Document Document Title
US09756574B2 System and method for improving uplink control channels for weak communication links
A method in a network node (115A-C, 120, 130) comprises providing (704) to a user equipment (UE) (110A-C) a dedicated physical control channel (DPCCH), the DPCCH having an associated first fractional dedicated physical channel (F-DPCH) for conveying transmit power control (TPC) commands to the UE for power controlling the DPCCH, the first F-DPCH having a first allocated slot format; providing (708) to the UE a dedicated physical control channel2 (DPCCH2) (502), the DPCCH2 comprising an uplink control channel power controlled by the network node for communicating TPC commands to the network node, the DPCCH2 having an associated second F-DPCH for conveying transmit power control commands to the UE for power controlling the DPCCH2, the second F-DPCH having a second allocated slot format different from the first allocated slot format; and communicating (712) to the UE an uplink TPC command on the second F-DPCH having the second allocated slot format.
US09756568B2 Enhance AT command for backoff timer control
AT commands are used for controlling Mobile Termination (MT) functions and GSM/UMTS network services from a Terminal Equipment (TE) through Terminal Adaptor (TA). 3GPP introduces multiple backoff timers and barring to solve network congestion problem. However, a TE does not know the timer value and the barring status. In accordance with one novel aspect, a new AT command interface that can respond timer value and barring status to the TE is proposed. It reduces wasteful retries and saves power consumption of the TE. Through the new AT command interface, the TE can query backoff timer status. Via unsolicited result code (URC), the MT can detect backoff timer status change and report updated backoff timer status to the TE.
US09756567B2 Telecommunications apparatus and methods for communicating with a first and a second type of devices
A wireless telecommunications system including at least one base station, a first terminal device and a second terminal device, wherein the first terminal device is a terminal device of a first type and the second terminal device is a terminal device of a second type, the second type being different from the first type, and wherein the at least one base station is configured to communicate data which is specific to the first terminal device in a synchronous manner and to communicate data which is specific to the second terminal device in a non-synchronous manner.
US09756564B2 Systems, methods, and devices for enhanced power saving for mobile terminated communication
A user equipment (UE) is configured to send a request to use an enhanced power saving mode (ePSM) to a mobility management entity (MME) of a mobile communications network. The UE is configured to receive configuration parameters from the MME including a time length for an idle mode and a time length for a power saving mode. The UE is configured to cycle between the idle mode and the power saving mode based on the power saving mode parameters, wherein the UE is available to receive transmissions during the idle mode and unavailable to receive transmissions during the power saving mode.
US09756563B2 Dynamic bandwidth switching for reducing power consumption in wireless communication devices
Systems, methods, apparatuses, and computer-program products for performing dynamic bandwidth switching between control signals and data signals of differing bandwidths are disclosed. Frame formats are disclosed in which control signals are transmitted at different bandwidths than data signals. Receiver architectures for receiving the signaling formats are disclosed. A receiver can receive a relatively narrowband control signal while consuming a relatively low power and then dynamically adjust characteristics of various components to receive a data signal at a higher bandwidth while consuming a relatively higher power.
US09756555B2 User apparatus, base station, discovery resource selection method, and control signal transmission method
A user apparatus configured to perform transmission of a discovery signal by radio, including: means that determines a resource group pattern to be used by the user apparatus based on information transmitted from a base station, and determines a resource group including one discovery resource or a plurality of discovery resources that can be used for transmitting the discovery signal from among one resource group or a plurality of resource groups included in the resource group pattern; and means that selects a discovery resource to be used for transmitting the discovery signal from among the determined resource group.
US09756554B2 Active scanning method in wireless LAN system
Disclosed is an active scanning method in a wireless LAN system. The active scanning method comprises: a step of transmitting a probe request frame via a predetermined channel; and a step of receiving, from an access point, a probe response frame corresponding to the probe request frame via a predetermined channel. The probe response frame includes main channel information on the access point. Thus, the access point can be quickly scanned.
US09756553B2 System and method for assisted network acquisition and search updates
A method and system provide assisted acquisition of a wireless link between user equipment and a femtocell unit. After an initial calibration of timing and/or frequency information, the user equipment enters into a low-power state. The femtocell unit monitors for system updates using a network listen module that sniffs the air interface of one or more neighboring cells. Upon a trigger event, the femtocell unit provides aiding information, for example, timing and/or frequency information corresponding to a change in timing and/or frequency of the air interface, over a second radio, e.g., a wireless personal area network interface. Thus, the user equipment may remain in the low-power state and receive updates with respect to the wireless wide area network interface. Subsequently, upon wake-up, the user equipment may utilize the aiding information, for example, to recalibrate its timing and/or frequency. Thus, acquisition of the wireless link with the femtocell unit may be expedited.
US09756543B2 Application-based radio-access technology switching
A method for application-based radio access technology (RAT) switching is provided. The method can include engaging in data communication for the application over a connection to a first RAT and measuring a connection quality metric of the connection to the first RAT. The method can further include determining a threshold connection quality metric for an application. The threshold connection quality metric can be defined for the application and can be different from a second threshold connection quality metric defined for a second application. The method can also include comparing the measured connection quality metric to the threshold connection quality metric. The method can additionally include switching from the first RAT to a second RAT and engaging in data communication for the application over the second RAT in an instance in which the quality metric does not satisfy the threshold connection quality metric.
US09756540B2 System and method for offloading traffic from cellular networks
An extensible framework for offloading data traffic sent to a mobile computing device over a cellular network to a wireless network comprises software plugins, a plugin host that is typically part of the mobile device operating system, and plugin interfaces through which the plugin host communicates with the plugins. A plugin is associated with one or more mobile operators. The framework can comprise one or more plugins, but typically, only one plugin is active at a time. The framework can automatically detect and connect to wireless networks associated with a mobile operator associated with an active plugin. The plugin can automatically authenticate the mobile device or a mobile device user with the mobile operator over the connected wireless network. The plugins are not allowed access to operating system functions responsible for detecting and connecting and disconnecting to a wireless network, which can improve mobile operating system stability and battery life.
US09756538B2 Method, equipment and system for handing over cell in communication system supporting carrier aggregation
A method, an equipment and a system for handing over a cell in a communication system supporting carrier aggregation. The method includes: when a terminal in the communication system moves to the edge of the currently serving cell, the terminal selects one or more neighbor cells from one or more neighbor cells as measurement objects according to the carrier aggregation manner of the one or more neighbor cells; the terminal measures the capabilities of the measurement objects, and obtains one or more measurement results; and the terminal sends a source base station which currently serving the terminal one or more measurement results as capability measurement reports of the one or more neighbor cells. Also provided are an equipment for handing over a cell in a communication system supporting carrier aggregation, a terminal including the said equipment and a communication system including the said terminal.
US09756536B2 Method and apparatus for managing information in a communication system
In accordance with an example embodiment of the present invention in a heterogeneous network, there is provided an apparatus, comprising a receiver configured to receive information from a local access point, the information comprising system information of a macro base station associated with the local access point. The information may be received responsive to a request and/or the information may comprise full system information. The at least one processing core may cause the apparatus to participate in a procedure with the macro base station based at least in part on the information.
US09756533B2 Network-instructed handover from WLAN to another radio access network
Systems and methods are disclosed for providing a network-instructed handover of a wireless device from a Wireless Local Area Network (WLAN) to a Radio Access Network (RAN) of another Radio Access Technology (RAT), e.g., a 3rd Generation Partnership Project (3GPP) or 3rd Generation Partnership Project 2 (3GPP2) RAT. In one embodiment, a WLAN access node determines that a handover of a wireless device from the WLAN to another RAN of a different RAT is to be performed and transmits a handover instruction to the wireless device that instructs the wireless device to perform a handover from the WLAN to a RAN of a different RAT. In this manner, the WLAN access node is able to steer the wireless device from the WLAN to a RAN of a different RAT.
US09756532B2 Carrier aggregation sCell selection for LTE-A
Systems and methods for Secondary Cell (sCell) selection for wireless devices operating according to a carrier aggregation scheme in a cellular communications network are disclosed. In one embodiment, a network node obtains a list of potential sCells for a wireless device. The network node blindly selects an sCell for the wireless device from the list of potential sCells. The network node then configures the wireless device with the selected sCell. Blindly selecting the sCell for the wireless device makes it possible to avoid the use of measurement gaps and reduce throughput loss, according to some embodiments.
US09756530B2 Client-controlled handover between radio technologies
A mobile client can include a first voice interface to communicate over a first network and a second voice interface to communicate over a second network. The mobile client includes a data interface to perform signaling with a private branch exchange (PBX) of an enterprise system and a call control. The call control can determine that an established media session between the mobile client and a third party requires a handoff from the first network to the second network and signal the PBX to establish parameters for the handoff via the data interface. The call control can also perform the handoff of the established media session between the mobile client and the third party to the second network according to the parameters.
US09756526B2 Method and apparatus for constructing very high throughput long training field sequences
Techniques are provided for constructing or determining a training sequence as a part of transmission preamble to minimize (or at least reduce) a peak-to-average power ratio (PAPR) at a transmitting node. In one example, a long training field (LTF) sequence of a preamble is determined that combines a set of interpolating sequences with LTF tone values. The LTF tone values may cover at least a portion of bandwidth of a first size, with each of the LTF tone values repeated for different subcarriers. The phases of tones of the LTF sequence may be rotated per bandwidth of the first size and certain tones of the LTF sequence may have a stream of values at pilot locations. For example, the phases of tones of the LTF sequence may be rotated in an effort to reduce PAPR during a transmission of the LTF sequence.
US09756525B2 Traffic management for base stations backhauled over data-capped network connections
A method includes receiving a connection request from a mobile device at a network device to allow connection of the mobile device to a core network of the first service provider through a first base station and determining whether a backhaul connection between the core network of the first service provider and the first base station is congested by the network device. The backhaul connection is determined to be congested when L is greater than (D−B)/T. When the first backhaul connection is determined to be congested, the method also includes preventing the first base station from connecting the mobile device to the core network.
US09756524B2 Method and system for signaling saving on radio access networks using early throttling mechanism for communication devices
An intelligent system and a method in a packet network to utilize the radio network resource and the core network resource in an optimized way so that more high priority, critical devices are granted access to the network while throttling the low priority, non-critical devices with the same given resource. The system collects all the necessary information from the signaling exchange between the radio access network and the core network and takes the device subscription characteristics and statically or dynamically defined throttling behavior rules into consideration to choose the optimal behavior to handle the requests from devices at any given time including deciding to reject the requests for certain types of devices under certain network conditions while granting the requests for other types of devices. This early throttling mechanism effectively increases the network resources, especially radio access network resources for high priority devices so that the quality of service does not change for those high priority devices even under network congestion condition.
US09756522B2 Session assignment and balancing
A server device may determine session information that identifies a quantity of sessions established between each of one or more serving gateways (SGWs) and a packet data network (PDN) gateway (PGW); and direct a mobility management entity (MME) to assign additional sessions between the one or more SGWs and the PGW based on the session information.
US09756521B2 Measurement method, user equipment, base station, and wireless communications system
Embodiments of the present invention disclose a measurement method, user equipment, a base station, and a wireless communications system, where the method includes: determining, according to transmit bandwidth and transmit time of a new carrier type cell-specific reference signal in a cell of the first base station and the transmit bandwidth and the transmit time of the new carrier type cell-specific reference signal in the cell of the second base station, measurement bandwidth and measurement time corresponding to a cell in which user equipment is located; and transmitting measurement configuration information including the measurement bandwidth and the measurement time to the user equipment. The first base station may acquire the transmit bandwidth and the transmit time, and deliver, to UE, measurement configuration information including two pieces of information, namely, measurement bandwidth and measurement time. Therefore, a solution for performing effective measurement in a new carrier type is provided.
US09756519B2 Communication signal rate detection system
One example includes a rate detector system. The rate detector system includes a plurality of energy detectors configured to receive an input signal and to filter separate respective frequency bands associated with the input signal to generate separate respective energy profiles. The system also includes an energy processing component configured to determine a symbol rate of the input signal based on a statistical evaluation of a ratio of the separate respective energy profiles.
US09756517B1 Efficient deployment of mobile test units to gather location-dependent radio-frequency data
A technique for designing and testing drive-test plan for gathering location-dependent RF data is disclosed. In accordance with some embodiments of the present invention, one candidate drive-test plan is chosen for implementation over a second based on an economic cost-benefit analysis of both plans. This is in marked contrast to, for example, a selection of drive-test plans, or the design of a drive-test plan, based on a calibration-cost analysis, in which the data estimated to be the most effective to calibrate a radio-frequency tool is sought for a given cost or the least cost. Although a data-estimated-to-be-most-effective-to-calibrate-a-radio-frequency-tool vs. cost analysis is a species of cost-benefit analyzes in general, it is not an economic cost-benefit analysis because a data-estimated-to-be-most-effective-to-calibrate-a-radio-frequency-tool vs. cost analysis has deficiencies that an economic cost-benefit analysis does not.
US09756514B2 Device and method for controlling drive test in wireless communication system
An apparatus and method for matching the radio channel measurement timing of Minimization of Drive Test (MDT) cycle with timings of the Discontinuous Reception (DRX) cycle are provided. The radio channel measurement method of a terminal according to the present invention includes configuring a DRX cycle, receiving a Minimization of Drive Test (MDT) cycle, comparing the DRX cycle and the MDT cycle, measuring, when the MDT cycle is an integer multiple of the DRX cycle, the radio channel at DRX timings matching with MDT timings, and storing a result of the measurement.
US09756510B2 Methods and devices for providing measurement reports
The invention proposes method of providing measurement reports. The eNodeB sends (S10, S11) a user equipment information about a plurality of subframe patterns used by a plurality of wireless networks respectively, and notifies (S12, S13) the user equipment associations between the measurement reports and said plurality of subframe patterns. The user equipment measures (S14) channel information in at least one subframe patterns, generates measurement reports for said at least one subframe patterns according to said association, and sends (S15, S16) said measurement reports to said eNodeB. The eNodeB relates (S17) each of the received measurement reports with the corresponding subframe pattern according to said association.
US09756509B2 Defining logical cells
It is disclosed a method and a network node (502, 70, 90) for selecting a candidate cell (14, 44, 06) to be combined with a target cell (12, 42, 502) having a radio equipment (76) connected to a radio equipment controller (74). The method comprises identifying (612, 82) at least two candidate cells where a time delay in communication between any two of: said at least two candidate cells and the target cell, is below a pre-determined time threshold, selecting (614, 84) the one (44) having the highest connection activity with the target cell; and combining (616, 86) the selected candidate cell (14, 44) and said target cell (12, 42) into a logical cell. Embodiments of the present invention have the advantage that the logical cells being defined provides have a high overall mobile network connectivity improvement.
US09756508B2 System and method for determining the location of a station in a wireless environment
A system for quantifying the shadow fading observed in a wireless environment having multiple wireless access points is also provided. A distance determination module is in signal communication with the wireless access points. The distance determination module determines a distance between a pair of the wireless access points based on location information that relates to the locations of the wireless access points at the wireless environment. A shadow fading determination module is also in signal communication with the wireless access points. The shadow fading determination module determines a shadow fading factor based on the distance between a pair of the wireless access points and based on RSS information received from one of the wireless access points in the pair of wireless access points.
US09756506B2 Apparatus, method and base station for clustering small cells in TDD networks
The present application discloses an apparatus and a method for clustering small cells in TDD networks and a base station including the apparatus. The apparatus includes: an information acquiring unit, configured to acquire a transmitting feature among the small cells in the TDD networks and uplink traffic and/or downlink traffic of each small cell; and a clustering unit, configured to clustering the small cells based on the transmitting feature among the small cells and the uplink traffic and/or downlink traffic of each small cell acquired by the information acquiring unit, to obtain at least one small cell cluster.
US09756500B2 Service processing method and related device
A service processing method and related devices are disclosed. The method includes: receiving, by a mobility management entity (MME), an access request message from a user equipment; determining, by the MME, whether the access request message from the user equipment is an attach message or a tracking area update request message; and if the MME has been registered as a short message serving node of the user equipment in a home subscriber server (HSS) and it is determined that the access request message is the attach message or the tracking area update request message, sending, by the MME, a notification to the HSS to inform the HSS to cancel registration of the MME as the short message serving node of the user equipment.
US09756494B2 Method and system for providing a service at a current location
A processor receives a request to access the service via the software client. The processor sends to a network service provider a request for validation of a current location as to a coverage of an emergency service, when the current location was not previously validated for the coverage of the emergency service. The processor determines whether a response is received from the network service provider, indicating that the current location is validated for the coverage of the emergency service, wherein the response includes an address identifier associated with the current location for accessing the emergency service. The processor performs a registration with the network service provider via the software client at the current location, when the response is received indicating that the current location is validated for the coverage of the emergency service and enables the user to access the service via the software client at the current location.
US09756493B2 Method and apparatus for cooperative positioning in a wireless communication network
According to the teachings herein, a wireless device that is a candidate for operating in the cooperative positioning advantageously activates that mode in response to detecting a warning situation. In some embodiments, the detection and/or activation operations are autonomously undertaken by the wireless device. In other embodiments, the wireless communication network provides warning situation detection and/or control of the cooperative positioning mode. More generally, the wireless communication network maintains a database identifying those wireless devices within a given service area that are cooperative positioning mode candidates—e.g., the devices having D2D communication capability and operational configurations that allow such operation. By the network providing such information in advance of a warning situation, the candidate devices have the information needed to efficiently discover or otherwise identify other such candidates.
US09756487B1 Systems and methods for personalized text message marketing
Systems, methods, and non-transitory computer readable media are configured to transmit a communication to a first computing device associated with a first person, wherein the communication includes an indication that the communication is from a phone number. A response to the communication is received from the first computing device. The response is routed to a second computing device associated with a second person and a second phone number. A reply to the response is received from the second computing device. The reply is transmitted to the first computing device, wherein the reply includes an indication that the reply is from the phone number.
US09756485B2 Methods and systems for walkie-talkie communications
Walkie-talkies are a common means of coordinating activities at events but must be handed out, transferred as shifts and personnel in roles change, and collected. Further, walkie-talkies have a set range and the bigger the range the more expensive the walkie-talkie. Accordingly, it would be beneficial to provide individuals, enterprises, organizers, etc. with the ability to establish communications to individuals or group of individuals rapidly, with low complexity and management overhead, exploiting walkie-talkie style communications upon mobile devices connected to wireless networks over varying geographical areas without requiring distribution of walkie-talkies etc. as the mobile device is the user's own smartphone or cellphone. Further, it would be beneficial for such communications to be managed through a software application such that the user's virtual walkie-talkie automatically assigns channels etc. based upon the user's role, the event, their location etc.
US09756474B1 Mobile device notification generation
The methods and software application described herein monitor the acceleration experienced by a mobile device and determine when said acceleration exceeds a predetermined acceleration threshold that may be indicative of an unusually rapid acceleration or deceleration. In the event of a sudden acceleration or deceleration, the methods and mobile application described herein automatically trigger a timely, event-related notification to the user of the mobile device, such as displaying a banner on the mobile device's display, a text, electronic mail, or voice message.
US09756473B2 Method and apparatus for providing positional information using wireless fidelity (WIFI) information
A method and apparatus for providing positional information using wireless fidelity (WiFi) information is provided. A method of providing positional information at a mobile terminal may include collecting WiFi access point (AP) information by scanning for a WiFi AP in a vicinity of the mobile terminal, extracting facility information associated with a facility associated with the WiFi AP, and determining the positional information of the mobile terminal based on the extracted facility information.
US09756469B2 System with multiple conditional commit databases
A system for processing a transaction is disclosed. The system comprises a processor and a memory. The processor is configured to check a condition using data in a first database, wherein the data is associated with a transaction, wherein the data in the first database is latched before checking the condition and is unlatched after checking the condition. The processor is further configured to indicate to a second database to check the condition using data in the second database, wherein the data is associated with the transaction. The data in the second database is latched before checking the condition and is unlatched after checking the condition. The memory is coupled to the processor and configured to provide the processor with instructions.
US09756468B2 System and method for providing data services on vehicles
Devices, systems, methods and computer-readable media are provided for data communication to and from a vehicle. A device is provided that includes memory storing processor-executable instructions; and at least one processor in communication with the memory that executes the stored instructions to: receive, from at least one user on the vehicle, at least one request for data communication; identify a plurality of communication links available at a current location of the moving vehicle; form an adaptive bonded communication link using the plurality of communication links to aggregate throughput across the plurality of communication links for the requested data communication, wherein the adaptive bonded communication link is configured to adapt to data communication requirements for the requested data communication and to data communication characteristics of the plurality of communication links as the vehicle moves. Corresponding methods, computer system products, uses, and computer-readable media are also provided.
US09756466B1 Providing geographic locations of a user's wireless device
A method, system, and medium are provided for determining the identity of a user associated with a wireless device located near a geographic location at a specific time. In response to the occurrence of an event at a geographic location, a request can be issued by a wireless provider to users of wireless devices to provide the geographic locations of their respective devices and their identities to one or more entities. Upon receiving an affirmative response to the request, the wireless provider communicates information to the entities allowing the entities to contact the users to solicit information regarding the occurrence of the event. A wireless provider may send a request for authorization to users of wireless devices to provide geographic locations when the wireless devices enter a predefined geographic area.
US09756462B2 Device state derivation
Systems and methods for device state derivation are described. Some implementations include receiving, from a mobile station at a state derivation server, current connectivity characteristics of one or more radio access technologies (RATs) that are serviced by a modem of the mobile station, analyzing the one or more connectivity characteristics to determine one or more of: whether the mobile station is tuning away from a particular RAT to access another RAT or a duration for which the mobile station is tuning away from the particular RAT to access the other RAT, based on the analyzing, determining a current connectivity state of the mobile station, and displaying the current connectivity state at a user interface of a computing device associated with the state derivation server.
US09756455B2 Terminal and method for audio data transmission
Aspects of the disclosure provide a terminal adapted to transmit audio data via Bluetooth to a device. The terminal includes a controller adapted to detect configuration parameters of the device and optimally determine configuration parameters of the terminal, and a transmission module capable of transmitting a packet of a first packet type based on a first mode of the terminal and a packet of a second packet type based on a second mode of the terminal. The audio data is modulated by a first modulation mode in the first mode and the audio data is modulated by a second modulation mode in the second mode that is more efficient than the first modulation mode. When the device cannot operate in the second mode but can operate in the first mode, the controller causes the transmission module to create a packet of the first packet type containing the audio data.
US09756454B1 Portable wearable primary device which communciates data to secondary device that is in communication with multiple networks and related communication systems
An personal portable communication device and system is provided which includes a handheld beacon that has a controller, a short range signal transmitter, and a power source, and at least one switch, an indicator light and a short range signal receiver that transmits and receives signals to a secondary relay communication device such as a smartphone wherein the secondary device sends second communication signals including messages according to predetermined instructions to predetermined destinations.
US09756451B2 Terminal apparatus and information processing method
There provides an information processing method and a terminal apparatus, and the information processing method is applied in the terminal apparatus, and the terminal apparatus is able to be connected with a remote server. The information processing method includes obtaining a first operation for a first operating environment of a specific user of the terminal apparatus in the first operating environment; responding to the first operation by the first operating environment; transmitting first parameter information of the first operation and second parameter information of the first operating environment in response to the first operation to the remote server; receiving customized configuration information or customized prompt information related to the specific user from the remote server; configuring the first operating environment to provide optimized customized configuration or customized prompt to the specific user based on the customized configuration information or the customized prompt information.
US09756447B2 Acoustic control apparatus
According to an embodiment, a control filter coefficient is calculated in such a manner that a second spatial average of one or more complex sound pressure ratios at one or more target binaural positions when a first loudspeaker and a second loudspeaker emit a second acoustic signal and a first acoustic signal is approximated to a first spatial average of one or more complex sound pressure ratios at the one or more target binaural positions when a target virtual acoustic source emits the first acoustic signal.
US09756441B2 Digital wireless audio transmission system with optimized dynamics
A digital audio transmission system, in particular a wireless microphone or wireless pocket transmitter system. The audio transmission system has at least one wireless transmitter and at least one wireless receiver. The wireless transmitter has an analog input, a digitally adjustable input potentiometer for adjusting the input gain, an analog/digital converter for converting the analog signals into digital signals, a digital signal processing unit for performing digital signal processing, and a digital or a digitally adjustable output potentiometer for adjusting the output gain. The digital signal processing unit is adapted to adjust the gain of the digital input potentiometer and/or the digital output potentiometer in such a way that the dynamic range of the analog/digital converter is optimally utilized.
US09756437B2 System and method for transmitting environmental acoustical information in digital audio signals
Disclosed are systems and methods for enhancing playback of an audio signal to approximate the listening experience at a recording site. A test signal is emitted into a recording environment and acoustic parameters for the recording environment are calculated according to the test signal and a response to the test signal. An encoded signal including a recording of an audio event in the recording environment and the acoustic parameters is then transmitted to a listening site or affixed to a medium. At the listening site the acoustic parameters are extracted and the recording is enhanced or corrected according to the acoustic parameters. Acoustic parameters for the listening site may also be calculated and the recording may be further enhanced therewith. During playback of the enhanced recording, the sound may be measured and the enhanced recording may be actively enhanced during playback according to the measurement.
US09756434B2 Method of operating a binaural hearing aid system and a binaural hearing aid system
A method of operating a binaural hearing aid system (100) comprises an auxiliary device, wherein the hearing aids and the auxiliary device are wirelessly connected in a wireless network and wherein the power consumption is significantly reduced by having one hearing aid assuming the role of a passive slave in the wireless network. The invention further provides a binaural hearing aid system (100).
US09756429B2 MEMS device and process
A MEMS capacitive transducer with increased robustness and resilience to acoustic shock. The transducer structure includes a flexible membrane supported between a first volume and a second volume, and at least one variable vent structure in communication with at least one of the first and second volumes. The variable vent structure includes at least one moveable portion which is moveable in response to a pressure differential across the moveable portion so as to vary the size of a flow path through the vent structure. The variable vent may be formed through the membrane and the moveable portion may be a part of the membrane, defined by one or more channels, that is deflectable away from the surface of the membrane. The variable vent is preferably closed in the normal range of pressure differentials but opens at high pressure differentials to provide more rapid equalization of the air volumes above and below the membrane.
US09756428B1 Electro-acoustic transducer
An electro-acoustic transducer includes a base, a plurality of vibration portions and a connection portion. Each of the vibration portion includes a piezoelectric transduction layer and has a first connection end and a second connection end opposite to each other, and the first connection ends are connected to the base. The connection portion is separated from the base and connected to the second connection ends. The piezoelectric transduction layers are adapted to receive electrical signals to deform, such that the vibration portions are driven to vibrate and generate corresponding acoustic waves. The vibration portions are adapted to receive acoustic waves to vibrate, such that the piezoelectric transduction layers are driven to deform and generate corresponding electrical signals.
US09756425B2 Baseball-style cap with amplified stereo speakers
An embodiment of a baseball-style cap and stereo combination having a crown, a brim/bill, a sweatband, and one or more speakers concealed within the brim/bill is disclosed. The stereo components including a wireless receiver, an amplifier, and/or battery are concealed within an inner surface and/or inner space defined as the area between the lowermost inner surface area of the crown and the inner surface of the sweatband. The wireless receiver receivers audio signals from an external audio source and plays the audio via the one or more speakers.
US09756418B2 Sound reproduction device, sound reproduction method and sound reproduction program
The above sound reproduction device is applied to an acoustic space such as a passenger compartment, and controls the levels of the reproduced sounds at two evaluation points set at the seats in the passenger compartment, for example. Specifically, the sound reproduction device controls the phase of the sound signal inputted from external and supplies the sound signals to the pair of speakers. The phase control is performed for each of the plurality of listening positions such that a sum of reproduced sound levels at the two evaluation points becomes larger than the sum obtained in a case where the sound signal is reproduced only one of the pair of speakers.
US09756410B2 Digital microphone interface supporting multiple microphones
Extending a microphone interface. One microphone interface extension includes a controller, a parent microphone, and a child microphone. The controller outputs a controller clock signal. The parent microphone receives the controller clock signal and generates a first data signal. The child microphone generates a second data signal and outputs the second data signal to the first parent microphone. The parent microphone receives the second data signal from the child microphone and outputs a combined data signal to the controller based on the first data signal and the second data signal. The parent microphone outputs the combined data signal to the controller on a phase of a microphone clock signal derived from the controller clock signal.
US09756409B2 Loudspeaker cover
A loudspeaker cover (1) has a carrier frame (2) and a sound-permeable loudspeaker covering panel (3) attached to the carrier frame (2). A light exit opening (7) is formed between the loudspeaker covering panel (3) and the carrier frame (2). A lighting device (4) having at least one lightguide (40) and at least one lighting unit are arranged so that, during operation, light can be input into the lightguide (40). The lightguide (40) is arranged between the carrier frame (2) and the loudspeaker covering panel (3) and extends in the circumferential direction of the carrier frame (2). As a result, at least a portion of the light exiting a lateral surface of the lightguide (40) can propagate into the surroundings through the light exit opening (7). The carrier frame (2) is connected at least in certain sections in a materially joined fashion to the loudspeaker covering panel (3).
US09756406B1 Systems, apparatus, and methods for a configurable gearbox
Systems, apparatus, and methods for a configurable gearbox with a variable number of input lanes and output lanes and a multiplexer for each output lane that can be configured to dynamically select any of the input lanes during each clock cycle.
US09756405B2 Control plane assisted optical switch
Systems and methods for controlling an optical switch via one of a control plane and Software Defined Networking (SDN) include associating one or more managed endpoints with one or more line ports of an optical switch; receiving state information for the one or more managed endpoints over a session associated with one of the control plane and the SDN; and controlling switching of the one or more line ports based on the state information for the one or more managed endpoints. The optical switch is an all-optical device which does not have access to digital signal quality information of associated signals.
US09756403B2 Monitoring device with selectable wireless communication
One or more sensors are coupled to a monitoring device which has a unique user ID. The one or more sensors acquire user information selected from of at least one of, a user's activities, behaviors and habit information. ID circuitry including ID storage, a communication system that reads and transmits the unique ID from an ID storage, a power source and a pathway system to route signals through the circuitry is at the monitoring device. A multi-protocol wireless controller coupled to one or more wireless interfaces is at the monitoring device and characterizes available networks to determine current network information. A wireless connectivity assistant is at the monitoring device and selects one of the available networks based on the current network information and at least one of user preferences, application requirements and system information. A telemetry system is in communication with the monitoring device.
US09756399B2 Remote engagement system
A remote engagement system for a live event includes at least one output device located at the live event for providing an audio and/or visual output to people at the live event. A controller receives signals transmitted from a plurality of user input devices and in response thereto and in real time or near real time, controls the at least one output device located at the live event to provide an audio and/or visual output to people at the live event.
US09756398B2 TV and operating method thereof
Provided is an operating method of a TV. The method includes: receiving a multi screen enter command according to a user input; transmitting a multi screen request signal to a server in response to the multi screen enter command; receiving a multi screen response signal corresponding to the multi screen request signal transmitted through a first channel from the server; entering a multi screen mode according to multi screen information included in the multi screen response signal; and storing the multi screen information.
US09756396B2 Method and apparatus for providing broadcast service
A method and apparatus for providing broadcast services are disclosed. One aspect of the invention provides a broadcast receiving apparatus that is connected over a network with a head-end and is configured to output a content on a screen in response to a user's request. The broadcast receiving apparatus includes: a key input receiving part configured to receive a preset key signal as input; a content identification part configured to identify a content outputted on the screen at a time point of inputting the key signal; and an option interface decision part configured to decide an option interface for the identified content.
US09756395B1 Content rating and control
Systems and methods are disclosed for restricting access to content elements with content ratings. In one method, the content distributor can receive a request from a device to access a set of content elements. The content distributor can then identify at least a content descriptor and a content rating for each content element within the set of content elements, identify a range within the content ratings, and identify content elements with content ratings that are within the range. The content distributor can transmit at least the content descriptors for content elements having content ratings that are within the range to the device for display on the device. This permits a device user to access the content elements by content descriptor. In this method, at least some content descriptors for content elements having content ratings that are outside of the range are not transmitted to the device.
US09756394B2 System and method of content and merchandise recommendation
A method includes receiving, at a user device, first input corresponding to selection of a recommendation option of an electronic program guide. The method includes sending, from the user device to a display device, a first option to base a media content recommendation on a most recently displayed media content item and a second option to base the media content recommendation on a plurality of displayed media content items. The method includes receiving, at the user device, second input that corresponds to the first option or the second option. The method includes sending a request from the user device to a server. The request includes an identifier based on the second input. The method also includes receiving information corresponding to one or more recommended media content items at the user device in response to the request.
US09756389B2 Systems and methods for digital media storage and playback
Methods and systems for storage and playback of broadcast media received via a local digital video recording (DVR) system. The system includes the DVR system configured to receive the broadcast media and upload the broadcast media to a storage server over a network. The DVR system divides the broadcast media content into blocks and assigns a unique block ID to each block based on the block data. Prior to uploading each block to the storage server, the unique block ID is sent to the storage server, which only uploads and stored the block if a duplicate block has not already been stored on the storage device, minimizing network demand. A transcoding server coupled to the storage server transcodes the broadcast media content for streaming over the network.
US09756387B2 Systems and methods for using a remote control for presence detection
The systems and methods discussed herein are directed to presence detection of portable devices of audience measurement panel members, and include a first audience measurement device in proximity to a media device, and a second audience measurement device in the form of a remote control for controlling the media device. The second audience measurement device may receive broadcast identification codes from the portable device of a panel member, and may transmit indicators of received signal strength to the first audience measurement device. The first audience measurement device may similar measure received broadcast signal strength from the portable device, and compare the local measurement and remote measurement to thresholds to determine whether the panel member's portable device is likely in proximity, and thus that the panel member is likely consuming media from the media device.
US09756384B2 Electronic device with different processing modes
An electronic device can connect to and communicate with multiple independent load medias. The electronic device comprises a processor and a first switch module. The processor is capable of switching between a first working mode and a second working mode. Under the second working mode, the processor can generate a second control signal whereby independent connections are established between at least two load medias and the first switch module. The processor processes the signals from the selected load medias simultaneously.
US09756380B2 Broadcast receiver and 3D video data processing method thereof
A broadcast receiver and a 3D broadcast data processing method are disclosed. The processing method includes receiving a broadcast signal including system information (SI) and video data, parsing SI of a program, and determining whether the program provides a 3D broadcast service on the basis of the SI, extracting, if the program provides a 3D broadcast service, 3D broadcast data corresponding to the 3D broadcast service, and processing the 3D video data according to the SI. The broadcast receiver includes a receiving unit receiving a broadcast signal including SI and video data, an SI processor parsing system information of a program, and determining whether the program provides a 3D broadcast service on the basis of the SI, a demultiplexer extracting, if the program provides a 3D broadcast service, 3D broadcast data corresponding to a 3D broadcast service, and a video processing unit processing 3D video data according to the SI.
