| Document | Document Title |
|---|---|
| US09491839B2 |
Driving device and driving method for discharge lamp, light source device, and projector
A light source device includes a discharge lamp including a pair of electrodes arranged to be opposed to each other in a hollow section in which a discharge medium is encapsulated and a driving device. The driving device includes a supplying unit configured to supply an alternating current having a frequency higher than 1 kHz to the pair of electrodes in a high-frequency period and a control unit configured to set at least a first frequency higher than 1 kHz and a second frequency higher than 1 kHz and different from the first frequency as the frequency of the alternating current, switch an alternating current having the first frequency and an alternating current having the second frequency in the high-frequency period, and control the supplying unit to repeat the high-frequency period to supply an alternating current to the pair of electrodes. |
| US09491835B2 |
Method for improving the illumination of an illumination region from an illumination device
A method for improving the illumination of an illumination region (100), in particular of an operation region, from an illumination device (10), includes at least two light modules (20) and at least one sensor device (30) for detecting depth information. The method includes the steps of monitoring a monitored volume (110) between the light modules (20) and the illumination region (100), identifying the position and the geometry as object data of at least one object (200) within the monitored volume (110), comparing the identified object data with beam paths (S) from the light modules (20), and modifying the light intensity of at least one light module (20) on the basis of the comparison between the identified object data with beam paths (S) from the light modules (20). |
| US09491824B2 |
Method and apparatus for precise temperature brightness compensation of LED
The invention is a method and apparatus to provide a temperature compensation for LED brightness utilizing temperature dependence of voltage-current characteristic of the LED. Methods ensure the precise compensation of brightness of LED using two or more temperatures to tune an LED driver circuit without the use of thermistors or other temperature sensor.This method also allows for circuits that compensate brightness not only of a single LED but of an assembly of LEDs. The method allows to manufacture LED modules with built-in temperature brightness compensation circuit. These modules can be used in a variety of illuminating equipment including but not limited to home lights, vehicle turn or brake signals, traffic lights, and a backlight for LCD display. |
| US09491815B2 |
LED luminaire driving circuit and method
A resonant converter is provided with a plurality of secondary transformer windings. A first secondary winding provides a fixed output, which is utilized to control the switching frequency of the resonant converter. A second secondary winding drives one or more LED luminaires, and is provided with a secondary side resonant circuit. When the feedback from the first output calls for a reduced frequency so as to increase the output, the reduced frequency results in an increased impedance of the secondary side resonant circuit so as to prevent any voltage rise for the LED luminaires. When the feedback from the first output calls for an increased frequency so as to reduce the output, the increased frequency results in an decreased impedance of the secondary side resonant circuit so as to prevent any voltage fall for the LED luminaires. |
| US09491814B1 |
Systems, devices, and methods for infinite dimming of semiconductor lights
Infinite dimming circuits, devices, systems, and methods of use are provided herein. In one embodiment, a dimming driver integrated circuit (IC) is configured to compensate for flicker caused by alternating current (AC) waveform valleys of an operational reference provided by an AC source, the dimming driver IC having a main interface and a secondary interface, the main interface receiving the operational reference, the secondary interface receiving a compensating reference which is relative to the operational reference, the dimming driver IC using both the operational reference and the compensating reference to create a compensated waveform that drives the semiconductor light while removing flicker at any luminance level. |
| US09491803B2 |
Ceramic structure, ceramic heater, and glow plug including the ceramic heater
The ceramic structure of the present invention includes a ceramic substrate, a conductor layer containing a glass component and disposed on a surface of the ceramic substrate, and a brazing filler material covering the surfaces, including the side surfaces, of the conductor layer. A reaction zone of the ceramic substrate, the conductor layer, and the brazing filler material located in a boundary region between the ceramic substrate, the conductor layer, and the brazing filler material. |
| US09491802B2 |
On-chip alkali dispenser
Embodiments described herein provide for an on-chip alkali dispenser. The on-chip alkali dispenser includes a monolithic semiconductor substrate defining a trench therein, and an evaporable metal material disposed in the trench. A heating element is disposed proximate the evaporable metal material and configured to provide heat to the evaporable metal material. A getter material is disposed to sorb unwanted materials released from the evaporable metal material. |
| US09491794B2 |
Method for quickly establishing trunking service and related device and system
The present invention discloses a method for quickly establishing a trunking service. The method includes: receiving, by a base station device, indication information that a user equipment has entered a trunking service mode, where the indication information is sent by an evolved packet core network device; responding to the indication information, and creating a radio resource control connection with the user equipment; responding to the indication information, and generating radio resource connection configuration information including a discontinuous reception cycle; sending the radio resource connection configuration information to the user equipment, so that the user equipment configures the discontinuous reception cycle as a discontinuous reception cycle of the user equipment itself; and when the user equipment is in the trunking service mode, retaining the radio resource control connection with the user equipment according to the radio resource connection configuration information. |
| US09491792B2 |
Method, apparatus, and system for measurement for device-to-device communication
Embodiments of the present invention disclose a method, apparatus, and system for measurement for D2D communication, used to reduce blindness of measurement in a mechanism of D2D communication between terminals. The method in an embodiment of the present invention includes: sending directly or forwarding, by an access point to a wireless network management entity, a consulting message for D2D communication between terminals; requesting the wireless network management entity to calculate a performance evaluation parameter for D2D communication between the terminals, so as to evaluate feasibility of measurement for D2D communication between the terminals; determining, according to a received performance evaluation parameter for D2D communication between the terminals, to perform the measurement for D2D communication between the terminals, and performing measurement configuration for the terminals; and determining, according to a result of the measurement for D2D communication between the terminals, to perform D2D communication between the terminals. |
| US09491788B1 |
Bicycle wireless system
A bicycle wireless system is basically provided with a first bicycle component, a second bicycle component and a terminal device. The first bicycle component includes a first wireless communication unit. The second bicycle component includes a second wireless communication unit. The terminal device includes an identification acquiring section and a pairing section. The identification acquiring section is configured to acquire identification information from one of the first and second bicycle components. The pairing section is configured to pair the first and second bicycle components for wireless communications. |
| US09491786B1 |
Systems and methods for space-based digital selective calling
Systems (100) and methods (300) for providing Digital Selective Calling (“DSC”) based services. The methods involve: receiving, by a satellite (104) deployed in space, a DSC emergency message transmitted from a vessel (102) located in a body of water on Earth; and performing operations by the satellite to deliver the DSC emergency message to an appropriate authority located on Earth. |
| US09491784B2 |
Streaming common media content to multiple devices
Systems and associated methods for providing a plurality of devices the same media content. A plurality of requests for media content may be received where each of the plurality of requests is received from a respective device. It may be determined whether the plurality of requests for media content are for the same media content. In response to determining that the plurality of requests are for the same media content, a single request for the media content may be generated. The media content may be received in response to the single request and the media content may be stored in a memory medium. The media content may be provided to each of the respective devices in response to the plurality of requests. |
| US09491771B2 |
Communication system and method for mitigating interference in hierarchical cell structure
A method for mitigating interference at a small base station in a hierarchical cell structure is provided. In the method, the small base station checks a sub-frame allocated to macro user equipment by using a downlink signal received from a macro base station when an interference candidate user equipment list is received. The interference candidate user equipment list contains information on the macro user equipment adjacent to a femto cell controlled by the small base station. Then the small base station allocates other sub-frame to femto user equipment located in the femto cell by avoiding the sub-frame allocated to the macro user equipment. |
| US09491769B2 |
Method and system for implementing mobile relay
A method for implementing mobile relay station is provided. The method includes performing spectrum sensing at least one spectrum sensing entity in a base station, a mobile relay station and a user terminal, sending, by the spectrum sensing entity, the result of spectrum sensing to a spectrum managing entity in the mobile communication system, allocating, by the spectrum managing entity available spectrum to a first link between the mobile relay station and the base station and allocating, by the spectrum managing entity, the available spectrums to a second link between the mobile relay station and the user terminal as working spectrum. The present invention also provides a mobile relay station system. The present invention can solve the problem of capacity bottleneck in the backhaul links and access links in high speed wireless environment. |
| US09491768B1 |
Wireless communication user equipment on-board policy enforcement
A user equipment (UE) is disclosed. The UE comprises a processor, a memory storing a usage policy, and an enforcement application stored in the memory. When executed by the processor, the enforcement application reads the usage policy, evaluates compliance of one of a UE configuration and a UE usage with the usage policy, determines that the UE configuration or UE usage are non-compliant with the usage policy; and presents a restricted screen on the touchscreen display, wherein the restricted screen provides touch input controls only for selecting to originate an phone call to emergency services (e911 call) and to at least one of restore the UE configuration to comply with the usage policy or adapt UE usage to comply with the usage policy. |
| US09491767B2 |
Method and system for frequency reuse in wireless relay scenario
The disclosure provides a method for frequency reuse in a wireless relay scenario, wherein a center frequency spectrum, an edge frequency spectrum and a random access frequency spectrum are pre-allocated to a cell according to a scenario parameter in the cell; load conditions of all mobile stations (MSs) covered by each relay station (RS) in the cell is calculated and reported to a base station (BS); the BS allocates the random access frequency spectrum to an RS according to load conditions of all RSs and schedules MSs. The disclosure also provides a system for frequency reuse in a wireless relay scenario. With the method and system above, the frequency spectrum planning is configurable, the random access frequency spectrum is introduced, and both the load balancing and user fairness are taken into consideration, which improves the throughput at the edge of the cell, especially can increase the throughput for the users whose throughput ranks poorly. |
| US09491766B2 |
Device-to-device communication scenario
A method, apparatus, and computer program for supporting simultaneous multi-use of resources of a backhaul link between a relay base station and another base station of a cellular radio network. The relay base station is configured to forward transmission resources of the backhaul link to at least one communication device located in a cell of the relay base station. The communication device(s) is/are then configured to utilize the resources of the backhaul link for device-to-device connections. |
| US09491764B1 |
Mesh network adjustment
Methods, apparatuses, and systems relating to narrow beam communications and wireless networking are disclosed. Exemplary methods for wireless networking and communications may include identifying a geographic area, receiving location data relating to the geographic area, receiving network performance data, analyzing the location data and the network performance data, identifying a first access point in the geographic area based at least in part on the analyzing, and adjusting a narrow beam communication device a predetermined amount relating to the first access point based at least in part on the analyzing. |
| US09491763B2 |
Methods and systems of adjusting antenna electrical tilt
There is provided a computer-implemented method for selecting an electrical tilt angle for at least one cellular antenna comprising: receiving at least one parameter indicative of mobile client resource use associated with at least one cellular antenna, the at least one cellular antenna being part of a plurality of antennas arranged in at least one cluster as part of a cellular network; and iteratively adjusting an electrical tilt angle of the at least one antenna so that the at least one parameter indicative of client resource use is maintained within at least one predefined threshold, thereby providing users of the mobile clients of the at least one cellular antenna with at least a level of service within the at least one predefined threshold. |
| US09491761B2 |
Full duplex communication system using disjoint spectral blocks
The invention involves utilizing pieces of disjoint spectral blocks. In one embodiment, a frequency division duplex approach is used, where each spectral block is utilized solely for either uplink or downlink communications. In another embodiment, a time division duplex approach is used, where each spectral block is time divided and uplink and downlink communications are assigned to different time slots within the same spectral blocks. In another embodiment, a code division duplex approach is utilized, where uplink and downlink communications are assigned different codes/hopping patterns within a same spectral block. |
| US09491760B2 |
Partitioning of frequency resources for transmission of control signals and data signals in SC-FDMA communication systems
A method for the partitioning frequency resources used in the transmission of control signals and data signals by user equipments in a communication system. The control signals and data signals are for periodic transmission and dynamic transmission. Also provided is an apparatus and method for user equipments to determine the first frequency unit available for the transmission of dynamic control signals, such as acknowledgement signals associated respective reception of data signals configured through a scheduling assignment by a serving Node B. The utilization of the operating bandwidth is maximized by avoiding fragmentation and facilitates the achievement of reception reliability targets particularly for control signals. |
| US09491756B2 |
White space usage for wireless local area network devices
A method and apparatus are described including defining a neighbor set for each access point, selecting a first clock in a first access point, the selected clock having a highest accuracy as a grand master clock, advising neighboring access points to synchronize with the selected grand master clock and transmitting a message to schedule a quiet period based on the grand master clock. Also described are a method and apparatus including receiving a beacon message, inspecting clock descriptors in the beacon message, selecting a best master clock responsive to the inspection and transmitting a message to schedule a quiet period based on the selected best master clock. |
| US09491752B2 |
Techniques for enabling asynchronous time division duplexing transmissions in an unlicensed radio frequency spectrum band
Techniques are described for wireless communication. One method includes monitoring, by a first base station of a first operator, for uplink configuration information and downlink configuration information associated with a second base station of at least one second operator; identifying a transmission timing of one or more uplink transmissions to the second base station of the at least one second operator based at least in part on the uplink configuration information; and prohibiting access to an unlicensed radio frequency spectrum band by the first base station of the first operator during the identified transmission timing of the one or more uplink transmissions. Transmissions of the second base station of the at least one second operator in the unlicensed radio frequency spectrum band may be asynchronous to transmissions of the first base station of the first operator in the unlicensed radio frequency spectrum band. |
| US09491751B2 |
Method and apparatus for transreceiving downlink signal by considering antenna port relationship in wireless communication system
The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting or receiving a downlink signal by considering an antenna port relationship. A method for user equipment decoding an enhanced physical downlink control channel (EPDCCH) in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining a quasi co-location (QCL) of an antenna port of the EPDCCH; and decoding the EPDCCH based on the QCL with respect to the antenna port of the EPDCCH. The user equipment can determine a QCL assumption between an antenna port of an EPDCCH demodulation reference signal and an antenna port of a different reference signal based on the type of a QCL assumption with respect to a PDSCH. |
| US09491749B2 |
Radio communication method, radio communication system and radio base station
To appropriately allocate radio resources to downlink control information, in the enhanced downlink control channel, a radio communication method in which a radio base station transmits downlink control information to each user terminal via an enhanced downlink control channel frequency division multiplexed with a downlink shared data channel is provided. The method includes generating the downlink control information in eCCE unit, the eCCE being made up with a plurality of eREGs, and mapping the downlink control information in eREG unit to a plurality of resource regions for the enhanced downlink control channel. Each eREG is made up with a plurality of REs, and the radio base station performs mapping to each of the resource regions in such a manner that the enhanced resource element groups (eREGs) are uniform in number of resource elements. The REs that make up 1 eREG are distributed to a plurality of OFDM symbols. |
| US09491745B2 |
Method for transmitting and receiving uplink control information, terminal, base station
A method for transmitting and receiving Uplink Control Information (UCI), a terminal, and a base station are provided. The transmitting method includes: calculating the number (Q′) of modulation symbols occupied by the UCI to be transmitted; dividing the information bit sequence of the UCI to be transmitted into two parts; using Reed Muller (RM) (32, 0) codes to encode each part of information bit sequence of the UCI to be transmitted to obtain a 32-bit coded bit sequence respectively, and performing rate matching so that the rate of the first 32-bit coded bit sequence is ┌Q′/2┐×Qm bits and that the rate of the second 32-bit coded bit sequence is (Q′−┌Q′/2┐)×Qm bits; and mapping the two parts of coded bit sequences that have undergone rate matching onto a Public Uplink Shared Channel (PUSCH), and transmitting the coded bit sequences to a base station. |
| US09491743B2 |
Method for transmitting control information and apparatus for same
The present invention pertains to a wireless communication system. Particularly, the present invention relates to a method for transmitting uplink control information and an apparatus for the same, wherein the method comprises the steps of: selecting one uplink control channel resource corresponding to a plurality of HARQ-ACKs, from a plurality of uplink control channel resources; and transmitting a bit value corresponding to the plurality of HARQ-ACKs through the use of the selected uplink control channel resource. |
| US09491739B2 |
Header type notification for co-existence of legacy header and new headers on same radio link
The exemplary embodiments of this invention generally relate to message header-type notification that, for example, enables the co-existence of a legacy header type with one or more new header types on a same radio link. In one non-limiting, exemplary embodiment, a method includes: determining a type of medium access control (MAC) header to transmit in a MAC transmission; setting a value of a notification field in a resource allocation message based on the determined type of MAC header; and transmitting the resource allocation message. In another non-limiting, exemplary embodiment, a method includes: receiving a resource allocation message having a notification field; and using a value of the notification field to determine a type of medium access control (MAC) header for a MAC transmission. |
| US09491738B2 |
Managing downlink and uplink resources for low cost user equipments
Certain aspects of the present disclosure relate to techniques for assigning resources for low cost user equipments (UEs). A method for wireless communications by a user equipment (UE) is provided. The method generally includes determining a first bandwidth, within a second bandwidth, for resources available for downlink data transmissions, wherein the first bandwidth is smaller than the second bandwidth, determining a third bandwidth for resources available for uplink transmissions, wherein a bandwidth for resources available for uplink transmissions is different than the bandwidth for resources available for downlink transmissions, wherein the third bandwidth is greater than the first bandwidth, and communicating with a network using the determined downlink and uplink resources. |
| US09491734B2 |
Method for transmitting and receiving paging information in a broadband wireless access system
A method for efficiently transmitting and receiving a paging message and system information from and in a mobile station of a broadband wireless access system is disclosed. A method for receiving a paging message in a mobile station comprises receiving paging information from a serving base station, the paging information including paging sub group identifier (paging sub group ID) indicating a paging sub group to which the mobile station belongs; and receiving the paging message for a predetermined paging interval of the paging sub group, wherein the paging sub group is determined separately from a paging group and a geographical location determining the paging group, and is maintained while the mobile station is being operated in an idle mode. |
| US09491733B2 |
Method for providing information through wireless LAN and apparatus therefor
Disclosed is a method of determining, by an access point (AP), a location of a terminal by use of a wireless local area network (LAN). The method may include detecting a probe request frame transmitted by a terminal searching for a wireless LAN through active scanning, obtaining a MAC address of the terminal from a configuration value of an SA field of the probe request frame regardless of a configuration value of a BSSID field of the probe request frame, and transmitting the MAC address of the terminal and ID information of the AP to a server. |
| US09491719B2 |
Method, system and apparatus for power headroom report
Embodiments of the present invention relate to wireless communication technology field, especially relate to a method, system and apparatus for power headroom report, for the use of power headroom report when a User Equipment (UE) aggregates carriers under different enhanced NodeBs (eNBs). Embodiments of the present invention provide a method for power headroom report, including: a user equipment which aggregates resources of multiple network equipment determines power headroom information; said user equipment sends said power headroom information to at least one of the network equipment participating in aggregation. Because the user equipment which aggregates resources of multiple network equipment reports the power headroom information to at least one of the network equipment participating in aggregation, sequentially the power headroom information is enabled to be reported when the UE aggregates carriers under different eNBs, multiple eNBs further can obtain the power headroom information in the case of inter-eNBs-aggregation, and resource scheduling is enabled. |
| US09491717B2 |
Method for determining uplink transmission power in a network including a plurality of cells, and apparatus therefor
Disclosed is a method for determining uplink transmission power in a network including a plurality of cells, and an apparatus therefor. The method for a terminal to determine uplink transmission power in a network including a plurality of cells may comprise the following steps: receiving information including values of path-loss compensation factors set for each of the plurality of cells; determining uplink transmission power using the value of the path-loss compensation factor corresponding to the cell, from among the plurality of cells, in which the terminal is currently located; and a step of transmitting an uplink signal using the determined transmission power. |
| US09491714B2 |
Interference cancellation method, system, device and UE
Examples of the present application provide an interference cancellation method, system, device and a UE. The interference cancellation method of a communication network including a plurality of User Equipments (UEs) and Base Stations (BSs) includes: acquiring a Signal to Noise Ratio (SNR) and Interference to Noise Ratio (INR) of a downlink signal detected by a first UE and a SNR and INR of a downlink signal detected by a second UE, respectively through a first BS and a second BS; and notifying the first BS and the second BS of a transmission mode of associated UEs, wherein the first UE is located in a cell served by the first BS, and the second UE is located in a cell served by the second BS. |
| US09491713B2 |
Compensator module for a transceiver unit, radio system and method of operating thereof
A compensator module (100), which can be connected to a transceiver unit (200) by an antenna cable (24), comprising a signal input (31) configured for supplying a provided transmitter power (SL) in a first frequency band (FB1), which is provided by the transceiver unit (200) to the compensator module (100) as a transmitter input power (ESL), a transmitter amplifier (9) for amplifying the supplied transmitter input power (ESL) to an transmitter output power (ASL), a signal output (32) for delivering the transmitter output power (ASL) in the first frequency band (FB1) to an antenna (ANT) or an equivalent load (13), wherein the compensator module (100) is configured generate a parameter (K) which represents the output transmitter power (ASL), and wherein the compensator module (100) comprises a data interface (33) configured to transmit the parameter (K) to the transceiver unit (200) over the antenna cable (24). |
| US09491710B2 |
Uplink transmission power and bit rate control
Joint uplink transmission power and bit rate control is provided. Data bits are received by a network Node B on an enhanced dedicated channel, E-DCH, from a user equipment, UE. End-user quality of service, QoS, for the received data bits is estimated. System coverage at a radio receiver of the network Node B is estimated. The estimated end-user QoS and the estimated system coverage represent a current working point of the UE. The current working point of the UE is related to a preferred working point. As a result thereof a transmission power control, TPC, command and a scheduling grant, SG, is determined for the UE so as to move the current working point towards the preferred working point and thereby adjust uplink transmission power and bit rate. |
| US09491707B2 |
Control channel signaling and power control with discontinuous transmissions on dedicated channels to reduce current consumption during voice calls
Methods and apparatuses for uplink and downlink wireless communication are presented. For example, a method of uplink mobile communication at a user equipment is presented, which may include compressing two consecutive voice packets having a first voice packet transmission time interval into two compressed voice packets having a second voice packet TTI. In addition, the method may include compressing signaling data corresponding to a first dedicated control channel (DCCH) TTI into compressed signaling data having a second DCCH TTI and multiplexing the two compressed voice packets and the compressed signaling data to form a multiplexed packet. Furthermore, the method may include splitting the multiplexed packet into a first and second subpacket, transmitting the first subpacket during a first subpacket interval having a subpacket TTI, and transmitting the second subpacket during a second subpacket interval subsequent to the first subpacket interval, wherein the second subpacket interval has the subpacket TTI. |
| US09491706B2 |
Reduced-power transmitting from a communications device
Aspects of the present disclosure teach decreasing, in a time-averaged regime, the amount of RF energy emitted by a communications device. Generally speaking, the network tells the communications device what power level it should transmit at. If, however, the device determines that it would exceed an emission standard by transmitting at the specified power level for as long as it needs to in order to carry out its transmission duties, then the device can instead decide to transmit at a lower power level. Alternatively (or in combination), the device can, instead of transmitting all the time while it has data to send, only transmit intermittently. In either case, the emitted electromagnetic energy, as averaged over a period of time, is reduced below the maximum allowed by the standard. Later, if possible and necessary, the device can again transmit at a higher power level or more frequently. |
| US09491700B2 |
Method by which stations operating in power save mode in wireless LAN systems transmit and receive frames, and apparatus for supporting same
The present invention relates to a method by which a station (STA) which operates in power save mode in a wireless LAN system transmits and receives frames. The method includes the steps of: obtaining a channel access authority on the basis of at least one slot time, wherein each slot time is the unit time when a channel is maintained in an idle state for a channel access by the STA; transmitting a power save (PS) poll frame requesting the transmission of a buffered frame to an access point (AP); and receiving a response frame from the AP in response to the PS poll frame. The length of each slot time is set to be longer than the transmission time of the PS poll frame. |
| US09491696B2 |
Radio communication system, mobile terminal, base station, and storage unit for mobile terminal
A mobile terminal transmits a first message to a hybrid cell base station, the first message indicating the presence of the mobile terminal trying to establish a connection, the first message containing information unique to the mobile terminal. The hybrid cell base station receives the first message, and transmits a first response message in response to the first message to the mobile terminal. |
| US09491693B1 |
Out-of-service scanning for multi-SIM devices
Apparatuses, systems, and methods for multi-SIM user equipment (UE) devices to search for service. A UE may determine that a first SIM of the UE is out-of-service. The UE may scan for service for the first SIM of the UE using a second SIM of the UE. An indication may be provided to the first SIM if service (or service information) is found for the first SIM. If the second SIM is also out-of-service, the UE may scan for service for the first SIM and the second SIM jointly. |
| US09491687B2 |
Method and telecommunications infrastructure enabling localized time controlled access for a device
An infrastructure and method for controlling wireless access to a telecommunications infrastructure for a device includes a first access grant time interval applicable for granting access for the device to the telecommunications infrastructure stored in a device register system. The first access grant time interval is applied when the device requests access to the telecommunications infrastructure via a first network node of the telecommunications infrastructure. However, a second access grant time interval is applied in a second network mode of the telecommunications infrastructure when the device requests access via the second network node. The second access grant time interval is applicable for granting access for the device to the telecommunications infrastructure and is different from the first access grant time interval. |
| US09491683B2 |
Mobile network with software defined networking architecture
A network core with a software defined networking (“SDN”) controller is provided to control routing of traffic within the network and between the network and the traffic destination. The SDN controller is merged with existing 3rd Generation Partnership Project (“3GPP”) network architecture to enable service deliveries via open application programming interfaces (“APIs”) and move the network core towards an all internet protocol (“IP”), cloud based, and software driven telecom network. The SDN controller can work with, or take the place of policy and charging rules function (“PCRF”) network elements, so that policies such as quality of service and traffic management and routing can be synchronized and managed end to end. |
| US09491681B2 |
Apparatus and method for supporting data transmission service over multiple networks
A transmitting device includes a communication unit to transmit data through two or more networks including a first network and a second network, and a transmission controller to control the communication unit to transmit data to a receiving device through the first network, and transmit the data, which is to be transmitted to the receiving device through the first network, to the receiving device through the second network in response to a message from the receiving device indicating a data roundabout transmission request state of the receiving device with respect to the first network. |
| US09491668B2 |
Methods of and nodes for informing a control node in a serving communication network of address information about a session anchor node in the serving communication network
A method of informing a control node in a serving communication network of address information about a session anchor node in the serving communication network is described. The control node is accessible by a terminal via a circuit switched access of the serving communication network. The serving communication network of the terminal is different from an internet protocol based home communication network of the terminal. The method is executed by a session anchor node in the home communication network. The method includes receiving an update request for the control node being updated of address information about the session anchor node in the serving communication network, receiving address information about the session anchor node in the serving communication network, and sending the received address information based on the received update request. |
| US09491660B2 |
Support data connectivity over WLAN and WWAN
Methods, systems, and devices are described for managing data connectivity at a user equipment (UE). The managing may include determining that all traffic of all PDN connections of the UE is currently offloaded to a Wireless Local Area Network (WLAN) access network and then refraining from transmitting and receiving data over Wireless Wide Area Network (WWAN) PDN connections while all traffic of all PDN connections of the UE is offloaded to the WLAN access network. In response to detecting a triggering event, a PDN connection may be established with at least one of an available WWAN access network or the WLAN access network, according to a current WWAN camping status of the UE and a WLAN offload policy. |
| US09491651B2 |
Adjusting measurement requirements for parallel uplink wireless signal measurements
Systems, methods, and apparatuses are presented for performing parallel uplink wireless signal measurements (UL measurements), in which a signal measuring apparatus determines information on UL measurements being performed or to be performed by the signal measuring apparatus over a predetermined measurement period. The signal measuring apparatus further determines a capability of the signal measuring apparatus to perform parallel UL measurements. The signal measuring apparatus may adjust a measurement requirement or a measurement resource based on a comparison of the UL measurements being performed or to be performed over the measurement period with a capability of the measuring apparatus to perform parallel measurements. The signal measuring apparatus performs the UL measurements based on the adjusted measurement requirement or adjusted measurement resource. |
| US09491649B2 |
Method and apparatus for transmitting periodic feedback report
Disclosed in the present invention are a method and an apparatus for transmitting a periodic feedback report. In this case, the method includes: coding a periodic feedback report to be transmitted and data information corresponding to a transmission block respectively, wherein the periodic feedback report includes one of the following information: a combined coding index of rank indicator (RI) information and first pre-coding matrix indicator (PMI-1) information, a combined coding index of the RI and pre-coding type indication (PTI) information, and the PMI-1; intercepting correspondingly coded information according to the target length; and when a transmission block corresponds to a single layer or multiple layers, carrying out channel interleave on the coded information on the single layer or multiple layers to be transmitted on the transmission block, and transmitting the interleaved information on a layer corresponding to a physical uplink shared channel (PUSCH). |
| US09491648B2 |
Apparatus and method for transmitting channel state information in a wireless communication system
