Document Document Title
US09578794B2 Apparatus and method for detaching a component from a mounting surface
Disclosed is an apparatus for detaching a component from a mounting surface to which the component is attached by an adhesive. The apparatus includes a right-angled hook, a curved hook, a connecting body and an adjusting member. On one side of the component, the right-angled hook protrudes into a first space between the component and the mounting surface. On another side of the component, the curved hook protrudes into a second space between the component and the mounting surface. The connecting body connects the right-angled hook and the curved hook. In response to a thermal process, the adhesion of the adhesive is reduced, and an adjustment of the adjusting member allows the curved hook to provide a shear force in order to detach the component from the mounting surface. A method for detaching a component from a mounting surface is also disclosed.
US09578792B2 Magnetic shielding sheet for digitizer and portable terminal having same
A magnetic field shielding sheet includes: a magnetic field shielding main sheet disposed on the back of the digitizer to thus prevent affecting the digitizer; and a magnetic field shielding sub-sheet laminated in a dual on at least one of four side edges of the magnetic field shielding main sheet, and to prevent affecting the digitizer by the magnesium frame inside the portable terminal, wherein the magnetic field shielding main sheet includes a shielding layer made of a plurality of pieces, a cover layer adhered to one surface of the shielding layer, and a double-sided tape adhered to the other surface of the shielding layer. A magnetic field arising from various components incorporated in a portable terminal device is shielded by the magnetic field shielding main sheet while the magnetic field shielding sub-sheet prevents a digitizer from being affected by a magnesium frame, thereby enhancing performance of the digitizer.
US09578789B2 Power semiconductor module with liquid cooling
A power semiconductor module includes a substrate and a two-part cooling system arranged under the substrate. The cooling system has upper and lower pieces. The upper piece forms a flow channel with the substrate for a cooling liquid. The upper piece has a first inflow and an outflow, through which the cooling liquid can be introduced into the flow channel and removed. The upper piece also has at least one second inflow, which is spaced apart from the first inflow in a longitudinal direction. The lower piece has an inlet and an outlet, the outlet being connected to the outflow and the inlet being connected to the first inflow. The lower piece also has a channel branching off from the inlet, which includes at least one bypass channel, which is connected to the second inflow, so part of the cooling liquid passes through the bypass channel into the flow channel.
US09578788B2 Inverter power module packaging with cold plate
A heat sink is provided. The heat sink includes a single-piece housing having a floor and two walls, the walls perpendicular to the floor and the walls are parallel to each other. The heat sink includes the housing having an inlet and an outlet. The housing is configured to attach power modules to an outer surface of the floor and to outer surfaces of the two walls. The housing is configured to cool the power modules in response to fluid flow into the inlet.
US09578787B2 Temperature trend controlled cooling system
An information handling system (IHS) temperature control system includes a cooling system, a controller coupled to the cooling system, and an IHS coupled to the controller. The IHS includes a temperature status reporting engine that is configured to determine a first temperature of the IHS and determine a second temperature of the IHS subsequent to determining the first temperature. In response to the second temperature being above a first predetermined temperature range, the temperature status reporting engine provides a first signal to the controller to increase cooling provided by the cooling system if the first temperature and the second temperature indicate that a temperature trend of the IHS is not decreasing, and provides a second signal to the controller to maintain cooling provided by the cooling system if the first temperature and the second temperature indicate that the temperature trend of the IHS is decreasing.
US09578781B2 Heat management for electronic enclosures
An enclosure and method for housing electrical components. The enclosure includes walls provided about the electrical components, the walls having poor thermal conductivity. At least one thermal transport device extends through at least one respective wall. The at least one thermal transport device has a first portion which is positioned within the enclosure, a second portion which is positioned outside of the enclosure and a transition portion which connects the first portion to the second portion. The at least one thermal transport device has a high effective thermal conductivity and provides a high thermal conductivity path for heat energy to pass from within the enclosure to outside the enclosure.
US09578779B2 Front rack cable management system and apparatus
Systems, apparatuses and devices are used for front cable management of equipment modules mounted in equipment racks. One aspect is directed to an apparatus for front cable management generally including a cable management device for a rack-mounted equipment module supported in an equipment rack. The cable management device generally includes an articulated arm assembly movable between a retracted operational position and a service position extending forwardly out from the equipment rack. Another aspect is directed to a system for front cable management generally including an equipment rack and a rack-mount support for movably positioning a rack-mount equipment module on the equipment rack. The rack-mount support generally includes a front end configured to receive a cable management device for routing cables from a cable zone of the equipment rack to a front end of the rack-mount support.
US09578777B1 Universal mezzanine connector
A computing system includes a low-profile chassis a motherboard disposed therein and at least one full-size circuit board coupled to the motherboard within the chassis. A method and another computing system are disclosed.
US09578773B1 Repair or refurbishment of limited use medical devices
A powered medical device includes electronic components on a circuit board embedded within the body of a plug for connecting the device with a control apparatus. The medical device may be repaired or refurbished without the need to access the embedded circuit board through the use of a supplemental circuit board installed into the open end of the plug adjacent the plug pins. The supplemental circuit board may include a variety of electronic components, including fuses or non-volatile memory.
US09578771B2 Backplane module and method of manufacturing same
A method of manufacturing a backplane module includes providing a thermally conductive substrate, and applying a predetermined volume of epoxy extending between a first electrical component disposed on the thermally conductive substrate and a second electrical component disposed on the thermally conductive substrate to create an electrical pathway therebetween.
US09578768B1 Laser-colored sapphire material
A colored sapphire material and methods for coloring sapphire material using lasers are disclosed. The method for coloring the sapphire material may include positioning the sapphire material over an opaque substrate material, exposing the opaque substrate material to a laser beam passing through the sapphire material to impact the substrate material, and inducing a chemical change in a portion of the sapphire material exposed to the laser beam. The method may also include creating a visible color in the portion of the sapphire material as a result of the chemical change. The colored sapphire material may include a first transparent portion, and a second, colored portion substantially surrounded by the first portion. The second, colored portion may have a chemical composition different than that of the first portion.
US09578767B2 Cover for an electronic module
A cover for an electronic module that has a housing holding a electrical component and a circuit board for operating the electrical component includes a cover plate having an interior surface and an exterior surface. The cover plate has a dielectric body. A majority of at least one of the interior surface and the exterior surface includes a conductive layer to provide electrical shielding for the cover plate. A connector portion is formed integrally with the cover plate defining a unitary structure. The connector portion includes a plurality of contact channels and a shroud extending from the exterior surface that surrounds a receptacle configured to receive a plug connector therein. Contacts are held in corresponding contact channels that have mating ends positioned in the receptacle and mounting ends exposed beyond the interior surface for mounting to the circuit board.
US09578762B2 Television monitor combination stand and wall mount
A combination television monitor stand and wall mount is presented. The combination stand and mount has an assembly of parts that can be assembled into two different configurations. The parts assembly includes a base plate, brackets, screws, and a stand cover. In a stand configuration, the described apparatus functions as a table stand for a television or computer monitor. In a wall mount configuration, the described apparatus allows a monitor to be mounted to a wall. A second embodiment provides a stand configuration having a neck pivotably attached to a base plate by a hinge, and a locking lever arm supporting the neck when the neck is in an upright position.
US09578761B2 Electronic control unit and protective case
An electronic control unit includes a plate-shaped control board, a long pillar-shaped battery pack, a fixing frame that includes a juxtaposing and mounting part, to which the control board and the battery pack are fixed, and a housing that includes an opening portion and a back side holding portion to accommodate the control board and the battery pack. The juxtaposing and mounting part is inserted into the opening portion. The fixing frame is fixed to the opening portion. The back side holding portion holds the juxtaposing and mounting part at an inner back side of the housing opposed to the opening portion. The back side holding portion includes a protruding portion protruding toward the opening portion at a position away from a bottom surface of the housing on the inner back side of the housing. The juxtaposing and mounting part includes a tip portion in a direction of the insertion of the juxtaposing and mounting part into the housing. The tip portion has a curved shape that is urged from its upper side by a lower surface of the protruding portion and that is urged from its lower side by the bottom surface of the housing on the inner back side of the housing.
US09578759B2 Electronic device with cover
An electronic device is provided. The electronic device includes a front glass cover forming a front face of the electronic device, a rear glass cover forming a rear face of the electronic device, a metal bezel encapsulating a space formed by the front glass cover and the rear glass cover, and a display device disposed in the space and that includes a screen region exposed through the front glass cover. At least one glass cover of the front glass cover and the rear glass cover includes a surface that includes a first edge, a second edge extending at an opposite side to the first edge, a third edge interconnecting a first end of the first edge and a first end of the second edge, and a fourth edge interconnecting a second end of the first edge and a second end of the second edge.
US09578757B2 Slidable engagement of enclosure housings
An enclosure having a first and second housing. The housings are slidably engaged along a first axis to form the enclosure. In one example, a compressed resilient member urges the housings together.
US09578755B2 Printed wiring board having buildup layers and multilayer core substrate with double-sided board
A printed wiring board includes: a multilayer core substrate including first and second insulation layers and a double-sided board between the first and second insulation layers. The core substrate has a cylindrical through-hole structure including a cylindrical conductor through the insulation layers and the board, a resin filler filling inside the cylindrical conductor and covering circuits covering the filler at the ends of the cylindrical conductor, respectively. The core substrate includes a conductive layer including a through-hole land around end of the structure such that the land is directly connected to the cylindrical conductor, the land includes a first electroless film, a first electrolytic film, a second electroless film and a second electrolytic film, and the cylindrical conductor includes the second electroless and electrolytic films such that the second electroless film is in contact with the side walls of the first electroless and electrolytic films.
US09578754B2 Metal base substrate, power module, and method for manufacturing metal base substrate
A metal base substrate of the present invention includes a copper plate made of copper, a metal layer that is formed on the copper plate and is made of a metal different from the copper, an insulating resin sheet that is formed by bonding a sheet made of an insulating resin onto the metal layer, and a circuit pattern formed on the insulating resin sheet.
US09578751B2 Method for producing a resin substrate having a metal film pattern formed thereon
The purpose of the present invention is to provide a method for using a metal ion solution of low concentration to efficiently form a metal film pattern of excellent accuracy and reliable adhesion on a resin substrate. A resin substrate having a metal film pattern formed thereon is produced by a method that includes the following steps (a) to (e): (a) a step for pattern-printing of a latent image agent (2) onto the surface of a resin substrate (1) ; (b) a step for bringing the area imprinted with the latent image agent (2) into contact with a solution containing metal ions, and forming a metal salt (3); (c) a step for bringing the metal salt (3) into contact with an acidic treatment liquid containing a reducing agent, and reducing the metal salt; (d) a step for forming an electroless nickel plating film (5) on the area imprinted with the latent image agent; and (e) a step for precipitating an electroless copper plating (6) onto the surface of the nickel plating film (5).
US09578744B2 Leadframe package with pre-applied filler material
Embodiments of the present disclosure are directed to a leadframe package with recesses formed in outer surface of the leads. The recesses are filled with a filler material, such as solder. The filler material in the recesses provides a wetable surface for filler material, such as solder, to adhere to during mounting of the package to another device, such as a printed circuit board (PCB). This enables strong solder joints between the leads of the package and the PCB. It also enables improved visual inspection of the solder joints after the package has been mounted.
US09578743B2 Circuit board
A circuit board is provided that includes an outermost conductor layer including a plurality of terminals for flip-chip bonding and an outermost resin insulating layer defining a first opening and a second opening in an electronic-component mounting region. One of a power supply terminal and a ground terminal is exposed in the first opening. A plurality of signal terminals are exposed in the second opening. The resin insulating layer includes a reinforcing portion that defines an inner bottom surface of the second opening. A height of a portion of the terminal exposed in the first opening, the portion projecting from an inner bottom surface of the first opening, is greater than a height of portions of the terminals exposed in the second opening, the portions projecting from the inner bottom surface of the second opening.
US09578741B2 Copper foil with carrier, method of producing same, copper foil with carrier for printed wiring board, and printed wiring board
Provided is a copper foil for a printed wiring board including a roughened layer on at least one surface thereof. In the roughened layer, the average diameter D1 at the particle bottom being apart from the bottom of each particle by 10% of the particle length is 0.2 to 1.0 μm, and the ratio L1/D1 of the particle length L1 to the average diameter D1 at the particle bottom is 15 or less. In the copper foil for printed wiring board, when a copper foil for printed wiring having a roughened layer is laminated to a resin and then the copper layer is removed by etching, the sum of areas of holes accounting for the resin roughened surface having unevenness is 20% or more. The present invention involves the development of a copper foil for a semiconductor package substrate that can avoid circuit erosion without causing deterioration in other properties of the copper foil. In particular, an object of the present invention is to provide a copper foil for a printed wiring board and a method of producing the copper foil, in which the adhesion strength between the copper foil and the resin can be enhanced by improvement of the roughened layer of the copper foil.
US09578740B2 Copper clad laminate, printed circuit board, and method of manufacturing the same
Disclosed herein are a copper clad laminate, a printed circuit board, and a method of manufacturing the same. The copper clad laminate includes: an insulating layer having one surface and the other surface; and first and second copper foil layers having one surface, which is a smooth surface, and the other surface, which is a rough surface having a roughness larger than that of the smooth surface, respectively, wherein one surface of the insulating layer contacts the rough surface of the first copper foil layer and the other surface of the insulating layer contacts the smooth surface of the second copper foil layer.
US09578739B2 Metal foil provided with electrically resistive layer, and board for printed circuit using said metal foil
Metal foil provided with an electrically resistive layer, characterized in that an alloy (in particular, a NiCrAlSi alloy) resistive layer containing 1 to 6 mass % of Si is formed on the metal foil controlled to have a ten-point average roughness Rz, which was measured by an optical method, of 4.0 to 6.0 μm, and the variation in the resistance value of the electrically resistive layer is within ±10%. Provided is a copper foil that allows embedding of a resistive material in a board by further forming an electrically resistive layer on the copper foil, and further allows improving the adhesiveness and suppressing the variation in resistance value within a certain range. As needed, metal foil provided in advance with a copper-zinc alloy layer formed on the surface thereof and a stabilizing layer composed of at least one component selected from zinc oxide, chromium oxide, and nickel oxide formed on the copper-zinc alloy layer is used.
US09578737B2 Substrate structure and package structure using the same
A substrate structure is provided. The substrate structure includes a number of traces, a substrate core, a number of first metal tiles, a number of second metal tiles, a number of first electrically-functioning circuits, and a number of second electrically-functioning circuits. The substrate core has a first surface and a second surface opposite to the first surface. The traces, the first metal tiles, and the first electrically-functioning circuits are disposed on the first surface and add up to a first metal structure proportion, and the second metal tiles and the second electrically-functioning circuits are disposed on the second surface and add up to a second metal structure proportion. The difference between the first metal structure proportion and the second metal structure proportion is within 15%.
US09578736B2 Patterned metallization handle layer for controlled spalling
A handle substrate having at least one metallization region is provided on a stressor layer that is located above a base substrate such that the at least one metallization region is in contact with a surface of the stressor layer. An upper portion of the base substrate is spalled, i.e., removed, to provide a structure comprising, from bottom to top, a spalled material portion of the base substrate, the stressor layer and the handle substrate containing the at least one metallization region in contact with the surface of the stressor layer.
US09578732B2 Composition for forming silver ion diffusion-suppressing layer, film for silver ion diffusion-suppressing layer, circuit board, electronic device, conductive film laminate, and touch panel
A composition for forming a silver ion diffusion-suppressing layer includes an insulating resin and a compound including: a structure selected from the group consisting of a triazole structure, a thiadiazole structure and a benzimidazole structure; a mercapto group; and at least one hydrocarbon group optionally containing a heteroatom, with the total number of carbon atoms in the hydrocarbon group or groups being 5 or more. The composition for forming a silver ion diffusion-suppressing layer allows formation of a silver ion diffusion-suppressing layer capable of suppressing silver ion migration between metal interconnects containing silver or a silver alloy to improve the reliability on the insulation between the metal interconnects.
US09578728B2 Long life, fail safe traffic light
The present disclosure is directed to a method for detecting a failure in a signal light. In one embodiment, the method includes monitoring operation of one or more light emitting diodes (LEDs) of the signal light coupled to a constant current driver, detecting a short circuit in at least one of the one or more LEDs and signaling a failure in the signal light when the short circuit is detected.
US09578726B2 Discharge lamp lighting apparatus and projector
A discharge lamp lighting apparatus for lighting a discharge lamp in which an electric discharge medium, which contains xenon, is enclosed in an electric discharge container, and a pair of cathode electrode and anode electrode for main discharge is arranged to face each other, comprises a starter for generating dielectric breakdown in the electric discharge container of a discharge lamp, and a power supply circuit for supplying discharge current to the discharge lamp, wherein the power supply circuit has an output current modulation circuit for modulating the magnitude of current passed through the discharge lamp in at least a lighting steady state, according to a modulation signal, and wherein the output current modulation circuit controls speed of change so as to be 2.6 A or less per millisecond in case the magnitude of the lamp current per square millimeter in a cross section of the cathode electrode decreases.
US09578722B2 Methods for selecting and controlling devices
A method of selecting and controlling devices based on wireless communication technology. The wireless controller sends a probe message to one or more devices; each device receives the probe message, obtains information in respect of its relative position with respect to the wireless controller, determines a response time to respond according to a first predefined rule, based on its relative position information: detects response signals from other devices before expiration of the response time; decides whether to send or not to send its response signal according to a second predefined rule and the detecting procedure of response signals from other devices; the wireless controller receives response signals sent by the devices after the comparison of the relative position information of each device with respect to the wireless controller, and selects the target devices from the devices. Embodiments of the present invention reduce the complexity, delay and energy consumption of the selection for wireless devices, and are especially applicable for wireless lighting systems.
US09578720B2 Wireless control device
A wall-mountable wireless control device may include an antenna (e.g., a slot antenna or a hybrid slot-patch antenna) for transmitting and/or receiving radio-frequency signals. The wireless control device may comprise a user interface, an antenna, a radio-frequency communication circuit, a control circuit, and/or a conductive faceplate. The radio-frequency communication circuit may be configured to transmit or receive radio-frequency signals via the antenna. The user interface may be configured to receive a user input. The conductive faceplate may be configured to operate as a radiating element of the antenna when the conductive faceplate is mounted to the wireless control device and the user interface is received in the opening of the conductive faceplate. The conductive faceplate may comprise a conductive material arranged over a plastic carrier, for example, the conductive material may be provided adjacent to greater than or equal to approximately 85% of the front surface.
US09578719B2 Method and device for correcting color shift of organic light-emitting diode (OLED) display panel, and display device
A method and device for correcting a color shift of an OLED display panel, and a display device are disclosed. The method includes: performing an ageing treatment on the monochromatic luminescent devices in the OLED display panel; performing a luminescent lifetime attenuation test on the monochromatic luminescent devices after the ageing treatment respectively, and obtaining corresponding luminescent lifetime attenuation rates of the monochromatic luminescent devices; and performing an ageing treatment on the monochromatic luminescent device with rapidest luminescent lifetime attenuation rate again when differences between the luminescent lifetime attenuation rates of the monochromatic luminescent devices are greater than a preset threshold, until differences between the luminescent lifetime attenuation rates of the monochromatic luminescent devices are less than the preset threshold. The method effectively corrects the color shift phenomenon of display images of an OLED display product after long-term use.
US09578718B2 Method for manufacturing light-emitting element and deposition apparatus
In order to provide a highly reliable organic EL element, a first step in which a deposition material is heated and vaporized in a deposition chamber in which the pressure is reduced and a second step in which a layer included in an EL layer is deposited in the deposition chamber are performed while exhaustion is performed and the partial pressure of water in the deposition chamber is measured with a mass spectrometer. Alternatively, the deposition chamber in the deposition apparatus includes a deposition material chamber and is connected to an exhaust mechanism. The deposition material chamber is separated from the deposition chamber by a sluice valve, includes a deposition material holding portion including a heating mechanism, and is connected to a mass spectrometer and an exhaust mechanism.
US09578716B2 Apparatus for using heat pipes in controlling temperature of an LED light unit
A light emitting diode (LED) light unit is disclosed. For example, the LED light unit includes at least one support plate having one or more inner openings. At least one LED array may be coupled to an LED board. The LED light unit also includes at least one heat pipe coupled to the LED board, wherein said LED board is coupled to the at least one support plate.
US09578715B2 Method and system for driving LED lamp
Embodiments of the disclosure include an LED lamp driving method and a system in the liquid crystal panel display field. A method of the disclosure includes: adjusting correspondence relations between ports of the LED lamp and channel ports of the LED lamp driving chip first; and then connecting ports of the LED lamp and channel ports of the LED lamp driving chip according to the adjusted the correspondence relations to control light emission of the LED lamp. Aspects of the disclosure include avoiding overheating and even burning of LED lamp driving chips; can be adapted to various LED lamps operation to reduce failure rate of LED lamp operation to the minimum; effectively reduces concentrated heating of the LED lamp driving chip and increases service life of the LED lamp driving chip.
US09578714B2 Lighting system and signal converting device therefor
A lighting system includes a digital addressable lighting interface (DALI) master controller, a lighting driver, and a signal converter. The DALI master controller is connected to a management server. The lighting driver operates a lighting device including a light emitting diode (LED). The signal converter is connected to the DALI master controller by a DALI bus operating according to a DALI communication protocol, and is communicatively connected to the lighting driver via a wireless communication connection operating according to a wireless communication protocol. The signal converter inter-converts a signal transmitted and received from the DALI master controller according to the DALI communication protocol and a signal transmitted to and received from the lighting driver according to the wireless communication protocol so as to enable communication between the lighting driver and the DALI master controller.
US09578713B2 Color control system with variable calibration
An illumination device including a plurality of LEDs emitting light in different source colors is disclosed. The device receives an input signal indicative of at least a color and/or brightness to be emitted by the illumination device. The device also stores colorimetric data. The colorimetric data is indicative of colorimetric properties of the light emitted by the plurality of LEDs, where the colorimetric properties of the LEDs define the actual color gamut of the illumination device. The device also stores a predefined color gamut data. A processing unit generates an adjusted color gamut based on the actual color gamut and the predefined color gamut and activates the plurality of LEDs based on the input signal and the adjusted color gamut.
US09578712B2 Method and device for controlling LED display of wearable smart equipment
The present invention provides a method and a device for controlling an LED display of a wearable smart equipment, comprising: setting a plurality of LED display patterns which correlate to predetermined information of the wearable smart equipment; if a first display triggering signal is received, then determining a function information display type according to the first display triggering signal; and if the function information display type indicates that the LED display pattern to be implemented correlates to a predetermined information, then reading a current predetermined information of the wearable smart equipment, determining the LED display pattern according to the current predetermined information, and making the LEDs of the wearable smart equipment implement the LED display pattern that correlates to the current predetermined information, where the LED display patterns comprises lighting up, lighting out, flashing, changing display colors/position, changing display frequencies, changing display durations, changing of display order and any combination thereof.
US09578711B2 LED driver, lighting device and LED based lighting application
An LED driver for powering an LED fixture includes a power converter for converting an input power such as a rectified mains supply to an output power for powering the LED fixture; a control unit arranged to control an output characteristic of the power converter; optionally, a network terminal connected to the control unit for connecting the control unit to a network, the control unit being arranged to receive a control signal from the network via the network terminal for controlling the output characteristic; an application terminal connected to the control unit for connecting the control unit to a lighting device; the control unit being arranged to: provide a polling signal to the lighting device; receive, in response to the polling signal, a control signal for controlling the output characteristic.
US09578710B2 Wavelength sensing lighting system and associated methods
A wavelength sensing lighting system that may comprise a light source included in an array to emit illuminating light, the array including a plurality of light sources, a sensor included in the array configured to sense environmental light from an environment, and a controller operatively connected to each of the sensor and the light source and may be configured to analyze the environmental light sensed by the sensor to at least one of detect and generate data relating to a condition of the environment, the data being transmittable in a data light. The controller may be configured to receive the data included in the data light using the sensor. The controller may be configured to analyze the data and to control the transmission of the data light from the light source.
US09578709B2 Multi-function lighting system
A multi-function lighting system is provided. A design of multiplex configuration of a multi-diode lighting module and a design of optical time domain modulation of an electric controlling system are applied to a lighting system which senses environmental conditions to automatically or artificially change a color, a light intensity and a color-temperature of a light to influence people's feelings and moods. At the same time, the environmental sensing device further feedbacks an information of humidity or temperature so that parameter of optimum light environment can be set accordingly. The multi-diode lighting module is applied to the design of the lighting system, such that the lighting system can be manufactured in a customization way to meet varied requirements in the landscaping and optical designs, not only reducing the cost and increasing mass production rate but also providing multi-functions including landscaping lighting, ergonomic lighting, plant lighting and air purifying.
US09578704B2 Voltage converter and lighting apparatus incorporating a voltage converter
A lighting apparatus that may comprise a voltage converter operable to supply a current to at least two LED channels coupled between a high voltage rail and a low voltage rail coupled to the voltage converter output is disclosed. The LED channels may be operated to selectively allow a current to flow through them. The lighting apparatus may also have a control module operable to control the total current from the voltage converter and the current through each of the LED channels. The control module may also be operable to set the respective control signals to maintain a constant total current from the voltage converter while permitting aspects of the light output including, the intensity, color, and color temperature to be set and varied. Additionally, the control module may be operable to synchronize the various control signals, obtain a representative sample of the current through the voltage converter, and operate in different modes.
US09578701B1 Switched capacitor LED matrix driver
This disclosure is directed to techniques for efficiently driving multiple light emitting diode (LED) strings from a single regulated source. The techniques of this disclosure may utilize a switched capacitor DC-to-DC converter between the regulated source and the LED string. The switched capacitor (SC) converter may have multiple gain levels to efficiently match the drive voltage from the regulated source to the LED string voltage for each particular LED string. In some examples, the SC converter may have multiple gain levels such that the SC converter may deliver an LED string voltage that is approximately a multiple of the number of LEDs in the LED string. Using capacitor components in an SC converter may have the advantages of small size and low cost.
US09578699B2 Control circuit
Provided is a control circuit capable of suppressing flickering of an LED while preventing degradation of the power efficiency. A control circuit is configured to control electric power to an LED illumination based on a rectified drive voltage, the rectified drive voltage being a drive signal rectified by a rectifier, the drive signal being an AC signal whose phase is controlled by a dimmer including a switching device. The control circuit includes a time period detection part configured to detect a time period in which a voltage value of the rectified drive voltage is less than or equal to a predetermined value; and a dimmer current control part configured so that a control current to the dimmer is greater than or equal to a holding current of the switching device during the time period detected.
US09578697B2 Lighting module
Various embodiments may relate to a lighting module, including a first printed circuit board, on which at least one light source is arranged, a covering element, which at least partially covers the first printed circuit board, and at least one electronic component, which is integrated in the covering element and is electrically connected to the first printed circuit board.
US09578692B2 Power converter with tank circuit and over-voltage protection
In one implementation, a power converter with over-voltage protection includes a power switch coupled to a power supply through a tank circuit, and a control circuit coupled to a gate of the power switch. The control circuit is configured to turn the power switch OFF based on a current from the tank circuit, thereby providing the over-voltage protection to the power converter. In one implementation, the power converter is a class-E power converter. In one implementation, the control circuit is configured to sense the current from the tank circuit based on a voltage drop across a sense resistor coupled to the power switch.
US09578688B2 Heat treatment apparatus and heat treatment method
There is provided a heat treatment apparatus, including: a processing container configured to perform a heat treatment on substrates accommodated in the processing container; a heating unit configured to cover an outer circumference of the processing container with a predetermined space defined the heating unit and the processing container; a discharge pipe installed outside of the processing container and within the predetermined space, and configured to communicate with an interior of the processing container to discharge an exhaust gas from the interior of the processing container; and a heat insulating member configured to cover a circumference of the discharge pipe.
US09578681B2 Methods and arrangements for a low power device in wireless networks
Some new low power architecture devices may, e.g., be associated with in a new device category in the IEEE 802.11ah Standard for devices with low power architecture. Some new low power architecture devices may only to support a subset of modulation and coding schemes (MCSs). Some new low power architecture devices negotiate the use of the subset of MCSs with an access point. Further new low power architecture devices address power consumption through modifications to the architecture of the new low power device. For instance, many new low power architecture devices remove, modify or bypass portions of the front-end transmitter circuitry and/or the front-end receiver circuitry such as a power amplifier, a low noise amplifier, predistortion circuitry, digital-to-analog and analog-to-digital converter resolutions, and stages of filtering.
US09578680B2 Wireless communication device using multiple modems
A mobile communications device allows communication in an ad hoc wireless network. The mobile communications device transmits, on a first radio frequency (RF) channel of the wireless network, a first signal by at least a first radio of the wireless device, the first signal encoded using at least a first modem of the wireless device. The mobile communications device concurrently transmits or receives, on an RF second channel of the wireless network, a second signal by at least a second radio of the wireless device, the second signal encoded or decoded using at least a second modem of the wireless device.
US09578679B1 Download localized portion of large database based on cellular network topology
A wireless mobile communication device includes a wireless communication subsystem configured to wirelessly communicate through a local data access point to cause a query to be delivered to a remote access point location database. The location database contains information about the location of local data access points within a widespread area. The query is for location information for data access points located near the wireless device. The wireless device receives nearby access point location information from the database, and the device causes at least a portion of the access point location information to be delivered to a user. This may be done through a user interface, upon request of the user, and while the wireless communication subsystem is not connected to a local data access point.
US09578678B2 Methods and apparatus for facilitating locate and marking operations
Methods and apparatus for facilitating a locate and/or marking operation by assessing risk associated with the locate and/or marking operation. A communication interface receives a locate request ticket generated by a one-call center. A processor parses the locate request ticket to extract ticket information obtained from the locate request ticket. The processor further performs a statistical analysis of historical information that is selected based on the ticket information and includes historical damage reports for underground facility infrastructure and/or historical records of previously completed locate request tickets. At least one risk designation is assigned to the locate request ticket based on the statistical analysis of the historical information. The risk designation is transmitted or stored to facilitate clearing the locate request ticket and/or dispatching a locate technician to perform the locate and/or marking operation.
US09578677B2 Method and apparatus for management of cellular connections
In accordance with an example embodiment of the present invention, there is provided an apparatus configured to receive a location update reject message and to determine whether a radio resource connection release message is issued in connection with the location update reject message. The apparatus is further configured to, responsive to a determination that a radio resource connection release message is issued in connection with the location update reject message, initiate an attach procedure using a new radio resource connection, and responsive to a determination that no radio resource connection release message is issued in connection with the location update reject message, to initiate an attach procedure using an existing radio resource connection.
US09578676B2 Systems and methods for reducing in-device coexistence (IDC) interference
Systems and methods are provided for avoiding in-device coexistence interference on a user equipment. A first wireless communication circuitry and a second wireless communication circuitry operate concurrently on the user equipment. The second wireless communication circuitry detects an operational status of the first wireless communication circuitry, and determines if the operational status is transmission or reception. In response to determining that the operational status is transmission, the second wireless communication circuitry avoids receiving data. In response to determining that the operational status is reception, the second wireless communication circuitry avoids transmitting data.
US09578664B1 Trusted signaling in 3GPP interfaces in a network function virtualization wireless communication system
A method for providing a trusted communication link in a wireless network. A mobility management entity (MME) interface of a MME virtualized network function (VNF) receives a trusted communication request. A MME interface trustlet is allocated to execute in a trusted security zone of compute resources provided by a virtual computing environment in which the MME VNF executes. The MME interface trustlet establishes trusted signaling with two or more different VNFs provided by virtual servers executing in the virtual computing environment. The MME interface trustlet sends a trust token to the eNB to establish the trusted communication link from the eNB via a virtualized network function path through the virtual computing environment.
US09578662B2 Gateway and control device, and communication controlling methods for the same
In order to implement handover to a femto cell without making any modification to UEs, a gateway (50) relays traffic between a core network (60, 70) and a plurality of base stations (20_1-20_4) that are respectively incorporated into the core network (60, 70) through a public network. The gateway (50) generates an RRC Connection Release message for prompting establishment of a new RRC connection, when it is notified from the core network (60, 70) that a mobile station (10) is handed over to any one of the plurality of base stations (20_1-20_4). Then, the gateway (50) causes the core network (60, 70) to instruct a control device (40), which has established an RRC connection to the mobile station (10), to transfer the RRC Connection Release message to the mobile station (10).
US09578658B2 Backoff method and device used for wireless communication system
An apparatus, method, and system to provide a backoff method and device used for a lower priority access category AC. The method includes: when the lower priority AC and another AC in a same station STA obtain a transmission opportunity TXOP at the same time and an internal collision occurs, detecting a TXOP sharing state of the lower priority AC; and executing backoff of the lower priority AC according to the detected TXOP sharing state.
US09578653B2 Network assisted parameter estimation in the presence of inter-cell interference
Embodiments provide improved interference classification and parameter estimation at a User Equipment (UE) that uses received scheduling information associated with interfering cells from a network node together with parameters associated with interfering cells generated locally to the UE to generate an interference mapping data set that may be used to adjust subsequent interference classification and parameter estimation processing in the UE.
US09578647B2 3GPP bearer-based QoS model support on WiFi
A method is disclosed for providing broadband access to a Packet Data Network (PDN) from a WLAN. A network node receives a request for a dedicated bearer from a PDN gateway, along with one or more Quality of Service (QoS) requirements. Responsive to the bearer request, the network node sends a request to an access point in the WLAN for load information indicative of a load of the access point, and receives the requested load information. Based on the load information, the network node determines whether the access point would be able to meet the one or more QoS requirements if the bearer request was granted. If the determining indicates that the access point would be able to meet the one or more QoS requirements, the network node creates the dedicated bearer between the wireless terminal and the PDN gateway according to the one or more QoS requirements.
US09578646B2 Interference compensation in uplink power control
A method and a satellite terminal are provided. The satellite terminal may range over multiple frequencies and may receive, from a satellite gateway, a signal quality indicator with respect to each of the ranged multiple frequencies. Noise and interference for a corresponding frequency are estimated based on at least one of the received signal quality indicators for the corresponding frequency. Path loss is estimated based on multiple received signal quality indicators, each of which is received in response to the satellite terminal transmitting a signal while not performing the ranging process. A transmit power level of the satellite terminal is adjusted for the corresponding frequency based on the estimated path loss and the estimated noise and interference for the corresponding frequency.
US09578644B2 Beam misalignment detection for wireless communication system with beamforming
A method of beam misalignment detection for wireless communication system with beamforming is proposed. To identify a misaligned beam, a relative beam quality degradation is applied by comparing a dedicated beam quality with a reference beam quality. The reference beam favors similar transmission path as the dedicated beam, and has better mobility robustness. In one embodiment, the reference beam is an associated control beam of the dedicated beam. To detect beam misalignment, a first dedicated beam SINR is compared with a second associated control beam SINR.