US09756379B2 Display apparatus and control method thereof
A display apparatus includes a signal receiver configured to receive a broadcast signal comprising a broadcast content and channel information and corresponding to a plurality of channels, a signal processor configured to process the received broadcast signal and extract the broadcast content and the channel information from the broadcast signal, a display configured to display an image based on the extracted broadcast content, and a controller configured to determine a plurality of overlapped channels, which have the same broadcast content but are different in a type of broadcast content, based on the extracted channel information, and perform a control operation for the determined overlapped channels. A method of controlling the display apparatus includes determining a plurality of overlapped channels, which have the same broadcast content but are different in a type of broadcast content, based on the extracted channel information, and performing a control operation for the determined overlapped channels.
US09756377B2 System and method for broadcasting web pages and other information
Embodiments of the invention provide a system and method for interactive broadcasting of information such as Internet web pages, television program guide, user account information, or the like on dedicated downstream channels in a cable television system. One embodiment provides picture-in-picture capability using a single tuner. More specifically, a headend includes a scaler application that reduces the size of the video program or a content related web page, which are then combined at the headend in a picture-in-picture format and transmitted over a distribution network to a user.
US09756370B2 Predicting content popularity
A method includes receiving media data corresponding to a media content item. The method further includes analyzing the media data to determine characteristics of the media content item based on first visual information contained in the media content item. The method further includes analyzing the characteristics of the media content item based on a media popularity model to generate a prediction of whether the media content item is likely to exceed a popularity threshold within a particular period of time. The method further includes determining, at the computing device, a network location at which to store the media content item based on the prediction.
US09756368B2 Methods and apparatus to identify media using hash keys
Methods and apparatus are disclosed to correct hash keys. An example method involves accessing a first metered hash key and first reference metadata associated with the first metered hash key. Accessing second reference metadata associated with a second hash key adjacent to the first metered hash key. Determining if the first metered hash key is unexpected. When the first metered hash key is unexpected, generating an error level using a first bitwise comparison of the first metered hash key and the second hash key. Determining if the error level satisfies a threshold. When the error level satisfies the threshold, storing the second hash key as the first metered hash key.
US09756364B2 Streaming method and apparatus operating by inserting other content into main content
A method and apparatus for reproducing media data are provided. The method includes: receiving a first file including information about a period of first content and information about a period of second content; receiving and reproducing media data of the first content based on the received first file; stopping reproducing of the media data of the first content and receiving and reproducing media data of the second content based on the first file; and receiving and reproducing the media data of the first content when the reproducing the media data of the second content is completed, wherein the information about the period of the second content includes location information about the second media data of the second content or location information of a second file including the location information about the second media data of the second content.
US09756357B2 Methods and devices for encoding and decoding an image sequence implementing a prediction by forward motion compensation, corresponding stream and computer program
A method and apparatus for encoding a sequence of images by predicting at least one current image by forward motion compensation from at least one reference image. Prediction implements, for at least one current block of the current image: forward projection of a block of the reference image on the current image, delivering a projected block at least partially overlapping the current block; partitioning the current block delivering a sub-block at least partially overlapped by at least one projected block; and at least one iteration of the following steps for at least one overlapped sub-block: checking that the overlapped sub-block complies with a predetermined allotting criterion; with a positive check, allotting, to the overlapped sub-block, one of the projected motion vectors; and with a negative check, and so long as a predetermined minimum size is not reached for the overlapped sub-block: partitioning of the overlapped sub-block.
US09756351B2 HEVC video encoder and decoder for multi-core
The disclosure provides a video encoder. The video encoder receives a frame and divides the frame into a plurality of tiles. The video encoder includes a plurality of video processing engines communicatively coupled with each other. Each video processing engine receives a tile of the plurality of tiles. A height of each tile is equal to a height of the frame and each tile comprises a plurality of rows. The plurality of video processing engines includes a first and a second video processing engine. The second video processing engine being initiated after the first video processing engines processes M rows of the plurality of rows of the tile, where M is an integer.
US09756349B2 User interface, system and method for controlling a video stream
A graphical user interface, system and method are described controlling a video stream. For example, a data processing apparatus according to one embodiment has a memory for storing program code and a processor for processing the program code to generate a graphical user interface (“GUI”) comprising: a plurality of video thumbnails arranged in a pattern, each of the video thumbnails rendering a compressed version of a real-time video of a particular movie, television series, game, or other type of video content; and a selection graphic highlighting a currently-selected video thumbnail, the thumbnails moving within the GUI in relation to the selection graphic in response to user input from an input device.
US09756346B2 Edge-selective intra coding
Edge-selective intra coding may include encoding a first input block, generating a first reconstructed block by decoding the first encoded block, determining a reconstruction error block based on a difference between the first input block and the first reconstructed block, identifying a second input block from the first input frame, and determining a plurality of refined context pixels. Determining a plurality of refined context pixels may include identifying a plurality of context pixels from the reconstruction error block, generating a plurality of encoded context pixels by encoding the plurality of context pixels, generating a plurality of reconstructed context pixels by decoding the plurality of encoded context pixels, and adding at least a portion of the reconstruction error block and the plurality of reconstructed context pixels. The method may include generating a second encoded block by encoding the second input block based on the plurality of refined context pixels.
US09756345B2 Video encoding method and apparatus, and video decoding apparatus
To allow a finer quantization control according to the property of an image within a macroblock, quantization parameter values are allowed to be changed in units of sub-blocks equal to or smaller than the macroblock in a similar manner as in motion compensation and orthogonal transform processes. A finer-tuned quantization control is performed, for example, by selecting fine and coarse quantization parameters respectively for corresponding sub-blocks if a plurality of images having different properties coexist within the macroblock.
US09756342B2 Method for context based encoding of a histogram map of an image
The invention relates to a method (100) for context based encoding of a histogram map of an image, the histogram map representing location information of key points of the image, the method comprising: providing (101) compressed context representation information (A; B; C) associated to a given encoding size and to a given block size of a spatial grid applied to a matrix representation of the image to obtain the histogram map; computing (103), from the compressed context representation information (A; B; C), a context (201) for the given encoding size and the given block size by applying an approximation algorithm; and encoding (105) the histogram map using the context computed for the given encoding size and the given block size.
US09756340B2 Video encoding device and video encoding method
Disclosed is a video encoding device including an arithmetic contents determining unit that takes into consideration the arithmetic contents of an SAO arithmetic operation performed on a local decoded image of an already-encoded block pointed to by a motion vector which is searched for through a motion-compensated prediction process performed by a motion-compensated prediction unit, to determine the arithmetic contents of an SAO arithmetic operation to be performed on a local decoded image after a deblocking filter process performed by a deblocking filter unit.
US09756335B2 Optimizations on inter-layer prediction signalling for multi-layer video coding
A method of coding video data includes receiving one or more layers of video information. Each layer may include at least one picture. The method can include determining a number of active reference layer pictures associated with at least one picture of the one or more layers. The method can further include determining a number of direct reference layers associated with the at least one of the one or more layers. Based on the number of direct reference layers equaling the number of active reference layer pictures, the method can further include refraining from further signaling inter-layer reference picture information in any video slice associated with at least one of a video parameter set (VPS), a sequence parameter set (SPS), or a picture parameter set (PPS).
US09756333B2 Enhanced wireless display
A device source provides an ability to decompose a graphical display into multiple data streams (i.e., different layers). The multiple data streams may include multimedia data streams, operating system (OS) desktop data streams, and mouse data streams. The multiple data streams may be encoded and transmitted independently by the device source to a wireless display device.
US09756330B2 Adaptive partition coding
Although wedgelet-based partitioning seems to represent a better tradeoff between side information rate on the one hand and achievable variety in partitioning possibilities on the other hand, compared to contour partitioning, the ability to alleviate the constraints of the partitioning to the extent that the partitions have to be wedgelet partitions, enables applying relatively uncomplex statistical analysis onto overlaid spatially sampled texture information in order to derive a good predictor for the bi-segmentation in a depth/disparity map. Thus, in accordance with a first aspect it is exactly the increase of the freedom which alleviates the signaling overhead provided that co-located texture information in form of a picture is present. Another aspect pertains the possibility to save side information rate involved with signaling a respective coding mode supporting irregular partitioning.
US09756327B2 Quantization matrix and deblocking filter adjustments for video coding
A device may include a video coder to determine an equivalent quantization parameter (QP) for a decoded block of video data using a quantization matrix for the decoded block of video data, determine deblocking parameters based on the determined equivalent QP, and deblock an edge of the decoded block based on the determined deblocking parameters. In particular, the video coder may determine equivalent QPs for two neighboring blocks defining a common edge, and deblock the common edge based on the equivalent QPs. The video coder may determine deblocking parameters, such as β and tc values, based on the equivalent QPs. The video coder may then deblock the common edge based on the deblocking parameters, e.g., determine whether to deblock the common edge, determine whether to apply a strong or a weak filter to the common edge, and determine a width (in number of pixels) for a weak filter.
US09756326B2 Video coding method using at least evaluated visual quality and related video coding apparatus
A video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for deciding a target bit allocation of a rate-controlled unit in video coding. Besides, a video coding apparatus has a visual quality evaluation module, a rate controller and a coding circuit. The visual quality evaluation module evaluates visual quality based on data involved in a coding loop. The rate controller refers to at least the evaluated visual quality for deciding a target bit allocation of a rate-controlled unit. The coding circuit has the coding loop included therein, and encodes the rate-controlled unit according to the target bit allocation.
US09756319B2 Virtual see-through instrument cluster with live video
At least one embodiment disclosed herein includes generating a three-dimensional graphical output that includes a three-dimensional representation of a video of an area external to a vehicle, and displaying the three-dimensional graphical output on a three-dimensional display disposed within a vehicle.
US09756316B2 Joint view expansion and filtering for automultiscopic 3D displays
Multi-view autostereoscopic displays provide an immersive, glasses-free 3D viewing experience, but they preferably use correctly filtered content from multiple viewpoints. The filtered content, however, may not be easily obtained with current stereoscopic production pipelines. The proposed method and system takes a stereoscopic video as an input and converts it to multi-view and filtered video streams that may be used to drive multi-view autostereoscopic displays. The method combines a phase-based video magnification and an interperspective antialiasing into a single filtering process. The whole algorithm is simple and may be efficiently implemented on current GPUs to yield real-time performance. Furthermore, the ability to retarget disparity is naturally supported. The method is robust and works transparent materials, and specularities. The method provides superior results when compared to the state-of-the-art depth-based rendering methods. The method is showcased in the context of a real-time 3D videoconferencing system.
US09756312B2 Hardware-oriented dynamically adaptive disparity estimation algorithm and its real-time hardware
A real-time stereo camera disparity estimation device comprises input means arranged to input measured data corresponding to rows of left and right images; a plurality of on-chip memories arranged to buffer the input measured data; a vertical rotator hardware module configured to align the rows of left and right images in a same column; a reconfigurable data allocation hardware module; a reconfigurable computation of metrics hardware module; and an adaptive disparity selection hardware module configured to select disparity values with the minimum matching costs.
US09756309B2 Broadcast receiver and 3D video data processing method
A broadcast receiver and a 3D video data processing method are disclosed. A three dimensional (3D) video data processing method for use in a broadcast receiver includes receiving a broadcast signal including three dimensional (3D) video data, extracting display condition information of the 3D video data from the broadcast signal, and controlling an output of the 3D video data using the extracted display condition information.
US09756308B2 Communication control method and communication system
In a display system, a wireless transmitter receives video data and a CEC command from an AV amplifier, determines whether the received CEC command is a preset command or not, generates a confirmation command if it is determined that the CEC command is a preset command, and transmits the video data and the CEC command received from the AV amplifier and the confirmation command, to a projector. The projector receives the video data, the CEC command and the confirmation command transmitted from the wireless transmitter, and determines whether the received CEC command and confirmation command correspond to each other or not.
US09756304B2 Image-acquisition apparatus for performing distance measurement using parallax
Provided is an image-acquisition apparatus including an image-acquisition lens that collects light coming from a subject A; an image-acquisition device that acquires images with the light collected by the image-acquisition lens; a microlens array that is disposed between the image-acquisition device and the image-acquisition lens; and a distance calculating portion that calculates a distance to the subject by using information obtained by the image-acquisition device. The microlens array has multiple types of microlenses, for different polarization states, that focus light incident thereon to form individual images on an image-acquisition surface of the image-acquisition device and that are arranged in an array in directions orthogonal to an optical axis thereof, and the distance calculating portion calculates the distance by performing matching processing in which each polarization state is weighted according to frequency components of the information obtained by the image-acquisition device.
US09756303B1 Camera-assisted automatic screen fitting
In described examples, solid field patterns are projected onto screens via at least one projector. The screens include user-defined sub-screens. The projected solid field patterns are image captured as imaged solid patterns via at least one camera. For camera perspective planes of the at least one camera, first corner coordinates of the sub-screens are determined, based on differences in pixel values of the imaged solid patterns. Homography matrices are associated with the camera perspective planes and associated with projector perspective planes of the at least one projector. For the projector perspective planes, the first corner coordinates are transformed to second corner coordinates of the sub-screens, based on the homography matrices. Images are projected based on the second corner coordinates.
US09756301B2 Wearable projection equipment
Embodiments of the present disclosure provide a wearable projection equipment, comprising a first structure body and a second structure body which are movably connected to each other, and the first structure body can rotate relative to the second structure body; and a projection device is respectively provided on the first structure and the second structure. The wearable projection equipment is capable of projecting images in different directions respectively, such that application scenarios of the wearable projection equipment become more extensive.
US09756298B2 Color filter array with reference pixel to reduce spectral crosstalk
A color filter array includes a plurality of tiled minimal repeating units, each minimal repeating unit comprising an M×N set of individual filters. Each minimal repeating unit includes a plurality of imaging filters including individual filters having at least first, second, and third photoresponses, and at least one reference filter having a reference photoresponse, wherein the reference filter is positioned among the imaging filters and wherein the reference photoresponse transmits substantially the same percentage of wavelengths that remain unfiltered by filters of a different photoresponse than the incident wavelength. Other embodiments are disclosed and claimed.
US09756296B2 Personalized ambient lighting
According to one aspect, personalized vehicle ambient lighting on a vehicle is provided. Presence information associated with a user is detected. Image color information is captured from an image is taken by a camera such that the user is within the image. Image color information associated with the user is extracted from the image. Red, green, blue (RGB) color values indicative of a color associated with the user are created. A light emitting diode (LED) activation scheme based on the RGB color values associated with the user is generated. Portions of a plurality of RGB LEDs are activated based on the LED activation scheme.
US09756289B2 Unique watermarking for digital media
Systems, methods and computer-readable media for uniquely identifying a digital medium by receiving a request for the digital medium, the request corresponding to a requestor, associating a unique identification with the requestor, encoding the digital medium based on the unique identification to provide a watermarked digital medium, the watermarked digital medium including a watermark that can be used to determine the unique identification, and providing the watermarked digital medium to the requestor.
US09756288B2 Tiering and manipulation of peer's heads in a telepresence system
In a telepresence system, a local station receives images of participants at remote stations processed to isolate the remote participant in the image from image background. The local station merges the images of the participants at the remote stations to generate an output image in which a first remote participant appears to partially overlay another participant. The output image undergoes display at the local station.
US09756286B1 Communication event
An established communication event is conducted between existing participants by transmitting and receiving video streams via a communication network between their user devices. A user interface of a new participant is controlled to operate in a late-to-join mode initially if that participant satisfies a late-to-join condition. In response to expiry of an initial duration, the user interface automatically switches to an active speaker mode instead.
US09756277B2 System for filming a video movie
System for filming a video movie in a real space includes a filming camera, a sensor, a computerized pinpointing module for determining the location of the filming camera, a monitoring screen and a computerized compositing module for generating on the monitoring screen a composite image of the real image and of a projection of a virtual image, generated according to the filming camera location data.
US09756276B2 Display apparatus and method for controlling display apparatus
A display apparatus (projector) includes an evaluating section (image analysis section) that evaluates the type of 3D format in accordance with which an inputted image signal is formatted, an OSD data storage section (OSD memory) that stores OSD data, an OSD data dividing section (OSD processing section) that divides the OSD data stored in the OSD data storage section into columns or rows, a determining section (control unit 20) that determines, based on a result of the evaluation made by the evaluating section, whether to cause the OSD data dividing section to divide the OSD data into columns or rows, and a superimposing section (OSD processing section) that causes the OSD data dividing section to divide the OSD data based on the division determined by the determining section and superimposes the divided OSD data on a 3D formatted image.
US09756275B2 Image display system and image presenting method thereof
The invention provides an image display system and an image presenting method thereof. The image display system includes a display apparatus and an image presenting apparatus. The display apparatus receives an output image signal and generates an image frame. The image presenting apparatus obtains a plurality of input image signals from a plurality of image sources and generates an output image signal. The image presenting apparatus provides the output image signal to a display apparatus. The image presenting apparatus receives a preview request to simultaneously and timely present the input image signals of all the image sources in a preview block of the image frame. Also, the image presenting apparatus further receives a select request to generate the output image signal according to at least one of the input image signals that is selected.
US09756271B2 CMOS image sensor, pixel unit and control method thereof
A CMOS image sensor, a pixel unit and a control method thereof are provided. The pixel unit includes: a photoelectric conversion unit, an isolation transistor, a storage unit and a reading unit, wherein a first terminal of the isolation transistor is connected to the photoelectric conversion unit, a second terminal of the isolation transistor is connected to the storage unit and the reading unit; and wherein the storage unit comprises a first switch unit, a second switch unit, a first storage capacitor, a second storage capacitor and a reset unit, the first switch unit is adapted for controlling the first storage capacitor to be charged or discharged, the second switch unit is connected to the second storage capacitor and is adapted for controlling the second storage capacitor to be charged or discharged. The pixel unit improves signal-to-noise ratio of image signals generated by the pixel unit.
US09756267B2 Image sensor driving apparatus, method and radiation imaging apparatus
An image sensor driving apparatus extracts an image signal from an image sensor including a plurality of photoelectric conversion elements two-dimensionally arrayed, and includes a conversion unit which converts the image signal into digital data by performing offset correction for the image signal. The apparatus obtains digital data corresponding to a first sampling count by causing the conversion unit to process a reference voltage signal in accordance with a synchronization signal which determines an imaging frame rate, and obtains digital data corresponding to a second sampling count by causing the conversion unit to process a reference voltage signal every time extracting an image signal from a photoelectric conversion element group obtained by dividing a plurality of photoelectric conversion elements. The apparatus generates a correction value used for offset correction based on the obtained digital data corresponding to the first and second sampling counts.
US09756266B2 Sensor data rescaler for image signal processing
An input rescale module that performs cross-color correlated downscaling of sensor data in the horizontal and vertical dimensions. The module may perform a first-pass demosaic of sensor data, apply horizontal and vertical scalers to resample and downsize the data in the horizontal and vertical dimensions, and then remosaic the data to provide horizontally and vertically downscaled sensor data as output for additional image processing. The module may, for example, act as a front end scaler for an image signal processor (ISP). The demosaic performed by the module may be a relatively simple demosaic, for example a demosaic function that works on 3×3 blocks of pixels. The front end of module may receive and process sensor data at two pixels per clock (ppc); the horizontal filter component reduces the sensor data down to one ppc for downstream components of the input rescale module and for the ISP pipeline.
US09756265B2 Information processing apparatus recognizing certain object in captured image, and method for controlling the same
An information processing apparatus includes an image obtaining unit configured to obtain an input image, an extraction unit configured to extract from the input image one or more regions corresponding to one or more objects included in a foreground of the operation surface in accordance with the reflected positional information and positional information of the operation surface in the space, a region specifying unit configured to specify an isolation region, which is not in contact with a boundary line which defines a predetermined closed region in the input image, from among the one or more regions extracted by the extraction unit, and a recognition unit configured to recognize an adjacency state of a predetermined instruction object relative to the operation surface in accordance with the positional information reflected from the portion corresponding to the isolation region as specified by the region specifying unit.
US09756262B2 Systems and methods for monitoring power systems
Techniques are disclosed for systems and methods using small form factor infrared imaging modules to monitor aspects of a power system. A system may include one or more infrared imaging modules, a processor, a memory, a display, a communication module, and modules to control components of a power system. Infrared imaging modules may be mounted on, installed in, or otherwise integrated with a power system having one or more power system components. The infrared imaging modules may be configured to capture thermal images of portions of the power system. Various thermal image analytics and profiling may be performed on the captured thermal images to determine the operating conditions and temperatures of portions of the power system. Monitoring information may be generated based on the determined conditions and temperatures and then presented to a user of the power system.
US09756258B2 Image capturing apparatus, image capturing method, and control method for reducing the influence of flicker on still image exposure
There is provided an image capturing apparatus comprising an image capturing unit. A control unit controls the image capturing unit to capture a first image having exposure unevenness caused by flicker in a light source. A detection unit detects a timing at which there is a low change in a light amount caused by the flicker, based on the exposure unevenness in the first image. An accepting unit accepts an image capturing instruction. The control unit controls the image capturing unit to capture a second image at the detected timing in response to the image capturing instruction.
US09756255B2 Information communication method
A method is provided for obtaining information from a transmission device using an image sensor that includes a plurality of exposure lines. The method includes obtaining image data by starting exposure sequentially for the plurality of exposure lines each at a different time, starting exposure of a next exposure line before exposure of one exposure line ends, and imaging for a predetermined exposure time. The method also includes obtaining the information by demodulating data specified by a pattern of bright lines that appear in the image data, the bright lines corresponding to the plurality of exposure lines. The method further includes setting the predetermined exposure time so that a relation of tE>tHT is satisfied, where the predetermined exposure time is tE μs, and a period of high frequency noise of a light source included in the transmission device is tHT μs.
US09756253B2 Imaging device and information acquisition system in which an acquired image and associated information are held on a display
An imaging device includes an imaging portion that images a subject; a positional information acquisition portion that acquires positional information of an imaging position; a control portion which acquires information on the subject based on the positional information, and displays image data of the subject and the information on the subject on a display portion; and a hold control portion that outputs a hold control signal, which holds the image data of the subject and the information on the subject, to the control portion.
US09756252B2 Image device and image-capturing device with timing control circuit for outputting first vertical synchronization signal and second vertical synchronization signal
An image device is adapted to control an image-capturing section and a display section. The image-capturing section captures an image of a subject and generate image-capture data in synchronization with a first vertical synchronization signal. The display section displays an image on the basis of image data in synchronization with a second vertical synchronization signal. The image device includes an image-data-generation section configured to generate the image data on the basis of the image-capture data, and a timing generator configured to output the first vertical synchronization signal and the second vertical synchronization signal. The second vertical synchronization signal is outputted after a predetermined period from a timing at which the first vertical synchronization signal is outputted. The predetermined period is shorter than a period of one cycle of the first vertical synchronization signal and variable. The first vertical synchronization signal and the second vertical synchronization signal are synchronized.
US09756239B2 Image processing device, image pickup apparatus, and image processing method
An image processing device includes a shooting scene determining section that determines a shooting scene, a correlation evaluation value calculating section that calculates correlation evaluation values between a target pixel and surrounding pixels, a weight setting section that sets, when the shooting scene is a low correlation scene, heavy weights to the correlation evaluation value calculated from the surrounding pixels having high correlativities, an isolated-point degree calculating section that subjects the correlation evaluation values to weight addition to calculate an isolated-point degree, and an FPN correcting section that corrects a pixel value of the target pixel according to a magnitude of the isolated-point degree correction.
US09756232B2 Lightweight LED illumination enclosure for concurrent use with lightweight camera module
A lightweight housing with a mount that can be attached to a user, sports equipment, or vehicle contains an illumination assembly but no camera. The illumination assembly may communicate via Bluetooth with a similarly-configured nearby camera module to provide illumination for subjects being imaged by the camera module.
US09756230B2 Mounting and inspection data creation device and mounting and inspection data creation method
A number one camera and number two camera are provided in the top section and lower section of a mounting and inspection data creation device. A number one lighting device and top side shielding plate are provided on the lower side of a lens of number one camera. A number two lighting device and lower side shielding plate are provided on the top side of a lens of number two camera. Component is set on transparent setting plate that is positioned between top side shielding plate and lower side shielding plate, and when imaging the top side (pickup side) of component with number one camera, top side shielding plate is slid out of the imaging area of number one camera. When imaging the bottom side (mounting side) of component with number two camera, lower side shielding plate is slid out of the imaging area of number two camera. Mounting data is created based on component bottom side image taken by number two camera, and inspection data is created based on component top side image taken by number one camera.
US09756229B2 Module device for a camera system, retaining spring device and corresponding camera system
A module device for a camera system having a housing device, which is provided with an inner opening and configured to allow an adjustment of an installation position of the module device in a motor vehicle; it also includes a sensor holder device which has an upper region and a base region, is coupled to the housing device via at least one support element and configured to accommodate an image sensor; a lens apparatus which is coupled to the sensor holder device in the upper region via at least one connection element and configured to generate an optical image on the image sensor; and a retaining spring device which is coupled to the housing device and the base region of the sensor holder device and is configured to press the image sensor against the sensor holder device.
US09756228B2 Low profile camera and vision sensor
A camera configured for a predetermined environment can be made low profile in the following manner. The camera includes an image sensor that has a light sensitive portion that can sense light from the predetermined environment. A substantially opaque mask is disposed above the light sensitive portion of the image sensor and has at least one opening through which the image sensor senses light. The low profile structure of the camera can be realized with substantially transparent material disposed between the substantially opaque mask and the image sensor that has index of refraction that is greater than an index of refraction of the predetermined environment. Accordingly, light through the opening refracts as it passes through the substantially transparent material to the image sensor.
US09756224B2 Apparatus, method and article for a dual-program display
A system for enabling two different users to independently view and listen to two completely different programs on the same display at the same time is provided. A user wears eyeglasses with filters to filter out light from the program which the user does not want to view, while allowing the light from the program the user does want to view to be seen by the user. Successive frames of a first program are displayed using light polarized in one direction in an alternating manner with frames of a second program using light polarized in another direction. A first user wears glasses with lenses configured to filter out the light from the second program while a second user wears glasses to filter out the light from the first program. Thus, while wearing the glasses, the first user can see the first program while watching the display, but not the second program. Simultaneously, while wearing the other glasses, the second user will see the second program, but not the first program.
US09756223B2 System and method to ensure uniform level of color of a distributed print job among multiple printers in a print shop
A server, system, and method are disclosed for ensuring uniform level of color of distributed print jobs, wherein each of the plurality of printers is configured to conduct color validation and/or color calibration based on a first criterion. The server having a processor configured to: receive, from a client computer, a request relating to a print job; determine whether the received print job is a split job, which can be split amongst the plurality of the printers; filter at least two printers each having an in-line spectrophotometer from the plurality of printers; and instruct to the each filtered at least two printers so that color validation and/or color calibration is performed based on a second criterion by using the in-line spectrophotometer, wherein the second criterion causes color validation and/or color calibration at each of the each filtered at least two printers to be performed earlier than the first criterion.
US09756220B2 Image data generating apparatus, printer, image data generating method, and non-transitory computer readable medium for extracting one or more pixels corresponding to a metallic-color region
An image data generating apparatus includes an extracting unit and a generating unit. The extracting unit extracts one or more pixels corresponding to a metallic-color region expressed by a metallic color, by using lightness and saturation of a read image and lightness and saturation of a captured image, the read image being obtained by reading a document having the metallic-color region, the captured image being obtained by capturing an image of the document. The generating unit generates image data in which the one or more pixels corresponding to the metallic-color region and extracted by the extracting unit are colored in the metallic color.
US09756217B2 Image processing apparatus, an image processing method, and a non-transitory storage medium for receiving data from an information processing apparatus and executing processes
An image processing apparatus is provided to receive from an information processing apparatus, a document scan/transmission job for causing the reading unit to read a document to generate image data and transmit the image data to a specified destination, in a case where the document scan/transmission job is received. The image processing apparatus determines whether authentication information of a user of the information processing apparatus and authentication information of a user of the image processing apparatus match each other, in a case where the authentication information of the user of the information processing apparatus and the authentication information of the user of the image processing apparatus match each other, displays a setting screen for receiving a setting regarding execution of the document scan/transmission job, and executes the document scan/transmission job according to an instruction received through the displayed setting screen.
US09756215B2 System for, and method of, controlling target illumination for an imaging reader
An array of pixels of a solid-state imaging sensor having a rolling shutter is sequentially exposed to capture images from an illuminated target over successive frames for image capture by an imaging reader. The target is illuminated at a peak output power level for a fractional time period of a frame, and is not illuminated for at least a portion of a remaining time period of the frame for increased energy efficiency. Only a sub-array of the pixels is exposed during the fractional time period in which the target is being illuminated at the first output power level.
US09756214B2 Image reading apparatus and method for controlling image reading apparatus
The image reading apparatus including a reading unit configured read an image of a document according to a read request transmitted from an external device, includes a detection unit configured to detect a state of the document to be read by the reading unit, a reception unit configured to receive a request from the external device to obtain a state of the image reading apparatus, a power supply unit configured to, in a power saving state where power supply to the reading unit and the detection unit is stopped, supply power to the detection unit based on the reception of the request, and a transmission unit configured to transmit the state of the document to be read by the reading unit detected by the detection unit to which the power is supplied by the power supply unit, to the external device as a response to the request.
US09756213B2 Communication apparatus capable of selecting proper facsimile communication, method of controlling the same, and storage medium
A communication apparatus capable of selecting proper facsimile communication according to a gateway of a connection destination. A communication apparatus that performs facsimile communication via a gateway connected to an IP network establishes a voice session for performing voice communication, with the gateway. When a T.38 session establishment request is received after the voice session has been established, the voice session is changed to the T.38 session to perform facsimile communication using T.38 communication. When the T.38 session establishment request is not received after the voice session has been established, facsimile communication using inband communication is performed by the voice session.
US09756212B2 System and method for producing seesaw gloss effect and recording medium with seesaw gloss effect
A system and method render see-saw scalable gloss effect image patterns on a recording medium by using to two colors to provide one region with a relatively smooth surface, while a second region has a relatively rougher surface. A third region is added composed of a color different than the first two, wherein the third region has a relatively smooth surface where it intersects with the first region and a relatively rougher surface where it intersects with the second region. As the rendered recording medium is tilted at different angles, the image patterns thereon toggle to create a see-saw effect.
US09756208B2 Image reading device and image forming apparatus therewith
An image reading device includes a contact glass, a document transport device, a first reading module, a second reading module, a opposite roller, and roller holders. The opposite roller transports a document while keeping it in close contact with an image reading surface of the second reading module arranged inside the document transport device. The roller holders rotatably support the opposite roller, and on their faces facing the second reading module, a pair of patterns for detection is provided to detect the inclination of the opposite roller. The patterns for detection are each formed to be increasingly wide toward a first end side in the axial direction upstream from an intersection in a central part thereof in the document transport direction, and increasingly wide toward a second end side opposite from the first end side downward from the intersection in the document transport direction.
US09756205B2 Image processing apparatus capable of shifting to power saving mode, control method for the image processing apparatus, and program
An image processing apparatus capable of shifting to a power saving mode. The image processing apparatus includes a storing unit configured to store a document in a storage device, a notification unit configured to periodically notify an apparatus of a predetermined destination of information about a document that has been newly stored by the storing unit into the storage device, and a control unit configured to restrict shifting to a power saving mode in which the notification unit cannot make the notification after storage of a document by the storing unit has been completed and until the notification unit notifies at least information about the document.
US09756204B2 Image reading device for reading image of document, image forming apparatus, and image reading method
A document feed portion of an image reading device is capable of feeding a document placed on a first document placement portion, to a predetermined reading position. A size detection portion detects a size of the document placed on the first document placement portion. A storage processing portion stores size information indicating the size of the document detected by the size detection portion, into a predetermined storage medium. An image reading portion performs a reading process of scanning a read surface of the document placed on a second document placement portion, to read an image. A setting portion sets the size information stored into the storage medium by the storage processing portion, as size information to be used for the reading process by the image reading portion.
US09756201B2 Information processing system, information processing device, and program having different browser functions pertaining to a plurality of web servers
An information processing system includes a first web server and a second web server that communicate with each other via a browser, wherein the first web server includes a first web page generating unit, and a first communicating unit, the second web server includes a second web page generating unit, and a second communicating unit, the first web server allows the browser to execute a first script, in which state the browser functions as a web page acquiring unit, a first data input/output control unit, and a first server communication control unit, the second web server allows the browser to execute a second script, in which state the browser functions as the second data input/output control unit, and a second server communication control unit, and the first web server and the second web server transmit and receive data to and from the opposite server via the browser.
US09756199B2 Adding or updating at least one service of a generic attribute profile
A data communication device includes a communication unit that performs a communication in accordance with a standard of a short-range wireless communication; a storage unit that stores therein, among profiles that conform to the standard of the short-range wireless communication and that define a method of using a protocol, a first profile in which multiple services are settable and in which identification information is related to the services; and an arbitrating unit that, when an application is to be installed, adds or updates a service used by the application with regard to the first profile in accordance with the identification information that is related to the service.
US09756198B1 Coordination of capture and movement of media
A described example system may include a connection engine, a capture engine, and a command engine. In that example, the connection engine wirelessly connects to an imaging device having a media location for placing media; the capture engine captures an image of media at the media location; and the command engine coordinates movement of the media in response to a capture operation or in preparation to perform the capture operation. In another example, an imaging device includes a media tray, a pick, a processor resource, and a memory resource having executable instructions that cause coordination of the pick to, in response to an indication that a sheet of media is captured from a capture device, generate movement of the sheet of media away from the media tray or movement the sheet of media on to the media tray.
US09756195B2 Communication apparatus capable of communicating with external apparatus, control method for communication apparatus, and storage medium
A communication apparatus includes a connection unit that connects to a recording medium on which content data and management information about the content data are recorded, a communication unit that communicates with an external apparatus, and a control unit that, in a case where the communication apparatus has received a request for the management information about the content data from the external apparatus, reads out, in response to the request, the management information about the content data from the recording medium and controls the communication unit to transmit the read-out management information to the external apparatus, and reads out header information recorded in a header region of the content data from the header region and store the read-out header information.
US09756193B2 Image inspecting apparatus and image forming apparatus
A distance between a reference position and a reference image of a sheet is accurately measured without adding a special device even when an attitude of the sheet is not stable. An aspect of the present invention obtains image data by reading a sheet surface formed with the reference image such as a trim mark by a reading portion. A height calculation portion calculates edge-blur amounts of the reference position and the reference image on the sheet surface from the image data. Furthermore, a height calculation portion detects heights from a focus position to the sheet surface for the reference position and the reference image, from the edge-blur amount and a reflected light amount of a white solid portion. Moreover, a distance detection portion calculates a distance between the reference position and the reference image on the sheet surface, on the basis of a detection result.