An apparatus and method for transmitting channel state information in a wireless communication system are disclosed. The UE apparatus for transmitting channel state information includes a channel state measurement module for measuring a channel state based on a level of interference received from a neighbor cell, a channel state information generation module for generating channel state information for a plurality of resource regions or for periodic and aperiodic channel state information reporting modes using the measured channel state and offsets received from a serving BS, the offsets being set for the plurality of resource regions or the periodic and aperiodic channel state information reporting modes, and a transmission module for transmitting the generated channel state information to the serving BS. |
| US09491647B2 |
User equipment
A Channel State Information (CSI) feedback method and a User Equipment (UE) are provided for better support of Joint Transmission (JT) and Beamforming/Coordinated Scheduling (CB/CS). For JT, phase information for an adjacent Base Station (BS) is fed back. For CB/CS, enhanced CSI for an adjacent BS is fed back. The UE according to the present invention includes: a coordinated BS set determining unit configured for determining a set of coordinated BSs participating in multi-BS coordination, the set of coordinated BSs containing a serving BS and at least one non-serving BS; and a CSI feedback unit configured for feeding back CSI for JT or CB/CS for each non-serving BS in the set of coordinated BSs. The present invention has the advantages of simple implementation and low overhead and is applicable in LTE-A and 4G systems. |
| US09491646B2 |
Measuring device and a method for measuring a signal with several component signals
A measuring device for measuring a signal with a first component signal and at least one second component signal comprises a high-frequency processing device, which is embodied to mix the signal in order to form an intermediate-frequency signal and to digitize the latter in order to form a digital composite signal. The measuring device further comprises a digital mixer, which is embodied to generate a first digital composite test signal and a second digital composite test signal subject to a displacement of the frequency of the digital composite signal. Moreover, the measuring device comprises a digital filter, which is embodied to filter the first digital composite test signal in order to form a first digital test signal and to filter the second digital composite test signal in order to form a second digital test signal. |
| US09491644B2 |
Method and device for determining resumption of suspended multimedia broadcast multicast service, and user equipment
Provided is a method for determining the resumption of a suspended Multimedia Broadcast Multicast Service (MBMS), which includes: when the MBMS service is intended to be resumed after being suspended, triggering a network side to send an MBMS Control Channel (MCCH) notification message for indicating to change an MCCH message; determining, by User Equipment (UE), that the suspended MBMS service is resumed by reading the MCCH notification message and the changed MCCH message. A device and a UE for determining the resumption of an MBMS is also provided. |
| US09491643B2 |
User apparatus and method in mobile communication system
A user apparatus including at least operation modes of a connection mode and an idle mode, includes: a measurement unit that measures radio quality in the idle mode according to measurement target information (Config#m, Config#n) indicating that the user apparatus is set beforehand to report a measurement value of radio quality to a management node; a storage unit that stores the measurement target information and the measurement value of radio quality measured by the measurement unit; and a transmission unit that transmits, in the connection mode, an indicator indicating that there is the measurement value of radio quality to the management node, and transmits a report signal including the measurement value of radio quality to the management node according to a request from the management node, wherein, when the user apparatus obtains new measurement target information (Config#n), the storage unit stores the new measurement target information according to a predetermined updating rule (reconfiguration model). |
| US09491642B2 |
Base station and antenna tilt angle control method
A base station includes an antenna, a sending unit, a monitoring unit, and a controlling unit. The antenna is configured to be operated corresponding to a communication area of the base station, the antenna being capable of controlling a tilt angle, the tilt angle being an angle made by a vertical direction and a direction of a main beam of the antenna. The sending unit is configured to send a command corresponding to adjustment of timing of sending a signal sent from a mobile station. The monitoring unit is configured to monitor the number of mobile stations present in the communication area by using the command. The controlling unit is configured to reduce the tilt angle when the number of mobile stations exceeds an upper limit allowed to be contained in the communication area. |
| US09491641B2 |
IQ imbalance image compensation in multi-carrier wireless communication systems
A method in a wireless communication terminal includes receiving an aggregated carrier including a first component carrier and a second component carrier, determining a level of interference from a signal received on the first component carrier to a signal on the second component carrier based on a signal characteristic of the first component carrier and a signal characteristic of the second component carrier, and providing signal interference information to a serving base station if the determined interference level satisfies a condition. |
| US09491640B2 |
Method and system for switching working mode for backward compatible broadband wireless network
The disclosure discloses a method and a system for switching a working mode for a backward compatible broadband wireless network, in order to solve the technical problem of switching between each working mode when various compatible modes based on different channelized sets exist in the broadband wireless network. In the disclosure, an access point (AP) indicates its current working mode by a system configuration message; the AP instructs a non-AP associated with the AP to switch a working mode by a mode switching message or a frame exchange sequence; and the non-AP switches the working mode according to instruction information included in the mode switching message or the frame exchange sequence after receiving the mode switching message or the frame exchange sequence. Through the scheme of the disclosure, a wireless point can be switched between each working mode when various compatible modes based on different channelized sets exist in the broadband wireless network, thereby setting up a broadband wireless network supporting backward compatibility. |
| US09491637B2 |
Portable wireless node auxiliary relay
Disclosed herein are example embodiments for portable wireless node auxiliary relay. For certain example embodiments, at least one device, such as an auxiliary relay item: (i) may serve as a relay between a portable wireless node and a fixed wireless node; or (ii) may communicate with at least one of a portable wireless node or a fixed wireless node using one or more antenna assembly configuration parameters that are associated with at least one orientation position. However, claimed subject matter is not limited to any particular described embodiments, implementations, examples, or so forth. |
| US09491636B2 |
Methods for using a detector to monitor and detect channel occupancy
Methods for using a detector to monitor and detect channel occupancy are disclosed. The detector resides on a station within a network using a framed format having a periodic time structure. When non-cooperative transmissions are detected by the network, the detector assesses the availability of a backup channel enabling migration of the network. The backup channel serves to allow the network to migrate transparently when the current channel becomes unavailable. The backup channel, however, could be occupied by another network that results in the migrating network interfering with the network already using the backup channel. Thus, the detector detects active transmission sources on the backup channel to determine whether the backup channel is occupied. Methods for using the detector include scheduling detection intervals asynchronously. The asynchronous detection uses offsets from a reference point within a frame. |
| US09491633B2 |
System and method for policy-based spectrum management
Managing spectrum use in a managed area where spectrum use is carried out by an incumbent user on an intermittent basis includes sensing spectrum use in the managed area and determining that the incumbent spectrum user is actively using spectrum in the managed area by analyzing sensor data. A spectrum use policy associated with characteristics of the determined spectrum use is made and one or more secondary spectrum users are notified that spectrum defined in the identified policy is unavailable for use by the one or more secondary users. |
| US09491630B2 |
Mobile communication system and mobile communication method
A mobile communication method is applied to a mobile communication system comprising a general base station that manages a general cell and a specific base station that manages a specific cell having a coverage area smaller than a coverage area of the general cell. The mobile communication method comprises: a step A of notifying, by the general base station, the specific base station of scheduling information indicating an uplink radio resource to be assigned to general mobile terminals that are mobile terminals in a connected state in the general cell, at a time interval of a predetermined time; and a step B of notifying, by the specific base station, the general base station of general mobile terminal interference information indicating interference that the specific cell receives according to the uplink signals transmitted from the general mobile terminals at the time interval of the determined time. |
| US09491625B2 |
Access point apparatus for configuring multiple security tunnel, and system having the same and method thereof
A wireless access point apparatus for configuring a multiple data security tunnel, and a system having the same and a method thereof, and more particularly, a technology associated with a wireless access point apparatus that supports a wireless secure throughout all layers in a wireless network section. The wireless access point apparatus for configuring a multiple data security tunnel includes: a control security tunnel managing unit managing a control security tunnel that transfers policies and authentication information for wireless network access control and management; and a multiple data security tunnel managing unit creating a data security tunnel for each of a plurality of wireless terminals, while, creating and managing the multiple data security tunnel for each of application services of the plurality of wireless terminals. |
| US09491624B2 |
Public key cryptography for applications requiring generic bootstrap architecture
A mobile terminal is configured to store information associated with accessing an application that requires bootstrapping; recognize an invocation of the application; identify a rule, included in the information, associated with accessing the application; determine whether the rule indicates that a user of the mobile terminal is allowed to access the application; determine whether the mobile terminal supports the bootstrapping; and provide access to the application when the rule indicates that the user of the mobile terminal is allowed to access the application and when the mobile terminal supports the bootstrapping. |
| US09491622B2 |
Motion-based authentication for a gesture-based device
A motion-based authentication method is operative in a mobile computing device having a display interface and that includes an accelerometer. Normally, the device software includes a locking mechanism that automatically locks the display interface after a configurable timeout. The authentication method operates to un-lock the display interface (and thus allow the user access to the device) by movement of the device in a predetermined series of physical movements and without display-based entry of a password or other access code on the display itself. In this manner, the user can un-lock the device without display-based entry of a password (on the display itself) by simply holding the device and performing the necessary movement(s) to generate the unique code. |
| US09491618B2 |
Serving network authentication
A method, an apparatus, and a computer program product for wireless communication are provided. The method may include establishing a connection with a serving network, transmitting an encrypted authentication credential that includes a randomly selected key encryption key (KEK) and a serving network identifier to the serving network, receiving authentication information and a signature from the serving network, and authenticating the serving network by verifying the signature based on the KEK. The encrypted authentication credential may be operative to identify the serving network. The signature may be generated using the KEK. |
| US09491614B2 |
Reduced context or context-less short message transmission for machine—type—communication
A mobile communications network communicating data to/from communications devices, the network including base stations operable to provide a wireless access interface to communications devices; communications devices operable to communicate packets with the base stations via the wireless access interface; packet gateways operable to transmit user data packets received via the base stations from/to the communications devices; and mobility managers operable to send/receive signalling packets for controlling user data communications between communications devices and packet gateways. The mobility managers can, upon receiving a signalling packet from a communications device and including user data intended for a destination, detect the packet is not associated with any established signalling connection between the mobility managers and the communication device. The mobility managers can, responsive to the detection, transmit the user data in the signalling packet to the destination. Accordingly a short message may be sent in a reduced context or context-less manner. |
| US09491609B2 |
Immediate connection following device discovery
An electronic device is described. During operation, this electronic device activates a communication channel having a carrier frequency in a radio in an interface circuit to listen for an advertising frame of interest from another electronic device during a scan window having a predefined duration. If the advertising frame of interest is received from the other electronic device, the electronic device terminates the listening before the predefined duration has expired and, using the communication channel in the radio, transmits the connect request to the other electronic device to establish the connection with the other electronic device. In this way, the delay between discovery of the other electronic device and establishing the connection is reduced. In addition, the power consumed by the electronic device while scanning for the other electronic device and initiating the connection is reduced. |
| US09491607B2 |
Wireless scan and advertisement in electronic devices
An electronic device performs a scan of each wireless channel in a sequence of wireless channels to detect advertising frames transmitted from other electronic devices. When performing the scan, the electronic device waits for a next transmit time. After the next transmit time, the electronic device configures the electronic device to monitor a next wireless channel from the sequence of wireless channels. The electronic device then monitors the next wireless channel for the advertising frames for a scanning time interval, wherein a duration of the scanning time interval is set in accordance with one or more transmit times used for transmitting advertising frames on the wireless channels in the sequence of wireless channels. When wireless channels from the sequence of wireless channels remain to be scanned, the electronic device returns to wait for a next transmit time. |
| US09491603B2 |
Substantially continuous location logging for geographic-positioning capable devices
In one embodiment, a method includes recording a first location of a mobile device; determining, by one or more processors of a geographic-positioning component of the mobile device, on a periodic basis, a current location of the mobile device; determining, by the processors of the geographic-positioning component, whether the current location is outside a geographic region defined at least in part by the first location; and if the current location is outside the geographic region, then transmitting, by the processors of the geographic-positioning component, a message to one or more other processors of the mobile device, the message causing one or more of the other processors to transition from a sleep state to an active state. |
| US09491594B2 |
Method and system for managing terminal group
The present document provides a method for managing a terminal group, including: a home subscriber information unit sending group information of a terminal group to a machine type communication interworking function (MTC IWF), and the MTC IWF storing the group information; after receiving request message of the terminal group sent by a server, the MTC IWF executing a terminal group process relevant to the request according to the group information. The present document further provides a system for managing a terminal group. The present document can realize managing a terminal group through an MTC IWF. |
| US09491589B2 |
Mobile device safe driving
In embodiments of mobile device safe driving, a mobile device can display a device lock screen on an integrated display device, and transition from the device lock screen to display a driving mode lock screen. The transition to display the driving mode lock screen occurs without receiving a PIN code entered on the device lock screen. The mobile device implements a safe driving service that is implemented to activate a safe driving mode of the mobile device, and disable features of the mobile device while the safe driving mode is activated. |
| US09491588B1 |
Systems and methods for mobile device location verification using beacons
A computer-implemented method performed in a computerized system incorporating a central processing unit, a localization signal receiver and a memory, the computer-implemented method involving: receiving at least one localization signal using the localization signal receiver; measuring a strength of the received localization signal; using the central processing unit to extract a key from the received localization signal; determining a location based at least on the measured strength of the received localization signal; and validating the determined location using the extracted key. The localization signal may be provided by one or more beacons, such as iBeacons, which may be placed at various locations within a building. The key may be randomly generated and periodically transmitted to the beacons to prevent replay attacks. A ticket issued by a near field communication (NFC) device may be used for additional location validation to prevent tunneling and collusion. |
| US09491587B2 |
Spatially mapping radio frequency data in 3-dimensional environments
Embodiments described herein provide for the generation of 3-D RF performance maps of an environment by correlating RF performance data generated from known locations within the environment with spatial data generated of the environment. One embodiment comprises an apparatus that generates spatial data of an environment in a 3-D coordinate system. The apparatus generates RF performance data for an RF transmitter that is located within the environment. The apparatus identifies 3-D locations of the apparatus within the environment based on the spatial data, identifies RF performance values for the RF transmitter at the 3-D locations based on the RF performance data, and generates a 3-D RF performance map of the environment based on the 3-D locations and the RF performance values. |
| US09491586B2 |
Wireless beacon and methods
A method for distributing micro-location-based notifications to a computing device includes receiving a unique identifier associated with a first entity, the unique identifier collected from a wireless beacon by a computing device proximal the wireless beacon, receiving identification of a second entity affiliated with the wireless beacon from the first entity; and in response to positive identification of the second entity as an authorized entity, authorizing delivery of a communication from the second entity, the communication executing on the computing device responsive to receipt of the unique identifier at the computing device. |
| US09491585B2 |
Location determination using dual statistical filters
Methods, systems, and computer program product for location determination using dual statistical filters are described. A mobile device can determine a location of the mobile device using a particle filter and a Kalman filter. The particle filter can filter candidate locations of the mobile device using measurements of environment variables in the venue. The Kalman filter can filter inputs from a sensor of the mobile device for measuring angular movement of the mobile device. The particle filter and the Kalman filter can be linked by heading of the mobile device. Output of the Kalman filter can be used to determine where to place particles, or candidate locations, in a next iteration of the particle filter. Output from the particle filter can be used to determine a center mode of the Kalman filter and to determine a bias of the sensor for measuring angular movement. |
| US09491582B2 |
Method for optimizing battery use in a mobile device while tracking a location of the device
A method, apparatus, and computer program product for reducing battery consumption while tracking a location of a mobile device. A location tracking application at the mobile device registers to receive location updates from the mobile device. The application receives a location update from the mobile device and determines whether to transmit location information from the received location update to a remote web server. |
| US09491581B1 |
Location based services onboard aircraft
Embodiments described herein provide location-based services onboard an aircraft for users having mobile devices utilizing wireless beacons dispersed at fixed locations within a passenger cabin of the aircraft. One embodiment comprises a system that includes a plurality of wireless beacons and a location server. Each of the wireless beacons broadcast a unique ID in a broadcast area for receipt by the mobile devices. The location server receives a message from a mobile device that indicates at least one of the IDs received by the mobile device, and identifies location information for the mobile device within the passenger cabin based on the at least one ID. The location server provides the location information to the mobile device for display to a user. |
| US09491578B1 |
Wireless tracking device
A wireless tracking device including a housing unit, a central processing unit disposed within the housing unit, a battery pack disposed within the housing unit, a GPS chip disposed within the housing unit, a light emitting diode disposed on a front surface of the housing unit, and a speaker disposed on the front surface of the housing unit. The central processing unit, the battery pack, the light emitting diode, the alarm, and the speaker are in operational communication with each other. The GPS chip is configured to transmit a signal to a tracking application of a receiver. The tracking application is configured to provide the geographical location of the housing unit to which the GPS unit is attached in real time. |
| US09491576B2 |
Location based automated meeting attendance
A method includes determining a physical location and start time of a meeting stored in a calendar entry of a mobile device, determining a current location of the mobile device, determining a time to reach the physical location of the meeting from the current location, identifying connection information suitable to electronically connect to the meeting, and if the time to reach the physical location of the meeting exceeds a time remaining to the start time of the meeting, initiating a connection to the meeting. |
| US09491570B2 |
Electronic device, control method, and control program
According to one of aspects, an electronic device includes a connecting module, and a controller. The connecting module is configured to wirelessly connect to a second device. The controller is configured to cause the connecting module to wirelessly connect to the second device in a first mode or in a second mode. In the first mode, the second device connects slavery to the electronic device. In the second mode, the electronic device connects slavery to the second device. |
| US09491565B2 |
Fixed location registration
Systems, devices and techniques for machine to machine (M2M) communications include optimizing performance of an M2M network based on knowledge about a fixed, or non-mobile, operation of an M2M service. In various embodiments, paging operation, direct channel assignment operation and timer based registration are optimized. The fixed operation may be communicated by a user device receiving the service to a network server providing the service. |
| US09491559B2 |
Method and apparatus for directional acoustic fitting of hearing aids
A method of acoustically fitting a hearing aid comprises providing a plurality of audible tones, each having a predetermined frequency through stereo headphones. The tones are provided at specific sound pressure in each ear. The patient changes the relative sound pressure in each ear until a perceived direction of source of the tone is in front of the patient. The amplification or attenuation requirements of a hearing aid are modified based on the difference in the sound pressures required for the left and right ears of the patient for perceived directional sameness for each frequency band-pass channel. |
| US09491558B2 |
Method for testing signal-to-noise ratio using a film frame
A system and a method are provided for testing a MEMS microphone during manufacture by using a film to obstruct the acoustic ports of the microphone. The microphone testing is performed while the microphones are still in an array and mounted on a film frame. By performing the testing while the acoustic ports of the microphone are covered with film, unwanted, external noise is attenuated. |
| US09491555B2 |
Method and apparatus for microphones sharing a common acoustic volume
The present subject matter provides method and apparatus for improved microphones sharing an acoustic volume. Some embodiments are useful for hearing assistance devices. Examples of an improved microphone module offering omnidirectional and directional microphone capsules are provided. Different mounting and interconnection embodiments are provided. Different electrical connector embodiments are discussed. Improvements in space and performance, and other efficiencies, are provided by the teachings set forth herein. |
| US09491552B2 |
Electronic device having hearing aid compatibility
An electronic device having hearing aid capability is disclosed. The electronic device includes a linear resonance actuator (LRA). The LRA is configured to produce both vibrations and a hearing aid compatible magnetic field. A processor coupled to the LRA is operable to control the LRA to generate a magnetic field for inductively coupling the electronic device to a hearing aid when a hearing aid compatibility (HAC) mode is enabled, wherein the generated magnetic field is encoded with audio information which corresponds to an audio signal. |
| US09491550B2 |
Piezoelectric stack transducer
Provided is a piezoelectric stack transducer. In a transducer portion, a plurality of piezoelectric transducers which output maximum amplitude at different frequencies are continuously stacked. A stacked electrode portion is provided on both surfaces of each of the plurality of continuously stacked piezoelectric transducers and supplies an electric signal so that vibration is generated. In this case, the plurality of piezoelectric transducers have different diameters. According to the present invention, it is possible to implement a piezoelectric stack transducer which exhibits constant amplitude (output) at different frequencies by piezoelectric transducers exhibiting different amplitudes at respective frequencies according to natural frequencies supplementing amplitude of a different piezoelectric transducer. |
| US09491546B2 |
Electronic device and audio-data transmission method
An audio-data transmission method for an electronic device is provided. The method includes determining whether or not a plurality of external data sounds and a plurality of external identification sounds are received. The external data sound and the external identification sound are respectively on a data frequency range and an identification frequency range that is different from the data frequency range. The external identification sound includes N sounds of predetermined frequencies wherein N is a positive integer larger than one. When not receiving the external data sound and the external identification sound simultaneously transmitted by at least one external electronic device, the electronic device transmits a plurality of data sounds and a plurality of identification sounds. The data sound and the identification sound are respectively within the data frequency range and the identification frequency range. The identification sound includes the sounds of predetermined frequencies. |
| US09491545B2 |
Methods and devices for reverberation suppression
In one embodiment, a process for suppressing reverberation begins with a device of a user obtaining a reverberant speech signal from a voice of the user. The device determines a first estimated reverberation component of the reverberant speech signal. The device generates a first de-reverberated output signal with a first reverberation suppression based on the reverberant speech signal and the first estimated reverberation component. Then, the device generates a second improved reverberation component using the first de-reverberated output signal. The device generates a second de-reverberated output signal with a second reverberation suppression based on the reverberant speech signal and the second improved reverberation component. |
| US09491539B2 |
MEMS apparatus disposed on assembly lid
A Microelectromechanical system (MEMS) assembly includes a substrate, lid, MEMS device, and at least one wall. The substrate has electrical connection pads and the electrical connection pads are coupled to electrical conductors extending through the substrate. The MEMS device is attached to the lid. The at least one wall is coupled to the lid and the substrate and is formed separately from the lid and has an electrical conduit disposed therein. The electrical conduit is electrically coupled to the electrical conductors on the substrate. The electrical conduit and electrical conductors form an electrical path between the MEMS device and the electrical connection pads. |
| US09491535B2 |
Earphone
An earphone includes a housing and a thermoacoustic device array. The housing has a hollow structure. The thermoacoustic device array is disposed in the housing. The thermoacoustic device array includes a number of thermoacoustic device units. The thermoacoustic device unit includes a substrate, a sound wave generator, a first electrode and a second electrode. The first electrode and the second electrode are spaced from each other and electrically connected to the sound wave generator. The first surface defines a number of recesses parallel with and spaced from each other. At least one of the recesses is located between the first electrode and the second electrode. A depth of each recess ranges from about 100 micrometers to about 200 micrometers. The sound wave generator is located on and insulated with the substrate. The sound wave generator includes a carbon nanotube structure suspended over the at least one recess. |
| US09491531B2 |
Microphone device for reducing noise coupling effect
A microphone device includes a carrier board, a micro electro-mechanical system unit, an integrated circuit and an upper cover. The micro electro-mechanical system unit includes a substrate, a cap and a capacitive microphone. The cap is installed on the substrate, and is composed of electrically conductive material. The capacitive microphone is positioned between the cap and the carrier board, wherein the capacitive microphone and the cap form a resonant cavity. The integrated circuit is installed on the carrier board, and arranged to control the capacitive microphone. The upper cover is connected to the carrier board, wherein the micro-electro mechanical system unit and the integrated circuit are both positioned inside a space formed by the carrier board and the upper cover. |
| US09491527B2 |
Communication network
A method for determining routing for data which is to be transmitted over a multilayer network, the network comprising a first layer of nodes, and a second layer of nodes, and the method comprising determining routing by taking account of available signal transmission/processing resource associated with the first layer and available signal transmission/processing resource associated with the second layer. |
| US09491522B1 |
Methods, systems, and media for presenting supplemental content relating to media content on a content interface based on state information that indicates a subsequent visit to the content interface
Mechanisms for presenting recommended media content items are provided. In some implementations, a method comprises: receiving a request for supplemental content relating to a program being presented by a media device; causing a content interface to be presented on a mobile device; identifying the program that is being presented on a media device; determining keywords associated with the program; obtaining and storing supplemental content items corresponding to the program based on the keywords; causing the content interface to present a first supplemental content item; receiving state information associated with the mobile device that indicates a subsequent visit to the content interface; and causing the content interface to present a second supplemental content item based on the state information. |
| US09491519B2 |
Methods and devices for presenting an interactive media guidance application
Methods and devices for presenting an interactive media guidance application are provided. In some embodiments, methods for presenting an interactive media guidance application in a user equipment device are provided, the methods comprising: determining a location of the user equipment device; determining a destination of the user equipment device; determining an arrival time for the user equipment device to be located at the destination; selecting, as guide listings, listings corresponding to media available at the destination at/after the arrival time; and presenting the guide listings on the user equipment device. |
| US09491518B2 |
Methods and apparatus for monitoring video games
Methods and apparatus for monitoring video games are disclosed. Example methods disclosed herein to identify a video game include generating a memory signature based on a pattern of memory locations of a game medium accessed by a device to play the video game. Such example methods also include determining an identity of the video game based on the memory signature. |
| US09491517B2 |
Systems and methods for broadcast audience interaction and participation
A broadcast audience interaction and feedback system may discover and activate a recording function of a portable device of a user to record audio and/or video of media content output by a media device in proximity to the user. The audio or video data may be used to identify the content by matching audio or video fingerprints or signatures of the data recorded by the portable device with separately generated signatures or fingerprints associated with the content. Additional entities may be automatically associated with the content via capturing of metadata or closed captioning data during the content, OCR of displayed text in the content, or detection of other such entities. In some implementations, the portable device may also capture feedback from the user, including cheering, applause, and laughter, as well as explicit questions or comments, voting choices, etc. The feedback may be identified, and queries generated or additional functions performed based on the identified feedback, the identified media content, and/or one or more entities associated with the identified media content. |
| US09491514B2 |
Media content bookmarking
Systems and methods that enable satellite television subscribers to bookmark and annotate sections of recorded media content, and also to share and access bookmarks with and created by others. |
| US09491513B1 |
Methods systems and devices for dynamically creating composite videos
Devices, systems, and methods for dynamically creating composite videos are disclosed. In one aspect a computerized method comprises editing and playing a lead-in video, playing a user recorded video, playing multiple invitee recorded videos, and editing and playing a lead-out video to create a seamless composite video. |
| US09491510B2 |
Methods and systems for stream management for a digital video recording device
An exemplary method includes a stream management system that detects a request for any device included in a media processing system to receive a media stream provided by a television service. In response, the stream management system determines that a digital video recording (“DVR”) device included in the media processing system is already receiving and recording a maximum number of media streams that the DVR device is allowed to concurrently record. In response to this determination, the stream management system performs a status check with respect to the media streams being received and recorded by the DVR device in order to determine whether one of the media streams may be dropped by the DVR device so that the DVR device can instead receive and record the media stream identified in the request. Corresponding systems and methods are also described. |
| US09491505B2 |
Frame capture and buffering at source device in wireless display system
This disclosure describes techniques to improve a user experience in a Wireless Display (WD) system. The WD system includes a source device that provides media data to one or more sink devices. The techniques are directed toward reducing end-to-end latency in the WD system while improving video playback quality at the sink devices. More specifically, the techniques include low latency screen capture and buffering at the source device. For example, a processing pipeline of the source device may be configured to include minimum-size buffers between processing steps to reduce latency. The techniques include buffering a most recent frame update captured from the media data in the minimum-size buffers and dropping older frame updates when the minimum-size buffers are full. In addition, the processing pipeline may be configured to use hardware acceleration to retrieve the frame updates from the buffers for processing. |
| US09491500B2 |
Personal video recorder systems and methods
Systems and methods are disclosed for providing an interactive television system for recording television programming. The interactive television system may include components for providing personal video recorder (PVR) functionality, such as an interactive television program guide (IPG), PVR extensions, PVR application programming interfaces (APIs), a PVR device, any suitable hardware or software, or a combination thereof. These components may be implemented in, for example, an arrangement having an integrated PVR-compliant device with a PVR device, or in an arrangement having a PVR-compliant device (e.g., a set-top box) coupled to PVR equipment (e.g., a remote PVR server or a PVR sidecar) with a PVR device. The PVR-compliant device may include software and hardware configured to implement the IPG. The PVR APIs may be a library of intelligent vendor-specific and vendor-independent APIs able to determine the type of PVR device being used. The PVR extensions and PVR APIs may be configured to provide a seamless integration of functionality associated with the PVR-compliant device and the PVR device. A full port of the IPG may be implemented in both the PVR-compliant device and the PVR device. |