US09578641B2 Method and apparatus of receiving different types of subframes in mobile communication system
A method and base station in a wireless communication system are provided. The method includes transmitting, to a terminal, system information including information associated with a sub-frame configuration of multimedia broadcast multicast service single frequency network (MBSFN) sub-frames, determining a transmission mode of the terminal, the transmission mode indicating one of a first transmission mode and a second transmission mode, transmitting, to the terminal, dedicated message including configuration information of the determined transmission mode of the terminal, and transmitting, to the terminal, control information in a physical downlink control channel (PDCCH) and data in a physical downlink shared channel (PDSCH) in a first sub-frame of the MBSFN sub-frames, if the terminal is configured in the first transmission mode.
US09578637B2 Method and apparatus for transmitting a reference signal in a multi-antenna system
A method is provided for transmitting, by a user equipment (UE), a demodulation reference signal (DMRS) for a physical uplink shared channel (PUSCH) in a wireless communication system. First, second, and third DMRS sequences associated with first, second, and third layers respectively are generated. First, second, and third cyclic shifts are allocated to the first, second, and third DMRS sequences respectively, The first, second, and third DMRS sequences are transmitted to a base station. The first, second, and third cyclic shifts are respectively determined based on first, second and third cyclic shift values, which are indicated by a cyclic shift field in downlink control information (DCI) received through a physical downlink control channel (PDCCH). The first and second cyclic shift values are separated by a maximum separation value corresponding to a total number of cyclic shifts and being determined for transmission of DMRS signal in the system using four layers.
US09578632B2 Methods and apparatus for UL DM-RS overhead reduction
In certain circumstances, the uplink resources (e.g., overhead) used for transmission of the UL DM-RS may be excessive, consuming an unnecessary amount of the available uplink spectrum. While there is a balance between the number of DM-RS and the reliability of the shared data channel, reduction of the UL DM-RS overhead may enable the UE to increase the number of transmissions in a UL subframes. Various DM-RS reduction techniques discussed include reducing the number of UL DM-RS generally, per resource block, or per pairs of resource units, and accommodating transmission of uplink control channel information when UL DM-RS is reduced. Further disclosed techniques relate to adjusting the number of UCI in the uplink shared channel.
US09578629B2 Method and apparatus of controlling uplink transmission in a wireless communication system
The present invention is directed to a method and an apparatus used for in a wireless communication system. Specifically, the present invention is directed to a method of controlling uplink transmission and an apparatus therefore, in which the method comprises: receiving a signal including information related with an assignment of a TAG for SCell; and considering SCell as having no valid uplink timing if TAT of the TAG is not running.
US09578628B2 PUCCH resource configuration method, transmission method, device and system
Provided are a PUCCH resource configuration method, transmission method, device and system. The method includes: allocating dedicated PRBs for UEs configured to transmit uplink control information using an enhanced PUCCH, which step comprising: taking the UEs configured to transmit the uplink control information using the enhanced PUCCH as a first type of UEs, and taking UEs other than the first type of UEs as a second type of UEs; and reserving a designated number of PRBs according to the number of UEs in the first type of UEs, wherein the designated number of PRBs are located between SR/semi-static ACK/NACK resources of the second type of UEs and dynamic ACK/NACK resources of the second type of UEs, and taking the designated number of PRBs as dedicated PRBs for the first type of UEs; and allocating orthogonal resources for UEs located in different cells among the first type of UEs based on the dedicated PRBs. The disclosure solves the problem of great interference between PUCCH from different cells and ensuring the receiving quality of the PUCCH.
US09578625B2 Method and apparatus for allocating resources in wireless communication system
A method and an apparatus for allocating resources in a wireless communication system are provided. The method is characterized by dividing a system bandwidth into a multiple of a resource block group (RBG) to form subbands and transmitting allocation information for indicating allocated subbands among the subbands and resource allocation within the subbands.
US09578623B2 System and method for mobile broadcast service, controller and method for driving controller
The present invention relates to a system and a method for a mobile broadcast service, a controller, and a method for driving the controller. The system for a mobile broadcast service forms an MBS zone only with base stations having user demand for an MBS. For example, when there is a request for an MBS from a base station, if an MBS zone already exists which is providing the requested MBS, then the corresponding base station is included in the previously generated MBS zone. In contrast, if there are no more users using an MBS via a base station that is part of an MBS zone, then the base station in question is excluded from the MBS zone. Thus, an MBS zone can be dynamically formed by including or excluding a base station, forming an MBS zone, on the basis of an existence of an MBS user.
US09578619B2 Mobile station positioning assistance with local mapping data
Techniques are provided which may be implemented using various methods and/or apparatuses for use in providing positioning assistance data to mobile stations. For example, a method in a first server in a cellular network may comprise sending a request for location information to a mobile station. A request for assistance data indicating an address of a second server may be received from the mobile station. Based on this address, a request for local mapping data may be sent to the second server. The local mapping data may be received from the second server. The assistance data based on the local mapping data and identifying a wireless signal transmitter may be sent to the mobile station. The location information, based on the assistance data and on a positioning operation based on a wireless signal transmitted by the identified wireless signal transmitter may be received from the mobile station.
US09578617B2 Anonymous device position measuring system and method
A system for measuring in an anonymous manner one or more spatial positions of one or more user devices within a region, wherein the system includes a wireless arrangement for receiving signals from the one or more user devices for determining the one or more spatial positions of the one or more user devices, wherein the wireless arrangement is operable to receive one or more user identification codes from the one or more user devices, wherein the one or more user identification codes include N bits; the system is operable to apply a mapping function to map the one or more user identification codes to form one or more corresponding secondary identification codes by decreasing an entropy of the one or more user identification codes by K bits; and the system is operable to modify the one or more corresponding secondary identification codes by increasing entropy of the one or more corresponding secondary identification codes by M bits.
US09578616B2 Forming carrier aggregation timing advance groups in a heterogeneous network
Technology for forming carrier aggregation timing advance groups in a heterogeneous network (HetNet) is disclosed. One method comprises assigning at least a first component carrier cell to one of a first timing advance group and a second timing advance group. At least a second component carrier cell is assigned to one of the first timing advance group and the second timing advance group. A separate timing advance index value is selected for each of the first and second timing advance groups. The timing advance index value is used to refer to the timing advance group in signaling in the HetNet.
US09578614B2 User terminal and base station
A user terminal includes processor configured to execute processes of: receiving, from a base station, configuration information indicating whether the user terminal shall transmit a device-to-device (D2D) synchronization signal used for a D2D proximity service; transmitting the D2D synchronization signal in response to the received configuration information being first configuration information explicitly indicating the user terminal shall transmit the D2D synchronization signal; and prohibiting transmission of the D2D synchronization signal in response to the received configuration information being second configuration information explicitly indicating the user terminal shall not transmit the D2D synchronization signal.
US09578613B2 Method and apparatus for determining clock desynchronization
Embodiments of the present invention provide a method and an apparatus for determining clock desynchronization. The method includes: detecting a cell with exceptional IN information or power information among all cells of base stations throughout a network according to network measurement data sent by a base station, and using the cell as a first cell, where the network measurement data includes interference and noise (IN) information or power information; and sorting the first cell according to different types of exceptions of the IN information or power information, so as to determine that one or more of the base stations throughout the network are in clock desynchronization.
US09578610B2 System and method for uplink timing synchronization in conjunction with discontinuous reception
Systems and methods for controlling sounding reference signal transmission are provided; a user equipment starts transmitting the sounding reference signal in anticipation of uplink data transmission, and then discontinues transmitting the sounding reference signal after completion of uplink data transmission.
US09578608B2 Power sharing method and base station
The embodiments of the present disclosure provide a power sharing method and a base station, wherein the method comprises the following steps of: according to a power demand of the communication systems of at least one mode among communication systems of different modes sharing a same power amplifier, determining whether to perform power sharing among communication systems of different modes (101); if it is determined to perform power sharing among communication systems of different modes, adjusting an available power of communication systems of one or more modes therein (102). According to the embodiments of the present disclosure, when it is determined to perform the power sharing according to the power demands, power sharing is performed among communication systems of different modes, thereby realizing dynamic and flexible power sharing among communication systems of at least two modes.
US09578607B2 Radio communication system, radio station, and method for controlling transmission power
User throughput fairness between a small cell and a macrocell is improved without affecting load balancing with another small cell. A radio station (100) having a radio area (100a) thereof, at least a part of which is adjacent to a radio area (300a) which is larger than the radio area (100a) of the radio station (100) and is managed by another radio station (300), acquires a load on the own station and a load on the another radio station and controls the transmission power of a radio terminal (200) connected to the radio area of the own cell, based on the relative magnitude of the load on the own cell to the load on the another radio station.
US09578598B2 Network node and method performed by a network node for controlling connectivity of a radio resource unit to a base band unit
A method performed by a network node in a communication network is disclosed for controlling connectivity of a radio resource unit (RRU) to a baseband unit (BBU) in the communications network. The communication network comprises a plurality of RRUs and a plurality of BBUs, each RRU being connected to a BBU via a distribution network. The method comprises receiving information indicating that a connection of a first RRU to a first BBU is to be controlled and triggering a user equipment (UE) connected to the first RRU to perform measurements on signals from neighboring RRUs and to send a report of the performed measurements to the communications network. The method further comprises receiving the report of the performed measurements, and selecting a BBU, out of the plurality of BBUs, to which the first RRU is to be connected, based on the report of performed measurements and on information regarding to which of the plurality of BBUs the neighboring RRUs are connected.
US09578597B2 Extended access barring for CSG cells
It is provided an apparatus, comprising CSG (closed subscriber group) determining means adapted to determine one of plural CSG types to which the apparatus belongs, based on a CSG entry stored by the apparatus, wherein the plural CSG types are related to a closed subscriber group advertisement received from a cell of a base station; selecting means adapted to select one of plural EAB (extended access barring) parameter sets based on the determined one of the plural CSG types, wherein the plural EAB parameter sets are received from the cell and wherein each of the plural EAB parameter sets is related to one of the plural CSG types; applying means adapted to apply extended access barring to an access of the apparatus to the cell based on the selected EAB parameter set.
US09578592B2 Method and arrangement for PCI assignment
Network node and method therein for assignment of Physical Cell Identities (PCIs) to Radio Base Stations (RBSs) in a wireless communication network. The method includes determining a most densely located RBS, based on the distances from each RBS to a certain number of other RBSs of the plurality of RBSs. The method further includes, for each RBS, i, for which a PCI is to be assigned: assigning a Secondary Synchronization Signal (SSS) to the RBSi from a set of SSSs, based on a distance from the RBSi to another RBS in the communication network associated with the same SSS, and a number of tiers between the RBSi and, at least, the other RBS. Further, a Primary Synchronization Signal (PSS) is assigned to the RBSi, based on the number of cells associated with the RBSi; and a PCI is assigned to the RBSi, based on the SSS and the PSS.
US09578585B2 Methods, devices, and systems for remotely controlling a communication device
Systems and methods for controlling communication systems for the hearing impaired are disclosed. A portable communication device requests control over a plurality of communication devices. The portable communication device connects to and controls the plurality of communication devices. The portable communication device includes a user interface that enables a user to transfer a call from a first communication device to a second communication device.
US09578583B2 Handover improvement for high speed user equipment in LTE
Methods and apparatus are disclosed for handing over of a high-speed mobile terminal or user equipment from a source network node to a target network node. Reliable methods for measuring the speed of a moving user equipment are disclosed. Parameters used in a handover procedure are also adjusted in accordance with the speed of the user equipment. For handing over a high-speed user equipment, the present application discloses that the source network node can coordinate with the target network node and other candidate network nodes in transmitting a handover command to prevent handover failures.
US09578580B1 Cellular handoff by wireless devices
A system and method of controlling a wireless device communicating with a cellular communications system includes: establishing a cellular connection between the wireless device and a first cell tower; detecting, at the wireless device, a reference signal received power (RSRP) measurement of a signal broadcast by the first cell tower; increasing an RSRP threshold used by the wireless device by adding an offset value to the RSRP threshold; determining whether the detected RSRP measurement of the signal broadcast by the first cell tower falls below the increased RSRP threshold; and initiating a cellular connection with a second cell tower.
US09578576B2 Control of offloading for device-to-device traffic in a cellular network
In a cellular network based on a cellular radio technology, a communication device sends a request for D2D communication to the cellular network. Further, the communication device receives a response to the request. The response indicates that an alternative radio technology is to be utilized for the D2D communication. The communication device then establishes the D2D communication on the basis of the alternative radio technology.
US09578573B2 Handoffs between access points in a Wi-Fi environment
Techniques disclosed herein include systems and methods for providing active mobility of Wi-Fi enabled devices within a given wireless local area network (WLAN). In general, techniques include dynamically commanding Wi-Fi enabled devices to disconnect from a corresponding access point in response to meeting predetermined conditions. A forced disconnect can be based on various criteria such as low-power or lost packet thresholds triggering the forced disconnect. Such techniques cause a Wi-Fi enabled device to disconnect from one access point and connect to another access point before a connection quality deteriorates to a point that causes noticeable interruptions in connectivity or a generally poor experience, thereby enabling a smooth transition among access points.
US09578571B2 Paging for circuit switched fallback (CSFB) in long term evolution (LTE) connected mode
Methods, apparatuses and computer readable media are described that analyze and communicate signaling messages between a mobile wireless device and a wireless access network to realize a circuit switched fallback (CSFB) procedure when the mobile wireless device is initially in a radio resource control connected mode with the wireless network. A set of information elements of a paging message is analyzed, and based on contents of the set of information elements and an internal state of the mobile wireless device, connections between the mobile wireless device and first and second wireless access networks are changed to realize the CSFB procedure.
US09578570B2 Methods and systems for switching over a voice call
Systems and methods for switching a voice call from an Instant Messaging (IM) based voice network to a second voice network. A telephone adapted to switch a voice call from an Instant Messaging (IM) based voice network to a second voice network.
US09578569B2 Transferring a user equipment to a radio access network with a different radio access technology
A network node (16) of a first radio access network is configured to transfer a user equipment (11) from the first radio access network to a second radio access network, wherein the second radio access network has a different radio access technology, RAT, than the first radio access network. The transfer is initiated when the network node receives an indication of an inactive period in an ongoing packet-switched data session from the user equipment, and the network node transfers the user equipment to the second radio access network as a result of said indication.
US09578566B2 Method and apparatus for transmitting data through inter-eNB carrier aggregation in wireless communication system
The present invention relates to a method and an apparatus for transmitting data to user equipment through not only a current base station cell but also a neighboring base station cell via inter-eNB CA in a wireless communication system. A method for transmitting data though carrier aggregation in the wireless communication system, according to the present invention, comprises the steps of: a first base station transreceiving data with a terminal through at least two PDN connections; the first base station transmitting a carrier aggregation request message to a second base station for aggregating carriers, when the first base station determines to carry out inter-eNB carrier aggregation; the first base station receiving a carrier aggregation reply message from the second base station in response to the carrier aggregation request message; the first base station performing an RRC reconfiguration process with the terminal to notify to the terminal of the determination to perform the inter-eNB carrier aggregation; and the first base station transmitting a path change request message to a mobile management entity to correct a data transreceiving path, so that data on at least one PDN connection from among the PDN connections is transreceived through the second base station.
US09578563B2 Method and apparatus for effectively controlling cell reselection priority of user equipment in CSG cell
A method by which a User Equipment (UE) controls a cell reselection priority in a Closed Subscriber Group (CSG) cell and an apparatus thereof are provided. The method of reselecting a cell by a UE in a mobile communication system includes receiving priority information about a cell reselection priority by frequencies transmitted from the mobile communication system, performing a cell reselection process according to the received priority information, determining whether a CSG cell to which the UE is allowed to connect is reselected, and assigning a highest cell reselection priority to a frequency for the CSG cell in reselecting the CSG cell.
US09578556B2 Long term evolution (LTE) communications over trusted hardware
A Long Term Evolution (LTE) communication network transfers data communications for User Equipment (UE). An LTE gateway system exchanges hardware trust data with a server system to maintain hardware trust for the LTE gateway system. An LTE access node processes a Radio Resource Control (RRC) message that contains a trusted bearer requirement for the UE to generate an S1 Application Protocol (S1-AP) initial UE message that contains the trusted bearer requirement for the UE. An LTE management node processes the S1-AP initial UE message to generate a General Packet Radio Service Transfer Protocol (GTP) create session message that contains the trusted bearer requirement for the UE. The LTE gateway system exchanges user data for the UE between the LTE access node and a communication node responsive to the GTP create session message.
US09578555B2 Event based eUICC fall-back
The present disclosure relates to a method performed by a connectivity service platform (2) in a communication network (1). The method comprises storing a fall-back policy. The method also comprises sending a policy message comprising information about the fall-back policy to a radio device (5) comprising an eUICC (6). The method also comprises detecting an event relating to a first subscription of the radio device with a first network operator (7) for a wireless network connection. The method also comprises sending an event message comprising information about the detected event to the radio device via the wireless network connection of the first subscription. The method also comprises determining that the detected event implies that the radio device will lose the network connection of the first subscription. The method also comprises falling back in accordance with the stored fall-back policy, thereby enabling the connectivity service platform to communicate with the radio device via a network connection of a second subscription of the radio device instead of the first subscription.
US09578553B2 Method and apparatus for improving a mobile station cell change operation in the general packet radio system (GPRS)
A mobile station executed method, wherein upon changing from a current cell to a new cell in a wireless packet data network the mobile station enters the new cell; generates a cell change packet data unit (PDU) message for informing the network of the location of the mobile station in the new cell; buffers the cell change PDU message into a PDU transmit queue before any buffered PDUs that were present before the mobile station entered the new cell; and transmits the buffered cell change PDU before any of the buffered PDUs that were present before the mobile station entered the new cell. In accordance with another method for informing the wireless network of the MS cell change, the following steps are executed: (i) in response to the MS making access in a new cell, sending a Channel Request that indicates a Cell Update operation; (ii) establishing an uplink (UL) Temporary Block Flow (TBF) for transferring Logical Link Control (LLC) Packet Data Units (PDUs) from the MS to the network; (iii) in response to the network receiving an unknown Temporary Logical Link Identifier (TLLI) from the MS, sending a message to a Serving GPRS Support Node (SGSN) and (iv) based on the message, determining with the SGSN the new cell location of the MS.
US09578552B2 Handover proactive association provisioning support method and system
A method and system is provided that supports minimizing handover times of netsurfing smartphones controlled by home Internet Access Devices (IADs) to shared IADs and optimizing earnings from these shared devices. The shared services are provisionable right at the handovers. Any shared IAD can implement an automatic auction of its service capacity controlled by a clearing system. The shared IADx automatically generates lucrative clicks on services of location based Internet-apps issued by Ayz passing through sharedIADx's reach. Several such provisioning systems may run concurrently, thus enabling high flexibility as to instant and local/regional system restructuring, e.g. on behalf of pricing strategy adaptations and/or version control. The application of the invention needs no change of the networks between which the above described pre-HO support of their HOs/MHOs shall be performed, i.e. it may work on top of all networks between which HOs or MHOs may be executed.
US09578551B2 Method and apparatuses for establishing a link between two devices
The invention relates to a method for establishing a link through which at least one data stream is to be transmitted. A first communication facility and a second communication facility form a first and second end of the link, respectively. A first base station is connected to the first communication facility, and a second base station is connected to the second communication facility, the first base station having preselected the second base station from among a plurality of base stations. The method includes the following steps, implemented by the first communication facility: extracting an identifier of the first base station and an identifier of the second base station, said identifiers being included in a message transmitted by the first base station; and establishing the link between the first communication facility and the second communication facility from the extracted identifier of the first base station and the extracted identifier of the second base station.
US09578550B2 Method and apparatus for device-to-device communication
A method of controlling device-to-device communications between user equipment, including using a network control element, which is common to a plurality of networks, including controlling any of the following functions: network access control functions, connection set-up, resource allocation, mode switching, handover, security and/or charging. Also a method of controlling handovers or connections in a device-to-device communications between a first and a second user equipment wherein the control is performed, at least in part, said first or second user equipments. Alternatively the user equipment may send reports a handover/connection is initiated/controlled based on said report.
US09578547B2 System, device, and method of media delivery optimization
A method for alleviation of congestion in a mobile communications network includes detecting congested cells in the mobile communications network, identifying subscribers with active data sessions in the congested cells; and optimizing bandwidth usage for at least one of the identified subscribers. A bandwidth optimization system includes a network sampling interface to receive at least subscriber, cell and data session identifiers from a network data packet sampler, where the sampler identifies the identifiers from internal data traffic within a mobile communications network, and a network awareness engine (NAE) to at least cross reference the identifiers with external data traffic output by the mobile communications network to at least detect congested cells and associated subscriber data sessions emanating from the mobile communications network.
US09578546B2 Directional adjustment to quality of service based on predicted traffic activity on a link
In an embodiment, an apparatus predicts traffic usage in uplink and downlink directions of a link that is configured to support a communication session for the client device. In an example, the predictions can be based upon a call state parameter (e.g., if the client device is a non-floorholder or is muted the client device is unlikely to send much traffic in the uplink direction, etc.). The apparatus initiates, in association with the communication session, (i) an uplink-specific QoS adjustment to a first level of Quality of Service (QoS) assigned to the uplink direction of the link based on the predicted traffic usage in the uplink direction, and/or (ii) a downlink-specific QoS adjustment to a second level of QoS assigned to the downlink direction of the link based on the predicted traffic usage in the downlink direction. The apparatus can correspond to the client device or alternatively to a server.
US09578545B2 Controlling data sessions in a communication system
A communication system configured to provide at least two policy controlled data sessions on a data carrier is disclosed. The communication system comprises means configured to provide control such that at least two data sessions on a data carrier are policy controlled by means of a policy controller entity.
US09578542B2 Method and core network device for transmitting device trigger message
In transmitting a device trigger message operation, a core network device receives a device trigger message sent by a first device, where the device trigger message includes information that indicates validity time of the device trigger message; when it is determined that a timer exists, compares the validity time with duration of the timer; if the validity time is greater than the duration of the timer, sends the device trigger message to a user equipment UE after the timer times out; and if the validity time is not greater than the duration of the timer, sends a message to the first device and/or discarding the device trigger message, where the message is used to indicate that triggering is rejected, or transmission fails, or device triggering fails.
US09578539B1 Transmitting a data packet over a wireless communication link
In systems and methods of transmitting a data packet to a wireless device over a wireless communication link, a signal level is received of a wireless communication link between a wireless device and an access node. A data packet is divided into a first segment and a second segment according to the received signal level, and the first segment and the second segment are transmitted to the wireless device over the wireless communication link according to the signal level.
US09578535B2 Other cell interference estimation
The disclosure relates to a method and a node for estimating other cell interference in a radio network node (300) providing an own cell serving at least one radio device in a radio network. The method comprises measuring a load utilization, relating to the load utilized by said at least one radio device. The method also comprises estimating a load utilization probability based at least on the measured load utilization, a previously estimated load utilization probability and a previously estimated interference-and-noise sum. The method also comprises estimating an interference-and-noise sum based at least on the measured load utilization, a measured received total wideband power (RTWP) the estimated load utilization probability and the previously estimated interference-and-noise sum. The method also comprises checking whether the estimated load utilization probability and/or estimated interference-and-noise sum and/or any algorithm value derived from any of the estimates, is within a predefined range.
US09578534B2 Method and device for measuring interference in communication system
A method and a device for measuring interference in a communication system are provided. The method includes measuring interference in a base station of a communication system, in which one or more antenna groups are arranged at different positions in a single cell, includes the steps of determining a reception antenna group which is one of the one or more antenna groups that transmits a signal other than an interference signal to a terminal, determining a reference signal in order to measure the strength of the signal transmitted by the reception antenna group, a step of determining a wireless resource so as to measure the interference in each of the one or more antenna groups, and notifying the terminal with the strength of the signal transmitted by the reception antenna group and information for measuring the interference in each of the one or more antenna groups.
US09578532B2 Method and apparatus for measuring channel quality indicator in wireless communication system
Provided are a method and an apparatus for measuring channel quality indicator in a wireless communication system. User equipment receives, from a base station, at least one of a cell-specific reference signal (CRS) which is cell-specifically transmitted and a channel state information reference signal (CSI RS). The user equipment also receives, from the base station, a demodulation reference signal (DMRS) which is user equipment-specifically transmitted in an enhanced physical downlink control channel (e-PDCCH) region constituted in a physical downlink shared channel (PDSCH) region. The terminal measures the CQI based on either at least one of the CRS and the CSI RS or the DMRS.
US09578524B2 Method, device and program for validation of sleeping cells in a communications network
A method for detecting a malfunction in a cell of a telecommunication network is disclosed. The cell is adapted to serve a plurality of user devices identified by user identities and to handle signaling and/or data traffic between the network and the user devices. A lack of traffic is detected in the cell. Further, at least one user identity which identifies a user device is selected. The selected user device is served by the cell. Then a paging message is sent to the user device which is identified by the at least one selected user identity. Finally the malfunction of the cell is validated in case no response message is sent by the user device to said paging message.
US09578517B2 Full spectrum sharing
Coordination of the use of radio resource between a first Radio Access Network (RAN) and a second RAN is provided, each RAN being configured to communicate over the same predefined bandwidth range. A first priority associated with traffic to be carried over the first RAN and a second priority associated with traffic to be carried over the second RAN are determined. A first portion of the radio resource comprising one or more first bandwidth segments is assigned to the first RAN and a second portion of the radio resource comprising a plurality of second bandwidth segments is assigned to the second RAN, based on the first and second priorities. The first portion is indicated to a first RAN scheduler and/or the second portion is indicated to a second RAN scheduler. At least one first bandwidth segment is assigned between two of the second bandwidth segments.
US09578514B2 Method, apparatus, and computer program product for enablement
Method, apparatus, and computer program product embodiments of the invention are disclosed for enablement employable, for example, in operation in TV white spaces. In an example embodiment of the invention, a method, comprises: receiving, at a master white space device, slave white space device enablement information, wherein said slave white space enablement information corresponds to a further master white space device enablement grant; performing decision, at the master white space device, with respect to one or more of: employment, in connection with the master white space device, of the further master white space device enablement grant; need for additional information; and need for database query; and determining to dispatch, from the master white space device, an indication regarding the decision.
US09578507B2 Managing hidden security features in user equipment
A device determines whether a PTT application is authenticated to access a first API and a second API, and prevents the PTT application from accessing the first and second APIs when the PTT application is not authenticated. The device permits the PTT application to access the first and second APIs when the PTT application is authenticated, and modifies, via the first API, a timer that dictates when the device checks for traffic received from a network. The device establishes, via the second API, a data connection with the network, and determines, based on the data connection, a QoS framework for the network. The device utilizes the PTT application and the timer to establish a PTT session with another device via the network, and prioritizes, based on the QoS framework, PTT traffic provided in the PTT session with the other device.
US09578502B2 Device authentication using inter-person message metadata
A device authentication server authenticates a remotely located device using unique data associated with the user of the device stored on a remotely located server that has an established relationship with the device, such as client logic installed on the device and authentication data of the user stored on the device. The unique data can be unique metadata associated with inter-person messages. Since each user receives and sends a unique collection of messages, the unique message meta-data associated with a user's account is, in aggregate, unique.
US09578500B1 Authentication via mobile telephone
A technology to authenticate a user is described. A mobile telephone number associated with a user identification is identified. A message including a confirmation telephone number for authorization is sent to a mobile telephone, and a mobile telephone reply is initiated to the confirmation telephone number from the mobile telephone number to authenticate the user identification.
US09578499B2 Authenticating user sessions based on information obtained from mobile devices
An online system determines whether a request for creating a session with the online system is suspicious. The online system associates a user account with a mobile key of a mobile device and geographical locations of the mobile device. The mobile key comprises unique identifier of the mobile device that is permanently stored on the mobile device. Upon receiving a request to create a session for the user account, the online system compares information associated with the user request with information describing the mobile device. For example, information associated with the user request can be a location determined by mapping internet protocol addresses obtained from the request. The online system determines whether the request is suspicious based on the comparison. If the online system determines that the request is suspicious, the online system may require enhanced authentication before granting the request.
US09578495B2 Handling impaired wireless connection in a communication system
A wireless communication system and related techniques and apparatuses are disclosed that predict future disconnections or other connection impairments with end-user portable devices in advance so that service interruptions can be handled more gracefully. The system can predict the loss of service based on user-usage information associated with the portable device, such as the current GPS location of the device, its direction and velocity of travel, a user calendar, user habits and other information, such as the time of day, weather conditions, or wireless network coverage maps. An impairment handling method is selected that alters the content presented by the portable device. The impairment handling method is executed by the system upon detecting the impairment of the wireless connection so that the content is altered during occurrence of the impairment. The alteration of the content is done to mitigate the user-perceived effect of the impairment.
US09578494B2 Method and apparatus for allocating IP address in wireless communication network
A method and apparatus allocates an IP address between terminals in a wireless communication network in which terminals directly communicate with each other in a wireless scheme without an AP. The method for allocating an Internet Protocol (IP) address of a wireless terminal capable of performing P2P communication, includes a discovery step of discovering at least one external terminal capable of performing the P2P communication and connecting with the at least one discovered external terminal by the wireless terminal; and a negotiation step of negotiating and determining with the external terminal which external terminals become a group owner and a group client in a P2P group, respectively by the wireless terminal. One of the discovery step and the negotiation step includes transmitting an IP address to be allocated to the group client to the external terminal from the wireless terminal.
US09578492B2 Secure mechanism to deliver mobile traffic management configuration upon stub activation on a mobile device of a global service discovery server
A network is provided that includes a mobile device and a configurable stub having a stub configuration embedded in the mobile device non-transitory memory. An operating server has an operating server processor and the operating server is configured to send Short Messaging Service (SMS) messages. A processor controlled global service discovery server is configured to receive the stub configuration and to inform the mobile device about the operating server.
US09578491B2 Transmission management system and transmission system
A disclosed transmission management system includes a receiver unit to receive alteration information for altering a communication status of a first transmission terminal from the first transmission terminal that communicates with a second transmission terminal to exchange content data, a terminal management unit to manage first status information indicating the communication status of the first transmission terminal, an acquisition unit to acquire the first status information from the terminal management unit in a case where the receiver unit receives the alteration information for altering the communication status of the first transmission terminal, and an alteration unit to alter the first status information managed by the terminal management unit, based on the alteration information for altering the communication status of the first transmission terminal received by the receiver unit and the first status information acquired by the acquisition unit.
US09578490B2 Method and system for updating electronic business cards
A method for updating electronic business cards (VCards). A receiving terminal which is to synchronize a VCard with a sending terminal is determined. It is determined whether there is an update of a VCard in the sending terminal. If there is an update, the sending terminal sends an updated VCard to the receiving terminal or instructs a third party device to send the updated VCard to the receiving terminal. The receiving terminal receives the updated VCard, and updates a VCard stored in the receiving terminal using the updated VCard.
US09578489B2 Distributing subscriber data in a mobile data network
A mobile data network supports making subscriber data addressable as devices in a mobile data network. Each data chunk is assigned a device address in the mobile data network. The data chunk can then be addressed as a device in the mobile data network. Data chunks corresponding to a subscriber are distributed across multiple devices in the mobile data network. The location of the subscriber's data chunks is tracked by the subscriber's mobile device and also by a tracking table in the mobile data network.
US09578483B2 Terahertz wireless communications-based method and system for data transmission
A first terahertz storage device and a second terahertz storage device may be placed within an effective distance to each other, and, by connection and pairing between the first terahertz storage device and the second terahertz storage device, data in the first terahertz storage device may be transmitted to the second terahertz storage device via a terahertz wireless signal. Accordingly, rapid and secure transmission of data is facilitated between two storage devices. Transmission and exchange of data is, thereby, facilitated in a scenario in which a transmission medium cannot be released.
US09578474B2 Method and apparatus for content presentation in association with a telephone call
A method and apparatus are provided for presenting content to a caller and/or a called party in association with a telephone call or other communication connection. Content may be presented pre-ring (before the called party's telephone rings), in-call, and/or post-call. Content presented to a party may be related to another party participating in the call or may be related to a third party. Presented content may be actuable, and allow a caller to change the destination of a call, take advantage of an offer presented to him, redeem a coupon, schedule or queue a subsequent call, etc. To find a desired destination party, a caller may initiate a manual or automatic search of his local contacts (on his telephone) and/or a central or global directory or contact list. Presentation of specified content may include assisted sharing, wherein both parties view the same content and one guides or assists the other.
US09578473B1 Dynamic subscription selection for energy efficient commercial mobile alert system/earthquake tsunami warning system (CMAS/ETWS) reception
A method for selecting a subscription to receive cell broadcast service (CBS) messages for a multi-subscriber identity module (SIM) mobile communication device may include: camping on a first communication network with a first subscription; camping on a second communication network with a second subscription; determining whether system information blocks (SIBs) received on the first subscription and the second subscription contain information elements including one or more parameters that define a broadcast multicast control (BMC) scheduling message (SM) period; in response to determining that the SIBs received on at least one of the first subscription and the second subscription contain the information elements including the one or more parameters defining the BMC SM period, selecting the one of the first subscription and the second subscription associated with the SIBs containing the information elements to receive the CBS messages.
US09578466B2 Method for indoor localization using nomadic access points
A method for indoor localization using nomadic access points, comprising the following steps: a target object transmits a modulated signal over wireless channels to nearby access points, wherein the access points include both static access points and nomadic access points; the access points measure channel state information via the signal from the target object, after that, the static access points export the channel state information to a server, the nomadic wireless access point report the channel state information along with their coordinates of the current sites to the server; and based on the channel state information, the server determines the target object's relative proximity to two arbitrary access points, then based on the result of the relative proximity determination and the coordinates, the server estimates a feasible region for the target object with a space partition-based algorithm.
US09578464B2 Determining location of a device in a MIMO network using multipath component evaluation
The invention is directed to systems, methods and computer program products for determining a location of a device on a massive MIMO (multiple-input multiple-output) network. The device transmits a signal comprising several multipath components (MPCs) either omnidirectionally or with limited directivity. The method comprising identifying, by a base station, that receives MPCs, an MPC with a figure of merit, based on a time delay and an angular spread, better than that of other MPCs; determining, by the base station, an angle of arrival (AoA) of the MPC is different from the AoAs of the other MPCs; and determining, by the base station, a location of the device based on the time delay and the AoA.