US09756190B2 Systems and methods for setting up internet protocol communications
A proxy server of an Internet protocol (IP) telephony system determines when a call setup message generated by a first of the IP telephony system's customers is directed to a second of the IP telephony system's customers. When that occurs, the call setup message is forwarded directly to a call cluster operated by the IP telephony system and that services the second customer. As a result, the call is handled internally by the IP telephony system, and there is no need to involve a second telephony system in conducting the requested call. The proxy server may also insert information into the call setup messaging to flag the call as an internal call between two customers of the IP telephony system.
US09756183B2 System and method for prompt modification based on caller hang ups in IVRs
In a method for use in Interactive Voice Response (IVR) systems, an IVR is configured such that voice prompts provided to a caller vary systematically and caller hang-up activity is attributed to the particular version of a prompt played to the caller. Voice prompt modifications are chosen based on how long the caller willingly listens to the voice prompt. A relatively short time listening to a prompt before hang-up, indicates dissatisfaction with that prompt. The system compares caller hang-up rates for each of the phrases in a prompt and chooses the optimum solution, which is the variant of the prompt with the longest caller listening time. Optionally, the system compares hang up rates to a threshold and contingent on that comparison chooses an alternative version of the prompt.
US09756181B2 Phone number identification systems and methods
A system for initiating phone calls includes a database including records related to one or more second users, each of the second users being associated with an identifier and a phone number, a phone including a controller in communication with the database, and a memory in communication with the controller. The memory including program instructions executable by the controller that, when executed by the controller, cause the controller to provide a user interface that receives a phone call request from a first user, wherein the phone call request includes the identifier associated with a one of the second users and does not include the phone number associated with the one of the second users, and, in response to receiving the phone call request, initiating the phone call over a telephone network from the phone to the phone number associated with the one of the second users.
US09756175B2 Standard mobile communication device distraction prevention and safety protocols
Methods and systems for providing standardized mobile device distraction prevention and safety protocols are disclosed. In particular, an embodiment of a method for activating a distraction prevention or safety protocol behavior in a mobile device when the mobile device satisfies a specific condition is disclosed. The method includes discovering one or more protocol activators configured to transmit discovery information associated with a specific condition. The method further includes activating distraction prevention safety protocol behavior in the mobile device based at least in part on the discovery information. In an implementation, the specific condition may be a specified environment itself and or include an event when the mobile device enters a specified environment or a specified sequence of numbers is dialed from the mobile device.
US09756174B2 Method of operating a motor vehicle, and motor vehicle
The invention relates to a method for operating a motor vehicle which has a communications device, a navigation system, and an analysis unit, the method comprising the steps of: specifying, by means of the analysis unit, at least one position at which a demanding driving situation for the driver of the motor vehicle is expected; ascertaining, by means of the analysis unit, the distance of the motor vehicle from the specified position; assessing, by means of the analysis unit, whether the ascertained distance is shorter than a first predetermined distance if the motor vehicle is approaching the specified position and/or whether the ascertained distance is shorter than a second predetermined distance if the motor vehicle is moving away from the specified position; and preventing, by means of the communication device, communication via the communication device if the ascertained distance is shorter than either the first or the second distance.
US09756170B2 Keyword based message handling
An apparatus comprising a controller, wherein said controller is configured to display a message text, receive an input indicating a keyword; determine an associated operation and to generate a response message according to the associated operation.
US09756169B2 Method and system for situational awareness for emergency response
Disclosed are systems and methods for sending emergency alerts. In some embodiments, sensors and wearable devices may trigger and send the emergency alerts and/or warning signals via available communication devices. Multi-media emergency alerts are also disclosed that include situational awareness information for effective and efficient emergency response.
US09756167B2 Mobile information processing apparatus
A mobile information communication apparatus includes a data processing device for sending plotting command/data to a display control device that controls the pixels of a display panel belonging to the mobile information communication apparatus. An interface device is provided which receives the plotting command/data generated by the data processing device and sends, based on plotting command/data, an external display signal to the external display device. The data processing device and the interface device are configured to send, from the interface device, a higher-resolution external display signal.
US09756161B2 Voice recognition apparatus, vehicle having the same, and method of controlling the vehicle
A voice recognition apparatus including: a context model created by modeling recognition target context; and a voice recognizer configured to create a candidate group corresponding to a received voice signal based on an acoustic model and the context model, and to apply a high reliability weight value to a candidate having a length of syllables corresponding to a length of speech.
US09756159B2 Handphone
A handphone is configured to receive a first audio signal of a telecommunication conversation from a telecommunication device and send a second audio signal of the telecommunication conversation to the telecommunication device. A modulated ultrasound frequency audio signal that is directional is created from the first audio signal of the telecommunication conversation. The modulated ultrasound frequency audio signal is output via a loudspeaker. A direction of the modulated ultrasound frequency audio signal is controlled by a physical object and a location of the loudspeaker.
US09756155B2 Housing wall
A housing wall for a data communications device includes a metallic and electrically conductive main body. A slotted area having a number of slots is provided in a region of the housing wall, in such a way that in a region of the slotted area the housing wall is permeable to magnetic fields for inductively coupling-in signals for wireless communication.
US09756154B1 High throughput packet state processing
A system for processing data includes a filtering module having a plurality of processing units, a state accumulator, and a merging network coupled to the processing units and the state accumulator. Each processing unit is configured to output a set of two sub-state vectors and a packet continuance indicator. The state accumulator is configured to store a state resulted from previous processing cycles by the processing units. The merging network is configured to output a master state vector based at least in part on the set of two sub-state vectors, the stored state, and the packet continuance indicators output from the processing units.
US09756148B2 Dynamic host configuration protocol release on behalf of a user
The present disclosure discloses a method and a network device for performing DHCP release on behalf of a user in dynamic network environments. Specifically, a network device determines that a client device is no longer using a first Internet Protocol (IP) address assigned to the client device. In response to the determining that the client device is no longer using the first IP address, the network device then generates a Dynamic Host Configuration Protocol (DHCP) release message on behalf of the client device for removing the assignment of the first IP address to the client device. Moreover, the network device transmits the DHCP release message to a DHCP server.
US09756132B2 Vehicle communication system
A communication system for facilitating control over a function of a vehicle (102) comprises a base station (104) positioned in the vehicle (102) and a mobile communication unit (122). The base station (104) comprises a first transmitter for transmitting a signal to the mobile communication unit (122) and a first receiver for receiving a signal from the mobile communication unit (122). The base station (104) is further configured to cause the mobile communication unit (122) to operate in accordance with a limited-response duty cycle.
US09756130B2 Method of and apparatus for reconfiguring protocol used by application program
A method of reconfiguring a protocol used by an application program includes determining an optimal protocol used by the application program and an optimal value of an operating parameter of the optimal protocol based on requirement information of the application program and system information obtained from a protocol layer; and when a current protocol used by the application program is not the optimal protocol, reconfiguring the current protocol used by the application program to the optimal protocol using at least one component module missing from the current protocol used by the application program and at least component module of the current protocol used by the application program, and setting a value of the operating parameter of the optimal protocol to the optimal value of the operating parameter of the optimal protocol.
US09756128B2 Switched direct attached shared storage architecture
Various embodiments for implementing a switched direct attached shared storage architecture as disclosed herein include: providing a plurality of compute nodes, each compute node having integrated compute capabilities, data storage, and a network interface controller (Host NIC), the plurality of compute nodes being in data communication with each other via a local area network, the plurality of compute nodes each including distributed storage processing software resident thereon; providing a plurality of physical data storage devices in data communication with a storage controller; and enabling data communications in a data store switch fabric between the plurality of compute nodes and the plurality of physical data storage devices via the Host NIC and the storage controller, the data store switch fabric encapsulating data requests from the plurality of compute nodes into data frames for transport to corresponding physical data storage devices.
US09756124B1 Content delivery network referral
In general, techniques are described for managing content request referrals by keying content requests to a composite key data structure that maps end-user address prefixes and content identifiers to content delivery network servers of downstream CDNs. In one example, a CDN exchange includes a communication module to receive first network prefixes and first content identifiers from a first secondary content delivery network and to receive second network prefixes and second content identifiers from a second secondary content delivery network. A request router of the CDN exchange redirects the content request to the first secondary content delivery network or to the second secondary content delivery network according to a network address of the end user device and a content identifier for the content request.
US09756122B2 Using hierarchical reservoir sampling to compute percentiles at scale
In one embodiment, in a hierarchy of nodes, a master node having two or more child nodes obtains from the two or more child nodes two or more sets of data samples or summaries associated therewith, the two or more sets of data samples being representative of traffic processed via two or more sets of servers corresponding to the two or more child nodes, wherein a size of each of the two or more sets of data samples is proportional to an allocation of traffic among the two or more sets of servers corresponding to the two or more child nodes. Each of the two or more sets of data samples is obtained from a different one of the two or more child nodes and represents traffic processed by a corresponding one of the two or more sets of servers. The master node combines the two or more sets of data samples or summaries associated therewith such that a combined set of data is generated. The master node ascertains a numerical value from the combined set of data.
US09756121B2 Optimizing routing and load balancing in an SDN-enabled cloud during enterprise data center migration
Network routing and load balancing in a software design network (SDN)-enabled computing environment may be provided. Input data discovered from a source computing environment is received, wherein one or more of components of the source computing environment are to be migrated to a target computing environment, the input data comprising at least source configuration information and utilization information. Target compute resources, network design and system management design may be determined based on the input data, and a new network configuration generated as output. Based on these design decisions, the steady-state network management using SDN is proposed. The new network configuration may be transmitted to an SDN controller associated with the target computing environment for storing as flow table rules. The SDN controller pushes the flow table rules to one or more routing switches, the flow table rules for performing the network routing and the load balancing.
US09756117B2 Retrieval of a file from multiple storage nodes
A method, and associated system and computer program product, for retrieving a file from a distribution of storage nodes. A client computer sends a request for a file to a proxy layer and in response, the proxy layer generates a script for obtaining the requested file and sends the script to the client computer. The client computer executes the script, resulting in portions of the requested file being obtained from respective storage nodes in a storage layer. The portions of the requested file are concatenated to form the requested file.
US09756115B2 System and method of secure file sharing using P2P
A method is provided for sharing a file between a sender mobile device and a recipient mobile device. Nearby mobile devices to the sender mobile device are detected through a detection application. A recipient mobile device is selected from among the nearby mobile devices. A message is sent to the recipient mobile device including a link representing a file to be shared with the recipient mobile device. This link is actuatable on the recipient mobile device to request permission from a permission server. Upon permission being granted, the file is permitted to be downloaded to the recipient mobile device from a file server. The sender mobile device receives a confirmation once the recipient mobile device has received the file. P2P networks are preferably used for the detection and initial messaging. A method of accessing a shared file is also provided.
US09756114B2 Asynchronous response processing in a web based request-response computing system
Embodiments of the present invention address deficiencies of the art in respect to asynchronous web based request-response handling and provide a method, system and computer program product for asynchronous response handling in a web based request-response computing system. In an embodiment of the invention, a method for asynchronous response handling in a web based request-response computing system can be provided. The method can include inserting an address of an intermediate response server in a request, transmitting the request to a target processing server separate from the intermediate response server, and polling the intermediate response server for a response.
US09756113B2 Method and apparatus of performing remote command dispatching
Disclosed are an apparatus and methods of remotely managing a managed machine over a communication network. One example method of operation may include identifying the managed machine operating in a communication network and transmitting a connection establishment message to the managed machine over the communication network. In response, an acceptance message may be received from the manage machine. Once a secure channel has been established, the administrator may begin transmitting a command prompt command over the communication network to be executed on the managed machine. The management operations may be performed from a browser-based application.
US09756112B2 Method and system for managing service quality according to network status predictions
Aspects of the subject disclosure may include, for example, obtaining predicted available bandwidths for an end user device, monitoring buffer occupancy of a buffer of the end user device, determining bit rates for portions of media content according to the predicted available bandwidths and according to the buffer occupancy, and adjusting bit rates for portions of media content according to the predicted available bandwidths and according to the buffer occupancy during streaming of the media content to the end user device over a wireless network. Other embodiments are disclosed.
US09756107B2 Method and systems for optimizing bandwidth utilization in a multi-participant full mesh peer-to-peer video session
An endpoint optimizes bandwidth by initiating a peer-to-peer conference with a plurality of remote devices, generating a first quality list comprising a first device of the plurality of remote devices from which to receive a first data stream at a first quality level, transmit a request to the first device to receive the first data stream at the first quality level, determining that a second device of the plurality of remote devices is not a member of the first quality list, and in response to determining that the second device of the plurality of remote devices is not a member of the first quality list, transmitting a request to the second device to receive a second data stream at a second quality level.
US09756106B2 Methods and systems for estimating quality of experience (QoE) parameters of secured transactions
An apparatus is provided for estimating one or more quality of experience (QoE) parameters associated with a specific terminal. The apparatus includes a traffic processor configured to acquire a plurality of transactions for providing multimedia content to a specific terminal. At least one of such transactions is a secured transaction. The apparatus further includes a QoE parameter estimator configured to detect a quality level variation event based on the transactions and the sizes of the transactions, and to estimate one or more QoE parameters based on the detection of the quality level variation event.
US09756105B2 Method and arrangement for controlling sessions in a communication network
A method and an apparatus in a multimedia network node (312), for providing a relevant service level for a first subscriber (A) in a multimedia session with a second subscriber (B). A service level policy has been defined for each subscriber. A session negotiation message (3:1) sent by the first subscriber is first obtained. A required service level of the first subscriber is then detected from a service level parameter that the first subscriber has added to the negotiation message. The policy is updated (3:2a) for the second subscriber if the required service level cannot be allowed in the first subscriber's receive direction according to the original policy of the second subscriber, to allow that network resources are reserved (3:3) for the session such that the first subscriber will receive media (3:4) with the required service level.
US09756104B2 Support for a new insert stream (ISTREAM) operation in complex event processing (CEP)
One embodiment of the invention includes a method of processing streaming data. The method includes initializing a stream of data and setting a time interval to apply to the stream of data. The time interval comprises a window for analyzing the data within the stream of data. The method further includes identifying one or more columns within the stream of data, designating one or more of the columns to be monitored for differences within the data over the time interval, and monitoring the designated columns over the time interval. Further, the method includes determining that at least one value from at least one of the designated columns has changed and in response to at least one value changing, outputting the changed values from the designated columns.
US09756101B2 Transition points in an image sequence
Techniques are proposed for embedding transition points in media content. A transition point system retrieves a time marker associated with a point of interest in the media content. The transition point system identifies a first position within the media content corresponding to the point of interest. The transition point system embeds data associated with the time marker into the media content at a second position that is no later in time than the first position. The transition point system causes a client media player to transition from a first image quality level to a second quality level based on the time marker.
US09756098B2 Multi-tenant over-the-top multicast
Some embodiments provide a multi-tenant over-the-top multicast solution that integrates the per user stream customizability of unicast with the large scale streaming efficiencies of multicast. The solution involves an application, different multicast groups streaming an event with different customizations, and a manifest file or metadata identifying the different groups and customizations. The solution leverages the different multicast groups in order to provide different time shifts in the event stream, different quality level encodings of the event stream, and different secondary content to be included with a primary content stream. The application configured with the manifest file or metadata dynamically switches between the groups in order to customize the experience for a user or user device on which the application executes. Switching from multicast to unicast is also supported to supplement available customizations and for failover.
US09756091B1 Providing selectable content items in communications
Implementations relate to providing selectable content items in communications. In some implementations, a method includes determining that a user is or will be participating in a communication using a device, the communication including an exchange of information with one or more other users. The method determines a set of one or more content items to be presented on the device for selection by the user, the content items derived from stored content and being related to activity performed by the user using the device or one or more other devices, and where the activity is external to the communication. The method causes a presentation of the set of content items with the device for selection by the user, and causes at least one content item selected by the user to be sent in the communication to at least one of the other users.
US09756089B2 Maintain persistent connections between servers and mobile clients
In one embodiment, a method includes iteratively waiting for a time interval; sending a keep-alive message from a first computing device to a second computing device; and incrementing a current value of the time interval when the first computing device receives from the second computing device a response to a current keep-alive message sent during the current iteration, until the first computing device does not receive from the second computing device any responses to the current keep-alive message sent during the current iteration; and setting the current value of the time interval to a previous value of the time interval from an immediately-previous iteration.
US09756084B2 Communication system architecture
Disclosed is a communication system for effecting communication events between endpoints connected via a communication network. The communication system comprises a plurality of processing units, each having access to computer storage holding executable code modules for managing a communication event. The code modules are configured to implement a media modality controller configured to manage media modality of an established communication event and a call controller configured to establish the communication event. The communication system further comprises a resource allocator configured to allocate physical resources of the processing units and computer storage to each of the call controller and the media modality controller. A grant of physical resources to the call controller is independent and different from a grant of physical resources to the media modality controller.
US09756079B2 System and method for providing network and computer firewall protection with dynamic address isolation to a device
A computer performs dynamic address isolation. The computer comprises an application associated with an application address, a network interface coupled to receive incoming data packets from and transmit outgoing data packets to an external network, a network address translation engine configured to translate between the application address and a public address, and a driver for automatically forwarding the outgoing data packets to the network address translation engine to translate the application address to the public address, and for automatically forwarding the incoming data packets to the network address translation engine to translate the public address to the application address. The computer may communicate with a firewall configured to handle both network-level security and application-level security.
US09756076B2 Dynamically reacting policies and protections for securing mobile financial transactions
A secure mobile financial transaction is provided by receiving a list of protection methods from an external terminal over a communication network. A matrix of protection methods corresponding to the external terminal is created based on the identified protection methods. Security-related information is received from one or more trust mediator agents over the communication network. Rules corresponding to the received security related information are retrieved, and at least one protection method is selected from the matrix of protection methods based on the retrieved rules. The selected protection method is transmitted to the trust mediator agents for implementation.
US09756073B2 Identifying phishing communications using templates
Methods, apparatus, systems, and computer-readable media are provided for determining whether communications are attempts at phishing. In various implementations, a potentially-deceptive communication may be matched to one or more templates of a plurality of templates. Each template may represent content shared among a cluster of communications sent by a legitimate entity. In various implementations, it may be determined that an address associated with the communication is not affiliated with one or more legitimate entities associated with the one or more matched templates. In various implementations, the communication may be classified as a phishing attempt based on the determining.
US09756070B1 Scanning machine images to identify potential risks
Technologies are described herein for scanning machine images using a scanning service to identify potential risks. The scanning service may be associated with a service provider network. A scan request is received at the scanning service that requests machine images to be scanned. One or more scans may be performed on each of the machine images. An execution environment may host a machine image during a scan of the machine image. Scan result data associated with the scans is stored. The scan result data may be used to provide scan results to the requestor.
US09756066B2 Secure behavior analysis over trusted execution environment
Systems and methods for recognizing and reacting to malicious or performance-degrading behaviors in a mobile computing device include observing mobile device behaviors in an observer module within a privileged-normal portion of a secure operating environment to identify a suspicious mobile device behavior. The observer module may generate a behavior vector based on the observations, and provide the vector to an analyzer module in an unprivileged-secure portion of the secure operating environment. The vector may be analyzed in the unprivileged-secure portion to determine whether the mobile device behavior is benign, suspicious, malicious, or performance-degrading. If the behavior is found to be suspicious, operations of the observer module may be adjusted, such as to perform deeper observations. If the behavior is found to be malicious or performance-degrading behavior the user and/or a client module may be alerted in a secure, tamper-proof manner.
US09756060B2 Security management in a networked computing environment
An approach for addressing (e.g., preventing) detected network intrusions in a virtualized/networked (e.g., cloud) computing environment is provided. In a typical embodiment, users may group components/systems of an environment/domain according to a range of security sensitivity levels/classifications. The users may further configure rules for responding to security threats for each security sensitivity level/classification. For example, if a “highly dangerous” security threat is detected in or near a network segment that contains highly sensitive systems, the user may configure rules that will automatically isolate those systems that fall under the high security classification. Such an approach allows for more granular optimization and/or management of system security/intrusion prevention that may be managed at a system level rather than at a domain level.
US09756052B2 Method and apparatus for dual stack access
The present invention discloses a method of dual stack access, wherein a network device authenticates the first protocol address of a requesting client, stores the user name, first protocol address, and address status information of the client in the user information table if the authentication succeeds, assigns a second protocol address to the client, stores this second protocol address and address status information in the user information table, generates control rules for the client according to its user information, and controls dual stack access of the client according to the rules. This invention provides effective authentication-based access control of dual stack users.
US09756050B1 Using transient processing containers for security authorization
Authorization decisions can be made in a resource environment using authorization functions which can be provided by customers, third parties, or other such entities. The functions can be implemented using virtual machine instances with one or more transient compute containers. This compute capacity can be preconfigured with certain software and provided using existing compute capacity assigned to a customer, or capacity invoked from a warming pool, to execute the appropriate authorization function. The authorization function can be a lambda function that takes in context and generates the appropriate security functionality inline. The utilization of ephemeral compute capacity enables the functionality to be provided on demand, without requiring explicit naming or identification, and can enable cause state information to be maintained for a customer.
US09756048B2 System and methods for executing encrypted managed programs
The present disclosure relates to systems and methods for enabling execution of encrypted managed programs in common managed execution environments. In particular the disclosure relates to method of loading and associating an extension module to the managed execution environment configured to receive execution event notifications. The events corresponding to the execution of encrypted methods are intercepted and passed on to a decryption module operable to execute within an hypervisor environment, such that the managed encrypted program is decrypted, executed in a secured location, preventing access of untrusted party. The decryption module is further configured to discard decrypted instruction if cooperation of the extension module is required, or upon program termination.
US09756037B2 Layered certification
A certification provenance tree (CPT) structure may provide information concerning a layered certification of a device that comprises a hierarchy of components. The CPT structure may include a hierarchy of secure certification provenance document (SCPD) structures. Each SCPD structure in the hierarchy may represent a given component at a given level of the hierarchy of components of the device. Each SCPD structure may include a field that stores a certification proof indicating that security properties of the given component have been certified by a certification authority. An SCPD structure may further include accreditation information fields that store a pointer to an SCPD structure of a component at a next layer of the hierarchy of components of the device. The pointer may provide an indication of assurance that the component at that next layer will perform securely within this component at said given layer.
US09756033B2 Information recording apparatus with shadow boot program for authentication with a server
An information recording apparatus has a drive unit to record digital information including digital contents; and a host unit to control reading and writing of the digital information for the drive unit. The host unit has a network processing unit to communicate with a server, a shadow determination unit to determine whether a shadow boot program to be executed prior to a boot program is executable, a shadow reading unit to read the shadow program from the drive unit when the shadow determination unit determines to be executable, a shadow execution unit to execute the shadow program, a server authentication unit to perform authentication with the server in accordance with a processing of the shadow program, and a password transmitter to transmit to the drive unit a password used for unlock of the drive unit when the authentication with the server is successful.
US09756030B2 Secure cloud based multi-tier provisioning
Systems, methods, and other embodiments associated with secure cloud based multi-tier provisioning are described. In one embodiment, a method includes storing, in server-side computer storage medium, an activation key for a networked device and a set of configuration parameter values associated with an application to be run by the networked device. The method includes managing access to the computer storage medium such that access to the activation key and the configuration parameter values by unauthorized entities is prevented. Upon receiving the activation key from an authorized installation entity, the method includes identifying a configuration for the networked device comprising the set of configuration parameter values. A network connection is made with the networked device and the configuration is transmitted to the networked device, such that the configuration is not provided to the authorized installation entity.
US09756028B2 Methods, systems and computer program products for secure access to information
Methods for secure communications are provided. The methods include creating a safe user account on a secure access system, wherein creating an account includes provision of at least one strong authenticator to be associated with a user of the secure access system; providing a unique login and the at least one strong authenticator associated with the user to the secure access system to gain access to information associated with a referring organization, the referring organization being registered with the secure access system; and accessing the information associated with the referring organization based on the unique login and the at least one strong authenticator provided to the secure access system. Related systems and computer program products are also provided.
US09756025B2 System and method for secured content delivery
A content delivery platform is provided that includes generating a first content package of content that is encrypted with a unique symmetric key, and a second content package including a link encrypted with the key to the first content package. The first content package is stored in a repository, and a request including the key is transmitted to a first computing device associated with a mail exchange for an encryption key file. An encryption key file is generated using the unique symmetric key and together with a authorizing token is received. A third content package is generated that is encrypted using the encryption key file and includes the encrypted link. The third content package is transmitted to a distributor gateway and the encrypted link is accessible in response to the consumer decrypting the third content package. The link is available to provide to access to the content for the consumer.
US09756022B2 Enhanced remote key management for an enterprise in a cloud-based environment
Systems and methods are disclosed for facilitating remote key management services in a collaborative cloud-based environment. In one embodiment, the remote key management architecture and techniques described herein provide for local key encryption and automatic generation of a reason code associated with content access. The reason code is logged by a hardware security module which is monitored by a remote client device (e.g., an enterprise client) to control a second (remote) layer of key encryption. The remote client device provides client-side control and configurability of the second layer of key encryption.
US09756019B2 DNS-based captive portal with integrated transparent proxy to protect against user device caching incorrect IP address
A captive portal system includes a login database, a web server, and a name server. The name server receives a DNS request from a user device, queries the login database to determine whether the user device is logged in, and responds to the DNS request with the IP address of the web server as a resolved IP address of the specified domain name when the user device is not logged in. The web server accepts a connection request from the user device to the IP address of the web server, receives an HTTP request specifying a non-local target URL from the user device, queries the login database to determine whether the user device is logged in according to the source address of the user device, and acts as a transparent proxy between the user device and the non-local target URL when the user device is logged in.
US09756017B2 Data leak protection in upper layer protocols
Methods and systems for Data Leak Prevention (DLP) in a private network are provided. According to one embodiment, a packet is received by a network security device. An upper layer protocol associated with the packet is identified. It is determined whether the identified upper layer protocol is one of multiple candidate upper layer protocols having a potential to carry sensitive information with reference to a database identifying the candidate upper layer protocols, corresponding commands of interest and a corresponding suspect field within each of the commands that is to be subjected to DLP scanning. Responsive to an affirmative determination and when a command represented by the packet is one of the corresponding commands of interest for the identified upper layer protocol, then a DLP scan is performed on content contained within the corresponding suspect field of the packet. Otherwise, performance of the DLP scan for the received packet is skipped.
US09756016B2 Security services for end users that utilize service chaining
Embodiments described herein provide security for end users of User Equipment (UE) that utilize service chaining for Service Data Flows (SDFs). One embodiment comprises a Policy and Charging Rules Function (PCRF) that determines that a service chain is enabled for a SDF requested by an end user of a UE. The PCRF identifies a service function implemented in the service chain that processes the SDF based on a generic security policy, and identifies a security rule for the end user for filtering the SDF by the service function. The PCRF provides the security rule to the service function for filtering the SDF within the service chain.
US09756015B2 Creating network isolation between virtual machines
A method, system, and program product for creating network isolation between virtual machines is provided, including receiving, by a security virtual machine (SVM), an outgoing network packet from a virtual machine (VM). The source internet protocol (IP) address and a source media access control (MAC) address is extracted from the outgoing network packet. A zone identifier table is searched for a zone id, whereby the zone identifier table includes the source IP address and the source MAC address. The outgoing network packet is sent to a physical Ethernet adapter connected to an external network switch whereby the external network switch is connected to an external network, based on the zone id not being found in the zone identifier table. The outgoing network packet is sent to a physical Ethernet adapter that is connected to an internal switch, based on the zone id being found in the zone identifier table.
US09756014B2 System and method for responding to aggressive behavior associated with wireless devices
An embodiment of the invention describes a wireless device comprising a Subscriber Identity Module (SIM) further comprising a memory for storing program code for performing a plurality of operations, and a processor for processing the program code to execute the plurality of operations, the operations including receiving over-the-air instructions via a wireless network from a control center to create a rules set in the SIM, wherein the rules set defines an acceptable behavior of the wireless device, monitoring requests from a wireless modem of the wireless device for access files stored in the SIM, detecting an aggressive behavior of the wireless device based on the rules set, and blocking the wireless modem from generating traffic in the wireless network.
US09756013B2 Distributed mapping of address and port (MAP) between a provider edge device and customer premise equipment devices
In one embodiment, a provider edge (PE) device in a computer network determines an IPv4 address and link-layer address for each adjacent customer premise equipment (CPE) device, and assigns each CPE device a unique IPv6 address. The PE device stores a key-pair mapping between the unique IPv6 address and combined IPv4 and link-layer address for each adjacent CPE, the mapping bound by a CPE session context, and uses the CPE session context to convert between IPv4 and IPv6 for all network traffic to and from a particular CPE device.
US09756009B2 Message forwarding among disparate communication networks
A method and system for forwarding information to a device in a communication network are disclosed. According to one aspect, a method includes selecting a serving node to which to send a request. The selected serving node is one of plurality of serving nodes, each of the plurality of serving nodes supporting a different access technology. The request is to transmit one of a short messaging service, SMS, message and trigger information. The request includes a list of the plurality of nodes. The method further includes sending the request to the selected serving node via a translation interface associated with the selected serving node. The translation interface is adapted to use a protocol that corresponds to the access technology of the selected serving node. If the selected serving node cannot reach the device, the request is forwarded to another serving node in the list of serving nodes in the request.
US09756004B2 Message delivery system and method
In one embodiment, a method of delivering messages to a user of a user terminal executing a communication client and connected to a packet-based communication network, includes receiving a message at the communication client from the communication network, the message comprising a content portion and a control portion, wherein the content portion comprises information intended for display to the user of the user terminal, and storing the message in a data store at the user terminal. The communication client reads the control portion of the message and extracts data defining a trigger event and a condition. The communication client is monitored to determine whether the communication client state corresponds to the trigger event. Responsive to the communication client state corresponding to the trigger event, the communication client determines whether the condition is met. In the case that the condition is met, the content portion of the message is displayed in the communication client.
US09755997B2 Efficient peer-to-peer communication support in SoC fabrics
Methods and apparatus for efficient peer-to-peer communication support in interconnect fabrics. Network interfaces associated with agents are implemented to facilitate peer-to-peer transactions between agents in a manner that ensures data accesses correspond to the most recent update for each agent. This is implemented, in part, via use of non-posted “dummy writes” that are sent from an agent when the destination between write transactions originating from the agent changes. The dummy writes ensure that data corresponding to previous writes reach their destination prior to subsequent write and read transactions, thus ordering the peer-to-peer transactions without requiring the use of a centralized transaction ordering entity.
US09755996B2 Messaging in attention critical environments
A method, executed by one or more processors, includes receiving a message that is addressed to a user, determining, via one or more sensors, whether the user is occupied with an attention critical situation, and conducting a user-directed response process responsive to determining that the user is not occupied with an attention critical situation. In some embodiments, the user-directed response process includes conducting a text substitution process on the message, presenting an abbreviated version of the message and a list of response options to the user, determining a response option that is selected by the user, and sending a response to the message that corresponds to the response option that is selected by the user. In some embodiments, the list of response options includes a plurality of message-dependent formulated responses, a null response, and a spoken response. A corresponding apparatus and computer program product are also disclosed herein.
US09755993B2 Joint quality management across multiple streams
Various implementations disclosed herein enable a more efficient allocation of one or more shared network resources amongst a plurality of client devices based on media content complexity and client device resource status in order to better manage perceptual playback quality. In some implementations, a method includes obtaining a plurality of resource constraint values associated with a plurality of client devices sharing a network resource, and jointly determining a respective encoding rate level selection and a corresponding resource allocation for each of the plurality of client devices based on a combination of one or more resource constraint values and the assessment of the respective perceptual quality level values, such that a combination of resulting quality levels satisfies a joint quality criterion.
US09755989B2 Resource-aware system, method and program product for managing request traffic based on a management policy
Under the present invention, the performance of a set of system resources is monitored in response to incoming request traffic. When a system resource is approaching an overload condition, a corrective action is identified and implemented. Overload thresholds for each system resource and appropriate corrective actions are contained within a management policy. Based on a performance history of the corrective actions, the management policy can be changed/revised.
US09755982B2 Method and apparatus for checking data frame length
A method and apparatus for checking a data frame length relate to an Ethernet passive optical network in the communication field. The method includes: during reception of an Ethernet frame, when determining through analysis that a received Ethernet frame is a data frame, extracting frame length information and frame indication information in the data frame, and calculating a frame length mantissa according to the frame length information; writing the data frame into a small cache for storage according to the frame indication information, and counting write enable signals used for controlling writing of a data frame by using a base-N counter, so as to obtain a count value of the write enable signal; and comparing the frame length mantissa with the count value, and if a comparison result is consistent, then a data frame length being successfully checked, and writing the frame length information into the small cache for storage.
US09755981B2 Snooping forwarded packets by a virtual machine
A method for performing LRO aggregation on packets being forwarded by a VM is provided. The method segments the LRO aggregated packet according to the Maximum Segment Size (MSS) of the TCP protocol before forwarding the segmented packets to their destination. The method snoops the packets being forwarded for its MSS parameter before using the snooped MSS parameter to perform Transmit Segmentation Offload (TSO) operation. The PNIC performs both the aggregation operation (LRO) and the segmentation (TSO) within its own hardware without consuming CPU cycles at the host machine. The PNIC receives the MSS parameter from the network stack as a metadata that accompanies a LRO aggregated packet.
US09755979B2 Enhancing capacity of a direct communication link
Capacity enhancement of a direct communication link using a variable redundancy delivery network. An estimated information rate between a source node and a terminal node may be partitioned into a first information rate provided via the direct communication link and a second information rate to be provided via the variable redundancy delivery network. One or more parameters of the variable redundancy delivery network may be calculated to provide the second information rate based on a non-uniform probability density of messages requested by the terminal node. Capacity and reliability of storage media devices in the variable redundancy delivery network may be traded off to provide the second information rate. The variable redundancy delivery network may implement various coding schemes and per-message coding rates that may be determined based on the non-uniform probability distribution of the source message library.
US09755976B2 Method and apparatus for remote vehicle screen operation
A method of remotely controlling a graphic display unit. Requesting, by a host system, assistance of a remote system relating to a respective application, host system including at least one host graphic display unit displaying operational graphics relating to a dedicated application of the host system. The at least one host graphic display unit of the host system is accessed by the remote system. Graphical application data relating to the respective application display is transmitted from the remote system to the host system. Instructional graphic information is projected on the at least one host graphics display unit. Remotely controlling, by the remote system, the at least one host vehicle graphic display unit by displaying to a user of the host system instructional information relating to the respective application. An adaptive session protocol controls a speed in which data is transmitted from the remote system to the host system.
US09755971B2 Traffic flow redirection between border routers using routing encapsulation
In response to receiving one or more packets from an interface, an anchoring border router classifies the traffic flow and either transmits the packets based upon the routing control table as usual, or determines that the packets of the traffic flow are to be forwarded to a forwarding border router. Upon determining that the packets are to be forwarded, the packets are encapsulated with a routing encapsulation key corresponding to a routing path and are forwarded from the anchoring border router to the forwarding border router via a routing encapsulation tunnel. When a forwarding border router receives the redirected packets over the routing encapsulation tunnel, the forwarding border router removes the routing encapsulation key from the packets of the traffic flow and transmits the packets via a routing path corresponding to the routing encapsulation key.
