual description of the event, generate an enriched event by enriching the event with the contextual data, the enriched event including the data value, the particular time, and the contextual data, and communicate the enriched event to the cloud system configured to operate based on the enriched event.
US11991015B2 System for reducing bandwidth usage associated with chat rooms
According to some embodiments, a system for reducing bandwidth usage is disclosed. The system comprises a computer server that receives a request to initiate a chat room, associated with digital content over a computer network and a computer readable medium comprising instructions that perform a method when executed by the centralized computer server. The method comprises initiating a multicast communication and assigning a unique identifier to the multicast communication. A set of messages associated with the unique identifier is received. If it is determined that a number of messages is greater than a pre-determined number of messages, determining a location of each of the users and grouping the users into a first group and into a second group where the first group are all located within a pre-defined radius based on a first determined location and the second group are all located within a pre-defined radius based on a second determined location.
US11991012B2 Packet forwarding method, packet sending apparatus, and packet receiving apparatus
A packet forwarding method. The method includes: a first node configures a first identifier of a first VPN and a first IPv6 address on a control plane. The first node sends a first indication message to a second node, where the first indication message carries the first identifier and the first IPv6 address. The second node first determines, based on locally configured information about the first VPN and the first identifier in the first indication message, a second identifier that is of the second node and that satisfies a preset correspondence with the first identifier, and then establishes a correspondence between the first IPv6 address and the second identifier. The first node encapsulates, on a forwarding plane based on the first IPv6 address, a multicast data packet belonging to the first VPN, to obtain a to-be-forwarded BIER packet and sends the to-be-forwarded BIER packet.
US11991010B2 Information transmission method and device and storage medium
An information transmission method, comprising: receiving, by a network device, Acknowledgement (ACK)/Non-Acknowledgement (NACK) information sent by a first terminal device; wherein the ACK/NACK information is obtained by the first terminal device according to information of a second sidelink channel sent by a second terminal device and received by the first terminal device, the ACK/NACK information is used for indicating whether sidelink data sent by the first terminal device to the second terminal device is correctly received by the second terminal device, the second sidelink channel comprises a sidelink feedback channel; sending downlink control information to the first terminal device, wherein the downlink control information carries second indication information, and the second indication information is used for determining a transmission resource for the ACK/NACK information.
US11991007B2 Method and apparatus for transmitting HARQ-ACK/NACK in wireless communication system
A method and an apparatus are provided for transmitting a hybrid automatic repeat request-acknowledgment/negative acknowledgment (HARQ-ACK/NACK). A first set including at least one HARQ-ACK/NACK timing value is identified. Each timing value indicates a time difference between a downlink time unit for physical downlink shared channel (PDSCH) reception and an uplink time unit in which a HARQ-ACK/NACK feedback is transmitted. A second set is determined that includes at least one downlink time unit. A codebook is generated for the HARQ-ACK/NACK feedback. A size of the codebook is identified based on a size of the second set and a number of HARQ-ACK/NACK bits corresponding to each downlink time unit. The codebook is transmitted to the base station. The number of HARQ-ACK/NACK bits is determined based on a number of code block groups (CBGs) in one transmission block (TB), in case that scheduling for a downlink transmission is based on CBG.
US11991001B2 Dynamic termination of hybrid automatic repeat request retransmissions
Methods, systems, and devices for wireless communications are described. Some wireless communications systems may support hybrid automatic repeat request (HARQ) schemes to improve the likelihood that information is received correctly over a wireless communications link. In HARQ, when a transmitting device determines that a receiving device failed to successfully decode a transmission of information, the transmitting device may retransmit the information to the receiving device. In some cases, HARQ techniques may be used for communications associated with different types of services. In such cases, to keep the latency of communications within a latency budget for a particular type of service, wireless devices may utilize the techniques described herein to dynamically terminate HARQ retransmissions. For instance, a transmitting device may avoid retransmitting information when an amount of time that has elapsed since an original transmission of the information has exceeded the latency budget.
US11990992B2 System and method for triggering an alarm during a sensor jamming attack
Methods, systems, and apparatus, including computer programs encoded on a storage device, for triggering an alarm during a sensor jamming attack. In one aspect, a monitoring system sensor unit is disclosed that includes a sensor, a communication unit configured to communicate with a monitoring system using a range of frequencies, and a jamming detection unit. The jamming detection unit may include a processor and a computer storage media storing instructions that, when executed by the processor, cause the processor to perform operations. The operations include detecting a sensor jamming event, selecting a different form of communication other than the range of radio frequencies for the communication unit to communicate with the monitoring system, and providing, to the communication unit, an instruction to communicate with the monitoring system using the form of communication, wherein the communication unit may communicate, to the monitoring system using the form of communication, the sensor data.
US11990990B2 Relay device and communication system
A relay device includes a plurality of physical ports (111-1 to 111-N) that receive frames, and a layer-2 protocol processing unit (113) that transfers the frame received by one of the physical ports (111-1 to 111-N) from at least one of the physical ports (111-1 to 111-N). The layer-2 protocol processing unit (113) has a filtering function for blocking frames other than a clock-time synchronization frame during transfer involving a port selected from the plurality of physical ports (111-1 to 111-N) as a port that relays only the clock-time synchronization frame used for synchronizing clock time.
US11990989B2 Synchronizing systems-on-chip using GPIO timestamps
An electronic eyewear device includes first and second systems-on-chip (SoCs) having independent time bases. The first and second SoCs are connected by a shared general purpose input/output (GPIO) connection and an inter-SoC interface. The first and second SoCs are synchronized to each other by the first SoC asserting the shared GPIO connection to the second SoC where assertion of the message to the shared GPIO connection triggers an interrupt request (IRQ) at the second SoC. The first SoC records a first timestamp for assertion of the message to the GPIO connection, and the second SoC records a second timestamp of receipt of the IRQ. The first SoC sends a message including the first timestamp to the second SoC over the inter-SoC interface. The second SoC calculates a clock offset between the first and second SoCs as a difference between the first and second timestamps.
US11990986B2 Spectrum resource configuration method, network device, and system
This application provides a spectrum resource configuration method, a network device, and a system. The method includes: A network device determines spectrum resources to be used by a to-be-opened channel, where the spectrum resources to be used by the to-be-opened channel include first spectrum resources and a second spectrum resource, the first spectrum resources are original spectrum resources of the to-be-opened channel, the second spectrum resource is some of original spectrum resources of an adjacent channel of the to-be-opened channel, and the original spectrum resources of the adjacent channel are adjacent to the original spectrum resources of the to-be-opened channel; and opens the to-be-opened channel based on the spectrum resources to be used by the to-be-opened channel.
US11990985B2 Time division multiple access optical subcarriers
A transmitter can include a laser operable to output an optical signal; a digital signal processor operable to receive user data and provide electrical signals based on the data; and a modulator operable to modulate the optical signal to provide optical subcarriers based on the electrical signals. A first one of the subcarriers carriers carries first TDMA encoded information and second TDMA encoded information, such that the first TDMA encoded information is indicative of a first portion of the data and is carried by the first one of the subcarriers during a first time slot, and the second TDMA encoded information is indicative of a second portion of the data and is carried by the first one of the subcarriers during a second time slot. The first TDMA encoded information is associated with a first node remote from the transmitter and the second TDMA encoded information is associated with a second node remote from the transmitter. A second one of the subcarriers carries third information that is not TDMA encoded, the third information being associated with a third node remote from the transmitter. A receiver and system also are described.
US11990980B2 Handover control method and device
The present disclosure relates to the field of wireless communication technology, and in particular, to a handover control method and device. The existing handover mechanism may cause the problem that too frequent handover measurement of a terminal increases the energy consumption of the terminal, negatively impacting the power saving of the terminal. A source satellite base station of the embodiments of the present disclosure receives auxiliary information reported by a terminal, determines at least one candidate satellite base station according to satellite base station orbital map information of the current region and the auxiliary information, and returns a handover command to the terminal according to the at least one candidate satellite base station, so that the terminal determines, according to the handover command, a target satellite base station to which the terminal is to be handed over, and is handed over from the source satellite base station to the target satellite base station. As the embodiments of the present disclosure provide a handover procedure for source satellite base station decision triggering, a terminal does not need to frequently measure the current serving base station and an adjacent base station, thereby simplifying the handover procedure and reducing the energy consumption of the terminal.
US11990977B1 Beam training method and apparatus
Embodiments of this application provide a beam training method and an apparatus, to improve beam training performance. The method includes: The first apparatus determines a quasi co-location assumption of a first reference signal, and receives, based on the quasi co-location assumption of the first reference signal, the first reference signal sent by a second apparatus. The quasi co-location assumption meets at least either of the following conditions: A plurality of periodic instances of the first reference signal at an interval of N periodicities have a same quasi co-location assumption, where N is an integer greater than 0; and first reference signals that have different indexes and that are in a same resource set have different quasi co-location assumptions.
US11990972B2 Beam management for uplink transmissions in radio systems
A wireless device may transmit, to a base station, a beam switching type indication requesting a beam switching type initiated by the wireless device. The wireless device may receive a command confirming the beam switching type indication. The wireless device may select, based on the command, a reference signal set for the beam switching type initiated by the wireless device. The wireless device may transmit an uplink transport block based on a spatial domain transmission filter associated with one or more reference signals of the reference signal set.
US11990971B2 Method and apparatus for optimizing of beamforming based on user experience
A system may include an access network comprising at least two base stations configured to communicate with a wireless communication device via dynamically steerable or formable beams, a resource manager disposed at a location accessible via the access network or at the wireless communication device, and an experience tester configured to determine a qualitative assessment of capabilities of the access network relative to different categories of services or applications for the wireless communication device via a first beam formed or selected to serve the communication device. The resource manager may be configured to initiate a handover based on both location-based criteria and user experience based criteria. The user experience based criteria may be associated with the qualitative assessment.
US11990964B2 Channel state information report calculation
Apparatuses, methods, and systems are disclosed for channel state information report calculation. One method (700) includes receiving (702) configuration information for multiple channel state information reference signal resources. The method (700) includes determining (704) two channel state information reference signal resources of the multiple channel state information reference signal resources to be used for calculating a channel state information report. The two channel state information reference signal resources are received from different transmission reception points, different panels, or a combination thereof. In certain embodiments, the method (700) includes transmitting (706) the channel state information report calculated based on the two channel state information reference signal resources.
US11990960B2 Beamforming configurations
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication of a capability to use a set of beamforming configurations associated with a beamforming circuit architecture of the UE. The UE may receive an indication of a selected beamforming configuration to use for one or more communications. Numerous other aspects are described.
US11990958B2 Port selection codebook enhancement
Apparatus and methods are provided for port selection codebook configuration. A user equipment (UE) may decode a channel state information (CSI) report configuration (CSI-ReportConfig) from a base station. The CSI-ReportConfig indicates up to L CSI reference signal (CSI-RS) ports for selection by the UE out of P CSI-RS ports configured for measuring and reporting CSI. The UE determines selected CSI-RS ports out of the P CSI-RS ports. The selected CSI-RS ports include the L CSI-RS ports or less. The UE generates a port selection matrix W1 corresponding to the selected CSI-RS ports. The UE also generates an indication of the port selection matrix W1 to the base station. The CSI-ReportConfig may further configure the UE to select a subset of frequency basis. The UE determines a selected subset of frequency basis and generates a frequency basis selection matrix Wf corresponding to the selected subset of frequency basis.
US11990957B2 Dynamic MU-MIMO layer limit control
To perform wireless communication scheduling, a network node (700) calculates a corresponding layer limit for each of a plurality of scheduling intervals of a cell (20) served to a plurality of user equipment via multi-user multiple-input multiple-output (MU-MIMO). The network node (700) schedules time-frequency resource utilization such that, for each of the scheduling intervals, no time-frequency resource is scheduled for use by more of the UEs (200) than the layer limit corresponding to the scheduling interval.
US11990953B2 Light trunking system having data transmission function
The present invention relates to a light trunking system, comprising: at least one trunking rail (6) for fastening components (7 . . . 13) of the light trunking system (1) to the trunking rail (6); electrical lines (L3, L4), which run in the trunking rail (6) and can be contacted by the components (7 . . . 13) in order to supply power to the components (7 . . . 13); a data terminal (D1, D2) for receiving data; and a first adapter (16), which is connected to the electrical lines (L3, L4) and to the data terminal and is designed to transmit data received by the data terminal (D1, D2) to a second adapter (17) via the electrical lines (L3, L4) by means of a modulation method.
US11990951B2 Method for implementing fault diagnosis by means of spread spectrum carrier
A method for implementing fault diagnosis by means of a spread spectrum carrier includes the following steps: designing incident signal parameters, selecting a spread spectrum sequence for fault detection, determining a center frequency and a sequence length of a spread spectrum code, and segmenting and transforming a power carrier source signal; using the fault detection spread spectrum sequence as a carrier spread spectrum code, and performing spread spectrum modulation on the transformed power carrier source signal to generate an SSPLCR sequence; coupling the SSPLCR sequence to a cable to be tested, and when the cable works normally without failure, transmitting the SSPLCR signal to the receiving terminal via the cable; when the cable fails, reflecting the SSPLCR signal back to the transmitting terminal.
US11990950B2 Communication network system
An air-conditioning apparatus includes a first transmission channel, a plurality of second transmission channels different from the first transmission channel, a controller connected to the first transmission channel and not connected to the second transmission channels, a plurality of air-conditioning indoor units connected to the second transmission channels and not connected to the first transmission channel, and a plurality of air-conditioning outdoor units. The plurality of air-conditioning outdoor units electrically connect the first transmission channel and the second transmission channels, and do not transmit a short-circuit state occurring in one of the first transmission channel and the second transmission channels to a transmission channel other than the one of the first transmission channel and the second transmission channels, thereby enabling communication between devices connected to the transmission channel other than the one.
US11990945B2 System for clock synchronization with polarization entangled photons
A system includes a quantum light device comprising a light source configured to emit a plurality of pairs of photons, wherein each pair of photons of the plurality of pairs of photons occupies a quantum entangled state. The system also includes optical circuitry configured to receive a first set of photons and a second set of photons. A set of photon detectors may receive the first set of photons and the second set of photons from the optical circuitry. Additionally, the system may include processing circuitry configured to determine, based on a set of time signals corresponding to each photon detector of the set of photon detectors, whether a time delay value exists in which a Clauser, Home, Shimony and Holt (CHSH) parameter is greater than a threshold CHSH parameter value.