| US09491497B2 |
Method for addressing on-demand TV program content on TV services platform of a digital TV services provider
Video content is uploaded via the Internet to a video-on-demand (VOD) server identified by a title and a hierarchical address of categories and subcategories for categorizing the title. The VOD server converts and stores the video content at a storage address in a video content database linked to the title. The title is listed in a location of an electronic program guide (EPG) using the same categories and subcategories as in its hierarchical address. Any TV subscriber can access the EPG and navigate through its categories and subcategories to find a title for viewing on the TV. This can enable many, new blogging or podcasting-like programs by popular “Hosts” to be self-published on the Internet and readily navigated for display on TV. The EPG can also store TV program addresses as bookmarks and allow them to be shared with other subscribers or with friends and contacts online by sending to their email addresses. |
| US09491496B2 |
Systems and methods for delivering content to a media content access device
An exemplary method includes a media content delivery system generating a supplemental content stream associated with a primary media content stream, the supplemental content stream including one or more supplemental content instances temporally aligned with one or more content moments in a media program represented by the primary media content stream, and facilitating concurrent streaming of the primary media content stream and the supplemental content stream to a media content access device, the streams configured for concurrent presentation by the media content access device in a user interface. A presentation of the supplemental content stream in the user interface may be transparent to a user during a presentation of a segment of the media program that is not part of the one or more content moments in the media program and visible to the user during the presentation of the one or more content moments in the media program. |
| US09491495B2 |
Method and apparatus for providing input to a camera serial interface transmitter
A system for receiving at least two data streams and providing a single input data stream to a MIPI's CSI Tx is disclosed. The two received data streams are written into respective data buffers. The system includes a control logic configured to control reading of data stored in the buffers to a multiplexer, the read-side clock being a multiple of a frequency of a fixed frequency clock. The control logic is further configured to control the multiplexer to combine data read from each buffer that corresponds to a complete unit of data into a separate portion and multiplex the separate portions into the input data stream. In this manner, two data streams may be transmitted using a single CSI Tx. When the two data streams are received by the system from an APIX interface, the system provides a bridge between the APIX interface and MIPI's CSI Tx. |
| US09491492B2 |
Playing pay-per-view program at set-top box connected to one-way broadcast-only RF coax network after receiving passkey targeting identifier of that set-top box from user
A hospitality media system includes a plurality of set-top boxes (STBs) coupled to a radio frequency (RF) coax network. Each STB has an identifier for identifying the STB. A content source broadcasts media content to the STBs utilizing the RF coax network and an update server distributes software data to the STBs. The software data causes a particular STB to perform a media function customized for the particular STB according to the identifier of the particular STB. |
| US09491490B1 |
Facilitating environment-based lossy compression of data for efficient rendering of contents at computing devices
A mechanism is described for facilitating environment-based lossy compression of data for efficient rendering of contents at computing devices. A method of embodiments, as described herein, includes collecting, in real time, sensory input data relating to characteristics of at least one of a user and a surrounding environment. The method may further include evaluating the sensory input data to mark one or more data portions of data relating to contents, where the one or more data portions are determined to be suitable for compression based on the sensory input data. The method may further include dynamically performing, in real time, the compression of the one or more data portions, where the compression triggers loss of one or more content portions of the contents corresponding to the one or more data portions of the data. The method may further include rendering the contents to be displayed missing the one or more content portions, where the missing of the one or more content portions from the contents is not apparent to the user viewing the contents via a display device. |
| US09491488B2 |
Method of applying edge offset
A method of post-processing a reconstructed image is discussed. The method according to an embodiment includes determining that a deblocking filtering process is performed per slice; when it is determined that the deblocking filtering process is performed, applying the deblocking filtering process to the slice; and applying an edge offset if a sample adaptive offset (SAO) type indicates an edge offset. |
| US09491486B2 |
Significance map encoding and decoding using partition selection
Methods of encoding and decoding for video data are describe in which significance maps are encoded and decoded using non-spatially-uniform partitioning of the map into parts, wherein the bit positions within each part are associated with a given context. Example partition sets and processes for selecting from amongst predetermined partition sets and communicating the selection to the decoder are described. |
| US09491484B2 |
Method and apparatus for encoding/decoding images using a motion vector of a previous block as a motion vector for the current block
An encoding method and apparatus and a decoding method and apparatus for determining a motion vector of a current block based on a motion vector of at least one previously-encoded or previously-decoded block are provided. The decoding method includes: decoding information regarding a prediction direction from among a first direction, a second direction, and bi-directions, and information regarding pixel values of the current block; determining the prediction direction in which the current block is to be predicted, based on the decoded information regarding the prediction direction, and determining a motion vector for predicting the current block in the determined prediction direction; and restoring the current block, based on the determined motion vector and the decoded information regarding the pixel values, wherein the first direction is a direction from a current picture to a previous picture, and the second direction is a direction from the current picture to a subsequent picture. |
| US09491481B2 |
Video decoding apparatus, video coding apparatus, video decoding method, video coding method, and storage medium
A video decoding apparatus includes a reference picture list storing unit configured to store picture information of pictures; a motion vector information storing unit configured to store motion vector information including motion vectors of blocks that are spatially and temporally adjacent to a target block to be decoded and reference picture identifiers indicating pictures that the motion vectors refer to; and a vector predictor generating unit configured to scale a vector predictor candidate for a motion vector of the target block based on the picture information and the motion vector information and to correct the scaled vector predictor candidate toward 0 by a predetermined amount. |
| US09491467B2 |
Method and apparatus for image encoding/decoding
A video decoding apparatus using an intra prediction, includes: a decoder to obtain mode information of a current block and residual sub-blocks corresponding to a plurality of sub-blocks included in the current block, from a bitstream; an intra predictor to select an intra prediction mode of the current block from among a plurality of intra prediction modes, based on the obtained mode information, identify the plurality of sub-blocks of the current block, and sequentially predict the plurality of sub-blocks by using neighboring pixels adjacent to each of the plurality of sub-blocks; an inverse quantization and transform unit configured to inversely quantize and then inversely transform each of the residual subblocks; and an adder configured to sequentially reconstruct the plurality of sub-blocks by adding each of the predicted sub-blocks to an inversely quantized and inversely transformed residual sub-block corresponding thereto. |
| US09491466B2 |
Video coding apparatus and method
A video coding apparatus includes a processor that executes a procedure. The procedure includes: (c) classifying each of a plurality of groups into either a full evaluation group or into a partial evaluation group; (d) determining the prediction mode to use as generating the predicted image of a coding target block by evaluating coding costs of all the prediction modes belonging to each of the groups for a group classified at (c) into the full evaluation group, and evaluating coding costs of a portion of prediction modes out of the prediction modes belonging to each of the groups for a group classified at (c) into the partial evaluation group; and (e) generating a predicted image of the coding target block using the prediction mode determined at (d). |
| US09491465B2 |
Image coding method, image coding apparatus, image decoding method and image decoding apparatus
An image coding method including: binarizing last position information to generate (i) a binary signal which includes a first signal having a length smaller than or equal to a predetermined maximum length and does not include a second signal or (ii) a binary signal which includes the first signal having the predetermined maximum length and the second signal; first coding for arithmetically coding each of binary symbols included in the first signal using a context switched among a plurality of contexts according to a bit position of the binary symbol; and second coding for arithmetically coding the second signal using a fixed probability when the binary signal includes the second signal, wherein in the first coding, a binary symbol at a last bit position of the first signal is arithmetically coded using a context exclusive to the last bit position, when the first signal has the predetermined maximum length. |
| US09491463B2 |
Group flag in transform coefficient coding for video coding
A method of decoding data indicative of a subset of transform coefficients is described. The coefficients are indicative of a block of video data. The method may include determining that no transform coefficient in the subset of transform coefficients has an absolute value greater than one, and, based on the determining, skipping one or more decoding passes on the subset of transform coefficients, the decoding passes relating to decoding level information associated with the subset of transform coefficients. |
| US09491459B2 |
Base layer merge and AMVP modes for video coding
A method of decoding video data includes receiving syntax elements extracted from an encoded video bitstream and determining a candidate list for an enhancement layer block. The syntax elements include information associated with a base layer block of a base layer of the video data. The candidate list is determined, in a base-layer inter-layer prediction mode, based only on motion information associated with the base layer block. The enhancement layer block is in an enhancement layer of the video data. The candidate list includes a merge list or an AMVP list. A syntax element can be received that indicates whether to apply the base-layer inter-layer prediction mode. |
| US09491456B2 |
Coded picture buffer removal times signaled in picture and sub-picture timing supplemental enhancement information messages
A video coding device, such as a video encoder or a video decoder, may be configured to code a sub-picture timing supplemental enhancement information (SEI) message associated with a first decoding unit (DU) of an access unit (AU). The video coding device may further code a duration between coded picture buffer (CPB) removal time of a second DU of the AU in decoding order and CPB removal time of the first DU in the sub-picture SEI message. The coding device may also derive a CPB removal time of the first DU based at least in part on the sub-picture timing SEI message. |
| US09491455B2 |
Picture encoding method, picture decoding method, picture encoding apparatus, picture decoding apparatus, picture encoding program, and picture decoding program
The encoding computational complexity and the decoding computational complexity are reduced while suppressing deterioration of coding efficiency in comparison with conventional intra divided-picture coding. A divided picture generation unit divides an input encoding target picture into blocks having the same size, and collects pixels having the same relative position in the blocks to generate divided pictures having the same size. An intra divided-picture encoding unit performs intra divided-picture encoding on some divided pictures. A reference picture selection unit selects, as a reference picture, an encoded divided picture in which a pixel position on an original picture is close in order to encode the other encoding target divided pictures. An inter divided-picture predictive encoding unit generates a predicted picture using the selected reference picture and encodes an encoding target divided picture through inter divided-picture prediction in units of divided pictures. |
| US09491453B2 |
Measurement position determination apparatus, image display system, and non-transitory computer readable medium
A measurement position determination apparatus includes a creation unit, a measurement unit, and a determination unit. The creation unit creates display image data for displaying a reference image and a comparison image on a display screen. The reference image includes one achromatic image, and the comparison image is formed by arranging two or more images including a chromatic image. The measurement unit measures the reference image and the comparison image in a sub-area on the display screen. The reference image and the comparison image are displayed on the display screen in accordance with the display image data. The determination unit determines a measurement position of the measurement unit on the display screen in accordance with measurement results obtained by measurement of the reference image and the comparison image using the measurement unit. |
| US09491449B2 |
Stereoscopic image display device and driving method thereof
A stereoscopic image display device includes an image compensator, a signal controller, a data driver, and a display panel. The image compensator is configured to convert input image data to revised image data. The revised image data is obtained by compensating for temperature variations of the display panel. The signal controller is configured to output the revised image data. The data driver is configured to receive the revised image data. The display panel includes a plurality of pixels configured to display a left eye image and a right eye image in response to receiving a data voltage from the data driver. The image compensator includes a temperature compensation lookup table selector having a temperature compensation lookup table, and a standard lookup table selector having a standard lookup table and configured to select the revised image data according to correction values selected from the temperature compensation lookup table. |
| US09491448B2 |
Laser videogrammetry
Systems and methods for measuring a surface of an object. The system, in one embodiment, includes a laser projector device mounted at a fixed location relative to an object being formed by a fabrication process, and a videogrammetry device mounted at another fixed location relative to the object. The laser projector device includes a laser element mounted on a two-axis gimbal assembly, and the gimbal assembly directs laser beams from the laser element onto target points on a surface of the object. The laser projector device measures angles of the laser beams to the target points, while the videogrammetry device simultaneously performs measurements of the target points by capturing video images of the laser beams reflecting off of the target points. A controller processes the measurements from the laser projector device and the videogrammetry device to calculate x, y, z coordinates of the target points in a 3D coordinate system. |
| US09491444B2 |
Auto-multiscopic 3D display system
A display system enables auto-multiscopic 3D viewing of both static images and video productions. It includes a parallax barrier defining a front surface of the display system. The parallax barrier is non-transparent except for an array of transparent spots or holes. A transparent OLED display is located behind the parallax barrier. It has color pixels and an array of clear spots aligned with the array of transparent spots. The transparent OLED display sends light away from the viewer towards an array of concave mirrors, one for each transparent spot. Each concave mirror reflects the light back through the alignment of clear spot with transparent spot and out into the space in front of the display system. Each concave mirror may be part of an enclosure that surrounds the transparent spot, in order to prevent light originating in one enclosure from being reflected off the concave mirror in another enclosure. |
| US09491441B2 |
Method to extend laser depth map range
A method for extending the dynamic range of a depth map by deriving depth information from a synthesized image of a plurality of images captured at different light intensity levels and/or captured over different sensor integration times is described. In some embodiments, an initial image of an environment is captured while the environment is illuminated with light of a first light intensity. One or more subsequent images are subsequently captured while the environment is illuminated with light of one or more different light intensities. The one or more different light intensities may be dynamically configured based on a degree of pixel saturation associated with previously captured images. The initial image and the one or more subsequent images may be synthesized into a synthesized image by applying high dynamic range imaging techniques. |
| US09491437B2 |
Transmitter for transmitting data for constituting content, receiver for receiving and processing data, and method therefor
A receiver is disclosed. The receiver comprises: a first receiving unit for receiving non-real-time data for constituting multimedia content; a storage unit for storing the non-real-time data; a second receiving unit for receiving real-time data for constituting multimedia content; a data processing unit which, if the real-time data has been received, detects the non-real-time data, in conjunction with the real-time data, from among the data stored in the storage unit, binds the detected non-real-time data and the received real-time data, and outputs multimedia content; and a control unit for controlling the data processing unit so as to restrict the output of the non-real-time data prior to the time of the output of the real-time data. |
| US09491435B2 |
Image synchronization method and associated apparatus
An image synchronization method for a three-dimensional (3D) display apparatus is provided. The method includes steps of: receiving a plurality of first-eye image frames and a plurality of second-eye image frames; selecting a first image frame from the first-eye image frames according to a system time; selecting a second image frame from the second-eye image frames according to a timestamp of the first image frame; and outputting the first image frame and the second image frame. |
| US09491430B2 |
Storage medium having stored therein display control program, display control apparatus, display control system, and display control method
In a game apparatus, firstly, a depth value in accordance with a state of a virtual three-dimensional space is obtained. Then, an image for left eye and an image for right eye which are obtained by shifting a two-dimensional object that does not exist within the virtual three-dimensional space by a shift amount in accordance with the depth value are synthesized with an image for left eye and an image for right eye which are obtained by capturing the three-dimensional object by a virtual stereo camera, respectively, and the respective synthesized images are rendered, thereby a stereoscopic image is generated. The stereoscopic image obtained as above is outputted to an upper LCD. |
| US09491429B2 |
Information processing apparatus and method, and program storage medium
In an information processor having a function to check out a content to a portable device such as a portable disc player, a content is recorded to a content data base under the control of a content management program, and it is set under the control of a display/operation instruction program whether the recorded content has to be checked out to the portable device. If a content is recorded in case it has been set that the content has to be checked out, the content having been recorded in the content data base is checked out to the portable device. |
| US09491423B2 |
Projection device
A projection device including a housing, an optical engine, and a power connector is provided. The housing has a front end portion, a rear end portion opposite to the front end portion, and a projection opening. The optical engine is disposed within the housing and includes a projection lens, a first light-emitting element, and a second light-emitting element. The projection lens is adapted to output an image beam through the projection opening. The first light-emitting element and the second light-emitting element are respectively thermally coupled to a first coupling portion and a second coupling portion of the housing. The housing has a heat separation for separating the first coupling portion and the second coupling portion. The power connector is connected to the rear end portion. |
| US09491422B2 |
Two-stage light modulation for high dynamic range
An imaging apparatus for two-stage light modulation in high-definition digital projection or cinema can include two light modulators. Each light modulator can include a multi-chip imaging system coupled to a total internal reflection prism (TIR) system, which has a light input face and an on-state face. Relay optics can be positioned between the two light modulators. The relay optics can be configured to defocus light received from the pre-modulator and to provide defocused light to the prime modulator using a substantially Gaussian pixel shaping function. The prime modulator can be oriented to receive defocused light from the relay optics at the light input face of its TIR prism system. The pre-modulator can be oriented backwards, so as to receive source light at the on-state face of its TIR prism system and to output pre-modulated light to the relay optics via the light input face of the TIR prism system. |
| US09491418B2 |
Method of providing a digitally represented visual instruction from a specialist to a user in need of said visual instruction, and a system therefor
The present invention provides a method of providing a digitally represented visual instruction from a specialist (2) operating a visual instruction device (4) to a user (6) in need of the visual instruction in relation to an object of interest (8) and a system therefore. In the method a first video stream comprising images of the object of interest is recorded by a first mobile device (12) associated with the user. The first video stream is sent (22) to a second mobile device (18) associated with the specialist. A second video stream comprising the visual instruction device is recorded by the second mobile device and a foreground/background segmentation operation and a background replacement operation is performed on the second and first video stream to provide a third video stream comprising images of the visual instruction device with the first video stream as background. The third video stream is sent (28) to the first mobile device and is displayed essentially simultaneously on first and second displays on both mobile devices allowing the user, by viewing the first display, to be instructed by the specialist and the specialist, by viewing the second display, to operate the visual instruction device properly in relation to the object of interest. An alternative method using a projection device in the first mobile device and systems corresponding to the methods are also provided. |
| US09491411B2 |
Electronic component mounting apparatus and electronic component mounting method
A control unit of an electronic component mounting apparatus controls a component imaging unit so as to move an electronic component that is held by the holding unit, when the holding unit is moved in a direction, which is oblique to a conveyance direction of a substrate and is close to the substrate, by a movement mechanism unit. |
| US09491405B2 |
Method and apparatus for displaying conference material in video conference
A method and an apparatus for displaying a conference material in a video conference. The method includes determining a position coordinate of a first specified user at a conference site; collecting a video image signal of the conference site, segmenting the video image signal of the conference site according to the position coordinate to acquire a video image signal of the first specified user, and acquiring a video data signal of a displayed conference material; and synthesizing the video image signal of the first specified user and the video data signal of the conference material into one channel of encoded video signal, and sending the channel of encoded video signal to another conference site for signal decoding and for displaying on a same display screen at the other conference site. |
| US09491398B1 |
System and method for processing assorted video signals
A method and system for detecting and processing a series of video frames includes receiving the series of video frames, determining whether the video frames are associated with a recognized non-video source, and depending on the determination, processing the video frames using a variety of techniques. A system may detect whether each video frame is a repeat frame or a new original frame, keep the new original frames, discard the repeat frames, and then adjust one or more timestamps associated with the new original frames so as to conform to an intermediate frame rate. The frame indexes and timestamps associated with the new original frames are stored in a FIFO or buffer. The system can interpolate video frames using the stored timestamps, and output a series of video frames. The output video stream is delivered at any frame rate and can include original video frames and interpolated video frames. |
| US09491394B2 |
Configurable buffer for an integrated circuit
In one embodiment, an internal buffer may be provided within an integrated circuit (IC) to convert a signal to an output current to be output via a pin of the IC, under control of a switch which can be controlled based on a configuration setting of the IC, and may selectively directly couple the signal to the pin when the IC is coupled to an external driver circuit. |
| US09491393B2 |
Multi-chip module for a multi-mode receiver and method therefor
In one form, a multi-chip module for a multi-mode receiver includes an MCM substrate and first and second demodulator die. The MCM substrate has first and second satellite input ports, first and second terrestrial/cable input ports, and first and second transport stream ports. The first demodulator die has a satellite port coupled to the first satellite input port of the MCM substrate, a terrestrial/cable port coupled to the first terrestrial/cable input port of the MCM substrate, and first and second transport stream ports coupled to the first and second transport stream ports of the MCM substrate. The second demodulator die has a satellite port coupled to the second satellite input port of the MCM substrate, a terrestrial/cable port coupled to the second terrestrial/cable input port of the MCM substrate, and first and second transport stream ports coupled to the first and second transport stream ports of the MCM substrate. |
| US09491391B2 |
Image sensor with threshold-based output encoding
In a pixel array within an integrated-circuit image sensor, each of a plurality of pixels is evaluated to determine whether charge integrated within the pixel in response to incident light exceeds a first threshold. N-bit digital samples corresponding to the charge integrated within at least a subset of the plurality of pixels are generated, and then applied to a lookup table to retrieve respective M-bit digital values (M being less than N), wherein a stepwise range of charge integration levels represented by possible states of the M-bit digital values extends upward from a starting charge integration level that is determined based on the first threshold. |
| US09491384B2 |
Solid imaging device including photoelectric conversion unit and TDI transfer unit
In a solid-state imaging device 1, an overflow gate (OFG) 5 has a predetermined electric resistance value, while voltage application units 161 to 165 are electrically connected to the OFG 5 at connecting parts 171 to 175. Therefore, when voltage values V1 to V5 applied to the connecting parts 171 to 175 by the voltage application units 161 to 165 are adjusted, the OFG 5 can yield higher and lower voltage values in its earlier and later stage parts, respectively. As a result, the barrier level (potential) becomes lower and higher in the earlier and later stage parts, so that all the electric charges generated in an earlier stage side region of photoelectric conversion units 2 can be caused to flow out to an overflow drain (OFD) 4, whereby only the electric charges generated in a later stage side region of the photoelectric conversion units 2 can be TDI-transferred. |
| US09491383B2 |
Image sensor with noise reduction
Systems and methods are disclosed for reducing reset noise in an image sensor. Voltage on the column read out is sensed during reset. When the voltage reaches a desired threshold level, a voltage is asserted on the column read out line that turns off the reset transistor. Using column circuitry to turn off the reset transistor may be used to reduce noise associated with the reset switch. In example embodiments, a comparator may be included on each column line to determine when the threshold voltage has been reached and to trigger the assertion of the turn off voltage on the column line. |
| US09491380B2 |
Methods for triggering for multi-camera system
A system may include one or more camera modules each containing one or more image sensors. The system may be configured to capture images from light spectra outside the visible band. Therefore, the pixel integration times, and frame rates of the one or more image sensors may be unique and distinct. An image sensor may respond to a trigger control signal by beginning integration of a subset of pixels some duration after an appropriate trigger control signal transitions from low to high. The image sensor may output the frame captured by the pixels a predetermined duration after the trigger control signal transitions, to ensure a deterministic response. Pixels used to generate the image of a subsequent frame may begin integrating during the readout of the current frame. The pixels may be integrated for exactly their programmed integration time, even when the frame rate is varied. |
| US09491379B2 |
Solid-state image pickup device which increases video reading speed and reduces distortion
A solid-state image pickup device includes: a first pixel array which generates first pixel data; a second pixel array which generates second pixel data; a vertical scanning unit which drives the rows of the first pixel array and the rows of the second pixel array independently; and a signal processing circuit which outputs, as a single image signal, a pair of (i) the plurality of second pixel signals generated in the second pixel array in a first frame and (ii) the plurality of first pixel signals generated in the first pixel array in a second frame immediately after the first frame. |
| US09491374B1 |
Systems and methods for videoconferencing input and display management based on activity
Systems and methods of managing a videoconference viewed by a first camera coupled to a first display are provided, including, for a face not detected by the first camera and a second camera coupled to a second display in a user environment, performing an action based on off-display analysis; for a face direction less head-on in the first camera than in the second camera, switching the videoconference to the second camera; and for the face direction not detectable in the first camera, and on-display user activity at the second display, switching the videoconference to the second camera. |
| US09491365B2 |
Viewfinder wearable, at least in part, by human operator
A system embodiment may include at least one camera wearable, at least in part, by a human operator. The at least one camera may have, when enabled, at least one active field of view that may be captured by the at least one camera in response, at least in part, to image capture actuation by the human operator. This embodiment also may include a viewfinder wearable, at least in part, on a head of the human operator. The viewfinder may provide to the human operator, prior to the image capture actuation, at least one visual indication of the at least one active field of view of the at least one camera. The at least one visual indication may be displayed in at least one central field of vision of the human operator. Of course, many alternatives, modifications, and variations are possible without departing from this embodiment. |
| US09491362B2 |
Compact lens module
The invention discloses a lens driving device including a lens holder receiving a lens having an optical axis; a frame receiving at least one magnet; at least one focusing coil disposed at the lens holder and arranged between the at least one magnet and the lens holder; a flexible focusing mechanism disposed between the lens holder and the frame and keeping the lens holder movably positioned at the optical axis; and an image capturing sensor having a length and a width and aligned with the optical axis. The lens driving device is characterized in that the length of the image capturing sensor determines that the lens has a long axis in a plane perpendicular to the optical axis, and that the width of the image capturing sensor determines that the lens has a width in the plane perpendicular to the optical axis. |
| US09491360B2 |
Reference frame selection for still image stabilization
Systems, methods, and computer readable media to improve image stabilization operations are described. A novel combination of image quality and commonality metrics are used to identify a reference frame from a set of commonly captured images which, when the set's other images are combined with it, results in a quality stabilized image. The disclosed image quality and commonality metrics may also be used to optimize the use of a limited amount of image buffer memory during image capture sequences that return more images that the memory may accommodate at one time. Image quality and commonality metrics may also be used to effect the combination of multiple relatively long-exposure images which, when combined with a one or more final (relatively) short-exposure images, yields images exhibiting motion-induced blurring in interesting and visually pleasing ways. |
| US09491358B2 |
Imaging device for performing image processing based on photographing direction
An imaging device according to the present disclosure includes: an axially rotatable imaging unit; a detector that detects a photographing direction of the imaging unit; a processor that performs image processing on image data generated by the imaging unit; and a controller that changes a setting method of an image processing parameter depending on the photographing direction detected by the detector, the image processing parameter being given to the image data by the processor. |
| US09491344B2 |
Lighting device and image capturing system
In an image capturing system, a lighting device includes a base disposed on a medium setting surface on which a medium serving as a reading target is set, an arm extending upward from the base, a top unit extending from the arm in such a manner that the top unit faces the medium setting surface, a placement surface that is provided to the top unit and on which a smartphone (imaging unit) is placed at a position allowing the smartphone to photograph the medium set on the medium setting surface, and a lighting LED that is provided to the top unit and irradiates the medium setting surface. |
| US09491340B2 |
Micro-electro-mechanical system based device for adjusting aperture and manufacturing method thereof
A micro-electro-mechanical system based device for adjusting aperture and a manufacturing method thereof are disclosed. The system includes: an opaque deformable aperture ring, multiple groups of conductive deformable crossbeams and conductive structs; and one or more fixed parts. In each group, each conductive deformable crossbeam corresponds to a conductive struct. The conductive deformable crossbeams and the conductive structs are arranged around the deformable aperture ring and spaced from each other. The conductive deformable crossbeams are suspended in the air, their inner edges are connected with an external edge of the deformable aperture ring, and their external edges are connected with the fixed parts. The conductive structs are connected with the fixed parts and remain stationary. Electrostatic force between the conductive deformable crossbeam and the conductive struct causes the deformable aperture ring to be stretched and rotate, so that area of an inner bore of the deformable aperture ring is changed. |
| US09491337B2 |
Arrangement for a monitoring camera device
An arrangement for a monitoring camera device having a camera head being movable within a movement range (MR1, MR2) is provided. The arrangement comprises an enclosure for covering the interior of the monitoring camera device and having an opening for the camera head providing a free line of sight for an arbitrary camera head position within the movement range (MR1, MR2), a shield movably arranged relative the enclosure for masking parts of the opening not being used for providing the free line of sight for the arbitrary camera head position, the shield comprising a first and a second shield portion mutually movably arranged, wherein the shield is maneuverable between a compressed state and an extended state by movement of the first shield portion relative to the second shield portion. A monitoring camera device comprising the arrangement is further provided. |
| US09491330B2 |
Mobile terminal capable of reducing battery exhaustion risk and control method thereof
Provided is a mobile terminal including a battery residual quantity detecting part that is configured to detect a battery residual quantity of the battery, and a remote control operation processing part that is configured to cause the data conversion part to create monochrome print data by converting the color print data into the monochrome data when it is determined that transmission of the color print data cannot successfully be completed based on the battery residual quantity detected by the battery residual quantity detecting part and data volume of the color print data, and to transmit the created monochrome print data to the image forming apparatus. |