US09755969B2 Route tracing in software defined networks
Mechanisms are provided for tracing a route taken by a packet in a Software Defined Network (SDN). Each switch in the SDN is assigned a first color label, from a set of color labels, such that such that adjacent switches have different color labels. Rules are installed in each switch to forward a received data packet to the SDN controller in response to a second color label of the received data packet not matching the first color label assigned to the switch. A second color label, from the set of color labels, is assigned to a trace data packet. A route of the trace data packet is traced through the SDN based on the second color label and application of the one or more rules to the trace data packet at each of the switches in the SDN as the trace data packet is received by each of the switches in the SDN.
US09755967B2 Method, apparatus, and system for configuring flow table in OpenFlow network
A method, an apparatus, and a system for configuring a flow table in an OpenFlow network, which can enhance a service switchover adaptation capability of a network system, and improve the working efficiency. The method includes determining, by a control device, a type of a service needing to be forwarded by a switch device; determining, according to the type of the service needing to be forwarded by the switch device and a prestored correspondence between a service type and flow table matching capability information, flow table matching capability information corresponding to the service type, and sending a flow table configuration message to the switch device, where the flow table configuration message carries the flow table matching capability information corresponding to the service type, so that the switch device configures, according to the flow table matching capability information, a flow table required for the service type.
US09755965B1 Forwarding tables for virtual networking devices
Systems, methods, and non-transitory computer-readable storage media for forwarding tables for virtual networking devices. The system first identifies local virtual machines hosted on a local host connected to the system, the system having virtual tunneling capabilities. The system then generates a forwarding table for the system. Next, the system populates the forwarding table with local entries including bindings for the local virtual machines hosted on the local host and adds a default route in the forwarding table pointing to a default forwarder function, wherein the default route is configured to handle all non-local traffic relative to the system and the local host.
US09755958B2 Fast convergence in VRRP with multipoint bidirectional forwarding detection
A method implemented by a first network device of enabling detection of a failure of a network device acting as a master of a virtual router redundancy protocol (VRRP) group of network devices is disclosed. The method comprises determining whether a first priority associated with the first network device is the highest priority when it is compared with priorities respectively associated with other network devices of the VRRP group. Responsive to determining that the first priority of the first network device is the highest priority, the method continues with causing the first network device to assume a master role in the VRRP group, and establishing a multipoint bidirectional forwarding detection (BFD) head session, wherein the BFD head session indicates that the first network device is action as a head of a multipoint BFD tree.
US09755949B2 Network failover and loop detection in hierarchical networks
Some embodiments provide loop detection and loop prevention mechanisms for messaging passing in between peers in a multi-tier hierarchy. In some embodiments, the messaging header is modified to track which peers have received a copy of the message. Each peer appends its identifier to the message header before passing the message to another peer. When selecting a receiving peer, the sending peer ensures that the receiving peer is not already identified in the message header. If the receiving peer has already received the message, then another peer from a next-peer list is selected to receive the message. If all peers in the next-peer have been traversed, the sending peer returns an error message via a reverse traversal of the peers in the message header.
US09755948B1 Controlling an optical bypass switch in a data center based on a neural network output result
A flow of packets is communicated through a data center including an electrical switch, an optical switch, and multiple racks each including multiple network devices. The optical switch can be controlled to receive packet traffic from a network device via a first optical link and to output that packet traffic to another network device via a second optical link. One network device includes a neural network that analyzes received packets of the flow. The optical switch is controlled to switch based on a result of the analysis performed. In one instance, the optical switch is controlled such that immediately prior to the switching no packet traffic passes from the first optical link and through the optical switch and to the second optical link but such that after the switching packet traffic does pass from the first optical link and through the optical switch and to the second optical link.
US09755945B2 Stream publishing and distribution capacity testing
Some embodiments dynamically test capacity of a streaming server under test (SUT). The dynamic testing involves a test server generating different test scenarios. Each test scenario specifies a mix of different streaming protocols, content streams, and content stream upload to download ratio. The test server tests the SUT with a gradually increasing traffic load from each test scenario while monitoring SUT performance under each load. The test server records each load from each test scenario under which the SUT becomes saturated. The test server produces a grid mapping the observed SUT saturation points to the test loads that caused them. The grid is used when the SUT is deployed to a production environment to determine if SUT saturation is imminent based on current traffic patterns being serviced by the SUT in the production environment. If so, a remedial action is dynamically performed to prevent the saturation from occurring.
US09755931B2 Fault tolerant distributed mobile architecture
A method includes detecting a failure condition relating to a first distributed mobile architecture (dMA) gateway (dMAG) at a dMAG management system. The dMAG management system is in communication with at least the first dMAG, a second dMAG, and dMA nodes. The method also includes determining that the first dMAG is offline based on the failure condition, selecting the second dMAG, sending a first notification from the dMAG management system to the second dMAG, and sending a second notification from the dMAG management system to an external system. The external system is configured to connect calls to a mobile station via the first dMAG. The first notification instructs the second dMAG to take over operations from the first dMAG. The second notification indicates that the external system is to connect subsequent calls to the mobile station via the second dMAG.
US09755928B2 Method, server and apparatus for establishing point-to-point connection
When a first device is establishing a point-to-point connection with a second device, a server provides connection instructions for assistance. The connection instructions define multiple connection flows. When the connection instructions are received, the first device attempts a first connection flow under a priority order. If failed, another connection is tried by the first device. The server monitors connection status and adjusts the connection instructions according to statistics and circumstances.
US09755924B2 Network resource requirements of traffic through a multiple stage switch network
An apparatus is provided for implementation of a system for assessing traffic through a multiple stage switch network. The apparatus may receive an indication of traffic to be routed through a multiple stage switch network configured to route the traffic from one or more input ports to one or more output ports according to a type of the traffic. The apparatus may calculate a network resource requirement of the traffic based on the input port(s), output port(s) and type of the traffic. Here, the network resource requirement may be calculated according to an algorithm specific to the type of the traffic, but generalized to any specific route of the traffic through the multiple stage switch network. And the apparatus may assess the traffic based on a comparison of a capacity of the multiple stage switch network, and the network resource requirement of the traffic.
US09755922B2 Minimized installation of point of presence software agents by use of pre-installed browser
A multi-device data processing machine system includes a plurality of network-connected cliental servers and an SaaS server that is configured to download by way of the network to the cliental servers of web pages having browser-executable code, the browser-executable code being configured to automatically repeatedly monitor performance attributes of respective ones of the cliental servers and to automatically repeatedly report on results of the monitoring to an SaaS provider associated with the SaaS server. When their corresponding web pages are downloaded into the respective cliental servers, their browser-executable codes function as Point of Presence (POP) agents. Installation of POP agents is reduced to downloading of webpages by way of pre-installed browsers.
US09755920B2 Service oriented architecture service dependency determination
Service dependency is determined for services in a service oriented architecture (SOA) environment. The steps in determining service dependency include: recording a first triple describing a first service call where the first service calls the second service, and determining the first service is dependent upon the second service based, at least in part, upon the first triple. The recording action is performed dynamically, the recording occurring when the first service call is made. Other related steps include recording the first triple to a timestamp indicating when the first service call is made.
US09755913B2 Thresholds for key performance indicators derived from machine data
One or more processing devices access a service definition for a service provided by one or more entities that each produce machine data or about which machine data is generated. The service definition identifies the entities that provide the service and, for each entity, identifying information for locating machine data pertaining to that entity. The processing devices access a key performance indicator (KPI) for the service that is defined by a search query that produces a value derived from the machine data pertaining to the entities identified in the service definition. The value indicates how the service is performing at a point in time or during a period of time and indicates a state of the KPI. A graphical interface is displayed and an indication of at least one threshold, which defines an end of a range of values representing a state of the KPI, for the KPI is received.
US09755907B2 Managing a switch fabric
In a method for managing a switch fabric comprising a plurality of fabric chips, each of said plurality of fabric chips comprising a plurality of port interfaces, a first configuration set and a second configuration set, each comprising a plurality of configuration registers for the port interfaces to use in calculating a port resolution for an incoming packet, are generated. In addition, a determination as to which of the first configuration set and the second configuration set the plurality of fabric chips are to use is made an instruction is communicated to each of the fabric chips to use the determined one of the first configuration set and the second configuration set.
US09755902B2 Dynamic system configuration based on cloud-collaborative experimentation
A server includes a first module that receives information from a plurality of systems. Each system of the plurality of systems includes functional units that are dynamically configurable during operation of the system. The information from each system of the plurality of systems includes performance data collected while executing a program when the functional units are configured according to a configuration setting respective to the system. The server also includes a second module that analyzes the received information to select a best-performing configuration setting of the configuration settings received from the plurality of systems. The server also includes a third module that provides a new configuration setting to the plurality of systems. The new configuration setting is a modification of the best-performing configuration. The server iterates on receiving the information from the plurality of systems, analyzing the received information and providing the new configuration setting to the plurality of systems.
US09755901B2 System and method for a software defined protocol network node
A software designed protocol (SDP) network node includes a receiver, and a processor operatively coupled to the receiver. The receiver receives instructions, and receives packets. The processor updates a configuration of the SDP network node in accordance with the received instructions, and processes the received packets.
US09755900B2 Managing configuration updates
Approaches are described for managing configuration information updates, or other information in a data center, shared resource environment, or other such electronic environment. A management component is provided that can manage distribution of configuration information, operating system (OS) images, authentication data, or other such information for host machines, servers, or other such devices in a network environment. The management component can further perform a number of actions when deploying configuration information updates, such as performing one or more checks to verify the health of a target switch, deactivating the target switch, shifting traffic to and from the target switch, updating a current configuration of the target switch, verifying the target switch's health after the configuration changes, bringing the target switch back in service, among others.
US09755898B2 Elastically managing a service node group
Some embodiments provide an elastic architecture for providing a service in a computing system. To perform a service on the data messages, the service architecture uses a service node (SN) group that includes one primary service node (PSN) and zero or more secondary service nodes (SSNs). The service can be performed on a data message by either the PSN or one of the SSN. However, in addition to performing the service, the PSN also performs a load balancing operation that assesses the load on each service node (i.e., on the PSN or each SSN), and based on this assessment, has the data messages distributed to the service node(s) in its SN group. Based on the assessed load, the PSN in some embodiments also has one or more SSNs added to or removed from its SN group. To add or remove an SSN to or from the service node group, the PSN in some embodiments directs a set of controllers to add (e.g., instantiate or allocate) or remove the SSN to or from the SN group. Also, to assess the load on the service nodes, the PSN in some embodiments receives message load data from the controller set, which collects such data from each service node. In other embodiments, the PSN receives such load data directly from the SSNs.
US09755890B2 Incrementally managing distributed configuration data
A configuration management system provides a partitioned data model for collecting and representing configuration information from a diverse set of sources to allow easier modeling of very large, highly redundant sets of enterprise configuration information. The system partitions large configuration schema into logical subcomponents that can be combined, shared, and reused. The system also partitions instantiated data models into logical sub-models that can be combined, shared, reused, and incrementally updated. Each product team can provide its own configuration schema, which allows the domain experts in a particular field to provide reusable models for their products. These models may include sub-models that allow reuse of selected portions of the configuration schema. When the system stores data related to each portion of the model, it stores the data in a partitioned manner that makes incremental updates of each component of the model more straightforward and less resource intensive.
US09755887B1 Managing a network element operating on a network
Disclosed are an apparatus and method of managing network elements operating on a network. One example method may include transmitting a request to receive at least one activity parameter of a network element operating on the network and monitoring the at least one activity parameter of the network element. The method may include determining whether a usage value of the at least one activity parameter exceeds a predetermined threshold usage value and transmitting a corrective function message to the network element responsive to determining that the usage value of the at least one activity parameter exceeds the predetermined threshold value. The method may further include performing a corrective function to reduce the usage value of the at least one activity parameter.
US09755886B2 Techniques for conditional name resolution and configuration
Techniques for conditional name resolution and configuration are provided. Calls made by applications to resolve hostnames through name resolution services are intercepted and processed unbeknownst to the applications. The calls are inspected for hostnames and the hostnames are lookup in a policy store for IP addresses. The IP addresses are supplied back to the applications as if IP addresses were provided by the name resolution services.
US09755885B1 Local rendering in lieu of streaming
Disclosed are various embodiments including systems and methods relating to the rendering of media content items on clients. For example, a media content item is designated in a server to be rendered on a client, where the server is configured to stream the media content item to the client. It is determined whether a copy of the media content item is locally accessible to the client for rendering on the client. When the copy of the media content item is not locally accessible to the client, the media content item is streamed from the server to the client. The server may obtain from the client a license to share the media content item for streaming to a predefined number of other clients when the copy of the media content item is locally accessible to the client and the client has the license.
US09755877B2 Peak suppression device and peak suppression method
A peak suppression device includes a suppression-signal generating unit and a band pass filter (BPF). The suppression-signal generating unit generates a suppression signal that is obtained by adding, to a transmission signal, a frequency component in which components of frequencies from a boundary of a band of the transmission signal to a frequency that is away therefrom toward an out-band of the transmission signal by predetermined frequencies are attenuated, out of frequency components of a signal to suppress a peak of the transmission signal. The BPF attenuates, after the suppression signal is amplified by the amplifier, a frequency component outside the band of the transmission signal in the amplified suppression signal.
US09755876B2 System and method for scrambling the phase of the carriers in a multicarrier communications system
A system and method that scrambles the phase characteristic of a carrier signal are described. The scrambling of the phase characteristic of each carrier signal includes associating a value with each carrier signal and computing a phase shift for each carrier signal based on the value associated with that carrier signal. The value is determined independently of any input bit value carried by that carrier signal. The phase shift computed for each carrier signal is combined with the phase characteristic of that carrier signal so as to substantially scramble the phase characteristic of the carrier signals. Bits of an input signal are modulated onto the carrier signals having the substantially scrambled phase characteristic to produce a transmission signal with a reduced PAR.
US09755874B2 Digital mobile communication
Digital mobile communications devices and methods for processing, modulation and demodulation, transmission and reception of spread spectrum signals, Orthogonal Frequency Division Multiplexed (OFDM) signals and conversion of spread spectrum signals into OFDM signals. Received spread spectrum signals from 3G cellular systems are converted into OFDM signals and transmitted in a Wi-Fi network. Received OFDM signals, received in a cellular system in a first RF frequency band, are demodulated and in a repeater mode are re-transmitted in a cellular system in a second OFDM radio frequency band. One or more receivers and demodulators for receiving demodulating and processing received signals into location finder information. A video camera in mobile device generates video signal and transmits video signal with location finder information signal.
US09755872B1 Pulse generation using digital-to-time converter
Pulse generation circuitry includes edge generation circuitry and edge combination circuitry. The edge generation circuitry includes a first digital-to-time converter (DTC) configured to input a first phase signal that includes a first phase edge and a second phase signal that includes a second phase edge. The edge generation circuitry is configured to generate a first pulse edge signal comprising a first pulse edge at a selected location between the first phase edge and the second phase edge. The edge combination circuitry is configured to combine the first pulse edge signal and a second pulse edge signal including a second pulse edge to generate a pulse signal.
US09755871B1 Method of demodulating control channel and data channel in wireless communciation system and apparatus therefor
A method of demodulating a channel by a user equipment in a wireless communication system, include the steps of receiving information including a total power value of reference signals (RSs), a power difference value between power of a first RS for control information and a power of a second RS for data among the RSs, a port number of an additional RS, a cyclic shift (CS) value of the additional RS, and a power value of the additional RS and a power difference value between second RSs for the control information, performing channel estimation on a first channel on which the additional RS is received and a second channel received from a port identical to the port number of the additional RS and the second channel on which the first RS to which a CS value different from the CS value of the additional RS is applied is received, obtaining a power difference value between the power of the additional RS and the power of the first RS based on the channel estimation of the first and the second channels, and determining a number of rank of the second RS based on the total power value of the RSs, the power value of the additional RS, a power difference value between the power of the first RS and the power of the second RS, the obtained power difference value between the power of the additional RS and the power of the first RS, and the power difference value between the power of the second RSs.
US09755870B1 Eye modulation for pulse-amplitude modulation communication systems
The present invention is directed to communication systems. More specifically, embodiments of the present invention provide a technique and system thereof for performing eye modulation. Eye modulation is performed at the transmission side of a PAM communication system to compensate for distortion and non-linearity and generate an output waveform. Spacing among eye levels is adjusted by performing symmetric modulation using α parameter and asymmetric modulation using β parameter. A correction module measures the output waveform and sends feedback signals to a control module to adjust the α parameter and the β parameter. There are other embodiments as well.
US09755867B2 Method and a system for controlling a plurality of electronic components arbitrarily assignable to a plurality of integrated circuits of a mobile communications device
A system for controlling a plurality of electronic components arbitrarily assignable to a plurality of integrated circuits of a mobile communications device is provided. The integrated circuits are capable of processing a radio frequency signal. The system includes a control module configured to allocate a subset of the plurality of electronic components constituting at least one signal path between an integrated circuit of the plurality of integrated circuits and an antenna element of the mobile communications device. The control module is further configured to assign the at least one signal path to the integrated circuit, and to transfer control of at least a part of the subset of the plurality of electronic components constituting the at least one signal path to the integrated circuit.
US09755863B2 High data rate multilevel clock recovery system
Digital receiver systems and clock recovery techniques for use in digital receiver systems are provided to implement asynchronous baud-rate clock recovery systems for high data rate serial receivers multilevel line modulation. A two-stage postcursor ISI equalization system is provided to efficiently emulate a 4-level DFE (decision feedback equalization) system, for example, while converting a 4-level equalized signal to s 2-level equalized signal. For example, a two stage postcursor ISI equalization system includes a DFE stage which operates on a most significant component of a given 4-level data symbol, followed by a DFFE (decision-feedforward equalizer) stage which operates on a least significant component of the given 4-level data symbol. In parallel with the DFFE stage, an estimate of the least significant component is subtracted from the equalized 4-level data symbol to convert the 4-level data symbol to a 2-level symbol.
US09755862B2 Signal transfer device for transferring signal by balanced transmission
A signal transfer device includes a signal transmitter, a first amplitude adjustment component, an adjustment signal output component, a detector and a second amplitude adjustment component. The signal transmitter outputs signals to first and second transfer paths based on single-phase or differential input signal. The first amplitude adjustment component adjusts at least one of amplitudes of the signals transferred to the first and second transfer paths based on a predetermined amplitude ratio. The adjustment signal output component outputs adjustment signals to the first and second transfer paths. The detector detects the adjustment signals. The second amplitude adjustment component adjusts at least one of the amplitudes of the signals transferred to the first and second transfer paths based on detection result of the detector.
US09755861B2 Power line communication system and master communication device
A power line communication system includes a master side transceiver of a master communication device, a slave side transceiver of a slave communication device, a power wire, and a ground wire. The master communication device includes a voltage changeover portion changing supply voltage in steps. The master side transceiver is connected to the slave side transceiver through the power wire and the ground wire. The slave side transceiver transmits first information to the master side transceiver by a differential transmission. The voltage changeover portion changes the supply voltage so as the master side transceiver to transmit second information to the slave side transceiver. A master communication device includes a master side transceiver and a voltage changeover portion.
US09755850B2 Providing dynamic routing alternatives based on determined traffic conditions
Methods, devices, and systems are provided to determine traffic conditions along a traffic path and dynamically present one or more entities with at least one alternate route. The alternate route is determined based on a number of entities along the traffic path and available routing points adjacent to the traffic conditions. The alternate route may be configured to optimize traffic for an entire traffic system rather than only optimizing traffic for receivers of the alternate routes. Data relating to the alternate routes presented to the entities can be tracked. This data may be used to evaluate an effectiveness of the routing decisions made. Effectiveness can be measured in cost and time saved or spent. Information, such as the data, determinations of the data, and/or even effectiveness of alternate routes, can be distributed to one or more parties. Distribution of the information may be associated with a tiered cost structure.
US09755849B2 Digital broadcasting system and method of processing data in digital broadcasting system
A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system includes a receiving unit, an SI handler, and a decoding unit. The receiving unit receives broadcast signals including mobile service data and main service data. The mobile service data configure a data group, and the data group includes a signaling information region in some of a plurality of data regions. The signaling information region may include TPC signaling data and FIC signaling data. The SI handler acquires channel configuration information of the mobile service data from the broadcast signal using pre-decided IP access information, and extracts encoding format information for each IP stream component within a corresponding virtual channel service RTP-packetized and received from the acquired channel configuration information. The decoding unit decodes the mobile service data of the corresponding IP stream component based upon the extracted encoding format information.
US09755847B2 Method and system for sharing and discovery
A method for sharing media within a chat room system, including: in response to receipt of a sharing selection from a user at a device, rerouting an audio output from a default audio output of the device to a virtual audio output, capturing a primary audio stream generated by an application executed on the device with the virtual audio output, sending the primary audio stream to an external server for distribution to secondary user devices, receiving a secondary audio stream from the external server and concurrently playing the primary audio stream and secondary audio stream at an audio output of the device.
US09755845B2 Protocol independent multicast (PIM) snooping for a shortest path bridging multicast (SPBM) network
A method and apparatus for providing Protocol-Independent Multicast (PIM) snooping for a Shortest Path Bridging Multicast (SPBM) Network is presented. An ingress Backbone Edge Bridge (BEB) device of a Shortest Path Bridging (SPB) network having at least one egress BEB coupled to at least one PIM network performs the following operations. The egress BEB, snoops join and prune messages for a multicast stream in the SPB network. A multicast tree is built in the SPB network for the multicast stream in accordance with the join and prune messages. The multicast stream is forwarded through the SPB network in accordance with the multicast tree.
US09755843B2 System and method for providing policy charging and rules function discovery in a network environment
A method is provided in one example embodiment and may include establishing a first binding for a first session for a UE, wherein the first binding includes, at least in part, PCEF connectivity information for a PCEF associated with a PGW hosting the first session for the UE, wherein the first binding is established by a first DRA in a first IP domain; receiving a request by second DRA in a second IP domain associated with establishing a second session for the UE; determining a PCRF serving the first session for the UE; and binding the second session for the UE with the first session for the UE. A method is provided in another example embodiment and may include exchanging PCEF connectivity information over a Dr interface between a plurality DRAs and maintaining PCEF connectivity information for one or more peer DRAs to which each DRA is connected.
US09755840B2 Backup and invalidation of authentication credentials
A method for a re-issuance of an attribute-based credential of an issuer of the attribute-based credential for a user may be provided. The user is holding backup values derived from a first credential previously obtained from the issuer, wherein the first credential is built using at least a first value of at least one authentication pair. The method comprises receiving by the issuer from the user a set of values derived from the backup values comprising a second value of the at least one authentication pair, validating by the issuer that the second value is a valid authentication answer with respect to the first value and whether the set of values was derived from a valid first credential, and providing by the issuer a second credential to the user based on the first set of values.
US09755835B2 Metadata transcoding
The present document relates to transcoding of metadata, and in particular to a method and system for transcoding metadata with reduced computational complexity. A transcoder configured to transcode an inbound bitstream comprising an inbound content frame and an associated inbound metadata frame into an outbound bitstream comprising an outbound content frame and an associated outbound metadata frame is described. The inbound content frame is indicative of a signal encoded according to a first codec system and the outbound content frame is indicative of the signal encoded according to a second codec system. The transcoder is configured to identify an inbound block of metadata from the inbound metadata frame, the inbound block of metadata associated with an inbound descriptor indicative of one or more properties of metadata comprised within the inbound block of metadata, and to generate the outbound metadata frame from the inbound metadata frame based on the inbound descriptor.
US09755828B2 Communication device, communication method, computer program product, and communication system
According to a communication device includes a sharing processing unit, a storage, and a controller. The sharing processing unit shares an encryption key with one or more external devices. The storage stores therein the encryption key. The controller compares a current amount representing an amount of the stored encryption key with a specified reference amount and performs control to continue or stop sharing processing, which is performed by the sharing processing unit, for sharing the encryption key on the basis of a comparison result.
US09755823B2 Cryptographic system, cryptographic method, and computer readable medium
It is an object to provide predicate encryption that can conceal both attribute information being set in a ciphertext and predicate information being set in a decryption key even in a public key setting. An encryption device 200 generates a ciphertext ctx in which attribute information x is set as a basis vector of a basis D. A conversion device 300 converts with conversion information W the basis D of the ciphertext ctx generated by the encryption device 200 to a basis B so as to generate a ciphertext CTx. A decryption device 400 decrypts the ciphertext CTx generated by the conversion device 300 with a token tkv in which predicate information v is set as a coefficient of a basis vector of a basis B* corresponding to the basis B.
US09755820B2 Frequency offset detection method and apparatus
Embodiments of the present invention provide a frequency offset detection method and apparatus. The frequency offset detection method in the present invention includes: calibrating a frequency offset of a clock signal output by a local crystal oscillator of a network element device, and performing frequency offset detection on a tracked reference clock signal by using the calibrated clock signal output by the local crystal oscillator. The embodiments of the present invention solve a problem in the prior art that a detection result for a frequency offset of a reference clock signal is inaccurate because of an existence of a frequency offset of a local crystal oscillator and a parameter drift caused by aging, thereby improving detection precision without replacing hardware.
US09755819B2 Phase calibration of clock signals
A receiver with clock phase calibration. A first sampling circuit generates first digital data based on an input signal, a sampling phase of the first sampling circuit controlled by a first clock signal. A second sampling circuit generates second digital data based on the input signal, a sampling phase of the second sampling circuit controlled by a second clock signal. Circuitry within the receiver calibrates the clocks in different stages. During a first calibration stage, a phase of the second clock signal is adjusted while the first digital data is selected for generating the output data. During a second calibration stage, a phase of the first clock signal is adjusted while the first digital data is selected for the output data path.
US09755817B2 Compact phase interpolator
A phase interpolator is provided with a plurality of slices. Each slice includes a first switch for mixing a first clock signal into an interpolated output signal and a second switch for mixing a second clock signal into the interpolated output signal. In response to a high-resolution signal, at least one of the slices may switch on both the first switch and the second switch.
US09755816B2 Dynamic TDD configuration method and a base station using the same
Accordingly, the present disclosure is directed to a dynamic time division duplex (TDD) configuration method and a base station using the same method. According to one of the exemplary embodiments, the present disclosure is directed to A dynamic TDD configuration method, applicable to a base station, and the method includes the steps of transmitting a current time division duplex (TDD) configuration, selecting a dynamic TDD configuration based on the current TDD configuration after transmitting the current TDD configuration, and transmitting the dynamic TDD configuration, wherein, the dynamic TDD configuration is a subset of an allowable set comprising one or more possible TDD configurations by which each downlink subframe of the current TDD configuration is not re-configured to a uplink subframe by the dynamic TDD configuration selected from the allowable set.
US09755812B2 Scheduling improvement
In accordance with the exemplary embodiments of the invention there is at least a method and apparatus to perform operations including receiving information including indications of frequency and time of resource usages for a cell of a neighboring cell, wherein the frequency and time resource usages for the cell of the neighboring cell are for a predetermined amount of next frequency and time resource usages scheduled; and processing the received frequency and time resource usages to create a mapping of frequency and time pair usage specific to the neighboring cell.
US09755811B2 Method, computer program and apparatus for transmission signal rank determination
The present disclosure relates to a method (20) for transmission signal rank determination performed in a base station node (3) of a communication system (1). The base station node (3) serves a first cell (9) and the first cell (9) has a neighboring cell (8) served by a neighboring base station node (2). The base station node (3) is configured for multiple-input, multiple output communication with a first wireless device (7). The method (20) comprises receiving (21), from a node (2); (10) of the communication system (1), information related to the neighboring cell (8), and determining (22), based on the received information, a signal rank of a data transmission to the first wireless device (7) located within the first cell (9).
US09755809B2 Method and apparatus for interference control in a multi-cell communication system
Methods and apparatus disclosed maximize the capacity of serving cells and minimize inter-cell interferences due to power emission from serving cells in a multi-carrier, multi-cell communication system. The control methods and apparatus take into account various factors such as cell configuration, frequency reuse, geometry and path-loss information, transmission priority, subchannel configuration, feedback from other cells, or any combination thereof, and produce signals that control the transmission power levels and the modulation and coding of transmitted signals.
US09755804B2 Method of user equipment monitoring control information in a multiple node system and user equipment using the method
There are provided a method of user equipment monitoring control information and user equipment using the method. The method includes receiving information about a first reference position for a first Enhanced-Physical Control Format Indication Channel (E-PCFICH) from a Base Station (BS); detecting the first E-PCFICH in a resource indicated by the information about the first reference position; obtaining information about a reference position for a second E-PCFICH based on the information about the first reference position, wherein each of the first E-PCFICH and the second E-PCFICH is a control channel including information about the size of the frequency domain for an Enhanced-Physical Downlink Control Channel (E-PDCCH) for demodulating the control information by using a UE-specific Reference Signal (URS); and detecting the second E-PCFICH based on the obtained information about the reference position for the second E-PCFICH.
US09755803B2 Method and arrangement in a radio-access network
The invention relates to a method and arrangement for transmitting and receiving control information in a radio-access network. A network node transmits first control information in a first part and second control information in a second part of a time-frequency region that is transmitted after a control region in a subframe. The second part is located later in the subframe than the first part. The second control information may be less time-critical than the first control information. An intermediate node receives and decodes the first control information at the end of the first part. When the first control information indicates that the subframe comprises data payload to the intermediate node, the intermediate node receives and decodes the data payload. The intermediate node receives second control information at the end of the second part.
US09755799B2 Coordinating transmission of positioning reference signals and non-reference signals
A base station coordinates transmission of positioning reference signals and non-reference signals. The base station includes a transceiver to detect a reference signal transmitted by one or more other base stations in one or more physical resource blocks. The base station also includes a processor to identify a pattern of resources allocated to the one or more other base stations based on the one or more physical resource blocks including the reference signal. The transceiver is to bypass transmission of non-reference signals in physical resource blocks indicated by the pattern.
US09755798B2 Methods providing configuration parameters for inter base station coordinated multipoint communications
Methods of operating a base station in a radio access network (RAN) may be provided. In particular, a message may be communicated (e.g., transmitted or received) between the base station and another node of the radio access network, and the message may include a Coordinated Multipoint (CoMP) hypothesis field, a benefit metric field, and a cell identification field. Communicating may include transmitting the message to the other node of the radio access network, or communicating may include receiving the message from the other node of the radio access network.
US09755797B2 Localization-based beamforming scheme for systems with multiple antennas
A method of accurate 3D positioning with reduced cost is proposed. A user equipment (UE) receives a plurality of positioning reference signals (PRSs) from a plurality of base stations. The plurality of base stations includes a serving base station and two neighboring base stations. The UE estimates a plurality of line-of-sight (LOS) paths and corresponding indexes of the PRSs for time of arrival (TOA) and time difference of arrival (TDOA) measurements. The UE then estimates an elevation angle of the UE based on the estimated LOS paths of the PRS from the serving base station. Finally, the system (either UE or network, depending on where the coordinates are) can calculate the UE position based on the TDOA measurements and the elevation angle.
US09755795B2 System and method for WLAN OFDMA design of subcarrier groups and frame format
Embodiments are provided for WLAN Orthogonal Frequency Division Multiple Access (OFDMA) design of subcarrier groups and corresponding frame format. An embodiment method includes grouping a plurality of subcarriers for OFDMA transmissions into a plurality of subcarrier groups in accordance with a pre-defined grouping structure for subcarriers. The method further includes allocating the subcarrier groups to a plurality of corresponding users, and signaling, to the users, a map of the subcarrier groups to the corresponding users. According to the pre-defined grouping structure, each one of the subcarrier groups includes a plurality of consecutive subcarriers, a plurality of non-consecutive subcarriers, or a combination of consecutive and non-consecutive subcarriers according to a deterministic structure. The map is signaled using an OFDMA PPDU comprising a legacy preamble portion configured to silence legacy users that do not use OFDMA communications, an OFDMA preamble portion indicating the map, and a data portion.
US09755793B2 Heterogeneous network integrating device and method thereof
A heterogeneous network integrating device and method thereof are provided. The device and method are applied in a communication environment overlapped by a mobile network covering range and a wireless network covering range and using the mobile network and wireless network to transmit downlink traffic. The heterogeneous network terminal enables the mobile network air interface and wireless network air interface at the same time when transmitting the downlink traffic and requests the mobile network end to transmit by the mobile network and wireless network at the same time. The mobile network end assigns the downlink traffic of the heterogeneous network integration terminal to the mobile network and the wireless network. This uses the bandwidth feature of mobile network and wireless network to promote transmission rate of downlink traffic and shorten user waiting time.
US09755792B1 Generating and checking a quaternary pseudo random binary sequence
An apparatus and method relate generally to generation and checking of a quaternary pseudo random binary sequence (“QPRBS”). In an apparatus, there is a pseudo random binary sequence (“PRBS”) generator configured to receive a seed of a PRBS to be generated. A mask generator is configured to generate a mask output corresponding to the PRBS. The PRBS generator and the mask generator are both configured for sequential operation with respect to one another. A masking circuit is configured to receive the mask output and the PRBS to bitwise mask the PRBS with the mask output to generate the QPRBS.
US09755787B2 Transmission control method for HARQ in mobile communication system
A transmission control method for HARQ is provided for improving HARQ performance in a mobile communication system. The transmission control method for Hybrid Automatic Repeat reQuest (HARQ) in a mobile communication system according to the present invention includes receiving an downlink resource assignment message; determining whether configured downlink assignment has been indicated to an HARQ entity since a previously received downlink assignment for a User Equipment's (UE's) Cell-Radio Network Temporary Identifier (C-RNTI) for the same HARQ process; maintaining, if the configured downlink assignment has not been indicated to the HARQ entity, the HARQ process; and processing, if the configured downlink assignment has been indicated to the HARQ entity, the downlink resource assignment message as a resource assignment message for initial transmission.
US09755785B2 Receiver for wireless communication network with extended range
Techniques for detecting and demodulating a signal/transmission are described. Signal detection is performed in multiple stages using different types of signal processing, e.g., using time-domain correlation for a first stage, frequency-domain processing for a second stage, and time-domain processing for a third stage. For the first stage, products of symbols are generated for at least two different delays, correlation between the products for each delay and known values is performed, and correlation results for all delays are combined and used to declare the presence of a signal. For demodulation, the timing of input samples is adjusted to obtain timing-adjusted samples. A frequency offset is estimated and removed from the timing-adjusted samples to obtain frequency-corrected samples, which are processed with a channel estimate to obtain detected symbols. The phases of the detected symbols are corrected to obtain phase-corrected symbols, which are demodulated, deinterleaved, and decoded.
US09755783B2 Abort blind MCH decoding
In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE determines a failure to receive an MSI for a first MSP. The UE attempts to decode one or more subframes in the first MSP. The UE detects an occurrence of an MSP abort decoding event. The UE determines that the first MSP does not include any subframe that carries MBMS data of an MBMS segment based on the detection of the MSP abort decoding events. The UE aborts the attempt to decode the one or more subframes.