US11990944B1 Communication networks including quantum dot coherent comb lasers, and associated methods
A method for generating optical communication signals in a communication network includes (1) generating at least a first optical tone and a second optical tone using a quantum dot (QD) coherent comb laser (CCL), the first and second optical tones having different respective wavelengths, (2) modulating the first optical tone according to a first modulation signal to generate a first communication signal, and (3) modulating the second optical tone according to a second modulation signal to generate a second communication signal.
US11990935B2 Devices, systems, and methods for free space key exchange
An apparatus comprises a support structure and one or more first optical components on the support structure that communicatively couple with a first endpoint. The one or more first optical components are configured to output and receive optical signals that travel over a free space medium to establish a secure link between the first endpoint and a second endpoint.
US11990932B2 Intellectual property security locking apparatus and method
A clock buffer or driver is gated pending reception of verifiable crypto keys. These clock buffer or divers remain gated, thus disabling a processor from any meaningful function, till crypto keys are decoded, verified, and applied to the clock buffer or driver. A low frequency pseudorandom frequency hopping time sequence is generated and used for randomizing spread-spectrum to modulate a reference clock (or output clock) of a frequency synthesizer. This hopping time sequence holds the key to unlocking the crypto keys. The PWM modulated crypto keys are carried by the hopping time sequence. To decode the PWM modulated crypto keys, the hopping time sequence is used. The reference clock which is modulated with crypto keys in the spread-spectrum is sent to a decoder (in a processor) along with the hopping time sequence. The crypto keys are decoded and then used to un-gate the clock buffer.
US11990929B2 Systems and methods of exposure control with wireless links
Described embodiments provide systems and methods for adjusting a radio usage of a wireless link according to a time-averaged specific absorption rate (SAR). A first device configured to concurrently maintain a first wireless link with a second device and a second wireless link with an access point of a network may determine a proposed radio usage of the first wireless link and the second wireless link. The first device may determine a state of the first device according to the proposed radio usage and sensor information from at least one sensor of the first device. The first device may determine a time-averaged SAR of a user due to the first device, according to a defined time window and the determined state of the first device, to adjust the proposed radio usage of the first wireless link and the second wireless link to satisfy a threshold level of the time-averaged SAR.
US11990926B2 Systems and related techniques for efficient operation of a cellular network
Described are concepts, systems and techniques for detecting whether an antenna is connected to a transmit system to thereby protect a power amplifier lineup from damage.
US11990923B1 Selecting data compression parameters using a cost model
In various embodiments, the system and method described herein provide functionality for selecting an appropriate compression algorithm and settings given a cost model. Specifically, in selecting a compression method and configuration, the described system and method use a cost model to take into account the financial cost of a number of aspects of a particular compression scenario, including, but not limited to, the cost of performing the compression/decompression and the cost of storing the data. In this manner, intelligent trade-offs can be made between CPU/computing cost and data storage/transmission cost in an environment where a dollar amount can be associated with CPU processing time and storage/transmission volume. The described system and method can make such decisions dynamically, so that compression and/or decompression operations can respond to changing conditions on the fly, thus leading to better and more cost-effective management of resources.
US11990921B2 List decoding of polarization-adjusted convolutional codes
Devices, systems and methods for list decoding of polarization-adjusted convolutional (PAC) codes are described. One example method for improving error correction in a decoder for data in a communication channel includes receiving a noisy codeword, the codeword having been generated using a polarization-adjusted convolutional (PAC) code and provided to the communication channel prior to reception by the decoder, and performing PAC list decoding on the noisy codeword, wherein an encoding operation of the PAC code comprises a convolutional precoding operation that generates one or more dynamically frozen bits, and wherein the PAC list decoding comprises extending, based on the one or more dynamically frozen bits, at least two paths of a plurality of paths in the PAC list decoding differently and independently.
US11990917B2 Incremental analog to digital converter incorporating noise shaping and residual error quantization
The present invention relates to an incremental analog to digital converter incorporating noise shaping and residual error quantization. In one embodiment, a circuit includes an incremental analog to digital converter, comprising a loop filter that filters an analog input signal in response to receiving a reset signal, resulting in a filtered analog input signal, and a successive approximation register (SAR) quantizer, coupled with the filtered analog input signal, that converts the filtered analog input signal to an intermediate digitized output of a first resolution based on a reference voltage, wherein the SAR quantizer comprises a feedback loop that shapes quantization noise generated by the SAR quantizer as a result of converting the filtered analog input signal; and a digital filter, coupled with the intermediate digitized output, that generates a digitized output signal of a second resolution, greater than the first resolution, by digitally filtering the intermediate digitized output.
US11990916B2 Compensated digital-to-analog converter (DAC)
A circuit includes a digital-to-analog converter (DAC) and a compensation circuit. The DAC has first and second terminals. The compensation circuit includes a capacitor and a transistor. The capacitor has first and second terminals, with the first terminal of the capacitor coupled to the first terminal of the DAC. The transistor has a source coupled to the second terminal of the capacitor, and has a gate coupled to the second terminal of the DAC.
US11990913B2 Systems and methods for providing a delay-locked loop with coarse tuning technique
To increase the operating frequency range of the DLL while decreasing varactor sizes, coarse tuning circuitry may be implemented in a delay-locked loop (DLL). The DLL may include a voltage-controlled delay line (VCDL) including multiple switched capacitors coupled in parallel to each other. An electrical ground may be coupled to the parallel switched capacitors at a first node and a buffer and variable capacitor may be coupled to the parallel switched capacitors at a second node. The coarse tuning circuitry may be electrically coupled to a phase detector and to the multiple switched capacitors of the VCDL, such that the coarse tuning circuitry may receive a signal (e.g., an indication of a phase) from the phase detector and may adjust switched capacitor loading based on the signal received from the phase detector. Such a DLL implementation may increase DLL tuning range and decrease phase noise, among other advantages.
US11990912B2 Data transmission using delayed timing signals
An integrated circuit includes a delay circuit and first and second interface circuits. The delay circuit delays a first timing signal by an internal delay to generate an internal timing signal. The first interface circuit communicates data to an external device in response to the internal timing signal. The second interface circuit transmits an external timing signal for capturing the data in the external device. An external delay is added to the external timing signal in the external device to generate a delayed external timing signal. The delay circuit sets the internal delay based on a comparison between the delayed external timing signal and a calibration signal transmitted by the first interface circuit.
US11990908B1 Dual-MEMS device with temperature correction of MEMS output based on relative MEMS operation
In a high resolution temperature sensor, first and second MEMS resonators generate respective first and second clock signals and a locked-loop reference clock generator generates a reference clock signal having a frequency that is phase-locked to at least one of the first and second clock signals. A frequency-ratio engine within the MEMS temperature sensor oversamples at least one of the first and second clock signals with the reference clock signal to generate a ratio of the frequencies of the first and second clock signals.
US11990902B2 Open-drain bus repeater and system comprising the same
A repeater for open-drain bus communication and a system including the same is provided. The repeater includes at least one repeating unit having an A-side terminal connected to an A-side open-drain bus, and a B-side terminal electrically connected to a B-side open-drain bus. The repeater has a first mode to receive a signal at the A-side and to produce a signal at the B-side. The repeating unit includes a B-side accelerator element connected to the B-side terminal. The repeating unit when in a first mode includes a first control unit to, control the B-side accelerator element to pull up a voltage at the B-side when the voltage at the A-side surpasses a first threshold voltage during a rising edge of the voltage, and to subsequently control the B-side accelerator element to stop pulling up the voltage at the B-side when the voltage at the B-side surpasses a second threshold voltage.
US11990900B2 ZQ resistor calibration circuit in memory device and calibration method thereof
In certain aspects, a circuit for ZQ resistor calibration can include a first input configured to receive a first default configuration. The circuit can also include a second input configured to receive a first calibration value based on a first comparison. The circuit can further include a first output configured to provide a first resistor code for a first resistor category. The circuit can additionally include a second output configured to provide a second resistor code for a second resistor category different from the first resistor category. The circuit can also include a first logic circuit configured to receive a signal from the first input and a signal from the second input, and provide a signal to the first output. The signal to the first output can include the first resistor code. The first resistor code can be different from the second resistor code.
US11990898B2 Parasitic immune isolated drive
In accordance with at least one aspect of this disclosure, an isolated drive (e.g., for a generator controller) includes a gate driver configured to operatively connect to a switch to drive the switch between a first state and a second state, a transformer configured to power the gate driver and provide an ON/OFF signal to the gate driver, an input line configured to connect a first side of the transformer to the gate driver, and a floating return line configured to connect a second side of the transformer directly to a source terminal of the switch such that parasitic currents from the transformer and/or drive circuit bypasses the gate driver and flows to the floating return line.
US11990896B2 Driver circuitry and operation
This application relates to methods and apparatus for driving a transducer with switching drivers. A switching driver has first and second supply node for receiving supply voltages and includes an output bridge stage, a capacitor and a network of switches. The network of switches is operable in different switch states to provide different switching voltages to the output bridge stage. A controller is configured to control the switch state of the network of switches and a duty cycle of output switches of the output bridge stage based on an input signal to generate an output signal for driving the transducer.
US11990893B2 Electroacoustic filter with low phase delay for multiplexed signals
Aspects of the disclosure relate to wireless communication, and high-frequency filters with resonators configured to systematically modify phase characteristics of an antenna reflection coefficient. One aspect is a wireless communication apparatus comprising an acoustic resonator having a first resonator side and a second resonator side, the first resonator side coupled to a first signal connection port, a first capacitor including a first side coupled to the first resonator side and the first signal connection port, the first capacitor further including a second side coupled to a ground connection port, and a second capacitor including a first side coupled to the ground connection port, the second capacitor further including a second side, the second resonator side and the second side of the second capacitor coupled to an output port.
US11990892B2 Acoustic wave device with transverse spurious mode suppression
An acoustic wave device with a bent section is disclosed. The acoustic wave device includes a piezoelectric layer and an interdigital transducer electrode on the piezoelectric layer. The bent section is arranged to create a curvature in a waveguide of the acoustic wave device to suppress a transverse spurious mode of the acoustic wave device.
US11990891B2 Surface acoustic wave resonator structure and method of forming the same, and filter
A surface acoustic wave resonator structure and a method of forming the resonator structure and a filter are provided. The resonator structure includes: a piezoelectric substrate; an interdigital transducer including a first interdigital electrode structure and a second interdigital electrode structure, wherein the first interdigital electrode structure comprises first interdigital electrodes and a first interdigital electrode lead-out part connected to each other, the second interdigital electrode structure comprises second interdigital electrodes and a second interdigital electrode lead-out part connected to each other, the first interdigital electrodes and the second interdigital electrodes extend along a first direction and are alternately arranged in a second direction; a temperature compensation layer, disposed on a side of the interdigital transducer away from the piezoelectric substrate; and a first protection layer disposed between the interdigital transducer and the temperature compensation layer and configured to protect the interdigital transducer from being oxidized.
US11990886B2 Filter unit
A filter unit according to the present invention includes a substrate, capacitors mounted on the substrate, and two inductors. The inductors each include a wire and a core. The core includes two core bodies. The core bodies each have a ring shape and include a wiring hole. The capacitors are disposed between the two core bodies. An opposed section extends from the respective two core bodies to a position opposed to the capacitors C. The opposed section is opposed to all of the plurality of capacitors.
US11990883B2 Electronically controllable resistor
An electronically controllable resistor (ECR) designed for changing the resistance of a portion of a circuit comprises a voltage converter, a subtractor, an instrumental resistor (IR), and an executive element (EE) which can include at least one MOSFET or IGBT or a vacuum tube. There are a high-potential and two control voltage sources. The converter, which can use logarithmic amplifiers or be digital, is adapted to multiply the high-potential voltage by one of the control voltages and divide by another one. The resulting intermediate voltage is applied to the subtractor and compared therein with a voltage drop on the IR created by the current flowing through the IR and the EE. Thus, the ECR resistance can be regulated. The ECR makes it possible to achieve a wide range of resistance values, down to ultra-small values, while maintaining tolerance to destabilizing factors, including temperature. Also claimed is an ECR control circuit.
US11990881B2 Automated tuning by measuring and equalizing speaker output in an audio environment
An example method of operation may include identifying speakers and microphones connected to a network controlled by a controller, assigning a preliminary output gain to the speakers used to apply test signals, measuring ambient noise detected from the microphones, recording chirp responses from all microphones simultaneously based on the test signals, deconvolving all chirp responses to determine a corresponding number of impulse responses, and measuring average sound pressure levels (SPLs) of each of the microphones to obtain a SPL level based on an average of the SPLs.
US11990879B2 Fully-differential amplifier with input common-mode voltage control
A fully-differential amplifier (FDA) includes a core differential amplifier and a common-mode input voltage control circuit. The core differential amplifier includes differential inputs. The common-mode input voltage control circuit is coupled to the differential inputs. The common-mode input voltage control circuit is configured to generate an error signal as a difference of an input common mode voltage at the differential inputs and a target common mode input voltage (VICM); and to adjust the input common mode voltage to the VICM based on the error signal.
US11990877B2 Power amplifier output matching with suppressed harmonics
Apparatus and methods for power amplifier output matching is disclosed. In one aspect, there is provided an output matching circuit including an input configured to receive an amplified radio frequency signal from a power amplifier, a first output, and a second output. The output matching circuit further includes a first matching circuit electrically connected between the input of the output matching circuit and the first output, the first matching circuit configured to suppress harmonics of a fundamental frequency of the amplified radio frequency signal when the amplified radio frequency signal is within a first band. The output matching circuit further includes a second matching circuit electrically connected between the input of the output matching circuit and the second output, the second matching circuit configured to suppress harmonics of the fundamental frequency of the amplified radio frequency signal when the amplified radio frequency signal is within a second band different from the first band.
US11990869B2 Circuit device and oscillator
A circuit device includes an oscillation circuit configured to oscillate a resonator to thereby generate an oscillation signal, a waveform shaping circuit to which the oscillation signal is input, and which is configured to output a clock signal obtained by performing waveform shaping on the oscillation signal, a first duty adjustment circuit configured to perform a duty adjustment of the clock signal, and an output buffer circuit configured to output a first output clock signal and a second output clock signal to an outside based on the clock signal. The output buffer circuit includes a second duty adjustment circuit configured to perform a duty adjustment of the second output clock signal.
US11990867B2 Information processing apparatus, control method, and program
An apparatus for predicting useful life of a photovoltaic module includes an input and an output. The input receives first information indicating an amount of hygrothermal stress that a photovoltaic module undergoes from a start until an end of a period during which the photovoltaic module outputs predetermined electric power. The input further receives second information indicating an amount of hygrothermal stress that the photovoltaic module undergoes per a predetermined time in a field where the photovoltaic module is deployed. The second information is generated based on information about daily maximum temperatures of the photovoltaic module in the field where the photovoltaic module is deployed. The output outputs result information about a predicted period during which the photovoltaic module is expected to output the predetermined electric power when the photovoltaic module is deployed in the field.