US09578460B2 Determining if a target device is collocated with other devices in a user's contacts list using movement vectors
A method to determine whether a target device is collocated with at least one other device within a plurality of devices associated with a user's contact list is provided. The method may include determining location information for each of the plurality of mobile devices associated with the user's contact list. The method may also include selecting a target device within the plurality of devices. The method may further include determining, based on the location information, whether the selected target device is collocated with the at least one other device within the plurality of devices. Additionally, the method may include displaying the at least one other collocated device to the user. The method may also include determining if the at least one other collocated device is selected by the user. The method may include connecting the target device and the selected at least one other collocated device to the user's device.
US09578457B2 Privacy-based device location proximity
A server may receive a query from a query device. The query may include an identifier that identifies a user device, information regarding a geographic radius, and information regarding a geographic position. The server may determine a first proximity area based on the geographic radius and the geographic position indicated by the query. The server may determine a second proximity area that represents an area in which the user device may be included. The server may determine a value that indicates a likelihood that the first proximity area is within the second proximity area. The server may provide information to the query device indicating the value.
US09578455B2 Method and apparatus for dynamic position reporting rate determination
A system includes a processor configured to receive a geo-fence definition defining a geographic perimeter or point. The processor is also configured to receive a vehicle location. Further, the processor is configured to determine a distance from the vehicle location to a most proximate geo-fence point and determine a reporting-rate that varies based on proximity to the geo-fence. The processor is also configured to report a vehicle location at intervals defined by the reporting-rate.
US09578453B2 Method of sending destination and current locations from a mobile device to a central viewing location
A method of transmitting a destination along with the user's current location to a central viewing site allowing the user set or change their travel plan while they are on their trip and minimize bandwidth use on expensive or slow networks. A byproduct of this method is the transmission device can record the detailed path traveled by the user while transmitting enough user locations to give the viewer at the central viewing site a good indication of where the user has been. The detailed route traveled by the user is uploaded to the central viewing site when the transmission device is connected to a faster or less expensive network.
US09578450B2 Short-range communication device with sender and receiver
The invention relates to a process to check the pairing of a Bluetooth Low Energy (BLE) transmitter with a BLE receiver, comprising the following steps: Transmitting to the BLE transmitter of a function for generating a sequence of data packets, each data packet generated in accordance with the function having at least one identification value, one major value, and/or one minor value, and at least two data packets of the sequence having different identification values, major values, and/or minor values; Sending, at intervals, by the BLE transmitter of the data packets of at least one sequence generated by the BLE transmitter in accordance with the function; Receiving, by the BLE receiver, of at least part of the sequence of data packets transmitted by the BLE transmitter; Checking, by the BLE receiver, of at least part of the received sequence for whether it correlates and/or agrees with the function; and, if it does correlate and/or agree; Generating by the BLE receiver of a pairing signal for the BLE transmitter.
US09578448B2 Communication apparatus, control method therefor, and storage medium
An operation for an operation unit is detected. If the operation is detected and a communication unit executes close proximity wireless communication with an external apparatus, a confirmation screen for confirming execution of processing corresponding to the operation for the operation unit is displayed.
US09578446B2 Method as well as system for wireless data transmission
A method for wireless data transmission between first and second transmission participants, wherein for wireless data transmission between the first and second participants alternately a first protocol and a second protocol are used, wherein the first protocol serves for unidirectional data transmission and the second protocol for bidirectional data transmission.
US09578445B2 Systems and methods to synchronize data to a mobile device based on a device usage context
A method, system, and computer-readable medium for synchronizing policy data on a device based on device usage context. By synchronizing policy data on the device based on device usage context, security, bandwidth and energy efficiency concerns associated with the current data synchronization art by intelligently organizing and prioritizing the updating of policy data in compliance with policy data.
US09578444B1 Automatic switching system and method for smart switch
An automatic switching method for a smart switch is implemented in an automatic switching system having a mobile device, a wireless station, a CPnP server and at least one match switch. The method includes steps of: developing match data for establishing relationship between the mobile device and the matching switch in the CPnP server; and establishing a connection between the mobile device and the match switch by a user operation to control the match switch. When the mobile device is within wireless signal range of the wireless station to be connected with the match switch via the wireless station, the mobile device controls the match switch through the wireless station. When the mobile device is located outside the wireless signal range of the wireless station to be connected with the match switch via the CPnP server, the mobile device controls the match switch via the CPnP server.
US09578440B2 Method for controlling a speaker array to provide spatialized, localized, and binaural virtual surround sound
A signal processing method and system are provided for delivering spatialized sound using highly optimized inverse filters to deliver narrow localized beams of sound from the included speaker array. The inventive method can be used to provide private listening areas in a public space and provide spatialization of source material for individual users to create a virtual 3D audio effect. In a binaural mode, a speaker array provides two targeted beams aimed towards the primary user's ears—one discrete beam for the left ear and one discrete beam for the right ear.
US09578439B2 Method, system and article of manufacture for processing spatial audio
Techniques for processing directionally-encoded audio to account for spatial characteristics of a listener playback environment are disclosed. The directionally-encoded audio data includes spatial information indicative of one or more directions of sound sources in an audio scene. The audio data is modified based on input data identifying the spatial characteristics of the playback environment. The spatial characteristics may correspond to actual loudspeaker locations in the playback environment. The directionally-encoded audio may also be processed to permit focusing/defocusing on sound sources or particular directions in an audio scene. The disclosed techniques may allow a recorded audio scene to be more accurately reproduced at playback time, regardless of the output loudspeaker setup. Another advantage is that a user may dynamically configure audio data so that it better conforms to the user's particular loudspeaker layouts and/or the user's desired focus on particular subjects or areas in an audio scene.
US09578436B2 Content-aware audio modes
An audio system for manipulating audio material for playback based on the content of the material includes an input for receiving input audio signals, an output for providing output audio signals to loudspeakers, and an audio processor that processes the input audio signals to produce the output audio signals. The audio processor determines a type of content represented by the input audio signals, selects a set of processing instructions to control the spatial presentation of the audio material based on the determined type, and applies the selected set of processing instructions to the input audio signals.
US09578434B2 Method for making diaphragm
A method for making a diaphragm is disclosed. The method includes the steps of: providing a carbon nanotube film structure; soaking the carbon nanotube film structure with a polymer; and carbonizing the carbon nanotube film structure infiltrated in the polymer, the polymer being carbonized to an amorphous carbon structure.
US09578432B1 Metric and tool to evaluate secondary path design in adaptive noise cancellation systems
The present invention provides a system and method encompassing a new metric and MATLAB tool box that phone makers may use to improve the design of the secondary path, in order to improve ANC performance. The metric measures how invertible the secondary path is and then evaluates ANC performance at a worst case scenario where P(z)=1 and W(z) becomes a complete predictor. The invention can be easily extended to a multi-channel ANC system.
US09578431B2 Audio output apparatus capable of controlling temperature of voice coil and method thereof
An audio output apparatus and a method are provided, which includes calculating a temperature value of a voice coil of the audio output apparatus using a heat transfer model algorithm, in response to power being supplied to the voice coil; adjusting an output level of an audio signal by determining a gain value to adjust the output level of the audio signal according to the calculated voice coil temperature value, and outputting the audio signal with the adjusted output level.
US09578430B2 Hearing aid
A hearing aid includes: a receiver having a side face with a sound outlet, and wherein a primary direction of the sound outlet is perpendicular to the side face; a hearing aid housing having an outer surface and an internal cavity configured for containing the receiver; a filter socket coupled to the hearing aid housing; and a filter releasably attached to the filter socket; wherein the filter socket defines a direction of detachment of the filter from the filter socket, and wherein the direction of detachment is arranged obliquely with respect to the primary direction of the sound outlet.
US09578429B2 Support mount for electronic components
For the cushioned support of electronic components in a mounting enclosure of a miniaturized electronic device, an elastic and/or flexible retaining element (15) with inward-protruding support sections (17) extends along at least parts of the inner wall of the mounting enclosure (3), serving to position, support and retain the component (1).
US09578428B2 Hearing aid system and a microphone device
A hearing aid system comprising a microphone device for wireless communication with a hearing aid to be worn at or in proximity to a first user, the microphone device configured to be worn at or in proximity to a second user, the microphone device includes: a housing; a microphone for conversion of an acoustic sound signal into an electrical signal; a transceiver for wireless radio frequency communication; a first antenna connectable to the transceiver; and a second antenna connectable to the transceiver; wherein the first antenna is accommodated within the housing; and wherein the second antenna is external to the housing such that the second antenna can be carried at or in proximity to the second user at a distance from the housing; and wherein the microphone device further comprises a distributor for distributing power to the first antenna, to the second antenna, or to both.
US09578425B2 Electric switching device
An electric switching device for an implantable hearing aid is disclosed. The device automatically, directly or indirectly activates the power consumption for an implantable hearing aid when an outer sound processor is installed on the patient and turns off/reduces the power consumption when the sound processor is removed.
US09578424B2 Frequency modulated microphone system
Systems and methods of sensing audio with a MEMS microphone that modulates a frequency of a phase-locked loop. The MEMS microphone includes a movable electrode and a stationary electrode. The movable electrode is configured such that acoustic pressures acting on the movable electrode cause movement of the movable electrode. A voltage-controlled oscillator of the phase-locked loop is coupled to the MEMS microphone and receives a control signal. The voltage-controlled oscillator also generates an oscillating signal based on the control signal and a capacitance between the movable electrode and the stationary electrode. A phase detector of the phase-locked loop receives and determines a phase difference between the oscillating signal and a reference signal. The phase detector further generates the control signal based on the phase difference. A controller is configured to receive the control signal and determine an audio signal based on the control signal.
US09578423B2 Electronic device and sound capturing method
An electronic device and a sound capturing method are described. The electronic device includes at least one first bone conducting unit, which is operable to detect vibration produced by an object in contact with the first bone conducting unit, and to generate an alternating current signal based on the detected vibration to capture a sound produced by the vibration; and a processing unit, which is operable to receive the alternating current signal and to perform an audio processing on the alternating current signal.
US09578422B2 Microphone capable of actively counteracting noise attributed to undesired vibration
A microphone includes a capsule module including a carrier, a primary transducer unit and a secondary transducer unit. The carrier includes a hollow part mounted to a handle unit, and first and second carrier parts extending oppositely from the hollow part. The primary transducer unit is mounted to the first carrier part, and converts sound waves and vibration into a primary electrical signal a first secondary electrical signal, respectively. The secondary transducer unit is mounted to the second carrier part, and converts the vibration into a second secondary electrical signal for counteracting the first secondary electrical signal. The secondary transducer unit includes a diaphragm disposed within an airtight space.
US09578421B2 Miniature speaker
A vibration unit of a miniature speaker is disclosed that the vibration unit has a diaphragm, a voice coil driving the diaphragm along a vibration direction, and a support around which the voice coil is wound. The support includes a base attached to the diaphragm, and a number of sidewalls each extending from a bound of the base along the vibration direction to a distal end thus forming an edge connecting the distal end and the bound. The support further includes a number of smooth corners formed at the edges of the sidewalls. For forming the smooth corners, each of the sidewalls includes two flanges extending from two edges for protecting the voice coil from being cut broken.
US09578418B2 System and method for controlling output of multiple audio output devices
Multiple audio output devices are individually triggered to generate an acoustic identification signal. A controller device can perform a comparison of the acoustic identification signal from each of the multiple audio output devices. The output from one or multiple audio output devices is controlled based on the comparison.
US09578417B2 Systems and methods for detection of load impedance of a transducer device coupled to an audio device
In accordance with systems and methods of the present disclosure, an audio device may include an electrical terminal, an audio circuit, and a transducer load detection circuit. The electrical terminal may couple a transducer device to the audio device. The audio circuit may generate an analog audio signal, wherein the analog audio signal is coupled to the electrical terminal. The transducer load detection circuit may detect a load impedance of the transducer device when the transducer device is coupled to the audio device from characteristics measured at the electrical terminal.
US09578415B1 Hybrid adaptive noise cancellation system with filtered error microphone signal
In accordance with systems and methods of the present disclosure, an adaptive noise cancellation system may include an alignment filter configured to correct misalignment of a reference microphone signal and an error microphone signal by generating a misalignment correction signal.
US09578412B2 Mass loaded earbud with vent chamber
Intra-concha earphones are disclosed. In an embodiment, an intra-concha earphone includes a housing having a rear space divided into a back volume, a bass duct, and a vent chamber between a driver and a rear wall. The vent chamber may be acoustically coupled with the back volume through both an acoustic port and the bass duct. Furthermore, the vent chamber may be acoustically coupled with a surrounding environment through a vent port, which may be a sole acoustic opening in the rear wall. Thus, sound emitted by the driver may propagate through the acoustic port and the bass duct to meet in the vent chamber before being discharged through the vent port to the surrounding environment. Other embodiments are also described and claimed.
US09578408B2 Headphone device
A headphone device includes a sound outputting part and a sensor. The sound outputting part includes a case, a main board, a driving unit, a baffle plate and an ear pad. The sensor is installed on the baffle plate, uncovered by the ear pad and connected with the main board. If the human ear is sensed by the sensor, the main board judges that the headphone device is worn by the user. If the human ear is not sensed by the sensor, the main board judges that the headphone device is not worn by the user. According to the result of judging whether the headphone device is worn by the user, the playback of the audio content of an electronic device connected with the headphone device is correspondingly controlled.
US09578406B2 Acoustic device
The disclosed acoustic device includes a holder 60 that has one end abutting the inside of an inferior antihelix crus and other end abutting a depression between a tragus and an antitragus of a user's ear and a vibrator 10 that is held by the holder 60 and, based on an audio signal, expands and contracts in a direction intersecting a direction of connecting the one end and the other end, and by the expansion and the contraction, causes the ear to vibrate.
US09578402B2 Waterproof sound-transmitting membrane, sound-transmitting member, and electrical device
A waterproof sound-transmitting membrane (1) of the present invention includes a porous membrane (11) containing polytetrafluoroethylene as a main component and a supporting member (12) that supports the porous membrane (11). The supporting member (12) is joined to the porous membrane (11) placed thereon and is not subjected to stretching after the porous membrane (11) is placed thereon. The supporting member (12) is a mesh or a net having a fiber diameter of 45 to 60 μm and an opening size of 700 to 1100 μm across the supporting member (12). The waterproof sound-transmitting membrane (1) has a water entry pressure of 20 kPa or more as measured according to the method B (high hydraulic pressure method) of JIS L 1092.
US09578400B2 Network controller, a multi-fabric shelf and, a method of processing traffic in a transport network
A network element of a transport network has three fabrics housed within a single shelf of a telco rack, namely a packet fabric, an electrical fabric and an optical fabric. A stream of traffic including a plurality of lambdas is received at a trunk interface of such a shelf. The optical fabric in the shelf performs optical switching on the stream to replace a first lambda in the stream with a second lambda. The first lambda is converted within the shelf into an electrical signal. Also within the shelf, first frames are recovered from the electrical signal. The packet fabric in the shelf is used to perform packet switching on the first frames to generate a flow of second frames. The flow of second frames is transmitted at a client interface of the shelf.
US09578394B2 Video signature creation and matching
In one embodiment, a system includes a processor to retrieve, from a memory, data of a video frame, the data including measurements of luminance, each of the measurements of luminance being associated with a different entry in a matrix, calculate a weighted average luminance value Ly for the measurements of luminance weighted according to a row position of the one measurement of luminance in the matrix, calculate a weighted average luminance value Lx for the measurements of luminance weighted according to a column position of the one measurement of luminance in the matrix, and create a video signature, S0, of the video frame, the video signature, S0, including the weighted average luminance value Ly and the weighted average luminance value Lx. Related apparatus and methods are also described.
US09578392B2 Second screen plot info function
Systems for, and methods of, displaying video information comprising: a second screen device obtaining current play position data of a video being played on a primary screen device (e.g., obtaining from the primary screen device an identification of a current play position of the video, or obtaining information to generate an acoustic fingerprint of the video); determining a current play position of the video playing on the primary screen device based upon the current play position data (e.g., identification of the current play position or the acoustic fingerprint); downloading information (e.g., video map, subtitles, moral principles, objectionable content, memorable content, performers, geographical maps, shopping, plot point, item, ratings, and trivia information) over a computer communications network into the memory of the second screen device; and displaying information on the second screen device synchronized with the contemporaneously played video on the primary screen device.
US09578391B2 Apparatus and method for processing an interactive service
A method of processing an interactive service and an apparatus thereof are disclosed. The present invention includes sending a discovery message to a second screen application running in a second device, wherein the discovery message advertises second screen support services that the first device can provide, receiving a request for descriptions of the second screen support services from the second screen application, sending a response with the descriptions to the second screen application, providing a HTTP proxy server using a HTTP proxy server service allowing the second device to access files that are received by the first device in a broadcast stream, wherein the HTTP proxy server service is one of the second screen support services, receiving the files from the broadcast stream and delivering the files to the second device via the HTTP proxy server.
US09578389B2 Method of targeted ad insertion using HTTP live streaming protocol
A content delivery system and method that receives a request for a content stream that includes splice points. The method receives a playlist that includes an ordered list of media segment files that represent the content stream, and splice point tags, where generation of the media segment files aligns segment boundaries with the splice points in the content stream, and where each splice point tag is in a location in the playlist that corresponds to the position of one of the splice points in the content stream. The method identifies an insertion position in the playlist based on the location of the splice point tags, selects an advertisement segment, inserts the advertisement segment at the insertion position to create a modified playlist, removes the splice point tags from the modified playlist, and sends the modified playlist to the video display device.
US09578386B2 Methods and apparatus to provide messages to television users
Methods and apparatus to provide messages to consumer electronics devices are disclosed. In response to a request from a consumer electronics device for messaging information stored with at least one of a first message provider or a second message provider, determining, with a processor of a mediation system, an identifier associated with the consumer electronics device. Querying, with the processor, a database at the mediation system to determine first and second account identifiers associated with the identifier of the consumer electronics device. When the request is for the messaging information stored with the first message provider, sending, with the processor, a first command to cause the first message provider to forward the messaging information associated with the first message account identifier to the mediation system. When the request is for the messaging information stored with the second message provider, sending, with the processor, a second command to cause the second message provider to forward the messaging information associated with the second message account identifier to the mediation system. Sending, with the processor, the messaging information received from at least one of the first message provider or the second message provider to the consumer electronics device.
US09578383B2 Method and apparatus for communicating electronic service guide information in a satellite television system
Aspects of a method and apparatus for communicating electronic service guide information in a satellite television system are provided. A satellite communication system may receive a signal via an interface to a satellite dish, and receive data from a network via a second interface (e.g., an interface to a LAN or a WAN, such as the Internet). The satellite communication system may be operable to channelize the received satellite signal into a plurality of channels, wherein a first channel of the plurality of channels carries electronic service guide (ESG) data. The satellite communication system may select which of the plurality of channels to input to a demodulator based, at least in part, on whether ESG data is available via the second interface. A second channel carrying media data may be input to the demodulator while the ESG data is available via the second interface.
US09578379B1 Scene-by-scene viewer ratings
Systems and methods are described herein for identifying media assets. A media guidance application may receive a first user rating for a first portion of a first media asset and a second user rating for a second portion of the first media asset. Each of the first portion and the second portion of the first media asset may be associated with metadata. The media guidance application may determine whether the second user rating is higher than the first user rating. The media guidance application may also determine a property of the first media asset determining a property of the first media asset based on the first metadata and the second metadata. In response to determining that the second user rating is higher than the first user rating, the media guidance application may identify a second media asset that is associated with the property of the first media asset.
US09578374B1 DVR playlist provisioning system
A system is provided for the provision of DVR playlists. DVR playlists allow for consumers to manage the availability, arrangement, and type of content to be provided from a DVR such that content items are intelligently added, arranged, played back, and deleted via the DVR playlist. Aspects of the system allow playlists to be created by the system, by the consumer, and in co-operation between the system and the consumer. Content items may also be provisioned, such that a DVR playlist limits playback, while still providing variety and consumer choice. Aspects of the system allow for various seed attributes to affect which content items are automatically chosen to comprise the DVR playlist. Content items may be shared amongst user accounts under a subscriber account so that space on a DVR is more efficiently provisioned.
US09578371B2 Digital multimedia recorder with functionality following loss of provider network service
A network addressable appliance with digital multimedia recording capabilities has limited access including playback of stored multimedia content upon faulty connection with a service provider network. Upon a connectivity event, the network addressable appliance compares a retrieved hardware address for a connected residential gateway to a stored hardware address for an assigned residential gateway. If the two hardware addresses correspond, the network addressable appliance provides playback to stored multimedia content. The system helps prevent violations of digital rights management rules by restricting access to stored multimedia content while the network addressable appliance is connected to an unauthorized residential gateway. The system provides a user with limited access (i.e. playback) to multimedia content during service provider network outages.
US09578365B2 High quality video sharing systems
A video sharing method for automatic video recording and for sharing recorded videos, comprising: registering specialized equipment and users; accepting and storing video files and music files; building searchable databases of uploaded video and music files; accepting user requests; selecting a music file; playing video files accompanied with the selected music file; and soliciting and accepting user feedback. A system plays video files at a user's request accompanied with music clips if desired.
US09578362B1 Channel change server allocation
A method includes determining, at a server, channel change (cc) bias factors associated with a time slot. The method includes sending a request for cc server data to a network device. The request includes the time slot and data corresponding to the cc bias factors. The method includes receiving the cc server data, where the cc server data identifies a set of times during the time slot and an estimated number of active cc servers of a plurality of cc servers for each time of set of times. The method also includes, before a particular time indicated in the set of times and in response to a current number of active cc servers being different than the estimated number of active cc servers for the particular time, adjusting a number of active cc servers of the plurality of cc servers to the estimated number of active cc servers.
US09578361B2 Methods, apparatus and articles of manufacture to estimate local market audiences of media content
Example methods, apparatus and articles of manufacture to estimate local market audiences of media are disclosed herein. Disclosed example methods include accessing set-top box return path tuning data obtained from a plurality of set-top boxes located in a first geographic area. Disclosed example methods also include determining a ratio of (1) a first audience metric determined from audience measurement data associated with a second geographic area different from the first geographic area to (2) a second audience metric determined from a portion of the audience measurement data identified to be associated with monitored sites in the second geographic area having second set-top box characteristics that correspond with first set-top box characteristics of the set-top boxes located in the first geographic area. Disclosed example methods further include processing the set-top box return path tuning data based on the ratio to determine an audience exposure metric in the first geographic area.
US09578357B2 Trending analysis, notification, and control in a network
A data analyzer engine receives content consumption feedback associated with multiple subscribers in a cable network environment. In accordance with one embodiment, the data analyzer engine provides notification of popularly consumed content. In accordance with another embodiment, the data analyzer engine generates control information to control content consumption by one or more devices in the cable network environment.
US09578356B1 Live video matching method and system
A live video matching system provides a matching service between a video demander and a video provider. An orchestration module of the system dynamically adjusts live services provided by SDN edge devices according to network available resources. An SDN edge device of the system dynamically converts and integrates multiple video streams to generate a virtual channel based on results of matching within multiple requests for videos and provides live video channels for interested users.
US09578354B2 Decoupled slicing and encoding of media content
A method and system for decoupling slicing and encoding of media content is described.
US09578350B2 System and method for modifying media content from a display venue
A venue display system has a server that communicates with a box and includes a processor. A content server is part of a screen management system (SMS). A venue display management system, a digital projector, and a storage device are provided. The system provides a timeline of media content to be triggered.
US09578348B2 Method for inducing a merge candidate block and device using same
The present invention relates to a method for inducing a merge candidate block and a device using same. An image decoding method involves decoding motion estimation region (MER) related information; determining whether or not a predicted target block and a spatial merge candidate block are included in the same MER; and determining the spatial merge candidate block to be an unavailable merge candidate block when the predicted target block and the spatial merge candidate block are included in the same MER. Accordingly, by parallely performing the method for inducing a merge candidate, parallel processing is enabled and the computation amount and implementation complexity are reduced.
US09578345B2 Model-based video encoding and decoding
A model-based compression codec applies higher-level modeling to produce better predictions than can be found through conventional block-based motion estimation and compensation. Computer-vision-based feature and object detection algorithms identify regions of interest throughout the video datacube. The detected features and objects are modeled with a compact set of parameters, and similar feature/object instances are associated across frames. Associated features/objects are formed into tracks and related to specific blocks of video data to be encoded. The tracking information is used to produce model-based predictions for those blocks of data, enabling more efficient navigation of the prediction search space than is typically achievable through conventional motion estimation methods. A hybrid framework enables modeling of data at multiple fidelities and selects the appropriate level of modeling for each portion of video data.
US09578343B2 Scalable video encoder/decoder with drift control
A system, method and computer-readable media are introduced that relate to data coding and decoding. A computing device encodes received data such as video data into a base layer of compressed video and an enhancement layer of compressed video. The computing device controls drift introduced into the base layer of the compressed video. The computing device, such as a scalable video coder, allows drift bay predicting the base layer from the enhancement layer information. The amount of drift is managed to improve overall compression efficiency.
US09578326B2 Low-delay video buffering in video coding
As one example, a method of coding video data includes storing one or more decoding units of video data in a picture buffer. The method further includes obtaining a respective buffer removal time for the one or more decoding units, wherein obtaining the respective buffer removal time comprises receiving a respective signaled value indicative of the respective buffer removal time for at least one of the decoding units. The method further includes removing the decoding units from the picture buffer in accordance with the obtained buffer removal time for each of the decoding units. The method further includes coding video data corresponding to the removed decoding units, wherein coding the video data comprises decoding the at least one of the decoding units.
US09578322B2 Digital video pixel tester
Presented is a system and method for testing a digital video distribution environment. A digital video signal generator transmits a reference video bit stream to a distribution path. A digital video signal analyzer receives a test video bit stream from the distribution path. The digital video signal analyzer generates a diagnostic video bit stream as a function of the reference video bit stream and the test video bit stream.
US09578321B2 Video quality measurement
This invention is concerned with a video quality measurement method, in particular where the video signal having: an original form; an encoded form in which video signal has been encoded using a compression algorithm utilizing a variable quantizer step size such that the encoded signal includes a quantizer step size parameter; and, a decoded form in which the encoded video signal has been at least in part reconverted to the original form. The method comprises the steps of: a) generating a first quality measure which is a function of said quantizer step size parameter; b) generating a masking measure and c) combining the first and second measures. The masking measure is which is a function of the spatial complexity of parts of the frames represented by the video signal in the decoded form, these parts being selected by generating a second measure which is a function of the prediction residual and identifying one or more regions of the picture for which the second measure exceeds a threshold.
US09578319B2 Transmission variable delay and jitter indication
Various methods and systems are provided for transmission variable delay and jitter indication. In one example, a method includes determining a variable delay reference (VDR) corresponding to an instantaneous jitter between an idealized transmission time associated with a packet for transmission in a transmission stream and an actual transmission time of the packet and providing the VDR to a receiver in a sub-header of the packet. In another example, a transmitter includes a MAC configured to include a VDR in a sub-header of a packet for transmission in a transmission stream and a PHY configured to transmit the packet including the VDR in the transmission stream. In another example, a method includes receiving a packet in a transmission stream; extracting a program clock reference (PCR) and a VDR from the packet information; and controlling timing of processing of the packet based upon the PCR and VDR.
US09578318B2 Imaging structure emitter calibration
In embodiments of imaging structure emitter calibration, an imaging unit includes an emitter structure that direct emits light, and optics direct the light along a light path in the imaging unit to illuminate a projection surface. A reflective panel reflects a portion of the light to illuminate a light sensor. An imaging application receives the sensor data from the light sensor, where the sensor data corresponds to emitted light output from the emitter structure. The imaging application can then initiate a calibration input to the emitter structure to adjust the emitted light output from the emitter structure.
US09578315B2 Method and system for judging in a 3D imaging environment
A method for judging in a 3D environment includes: receiving a first image and a second image of a displayed 3D image, the first image being captured without the aid of 3D glasses, the second image being captured with the 3D glasses arranged in front of an image capturing unit; processing each of the first and second images so as to obtain a respective one of a processed first image and a processed second image; and determining whether a number of enclosed areas contained in the processed first image is equal to a predetermined value, and whether a number of enclosed areas contained in the processed second image is equal to another predetermined value. The 3D environment is normal when results of determinations are affirmative.
US09578310B2 Automatic scene calibration
Described herein is a method of calibrating a three-dimensional imaging system. During calibration, a position and an orientation of the three-dimensional imaging system is determined with respect to a first parameter comprising a real world vertical direction (Vw) and to a second parameter comprising an origin of a three-dimensional scene captured by the imaging system. The first and second parameters are used to derive a calibration matrix (MC2w) which is used to convert measurements from a virtual coordinate system (Mc) of the three-dimensional imaging system into a real coordinate system (Mw) related to the real world. The calibration matrix (MC2w) is used to rectify measurements prior to signal processing. An inverse calibration matrix (Mw2c) is also determined. Continuous monitoring and adjustment of the setup of the three-dimensional imaging system is carried out and the calibration matrix (Mc2w) and its inverse (Mw2c) are adjusted accordingly.
US09578308B2 Method and apparatus for low cost 3D video making
Video capture devices may be held in a frame having at least two openings and a plurality of slots on a first side and a plurality of tabs on a second side opposite the first side, the slots and tabs positioned such that when the frame is folded by folding the first side toward the second side, the tabs may be folded toward the first side, inserted into the slots and then folded parallel to the first side to secure the frame in a closed position. An application on a first device in the frame may establish a connection with a second device in the frame, synchronize a clock in the first device with a clock in the second device, initiating simultaneous video capture, record data indicating changes in orientation of the devices, and transmit the captured videos and the data indicating changes in orientation to a video processing tool.
US09578303B2 Image processing system, image processing apparatus, and image processing method for displaying a scale on a stereoscopic display device
According to one embodiment, an image processing system includes an acquisition unit, a determination unit, and an output unit. The acquisition unit acquires a rendering condition used for generating a parallax image group from volume data. The determination unit sets corresponding information for causing a space coordinate of a stereoscopic image viewed stereoscopically by referring to a stereoscopic display device that displays the parallax image group to correspond to a space coordinate of a captured site in the volume data based on the rendering condition and a display size and determines a scale for converting a length in a space of the stereoscopic image into a length in a space of the captured site based on the corresponding information. The output unit performs output control such that the scale is displayed.
US09578301B2 Apparatus and method for detecting a temporal synchronization mismatch between a first and a second video stream of a 3D video content
A video processing apparatus and a method for detecting a temporal synchronization mismatch between at least a first and a second video stream of a stereoscopic video content are described. An eye blink of a creature that is imaged in the video content is detected. The temporal synchronization mismatch is determined by determination of a temporal offset between the reproduction of an eye blink in the first video stream and the reproduction of said eye blink in the second video stream.
US09578300B2 Method and apparatus for processing edge violation phenomenon in multi-view 3DTV service
A method for receiving a 3D image broadcast signal for processing edge violation in a multi-view 3D image comprises the steps of: receiving a broadcast signal for broadcasting the multi-view 3D image; decoding from the received broadcast signal first left image data and first right image data which is included in a 3D image of a first view; parsing from the received broadcast signal 3D image processing information; generating second left image data and/or second right image data which is included in a 3D image of a second view, by using the first left image data, the first right image data, and the 3D image processing information; parsing 3D edge violation area detection function information included in the 3D image processing data; and handling edge violation of the area by using the 3D edge violation area detection function information.
US09578298B2 Method for decoding 2D-compatible stereoscopic video flows
A method for processing a video stream of digital images includes: receiving the video stream which includes at least one composite frame containing a pair of stereoscopic digital images according to a predetermined packing format; receiving metadata which describes the format of the composite frame; generating an output video stream which can be reproduced on a visualization device, wherein the method further includes the steps of determining the area in the composite frame which is occupied by one image of the stereoscopic pair within the composite frame based on the metadata; extracting the image contained in the area from the composite frame, and generating an output frame containing the extracted image.
US09578297B2 Video signal transmission method, device, system and terminal
The invention relates to the art of communications and particularly to a video signal transmission method, apparatus, system and terminal, where the method includes: separating a current raw digital video signal acquired by a video camera core into a luminance signal and a chrominance signal; converting the luminance signal and the chrominance signal into an analog video signal; transmitting the analog video signal to a master control chip board through an electrically-conductive slip ring; and converting the analog video signal back into the current raw digital video signal in the master control chip board. With the video signal transmission method, apparatus, system and terminal according to embodiments of the invention, the integrity of the transmitted video signal can be improved to thereby guarantee the quality of the video signal.
US09578292B2 Device and method for transmitting/receiving a packet in communication system
The present invention relates to a device and method for transmitting/receiving a packet in a communication system. The present invention includes: the processes of determining at least one MPEG media transport (MMT) asset protected by an application layer forward error correction (AL-FEC); determining at least one FEC flow for transmitting the at least one MMT asset; determining the MMT asset transmitted from the at least one FEC flow in each case and determining an FEC coding structure to apply to the at least one FEC flow; producing at least one source flow by dividing the MMT asset transmitted from the at least one FEC flow on a transmission unit basis; and producing and transmitting at least one parity flow by performing AL-FEC encoding on the at least one source flow according to the FEC coding structure.
US09578284B2 Methods and apparatuses for video and text in communication greetings for the audibly-impaired
Methods and apparatuses for enabling electronic communication with an audibly-impaired user are disclosed. A communication device receives a call from a video endpoint associated with a calling party, wherein the call is intended for the audibly-impaired user. If the audibly-impaired user is unavailable to receive the call, information is selected from a database with one or more entries associated with the audibly-impaired user. The one or more entries include a video greeting previously recorded by the audibly-impaired user and a text greeting previously entered by the audibly-impaired user. The video greeting and the text greeting are combined as a merged video stream. The merged video stream is then presented on the video endpoint associated with the calling party.
US09578280B2 Progressive displaying terminal and video playing method and image processing apparatus thereof
A progressive displaying terminal and a video playing method and an image processing apparatus thereof are provided. The video playing method includes: extracting an odd field and an even field of each frame of an interlaced video, where the interlaced video has an initial resolution higher than a screen resolution of a progressive displaying terminal, and scaling the odd field and the even field of each frame respectively and then playing the odd field and the even field of each frame. In this way, the present disclosure eliminates the need of de-interlacing when playing an interlaced video on a progressive displaying terminal, so the hardware configuration requirements and the cost are reduced and a good picture quality is ensured during playing of the video.
US09578275B2 Personal vehicle video recording device
A personal vehicle video recording device records video in and around a personal vehicle to preserve a visual record of an encounter with law enforcement. The device includes a video storage unit coupled to a personal vehicle and a plurality of cameras. Each of the cameras is positioned to monitor a respective zone relative to the personal vehicle. Each of a plurality of wires couples an associated one of the cameras to the video storage unit. An activation mechanism is operationally coupled to the video storage unit such that the video storage unit records and stores video images from the cameras upon manipulation of the activation mechanism.