US09755782B2 Flexible PRBS architecture for a transceiver
An apparatus is provided. The apparatus comprises a polynomial register having a plurality of bits, a first bus, a second bus, and a transceiver that is coupled to the first bus, the second bus, and the polynomial register. The polynomial register is configured to store a user-defined polynomial, and the transceiver includes a pseudorandom bit sequence (PRBS) generator is configured to generate a scrambled signal from the user-defined polynomial and a PRBS checker that is configured to generate a descrambled signal from a second signal using the user-defined polynomial.
US09755778B2 Optical network unit (ONU) for low latency packet transmission in time division multiplexing-passive optical network (TDM-PON), method of operating the same, and apparatus for controlling ONU
Provided are an Optical Network Unit (ONU) for low latency packet transmission in a Time Division Multiplexing-Passive Optical Network (TDM-PON), a method of operating the ONU, and an apparatus for controlling the ONU. The method includes: receiving, from a base station, first bandwidth allocation information regarding a bandwidth allocated by the base station to a terminal for uplink packet transmission; and transmitting a bandwidth allocation request, which is based on the received first bandwidth allocation information, to an Optical Line Terminal (OLT) before completing packet reception from the base station.
US09755776B2 Transient and switching event stabilization of fiber optic transport systems
A method and system for transient and switching stabilization of a fiber optic transport system. One or more data-bearing channels are coupled to an optical fiber. The data-bearing channels are distributed among a plurality of frequency sub-bands. A set of control channels is also coupled to the optical fiber. Each control channel includes a pair of signals at separate frequencies. There is at least one control channel in each of the plurality of frequency sub-bands. The pair of signals of a control channel are cross-polarized. Optical power in at least one of the plurality of sub-bands is measured. Responsive to the measured optical power, the optical power of a control channel is adjusted to maintain a substantially constant power of a sub-band that contains the adjusted control channel.
US09755775B2 Base station, network system, and communication method
Embodiments of the present invention provide a base station, a network system, and a communication method. The base station includes: a control module, configured to connect to a control module of at least one other base station by using a first logical interface, and perform control plane interaction during inter-base station coordination; and a data processing module, connected to the control module, and configured to connect to a data processing module of the at least one other base station by using a second logical interface, and perform user plane interaction during the inter-base station coordination. The base station in this embodiment of the present invention is provided with the first logical interface and the second logical interface to respectively implement the control plane interaction and the user plane interaction between base stations, so that the inter-base station coordination can be implemented.
US09755767B2 Mechanism to measure, report, and allocate a highest possible rank for each cell in a carrier aggregation (CA) mode receiver-limited user equipment (UE)
Certain aspects of the claimed invention generally relate to a network dynamically configuring one or more cells based on signal quality measurements received from all antennas of a receiver-limited UE. The receiver-limited UE may have a number of receivers that is less than or equal to a number of antennas of the UE. Further, the UE may be capable of operating in a CA mode. Dynamically configuring the one or more cells based, at least in part, on the received signal quality measurements may allow the UE to operate on M×N MIMO on the Pcell or Scell.
US09755761B2 Hitless, multi-rate optical transmission and reception
An apparatus comprising a receiver configured to receive an optical signal that carries a multi-rate data signal associated with a first transmission data rate and a second transmission data rate. The apparatus further comprises a processor configured to convert the optical signal into a plurality of digital electrical signals, decode a first portion of the digital electrical signals according to a first modulation format associated with the first transmission data rate, detect a rate change signaling block in the digital electrical signals that indicates a rate change from the first transmission data rate to the second transmission data rate associated with a second modulation format, and decode a second portion of the digital electrical signals received after the rate change signaling block according to the second modulation format.
US09755760B2 Supply voltage modular photodiode bias
An optical communication system, circuit, and Integrated Circuit (IC) chip are disclosed. The disclosed optical communication system includes a photodiode configured to receive light energy and convert the light energy into an electrical signal, an amplifier configured to receive the electrical signal from the photodiode and output an amplified electrical signal, and a control circuit comprising a biasing network that generates a modular logic level that scales with a bias voltage of the photodiode.
US09755756B2 Transmission device, transmission system, and transmission method
A transmission device includes: a payload generator configured to generate a payload; and an adding unit configured to add payload information on the payload to the payload, wherein the payload to which the payload information is added is transmitted via a first lane, and management information on the first lane is transmitted via a second lane.
US09755755B2 Laser-based system utilizing multiple laser beams
A laser-based device or sensor includes: a first laser transmitter having a first self-mix carrier frequency; a second laser transmitter having a second, different, self-mix carrier frequency; a first monitor photodiode to receive a first optical signal from the first laser transmitter, and to output a first electric signal; a second monitor photodiode to receive a first optical signal from the second laser transmitter, and to output a second electric signal; an electric connection to connect together the first electric signal and the second electric signal, forming a combined electric signal; a single laser receiver to receive the combined electric signal and to generate from it a spectrum that corresponds to both (i) optical feedback of the first laser transmitter, and (ii) optical feedback of the second laser transmitter. Alternatively, a single monitor photodiode is used, receiving optical signals from multiple laser transmitters, and outputting a single electric signal to a single laser receiver.
US09755752B2 Method for manufacturing an optical communication device
A method of manufacturing an optical communication device aligns an optical sub-assembly and an optical modulator on a carrier wafer. A first sub-mount supports the optical sub-assembly and a second sub-mount supports the optical modulator. Pre-defined break lines are placed on the carrier wafer to accommodate separation of the sub-assembly and the optical modulator. The first sub-mount connects the optical sub-assembly to a thermoelectric cooler by either an epoxy, a spacer layer, or both. The optical sub-assembly is aligned in the x/y/z directions relative to the second sub-mount in a position to match an optical height of the optical modulator in the z-direction, wherein the z-direction is a vertical direction relative to the carrier wafer.
US09755751B2 Optical transceiver of flexible modulation format
An optical transceiver of a flexible modulation format. The optical transceiver may include an optical transmitter to convert an electrical signal to an optical signal and transmit the optical signal, an optical receiver to receive and convert the optical signal to an electrical signal, and a controller to set modulation formats of the optical transmitter and the optical receivers according to modulation format information.
US09755749B2 ONU, communication system and communication method for ONU
Disclosed are an ONU, a communication system and a communication method for an ONU. The ONU provided in the present disclosure includes a processing module and at least two user interface modules. At least two ONU sub-modules are disposed in the processing module. The disposed ONU sub-modules are corresponding to the user interface modules in a one-to-one manner. Each ONU sub-module processes the user side data from a corresponding user interface module.
US09755748B2 Transmission apparatus and method for controlling the transmission apparatus
A transmission apparatus includes: a data signal processor to add first data of a control signal to a data signal received, and transmit the data signal; a first signal output module to output second data of the control signal; an update controller to control an update of a function included in the first signal output module; and a second signal output module, when receiving a notice of an instruction for updating the function from the update controller, to output the first data that is the second data held therein when the notice thereof is received, wherein the second signal output module, when receiving a notice of a completion for updating the function from the update controller, outputs the first data that is the second data received from the first signal output module updated by the update controller.
US09755746B1 Systems and methods for digitally splitting an optical line terminal across multiple fibers
The physical layer of an optical line terminal (OLT) of an optical network is split across multiple fibers so that the OLT has a plurality of optical transceivers for respectively communicating across a plurality of optical fibers. Thus, each optical transceiver is in communication with a smaller number of optical network units (ONUs) relative to an embodiment for which a single optical transceiver is employed, thereby reducing the transmit power requirements of the optical network. Accordingly, less expensive optical components, such as lasers, can be used at the OLT and the ONUs. In addition, the split at the OLT is implemented digitally, and the digital components of the OLT are arranged such that various performance benefits are realized. As an example, the OLT may be configured such that data and/or overhead may be simultaneously transmitted in the upstream direction thereby increasing the upstream throughput and capacity of the optical network.
US09755745B2 Device for simultaneous data and power transmission over an optical waveguide
A device and a method for simultaneous full-duplex data and power transmission over a single optical waveguide, which connects a base station and a remote station. At the base station a high power laser source emits a first laser beam for carrying power and a base station low power laser source emits a second laser beam for carrying data over the optical waveguide from the base station to the remote station. An optical interface couples the laser beams into the optical waveguide. The laser beams are received at corresponding first and second remote station optical receivers. At the remote station, a third laser beam is emitted by a remote station low power laser source for carrying data from the remote station to the base station and the beam is received at the base station optical receiver. The wavelengths of the first, second and the third laser beams are distinct.
US09755741B1 Visible-light based communication and occupancy detection
A lighting device for illumination, data communication, and occupancy detection includes a processor and a transmitter circuit that is configured to generate a first electrical signal. During a first time duration, the first electrical signal is a carrier signal having a first frequency, and during a second time duration, the first electrical signal is a data encoded signal. The lighting device further includes a light source configured to emit a first visible light based on the first electrical signal. The lighting device also includes a receiver configured to receive a second visible light. The processor is configured to detect a motion in a monitored area based on the second visible light.
US09755739B1 WFOV and NFOV shared aperture beacon laser
A method of free-space optical communication includes guiding, by focusing optics, an optical communication beam emitted from an optical transmitter into a double-clad optical fiber. The optical communication beam carrying data. The double-clad optical fiber has first and second ends, where the first end is arranged to receive the optical communication beam. The double-clad optical fiber includes a fiber core, a first cladding, and a second cladding. The method also includes directing, by collimating optics, the optical communication beam from the second end of the double-clad optical fiber toward an optical receiver of a communication terminal. the second portion of the optical communication beam arranged concentrically around the first portion of the optical communication beam, the first portion of the optical communication beam having a higher intensity than the second portion of the optical communication beam.
US09755736B2 Smart remote node optical network unit and operation method thereof
Disclosed is a smart remote node optical network node including an optical layer monitoring unit configured to transmit a monitoring light signal to an optical network unit through an optical switch and receive a monitoring light signal reflected from the optical network unit, an infra recognition unit configured to recognize whether an optical connector is connected to an output port of a remote node and an identification number of the optical connector when the optical connector is connected thereto, and a control unit connected to the optical layer monitoring unit and the infra recognition unit and configured to control recognition and monitoring operations of the remote node according to a remote node application.
US09755735B2 Optical end monitoring apparatus and method of operating the apparatus
An optical end monitoring apparatus in an optical communication network includes an optical transmitting unit, an optical receiving unit, and a decision unit. The optical transmitting unit generates first and second optical signals with different wavelengths and transmits the first and second optical signals to the optical end terminal over an optical cable. The optical receiving unit receives reflection signals corresponding to the respective first and second optical signals. The decision unit determines whether the optical end terminal is connected to the optical cable using a difference between magnitudes of the respective received reflection signals.
US09755733B2 Optical communication system and optical communication method
An optical communication system includes: a first network-side device and a second network-side device each coupled to a communication network; and a first terminal-side device and a second terminal-side device configured to communicate with the first network-side device and the second network-side device by being coupled to the first network-side device and the second network-side device via a first communication cable and a second communication cable, respectively, wherein the first network-side device is coupled to the first terminal-side device via the communication network, the second network-side device, and a third communication cable for coupling the second network-side device and the first terminal-side device so as to communicate between the first network-side device and the first terminal-side device.
US09755725B2 Relay device, relay method, wireless communication system, base station, and wireless communication device
Provided is a relay device including a receiving unit for receiving information from a plurality of wireless communication devices, a storage unit for accumulating the information received from the plurality of wireless communication devices by the receiving unit, an information processing unit for aggregating the information accumulated in the storage unit, and a transmitting unit for transmitting the information aggregated by the information processing unit to a base station.
US09755723B1 Improving uplink performance for a beam-forming antenna configuration
A method, system, and medium are provided for improving uplink performance of an antenna array configured for downlink beam forming. Beam forming requires an antenna element spacing that results in correlated downlink signals. Uplink reception preferably uses an element spacing such that uplink signals are uncorrelated. For an eight-element antenna configured for beam forming, using eight-branch combining to produce a single resultant signal is thus less than optimal. In an embodiment, non-adjacent elements in the antenna array, which receive uncorrelated signals, may be combined in pairs with two-branch combining. The four resultant signals may then be combined using four-branch combining to provide a single resultant signal.
US09755722B2 Transmission device, reception device, communication system, transmission method and reception method
In a transmission device, a coder performs SFBC block coding of a signal stream includes a divider equally dividing the stream into sub-streams of time lengths Msub and performs a cyclic shift of one or more sub-streams, a processor outputs the sub-streams and performs, on the sub-streams, time-axis inversion processing, complex conjugate processing and sign inversion processing, or the time-axis inversion processing and the complex conjugate processing, a phase rotation unit generates a repetitive signal of a time length N in which an output signal of the processor is reproduced and arranged, and giving phase rotation to the repetitive signal, and a multiplexer generates, for each transmission antenna, a signal transmitted from the antenna, by multiplexing the repetitive signals given the phase rotation, and the unit gives different phase rotations to repetitive signals multiplexed to an identical transmission signal.
US09755716B2 Codebook construction
A method implemented in a base station used in a wireless communications system is disclosed. The method comprises having 1-layer, 2-layer, 3-layer, and 4-layer codebooks for 4 transmit antenna (4TX) transmission, each codebook including a plurality of precoding matrices, (precoding data with one of the plurality of precoding matrices, and transmitting, to a user equipment, the precoded data, wherein each of the 1-layer and 2-layer codebooks comprises a first codebook and a second codebook, and wherein each precoding matrix in the first codebook comprises a first index and a second index. Other apparatuses, systems, and methods also are disclosed.
US09755710B2 Transmission method and transmission apparatus
A transmission apparatus includes a plurality of antennas and a transmission scheme determination processor that selects one of either a first transmission scheme of transmitting a plurality of signals including a first amount of data in a frame, respectively, from the plurality of antennas, and a second transmission scheme of transmitting a plurality of signals including a second greater amount of data in a frame, respectively, from the plurality of antennas. The apparatus includes a modulation scheme selection processor that selects a modulation scheme among a plurality of modulation schemes and a control processor that controls the transmission scheme determination processor and the modulation scheme selection processor to change the transmission scheme less frequently than the modulation scheme. A transmitter transmits from the plurality of antennas a signal generated based on the selected transmission scheme and the selected modulation scheme.
US09755707B2 Method and apparatus for calibrating multiple antennas
A method and apparatus for calibrating multiple antennas in a radio communication device. The radio communication device is configured with a TX circuit and a RX circuit for each of the multiple antennas, each pair of the TX circuit and the RX circuit are operably coupled to the corresponding antenna in normal antenna operation. The apparatus comprises a first TX oscillator and a first RX oscillator. The first TX oscillator is operably coupled to the respective TX circuits to supply them with a TX working frequency or a RX calibrating frequency, the TX working frequency is supplied in the normal antenna operation and an antenna TX calibration operation, and the RX calibrating frequency is supplied in an antenna RX calibration operation. The first RX oscillator is operably coupled to the respective RX circuits to supply them with a RX working frequency or a TX calibrating frequency.
US09755704B2 Multimodal communication system induction and radio and method
A system of wearable or personal area devices includes a first earpiece and a second ear piece each of the first ear piece and the second ear piece comprising an ear piece housing, an induction circuit disposed within the ear piece housing for short range communications, and a radio transceiver disposed within the ear piece housing for radio communications. The induction circuit of the first ear piece and the induction circuit of the second ear piece are adapted for communication there between using high bandwidth audio.
US09755703B2 Cloud-based system for processing of decodable indicia
A data decoding system can comprise a client computer including an imaging device and one or more servers executing at least one decoding process. The client computer can be configured to acquire an image of decodable indicia and to process the acquired image by: (i) identifying one or more areas of interest within the image; (ii) cropping the image based on the identified areas of interest; (iii) clipping one or more images from the image based on the identified areas of interest; (iv) increasing or reducing a pixel resolution of at least part of the image; (v) converting the image to a grayscale image or to a monochrome image; and/or (vi) compressing the image using a compression algorithm. The decoding process can be configured, responsive to receiving a decoding request comprising the processed image, to decode the decodable indicia and to transmit the decoding operation result to the client computer.
US09755698B2 Wireless power transmission apparatus
A power-supplying module and a power-receiving module are positioned so that a coil surface of a power-supplying resonator in the power-supplying module and a coil surface of a power-receiving resonator in the power-receiving module face each other. On the inner circumferential surface sides of the coils of the power-supplying resonator and the power-receiving resonator, cylindrical magnetic members and which cover the entire inner circumferential surfaces of the coil of the power-supplying resonator and the coil of the power-receiving resonator are arranged. When power transmission between the power-supplying resonator and the power-receiving resonator is performed, while varying the magnetic field, magnetic field occurring around the power-supplying resonator and the power-receiving resonator is shielded by the magnetic members. This improves power transmission efficiency of power transmitted from the power-supplying module to the power-receiving module, as compared with a case of arranging no magnetic members.
US09755692B2 Systems and methods for phase noise mitigation
A system for phase noise mitigated communication including a primary transmitter that converts a digital transmit signal to an analog transmit signal, a primary receiver that receives an analog receive signal and converts the analog receive signal to a digital receive signal, an analog self-interference canceller that samples the analog transmit signal, generates an analog self-interference cancellation signal based on the analog transmit signal, and combines the analog self-interference cancellation signal with the analog receive signal and a digital self-interference canceller that samples the digital transmit signal, generates a digital self-interference cancellation signal based on the digital transmit signal, and combines the digital self-interference cancellation signal with the digital receive signal.
US09755689B2 Integrated circuit
Wireless communication wherein channel estimation accuracy is improved while keeping the position of each bit in a frame, even when a modulation system having a large modulation multiple value is used for a data symbol. An encoding operation encodes and outputs transmitting data (bit string) and a bit converting operation converts at least one bit of a plurality of bits constituting a data symbol to be used for channel estimation, among the encoded bit strings, into ‘1’ or ‘0’. A modulating operation modulates the bit string inputted from the bit converting operation by using a single modulation mapper and a plurality of data symbols are generated.
US09755684B2 Electronic device including antenna device
An electronic device including an antenna device is provided. The electronic device includes a case member, a frame disposed around a periphery of one surface of the case member, forming sidewalls, and an antenna device for transmitting and receiving wireless signals. The antenna device includes a first radiation conductor forming a first part of the frame, a second radiation conductor disposed in a vicinity of the first radiation conductor, forming a second part of the frame, a third radiation conductor provided on the case member and connected to a first power supply of the electronic device, together with the first radiation conductor, and a fourth radiation conductor provided on the case member and connected to a ground of the electronic device. At least a part of the fourth radiation conductor is disposed in a vicinity of the second radiation conductor.
US09755681B2 Radio-frequency front-end and receiver
The present invention relates to various embodiments of a Radio-Frequency (RF) front-end for use in a receiver, a diversity receiver and a method for operating a diversity receiver.
US09755680B2 Circuits for field-programmable receiver front ends
Circuits for field-programmable receiver front ends are provided. These front ends can include a field programmable common source low noise transconductance amplifier (LNTA), a field programmable common gate LNTA, first and second four-phase I/Q mixers, first, second, third, and fourth transimpedance amplifiers, an I-path complex combiner, and a Q-path complex combiner. Transconductance cells in each of the field programmable common source LNTA and field programmable common gate LNTA can be programmed to operate in one of a class-AB mode, a class-C mode, and an OFF mode.
US09755679B1 Load dependent receiver configuration
A communication device is disclosed. The communication device includes a receiver, a transmitter, a memory, a sensor to measure antenna detuning, a plurality of receiver configurations stored in the memory. Each of the plurality of receiver configurations include parameter-value pairs and a control unit, coupled to the sensor and the receiver, to select a receiver configuration from the plurality of receiver configurations based on an output of the sensor. The control unit is configured to alter a processing behavior of the receiver by altering values of receiver control parameters according to the parameter-value pairs.
US09755677B2 Testing tone free close loop notch frequency calibration for delta-sigma data converters
A cellular radio architecture that includes a receiver module having a delta-sigma modulator that converts analog signals to digital signals and a Fast-Fourier transform (FFT) circuit that converts the digital signals to frequency spectrum signals. The architecture also includes a moving average circuit that smoothes out the frequency spectrum signals by applying a moving average to the signals. The architecture further includes a differentiator circuit that differentiates the frequency spectrum signals to make the signals linear, and a minimum finding circuit that converts the differentiated frequency spectrum signals into positive values for frequencies above a notch frequency in the differentiated signals and negative values for frequencies below the notch frequency in the differentiated signals. A transition between the positive and negative values is compared to a desired notch frequency value, and if the difference is greater than a predetermined threshold, an adaptive control circuit calibrates the modulator.
US09755675B2 Distortion compensation device and distortion compensation method
A distortion compensation device coupled to an amplifier configured to amplify power of a transmission signal, the distortion compensation device including a memory, and a processor coupled to the memory and the processor configured to obtain the transmission signal sampled with a first sampling rate, obtain the transmission signal sampled with a second sampling rate, the second sampling rate being higher than the first sampling rate, extract an odd-order harmonic from the transmission signal sampled with the second sampling rate, correct a phase and an amplitude of the odd-order harmonic, add the corrected odd-order harmonic to the transmission signal with a first sampling rate, and output, toward the amplifier, the transmission signal to which the corrected odd-order harmonic is added.
US09755671B2 VSWR detector for a tunable filter structure
Embodiments of radio frequency (RF) filter front-end circuitry are disclosed that include a tunable RF filter structure having weakly coupled resonators and a Voltage Standing Wave Ratio (VSWR) control circuit. The VSWR control circuit is configured to detect a VSWR at a terminal of the tunable RF filter structure and to dynamically tune the tunable RF filter structure based on the VSWR. In this manner, the VSWR control circuit tunes the tunable RF filter structure to improve performance of tunable RF filter structure over variations in the VSWR.
US09755670B2 Adaptive load for coupler in broadband multimode multiband front end module
Directional couplers for front end modules (FEMs) are disclosed that include a first port configured to receive a radio-frequency (RF) signal, a second port connected to the first port via a first transmission line and configured to provide an RF output signal, a third port connected to a second transmission line, the second transmission line being electromagnetically coupled to the first transmission line, and a fourth port connected to the second transmission line. The directional couplers further include an adaptive complex termination circuit connected to the fourth port and configured to provide an adaptive complex termination impedance selected to optimize combined performance of the directional couplers over multiple frequency bands.
US09755669B2 Variation calibration for envelope tracking on chip
Techniques and examples pertaining to variation calibration for envelope tracking on chip are described. Envelope tracking (ET) statistics among multiple wireless-capable mobile devices (e.g., smartphones) may be collected in laboratory. Optimal ET parameters may be determined based on ET statistics. An ET setting file may be generated for ET factory calibration. In production lines, the ET setting file may be loaded into each mobile device for ET factory calibration.
US09755668B2 Radio frequency complex reflection coefficient reader
A radio frequency (RF) circuitry includes a device that taps a transmission line and picks up some of electromagnetic signals traveling in both directions. The RF circuitry includes a first detector, a second detector, a third detector, and a processor. The first detector measures a power of a first portion of the tapped electromagnetic signal travelling in one direction. The second detector measures a power of a first portion of the tapped electromagnetic signal travelling in the other direction. The third detector measures a power of a combined signal which includes a second portion of the tapped electromagnetic signal travelling in the one direction and a second portion of the tapped electromagnetic signal travelling in the other direction. The processor determines, based on outputs from the detectors, a relative magnitude and a relative phase of the electromagnetic signals.
US09755667B1 Methods and systems for parallelizing high throughput iterative decoders
Methods and systems are disclosed for decoding codewords, wherein codewords comprise at least one circulant and are stored in a first dimension of a matrix, and wherein each circulant in a codeword is associated with a location in a second dimension in the matrix. The method includes determining whether a first location in a second dimension of a first circulant of a first codeword corresponds to a second location in the second dimension of a second circulant of a second codeword. The method includes, in response to determining that the first location does not correspond to the second location, decoding the first and second circulant with a first decoding process. The method includes, in response to determining that the first location corresponds to the second location, decoding the first and second circulant with a second decoding process.
US09755666B2 Adaptive desaturation in min-sum decoding of LDPC codes
A system implements adaptive desaturation for the min-sum decoding of LDPC codes. Specifically, when an-above threshold proportion of messages from check nodes to variable nodes (CN-to-VN messages) are saturated to a maximum fixed-precision value, all CN-to-VN messages are halved. This facilitates the saturation of correct messages and boosts error correction over small trapping sets. The adaptive desaturation approach reduces the error floor by orders of magnitudes with negligible add-on circuits.
US09755662B2 Data transmission method and apparatus
A data transmission method, which can improve an error correction capability during decoding, includes: determining, by a transmit end, a target code length L and an original code length K; generating an initial code block according to the original code length K, where the initial code block includes 2K initial code words; generating a superposition code block according to the target code length and an arrangement order of the 2K initial code words in the initial code block, and superposing the initial code words and the corresponding superposition code words to generate the block code words in the block code set, so that a difference between feature code distances in the block code set is ±1 or 0, where the feature code distance is a code distance between the block code words.
US09755661B1 Method for coding data
A method for coding data includes: representing a first data in digital form as digital information; transforming the digital information into a first Gaussian integer; determining a relationship between the first Gaussian integer and a second Gaussian integer; and deriving, based on the determined relationship, a key for converting between the first Gaussian integer and the second Gaussian integer so as to associate the first data with a second data represented by the second Gaussian integer. The present invention also provides a system and a non-transient computer readable medium for implementing the method.
US09755658B2 Method and a device for analog-to-digital conversion of signals, corresponding apparatus
One or more first signals and one or more second signals, wherein the second signal(s) are slowly varying or low frequency signals in comparison with the first signals and are converted from analog to digital by sampling the first signals and the second signals to produce samples thereof for analog-to-digital conversion, subjecting the samples of the first signals to conversion to digital at a certain conversion rate, subjecting the samples of the second signal to conversion to digital by segments so that these segments are subjected to conversion to digital along with the samples of the first signals at the respective conversion rate, and reconstructing digital converted samples of the second signal from the segments subjected to conversion to digital.
US09755650B1 Selectively disabled output
Circuits, methods, and apparatus are directed to an integrated circuit having a disabling element that can disable a reading of data from the circuit. Once the disabling element is set to not allow a reading of the data, the disabling element cannot be changed to allow a reading of the data. The data may be configuration data or internal data stored within the integrated circuit. Examples of the disabling element include a memory element, a break in a circuit line, and an input pad configuration.
US09755646B2 Input/output buffer circuit for avoiding malfunctioning in processing signals
An input/output (I/O) buffer circuit includes an I/O unit, a first register and a second register. The I/O unit selectively transmits digital signals and analog signals according to a first enable signal, and selectively receives signals and outputs signals at an I/O terminal according to a second enable signal. The first register latches a first control signal received before power is turned off, and outputs the first enable signal corresponding to the first control signal to the I/O unit when power is turned on. The second register latches a second control signal received before power is turned off, and outputs the second enable signal corresponding to the second control signal to the I/O unit when power is turned on.
US09755643B2 Semiconductor device including buffer circuit and level shifter circuit, and electronic device including the same
To provide a semiconductor device that inhibits unexpected output of a high-level signal immediately after the rise of a power supply voltage. The semiconductor device includes a first buffer circuit, a level shifter circuit, and a second buffer circuit. A first potential is supplied to the first buffer circuit, and a second potential is supplied to the level shifter circuit and the second buffer circuit; consequently, the semiconductor device returns to a normal state. When the semiconductor device returns to a normal state, the second potential is supplied, so that the potential of a node in the level shifter circuit increases. To utilize the increase in the second potential or suppress malfunction due to the increase in the potential, capacitors are provided in the level shifter circuit. This inhibits unexpected operation of a transistor in the level shifter circuit.
US09755642B2 Low cost CMOS chip with tape automated bonding (polyamide)
In view of the foregoing, an embodiment herein provides a low cost system. The system includes a bipolar array, a CMOS chip. The bipolar array includes one or more bipolar integrated circuits. The CMOS chip is programmed by a single level of metal. The bipolar array and the CMOS chip is mounted on a substrate using TAB polyamide. The TAB includes a polyamide film with one or more metal patterns chemically etched by programming three metal layers simultaneously to obtain one or more components. The one or more components are mounted in a package, and a small system can be realized. An external capacitor supplies an ac power source to the bipolar array. The bipolar array produces a rectified voltage and a lower voltage power for the enhanced gate array. An output of the enhanced gate array drives bipolar drivers of DC motor, stepper motor, BLDC motor, and LED assemblies.
US09755641B1 High speed high voltage switching circuit
A control circuit for an electronic switch includes a first power switch receiving a common input signal and a first voltage input and a second power switch receiving the common input signal and a second voltage input. The first and second power switches switchably connect the first voltage input and the second voltage input, respectively, to a common output in response to the common input signal. The second voltage input is opposite in polarity to the first voltage input, and the first power switch and the second power switch are configured to asynchronously connect the first voltage input and the second voltage input, respectively, to the common output in response to the common input signal, the electronic switch being switched according to the first voltage input or the second voltage input being connected to the common output.
US09755640B2 Resistive input system with resistor matrix
A resistive input system is disclosed, which includes a resistor matrix. The resistor matrix includes M first traces, N second traces, and M*N resistors. First ends of the resistors of a same column are coupled to one of the M first traces, second ends of the resistors of a same row are coupled to one of the N second traces, M is integers greater than 1, and N is integers greater than and equal to 1. The M*N resistors include variable resistors. A measurement circuit measures variations of a first voltage level of each of the second traces while a power control circuit provides the first voltage to the one of the M first traces and the second voltage to the rest of the M first traces. At least one input point is determined according to the variation of the first voltage level of each of the second traces.
US09755637B2 Drive circuit for semiconductor element and semiconductor device
A primary circuit produces a first on-pulse and a first off-pulse synchronized with a rising edge and a falling edge of an input signal, respectively. A level shift circuit produces a second on-pulse and a second off-pulse formed by shifting the voltage level of the first on-pulse the first off-pulse, respectively. A secondary circuit outputs an output pulse rising and falling in synchronization with the second on-pulse and the second off-pulse, and holds the output when both of the pulses are high. When the reference potential rises, the pulse corresponding to the state of the input signal during the rise of the second potential in the first on-pulse and the first off-pulse is regenerated and one of the second on-pulse and the second off-pulse is thereby made high after the end of the rise of the second reference potential to retransmit the state of the input signal.
US09755633B2 Semiconductor device
To provide a semiconductor device in which external correction can be performed, the area occupied by a read circuit is reduced, and power consumption is reduced. One embodiment of the semiconductor device includes a pixel and a read circuit. The pixel includes a transistor and a display element. The read circuit includes a function selection portion and an operational amplifier. The transistor is electrically connected to the function selection portion through a wiring. The operational amplifier is electrically connected to the function selection portion. The function selection portion includes at least one switch. The function selection portion can select a function of the read circuit by controlling the switch.
US09755632B2 Cascode voltage generating circuit and method
A cascode voltage generating circuit and method are provided. The circuit includes four switching elements. In a high voltage operation mode, the first and second switching elements, respectively, couple a first intermediate voltage input node to a first intermediate voltage output node, and a second intermediate voltage input node to a second intermediate voltage output node. In a low voltage operation mode, the third switching element couples the first and second intermediate voltage input nodes to a ground reference voltage level, and the fourth switching element couples the first and second intermediate voltage output nodes to a supply voltage level.
US09755629B2 Current-controlled active diode
This application relates to an active diode circuit for letting current pass in one direction and blocking current in the opposite direction. The active diode circuit comprises a transistor, a control voltage generation circuit for generating a control voltage that is supplied to a control terminal of the transistor, and a sensing circuit for detecting a quantity indicative of a current flowing through the transistor. The control voltage generation circuit generates the control voltage in dependence on the detected quantity. The application further relates to a method of controlling a transistor to function as an active diode so that current may pass in one direction and is blocked in the opposite direction.
US09755628B2 Driving circuit, converter and driving method
A driving circuit includes a main output terminal electrically coupled to a switch element, a first voltage generating circuit and a second voltage generating circuit. The first voltage generating circuit is electrically coupled with the main output terminal. The first voltage generating circuit comprises a first comparator and a voltage divider circuit. The first voltage generating circuit is configured to generate a first voltage at the main output terminal during a predetermined time interval of a turn-on duration of a switching period. The second voltage generating circuit is electrically coupled with the main output terminal. The second voltage generating circuit is configured to generate a second voltage at the main output terminal during a remaining time interval of the turn-on duration of the switching period. The predetermined time interval is ahead of the remaining time interval, and the first voltage is higher than the second voltage.
US09755626B2 Semiconductor integrated circuit device having delay circuit
A semiconductor integrated circuit device may include a first circuit, a second circuit, and a delay circuit. The first circuit may include an output node. The second circuit may include an output node. The delay circuit may be coupled between the output node of the first circuit and the output node of the second circuit to selectively delay an output signal from the first circuit and an output signal from the second circuit.
US09755625B2 Pulse generator and driving circuit comprising the same
A pulse generator includes a first inverter configured to inverse an input pulse and output a result, a second inverter configured to inverse the output of the first inverter and output a result, a clamp inverter configured to generate a clamping voltage by clamping the output of the second inverter and generate an output pulse through a source follower which operates according to the clamping voltage, and a temperature compensator configured to compensate for variations in the clamping voltage caused by temperature change.
US09755620B1 Device for detecting and correcting timing error and method for designing typical-case timing using the same
A device for detecting and correcting timing error and a method for designing typical-case timing using the same is disclosed. The device includes two datapath units connected with first and second multiplexers and two transition detectors. Each datapath unit receives and calculates an input signal to generate a speculation value and a correct value. Then, the speculation value and the correct value are transmitted to the first and second multiplexers and the transition detectors determine whether transition of the outputted speculation value is unstable. If yes, the datapath unit outputting the speculation value is stalled for a period of time for correction, whereby the second multiplexer outputs the correct value. If no, the datapath unit outputs the speculation value, then the present invention uses the undertaken timing as a setting specification to complete a circuit design. The present invention can improve system efficiency and power of the whole circuit.
US09755614B2 Tunable filter
A tunable filter is a ladder circuit tunable filter including serial arm resonators and a parallel arm resonator. The serial arm resonators and the parallel arm resonator include elastic wave resonators. Variable capacitors are connected in series to the serial arm resonators, a variable capacitor is connected in parallel to the parallel arm resonator, and first inductors are connected in series to the serial arm resonators. When an impedance at a resonant frequency of the serial arm resonators is Zrs and an impedance at a resonant frequency of the parallel arm resonator is Zrp, a ratio Zrs/Zrp is not greater than 1.
US09755612B2 Method for creating a resonator
A method for manufacturing a resonator in a substrate, including: a) modifying a structure of at least one region of the substrate to make the at least one region more selective; b) etching the at least one region to selectively manufacture the resonator.