US11990864B2 Three-dimensional solar electrical generation systems and methods of deployment
Three-dimensional solar power generation systems have a plurality of solar panels configured to include pole and equator facing panels and, in various embodiments additional top and/or side panels that form a segmented and dome-shaped assembly. The systems have improved efficiencies particularly with respect to early morning and evening power generation that enable improved power densities on a given land area as compared to traditional solar panel arrays. Methods of deploying the systems are also described.
US11990863B2 Rail for a photovoltaic module arrangement
A rail for a photovoltaic module arrangement, the rail including a body having at least a top portion, a middle portion, and a bottom portion, the top portion including at least one upper edge in which at least one end of the upper edge defines an angle configured to receive a photovoltaic module on the body, the middle portion including at least one side edge, and the bottom portion including at least a bottom edge.
US11990862B2 Rail accessory mount
A u-shaped clamp that includes offset bends at distal ends, accepts a threaded fastener through two apertures, where tightening the fastener brings two flanges of the u-shaped clamp together to grip a wire, a cable or a pipe. An offset bend on one end of one flange serves to hold a wire or cable in position until the fastener is tightened.
US11990861B2 Horizontal solar tracker
A horizontal solar tracker (1) with a configuration that ensures the transmission of the turning movement generated by the drive element to the rotating beam and to the connecting rod-crank mechanism, prevents possible breaks and weaknesses in the joining areas, and is easy to transport. It comprises at least one front rotating beam (3) and at least one rear rotating beam (12) that can turn, joined by means of a connecting rod-crank mechanism (4). A drive assembly (2) generates the turning movement in a mobile element (22). The front rotating beam (3) has a first joining sector (31) that can be coupled to the mobile element (22) and the connecting rod-crank mechanism (4) comprises a tubular portion (42) that clasps the rotating beam (3) and a second joining sector (43) that can be coupled to the mobile element (22).
US11990860B2 Drive arrangement
A drive arrangement is provided comprising at least one drive device, which is rotatable about a rotational axis, comprises at least one drive element and at least one retaining element, the drive element being arranged offset in the radial direction in relation to the retaining element, and at least one output unit, which is rotatable or pivotable about an axis, the output unit comprising at least one drive recess and at least one retaining recess, the drive element being associated with the at least one drive recess and engaging in the drive recess to drive the output unit, and the retaining element being associated with the retaining recess and engaging in the retaining recess to hold the output unit in a set position, the drive element having a cross section that is different from a circular cross section and that is curved at least in some sections, and/or the drive recess widening in the radial direction in order to define an entry opening for the drive element.
US11990850B2 Soft switched voltage source inverter
According to at least one aspect of the disclosure, an inverter is provided comprising an input configured to receive input DC power from a DC source, an output configured to provide output AC power to a load, a plurality of DC rails coupled to the input and configured to receive the input DC power from the DC source, a plurality of switches coupled between the plurality of DC rails and configured to convert the input DC power into the output AC power, each switch of the plurality of switches having a parasitic capacitance, and at least one ZVS network coupled across at least two switches of the plurality of switches, the ZVS network including at least two inductors configured to resonate with the parasitic capacitance of at least one switch of the plurality of switches to provide soft switching of at least one switch of the plurality of switches.
US11990849B2 Hybrid multi-level inverter
This disclosure provides systems, methods, and apparatus for multi-level inverters. A hybrid binary cascaded multilevel inverter (BCMLI) is discussed that includes a plurality of H-bridge cells connected in a cascaded formation. DC input voltages of some of the H-bridge cells are provided by DC voltage sources. But inputs of other H-bridge cells coupled with capacitors instead. The H-bridge cells are operated to provide an AC output voltage at the output terminals of the inverter. One or more floating capacitor voltage controllers are used to vary one or more switching instances of the H-bridge cells such that a desirable level or charge is maintained across the one or more capacitors coupled with the input terminals of the H-bridge cells.
US11990847B2 Body biasing of a CMOS rectifier for RF energy harvesting
A circuit and methods describing a complementary metal-oxide semiconductor (CMOS) rectifier for use in radio frequency (RF) energy harvesting with body biasing by the RF input to control the threshold voltage of each transistor. The CMOS rectifier includes an energy harvesting antenna, and multiple rectifier stages. The antenna receives electromagnetic radiation from the environment and generates a DC current. The oscillating input current is an RF+ positive current during a first half cycle and is an RF− negative current during a second half cycle. A first rectifier stage includes a first capacitor connected to the RF+ positive current, a second capacitor connected to the RF− negative current and a cross coupled CMOS circuit connected to the antenna.
US11990846B2 Power conversion apparatus, motor drive apparatus, blower, compressor, and air conditioner
A power conversion apparatus includes a converter circuit converting AC voltage output from an AC power supply into DC voltage. The converter circuit includes unit converters. The power conversion apparatus includes a low current-oriented controller the unit converters to cause current corresponding to a single phase to flow through a current detector, and a high current-oriented controller controlling operation of the unit converters based on a result of comparison between a duty command and a carrier signal, where the duty command is generated based on detection values detected by the current detector and a voltage detector. When the detection value detected by the current detector is less than or equal to a first threshold, the low current-oriented controller is activated, and when the detection value detected by the current detector is greater than the first threshold, the high current-oriented controller is activated.
US11990844B2 Direct electrical power converter
A direct electrical power converter, DPX, that connects a primary port including a DC or AC energy source, with a secondary port including a DC or AC load, comprising a transformer or autotransformer; a first power switch between two nodes, having two power terminals and a first control terminal; and a second power switch between other different two nodes having two power terminals, and a second control terminal wherein said switches are configured to connect the primary port energy source to the secondary port load, through the transformer or autotransformer. The cited first and second power switches are configured to be operated simultaneously under the action of a logic control signal providing a conducting status with all 10 the power switches being simultaneously in an On state or with all the power switches simultaneously in an Off state, connecting or disconnecting said transformer to said primary port and said secondary ports simultaneously.
US11990841B2 Multi-mode hybrid control DC-DC converting circuit and control method thereof
A multi-mode hybrid control DC-DC converting circuit has a switching power converter and a microcontroller. The switching power converter has a transformer and a switching switch. The switching switch is connected to a primary-side winding of the transformer in series. The microcontroller is connected to the switching power converter and a control terminal of the switching switch. The microcontroller sets multiple thresholds according to an input voltage of the switching power converter, and determines whether a feedback voltage of the switching power converter is higher or lower than each one of the thresholds to perform a variable-frequency mode, a constant-frequency mode, or a pulse-skipping mode. The microcontroller outputs a driving signal to the switching switch and correspondingly adjusts a frequency of the driving signal according to the variable-frequency mode, the constant-frequency mode, or the pulse-skipping mode which is performed.
US11990834B2 Method for phase-separated overcurrent protection of a three-phase bridge circuit
Disclosed is a method for operating a three-phase inverter on a three-phase load. The three-phase inverter has a direct voltage intermediate circuit, at least one three-phase bridge circuit, and at least one control unit for controlling the bridge circuit. In the at least one bridge circuit, at least two power switches per phase are provided, which are connected in series parallel to the direct voltage intermediate circuit. Depending on predefined target voltage values of the three phases of the inverter, the power switches of each individual phase are actuated via the control unit such that a three-phase alternating voltage is generated on the three-phase load via switching operations of the power switches. Very good dynamic control behaviour can be achieved despite cost-effective dimensioning of the IGBT power switches of the three-phase bridge circuit.
US11990826B2 Power electronics device and method for supplying electrical voltage to a driver circuit of a power semiconductor switch
A power electronics device has a first power semiconductor switch and a driver circuit and enables a supply of electrical voltage to a driver circuit. An auxiliary circuit arrangement has a supply capacitor, an auxiliary capacitor, a normally off auxiliary semiconductor switch, a diode and a bootstrap diode. The auxiliary semiconductor switch is connected to a reference potential connection of the first power semiconductor switch via a connection point, starting from the connection point, a series connection of the diode, a second connection point and the auxiliary capacitor is arranged in parallel with the auxiliary semiconductor switch. When the auxiliary semiconductor switch is in the off state, the auxiliary capacitor is charged by the flow of current through the first power semiconductor switch.
US11990825B2 Aircraft electric motor
Aircraft electric motors are described. The aircraft electric motors includes a motor unit having a rotor and a stator, wherein the stator includes a plurality of windings and cooling channels arranged to provide cooling to the plurality of windings, a drive unit configured to drive operation of the motor unit, and a cooling system. The cooling system includes at least one cooling channel integrally formed within at least one winding, wherein the at least one cooling channel comprises an inlet to receive a two-phase cooling fluid and an outlet configured to discharge the two-phase cooling fluid, wherein a cross-sectional area of the at least one cooling channel at the inlet is less than a cross-sectional area of the at least one cooling channel at the outlet.
US11990823B2 Self-powered irrigation systems, generator systems and methods of controlling irrigation
Some embodiments provide irrigation generator systems that include a main conduit comprising an inlet conduit and an outlet conduit; a flow control system positioned within the main conduit; a generator conduit comprising a generator inlet conduit and a generator outlet conduit, wherein the generator inlet conduit is fluidly coupled with the main conduit upstream of the flow control system, the generator outlet conduit is fluidly coupled with the main conduit downstream of the flow control system; and a generator comprising a rotor assembly cooperated with generator conduit to be physically activated by a flow of fluid through the generator conduit causing rotation of the rotor assembly and generates electrical power. The flow control system transitions between a closed state to the open state in response to a water pressure exceeding a pressure threshold.
US11990822B2 Vehicle power unit and vehicle wheel bearing with generator
Provided is a vehicle power unit as well as a vehicle wheel bearing assembly with a generator which allow a wheel bearing to be easily replaced and thereby can suppress the costs of replacement components. The vehicle power unit includes: a wheel bearing including an outer ring and a hub axle that includes a hub flange and is rotatably supported by the outer ring through a rolling element, the hub flange being configured to be attached with a wheel and a brake rotor of a vehicle; and a motor or a generator including a stator located on an outer periphery of the outer ring and a rotor located on an outer periphery of the stator and attached to the hub axle. The vehicle includes a knuckle provided with a wheel bearing fixing member. The outer ring or the stator is removably fixed to the wheel bearing fixing member.
US11990820B2 Motor unit and moving body
A motor unit includes a motor, a substrate, a motor case, a connector, and a restriction portion. In the motor, a rotor including a rotary shaft extending in an axial center direction rotates about an axial center of the rotary shaft as a rotation center. The substrate is provided with a circuit element constituting a drive circuit for driving the motor. The motor case houses the motor and holds the substrate. The connector includes a connection terminal directly connected to the substrate. The restriction portion restricts displacement of the connector with respect to the substrate by coming into contact with the connector.
US11990819B2 Electric and hydraulic machine
An electric and hydraulic machine includes a housing defining a motor chamber and a pump chamber, a motor comprising a rotor and a stator positioned within the motor chamber, and a pump comprising a pumping element positioned within the pump chamber, the pumping element movable by the motor to displace fluid in the pump chamber. The pump chamber includes a low-pressure chamber and a high-pressure chamber, a unit inlet defined by the housing and in communication with the low-pressure chamber, and a unit outlet defined by the housing and in communication with the high-pressure chamber. The pump chamber is positioned radially inward of the motor chamber such that the pump is nested within the motor. A radial cooling channel extends in a radial direction from the low-pressure chamber to the motor chamber such that fluid in the pump chamber communicates with the rotor and the stator to cool the motor.
US11990816B2 Carriage for movement on a cable and/or rail
Described is a carriage (1) for moving on a cable and/or rail comprising: a wheel (2) equipped with its own rotation shaft (3) and configured to rotate on a cable (C) and/or rail; braking masses (4) positioned parallel to the wheel (2) and made of non-magnetic material; magnetic masses (5) configured to generate a magnetic field; and a self-adjusting device (6), connected to the braking masses (4) and positioned inside the rotation shaft (3) of the wheel (2), configured for moving the braking masses (4) close to the magnetic masses (5) along a direction (D) parallel to an axis of extension of the rotation shaft (3), as a function of an increase in a speed of rotation of a wheel (2), in such a way that the magnetic masses (5) generate eddy currents by electromagnetic induction defining a slowing force proportional to the feed speed of the carriage (1).
US11990814B2 Rotary electric machine, stator thereof and manufacturing method of rotary electric machine
A connection unit is coupled to a coil end. The connection unit includes an insulator member. The insulator member includes a holder member and an insertion member. The insertion member is inserted into the coil end. A resin member includes a protective layer which protects a plurality of joint members. The resin member includes a bridge member which couples the insulator member and the joint member. The insertion member is a cylindrical shape. The insertion member is capable of accepting a plurality of joint members. The insertion member is capable of storing the resin member.
US11990812B2 Routing structure of conductive wire, motor, resolver, and method for manufacturing electronic device
A routing structure of a conductive wire includes: a body portion; a guide portion fixed to the body portion and including a protruding portion protruding to an outside of the body portion; a conductive wire hooked on the protruding portion of the guide portion; and a first insulating portion disposed between the body portion and the guide portion and insulating the body portion and the guide portion.
US11990803B2 Coil with a hairpin winding and method for producing said coil
A coil with a distributed winding formed from hairpins that each have two straight-line conductor portions arranged in different slots of a coil body. Contact regions shaped in circumferential direction adjoin the conductor portions at one axial end and are connected at the other axial end through a turning region. The contact regions have at the end remote of the coil body a connection portion that are aligned in radially extending rows. The contact regions of a layer are shaped in the same circumferential direction. A portion of the contact regions of an outer layer is deformed in radial direction to form an additional, and these contact regions are shaped in a circumferential direction opposite to the contact regions of the outer layer.
US11990800B2 Motor-driven compressor
A motor-driven compressor includes an inverter and a housing. The inverter includes three-phase switching elements and a holder that retains the switching elements. The holder is fixed to the housing with fastening members and is configured to push the three-phase switching elements toward a heat dissipating surface of the housing. The three-phase switching elements are arranged along a line segment that connects two of the fastening members. The holder includes a first accommodating portion that accommodates one of the three-phase switching elements that is located in the middle, and two second accommodating portions that respectively accommodate two of the three-phase switching elements that are located at opposite ends. Each of the two second accommodating portions includes a tongue-shaped contact portion that contacts the corresponding switching element. The contact portions are configured to be deformed to reduce a pushing force of the holder acting on the switching elements.