US09578271B2 Integrated user interface for internet-enabled TV
A user interface (UI) for an Internet enabled TV lists content genre such as photos, music, and video, and for each genre a sub-list of content is provided regardless of the source of the content, i.e., regardless of whether the content in the particular genre is stored locally or is sourced from the Internet.
US09578270B2 Methods and systems for ignoring unintentional key presses
Various arrangements are described for ignoring inadvertent remote control key presses. A remote control may detect multiple key presses associated with various commands. It may be determined whether the first key press and the second key press have occurred within a predefined threshold time period. If the key presses occurred within the threshold time period, the first command and the second command may be ignored. Additional or alternate factors may be considered in determining whether one or more key presses of the remote control should be ignored.
US09578268B2 Ramp signal calibration apparatus and method and image sensor including the ramp signal calibration apparatus
Provided are a ramp signal calibration apparatus and method and image sensor including the apparatus. The apparatus includes: an analog-to-digital converter (ADC) including a trimmable transistor having a gain value that varies according to stored data, and configured to receive a ramp signal in a state where the gain value is a first gain value, and to output first and second output signals; a subtractor configured to calculate a difference between the first and second output signals; a digital comparator configured to compare the difference with a reference value and to determine whether a slope of the ramp signal has changed; and a counter configured to change the stored data based on whether the slope of the ramp signal has changed, wherein when the counter changes the data, the first gain value of the trimmable transistor is changed to a second gain value according to the changed data.
US09578263B2 Semiconductor device, method of manufacturing same, and method of controlling semiconductor device
Provided are a semiconductor device capable of detecting a light of each color with high accuracy without using a color filter, particularly enhancing detection accuracy of charges obtained by photoelectric conversion of a long-wavelength light, and manufacturing and control methods thereof. The semiconductor device has a p type semiconductor substrate, and first, second and third pixel regions. These regions each include a p type well region in the p type semiconductor substrate and an n type region configuring a pn junction therewith. The p type well region of the first pixel region is thinner, from the main surface to the lowermost portion, than that of the second and third pixel regions. On the side opposite to the main surface of the p type well region of the first and second pixel regions, a buried p type well region contiguous to the p type well region is further placed.
US09578262B2 Radiation imaging apparatus, control method therefor, and radiation inspection apparatus
A radiation imaging apparatus, comprising a plurality of sensors, a holding unit configured to hold a signal level of each sensor, a monitor unit configured to monitor the signal levels, and a control unit configured to control each sensor so as to detect radiation with a first sensitivity and a second sensitivity higher than the first sensitivity, wherein the control unit performs first control to cause the monitor unit to monitor signal levels with the second sensitivity, and performs second control to select some sensors out of the plurality of sensors based on monitoring results obtained in the first control.
US09578259B2 Systems and methods for reducing motion blur in images or video in ultra low light with array cameras
Systems and methods for reducing motion blur in images or video in ultra low light with array cameras in accordance with embodiments of the invention are disclosed. In one embodiment, a method for synthesizing an image from multiple images captured using an array camera includes capturing image data using active cameras within an array camera, where the active cameras are configured to capture image data and the image data includes pixel brightness values that form alternate view images captured from different viewpoints, determining sets of corresponding pixels in the alternate view images where each pixel in a set of corresponding pixels is chosen from a different alternate view image, summing the pixel brightness values for corresponding pixels to create pixel brightness sums for pixel locations in an output image, and synthesizing an output image from the viewpoint of the output image using the pixel brightness sums.
US09578257B2 Geometrically distorted luminance in a multi-lens camera
Spatial resolution can be improved in multi-lens digital cameras. Each lens can have the same or similar field of view, but can be associated with different geometric distortions defining, for example, a magnification at various field of view portions. A final image can be generated based on an initial image captured by each lens. Luminance information from the magnified portions of the initial images can be combined to form final image luminance information. Chrominance information from the initial images can be combined to form final image chrominance information. The final image can be generated based on the final image luminance information and the final image chrominance information.
US09578248B2 Method for generating thumbnail image and electronic device thereof
A method of displaying a thumbnail image and an electronic device thereof are provided. The method of displaying the thumbnail image of the electronic device includes detecting meta data and object information for an image, determining an aspect ratio of the thumbnail image with respect to the image on the basis of the detected meta data and object information, and displaying the thumbnail image with respect to the image according to the determined aspect ratio.
US09578247B2 Information processing device, imaging device, information processing method, and program
An information processing device includes circuitry configured to generate a white balance evaluation result based on an user designated portion in an image. The circuitry is also configured to control a display of an indication of the white balance evaluation result with the image.
US09578239B2 Controlling method for electronic apparatus with one switch button
A controlling method suitable for an electronic apparatus is disclosed. The electronic apparatus includes a camera module and a switch button. The controlling method includes following steps. A holding duration is measured started from a first time point when the switch button is pressed down. In response to the holding duration ends within a first threshold period, a singular image is generated. In response to the holding duration exceeds the first threshold period and ends within a second threshold period from the first time point, a series of burst images during the holding duration is generated. In response to the holding duration exceeds the second threshold period, a series of burst images during the second threshold period is generated, and also a video is generated.
US09578238B2 Imaging apparatus, imaging control method and storage medium
In the present invention, in interval shooting, a CPU of an imaging apparatus controls to repeatedly record images sequentially captured by an imaging section as a moving image at predetermined timing. This CPU controls to select to record an image captured by the imaging section as a still image or to select to record images sequentially captured by the imaging section as a moving image, in accordance with the movement of the imaging apparatus based on a detection result of an acceleration sensor or the movement of a photographic subject from images captured by the imaging section or a detection result of an infrared sensor. That is, when there is a possibility of motion blur or camera shake, moving image capturing is switched to still image photographing and a still image is recorded.
US09578233B2 Imaging apparatus and method for controlling the same
There is provided an imaging apparatus including a plurality of imaging units, and capable of recording a situation when a photographer captures a still image, and a change or reaction of the person such as the photographer other than the objects in the still image. The imaging apparatus includes a first imaging unit, a second imaging unit, an imaging instruction unit configured to instruct the first imaging unit to capture a still image, and a control unit configured to record a still image captured by the first imaging unit in a recording medium and to record a moving image captured by the second imaging unit in the recording medium when the imaging instruction unit instructs the first imaging unit to capture a still image.
US09578232B2 Image capturing apparatus, method for controlling the same, and storage medium
An image capturing apparatus includes: an image sensor; a focus adjusting unit configured to adjust a focus state of the subject image; an acquisition unit configured to acquire luminance signals of colors from signals obtained from a plurality of unit focus detection areas; a normalization unit configured to normalize the acquired luminance signals of the colors of the unit focus detection areas; a calculation unit configured to calculate normalized focus evaluation values of the colors that indicate a focus state of the subject image; and a determination unit configured to determine a driving direction of the focus adjusting unit based on magnitude relations of a first normalized focus evaluation value that corresponds to a first color and a second normalized focus evaluation value that corresponds to a second color.
US09578231B2 Image capture apparatus and method for controlling the same
If it is determined that an imaging optical system is not in an in-focus state, an interval for obtaining a phase-difference signal is set to a second time interval that is faster than a first time interval when a defocus amount that is obtained using the phase-difference signal that is output from an image sensor is a predetermined threshold or more, and the interval for obtaining a phase-difference signal is set to the first time interval when the defocus amount is less than the predetermined threshold.
US09578229B2 Imaging apparatus and method for controlling same
An imaging apparatus includes an imaging element including a pixel portion having a plurality of photoelectric conversion units with respect to one micro lens and color filters which are regularly arranged for each micro lens. The imaging apparatus generates a first signal and a second signal for phase difference-type focus detection based on an output of the imaging element. Each of the first signal and the second signal consists of a plurality of unit signals, and the unit signal of each of the first signal and the second signal is a signal obtained by mixing image signals from the same combination of the color filters.
US09578227B2 Determining a polar error signal of a focus position of an autofocus imaging system
An autofocus imaging system for a microscope system includes a tilted autofocus image sensor that images an oblique cross-section of a slide. The autofocus imaging system focuses multiple sequential overlapping images, which have been taken by the tilted autofocus image sensor, by making a comparison of the multiple sequential overlapping images. An axial position of a tissue layer on the slide can be determined from a polar error signal resulting from this comparison.
US09578226B2 Photometric registration from arbitrary geometry for augmented reality
Photometric registration from an arbitrary geometry for augmented reality is performed using video frames of an environment captured by a camera. A surface reconstruction of the environment is generated. A pose is determined for the camera with respect to the environment, e.g., using model based tracking using the surface reconstruction. Illumination data for the environment is determined from a video frame. Estimated lighting conditions for the environment are generated based on the surface reconstruction and the illumination data. For example, the surface reconstruction may be used to compute the possible radiance transfer, which may be compressed, e.g., using spherical harmonic basis functions, and used in the lighting conditions estimation. A virtual object may then be rendered based on the lighting conditions. Differential rendering may be used with lighting solutions from the surface reconstruction of the environment and a second surface reconstruction of the environment combined with the virtual object.
US09578223B2 System and method for capturing images with multiple image sensing elements
Methods, devices, and computer program products for CMOS visible image sensors incorporating multiple image sensing elements with different integration times to extend dynamic range are disclosed herein. In one aspect, a method of taking an image using a CMOS visible image sensor that includes at least one first light sensing element with a first well capacity and at least one second light sensing element with a second well capacity, where the second well capacity is greater than the first well capacity is disclosed. The method includes determining a first integration time for each of the at least one first light sensing elements. The method further includes determining a second integration time for each of the at least one second light sensing elements, where the second integration time is different than the first integration time.
US09578220B2 Observation device, observation program, and observation system
An observation device (1) is provided with: a general observation unit (10) for observing sample cells by observing an entire container (C) containing the cells and a culture solution; and a magnification observation unit (20) for magnifying a region within the container (C) and observing the cells, the general observation unit (10) and the magnification observation unit (20) each individually having lighting for illuminating the cells with light, and an optical system for observing the cells. The general observation unit (10) and the magnification observation unit (20) are thereby each provided with an individual optical system and lighting, making it possible to configure an appropriate observation unit for use both when the cells are observed by observing the entire container (C) and when a part within the container (C) is magnified and the cells are observed.
US09578215B2 Event data recorder
The event data recorder contains a mirror set and a camera member. The mirror set contains two curved mirrors, each for capturing an outside view to a lateral side of a vehicle. The camera member contains a camera facing towards the windshield of the vehicle and the curved mirrors. As such, the camera is able to capture views in front of the vehicle and reflected from the curved mirrors simultaneously.
US09578209B2 Dual-use full-width array and methods for usage thereof
The present disclosure relates to systems and computer-implemented methods for obtaining both high-resolution red-green-blue (RGB) data and other data of an image-bearing surface using a single sensor array. The technique includes obtaining, using a sensor array configured to obtain measurements of M≧4 different spectral sensitivity responses per output pixel at low resolution, spectrophotometric data representing a plurality of output pixels representing the image-bearing surface, determining, using at least one electronic processor and based on the spectrophotometric data, high-resolution RGB data representing the image-bearing surface, determining, using at least one electronic processor and based on the spectrophotometric data, additional data representing a plurality of output pixels representing the image-bearing surface, and outputting the high-resolution RGB data and the additional data.
US09578208B2 Image processing apparatus
An image processing apparatus accurately compensates a flare component. An image forming apparatus reads images in a first reading condition and a second reading condition in which flare less occurs, and includes: a reflectance assignment unit for assigning a reflectance to the first image in accordance with the distance between the first image and the second image; a color information arithmetic unit for obtaining color information about the first image read in the second reading condition; a flare component derivation unit for deriving a flare component of the second image based on the reflectance and the color information; and a flare component removing unit for removing a flare component of the second image read in the first reading condition, based on the second image read in the first reading condition and the flare component derived by the flare component derivation unit.
US09578206B2 Image forming apparatus and image forming method have print function to prevent see-through
Provided is an image forming apparatus that can keep the character of a concealing area secret certainly even if it makes low the printing rate of a see-through preventive image. A concealing area specifying part specifies the concealing area that includes a concealing character string in the print data. A character discriminating part discriminates character attribute of the concealing character string. A see-through preventive image generation part sets the see-through preventing area where shape and a size are the same as the concealing area. Also, see-through preventive image generation part generates a see-through preventive image where multiple characters having the character attribute discriminated by the character discriminating part are generated at random. A printing part prints the see-through preventive image in the position piled up by the same direction for the concealing area at the time of enclosure.
US09578205B2 Method and system for forming a halftone screen
A method of forming a halftone screen, the method comprising: representing a first tone range by forming a plurality of dots arranged in a grid; representing a second tone range by forming a plurality of substantially cross-shaped dots arranged in a grid, the cross-shaped dots contained within respective dot cells and having four arms, a distal end of at least one of the arms wider than a proximal end, the second tone range darker than the first tone range; and representing a third tone range by forming a plurality of substantially cross-shaped dots arranged in a grid, the cross-shaped dots contained within respective dot cells and having four arms, a proximal end of at least one of the arms wider than the proximal end of at least one arm of the cross-shaped dots representing the second tone range, the third tone range darker than the second tone range.
US09578197B2 Method of managing programs in image forming apparatus and image forming apparatus using the same
A method of managing programs that perform functions that have been previously performed according to a user setting regarding image forming job, based on user information by generating the programs that perform functions that have been previously performed according to the user setting; confirming user information of a user; and storing the generated programs with the confirmed user information and information regarding the generated programs in a storage unit.
US09578193B2 Quick operation user interface for a multifunction printing device
Example methods and systems may include displaying a primary screen having a plurality of function menus corresponding to multifunction printer functions, wherein each function menu includes a function icon, one or more major-setting icons, an execution icon, and an expansion icon. The example methods and systems may include, responsive to the selection of a major-setting icon, modifying a corresponding primary setting; responsive to the selection of an execution icon, causing a multifunction printing device to carry out a function; responsive to the selection of an expansion icon, displaying the function menu as a selected menu, wherein the selected menu is larger and includes more major-setting icons; and, responsive to the selection of a function icon, displaying a secondary screen, wherein the secondary screen includes one or more major-setting icons corresponding to one or more primary settings, and one or more minor-setting icons corresponding to one or more secondary settings.
US09578192B2 Image forming apparatus including a plurality of devices driven by power
An image forming apparatus comprising a plurality of devices driven by power and configured to be operated in: 1) a standby mode in which the image forming apparatus stands by a start of an image formation; or 2) a power saving mode in which power supply to a part of the plurality of devices is stopped so that the power consumption of the image forming apparatus in the power saving mode is reduced compared with that of the image forming apparatus in the standby mode. The image forming apparatus further including a door which is opened when consumable material is supplied, and a door opened/closed sensor configured to detect the door opening or door closing.
US09578183B2 Color measurement device, image forming apparatus, electronic equipment, color chart, and color measurement method
A printer moves a color chart relative to a spectrometer that carries out spectral measurement on the color chart. The color chart, which is a color measurement target of the printer, includes a color patch and a white portion that is positioned in a first position and a second position. The first position and the second position interpose a color measurement position, in which the color patch is disposed, along a predetermined direction. The printer acquires measured values by carrying out spectral measurement for the color measurement position, the first position, and the second position, determines a reference value corresponding to the color measurement position based on the measured values of the first position and the second position, and determines a color measurement result of the color patch based on the measured value of the color measurement position and the reference value.
US09578180B2 Communication network system, calling terminal and voice call establishing method thereof
A communication network system, a calling terminal and a voice call establishing method thereof are provided. The communication network system comprises a called terminal, the calling terminal and a session initiation protocol (SIP) server. The calling terminal generates and transmits an invite message including IPv4 connection information and IPv6 connection information of the calling terminal. The SIP server is communicatively connected to the calling terminal and the called terminal. The SIP server receives the invite message from the calling terminal and forwards the invite message to the called terminal. The called terminal establishes a voice call with the calling terminal according to one of the IPv4 connection information and the IPv6 connection information of the calling terminal.
US09578179B2 Method, apparatus and system for transmitting multimedia data
The present disclosure discloses a method, apparatus and system for transmitting multimedia data. After accessing to a multimedia conference room, a client encodes multimedia data to be transmitted, and transmits the encoded multimedia data to a multi-point control unit. The client receives a multimedia data packet sent by the multi-point control unit. The multimedia data packet is obtained by the multi-point control unit via encapsulating multimedia data sent by at least one client in the multimedia conference room. The client decodes the multimedia data packet, composes multimedia data obtained after decoding the multimedia data packet, and displays the composed multimedia data.
US09578177B2 Establishing telephone communications with secondary devices
A method, system, and apparatus, including a program encoded on computer-readable medium, for providing ring notifications in parallel to a primary incoming call are disclosed. An example method can include receiving, at a server system, a notification of a primary incoming call directed to a subscriber telephone number associated with a user device, notifying, by the server system, one or more secondary destinations of the primary incoming call based on the notification, sending, from the server system, an instruction to perform one or more operations to trigger forwarding of the primary incoming call to a telephone number associated with the server system, wherein the instruction is only sent after notifying the one or more secondary destinations of the primary incoming call, receiving the forwarded incoming call at the server system, and connecting, by the server system, the forwarded incoming call to a particular secondary destination.
US09578175B2 Communication device for establishing automated call back using queues
A communication device is provided for enabling a user to establish an automated call back from a communication system, such as a call center, for example. A software device application enables the communication device to communicate with the call center through the exchange of data. The communication device includes a display screen for displaying controls for allowing the user to interact with the communication system. The controls allow the user to request a list of providers from which to select a provider or company to contact. The communication device further provides controls for allowing the user to select a queue to join from a list of queues associated with the selected provider. An embodiment may also communicate contextual data between a communication device and a communication system, including information associated with the user of the communication device and information used to assist, instruct, or solve a user's problem.
US09578171B2 Low latency distributed aggregation for contact center agent-groups on sliding interval
A method and system for aggregating and reporting data from a plurality of data sources in a contact center is provided. The method includes: maintaining by a computer device the data for a sliding interval including a plurality of panes, the data including an ongoing component for ongoing events and a completed component for completed events; updating by the computer device the data for the sliding interval based on updates for the sliding interval received from one or more of the data sources; and reporting by the computer device an aggregation of the ongoing and completed components of the data sources for the sliding interval to a client in accordance with an expiring of one of the panes. The system includes a processor and a non-transitory physical medium. The medium has instructions stored thereon that, when executed by the processor, causes the processor to execute the method.
US09578169B2 Method of and system for providing adaptive respondent training in a speech recognition application
A system for conducting a telephonic speech recognition application includes an automated telephone device for making telephonic contact with a respondent and a speech recognition device which, upon the telephonic contact being made, presents the respondent with at least one introductory prompt for the respondent to reply to; receives a spoken response from the respondent; and performs a speech recognition analysis on the spoken response to determine a capability of the respondent to complete the application. If the speech recognition device, based on the spoken response to the introductory prompt, determines that the respondent is capable of competing the application, the speech recognition device presents at least one application prompt to the respondent. If the speech recognition device, based on the spoken response to the introductory prompt, determines that the respondent is not capable of completing the application, the speech recognition system presents instructions on completing the application to the respondent.
US09578168B2 Distinctive ring tones prompted by call urgency and context
A method includes receiving, at a destination communication device, information related to a communication from a source communication device. The method further includes determining, at the destination communication device, a designation of the source communication device based on the information. The method further includes selecting, based on the designation, a prompt from multiple prompts. The method further includes sending the prompt from the destination communication device to the source communication device. The prompt is a request for second information related to urgency of the call.
US09578166B1 Identifying and processing of unreturned calls in IPBX
Apparatuses and methods concerning routing of calls in an IPBX server are disclosed. A first processing circuit is communicatively coupled to an IPBX server that routes VoIP calls for a plurality of end-users having respective VoIP-enabled devices and generates call event messages for the routed calls. The first processing circuit generates call summary metrics from the call event messages. A second processing circuit evaluates the call summary metrics to identify a set of incoming calls to the IPBX that were missed and have not been returned by the end-users. The second processing circuit cross-correlates the identified set of incoming calls with a secondary data source to determine a respective priorities for the set of incoming calls. The second processing circuit stores data indicating calls of the identified set have a higher priority.
US09578165B2 Mobile terminal and non-transitory computer-readable recording medium storing computer-executable instructions
A mobile terminal includes: a storage section storing pieces of schedule information indicating respective user's schedules in which planned activities are assigned to respective scheduled dates and times; an incoming contact detection section that detects an incoming contact on the mobile terminal; a date and time information acquisition section that acquires date and time information indicating a current date and time on detection of the incoming contact; a schedule information acquisition section that acquires a piece of schedule information at a scheduled date and time based on the acquired date and time information; an alert operation attribute determining section that determines from the acquired piece of schedule information an alert operation attribute with which the planned activity is associated; and an alert operation control processing section that controls an alert operation notifying the user of the incoming contact according to the determined alert operation attribute.
US09578164B2 Methods and systems for voice augmented caller ID / ring tone alias
A communication device and method can include one or more processors operatively coupled to memory and an audible output device, where the one or more processors receive a call from a calling party that includes a voice or video message associated, presenting the voice message or video message as an alias of or to a ring tone or interleaved with the ring tone before the call from the calling party is answered or rejected. Other embodiments are disclosed.
US09578157B1 Method and system for resuming content playback after content playback at an in-vehicle infotainment system
A system and method for resuming content playback after content playback in an in-vehicle infotainment system includes a mobile device and the in-vehicle infotainment system in communication with the mobile device. The in-vehicle infotainment system displays content and communicates a content position signal to the mobile device. When the mobile device and the in-vehicle infotainment system disconnect, the mobile device displays a screen display in response to disconnecting. The screen display corresponds to resuming future playback. The mobile device communicates a resume future playback signal indicative of resuming future playback to a set top box. The resume future playback signal comprising a content identifier, the content position identifier and a user identifier. The set top box displays content at the set top box based on the content identifier, the content position identifier and the user identifier.
US09578152B2 Telephonic-based engagements
Described are techniques for providing broker services to consumers and service providers based on telephonic call-back engagements. The techniques include receiving a telephonic-based communication from a consumer to consult with a service provider and determining a suitable service provider to reply to the telephonic-based communication from the consumer. The techniques add an entry corresponding to the consumer to a queue maintained for the suitable service provider, and when the consumer in the queue is at the top of the queue, initiate a call-back to a device used by the consumer.
US09578151B2 Security device and information processing device
A security device and an information processing device capable of maintaining information useful for confirming a occurrence of a crime which include a switch that is provided so as to be operable with a hand that holds a housing, a light-emitting element that emits pulsed light in accordance with the operation of the switch, an imaging unit that performs imaging in an emission direction of the pulsed light and supplies image information, and a communication unit that transmits the image information to a communication network are provided. This structure allows a user to emit the pulsed light to an assailant, which prevents crimes and transmit to the communication network.
US09578142B2 System and method for improving resilience in transmission of data fragments
A system and method packetizes data by fragmenting, with processing circuitry, a data structure into a plurality of data fragments, each data fragment being included in a separate packet, and inserting, with processing circuitry, an offset indicator within each of the packets, each offset indicator indicating an amount of fragment data encapsulated within preceding packets. A system and method decodes packetized data that includes the offset indicator.
US09578141B2 Packet flow modification
Methods, systems, and computer readable media for packet flow modification are disclosed. According to one method, the method includes receiving one or more packets associated with a packet flow. The method also includes modifying payload information in the one or more packets. The method further includes receiving a subsequent packet associated with the packet flow. The method also includes modifying transport layer or higher layer information in the subsequent packet using information associated with the modified payload information or the packet flow.
US09578139B2 Method and system for architecture of a fast programmable transport demultiplexer using a double buffered approach
A method and system are provided for architecture of a very fast programmable transport demultiplexer using a double-buffered approach. The method may involve utilizing a hardware assist block to process incoming packets, retrieve information about the packets, and write the retrieved information to a memory block. A firmware block may then utilize the information in memory to perform further processing on the packet data. The firmware and hardware assist blocks may work simultaneously so as to speed up the processing of the packet, which can comprise record data and/or audio/video data. The system may comprise the hardware assist block, the firmware assist block, and a memory block.
US09578133B2 System and method for analyzing user experience of a software application across disparate devices
A system for providing a consistent user experience of an application across disparate mobile devices comprises a computing device including a display analysis application, and one or more mobile devices including a display analysis application is provided. In one example, a mobile device comprises a memory storing a version of an operating system, a display analysis patch, and a patched application. A consistency module of the mobile device is configured to access the application with the display analysis patch, obtain one or more display parameters of the mobile device via the application with the display analysis patch, and transmit the obtained one or more display parameters to a computing device.
US09578130B1 Asynchronous and idempotent distributed lock interfaces
Methods and apparatus for distributed locking interfaces are disclosed. A state manager implements programmatic interfaces for distributed locking operations. In response to a queue-for-lock request for a registry element received via an interface, the state manager provides to the requester, a reference to a first asynchronous computation. The first asynchronous computation comprises an insertion of a lock request into a queue of waiters for a lock on the element. In response to a request for a result of the computation, the state manager transmits, after the lock request has been inserted into the queue of waiters, a notification of the insertion of the request. The notification in turn includes a reference to a second asynchronous computation. The second asynchronous computation comprises a grant of the lock on the particular element to the requester.
US09578129B2 System and method for instantaneously deploying packetized alert data
One or more embodiments of the invention are directed to a system and method for instantaneously deploying packetized alert data in a one to many configuration or a many to many configuration where the data to be received by each recipient can be customized in a way that leaves a publisher with optimum control over the content or revenue generated from each deployment.
US09578125B2 Systems, devices, and methods for protecting access privacy of cached content
Embodiments relate to systems, devices, and computer-implemented methods for preventing determination of previous access of sensitive content by receiving, from a user, a request for content at a device in an information centric network, where a cached version of the content is locally stored at the device; initiating a time delay based on a determination that the user has not previously requested the content; and transmitting the cached version of the content to the user after the time delay.
US09578123B2 Light weight portal proxy
A method for accessing locally stored data at a client site via a network request issued by a client browser of a user includes, with a proxy component at the client site, integrating the locally stored data into a placeholder portlet; and providing the portlet including the locally stored data to the client browser in response to the network request. Another method for accessing locally stored data at a client site via a network request issued by a client browser of a user includes providing a placeholder portlet to a proxy component located at the client site; where the placeholder portlet comprises content from an external service provider and is configured to integrate the locally stored data with the content from the external service provider. An electronic data processing system for accessing locally stored data at a client site includes a proxy component configured to intercept requests for access to the locally stored data that are addressed to an external portal server. The proxy component accesses the locally stored data, integrates the locally stored data with content from the external portal server in a placeholder portlet, and serves the placeholder portlet, including the locally stored data, to a requesting client computer.
US09578112B2 Reliability of a connection during a communication session on a network device
The present application details methods and systems for improving the reliability of a connection during a communication session on a network device. In one or more embodiments, the network device maps to and connects with multiple datacenters. For example, the network device connects with a primary datacenter and participates in a communication session via a primary media bridge connection while jointly being connected with a secondary datacenter. In addition, the network device can switch from the primary media bridge connection to a secondary media bridge connection if a fault is detected on the primary media bridge connection.
US09578105B2 Device optimized transmission and reception for multi-mode, multi-media communications
An approach is provided for receiving information from a plurality of communication services in a plurality of communication service formats and adjusting the information into another communication service format that is configured for receipt by a device and for communication to a user. A transmission session is established between a device and one of the plurality of communication services. Information from the one communication service is adjusted from a first communication service format into the another communication service format, seamlessly.
US09578102B2 Peer-to-peer data storage
A determination is made of users that form a group within a social network in which the users communicate with each other over a network with electronic devices in a client-server architecture. The users in the group within the social network form a peer-to-peer (P2P) storage group within a P2P storage network. In the P2P storage network, users are peers that act as a client and a server for each other.
US09578096B2 Peer-to-peer email
A peer-to-peer email system and methods are provided for distributed email distribution, prevention of SPAM, and efficient email storage. Each email client also serves as a node in the peer-to-peer system, relaying email messages and/or attachments. Large attachments may be transmitted directly from sender to receiver, and if the receiver is not online at the time the sender sends the attachment, the receiver can request the attachment from the sender at a later time.
US09578095B2 Opportunistic crowd-based service platform
A method and apparatus for providing an opportunistic crowd based service platform is disclosed. A mobile sensor device is identified based on a current location and/or other qualities, such as intrinsic properties, previous sensor data, or demographic data of an associated user of the mobile sensor device. Data is collected from the mobile sensor device. The data collected from the mobile sensor device is aggregated with data collected from other sensor devices, and content generated based on the aggregated data is delivered to a user device.
US09578094B1 Platform and game agnostic social graph
Social graphs may be determined for individual users belonging to affiliations in virtual spaces accessible via electronic social networks. Affiliations within one or more virtual spaces may be managed. A given affiliation within a given virtual space may comprise a discrete group of users with a relationship having a functional significance within the given virtual space. Relationships within one or more electronic social network may be managed. A given relationship within a given electronic social network may represent a reciprocal relation between two or more users in the given electronic social network. Social graphs associated with individual users may be determined based on the affiliations within the one or more virtual spaces and the relationships within the one or more electronic social networks.
US09578090B1 Methods for provisioning application delivery service and devices thereof
A method, non-transitory computer readable medium and an application delivery controller for receiving a notification from a client computing device when an application is selected. A configuration file including one or more instructions is identified from one or more memory locations. One or more instructions within the application delivery controller is updated with the one or more instructions present within the identified configuration file to provision the selected application. The selected application is provisioned to the requesting client computing device using the updated one or more instructions.
US09578084B2 Information processing system for starting up a browser, user terminal, information processing device, and non-transitory computer readable recording medium
An information processing system comprises a user terminal and an information processing device. A remote operation screen image for remotely operating the information processing device is displayed with the user terminal so that the information processing device is operated by remote control via the user terminal. The information processing device includes: a screen image controlling part for receiving operation information from the user terminal; a contents determining part for determining if contents accessed by a browser are internal contents of the information processing device when the operation information is a process request requiring start up of the browser; and a browser controlling part for starting up a first browser on the information processing device when the internal contents are to be accessed, and sending a browser start up instruction to cause start up of a second browser installed on the user terminal when external contents are to be accessed.
US09578082B2 Methods for dynamically generating an application interface for a modeled entity and devices thereof
This technology generates a plurality of instances of things each including a dynamically generated interface structure and services associated with and properties of the corresponding one of the things. The services associated with and the properties of one of the plurality of instances of things for a selected one of the plurality of instances of things are retrieved and provided. A service definition for a selected one of the services is retrieved and provided based on the retrieved and provided services associated with and properties for the selected one of the plurality of instances of things. A requested consumption call for the selected one of the services is executed based on the retrieved service definition. A defined result set for the executed consumption call is provided in the dynamically generated interface structure associated with the requested one of the plurality of instances of things.
US09578081B2 System and method for providing an actively invalidated client-side network resource cache
A system and method for providing an actively invalidated client-side network resource cache are disclosed. A particular embodiment includes: a client configured to request, for a client application, data associated with an identifier from a server; the server configured to provide the data associated with the identifier and to establish a queue associated with the identifier at a scalable message queuing system, the client being configured to subscribe to the queue at the scalable message queuing system to receive invalidation information associated with the data; the server being further configured to signal the queue of an invalidation event associated with the data; the scalable message queuing system being configured to convey information indicative of the invalidation event to the client; and the client being further configured to re-request the data associated with the identifier from the server upon receipt of the information indicative of the invalidation event.
US09578077B2 Aggressive prefetching
A method is provided for distributing data content in a P2P live streaming network comprising a plurality of peers and a streaming source periodically producing segments representing the data content to be distributed, wherein a group of the peers are assigned to download the data content from the streaming source and to distribute the data content to remaining peers. The method comprises a first peer making requests for a current segment produced by the streaming source, the requests being made at a rate higher than a rate with which the segments are produced by the streaming source. If the first peer is the first to download the current segment, then the current segment has been downloaded, wherein the network peers can download the current segment from the first peer. Otherwise, a second peer downloads the current segment and it announces this to the group on the P2P network.
US09578076B2 Visual communication using a robotic device
Technology is described for visually communicating using a robotic device. An example of a method can include a video feed sent from the video camera of the robotic device to the remote user. A projection surface identified in the video feed can then be sent to the remote user using an application. Another operation can be obtaining an image from the remote user using the application. The image created by the remote user can then be projected on the projection surface.
US09578072B2 Method and system for synchronising content on a second screen
The present disclosure is directed towards a method and system for synching content on a second screen with content being displayed on a first or primary screen. The method and system of the present disclosure supports multiple synching mechanisms as well as prioritization between the different multiple synching mechanism.
US09578070B2 Method for inserting background audio into voice/video call
A background noise inserter server is described that includes a communication interface for communicating with a network, memory for storing background audio, and a processor coupled to the communication interface and the memory. The processor controls the server to connect to a phone call session in response to a session initiation protocol (SIP) invite from a calling device indicating that the calling device is requesting the background audio in the phone call session with a called device. The processor also controls the server to insert the background audio into the phone call session so that the inserted background audio is mixed with audio from the phone call session transmitted to both the calling device and the called device.
US09578064B2 Automatic tuning of virtual data center resource utilization policies
A computer-implemented process receives a request to utilize one or more virtual data center (VDC) resources at a virtual data center and determines a particular service level applicable to request. Based on the particular service level and mapping information that indicates associations between VDC resource utilization policies and service levels, the process determines a particular VDC resource utilization policy corresponding to the request and causes completion of the request according to the particular VDC resource utilization policy. Another process determines that a resource utilization performance is incompatible with a requested service level and selects a new resource utilization based in part on the resource utilization performance information and mapping information. The process causes data distributed according to a prior resource utilization policy to be distributed according to the new resource utilization policy in one or more resources at a virtual data center.
US09578061B2 System and method for modeling a networking device policy
Implementations of the present disclosure involve a system and/or method for modeling a networking device policy or set of rules and/or transforming a networking device policy model into a set of comprehensible rules for presentation to a manager of the device. In one embodiment, the system and/or method includes converting one or more rules of the firewall device into a string of representative bits, creating a binary decision diagram from the converted rules of the firewall policy, transforming the binary decision diagram into a ternary tree diagram and analyzing the ternary tree diagram to condense the firewall policy into one or more rules comprehensible by a user of the firewall.
US09578057B1 Techniques for detecting an intranet spoofing attack
Techniques for detecting an intranet spoofing attack are disclosed. In one embodiment, the techniques may be realized as a system and method for detecting an intranet spoofing attack. For example, the system may comprise one or more processors communicatively coupled to a network. The one or more processors may be configured to: identify an attempt to access an intranet website at a user device; determine that the intranet website is a spoofed intranet website; and perform an action in response to the determination of the spoofed intranet website to protect user.
US09578056B2 Preventing spoofing attacks for bone conduction applications
Concepts and technologies are disclosed herein for preventing spoofing attacks for bone conduction applications. According to one aspect, a device can receive an authentication signal that has propagated through a body. The device can prevent an adversary from using the authentication signal to spoof a user to be authenticated by the device. The device can also authenticate the user.