| US09491328B2 |
System and method for setting output plex format using automatic page detection
A method and system prints an output document from an original document having multiple input sheets, each input sheet having a front side and a back side, the output document having multiple output sheets, each output sheet having a front side and a back side, the output sheet of the output document having a same plex as a plex of a corresponding input sheet. The method and system also prints an output document from an original document having multiple input sheets, wherein all output sheets of the output document are simplex. Further, the method and system prints an output document from an original document having multiple input sheets, wherein all output sheets of the output document are duplex. |
| US09491319B2 |
Display control device customizing content based on client display
A display control device includes an acquiring unit that acquires a display request of display information including a display item with respect to a device; a first storage unit that stores therein a minimum item size that is a minimum value of an item size of the display item displayed on a display screen on which the display information is to be displayed; an item size determination unit that sets, based on a screen size of the display screen, an item size of the display item when displayed on the display screen, to an item size that is equal to or larger than the minimum item size; and a display information generating unit that generates the display information including the display item having the set item size. |
| US09491314B2 |
Voltage boost for ET modulator
There is disclosed a voltage supply stage comprising an input supply voltage, a first (102) and second (104) switch connected in series, the first (102) and second (104) series-connected switches being connected in parallel with the input supply voltage between first and second terminals of the input supply voltage, a third (106) switch and capacitor connected in series, the series-connected third (106) switch and capacitor being connected in parallel with the first (102) switch, a fourth (108) switch connected between the connection of the third switch and the capacitor and an output, and a fifth (110) switch connected between the output and a terminal of the input supply voltage, wherein: in a first phase of operation, the first and the fourth switch are closed, and the second, third and fifth switches are open; in a second phase of operation, the second, third and fifth switches are closed, and the first and fourth switches are open; and the duty cycle of the first and second phases is controlled such that the average voltage on the output varies between 0 volts and twice the input supply voltage. |
| US09491311B1 |
Modular offline charging system that stores accounting data in data segments of a storage system
Systems and methods for offline charging. An Offline Charging System (OFCS) includes a data storage system partitioned into a plurality of data segments, a plurality of Input/Output (I/O) devices configured to communicate with the data storage system, and a plurality of charging function devices configured to communicate with the data storage system. An I/O device receives an accounting record for an accounting session, selects a data segment of the data storage system for the accounting session, and stores the accounting record for the accounting session in the data segment. A charging function device retrieves a copy of the accounting record for the accounting session from the data segment, and processes the copy of the accounting record to generate a CDR for the accounting session. |
| US09491309B2 |
System and method for running a multi-module telephony application
A system and method of a telephony application platform can include receiving a communication session request specifying a destination endpoint, connecting the communication session through a first application module according to the destination endpoint, receiving an instruction to transition communication control to a second application module, transitioning communication control of the communication session to the second application module, independently metering resource usage of the communication session of each application module, and accounting the metered usage of the communication session. |
| US09491308B1 |
Telecommunication price-based routing apparatus, system and method
Aspects of the present disclosure relate to telecommunications networks, processing and routing calls between networks, a computing system and methodologies for optimizing pricing particularly in situations with massive amounts of data, processing call volume data, deseasonalizing data, minutes of use data, establishing and distributing pricing data for use in routing decisions, among other features and advantages. |
| US09491307B2 |
System and method for establishing pre-stored emergency messages
A system and method for assisting with calls to public safety answering points may include receiving emergency message data from a user, and, in response to receiving an emergency call request from the user at a telecommunications device, communicating the emergency message data in an audio format to a PSAP. |
| US09491291B1 |
Systems and methods for institutional messaging
Methods and systems for automating messaging in an institutional setting by assigning a resident of an institution a control mechanism, providing the resident access to a messaging system via a telecommunications system, and providing one or more message options to the resident as a function of the resident's control mechanism. |
| US09491287B2 |
Ringtone assignment system and the method thereof
A ringtone assignment system and method are provided. The method includes steps of recording a multimedia ringtone via a first communication device, transmitting a communication linking request to a communication exchange host, transmitting the communication linking request to a second communication device via the communication exchange host to enable the second communication device to feed back ringtone format information supported by the second communication device according to the communication linking request, transmitting the ringtone format information to the first communication device via the communication exchange host to enable the first communication device to code the multimedia ringtone according to the ringtone format information, transmitting the multimedia ringtone from the first communication device to the second communication device, and then decoding and playing the multimedia ringtone by the second communication device. The second communication device is able to recode and assign the multimedia ringtone to the first communication device. |
| US09491284B2 |
Call termination on OTT network
This invention relates to a method of seamlessly connecting over-the-top and traditional telecommunication network networks including receiving by a telecommunications service provider from a calling party a dialed number of a called party; communicating by the telecommunication service provider the dialed number to an over-the-top servicer provider; checking by the over-the-top service provider whether it can terminate the call; and communicating the checking results to the telecommunication service provider, wherein the telecommunication service provider is capable of rerouting the call in case of failure in a manner that is seamless to both the calling party and the called party. |
| US09491281B2 |
Apparatus and method for displaying unchecked messages in a terminal
An apparatus and a method for displaying unchecked messages in a terminal, which can clearly and concisely display the unchecked messages. The apparatus includes: a display unit including a 1st region displaying unchecked messages and a 2nd region displaying checked messages in an unchecked message arrangement mode; and a controller that controls the display unit to arrange and display the unchecked messages according to predetermined priorities in the 1st region in the unchecked message arrangement mode. |
| US09491279B2 |
Mobile terminal equipped with touch screen and method of controlling therefor
A mobile terminal is disclosed. A mobile terminal according to one embodiment of the preset invention includes a first touch screen including a sub display, a second touch screen including a main display, a touch recognition sensor configured to recognize a first touch input and a second touch input starting on a first position of the first touch screen, a memory configured to store the recognized first touch input and the second touch input as a unlock pattern and if a third touch input and a fourth touch input starting on a second position of the first touch screen are recognized by the touch recognition sensor, a controller configured to compare the unlock pattern stored in the memory with the recognized third touch input and the fourth touch input and execute unlock of the main display according to a result of the comparison. |
| US09491277B2 |
Computerized method and system for global health, personal safety and emergency response
A computerized system and method for intuitively detecting a user's need for emergency help, preventive care and medical interventions and also for coordinating care for user's loved ones and pets when user experiences an emergency or has passed away. Detection is done via labs and life signs equipment and sensors, self-initiated request for monitoring or the system's periodically polling user through an alert, a telephone call, a notification, a text message or other appropriate means to find out if they are in danger. Polling and automated monitoring may also be triggered by real-time medical data electronically or wirelessly transmitted to the system. If user fails to respond, the system automatedly calls either user's contacts (by listed priority) to notify them of a potential emergency, or emergency responders directly depending on severity of the emergency and communicates to them critical information as well as a code to access user's medical record(s). |
| US09491276B2 |
User equipment capability report management during caller ID extraction
Aspects of user equipment capability reporting include receiving a paging signal for a second subscription during a tune away from an active voice call on a first subscription, sending a report of less than a full set of user equipment capability information to the network for the second subscription during a connection setup in response to the paging signal for the second subscription, extracting a caller identification (ID) associated with the paging signal for the second subscription during the tune away from the voice call on the first subscription, and initiating a transmission to the network for sending the full set of UE capability information for the second subscription in response to the voice call on the first subscription ending. |
| US09491274B1 |
Magnetically aligning handset and cord
In one embodiment, a system may include a telephone casing comprising a magnet and a backside. The system can also include a telephone cord and a telephone cord retainer comprising magnetic material. The telephone cord retainer can retain the telephone cord. Magnetic force may retain the telephone cord retainer to the telephone casing. |
| US09491273B2 |
Shell for mobile telephone with NFC functionality
A shell for a mobile telephone able to comprise a subscriber identity card. The mobile telephone has, on the one hand, a front face exhibiting a user interface and, on the other hand, a rear face. The shell has an internal surface and an external surface. This shell has a suitable shape adapted for removably receiving the mobile telephone so that the rear face of the mobile telephone is held along the internal surface of the shell. The internal surface comprises: a first means adapted for holding a near-field communication device and an antenna associated therewith; and a second means adapted for guiding at least a portion of a wire-based interface intended to link the near-field communication device to the subscriber identity card. |
| US09491272B2 |
Method and apparatus for providing event of portable device having flexible display unit
A portable terminal is provided. The portable terminal includes a flexible display disposed on a front surface of the portable terminal and extending to a side surface of the portable terminal, the flexible display unit including a main display area on the front surface, and an auxiliary display area on the side surface; a sensor that detects a state of the portable terminal; and a controller that selectively outputs event information on the main display area or the auxiliary display area of the flexible display unit according to the detected state of the portable terminal. |
| US09491269B2 |
Uplink transmission rate in a wireless communication device
A method for improving uplink transmission rate in a wireless communication device is provided. The wireless communication device can include a first logical layer and a second logical layer. The method can include the wireless communication device decoding, at the first logical layer, a first acknowledgement status of a transmitted data unit. The method can further include the wireless communication device determining, at the first logical layer, a second acknowledgement status of the data unit, which can be an acknowledgement status of the data unit at the second logical layer. The method can additionally include the wireless communication device determining, at the first logical layer, whether to retransmit the data unit based at least in part on both the first acknowledgement status of the data unit and the second acknowledgement status of the data unit. |
| US09491267B2 |
Multiplexing packets in packet communications
Producing protocol data units (PDUs) from a first protocol layer of a plurality of protocol layers is disclosed. The PDUs are concatenated and may each come from different priorities or different queues. A header may be added to the concatenated PDUs, using a medium access control (MAC) protocol layer, to form a multiplexed PDU. The header may indicate a size of each of the PDUs. |
| US09491262B2 |
Non-transitory computer readable medium, server and system
A server may receive information from one or more service providing apparatuses. Computer-readable instructions may cause the server to store device identification information, type information, and/or a transmission condition in association with service identification information. The server may receive device state information from one or more information devices when an information device determines that a transmission condition is satisfied. The server may also store the received device state information in association with device identification information identifying a specific information device, which transmitted the device state information. Further, the server may transmit, to a specific service providing apparatus, identified by specific service identification information, the device state information stored in association with the specific service identification information. |
| US09491261B1 |
Remote messaging protocol
Processes and systems are disclosed for a remote messaging protocol that combines application data and reliability information into a three-packet handshake exchange. Each packet may comprise message information indicating an initial packet, or an acknowledgement packet, along with a unique identifier for identifying responses to the initial message. Time-to-live and retransmission timers may be used in order to increase reliability of the protocol. |
| US09491260B2 |
Method and apparatus pertaining to the sharing of content
A control circuit co-displays a share-content selection opportunity (such as, but not limited to, a user-selectable icon button) when also displaying shareable content. Upon detecting selection of this share-content selection opportunity, the control circuit displays a plurality of different selectable content-sharing services. By one approach these different selectable content-sharing services are displayed in a window that partially, but not fully, overlies the shareable content. These teachings also provide for displaying a preselected service window for a given one of the plurality of different selectable content-sharing services. The preselected service can be selected, for example, on the basis of having been a most-recently selected one of the different selectable content-sharing services (either in general or in conjunction with the particular application as corresponds to the shareable content). |
| US09491259B2 |
Collectively loading programs in a multiple program multiple data environment
Techniques are disclosed for loading programs efficiently in a parallel computing system. In one embodiment, nodes of the parallel computing system receive a load description file which indicates, for each program of a multiple program multiple data (MPMD) job, nodes which are to load the program. The nodes determine, using collective operations, a total number of programs to load and a number of programs to load in parallel. The nodes further generate a class route for each program to be loaded in parallel, where the class route generated for a particular program includes only those nodes on which the program needs to be loaded. For each class route, a node is selected using a collective operation to be a load leader which accesses a file system to load the program associated with a class route and broadcasts the program via the class route to other nodes which require the program. |
| US09491258B2 |
Systems, communication endpoints, and related methods for distributing images corresponding to communication endpoints
Systems and methods are disclosed for distributing images corresponding to communication endpoints. A system includes one or more servers configured to determine whether image privacy settings corresponding to images of communication endpoints permit the images to be transmitted to others of the communication endpoints for display with contacts lists of the others of the communication endpoints. A method includes transmitting the data corresponding to the images to the others of the communication endpoints as permitted by the image privacy settings. A communication endpoint is configured to present a contacts list displaying the images corresponding to communication endpoints listed in the contacts list to a user, if permitted by the corresponding image privacy settings. A method of transforming a computing device into a communication endpoint includes storing computer-readable instructions directed to performing actions the communication endpoint is configured to perform, and transmitting the computer-readable instructions to the computing device. |
| US09491257B2 |
Facilitation of social interactions
Embodiments relate to facilitating social interactions. An aspect includes determining that a first communications device is in communicative contact with a second communications device, identifying at least one artifact relating to a user of the first communications device, and searching at least one database for information about a user of the second communications device that is in common with the user of the first communications device with respect to the artifact. Also, results of the searching are provided as a topic of conversation to the first communications device. |
| US09491251B2 |
Transmission of notifications to multiple devices associated with a user
A notification system provides notifications to a user associated with multiple user devices. The notification system selects a user device to receive a notification based on user behavior, such as user interactions with the notification system via the user device or acknowledgments of notifications received from user devices. The notification is sent to the selected user device, and the notification system waits for an acknowledgment from the selected notification system for an acknowledgement delay period. If no acknowledgment is received within the acknowledgment delay period, an additional user device is selected and the notification is sent to the additional user device. |
| US09491245B2 |
System and method for network management using extensible markup language
The invention relates to a system and method for management of an IP network using eXtensible Markup Language (XML) or a similar protocol in addition to SNMP or other managed-device protocol. In embodiments of the invention, a XML-formatted request for data is received, where the data is associated with a Voice over IP (VoIP) device. A device IP address in a first argument and a Xpath query in a second argument are specified, where the device IP address and the Xpath query are based on the XML-formatted request. A Management Information Base (MIB) variable is identified based on the Xpath query. |
| US09491242B2 |
Systems and methods for selecting and wirelessly programming a motor
A system for wirelessly programming and diagnosing a motor includes a server computer system, a portable electronic device, and a wireless communication device. The server computer system stores motor operating parameters and other motor data that can be accessed by the portable electronic device over a wireless communication network for identifying a suitable replacement motor for an unserviceable motor. The server computer system also generates motor programming instructions for programming the replacement motor to emulate the unserviceable motor. The portable electronic device wirelessly transmits the motor programming instructions to the wireless communication device for storing the motor programming instructions on a memory of a controller of the replacement motor so that the replacement motor will emulate the unserviceable motor. |
| US09491240B2 |
Maintenance of a fabric priority during synchronous copy operations
A primary storage controller receives a write command from a host, wherein Fibre Channel frames corresponding to the write command have a priority indicated by the host. The primary storage controller performs a synchronous copy operation to copy data written by the write command from the primary storage controller to a secondary storage controller, wherein Fibre Channel frames corresponding to the synchronous copy operations have an identical priority to the priority indicated by the host. |
| US09491238B2 |
Rapid client-side component processing based on component relationships
A client database manager can cause a memory of a client device on a client side of a network to store a first component, a second component, and a relationship value representing a dependent relationship between the first component and the second component. A client processing module can cause a processor to receive, after the storing, a request to process the first component at the client device. The client database manager can send to the server side of the network a request for an update of at least one of the first component or the second component. The client processing module can cause the processor to process at the client device, before receiving a response to the request for the update from the server side of the network, at least a portion of the first component and at least a portion of the second component based on the relationship value. |
| US09491236B2 |
System and method for secure, high-speed transfer of very large files
A method for parallelized transfer of an electronic file over a network. The method includes sending a first portion of the electronic file from a first sending node and receiving, at the first sending node, information relating to a second portion of the electronic file sent by a second sending node. The method further includes sending a third portion of the electronic file from the first sending node, wherein the third portion is different from the second portion. |
| US09491235B2 |
Method and apparatus to maximize return on investment in hybrid cloud environment
Exemplary embodiments improve return on investment in hybrid cloud environment. In one embodiment, a computer comprises: a memory; and a processor operable to manage two types of clouds, which are private and public clouds, by using information stored in the memory, and to manage migration of a set of an application and a data between a first type of clouds and a second type of clouds of the two types of clouds, the application running on a server of the first type of clouds, the data to be read or written by the application and being stored in a storage system of the first type of clouds. The processor manages the migration of the set of the application and the data between the first type of clouds and the second type of clouds based on resource utilization of resources including at least one of the server or the storage system. |
| US09491233B2 |
System and method for providing additional functionality to existing software in an integrated manner
An improved system and method are disclosed for improving functionality in software applications. In one example, the method includes a mobile device having a network interface, a processor, and a memory configured to store a plurality of instructions. The instructions include instructions for a superblock application having instructions for a function block included therein. The function block is configured to provide functions that are accessible to the superblock application via an application programming interface (API). The functions are provided within the superblock application itself and are accessible within the superblock application without switching context to another application on the mobile device. |
| US09491232B2 |
Work load management platform
A system comprises a work load management module and a plurality of datacenter pods communicatively coupled by a network. The data center pods include a first datacenter pod and a second datacenter pod. The second datacenter pod hosts a modified data center application that was migrated from the first datacenter pod in response to a first request. The work load management module receives a second request to revert the modified datacenter application back to the first datacenter pod. The work load management module determines one or more differences between a first pod environment configuration and a second pod environment configuration. The work load management module modifies the modified datacenter application based on the one or more differences to be operable in the first datacenter pod. It then reverts the datacenter application to the first datacenter pod such that the first datacenter pod hosts the datacenter application. |
| US09491230B2 |
Methods and systems for validating real time network communications
Methods and systems for managing network communications are described. An example resource management system includes a communications manager configured to access information regarding communication protocols used by corresponding broker systems and to provide message translations based on an origin and/or destination of the message to be transmitted. A message processor is coupled to the communications manager and is configured to serialize incoming and/or outgoing broker messages and to facilitate queuing of incoming and outgoing message traffic with broker systems. A communications configurer is configured to track one or more communication attributes of broker systems and changes thereto to ensure communications between the resource management systems are broker systems are conducted in accordance with the communication attributes of the broker systems. A communications rules provider is configured to determine which broker system is to be communicated with in order to fulfill a resource request. |
| US09491222B2 |
System and method for interoperability between flex applications and .NET applications
System and method for enabling interoperability between a Flex application included in a web page and an external application. A method includes substituting the Flex application included in the web page with a container application, the container application including an external interface; loading the Flex application into the container application; generating, by the container application, a representation for at least one object in the Flex application; and facilitating a communication between the Flex application and the external application based on the representation of the object. |
| US09491220B2 |
Systems and methods for adapting mobile multimedia content delivery service
The invention relates to a system and method for adapting mobile multimedia content delivery service to enhance the quality of experience of one or more users. This invention involves identifying all the contexts from different domains associated with the mobile multimedia content delivery service that can impact on the quality of experience of the end user. The invention maps the contexts with the quality of experience impactors. Based on this information an abstract adaptation model is created to define basic rules of adaptation. This model also defines the threshold for adaptation and also the different adaptation actions corresponding to different contexts. This model can be transformed into an implementable adaptation model taking real time constraints into consideration. The available contexts in real time are mapped with the contexts present in the abstract model and then decision making module decides when to adapt and how to adapt the multimedia content. |
| US09491218B2 |
Systems and methods for learning MSS of services
The virtual Server (vServer) of an intermediary device deployed between a plurality of clients and services supports parameters for setting maximum segment size (MSS) on a per vServer/service basis and for automatically learning the MSS among the back-end services. In case of vServer/service setting, all vServers will use the MSS value set through the parameter for the MSS value set in TCP SYN+ACK to clients. In the case of learning mode, the backend service MSS will be learnt through monitor probing. The vServer will monitor and learn the MSS that is being frequently used by the services. When the learning is active, the intermediary device may keep statistics of the MSS of backend services picked up during load balancing decisions and once an interval timer expires, the MSS value may be picked by a majority and set on the vServer. If there is no majority, then the highest MSS is picked up to be set on the vServer. |
| US09491216B2 |
Broadcast media streaming with customized playlist insertion method and system
A method, system and server for customizing a broadcast media stream for delivery to a client associated with a user via a communication network. The broadcast media stream comprises a plurality of content segments, such as hosted segments, which are separated by a plurality of musical, informational or generic segments. During streaming the plurality of musical, informational or generic segments are modified based on one or more user preferences such that there content matches more closely the preferred content of the user. |
| US09491213B2 |
Fragment server directed device fragment caching
The media stream delivery system encodes and fragments media streams into numerous media stream fragments maintained on fragment servers. Devices obtain fragments to reconstruct media streams including live real-time media streams for playback on the devices. A device may perform caching of media stream fragments so that particular fragments need not be accessed again from a fragment server. A fragment server or even a content provider can analyze and monitor characteristics of media streams, viewing behavior, content popularity, etc., to identify fragments for caching at the playback devices. Caching indicators along with time period indicators may be included in the media stream fragments. |
| US09491209B2 |
Wireless image transmission and reception system and method therefor
The present invention relates to a wireless image transmission and reception system having a plurality of transmission devices (100) and a reception device (200), wherein the transmission device (100) includes: a transmission button (110) being turned on for transmitting the image data of the connected terminal (10) and the identifier of the transmission device (100); and an image transmission part (120) for transmitting wirelessly the image data and the identifier, and the reception device (200) includes: an image reception part (210) for receiving wirelessly the image data and the identifier; and an identifier registration module (220) for registering the identifier of the transmission device (100), thereby outputting the image data to a display device (20). |
| US09491206B2 |
Simple video communication platform
A system offering simplified bi-directional video communication between a user and a device of a pre-configured one or more persons of interest includes a touch display with a pictorial representation of each of the one or more persons of interest. The touch display is configured to establish the bi-directional video communication with a selected one of said persons of interest in response to a single touch of the pictorial representation of the selected one of the persons of interest. In one implementation, the system includes a monitoring device positioned to monitor one or more biometric parameters of the user, and saving the biometric data on a server for processing. |
| US09491204B2 |
Multimedia routing system for securing third party participation in call consultation or call transfer of a call in progress
A multimedia router has code executable on the router from storage on a machine readable medium coupled to the router, the code providing routing functions, and a routing point identified in the router code for establishing at least one non-voice communications session between two or more communications appliances enabled for non-voice communications. During a voice call established between a calling party and one of the two or more communications appliances, the routing point is invoked from the called communications appliance by issuance of a non-voice routing request to establish at least one non-voice communications session between the called communications appliance and another of the two or more communications appliances. |
| US09491203B2 |
Service based release of a subscriber registrar server from a signalling path in an internet protocol communication network
A method of and servers for establishing a signalling path (20) for a communication session between a calling party (2) and a called party (11) in an Internet Protocol, IP, communications network. The signalling path (20) between the calling party (2) and the called party (11) is established via at least one subscriber registrar server (32) and at least one application server (30) invoking at least one service for the communication session. Dependent on the type of service, if capable for taking over control of the communication session, the at least one subscriber registrar server (32) may be at least partly released from the signalling path (20) for the at least one invoked service. |
| US09491200B2 |
Role-based attribute based access control (RABAC)
Systems and methods are disclosed for receiving an access request from a user device, the access request including an identity claim for a user; evaluating a risk of access based on matching an attribute of the user device with attributes stored in a user information database; authenticating the access request based on the identity claim and the risk evaluation to determine an authentication confidence level; generating a token based on the confidence level and the attribute matched; producing an authorization response based on inputs from the token, a risk based access control, a role based access control, and an attribute based access control, in which the authorization response determines whether to allow access to a system, deny access to the system, or request additional input from the user device. |
| US09491196B2 |
Security for group addressed data packets in wireless networks
A wireless network includes a border router, multiple router nodes and end devices. All nodes of the wireless network use a same group key for encryption and decryption of payloads of multicast layer-2 packets. A router node of the wireless network receives a group key from its parent node, and forwards the group key to its child nodes. The router node receives a layer-2 multicast packet with a payload specifying a multicast layer-3 address. The router node decrypts the payload using the group key. If at least one child node of the router node belongs to a group corresponding to the multicast layer-3 address, the router node forwards the encrypted payload as a layer-2 multicast packet to corresponding child nodes. Use of a same group key across all nodes of the wireless network reduces storage space in a node for storing group keys, and also simplifies group key handling. |
| US09491193B2 |
System and method for antivirus protection
The present invention relates to antivirus protection and more particularly to antivirus protection in a cloud server. The present invention protects a user machine from a virus while allowing the user to get the benefit of using multiple antivirus options without the need to run the antivirus options on the user machine. |
| US09491192B2 |
Universal relationships, system and method to build and operate a repository to manage and share trusted information of entities and their relationships
A computer system that registers entities, their relationship, and information related to the relationship. The related information is maintained only by its issuer and read access may be given to related entities. One entity can share with other entities the read access to information granted to it through the relationships it establishes with other entities. When an entity shares information, it gives another entity read access to the information at its source, maintained only by its issuer, without changes. For example, an entity shares its phone number and educational background with some company. The company entity may access all information shared by the entity, and can be sure the information is reliable since it is maintained and shared by its issuer. The phone number will be informed by the phone company and educational background information by each educational institute related to the entity that shared the information. |
| US09491185B2 |
Proactive containment of network security attacks
One embodiment disclosed relates to a method of proactive containment of network security attacks. Filtering parameters corresponding to a specific system vulnerability are determined. These parameters are distributed to network infrastructure components, and the network infrastructure components examine packets using these parameters to detect occurrence of an attack. Once an attack is detected, the network infrastructure components take action to inhibit the attack. Other embodiments are also disclosed. |
| US09491183B1 |
Geographic location-based policy
In a computing environment a request is received from a computing device associated with a user, requesting access to one or more computing resources. An approximate geographic location of the computing device is determined based on geographic information associated with the computing device. Access to the requested one or more computing resources is allowed based on the approximate geographic location of the computing device and geographic policy information for the user. |
| US09491179B2 |
Systems, methods and programs for detecting unauthorized use of text based communications services
Systems, methods, and programs for generating an authorized profile for a text communication device or account, may sample a text communication generated by the text communication device or account during communication and may store the text sample. The systems, methods, and programs may extract a language pattern from the stored text sample and may create an authorized profile based on the language pattern. Systems, methods, and programs for detecting unauthorized use of a text communication device or account may sample a text communication generated by the device or account during communication, may extract a language pattern from the audio sample, and may compare extracted language pattern of the sample with an authorized user profile. |