US11990797B2 Rotating electrical machine having a circuit for cooling magnets by the shaft
The invention relates to a rotating electrical machine (1) comprising a housing (10) including two bearings (52, 53), a rotor shaft (5) mounted to rotate freely in the housing via the bearings, a rotor (6) clamped to the rotor shaft so as to rotate the rotor shaft and comprising first (62) and second (63) axial end faces, and a cooling circuit comprising a coolant supply duct (51) arranged coaxially in the rotor shaft, and a radially oriented feed duct (54) arranged in the rotor shaft and in fluid communication with the supply duct and the rotor, characterized in that the cooling circuit further comprises a cooling chamber (61) in fluid communication with the feed duct, extending axially between the rotor and the rotor shaft, opening onto the first and second axial end faces and delimited radially by an angular portion of an external surface (55) of the rotor shaft and an angular portion (65) of an internal surface of the rotor, the two portions extending opposite and at a distance from one another.
US11990791B2 Power supply device and power supply system
The present specification relates to a power supply device and a power supply system which enable uninterruptible power supply, wherein a circuit breaker is provided in a power bus to which a plurality of power supply devices are connected, so as to switch on/off the connected power supply devices, and thus the UPS function can be performed among the plurality of power supply devices by opening or closing the circuit breaker according to various situations occurring in the system to control power reception and supply.
US11990787B2 Flexible charging pad and manufacturing method thereof
A flexible charging pad and a manufacturing method thereof are provided. The manufacturing method of the flexible charging pad includes: providing a double-sided tape to form an adhesion layer, one of two isolation papers is attached on the first adhesion surface, and another of the two isolation papers is attached on the second adhesion surface; removing the isolation paper attached on the first adhesion surface, and attaching a conductor on the first adhesion surface; attaching a first pad layer on the first adhesion surface to cover the conductor, the conductor is disposed between the first pad layer and the adhesion layer; disposing an adhesive to cover the conductor and the first pad layer, and to form a molded layer.
US11990780B2 Electronic device and charging foot seat thereof
An electronic device and charging foot seat thereof are provided, where the electronic device adapted to be charged by a charger pad, and the charging foot seat includes a foot pad configured to be partially embedded into a casing of the electronic device, and a plurality of metal pins disposed through and protruding from the foot pad and configured to be electrically connected to at least one circuit board of the electronic device and configured to contact the charger pad so as to form a charging path over the circuit board and the charger pad for charging the electronic device.
US11990777B2 Method for operating a battery system
A method for operating a battery system. The battery system includes parallel-connected strings. Each string includes at least one battery module. In the battery module, multiple battery cells are interconnected in a series connection and/or in a parallel connection. The strings are switchable on and off from one another. The battery cells and/or battery cell packets are switchable on and off from one another and are bypass-able. The method includes: recognizing a fault of a battery cell; switching off and bypassing the faulty battery cell and/or the faulty battery cell packet which includes the faulty battery cell; switching off the faulty string, which includes the faulty battery cell and/or the faulty battery cell packet; comparing the string voltage of the faulty string to the string voltage of intact strings, in which no fault was recognized; discharging the intact strings if voltage differences between the strings exceed a voltage threshold value.
US11990771B2 Detection apparatus, electric power receiving apparatus, electric power transmission apparatus, wireless electric power transmission system, and detection method
A method for wireless power transmission includes obtaining, via a Q-value circuit, first and second voltages at respective first and second nodes of a resonance circuit. The first and second voltages are effective to determine if foreign matter is present in a space affecting wireless power transmission. The method includes controlling a switching section between the Q-value circuit and the resonance circuit such that at least a part of the electric power transmission process occurs at a different time than when the first and second voltages are obtained.
US11990770B2 Simplified wireless power receiver architecture
Systems, methods, and apparatuses for receiving wireless power using a wireless power receiver client architecture are disclosed. A simplified wireless power receiver apparatus includes an energy storage device and a radio frequency (RF) transceiver including an antenna. Energy harvester circuitry is coupled to the energy storage device and the RF transceiver, and control circuitry is coupled to the energy storage device, the RF transceiver, and the energy harvester. The control circuitry causes the RF transceiver to: establish a connection with a wireless power transmitter (WPT), transmit a beacon signal to the WPT, and receive a wireless power signal from the WPT. The control circuitry causes the energy harvester to deliver at least a portion of energy of the wireless power signal to the energy storage device for storage therein. In some embodiments, a single antenna is utilized both for transmitting the beacon signal and for receiving the wireless power signal.
US11990768B2 Annular resonator and wireless power transmission device including annular resonator
Disclosed is an annular resonator including a conductor formed on a surface of an annular shaped structure and having a first end and a second end opposite to the first end, and a capacitor having a first end and a second end opposite to the first end, wherein a radius of curvature of a first side facing a center portion of the annular shaped structure is smaller than a radius of curvature of a second side facing an outer periphery of the annular shaped structure, and wherein the first end and the second end of the conductor are electrically connected to the first end and the second end of the capacitor, respectively.
US11990767B2 Near field communication integrated circuit and wireless communication device including the same
A wireless communication device includes a battery, a power management integrated circuit (PMIC), a near field communication (NFC) integrated circuit connected to the battery and to the PMIC, and an internal device connected to the NFC integrated circuit and configured to support an NFC operation, wherein the NFC integrated circuit includes a power supply path control circuit configured to cut off a first power supply path from the PMIC to the internal device when the NFC integrated circuit is in an on-state or an operating state and to form a second power supply path from the battery to the internal device to supply power to the internal device based on existence or non-existence of a first supply voltage provided from the PMIC.
US11990763B2 Resonance generator system and method for capturing oscillatory signals
The present invention refers to a resonance generator system (10) capable of being used in signal capturing systems. The resonance generator system (10) comprises a signal input, a signal output, an oscillation capture module (11), a signal amplifier module (12), a phase alignment module (13), an oscillation transmitter module (14), at least one receiving antenna (15) and a power source (16). The present invention also refers to a method for capturing oscillatory signals by way of a resonance generator system (10).
US11990749B2 Power supply cell and power supply system using the same
A power supply cell of a power supply system including a first power conversion circuit to output a first DC voltage, a second power conversion circuit to output a second DC voltage, a first controllable unidirectional semiconductor switch to generate a first conduction path from the first power conversion circuit to the second power conversion circuit, a first unidirectional semiconductor switch to generate a second conduction path from the first power conversion circuit to the second power conversion circuit, a second unidirectional semiconductor switch to generate a third conduction path from the first power conversion circuit to the second power conversion circuit, a first low-pass filter, and a controlling unit operative to issue turn-on signal or turn-off signal to the first controllable unidirectional semiconductor switch to supply current to the low-pass filter via the first conduction path or both of the second conduction path and the third conduction path.
US11990747B2 Electrostatic protection circuit and semiconductor integrated circuit
An electrostatic protection circuit includes first and second output terminals, a first diode circuit connected between the first output terminal and a common node, a second diode circuit connected between the second output terminal and the common node, an intermediate voltage circuit that is connected between the first output terminal and the second output terminal and that is configured to generate, at the common node, an intermediate voltage having an intermediate voltage value between a voltage value of the first output terminal and a voltage value of the second output terminal, and a clamp circuit configured to electrically connect the common node to a ground line in accordance with the intermediate voltage.
US11990743B2 Half-wave condition detection in electrical appliances
Methods and systems for detecting a half-wave condition in an electrical appliance are disclosed herein. The method can include providing, by an electronic controller, an input signal to a triac circuit for controlling an electric motor, the triac circuit configured to control the electric motor, and receiving, by the electronic controller, a feedback signal from a feedback circuit indicative of an output of the triac circuit. The method can further include determining that the feedback signal indicates a half-wave condition is present, generating a shutdown signal for the electric motor, and providing the shutdown signal, by the electronic controller, to the triac circuit.
US11990735B1 Junction box with lid secured from the top
A junction box includes a housing that includes sidewalls and a bottom attached to the sidewalls. An exterior side of the bottom is configured to be mounted to a roof of a structure. The junction box includes a flashing attached to the housing and extending horizontally from the housing. The flashing is formed with the housing. The junction box includes a lid configured to be mounted a top edge of the sidewalls of the housing, where the top edge of the sidewalls is distal to the bottom, and one or more fasteners configured to retain the lid in proximity to the to the housing. The one or more fasteners are each inserted vertically though a hole in a top of the lid into the housing.
US11990731B2 Spark plug electrode and method of manufacturing same
A spark plug electrode includes a thermally conductive core portion and a weldable core portion that are aligned in series within a multi-piece core assembly to improve the heat management and attachment characteristics of the electrode. The thermally conductive core portion, which can be made from a copper-based material, is located towards a firing end of the ground electrode. The weldable core portion can be made from a nickel-based material and is located towards a welding end of the ground electrode. A method of manufacturing is also described for extruding and forming the spark plug electrode with the multi-piece core assembly. The method is designed so that a core interface between the thermally conductive core portion and the weldable core portion does not substantially include any internal voids, and a welding surface where the electrode is attached to a spark plug shell has a nickel-to-nickel interface, but does not substantially include any copper.
US11990729B2 Shaping pulses using a multi-section optical load
An optical device may drive a compensation section of a multi-section optical load to emit a compensation optical pulse by providing, for a first time interval, a compensation electrical pulse to the compensation section. The optical device may drive a main section of the multi-section optical load to emit a main optical pulse by generating, for a second time interval, a main electrical pulse, wherein at least a portion of the first time interval overlaps with the second time interval. The optical device may emit a combined optical pulse, wherein the combined optical pulse includes the compensation optical pulse and the main optical pulse, and wherein the combined optical pulse has a shorter rise time than the main optical pulse.
US11990724B2 Apparatus and methods for connecting sections of a coaxial line
An apparatus for a coaxial transmission line is provided. The apparatus can include a first and a second section of a conductor of the coaxial transmission line and a connector for connecting the first and the second sections in end-to-end relation. Each of the first and the second sections of the conductor have an exterior lateral surface and an interior lateral surface. For inner conductors, the connector is connected to the interior lateral surfaces of the first and second sections of the conductor. For outer conductors, the connector is connected to the exterior lateral surfaces of the first and second sections of the conductor. The connector allows the inner and outer diameters of the annulus between the inner and outer conductors line to be substantially uniform along the length of the coaxial transmission line.
US11990721B2 Electrical cable connecting system
An electrical cable connecting system includes a modular electrical or electronic wiring device assembly, in which an electrical or electronic wiring device and a connector may be electrically coupled via pig-tail jumper electrical wires. The connector may be coupled to cable electrical wires fitted with a cable protector to protect the electrical wire conductors therein. The connector may include internal electrical terminals for electrically coupling building electrical cable wires with corresponding jumper electrical wires. The connector may be mechanically and electrically coupled to and directly terminate one or more building electrical cables, which may provide power to or from one or more electrical or electronic wiring devices by establishing an electrical pathway from a source of electrical power, through the building electrical cable wires, the connector, the pig-tail jumper electrical wires and an electrical or electronic wiring device.
US11990717B2 Top binding band and head-mounted apparatus
A top binding band includes a connection binding band provided with a connection wire, and an elastic adjustable binding band below the connection binding band, wherein the connection binding band electrically connects, through the connection wire, a front-end member and a rear-end member of the head-mounted apparatus. The connection binding band can realize electrical connection between the front and rear members of the head-mounted apparatus. The adjustable binding band is located at the lower side and firstly comes into contact with the head to realize elastic support, thereby preventing the connection binding band with the fixed length and having the connection wire from being pulled, so as to enable the electrical connection to be safer and more reliable.
US11990715B2 Self-aligning radio frequency connector
The present disclosure sets forth a rigid, self-aligning radio frequency (“RF”) connector comprising a rigid body with a first connection end and a second connection end opposite the first connection end. The RF connector can also comprise a recess disposed on an outer surface of the rigid body between the first and second connection ends, and a collapsible connector support that can comprise a connection portion and a collapsible portion. The collapsible connector support can be disposed within and protrude from the recess while also being configured to collapse into the recess. The collapsible connector support can also be configured to interface with an interfacing surface to facilitate generation of a reaction force sufficient to support the RF connector in an offset position relative to the interfacing surface and to nominally align the RF connector with a device to be connected.
US11990708B2 Electrical connector
An electrical connector includes: an insulating body defining a mating space; and a terminal module assembled to the insulating body and having a circuit board and plural mating terminals mounted on the circuit board, wherein: each of the mating terminals has a contact portion extending obliquely backward, a bending portion bent backward from a front end of the contact portion, a connecting portion extending rearward from a rear end of the bending portion, and a mounting portion vertically extending from a rear end of the connecting portion for mounting on the circuit board; and a front end of the circuit board extends forward into the mating space.
US11990694B2 Multifunctional high-voltage connector and battery product
The present disclosure provides a multifunctional high-voltage connector and a battery product, the multifunctional high-voltage connector comprises: an upper cover; a pedestal; a conductive connection structure; two mating terminals; and a harness assembly. The conductive connection structure is used to make the two mating terminals be connected in series, and the harness assembly is directly connected to one of the mating terminals. When the upper cover and the pedestal are assembled, the conductive connection structure is simultaneously in contact with the two mating terminals, thereby turning on the high-voltage circuit. When the battery product requires maintenance, the upper cover is directly detached from the base, thereby turning off the high-voltage circuit. The battery product can be electrically connected to an external device via the harness assembly. The multifunctional high-voltage connector integrates both a switch function and a high-voltage connection function, therefore the connection resistance is greatly reduced.
US11990691B2 Method for tuning an electrically small antenna
A method of tuning an electrically small antenna comprising a radiating element and a support structure comprises applying a force to the support structure to change a shape or a dimension of the radiating element to increase or decrease a frequency at which the electrically small antenna resonates.
US11990685B2 Computer controlled electromechanical MMW frequency antenna scanning system and beam steering thereof
This disclosure relates generally to Millimeter Wave (MMW) frequency antenna scanning system. Conventional approaches available for scanning an antenna beam over a large angular swath with high directivity are unable to address concerns of size and cost involved. The technical problem of providing an MMW frequency antenna scanning system using a single small size antenna capable of scanning as desired at a desired precision is addressed in the present disclosure. The antenna scanning system provided is an electromechanical system that makes the system cost effective. Computer control provides precision control in beam steering from remote. Use of a metasurface and configuration of a radiating patch and a shorting pin in a microstrip antenna addresses the concern with regards to the size of the antenna scanning system.