US09578053B2 Systems and methods for using cognitive fingerprints
A system and method for creating a core cognitive fingerprint. A core cognitive fingerprint can be used to capture the evolution of a system state and potentially respond with a predetermined action if the fingerprint falls within a threshold. The method includes: identifying a set of time frames within which data is extracted; providing a plurality of pattern recognizers; processing the extracted data through the plurality of pattern recognizers to generate an initial set of elements; extracting identified relationships amongst the initial set of elements; modifying the initial set of elements to include the identified relationships to create an intermediate set of elements; comparing the intermediate set of elements against assigned values to weigh each element in the intermediate set of elements to create a final set of elements; and using the final set of elements as a cognitive fingerprint.
US09578051B2 Method and system for identifying a threatening network
A method for identifying a threatening network comprises an asymmetric threat signature (AT-SIG) algorithm comprising a network movement before/after algorithm that provides a graphical plot of changes in network transaction activity from before to after a specified time and further comprising one or more of: a network progression algorithm that provides a graphical plot to analyze behavior in small increments of time without specification or emphasis upon a particular time or event; a statistical network anomaly ranking algorithm that provides as output a ranked list of the networks; and an anomaly trend graphs algorithm that analyzes and visualizes the networks' anomaly scores over time. Also disclosed are an AT-SIG system and a software program product.
US09578050B1 Service delivery controller for learning network security services
A learning-based computer network security system may include a service delivery controller executing on one or more of hardware processors that receives requests for transmitting network flows to one or more destination machines via a communication network. The service delivery controller may group the network flows into one or more similarity groups, and direct the network flows in a particular similarity group to a learning-based security appliance instance designated for the particular similarity group. Based on receiving feedback from the security appliance instance, the service delivery controller may regroup the similarity groups, and/or redirect the network flows, and/or redistribute the training results between the appliances, and/or modify assignment of appliances to similarity groups.
US09578047B2 Method and system for reflectometry based communication network monitoring, intrusion detection, and message authentication
Systems and methods are provided for monitoring and detecting intrusions and authenticating messages on a communication network of a vehicle. A plurality of signals transmitted over communications network between an electronic control module and a remote electronic module are monitored. Reflectometry feature sets are extracted from the plurality of signals and compared to a repository of predetermined communication network feature sets to generate a mismatch value. The mismatch value is compared to a predetermined threshold range and an authenticated event occurs when the mismatch value is within the predetermined threshold range. When the mismatch value is outside the predetermined threshold range, a flagged event occurs and is recorded.
US09578046B2 Analysis of time series data
The systems and methods described herein relate to storing values, such as sketches, that represent time indexed data related to network traffic. The model may be indexed by multiple sets of keys and time range values. It is an advantage that the index is essentially repeated for different time intervals. Utilization of the sketches avoids prohibitively large amounts of network traffic from overwhelming the monitoring computing device(s). Further, the probabilistic representative accuracy of the sketches is dynamically configurable. The time indexed data may represent data traffic on a computer network. The time indexed data may be data packets sent on the network. In one or more embodiments the time indexed data may be sketches that represent and/or approximate the data packets. Further, it is contemplated herein that the accuracy of the sketches' representation may be dynamically configurable.
US09578044B1 Detection of anomalous advertising content
Systems, methods, and computer-readable media are disclosed for detecting anomalous advertising content and taking or directing one or more actions to be taken to mitigate risk associated with anomalous advertising content. The anomalous advertising content indicates a deviation from an expected state of the advertising content. Various measures may be taken to determine whether the anomalous advertising content is reflective of malware.
US09578041B2 Verification of peer-to-peer multimedia content
A method includes receiving, at a first wireless device, from a second wireless device, content and an identification of the second wireless device, over a peer-to-peer wireless communication link. The received content is rendered and verification information containing the identification of the second wireless device and an identification of the received content is generated at the first wireless device. The verification information is then encrypted at the first wireless device using an encryption key. Apparatus and a computer program product counterparts to the method are also disclosed.
US09578032B2 Application publishing using memory state sharing
Examples described herein enable memory state sharing among a plurality of virtual machines (VM) including a parent VM and a child VM. A request for memory state sharing between the parent VM and the child VM is received, and the parent VM is suspended. The child VM resumes execution of one or more suspended applications. In one example, the child FM is forked with pre-loaded, suspended applications from the parent VM. Aspects of the disclosure offer a high performance, resource efficient solution that outperforms traditional approaches in areas of software compatibility, stability, quality of service control, re-source utilization, and more.
US09578031B2 Non-invasive method and system for automated administration of diverse security constrained servers
A method of automatically administering servers is disclosed. The method includes automatically transmitting commands to at least one of the servers. Administrator level access is non-invasively obtained on the at least one of the servers utilizing the automatically transmitted commands. The at least one of the servers is administered using the administrator level access and the automatically transmitted commands.
US09578028B2 Subscriber management using a restful interface
A controller provides authentication, authorization, and accounting (AAA) services for a network, the controller comprising a control unit having one or more processors and a Representational State Transfer (REST) interface executed by the control unit to receive application data that specifies an interface method and a resource identifier for a resource, the resource identifier conforming to a subscriber management resource model. The REST interface determines, based on the resource identifier, a record for a subscriber management construct corresponding to the resource. The REST interface applies, to the record, an action corresponding to the interface method to modify access to the network by a subscriber.
US09578023B2 Identity assertion based on biometric information
A method and apparatus for providing a lifetime extension to an identity assertion is provided herein. During operation a user will authenticate to an identity management server (also known as an authorization server or an authentication server) to obtain an identity assertion. An identity assertion will be provided upon successful authentication. The lifetime of the identity assertion will be based on whether or not biometric information of the user will be used by the device to which the assertion is being issued to identify the user prior to allowing the use of the identity assertion.
US09578010B2 Mobile handset extension to a device
Mobile operation is extended to a device. An extension interface comprises a client component within a mobile that is linked to a client component within the device. Extension of mobile operation is secured via delivery of credentials associated with the mobile to the device. Delivery of credentials is temporary and typically spans the period during which mobile operation is extended to the device. Application(s) and content(s) can be conveyed to the device for utilization therein. An emulation component that can reside at least in part on the client component within the device can emulate mobile operation. Client component within the mobile can include at least in part (i) a component that downloads drivers for communication with, and utilization of, the device to which mobile operation is extended, and (ii) a component that can scan for wireless-capable devices to extend mobile service thereto.
US09578009B2 System and method for supporting security in a multitenant application server environment
In accordance with an embodiment, described herein is a system and method for providing security in a multitenant application server environment. In accordance with an embodiment, per-partition security configuration includes: per-partition security realm (including configuration for authentication, authorization, credential mapping, auditing, password validation, certificate validation, and user lockout); SSL configuration, including keys, certificates, and other configuration attributes; and access control for partition and global resources. An administrator can designate one or more partition users as partition administrators, via grant of roles.
US09578007B2 Secure transmission of a session identifier during service authentication
In an embodiment a method is performed by a network access device (NAD). The NAD transfers a first HTTPS request from a client computer (UE) to an identity provider computer (IdP). The NAD transfers, from the IdP, a preceding redirected URL in response to the first HTTPS request, to the UE and configured to cause the UE to redirect to said preceding redirected URL. Over a secure network link, the NAD receives a particular request specifying said preceding redirected URL, from the UE. Responsive to receiving the particular request, the NAD generates a response, comprising a subsequent redirected URL and a session identifier, and configured to cause the UE to redirect to the IdP over an HTTPS connection. The NAD transfers said subsequent redirected URL over the secure network link to the UE. The NAD transfers a second HTTPS request, comprising the session identifier, from the UE to the IdP.
US09578005B2 Authentication server enhancements
A set of authentication server configuration rules are implemented. The authentication server configuration rules utilize regular-expression based commands. A running log of commands entered by every user is maintained for each command is run by the at least one authentication server. A configuration diff command is run each time a session ends. A set of actions of an authentication-server administrator on the authentication server is tracked. The set of actions of the authentication-server administrator is stored in a log. The log includes a username of the authentication-server administrator who generated the log and a time source and a time zone associated of a location of the set of actions. A hash algorithm is run on the log. A portable document format (PDF) formatted the of the log is generated. A list of usernames is generated from a set logs that filled a user-authentication process required to access the authentication server.
US09578001B2 Method and network node device for running push-button configuration sessions within heterogeneous network and heterogeneous network
A heterogeneous home network (with possibly multiple hops between devices) uses a push button configuration mechanism that ensures only one single new network node device is registered for a single push button key press event and overlapping Push-Button Configuration sessions within the heterogeneous network are prevented by an enhanced mechanism for running Push Button Configuration sessions based on a Push-Button Configuration handshake procedure triggered and initiated by a virtual or physical Push-Button-Event on a new device, which wants to join the heterogeneous network for a user friendly security bootstrapping, in which multiple network node devices in the heterogeneous network belonging already to the heterogeneous network are involved in registering the new device. The Push-Button Configuration handshake procedure is initiated to get a permission information to join the network or to proceed with the Push-Button Configuration or to get a rejection information not to join the network.
US09578000B2 Content level navigation systems and methods
An exemplary system includes a media content processing subsystem configured to provide a first interactive graphical user interface to a display for presentation to a user in response to a transmission of an input command, provide an end interactive graphical user interface to the display for presentation to the user in response to a repeat transmission of the input command, and perform an action corresponding to a selected entry within the end interactive graphical user interface in response to another repeat transmission of the input command. The first interactive graphical user interface corresponds to a first content level within a navigation thread and the end interactive graphical user interface corresponds to an end content level within the navigation thread.
US09577998B2 Dynamic file access to files of unmapped remote computers
Dynamically providing access to files of presently unmapped remote computers, including, responsive to receiving a file access request from a user, displaying a file access Graphical User Interface (‘GUI’) dialog box; receiving, from the user through the file access GUI dialog box, a Uniform Resource Locator (‘URL’) representing a file location on a remote computer, wherein the URL specifies a particular access protocol among a number of available access protocols, a network location of the remote computer, a port number, and a file system path; and accessing, in dependence upon the URL, a file on the remote computer at the file system path through data communications established between a local server module and a remote server running on the remote computer using the particular access protocol, the network location of the remote computer, and the port number.
US09577997B2 Authentication system and authentication method
On-vehicle control units include an attaching section for attaching a message code used to check the validity of the transmission source of communication data, to the communication data. The on-vehicle control units also include an update section for updating a key code and the message code every time communication of communication data has been completed. An authentication section checks communication data and the transmission source thereof on the basis of the result of comparison between the random code obtained by restoring a message code and the random code owned by the on-vehicle control units, which are authorized.
US09577994B2 Off-host authentication system
An off-host authentication system includes a network. An off-host processing system is coupled to the network and sends an encrypted authentication item through the network in response to validating a user. An authentication information handling system (IHS) is coupled to the network and receives the encrypted authentication item from the off-host processing system through the network, decrypts the encrypted authentication item to produce a decrypted authentication item, validates the decrypted authentication item, and sends an approval message through the network. A directory system is coupled to the network and receives the approval message through the network and, in response, sends a user approval through the network. A host processing system, which is located in a user IHS that includes the off-host processing system and which is coupled to the network, logs a user into the user IHS in response to receiving the user approval through the network.
US09577986B1 Secure data verification technique
A technique for the secure exchange and verification of data between multiple entities that use compatible business management systems utilizes serializable data transfer objects to transfer business data over a secure communication path. A conversion algorithm transforms a subset of the business data contained within the transfer objects, and the resulting data string is compared to data strings from other objects that are related to the transaction and which were transformed by the same conversion algorithm. If the data strings are not identical, a discrepancy exists. Serializable objects link all data objects relating to a given business transaction. An interface allows users to view and manage data contained in data objects, including discrepancies between compared objects.
US09577976B2 Registering client computing devices for online communication sessions
Registering a client computing device for online communication sessions. A registration server receives a message that has a push token that is unique to the client computing device and a phone number of the client computing device from an SMS (Short Message Service) transit device, which received an SMS message having the push token from the client computing device and determined the phone number of the client computing device from that SMS message. The registration server associates the push token and the phone number and stores it in a registration data store, which is used for inviting users for online communication sessions.
US09577974B1 Methods, devices, and mediums associated with manipulating social data from streaming services
In one example, an electronic device may be configured to receive over a network a user selection of media information that corresponds to a media streaming server, wherein the received user selection corresponds to a first account of the media streaming server. The electronic device may be configured to determine a second account that corresponds to an electronic messaging server in response to receiving the user selection. The second account may be different than the first account. The electronic device may be configured to cause a message including at least a portion of the media information to be electronically delivered to the electronic messaging server using the second account.
US09577972B1 Message inspection in a distributed strict queue
Methods and systems for implementing message inspection in a distributed strict queue are disclosed. A plurality of messages are inspected. Based on the inspecting, individual messages are classified for regular processing or for other processing. The messages classified for regular processing are distributed to queue servers based on their values for a strict order parameter; messages that share a value are distributed to the same queue server. The messages classified for regular processing are enqueued at the queue servers. Messages that share a value for the strict order parameter are enqueued in a strict order based on the time of receipt at the queue server. One or more other actions are performed for the messages classified for other processing.
US09577970B2 E-mail Proxy
In one embodiment, a method for processing an e-mail message addressed to an e-mail client is disclosed. The method comprises receiving at a mail server an e-mail message addressed to the e-mail client, the e-mail message including an attachment which is characterized by a size; reducing the size of the attachment to create a reduced size attachment; preparing a formatted message, which includes the reduced size attachment and a link to the attachment, wherein the attachment is downloadable from the mail server using the link; and delivering the formatted message to the e-mail client for display on a computational device.
US09577969B2 Singing telegram
A method for generating an electronic message having the appearance of an individual performing a song with a musical artist includes: receiving a selection of a video segment, receiving an image of an individual's face, receiving a recording of the individual signing the song, generating the electronic message from the video segment, receiving information about a recipient of the electronic message, and transmitting the electronic message to the recipient. The video segment includes: a song, a musical artist performing the song, and a character performing the song with the musical artist. Generating the electronic message includes: overlaying the image of the individual's face onto a facial area of the character, simulating movement of one or more facial features of the image, and synchronizing the recording of the individual signing the song with the simulated movement of the facial features.
US09577968B2 Messaging system and method
A method of cross-platform messaging including receiving, by a messaging system, at least one initial message having a message format, an initial message layout and data indicative of at least one user associated with the at least one initial message, and before delivery to a destination communication device associated with the at least one user, converting, by the messaging system, an initial message into an adapted message, and facilitating, by the messaging system, delivery of the adapted message to the destination communication device. The adapted message is characterized by, at least, an adapted message layout, and the adapted message layout differs from the initial message layout in a characteristic associated with respective message layout such as number of media objects, a graphical image of a media object, a size of a placeholder related to a media object, and a location of a media object within a respective message layout.
US09577967B2 Method and system for managing an informational site using a social networking application
A computer server supporting a social networking application that has multiple users, each user having a unique social networking application account identifier, is used for generating and managing an informational site accessible to the multiple users. Upon receipt of an informational site establishment request from a first client device, the informational site establishment request including a social networking application account identifier of a user of the first client device, the computer server establishes, according to the informational site establishment request, an informational site corresponding to the social networking application account identifier. The computer server then publishes a link to the informational site to users associated with a plurality of social networking application account identifiers of the social networking application, enabling the users to access the informational site from their accounts of the social networking application in the form of instant message exchanges.
US09577965B2 Method and device for posting microblog message
Described are a method and a device for posting a microblog message. The method includes: acquiring text content input by a user in a microblog text box; monitoring a posting operating instruction for the text content; calculating the number of the characters of the text content; determining whether the number of the characters of the text contents exceeds a preset-threshold; if the number of the characters of the text content exceeds the preset threshold, converting the text content into a format of messages according to a user selection from a plurality of format settings, and posting the format of the messages as a microblog message, or splitting the text content into multiple microblog message being less than the preset threshold; and if the number of the characters of the text content does not exceed the preset threshold, directly posting the text content as the microblog message.
US09577964B2 Broadcasting in chat system without topic-specific rooms
A method, system, and graphical user interface for a chat system is disclosed. A server with processor(s) and memory obtains a plurality of incoming messages, where the plurality of incoming messages include one or more external messages and one or more in-system messages from authors in the communication system, the one or more external messages are generated from one or more external sources. The server identifies one or more messages from a first author among the plurality of incoming messages in the communication system and receives a feedback message from a first user of the communication system about at least one of: the first author and a first message of the one or more popular messages. The server sends to a plurality of users of the communication system the first message and the feedback message from the first user, where the plurality of users track the first author.
US09577962B2 Dynamic buffering method and apparatus for providing streaming
A method of dynamically buffering content for providing a streaming service is provided. The method includes estimating a maximum amount of decrease in a network speed based on a result of measuring a network, and determining an amount of data to be buffered so that additional buffering, after playback of content is started, does not cause playback interruption, based on a maximum amount of decrease in the network speed, a total size of the content, a speed of playing the content, and a speed of receiving the content.
US09577959B2 Hierarchical caching system for lossless network packet capture applications
A system for providing lossless hierarchical caching is disclosed. The system may process, in a first thread, a first set of a plurality of packets in a first cache. Then, the system may determine if a condition associated with processing the first set of the packets indicates that there is potential for packet loss. If the system determines that there is potential for packet loss, a copy of a portion of the first set of the packets may be transmitted to a second cache. The system may process, in a second thread, the copy of the portion of the first set of the packets in the second cache. Additionally, the system may transmit a subset of packets from the first set of packets to a reorder queue for reordering the subset of packets if the subset of packets contain an identifier associated with the reorder queue.
US09577958B2 Method and apparatus for implementing communication between virtual machines
In a method and an apparatus provided for implementing communication between virtual machines, a first switch receives an ARP response from an SDN controller, where the ARP response carries a MAC address of a destination gateway; the first switch acquires, according to the MAC address of the destination gateway, VTEP information corresponding to the MAC address of the destination gateway, where a router corresponding to the VTEP information is located in a first data center; and the first switch sends, according to the VTEP information, an IP packet to the router corresponding to the VTEP information, so that the router corresponding to the VTEP information sends the IP packet to a second virtual machine through a tunnel between the router and a second switch.
US09577954B2 Time domain duplex (TDD) switching system
Time domain duplex (TDD) is contemplated, including controlling switches and/or amplifiers to facilitate signaling between a network and a plurality of end stations (ESs) according to a TDD control strategy. The TDD control strategy may be characterized by preventing simultaneous upstream and downstream communication between the network and one or more of the ESs over a particular frequency band. The TDD control strategy may be limited to a particular frequency range such that signaling outside of frequency range may be simultaneously communicated upstream and downstream.
US09577952B2 Secure metering and accounting for cloud services
Managing a service is provided. Information is collected about use of a set of resources by the service. A request is received to verify information regarding a selected portion of a period of time during the use of the set of resources by the service. A description of the use of the set of resources by the service during the selected portion of the period of time is generated using the collected information in response to receiving the request to verify the information regarding the selected portion of the period of time during the use of the set of resources by the service. A response to the request is created using the generated description of the use of the set of resources by the service during the selected portion of the period of time as proof of validity of the information.
US09577943B1 Tiered services in border gateway protocol flow specification
A device may receive information, via one or more border gateway protocol messages, identifying a first network traffic service and a second network traffic service. The device may map the information identifying the first network traffic service and the second network traffic service to information identifying a first tier of service for the first network traffic service and a second tier of service for the second network traffic service. The device may perform a first action and a second action, respectively associated with the first network traffic service and the second network traffic service, on the incoming network traffic, based on an order of the first tier of service, for the first network traffic service, and the second tier of service, for the second network traffic service, in a priority ordering of the set of network traffic services.
US09577942B2 Communication terminal apparatus and method of performing communication by using plurality of network interfaces mounted on the communication terminal apparatus
Provided is a method of performing communication by using a plurality of network interfaces mounted on a communication terminal apparatus. The method includes allocating different Internet protocol (IP) addresses corresponding to the plurality of network interfaces to a plurality of applications of the communication terminal apparatus, relaying data transmitted or received between the plurality of applications and the plurality of network interfaces based on the allocated IP addresses, and simultaneously performing communication with an external network by the plurality of network interfaces through the relaying of the data.
US09577939B2 Method and apparatus for distributing EtherChannel load based on variance
Techniques are disclosed for determining a preferred hashing algorithm for load balancing physical interface utilization in a network device, such as a switch, configured with a port-channel architecture. While a current hashing algorithm is being applied to network traffic flows, a forwarding engine of the network device retrieves snapshot data of each flow and evaluates the flows against other hashing algorithms. The forwarding engine, for each hashing algorithm result, calculates statistical measures, such as mean, variance, and coefficient of variation. These measures are used to determine the preferred hashing algorithm to subsequently be applied. Once determined, the networking device may notify a user (e.g., a system administrator) of the algorithm.
US09577935B2 Unified congestion control for real-time media support
Various implementations disclosed herein enable congestion control systems and methods that are agnostic of the availability of congestion notification types, and are simultaneously responsive to multiple types of network congestion indicators—including both implicit (e.g., loss and delay) and explicit (e.g., marking) congestion indicators. For example, some implementations include a congestion control method that includes obtaining a composite congestion indicator value associated with multiple types of network congestion indicators, and determining a reference rate value based on a function of the composite congestion indicator value. The composite congestion indicator value represents a combination of one or more delay values associated with respective types of network congestion indicators. The reference rate value is representative of a baseline transmission rate from the first device that at least partially mitigates network congestion signaled by the network congestion indicators.
US09577930B2 Method for determining multicast path, method for receiving data packet, and router
Embodiments of the present invention relate to a method for determining a multicast path, a method for receiving a data packet, and a router. The method for determining a multicast path includes: receiving, by a multicast address translation router, a first multicast join request packet, where the first multicast join request packet is an IPV4 packet, or the first multicast join request packet is an Internet Protocol version 6 IPV6 packet and a multicast address of the first multicast join request packet is an IPV6 multicast address obtained by performing Internet Protocol version translation on an IPV4 multicast address; and determining a shorter path between a first path and a second path. The multicast address translation router may determine the shorter path between the first path and the second path, thereby implementing a method for selecting a shorter path from the paths of different network types, which improves multicast efficiency.
US09577928B2 System and method for supporting data service addressing in an engineered system for middleware and application execution
A system and method can support data service address resolution in a network environment. An intermediate node can receive an incoming data packet from a source node, wherein the incoming data packet targets a destination node, and wherein the incoming data packet includes a global identifier for the destination node and a local identifier for the intermediate node. Furthermore, the intermediate node can obtain local addressing information for the destination node based on the global identifier for the destination node. Then, the intermediate node can send an outgoing data packet to the destination node based on the obtained local addressing information for the destination node.
US09577927B2 Encoding control plane information in transport protocol source port field and applications thereof in network virtualization
A novel method that uses the source port field in the transport or connection layer (L4) header to encode control plane information is provided. Specifically, the method encodes control plane information in UDP or TCP source port field of data plane tunnels in an overlay network such as VXLAN. Network virtualization is implemented by a network controller over an overlay network on the physical fabric. The network controller provides a mapping table to the data plane hosts for mapping the encoded bits in the source port field to semantically richer information. The data plane hosts in turn uses the encoded source bits and the mapping table to infer this semantically richer information. This semantically richer information is used to allow receivers of proxied traffic to learn the address of the original sender. The semantically richer information can also be used to enable ECMP for the transmitted packets.
US09577924B2 SDN-based network device with extended function and method of processing packet in the same device
Extension of a function of an Software defined networking (SDN) network device is provided. The network device includes a plurality of flow tables, a plurality of function modules configured to perform different processing on a packet, and an entry module configured to determine an operation to be performed first on the packet between a table search operation and a function module execution operation, in which as a result of the operation determined by the entry module, a table search operation or a function module execution operation to be performed next is designated, and the designation is repeated until an output instruction for the packet is given.
US09577922B2 Selectively combining uplink signals in distributed antenna systems
Certain aspects involve selectively combining uplink transmissions in a distributed antenna system (“DAS”). For example, a unit of the DAS can receive baseband uplink transmissions from remote units of the DAS via a first channel and a second channel. The unit can generate a first combined uplink signal by combining baseband uplink transmissions received from a first subset of the remote units via the first channel that include data for transmission to a base station. The unit can generate a second combined uplink signal that includes baseband uplink transmissions received from a second subset of the remote units via the second channel and excludes or attenuates baseband uplink transmissions that are received from the first subset of the remote units via the second channel and that lack data for transmission to the base station are excluded or attenuated. The unit can transmit the combined uplink signals to the base station.
US09577917B2 Loop avoidance for event-driven virtual link aggregation
Embodiments of the invention relate to virtual link aggregation. One embodiment includes forming one or more virtual links using physical links connecting a first networking element, a second networking element and a third networking element. A first trigger status indication is used for blocking network traffic for avoiding traffic loops occurring over the one or more virtual links.
US09577914B2 Eliminating IPV6 neighbor solicitations in constrained computer networks
In one embodiment, the techniques herein provide that a node may receive a packet from a neighboring node in a low power and lossy network (LLN). The node may then extract, from the packet, a link-layer source address from a link layer header and an internet protocol (IP) source address from an IP header. The node may then determine whether the neighboring node originated the packet and, based on that determination, the node may correlate the link-layer source address with the IP source address to provide neighbor discovery.
US09577910B2 Systems and methods for configuring a probe server network using a reliability model
Implementations relate to systems and methods for configuring a probe server network using a reliability model. A company, customer, or organization may wish to outsource the management of a set of name servers used to operate a domain name, such as a domain name associated with a Web site. In aspects, that deployment of name servers can be monitored by a separate set of failover or probe servers which are configured to track the uptime, operability, and performance of the underlying name servers, which can number in the thousands. An administrator or other user may wish to determine a minimum number of probe servers to apply to the name server topology, to achieve desired service levels. According to aspects, automated tools and logic are provided which model and simulate the overall network including the number and arrangement of necessary probe servers to ensure performance, failover reliability, and other factors.
US09577909B2 System and method of traffic inspection and stateful connection forwarding among geographically dispersed network appliances organized as clusters
A peering relationship among two or more network appliances is established through an exchange of control messages among the network appliances. The peering relationship defines a cluster of peered network appliances, and at each network appliance of the cluster traffic flow state information for all the network appliances of the cluster is maintained. Network traffic associated with traffic flows of the network appliances of the cluster is managed according to the state information for the traffic flows. This managing of the network traffic may include forwarding among the network appliances of the cluster (i.e., to those of the appliances handling the respective flows) at least some of the network traffic associated with one or more of the traffic flows according to the state information for the one or more traffic flows. The traffic flows may be TCP connections or UDP flows.
US09577908B2 Integrated switch tap arrangement and methods thereof
An integrated switch tap device for managing and monitoring network traffic is provided. The device includes a set of network ports for receiving and outputting the network traffic. The device also includes a first logic arrangement for performing routing functionalities and a first CPU for processing the routing functionalities. The device further includes a set of monitoring ports that is coupled to one or more monitoring devices. The device yet also includes a first tap module, which is configured at least for intercepting at least part of the network traffic flowing through the network device, creating a copy of at least part of the network traffic, and forwarding the copy to at least one of the set of monitoring ports. The device moreover includes a second CPU configured at least for processing tap functionalities associated with the first tap module.
US09577906B2 Scalable performance monitoring using dynamic flow sampling
Techniques for scalable performance monitoring using dynamic flow sampling are described. According to one approach, a method comprises intercepting, at an intermediary network device, one or more packets traveling between a source device and a destination device; identifying, at the intermediary network device, a traffic flow based on the one or more packets; determining, at the intermediary network device, whether to collect one or more metrics from the traffic flow based on one or more performance factors of the intermediary network device; in response to a determination to collect the one or more metrics from the traffic flow, the intermediary network collecting the one or more metrics from subsequently intercepted packets belonging to the traffic flow; wherein the method is performed by one or more computing devices.
US09577905B2 Packet tracing through control and data plane operations
Improved debugging capabilities for network packet path tracing. Embodiments trace both the control and data planes. During control plane operations each switch appends its identity to the payload, providing a full trace of the control plan path. Responses containing the forward path payload are provided back at each hop, the responses being routing back by tracing back the forward direction control plane. The data plane is monitored by setting traps along the control plane path, with responses at each hop that indicate a given switch has been used being returned along the control plane path.
US09577903B2 Monitoring activity on a computer
A mechanism of monitoring activity on a computer which may be applied to measuring the performance of the computer. The computer is configured to track a first set of information relating to at least a first occurrence of at least one scenario on the computer. At least some of the first set of information is evaluated to make a determination about the first occurrence of the scenario. Based on that determination, the computer may be configured to track a second set of information relating to at least a second occurrence of the scenario on the computer, in which the second set of information includes at least some types of information not tracked in the first set of information. The second set of information can then be evaluated.
US09577901B2 Method and arrangement for suppressing messages from a medical system
A method for suppressing messages from a medical system in a remote maintenance center during maintenance work includes generating an item of start information that indicates a start of the maintenance work on the medical system. The method also includes transmitting the start information to the remote maintenance center, and generating an item of end information that indicates an end of the maintenance work on the medical system. The method includes transmitting the end information to the remote maintenance center and suppressing the messages that are sent from the medical system to the remote maintenance center in a time between the start information and the end information, in the remote maintenance center.
US09577899B2 Network bandwith regulation using traffic scheduling
Disclosed herein are systems and methods for regulating network bandwidth by means of monitoring network traffic, predicting network loads, and scheduling traffic utilizing traffic reporting and bandwidth reservation mechanisms. These systems and methods may reduce network congestion and support more efficient processing by network applications. Traffic reporting may comprise broadcasting control messages to network nodes indicating appropriate times to send and receive messages. Network nodes may use traffic reports (e.g., control messages) to proactively regulate their use of the network. Bandwidth reservation may allow network nodes to do productive processing while waiting to send and receive data, and may decrease mean wait times. Reservations may be implemented in a synchronous or asynchronous manner. In an exemplary embodiment, the reservation mechanism may emulate a traditional stream socket API. Embodiments enabling enhanced TV applications to run more effectively over cable TV out-of-band networks are described.
US09577898B1 Identifying IP traffic from multiple hosts behind a network address translation device
A method for profiling network traffic of a network. The method includes capturing packets based at least on a common source IP address shared by each of the packets, where said each packet is assigned a source timestamp by a source of said each packet and further assigned a capture timestamp by a packet capturing device, identifying a first portion of the packets as a first flow and a second portion of the packets as a second flow, extracting a first monotonic timestamp-pair (MTSP) sequence and a second MTSP sequence from the first flow and the second flow, respectively, comparing the first MTSP sequence and the second MTSP sequence to generate a result, and determining, based on the result, whether the first flow and the second flow are generated by a single host of the network.
US09577897B2 Providing visualizations of event sequence data
The present disclosure is directed toward systems and methods for analyzing event sequence data. Additionally, the present disclosure is directed toward systems and methods for providing visualizations of event sequence data analyses. For example, systems and methods described herein can analyze event sequence data related to websites and provide matrix-based visualizations of the event sequence data. The matrix-based visualization can be interactive and can allow a user to trace changes in traffic volume across webpages and hyperlinks of a website.
US09577894B1 System and method for codification and representation of situational and complex application behavioral patterns
Systems and methods may receive process data corresponding to respective activated processes performed in a network. The process data may include identity data and activity data. The identity data may identify an identity that activated the respective activated processes. The activity data may identify a function performed by the respective activated processes. The systems and methods may determine an identity token that corresponds to the identity data. The systems and methods may determine an activity token that corresponds to the activity data. The systems and methods may determine log data for the respective activated processes. The log data may include the identity token and the activity token for each of the respective activated processes. The systems and methods may generate a map based on the log data.
US09577893B1 System and method for cached streaming application isolation
A system, method, and computer readable medium for providing optimized streaming of one or more applications from streaming servers onto one or more clients. The one or more applications are contained within one or move isolated environments, and the isolated environments are streamed from the servers onto clients. The streaming is optimized using update-caches which are maintained on the streaming server and compared against the client's most recent update-caches. The update-caches are updated when applications are installed, removed or patched inside particular isolated environment and when the operating system is patched or updated. The system may include authentication of the streaming servers and authentication of clients and credentialing of the isolated environments and applications the clients are configured to run. The system may further include encrypted communication between the streaming servers and the clients. The system may further include a management interface where administrators may add, remove and configure isolated environments, configure client policies and credentials, and force upgrades. The streamed isolated environments may be isolated from other applications and the host operating system on the clients and applications within the isolated environments may run without performing an application-installation on the client.
US09577891B1 Method and system for defining and consolidating policies based on complex group membership
A method includes selecting an item. The method further includes determining a plurality of groups. The item is associated with each of the plurality of groups. The method includes determining a plurality of group policies for a policy type. Each of the plurality of group policies corresponds to one of the plurality of groups and comprises a setting. The method includes ranking the plurality of group policies based on a first predetermined priority. The method further includes generating a consolidated item policy. The consolidated item policy includes the settings in the plurality of group policies prioritized based on the ranking of the plurality of group policies. The method further includes assigning the consolidated item policy to the item.
US09577889B1 Managing page-level usage data
Systems and methods are disclosed which facilitate management and monitoring of page-level usage data. Specifically, a client computing device may retrieve content from a remote system for local display. A local interaction monitoring component may monitor local interaction with the content, and transmit local interaction information to the remote system. In one embodiment, interaction may be monitored with regard to predefined portions of the content. In another embodiment, interaction may be transmitted to the remote server for processing, in order to generate page-level usage data. In still more embodiments, page level-usage data may be processed or formatted in order to facilitate ease of retrieval and display. In yet more embodiments, the remote system may enable clients, such as administrators, to view aggregate page-level usage data why viewing a corresponding content.
US09577887B2 ICM foot-print with UPOE support
Power Over Ethernet (POE)/universal power over Ethernet (UPoE) may be enabled at multigigabit port-channel connections. This may allow for additional speed support in auto-negotiation messages while employing multigigabit speeds. An integrated connector module (referred to herein as a “ICM”) compatible with UPoE with a modified local physical layer (PHY) circuit may be capable of supporting multi-gigabit data rates (such as between 1 G to 10 G, e.g., 2.5 G and 5 G) as to not limit the data rates to 1 G. The ICM may provide multi-gig data transmission through a first plurality of pins comprising a multi-gig data pin area. Furthermore, the ICM may provide UPoE power to support the multi-gig transmission through a second plurality of pins comprising a UPoE power pin area.