US09755608B1 Generating squeezed states of the microwave field left-handed transmission line resonator
A technique relates to a superconducting microwave device. A left-handed resonator include at least one unit cell. A non-linear dispersive medium is connected to the left-handed resonator, such that one end of the left-handed resonator is connected to the non-linear dispersive medium and an opposite end of the left-handed resonator is connected to a port. The left-handed resonator and the non-linear dispersive medium are configured to output a quantum signal in a squeezed state.
US09755606B2 Common mode filter and ESD-protection-circuit-equipped common mode filter
On a first-signal-line side, a first resonant circuit is defined by a first inductance element, a first capacitance element, a second capacitance element, a third inductance element and a fifth inductance element, a third resonant circuit is defined by the first inductance element, the first capacitance element and the second capacitance element, and a fifth resonant circuit is defined by the first inductance element, the third inductance element, the first capacitance element, the second capacitance element and the fifth capacitance element. Similarly, on a second-signal-line side, a second resonant circuit, a fourth resonant circuit and a sixth resonant circuit are provided.
US09755605B1 Volume control
This disclosure generally pertains to volume control of audio output by a device. A piecewise curve may be used to implement volume control using two or more curves segments. The piecewise curve may be implemented by a signal converter. The curve segments may be selected to provide volume control that provides incremental changes in amplification at mid-level to high level volumes, while providing anticipated amplification at lower volumes which satisfy users' expectations. In some instances, different piecewise curves may be selected for different types of audio so that these different types of audio are provided to users at an expected volume and/or in a meaningful way. When multiple audio outputs occur at a same time, the piecewise curves associated with some of the audio outputs may be dynamically adjusted or updated based on the presence of the other ones of the multiple audio outputs and/or ambient noise.
US09755604B2 Audio systems and methods employing an array of transducers optimized for particular sound frequencies
Systems and methods for generating sound, detecting sound, and generating and detecting sound are provided. An array of audio transducers can be provided whereby each audio transducer in the array can be optimized for a narrow range of sound frequencies. When operating at or close to its resonant frequency, a transducer can generate (and/or detect) sound with a higher efficiency and less distortion as compared to other frequencies. Accordingly, sound may be divided into component signals such that each transducer is only responsible for generating (and/or detection) sound close to its resonant frequency. This sound reproduction (and/or detection) technique can increase efficiency, and therefore, can increase the total output volume that an array can generate using a given amount of input power when generating sound (and/or increase the total output power that an array can generate using a given amount of input volume when detecting sound).
US09755596B2 Method and apparatus for changing the gain of a radio frequency signal
A method and electronic circuit for changing the gain of a radio frequency signal. The apparatus is an electronic circuit comprising one or more variable gain electronic elements, and one or more adjustable phase shifting elements. The method comprises the steps of receiving a radio frequency signal, varying the gain of the variable gain electronic element while the variable gain electronic element changes the amplitude of the radio frequency signal, and adjusting an adjustable phase shifting element to generate a reverse phase shift in the radio frequency signal in response to the associated phase shift from the step of varying the gain.
US09755595B1 Settling time reduction for low noise amplifier
A device includes: a transistor having an input terminal configured to receive an input signal and to amplify the input signal; a bias current source configured to set a bias current of the input terminal of the transistor, the bias current source having a control input for receiving a control signal for selecting the bias current to have one of a plurality of selectable bias current levels; a bias resistance connected between the bias current source and the input terminal of the transistor; a bypass switch for selectively bypassing a first part of the bias resistance; and a control circuit for controlling the bypass switch to bypass the part of the bias resistance for a predefined time period in response to a change in the bias current level, and for controlling the bypass switch to stop bypassing the first part of the bias resistance after the predefined time period expires.
US09755591B2 Dual stage low noise amplifier for multiband receiver
An apparatus including: a plurality of amplifiers having a plurality of output ports, respectively, the plurality of amplifiers configured to amplify radio frequency (RF) signals received from at least one antenna; a plurality of demodulators configured to receive the amplified RF signals at a plurality of input ports, respectively, the plurality of demodulators configured to downconvert the received RF signals; and a plurality of switches configured to couple selected output ports of the plurality of amplifiers to selected input ports of the plurality of demodulators, wherein each switch of the plurality of switches is configured such that at least one of the plurality of output ports of the plurality of amplifiers is selectively coupled to any of multiple input ports of the plurality of input ports of the plurality of demodulators.
US09755590B2 Circuits for low noise amplifiers
Low noise amplifiers (LNAs) are provided, the LNAs comprising: a common gate matching network; a capacitord; a resistord; a coild, wherein a side1 of coild is coupled to a side1 of capacitord, a side1 of resistord, and a V+ and a side2 of the coild is coupled to a side2 of capacitord, a side2 of resistord, and a network input; a capacitors; a resistors; a coils, wherein a side1 of coils is coupled to an LNA input, a side1 of capacitors, a side1 of resistors, and a network output and a side2 of coils is coupled to a side2 of the capacitors, a side2 of resistors, and ground; and an output coil that is magnetically coupled to coild and coils and having a side1 coupled to a first terminal of an LNA output and a side2 coupled to a second terminal of the LNA output.
US09755587B1 Integrated RF limiter
A limiter circuit is integrated into an RF power amplifier. The limiter circuit automatically starts adding attenuation at the input of the RF power amplifier after a predetermined input power level threshold is exceeded, thereby extending the safe input drive level to protect the amplifier. In a preferred embodiment of the invention, the limiter circuit is implemented using a pseudomorphic high electron mobility transistor (PHEMT) device or a metal semiconductor field effect transistor (MESPET) device. Diode connected transistors or Schottky diodes may also be used in the limiter circuit.
US09755586B2 Radiofrequency power limiter, and associated radiofrequency emitter and/or receiver chain and low-noise amplifying stage
This radiofrequency power limiter includes at least one transistor, a drain of the transistor being directly connected to a mesh connecting an input to an output of the limiter, a source of the transistor being connected to a common reference potential, and a gate of the transistor being connected to a common control potential. The transistor is not biased between its drain and its source during operation of the limiter.
US09755584B2 Amplifier
According to one embodiment, an amplifier includes: a transistor; a ground circuit connected to a ground terminal of the transistor; a first capacitor connected between an output terminal of the transistor and the ground circuit; a first inductor connected to the output terminal of the transistor; a second capacitor connected between the first inductor and the ground circuit; a bias circuit connected between the first inductor and the ground circuit; a first circuit connected to the output terminal of the transistor, the first circuit including a second inductor and a third capacitor connected in series to the second inductor; a fourth capacitor connected between the first circuit and a load circuit; a fifth capacitor connected between an output terminal of the first circuit and the ground circuit; and a third inductor connected between a terminal on a load circuit side of the fourth capacitor and the ground circuit.
US09755581B2 Method and system for linearizing a radio frequency power amplifier
A method and system for linearizing a Radio Frequency Power Amplifier (RFPA) is disclosed. The method comprises calibrating signals in the RFPA to linearize the RFPA, using at least one of a first signal, a second signal, a third signal, and a fourth signal. The first signal is generated corresponding to ambient temperature. The second signal is generated corresponding to process corner of transistors in the RFPA. The third signal is generated corresponding to power supply voltage. The fourth signal is generated by feeding back output of the RFPA.
US09755577B2 Predistortion in radio frequency transmitter
A power amplifier circuit includes an amplifier MOSFET and a predistorter MOSFET. The predistorter MOSFET source and drain are connected together, and the predistorter MOSFET is connected between the gate of the amplifier MOSFET and a second bias voltage signal. This biasing of the predistorter MOSFET causes it to provide a nonlinear capacitance at the gate of the amplifier MOSFET. The combined non-linear capacitances of the amplifier MOSFET and predistorter MOSFET provide predistortion that promotes cancellation of the distortion or nonlinearity contributed by the amplifier MOSFET alone.
US09755574B2 Injection-locked oscillator and method for controlling jitter and/or phase noise
Various aspects of an injection-locked oscillator and method for controlling jitter and/or phase noise are disclosed herein. In accordance with an embodiment, an injection-locked oscillator includes one or more circuits that are configured to receive a pair of complementary phase output signals from one or more gain stages of the injection-locked oscillator. The one or more circuits may be configured to receive one or more switching signals. The received pair of complementary phase output signals are shorted by use of the one or more received switching signals. The shorting reduces the phase difference between an input signal and an output signal of the injection-locked oscillator.
US09755573B2 Photovoltaic roofing elements and photovoltaic roofing systems
The present invention relates generally to the photovoltaic generation of electrical energy. The present invention relates more particularly to photovoltaic arrays for use in photovoltaically generating electrical energy. Aspects of the present invention provide a variety of photovoltaic roofing elements and systems that include, for example, interlocking geometries to provide for water handling and integration with conventional roofing materials; and wire management features that can protect wiring and associated electrical components from physical and/or environmental damage.
US09755566B2 Controller and control method for machine tool capable of changing motion depending on motor temperature
A controller and a method for a machine tool, capable of discriminating the factors in overheating, and taking appropriate measures depending on each factor. A first amplifier of the controller has an acceleration/deceleration judging part which judges as to whether the spindle motor is accelerated or decelerated; a first temperature estimating part which estimates a first amount of change in temperature of the spindle motor when the spindle motor is in the acceleration/deceleration state; a second temperature estimating part which estimates a second amount of change in temperature of the spindle motor when the spindle motor is in the steady state; a comparing part which compares the first and second estimated values. A numerical controlling part of the controller transmits an operation command for changing the operation of at least one of the spindle motor and a feed shaft motor, when the spindle motor is overheated.
US09755564B2 Controller for motor generator
An alternating current that is to be supplied to a motor generator is controlled by controlling an inverter using a target output of the motor generator and a result of detection of an angle-of-rotation sensor, and a voltage step-up is controlled in accordance with the target output of the motor generator. During operation of the motor generator, a stepped-up voltage obtained through the step-up converter is set to be higher (S13) when learning of the point of origin of the angle-of-rotation sensor has yet to be completed (S11), than when learning of the point of origin of the angle-of-rotation sensor has been completed. This eliminates malfunctions occurring in motor operation when learning of the point of origin of the angle-of-rotation sensor has yet to be completed.
US09755561B2 Power supply device
A power supply device includes: a first electric power line; a second electric power line; a first boost converter; a second boost converter; a first current sensor; a second current sensor; a third current sensor; and an electronic control unit. The electronic control unit is configured to determine that a third switching element of the second boost converter has an on-failure when a battery current is a value at a time of being discharged from a battery, a first reactor current is a value at a time of passing from a side of a second positive electrode line to a side of a first center point, and a second reactor current is a value at a time of passing from a side of a second center point to a side of a second positive electrode line.
US09755549B2 Three level neutral point clamped converter with improved voltage balancing
An NPC converter is controlled by estimating current flow during the short vector periods of a space vector modulation drive signal. The current estimation is used to close a first order inner current regulator loop that steers current to either the upper capacitor or the lower capacitor of a DC link. An outer voltage regulator measures the voltage imbalance across the capacitors and drives the inner current loop. By managing the associated duty cycle of each vector a bias current is formed that balances the capacitor voltages.
US09755548B2 Bootstrap compensation circuit and power module
A bootstrap compensation circuit includes: a plurality of resistors series-connected between a floating potential corresponding to a high-voltage-side potential and a reference potential; a second capacitor that has one end connected to a divided potential extraction point and has the other end connected to the reference potential, the divided potential extraction point located between the plurality of resistors; and an output circuit which supplies current to a first capacitor, according to a potential of the divided potential extraction point.
US09755546B2 PWM controlled neutral point clamped multilevel converter
A neutral point clamped, multilevel level converter includes a DC voltage link; a first capacitor coupling one side of the DC link to a neutral point; a second capacitor coupling another side of the DC link to the neutral point; a plurality of phase legs, each phase leg including switches, each phase leg coupled to an AC node; a current sensor associated with each AC node; and a controller generating a PWM signal to control the switches, the controller generating a current zero sequence component in response to current sensed at each of the current sensors, the controller adjusting a modulation index signal in response to the current zero sequence component to produce the PWM signal.
US09755542B2 Direct-current power transmission power conversion device and direct-current power transmission power conversion method
In a power converter which performs power conversion between plural-phase AC and DC, variation in voltage of the DC capacitor in each converter cell is detected, and when the variation exceeds a predetermined value, a DC voltage command value as a control target value in a DC voltage control unit which controls DC voltage between DC buses is corrected by being increased or decreased. Thus, when AC grid failure occurs, the capacitor voltage of each converter cell is maintained and the operation continuity is improved.
US09755541B2 AC-DC converter with inrush current limitation
An AC/DC converter includes: a first terminal and a second terminal for receiving an AC voltage and a third terminal and a fourth terminal for supplying a DC voltage. A rectifying bridge includes input terminals respectively coupled to the first terminal and the second terminal, and output terminals respectively coupled to the third terminal and fourth terminal. A first branch of the rectifying bridge includes, connected between the output terminals, two series-connected thyristors with a junction point of the two thyristors being connected to a first one of the input terminals. A second branch of the rectifying bridge is formed by series connected diodes. A control circuit is configured to generate control signals for application to the control gates of the thyristors.
US09755540B2 Apparatus, system and method for providing power anywhere in a retail store environment
A voltage conversion apparatus for providing power anywhere within, for example, a retail store environment is provided. The voltage conversion apparatus includes a mounting structure that can mount the apparatus near a ceiling of the retail store environment. Also, the voltage conversion apparatus includes a voltage converter for converting voltage from an existing high voltage power source. The voltage conversion apparatus is configured to connect to the existing high voltage power source, convert the voltage from the power source and deliver the converted voltage to any location within the retail store environment. The voltage conversion apparatus is also configured to be modular and can be quickly, easily and safely mounted to different locations of the retail store environment as needed.
US09755537B2 Multi-cell power conversion method with failure detection and multi-cell power converter
A power converter includes a plurality of first converter cells, a plurality of second converter cells, and a plurality of DC link capacitors. Each DC link capacitor links one of the plurality of first converter cells and one of the plurality of second converter cells. A failure management unit is configured to detect a faulty converter cell, and to deactivate the faulty converter cell while maintaining a power conversion operation of the power converter.
US09755533B2 Resonant inverter and resonant power source unit
A resonant inverter is provided that includes a first switch and a second switch alternately turned on and off, a first inverter including the first switch and a first resonant circuit including a first coil and a first capacitor, and a second inverter including the second switch and a second resonant circuit including a second coil and a second capacitor. The first coil, the second coil, and a third capacitor constitute a third resonant circuit.
US09755527B2 Switching power supply device
A switching power supply device includes an output voltage detection unit that outputs an output voltage detection value. The control circuit includes: a target voltage generation unit that generates an output voltage setting value; an A/D conversion unit that A/D converts an error between the output voltage setting value and the output voltage detection value; a digital compensation unit that computes an amount of control based on an output signal of the A/D conversion unit; and a PWM signal generation unit that generates a PWM signal for the switching element based on the amount of control. The target voltage generation unit detects a standby state based on the output voltage detection value, the output signals of the A/D conversion unit and the digital compensation unit, and in the standby state, switches the output voltage setting value to a second value lower than a value for another state.
US09755522B2 Method and device for controlling a multiphase resonant DC/DC converter, and corresponding multiphase converter
A method for controlling a multiphase resonant DC/DC converter comprising a plurality of identical elementary resonant DC/DC converters connected in parallel. The method comprises the steps of measuring each of the supply currents (IR1, IR2, . . . IRn) of the elementary converters for balancing the supply currents (IR1, IR2, . . . IRn) and controlling switching frequencies (F1, F2, . . . Fn) of the elementary converters according to the supply currents (IR1, IR2, . . . IRn), so as to carry out the balancing. The supply currents (IR1, IR2, . . . IRn) are measured in the elementary DC/DC converters in order to balance these same currents.
US09755520B2 Coupled-inductor power-supply controller for operating a power supply in a reduced-power-dissipation mode
An embodiment of a power-supply controller includes first and second circuits. The first circuit is operable to cause a first current to flow through a first phase of a power supply. And the second circuit is operable to cause the second phase of the power supply to operate in a reduced-power-dissipation mode for at least a portion of a time period during which a second current magnetically induced by the first current flows through the second phase.
US09755515B2 Switching regulator current sensing circuits and methods
In one embodiment, a switching regulator includes an inductor, a first switch, and a second switch. The first and second switches generate current in the inductor. Inductor current may flow through the second switch with both a positive and negative polarity. Voltages on terminals of the second switch may be sensed, and an offset applied to generate a level shifted signal. In one embodiment, the switching regulator is a boost switching regulator, and the offset is generated using a current source. Matched MOS transistor switches may be used to couple voltages on terminals of the second switch to amplifier inputs, and the offset is introduced across an MOS switch coupled between one amplifier input and the output.
US09755512B2 Digital auto compensation for voltage regulators
Auto-compensation—for compensating voltage regulators generating a regulated output voltage—may be performed dynamically by determining various coefficients of a compensation function used in compensating the power regulator, based at least on assumptions about the structure of the regulator and corresponding filters. At least the DC loop gain and the position of the compensation zeros may be determined without requiring any prior knowledge of the values of the various components of the system. The compensator coefficients may be adjusted based on duty-cycle jitter information, which may be accurately obtained/measured at a high signal-to-noise ratio. By observing the duty-cycle jitter, the capacitor (equivalent series resistance) may be optimally compensated by tuning the 0 dB crossover slope of the loop gain. Accordingly, auto-compensation may be performed by measuring the duty-cycle jitter while maintaining optimum stability and transient performance.
US09755510B2 Switching power supply
A switching power supply includes: a switching output circuit generating an output voltage from an input voltage according to ON/OFF control of an output transistor by a pulse width modulation (PWM) signal; a first voltage generating circuit generating a first voltage based on a difference between the output voltage and a predetermined reference voltage; a second voltage generating circuit generating a triangular second voltage; a comparing circuit generating a comparison signal by comparing the first voltage and the second voltage; a clock oscillating circuit generating a clock signal; and a logic circuit generating a PWM signal in response to the clock signal and the comparison signal, wherein the second voltage generating circuit generates the second voltage by adding a first slope voltage having a first slope and a second slope voltage having a second slope according to current flown through the switching output circuit.
US09755509B2 Control circuit for switching power supply
A power supply circuit is configured including a control circuit together with an output circuit including an external circuit component. A switching controller controls a switching transistor and a synchronous rectification transistor each configured as a switching element. A degradation detection circuit monitors a detection signal having a correlation with characteristic degradation of the circuit component, and detects the degree of characteristic degradation of the circuit component. The switching controller is capable of changing its operation according to the degree of characteristic degradation of the circuit component.
US09755506B2 Efficient voltage conversion
An apparatus for providing on-chip voltage-regulated power includes a switched capacitor voltage conversion circuit that receives an elevated power demand signal and operates at a base rate when the elevated power demand signal is not active and at an elevated rate when the elevated power demand signal is active. The switched capacitor voltage conversion circuit comprises an auxiliary set of transistors that are disabled, when the elevated power demand signal is not active and enabled, when the elevated power demand signal is active. The apparatus may also include a droop detection circuit that monitors a monitored power signal and activates the elevated power demand signal in response to the monitored power signal dropping below a selected voltage level. The monitored power signal may be a voltage input provided by an input power supply for the switched capacitor voltage conversion circuit. A corresponding method is also disclosed herein.
US09755494B1 Hybrid magnetic engine/generator apparatus and method
An improved hybrid magnetic engine/generator apparatus and method includes a shaft. A pair of oppositely positioned ferrous metal arms is connected to the shaft where the ferrous metal arms include a first end and a second end. Wire is wrapped in non-overlapping fashion around the ferrous metal arms and the wire includes a positive power connection and a negative power connection. A power source is connected with positive power connection and the negative power connection. A stacking magnet is located at the second end of the ferrous metal arms and an opposing magnet is located opposite from and in proximity to the first end of both of the oppositely positioned ferrous metal arms. A device for selectively connecting with the power source is provided such that the wire is intermittently charged such that polarity at the first end of the ferrous metal arms is intermittently changed.
US09755490B2 Power tool
A power tool includes a housing and a brushless motor, the brushless motor having a stator and a rotor inside the housing, the rotor including a rotor core having a plurality of axially extending through holes and a permanent magnet in each of the plurality of through holes. The rotor is provided with at least one positioning structure by which the rotor core can be held in a desired circumferential orientation while the permanent magnets are inserted into the through holes.
US09755488B2 Stator core with a structure to improve assembly characteristics
Disclosed stator core for motor is comprising: more than one stator core body; a fixing unit, which is arranged at both ends of the stator core body and fixes the stator core body to be a cylindrical shape; a first insulator, which is integrally formed by mold in order to wrap a part of the stator core body and a side surface of plural teeth simultaneously; and a second insulator, which is arranged to have a form corresponding to the first insulator, and which is integrally formed by mold in order to wrap a part of the stator core body and a side surface of plural teeth simultaneously through the assembly with the first insulator, wherein the first simulator and the second simulator are separated from each other by the section wrapping the teeth during the bending process of the stator core body.
US09755482B2 Electric machine with liquid cooling and method of assembling
In one aspect, a stator for use in a liquid cooled electric machine having a rotor is provided. The stator includes a stator body having a radially outer periphery and a radially inner periphery, and at least one first coolant passage extending radially through the stator body from the outer periphery to the inner periphery. The at least one first coolant passage facilitates providing a coolant to an air gap defined between the stator body and the rotor.
US09755479B2 BLDC motor for electrical equiment
A motor may include a rotating body having: a shaft pin; a rotator having a hollow hole through which the shaft pin may pass; a magnet coupled to an inner surface of the rotator; and a fan having a fan housing coupled to an outer surface of the rotator, a hollow hole formed in a center portion of the fan housing, and radial wings. The motor may also include a stator having: a stator core having a hollow hole formed in the center through which the shaft pin may pass, at least one metal core formed to rotate the rotating body with the magnet, and at least one boss protruding downward at a lower end; and a base bracket having a hollow hole through which the shaft pin may pass, at least protrusion on an outer side coupled to the at least one boss.
US09755471B2 Stator of rotary electric machine
In a concentrated winding stator, which has a separated iron core structure, of a rotary electric machine, a length of ear portions 3c of insulating sheets 3, which are protruded between neighboring winding 4, is set as a length by which a creepage distance, which is required for an insulation between the neighboring windings 4, can be secured.
US09755465B2 Method for manufacturing a rotor of a synchronous reluctance motor, a rotor of a synchronous reluctance motor, and a synchronous reluctance motor
The present disclosure relates to rotating electric machines which may be used for industrial applications, to a method for manufacturing a rotor of a synchronous reluctance motor, a rotor of a synchronous reluctance motor, and a synchronous reluctance motor. A rotor of a synchronous reluctance motor according to the present disclosure has a cylindrical rotor body part casted from a superparamagnetic material, and ferromagnetic flux guides arranged inside the casted cylindrical rotor body part. The flux guides are arranged to go through from one side of the outer circumference of the cylindrical rotor part to the other side of the outer circumference of the cylindrical rotor part in the direction of the direct axis of the synchronous reluctance motor.
US09755456B1 Control circuit for wireless power
A power control circuit for wirelessly powering a device is described. The circuit comprises a series of sub-circuits that condition and modify electrical power received from near-field resonant inductive coupling. In addition, the power control circuit consists of a reserve power source of at least one capacitor. A switching circuit consisting of an ideal diode OR-ing circuit is provided that receives and selects between the primary and secondary electrical power sources based on their measured voltages.
US09755454B1 Methods and apparatus for providing redundant power supply protection with power zones for electronic devices
In some embodiments, an apparatus includes a set of power supply units where each power supply units from the set of power supply unit is associated with a power zone from a set of power zones. The apparatus can also includes a redundant power supply unit and a set of electronic devices where each electronic device from the set of electronic devices is associated with a power zone from the set of power zones. Additionally, each electronic device from the set of electronic devices is operatively coupled to a power supply unit from the set of power supply units for that power zone and is also operatively coupled to the redundant power supply unit.
US09755449B2 Controlling power in a multi-port USB power delivery system
Systems and methods may provide for a charger that includes a converter with a battery port, a first bypass switch coupled to a first bus port and the battery port, and a second bypass switch coupled to a second bus port and the battery port. Additionally, a charge controller may use one or more control signals to manage power to be delivered from the first bus port through the first bypass switch to the battery port, and power to be delivered from the second bus port through the second bypass switch to the battery port.
US09755448B2 LED luminaire with integrated battery backup
An LED luminaire with an integrated battery backup is divided into a hidden infrastructure portion and a decorative body portion. The luminaire body has a main lighting deck with at least one LED mounted thereon and a decorative skirt extending from the main lighting deck. A diffuser panel is received over the main lighting deck. The hidden infrastructure portion includes a light fixture housing configured and arranged to be mounted within a building infrastructure, an emergency battery backup assembly received within the light fixture housing wall, and a housing fixture bracket secured within the light fixture housing to support the emergency backup assembly in the upper portion of the light fixture housing.
US09755445B2 Method and apparatus for battery desulfation
A method and apparatus for removing the sulfation from the plates of the battery and driving the sulfate crystals back into the electrolyte solution without overheating the battery is presented. The present invention includes a rotary magnetic hub and coil assembly to produces a unique output not found in other charging systems on the market. The battery desulfation method and apparatus of the present invention is self-adjusting to the battery, regardless of voltage and works by removing the sulfate crystals from the plates of lead acid batteries. As a result, the normal life of the average battery may be greatly extended. Heavily sulfated batteries may be brought back to working condition. When used for short durations for healthy batteries, the present invention keeps the sulfate crystals off the plates and in solution to extend the working life of the battery.
US09755440B2 Charging control device and charging control method
A charging control device includes a plurality of battery packs including a secondary battery therein, one or two or more power input units configured to input power, a power integration unit configured to integrate the power input by the one or two or more power input units to one power, and a main control unit configured to measure the quantity of power input to the power integration unit and determine the quantity of power supplied from the power integration unit to the battery packs based on the measured quantity of power so as to control simultaneous charging of the plurality of battery packs.
US09755435B2 Wireless power converter utilized as a capacitive power transfer system
A direct current (DC) to alternating current (AC) wireless converter apparatus (200) for supplying power to a load connected in a capacitive power transfer system. The apparatus comprises at least two connectors (201, 202) enabling a galvanic contact to at least two supply lines (211, 212) of a DC grid; a driver (203) coupled to the connectors (201, 202) and configured to generate an AC power signal from an input DC signal fed by the at least two connectors, wherein a frequency of the AC power signal substantially matches a series-resonance frequency of the capacitive power transfer system; and at least a pair of transmitter electrodes (204, 205) connected to an output of the driver.
US09755434B2 High speed charge control for power switching devices
Disclosed are systems, devices, apparatus, circuits, methods, and other implementations, including a system that includes one or more power switching devices that receive power delivered by a power unit, and a high-speed charge control circuit electrically coupled to the one or more power switching devices. The high-speed charge control circuit includes an optocoupler coupled to the power unit and further coupled to a first switching device of the high-speed charge control circuit, the first switching device actuated based on output of the optocoupler to establish an electrical path to discharge at least a portion of electrical charge present at least on the one or more power switching devices when power delivery from the power unit is stopped.
US09755432B2 Alternate arm converter
An alternate arm converter includes at least one converter limb that defines first and second limb portions. Each limb portion includes at least one director switch connected in series with a chain-link converter between one of two DC terminals and an AC terminal of the converter. The chain-link converters are operable to generate a voltage waveform at the AC terminal, and the director switches are operable to switch the respective chain-link converters in and out of circuit between the respective DC terminal and the AC terminal. The converter also includes a controller configured to selectively control the switching of each director switch to form a current circulation path including each limb portion and the DC network. The controller, during formation of the current circulation path, forces an alternating current to flow through the current circulation path to transfer energy between the chain-link converters of the limb portions.
US09755431B2 Power management system and power management method
A power management system has power supplying means, measuring means that measures power generation environment for the power supplying means, and communication means that transmits information measured by the measuring means. The power management system comprises: a control unit that controls the measuring means and the communication means. The power supplying means is used as a power source for the measuring means and the communication means. The control unit sets a first power threshold to be used for determining whether or not to switch operation states of the measuring means and a second power threshold to be used for determining whether or not to switch operation states of the communication means on the basis of a power supply that is supplied from the power supplying means.
US09755429B2 Circuit and method for increasing inductor current
A method of increasing a current flowing through an inductor includes receiving an input signal with a driver stage, the driver stage including the inductor coupled in series with a loading between an output node of the driver stage and a power line. In response to a transition in the input signal from a first voltage state to a second voltage state, a first current flowing through the loading and the inductor is increased. During the transition in the input signal, the current flowing through the inductor is increased by increasing a second current in a circuitry though a node between the inductor and the loading.
US09755428B2 Current limiter circuit system
An apparatus comprising a steady state sensing circuit, a switching circuit, and a detection circuit. The steady state sensing circuit is connected to a first, a second and a third node. The first node is connected to a first device, the second node is connected to a second device, and the steady state sensing circuit causes a scaled current to flow at the third node. The scaled current is proportional to a voltage difference between the first and second node. The switching circuit limits an amount of current that flows between the first and second device. The detection circuit is connected to the third node and the switching circuit. The detection circuit monitors the scaled current at the third node and controls the switching circuit to limit the amount of the current that flows between the first and second device when the scaled current is greater than a desired level.
US09755426B2 Fault current limiter
Described herein are fault current limiters including an input terminal for electrically connecting to a power source that provides a load current, and an output terminal for electrically connecting with a load circuit that draws the load current. The fault current limiters include a magnetically saturable core including at least one coil receiving limb disposed intermediate at least two return limbs, wherein the limbs longitudinally extend between at least two yokes, and wherein the at least two yokes and the at least two return limbs define at least a portion of one or more magnetic flux return paths for the at least one coil receiving limb. The fault current limiters further includes at least one AC coil disposed about the at least one coil receiving limb for carrying the load current between the input terminal and the output terminal. The fault current limiters also includes a magnetic biasing system for magnetically biasing the core such that, in response to one or more characteristics of the load current, the at least one AC coil moves from a low impedance state to a high impedance state.
US09755421B2 Control circuit applied to a power converter and operation method thereof
A control circuit applied to a power converter includes a multi-functional pin, a zero-crossing signal generator, and an over-voltage detector. The multi-functional pin is used for receiving an auxiliary current generated by an auxiliary winding of the power converter, and an input current. The zero-crossing signal generator is used for generating a zero-crossing signal according to the auxiliary current. The over-voltage detector is used for generating an over-voltage signal according to the auxiliary current. The control circuit generates a switch control signal to the power switch according to the zero-crossing signal, or generates an over-voltage protection signal to the power switch according to the over-voltage signal.
US09755417B2 High voltage cutoff for electrified vehicles
Systems and methods provide an alternative high voltage cutoff technique for disconnecting a high voltage battery from an electrical network of a vehicle in the event of a fault condition. Embodiments include a vehicle system comprising an electrical bus and a battery module coupled to the electrical bus via a contactor and a disconnector. The vehicle system further includes a controller configured to switch the contactor to an open state, upon receiving a fault condition signal, and if the contactor failed to open, activating the disconnector to break electrical connection between the battery module and the electrical bus. In some embodiments, the fault condition signal is generated upon detecting a vehicular impact. In some embodiments, the disconnector is a pyrotechnic device powered by a vehicle battery included in the vehicle system.
US09755415B2 End termination for three-phase insulated conductors
A fitting for coupling ends of cores of three insulated conductors includes an end termination placed over end portions of the three insulated conductors. The end termination includes three separate openings that pass through the end termination longitudinally. Each of the insulated conductors passes through one of the openings with end portions of the insulated conductors protruding from one side of the end termination. Exposed cores of the end portions of the insulated conductors protrude from the end termination. A cylinder is coupled to the side of the end termination from which the end portions of the insulated conductors protrude. An electrical bus is coupled to the exposed portion of the cores. Electrically insulating material fills the cylinder such that the cores are substantially enclosed in the electrically insulating material. An end cap is coupled to the cylinder to seal off the interior of the cylinder.
US09755409B2 Wiring harness with sound absorber
Although protective members such as urethane sheets and PVC sheets used for wiring harnesses exhibit very good performance in knocking sound characteristic, they are poor in silencing effect for rubbing sound generated by a wiring harness and a vehicle body or the wiring harness and another member in a vehicle and vehicle interior quietness may be impaired due to the rubbing sound generated in the vehicle. Rubbing sound generated in a vehicle is suppressed by a wiring harness with sound absorber including a sound absorber including a nonwoven fabric having a basis weight of 50 to 400 g/m2 and a thickness of 5 to 20 mm and a wiring harness at least partially integrated with the sound absorber.
US09755402B2 Edge emitter semiconductor laser type of device with end segments for mirrors protection
Semiconductor laser device with mirror protection includes transversally a structure with a double waveguide, consisting of an active waveguide and a separated or adjacent trapping waveguide, and longitudinally a main segment and end segments, the thickness of the upper cladding of the end segments being gradually decreased toward the mirrors. In the main segment, the field distribution is asymmetric, preponderantly located in the lower cladding. In the end segments, the field distribution gradually further shifts toward the lower cladding. Along the end segments, the fundamental mode confinement factor Γ is gradually and substantially reduced. The reduction of the confinement factor Γ protects against degradation the projection of the active region on the exit mirrors, the laser element most sensitive to degradation.
US09755400B2 Circuit for producing a laser diode control signal
A circuit is provided for generating a modulated laser diode control signal from a laser diode control signal, the circuit having an RF modulator for modulating the laser diode control signal with a modulation signal; the circuit having adjustment means for adjusting the RF modulator; the adjustment means being configured or configurable as a function of at least one laser diode operating information item. Furthermore, a laser diode receptacle is described as having such a circuit, a projector, particularly an image projector having such a laser diode receptacle, an image projector having such a laser diode receptacle and a laser diode, as well as a method for adjusting an RF modulator of such a circuit and a method for producing such a laser diode receptacle.
US09755394B1 Fiber temperature control assembly
A fiber temperature control assembly comprising a spool holding element adapted to hold a fiber spool and a compression element adapted to press fiber windings of a doped optical fiber wound around the fiber spool against said spool holding element being in thermal contact with a heating and/or cooling element of said fiber temperature control assembly.
US09755393B2 Controlling a laser source to compensate for change in pulse length by adjusting cycle number of an amplifier
In certain embodiments, a system (10) comprises a laser source (20), one or more optical elements (24), a monitoring device (28), and a control computer (30). The laser source (20) emits one or more laser pulses. The optical elements (24) change a pulse length of the laser pulses, and the monitoring device (28) measures the pulse length of the laser pulses to detect the change in the pulse length. The control computer (30) receives the measured pulse length from the monitoring device (28), determines one or more laser parameters that compensate for the change in the pulse length, and controls the laser source (20) according to the laser parameters.
US09755392B2 Apparatus for seating wire clamp to terminal of vehicle battery
An apparatus, which includes a fixture assembly configured to operatively convey, at least in part, a seating force to a wire clamp received by a battery terminal of a vehicle battery in such a way that the wire clamp becomes and remains operatively seated relative to the battery terminal during operative installation of the wire clamp relative to the battery terminal, as well as a method for doing the same.