US11990683B2 Wireless communication device and wireless communication method
A wireless communication device (500) according to the present disclosure includes a plurality of antennas (520#n), a plurality of transmitter-receivers (TRX#n) that are provided in association with each of the plurality of antennas (520#n), and each include a transmitter (TX#n) and a receiver (RX#n), a calibration transmitter-receiver (CAL-TRX), a distribution synthesis unit (530), and a control unit (510). The control unit (510) causes a transmission calibration signal to be transmitted to each transmitter (TX#n) to be orthogonalized in frequency for each transmitter (TX#n). Each transmitter (TX#n) sends the transmission calibration signal being orthogonalized in frequency. The distribution synthesis unit (530) synthesizes the transmission calibration signals being transmitted from the transmitters (TX#n), and transmits the synthesized signal to the calibration transmitter-receiver (CAL-TRX).
US11990682B2 Electronic devices having tilted antenna arrays
An electronic device may be provided with first and second sidewalls, a rear wall, and a display. Multiple antenna panels may be used to convey radio-frequency signals at frequencies greater than 10 GHz. A first antenna panel may radiate through the display while second and third panels radiate through the first and second sidewalls. The second and third panels may be tilted at non-zero angles with respect to the sidewalls. The non-zero angles may be of opposite sign. The non-zero angles may have the same magnitude. The magnitude may be equal to 15 degrees, as one example. Tilting the panels in this way may allow the panels to collectively cover as much of a sphere around the device as possible, including out of coverage areas behind the rear wall caused by conductive material in the rear wall, without requiring additional panels to be disposed within the device.
US11990679B2 Base station antennas having an active antenna module(s) and related devices and methods
Base station antennas include an externally accessible active antenna module releasably coupled to a rear of the housing. The base station antenna housing has a passive antenna assembly that cooperates with the active antenna module.
US11990678B2 Stack for fabricating an integrated circuit intended to perform an electromagnetic-lens function for a reconfigurable transmitarray antenna
A stack for fabricating an integrated circuit intended to perform an electromagnetic-lens function for a reconfigurable transmitarray antenna, the stack including in succession: a substrate that includes a set of first active components configured to generate a phase shift, and that has first and second opposite surfaces, the first active components being integrated monolithically into the substrate; a metal layer, forming a ground plane on the first surface of the substrate; a layer of a cured polymer, formed on the metal layer; vias that are electrically insulated from the metal layer and that are arranged to electrically connect pairs of planar antennas, each electrically connected pair of planar antennas including first and second planar antennas that are aligned along the normal to the first and second surfaces of the substrate.
US11990677B2 Orthogonal printed circuit board interface
A dual-polarized PCB array antenna includes one or more PCBs and a radiating antenna array. Each PCB has a PCB mounting surface that extends from a first PCB end to an opposing second PCB end. The radiating antenna array includes one or more radiator substrates. Each radiator substrate has a patch mounting surface that extends from a first substrate end to an opposing second substrate end. The dual-polarized PCB array antenna further includes one or more orthogonal interfaces configured to arrange the patch mounting surface of a given radiator substrates in an orthogonal position with respect to the PCB mounting surface of a given PCB.
US11990674B2 Adjustment of near-field gradient probe for the suppression of radio frequency interference and intra-probe coupling
A sensor probe with reduced coupling between the various antenna elements and suppression of radio frequency interference. In one embodiment the sensor probe comprises a first antenna and a second antenna. A first and a second decoupling loop is electrically connected to one of the first and second antennas with current flow in opposite directions in the first and second decoupling loops. A third decoupling loop is electrically connected to another one of the first and second antennas and physically disposed between the first and second decoupling loops. Coupling between the first and second antennas is responsive to a location of the third decoupling loop relative to the first and second decoupling loops.
US11990666B2 RFID reader/writer antenna device
An RFID reader/writer antenna device is provided that includes a first radiating element, a second radiating element, a third radiating element, baluns, a phase shifter, and a distributor. The radiating elements each comprise conductor patterns with extending directions that are parallel to each other, and used for reading or writing of RFID tags. The distributor connects the first radiating element, the second radiating element, and the third radiating element to a common input/output. The phase shifter causes a feeding phase of the second radiating element and feeding phases of the first radiating element and the third radiating element to have a phase difference of 90°. The baluns perform conversion between a balanced signal and an unbalanced signal.
US11990649B2 Fuel cell device
A fuel cell device is provided comprising a fuel cell stack, which is formed from a plurality of unit cells which are stacked one above the other in a stacking direction and which each have one or more media channels and a membrane electrode assembly, which comprises a cathode, an anode and a membrane arranged between the cathode and the anode, as well as comprising a media guide extending essentially in parallel to the stacking direction. The media guide can be or is connected to the fuel cell stack in such a way as to guide a medium essentially laterally to the stacking direction into or out of the media channels of the unit cells of the fuel cell stack.
US11990648B2 Electrochemical cell activated with a liquid electrolyte wetting the electrode assembly through a channel system in the casing lid
A miniature electrochemical cell of a primary or secondary chemistry with a total volume that is less than 0.5 cc is described. The cell has a casing comprising an annular sidewall supported on a lower plate opposite an upper lid. The lid has a sealed electrolyte fill port. At least one electrolyte channel in the inner surface of the lid extends radially from the fill port and outwardly beyond an outer peripheral edge of the current collector. A current collector contacts an inner surface of the lid with a first electrode active material contacting the current collector. An opposite polarity active material contacts the lower plate. A dielectric material coats the lower open end of the annular sidewall and a portion of the inner surface of the sidewall. A glass seals the dielectric material to the lower plate. An electrolyte activates the electrode assembly.
US11990647B2 Modular battery systems for aircraft
A modular battery system includes an array of battery modules arranged in at least one stack. Each battery module includes a plurality of battery cells, a first side having positive and negative receptacles and a second side, that is opposite of the first side, having positive and negative plugs. The receptacles and plugs are configured such that adjacent battery modules in a side-by-side relationship are electrically coupled together via plug and receptacle connections and such that the battery modules are electrically coupled together in parallel. An interconnection electrically couples each stack of battery modules together via plug and receptacle connections with one of the battery modules in each stack such that the stacks of battery modules are electrically coupled together in parallel. Each of the battery modules includes a thermal conditioning system configured to thermally isolate the battery module from the other battery modules.
US11990641B2 Separator having no separator substrate and electrochemical device including the same
Disclosed herein is a separator for electrochemical devices, configured to guarantee electrical insulation between a positive electrode and a negative electrode, wherein the separator includes no polyolefin substrate, and includes inorganic particles, a binder for coupling between the inorganic particles, and a crosslinking agent.
US11990629B2 Casing material for power storage device, production method therefor, and power storage device
A casing material for a power storage device, including a laminate that includes, in order, at least a base material layer, a barrier layer, and a heat-fusible resin layer. The heat-fusible resin layer includes a single layer or a plurality of layers. A first heat-fusible resin layer, among the heat-fusible resin layers, that constitutes the surface of the laminate has a logarithmic decrement ΔE of no more than 0.20 in a rigid body pendulum measurement at 140° C.
US11990627B2 Carrier metal catalyst, manufacturing method thereof, and fuel cell
The carrier metal catalyst achieves suppression of internal resistance of a fuel cell. A carrier metal catalyst includes: a carrier powder; and metal fine particles supported on the carrier powder; wherein: the carrier powder is an aggregates of carrier fine particles; the carrier fine particles includes a chained portion structured by a plurality of crystallites being fusion bonded to form a chain; the carrier fine particles include titanium oxide; the carrier fine particles are doped with an element having a valence different from a valence of titanium; the titanium oxide of the carrier powder has an anatase phase/rutile phase ratio of 0.2 or lower; the metal fine particles have a mean particle size of 3 to 10 nm; the metal fine particles include platinum; and a cell resistance measured under standard conditions of a fuel cell prepared using the carrier metal catalyst is 0.090 Ωcm·2 or lower.
US11990626B2 Catalyst
Catalyst comprising an Ir layer having an outer layer with a layer comprising Pt directly thereon, wherein the Ir layer has an average thickness in a range from 0.04 to 30 nanometers, wherein the layer comprising Pt has an average thickness in a range from 0.04 to 50 nanometers, and wherein the Pt and Ir are present in an atomic ratio in a range from 0.01:1 to 10:1. Catalysts described herein are useful, for example, in fuel cell membrane electrode assemblies.
US11990625B2 Electrode catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell
An electrode catalyst layer includes a catalyst material, a conductive carrier, which supports the catalyst material, a polymer electrolyte, and a fibrous material. The electrode catalyst layer includes a three-dimensional network of a flow path. The flow path includes a plurality of terminal points and a plurality of branches. Each of the branches is an elongated hole connecting a pair of the terminal points. The plurality of branches include a bifurcated branch. One of the pair of the terminal points of the bifurcated branch is connected to another branch. The number of branches per unit volume of the electrode catalyst layer is 8500 or more and 13000 or less. The unit volume is defined as 3.9 μm×3.9 μm×4.4 μm.
US11990619B2 Coated cathode active material, method for producing coated cathode active material, and all solid state battery
A main object of the present disclosure is to provide a cathode active material capable of suppressing the reaction with a solid electrolyte. The present disclosure achieves the object by providing a coated cathode active material comprising: a cathode active material, and a coating portion coating at least a part of a surface of the cathode active material, and the coating portion includes a scandium lithium phosphate based compound or a lithium borate based compound.
US11990616B2 Positive electrode active material for lithium secondary battery and lithium secondary battery including the same
The present invention relates to a positive electrode active material for a lithium secondary battery and a lithium secondary battery including the same. The positive electrode active material according to the present invention reduces the specific surface area and grain boundary of a secondary particle in which a side reaction with an electrolyte solution occurs to improve the high-temperature stability of the positive electrode active material and reduce gas generation caused by the positive electrode active material.
US11990613B2 Electrochemical storage incorporating size- and morphology-controlled metastable vanadium pentoxide as a cathode material for ion batteries
The Li-ion paradigm of battery technology is fundamentally constrained by the monovalency of the Li-ion. A straightforward solution is to transition to multivalent ion chemistries, with Mg2+ the most obvious candidate due to considerations of size and mass. Despite early interest, the realization of Mg batteries has faced myriad obstacles, including a sparse selection of cathode materials demonstrating the ability to reversibly insert divalent ions. Disclosed herein is evidence of reversible topochemical and electrochemical insertion of Mg2+ into a metastable one-dimensional polymorph of V2O5. Not only does ζ-V2O5 represent a rare addition to the pantheon of functional Mg battery cathode materials, but is also distinctive in exhibiting a combination of high stability, high specific capacity due to ion insertion, and moderately high operating voltage.
US11990612B2 Protected zinc metal electrodes and methods for rechargeable zinc cells and batteries
A protected zinc electrode, rechargeable cell, and methods of fabricating and operating the protected zinc electrode are provided. The protected zinc electrode includes a zinc electrode including an electrode active material including bulk zinc metal. The protected zinc electrode also includes a protective structure in physical continuity with the bulk zinc metal. The protective structure includes one or more layers. Each layer includes a solid-electrolyte component forming a continuous Zn2+ ion-conducting network throughout the layer.
US11990611B2 Method for producing active material
A main object of the present disclosure is to provide a method for producing an active material wherein a volume variation due to charge/discharge is reduced. The present disclosure achieves the object by providing a method for producing an active material, the method comprising steps of: a preparing step of preparing a LiSi precursor including a Si element and a Li element, and a void forming step of forming a void by extracting the Li element from the LiSi precursor by using a Li extracting solvent, and the LiSi precursor includes a crystal phase of Li22Si5.
US11990609B2 Solution-deposited electrode coatings for thermal runaway mitigation in rechargeable batteries
Provided herein are battery cells comprising artificial solid-electrolyte interphase (SEI) layers used as protective coatings on electrodes. The SEI layers are produced by liquid-phase deposition (LDP). The battery cell may comprise an anode, a cathode, an electrolyte disposed between the anode and the cathode, a polymer separator disposed between the anode and the cathode, and a casing containing the anode, the cathode, the electrolyte, and the polymer separator, wherein at least one or the anode or cathode comprises an SEI layer produced by an LDP method.
US11990606B2 Negative electrode active material for non-aqueous electrolyte secondary batteries
A negative electrode active material for non-aqueous electrolyte secondary batteries, including: lithium silicate composite particles including a lithium silicate phase and silicon particles dispersed in the lithium silicate phase, the lithium silicate phase being an oxide phase including Li, Si, O, and M, where M is an element other than the following elements: Group 1 elements of alkali metals, Group 16 elements of oxygen group, Group 18 elements of rare gas, and Si. An amount of each element relative to a total amount of Li, Si and M in the lithium silicate phase is 3 to 55 mol % for Li, 25 mol % or more for Si, and 3 to 50 mol % for M. A carbon material is present inside the lithium silicate composite particles; and an area ratio of the carbon material occupying a cross section of the composite particles is 0.008 to 6%.
US11990601B2 Dual function current collector
A battery can include a separator, a first current collector, a protective layer, and a first electrode. The first current collector and the protective layer can be disposed on one side of the separator. The first electrode can be disposed on an opposite side of the separator as the first current collector and the protective layer. Subjecting the battery to an activation process can cause metal to be extracted from the first electrode and deposited between the first current collector and the protective layer. The metal can be deposited to at least form a second electrode between the first current collector and the protective layer.
US11990600B2 Electrode blanks for use in electrochemical devices
Fabricating the electrode blank includes baking a blank precursor. The blank precursor contains the components of an electrode active medium including an active material. Fabricating the electrode blank also includes performing one or more post-bake calender operations on the blank precursor after baking the blank precursor. Each post-bake calender operation includes calendering the blank precursor.
US11990595B2 High efficiency cold plate
Systems and methods are provided for a high efficiency cold plate system. A high efficiency cold plate system may include an interior surface. A heat source may be configured adjacent to a lower portion of the interior surface. The interior surface may enclose an interior region. The interior surface may also include members extending across the interior surface. The members may be separated by an orifice. The members and interior surface may defined an inlet region and an outlet region. The inlet and outlet regions may be fluidly joined by an orifice separating the members extending across the interior surface. The members may be angled relative to a lower portion of the interior surface. Angling the members may allow the system to constrain and direct fluid flowing through the system to achieve efficient cooling.
US11990590B2 Battery management apparatus and method
A battery management apparatus and method according to an embodiment of the present disclosure is directed to obtaining a positive electrode profile and a negative electrode profile for a battery cell in a non-destructive manner by appropriately adjusting a preset negative electrode profile. According to one aspect of the present disclosure, by using the battery profile and the adjusted negative electrode profile for the degraded battery cell, there is an advantage that the positive electrode profile of the degraded battery cell may be easily estimated in a non-destructive manner.