US09577886B2 Method and system for service group management in a cable network
A cable modem termination system (CMTS) may determine, for a plurality of cable modems served by the CMTS, a corresponding plurality of SNR-related metrics. The CMTS may assigning the modems among a plurality of service groups based on the SNR-related metrics. For any one of the modems, the CMTS may configure physical layer communication parameters to be used by the one of the modems based on a SNR-related metric of a service group to which the one of the modems is assigned. The physical layer communication parameters may include one or more of: transmit power, receive sensitivity, timeslot duration, modulation type, modulation order, forward error correction (FEC) type, and FEC code rate. The CMTS and the modems may communicate using orthogonal frequency division multiplexing (OFDM) over a plurality of subcarriers, and the physical layer communication parameters may be determined on a per-subcarrier basis.
US09577884B2 Enterprise quality assurance and lab management tool
Embodiments of the invention are directed to a system, method, or computer program product for configuring multiple computing devices over a network using a single software application. Each of the multiple computing devices may be accessible over a network. The invention links each of the multiple computing devices to the single software application. The invention determines commands which are executable by each of the multiple computing devices to configure each of the multiple computing devices. The invention further communicates the commands based on receiving user input in the single software application. The invention then determines whether each of the multiple computing devices were correctly configured. The invention may further track the configuration process of the devices using tests and procedures. The invention tracks information related to the configuration of the devices and displays such information in report form as a result of receiving a report request in the single software application.
US09577883B2 Method and system of automated compliance management
A method and system of automated compliance management is disclosed. The method includes receiving an application call from a remote information handling system (IHS) running an application, the application including a function configured to invoke the application call. The method also includes determining a location of operation of the remote IHS and determining a compliance criterion of the application based on the location of operation of the remote IHS. The method further includes sending a response to the application call from the remote IHS, the response including information for configuring the application to comply with the compliance criterion. Associated apparatuses and systems are disclosed.
US09577879B1 Methods and apparatus for dynamic automated configuration within a control plane of a switch fabric
In one embodiment, a method includes receiving a first identifier and a private key after a network device has been included in a data center switch fabric control plane, authenticating the network device based on the private key, sending a second identifier to the network device, and sending a control signal to the network device based on the second identifier. The first identifier is associated with the network device and unique within a segment of the data center switch fabric control plane. The second identifier is unique within the segment of the data center switch fabric control plane.
US09577873B2 Method and a system for providing a flexible secondary data path
A method and an apparatus for providing a flexible secondary data path control, said method comprising the steps of: detecting (S1) a primary data path failure of a primary data path between a customer premise site (3) and a central office site (4); initiating (S2) a corresponding secondary data path if a primary data path failure of said primary data path has been detected; initiating (S3) a measurement of data path characteristics of said initiated secondary path or utilizing constantly monitored data path characteristics of paths for an available secondary data path; and determining (S4) services to be provided via said secondary data path depending on the measured data path characteristics of said secondary data path.
US09577871B2 Method and device of interface registration for a network device to join in a cluster system
A method of interface registration for a network device to join in a cluster system, comprises: when the network device joins in the cluster system, the network device's local interconnection board sends its board number to the network device's local main control board, the network device's local non-interconnection board receives the board number sent by the local main control board, wherein the local interconnection board is a board on which interfaces for interconnecting the network device to network devices in the cluster system are located; after the cluster interface registration of the local non-interconnection board and local interconnection board on the cluster main control board, the local non-interconnection board and the local interconnection board receive and store a mapping relationship between local interface information of the network device and global interface information of the network device sent by the cluster main control board respectively.
US09577869B2 Collaborative method and system to balance workload distribution
A method, system and program product for balanced workload distribution in a plurality of networked computing nodes. The networked computing nodes may be arranged as a connected graph defining at least one direct neighbor to each networked computing node. The method comprises determining a first workload indicator of the i-th computing node, at a first stage before a new task may be started by the i-th computing node, determining an estimated workload indicator of the i-th computing node, assuming that the new task is performed at a second stage on the i-th computing node, determining estimated workload indicators of each direct neighbor assuming that the new task is performed at the second stage, deciding whether to move the new task to another computing node, and moving the new task to one of the direct neighboring computing nodes of the i-th computing node such that workloads are balanced.
US09577866B2 Distributed vehicle service method and system
A method and system for conducting a vehicle service comprises the steps of receiving signals representative of vehicle parameters, accessing data and/or software necessary for performing the vehicle service from at least one remote computer over a data transmission network, and performing signal processing related to the vehicle service based on the signals representative of the vehicle parameters and the accessed data and/or software. Since the data and/or software necessary for conducting the vehicle diagnostic analysis is distributed in different systems that are connected via a data communication network, an automotive service system can minimize the size of software stored locally and can access most of the information and/or algorithm required for conducting the vehicle diagnostic analysis from a remote system.
US09577849B2 MIMO wireless communication systems
A wireless communication system is described which includes a transmitter operable to transmit a transmitted signal, the transmitter having one or more transmitting antennae, a receiver operable to receive a received signal, the receiver having one or more receiving antennae, wherein lattice reduction is used in obtaining, at the receiver, an estimate of the transmitted signal based on the received signal, characterized in that the lattice reduction utilizes a lattice reduction matrix, a decomposed representation of which is transmitted between the transmitter and the receiver.
US09577846B2 MBSFN-aware adaptive channel estimation
Apparatus and methods for channel estimation in a Multimedia Broadcast Multicast Service (MBMS) Single Frequency Network (MBSFN) are disclosed. A representative method includes a wireless communication device receiving multiple frames, each frame including multiple subframes, each subframe including multiple symbols. The wireless communication device determines whether subframes include MBMS data or not. For subframes that include MBMS data, the wireless communication device excludes all or certain symbols of the subframes that include MBMS data from a channel estimation process. The wireless communication device determines whether the subframes include MBMS data based at least in part on a channel impulse response and/or a channel energy response for one or more symbols of the subframes.
US09577845B2 Multiple active L3 gateways for logical networks
Some embodiments provide a method for a network controller in a network control system that manages a plurality of logical networks. The method receives a specification of a logical network that comprises a logical router with a logical port that connects to an external network. The method selects several host machines to host a L3 gateway that implements the connection to the external network for the logical router from a set of host machines designated for hosting logical routers. The method generates data tuples for provisioning a set of managed forwarding elements that implement the logical network to send data packets that require processing by the L3 gateway to the selected host machines. The data tuples specify for the managed forwarding elements to distribute the data packets across the selected host machines.
US09577844B2 Multimedia terminal device having integrated telephone system and user interface method
Customer premise equipment provides a communication gateway with a network of a service provider and includes a multimedia terminal device for installation on the customer's premises typically at an out-of-the-way location. The multimedia terminal device includes a modem having an embedded media terminal adaptor and an integrated telephone base station, for instance, to provide both Internet connectivity and Voice-over-Internet-Protocol telephone service to the customer premises. A portable cordless telephone handset communicates via wireless communication signals with the telephone base station thereby providing telephone service to the premises. The handset is also capable of transmitting commands to the telephone base station for purposes of providing a user interface for the components of the multimedia terminal device. For example, as a result of a sent command, status or other information can be forwarded to the handset, the modem can be instructed to reboot, a test can be initiated on the multimedia terminal device, or a set up operation can be accomplished. The display screen of the handset can be used to provide the customer with the requested information or results.
US09577837B2 Method and apparatus for discovering communication entity
Disclosed herein are an apparatus and method for discovering a communication entity. The apparatus for discovering a communication entity includes a list generation unit for generating a list of connection target Data Readers (DRs), a counter generation unit for generating a counter including information about a number of the connection target DRs, and a discovery message communication unit for establishing communication connections to the connection target DRs based on the list and the counter. The discovery message communication unit includes a transmission unit for transmitting a DR discovery message including data topic information or possible service quality information to each of the connection target DRs, and a reception unit for receiving a Data Writer (DW) discovery message including data topic information or possible service quality information from each of the connection target DRs.
US09577835B2 Online chats without displaying confidential information
Systems and methods are provided for online chats without displaying confidential information. A system sends, from a first online chat participant, an information request to a second online chat participant. The system receives, from the second online chat participant, a response based on the information request. The system notifies the first online chat participant of receiving the response from the second online chat participant without displaying confidential information of the response to the first online chat participant.
US09577834B2 Generalized certificate use in policy-based secure messaging environments
Within a secure messaging environment, a determination is made that a request to send a message has been generated by a message sender. A message protection policy configured to process the message within the secure messaging environment is identified. The message protection policy specifies that, within the secure messaging environment, a secured digital certificate, other than a digital certificate of the message sender, is configured with an associated private key to digitally sign the message on behalf of the message sender. Based upon the message protection policy, a determination is made to digitally sign the message using the private key of the secured digital certificate. The message is signed on behalf of the message sender using the private key of the secured digital certificate.
US09577831B2 Relational encryption
A method includes receiving biometric data, the biometric data non-uniformly distributed and processing the biometric data to a level of randomness as a plaintext vector, the level of randomness associated with a security level. The method also includes encrypting the plaintext vector using a relational linearity encryption scheme to generate a linearity ciphertext representative of the plaintext vector, encrypting the plaintext vector using a relational proximity encryption scheme to generate a proximity ciphertext representative of the plaintext vector, and communicating the linearity ciphertext and the proximity ciphertext to an authentication server. The method further includes receiving from the authentication server an authentication signal for the security level indicative of a linearity relationship between the linearity ciphertext and a registration linearity ciphertext discovered using a relational linearity key and of a proximity relationship between the proximity ciphertext and a registration proximity ciphertext detected using a relational proximity key.
US09577829B1 Multi-party computation services
A system and method of performing a multi-party computation by determining a function for use in the multi-party computation, receiving a plurality of input values for the function, evaluating the function based at least in part on the plurality of input values to generate a result wherein the result is not usable to determine an input of the plurality of input values, and providing an output based at least in part on the result.
US09577827B2 Information processing device, information processing method, and program
There is provided an information processing device including a secret key generator that generates a secret key from a random number received from an external device that provides a service, and a given value, a public key generator that generates a public key on the basis of the secret key by using a function identically set in a plurality of the services, a transmitter that transmits the public key to the external device, and an authentication processor that conducts authentication with the external device using the secret key.
US09577825B2 Quantum key distribution via pulse position modulation
A system and method for distributing a quantum key from a first party to a second party. A first node is connected to a public channel, wherein the first node includes a pulse position modulation encoder connected to a quantum channel. A second node is connected to the public channel, wherein the second node includes a pulse position modulation decoder connected to the quantum channel. The pulse position modulation encoder encodes quantum states |0> and |1>, and transmits the encoded quantum states from the first node to the second node via the quantum channel. Quantum state |1> is encoded as |1>≡(|t1>+|t2>)/√{square root over (2)}.
US09577824B2 Delivering a content item from a server to a device
Methods and systems for delivering a segmented content item from a server to a first and second device are provided. A first key is used to encrypt the segmented content item into a first plurality of encrypted segments and a second key is used to encrypt the segmented content item into a second plurality of encrypted segments. The first and second keys are different. The first plurality of encrypted segments is delivered to the first device, and the second plurality of encrypted segments is delivered to the second device.
US09577817B2 Method and apparatus for providing in-vehicle network time synchronization using redundant grandmaster
A method for providing network time synchronization using a redundant grandmaster includes sensing a loss of the grandmaster. A sync message is generated according to a sensed result. The generated sync message is transmitted through a clock master port.
US09577814B2 Method and apparatus for allocating resources in carrier aggregation system
A method and apparatus for allocating resources in a base station (BS) in a carrier aggregation (CA) system is provided. The method and apparatus includes configuring a first cell and a second cell for a first user equipment (UE), identifying at least one second subframes of the first cell, the at least one second subframe being associated with feedback information to be received in a first subframe of the first cell, and at least one third subframes of the second cell, determining whether there is a downlink (DL) data transmission in the at least one third subframe of the second cell, and determining to allocate the other frequency resources, which are other than a frequency resource used for transmission of the feedback information in the first subframe, to a second UE, if there is no DL data transmission in the at least one third subframe of the second cell.
US09577811B2 Methods and systems for frequency multiplexed communication in dense wireless environments
Systems, methods, and devices for high-efficiency wireless frequency division multiplexing are provided. A method includes determining, at an access point, a performance characteristic for each wireless device in a set of wireless devices associated with the access point. The method further includes categorizing each wireless device in the set into at least a first and second subset of wireless devices based on the performance characteristic. The method further includes receiving communications from the first subset of wireless devices on a first set of wireless frequencies. The method further includes receiving communications from the second subset of wireless devices on a second set of wireless frequencies, the second set of wireless frequencies being a subset of the first. The first set of wireless devices have a higher performance characteristic than the second set of wireless devices.
US09577805B2 Channel-sounding method using a plurality of antennas, and apparatus for same
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and to an apparatus for transmitting an SRS in a multi-antenna system. The method comprises the steps of: acquiring specific information for discriminating a first antenna group and a second antenna group from among a plurality of antennas, wherein said first antenna group includes one or more antennas which are set to a turned-on state to perform communication with a base station, and said second antenna group includes one or more other antennas which are set to a turned-off state; transmitting an SRS to the base station if a predetermined condition is satisfied, under the condition that the second antenna group is set to the turned-off state; and setting the second antenna group to a turned-off state after the transmission of the SRS.
US09577803B2 ACK/NAK bit bundling in carrier aggregation scenarios
Techniques are disclosed for ACK/NAK bit bundling in carrier aggregation scenarios. Such measures exemplarily comprise generating a set of acknowledgement bits confirming receipt of payload data of a radio frame in a carrier aggregation mode aggregating a primary and at least one secondary carrier, said radio frame being divided into a plurality of downlink subframes and uplink subframes, each of said downlink subframes comprising at least one codeword per carrier, each of said acknowledgement bits is allocated to one of said codewords of one of said downlink subframes, and applying spatial domain bundling and/or time domain bundling on said set of acknowledgement bits distinctive for each of said primary and said at least one secondary carrier, wherein said spatial domain bundling is an AND operation of all acknowledgement bits allocated to each codeword of one carrier of said primary and said at least one secondary carrier and one downlink subframe.
US09577802B2 Methods, network node, and user equipment related to channel spacing
It is presented a method for obtaining a capability of channel spacing between component carriers used in carrier aggregation for a user equipment, UE. The method is performed in a network node and comprises the step of: determining, from a plurality of alternatives, the capability of channel spacing for the UE based on signalling between the UE and the network node, the channel spacing capability comprising at least one of the alternatives of: a multiple of 300 kHz, a multiple of 15 kHz and any other channel spacing. A corresponding network node and UE are also presented.
US09577794B2 Electro-optic device and stereoscopic vision display apparatus
An electro-optic device includes: an electro-optic panel displaying a display image with illumination light emitted from an illumination device; a display control circuit controlling the electro-optic panel to display a right-eye image during a right display period and display a left-eye image during a left display period; a glasses control circuit controlling a right-eye shutter of stereoscopic vision glasses so as to maintain an open state during the right display period, controlling a left-eye shutter of stereoscopic vision glasses so as to maintain an open state during the left display period, and controlling both the right-eye shutter and the left-eye shutter so as to maintain a close state during a blocking period; and an illumination control circuit controlling the illumination device to vary an intensity of the illumination light in a pulsed shape during the blocking period.
US09577793B2 Soft buffer management
Soft buffer management circuitry is provided for use in a device of a wireless communication system. The soft buffer management circuitry has input circuitry for receiving information relating to an aggregated carrier comprising a plurality, NDU/ULcells, of configured component carriers. Control circuitry is provided for prioritizing allocation of storage in the soft buffer depending on a carrier index value indicating a prioritization of a corresponding component carrier relative to the other configured component carriers. The buffer is partitioned into a number min (NC, NDL/ULcells) partitions, where NC gives a number of carriers for which soft buffer storage is to be prioritized. A UE comprising the soft buffer management circuitry and a soft buffer management method are also provided.
US09577789B2 Frequency deinterleaving and time deinterleaving circuit, method thereof and receiving circuit of digital television
A receiving circuit for a digital television is provided. The receiving circuit of the digital television, adapted to process a digital television signal to generate transmission data, includes: a front-end circuit, configured to process the digital television signal to generate an interleaved signal; a setting unit, configured to provide a setting value associated with a digital video standard of the digital television signal; a frequency de-interleaving and time de-interleaving circuit, configured to select a frequency de-interleaving scheme and a time de-interleaving scheme corresponding to different digital video standards according to the setting value, and to process the interleaved signal to generate a de-interleaved signal; a quadrature amplitude modulation (QAM) demapping circuit, configured to demap the de-interleaved signal to generate a demapped signal; and a decoder, configured to decode the demapped signal to generate the transmission data.
US09577788B2 Coding apparatus, coding method, data communication apparatus, and data communication method
A 4B5B encoder converts an inputted 4-bit data into a pattern of a 5-bit data in which (i) the number of bits of consecutive “0” data values is permitted to be maximum two, and, simultaneously, (ii) maximum one bit of head end two bits is permitted to have a “0” data value and maximum one bit of tail end two bits is permitted to have a “0” data value. A 5N-bit command encoder converts a command into a command pattern in which the number of bits contained in consecutive “0” data values is permitted to be maximum two. The data after the conversion and the command after the conversion are converted into NRZI codes by an NRZI encoder.
US09577787B2 Robust low rate data channel in LPI mode for energy-efficient ethernet applications
A communication technique for energy efficient Ethernet (EEE) employs a systematic block forward error correcting code (FEC). The technique aligns a low power idle (LPI) refresh signal with the FEC frame. The refresh signal includes a known reference sequence, FEC systematic symbols, and FEC parity symbols. The technique may apply shortened FEC encoding and decoding on the partial data symbols and the parity symbols.
US09577786B2 Pilot symbol generation for highly-spectrally-efficient communications
A transmitter may be operable to generate a sequence of symbols which may comprise information symbols and one or more pilot symbols. The transmitter may transmit the information symbols at a first power and transmit the one or more pilot symbols at a second power. In instances when a particular performance indicator is below a determined threshold, the first power may be set to a first value and the second power may be set to zero value. In instances when the particular performance indicator is above the determined threshold, the first power may be set to a second value and the second power may be set to a non-zero value. A value of the first power and a value of the second power may be based on an applicable average power limit determined by a communications standard with which the transmitter is to comply.
US09577781B2 Optical transmission apparatus and optical transmission control method
An optical transmission apparatus includes: a variable optical attenuation section configured to independently adjust, for each wavelength, attenuation of light of a plurality of wavelengths and adjust output optical power of wavelength multiplexed light that is output to an optical transmission line by adjustment of the attenuation; and a control section configured to stop, in accordance with control in which a wavelength included in the wavelength multiplexed light in a first wavelength band is wavelength-shifted to a second wavelength band that is different from the first wavelength band, adjustment of attenuation performed on the first wavelength band by the variable optical attenuation section.
US09577772B2 Measuring device and measuring method for dynamically measuring carrier aggregation signals
A measuring device for measuring a response of a device under test to a carrier aggregation signal is provided. The measuring device comprises a signal generator configured to generate the carrier aggregation signal, which comprises a first carrier signal and/or a second carrier signal. The measuring device comprises a control unit configured to control the signal generator to user-selectably, individually and dynamically, activate and deactivate the carrier signals within the carrier aggregation signal.
US09577769B2 Built-in self-test technique for detection of imperfectly connected antenna in OFDM transceivers
An OFDM communication transceiver, which is configured to test its connection with an antenna circuit unit, has a receiver chain and an emitting chain. The receiver chain includes a time-to-frequency transform unit and the emitting chain includes a frequency-to-time transform unit. The transceiver further includes means for disconnecting the receiver chain to the antenna circuit unit, means for providing a stimulus as input to the emitting chain, means for reintroducing the signal at the output of the emitting chain as an input of the receiving chain, means for determining a circuit resonance frequency, Fr, and a quality factor, Q, of a transfer function computed from the output of the time-to-frequency transform unit, and means for deciding about the connection of said antenna circuit unit according to the resonance frequency and the quality factor.
US09577766B2 Grid-controlled X-ray source and space X-ray communication system and method
The disclosure relates to a grid-controlled X-ray source, a space X-ray communication system and a space X-ray communication method. The structure of the grid-controlled X-ray source is: one end of the filament is grounded and the other end is connected with the anode of a power supply, the thermionic cathode is located at the side of the filament and the emergence hole thereof faces the filament, the modulation grid is an electrode plate with a small hole which faces the emergence hole of the thermionic cathode, the electronic beam focusing electrode is located on the two sides of the small hole of the modulation grid to form a focusing channel facing the small hole, an electronic beam is focused by the electronic beam focusing electrode and then transmitted to the metallic target anode, wherein the transmitting surface of the metallic target anode faces the outlet of the focusing channel and the other surface is connected with the anode of the power supply, and the output window is located on an reflection path of the electronic beam which is from the metallic target anode. The disclosure solves the technical problems that the signal-to-noise ratio of communication is low, the error rate error rate of communication is high and the speed of communication is low when an X ray is used for implementing communication in the conventional art, and has the advantages of long communication distance and the low error rate of communication.
US09577765B2 Article storage facility and method of operating same
A main controller controls carry in operations and carry out operations of articles to or from an article storage rack using article transport devices by causing a control command to be transmitted from a first optical communication device that is associated with each article transport device to a second optical communication device provided to each article transport device. The main controller is configured to perform a temporally-divided light-emission control in which a plurality of the first optical communication devices are caused to emit light in a temporally divided manner such that there is only one first optical communication device that emits light in any one time period among the first optical communication devices that are located close to one another in the vertical direction.
US09577760B2 Pulsed light communication key
A Universal Serial Bus (USB) key may include an optical transceiver having a USB interface for engagement to an electronic device such as a laptop computer or other USB-configured device. The USB key may include a converter or buffering, isolation, modulation or amplification circuitry. The USB key sends and receives data signals which may be carried upon an optical transmission as generated by an LED light source which in turn is in communication with a host device such as a network processor. The USB key may also include operational amplifiers (op-amps) and transistor amplifiers.
US09577754B2 Nonradiative communication terminal and communication system using visible light for communication
A nonradiative communication terminal and a communication system which use visible light for communication are provided. The nonradiative communication terminal includes a visible light emission module, a visible light reception module, and a central processing unit. The visible light emission module and the visible light reception module are connected with the central processing unit. By using visible light to communicate with other visible light communication terminals, the advantages, such as nonradiation, saving frequency resources, stability and reliability in communication performance, low-cost communication, and high transmission speed are achieved.
US09577752B1 Wirelessly powered passive optical power meter
Systems and apparatus for a wirelessly-powered passive optical power meter device. In one aspect, an optical power meter device comprises a power circuit connected to one or more antennas, the circuit including an RF to DC converter that generates a DC power signal that provides a DC power source for the optical power meter from an RF signal received by the one or more antennas, a photodetector that generates a power measurement signal that measures the power of the optical input signal, and a communication circuit that is connected to the one or more antennas, the photodetector, and the power circuit that when powered by the DC power source generates a modulation signal that is responsive to the power measurement signal and that causes the one of the one or more antennas to convey the power measurement signal to a reader device that is transmitting the RF signal.
US09577750B2 Multifunctional micro sensor system
A measurement device relates to a Halios system for measuring an optical transmission path, in which at least one receiver and a compensation transmitter are optically separated from each other by an optical barrier in such a matter that a direct irradiation of said receiver by said compensation transmitter is not possible. Said compensation transmitter and a transmitter are of the same type and/or have at least a common electric optical working point in an optical working point. Said optical barrier has a compensation path, characterized by a compensation window, which attenuates the light of the compensation transmitter before it hits the receiver in such a manner that the compensation transmitter and said transmitter are operated at least in an optical working point by a controller in said identical electro-optical working point.
US09577743B2 Communications system having a secure credentials storage device
The invention relates to a communication system comprising a terminal (10), a first device (1) adapted to exchange data with said terminal (10), a second device (2) adapted to exchange data with said terminal (10), characterized in that it comprises means for pairing said first (1) and second (2) devices so as said second device (2) exchanges data with said terminal (10) through said first device (1).
US09577740B2 Radio communication system and communication method
A communication system includes a plurality of DeNBs (base stations) and a plurality of RNs (relay nodes), wherein each RN has a radio connection with a DeNB. Each DeNB acquires time resource configuration applied between another base station and a relay node connected with said another base station.
US09577739B2 Communication devices, mobile terminal, in a cooperative communication system
A communication device that is capable of communicating with a mobile terminal in cooperation with another communication device, and is capable of communicating with the mobile terminal via the other communication device. This communication device characteristically includes: a mode selecting unit configured to select one of a cooperative communication mode and a relayed communication mode, the cooperative communication mode being for transmitting notification information to the mobile terminal, the notification information being for causing the other communication device to perform a cooperative communication, the relayed communication mode being for causing the other communication device to relay notification information to the mobile terminal; and a mode information transmitting unit configured to transmit mode information to the other communication device, the mode information indicating a result from the mode selecting unit.
US09577737B2 Antenna apparatus and method for beam forming thereof
Provided is an antenna apparatus equipped with a single RF chain. The antenna apparatus includes: a combiner configured to divide omnidirectional space into N sectors to perform a sector sweep, combine a reception signal received via the single RF chain for each sector and calculate a gain of a composite signal; a comparator configured to determine a gain magnitude of the composite signal; and a controller configured to perform a beam-forming according to a comparison result of the gain magnitude of the comparator.
US09577735B2 Method for transmitting a signal in multi-antenna communication system
A multi-input multi-output (MIMO) system considers either reliability for each antenna or a time/frequency location, and transmits a signal at an unequal ratio for each antenna according to the consideration result. The method for use in the MIMO system including multiple antennas includes processing a signal according to an unequal ratio transmission scheme employing the multiple antennas at an unequal ratio, and transmitting the processed signal via the multiple antennas.
US09577731B1 Radio frequency communication with antenna index coding
The inventors have recognized that in RF communication systems, by switching between transmit antennas of an RF transmitter on a sub-symbol basis (antenna index coding), and/or by adaptively determining how often antenna switching occurs (adaptive antenna hopping), an increased amount of data may be wirelessly transmitted to an RF receiver without significantly increasing energy consumption. The inventors have determined that in certain systems, such as ZigBee, data symbols consist of elementary waveform patterns, and that such waveform patterns for transmit antennas may be stored by an RF receiver for later determining transmit antennas for data symbols. The inventors have also determined that the invention may be applied in the frequency domain, such as to OFDM, by storing subcarrier waveform patterns for particular transmit antennas and later determining transmit antennas for subcarriers of data symbols.
US09577727B2 Enforcing station fairness with MU-MIMO deployments
A non-transitory computer readable medium including instructions which, when executed by one or more hardware processors, causes performance of operations. The operations include: obtaining a first pathloss value for a first data transmitted between a first device and a second device; receiving, at a first component of the first device, a second data to be transmitted to the second device; based at least on the first pathloss value: selecting a first subset of the second data for transmission from the first component to a second component of the first device, where the second component is configured for causing transmission of the first subset of the second data to the second device; transmitting, during a first period of time from the first component to the second component, the first subset of the second data.
US09577719B2 Wireless device and near-field wireless communication method
The data to be supposed to be processed by a microcontroller unit (MCU) of the near-field wireless communication module in a wireless device is processed by a digital signal processor (DSP) of the module instead of the MCU in order to expedite processing of commands.
US09577718B2 Systems and methods for inductively coupled communications
A method for inductively coupled communications is described. The method includes generating a retransmitted modulated signal that is stronger than a received signal from a first device. The method also includes generating a suppressed carrier signal from the retransmitted modulated signal for retransmission to the first device. The method further includes filtering a superimposed signal of the suppressed carrier signal on the received signal to attenuate modulation sidebands. The method additionally includes synchronizing to the first device based on the filtered signal.
US09577716B2 Avoiding NFC communication collisions between accessories and user equipment
An accessory for a user equipment (UE) includes a housing and a near field communication (NFC) circuit. The housing is slid on the UE to become attached in a stored position relative to the UE. The NFC circuit is attached at a location on the housing and configured to become powered by inductive coupling to signals emitted by another NFC circuit within the UE to temporarily operate to transmit data to the other NFC circuit within the UE as the accessory NFC circuit passes over the other UE NFC circuit while the housing is being slid on the UE before reaching the stored position relative to the UE. While the housing is in the stored position relative to the UE, the NFC circuit may be configured to be inhibited from transmitting data to the other NFC circuit within the UE irrespective of whether the other NFC circuit within the UE is emitting signals to attempt to provide inductive coupling to the NFC circuit.
US09577711B2 Display device, method of operating a display device, and computer program product
There is provided a display device comprising a processing unit, a display unit coupled to the processing unit and a near field communication unit coupled to the processing unit, wherein said processing unit is arranged to synchronize display messages to be displayed by the display unit with corresponding near field communication messages to be stored in the near field communication unit. Furthermore, a corresponding method of operating a display device is conceived. Furthermore, a corresponding computer program product is provided.
US09577703B2 System and method for low density spreading modulation detection
In one embodiment, a method for blindly detecting low density activity includes receiving, by a first node from a second node, a signal and executing a joint message passing algorithm (JMPA) on the signal, where executing the JMPA includes jointly producing a decoded signal and an activity list in accordance with the decoded signal, and calculating a plurality of a priori probabilities in accordance with a plurality of log likelihood ratios (LLRs) corresponding to the signal and a plurality of decoded LLRs.
US09577701B2 Reconfigurable communication device and method
A communication device includes a transmitter operable to couple to a plurality of transceivers via a plurality of transmission channels, transmit payload data via the plurality of transmission channels, and obtain monitored transmission conditions for one or more transmission channels in the plurality of transmission channels. During operation, the transmitter is further operable to generate reconfiguration request signals resultant from processing the monitored transmission conditions and transmit the reconfiguration request signals on transmission channels in the plurality of transmission channels.
US09577700B2 Radio with asymmetrical directional antenna sub-arrays
An intelligent backhaul radio that has an advanced antenna system for use in PTP or PMP topologies. The antenna system provides a significant diversity benefit. Antenna configurations are disclosed that provide for increased transmitter to receiver isolation, adaptive polarization and MIMO transmission equalization. Adaptive optimization of transmission parameters based upon side information provided in the form of metric feedback from a far end receiver utilizing the antenna system is also disclosed.
US09577699B2 Dual antenna topology for bluetooth and IEEE 802.11 wireless local area network devices
A method includes determining that an antenna shared between a Bluetooth transceiver and a WLAN transceiver is available to the WLAN transceiver based on an activity signal associated with the Bluetooth transceiver. Access to the shared antenna is provided to the WLAN transceiver based on the determination, and the WLAN transceiver is configured to use diversity in transacting WLAN signals via a plurality of antennas, including the shared antenna. Access to the shared antenna is transferred from the WLAN transceiver to the Bluetooth transceiver based on the activity signal.
US09577694B1 Support structure to enable use of tablet computer by persons with limited manual dexterity
A system and method provide a stable support for a portable electronic device such as a tablet computer, a personal digital assistant, a smartphone, or the like. The system includes a support structure that rests on a table, a tray or other platform positioned proximate to a person using the portable electronic device. The support structure has a non-skid base positioned on the platform and has an upper surface positioned at a selected angle with respect to the base. The upper surface includes a recess that receives a configuration frame (or insert). The configuration frame includes an opening to receive and retain the portable electronic device. The configuration frame is rotatable to at least two positions to orient the portable electronic device in at least two orientations (e.g., portrait and landscape) with respect to the person. In certain embodiments, the presentation angle of the upper surface is variable.
US09577693B2 Bluetooth headset and wristwatch including the same
A wristwatch includes a watch body having a display part on an upper surface thereof and having a seating part at an outline part of the display part, and a Bluetooth headset including a sound output unit that outputs sound information received from a master terminal, having a shape corresponding to an outline part of the display part to surround the display part, seated in the seating part, and installed to be attached to and detached from the watch body, the Bluetooth headset being a slaver terminal of the master terminal that functions as a body case or a bezel of the watch body.
US09577691B2 Front end circuit
A front end circuit includes a switch including a common terminal and a plurality of individual terminals, in which at least two kinds of reception signals of different frequency bands are input to the common terminal, and in which one of the at least two kinds of reception signals is output to an individual terminal selected from the plurality of individual terminals, and in which a non-selected terminal is grounded, and a balun including a first terminal and a second terminal defining unbalanced ports as well as a third terminal and a fourth terminal defining balanced ports. The first individual terminal of the switch is indirectly connected to the first terminal of the balun and the second individual terminal of the switch is indirectly connected to the second terminal of the balun. The at least two kinds of reception signals are output in a balanced mode from the third terminal and the fourth terminal of the balun.
US09577689B2 Apparatus and methods for wide bandwidth analog-to-digital conversion of quadrature receive signals
Apparatus and methods for analog-to-digital conversion of quadrature receive signals are provided herein. In certain implementations, a transceiver system includes at least a first pair of analog-to-digital converters (ADCs) associated with a first quadrature receiver channel and a second pair of ADCs associated with a second quadrature receiver channel. The first and second pairs of ADCs can provide analog-to-digital conversion of the same receive signal, but can have different noise profiles relative to one another, such as a low pass noise profile and a band pass noise profile. The transceiver system can further include a reconstruction filter for combining the outputs of at least the first and second pairs of ADCs to generate output signals associated with a lower overall noise profile relative to that of either pair of ADCs alone.
US09577687B2 Multiple interferer cancellation for communications systems
An interference cancellation system (ICS) may be used with a communication system to prevent or minimize interference from one or more sources. The ICS may receive radio RF signals comprised of one or more signals of interest (SOI) and multiple interfering signals. The ICS may use a sample of the interfering signals to cancel the interfering signals from the SOI. The multiple interfering signals may be converted into a single optical signal for cancellation. One or more optical cancellation paths may be used for interference cancellation. Each optical cancellation path may include an optical attenuator and/or an optical delay to achieve phase shifts and/or delays for interference cancellation.
US09577685B1 Pre-distortion calibration
A system includes baseband circuitry and a transmitter. The electrical behavior of the transmitter may cause distortion effects in the transmit output of the transmitter during transmissions based on input signals from the baseband circuitry. The baseband circuitry may reference a calibration evaluation function for multiple transmit variables to pre-distort the input signal to compensate for the distortion effect. Pre-distortion calibration logic may generate the evaluation function using a one-dimensional calibration technique. The evaluation function may facilitate the baseband accessing calibration data without necessarily relying on a look-up table. In some cases, a one-dimensional calibration for multiple transmit variables may use fewer calibration points than a similarly accurate multi-dimensional calibration.
US09577682B2 Adaptive forward error correction (FEC) system and method
In a network for reliable transfer of packets from a transmitter to a receiver using an Internet Protocol (IP), a system for packet recovery comprising a detection block (detector) for packet loss detection and a probe device (probe) for Forward Error Correction (FEC) packets transmission, wherein the detector includes means for sending a missing packet report to the probe upon detecting a missing packet, wherein the probe includes means for storing received packets, sending FEC packets and adapting a size of the FEC packets to an error rate computed from the missing packet reports, wherein the size of FEC packets is made larger or smaller responsive to the error rate increasing or decreasing, respectively, and wherein the probe is located close to the transmitter for reliable packets reception and the detector is located close to the receiver for reliably detecting loss of packets in a receiver's surroundings.