| US09491175B2 |
System and method for proxying federated authentication protocols
A system and method that include receiving a service provider identity request through a federated authentication protocol; transmitting a proxy identity request to a configured identity provider; receiving an identity assertion; facilitating execution of a second layer of authentication; determining a proxy identity assertion based on the identity assertion and the second layer of authentication; and transmitting the proxy identity assertion to the service provider. |
| US09491174B2 |
System and method for authenticating a user
A method for authenticating a user having a first enrollment step including: receiving by a first server an identifier and a password, and sending this information to a second server; on the second server: loading a security parameter, calculating a first cryptogram on the identifier, the password, and the security parameter, encrypting at least the identifier and the password, storing the encrypted data, sending the first cryptogram to the first server and storing said cryptogram on the first server; and a second verification step including: receiving by the first server the current identifier and the current password, and sending the information to the second server; on the second server calculating a second cryptogram on the current identifier, the current password, and the security parameter and sending the second cryptogram to the first server and verification that the first cryptogram is included in the database, if not, generating an error message. |
| US09491173B1 |
Alternative techniques for processing wireless communication backhaul
A method, system, and computer-readable media are provided for transmitting wireless data across a coaxial cable. In one aspect, a set of computer-readable media provides a method that includes receiving a request from a mobile device for data and transmitting the data across a coaxial cable to a cable modem. The method further includes sending the data to the mobile device through a base station, wherein the base station communicates with the cable modem in order to receive the data. |
| US09491170B2 |
Authenticating customers and managing authenticated sessions
Methods, systems, and computer-readable media for authenticating customers of an organization and managing authenticated sessions of various customers are presented. Some aspects of the disclosure provide ways for a customer of an organization to authenticate using a mobile computing device, such as the customer's personal mobile device, when interacting with the organization in various contexts, such as when accessing an automated transaction device or when interacting with an agent of the organization during an in-person session or during a teleconference session. In some arrangements, the customer's authentication status, which may be established on the mobile computing device and which, in some instances, may be verified based on the location of the mobile computing device, may be carried over from the mobile computing device to another computing device or system, such as an automated transaction device or a teller terminal device, which may be used by an agent of the organization. |
| US09491167B2 |
Voice authentication system and method
A method for maintaining a voiceprint utilizable to authenticate a user comprises associating a trainable universal background model with the user. A voiceprint for the user is generated utilizing the trainable universal background model and at least one enrollment voice sample provided by the user. The trainable universal background model is subsequently trained with additional voice samples provided by the user post enrollment that satisfy predefined adaptation criteria. The voiceprint is regenerated responsive to a change to the trainable universal background model. |
| US09491166B2 |
Apparatus and method for authenticating smart card
The disclosure discloses an apparatus and a method for authenticating a smart card. The apparatus for authenticating a smart card comprises a smart card authentication service module, a Smart Card Reader (SCReader) drive module, a Personnel Computer Smart Card Drive (pcscd) service module and a virtual serial port drive module, wherein the smart card authentication service module is configured to send an initialization command to the SCReader drive module, to send an authentication request to the terminal device and the network server, and to compare smart card authentication operation results received from the network server and the terminal device; when the results are identical to each other, the authentication of the smart card is passed; the SCReader drive module is configured to receive the initialization command from the smart card authentication service module and to send the authentication operation result from the terminal device to the smart card authentication service module; the pcscd service module is configured to provide a data transmission interface for the smart card authentication service module and to send data to the virtual serial port drive module through the SCReader drive module; and the virtual serial port drive module is configured to transmit data between the terminal device and the SCReader drive module. By the device and method, the existing module of a computer can be well used; and the authentication of multiple kinds of smart cards can be implemented, so that the device and method have high compatibility, and are easy to expand and widely applied. |
| US09491164B1 |
System and method for importing heterogeneous hashed passwords
A method is disclosed for migrating a client domain involving identifying a user account entry in a client domain's password table, where the entry includes a user identifier and a first hashed password value, where the first hashed password value is derived from hashing a user password with a client domain hash algorithm. The first hashed password value is re-hashed using a multi-tenant system hash algorithm to obtain a second hashed password value. Another user account entry is created and stored in a multi-tenant system password table along with the second hashed password value and metadata from which the client domain hash algorithm can be determined. |
| US09491161B2 |
Systems and methods for performing single sign-on by an intermediary device for a remote desktop session of a client
The present disclosure is directed to systems and methods for performing single sign on by an intermediary device for a remote desktop session of a client. A first device intermediary to a plurality of clients and a plurality of servers authenticates a user and establishes a connection to the user's client device. The device provides a homepage including links to one or more remote desktop hosts associated with the user. The device receives a request to launch an RDP session with a remote desktop host via the homepage and generates RDP content, including a security token, for the user. The device receives a second request that includes the security token to launch the RDP session. The device validates the user using the security token and establishes a connection to the remote desktop host. The device signs into the desktop host using session credentials. |
| US09491160B2 |
Method and apparatus for remote identity proofing service issuing trusted identities
Illustrative methods, processes, and software are disclosed herein that remotely prove the identity of individuals fully compliant with identity proofing standards and policies. The embodiments may utilize photo identification and government identities using networked capabilities and capabilities within a process for end-to-end fully remote identity proofing followed by the automated provisioning and issuance of a trusted identity and optional credentials. In alternative manifestations the embodiments use automated government identity lookups including but not limited to digital imagery equipment with artificial intelligence and pattern recognition to detect fraudulent physical identification articles remotely, electronic scans of magnetic stripes and other electronic markers on government-issued identification media including but not limited to drivers licenses, government employee identities, passports, or other government-issued identities combined with real-time lookup in trusted databases. In alternative manifestations the embodiments use multiple biometric form factors for proofing, registration, recognition, and authentication. |
| US09491159B2 |
Secure challenge system for verifying access rights to media content
Described is a technique for securely verifying access rights to a media file stored on a user device. By verifying the access rights to the media file, a server may provide access to a licensed version of the media from a media library in a remote location such as server for a cloud-based service. When a media file is confirmed to be available in a media library, a cryptographic a hash function that incorporates a random value or “salt” is used to verify that a user is in possession of an entire media file. Accordingly, the techniques described herein improve the security for verifying that a user is in possession of a media file by preventing the use of pre-calculated hashes. |
| US09491154B2 |
Document, method for authenticating a user, in particular for releasing a chip card function, and computer system
A document having a non-volatile memory area for storing a secret identifier that has a first n-digit character sequence from a predefined character set; a random generator for selecting at least one character from the predefined character set for replacement of at least one character of the first character sequence, such that a second n-digit character sequence is defined as a result of this replacement; a volatile memory area for storing the at least one selected character; a display device for displaying the at least one selected character; an interface for inputting a third character sequence; and a processor element for authenticating the user to the document, wherein the processor element is configured to access the non-volatile memory area and the volatile memory area in order to read the second character sequence and check for a match between the second and third character sequences in order to authenticate the user. |
| US09491153B2 |
WiFi opportunistic key caching over non-WiFi access
This disclosure describes systems, methods, and computer-readable media related to WiFi opportunistic key caching over non-WiFi access. In some embodiments, data may be received from a user device over a non-WiFi network connection. The data may include authentication credentials for a WiFi network connection and a location associated with the user device. One or more access points may be identified based at least in part on the location associated with the user device. Information associated with the user device and the authentication credentials may be transmitted to the identified one or more access points. Authentication of the user device with at least one of the identified one or more access points may be facilitated. |
| US09491151B2 |
Memory apparatus, charge pump circuit and voltage pumping method thereof
The invention provides a memory apparatus, a charge pump circuit, and a voltage pumping method thereof. The charge pump circuit including a plurality of delay units, a latch circuit, and a plurality of charge pump units. The delay units respectively generate a plurality clock signals according to an output clock signal. The latch circuit receive a final stage clock signal of the clock signals and a latch enable signal. The latch circuit decides whether to latch final stage clock signal or not to generate the output clock signal according to the latch enable signal. The first stage of the charge pump unit receives an input voltage, and the charge pump units operate a voltage pumping operation on the input voltage to generate an output voltage according to the clock signals and the output clock signal. |
| US09491146B2 |
Computational systems and methods for encrypting data for anonymous storage
Methods, apparatuses, computer program products, devices and systems are described that carry out accepting from a user identifier encryption entity at least one encrypted identifier corresponding to a user having at least one instance of data for encryption; encrypting the at least one instance of data to produce level-one-encrypted data; associating the at least one encrypted identifier with the level-one-encrypted data, wherein a level-one decryption key for the level-one-encrypted data is inaccessible to the user identifier encryption entity; and transmitting the level-one-encrypted data and associated encrypted identifier. |
| US09491141B2 |
Incoming redirection mechanism on a reverse proxy
A system is provided for filtering packets. The system includes: a filter for determining, by applying a set of at least one filtering rule, whether a packet is permitted to be routed towards a receiving entity. The system includes a verification element for verifying validity of an authentication token included in a request received by the filtering system and adds, to the set, after receiving an initial request, a so-called top-level filtering rule, permitting the routing, towards the verification element, of at least one packet received via a predetermined communication port of the device, in which the source address is identical to the source address of the initial request, regardless of the source communication port of the subsequent request. A routing element routes a subsequent request including a valid authentication token towards a receiving entity of the subsequent request. |
| US09491139B2 |
System and method to use common addresses on different interfaces in a management controller without conflict
A management controller includes a first data communication interface for communicating with a first network interface, a second data communication interface for communicating with a second network interface, and a processor. The first network interface provides a first network interface mode that permits a processing system to access a network, an operating system-to-management controller (OS-to-MC) pass-through mode that permits the management controller to access the processing system, and a network-to-management controller (Net-to-MC) pass-through mode that permits the management controller to access the network. The second network interface permits the management controller to access a management station. The management controller provides a common Media Access Control address and a common Internet Protocol address to the first data communication interface and to the second data communication interface without causing conflict on the network. |
| US09491138B2 |
Internet protocol (IP) address translation
Translation of Internet Protocol version 4 (IPv4) and Internet Protocol version 6 (IPv6) addresses is contemplated, such as for use in allowing IPv4 devices to connect with IPv6 device without requiring the IPv4 devices to specify the IPv6 address of the connected-to IPv6 device. The IPv6 addresses may be translated to IPv4 addresses suitable for use with the IPv4 devices in a manner that sufficiently compresses the IPv6 for use with the more bit limited nomenclature of an IPv4 address. |
| US09491130B1 |
System and method for providing location based one-to-one communication
A system for providing location based one-to-one text chat between users includes a server and a plurality of mobile communication devices that are equipped with GPS receivers and used by the users. The users identify themselves to each other using their respective visual descriptions. When located in a close proximity or a same facility, one user invites another user for a text chat. The chat session is terminated when one of the users leaves the facility or moves beyond certain distance from the other user. |
| US09491118B1 |
Wireless nanoionic-based radio frequency switch
A nanoionic switch connected to one or more rectenna modules is disclosed. The rectenna module is configured to receive a wireless signal and apply a first bias to change a state of the nanoionic switch from a first state to a second state. The rectenna module can receive a second wireless signal and apply a second bias to change the nanoionic switch from the second state back to the first state. The first bias is generally opposite of the first bias. The rectenna module accordingly permits operation of the nanoionic switch without onboard power. |
| US09491114B2 |
System and method for optimizing resource utilization in a clustered or cloud environment
In one embodiment, a method includes calculating ideal resource apportionments from a current set of consumable resources for each of a plurality of reservations. Each reservation corresponds to one of a plurality of customers. The method further includes running an apportionment process relative to the plurality of reservations. The running includes attempting to apportion to each reservation its ideal resource apportionment. The running yields an actual resource apportionment for each reservation. Each customer's actual resource apportionment comprises a sum of the actual resource apportionments for the customer's reservations. In addition, the method includes, responsive to an indication of unapportioned resources following the running, performing a first optimization to increase resource utilization by at least one needy customer. |
| US09491111B1 |
Securing service control on third party hardware
Techniques for securely instantiating control plane components of provider services, at least a portion of which are instantiated within secure execution environments, are described herein. A request to instantiate the control plane of a service provided by a computing resource service provider is fulfilled by selecting a target computer system. The target computer system is selected based at least in part on the hardware capabilities of the target computer system. The control plane is then instantiated within a secure execution environment operating on the target computer system. |
| US09491108B2 |
Extended priority for ethernet packets
A network device includes a packet ingress configured to receive packets from a network, and a packet processor. The packet processor is configured to identify a first packet of the received packets as a double VLAN tagged packet including a first priority field associated with a first VLAN tag and a second priority field associated with a second VLAN tag. The packet processor is also configured to assign an extended priority profile to the first packet based on one or more bits of the first priority field and one or more bits of the second priority field, the extended priority profile being among a group of possible extended priority profiles that is larger than any group of possible priority profiles associated with a single VLAN tag of the first packet. The packet processor is further configured to process the first packet according to the assigned extended priority profile. |
| US09491106B2 |
Non-intrusive method for synchronizing master and slave clocks of a packet-switched network, and associated synchronization devices
A method is devoted to the synchronization of master (HM) and slave (HE) clocks of a packet-switched network, capable of exchanging synchronization packet flows via intermediary equipment (E1-E9) of that network, connected to one another. This method comprises the following steps: i) determining within each piece of intermediary equipment (E1-E9) the instant transit times of packets belonging to a first group of packets of at least one chosen flow of synchronization packets, then acting on packets from a second group of packets of that chosen flow so that their instant transit times within each piece of intermediary equipment (E1-E9) are each roughly equal to a corresponding maximum transit time, and ii) filtering the packets of the chosen flow at least within the slave clock (HE) in order to synchronize it to the master clock (HM) by means of the processed packets of that chosen flow's second group. |
| US09491097B2 |
Packet forwarding in a star stacking system
A stacking port extension member receives a packet, forwards the packet according to a destination port number of the packet when a destination forwarding chip identifier (ID) of the packet is a local forwarding chip ID, determine whether the packet is transmitted to a lower-level stacking port extension member when the destination forwarding chip ID of the packet is not the local forwarding chip ID, forward the packet according to a configured forwarding relationship towards the lower-level stacking port extension member when it is determined that the packet is transmitted to the lower-level stacking port extension member, and otherwise, directly forward the packet through a locally configured uplink second-level stacking port. |
| US09491096B2 |
Network apparatus, control method thereof, control program and packet network system
A switching process includes an SRAM/CAM storing registration data including a forwarding database used for packet-forwarding and a DRAM storing packet data. The registration data including the forwarding database of the SRAM/CAM for packet-forwarding is stored into the DRAM as a copy of the registration data, and the registration data of the DRAM is used to refresh the registration data of the SRAM/CAM for a predetermined time interval. A data error in the SRAM/CAM caused by a soft-error is rewritten to normal data by periodical refreshing so that data is guaranteed with relatively low cost and the reliability of the network apparatus is improved. |
| US09491092B1 |
Apparatus, system, and method for preventing unintentional forwarding reconfiguration in network environments
The disclosed apparatus may include a physical link that facilitates communication for a plurality of customer networks connected to a service provider network. The apparatus may also include a network device communicatively coupled to the physical link. The network device may identify first and second route-update messages that advertise a plurality of route targets representing the plurality of customer networks to at least one other network device within the service provider network. The network device may remove a route target from the first route-update message due at least in part to the physical link no longer facilitating communication for a customer network represented by the route target. The network device may then maintain the second route-update message intact despite the removal of the route target from the first route-update message. Various other apparatuses, systems, and methods are also disclosed. |
| US09491091B2 |
MLDP failover using fast notification packets
An mLDP failover using fast notification packets. In one embodiment of a process for mLDP failover using fast notification packets, a first network node detects a failure of a second network node or a communication link coupled to the second network node. In response to detecting the failure, the first network node sends a packet to a third network node, wherein the packet comprises a notification of link or node failure and information identifying a multipoint label switched path (MLSP) that is configured to transmit multicast data packets of a multicast data stream. |
| US09491089B2 |
Automatic aggregation of inter-device ports/links in a virtual device
A virtual device includes multiple devices connected to operate as a single device. A first one of the devices is configured to determine that the first device connects to a second one of the devices via a first link; identify a second link; determine that the second link connects the first device to the second device; and automatically aggregate the first link and the second link to form a link aggregation with the second device based on determining that the first device connects to the second device via both the first and second links. The first device is further configured to transmit packets to the second device via the first and second links of the link aggregation. |
| US09491088B2 |
Distributed system and method for sharing capacity in an ad-hoc network
A system is provided for sharing capacity in a communications network comprising a set of nodes sharing common resources, where the nodes are able to be connected by pairs via communications links. Each node is capable of locally holding at least one set of triplets (k, l, Nkl) which associates, with each link (k, l), an expiration time Nkl representing the date until which the associated link may be considered as unused. The nodes are furthermore configured for periodically exchanging, according to a predefined period p, control messages over a set of links, each control message sent over a given link by a node comprising the sets of triplets held locally by the node and which correspond to the links that are in conflict with said given link. |
| US09491080B2 |
Indicator circuit and electronic device
An indicator circuit comprises a first logic circuit, a second logic circuit, a third logic circuit, an auxiliary power circuit, a switch circuit, and a light emitting diode (LED) circuit. The switch circuit controls whether the LED circuit lights or not, according to the first logic circuit, the second logic circuit, and the third logic circuit, to indicate connections to different data bandwidths. |
| US09491079B2 |
Remote monitoring and controlling of network utilization
A non-transitory computer-readable storage medium storing instructions which, when executed by processors, cause the processors to perform: at a management computer, receiving, from a gateway located in a managed network, device information about devices in the managed network; for a particular device: determining a match between the device capabilities of the particular device and features of a particular network software application configured to control the particular device, and determining a particular protocol endpoint configured to communicate control instructions from the particular network software application to the particular device; receiving, from the gateway, aggregated data that reflects network utilization by the devices located in the managed network; for the particular device: based at least in part on the aggregated data, using the particular network software application, determining control instructions for the particular device; causing the particular protocol endpoint to transmit the control instructions for the particular device to the device. |
| US09491077B2 |
Network metric reporting system
A tool for monitoring the use of devices in an interconnected network. Desired network information, such as the use of browsers on the networked devices, the use of other applications hosted on the networked devices, and the speed and volume of data traffic to and within the network, may be collected by one or more network management tools operating within the network, and then provided to an outside reporting server. In response, the reporting server then organizes and reports the collected information to one or more authorized parties associated with the network. The reporting server may send the collected network information directly to the authorized parties via electronic mail, or provide access to the collected network information by posting it on a secured Web site. |
| US09491076B2 |
Learning end-to-end delays in computer networks from sporadic round-trip delay probing
In one embodiment, periodic round-trip probes are executed in a network, whereby a packet is transmitted along a particular communication path from a source to a destination and back to the source. Statistical information relating to the round-trip probes is gathered, and a transmission delay of the round-trip probes is calculated based on the gathered statistical information. Also, an end-to-end transmission delay along an arbitrary communication path in the network is estimated based on the calculated transmission delay of the round-trip probes. |
| US09491073B2 |
Monitoring domain allocation performance
Systems and methods for monitoring the performance associated with fulfilling resource requests and determining optimizations for improving such performance are provided. A processing device obtains and processes performance metric information associated with processing a request corresponding to two or more embedded resources. The processing device uses the processed performance metric information to determine an allocation of one or more domains to be associated with the two or more embedded resources. In some embodiments, in making such a determination, the processing device assesses performance metric information collected and associated with subsequent requests for the two or more embedded resources using each of a variety of alternative allocations of domains associated with the two or more embedded resources. The processing device may also consider a number of factors, including domain selection criteria obtained from an original content provider. Aspects of systems and methods for generating recommendations to use a particular allocation of domains to process a subsequent request corresponding to the two or more embedded resources are also provided. |
| US09491071B2 |
System and method for dynamically grouping devices based on present device conditions
A method to dynamically group devices based on device information, which is associated with a system for monitoring the device information that communicates information between a device and an enterprise. Information is collected from a device information source to obtain an actual status of a device. The actual status of the device is compared to a stored status of the device. The stored status is stored on a server of the enterprise. The enterprise determines if the actual status has been changed from the stored status. When a change is detected, the method performs at least one of the acts of automatically disassociating the device from a group that reflects the stored status and automatically associating the device with a new group to reflect the actual status. |
| US09491068B2 |
Method, apparatus, and system for flow measurement
Embodiments of the present invention provide a method, an apparatus, and a system for flow measurement, which are used to reduce management bandwidth of a controller over a forwarding device. The method includes: receiving a data flow sent by a forwarding device, and knowing the type of the data flow by parsing the data flow; if the type of the data flow is a preset type in a measurement flow type set, obtaining a feature identifier carried in the data flow and packet header information of the data flow, and obtain operation information corresponding to the data flow, and adding a measurement operation for the feature identifier to the operation information, where the operation information is used to record various operations of the data flow; and sending, to the forwarding device, the packet header information and the operation information added with the measurement operation for the feature identifier. |
| US09491063B2 |
Method and apparatus for providing network services orchestration
A method and apparatus for providing network services orchestration are described herein. The apparatus comprises a network controller that runs a network services orchestration module. The network services orchestration module has a service management northbound application programming interface (API), an instance management submodule, an autoscaling and power management submodule, and an instance location southbound API. A steering module is also described herein that includes a steering northbound API and an instance location northbound API. |
| US09491060B1 |
Integrated wireless sensor network (WSN) and massively parallel processing database management system (MPP DBMS)
An architecture, methods and apparatus are provided for managing sensor data. Sensor networks comprised of a plurality of sensors are managed by obtaining measurement data and context data from the plurality of sensors; storing the obtained measurement data and context data using a Massively Parallel Processing Database Management System (MPP DBMS); and managing the sensor network from outside of the sensor network using the MPP DBMS. Context-aware adaptation of sensors is based on context regarding a state of the sensor network and context regarding a state of one or more applications. The sensor nodes are optionally clustered based on semantic similarities among sensor readings from different sensor nodes and a distance among the sensor nodes. A subset of the sensor nodes is optionally selected to be active based on a residual energy of the sensor nodes and a relevance of the sensor nodes to an application. Data prediction models are generated and employed for data sensing and analytics. |
| US09491054B2 |
Network-state management service
The techniques and/or systems described herein implement a network management service configured to read and write a state of a network for various applications (e.g., network management applications) so that the applications can operate independently. The network management service is configured to read an observed network state and provide the observed network state to the applications. Subsequently, the network management service receives proposed network states from the applications and uses a state dependency graph to determine whether state conflicts exist between the proposed network states. The network management service also determined whether defined policies are violated by the proposed network states. Finally, the network management service is configured to generate a target network state by merging non-conflicting proposed network states that comply with defined policies and to update (e.g., write) the network state based on the generated target network state. |
| US09491052B2 |
Topology aware smart merge
Systems, methods, and computer readable media for managing the configuration of topologically related network devices are described. In general, devices that are “topologically related” are devices that are functionally coupled in some way (e.g., network switches sharing a common trunk line or network routers providing common router services in accordance with an established priority scheme). Specifically, techniques are disclosed for verifying or changing the configuration of a first network device based on the configuration of a second, topologically related, network device. Configuration policies (or rules) are described that are used to “bridge” the configuration of one device with that of another device. |
| US09491048B2 |
Devices and methods for facilitating automated configuration of communications interfaces
Access terminals are adapted to facilitate automated configuration of communications interfaces based on a current carrier identity. According to one example, an access terminal may determine a carrier identity from a subscription module. A modem configuration associated with the carrier identity may be selected from modem configuration data stored on a storage medium accessible by the access terminal. The selected carrier-specific software configuration may then be activated to configure a communications interface of the access terminal to facilitate operations associated with the carrier identity, such as facilitating wireless communications with a carrier associated with the carrier identity. Other aspects, embodiments, and features are also included. |
| US09491046B2 |
System and method for switching traffic from sub-optimal primary P2MP to standby P2MP
A system, method and apparatus in which RSVP path messages are modified to indicate that a failed source-to-leaf (S2L) sub-LSP or path has switched (or is switching) to a bypass S2L sub-LSP or path via a local-protection mechanism. Thus, a leaf PE node may choose to switch traffic sourcing from a primary tunnel to a standby tunnel even if the primary tunnel appears to be functioning properly. In this manner, any actual or potential suboptimal performance of the primary tunnel due to selection of the local-protection mechanism may be avoided. |
| US09491045B2 |
Method and apparatus for improving the efficiency of resource utilisation in a communications system
The present invention relates to a method and apparatus for requesting a transport policy for a bearer of a session in a communications system (100) A transport policy requesting node (500) according to the invention comprises an event handling mechanism (505) adapted to detect a triggering event triggering the selection of a transport policy for the bearer of a service; a transport policy selection mechanism (525) adapted to select a transport policy and transmit a policy request indicative of the transport policy to a policy decision function, and a context information handling mechanism (515, 520) adapted to receive information relating to a context relevant to the service. The context information can be used as a trigger for the selection of a transport policy, and/or as a basis for the selection of a transport policy. |
| US09491044B2 |
Wireless communication system comprising apparatus and methods for accessing a data network
A wireless communications system supporting user plane data comprises: a first network having a first packet data network gateway (P-GW); a second network having a second P-GW operably coupled to the first network via a backhaul link; a serving gateway (S-GW) a base station; and a terminal device, wherein a single packet data network connection is created for the terminal device that traverses through the first P-GW, second P-GW, S-GW and base station. |
| US09491043B2 |
Communication path switching device, communication path switching method and communication path switching program
A communication path switching device is configured to determine whether or not a specified network device where exclusion from a communication path or addition to the communication path is specified through an input device can perform path switching based on the individual pieces of information on a coupling configuration and a presence or absence of an independent control function; refer to a storage device for the individual pieces of information on the coupling configuration and a coupling policy to change the coupling policy according to a result of the determination; and processing of issuing, according to the result of the determination and the individual pieces of information in the storage device, a path switching instruction to a network device having the independent control function and a network device not having the independent control function that are path switching targets on a communication path directed to the specified network device. |
| US09491042B1 |
Requesting high availability for network connections through control messages
In one example, a network device includes one or more network interfaces configured to receive a message according to a protocol for reserving a public Internet protocol (IP) address and port for a network connection and to receive one or more packets of a packet flow associated with the public IP address and the port for the network connection, and one or more processors comprising a primary service device, wherein the processors are configured to determine whether the message includes an indication that the network connection is to be checkpointed for high availability, and wherein the primary service device is configured to, based on the indication, checkpoint data of at least one of the received packets to a backup service device. Accordingly, a message of a protocol for reserving a public network address and port may be used to indicate whether a network connection should be checkpointed for high availability. |
| US09491037B2 |
Enhanced exporter tool
Some embodiments of an enhanced exporter tool have been presented. In one embodiment, a connected centralized server is synchronized with an external server of a software vendor over an external network. The connected centralized server may reside in an internal network of a customer of the software vendor. Content from the connected centralized server is exported to a disconnected centralized server of the customer according to a set of criteria. The disconnected centralized server may reside in a secured portion of the internal network of the customer. |