US11990587B2 Stack for an energy storage device
A method comprises obtaining a stack for an energy storage device, the stack comprising a substrate, a first electrode layer, a second electrode layer, and an electrolyte layer between the first electrode layer and the second electrode layer. The method comprises laser ablating the stack to form a plurality of first grooves in the stack, each of the plurality of first grooves being through the first electrode layer and the electrolyte layer. The method comprises forming, in or on the stack, at least one registration feature, different from each of the plurality of first grooves. An apparatus and a stack for an energy storage device is also disclosed.
US11990580B2 Apparatus for manufacturing battery cell
An apparatus for manufacturing a battery cell by stacking a negative electrode, a separator, and a positive electrode includes, a loading unit of loading the negative electrode, separator, and positive electrode, a negative electrode stacking unit disposed adjacent to the loading unit, and configured to cut a negative electrode material unwound from a negative electrode roll to a preset length and stack the cut negative electrode material on the loading unit, a separator stacking unit disposed adjacent to the loading unit, and configured to cut a separator material unwound from a separator roll to a preset length and to stack the cut separator material on the loading unit, and a positive electrode stacking unit disposed adjacent to the stacking unit, and configured to cut a positive electrode material unwound from a positive electrode roll to a preset length and stack the cut positive electrode material on the loading unit.
US11990574B2 Method for producing optoelectronic semiconductor devices and optoelectronic semiconductor device
In an embodiment, a method for producing optoelectronic semiconductor devices includes applying a temporal spacer to protect a light-exit face of an optoelectronic semiconductor chip by applying a photoresist onto a first carrier, subsequently developing the photoresist in places thereby forming the temporal spacer and subsequently mounting the optoelectronic semiconductor chip onto a side of the temporal spacer facing away from the first carrier, forming a reflector in a lateral direction directly around the optoelectronic semiconductor chip and around the temporal spacer, subsequently removing the temporal spacer so that the reflector extends beyond the light-exit face and applying an optical element onto the reflector so that a gap exists between the light-exit face and a light-entrance face of the optical element.
US11990568B2 Light emitting device, display device comprising same, and method for manufacturing display device
A light emitting device, a display device including a light emitting device, and a method of manufacturing a display device are provided. A light emitting device may include a substrate, and a plurality of light emitting element layers stacked on the substrate. Each of the light emitting element layers may include an insulating layer entirely disposed on the substrate, a first electrode and a second electrode disposed on the insulating layer and spaced apart from each other, and a plurality of light emitting elements disposed between the first electrode and the second electrode.
US11990563B2 Nanorod light emitting device, method of manufacturing the same, and display apparatus including the same
A nanorod light emitting device, a method of manufacturing the same, and a display apparatus including the nanorod light emitting device are provided. The nanorod light emitting device includes a first semiconductor layer doped with a first conductivity type, a light emitting layer disposed on the first semiconductor layer, and a second semiconductor layer disposed on the light emitting layer and doped with a second conductivity type that is electrically opposite to the first conductivity type, wherein a distance between a lower surface of the first semiconductor layer and an upper surface of the second semiconductor layer is in a range of about 2 μm to about 10 μm, wherein a difference between a diameter of the upper surface of the second semiconductor layer and the lower surface of the first semiconductor layer is 10% or less of a diameter of the upper surface of the second semiconductor layer.
US11990562B1 Ultraviolet light-emitting devices having enhanced light output
In various embodiments, device structures configured to emit ultraviolet light have lateral surfaces that form angles to the substrate normal of approximately the Brewster angle corresponding to the light-emitting portion of the device structure. The device structures may include one or more mesas disposed over a shared substrate or handle wafer.
US11990561B2 Nitride-based semiconductor light-emitting element and manufacturing method thereof
A nitride-based semiconductor light-emitting element includes: a substrate that is an example of a n-type nitride-based semiconductor including a group IV n-type impurity; and an n-side electrode in contact with the substrate. The substrate includes: a surface layer region in contact with the n-side electrode and including a halogen element; and an internal region located across the surface layer region from the n-side electrode. A peak concentration of the group IV n-type impurity in the surface layer region is at least 1.0×1021 cm−3. A peak concentration of the halogen element in the surface layer region is at least 10% of the peak concentration of the group IV n-type impurity in the surface layer region. A concentration of the group IV n-type impurity in the internal region is lower than a concentration of the group IV n-type impurity in the surface layer region.
US11990556B2 Photonic mixer device
A photonic mixer device for multiplying an impinging optical signal with a reference electrical signal includes: a semiconductor substrate of a first conductivity type; two detector regions of a second conductivity type different from the first conductivity type; two biasing regions of the first conductivity type with a higher dopant concentration than the dopant concentration of the semiconductor substrate, each biasing region positioned near one of the respective detector regions, wherein an electrical field can be formed in the semiconductor substrate by applying a voltage bias between the biasing regions; two bias electrodes, which are isolated from the substrate and the biasing regions, wherein each bias electrode is only locally, partially or completely, covering an outer edge of one of the respective biasing regions.
US11990550B2 Semiconductor structure with source/drain multi-layer structure and method for forming the same
A semiconductor structure and a method for forming the same are provided. The semiconductor structure includes a gate structure formed over a fin structure, and a source/drain (S/D) epitaxial layer formed in the fin structure and adjacent to the gate structure. The semiconductor structure also includes a S/D silicide layer formed on the S/D epitaxial layer, and the S/D silicide layer has a first width, the S/D epitaxial layer has a second width, and the first width is smaller than the second width. The semiconductor structure includes a dielectric spacer between the gate structure and the S/D silicide layer, and a top surface of the dielectric spacer is lower than a top surface of the gate structure.
US11990546B2 Semiconductor device
A semiconductor device includes a semiconductor substrate, a gate structure, a source region, a drain region, a first oxide layer, a field plate, and a second oxide layer. The gate structure is disposed on the semiconductor substrate. The source region and the drain region are disposed in the semiconductor substrate and located at two opposite sides of the gate structure respectively. The first oxide layer includes a first portion disposed between the gate structure and the semiconductor substrate and a second portion disposed between the gate structure and the drain region. The field plate is partly disposed above the gate structure and partly disposed above the second portion of the first oxide layer. The second oxide layer includes a first portion disposed between the field plate and the gate structure and a second portion disposed between the field plate and the second portion of the first oxide layer.
US11990544B2 Semiconductor device
A semiconductor device according to an embodiment includes: a first electrode; and a substrate including a first surface in contact with the first electrode and a second surface provided opposite to the first surface, the first surface including a first groove including a first length and a second length shorter than the first length, the first length in a first direction parallel to the first surface, the second length in a second direction parallel to the first surface, the second direction intersecting with the first direction, wherein the substrate includes a semiconductor layer having first conductive type, a first semiconductor region provided between the semiconductor layer and the second surface, the first semiconductor region having second conductive type, a second semiconductor region provided between the first semiconductor region and the second surface, the second semiconductor region having first conductive type higher than an impurity concentration of the semiconductor layer, and a second electrode provided in a first trench, the second electrode being provided opposite to the first semiconductor region via a first insulating film, the first trench reaching the semiconductor layer from the second surface, the first trench extending in the second direction.
US11990543B2 Power transistor with soft recovery body diode
A semiconductor device includes a vertical transistor and a body diode. Various improvements to the semiconductor device allow for improved performance of the body diode, in particular to reduced snappiness and increased softness.
US11990538B2 IGBT device
Provided is an insulated gate bipolar transistor (IGBT) device. The IGBT device includes p-type body regions located on a top of an n-type drift region, a first n-type emitter region located within the p-type body region; a first gate structure located over the p-type body region, where the first gate structure includes a first gate dielectric layer, a first gate and an n-type floating gate which are located above the first gate dielectric layer, where the n-type floating gate is located on a side close to the n-type drift region in a lateral direction; an insulating dielectric layer located between the n-type floating gate and the first gate; and one opening in the first gate dielectric layer. The n-type floating gate is in contact with the p-type body region to form a p-n junction diode through the one opening.
US11990537B2 Heterojunction bipolar transistor and power amplifier
A heterojunction bipolar transistor includes: a substrate; a base mesa disposed on the substrate, wherein the base mesa includes a collector layer and a base layer disposed on the collector layer, and wherein in a top view, the base layer includes a first edge and a second edge opposite to the first edge; an emitter layer disposed on the base layer; a base electrode disposed on the substrate and connected to the base layer; a dielectric layer disposed on the base electrode, wherein a first via hole is formed in the dielectric layer at the first edge of the base layer, and a second via hole is formed in the dielectric layer at the second edge of the base layer; and a conductive feature disposed on the dielectric layer, wherein the conductive feature is connected to the base electrode through the first via hole and the second via hole.
US11990534B2 Semiconductor device
A semiconductor device including a well region in a substrate, an impurity region in the well region, a first active fin on the impurity region, a second active fin on the well region, and a connection pattern penetrating the second active fin and connected to the well region may be provided. The substrate and the impurity region include impurities having a first conductivity type. The well region includes impurities having a second conductivity type different from the first conductivity type. The first active fin includes a plurality of first semiconductor patterns that are spaced apart from each other in a direction perpendicular to a top surface of the substrate. The first semiconductor patterns and the impurity region include impurities having the first conductivity type.
US11990532B2 Method of forming transistor
According to another embodiment, a method of forming a transistor is provided. The method includes the following operations: providing a substrate; providing a source over the substrate; providing a channel connected to the source; providing a drain connected to the channel; providing a gate insulator adjacent to the channel; providing a gate adjacent to the gate insulator; providing a first interlayer dielectric between the source and the gate; and providing a second interlayer dielectric between the drain and the gate, wherein at least one of the formation of the source, the drain, and the channel includes about 20-95 atomic percent of Sn.
US11990528B2 Assemblies having conductive structures with three or more different materials
Some embodiments include a memory array having a vertical stack of alternating insulative levels and control gate levels. Channel material extends vertically along the stack. The control gate levels comprising conductive regions. The conductive regions include at least three different materials. Charge-storage regions are adjacent the control gate levels. Charge-blocking regions are between the charge-storage regions and the conductive regions.
US11990527B2 Semiconductor device and method of manufacturing the same
A semiconductor device includes an n− type layer on a first surface of the substrate, a p type region on a part of the n− type layer, a gate on the n− type layer and the p type region, a first gate protection layer on the gate and a second gate protection layer on the first gate protection layer, a source on the second gate protection layer and the p type region, and a drain on the second surface of the substrate.
US11990523B2 Shield gate trench MOSFET device and method for making the same
The present application provides an SGT MOSFET device, a gate structure of which is a left-right structure, wherein a second field plate conductive material layer with a depth greater than that of a gate conductive material layer is formed between a source conductive material layer and the gate conductive material layer. When the device is reversely biased, depletion capability with respect to the drift region at a side close to a channel region is enhanced due to the feature that a spacing between the second field plate conductive material layer and the drift region is less than a spacing between the source conductive material layer and the drift region. The present application further provides a method for manufacturing an SGT MOSFET device.
US11990520B2 Method of manufacturing a semiconductor device having frame structures laterally surrounding backside metal structures
A method of manufacturing a semiconductor device includes: providing a silicon carbide substrate that includes device regions and a grid-shaped kerf region laterally separating the device regions; forming a mold structure on a backside surface of the grid-shaped kerf region; forming backside metal structures on a backside surface of the device regions; and separating the device regions, wherein parts of the mold structure form frame structures laterally surrounding the backside metal structures.
US11990518B2 Semiconductor device and fabricating method thereof
The present disclosure provides a semiconductor device and a fabricating method thereof, the semiconductor device including a substrate, a nucleation layer, a buffer layer, an active layer and a gate electrode. The nucleation layer is disposed on the substrate, and the buffer layer is disposed on the nucleation layer, wherein the buffer layer includes a first superlattice layer having at least two heteromaterials alternately arranged in a horizontal direction, and a second superlattice layer having at least two heteromaterials vertically stacked along a vertical direction. The at least two heteromaterials stack at least once within the second superlattice layer. The active layer is disposed on the buffer layer, and the gate electrode is disposed on the active layer.
US11990517B2 Electronic device and method of manufacturing the same
An electronic device is disclosed. The electronic device includes: a first electrode disposed on a substrate and extending in a first direction; a second electrode disposed above the first electrode and extending in a second direction intersecting the first direction; and at least one switching particle disposed between the first electrode and the second electrode and bonded to the first electrode and the second electrode via van der Waals bond, wherein the switching particle controls flow of current between the first electrode and the second electrode, based on a difference of voltages of the first electrode and the second electrode applied thereto.
US11990510B2 Semiconductor device and manufacturing method thereof
A semiconductor device, includes a channel region, and a source/drain region adjacent to the channel region. The source/drain region includes a first epitaxial layer, a second epitaxial layer epitaxially formed on the first epitaxial layer and a third epitaxial layer epitaxially formed on the second epitaxial layer, and the first epitaxial layer is made of SiAs.
US11990509B2 Semiconductor devices having gate structures with slanted sidewalls
In an embodiment, a structure includes: a nano-structure; an epitaxial source/drain region adjacent the nano-structure; a gate dielectric wrapped around the nano-structure; a gate electrode over the gate dielectric, the gate electrode having an upper portion and a lower portion, a first width of the upper portion increasing continually in a first direction extending away from a top surface of the nano-structure, a second width of the lower portion being constant along the first direction; and a gate spacer between the gate dielectric and the epitaxial source/drain region.
US11990505B2 Transient-voltage-suppression protection device, manufacturing process and electronic product
A transient-voltage-suppression protection device and a manufacturing process therefor, and an electronic product. The transient-voltage-suppression protection device includes a substrate, a first trap, a second trap, a first injection region, and a second injection region, where the first trap and the second trap are sequentially arranged on the substrate from left to right at an interval, have a same doping type that is opposite to a doping type of the substrate, and are respectively provided with the first injection region and the second injection region with opposite doping types. The electronic product includes the transient-voltage-suppression protection device. In the solutions described, protection can be triggered and started at a lower voltage; the capacitance is small, and the manufacturing process is simple.
US11990502B2 Display device and electronic device
To provide a display device capable of performing image processing. Each pixel is provided with a memory circuit in which desired correction data is retained. The correction data is generated by calculation in an external device and written to each pixel. The correction data is added to image data by capacitive coupling and supplied to a display element. Thus, the display element can display a corrected image. Through the correction, image upconversion can be performed, or image quality decreased because of variations in pixel transistor characteristics can be corrected.