US09577681B2 Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 2/15 and 256-symbol mapping, and bit interleaving method using same
A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 2/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 256-symbol mapping.
US09577679B2 Transmitting apparatus and signal processing method thereof
A transmitting apparatus and a receiving apparatus are provided. The transmitting apparatus includes an encoder configured to generate a low density parity check (LDPC) codeword by performing LDPC encoding, an interleaver configured to interleave the LDPC codeword, and a modulator configured to modulate the interleaved LDPC codeword according to a modulation method to generate a modulation symbol. The interleaver performs interleaving by dividing the LDPC codeword into a plurality of groups, rearranging an order of the plurality of groups in group units, and dividing the plurality of rearranged groups based on a modulation order according to the modulation method.
US09577675B1 System and method for encoding user data with low-density parity-check codes with flexible redundant parity check matrix structures
A system including a first module, a second module and a third module. The first module is configured to generate a first parity check matrix. The second module is configured to append an appended matrix to the first parity check matrix to generate a resultant parity check matrix. The appended matrix includes additional elements. The third module is configured to receive user data and encode the user data based on the resultant parity check matrix.
US09577672B2 Low density parity-check code decoder and decoding method thereof
The present disclosure illustrates a low density parity-check code decoder adapted for decoding coding data having bit nodes and check nodes. The decoder includes a calculation module and a memory. The calculation module includes k calculation units and n shift units, and the memory includes n memory units. The memory is coupled to the calculation module. Each shift unit is one-to-many coupled to the k calculation units. The n memory units are coupled to the n shift units. The calculation module operatively divides the coding data into n first-bit-strings. The ith calculation unit operatively generates a second-bit-string by calculating ith bits of the n first-bit-strings. The jth shift unit operatively generates a third-bit-string upon receiving jth bits of the k second-bit-strings, and shifts the third-bit-string. The memory units are configured for storing the n shifted third-bit-strings respectively.
US09577666B2 Method and system
A method includes: setting a first and a second storage regions; first creating a first compression code of a compression target data in a file using a identifier indicating the data in the first storage region when a predetermined first consistency between the compression target data and the data in the first storage region is detected; comparing the compression target data with data in the second storage region when the predetermined first consistency between the compression target data and the data in the first storage region is not detected, the compression target data being moved to the second storage region after the comparing; and storing the compression target data into the first storage region associated with a identifier indicating the data in the first storage region when a predetermined second consistency between the compression target data and the data in the second storage region is detected.
US09577657B1 Delta sigma patterns for calibrating a digital-to-analog converter
A digital to analog converter (DAC) maps a digital word to an analog output. The DAC bits may have amplitude and timing errors. These errors (or sometimes referred herein as “non-idealities”) result in distortion and degradation of the dynamic range in DACs. To reduce these negative effects, delta-sigma patterns can be provided to two bit cells, a reference bit cell and a bit cell under calibration, to perform, e.g., amplitude calibration and timing skew calibration. Delta-sigma patterns are particularly advantageous over square wave signals, which cannot be scaled to perform amplitude calibration between bit cells having different bit weights and are limited in frequency to integer fractions of the sampling clock.
US09577655B2 Method and system for time interleaved analog-to-digital converter timing mismatch estimation and compensation
Methods and systems for time interleaved analog-to-digital converter timing mismatch calibration and compensation may include receiving an analog signal on a chip, converting the analog signal to a digital signal utilizing a time interleaved analog-to-digital-converter (ADC), and reducing a blocker signal that is aliased onto a desired signal by a timing offset in the time interleaved ADC by estimating complex coupling coefficients between a desired digital output signal and the blocker signal. A decorrelation algorithm may comprise a symmetric adaptive decorrelation algorithm. The received analog signal may be generated by a calibration tone generator on the chip. An aliased signal may be summed with an output signal from a multiplier. The complex coupling coefficients may be determined utilizing the decorrelation algorithm on the summed signals. A multiplier may be configured to cancel the blocker signal utilizing the determined complex coupling coefficients.
US09577652B2 Atomic resonance transition device, atomic oscillator, electronic apparatus, and moving object
An atomic resonance transition device includes a gas cell having an internal space that seals an alkali metal, a light emitter that emits excitation light containing a resonance light pair that causes the alkali metal to resonate toward the alkali metal, and a magnetic field generator that applies a magnetic field to the alkali metal. The excitation light diverges in a width direction in the internal space as the light travels from a side where the excitation light is incident toward a side where the excitation light exits, and the magnetic field from the magnetic field generator has a portion where the intensity of the magnetic field increases in the internal space with distance from the side where the excitation light is incident toward the side where the excitation light exits.
US09577648B2 Semiconductor device and method for accurate clock domain synchronization over a wide frequency range
A clock synchronization circuit has a clock sync detector. A first variable delay circuit is coupled to a first input of the clock sync detector. A controller is coupled to a digital output of the clock sync detector and a control input of the first variable delay circuit. A first clock signal is coupled to the first variable delay circuit. A second clock signal is coupled to a second input of the clock sync detector. The clock sync detector includes a first flip-flop and a first delay element coupled between the first variable delay circuit and a data input of the first flip-flop. A second variable delay circuit is coupled to a second input of the clock sync detector. A multiplexer is coupled between the first variable delay circuit and the first input of the clock sync detector. An offset compensation calibrates the clock sync detector.
US09577647B2 Systems and methods for temperature compensated oscillators having low noise
A voltage controlled oscillator arrangement is disclosed. The arrangement includes a voltage controlled oscillator and a bypass component. The voltage controlled oscillator has an output and a tuning port. The output provides an output signal at an operating frequency. The tuning port is configured to select the operating frequency according to an applied voltage. The voltage controlled oscillator has active portions and inactive portions. During the active portions, the output signal is at a non-zero value. The bypass component is configured to apply a bypass compensating signal to the tuning port during the active portions of the voltage controlled oscillator. The bypass compensating signal compensates for an oscillator temperature of the voltage controlled oscillator.
US09577646B1 Fractional phase locked loop (PLL) architecture
In one embodiment, method for frequency division comprises propagating a modulus signal up a chain of cascaded divider stages from a last one of the divider stages to a first one of the divider stages, and, for each of the divider stages, generating a respective local load signal when the modulus signal propagates out of the divider stage. The method also comprises, for each of the divider stages, inputting one or more respective control bits to the divider stage based on the respective local load signal, the one or more respective control bits setting a divider value of the divider stage.
US09577644B2 Reconfigurable logic architecture
According to one general aspect, an apparatus may include a plurality of stacked integrated circuit dies. The dies may include a memory cell die configured to store data in a random access fashion. The dies may also include a look-up table die comprising a random access memory array that, in turn, includes a reconfigurable look-up table. The reconfigurable look-up table may be configured to perform a logic function. The reconfigurable look-up table may include a plurality of random access memory cells configured to store a look-up table to perform a logic function, and a local row decoder configured to activate one or more rows of memory cells based upon a set of input signals. The look-up table stored in the plurality of memory cells may be configured to be dynamically altered via a memory write operation to the random access memory array.
US09577641B2 Spin transfer torque based memory elements for programmable device arrays
Disclosed herein are semiconductor device arrays, such as, Field Programmable Gate Arrays (FPGAs) and Complex Programmable Logic Arrays (CPLAs) that use high-density Spin Transfer Torque (STT)-based memory elements. STT-based memory elements can either be stand-alone FPGAs/CPLAs, or can be embedded in microprocessors and/or digital signal processing (DSP) system-on-chip (SoC) to provide design flexibility for implementing low power, scalable, secure and reconfigurable hardware architecture. Because the configuration is stored on the FPGA/CPLA die itself, the need for loading the configuration from external storage every time is eliminated when the device is powered on. In addition to instant startup, eliminating configuration I/O traffic results in power savings and possible pin count reduction. Security is greatly improved by eliminating the need to store configuration data in an external memory.
US09577640B1 Flexible, space-efficient I/O circuitry for integrated circuits
Flexible, space-efficient I/O architectures for integrated circuits simplify circuit design and shorten design times. In one aspect, cells for power supply pads are eliminated, in part by locating ESD circuitry for these pads underneath the pads themselves, leaving only signal I/O buffers. Pads coupled to the signal I/O buffers may be defined as either signal I/O pads or power supply pads in accordance with customization circuitry. Customization circuitry also provides for flexible bank architectures, where signal I/O buffers within a bank share power supply requirements that may be different from another bank. The number of banks and the number of signal I/O buffers belonging to each bank is flexibly defined. In other aspects, ESD circuitry is provided at corners of the IC layout and optionally within selected I/O slots. Decap circuitry is provided at an outer edge of the IC layout and is scalable in order to meet different requirements.
US09577639B1 Source separated cell
A MOS device includes a first MOS transistor having a first MOS transistor source, a first MOS transistor drain, and a first MOS transistor gate. The MOS device also includes a second MOS transistor having a second MOS transistor source, a second MOS transistor drain, and a second MOS transistor gate. The second MOS transistor source and the first MOS transistor source are coupled to a first voltage source. The MOS device includes a third MOS transistor having a third MOS transistor gate, the third MOS transistor gate between the first MOS transistor source and the third MOS transistor source, the third MOS transistor further having a third MOS transistor source and a third MOS transistor drain, the third MOS transistor source being coupled to the first MOS transistor source, the third MOS transistor drain being coupled to the second MOS transistor source, the third MOS transistor gate floating.
US09577636B1 Substate bias voltage generation circuits and methods to control leakage in semiconductor memory device
A semiconductor device may be provided. The semiconductor device may include a first switching control signal generation circuit configured to generate a first switching control signal which is enabled in synchronization with a time when a first delay period has passed from a time when a power-down mode is entered. The semiconductor device may include a second switching control signal generation circuit configured to generate a second switching control signal which is enabled during a period from a time when a read operation mode or a write operation mode is entered to a time when a second delay period has passed.
US09577635B2 Clock-gating cell with low area, low power, and low setup time
A CGC includes an enable module and a latch module. The enable module has an enable module input and an enable module output. The latch module has latch module inputs and a latch module output. The latch module inputs include a latch module clock input for receiving a clock and a latch module enable input for receiving the enable module output. The latch module enable input is coupled to the enable module output. The latch module is configured to enable and to disable the clock via the latch module output based on the enable module input. The latch module includes an internal enable node that is the latch module output. The latch module is configured to cause the internal enable node to transition from low to high as a function of the enable module output and ĒC, where E is the internal enable node and C is the clock.
US09577631B2 Single pole multi-throw switch
A single-pole multi-throw switch includes a set of selection switches. The set of selection switches includes a set of primary switches, a first set and a second set of secondary switches. The primary set of switches includes a plurality of primary transistors coupled in series for transmitting radio frequency signals. The first set of secondary switches is coupled to the primary set of switches and includes a plurality of first secondary transistors coupled in series for transmitting the radio frequency signals when the primary transistors and the first secondary transistors are turned on. The second set of secondary switches is coupled to the primary set of switches and includes a plurality of second secondary transistors coupled in series for transmitting the radio frequency signals when the primary transistors and the second secondary transistors are turned on.
US09577630B2 Adaptive system controlled power supply transient filter
An electronic device that includes a power on reset, a variable power supply filter coupled to the power on reset, and control logic coupled to the power on reset and the variable power supply filter. The control logic is configured to activate the variable power supply filter based on a core domain of the electronic device being active.
US09577623B2 Capacitive parametric zero crossing detector device, circuit and method
A capacitive parametric zero crossing detection circuit has a nonlinear voltage controlled capacitive device coupled to an input voltage to convert a zero crossing current pulse into zero crossing voltage signal.
US09577620B2 Printed circuit arrangement and method of forming the same
In various embodiments, a printed circuit arrangement may be provided. The printed circuit arrangement may include a processor circuit. The printed circuit arrangement may further include a printed main circuit arrangement in electrical connection with a first input node of the processor circuit. The printed main circuit arrangement may be configured to receive at least one input signal and generate a main circuit signal based on the at least one input signal after a first delay from receiving the at least one input signal. The printed circuit arrangement may further include a printed reference circuit arrangement in electrical connection with a second input node of the processor circuit. The printed reference circuit arrangement may be configured to receive a further input signal, may have a second delay and may be configured such that the second delay adapts to the first delay.
US09577615B1 Circuits for and methods of reducing duty-cycle distortion in an integrated circuit implementing dual-edge clocking
A circuit for reducing duty-cycle distortion in an integrated circuit implementing dual-edge clocking is described. The circuit also comprises a plurality of circuit elements that enable the routing of data generated at outputs of the circuit elements; a plurality of register circuits that store data at outputs of the plurality of circuit elements; a clock circuit routing a clock signal to clock inputs of the plurality of register circuits; and a pulsed-controlled register circuit coupled to an output of a circuit element and generating a pulsed output coupled to a clock input of a register of the pulse-controlled register circuit; wherein the pulsed output is coupled to the clock input of the register to enable the pulse-controlled register circuit to store data at a time that is different than an edge of the clock signal. A method of reducing duty-cycle distortion in an integrated circuit implementing dual-edge clocking is also described.
US09577613B2 Dual loop voltage regulator based on inverter amplifier and voltage regulating method thereof
A voltage regulator includes a pass element, a buffer, and an error amplifier. The voltage regulator further includes a fast push-pull driver that has an inverter type amplification structure, is connected between a power output and a control input of the pass element, and reduces positive and negative peaks of the power output at a speed faster than a speed of a main feedback loop.
US09577611B2 Controlling clock input buffers
An integrated circuit may have a clock input pin coupled to a buffer (24). The buffer may supply a clock signal (28) to an integrated circuit chip such as the memory. To conserve power, the buffer is powered down. When ready for use, the buffer is quickly powered back up. In one embodiment, in response to a predetermined number of toggles Of the clock signal, the buffer is automatically powered up.
US09577608B2 Discrete time lowpass filter
A discrete time (DT) lowpass filter having various advantages is described. In an exemplary design, the DT lowpass filter includes a decimating DT filter (which may include a passive DT FIR filter and/or a passive DT IIR filter) and an active DT filter. The decimating DT filter receives a first DT signal at a first sample rate, filters and decimates the first DT signal by a factor of N, and provides a second DT signal at a second sample rate lower than the first sample rate. N may be greater than one. The active DT filter filters the second DT signal and provides a third DT signal at the second sample rate. A sampler samples a continuous time signal and provides the first DT signal. The sampler may further double the voltage of the first DT signal relative to the voltage of the continuous time signal.
US09577603B2 Solidly mounted acoustic resonator having multiple lateral features
A solidly mounted resonator (SMR) includes an acoustic resonator on a substrate, the acoustic resonator having multiple acoustic impedance layers having different acoustic impedances, respectively. The SMR further includes a bottom electrode on a top acoustic impedance layer of the plurality of acoustic impedance layers, a piezoelectric layer on the bottom electrode, a top electrode on the piezoelectric layer, and multiple lateral features on a surface of the top electrode. The lateral features include multiple stepped structures.
US09577601B2 Broadcast serial bus termination
A subsea broadcast serial bus system includes a broadcast serial bus having a first signal line and a second signal line. One or more nodes are connected in parallel to the first signal line and the second signal line of the broadcast serial bus. Each node connects the first signal line to the second signal line via a node impedance. A subsea node connected to the broadcast serial bus includes an adjustable impedance that may be adjusted based on the number of nodes connected to the broadcast serial bus.
US09577600B2 Variable load for reflection-type phase shifters
Methods and systems for phase shifting include a hybrid quadrature coupler having an input, an output, and two termination loads. Each termination load includes multiple terminations, each termination having a varactor; and one or more transmission lines separating the terminations. A control module is configured to determine a phase shift and gain to apply to the input and to independently control a capacitance of each varactor such that the output of the hybrid quadrature coupler is shifted by the determined phase shift relative to the input with the determined gain.
US09577599B2 Production-process-optimized filter device
A filter device for filtering electrical currents or electromagnetic interference, particularly common-mode interference. The filter device has a soft-magnetic core with a passage, a printed circuit board with a plurality of electronic components, and a holding section. The holding section of the printed circuit board can be put through the core passage wherein the passage is designed such that the holding section and the electronic components arranged on the holding section can be put through the passage.
US09577595B2 Sound processing apparatus, sound processing method, and program
The present technique relates to a sound processing apparatus, a sound processing method, and a program which are configured to obtain higher quality sound. In order to obtain an objective characteristic, the sound processing apparatus previously holds a characteristic of the sound processing apparatus, generates an inverse characteristic filter of the characteristic of the sound processing apparatus, and generates a correction filter from the obtained filter and a filter having the objective characteristic. The sound processing apparatus uses the generated correction filter to subject a sound signal to be reproduced to filter processing, and reproduces sound based on the obtained sound signal. Therefore, a characteristic to be originally obtained can be achieved. The present technique can be applied to the sound processing apparatus.
US09577591B2 Multistage differential power amplifier having interstage power limiter
A differential power amplifier has at least an input stage and an output stage. A first output stage amplifier is configured to receive a first portion of a differential signal from the input stage at a first output stage input and provide a first amplified signal at a first output stage output. The second output stage amplifier is configured to receive a second portion of the differential signal from the input stage at a second output stage input and provide a second amplified signal at a second output stage output. Power limiter circuitry is connected to the first and/or output stage inputs and is configured to limit a power level of the differential signal prior to being received at the output stage, such that the differential power amplifier and associated filters are not damaged, while the nominal performance of the differential power amplifier at rated power is not significantly affected.
US09577585B2 Ultra wideband doherty amplifier
A Doherty amplifier for amplifying an input signal to an output signal, the Doherty amplifier comprising: a main amplifier for receiving a first signal and for amplifying the first signal to generate a first amplified signal; a first peak amplifier for receiving a second signal and for generating a second amplified signal, the first peak amplifier only operating when the second signal has reached a first threshold power, the first and second signal split from the input signal; and output circuitry to combine the first and second amplified signals to generate an output signal having an operating bandwidth, the output circuitry comprising inductors arranged in the format of a branch line coupler, the inductors coupled to the output parasitic capacitances of the main and peak amplifier.
US09577584B2 Amplifier circuit and method
A first amplifier is coupled to an output node via a first line having first and second portions. A second amplifier is coupled to the output node via a second line having first and second portions. An auxiliary amplifier is coupled via an auxiliary line network to a first intersection between the first and second portions of the first line, and to a second intersection between the first and second portions of the second line. For each of the first and second lines, the first and second portions have a higher-impedance portion and a lower-impedance portion whose combined length is a half wavelength. Lengths of the respective first portions of the first and second lines sum to half a wavelength, and the lengths of the respective second portions of the first and second lines sum to half a wavelength.
US09577582B2 Method of reducing power dissipation in a switching amplifier and circuit implementing such method
A method is for reducing power dissipation in a switching amplifier. The method may include comparing a load current with a ripple current and, if the load current is greater than the ripple current, then detecting a first potential value at a first output terminal of the switching amplifier, detecting a second potential value at a second output terminal of the switching amplifier, detecting a third potential value between first and the second terminals of a first capacitor, and coupling the first terminal of the first capacitor to one of the first output terminal and the second output terminal. The second terminal of the first capacitor may be coupled to a reference voltage, the first output terminal, or the second output terminal based upon whether the first potential value or the second potential value is equal to the third potential value.
US09577576B1 Biased passive mixer
Certain aspects of the present disclosure provide techniques and circuits for frequency mixing signals. One example circuit generally includes a transformer comprising a primary winding and a secondary winding, the transformer configured to generate a signal across the secondary winding based on a signal at an input node coupled to the primary winding, and a first mixer coupled to the secondary winding of the transformer and configured to convert a frequency of the signal across the secondary winding. In certain aspects, the circuit also includes a biasing circuit having an output coupled to a tap of the secondary winding and configured to generate a biasing voltage by applying an offset voltage to a common-mode voltage of the first mixer and apply the biasing voltage to the tap of the secondary winding to bias the first mixer.
US09577574B2 Resonator, resonator device, oscillator, electronic apparatus, and moving object
A resonator includes: a resonator element including a quartz crystal substrate that includes a first area performing a thickness-shear vibration and a second area with a thickness thinner than the first area and located around the first area; and a base substrate to which the second area of the resonator element on one edge side thereof is attached via a bonding material. The quartz crystal substrate has a major surface that is a surface including an X-axis and a Z′-axis, and has a thickness in a direction along a Y′-axis. The resonator satisfies the relation: 1.5×λ≦Xp where Xp is the maximum length of an area of the second area where the bonding material is bonded along the X-axis in a plan view and λ is the wavelength of a flexural vibration occurring in the quartz crystal substrate.
US09577570B2 Drive system for a vehicle trailer maneuvering drive
Disclosed are drive systems for a vehicle trailer maneuvering drives, some embodiments having a motor unit and a voltage source for supplying the motor unit, wherein the motor unit comprises a brushed electric motor with motor shaft and a motor controller that may include a speed detection unit for detecting the speed of the motor shaft and a control and regulating unit for the motor, for its voltage supply.
US09577569B2 Motor control system of electric vehicle and controlling method for motor control system of electric vehicle and electric vehicle
A motor control system of an electric vehicle, a controlling method for the motor control system and an electric vehicle are provided. The motor control system includes: an IGBT module, connected with a motor of the electric vehicle; a detection module, configured to detect a motor speed; a drive module, configured to drive IGBTs in the IGBT module to turn on or off so as to control the motor to work or stop working; a first control module; a second control module communicated with the first control module; and a channel selection module, configured to select a channel of the second control module when the first control module has a fault. When the second control module is selected, it sends a second control signal to the drive module according to the motor speed at a predetermined time before the first control module has the fault, so as to control the motor to stop working.
US09577566B2 Motor driving circuit
A motor driving circuit is provided, which selects a Hall sensor or a Sensor-less controller to achieve the phase commutation of a magnetic pole of a motor through a hall positive terminal and a hall negative terminal of a hall control device. When the hall positive terminal and the hall negative terminal receive a first hall signal and a second hall signal generated by the Hall sensor, the motor driving circuit selects the Hall sensor and then accordingly drives the motor. When the hall positive terminal and the hall negative terminal are floating, or one of them receives a high-voltage, the motor driving circuit selects the sensor-less controller and then accordingly drives the motor. Accordingly, the motor driving circuit can select different sensing devices to achieve the phase commutation of the magnetic pole of the motor according to the motor characteristics.
US09577564B2 Drive system with energy store and method for operating a drive system
A drive system with energy store and method for operating a drive system, an inverter powering an electric motor, the inverter being supplied from a unipolar DC-link voltage, an energy store being connected in parallel to the inverter, in particular, a film capacitor being connected in parallel to the inverter, the DC-link voltage being generated by a DC/DC converter which is supplied from an AC/DC converter, especially a rectifier, in particular, an electric current being able to be supplied to the DC link by the DC/DC converter.
US09577562B2 Method and apparatus for back electromotive force (EMF) position sensing in a cryocooler or other system having electromagnetic actuators
A method includes driving a component in an electromagnetic actuator back and forth during one or more cycles of the actuator, where the actuator includes a voice coil. The method also includes identifying a back electromotive force (EMF) voltage of the voice coil during at least one of the one or more cycles. The method further includes determining whether a stroke of the component is substantially centered using the back EMF voltage of the voice coil. In addition, the method includes, based on the determination, adjusting one or more drive signals for the voice coil during one or more additional cycles of the actuator. Determining whether the stroke of the component is centered could include determining whether the back EMF voltage of the voice coil is substantially maximized or determining whether times between extremes in the back EMF voltage are substantially equal.
US09577559B2 Apparatus and method for controlling power generation of vehicle
An apparatus for controlling power generation of a vehicle includes an alternator for generating electricity using an engine torque. A controller is configured to calculate a difference between a first duty value and a second duty value and to transmit a control signal based on the difference. The first duty value is an output duty value of the alternator before reaching a predetermined time, and the second duty value is a current output duty value of the alternator. A regulator gradually increases the amount of power generated by the alternator during a delay time based on the control signal received from the controller.
US09577558B2 Power management system having automatic calibration
A power management system having automatic calibration is disclosed. The power management system may have an alternator and an electronic control unit. The electronic control unit may be configured to determine a reference voltage based on at least one measured operating condition of the alternator. The reference voltage may correspond to an overloading threshold of the alternator. The electronic control unit may be further configured to monitor a voltage of the alternator and, when the monitored voltage is less than the reference voltage, perform a corrective action to increase a power output of the alternator.
US09577556B2 System and method for starting a motor
A motor controller coupled to a motor is provided. The motor controller is configured to transmit a first instruction to the motor to perform a first start attempt utilizing at least one parameter in a first set of parameters. The motor controller is additionally configured to receive feedback associated with the first start attempt from the motor, and transmit, in response to the feedback, a second instruction to the motor to perform a second start attempt utilizing at least one parameter in a second set of parameters, wherein the second set of parameters differ from the first set of parameters.
US09577555B2 Methods of estimating a position of a rotor in a motor under transient and systems thereof
At least one example embodiment discloses a method of estimating a position of a rotor in a motor. The method includes obtaining a current regulation quality index based on a current command and a measured current, determining an estimated position of the rotor based on the current regulation quality index and position estimation data and controlling the motor based on the estimated position of the rotor.
US09577553B2 Drive arrangement the motor-operated adjustment of an adjusting element in a motor vehicle
The invention relates to a drive arrangement for the motor-operated adjustment of an adjusting element in a motor vehicle, wherein the drive arrangement comprises two electrical drives having in each case a drive motor and a control device, wherein in the assembled state the drives act in the same manner on the adjusting element and are embodied in an essentially identical manner apart from deviations that are a result of tolerances, wherein the control device influences the two drive motors by a pulse width modulation voltage (“PWM” voltage). It is proposed that the control device influences the two drive motors by PWM voltages having PWM switching frequencies that vary continuously during the adjustment process in such a manner that the PWM switching frequencies that are allocated to the two drive motors are different from each other at least for periods of time.
US09577550B2 Vibration actuator having improved torque
Provided is a vibration actuator including: an electromechanical transduction member that transduces electric power to a mechanical vibration; a transmission member that transmits the vibration from the electromechanical transduction member as a driving force; and an abutting portion that abuts on the transmission member and moves relative to the transmission member in response to the driving force. One of the transmission member and the abutting portion includes pores in its surface contacting the abutting portion or the transmission member at an area occupancy of 2% or higher. In this vibration actuator, the average area of the pores may be 3 μm2 or larger. The other of the transmission member and the abutting portion may include iron in its surface contacting the one.
US09577548B2 Power conversion for distributed DC source array
Embodiments related to the conversion of DC power to AC power are disclosed. For example, one disclosed embodiment provides a power conversion system, comprising a plurality of direct current (DC) power sources, a plurality of power output circuits connected to one another in a parallel arrangement, each power output circuit being connected to a corresponding DC power source to receive power from the corresponding DC power source and to selectively discharge power received from the corresponding DC power source, a power combiner configured to combine power received from the plurality of power output circuits to form a combined power signal, an output stage configured to convert the combined power signal into an AC signal or a DC signal, and a controller in electrical communication with each power outlet circuit and the power combiner to control the output of power by the power converter.
US09577547B2 Power conversion device
A power conversion device converts three-phase AC power into DC power by two-arm PWM modulation control and includes a main circuit that is constituted by a plurality of switching elements that are bridge-connected therein; a voltage-command generation unit that generates a voltage command value for the main circuit; a current detection unit that detects at least one of output currents of the main circuit; a power-factor calculation unit that calculates a power factor on the basis of the output current and the voltage command value; a carrier-signal generation unit that generates a carrier signal of a frequency corresponding to the power factor; and a PWM-signal generation unit 6 that compares the voltage command value and the carrier signal to generate a PWM signal that executes switching control on the switching elements.
US09577534B2 Power converter and air conditioner
Malfunctions of a switching device included in a power factor corrector are reduced when an instantaneous voltage drop or an instantaneous power failure occurs. If the instantaneous voltage drop or the instantaneous power failure occurs in an AC power source while the power factor corrector is performing a power factor correction operation by boosting an input voltage, an instantaneous power failure controller turns off the switching device included in the power factor corrector so that the power factor correction operation stops. When the commercial power source recovers, too, the power factor corrector suspends the power factor correction operation.
US09577533B2 Control circuit for an interleaved switching power supply
In one embodiment, a control circuit configured for an interleaved switching power supply having first and second voltage conversion circuits, can include: a feedback compensation signal generation circuit that generates a feedback compensation signal; a first power switch control circuit that activates a first on signal when a first voltage signal that represents an inductor current of the first voltage conversion circuit is less than the feedback compensation signal, a first power switch of the first voltage conversion circuit being turned on based on the first on signal, and turned off after a predetermined time; and a second power switch control circuit that activates a second on signal after half of a switching period from a rising edge of the first on signal, and a second power switch control signal to turn on a second power switch of the second voltage conversion circuit based on the second on signal.
US09577532B2 Switching regulator circuits and methods
A switching regulator circuit can include multiple switching regulator stages coupled to an output. A first switching regulator stage may be operated at a different frequency than a second switching regulator stage. In some cases, one switching regulator stage is operated at a different duty cycle. The switching regulator circuit may also include multiple switching regulator stages that cancel ripple at an output node.
US09577525B2 Adaptive dead time control
A dead time detector detects when a dead time occurs in a switching regulator comprising a high-side switch and a low-side switch and generates an output signal based on a duration of the dead time. A first circuit generates a first turn-on signal to turn on the high-side switch and a first turn-off signal to turn off the low-side switch based on the output signal in response to a first edge of a pulse width modulated pulse. A second circuit generates a second turn-on signal to turn on the low-side switch and a second turn-off signal to turn off the high-side switch based on the output signal in response to a second edge of the pulse width modulated pulse. A controller generates drive signals to drive the high-side and low-side switches based on the first and second turn-on and turn-off signals.
US09577522B2 Pre-filtering in a power supply control circuit
A hybrid power supply circuit includes a digital circuit, a digital-to-analog converter circuit, and an analog compensator circuit (analog control circuit). According to one configuration, the digital circuit includes a digital pre-filter that substantially matches settings of analog filter circuitry present in the analog compensator circuit. During operation, the digital circuit receives control input indicating how to control a magnitude of an output voltage produced by the power supply circuit. The digital circuit passes the received through the digital pre-filter to produce a (filtered) digital reference voltage. The digital-to-analog converter circuit converts the received digital reference voltage into an analog reference voltage (a filtered rendition of the received control input). The analog compensator circuit receives and uses the digitally pre-filtered analog reference voltage as a basis to control the magnitude of the output voltage produced by the power supply circuit.
US09577521B2 Average current control for a switched power converter
A circuit for controlling a switch in a power converter in which peak current is regulated to achieve a specified average current through a load. Control logic is operable to monitor a voltage across a sensing resistor such that when the voltage across the sensing resistor reaches or exceeds a threshold value, the control logic generates a signal that causes a switch to be turned OFF.
US09577519B2 Enhanced peak current mode DC-DC power converter
Apparatus and methods are provided for feedback circuitry in a power converter, the feedback circuitry including a first resistor coupled to a first node between a high switch and a low switch, a first capacitor in series with the first resistor, the first capacitor coupled to a second node, a first comparator having a positive terminal connected between the first resistor and the first capacitor and a negative terminal connected to a third node, the first comparator configured to compare a voltage at the positive terminal to a voltage at the negative terminal, wherein the feedback circuitry is configured to generate a ramp waveform at the positive terminal of the first comparator, an amplitude of the ramp waveform based on a time constant of the first resistor and the first capacitor.
US09577518B2 Voltage control method and apparatus for achieving and maintaining a targeted voltage on a load
The present invention discloses a voltage control method. First, the load voltage of the load is divided to generate a feedback voltage. Then, an absolute value of a periodic triangular wave signal is retrieved to generate a positive feedback signal, which and the feedback voltage are then combined to produce a sum signal. The sum signal is then compared with a target voltage and when the sum signal is less than the target voltage, a control signal is generated and thus the load voltage is updated and stabilized using an input voltage. In an alternative method, the feedback voltage and the periodic triangular wave signal are combined to generate a sum signal, which is compared with the target voltage. When sum signal is less than the target voltage, a control signal is generated and thus the load voltage is for updated and stabilized using an input voltage.
US09577517B2 Startup clamp circuit for non-complimentary differential pair in DCDC converter system
A DCDC converter includes a transconductance amplifier, a comparator, a current driving component, an output impedance, a switch, a clamp resistor and a p-channel FET. The transconductance amplifier outputs a transconductance current and a switch control signal. The comparator has a two n-channel FET inputs forming a differential pair and outputs a compared signal. The current driving component generates an output current based on the compared signal. The output impedance component generates an output DC voltage based on the output current. The switch is between the two n-channel FETs and can open and close based on the switch control signal. The clamp resistor is arranged in series with the switch. The p-channel FET is in series with the clamp resistor and is controlled by the output DC voltage.
US09577516B1 Apparatus for controlled overshoot in a RF generator
A radio-frequency (RF) generator is provided that produces a controlled overshoot. One embodiment includes a RF power amplifier and a direct-current (DC) power supply that includes a primary DC power supply, an auxiliary DC power supply, a half-bridge circuit, and a control circuit. The half-bridge circuit, in a first switching state, electrically connects, in series, the auxiliary DC power supply with the primary DC power supply and, in a second switching state, electrically disconnects the auxiliary DC power supply from the primary DC power supply. The control circuit places the half-bridge circuit in the first switching state for a first period of time and places the half-bridge circuit in the second switching state for a second period of time to produce a controlled overshoot in the power produced by the RF generator throughout the first period of time.
US09577515B2 Controller for generating jitters in a quasi resonant mode and method for generating jitters in a quasi resonant mode
A controller for generating jitters in a quasi resonant mode includes a feedback pin, a voltage generation unit, a pulse generator, and a comparator. The feedback pin is used for receiving a feedback voltage from a secondary side of a power converter. The voltage generation unit is used for generating a first voltage according to the feedback voltage and a pulse. The pulse generator is used for generating the pulse when a control signal controlling a power switch of a primary side of the power converter is enabled. The comparator is used for controlling enabling and disabling of a switching signal according to the first voltage and a variable reference voltage. The variable reference voltage is monotonously swung within a predetermined range according to a digital signal.
US09577513B2 Method for operating a power factor correction circuit
A method for operating a power factor correction circuit is provided which may include the steps of providing a plurality of N switched-mode converter circuits each comprising an nth inductor, where N is at least 2, starting a switching pulse for the nth switched-mode converter circuit when the following conditions are fulfilled: the nth inductor of the nth switched-mode converter circuit has a predefined magnetization state; and a predefined time period has elapsed since the start of a switching pulse for an mth switched-mode converter circuit, where m=n−1 in case n>1 and m=N in case n=1. The predefined time period is a predefined fraction of the time period from the start of a previous switching pulse for the nth switched-mode converter circuit to a time when the nth inductor of the nth switched-mode converter circuit has the predefined magnetization state.