| US09491035B1 |
Cloud services directory protocol
Techniques for discovering and evaluating services available via a cloud infrastructure. In one example, a method comprises the following steps. A service discovery request is sent to a plurality of service providers in a cloud computing system. One or more service discovery responses are received from one or more of the plurality of service providers for one or more proposed services. A weighted appropriateness score is computed for each of the proposed services based on each service discovery response. At least one of the proposed services is automatically engaged based on the weighted appropriateness scores. |
| US09491025B2 |
Timing synchronization in an orthogonal frequency-division multiplexing (OFDM) system
A transmitting end of an Orthogonal Frequency-Division Multiplexing (OFDM) wireless communication system may generate a training sequence and attach the training sequence to a data sequence that contains information data. A receiving end of the OFDM wireless communication system may identify a starting position of the data sequence and further extract the data sequence. |
| US09491023B2 |
Soft metrics compressing method
A signal method of processing in a receiver a signal that has been encoded and interleaved in a transmitter comprising: receiving a signal, process the signal to obtain a stream of soft metrics representing bit probability of symbols in a predetermined constellation; applying to said soft metric a compression operation that preserves the total length of each group of soft metrics relative to a same constellation symbol; rearranging the stream of compressed soft metrics so as to inverse the interleaving done in the transmitter. |
| US09491022B2 |
Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
An apparatus including an encoder for encoding service data corresponding to each of a plurality of data transmission path, an encoder for encoding signaling data, wherein the signaling data includes static data and dynamic data, a frame builder for building signal frames, wherein each of signal frames includes the encoded service data and the encoded signaling data, wherein each of signal frames belongs to one of the broadcast services, wherein the static data remain constant in the signal frames belonging to the broadcast service in a duration of a super frame and the dynamic data changes by the signal frames, a modulator for modulating the signal frames by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the modulated signal frames. |
| US09491020B2 |
Signal transmission method and device in wireless communication system
Provided is a method and device for signal transmission having good PAPR/CM characteristics. With regard to one aspect of said method, the method for transmitting a reference signal in a wireless communication signal comprises a step wherein a reference signal sequence is generated, a step wherein said reference signal sequence is divided with respect to each of multiple sub-blocks, a step wherein each of said plurality of divided reference signal sequence is subject to circular shifting, and a step wherein said plurality of circular shifted reference signals are transmitted via said plurality of sub-blocks. |
| US09491016B2 |
Equalization processing apparatus, wireless communication terminal, and equalization processing method
An equalization processing apparatus includes a correlation matrix generating unit. The correlation matrix generating unit calculates a correlation value between a plurality of paths of a received signal coming from the paths based on a correlation pattern selected from a plurality of correlation patterns indicating combinations of the numbers of correlation chips as arbitrary chips to be used for calculation of the correlation value among all the chips of the received signal and identification numbers of the correlation chips so as to generate a correlation matrix that is applied to equalization processing on the received signal. |
| US09491010B2 |
Phase noise tracking and reduction
A group of data symbols for a current block of data symbols in multiple blocks received over a communication channel is equalized, based on a pilot block, to generate a group of equalized symbols. The group of equalized symbols is de-rotated as a function of a current phase estimate to determine initial de-rotated equalized symbols. The phase estimate is an estimate of phase caused by noise for blocks previous to the current block. Additionally, a phase metric is calculated from real and imaginary parts of the initial de-rotated equalized symbols, wherein the phase metric estimates phase caused by noise for the current block. The current phase estimate is updated with the phase metric. The initial de-rotated equalized symbols are de-rotated by the phase metric to determine final equalized and de-rotated symbol estimates. The final equalized and de-rotated symbol estimates are output. Apparatus, methods, and computer program products are disclosed. |
| US09491008B2 |
On-chip AC coupled receiver with real-time linear baseline-wander compensation
An on-chip AC coupled receiver with baseline wander compensation. The receiver may be used for either single ended or differential signals. The receiver includes an input terminal to receive an input signal. AC coupling circuitry is between the input terminal and a node and couples the input signal into a coupled signal at the node. A control loop senses low frequency signal content at the node and uses a linear buffer in adjusting the coupled signal at the node based on the low frequency signal content. The operation of the control loop compensates for potential baseline wander in the coupled signal. An input stage to recovers data from the coupled signal at the node. |
| US09491006B2 |
Receiver and reception method for estimating channel in an orthogonal frequency division multiple access system
A receiver and reception method for estimating a channel in an Orthogonal Frequency Division Multiple Access (OFDMA) system is provided. The receiver includes a delay estimator for estimating, from a signal received from a transmitter through multipaths, at least one of an average time delay of the multipaths and a time delay of one of the multipaths having a maximum power among the multipaths, a rotator for circular-rotating the received signal using the estimated delay, and a channel estimator for estimating a channel impulse response of the circular-rotated signal. |
| US09491005B2 |
Network system and method of controlling network system
Provided are a network system and a method of controlling the same. The network system includes a metering device metering energy supplied from a power supply source, a communication device by which energy information related to the energy communicates, an energy management device recognizing the energy information to control an operation of an electric product, and an environment information management device recognizing a carbon amount or a carbon dioxide amount, which is generated according to the operation of the electric product. A power-saving operation of the electric product is selectively performed, based on the carbon amount or the carbon dioxide amount recognized by the environment information management device. Since a power management program is executed using an environment information management unit, energy may be further efficiently managed within an intellectual power supply network. |
| US09491003B2 |
Method and apparatus for keeping orders among messages of discrete media type in CPM session
Disclosed are a method and apparatus for keeping orders among messages when transmitting and receiving messages within a Converged IP Messaging (CPM) session. A message transmission and reception method in a network comprises receiving a message including sequential identification information and a cumulative size, and outputting the received message, wherein the sequential identification information is an identifier allowing identification of orders managed within a session, transmission and reception being performed in the session, and the cumulative size is the sum of sizes of messages, the messages being sent by a subject having sent the received message within the session, wherein the output order of the received message is decided based upon the sequential identification information and sequential identification information relating to messages received prior to the received message. |
| US09490999B2 |
Single-wire communications using iterative baud learning
Systems and techniques for single-wire communications are described. A described technique includes detecting transitions on a single-wire bus that are produced by a host device; determining an estimated baud rate of the host device based on the transitions by approximating a bit transition rate associated with the transitions by iteratively adjusting a charging rate of a capacitor to match the bit transition rate; and communicating with the host device based on the estimated baud rate. |
| US09490998B1 |
Network-based remote control
The subject matter of the present disclosure can be implemented in, among other things a computer-readable storage medium encoded with instructions for causing a programmable processor to receive, by a server, a first message from a remote control that is distinct from and external to the server, wherein the first message includes a remote control identifier and control information for controlling one or more functions of at least one device other than the remote control. The instructions also cause the programmable processor to retrieve, by the server, a controlled device identifier that uniquely identifies a controlled device that is distinct from and external to the server. The instructions also cause the programmable processor to send a second message from the server to the controlled device identified by the controlled device identifier to control an operation of the controlled device. |
| US09490997B2 |
Control method for information apparatus and computer-readable recording medium
When selection of a device icon representing one target device among one or more target devices is sensed, a control screen for operating, or confirming a state of, the one target device corresponding to the sensed device icon is displayed on a display as overlapped on a display screen representing a floor plan, and device icons representing the one or more target devices are moved out of a display region of the control screen. |
| US09490996B1 |
Home automation device
The present disclosure relates to a home automation system that is automated based on user preferences provided by a social networking system, where the home automation system provides a short-range, high-speed wireless connection that is contained within the safe boundaries of a home. Briefly described, the home automation system employs one or more home automation devices to control various home devices within the home based on detection of one or more users' social profile, where each home automation device is configured to broadcast and communicate via a short-range, multi-gigabit-per-second (MGbps) wireless communication link that can be utilized by the various home devices. Furthermore, each home automation device is configured to be self-tuning, thereby enabling automatic efficient management of the MGbps wireless communication link. |
| US09490995B1 |
Simulation system for network devices in a network
A computing device is configured to receive information for setting up a simulation of a device. The computing device is further configured to request one or more modules corresponding to one or more features associated with the simulation. The computing device is further configured to receive the one or more modules. The computing device is further configured to perform the simulation using the one or more modules and the different modules. The computing device is further configured to determine that the simulation requires debugging based on a result of the simulation. The computing device is configured to further debug the simulation based on determining that the simulation requires debugging, and provide the result of the simulation including information associated with the debugging of the simulation. |
| US09490986B2 |
Authenticating a node in a communication network
A method and apparatus for authenticating a first node's identity in a communication network. An authentication node receives from a second node an authentication request. The authentication request includes a first certificate that has previously been presented to the second node by a node purporting to be the first node. The authentication node retrieves a second certificate belonging to the first node from the first node, and compares the first certificate with the second certificate. If the certificates match, then the first node's identity can be authenticated but if the certificates do not match, then the first node's identity cannot be authenticated. The results of the comparison are then sent to the second node for use by the second node to authenticate the first node. |
| US09490981B2 |
Antialiasing for picture passwords and other touch displays
Antialiasing for picture passwords and other touch displays is disclosed. In some embodiments a client device for authenticating a user is operable to obtain a sequence of input actions for an image and obtain a partial hash from a Proof of Knowledge (PoK) server where the partial hash is part of a hash used for authentication of the user. The client device is also operable to calculate a hash for the sequence and determine if a part of the hash matches the partial hash. If the part of the hash matches the partial hash, the client device sends a communication to the PoK server to authenticate the user based on the hash for the sequence of the one or more input actions and obtain a response indicating whether the user is authenticated. In this way, sending some hashes to the proof of knowledge server may not be necessary, saving resources. |
| US09490979B2 |
System and method for providing credentials
A method and system is operable to provide credentials by generating a first credential that conforms to a first specified format. A second credential conforming to a second specified format is included in the first credential so that the second credential may be distributed through the cryptosystem using the first specified format. The credential may be a digital certificate. |
| US09490977B2 |
Method and apparatus for enabling physical layer secret key generation
A method and apparatus for generating physical layer security keys is provided. Channel impulse response (CIR) measurements are recorded. Each CIR measurement is associated with a time-stamp. Where possible, the time-stamps are paired with time-stamps that are associated with another plurality of CIR measurements. The CIR data associated with the paired time-stamps is aggregated. Each of the aggregated CIR measurements is aligned, and at least one CIR measurement is selected for use in secret key generation. |
| US09490976B2 |
Systems and methods for providing recommendations to obfuscate an entity context
Systems and methods for providing recommendations to obfuscate an entity context in a sensory environment are described. In one implementation, the method comprises receiving entity data and sensory environment data from a plurality of sources. Further, the method comprises analyzing the entity data to obtain categorized entity data. The categorized entity data comprises a plurality of features indicating characteristics of the entity context. Further, the method comprises analyzing the sensory environment data to obtain categorized sensory environment data. Further, the method comprises determining a correlation score for each of the plurality of features by correlating the categorized entity data and the categorized sensory environment data. Further, the method comprises recommending at least one of the plurality of features, based on the correlation score, to obfuscate the entity context in the sensory environment. |
| US09490974B2 |
Identity-based decryption
Devices and methods are provided for managing identity-based decryption of digital content. A message sender (“Alice”) uses a random key (Krand) to encrypt message content for a message recipient (“Bob”). Then Alice uses the public key of a message decryption service provider (“Carmen”) to generate a wrapped key ciphertext comprising the Krand and authentication information associated with Bob. Alice then sends a message text containing the encrypted message content and the wrapped key ciphertext to Bob, who in turn sends the wrapped key ciphertext to Carmen along with his authentication information. Carmen then uses her private key to process the wrapped key ciphertext to decrypt the Krand and Bob's authentication information. If the authentication information provided by Bob matches the decrypted authentication information, then Carmen sends the decrypted Krand to Bob, who uses it to decrypt the encrypted message content. |
| US09490972B2 |
Method and apparatus for providing conditional access based on channel characteristics
A first network device may discover one or more values of one or more parameters corresponding to a plurality of links and/or devices of the network. The first network device may compare the discovered one or more values of the one or more parameters to an expected one or more values of the one or more parameters. The first network device may determine whether to transmit data onto a network path between the first device and one of the plurality of devices based on a result of the comparison, wherein at least one of the plurality of links and/or devices are not part of the network path. The first network device may be operable to utilize the discovered parameter values to generate a security key which may be utilized to encrypt and/or scramble content prior to transmitting the content onto the network. |
| US09490962B2 |
Phase relationship control for control channel of a multimedia communication link
A multimedia system for data communications. A source device communicates over a full duplex control channel of a multimedia communication link using time domain multiplexed (TDM) frames having n time slots per frame. The source device allocates a first time slot position to a virtual channel for data transmission by the source device over the full duplex control channel. A sink device communicates over the full duplex control channel of the multimedia communication link. The sink device allocates a second time slot position to the virtual channel for data transmission by the sink device over the full duplex control channel. A timing of the second time slot position is offset from a timing of the first time slot position by substantially n/2 time slots. |
| US09490961B2 |
Method of signaling control information in wireless communication system with multiple frequency blocks
A method of receiving a downlink signal by a user equipment in a wireless communication system; the user equipment therefore; a method of transmitting a downlink signal by a base station in a wireless communication system; and the base station therefore are discussed. The method of receiving a downlink signal by a user equipment in a wireless communication system according to one embodiment includes receiving downlink scheduling information, the downlink scheduling information including a frequency block indicator and resource allocation information for one or more transport blocks (TBs); and receiving the downlink signal including the one or more TBs via a first frequency block among multiple frequency blocks. The first frequency block is indicated by the frequency block indicator among the multiple frequency blocks. Each of the multiple frequency blocks does not overlap with other multiple frequency blocks, and has a respective hybrid automatic repeat request (HARQ) process. |
| US09490958B2 |
Allocating resources within a communication system
The present invention is related to a method for allocating resources in a communications system. The method comprises receiving a matrix of priorities assigned to a plurality of services at a plurality of user levels; and allocating resources to a bearer for a station of the communication system based at least in part upon the priority assigned to a service provided over the bearer at the user level associated with a subscriber. |
| US09490955B2 |
Method and apparatus for allocating a control channel resource of a relay node in a backhaul subframe
A method and apparatus for configuring a control channel between a first transceiver and a second transceiver in a communication system are provided. The method includes generating, by the first transceiver, a signaling message including information for the control channel; transmitting, by the first transceiver, the signaling message including information for the control channel to the second transceiver; generating, by the first transceiver, the control channel based on the information for the control channel; and transmitting, by the first transceiver, the generated control channel to the second transceiver, wherein the information for the control channel includes resource allocation information, and information related to whether interleaving applied and a type of reference signal. |
| US09490951B2 |
Method and device for setting a control channel and a data channel in a wireless communication system
The present invention relates to a method for configuring a starting position of a control channel in a wireless communication system, and a terminal using the same. The method includes receiving duration information about a physical downlink control channel from the first orthogonal frequency division multiplexing (OFDM) symbol of a downlink subframe; and configuring a first OFDM symbol after OFDM symbols indicated by the duration information, as a starting point of an enhanced-physical downlink control channel. The downlink subframe includes a plurality of subcarriers in a frequency domain and 12 or 14 OFDM symbols in a time domain. The PDCCH includes the first N (N is a natural number of from 1 to 4) number of OFDM symbols of the downlink subframe. The duration information indicates the N number of OFDM symbols. The E-PDCCH comprises the starting point to the last OFDM symbol of the downlink subframe. |
| US09490950B2 |
Method for transmitting reference signal for terminal demodulation in radio mobile communication system, and apparatus for implementing the same
The present invention relates to a method for transmitting a data demodulation reference signal in a radio mobile communication system. The method comprises: a step for generating a sub-frame including the data demodulation reference signal, and a step for transmitting the generated sub-frame. The 1st and 2nd demodulation reference signal pattern groups include plural demodulation signal patterns orthogonal to each other, and are differentiated from each other with regard to time-frequency resources. In the data demodulation reference signal, demodulation reference signal patterns which are respectively orthogonal to each other M (M≦N) and N−M times are respectively included in the 1st and 2nd demodulation reference signal pattern groups if the rank is N. |
| US09490943B2 |
Method for receiving or transmitting downlink signal and apparatus for same
The method for receiving a downlink signal in a wireless communication system, according to one embodiment of the present invention, comprises: receiving, from a base station, a candidate seed list and downlink control information for the generation of a sequence of a downlink demodulation reference signal, wherein a seed value is selected from the candidate seed list on the basis of seed value indicating information contained in the downlink control information and the sequence of the downlink demodulation reference signal is generated by using the selected seed value. The candidate seed list may include a plurality of hybrid automatic repeat request (HARQ) process identifiers and virtual cell identifiers related to the plurality of HARQ process identifiers. |
| US09490937B2 |
Broadcasting signal transmitting apparatus, broadcast signal receiving apparatus, and broadcast signal transceiving method in a broadcast signal transceiving apparatus
Disclosed is a broadcast signal transmitting apparatus, a broadcast signal receiving apparatus, and a broadcast signal transceiving method in a broadcast signal transceiving apparatus. The broadcast signal transmitting method comprises the following steps: compressing the headers of data packets of an IP stream identified by IP address information, wherein the compressed data packets include a first packet, the header of which contains static field information, a second packet, the header of which contains dynamic field information, and a third packet, the header of which contains the compressed static field information and/or the compressed dynamic field information; signaling IP-PLP mapping information for mapping the IP stream and a component PLP for transmitting the IP stream, the IP stream compression information, and the header information of the first packet to L2 signaling information; and transmitting the header information of the second and third packets via the component PLP, and transmitting the L2 signaling information via a common PLP. |
| US09490936B2 |
Digital broadcast system for transmitting/receiving digital broadcast data, and data processing method for use in the same
The present invention is directed to a digital broadcast system and a data processing method. A broadcast signal in which mobile service data and main service data are multiplexed is transmitted and received. Then, in a broadcasting receiver, the program table information including information about a service or a program of an ensemble is parsed according to an identifier of the ensemble in which the mobile service data are multiplexed, in the received broadcast signal. And a mobile service is outputted by using the mobile service data and the parsed program table information. |
| US09490927B2 |
Changing the spectral position of a lightpath
A method of changing the spectral position of a lightpath between a source node and a destination node of an optical network. The optical network uses a flexible grid for spectral allocation and the lightpath has been allocated first spectral resources at a first spectral position. The method comprises, at the source node, reserving additional spectral resources for the lightpath which are contiguous in frequency with the first spectral resources. The method comprises re-tuning a light source at the source node such that the lightpath moves in frequency from using the first spectral resources at the first spectral position to using second spectral resources at a second spectral position, wherein the second spectral resources comprise at least some of the additional spectral resources. The method comprises releasing at least some of the first spectral resources. The source node continues to send traffic over the lightpath during the re-tuning. |
| US09490922B2 |
Wireless communication device and wireless communication method
The transmission of a reference signal, such as a CSI-RS, is enabled while maintaining a power saving effect when performing inter-cell cooperative transmission/reception or the like in a plurality of cells. In order to realize inter-cell cooperative transmission/reception, a CSI-RS which is used for estimating the state of a spatial propagation path of a communication line is generated by a CSI-RS generation unit, and the CSI-RS is disposed in a predetermined subframe by a disposition unit and transmitted. At this time, when a frame has ten subframes #0 to #9, the CSI-RS is disposed in the subframes #4 and #9, which are subframes excluding the subframes #0 and #5 incapable of transmitting a CSI-RS and are subframes other than subframes capable of acting as MBSFN subframes when discontinuous communication (Extended Cell DTX) is performed so as to achieve power saving, and transmitted. |
| US09490919B1 |
Method and apparatus for priority based coexistence arbitration
A coexistence system including a first transceiver module, an interface, a second transceiver module, and an arbitration module. The first transceiver module, in a first network device, is configured to generate at least one first request signal. The first transceiver module operates according to a first wireless communication standard. The at least one first request signal requests transmission or reception for the first transceiver module. The interface is configured to generate a first priority signal based on the at least one first request signal. The first priority signal indicates a first priority level of first data signals corresponding to the at least one first request signal. The second transceiver module, in the first network device, is configured to (i) generate at least one second request signal, and (ii) generate a second priority signal. The second transceiver module operates according to a second wireless communication standard. The at least one second request signal requests transmission or reception for the first transceiver module. The second priority signal indicates a second priority level of second data signals corresponding to the at least one second request signal. The arbitration module is configured to (i) based on the first priority level and the second priority level, arbitrate the at least one first request signal and the at least one second request signal, and (ii) based on the arbitration of the at least one first request signal and the at least one second request signal, selectively connect antennas to the first transceiver module and the second transceiver module in one of multiple configurations. |
| US09490913B2 |
Providing digital data services as electrical signals and radio-frequency (RF) communications over optical fiber in distributed communications systems, and related components and methods
Distributed communications systems providing and supporting radio frequency (RF) communication services and digital data services, and related components and methods are disclosed. The RF communication services can be distributed over optical fiber to client devices, such as remote units for example. Power can also be distributed over electrical medium that is provided to distribute digital data services, if desired, to provide power to remote communications devices and/or client devices coupled to the remote communications devices for operation. In this manner, as an example, the same electrical medium used to transport digital data signals in the distributed antenna system can also be employed to provide power to the remote communications devices and/or client devices coupled to the remote communications devices. Power may be injected and switched from two or more power sources over selected electrical medium to distribute power for power-consuming components supporting RF communications services and digital data services. |
| US09490911B2 |
High-bandwidth underwater data communication system
An apparatus is described which uses directly modulated InGaN Light-Emitting Diodes (LEDs) or InGaN lasers as the transmitters for an underwater data-communication device. The receiver uses automatic gain control to facilitate performance of the apparatus over a wide-range of distances and water turbidities. |
| US09490910B2 |
High-bandwidth underwater data communication system
An apparatus is described which uses directly modulated InGaN Light-Emitting Diodes (LEDs) or InGaN lasers as the transmitters for an underwater data-communication device. The receiver uses automatic gain control to facilitate performance of the apparatus over a wide-range of distances and water turbidities. |
| US09490909B2 |
Method and system for estimating the noise of a two-photon entangled state
A method for estimating the noise of a two-photon entangled state, including generating pairs of photons; for each pair of photons, defining a first polarization measurement, associated with a first angle, and defining a second polarization measurement, associated with a second angle. The method includes generating a first string of polarization measurements and a first string of angles; generating a second string of polarization measurements and a second string of angles; generating a first uncorrelated substring, formed by the polarization measurements of the first string associated with angles that are different from the corresponding angles of the second string of angles; generating a second uncorrelated substring, formed by the polarization measurements of the second string associated with angles that are different from the corresponding angles of the first string of angles; and determining an estimate of the noise on the basis of the first and the second uncorrelated substrings. |
| US09490899B1 |
Optical tunable-based transmitter for multiple radio frequency bands
An optical tunable transmitter is used to transmit multiple radio frequency bands on a single beam. More specifically, a tunable laser is configured to generate a plurality of optical wavelengths, and an optical tunable transmitter is configured to modulate each of the plurality of optical wavelengths with a corresponding radio frequency band. The optical tunable transmitter is also configured to encode each of the plurality of modulated optical wavelengths onto a single laser beam for transmission of a plurality of radio frequency bands using the single laser beam. |
| US09490898B2 |
Communication system, master station device, slave station device, control unit, and communication control method
A communication system in which a master station device is connected to a plurality of slave station devices by an optical transmission line and a plurality of wavelengths are used to perform at least one of downstream communication and upstream communication. The master station device includes: a control unit that assigns a wavelength to be used in communication to the slave station device, and that generates a control signal for notifying the slave station device of the assigned wavelength; and an optical transmitter that transmits the control signal generated by the control unit to the slave station device. The slave station device includes an optical receiver and an optical transmitter that carry out communication with the master station device using the wavelength based on the control signal received from the master station device. |
| US09490896B2 |
Optical transceiver, optical transmission system, and light source output monitoring method
An optical transceiver includes: a light source; a light source power management unit configured to manage a state of an output power of the light source; an optical detector configured to receive a first optical signal from a counterpart optical transmission apparatus and detect the first optical signal; and a monitoring information extraction unit configured to extract a monitoring information of a reception power level of a second optical signal, which is generated from an output light of the light source and received in the counterpart optical transmission apparatus, from the first optical signal, wherein the light source power management unit is configured to update a written value of the state of the output power of the light source in a case where a monitored value of the reception power level included in the monitoring information is decreased to exceed a variation of an optical transmission path. |
| US09490895B2 |
Ultrafast high resolution optical channel monitor
Described herein is an optical channel monitor (1) including a protective housing (3), an input port (5) disposed in the housing (3) and configured for receiving at least one input optical signal (7) including one or more optical channels separated by wavelength. A wavelength configurable laser (9) is located within the housing (3) and is configured to provide an optical reference signal (11) at a first wavelength (λr). The laser (9) is adapted to scan across a range of wavelengths covering the one or more optical channels. An optical mixing module (13) is coupled to the input port (5) and the laser (9) for mixing the input optical signal (7) with the optical reference signal (11) to produce a mixed output signal. A receiver module (15) is configured to receive the mixed output signal and extract signal information indicative of at least the optical power of the at least one input optical signal at the first wavelength (λr). |
| US09490894B2 |
Coherent probe and optical service channel systems and methods for optical networks
The present disclosure provides dynamic performance monitoring systems and methods for optical networks to ascertain optical network health in a flexible and accurate manner. The present invention introduces accurate estimations for optical channel performance characteristics based either on existing channels or with a dynamic optical probe configured to measure characteristics on unequipped wavelengths. Advantageously, the dynamic performance monitoring systems and methods introduce the ability to determine physical layer viability in addition to logical layer viability. |
| US09490893B2 |
Interference suppression in a satellite communication system using onboard beamforming and ground-based processing
A satellite is configured to communicate with a ground base station to provide coverage for communication in a first geographic region, and suppress from the communication, interference from a second geographic region. The satellite includes an onboard beamformer (OBBF), feed array and feeder-link antenna. The OBBF is configured to produce first and second spot beams for respective ones of the first and second geographic regions. The feed array is configured to receive first and second signals in respective ones of the first and second spot beams for respective geographic regions. At least portions of the first and second signals carry respective ones of the communication and the interference. The feeder-link antenna, then, is configured to transmit the first signals and second signals to the ground base station that is configured to suppress any of the interference from at least the portion of the first signals carrying the communication. |
| US09490889B2 |
Antenna diversity and beamforming coexistence method and machine readable media
An antenna diversity and beamforming coexistence method applied to a wireless communication device which supports both a transmitter/receiver (TX/RX) antenna diversity mechanism and a beamformer/beamformee mechanism includes the following steps: determining whether a plurality of wireless link partners linked to the wireless communication device respectively support the beamformer/beamformee mechanism and generating a determination result accordingly; and determining whether to enable/disable the TX/RX antenna diversity mechanism of the wireless communication device and to enable/disable the beamformer/beamformee mechanism of the wireless communication device according to the determination result; wherein when the beamformee mechanism is determined to be disabled, controlling the wireless communication device to transmit a default value in response to a received beamforming protocol packet. |
| US09490887B2 |
Communication device and method providing beamforming for two or more transmission channels
A control unit of a communication device provides multicast precoding information from at least first beamforming information descriptive for a first transmission channel and second beamforming information descriptive for a second transmission channel. A precoder unit beamforms at least one signal using the multicast precoding information to obtain at least two precoded signals. A transmitter circuit which is electrically coupled to the precoder unit multicasts transmission signals through the at least first and a second transmission channels, wherein the transmission signals are derived from the precoded signals. |
| US09490886B2 |
RF beamforming in phased array application
Exemplary embodiments are directed to a beamforming device. A device may include at least one receive path; and an amplifier coupled to an output of each receive path. The device configured to process each a signal from each receive path in at least one of a voltage domain and a current domain. |
| US09490882B1 |
Composite sounding for MIMO beamforming in a wireless home network