US11990495B2 Image capturing unit and method for manufacturing the same
An image capturing unit includes a plurality of input wiring lines for controlling the semiconductor chip, a plurality of first electrodes connecting to the input wiring lines, and an input connector connecting to the input wiring lines. The substrate includes a first area for mounting an electronic component in an opposite surface on which the semiconductor chip is mounted and a second area for use in mounting the semiconductor chip. The connector is disposed in the first area. At least one or more of the first electrodes are disposed in the second area.
US11990488B2 Grid structure with at least partially angled sidewalls
A grid structure in a pixel array may be at least partially angled or tapered toward a top surface of the grid structure such that the width of the grid structure approaches a near-zero width near the top surface of the grid structure. This permits the spacing between color filter regions in between the grid structure to approach a near-zero spacing near the top surfaces of the color filter regions. The tight spacing of color filter regions provided by the angled or tapered grid structure provides a greater surface area and volume for incident light collection in the color filter regions. Moreover, the width of the grid structure may increase at least partially toward a bottom surface of the grid structure such that the wider dimension of the grid structure near the bottom surface of the grid structure provides optical crosstalk protection for the pixel sensors in the pixel array.
US11990467B2 Low capacitance bidirectional transient voltage suppressor
A bidirectional transient voltage suppressor (TVS) protection circuit includes two sets of steering diodes, a clamp circuit including an MOS transistor integrated with a silicon controlled rectifier (SCR) and a trigger circuit. In response to a voltage applied to one of the protected nodes exceeding a first voltage level, the trigger circuit drives the MOS transistor to cause a current flow at the SCR to trigger an SCR action and the SCR clamps the voltage at the respective protected node at a clamping voltage. In other embodiments, a bidirectional transient voltage suppressor (TVS) protection circuit includes two sets of steering diodes with a clamp device merged with a steering diode in each set. In some embodiments, the TVS protection circuit realizes low capacitance at the protected nodes by fully or almost completely depleting the P-N junction connected to the protected nodes in the operating voltage range.
US11990465B2 Semiconductor device
A first ESD protection circuit is provided between a first high-potential side power supply and a first low-potential side power supply of a first power supply system and a second ESD protection circuit is provided between a second high-potential side power supply and a second low-potential side power supply of a second power supply system. A coupling circuit includes a bidirectional diode and couples the first and second low-potential side power supplies. A first transistor is composed of an n-channel MOS transistor, has a drain coupled to the first high-potential side power supply of the first power supply system, and has a back gate coupled to the second low-potential side power supply of the second power supply system. A resistor element is inserted in series between the drain of the first transistor and the first high-potential side power supply.
US11990449B2 Dual RDL stacked die package using vertical wire
Embodiments include a semiconductor package, a package on package system, and a method of forming the semiconductor package. The semiconductor package includes a first redistribution layer, a stack of dies on the first redistribution layer, a second redistribution layer over the stack of dies and the first redistribution layer, and a plurality of interconnects coupled to the stack of dies and the first and second redistribution layers. The interconnects may extend substantially vertical from a top surface of the first redistribution layer to a bottom surface of the second redistribution layer. The semiconductor package may also include a mold layer between the first redistribution layer and the second redistribution layer. The plurality of interconnects may be through mold vertical wire interconnects. The first and second redistribution layers may be dual-sided redistribution layers. The semiconductor package may further include adhesive layers coupled to the stack of dies.
US11990446B2 Semiconductor assemblies with redistribution structures for die stack signal routing
Semiconductor devices having redistribution structures, and associated systems and methods, are disclosed herein. In some embodiments, a semiconductor assembly comprises a die stack including a plurality of semiconductor dies, and a routing substrate mounted on the die stack. The routing substrate includes an upper surface having a redistribution structure. The semiconductor assembly also includes a plurality of electrical connectors coupling the redistribution structure to at least some of the semiconductor dies. The semiconductor assembly further includes a controller die mounted on the routing substrate. The controller die includes an active surface that faces the upper surface of the routing substrate and is electrically coupled to the redistribution structure, such that the routing substrate and the semiconductor dies are electrically coupled to the controller die via the redistribution structure.
US11990445B2 Apparatus and method for semiconductor device bonding
An apparatus and method for semiconductor device (such as semiconductor die or die) bonding. The apparatus has a bonding assembly with a bonding head having a bonding tool for holding a semiconductor device; and a bonding head actuation mechanism for actuating the bonding tool horizontally planarly to align the semiconductor device relative to a bonding location of a substrate while the semiconductor device remains above the bonding location. The bonding assembly has a bonding assembly actuator for actuating the bonding head vertically to pick the semiconductor device and to bond the semiconductor device at the bonding location. The apparatus has a vision assembly with alignment cameras for capturing reference views of the semiconductor device and bonding location for aligning the semiconductor device relative to the bonding location, and a vision assembly actuation mechanism for actuating the alignment cameras to position the alignment cameras between the bonding tool and bonding location.
US11990439B2 Semiconductor package including under bump metallization pad
A semiconductor package including a semiconductor chip; a lower redistribution layer on a lower surface of the semiconductor chip; a lower passivation layer on a lower surface of the lower redistribution layer; a UBM pad on the lower passivation layer and including an upper pad and a lower pad connected to the upper pad, the upper pad having a greater horizontal length at an upper surface thereof than a horizontal length at a lower surface thereof; a seed layer between the lower passivation layer and the UBM pad; and an external connecting terminal on a lower surface of the UBM pad, wherein the seed layer includes a first seed part covering a side surface of the upper pad, a second seed part covering a portion of the lower surface of the upper pad, and a third seed part covering a portion of a side surface of the lower pad.
US11990437B2 System and method for forming solder bumps
In an embodiment, a method for forming a solder bump includes preparing a transfer mold having a solder pillar extending from a mold substrate and through a first photoresist layer and having a shape partially defined by a second photoresist layer that is removed prior to transfer of the solder. In an embodiment, the mold substrate is flexible. In an embodiment, the transfer mold is flexible. In an embodiment, the method includes providing a device substrate having a wettable pad. In an embodiment, the method includes placing the transfer mold and the device substrate into aligned contact such that the solder pillar is in contact with the wettable pad. In an embodiment, the method includes forming a metallic bond between the solder pillar and the wettable pad. In an embodiment, the method includes removing the mold substrate and first photoresist layer.
US11990436B2 Electronic circuit for a hybrid molecular bonding
An electronic circuit including a surface intended to be attached to another electronic circuit by hybrid molecular bonding. The electronic circuit includes an electrically-insulating layer exposed on the surface, and, distributed in the electrically-insulating layer, first electrically-conductive bonding pads exposed on a first portion of the surface, the density of the first bonding pads on the first portion of the surface being smaller than 30%, and at least one electrically-conductive test pad, exposed on a second portion of the surface containing a square having a side length greater than 30 μm. The density of electrically-conductive material of the test pad exposed on the second portion of the surface is in the range from 40% to 80%.
US11990433B2 Bond pad structure coupled to multiple interconnect conductive\ structures through trench in substrate
In some embodiments, the present disclosure relates to a device that includes an interconnect structure arranged on a frontside of a substrate. The interconnect structure includes interconnect conductive structures embedded within interconnect dielectric layers. A trench extends completely through the substrate to expose multiples ones of the interconnect conductive structures. A bond pad structure is arranged on a backside of the substrate and extends through the trench of the substrate to contact the multiple ones of the interconnect conductive structures. A bonding structure is arranged on the backside of the substrate and electrically contacts the bond pad structure.
US11990424B2 Selective EMI shielding using preformed mask
A semiconductor package has a substrate, a first component disposed over the substrate, an encapsulant deposited over the first component, and a second component disposed over the substrate outside the encapsulant. A metal mask is disposed over the second component. A shielding layer is formed over the semiconductor package. The metal mask after forming the shielding layer. The shielding layer is optionally formed on a contact pad of the substrate while a conic area above the contact pad that extends 40 degrees from vertical remains free of the encapsulant and metal mask while forming the shielding layer. Surfaces of the metal mask and encapsulant oriented toward the contact pad can be sloped. The metal mask can be disposed and removed using a pick-and-place machine.
US11990423B2 Magnetic shielding material with insulator-coated ferromagnetic particles
A non-conductive magnetic shield material is provided for use in magnetic shields of semiconductor packaging. The material is made magnetic by the incorporation of ferromagnetic particles into a polymer matrix, and is made non-conductive by the provision of an insulating coating on the ferromagnetic particles.
US11990422B2 Ferrite electro-magnetic interference (EMI) shield between an integrated-circuit (IC) chip and an air-core inductor all inside a hybrid lead-frame package
An Integrated Circuit (IC) package has a ferrite-dielectric shield between a planar inductor coil and a semiconductor chip. The shield blocks Electro-Magnetic Interference (EMI) generated by currents in the inductor coil from reaching the semiconductor chip. The shield has a ferrite layer surrounded by upper and lower dielectric laminate layers to prevent electrical shorts. The center end of the inductor coil connects to the semiconductor chip through a center post that fits through an opening in the shield that is over the air core center of the inductor coil. The center post can connect to a die attach pad that the semiconductor chip is mounted to. Bonding wires connect pads on the semiconductor chip to lead-frame pads on lead-frame risers that end at external package connectors. The outer end of the inductor coil connects to lead-frame outer risers also having external package connectors such as pins or bonding balls.
US11990421B2 Semiconductor device with compartment shield formed from metal bars and manufacturing method thereof
A semiconductor device has a substrate and first and second electrical component disposed over the substrate. A first metal bar is disposed over the substrate between the first electrical component and second electrical component. The first metal bar is formed by disposing a mask over a carrier. An opening is formed in the mask and a metal layer is sputtered over the mask. The mask is removed to leave the metal layer within the opening as the first metal bar. The first metal bar can be stored in a tape-and-reel.
US11990419B2 Physically unclonable function circuitry of a package substrate and method of providing same
Techniques and mechanisms for providing physically unclonable function (PUF) circuitry at a substrate which supports coupling to an integrated circuit (IC) chip. In an embodiment, the substrate comprises an array of electrodes which extend in a level of metallization at a side of the insulator layer. A cap layer, disposed on the array, is in contact with the electrodes and with a portion of the insulator layer which is between the electrodes. A material of the cap layer has a different composition or microstructure than the metallization. Regions of the cap layer variously provide respective impedances each between a corresponding two electrodes. In other embodiments, the substrate includes (or couples to) integrated circuitry that is operable to determine security information based on the detection of one or more such impedances.
US11990413B2 Three-dimensional memory device including aluminum alloy word lines and method of making the same
A three-dimensional memory device includes an alternating stack of insulating layers and electrically conductive layers. The electrically conductive layers include an intermetallic alloy of aluminum and at least one metal other than aluminum. Memory openings vertically extend through the alternating stack. Memory opening fill structures are located in a respective one of the memory openings and include a respective vertical semiconductor channel and a respective vertical stack of memory elements.
US11990412B2 Buried power rails located in a base layer including first, second, and third etch stop layers
Integrated chips and methods of forming the same include forming a stack of layers, including a device stack above a first sacrificial layer, above a substrate. The first sacrificial layer is replaced with a first etch stop layer. The substrate is removed, exposing a substrate-side of the stack of layers. The substrate-side of the stack of layers is etched to form a trench, stopping on the first etch stop layer. A conductive line is formed in the trench.
US11990407B2 Semiconductor device and wiring structure
A semiconductor device includes first and second wiring layers, and first and second via plugs. The first wiring layer has parallel tracks along which wirings are laid out, the tracks including first and second outer tracks and an inner track between the first and second outer tracks, the wirings including a first line laid out along the first outer track and having an end portion that is laid out along the first outer track, and a second line laid out along the inner track and having an end portion that is laid out along the first outer track. The first via plug is in contact with the end portion of the first line and extends between the first and second wiring layers, and the second via plug is in contact with the end portion of the second line and extends between the first and second wiring layers.
US11990405B2 Semiconductor arrangement and method for producing a semiconductor arrangement
A method for producing a semiconductor arrangement includes applying a metallization layer on an upper main side of a lower semiconductor chip, structuring the metallization layer, and fastening an upper semiconductor chip on the upper main side of the lower semiconductor chip by a bonding material, wherein the metallization layer is structured such that the metallization layer has an increased roughness along a contour of the upper semiconductor chip in comparison with the rest of the metallization layer, wherein wetting of the upper main side of the lower semiconductor chip by the bonding material is limited by a structure in the metallization layer to a region below the upper semiconductor chip.
US11990404B2 Heat dissipation for semiconductor devices and methods of manufacture
Semiconductor devices having improved heat dissipation and methods of forming the same are disclosed. In an embodiment, a device includes a first transistor structure; a front-side interconnect structure on a front-side of the first transistor structure, the front-side interconnect structure including front-side conductive lines; a backside interconnect structure on a backside of the first transistor structure, the backside interconnect structure including backside conductive lines, the backside conductive lines having line widths greater than line widths of the front-side conductive lines; and a first heat dissipation substrate coupled to the backside interconnect structure.
US11990403B2 Dielectric helmet-based approaches for back end of line (BEOL) interconnect fabrication and structures resulting therefrom
Dielectric helmet-based approaches for back end of line (BEOL) interconnect fabrication, and the resulting structures, are described. In an example, a semiconductor structure includes a substrate. A plurality of alternating first and second conductive line types is disposed along a same direction of a back end of line (BEOL) metallization layer disposed in an inter-layer dielectric (ILD) layer disposed above the substrate. A dielectric layer is disposed on an uppermost surface of the first conductive line types but not along sidewalls of the first conductive line types, and is disposed along sidewalls of the second conductive line types but not on an uppermost surface of the second conductive line types.
US11990399B2 Device with dummy metallic traces
An electronic device includes a substrate having a surface, functional metallic traces on a first portion of the surface that are electrically connected to carry current in the electronic device and have a first density, and dummy metallic traces on a second portion of the surface that are electrically isolated from the functional metallic traces and have a second density that is within at least 50% of the first density.
US11990394B2 Semiconductor package and a method for manufacturing of a semiconductor package
A semiconductor package including a lead frame, an Ag plated surface positioned on the lead frame, an adhesion promotion layer positioned on the top of the Ag plated surface, and mold body covering the top of the lead frame is provided. The Ag plated surface covers a significant part of an interconnection area of the lead frame surface, and the Ag plating surface does not exceed the area of the mold body.
US11990390B2 Semiconductor structure
A semiconductor structure is provided, including: a substrate and a dielectric layer arranged on the substrate; a conductive plug, wherein a first part of the conductive plug is arranged in the substrate, and a second part of the conductive plug is arranged in the dielectric layer; and an isolation ring structure at least surrounding the second part of the conductive plug.