US09577512B2 Current zero-cross detection device, signal acquisition circuit, and circuit system
Disclosed are a current zero-cross detection device, zero-cross current signal acquisition circuit and totem pole bridgeless circuit system. The current zero-cross detection device includes a current transformer, first sampling switch, second sampling switch, sampling resister, comparator. The current transformer includes a primary winding and a secondary winding; the primary winding is connected to a circuit to be detected; two ends of the secondary winding are connected respectively to drain electrodes of the first and second sampling switches; source electrodes of first and second sampling switches are connected to ground; two ends of the sampling resistor are connected respectively to the drain electrode and source electrode of the second sampling switch; the negative input end of the comparator is connected to the drain electrode of the second sampling switch, its positive input end is connected to a reference voltage; the first and second sampling switches are in ON or OFF state.
US09577511B2 PFC DC/AC/DC power converter with reduced power loss
A second control circuit is configured to switch a pulse signal to a level which turns off a second switching transistor when a coil current that flows through a primary winding reaches a predetermined threshold current. The second control circuit is configured to start a switching operation when a power supply for an electronic device is turned on, to set the threshold current to a first value when an intermediate voltage is higher than a predetermined level, and to set the threshold current to a second value that is lower than the first value when the intermediate voltage is lower than a predetermined level. A first control circuit is configured to start a switching operation upon receiving an instruction from a microcontroller to start operating.
US09577510B2 Inverter device
An inverter device includes an inverter circuit, which has switching elements in a bridge connection, a capacitor, which is connected in parallel to the input side of the inverter circuit, a control device, which controls the inverter circuit, a temperature detector, which detects the temperature of the capacitor, a degree-of-deterioration determiner, which determines the degree of deterioration of the capacitor, and a warm-up controller. When the temperature of the capacitor detected by the temperature detector is lower than a prescribed temperature, the warm-up controller controls the switching elements of the inverter circuit to supply a direct current set based on the degree of deterioration and the temperature of the capacitor to the coil of an electric motor connected to the output side of the inverter circuit.
US09577509B2 Emulated peak current limit scheme for switching regulator
An apparatus comprises a switching circuit, an error amplifier circuit, a current threshold circuit, and an over-current detection circuit. The switching circuit provides a switching duty cycle that includes a charge portion and a discharge portion. The error amplifier circuit generates an error signal representative of a difference between a target voltage value and a voltage at an output of the voltage regulator circuit. The switching circuit adjusts the switching duty cycle to regulate the voltage at the output using the error signal and a reference waveform signal. The current threshold circuit generates an adaptive peak current limit threshold. The over-current detection circuit generates an over-current signal when the reference waveform signal satisfies the adaptive peak current limit threshold during the charging portion of the switching cycle. The switching circuit interrupts one or more switching cycles when the reference waveform signal satisfies the adaptive peak current limit threshold.
US09577504B2 Cryogen supply and return device for use with cryogen rotating electric machine and superconducting rotating electric machine with cryogen supply and return device
Provided is a cryogen supply and return apparatus and a superconducting rotating electric machine, comprising stationary and rotatable members arranged out of contact with each other, preventing an increase of maintenance cost or a temperature increase of the cryogen which would be caused by contacts of the members. A cylinder 20 has on its outer peripheral surface ring-like recesses or grooves regularly or irregularly spaced in the longitudinal direction or spiral recesses or grooves continuously or discontinuously extending in the peripheral direction, to resist helium gas flowing through a cylindrical space between the cylinder 20 and the inner tube 14b of the second double tube member and, as a result, to control a leakage of the helium gas from the cylindrical space.
US09577502B2 Transverse flux permanent magnet rotatory device
A transverse flux motor (10) includes a housing (20), a stator (50), and a rotor (30) external to the stator (50) and installed onto the housing. The stator (50) includes a stator sub-assembly including at least one pair of stator core elements (52), each having multiple stator pole teeth (56) circumferentially offset from pole teeth of the other stator core element in the pair. The rotor (30) includes a rotor body (32) made of a single piece part or multiple rotor body laminas (36). The rotor body (32) includes multiple magnetic flux retention features (40) for positioning first magnets (34). Two adjacent magnetic flux retention features (48) define a second magnet retention feature (47) for positioning a second magnet (45) that form a substantially U-shape together with two neighboring first magnets with the same magnetic poles facing each other.
US09577500B2 Rotary continuous permanent magnet motor
A rotary magnetic motor having a rotor configured to magnetically interact with a stator to obtain rotation of the rotor about its axis. The stator has a magnetic structure of a generally involute shape around the axis of rotation. The stator magnetic structure has a plurality of permanent magnets defining a first magnetic face of a first polarity. The rotor has a magnetic structure of a generally circular shape around the axis and inside the stator magnetic structure. The rotor has a plurality of permanent magnets defining a second magnetic face of a second polarity. The magnetic attraction and repulsing of the aligned magnetic faces with a progressively narrowing radial gap, resulting from the involute shape, rotate the rotor inside the stator. A magnetic pulse mechanism discharges a magnetic pulse of the first polarity to provide an additional pull to continue the rotation of the rotor through its full cycle.
US09577493B2 Motor and electronics cooling system for a high power cordless nailer
A battery powered tool includes a housing containing a motor assembly. A fan positioned in the housing is rotated by the motor assembly. The fan has a circular ring/body and further has multiple fan blades directly connected to the circular ring body. The circular ring/body defines a concave shaped surface having the fan blades directly connected to the concave shaped surface. A housing cover includes: first and second extending walls; a slot created between the first and second extending walls; and multiple air intake vents all positioned in a lower housing zone separated from an upper housing zone by the slot. An electronics module is positioned in the housing proximate to the housing cover lower housing zone such that air entering the intake vents passes only through the lower housing zone and past the electronics module to cool the electronics module before entering the fan.
US09577491B2 Starter motor including a removable solenoid tower
An electric machine includes a housing having an outer surface and an inner surface defining an interior zone. A solenoid mounting section is provided on the housing. The solenoid mounting section includes a shift lever opening that extends from the outer surface through the inner surface. A solenoid tower is mounted to the housing. The solenoid tower extends from a first end detachably coupled to the solenoid mounting section to a second end configured to receive a solenoid. The first end includes an opening that registers with the shift lever opening. At least one of the solenoid mounting section and the solenoid tower includes a seal.
US09577489B2 Motor with sealed controller housing
An electric motor is provided. The motor is mountable to a machine. The motor includes a rotor rotatable about an axis, a stator, a housing, and a fastener. The housing includes a first endshield and a controller can, with the stator being positioned axially between the endshield and the can. The fastener extends through and interconnects the first endshield, the stator, and the can. The fastener projects axially beyond at least one of the first endshield and the can for connection to the machine.
US09577485B2 Armature winding of rotating electrical machine
According to one embodiment, there is provided a 3-phase 2-pole 2-layer armature winding, housed in 72 slots provided in a laminated iron core, a winding of each phase including six parallel circuits separated into two phase belts. Upper coil pieces of first and fourth parallel circuits are placed at 3rd, 4th, 7th, and 12th positions, and lower coil pieces of the first and fourth parallel circuits are placed at 1st, 6th, 9th, and 10th positions, upper and lower coil pieces of second and fifth parallel circuits are placed at 2nd, 5th, 8th, and 11th positions, and upper coil pieces of third and six parallel circuits are placed at 1st, 6th, 9th, and 10th positions, and lower coil pieces of the third and six parallel circuits are placed at 3rd, 4th, 7th, and 12th positions, from the center of a pole.
US09577484B2 Variable magnetomotive force rotary electric machine and control device for variable magnetomotive force rotary electric machine
A rotary electric machine includes a stator and a rotor. The rotor has at least one permanent magnet arranged in a d-axis magnetic path. The rotor includes a magnetic gap part located between the permanent magnet arranged in the d-axis magnetic path of one pole and an adjacent magnet with a different polarity, such that a d-axis magnetic flux forms a d-axis bypass passing through an area other than the permanent magnet. The d-axis bypass provides a magnetic resistance in a d-axis direction that is set below a magnetic resistance in a q-axis direction that is orthogonal to the d-axis resistance.
US09577474B2 Demodulator for wireless power transmitter
A demodulator is mounted on a wireless power transmitter that conforms to the Qi standard, and demodulates an amplitude modulated signal superimposed on a coil current ICOIL that flows through a primary coil of a transmission antenna, or otherwise on a coil voltage across both ends of the primary coil. Multiple demodulating units are each configured to have respectively different configurations, to operate in parallel, to extract a demodulated component from the coil current ICOIL or otherwise from the coil voltage, and to generate baseband signals as demodulated signals. A signal processing unit employs a baseband signal that is correctly received, from among the multiple baseband signals generated by the multiple demodulating units, based on an error detection result obtained using a checksum.
US09577470B2 Electrical and/or electronic supply circuit and method for providing a supply voltage
An electrical and/or electronic supply circuit, which serves to provide a first or a second, essentially constant value of a supply voltage, which supply voltage serves to operate an operating electronics. The supply circuit serves to output the first value of the supply voltage when the supply voltage is derived from a first voltage source, and the supply circuit serves to output the second value of the supply voltage when the supply voltage is derived from a second voltage source.
US09577466B2 Wireless charging system and method for controlling the same
A wireless charging system for a vehicle may include: a power transmitter having a plurality of transmitting coils; and a controller configured to measure a current and a voltage of each of the plurality of transmitting coils and to apply charging power only to a subset of the plurality of transmitting coils based on a magnitude of the measured current and voltage of each of the plurality of transmitting coils.
US09577460B2 Wireless charging device and control method thereof
There are provided a wireless charging device and a control method thereof, the wireless charging device including: a receiving module receiving power from the outside in a magnetic induction scheme or a magnetic resonance scheme to thereby charge a battery; and an input signal determining unit receiving an input signal from the outside and determining characteristics of the input signal, wherein the receiving module includes a reception controlling unit controlling the receiving module to be operated in the magnetic induction scheme or the magnetic resonance scheme according to the characteristics of the input signal received from the input signal determining unit.
US09577456B2 Battery device, control method, and electric vehicle
This technology relates to a battery device, a control method, and an electric vehicle capable of providing a highly secure anti-theft function. A battery outputs DC power through a power line, a reader/writer communicates by outputting a high-frequency signal through the power line to read authentication information of an electronic device when the electronic device is connected to the battery through the power line, a microcomputer stores the read authentication information and controls the battery when first connection to the electronic device is performed, and performs an authentication process of the electronic device based on the read authentication information and the authentication information stored in the first connection and controls the battery according to a result of the authentication process of the electronic device when second or subsequent connection to the electronic device is performed. This technology may be applied to the battery device mounted on a power-assisted bicycle, for example.
US09577450B2 Charger for hand-held power tool, power tool system and method of charging a power tool battery
A charger for a hand-held power tool includes a power source interface, a charger base and a charging cradle rotatably supported on the charger base. The rotatable charging cradle includes at least two charging output terminals electrically connected to the power source interface. A power tool system includes the charger and the hand-held power tool. A method of charging the power tool system includes contacting charging input terminals of the power tool with the charging output terminals, rotating the charging cradle and the power tool relative to the charging base and supplying charging current to at least one battery cell while the charging cradle and the power tool are allowed to freely swing relative to the charging base.
US09577448B2 Integration of wireless charging unit in a wireless device
Described herein are techniques related to one or more systems, apparatuses, methods, etc. for implementing a wireless charging and a wireless connectivity in a device.
US09577440B2 Inductive power source and charging system
A portable inductive power source, power device, or unit, for use in powering or charging electrical, electronic, battery-operated, mobile, and other devices is disclosed herein. In accordance with an embodiment the system comprises a pad or similar base unit that contains a primary, which creates an alternating magnetic field by means of applying an alternating current to a winding, coil, or any type of current carrying wire. A receiver comprises a means for receiving the energy from the alternating magnetic field from the pad and transferring it to a mobile or other device. In some embodiments the receiver can also comprise electronic components or logic to set the voltage and current to the appropriate levels required by the mobile device, or to communicate information or data to and from the pad. Embodiments may also incorporate efficiency measures that improve the efficiency of power transfer between the charger and receiver.
US09577439B2 Power relaying apparatus, power transmission system and method for manufacturing power relaying apparatus
Disclosed herein is a power relaying apparatus provided between: a power supplying apparatus including a power supplying resonance device and a power supplying power supply section for supplying an AC current to the power supplying resonance device; and a power receiving apparatus having a power receiving resonance device for receiving a power from the power supplying apparatus by adoption of a resonance method, the power relaying apparatus including a power relaying resonance device resonating between the power supplying resonance device and the power receiving resonance device, wherein the power relaying resonance device is fixed at a predetermined position by making use of an insulation member.
US09577438B2 Wireless power system
The present disclosure relates wireless power transfer. In some embodiments, DC power is received through one or more inductors and switched to provide alternating current through a TX coil with a pair of power FETs coupled between opposite sides of the TX coil and ground such that current flows through one of the pair of FETs at a time. In some embodiments, the pair of FETs can be driven in adaptive resonant mode to operate at a resonance. In some embodiments, the pair of FETs are driven at a particular frequency.
US09577433B2 Energy supply network for an aircraft or spacecraft, method for supplying electrical loads with energy, and aircraft or spacecraft
An energy supply network for an aircraft or spacecraft, comprising at least one energy generating device for generating electrical energy, comprising at least two energy control devices, at least one of which is coupled directly to at least one of the energy generating devices and which are adapted each to provide a controlled supply voltage so as to supply electrical loads located in the aircraft with energy, and comprising a high-voltage direct current transmission device, which couples the at least two energy control devices to one another by means of high-voltage direct current transmission. Further, a method for supplying energy, and an aircraft or spacecraft.
US09577425B1 Systems and methods for controlling power switching converters for photovoltaic panels
A photovoltaic (PV) system has a plurality of PV panels that convert solar energy into electrical energy. Each PV panel is coupled to a respective switching power converter. A parameter (e.g., voltage or current) of a combined current signal from each of the switching power converters is sensed, and a controller controls the duty cycle of each switching power converter in order to maximize the sensed parameter. In this regard, the controller adjusts the duty cycles of the power switching converters in groups while the duty cycles of other power switching converters are held constant in order to set the duty cycles for maximum power transfer, thereby accounting for variations in the power output by each PV panel.
US09577422B1 Ground wire fault circuit interrupter
A grounding wire fault circuit interrupter for an electrical machine includes a chassis ground wire, a sensor, and a logic circuit. The chassis ground wire is configured to be electronically connected to a structure of the electrical machine such that the structure of the electrical machine is further electrically connected to one or more power lines that provide electrical power to the electrical machine. The sensor is electronically connected to the chassis ground wire. The logic circuit is electronically connected to the sensor. The sensor is configured to detect current leaks within the electrical machine by sensing electrical power on the chassis ground wire, and the logic circuit is configured to interrupt the flow of electrical power to the electrical machine when the sensor detects a current leak.
US09577421B2 System and method for isolating ground faults in a wind turbine
The present subject matter is directed to a system and method for operating a wind turbine connected to a power grid. The method includes receiving, via a controller, one or more current feedback signals from one or more electric current sensors of the wind turbine. Another step includes determining, via the controller, if a ground fault is occurring in the wind turbine based on the current feedback signals. In response to detecting a ground fault, the method includes tripping one or more electrical components of the wind turbine and electrically de-coupling the wind turbine from the power grid.
US09577415B1 Communications interface system for landscape control systems
A communications interface system includes a housing and one or more removable components. The removable components can include one or more removable communications module configured to facilitate communication between the interface system and one or more other communications or control systems. A facepack can be removably coupled with the housing. The facepack can include one or more displays and/or user input structures.
US09577412B2 Switchgear housing including a floating exhaust flap assembly
A switchgear housing assembly includes a first switchgear housing including a cable compartment portion and a circuit breaker portion, a busbar portion, and a second switchgear housing a cable compartment section, a busbar section, and a circuit breaker section. An exhaust duct is arranged between the first and second switchgear housings. The exhaust duct is selectively fluidically exposed to at least one of the cable compartment portion, cable compartment section, the circuit breaker portion, and the circuit breaker section. A floating flap assembly is operatively associated with at least one of the first and second switchgear housings. The floating flap assembly includes a floating flap member. The floating flap member is selectively slideable between a closed position and an open position in response to a pressure rise in one of the cable compartment portion, cable compartment section, circuit breaker portion, and circuit breaker section.
US09577410B2 Optical functional integrated unit and method for manufacturing thereof
It is provided that an optical functional integrated unit and a method for manufacturing thereof in which a positive optical device and a passive optical device including a silicon waveguide can be readily integrated. An optical functional integrated unit includes a semiconductor optical amplifier, a photonics device, a mounting board, pedestals and. The pedestals and are provided on the mounting board. The semiconductor optical amplifier is mounted on the pedestal and outputs a light from an active layer. The photonics device is mounted on the pedestal. The photonics device includes silicon waveguide to which the light output from the semiconductor optical amplifier is guided.
US09577398B2 Assisting tool for connector
The assisting tool for a connector includes a mounting member able to be mounted in a first housing having a first connector able to mate with a second connector in a second housing, and an operating member able to rotate with respect to the mounting member. Here, the operating member has a lever portion, the operating member is mounted in the first housing, and the lever portion contacts the second housing and applies pressure to the second housing in the direction releasing the mated first connector and second connector when the operating member is rotated while the first connector is mated with the second connector.
US09577397B2 Method of manufacturing a shell assembly for an electrical connector
Methods are provided for manufacturing a shell assembly for an electrical connector. First and second shells of a shell assembly may be formed from metal sheets via a stamping process. The stamping process may produce a number of first shells attached to a section of metal sheet remaining after the stamping process—a guide rail—with the front end opening of the first shell being oriented at 90 degrees relative to the guide rail. A second shell may be formed and severed from a metal sheet as a result of the stamping process. One end of the first shells may be exposed after the stamping process such that the second shells may be assembled over the exposed end of the first shells to form a shell assembly. Additional operations can be performed on the shell assembly.
US09577393B2 Connector for wearable device
An electrical connector comprises an insulative housing, a positioning member and a plurality of first terminals. The insulative housing has a tongue. The positioning member is embedded in the tongue and has a main body. The plurality of first terminals are held by the main body of the positioning member and embedded in the insulative housing. The tongue exposes a flat plate-like contact portion of each first terminal.
US09577392B2 USB type-C connector module
A USB Type-C connector module includes a circuit board, a configuration-channel (CC) chip and a plurality of conductive terminals electrically connected with the circuit board. One end of the circuit board has a tongue, which a plurality of golden-fingers are arranged at two sides thereon. A USB Type-C connector is constituted by the tongue and the golden-fingers. CC golden-fingers of the USB Type-C connector are electrically connected to the CC chip for accepting a CC operation. Power golden-fingers of the USB Type-C connector are electrically connected to a power control chip of an external mainboard through the plurality of conductive terminals for receiving power. Data golden-fingers of the USB Type-C connector are electrically connected to a PCH of the external mainboard for transmitting data.
US09577391B2 Coaxial cable continuity device
A jumper sleeve configured to be installed on an outer side of a male F-connector to facilitate easy connection of and maintain ground continuity across the male F-connector and a female F-connector. In one embodiment, a conductive element is installed on an inner surface of the jumper sleeve and conductively engages an outer surface of the male F-connector to maintain ground continuity across the male and female F-connectors.
US09577389B2 Systems and methods for modular shock proof electrical outlets
Systems and methods for providing electrical power from an electrical outlet. In some embodiments, an electrical outlet for providing high voltage power to a device includes power input terminals for connection to a high voltage power source, and at least one power output socket configured to receive a plug configured to receive high voltage power. The outlet may also include a shock-proof circuit connected to the at least one power output socket, a communication circuit configured, and a processor coupled to the communication circuit and the shock-proof circuit, the processor and the shock-proof circuit collectively configured to determine when to provide high voltage power to the at least one power output socket based on a sensed condition, and the processor and the communication circuit collectively configured to communicate information relating to an operation aspect of the electrical outlet with a remote computing device.
US09577385B1 Electrical connector for connecting a cable
An electrical connector used for mating a mating connector includes an insulating body having multiple terminal slots in communication with an insertion space, multiple terminals, an insulating block. Each terminal slot has at least one side wall from which a depressed portion is depressed, the depressed portion is laterally in communication with the terminal slot. Each terminal has a connection portion connected to a contact portion and a soldering portion, a stopping portion protrudes from the connection portion and is located at the depressed portion. The insulating block is insert molded at a back end of the insulating body. A protruding portion protrudes from a front end of the insulating block and enters the depressed portion. The stopping portion is stopped in front of the protruding portion.
US09577383B2 Telecommunications device
The present disclosure relates to a telecommunications jack including a housing having a port for receiving a plug. The jack also includes a plurality of contact springs adapted to make electrical contact with the plug when the plug is inserted into the port of the housing, and a plurality of wire termination contacts for terminating wires to the jack. The jack further includes a circuit board that electrically connects the contact springs to the wire termination contacts. The circuit board includes a multi-zone crosstalk compensation arrangement for reducing crosstalk at the jack.
US09577381B2 Electrical connector
An electrical connector includes an insulation body and a contact. The insulation body includes a first side and a second side positioned opposite to the first side. The contact is received in the insulation body and includes a first elastic gripping portion adjacent to the first side of the insulation body and a second elastic gripping portion adjacent to the second side of the insulation body.
US09577375B2 Connector alignment assembly
A connector alignment assembly comprises a support member having a surface from which an array of male connector pins extend outwardly, each male connector pin having a base region proximate the surface of the support member and a tip region proximate the end of each male connector pin. Guide posts extend from the surface in the direction of the array of male connector pins and compression mechanisms, one associated with each of the guide posts. The compression mechanisms are adapted to transition from the uncompressed position to a compressed position. An alignment plate has guide holes which engage with the guide posts to position the alignment plate in a spaced relationship from the surface of the support member. The alignment plate has an array of male connector pin holes which engage with the array of male connector pins.
US09577374B1 Textile connector for an electronic textile having a snap fastener with contacts
A textile connector for an electronic textile includes a snap fastener having first and second snap segments configured to be snap fastened together such that the electronic textile is mechanically secured therebetween. A first contact is held by the snap fastener. The first contact is configured to be electrically connected to a first conductor of the electronic textile to define a first signal line. A second contact is held by the snap fastener. The second contact is configured to be electrically connected to a second conductor of the electronic textile to define a second signal line. The first and second signal lines transmit different data signals from the electronic textile to an electronic component mounted to the electronic textile.
US09577370B2 High-speed connector with electrical ground bridge
A high-speed electrical connector includes an insulating case, several signal terminals, several grounding terminals, an electrical bridge, and several resilient conductive buffers mounted in the insulating case. Each of the signal and grounding terminals has a fixing segment and a swing segment swingable with respect to the fixing segment. The electrical bridge corresponds to two of the grounding terminals. The conductive buffers are disposed on the electrical bridge and are respectively arranged in the swing paths of the swing segments. Each conductive buffer is configured to transform from an initial state to a deformation state by pressing. Each swing segment can swing to press the corresponding conductive buffer, causing the corresponding conductive buffer to be in the deformation state, thereby establishing an electrical connection path between the electrical bridge and the corresponding grounding terminals. In one example, the buffer can be formed of elastomer mixed with conductive particles.
US09577365B1 Holding frame for holding plug connector modules
Disclosed is a holding frame for holding plug connector modules, in particular for installation in plug connector casings and/or for screwing onto wall surfaces. In order to allow improved handling and more reliable populating and assembly of the holding frame having frame halves. The holding frame has an elastic fixing element adapted to releaseably fix the frame halves in a plug-in state and a holding state. At least a restoring force of the elastic fixing element must be overcome in order to release the fixing and/or to switch between the plug-in state and the holding state.
US09577362B1 Electrical connector assembly
An electrical connector assembly that includes a first connector component that has a housing supporting at least one first exposed contact at an interface surface thereof and has a body portion for terminating a first cable. A second connector component is adapted to slidably receive the first component such that the components are mated and unmated in the same direction. The second component includes a housing supporting at least one second exposed contact at an interface surface thereof and has a body portion for terminating a second cable. When the first component is received in the second component, the components are mated such that the first exposed contact engages the second exposed contact, thereby forming a first electrical connection therebetween and a longitudinal axis of the first cable is spaced from and substantially parallel to a longitudinal axis of the second cable.
US09577359B2 Printed circuit board centering beam
A card edge connector including electrical contacts; and a housing having the electrical contacts connected thereto. The housing comprises a card edge receiving slot, and a beam extending at least partially across a width of the card edge receiving slot. An open space is provided between the beam and a bottom of the card edge receiving slot.
US09577353B2 Mains power wire connection assembly and connection method
A mains power wire connection assembly (100) using a button to push a first wire and a second wire to move toward the direction of clamping slots, and the inner walls of the clamping slots puncture the first wire and second wires and clamp the same. The button and the insulation body are locked and fixed with respect to each other.
US09577352B2 Electrical connectors and related methods
Electrical connectors including a cable clamp (e.g., having a first clamp portion, a second clamp portion, and a hinge coupled to the first and second clamp portions such that the first and second clamp portions are movable relative to each other between an open position and a closed position in which the first and second clamp portions define a cable passageway), and a piercing conductor configured to place a fixture wire into electrical communication with an electrical cable disposed within the cable passageway. In at least some of these electrical connectors, a longitudinal axis of the cable passageway is substantially aligned with a longitudinal axis of the cable clamp when the first and second clamp portions are in the closed position. In at least some of these electrical connectors, at least one of the clamp portions comprises a flexible sidewall that at least partially defines the cable passageway.
US09577351B2 Spring loaded insulation piercing electrical connector
An electrical connector includes first and second pads. The first pad includes first and second grooves and the second pad includes third fourth grooves. A first insulation displacing contact extends from the first groove to the second groove. A second insulation displacing contact extends from the third groove to the fourth groove. The first and second pads are connected by a mechanical fastener. When the first and second pads are connected the first groove aligns with the third groove and the second groove aligns with the fourth groove.
US09577347B2 Antenna structure of a circular-polarized antenna for a vehicle
A turnstile antenna has two dipoles which have a galvanic contact at the crossing point. The dipoles are arranged in a geometrically asymmetrical manner with respect to the crossing point. The turnstile antenna can be arranged either in a free space or over a metal plate.
US09577346B2 Vertical multiple-input multiple-output wireless antennas
High gain, multi-pattern multiple-input multiple-output (MIMO) antenna systems are disclosed. These systems provide for multiple-polarization and omnidirectional coverage using multiple radios, which may be tuned to the same frequency. The MIMO antenna systems may include multiple high-gain beams arranged (or capable of being arranged) to provide for omnidirectional coverage. These systems provide for increased data throughput and reduced interference without sacrificing the benefits related to size and manageability of an associated access point.
US09577339B2 Antenna device and electronic device
According to one embodiment, an antenna device includes a first antenna, a second antenna, a third antenna, a capacitor element, a high-frequency cable, and a base member. The first antenna includes a folded-type monopole element. The second antenna includes a monopole element. The third antenna includes a passive element. The capacitor element is between a feeding point and a stub in a backward-path portion of the first antenna. The high-frequency cable is connected to the feeding point. The base member is formed of a dielectric material and has first, second, and third surfaces located to extend in different directions. The first, second, and third antenna are located at the first, second, and third surfaces.
US09577335B2 Antenna
An antenna includes antenna coil having a magnetic-material core and a coil conductor. The antenna coil is arranged toward a side of a planar conductor, such as a circuit board. Of the coil conductor, a first conductor part close to a first main face of the magnetic-material core and a second conductor part close to a second main face of the magnetic-material core are provided such that the first conductor part is not over the second conductor part in view from a line in a direction normal to the first main face or the second main face of the magnetic-material core. In addition, a coil axis of the coil conductor is orthogonal to the side of the planar conductor.
US09577329B2 Ultra-broadband antenna with capacitively coupled ground leg
An antenna including a ground plane, a broadband radiating element mounted on the ground plane and including a feed point, the feed point having a first impedance, a feed for feeding the broadband radiating element at the feed point, the feed having a second impedance and a ground leg extending between the broadband radiating element and the ground plane for impedance matching the first impedance to the second impedance, the ground leg being capacitively coupled to the broadband radiating element.
US09577328B2 Beam forming system having linear samplers
A frequency conversion circuit having a plurality of N signal channels, each being fed an input signal and a train of pluses having a period T and a duty cycle T/N. Each channel includes: a sampler coupled the input signal and being responsive to sampling signals; and a controllable time delay for producing the train of sampling signals in response to the train of pulses, the time delay imparting a time delay to the pulses in accordance with a time delay command signal fed to the time delay. Each one of the sampling signals is produced by the time delay in each one of the channels with the period T and the duty cycle T/N with the sampling signals in one of the trains of the sampling signals being delayed with respect to the sampling signals in another one of the trains the sampling signals a time T/N.
US09577326B2 Device for decoupling antennas mounted on an aircraft
A high-impedance passive device to radio-electrically decouple two antennas operating at least partially within a common frequency band and arranged on a surface of the carrier structure. A substrate of the device has a flexible dielectric material layer having a predetermined thickness with patches of conductive material arranged on its surface and a layer to attach the device onto the surface of the carrier structure. The patches having predetermined shape and arrangement. The body of the substrate separates the dielectric layer from the surface of the carrier structure. The substrate thickness is determined based on the size, number, and arrangement of the patches, and further it is based on the aerodynamic constraints imposed on the device. The device having an impedance to cause the desired decoupling in the common frequency band.
US09577323B2 Radome—reflector assembly mechanism
In one embodiment, a radome-reflector assembly for, e.g., a microwave antenna, has (i) two semi-circular rims that receive the peripheries of the radome and the reflector and (ii) fixed and adjustable clamps that secure the ends of the rims together. The rims are designed with slanted inner surfaces that engage the periphery of the reflector, such that, when the adjustable clamp is tightened circumferentially, the periphery of the reflector is forced laterally to abut other rim structure to form a metal-to-metal RF seal between the reflector and the rims. Certain assemblies with low profiles and low circumferential forces can be assembled without special tooling using plastic clamps and still achieve good RF seals.
US09577320B2 Antenna assembly and wireless communication device employing same
An antenna assembly includes an elastic piece, a connecting portion, a first radiating portion, and a second radiating. The connecting portion is coupled to the base board and includes a feeding point and a ground point. The first radiating portion is electrically connected to the feeding point and the elastic piece. The second radiating portion is electrically connected to the ground point and spaced from the first radiating portion. The first radiating portion, the elastic piece, and the second radiating portion are configured to operate at a first frequency band; the first radiating portion and the elastic piece generate a frequency-doubled effect to operate at a second frequency band. A wireless communication device employing the antenna assembly is also provided.
US09577319B2 Housing and electronic device using same
A housing includes a conductive metal base, a number of metal patterns, and a number of insulating fillers. The metal patterns are formed on the base and spaced from each other. Each of the plurality of insulating filler is situated between two adjacent metal patterns of the plurality of metal patterns.
US09577313B2 Pedestal for tracking antenna
There is provided a three-axes pedestal for stabilizing the pointing of a mobile tracking antenna. The pedestal comprises a base support with an azimuth axis support having a centerline defining a first axis or azimuth axis, and a first frame being rotatably mounted on the azimuth axis support to rotate about the first axis, where the first frame may hold at least part of a first horizontal linear bearing assembly. The pedestal further comprises a second frame with a lower frame part, which may be slidably interconnected to the first frame via the first horizontal linear bearing assembly. The first linear bearing assembly may include dampers or suspension members for dampening linear slide movement of the second frame along the first linear bearing assembly and thereby for dampening the relative movement of the second frame to the first frame. The pedestal also comprises a third frame interconnected to an upper part of the second frame, where the third frame holds a cross-elevation axis support with a centerline defining a second axis or cross-elevation axis. Furthermore, the pedestal comprises a fourth frame being rotatably mounted on the cross-elevation axis support of the third frame to rotate about the second axis, where the fourth frame holds an elevation axis support with a centerline defining a third axis or elevation axis. The pedestal also comprises a fifth frame supporting the tracking antenna, which fifth frame is rotatably mounted on the elevation axis support of the fourth frame to rotate about the third axis. The upper part of the second frame may hold a second linear bearing assembly, with the third frame being interconnected to the second frame via the second linear bearing assembly, and with the second linear bearing assembly providing a direction of linear slide movement and an axis of rotation for the third frame, thereby providing an axis of rotation for the second axis in a plane perpendicular to the direction of linear slide movement provided by the second linear bearing assembly.
US09577309B2 High-frequency wave transmitting device including a connecting portion for connecting a waveguide to an antenna
To reduce electromagnetic wave transmission loss, a connecting portion is provided on the end portion of a waveguide. A connecting portion has a first half and a second half, each made of a dielectric material. An antenna formed on a printed circuit board is interposed between the first half and the second half. The connecting portion has conductive portions and. The conductive portions have a shape corresponding to the cross-section of the conductive portion of the waveguide in cross-section orthogonal to the direction in which the circuit board extends, and surround the first half and the second half.
US09577307B2 Guided-wave transmission device and methods for use therewith
Aspects of the subject disclosure may include, for example, a transmission device that includes a transmitter that generates a first electromagnetic wave to convey data, the first electromagnetic wave having at least one carrier frequency and corresponding wavelength. A coupler couples the first electromagnetic wave to a transmission medium having at least one inner portion surrounded by a dielectric material, the dielectric material having an outer surface and a corresponding circumference, wherein the coupling of the first electromagnetic wave to the transmission medium forms a second electromagnetic wave that is guided to propagate along the outer surface of the dielectric material via at least one guided-wave mode that can include an asymmetric mode, wherein the at least one carrier frequency is within a microwave or millimeter-wave frequency band and wherein the at least one corresponding wavelength is less than the circumference of the transmission medium. Other embodiments are disclosed.
US09577306B2 Guided-wave transmission device and methods for use therewith
Aspects of the subject disclosure may include, for example, a transmission device that includes a transmitter that generates a first electromagnetic wave to convey data, the first electromagnetic wave having at least one carrier frequency and corresponding wavelength. A coupler couples the first electromagnetic wave to a transmission medium having at least one inner portion surrounded by a dielectric material, the dielectric material having an outer surface and a corresponding circumference, wherein the coupling of the first electromagnetic wave to the transmission medium forms a second electromagnetic wave that is guided to propagate along the outer surface of the dielectric material via at least one guided-wave mode that can include an asymmetric mode, wherein the at least one carrier frequency is within a microwave or millimeter-wave frequency band and wherein the at least one corresponding wavelength is less than the circumference of the transmission medium. Other embodiments are disclosed.