A wireless access point including: a sounding mode module, a sounding matrix generator, a sounding aggregator, and a beamforming expansion module. The sounding mode module determines whether a number of communication streams supported by the WAP matches the number of streams contained in a sounding response from a station, and initiates a composite set of an integer “N” soundings when those capabilities do not match. The sounding matrix generator generates “N” linearly independent spatial mapping matrices each associated with a corresponding one of the set of composite soundings. The sounding aggregator aggregates a plurality of partial beamforming matrices received from the targeted station node in response to the composite soundings. The beamforming expansion module expands the aggregated beamforming matrices into a full beamforming matrix for spatially mapping downlink communications between the WAP and the targeted station node. |
| US09490881B2 |
Envelope tracking system for MIMO
There is disclosed an amplifier arrangement comprising a plurality of amplifiers each arranged to amplify one of a plurality of different input signals, the arrangement comprising an envelope tracking modulator for generating a common power supply voltage for the power amplifiers, and further comprising an envelope selector adapted to receive a plurality of signals representing the envelopes of the plurality of input signals, and adapted to generate an output envelope signal representing the one of the plurality of envelopes having the highest level at a particular time instant as the input signal for the envelope tracking modulator. |
| US09490877B2 |
Communication device
A communication device may establish at least one type of connection among a first type of connection and a second type of connection which are according to a particular protocol defined in an NFC standard based on a current state of the communication device and a current state of an external device. The first type of connection may be a connection in which the communication device operates as a server and the external device operates as a client. The second type of connection may be a connection in which the communication device operates as a client and the external device operates as a server. The communication device may communicate the target data with the external device by using the established connection. The contents of the communication may be different in response to which type of connection is established. |
| US09490875B2 |
Techniques for filtering multi-component signals
Techniques are described herein for filtering and/or otherwise isolating or extracting components of multi-component signals. More specifically, embodiments of the present disclosure describe techniques for filtering and/or otherwise extracting a continuous wave component (or wireless power component) and a modulated data component from a multi-component signal. In some embodiments, the techniques describe systems, apparatuses and methods for filtering and/or otherwise isolating or extracting a frequency (e.g., modulated data component) from a continuous wave (e.g., wireless power component) without affecting the levels of other frequencies. The individual components or signals can be transmitted by one or more sources and received at one or more existing antennas of an electronic device simultaneously. |
| US09490873B2 |
Methods and apparatus for underwater electrical near-field signal system
Methods and apparatus for a near-field signal system to generate signals underwater for navigation and/or communication. In one embodiment, a system includes a signal processing module coupled to a first antenna to transmit near-field signals underwater and a second antenna to receive near-field signals underwater transmitted by the first antenna. In one embodiment, a wetsuit includes an integrated near-field signal system. |
| US09490872B2 |
Reduced memory vectored DSL
A reduced-memory vectored DSL system reduces the bandwidth and memory storage demands on a vectored DSL system in which FEXT data is transmitted and stored. When test signal data, such as training and/or tracking data, is sent to determine FEXT characteristics of the DSL system, error signals are available for all or substantially all of the upstream and/or downstream frequency band DSL tones used in the system. Dividing a frequency band into sub-bands, only a subset of tones in each sub-band is used for deriving FEXT data. For tones in the sub-band subsets, full-precision FEXT data values can be derived. For other tones, approximations of the FEXT data can be derived. Memory is reduced in both the transmission of such FEXT data (between upstream and downstream ends) and within an upstream-end device such as a DSLAM that performs vectoring using a separate or internal vectoring processing apparatus. |
| US09490869B1 |
Transmission medium having multiple cores and methods for use therewith
Aspects of the subject disclosure may include, for example, a transmission medium for propagating electromagnetic waves. The transmission medium can include a plurality of cores for selectively guiding an electromagnetic wave of a plurality of electromagnetic waves longitudinally along each core, and a shell surrounding at least a portion of each core for reducing exposure of the electromagnetic wave of each core. Other embodiments are disclosed. |
| US09490867B2 |
CDMA communications device and related methods
A code division multiple access (CDMA) communications device includes a CDMA receiver to isolate a CDMA signal, and a processor to generate a quantized sample representation of the CDMA signal. The processor performs a hard correlation between the quantized sample representation of the CDMA signal and a quantized representation of a reference to generate a coarse time alignment. Based upon the coarse time alignment, the processor performs a soft correlation between actual values of the CDMA signal and the reference. |
| US09490864B2 |
Coordinated signal reception across integrated circuit boundaries
A wireless electronic device having first and second baseband processors is provided. In one suitable arrangement, radio-frequency power splitters and adjustable low noise amplifiers may be form in the receive paths. The use of power splitters allow signals associated with the first and second baseband processors to be received in parallel. In another suitable arrangement, radio-frequency switches are used in place of the power splitters. The states of the switches may be controlled using at least one of the first and second baseband processors. The use of switches instead of power splitters requires that wake periods associated with the first baseband processor and wake periods associated with the second baseband processor are non-overlapping. To ensure minimal wake period collision, a wake period associated with the second baseband processor may be positioned at a midpoint between two successive wake periods associated with the first baseband processor. |
| US09490859B2 |
Dual holding case for computing devices
A dual holding case for mobile computing devices comprising: an outer portion having a long axis along substantially the center of the outer portion; a divider that runs longitudinally along the long axis of the outer portion to provide a left side and a right side, wherein the left side has at least one left side opening and at least one left side attachment means and the right side has at least one right side opening and at least one right side attachment means. |
| US09490853B2 |
Data transmitter
A data transmitter may include a transmitter circuit and a calibration controller. The transmitter circuit is configured to be coupled to a receiver through a channel, and configured to provide an output signal to the channel based on an input signal and adjust an output impedance value according to a bias signal. The calibration controller is configured to adjust the bias signal by comparing the output signal of the transmitter circuit to a reference signal during a calibration operation. |
| US09490852B2 |
Multiple input and multiple output switch network
According to an embodiment, a circuit package includes a programmable switch component having a plurality of input terminals arranged on the programmable switch component, a plurality of output terminals arranged on the programmable switch component and configured to be coupled to a plurality of amplifiers, and a plurality of switches. Each switch of the plurality of switches is coupled between an input terminal of the plurality of input terminals and an output terminal of the plurality of output terminals. Each switch of the plurality of switches includes a radio frequency (RF) switch and is configured to pass an RF signal when closed. Each input terminal of the plurality of input terminals is coupled to two switches of the plurality of switches. |
| US09490845B2 |
Code design and high-throughput decoder architecture for layered decoding of a low-density parity-check code
A low-density parity-check (LDPC) decoder may receive LDPC coded data. The LDPC decoder may perform a decoding iteration associated with decoding the LDPC coded data. The decoding iteration may be performed by processing a group of layers. Each layer may include a corresponding set of check node elements, and may be processed by causing each check node element, of the set of check node elements corresponding to the layer, to update a set of variable node elements, connected to the check node element and associated with the LDPC coded data, based on a check node function associated with the check node element. The decoding iteration may be performed such that each layer is processed in parallel, and such that each check node element updates the corresponding set of variable node elements in parallel. The LDPC decoder may provide a result of performing the decoding iteration. |
| US09490844B1 |
Syndrome computation in a layered low density parity check decoder
Apparatuses and methods associated with instant syndrome computation in a layered LDPC decoder are described. In one embodiment an apparatus includes a first hardware layer configured to compute a first group of syndrome values from one or more bit values in the codeword and a second hardware layer configured to compute a second group of syndrome values from one or more bit values in the codeword. The apparatus also includes a first physical memory associated with the first hardware layer and configured to store the first group of syndrome values until the syndrome values change due to a change in a codeword bit value. The apparatus also includes a second physical memory associated with the second hardware layer and configured to store the second group of syndrome values until the syndrome values change due to a change in a codeword bit value. |
| US09490842B2 |
Continuous automatic key control
Architecture for enabling continuous operation of a control command issued by a control input (e.g., a control key on a computer keyboard or game controller). For example, for a user of a software application (e.g., a gaming application), an activation modifier is used for enabling continuous operation of the control command. The activation modifier can be a lock key or other type of input used in combination with the control key. During continuous operation of the control command, one or more alternate control inputs (e.g., from alternate control keys) are enabled to concurrently issue alternate control commands to the software application. |
| US09490838B2 |
Method and arrangement for coding transform coefficients in picture and/or video coders and decoders and a corresponding computer program and a corresponding computer-readable storage medium
The present invention describes a method and an arrangement for coding transform coefficients in picture and/or video coders and decoders and a corresponding computer program and a corresponding computer-readable storage medium, which can particularly be employed as a novel efficient method for binary-arithmetic coding transform coefficients in the field of video coding.For this, it is suggested that, for blocks of (video) pictures containing significant transform coefficients, coding of the transform coefficients takes place in such a way that, for each block in a scan process, the positions of significant transform coefficients in the block and subsequently, in a reverse scan order—starting from the last significant transform coefficient within the block—the values (levels) of the significant transform coefficients are determined and coded. |
| US09490834B2 |
Digital-to-analog converter circuit, an apparatus for providing a radio frequency transmit signal and a method of digital-to-analog conversion
A digital-to-analog converter circuit including a plurality of digital-to-analog converter cells is provided. A first digital-to-analog converter cell of the plurality of digital-to-analog converter cells includes a cell control module configured to provide alternatingly a first voltage and a second voltage to a first electrode of a capacitive element of the first digital-to-analog converter cell based on a digital input signal during a predefined time interval. A second digital-to-analog converter cell of the plurality of digital-to-analog converter cells includes a cell control module configured to provide a third voltage to a first electrode of a capacitive element of the second digital-to-analog converter cell during the predefined time interval. The first voltage is higher than an upper threshold voltage corresponding to a first digital threshold level of the digital input signal and the second voltage is lower than a lower threshold voltage corresponding to a second digital threshold level of the digital input signal. The third voltage is constantly between the upper threshold voltage and the lower threshold voltage. |
| US09490828B1 |
Integrated circuits having multiple digitally-controlled oscillators (DCOs) therein that are slaved to the same loop filter
A phase-locked loop (PLL) integrated circuit includes multiple digitally-controlled oscillators (DCOs), which are slaved to the same feedback loop filter. This PLL includes a frequency control circuit, which is configured to generate a control signal and is responsive to a first periodic reference signal (e.g., REFCLK). The plurality of DCOs include a corresponding plurality of independently-programmable fractional dividers, which are configured to generate a respective plurality of periodic PLL output signals of different frequency in response to a second periodic reference signal (e.g., SYSCLK). The plurality of DCOs include corresponding scaling circuits, which are each responsive to the control signal. The plurality of scaling circuits are configured to scale the control signal to different degrees to thereby make effective gains of the DCOs more nearly equal. |
| US09490824B1 |
Phase-locked loop with frequency bounding circuit
A phase-locked loop (PLL) for generating an oscillating signal includes a frequency bounding circuit. When a frequency of the oscillating signal is greater than a first threshold value, which is greater than a maximum normal operational frequency of the PLL, the frequency bounding circuit forces a charge pump to discharge a loop filter until the oscillating signal frequency is less than a second threshold value that is within the normal operational frequency range of the PLL. When the frequency of the oscillating signal is less than a third threshold value, which is less than a minimum normal operational frequency of the PLL, the frequency bounding circuit forces the charge pump to charge the loop filter until the oscillating signal frequency is greater than a fourth threshold value that is within the normal operational frequency range of the PLL. |
| US09490816B2 |
Parameter control method for integrated circuit and integrated circuit using the same
A parameter control method for an integrated circuit and an integrated circuit using the same are provided. The method includes the steps of: providing a correspondence between 1st to Nth impedance groups and 1st to Nth first settings, wherein each impedance group includes K sub impedances; providing a correspondence between 1st to Kth sub-impedance and 1st to Kth second settings; detecting an impedance from a specific pin of the integrated circuit; comparing an impedance detected from the specific pin of the integrated circuit with the 1st to Nth impedance sets to find a corresponding specific impedance set to select a specific first setting; comparing the impedance detected from the specific pin of the integrated circuit with the 1st to Kth sub-impedance of the specific impedance set to select a specific second setting; and operating the integrated circuit according to the specific first setting and the specific second setting. |
| US09490815B2 |
Robust, low power, reconfigurable threshold logic array
A field programmable threshold-logic array (FPTLA) includes a number of threshold logic gates and a number of programmable interconnect elements. Each one of the programmable interconnect elements are connected between two or more of the threshold logic gates, such that the programmable interconnect elements route signals between the threshold logic gates. By using threshold logic gates for the FPTLA, the size of the FPTLA may be significantly smaller than conventional solutions. Further, using threshold logic gates results in significant improvements in the computation speed of the FPTLA when compared to conventional solutions. |
| US09490814B2 |
Configurable IC having a routing fabric with storage elements
Some embodiments provide a configurable IC that includes a configurable routing fabric with storage elements. In some embodiments, the routing fabric provides a communication pathway that routes signals to and from source and destination components. The routing fabric of some embodiments provides the ability to selectively store the signals passing through the routing fabric within the storage elements of the routing fabric. In this manner, a source or destination component continually performs operations (e.g., computational or routing) irrespective of whether a previous signal from or to such a component is stored within the routing fabric. The source and destination components include configurable logic circuits, configurable interconnect circuits, and various other circuits that receive or distribute signals throughout the configurable IC. |
| US09490808B2 |
Sensing circuit
A sensing circuit includes a delay chain and a decoder. The delay chain includes at least one delay unit, at least one cascading switch, and at least one feedback switch. The delay unit generates a delay signal according to an input signal and a reset signal. The cascading switch selectively passes the delay signal according to a control signal. The feedback switch selectively forms a feedback path of the delay unit according to the control signal. The decoder generates an output signal according to the delay signal. The delay unit is supplied by a work voltage. If the work voltage has noise, the noise will be detectable by analyzing the output signal of the decoder. |
| US09490803B2 |
User interface panel
A user interface panel includes a touch sensor having one or more sensing electrodes and a user interface substrate disposed on a circuit carrier substrate. The user interface substrate includes a touch surface comprising a conductive material. A gap separates a portion of the conductive material overlying one of the sensing electrodes from surrounding portions of the conductive material. |
| US09490798B1 |
Gate drive control system for SiC and IGBT power devices
A gate-drive controller for a power semiconductor device includes a master control unit (MCU) and a comparator that compares output signal of the power semiconductor device to a reference value generated by the MCU. The MCU, in response to a turn-off trigger signal, generate a first intermediate drive signal for the power semiconductor device and generates a second intermediate drive signal, different from the first drive signal, when a DSAT signal indicates that the power semiconductor device is experiencing de-saturation. The MCU generates a final drive signal for the power semiconductor when the output signal of the comparator indicates that the output signal of the power semiconductor device has changed relative to the reference value. |
| US09490796B2 |
Power-on-reset and supply brown out detection circuit with programmability
A low-power wideband Power-on-Reset (PoR) and supply brown out detection circuit is proposed, wherein a technique for accurately controlling the PoR trip points and hysteresis voltage is presented. The PoR circuit includes a CMOS circuit with asymmetric rise and fall delays for monitoring wideband supply voltage transients including supply brown out. Being a non-bandgap and non-comparator based circuit, it consumes a very small power and Si area. |
| US09490794B1 |
Dynamic shutdown protection circuit
Systems, circuits, and methods for operating an Insulated-Gate Bipolar Transistor (IGBT) are provided. A switching circuit is described that includes a first current path and a second current path. The first current path carries current away from the gate of the IGBT during a first phase of switching and the second current path carries current away from the gate of the IGBT during a second phase of switching. |
| US09490792B2 |
Pulse width modulation with effective high duty resolution
A pulse width modulation (PWM) signal generator generates a PWM signal having a specified effective PWM duty resolution for a corresponding cycle window. The PWM signal generator receives an N-bit value representing a duty to be implemented and sets values X and Y to the M least significant bits and the N-M most significant bits, respectively, of the N-bit value. The value M can be determined based on the value N and a maximum implementable frequency of a clock signal used to time the generation of each PWM cycle. The PWM signal generator generates a cycle window of 2M PWM cycles, each PWM cycle of the cycle window having a duty of either Y or Y+1. The number of PWM cycles in the cycle window having the duty Y+1 is based on the value X and the PWM cycles having a particular duty are contiguous within the cycle window. |
| US09490786B2 |
Driver circuit with gate clamp supporting stress testing
A generator circuit is coupled to apply a control signal to the gate terminal of a power transistor driving an output node. A reference voltage is generated having a first voltage value as the reference for the control signal and having a second, higher, voltage value for use in stress testing. A clamping circuit is provided between the reference voltage and the power transistor gate to function in two modes. In one mode, the clamping circuit applies a first clamp voltage to clamp the voltage at the gate of the power transistor when the generator circuit is applying the control signal. In another mode, the clamping circuit applies a second, higher, clamp voltage to clamp the gate of the power transistor during gate stress testing. |
| US09490779B2 |
Dynamic circuitry using pulse amplification to reduce metastability
Synchronisation circuitry 2 comprises a first dynamic circuit stage 4 generating a first stage state signal which is pulse amplified by pulse amplifying circuitry 8 to generate a pulse amplified signal. The pulse amplified signal is supplied to a second dynamic circuit stage 6 where it is used to control generation of a second stage state signal. The pulse amplifying circuitry 8 comprises a chain of serially connected skewed inverters 20, 22. The action of the pulse amplifying circuitry 8 is to reduce the probability of metastability in the output of the second dynamic stage 6. |
| US09490778B1 |
High-resolution oscillator having wide frequency range
In one embodiment, a voltage-controlled oscillator has a ring of delay stages and power-regulating circuitry regulating power to each delay stage. Each delay stage has at least one inverter having a leg having a current regulator that controls current flowing through the leg and thereby controlling gain of the delay stage. The VCO receives three control signals that affect the amount of delay applied by each delay stage and therefore the VCO output frequency: a first applied to control the power-regulating circuitry, a second applied to at least one transistor gate in the current regulator, and a third applied to at least one transistor body in the current regulator. The power-regulating circuitry has a parallel configuration of a power-regulating transistor, a first capacitor, and a switched-capacitor leg having a second capacitor and a switch for controlling settling time. The capacitors regulate the power supply without a dedicated, opamp-based voltage regulator. |
| US09490773B2 |
Vibrating element, electronic device, electronic apparatus, and moving object
A tuning fork-type vibrator element as a vibrating element includes a drive vibrating arm that performs a flexural vibration, and a drive electrode (a first drive electrode and a second drive electrode) provided on the drive vibrating arm. When a direction in which the drive vibrating arm extends is a Y-axis, a direction in which the drive vibrating arm performs a primary vibration is an X-axis, and a direction orthogonal to the Y-axis and the X-axis is a Z-axis, the drive vibrating arm performs the flexural vibration with a displacement ratio of greater than 0% and 20% or less where the displacement ratio is obtained by dividing a displacement amount in the Z-axis direction by a displacement amount in the X-axis direction. |
| US09490770B2 |
Acoustic resonator comprising temperature compensating layer and perimeter distributed bragg reflector
An acoustic resonator structure includes a bottom electrode disposed on a substrate, a piezoelectric layer disposed on the bottom electrode, a top electrode disposed on the piezoelectric layer, a cavity disposed beneath the bottom electrode, and a temperature compensating feature. The temperature compensating feature has a positive temperature coefficient for offsetting at least a portion of a negative temperature coefficient of the piezoelectric and electrode layers. The acoustic resonator structure further includes an acoustic reflector disposed over the substrate around a perimeter of the cavity. The acoustic reflector includes a layer of low acoustic impedance material stacked on a layer of high acoustic impedance material. |
| US09490769B1 |
Vertical differential resonator
A micromechanical device includes a substrate, a micromechanical structure supported by the substrate and configured for overtone resonant vibration relative to the substrate, and a plurality of electrodes supported by the substrate and spaced from the micromechanical structure by respective gaps. The plurality of electrodes include multiple drive electrodes configured relative to the micromechanical structure to excite the overtone resonant vibration with a differential excitation signal, or multiple sense electrodes configured relative to the micromechanical structure to generate a differential output from the overtone resonant vibration. |
| US09490768B2 |
High frequency band pass filter with coupled surface mount transition
A high frequency band pass filter with a coupled surface mount transition is provided, including a filter substrate, circuit connection elements defining input and an output elements provided on a surface of the filter substrate, electronic filter components provided on the first surface of the filter substrate, and impedance matching structures provided on the first surface of the filter substrate between the electronic filter components and the respective input and output elements. Signal connection structures are provided on an opposed surface of the filter substrate, in locations that positionally correspond to respective positions of the input and output elements. The respective signal connection elements are capacitively coupled, through a thickness direction of the filter substrate, to a respective one of the input and output elements on the opposed surface of the filter substrate without the presence of any vertical conductive structures within the filter substrate at the input and the output elements. |
| US09490764B2 |
Fast automatic gain control (AGC) for packet based systems
A method and apparatus for use in a packet based wireless communication system for reducing automatic gain control (AGC) convergence time at a receiver are described. A radio frequency (RF) signal is received. The RF signal includes a sequence of a plurality of pre-defined power levels at a beginning of a preamble of the RF signal. Statistics for each of the plurality of pre-defined power levels at the beginning of the preamble of the RF signal are computed. An appropriate gain for a variable gain amplifier (VGA) is then computed based on the computed statistics for each of the plurality of pre-defined power levels and a-priori information related to transmission power differences between the plurality of pre-defined power levels of the sequence. |
| US09490762B2 |
Operational transconductance amplifier with increased current sinking capability
Described herein is an electronic device. The electronic device includes a unity gain buffer having an input coupled to an input node to receive an input voltage and an output coupled to an output node. A current sink circuit operates in a sleep mode in an absence of a sink current flowing into the output node, and operates in a sinking mode to sink the sink current from the output node to a reference supply node when the sink current flows into the output node. |
| US09490759B2 |
Neutralization of parasitic capacitance using MOS device
An apparatus comprises an amplifier comprising at least one metal oxide semiconductor (MOS) transistor having a parasitic gate-to-drain capacitance, and at least one MOS neutralization device having a neutralization capacitance configured to compensate for the parasitic gate-to-drain capacitance of the at least one MOS transistor. |
| US09490758B2 |
Power amplifier
There is provided a power amplifier capable of readily reducing odd-order harmonic waves even in high frequencies. This power amplifier includes n current sources (where “n” is a natural number equal to or greater than 3) that cause predetermined currents to flow; n switches that open and close current paths of the n current sources, respectively; and a signal generating section that generates n timing signals for turning on/off the n switches, respectively. In the power amplifier, the n timing signals are signals that have an identical duty ratio and that are different in phase; and the power amplifier outputs a signal amplified in power based on the currents flowing through the n current sources. |
| US09490750B2 |
Systems and methods for performing demodulation and modulation on software defined radios
A system and method are provided for extracting and demodulating one or more channels in a radio signal. The method includes receiving a first radio signal using a radio frequency front end, translating a first band of frequencies of the first radio signal to a second band of frequencies to generate a second radio signal, digitizing the second radio signal to generate a digital signal, extracting one or more additional band of frequencies of the digital signal, each additional band of frequencies corresponding to a channel, and demodulating one or more channels to generate a respective demodulated signal. In another aspect, a system and method are provided for modulating and combining one or more channels into a radio signal. |
| US09490749B2 |
Frequency translation device and wireless communication system using the same
A frequency translation device includes a transmit circuit including a first frequency converter configured to convert a signal at a first frequency into a signal at a second frequency. A receive circuit includes a second frequency converter configured to convert a signal at the second frequency into a signal at the first frequency. A detector circuit is configured to determine when the frequency translation device is receiving a signal, and to route the signal to the transmit circuit or to the receive circuit. |
| US09490748B2 |
Receiving device
A receiving device includes a dividing circuit, N pieces of internal circuits, and an averaging circuit. The dividing circuit is configured to divide an input signal into N pieces of divided signals (where N is an integer of two or larger), and the N pieces of internal circuits are configured to receive and process the N pieces of divided signals. The averaging circuit is configured to receive N pieces of output signals from the N pieces of internal circuits, averaging the output signals, and output an averaged signal. |
| US09490746B1 |
Voltage-controlled oscillator and a method for tuning oscillations
A voltage-controlled oscillator and a method for tuning oscillations. The oscillator comprises a resonator input connected to an oscillator core and a frequency tuning network. The oscillator core and resonator input are isolated from the frequency tuning network by inductors. The method comprises generating oscillations, tuning the frequency of the oscillations by varying a capacitance, and isolating one or more of noise sources or parasitic capacitances from the tuning network. |
| US09490745B1 |
Voltage-controlled oscillator
A voltage-controlled oscillator comprises a tank circuit and first and second pairs of transistors. Each transistor comprises a gate, a drain, and a source. The drains of the first pair are coupled to the tank circuit and the gates of the first pair are cross-coupled with the drains of the first pair. The drains of the second pair are coupled to the tank circuit and the gates of the second pair are cross-coupled with the drains of the second pair. The oscillator includes a first resonant filter comprising a first terminal coupled to the sources of the first pair and a second resonant filter comprising a first terminal coupled to the sources of the second pair. A method includes adjusting capacitance in a resonant filter to cause the resonant filter to resonate based on a selected frequency. |
| US09490738B2 |
Sensorless motor drive vector control
Disclosed examples include methods, computer readable mediums and motor drive power conversion systems for sensorless speed control of a motor driven by an inverter through an intervening filter, a transformer and a motor cable, in which sensorless vector control is used to regulate the motor speed based on a speed feedback value computed according to voltage or current values associated with the motor drive using an observer having formulas and impedance parameters of the filter, the transformer, the motor cable and the motor. |
| US09490733B2 |
Method and system for controlling a permanent magnet synchronous motor
A method is disclosed for controlling a synchronous motor by determining a rotor position of the synchronous motor based on estimating a flux linkage. The method includes applying a voltage of a stator winding of the motor to a transfer function. The transfer function includes an S-domain integration operation and an error correction variable. An output of the transfer function is processed to compensate for the error correction variable introduced in the transfer function. An estimated flux linkage is generated and an angle of the rotor position is computed based on the flux linkage. The computed rotor position is input to a controller for controlling a position or speed of the motor. |
| US09490731B2 |
Fan motor driving apparatus and method, cooling system including the same, and electronic equipment
A motor driving apparatus comprises an H bridge circuit having outputs coupled with a motor coil of a single-phase motor, a hall comparator configured to generate a hall detection signal indicating a position of a rotor of the motor, an electric angle generator configured to generate a pulse signal indicating that the motor rotates by a predetermined electric angle, a current monitoring circuit configured to asserts a zero current detection signal upon detecting a reversed direction of a coil current; a transition trigger circuit configured to assert a transition pulse when a count value of the first counter matches an lead angle set value; a logic circuit configured to transition the H bridge circuit according to a predetermined sequence of states; and a lead angle controller configured to adjust the lead angle set value based on a timing of assertion of the zero current detection signal. |
| US09490730B2 |
Control circuit and method for controlling a multiphase motor
A circuit for controlling a multiphase SRM motor, comprising for each winding a low-side and a high-side transistor, and a low-side and a high-side diode for, and at least one current sensor, e.g. a single current sensor, arranged in low-side or high-side implementation for measuring a current through a first and second winding, and a controller adapted for configuring the transistors such that: during a first time slot only the first winding is energized while the second winding is freewheeling via a selected freewheeling path, during a second time slot only the second winding is energized while the first winding is freewheeling via a selected freewheeling path, and measuring the first and second current in said time slots. A method of driving said transistors. |
| US09490728B1 |
Magnetoelectric energy harvesting
An energy harvesting device for harvesting energy from a moving structure includes a housing allowing transmission of magnetic fields therethrough. A piezoelectric material capable of a phase transition and a magnetostrictive material capable of a structural change when subjected to a magnetic field are mechanically coupled to each other in the housing. An adjustable pre-stress means is positioned between the housing and the combination of the piezoelectric and magnetostrictive materials. Electrical contacts are positioned on the piezoelectric material. A magnet is mounted on the moving structure. The housing is mounted in sufficient proximity to the magnet for the magnetic field of the magnet to induce the structural change in the magnetostrictive material. |
| US09490726B2 |
Contactless power supply device
In order to obtain a contactless power supply device which, even when a spatial gap between a primary winding and a secondary winding varies, is capable of not only accurately detecting whether or not the primary winding and the secondary winding come into the position opposite to each other, but also detecting how large the spatial gap between the primary winding and the secondary winding is created, the contactless power supply device is provided with a drive voltage detection unit which detects the drive voltage of an inverter circuit, a drive current detection unit which detects the drive current of the inverter circuit, and a primary component extraction unit which, from the drive voltage and the drive current, extracts a primary drive voltage and a primary drive current including the first order frequency-components having the same frequency as a drive frequency of the inverter circuit. |
| US09490724B2 |
Methods for controlling electrical inverters and electrical inverters and systems using the same
A system for generating a duty cycle control signal for controlling an inverter power train providing an output current waveform to a grid operating with a grid voltage waveform compares a reference current waveform shaped to the grid voltage waveform with the output current waveform to generate an error signal. The error signal is used to generate a corrective control action signal, which is combined with a feed-forward signal representing a nominal duty cycle generated with a feed-forward function. The combination of the feed-forward signal and the corrective control action signal provide the duty cycle control signal. |
| US09490717B2 |
Switching power supply circuit
A switching power supply device includes: a main transformer; a main switch that is connected between a high potential terminal of an input direct current voltage source and a primary-side main winding; a synchronous rectifier circuit includes: a rectifying switch that is connected to a secondary-side main winding in series and that is turned ON in synchronization with a turning ON state of the main switch and a commutation switch that is connected to the rectifying switch series circuit in parallel and that is turned ON in synchronization with a turning OFF state of the main switch; and an auxiliary switch circuit that turns the commutation switch OFF. When the main switch stops a switching operation while a voltage exists at a first output terminal on a high potential side, the auxiliary switch circuit turns the commutation switch OFF to prevent continuation of self-excited oscillation. |