US11990389B2 Semiconductor package including embedded cooling structure
A semiconductor package includes an interposer, an electronic device having a first side surface and a second side surface opposite to the first side surface, and including a plurality of memory dies stacked in a vertical direction, at least one first through pipe passing through the electronic device in the vertical direction adjacent to the first side surface, and moving a cooling liquid therein, and a plurality of thermal transmission lines extending in a horizontal direction inside the memory die, and extending in parallel from the first through pipe toward the second side surface.
US11990388B2 Pump-motor assembly for an energy storage system
In one aspect, a pump-motor assembly is provided outside of and adjacent to a storage container that stores a back-up energy storage unit. The pump-motor assembly includes a pump-motor that maintains a minimum pressure of a liquid coolant in a liquid coolant system that cools the back-up energy storage unit, and a housing that is completely enclosed, the housing containing the pump-motor, and having a removable access panel on one side thereof the enclosed structure, and an opening on another side thereof to the storage container.
US11990385B2 Electronic device
An electronic device is provided. The electronic device includes an electronic component and a heat dissipation structure. The electronic component has a passive surface and a plurality of conductive vias exposed from the passive surface. The heat dissipation structure is disposed on the passive surface and configured to transmit a plurality of independent powers to the conductive vias through the passive surface.
US11990383B2 Package structure having at least one die with a plurality of taper-shaped die connectors
A conductive structure, includes: a plurality of conductive layers; a plurality of conductive pillars being formed on the plurality of conductive layers, respectively; and a molding compound laterally coating the plurality of conductive pillars. Each of the plurality of conductive pillars is a taper-shaped conductive pillar, and is tapered from the conductive layers.
US11990382B2 Fine pitch BVA using reconstituted wafer with area array accessible for testing
A microelectronic assembly having a first side and a second side opposite therefrom is disclosed. The microelectronic assembly may include a microelectronic element having a first face, a second face opposite the first face, a plurality of sidewalls each extending between the first and second faces, and a plurality of element contacts. The microelectronic assembly may also include an encapsulation adjacent the sidewalls of the microelectronic element. The microelectronic assembly may include electrically conductive connector elements each having a first end, a second end remote from the first end, and an edge surface extending between the first and second ends, wherein one of the first end or the second end of each connector element is adjacent the first side of the package. The microelectronic assembly may include a redistribution structure having terminals, the redistribution structure adjacent the second side of the package, the terminals being electrically coupled with the connector elements.
US11990380B2 Methods and systems for combining x-ray metrology data sets to improve parameter estimation
Methods and systems for measuring a complex semiconductor structure based on measurement data before and after a critical process step are presented. In some embodiments, the measurement is based on x-ray scatterometry measurement data. In one aspect, a measurement is based on fitting combined measurement data to a simplified geometric model of the measured structure. In some embodiments, the combined measurement data is determined by subtraction of a measured diffraction pattern before the critical process step from a measured diffraction pattern after the critical process step. In some embodiments, the simplified geometric model includes only the features affected by the critical process step. In another aspect, a measurement is based on a combined data set and a trained signal response metrology (SRM) model. In another aspect, a measurement is based on actual measurement data after the critical process step and simulated measurement data before the critical process step.
US11990376B2 Selective dual silicide formation
A semiconductor device and a method of making the same are provided. A method according to the present disclosure includes forming a first type epitaxial layer over a second type source/drain feature of a second type transistor, forming a second type epitaxial layer over a first type source/drain feature of a first type transistor, selectively depositing a first metal over the first type epitaxial layer to form a first metal layer while the first metal is substantially not deposited over the second type epitaxial layer over the first type source/drain feature, and depositing a second metal over the first metal layer and the second type epitaxial layer to form a second metal layer.
US11990374B2 Method for forming sidewall spacers and semiconductor devices fabricated thereof
Embodiments of the present disclosure provide a method of forming sidewall spacers by filling a trench between a hybrid fin and a semiconductor fin structure. The sidewall spacer includes two fin sidewall spacer portions connected by a gate sidewall spacer portion. The fin sidewall spacer portion has a substantially uniform profile to provide uniform protection for vertically stacked channel layers and eliminate any gaps and leaks between inner spacers and sidewall spacers.
US11990372B2 Methods of manufacturing semiconductor chip including crack propagation guide
There may be provided a method of manufacturing a semiconductor chip. A layer stack in which first material layers and second material layers are alternately stacked is formed on a semiconductor substrate that includes a chip region and a scribe lane region, and crack propagation guides are formed in a first portion of the layer stack within the scribe lane region.
US11990361B2 Electrostatic chuck, etching apparatus, and method of manufacturing display device
The chuck for supporting a target substrate for a display device, the chuck includes: a base having a first surface to support an object and a second surface opposite the first surface, the first surface including a first area and a second area; and indentations formed in the second area and recessed from the first area in a thickness direction of the base. The indentations include a first indentation extending in a first direction and a second indentation extending in a second direction intersecting the first direction.
US11990360B2 Electrostatic chuck (ESC) pedestal voltage isolation
Various embodiments include an apparatus to retrofit into an electrostatic chuck (ESC) of an existing plasma-based processing system. The apparatus includes a tube adapter portion having a dielectric coating formed on an inner surface of the tube adapter portion to prevent arcing between high voltage electrodes within the tube adapter portion and a main body of the tube adapter portion during an operation of the plasma-based processing system, a number of insulative tubes with the high voltage electrodes to be enclosed therein, and an enlarged gap portion of the tube adapter portion proximate outboard ones of the plurality of insulative tubes to prevent arcing. Other methods of forming the ESC, and related devices, apparatuses, and systems are disclosed.
US11990357B2 Substrate transport apparatus, substrate transport method, and substrate processing system
A substrate transport apparatus which transports a substrate to a substrate transport position. The apparatus comprises: a transport unit including a substrate holder that holds the substrate, a base having magnets and configured to move the substrate holder, and a link member connecting the substrate holder to the base; and a planar motor having a main body, electromagnetic coils arranged in the main body, and a linear driver supplying power to the electromagnetic coils to magnetically levitate and linearly drive the base. The base includes a first member and a second member rotatably provided in the first member, and the magnets are provided inside the first member and the second member, the link member is rotatably connected to the second member, and the linear driver rotates the second member with respect to the first member and expands and contracts the substrate holder via the link member.
US11990345B2 Patterning method and semiconductor structure
Embodiments of the present disclosure provide a patterning method and a semiconductor structure. The method includes: providing a substrate, wherein the substrate includes adjacent storage regions and peripheral circuit regions; forming, on the substrate, a pattern transfer layer, the pattern transfer layer having a plurality of first hard masks, wherein the first hard masks extend along a first direction and are spaced apart from each other; forming a barrier layer on the pattern transfer layer; forming, on the barrier layer, a plurality of second hard masks, the plurality of second hard masks extending along a second direction, wherein the second hard masks are spaced apart from each other, and the second hard masks are located in the storage regions and second hard masks close to the peripheral circuit regions have structural defects.
US11990343B2 Gate metal formation on gallium nitride or aluminum gallium nitride
A method of manufacturing an electrode structure for a device, such as a GaN or AlGaN device is described. In one example, the method includes providing a substrate (212) of GaN or AlGaN with a surface region of the GaN or AlGaN exposed through an opening (216) in a layer of silicon nitride (214) formed on the substrate. The method further includes depositing layers of W (222), in one example, or Ni (220) and W (222), in another example, on the substrate and the layer of silicon nitride using reactive evaporation and photoresist layers (230) having an undercut profile for liftoff. The method further includes removing the photoresist layers having the undercut profile, and depositing layers of WN (224) and Al over the underlying layers of W or Ni and W by sputtering.
US11990338B2 Optoelectronic device including a superlattice
In embodiments, an optoelectronic device comprises a substrate formed of magnesium oxide, and a multi-region stack epitaxially deposited upon the substrate. The multi-region stack may comprise a non-polar crystalline material structure along a growth direction, or may comprise a crystal polarity having an oxygen-polar crystal structure or a metal-polar crystal structure along the growth direction. In some cases, at least one region of the multi-region stack is a bulk semiconductor material comprising Mg(x)Zn(1-x)O. In some cases, at least one region of the multi-region stack is a superlattice comprising MgO and Mg(x)Zn(1-x)O.
US11990329B2 Ion trap
The ion trap comprises a multipole electrode assembly, a first confining electrode, and a second confining electrode. The multipole electrode assembly is configured to confine ions of the first polarity to an ion channel extending in an axial direction of the multipole electrode assembly. The first confining electrode is provided adjacent to the multipole electrode assembly and extends in the axial direction of the multipole electrode assembly. The second confining electrode is provided adjacent to the multipole electrode assembly and extends in the axial direction of the multipole electrode assembly aligned with the first confining electrode. The first and second confining electrodes are spaced apart in the axial direction in order to define an ion confining region of the ion channel between the first and second confining electrodes. The first and second confining electrodes are configured to receive a DC potential of the first polarity to further confine ions within the ion channel in the ion confining region.
US11990328B2 Mass spectrometer
A mass spectrometer 1 includes a vacuum container 5 divided into a first chamber 51 containing an ion trap 3 and a second chamber 52 containing a time-of-flight mass spectrometer 4. The ion trap 3 is held within an ion-trap-holding space 610 surrounded by a wall 61. In this wall 61, a cooling-gas discharge port 64 is formed in addition to an introduction-side ion passage port 62 and an ejection-side ion passage port 63. A cooling gas supplied into an ion-capturing space 315 of the ion trap 3 is discharged from the ion-trap-holding space 610 through the three ports. The provision of the cooling-gas discharge port 64 reduces the amount of cooling gas flowing into the ejection-side ion passage port 63 and interfering with the ejection of ions from the ion trap 3 into the time-of-flight mass spectrometer 4. Consequently, the detection intensity of the ions is improved.
US11990323B2 Focus ring replacement method and plasma processing system
A method performed by a processor of a plasma processing system including a transfer device and a plasma processing apparatus that includes a process chamber. The process chamber includes a mount table on a surface of which a first focus ring is placed. The method includes controlling the transfer device to transfer the first focus ring out of the process chamber without opening the process chamber to the atmosphere; after the first focus ring is transferred out of the process chamber, controlling the plasma processing apparatus to clean the surface of the mount table; and after the surface of the mount table is cleaned, controlling the transfer device to transfer a second focus ring into the process chamber and place the second focus ring on the surface of the mount table without opening the process chamber to the atmosphere.
US11990315B2 Measurement and correction of optical aberrations in charged particle beam microscopy
A charged particle beam microscope system is operated in a transmission imaging mode. During the operation, the charged particle beam microsystem directs a charged particle beam to the sample to produce images. A time series of beam tilts is applied in a pattern to the charged particle beam directed to the sample to produce a sequence of images. At least some of the images in the sequence of images are captured while the charged particle beam is transitioning between one beam tilt in the time series of beam tilts and a sequentially adjacent beam tilt in the time series of beam tilts. The pattern is configured to induce image changes between the images in the sequence of images that are indicative of optical aberrations in the charged particle beam microscope system.
US11990314B2 Sample preparation system and method for electron microscope observation, and tape feeding mechanism used for sample preparation
Sample preparation system and method which enable electron microscope observation of a sample slice with simple structure and process are provided. The sample preparation system includes at least one of a plasma treatment apparatus and a sputtering apparatus, as well as a slice collecting apparatus. The plasma treatment apparatus is configured to feed a resin tape in a plasma irradiation area to irradiate the resin tape with plasma, thereby continuously hydrophilizing the resin tape. The sputtering apparatus is configured to feed the resin tape in a sputtering area to continuously perform sputtering on the resin tape, thereby imparting conductivity to the resin tape. The slice collecting apparatus is configured to serially collect slices cut out from a sample onto the resin tape having been subjected to plasma treatment or sputtering.
US11990313B2 Use of optical polarization states to control a ponderomotive phase plate
A ponderomotive phase plate, also called a laser phase plate or standing wave optical phase plate, has a first minor and a second minor that define an optical cavity. An electron beam passes through a focal spot of the optical cavity. A laser with variable polarization angle of laser light is coupled to the optical cavity. A standing wave of polarized laser light, with an anti-node at the focal spot of the optical cavity, causes variable modulation of the electron beam. The variable modulation of the electron beam is controllable by the variable polarization angle of the laser light. In a transmission electron microscope, an image plane receives the electron beam modulated by the standing wave optical phase plate. An image formed at the image plane is based on the variable polarization angle of the polarized laser light.
US11990310B2 Radiation generation apparatus and radiation generation method
Provided is a radiation generation apparatus that can be downsized while improving power efficiency compared with a normal conduction accelerating tube. The radiation generation apparatus includes: an accelerating tube in which an accelerating cavity is defined by a tubular-shaped housing having conductivity and a plurality of cells made of a dielectric material, center openings of the cells being aligned so as to be communicated with each other in a direction in which the cells are arranged in the housing; an RF amplifier that supplies a high-frequency power to the accelerating tube; and an electron gun that emits a charged particle passing through the opening of each of the cells in the accelerating tube.
US11990309B2 Biased cathode assembly of an x-ray tube with improved thermal management and a method of manufacturing same
Various systems and methods are provided for a biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same. In one example, a cathode assembly of an X-ray tube comprises an emitter assembly including an emitter coupled to an emitter support structure, and an electrode assembly including an electrode stack and a plurality of bias electrodes. The emitter assembly including a plurality of independent components that are coupled together. The electrode assembly including a plurality of independent components that are coupled together, and the emitter assembly being coupled to the electrode assembly.
US11990306B2 Electrified vehicle traction powertrain module having removably insertable fuse box
A high-voltage module, such as a traction battery, a traction inverter, or a DC/DC converter of a traction powertrain of an electrified vehicle (EV), includes an enclosure and a fuse box. An electronics assembly for performing electrical power operations is housed within the enclosure. The enclosure has a socket. The fuse box is removably insertable into the socket of the enclosure. The fuse box connects to the electronics assembly while the fuse box is inserted into the socket of the enclosure for the fuse box to provide a power distribution and fuse protection arrangement to the electronics assembly.
US11990300B2 Electromagnetic relay
An electromagnetic relay includes a case including a base, a first fixed terminal held by the base, a movable contact piece, a gas inflow space, and a gas passage. The first fixed terminal includes a first fixed contact disposed apart from the base in a first direction inside the case, a contact support portion disposed between the first fixed contact and the base and configured to support the first fixed contact, and a first extending portion extending at an angle from the contact support portion and penetrating the base in the first direction. The movable contact piece includes a first movable contact facing the first fixed contact in the first direction. The gas inflow space is formed between the base and the contact support portion inside the case. The gas passage penetrates the base in the first direction and communicates the gas inflow space with an outside of the case.