US09755389B2 Twisted leak detection cable
Disclosed is a leak detection cable that has an outer jacket layer and a four wire construction in a flat wire configuration that is twisted in a helix. Detection cables are disposed on the exterior surface adjacent openings of the jacket to allow for detection of aqueous fluids. The wire is twisted in a helix to allow adjacent detector wires to easily detect aqueous fluids. Disparate materials are used for the jacket and the coatings of the wires, to allow the jacket to be easily removed from the wires without affecting the integrity of the coatings of the wires. The four flat wire configuration is sized and spaced for easy connection to an insulation displacement connector.
US09755383B2 Electronic control apparatus for vehicle
The present specification relates to an electronic control apparatus for a vehicle, and the electronic control apparatus for a vehicle according to the present specification includes: an electronic control board which electrically controls respective parts in the vehicle; a connector which is electrically connected with the electronic control board; and a housing which is provided with a cover and a base in order to accommodate the electronic control board, in which the cover includes an upper support portion which supports an upper portion of the connector, and the base includes a lower support portion which supports a lower portion of the connector.
US09755380B2 Flippable electrical connector
A receptacle includes an insulating housing including a base and a mating tongue, upper contacts and lower contacts, a metallic shell and a shielding plate. The contacts include plate contacting sections exposed upon the mating tongue. The shielding plate is disposed in the mating tongue and the base and isolated from the upper and lower contacts. The metallic shell is retained on the base and surrounding the mating tongue to define a mating port which is inserted with a plug connector in either of two insertion orientations. The front sides of the shielding plate is exposed to the front side of the mating tongue and the lateral sides of the shielding plates is exposed to the corresponding lateral sides of the mating tongue for protection under an improper angular mating of the plug connector.
US09755379B1 Capacitively coupled connector junctions having parallel signal paths and related connectors and methods
Coaxial connector junctions include a first coaxial connector that has a first center conductor extension and a first outer conductor extension and a second coaxial connector that is mated with the first coaxial connector, the second coaxial connector including a second center conductor extension and a second outer conductor extension. A communications path between the first outer conductor extension and the second outer conductor extension includes a first capacitively coupled outer conductor communications path and a second galvanically coupled outer conductor communications path.
US09755378B2 Mini coax cable connector
A cable connector comprising a connector body, a compression member operably connected to a second end of the connector body, the compression member including a compression portion having a forward facing surface, wherein the compression portion protrudes from an inner surface of the compression member, wherein, when the compression member is slidably axially compressed within the connector body, the compression portion of the compression member compresses an inner sleeve into crimping engagement with a coaxial cable is provided. An associated method is also provided.
US09755376B2 Motor terminal, motor terminal assembly having the same, and method of assembling motor using the same
Disclosed herein is a motor terminal including a body including a connection terminal, a rear end portion allowing the connection terminal to be connected to a busbar terminal, and a front end portion allowing the connection terminal to be connected to a terminal of another component, and a pair of hook portions formed on both sides of the body, respectively, so as to be symmetrical on the basis of a criteria line passing a center of the body in a width direction, and configured so as to be open to be further away from each other as directed toward the front end portion from the rear end portion and to be elastically deformable. Consequently, it may be possible to prevent damage to the terminal and more effectively prevent the terminal from being inclined or biased in an initial state in which the terminal is inserted into a terminal hole.
US09755375B2 Flat panel display support with a base with a USB on its sidewall
The present invention discloses a flat panel display support, which includes a base, a first connecting lever, a second connecting lever and a first display mounting plate; one end of the first connecting lever is rotationally connected with the base, the other end of the first connecting lever is rotationally connected with one end of the second connecting lever, the other end of the second connecting lever is rotationally connected with the first display mounting plate, and the base is provided with a USB interface, an audio output interface for connecting with an earphone or a speaker, and an audio input interface for connecting with a microphone. By adopting this structure, a user can directly plug devices, the earphone or the speaker with a USB into the base without stoop. The flat panel display support is simple and convenient, and user experience is good.
US09755370B2 Flippable electrical plug connector mounted upon printed circuit board
A plug connector mateable with the receptacle connector, includes an insulative housing enclosed in a metallic shell, defining a receiving cavity to receive the mating tongue, and equipped with a plurality of contacts on opposite sides. A pair of mounting ears are located on two opposite lateral ends of the housing in a transverse direction. A securing/shield plates forms a pair of locking heads extending into two opposite lateral sides of the receiving cavity to lock with a shielding plate embedded within a mating tongue of the complementary receptacle connector during mating. A metallic EMI shield encloses the metallic shell and includes a front wall with there in a front opening through which the metallic shell with the housing forwardly extends and a pair of side walls with therein a pair of slots through which the mounting ears laterally extend outwardly away from each other in the transverse direction.
US09755369B2 Cable connector assembly
A cable connector assembly (100) comprises a cable (300) and a connector (100) connecting to said cable (300). The connector (100) includes a contact module (1) and a shell (2) installed at the outside of the contact module (1), the shell (2) including a base (21) extending in a transverse direction and a pair of side covers (22,23) assembled to two sides of the base (21) in the transverse direction. Each of the base (21) and side covers (22,23) includes an insulating layer (211,221,231) and a shield layer (212,222,232), the shield layers (212,222,232) of the base (21) and the side covers (22,23) form a shield space surrounding the contact module (1).
US09755368B2 Flippable electrical connector
A plug connector includes a connector body defining a front mating cavity with a first inner side and a second inner side opposite to the first inner side, and a rear cable supporting platform with a first surface and a second surface opposite to the first inner side and a plurality of terminals. The terminals include two rows of contacting sections arranged along the first and second inner sides of the mating cavity and soldering legs extending to the platform to be welded to a cable. The soldering legs are arranged in one row and exposing to the first surface of the platform while the second surface of the platform has no soldering legs to be welded to the cable.
US09755363B2 Connector assembly
A male housing of a connector assembly has moving plate (30) with a pair of resilient locking pieces (34) that can be curved resiliently and deformed to incline a projecting direction of the resilient locking pieces (34). A female housing (50) causes the moving plate (30) to interfere with initial position holding projections (18) and pulls the moving plate (30) back to an initial position by locking with locking portions (55) to the resilient locking pieces (34). The initial position holding projections (18) are paired and spaced apart in the same direction as a separating direction of the resilient locking pieces (34) and are arranged at positions different from the resilient locking pieces (34) in the separating direction of the resilient locking pieces (34).
US09755362B1 Electrical socket outlet plate having plug stabilizing features
An electrical outlet wall plate includes a plate having an outer surface, an inner surface, and a peripheral edge. The outlet wall plate defines a socket opening configured to receive an electrical outlet socket and defining a fastener opening configured to receive a fastener configured to secure the outlet wall plate to the outlet socket. The outlet wall plate further includes a plug stabilizing feature having an inner wall, an outer wall, and a top wall. The plug stabilizing feature projects from the outer surface of the plate and at least partially surrounding a perimeter of the socket opening. The outlet wall plate limits lateral and vertical movement of the plug terminals in the socket and protects the operator from inadvertent contact with plug terminals the as the plug is inserted into the socket.
US09755351B1 Connector assembly comprising electrical feedthrough with stress decoupling
A feedthrough for a connector system includes an insulator comprising a passage therethrough, a conductor pin located in the passage, and a pressure sleeve located between the insulator and the conductor pin. The pressure sleeve is coupled to the insulator and to the conductor pin, and the conductor pin is movable relative to the insulator under thermal or pressure expansion or contraction.
US09755345B2 Contact element and method for its manufacture
A contact element having contact points for the electrically conductive connection of contact regions of mutually spaced elements, which is formed completely of one or more deposited materials of which at least one is electrically conductive. The contact element is produced in particular using a lithography, electroplating and molding (LiGA) method.
US09755344B2 Force biased spring probe pin assembly
A force-biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity. A spring member is positioned in the internal cavity between the plunger member and the second end of the internal cavity. At least one cavity formed in the plunger member with a conductive bearing in the cavity in electrical contact with the plunger and with the wall of the barrel member. A force-biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity and a second plunger member reciprocally mounted in the internal cavity proximate the upper end of the internal cavity. A spring member is positioned in the internal cavity between the first plunger member and the second plunger member. At least one cavity formed in the first plunger member with a first conductive bearing in the cavity in electrical contact with the first plunger and with the wall of the barrel member and at least one cavity formed in the second plunger member with a second conductive bearing in the cavity in electrical contact with the second plunger and with the wall of the barrel member.
US09755341B2 Flexible printed circuit board connector
A flexible printed circuit board (FPCB) connector includes a housing having a first mating interface configured for mating with a first FPCB and a second mating interface configured for mating with a second FPCB. A plurality of jumper conductors are held by the housing. The jumper conductors have first mating ends at the first mating interface being configured for mating with the first FPCB and the jumper conductors having second mating ends at the second mating interface being configured for mating with the second FPCB. The first mating interface is configured to be mated to the first FPCB at any location along a length of the first FPCB including locations remote from an end of the first FPCB.
US09755340B2 Connector
When a connection object is connected to a connector, an upper jaw portion of a first terminal presses an upper contact point against an upper signal line. Hence a lower signal line is pressed against a lower contact point so that a contact point support portion is pressed against a stop portion of a housing. At least a part of force applied to the stop portion acts as force to deform downward an upper wall of a receiving portion for receiving a lower jaw portion of the first terminal. A reinforcing portion of the lower jaw portion of the first terminal reinforces the upper wall from beneath. Since strength necessary for the upper wall can be reduced, the housing can be downsized and thus the connector can be downsized.
US09755338B2 Electronic card connector with terminals having shared soldering portions
An electronic card connector (100) includes an insulative housing (1) defining a receiving cavity (10), a number of first contacts (21) and second contacts (22) retained in the insulative housing, and a metal sheet (20). The receiving cavity has a first space (101) and a second space (102) configured in a card-inserting direction. Each first contact has a first contacting portion (210) rising into the first space. Each second contact has a second contacting portion (220) rising into the second space and a soldering portion (222). One of the first contacts is connected with one of the second contacts via the metal sheet to share the soldering portion.
US09755333B2 Radio frequency connector receptical
A high power RF connector receptacle having a solderable pin, an outer connector receptacle shell and a high breakdown voltage dielectric such as Silicon Carbide. The connector receptacle can be completed as a stepped process where the Silicon Carbide substrate can be mounted to the package, the pin can be dropped into place and soldered, and then the outer shell can be soldered onto the SiC substrate. Alternatively, the SiC, pin and outer shell can be assembled as a subassembly and then soldered to the package. The combination of SiC and solder gives a hermetic seal to the package. In addition, the SiC has an extraordinarily high dielectric breakdown voltage for high power connections.
US09755330B2 Low voltage connector
Electrical wiring connector assemblies, devices, systems, apparatus, and methods for establishing circuit connections between insulated wire conductors without removing the insulation from the conductors, such as attaching a power conductor cable to multiple lights such as those used with pathway and landscape lights, and the like. The connector can include two legs hinged together with placement and penetrating members on the insides of the legs which when pushed together by squeezing the legs can penetrate the insulated layer of the insulated wire conductor to establish an electrical connection. Pivotable wire lead ports allow for wire leads to other lights to be hooked to the insulated wire conductor.
US09755327B2 Connecting structure of crimp terminal and electric wire
A structure for connecting a crimp terminal and an electric wire includes: a crimp terminal that includes a conductor crimping portion and a coating crimping portion serially and includes an electric wire connector that is to be crimped to the electric wire; and a water stop sheet having an opening for bringing a conductor into contact with the conductor crimping portion, and laid between the electric wire connector and the electric wire. When a joint is swaged and crimped, the swaged and crimped joint has a second included angle θ2 between the bottom plate and a second line that is larger than a first included angle θ1 between the bottom plate and a first line in a cross section that is perpendicular to a bottom plate of the electric wire connector and that includes an electric wire axial line.
US09755325B2 Terminal, wire harness, terminal and coated conductor wire connection method, and wire harness structure
A conductor wire crimping portion (7) has depressions (13a, 13b, 13c) that are disposed at prescribed intervals in the axial direction and that are linear locking portions. The depressions (13a, 13b, 13c) are continuously depressed grooves on the inner surface of a crimping portion (5). On an upper die (30a), at a portion corresponding to the conductor wire crimping portion (7), a straight portion is formed, and in the front-back direction thereof, tapered portions are formed. More specifically, the upper die (30a) is formed to have an inverted trapezoid shape, a middle portion of which protrudes in the crimping direction. Consequently, at each boundary between the straight portion and the tapered portion, a die angled portion (32) is formed. At an area corresponding to the straight portion of the upper die (30a), the depression (13a) is provided, and at an area corresponding to the die angled section (32), the depression (13b) is provided.
US09755323B2 Antenna apparatus
An antenna apparatus includes N (2=
US09755321B2 Smart antenna system and method for improving receiving performance thereof
A smart antenna system according to an exemplary embodiment of the present invention including a beam forming antenna which includes an active antenna and a plurality of parasitic antennas, the system including: a reactance load which is connected to the parasitic antenna; a transceiver which transmits and receives a signal to the beam forming antenna; and an antenna adjusting block which tracks a signal source in real time using a plurality of beam patterns having the largest signal size and forms a beam in a direction having the largest signal size.
US09755317B2 Broadband antenna reflector for a circular-polarized planar wire antenna and method for producing said antenna reflector
In the field of circular-polarized planar wire antennas for very wide band telecommunications systems, and an antenna reflector for such an antenna, an antenna device comprises an antenna reflector and an antenna, and a method for implementing the antenna reflector. The antenna reflector comprises, on the one hand, a first reflection region exhibiting electromagnetic properties of an electrical conductor in a first sub-band of frequencies and, on the other hand, a second reflection region exhibiting electromagnetic properties akin to a magnetic conductor in a second sub-band of frequencies. Each reflection region is designed to face a region of the antenna able to emit electromagnetic radiation in the corresponding sub-band of frequencies in order to reflect the electric field of the backward radiation in phase with the electric field of the forward radiation.
US09755315B2 Antenna arrangement
The Figures illustrate an apparatus 2 comprising: a conductive element 4 comprising an area of conductive material 5 defined by a plurality of edges 6, 7 including a first edge 7 wherein the conductive element 4 comprises an interior aperture 12 in the area of conductive material 5 and an elongate portion 20 defined by a gap 14 at the first edge 7 of the conductive element 4 and by at least a portion of the interior aperture 12. The apparatus 2 may comprise a further interior aperture in the area of conductive material and a second elongate portion defined by a second gap, by at least a portion of the interior aperture and by at least a portion of the further interior aperture.
US09755314B2 Loaded antenna
A novel loaded antenna is defined in the present invention. The radiating element of the loaded antenna consists of two different parts: a conducting surface and a loading structure. By means of this configuration, the antenna provides a small and multiband performance, and hence it features a similar behavior through different frequency bands.
US09755308B2 Antenna structure and wireless communication device employing same
An antenna structure includes a feeding portion, a first grounding portion, a second grounding portion, a first loop antenna and a second loop antenna. The feeding portion has a first side and a second side parallel to the first side. The first grounding portion is positioned adjacent and apart from the first side of the feeding portion. The second grounding portion is positioned adjacent and apart from the second side of the grounding portion. The first loop antenna is defined to accept a second loop antenna therein, and is electronically coupled to the first and second grounding portions. The second loop antenna is positioned inside and apart from the first loop antenna, and further electronically coupled to the feeding portion.
US09755304B2 Grounding structure and rotary wireless network card
A grounding structure is described in an embodiment of the present disclosure, which is applied to a rotary wireless access terminal, the wireless access terminal at least includes that: a structural part, as well as a main board and metal rotating shaft, which are arranged in the structural part, of the wireless access terminal, the metal rotating shaft is connected with an external interface of the wireless access terminal, wherein the grounding structure includes a metal dome and an insulating film; and one end of the metal dome is connected with the metal rotating shaft, while the other end is coupled to ground on the main board through the insulating film. A rotary wireless network card based on the above grounding structure is also described in an embodiment of the present disclosure. By the technical solutions of the embodiment of the present disclosure, an interference loop effect formed by a radio frequency current flowing through the main board may be effectively eliminated, the problem of poor low-frequency performance of a built-in antenna is effectively solved, and sensitivity of a low-frequency antenna is improved.
US09755300B2 Windshield and antenna
A windshield includes a glass plate; a dielectric; an electrothermal layer that is disposed between the glass plate and the dielectric, and includes a conductive layer and strip electrodes having a resistance lower than a resistance of the conductive layer; and an antenna including a pair of electrodes disposed to face the electrothermal layer across the dielectric, and a slot at least a part of which is formed in one of the strip electrodes such that the slot is disposed between the pair of electrodes in plan view. The strip electrodes are disposed along at least two opposing outer edges of the conductive layer and are DC-coupled to the conductive layer such that the conductive layer is energized via the strip electrodes. One end of the slot is an open end that is open at an outer edge of the electrothermal layer.
US09755297B2 Housing, electronic device using same, and method for making same
A housing includes a substrate having an opening, a plurality of metal sheets and a plurality of non-conductive members, the metal sheets are bonded with each other through non-conductive members, forming a metal sheets member, the metal sheets member is located in the opening, the metal sheets member is bonded with substrate through the non-conductive members.
US09755295B2 Antenna configured for use in a wireless transceiver
The present application discloses various implementations of an antenna configured for use in a wireless transmitter, receiver, or transceiver. In one exemplary implementation, a wireless transmitter includes the antenna configured to be connected to the wireless transmitter. The antenna includes first and second substantially concentric pluralities of antenna elements, the second plurality of antenna elements being rotated with respect to the first plurality of antenna elements. The antenna is configured to enable the wireless transmitter to transmit a communication signal.
US09755294B2 Accurately estimating true bearings of radio frequency identification (RFID) tags associated with items located in a controlled area
An RFID tag reading system and method estimate true bearings of RFID tags associated with items in a controlled area. A plurality of secondary receive beams are rotated in a cycle about a boresight axis of a primary receive beam to generate a plurality of secondary receive signals. A controller processes all the secondary receive signals received in the cycle to estimate a true bearing for each tag in the controlled area.
US09755291B2 Compact bipolarization power splitter, array of a plurality of splitters, compact radiating element and planar antenna comprising such a splitter
A compact dual-polarization planar power splitter comprises at least four asymmetric orthomode transducers (OMTs) connected in an array suitable for being coupled in-phase to a dual orthogonal polarization feed source via two power distributors mounted perpendicularly in relation to one another, each power distributor comprising at least two lateral metal waveguides disposed parallel to one another, and a transverse metal waveguide coupled perpendicularly to the two lateral metal waveguides and four ends of the lateral waveguides coupled respectively to the four asymmetric OMTs.
US09755290B2 Electromagnetic wave mode transducer
Electromagnetic (EM) mode transition or transducer structures and related devices, techniques, and methods are described. An exemplary EM mode transition or transducer structure can comprise a waveguide cavity section configured to transmit a transverse electric mode 20 (TE20) mode of the EM waves. An exemplary EM mode transition can further comprise a fundamental mode rejection section configured to suppress or reflect a transverse electric mode 10 (TE10 mode) and a transverse electric mode 30 (TE30) mode of the EM waves.
US09755286B2 System and method for variable microwave phase shifter
A phase shifter and a method of making a phase shifter are disclosed herein. The phase shifter may include a housing, a dielectric, an electrode, and a liquid crystal layer. The housing includes first, second, third, and fourth conductive walls, each conductive wall being opposite one of the other walls. The dielectric is situated within the housing and defines a compartment within the housing. The electrode is aligned with the compartment. The liquid crystal layer fills the space of the compartment. A bias line is coupled to the electrode. The phase shifter may be integrated with as substrate integrated waveguide.
US09755282B2 Energy storage system and method for setting identification code to battery tray for the same
An energy storage system includes a plurality of trays holding battery packs, each tray having a tray controller, and a switch to set an identification code to the tray, and a rack accommodating the plurality of trays, the rack having a rack controller, and fingers corresponding to each switch of the trays, the fingers selectively activating each switch when a corresponding tray is mounted on the rack.
US09755281B2 Method for connecting battery cells in a battery, battery, and monitoring device
A method for connecting battery cells in a battery is provided, the battery including at least one measuring battery cell and at least one standard battery cell in a series connection, the standard battery cell having at least a nominal capacity which is greater than a nominal capacity threshold, the measuring battery cell having a nominal capacity which is less than the nominal capacity threshold, the measuring battery cell having a switchable bypass, the method including: monitoring a state of charge of the at least one measuring battery cell; and bypassing the at least one measuring battery cell using the switchable bypass if the state of charge of the at least one measuring battery cell drops below a predefined state of charge threshold.
US09755277B2 Electrolyte, electrochemical device, secondary cell, and module
Provided is an electrolyte solution for secondary batteries that are less likely to generate gas and excellent in high-temperature storage characteristics; an electrochemical device using the electrolyte solution; and a module using the electrochemical device. The electrolyte solution contains a solvent and an electrolyte salt, the solvent containing a fluorine-containing acyclic carbonate represented by the formula (1) and a fluorine-containing succinic anhydride represented by the formula (2). The electrolyte solution contains not less than 0.001 mass % but less than 90 vol % of the fluorine-containing acyclic carbonate, and the electrolyte solution contains 0.001 to 20 mass % of the fluorine-containing succinic anhydride.
US09755269B2 Dodecaborate salt radical anion compositions and methods for making and using such compositions
The disclosure relates to new compositions comprising an, B12FxH12−x− anion that may be prepared chemically or electrochemically by oxidation of B12FxH12−x2− salts. This anion can be generated electrochemically in a voltammetry experiment, or by chemically by treatment of the (2−) anions with powerful oxidants such as XeF2 or NO2(+) salts. The new compositions can be used as 1 electron chemical oxidants and in electrochemical cells such as lithium ion batteries where their formation at elevated potential can serve to limit the upper limit of voltage during the overcharge of such a cell.
US09755260B2 Method for manufacturing a high-temperature electrolyser or a high-temperature fuel cell comprising a stack of elementary cells
A method for manufacturing a high temperature electrolyzer (HTE) or a high temperature fuel cell is disclosed. According to one aspect, the HTE includes a vertical stack of n elementary planar cells alternating with n+1 interconnection plates. Each of the elementary cells include a planar porous anode and a planar porous cathode each having cutouts formed therein. The anode and cathode are respectively positioned on each of the faces of a planar dense electrolyte. Brazed joints are formed by infiltration of a defined amount of a brazing composition in the electrodes at contact points between the elementary cells and the interconnection plates.
US09755257B2 Fuel cell system and method for controlling fuel cell system
The cooling capacity of a first heat exchanger for cooling a reformed gas introduced into an inlet of a circulation pump is increased as an output of a fuel cell increases. With this configuration, an inlet temperature of the circulation pump is relatively high during low power generation and decreases as the generation power increases, and a volumetric flow rate during high power generation in which a large amount of reformed gas is required can be decreased relatively. As the result, a dynamic range required for the circulation pump can be made small. Furthermore, water condensation in the inlet of the circulation pump can be prevented during low power generation.
US09755249B2 Solid oxide fuel cell stack
A solid oxide fuel cell stack includes a support, a plurality of power generation elements connected in series, each including a fuel electrode, a solid electrolyte, and an air electrode stacked in that order on the support, and an interconnector electrically connecting an air electrode in one of the two adjacent power generation elements to a fuel electrode in the other power generation element. A solid electrolyte for one of the power generation elements is provided on the downside of the interconnector provided on the downside of the air electrode in the one power generation element so that the solid electrolyte is joined to the interconnector, and a solid electrolyte for the other power generation element is provided on the upper side of the interconnector provided on the upper side of the fuel electrode for the other power generation element so that the solid electrolyte is joined to the interconnector.
US09755248B2 Use of mesoporous graphite particles for electrochemical applications
The present invention relates to the use of mesoporous graphitic particles having a loading of sintering-stable metal nanoparticles for fuel cells and further electrochemical applications, for example as constituent of layers in electrodes of fuel cells and batteries.
US09755246B2 Hollow platinum nanoparticles for fuel cells
The present invention relates to hollow platinum nanoparticles with a diameter comprised between 3 and 20 nm which comprise a first central cavity and optionally at least one second cavity at the periphery of the first cavity, the shell of which is dense and single-crystal with a thickness comprised between 0.2 and 5 nm. The invention also relates to a method for manufacturing such nanoparticles, as well as to their use as an electrocatalyst in fuel cells.
US09755245B2 Catalyst material for fuel cell
A method of forming a catalyst material includes coating agglomerates of catalyst support particles with an ionomer material. After coating the agglomerates of catalyst support particles, a catalyst metal precursor is deposited by chemical infiltration onto peripheral surfaces of the agglomerates of catalyst support particles. The catalyst metal precursor is then chemically reduced to form catalyst metal on the peripheral surfaces of the agglomerates of catalyst support particles.
US09755244B2 Conductive thin film for carbon corrosion protection
A method for making corrosion resistant carbon nanoparticles includes a step of heating a carbon powder to a predetermined temperature. The carbon powder includes carbon particles having an average spatial dimension from about 10 to 100 nanometers. The carbon powder is contacted with a vapor of a metal-containing compound. The carbon powder is then contacted with a vapor of an activating compound. These steps are repeated plurality of times to form a metal-containing layer on the carbon particles.
US09755243B2 Electrode catalyst layer for fuel cells, electrode for fuel cells, membrane electrode assembly for fuel cells, and fuel cell
This electrode catalyst layer for fuel cells is provided with: an electrode catalyst that comprises a conductive carrier and platinum-containing metal particles supported on the surface of the conductive carrier; and an ionomer that covers the electrode catalyst. This electrode catalyst layer for fuel cells is characterized in that the average thickness of the ionomer is 2.4 nm or less. This electrode catalyst layer for fuel cells is capable of having a good balance between proton transport properties and transport properties for a gas such as an oxidant gas or a fuel gas even in cases where the amount of supported platinum is decreased. In addition, an electrode for fuel cells, a membrane electrode assembly for fuel cells, and a fuel cell, each having good current-voltage characteristics, can be obtained using the above-described electrode catalyst layer for fuel cells.
US09755241B2 Alkali metal secondary battery containing a dendrite-intercepting layer
A rechargeable alkali metal battery comprising: (A) an anode comprising an alkali metal layer and a dendrite penetration-resistant layer composed of multiple graphene sheets or platelets or exfoliated graphite flakes that are chemically bonded by a lithium- or sodium-containing species to form an integral layer that prevents dendrite penetration through the integral layer, wherein the lithium-containing species is selected from Li2CO3, Li2O, Li2C2O4, LiOH, LiX, ROCO2Li, HCOLi, ROLi, (ROCO2Li)2, (CH2OCO2Li)2, Li2S, LixSOy, Na2CO3, Na2O, Na2C2O4, NaOH, NaX, ROCO2Na, HCONa, RONa, (ROCO2Na)2, (CH2OCO2Na)2, Na2S, NaxSOy, or a combination thereof, wherein X=F, Cl, I, or Br, R=a hydrocarbon group, x=0-1, y=1-4; (B) a cathode comprising a cathode layer; and (C) a separator and electrolyte component in contact with the anode and the cathode; wherein the dendrite penetration-resistant layer is disposed between the alkali metal layer and the separator.
US09755239B2 Composition for positive electrode of lithium secondary battery and lithium secondary battery using same
Disclosed is a positive electrode composition for a lithium secondary battery and a secondary lithium battery using the same. The positive electrode composition for a lithium secondary battery includes a positive active material, a binder, and a compound represented by the following Chemical Formula 1. The above Chemical Formula 1 is the same as defined in the detailed description.
US09755238B2 Non-aqueous electrolyte secondary battery and manufacturing method thereof
A non-aqueous electrolyte secondary battery according to the present invention includes a positive electrode, a negative electrode, and a non-aqueous electrolyte solution. The negative electrode includes a coating derived from lithium bis(oxalate)borate. The coating derived from lithium bis(oxalate)borate includes a coating containing boron element and a coating containing oxalate ion. A ratio of the boron element contained in the coating derived from lithium bis(oxalate)borate to the oxalate ion is equal to or more than 5. Accordingly, it is possible to provide a non-aqueous electrolyte secondary battery capable of reliably obtaining the effect due to the formation of a coating.
US09755232B2 Nickel composite hydroxide and method for producing the same, positive electrode active material and method for producing the same as well as nonaqueous electrolytic secondary cell
A nickel composite hydroxide represented by Ni1-x-y-zCoxMnyMz(OH)2+A (where 0≦x≦0.35, 0≦y≦0.35, 0≦z≦0.1, 0
US09755230B2 Electrode active material, electrode including the same, and lithium battery including the electrode
An electrode active material including an ordered mesoporous metal oxide; and at least one conductive carbon material disposed in a pore of the ordered mesoporous metal oxide. Also, an electrode including the electrode active material, and a lithium battery including the electrode.
US09755226B2 Nickel-hydrogen storage battery and battery pack
There is provided a nickel-metal hydride storage battery with suppression of rise in internal pressure, allowing suppression of alkaline electrolyte leakage even when two or more of the batteries are used. The battery includes: positive and negative electrodes; a separator interposed therebetween; and an alkaline electrolyte. The negative electrode includes: a material mixture layer including hydrogen storage alloy powder capable of electrochemically absorbing and releasing hydrogen; and a water-repellent layer including a first polymer including tetrafluoroethylene as monomer units, formed on the material mixture layer. The separator includes: a primary layer having a non-woven fabric structure of fibers; and a composite layer formed on the primary layer and being in contact with the water-repellent layer. The composite layer includes: fibers in continuity with the non-woven fabric structure; and a second polymer including tetrafluoroethylene as monomer units. The composite layer has a water contact angle of 10 to 80°.
US09755222B2 Alkali metal oxyanion electrode material having a carbon deposited by pyrolysis and process for making same
An alkali metal oxyanion cathode material comprising particles, where the particles carry, on at least a portion of the particle surface, carbon deposit by pyrolysis is described. The particles have the general formula A:M:M′:XO4 where the average valency of M is +2 or greater; A is at least one alkali metal selected from Li, Na and K; M is at least Fe and/or Mn; and M′ is a metal of valency of 2+ or more.
US09755220B2 Method for manufacturing cable-type secondary battery
The present invention relates to a method for manufacturing a cable-type secondary battery comprising an electrode that extends longitudinally in a parallel arrangement and that includes a current collector having a horizontal cross section of a predetermined shape and an active material layer formed on the current collector, and the electrode is formed by putting an electrode slurry including an active material, a polymer binder, and a solvent into an extruder, by extrusion-coating the electrode slurry on the current collector while continuously providing the current collector to the extruder, and by drying the current collector coated with the electrode slurry to form an active material layer.
US09755218B2 Stationary lead battery performance improvement method
The present invention improves the performance of each lead battery, and simultaneously to establish overall balance, by inspecting the degradation state of each lead battery and performing the most suitable treatment while maintaining a state in which lead batteries are energized. This performance improvement method is for stationary lead batteries configuring a battery assembly which connects the terminals of the multiple lead batteries by means of a conducting plate, and involves a step for performing checks for inspection operations of the lead batteries, a step for measuring the internal electrical conductivity of each lead battery with the lead batteries still being in a normal use state, and a step for adding an electrolyte and purified water according to the state of each of the lead battery.
US09755215B2 Secondary battery
A secondary battery includes an electrode assembly; a case accommodating the electrode assembly; a cap plate sealing the case; and a first electrode terminal electrically connected to the electrode assembly and passing through the cap plate, wherein the electrode assembly is connected to the first electrode terminal through a first current collection tab.
US09755212B2 Traction battery busbar carriers for pouch battery cells
A vehicle including an array of pouch battery cells, a pair of carriers, and a plurality of busbars is provided. The array of pouch battery cells may each have terminal tabs of opposite polarity extending from opposing cell faces. The pair of carriers may extend along the cell faces and each may define a plurality of apertures sized to receive the terminal tabs. The plurality of busbars may be arranged with the carriers and terminal tabs such that an electrical connection across the cells includes parallel and series connections. The pouch battery cells may be arranged in clusters of adjacent cells connected in parallel, and the busbars may be arranged in spaced apart groups on each of the carriers and joined to adjacent terminal tabs to connect the clusters in series.
US09755206B2 Nonaqueous electrolyte secondary battery having separators with base material and heat-resistant layer on coiling outer peripheral side
Provided is a nonaqueous electrolyte secondary battery 10 which, in cases where separators 70 each having a heat-resistant layer 74 on only one face thereof are used, has an excellent thermal stability and thus a higher safety and reliability when the battery 10 reaches a high temperature. Such a nonaqueous electrolyte secondary battery 10 includes a positive electrode 30 in which a positive electrode active material layer 34 is provided on both faces of a positive electrode current collector 32, a negative electrode 50 in which a negative electrode active material layer 54 is provided on both faces of a negative electrode current collector 52, at least two separators 70 each having a heat-resistant layer 74 on one face of a base material 72, and an electrolyte. The nonaqueous electrolyte secondary battery has an electrode assembly 20 in which the positive electrode 30 and the negative electrode 50 are stacked on top of one another with the separators 70 interposed therebetween. The at least two separators 70 are disposed in such a way that, for each separator, the heat-resistant layer 74 is positioned on the same side with respect to the base material 72 in the stacking direction.
US09755205B2 Small pore size nonwoven mat with hydrophilic/acid resistant filler used in lead acid batteries and applications therefor
According to one embodiment, a nonwoven fiber mat includes between 10% and 50% by weight of a plurality of first glass fibers having an average diameter of less than 5 μm and between 50% and 90% by weight of a plurality of second glass fibers having an average diameter of greater than 6 μm. The nonwoven fiber mat also includes an acid resistant binder that binds the first and second glass fibers together. The nonwoven fiber mat has an average pore size of between 1 and 100 μm and exhibits an air permeability of below 100 cubic feet per minute per square foot (cfm/ft2) as measured by the Frazier test at 125 Pa according to ASTM Standard Method D737.
US09755204B2 Separator, electrode element, electric energy storage device and method for producing separator
The present invention provides a separator drastically reducing the short-circuit between electrodes and having satisfactory ionic conductivity on the basis of the use of inorganic materials. The separator 23 has a substrate 23a including a layer formed by using an inorganic material so as to have a plurality of openings, and an inorganic fiber layer 23b laminated on one surface or both surfaces of the substrate 23a so as to cover the openings of the substrate 23a without blocking the openings of the substrate 23a. The thickness of the separator 23 is 100 μm or less.
US09755203B2 Rechargeable battery
A rechargeable battery including an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled with an opening of the case with a gasket between the cap assembly and the case, wherein the cap assembly includes a vent plate that is electrically connected to a cap plate; a middle plate that is separated from the vent plate, that includes a through-hole that is penetrated by a vent protruding from the vent plate, and that is electrically connected to the second electrode; an insulator interposed between the vent plate and the middle plate; and a sub-plate electrically connecting the vent with the middle plate, wherein at least one of the vent plate or the middle plate includes a protrusion and a groove facing the insulator, the protrusion being coupled with a complementary groove in the insulator and the groove being coupled with a complementary protrusion in the insulator.
US09755201B2 Adjustable rack and method of making and using the same
An adjustable storage rack configured to support a variety of devices, including valve regulated or flooded lead acid batteries. In one embodiment, the adjustable storage rack includes a series of stanchions, a series of side rails extending between at least two of the stanchions, and a series of end rails extending between two of the side rails. The adjustable storage rack may also include a stanchion adjustment assembly slidably coupling one of the stanchions to one of the side rails. The adjustable storage rack may also include first and second end rail adjustment assemblies. The first end rail adjustment assembly slidably couples a first end portion of one of the end rails to one of the side rails, and the second end rail adjustment assembly slidably couples a second end portion of the end rail to a second one of the side rails.
US09755192B2 Method of cutting substrate and method of manufacturing display apparatus
A method of cutting a substrate includes: forming a first protective layer on a first surface of the substrate; forming a removal area where a portion of the first protective layer is removed by irradiating the first protective layer at the portion of the first protective layer with a first laser beam; and forming a cutting area by removing a portion of the substrate by irradiating the substrate with a second laser beam at the removal area, after irradiating the first protective layer with the first laser beam.
US09755189B2 Method for forming projections and depressions, sealing structure, and light-emitting device
A novel method for forming projections and depressions is provided. A novel sealing structure is provided. A novel light-emitting device is provided. A first step of forming a film containing at least two kinds of metals having different etching rates over a surface; a second step of heating the film so that the metal having a lower etching rate segregates; a third step of selectively etching the metal having a higher etching rate; and a fourth step of selectively etching the surface using a residue containing the metal having a lower etching rate are included.
US09755188B2 Organic electronic device
Provided are an organic electronic device (OED) and a use thereof. The OED, for example, a flexible device, may have excellent light extraction efficiency and durability. The OED may be applied to a lighting device or a light source for a display.
US09755187B2 Organic light-emitting diode packaging structure, method for packaging organic light-emitting diode, and display device
The present disclosure provides an organic light-emitting diode packaging structure, a method for packaging an organic light-emitting diode and a display device. The packaging structure includes: a display area of an organic light-emitting diode arranged on a substrate; a cathode pattern arranged on the display area; a first inorganic blocking layer arranged on the cathode pattern; an organic buffer layer arranged on the first inorganic blocking layer, wherein the organic buffer layer is electrically connected at its edge to the cathode pattern in a peripheral area of the display area; and a second inorganic blocking layer, wherein the second inorganic blocking layer is connected directly at its edge to the substrate in the peripheral area of the display area, so as to cover all the other layers.
US09755185B2 OLED device and manufacture thereof
The invention describes a method of manufacturing an OLED device (1). This method comprises the steps of providing an electrically conductive carrier substrate (3) with a first carrier surface (3a) and a second carrier surface (3b), assembling at least the first carrier surface (3a) a patterned layer of insulating material (5) over an integral area, the layer of insulating material (5) being patterned by a plurality of holes (7) such that an electric access to the first carrier surface (3a) is possible from an upper surface (10) of the layer of insulating material (5) facing away from the first carrier surface (3a), assembling a patterned conductive coating (8, 9) on the insulating material (5) at its upper surface (10) such that the conductive coating (8, 9) enters the holes (7) and covers the insulating material (5) over an integral area, whereby the conductive coating (9) is patterned such that a number of discrete first electrode areas (11) are formed in the conductive coating (9), applying an organic light-emitting layer (13) above at least one first electrode area (11), applying a second electrode layer (15) above the organic light emitting layer (13). The invention also describes a semi-finished product (21) in such process and an OLED device (1) manufactured in such process.
US09755184B2 Display panel and method of fabricating the same
A display panel includes a thin film transistor substrate and a display layer disposed on the thin film transistor substrate and having a display. The thin film transistor substrate may include a base substrate, a stress relief layer disposed on the base substrate and including at least one stress relief pattern, and a driver layer disposed on the stress relief layer and including at least one thin film transistor coupled to the display.
US09755179B2 Conductor and method of manufacturing the same
A conductor includes a plurality of metal nanostructures having a circular cross-sectional shape, where each of the metal nanostructure is surrounded by an organic material having a thickness of less than or equal to about 0.5 nm. A method of manufacturing a conductor includes preparing a metal nanostructure having a polygonal cross-sectional shape, and providing a metal nanostructure having a circular cross-sectional shape by supplying light to the metal nanostructure having a polygonal cross-sectional shape.
US09755176B2 Organic light-emitting device
An organic light-emitting device comprises a first electrode, a second electrode disposed on the first electrode, a first organic light-emitting layer disposed between the first electrode and the second electrode, a second organic light-emitting layer disposed between the first organic light-emitting layer and the second electrode, a first charge generation layer (CGL) disposed between the first organic light-emitting layer and the second organic light-emitting layer, a second CGL disposed between the first CGL and the second organic light-emitting layer, and a first buffer layer disposed between the first CGL and the second CGL and including fullerene.
US09755170B2 Resistive materials comprising mixed nanoscopic particles and carbon nanotubes
An improved switching material for forming a composite article over a substrate is disclosed. A first volume of nanotubes is combined with a second volume of nanoscopic particles in a predefined ration relative to the first volume of nanotubes to form a mixture. This mixture can then be deposited over a substrate as a relatively thick composite article via a spin coating process. The composite article may possess improved switching properties over that of a nanotube-only switching article. A method for forming substantially uniform nanoscopic particles of carbon, which contains one or more allotropes of carbon, is also disclosed.
US09755169B2 Nonvolatile memory device
Provided is a nonvolatile memory device. The nonvolatile memory device includes: first and second electrodes spaced from each other; at least one nano crystal layer disposed between the first and second electrodes; and first and second material layers respectively disposed between the first and second electrodes and the nano crystal layer and having a bistable conductive property, wherein the first and second material layers are formed asymmetrical to each other.
US09755166B2 Luminescent device and method of manufacturing the same including forming a plurality of notches or slits in a substrate to enable planar light emittance in a curved state
A luminescent device that has at least an anode layer (32), a cathode layer (36), and an organic EL layer (34) formed on a transparent substrate (30), and has the organic EL layer (34) placed between the anode layer (32) and the cathode layer (36) is disclosed.In this luminescent device, notches (22) are formed at the rim portion of the transparent substrate, and patterning is performed on the transparent substrate (30) so that the organic EL layer (34) avoids the notches (22), and the anode layer (32) and the cathode layer (34) overlap the organic EL layer (34). Part of the anode layer (32) and part of the cathode layer (36) are exposed through the respective notches (22) of the transparent substrate (30).
US09755163B2 Synthesis of four coordinated palladium complexes and their applications in light emitting devices thereof
Synthesis of four coordinated palladium complexes and their applications in light emitting devices thereof.
US09755148B2 Peeling method and method of manufacturing semiconductor device
There is provided a peeling method capable of preventing a damage to a layer to be peeled. Thus, not only a layer to be peeled having a small area but also a layer to be peeled having a large area can be peeled over the entire surface at a high yield. Processing for partially reducing contact property between a first material layer (11) and a second material layer (12) (laser light irradiation, pressure application, or the like) is performed before peeling, and then peeling is conducted by physical means. Therefore, sufficient separation can be easily conducted in an inner portion of the second material layer (12) or an interface thereof.
US09755144B2 Memory cell structures
The present disclosure includes memory cell structures and method of forming the same. One such memory cell includes a first electrode having sidewalls angled less than 90 degrees in relation to a bottom surface of the first electrode, a second electrode, including an electrode contact portion of the second electrode, having sidewalls angled less than 90 degrees in relation to the bottom surface of the first electrode, wherein the second electrode is over the first electrode, and a storage element between the first electrode and the electrode contact portion of the second electrode.
US09755134B2 Piezoelectric device
In a piezoelectric device, an identification pattern provided on a main face of a piezoelectric body is covered with an electrode, so as to inhibit the identification pattern from generating particles, while the identification pattern makes the polarity of the piezoelectric device discernible by the appearance thereof.
US09755129B2 Integral thermoelectric generator for wireless devices
Electrical power is produced by a first process component, a first heat pipe formed in part by a first cavity within the first process component, and a thermoelectric generator assembly. The thermoelectric generator assembly is thermally coupled on one side to a heat sink and on the other side to the first heat pipe. The first process component is in direct contact with a first process fluid and the first cavity is proximate the first process fluid. The thermoelectric generator assembly produces electrical power.
US09755128B2 Method of producing thermoelectric material
A process for manufacturing a nanocomposite thermoelectric material having a plurality of nanoparticle inclusions. The process includes determining a material composition to be investigated for the nanocomposite thermoelectric material, the material composition including a conductive bulk material and a nanoparticle material. In addition, a range of surface roughness values for the insulating nanoparticle material that can be obtained using current state of the art manufacturing techniques is determined. Thereafter, a plurality of Seebeck coefficients, electrical resistivity values, thermal conductivity values and figure of merit values as a function of the range of nanoparticle material surface roughness values is calculated. Based on these calculated values, a nanocomposite thermoelectric material composition or ranges of compositions is/are selected and manufactured.
US09755127B2 Semiconductor light emitting device and method for manufacturing same
According to one embodiment, a semiconductor light-emitting device includes a semiconductor layer including a first semiconductor layer, a second semiconductor layer, a light emitting layer, a first surface, and a second surface; a p-side electrode; an n-side electrode; a first p-side pillar; a first n-side pillar; a first insulating layer; a fluorescer layer; a second insulating layer; a p-side interconnect; and an n-side interconnect. The second insulating layer is provided as one body in at least a portion of an outer side of a side surface of the first insulating layer and at least a portion of an outer side of a side surface of the fluorescer layer.
US09755125B2 LED module
An LED module is provided with a lead, an LED chip mounted on the obverse surface of the lead, and a case covering at least a part of the lead. The case has a side wall surrounding the LED chip. The lead includes a thin extension whose bottom surface is spaced apart upward from the reverse surface of the lead in the thickness direction of the lead. The case is provided with a holding portion that covers at least a part of each of the top surface and the bottom surface of the first thin extension.
US09755121B2 Method of detaching sealing member of light emitting device
A method of detaching a sealing member of a light emitting device which has a substrate, alight emitting element mounted on the substrate and a sealing member that seals the light emitting element, wherein a release layer and/or an air layer is/are provided between the substrate and the sealing member; and the sealing member is detached from the substrate at the release layer and/or the air layer.
US09755115B2 Light emitting device and method for manufacturing the same
By using a light emitting device including an insulating substrate and a light emitting unit formed on the insulating substrate, the light emitting unit including: a plurality of linear wiring patterns disposed on the insulating substrate in parallel with one another, a plurality of light emitting elements that are mounted between the wiring patterns while being electrically connected to the wiring patterns, and a sealing member for sealing the light emitting elements, as well as a method for manufacturing thereof, it becomes possible to provide a light emitting device that achieves sufficient electrical insulation and has simple manufacturing processes so that it can be manufactured at a low cost, and a method for manufacturing the same.
US09755113B2 Light emitting device
A light emitting device includes a base, a first light emitting unit, a second light emitting unit, a light conversion layer and a lens. The base has a first side slot, a second side slot, and a central slot separated from the first side slot and the second side slot, and the first side slot is formed in a separated recess configuration with a long axis and a short axis. The first light emitting unit is installed in the central slot, and the second light emitting unit is installed in the first side slot. The light conversion layer is covered onto the first light emitting unit or the second light emitting unit, and the lens covers the light conversion layer, the central slot, the first side slot, and the second side slot. The first slot and the lens have first similar contour lines in a top view.
US09755112B2 LED die with barrier layer
An LED die includes a base, and an N-typed semiconductor layer, an active layer and a P-typed semiconductor layer formed on the base that order. The LED die also includes an N-electrode and a P-electrode. The N-electrode is arranged on the N-typed semiconductor layer and electrically connected therewith. The P-electrode is arranged on the P-typed semiconductor layer and electrically connected therewith. The LED die further includes a barrier layer arranged between the P-typed semiconductor layer and the P-electrode. The barrier layer includes at least two materials of Cr, Ni and Ti. The at least two materials of Cr, Ni and Ti are stacked together to form the barrier layer.
US09755107B2 Group III nitride semiconductor light-emitting device
The present invention provides a Group III nitride semiconductor light-emitting device exhibiting improved emission efficiency. The Group III nitride semiconductor light-emitting device includes a base layer, an n-type superlattice layer, a light-emitting layer, and a p-type cladding layer, each of the layers being made of Group III nitride semiconductor. An electron injection adjusting layer comprising a single AlxGa1-xN (0
US09755105B2 Method for producing light emitting device
A method for producing a light emitting device includes providing a light emitting device array including a collective substrate, a plurality of light emitting elements, a covering member covering a region surrounding the plurality of light emitting elements, in which the plurality of light emitting elements and the covering member are arranged on an upper surface of the collective substrate, the collective substrate including a ceramic base member, and the covering member containing a silicone-based resin as a base material; making a cut into the covering member such that the cut has a depth such that an uncut portion remains in the covering member in a direction of the depth' and push-splitting the collective substrate, and splitting the uncut portion of the covering member after the making the cut into the covering member.
US09755094B2 Imaging device
To provide an imaging device equipped with a photodiode, which is capable of enhancing both of a capacity and sensitivity.In an area of a P-type well in which a photodiode is formed, a P-type impurity region is formed from the surface of the P-type well to a predetermined depth. Further, an N-type impurity region is formed to extend to a deeper position. N-type impurity regions and P-type impurity regions respectively extending in a gate width direction from a lower part of the N-type impurity region to a deeper position so as to contact the N-type impurity region are alternately arranged in a plural form along a gate length direction in a form to contact each other.
US09755090B2 Quantum detection element with low noise and method for manufacturing such a photodetection element
According to one aspect, the invention relates to an element for quantum photodetection of an incident radiation in a spectral band centered around a central wavelength λ0, having a front surface intended for receiving said radiation, and including: a stack of layers of semiconductor material forming a PN or PIN junction and including at least one layer made of an absorbent semiconductor material having a cut-off wavelength λ0>λ0, the stack of layers of semiconductor material forming a resonant optical cavity; and a structure for coupling the incident radiation with the optical cavity such as to form a resonance at the central wavelength λ0 allowing the absorption of more than 80% in the layer of absorbent semiconductor material at said central wavelength, and an absence of resonance at the radiative wavelength λrad, wherein the radiative wavelength λrad is the wavelength for which, at operating temperature, the radiative recombination rate is the highest.
US09755084B2 Multi-level stacked transistor device including capacitor and different semiconductor materials
A semiconductor device having a novel structure is provided in which a transistor including an oxide semiconductor and a transistor including a semiconductor material which is not an oxide semiconductor are stacked. Further, a semiconductor device in which a semiconductor element and a capacitor are formed efficiently is provided. In a semiconductor device, a first semiconductor element layer including a transistor formed using a semiconductor material which is not an oxide semiconductor, such as silicon, and a second semiconductor element layer including a transistor formed using an oxide semiconductor are stacked. A capacitor is formed using a wiring layer, or a conductive film or an insulating film which is in the same layer as a conductive film or an insulating film of the second semiconductor element layer.
US09755082B2 Semiconductor device including oxide semiconductor with an insulating film including galliium and oxygen
One object is to provide a semiconductor device including an oxide semiconductor with improved electrical characteristics. The semiconductor device includes a first insulating film including an element of Group 13 and oxygen; an oxide semiconductor film partly in contact with the first insulating film; a source electrode and a drain electrode electrically connected to the oxide semiconductor film; a gate electrode overlapping with the oxide semiconductor film; and a second insulating film partly in contact with the oxide semiconductor film, between the oxide semiconductor film and the gate electrode. Further, the first insulating film including an element of Group 13 and oxygen includes a region where an amount of oxygen is greater than that in a stoichiometric composition ratio.
US09755080B2 Fin field-effect transistor
A method for fabricating a FinFET structure comprises providing a semiconductor substrate; forming a hard mask layer on the semiconductor substrate; forming a dummy gate structure having a dummy gate, a first sidewall spacer and a second sidewall spacer; removing the dummy gate to form a first trench; forming first sub-fins in the semiconductor substrate under the hard mask layer in the first trench; forming a first metal gate structure in the first trench; removing the first sidewall spacer to form a second trench; forming second sub-fins in the semiconductor substrate under the hard mask layer in the second trench; forming a second metal gate structure in the second trench; removing the second sidewall spacer to form a third trench; forming third sub-fins in the semiconductor substrate under the hard mask layer in the third trench; and forming a third metal gate structure in the third trench.
US09755078B2 Structure and method for multi-threshold voltage adjusted silicon germanium alloy devices with same silicon germanium content
A semiconductor structure includes a first fin structure having a first strain located on a surface of a first insulator layer portion. The first fin structure includes a first doped silicon germanium alloy fin portion having a first germanium content and a silicon germanium alloy fin portion having a third germanium content. A second fin structure having a second strain is located on a surface of a second insulator layer portion. The second fin structure includes a second doped silicon germanium alloy fin portion having a second germanium content and a silicon germanium alloy fin portion having the third germanium content, wherein the first germanium content differs from the second germanium content and the third germanium content is greater than the first and second germanium contents, and wherein the first strain differs from the second strain.
US09755076B2 Semiconductor devices having source/drain regions with strain-inducing layers and methods of manufacturing such semiconductor devices
Semiconductor devices include a strain-inducing layer capable of applying a strain to a channel region of a transistor included in a miniaturized electronic device, and a method of manufacturing the semiconductor device. The semiconductor device includes a substrate having a channel region; a pair of source/drain regions provided on the substrate and arranged on both sides of the channel region in a first direction; and a gate structure provided on the channel region and comprising a gate electrode pattern extending in a second direction that is different from the first direction, a gate dielectric layer disposed between the channel region and the gate electrode pattern, and a gate spacer covering respective lateral surfaces of the gate electrode pattern and the gate dielectric layer. At least one of the source/drain regions includes a first strain-inducing layer and a second strain-inducing layer. The first strain-inducing layer is disposed between a lateral surface of the channel region and the second strain-inducing layer and contacts at least a portion of the gate dielectric layer.
US09755075B2 High efficiency FinFET diode
Disclosed are methods to form a FinFET diode of high efficiency, designed to resolve the degradation problem with a conventional FinFET diode arising from reduced active area, and a method of fabrication. The FinFET diode has a doped substrate, two spaced-apart groups of semiconductor fin structures, dielectric layers formed between the two groups and among the fin structures for insulation, a plurality of gate structures perpendicularly traversing both groups of the fin structures, and two groups of semiconductor strips respectively formed lengthwise upon the two groups of the fin structures. The two groups of semiconductor strips are doped to have opposite conductivity types, p-type and n-type. In an embodiment, the FinFET diode further has metal contacts formed upon the semiconductor strips. In another embodiment, the semiconductor strips may be integrally formed with the fin structures by epitaxial growth and in-situ doped.
US09755072B2 High voltage device fabricated using low-voltage processes
A method for fabricating a high-voltage transistor on a semiconductor substrate includes defining and forming shallow trench isolation regions for all of the transistors, defining and forming well regions for all of the transistors, forming a gate oxide layer in the well regions for all of the transistor, forming gates for all of the transistors over the gate oxide layer, implanting a dopant to form lightly-doped drain regions for all of the transistors, the lightly-doped drain regions for at least drains of the high-voltage transistors being spaced apart from an inner edge of the shallow trench isolation regions, forming gate spacers at sides of the gates of all of the transistors, and implanting a dopant to form sources and drains for all of the transistors, the drains of the high-voltage transistors being formed completely surrounded by the lightly-doped drain regions of the high-voltage transistors.
US09755069B2 Semiconductor device
There is provided a semiconductor device having LDMOS transistors embedded in a semiconductor substrate to boost source-drain breakdown voltage, with arrangements to prevent fluctuations of element characteristics caused by electric field concentration so that the reliability of the semiconductor device is improved. A trench is formed over the upper surface of a separation insulating film of each LDMOS transistor, the trench having a gate electrode partially embedded therein. This structure prevents electric field concentration in the semiconductor substrate near the source-side edge of the separation insulating film.
US09755068B2 Semiconductor device and radio frequency module formed on high resistivity substrate
In embodiments, a semiconductor device includes a high resistivity substrate, a transistor disposed on the high resistivity substrate, and a deep trench device isolation region disposed in the high resistivity substrate to surround the transistor. Particularly, the high resistivity substrate has a first conductive type, and a deep well region having a second conductive type is disposed in the high resistivity substrate. Further, a first well region having the first conductive type is disposed on the deep well region, and the transistor is disposed on the first well region.
US09755067B2 Semiconductor device and fabrication method thereof
A semiconductor device and a fabrication method thereof are provided. The semiconductor device includes a P type well region and an N type well region formed in a substrate, a gate insulating layer having a non-uniform thickness and formed on the P type well region and the N type well region, a gate electrode formed on the gate insulating layer, a P type well pick-up region formed in the P type well region, and a field relief oxide layer formed in the N type well region between the gate electrode and the drain region.
US09755059B2 Cascode structures with GaN cap layers
A transistor device including a cap layer is described. One embodiment of such a device includes cap layer between a gate and a semiconductor layer. In one embodiment, the thickness of the cap layer is between 5 nm and 100 nm. In another embodiment, the cap layer can be doped, such as delta-doped or doped in a region remote from the semiconductor layer. Devices according to the present invention can show capacitances which are less drain bias dependent, resulting in improved linearity.
US09755058B2 Surface devices within a vertical power device
A semiconductor device comprises a vertical power device, such as a superjunction MOSFET, an IGBT, a diode, and the like, and a surface device that comprises one or more lateral devices that are electrically active along a top surface of the semiconductor device.
US09755052B2 Process method and structure for high voltage MOSFETS
A semiconductor power device disposed on a semiconductor substrate comprises a plurality of trenches formed at a top portion of the semiconductor substrate extending laterally across the semiconductor substrate along a longitudinal direction each having a nonlinear portion comprising a sidewall perpendicular to a longitudinal direction of the trench and extends vertically downward from a top surface to a trench bottom surface. The semiconductor power device further includes a trench bottom dopant region disposed below the trench bottom surface and a sidewall dopant region disposed along the perpendicular sidewall wherein the sidewall dopant region extends vertically downward along the perpendicular sidewall of the trench to reach the trench bottom dopant region and pick-up the trench bottom dopant region to the top surface of the semiconductor substrate.
US09755050B2 Semiconductor device
The semiconductor device including: a semiconductor layer extending in a first direction, the semiconductor layer including a pair of source/drain regions and a channel region, a gate extending on the semiconductor layer to cover the channel region, and a gate dielectric layer interposed between the channel region and the gate, a corner insulating spacer having a first surface and a second surface, the first surface extending in the second direction along a side wall of the gate, the first surface covering from a side portion of the gate dielectric layer to at least a portion of the side wall of the gate, and the second surface covering a portion of the semiconductor layer, and an outer portion insulating spacer covering the side wall of the gate above the corner insulating spacer, the outer portion insulating spacer having a smaller dielectric constant than the corner insulating spacer, may be provided.
US09755049B2 Semiconductor devices including active patterns having different pitches and methods of fabricating the same
Methods for fabricating semiconductor devices are provided including sequentially stacking hardmask layers, a first sacrificial layer, and a second sacrificial layer on a substrate, forming first mandrels on the first sacrificial layer by etching the second sacrificial layer, forming first spacers on side walls of the first mandrels, forming a photoresist pattern disposed outside a region from which the first mandrels have been removed, forming second and third mandrels by etching the first sacrificial layer using the first spacers and the photoresist pattern as respective etching masks, forming second and third spacers on side walls of the second and third mandrels, forming first and second active patterns respectively having first and second pitches by etching the hardmask layer and at least a portion of the substrate, and forming a device isolation layer so that upper portions of the first and second active patterns protrude therefrom.
US09755047B2 Semiconductor process and semiconductor device
A semiconductor process is described. A silicon-phosphorus (SiP) epitaxial layer is formed serving as a source/drain (S/D) region. A crystalline metal silicide layer is formed directly on the SiP epitaxial layer and thus prevents oxidation of the SiP epitaxial layer. A contact plug is formed over the crystalline metal silicide layer.
US09755045B2 Rectifier structures with low leakage
An integrated circuit device includes a first III-V compound layer, a second III-V compound layer over the first III-V compound layer, a gate dielectric over the second III-V compound layer, and a gate electrode over the gate dielectric. An anode electrode and a cathode electrode are formed on opposite sides of the gate electrode. The anode electrode is electrically connected to the gate electrode. The anode electrode, the cathode electrode, and the gate electrode form portions of a rectifier.
US09755040B2 Semiconductor wafer, method of producing semiconductor wafer and electronic device
To provide a semiconductor wafer having a wafer, a compound semiconductor layer, a first insulating layer and a second insulating layer, wherein in the depth direction, oxygen atoms and nitrogen atoms are continuously distributed, the number of the nitrogen atoms along the depth direction shows its maximum in the first insulating layer, the total number of third atoms and fourth atoms along the depth direction becomes the largest in the compound semiconductor layer, the number of the oxygen atoms at the interface between the compound semiconductor layer and the first insulating layer is smaller than the number of the oxygen atoms at the interface between the first insulating layer and the second insulating layer.
US09755039B2 Semiconductor device having a metal gate electrode stack
A semiconductor device includes a substrate, a gate dielectric layer on the substrate, and a gate electrode stack on the gate dielectric layer. The gate electrode stack includes a metal filling line, a wetting layer, a metal diffusion blocking layer, and a work function layer. The wetting layer is in contact with a sidewall and a bottom surface of the metal filling line. The metal diffusion blocking layer is in contact with the wetting layer and covers the sidewall and the bottom surface of the metal filling line with the wetting layer therebetween. The work function layer covers the sidewall and the bottom surface of the metal filling line with the wetting layer and the metal diffusion blocking layer therebetween.
US09755031B2 Trench epitaxial growth for a FinFET device having reduced capacitance
A FinFET device includes a semiconductor fin, a gate electrode extending over a channel of the fin and sidewall spacers on each side of the gate electrode. A dielectric material is positioned on each side of a bottom portion of said fin, with an oxide material on each side of the fin overlying the dielectric material. A recessed region, formed in the fin on each side of the channel region, is delimited by the oxide material. A raised source region fills the recessed region and extends from the fin on a first side of the gate electrode to cover the oxide material to a height which is in contact with the sidewall spacer. A raised drain region fills the recessed region and extends from the fin on a second side of the gate electrode to cover the oxide material to a height which is in contact with the sidewall spacer.
US09755026B2 Method of manufacturing semiconductor device
A method of forming a semiconductor device includes forming a sacrificial gate pattern on an active pattern, forming spacers on opposite sidewalls of the sacrificial gate pattern, forming an interlayer insulating layer on the active pattern and the spacers, removing the sacrificial gate pattern to form a gate trench that exposes a region of the active pattern, forming a gate dielectric layer on the region of the active pattern exposed by the gate trench, performing a first heat treatment at a pressure of less than 1 atm to remove impurities in the interlayer insulating layer, performing a second heat treatment on the gate dielectric layer at a temperature greater than a temperature of the first heat treatment, and forming a gate electrode in the gate trench.
US09755024B2 Functionalized ZnO or ZnO alloy films exhibiting high electron mobility
Functionalized films are provided comprising a film of ZnO or ZnO alloy disposed over a supporting substrate and a layer of organic molecules comprising terminal carboxylic acid linkage groups, wherein the organic molecules are bound to a surface of the film of ZnO or ZnO alloy via the terminal carboxylic acid linkage groups. Thin film transistors comprising the functionalized films are also provided. The functionalized films may be formed using polycrystalline ZnO and saturated fatty acids, such as stearic acid.
US09755023B2 Photoelectrochemical cell including Ga(Sbx)N1-x semiconductor electrode
The composition of matter comprising Ga(Sbx)N1−x where x=0.01 to 0.06 is characterized by a band gap between 2.4 and 1.7 eV. A semiconductor device includes a semiconductor layer of that composition. A photoelectric cell includes that semiconductor device.
US09755021B2 Integrated multichannel and single channel device structure and method of making the same
An integrated circuit is disclosed that includes a single channel device having a first portion of a single shared heterostructure overlying a substrate structure in a single channel device area, and a gate contact that is in contact with the first portion of the single shared heterostructure. The integrated circuit also includes a multichannel device comprising a second portion of the single shared heterostructure overlying the substrate structure in a multichannel device area, a barrier layer overlying the second portion of the single shared heterorstructure, and a superlattice structure overlying the barrier layer, the superlattice structure comprising a plurality of heterostructures. An isolation region in the single shared heterostructure electrical isolates the single channel device from the multichannel device.
US09755016B2 Integration process to form microelectronic or micromechanical structures
The invention relates to transferring, in one exposure, a single-mask feature to form two features on an underlying material. Specifically, a doubled walled structure (i.e. a center opening flanked by adjacent openings) is formed. Advantageously, the openings may be sub-resolution openings. The center opening may be a line flanked by two other lines. The center opening may be circular and surrounded by an outer ring, thus forming a double wall ring structure. In an electronic fuse embodiment, the double wall ring structure is a via filled with a conductor that contacts a lower and upper level metal. In deep trench embodiment, the double wall ring structure is a deep trench in a semiconductor substrate filled with insulating material. In such a way the surface area of the trench is increased thereby increasing capacitance.
US09755013B2 High density capacitor structure and method
High density capacitor structures based on an array of semiconductor nanorods are provided. The high density capacitor structure can be a plurality of capacitors in which each of the semiconductor nanorods serves as a bottom electrode for one of the plurality of capacitors, or a large-area metal-insulator-metal (MIM) capacitor in which the semiconductor nanorods serve as a support structure for a bottom electrode of the MIM capacitor subsequently formed.
US09755011B2 Organic light emitting display device and manufacturing method thereof
A method of manufacturing an organic light emitting display device can include sequentially forming first and second metal films on a substrate, forming a gate electrode, a first storage electrode and a pad in a thin film transistor region, a storage capacitor region and a pad region, respectively, forming a gate insulation film forming a channel layer opposite to the gate electrode, forming an insulation film, forming an etch stopper on the channel layer and first through third contact holes exposing the gate electrode, the first storage electrode and the pad, forming source and drain electrodes, and a second storage electrode on the gate insulation film opposite to the first storage electrode, forming a third storage electrode overlapping the second storage electrode with a passivation film therebetween, forming color filters in respective pixel regions, and forming an organic light emitting diode electrically connected to the third storage electrode.
US09755010B2 Pixel driver circuit
A pixel driver circuit having only three conductive layers is described. The pixel driver circuit comprises a vertical driver transistor (26) spanning said three conductive layers, wherein a first of said conductive layers (22) on a first side of a middle conductive layer (32) provides a first source-drain connection (52) of said driver transistor, wherein a third of said conductive layers (34) on the opposite side of said middle conductive layer to said first conductive layer provides a gate connection (54) for said vertical driver transistor, and wherein said middle conductive layer provides a second source-drain connection (50) for said vertical driver transistor. The circuit also comprises a lateral switching transistor (30) with source-drain connections (44,46) in one of said three conductive layers. A dielectric layer (16, 20) is provided between said first and second conductive layers and between said second and third conductive layers, and wherein semiconductor material (18) is provided spanning said first and second source-drain connections of said vertical driver transistor. A pixel display element (12) is coupled to said first source-drain connection of said vertical driver transistor.
US09755004B2 Full-color active matrix organic light emitting display with hybrid structure
A full-color AM OLED includes a transparent substrate, a color filter positioned on an upper surface of the substrate, and a metal oxide thin film transistor backpanel positioned in overlying relationship on the color filter and defining an array of pixels. An array of OLEDs is formed on the backpanel and positioned to emit light downwardly through the backpanel, the color filter, and the substrate in a full-color display. Light emitted by each OLED includes a first emission band with wavelengths extending across the range of two of the primary colors and a second emission band with wavelengths extending across the range of the remaining primary color. The color filter includes for each pixel, two zones separating the first emission band into two separate primary colors and a third zone passing the second emission band.
US09754998B2 Semiconductor device and operation method for same
A semiconductor device, includes first, second, and third switching elements. The third switching element comprises first and second terminals. Each of the first and second switching elements comprise a unified ion conductor, a first electrode disposed to contact the ion conductor and supply metal ions thereto, and a second electrode disposed to contact the ion conductor and is less susceptible to ionization than the first electrode. The first electrodes of the first switching element and the second switching element are electrically connected. The first terminal of the third switching element is electrically connected to only the first electrodes which are electrically connected, or the second electrode of the first switching element and the second electrode of the second switching element are electrically connected. The first terminal of the third switching element is electrically connected to only the second electrodes which are electrically connected.
US09754997B2 Magnetic tunnel junction based reconfigurable processing system and components
Resistance elements, including Magnetic Tunnel Junction devices are configured as magnetoelectronic (ME) devices. These resistive devices are useable as circuit building blocks in reconfigurable processing systems, including as logic circuits, non-volatile switches and memory cells.
US09754995B2 Manufacturing method for solid-state imaging device and solid-state imaging device
A method for manufacturing a solid-state imaging device comprises a first step of preparing an imaging element including a second principal surface having an electrode arranged thereon, and a photoelectric converter part configured to photoelectrically convert the incident energy line so as to generate a signal charge; a second step of preparing a support substrate, provided with at least one through hole extending in a thickness direction thereof, having a third principal surface; a third step of aligning the imaging element and the support substrate with each other so that the one electrode is exposed out of the one through hole while the second and third principal surfaces oppose each other and joining the imaging element and the support substrate to each other; and a fourth step of embedding a conductive member in the through hole after the third step.
US09754991B2 Semiconductor device and method of manufacturing thereof
A semiconductor device includes a first semiconductor layer of a first conductivity type having a primary surface and having a sensor therein, a second semiconductor layer of a second conductivity type having a circuit element formed therein. The second semiconductor layer is formed at a same side of the primary surface of the first semiconductor layer. The device further includes an insulating layer formed between the first semiconductor layer and the second semiconductor layer. The insulating layer is disposed on the primary surface of the first semiconductor layer and surrounds the circuit element, and includes a charge-attracting semiconductor pattern of the first conductivity type that is disposed near the circuit element so as to attract electrical charges generated in the insulating layer.
US09754982B2 Packaging module and substrate structure thereof
A substrate structure is provided, including a first insulating layer, a first circuit layer embedded in and bonded to the first insulating layer; a plurality of first conductive posts formed in the first insulating layer and electrically connected to the first circuit layer, a second circuit layer formed on the first insulating layer and electrically connected to the first circuit layer through the first conductive posts, a plurality of second conductive posts and a plurality of conductive bumps formed on the second circuit layer, and a second insulating layer formed on the first insulating layer and encapsulating the second circuit layer, the second conductive posts and the conductive bumps. The second insulating layer has a cavity exposing the conductive bumps. When the substrate structure is applied to a camera lens, a sensor element can be disposed in the cavity to reduce the thickness of the overall packaging module.