| US09490716B2 |
Isolated converter with initial rising edge PWM delay
A power converting device includes a transformer, a first switch coupled to a primary winding of the transformer, a PWM controller which generates a first PWM signal for controlling conduction and non-conduction of the first switch and which generates a control signal that leads the first PWM signal, a rectifier-filter circuit which rectifies an induced voltage generated by a secondary winding of the transformer, a second switch coupled to the secondary winding, and a synchronous rectifier controller which controls conduction and non-conduction of the second switch, and which controls, according to the control signal, the second switch to become non-conductive prior to conduction of the first switch. |
| US09490714B1 |
Switching power supply
A bypass switch is connected in parallel to an inductor of a power supply circuit for a control circuit connected to an auxiliary coil, and an output voltage detection circuit connected to the auxiliary coil detects a load state of the secondary side of a transformer. In a control circuit, an error amplifier and a capacitor generate a voltage (an error signal) corresponding to the load state from the difference between a voltage sampled from a signal detected by the output voltage detection circuit by a sample and hold circuit and a reference voltage. A comparator switches the switch OFF when the load is heavy and switches the switch ON when the load is light. This makes it possible to ignore the effect of the inductor when the load is light, and therefore only the heavy load state needs to be considered to keep the output voltage of the secondary side adjusted appropriately. |
| US09490713B2 |
Power supply
A DC/DC converter 10 of the present invention is provided with a constant-voltage power supply circuit 11; a SENSE+ terminal; a SENSE−/OCPSEL terminal pulled up to a predetermined voltage VL through a pull-up resistor R8; and a controller 14 for controlling the constant-voltage power supply circuit 11, wherein the controller 14 controls the output voltage Vout of the constant-voltage power supply circuit 11 on the basis of a potential difference between the SENSE+ terminal and the SENSE−/OCPSEL terminal, on the condition that the voltage of the SENSE−/OCPSEL terminal is lower than a threshold voltage, and sets predetermined control parameters on the basis of the voltage of the SENSE−/OCPSEL terminal, on the condition that the voltage of the SENSE−/OCPSEL terminal is equal to or higher than the threshold voltage. |
| US09490701B2 |
Techniques for reducing switching noise and improving transient response in voltage regulators
Methods and apparatus relating to reducing switching noise and improving transient response in voltage regulators are described. In an embodiment, one or more pulses are inserted into an output waveform of a voltage regulator. The one or more pulses introduce multiple frequencies into the output waveform of the voltage regulator (e.g., to reduce acoustic noise). In another embodiment, the output voltage of a voltage regulator is modified in response to comparison of the output voltage with at least one of a plurality of threshold values. The plurality of threshold values includes an upper trigger point voltage value and a lower trigger point voltage value. Other embodiments are also disclosed and claimed. |
| US09490700B2 |
Portable handheld strong authentication token having parallel-serial battery switching and voltage regulating circuit
An electronic power supply circuit for battery-powered hardware devices is disclosed which can be electronically switched to supply any of at least two predetermined voltages wherein the batteries are switched in parallel or in series depending on the desired voltage. Also disclosed is an electronic apparatus comprising the electronic power supply circuit, which in some modes of operation uses the highest of the two predetermined voltages and which in other modes of operation can function with the lower of two predetermined voltages, and includes control logic that switches the electronic power supply circuit to supply said higher voltage when the apparatus in a mode in which it uses this higher voltage and that switches said electronic power supply circuit to supply said lower voltage at least during some of the modes in which the apparatus can function with the lower voltage. |
| US09490698B2 |
Low input voltage boost converter with peak inductor current control and offset compensated zero detection
The low input voltage boost converter with peak inductor current control and offset compensated zero detection provide a boost converter scheme to harvest energy from sources with small output voltages. Some embodiments described herein includes a thermoelectric boost converter that combines an IPEAK control scheme with offset compensation and duty cycled comparators to enable energy harvesting from TEG inputs as low as 5 mV to 10 mV, and the peak inductor current is independent to first order of the input voltage and output voltage. A control circuit can be configured to sample the input voltage (VIN) and then generate a pulse with a duration inversely proportional to VIN so as to control the boost converter switches such that a substantially constant peak inductor current is generated. |
| US09490696B2 |
Charge pump with switching gate bias
An apparatus including: a current source configured to generate current; a bias node coupled to the current source; a switching current source circuit coupled to the current source and the bias node to allow the current to flow through the switching current source circuit into the bias node; a biasing circuit configured to receive a control signal from a phase detector, and mirror the current flowing through the switching current source circuit in response to the control signal; and a switch device disposed between the switching current source circuit and the biasing circuit to isolate the switching current source circuit from the biasing circuit. |
| US09490695B1 |
Method and apparatus for eliminating shimmering
Aspects of the disclosure provide a circuit that includes a switch control circuit and a timing control circuit. The switch control circuit is configured to enable/disable a pulse width modulation (PWM) switch control to a regulator to transfer power to a load. The timing control circuit is configured to enable an analog to digital converter (ADC) to convert an analog signal to a digital stream when the PWM switch control is disabled in order to reduce noise in the digital stream due to switching activities in the regulator. |
| US09490687B2 |
Power transmission apparatus
A rotational difference is generated between a first and a second rotor and a third rotor, which causes an induced current to flow in a first rotor winding. This causes a torque to act between the first rotor and the third rotor. The rotary magnetic field generated by the induced current flowing through a second rotor winding interacts with a second stator, which in turn generates an induced electromotive force in a second stator winding. The induced electromotive force is applied via a phase adjustment circuit to a first stator winding, which generates a rotary magnetic field and causes a torque to act between the first stator and the third rotor. The rotary magnetic field generated by the second rotor winding and the induced current flowing in the second stator winding causes a torque to act between the second stator and the second rotor. |
| US09490685B2 |
Axial gap motor using non-rare-earth magnets
The problem is to provide an axial gap motor using non-rare-earth magnets, as an axial gap motor capable of suppressing reduction in magnet torque and increasing reluctance torque.A solution to the problem is given by an axial gap motor 10, which has a rotor 11, and a pair of stators 21 arranged opposite to the rotor 11 so that the rotor 11 is sandwiched between the stators through a gap G in a direction of rotation axis 11a of the rotor 11, in which the rotor 11 has a plurality of non-rare-earth magnets 13 arranged as separated from each other along a circumferential direction around the rotation axis 11a, and a plurality of magnetic members 15 arranged through a non-magnetic member 17c or the like between the plurality of non-rare-earth magnets 13, in which the magnetic permeability of the plurality of magnetic members 15 is larger than that of the plurality of non-rare-earth magnets 13, and in which the plurality of non-rare-earth magnets 13 and the plurality of magnetic members 15 define opposite faces 11S of the rotor 11 to the pair of stators 21. |
| US09490680B2 |
Power generator power generation facility
In a power generation facility, there are provided a plurality of diesel engines, a plurality of turbochargers driven by exhaust gas from the diesel engines, a plurality of power generators connected to the plurality of turbochargers, a plurality of converters for converting AC power generated by the plurality of power generators to DC power, one inverter for converting the DC power outputted from the plurality of converters to AC power, and a main controller for controlling the converters in accordance with the AC power from the inverter, by which stable electric power can be generated. |
| US09490676B2 |
Fan having an integrated IP protection
A fan has a fan housing (2) which is formed with a pot-shaped recess (4) and it has an external-rotor drive motor (103) having an internal stator (22) and an external rotor (34), separated from each other by an air gap (52). The internal stator (22) is mounted on a bearing support tube (24) which is connected to a base part (46). The arrangement of bearing support tube (24) and base part (46) form, together with the pot-shaped recess portion (4) of fan housing (2), a substantially fluid-tight annular space (54) enclosing the inner stator (22). A wall (56) defining this annular space (54) extends in the manner of a canned motor through the air gap (52) between inner stator (22) and external rotor (34). |
| US09490675B2 |
Stator of motor having insulation structure for separation of stator winding groups
Disclosed is a stator of an EPS motor, the stator including a stator core including a plurality of teeth protrusively formed toward a center of an inner circumferential surface, a plurality of coils wound on the teeth at a predetermined counts, an insulator coupled to an upper surface and a bottom surface of the stator core to insulate the coil from the stator core, and an insulation tube situated nearest to a coil wound on an adjacent stator core and inserted into a coil wound on an outmost side of the teeth. |
| US09490665B2 |
Power transmission device
A power transmission device that adjusts the resonance frequency of a plurality of power transmitters with high precision, is provided.The power transmission device includes a first power transmitter and a second power transmitter that respectively adjust the capacitance such that a resonance frequency is attained, based on a variation degree of a phase difference with respect to a variation of the capacitance when the capacitance of a variable capacitance unit is varied, and the first control unit adjusts the resonance frequency of the first power transmitter in a state where the second power transmitter is off, and the second control unit adjusts the resonance frequency of the second power transmitter in a state where the first power transmitter is off. |
| US09490661B2 |
Uninterruptible power supply
An uninterruptible power supply is having a battery, a power inverter circuit for inverting the electrical power of the battery, and a voltage control circuit. The voltage control circuit controls the power inverter circuit, so that the output voltage of the power inverter circuit is maintained at a standby voltage lower than a rated voltage under the condition of a power failure detection signal being not output from an external power supply and the output voltage of the power inverter circuit equals the rated voltage under the condition of the power failure detection signal being output from the external power supply. |
| US09490657B2 |
Recuperative cableway system with fuel cells
The recuperative cableway system with fuel cells (10) serves for transportation of the load using a skyline (1), mainly for skidding, which uses gravity of the carriage (18) and load (19) to run an electric generator (8) with the help of a winding device (3) and a clutch (5), and voltage from electric generator (8) helps electrolysis of water in fuel cells (10), where oxygen and hydrogen are produced, and consequently they synthesize in fuel cells (10) into water when pulling an empty carriage up the hill, and at the same time, voltage is produced, and it is transmitted through the switch (13) into an electric motor (9), it runs the winding device (3) using a clutch (6) and it helps to pull the empty carriage up the hill. |
| US09490656B2 |
Method of making a wireless charging coil
A method of making a wireless charging coil. More specifically, a method of making a wireless charging coil is provided comprising stamping a metal sheet to form a first coil having a first spiral trace, applying the first stamped coil to a first laminate, stamping a metal sheet to form a second coil having a second spiral trace, applying the second stamped coil to a second laminate, interpositioning the first stamped coil and the second stamped coil to form a planar coil assembly, the first stamped coil and the second stamped coil positioned between the first and second laminates, heating and pressing the planar coil assembly to displace and set the adhesive of the first and second laminates to surround and bond together the first and second coils. |
| US09490655B2 |
Wireless charging device for vehicles
A wireless charging device for vehicles includes a socket and a charging holder mounted to the socket. The wireless charging device for vehicles is configured to charge an electronic device. The socket includes a petal shaped spring portion and a protruding portion formed in the center of the spring portion. The charging holder includes a base, a first sidewall, a second sidewall, and an opening between the first sidewall and the second sidewall. The second sidewall includes a wireless charging module. The wireless charging device for vehicles of the present disclosure can charge different sizes of electronic devices and can be stable and convenient. |
| US09490648B2 |
Alternating current direct current adapter with wireless charging
A charging device that includes an alternating current (AC) direct current (DC) adapter and a wireless charger. In one implementation the charging device combines an AC/DC adapter and a wireless charger into a same housing. |
| US09490644B2 |
Reconfigurable compensator with large-signal stabilizing network
During operation, the DC converter and a DC battery charger controller in a charger circuit transitions from a first error signal to a second error signal for use in charging a battery, wherein the first error signal and the second error signal, respectively, correspond to feedback sources in a plurality of feedback sources with a plurality of feedback sources. Then, the DC converter and a DC battery charger controller selects a gain and an impedance to ground of a damping circuit based on the selected second error signal, where the damping circuit applies the gain and the impedance to ground to the second error signal. Moreover, the DC converter and a DC battery charger controller selects one or more clamping voltages of a voltage-clamping circuit based on the selected second error signal, where the voltage-clamping circuit applies the one or more clamping voltages to an output from the damping circuit. |
| US09490643B2 |
Method for operating an electronic appliance, charging apparatus for charging a battery for an electronic appliance, and motor vehicle
A method operates an electronic appliance that has a battery and a charging device for charging the battery with electric current. At least one functionality of the electronic appliance is set to a state that has previously been selected by a user of the electronic appliance when a coupling state of the charging device to a charging apparatus, which is external to the electronic appliance, for charging the battery is altered. A charging apparatus charges the battery for the electronic appliance. |
| US09490641B2 |
Systems and methods for extending operation of radio-frequency power amplifiers
Systems and methods for extending operation of radio-frequency (RF) power amplifiers. In some embodiments, a system for operating a battery-powered wireless device can be implemented. The system includes a light-emitting diode (LED) driver capable of generating a boosted-voltage output. The system further includes a controller coupled to the LED driver and configured to generate a control signal for the LED driver to generate the boosted-voltage output under a selected condition. The system further includes a switching circuit configured to route the boosted-voltage output of the LED driver to an RF block under the selected condition. Such an RF block can include a power amplifier. Accordingly, the power amplifier can operate for a longer time when powered by a battery. |
| US09490638B2 |
Electrical power transmission system and electrical power output device
A power transmission system having a first resonant element with a resonant frequency, a signal generator that generates an electrical power signal with a predetermined frequency that is the same as the resonant frequency of the first resonator, and a driven element that supplies the electrical power signal to the first resonator via magnetic field resonance coupling. A second resonator having a resonant frequency approximately the same as that of the first resonator can be positioned to receive the power from the first resonator. A magnetic coupling circuit can be magnetic field resonance couple to the first and second resonators for transferring the electrical power signal between them. |
| US09490637B2 |
Power converting apparatus
A power converting apparatus supplies, on the basis of a power supply voltage of an alternating-current power supply, a circuit current flowing in a power conversion circuit, and a direct current of a direct-current power supply, a pulse signal for alternately opening and closing a pair of a first switch and a fourth switch and a pair of a second switch and a third switch to the pair of the first switch and the forth switch and the pair of the second switch and the third switch such that an electric current in which a high-frequency component is mixed in a low-frequency component of the alternating-current power supply flows to the power conversion circuit. |
| US09490636B2 |
Power supply circuit, power supply method and power supply system
A power supply circuit supplies power to a load from a main power source or an auxiliary power source. The power supply circuit includes a hybrid selection unit that selects one of the main power source and the auxiliary power source and supplies power to the load from the selected one, a voltage comparing unit that compares a voltage of the main power source and a voltage of the auxiliary power source, and a power source control unit that controls the auxiliary power source in accordance with a comparison result of the voltage comparing unit, and supplies a voltage higher than the voltage of the main power source by a predetermined voltage to the load from the auxiliary power source through the hybrid selection unit. |
| US09490634B2 |
Power distribution system using multiple power modules, and method
An exemplary power distribution system includes multiple power modules and a controller. The multiple power modules are coupled in parallel to supply power to a load. The controller is configured to provide a total number of the power modules and unique numbers to each member of the power modules. At least a member of the multiple power modules is set up to independently determine its own ON status and OFF status based on the total number and the unique numbers when the power distribution system is in operation, wherein an ONthreshold in association with a corresponding unique number is determined to decide its own ON status. A method for operating the power distribution and an energy distribution system are also described. |
| US09490633B2 |
Electrical energy system comprising monitoring based on the analysis of structure-borne sound
An electrical energy system that is one embodiment includes at least one electrical energy module. The electrical energy module includes a monitoring device disposed within the energy module and a control device. Data can be transmitted between the energy module and the control device by means of structure-borne sound. |
| US09490630B2 |
Destructive electrostatic discharge damage prevention of garments
A method and system for the prevention of Destructive Electrostatic Discharge (DED) damage to outer garments caused by triboelectric charge discharging to the wearer's body through a distinct point of discharge at a conductor in contact with or close proximity to the wearer's skin. The method consists of interposing an insulating layer of high dielectric strength at the conductor such that the conductor is insulated from either the skin of the wearer or the outer garment and the circuit of triboelectric charge through the conductor is broken. The system includes a conductor and an insulating layer positioned between the outer garment and the skin of the wearer on either side of the conductor. |
| US09490629B1 |
DC-to-DC converter controllers including over-current protection, and associated systems and methods
A DC-to-DC converter includes a switching circuit, an energy storage inductor electrically coupled to the switching circuit, and a controller. The controller includes a control signal generator, a current sensing subsystem, an over-current detection subsystem, and filter logic. The control signal generator generates unfiltered control signals to control the switching circuit, and the current sensing subsystem senses current flowing through the energy storage inductor. The over-current detection subsystem asserts an over-current signal if a magnitude of positive current flowing through the energy storage inductor exceeds a maximum permissible value. The filter logic filters the unfiltered control signals to generate filtered control signals in response to assertion of the over-current signal, such that respective widths of one or more pulses of the filtered control signals are less than respective widths of corresponding pulses of the unfiltered control signals. |
| US09490627B2 |
Magnetizing inrush current suppressing device
According to one embodiment, a magnetizing inrush current suppressing device includes, a first closing unit closes the circuit-breaker at the notable phase by the first phase determined by the first-phase determination unit, a second-phase determination unit determines a second phase at which the notable phase detected by the notable phase detection unit from the three-phase AC voltage measured by the power-supply-side voltage measurement unit becomes a zero point after the first phase determined by the first-phase determination unit, and a second closing unit closes the circuit-breaker at two phases other than the notable phase by the second phase determined by the second-phase determination unit. |
| US09490623B2 |
Capacitvive load overcurrent detection system and method
An overcurrent detection circuit and method for one or more capacitive loads includes sensing current being supplied to the one or more capacitive loads to thereby generate a sensed current, and sensing a voltage rate of change across the one or more capacitive loads to thereby generate a differentiator output. The differentiator output is added to a fixed reference setpoint to thereby generate an overcurrent setpoint. The sensed current is compared to the overcurrent setpoint, and an overcurrent trip signal is supplied when the sensed current is greater than or equal to the overcurrent setpoint. |
| US09490620B1 |
Low permeability electrical feed-through
A low permeability electrical feed-through involves a laminated structure having a conductor layer sandwiched between adjacent insulator layers, which are sandwiched between adjacent diffusion control layers, where the laminated structure provides a relatively narrow and long, high aspect ratio diffusion channel to inhibit the leakage of gas from within a sealed device to the external environment. The electrical feed-through may comprise lower and upper electrical connection pads that are positioned within different regions of the feed-through but still electrically connected by way of a first via positioned in a sealed region, the conductor layer, and a second via positioned in an external environment region. |
| US09490618B2 |
Electrical splice box
An electrical splice box comprising an enclosure formed by a plurality of sidewalls surrounding a baseplate and extending substantially perpendicularly from the baseplate. The enclosure has an open side opposite the baseplate and is configured to enclose electrical splices. A cover may be removably attached to the open side of the enclosure. A plurality of slots are formed in at least some of the sidewalls, where at least some of the sidewalls have at least one slot. A plurality of cable locks are removably attached to the baseplate. Each cable lock is positioned at a corresponding slot to receive and to hold a cable inserted into the slot. |
| US09490616B1 |
In-floor electrical fitting
An in-floor electrical fitting has a lower body that includes two half-bodies made of intumescent material. Each half-body includes a removable access wall that is also made of intumescent material and that is inserted into slots formed in the half-body. The removable access wall has at least one reduced-thickness section that can be broken off from the removable access wall to create a passageway through the removable access wall. During installation, the two access walls can be removed to allow an installer to a lay a conduit that will pass through the passageway through each access wall when the access walls are reinserted. An installer can pass power wires from one small compartment to another through the conduit while complying with code requirements calling for the separation of power and data cables. |
| US09490613B2 |
Wire harness
A wire harness includes a high-voltage wire and a pipe member for receiving the high-voltage wire. The pipe member is provided, at a plurality of points thereon, with crushed portions formed by crushing a pipe outer surface inward. The crushed portions are formed as portions to which clamps are to be attached. The crushed portions are formed and positioned in correspondence with positions of L-shaped brackets. The crushed portions are formed as portions for generating protrusions on a pipe inner surface, and the protrusions serve as a contact supporting point for the high-voltage wire. |
| US09490612B2 |
Switchgear manual control plug racking interlock structure
Interlock structure for a circuit breaker is constructed and arranged such that 1) when a control plug is disconnected from a socket, a portion of a linkage structure engages a racking linkage, causing a portion of the racking linkage to engage a racking screw, preventing the racking screw from rotating and thus preventing racking of the circuit breaker, and 2) when the control plug is connected with the socket, the linkage structure is actuated thereby moving the portion of the linkage structure to disengage from the racking linkage such that the portion of the racking linkage disengages from the racking screw, permitting the racking screw to rotate thereby permitting the circuit breaker to be racked to a connected position, where the primary contacts are connected to the main bus. |
| US09490609B2 |
Metallic insulator coating for high capacity spark plug
A spark plug (24) of an internal combustion engine is provided with an integrated capacitor feature to increase the intensity of its spark. The capacitor feature is formed by applying metallic film (62, 64) to the inner (30) and outer surfaces of a tubular insulator (26). The insulator (26) forms a dielectric and sustains an electrical charge when an electrical differential is established between the inner (64) and outer (62) metallic films. The stored electrical charge is discharged with the firing of a spark. The metallic films can be applied as a paint or ink directly to the surfaces of the insulator (26), or can be mixed with a glazing compound to form conductive coatings simultaneous with the glazing operation. Ganged (62′) or serpentine (62″) micro-plates can be formed within either or both of the inner and outer metallic films to increase the charge-carrying surface area. |
| US09490608B2 |
Electro-optical component
The invention relates, inter alia, to a method for producing an electro-optical component (10, 200) suitable for emitting electromagnetic radiation (120), wherein in the method a first intermediate layer (60) is applied on a carrier, a second intermediate layer (70) is applied on the first intermediate layer, and after the second intermediate layer has been applied, the buried first intermediate layer is locally modified, wherein as a result of the local modification of the buried first intermediate layer in a lateral direction a refractive index jump is produced which brings about a lateral wave guiding of the electromagnetic radiation (120) in the unmodified region of the first intermediate layer. |
| US09490604B2 |
Solid-state laser with multi-pass beam delivery optics
A laser system including two laser amplifier modules, each comprising a solid-state laser gain material (LGM) disk, and a multi-pass optical assembly comprising a plurality of relay mirrors. The relay mirrors are grouped in two relay mirror groups. Individual relay mirrors are arranged to pass a laser beam from the first LGM disk to the second LGM disk and back to the first LGM disk, and so on. The laser beam is amplified with each pass through the LGM disk. The relay mirrors may be arranged to repeat the process of passing the laser beam to and from the two LGM disks arbitrary number of times until the desired laser beam amplification is attained. At that point, the laser beam may either released from the laser system, reflected back causing it to retrace its path through the system. This configuration increases the effective gain and improves laser power extraction. |
| US09490600B2 |
High current slipring for multi fiber brushes
A slipring comprises a slipring module rotating about a rotation axis, having a plurality of sliding tracks and at least one multi wire brush sliding thereon. The sliding tracks have a circular contact surface with its center located at the rotation axis and a convex shaped cross-section. Due to this convex shaped sliding track, the individual brush wires of the multi wire brush distribute over the sliding track surface and offer a higher number of contact points. This results in a higher current capacity, lower contact resistance and lower contact noise. |
| US09490597B2 |
Rail mounted electrical connector
A submersible electrical connector that includes a first mating component that has a housing with at least one port that has a cable termination end and an opposite interface end, and the port defines a cavity that supports at least one first contact. A second mating component has a housing with at least one port that has a cable termination end and an opposite interface end configured to engage the interface end of the first mating component, and the port of the second mating component defines a cavity that supports at least one second contact configured to engage the at least one first contact. A rail engagement is disposed on at least one of the first and second mating components for mounting the connector on a DIN rail. |
| US09490594B2 |
Flippable electrical connector
A receptacle connector mounted to a PCB, includes an insulative housing defining a mating tongue and a metallic shell enclosing the housing to form a mating cavity in which said mating tongue forwardly extends. A metallic shielding plate is embedded within a mid-level of the mating tongue wherein a leg of the shielding plate and a tail of an outermost grounding contact share the same conductive grounding region on the PCB. A plug connector mateable with the receptacle connector, includes an insulative housing defining a mating cavity to receive the mating tongue and equipped with a plurality of contacts and a metallic latch beside the mating cavity, wherein a tail of one grounding contact and a leg of the latch share the same conductive grounding region on a paddle card, which is behind the mating cavity and on which tails of the contacts are electrically and mechanically mounted. |
| US09490593B2 |
Connecting plugs to jacks of electronic devices
Disclosed are exemplary embodiments of plugs and related methods. In an exemplary embodiment, a plug generally includes a connector configured for insertion into a jack of an electronic device. The plug also includes an offset member whereby the plug is configured to fit snugly relative to a protective case of the electronic device. |
| US09490585B2 |
Electrical connector with imprived grounding bar
An electrical connector includes an insultive housing and defining a base seat and a mating portion extending from the base seat. A plurality of conductive terminals are retained in the mating portion and include a plurality of differential signal terminal pairs and grounding terminals, each conductive terminal defines a contacting portion disposed on the mating portion, a retaining portion fixed to the base seat and a connecting portion extending outside of the base seat, the contacting portion of each grounding terminal has a free end extending toward the inside of the mating portion and abutting against a first grounding bar. A second grounding bar defines a base portion and a plurality of abutting portions extending from the base portion and abutting against the retaining portions of the grounding terminals. The first grounding bar and the second grounding bar are connected by a bridging portion thereof. |
| US09490584B2 |
Flippable electrical connector
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 in the vertical direction. A latch 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. The plug connector is equipped with a pair of locking screws symmetrically located by two sides of the metallic shell and aligned with the pair of locking heads in the transverse direction, and the receptacle connector is equipped with a pair of screw holes to receive the pair of locking screws in a locked manner. |
| US09490576B2 |
Electrical connector with connector position assurance element
An electrical connector is disclosed having a first connector member, a second connector member, and a connector position assurance element. The first connector member has a stop surface with flanking projections. The second connector member is complimentary to the first connector member and has a stop element with a second raised portion. The connector position assurance element is slidably mountable on the first connector member and has a first engagement portion and a second engagement portion. The first engagement portion engages the flanking projections when the first connector member is completely mated to the second connector member in a final mating position. The second engagement portion is spaced a distance from the first engagement portion in a longitudinal direction of the connector position assurance element, and is engaged with the second raised portion when the first connector member is mated to the second connector member in the final mating position. |
| US09490569B2 |
Connector
A connector includes: a first connector constituent including a first terminal and a cylindrical part provided with a first locking part and a second locking part; a second connector constituent provided with a second terminal, a first locked part, and a second locked part; and a connector cover body including a first cylindrical part provided with a first abutment part, and a second cylindrical part provided with a second abutment part, the second cylindrical part constituting a locked-part holding part. When the connector cover body is moved closer to the first connector constituent from a state in which the second connector constituent is installed in the connector cover body, the second connector constituent is joined to the first connector constituent. |
| US09490568B2 |
Connector with TPA
A connector is provided with a terminal position assurance (TPA) member that secures a terminal within a channel provided in a base. The TPA member can be secured to the base with a hinge that extends substantially a width of the base. The TPA member and the base can be formed as a one-piece molded part. |
| US09490565B2 |
Electrical contact with sealing web
Electrical contact (19) having a housing (2) in which an electrical conductor (1) is embedded, the housing (2) having a recess (3), the electrical conductor (1) being inserted into the recess (3), an intermediate space (20) between the conductor (1) and the housing (2) being filled with a sealing material (21), the conductor (1) extending in the longitudinal direction through the housing (2), the conductor (1) having a web (15, 16), the web (15, 16) extending transversely relative to the longitudinal direction around the conductor (1), the web (15, 16) protruding by a predetermined height beyond a lateral face (6, 7) of the conductor (1), the sealing material (21) being arranged at one side of the web (15, 16). |
| US09490563B2 |
Female connector with improved contact area
A terminal includes a terminal connection part into which a tab is inserted, a leaf spring portion arranged in the terminal connection part and deflected by the tab to be inserted, and a tab clamping projection wall extending in a tab insertion direction at a position spaced apart from the leaf spring portion and clamps the tab between itself and the leaf spring portion. The leaf spring portion has a spring side projection protruding toward the tab clamping projection wall. The tab clamping projection wall has a projecting portion with a width smaller than that of the tab clamping projection wall and which protrudes toward the leaf spring portion and extends in the tab insertion direction. The projecting portion is formed in a curved shape that is spaced from the tab at a position of the spring side projection and is close to the tab at front and rear positions. |
| US09490558B2 |
Connection system for use with a chip
A connection system is disclosed for use in providing a high speed transmission line for connecting a chip mounted on a circuit board to a connector. The system has a structure that allows for high data rates from the connector to the chip. The connector includes a plurality of conductive terminals and a ground terminal arranged so that the impedance and other electrical characteristics may be maintained from the connector to the chip while reducing signal loss. |
| US09490557B2 |
Electronic card connector having improved terminals
An electronic card connector (100) includes an insulative housing (1), a number of terminals (2), and a shielding shell (6). Each terminal includes an elastic portion extending upwardly and a contacting portion (23). The elastic portion is resiliently deformable in an up-to-down direction. A first part of the elastic portion is located in a first plane, and a second part of the elastic portion is located in a second plane forming a sharp angle with the first plane. The second part has a connecting portion (25) and a pair of frame portions (26) connected with two free ends of the connecting portion. Each terminal defines a front point and a rear point respectively located on the elastic portion. The front point is located at the front of the contacting portion and the rear point is located at the rear of the contacting portion along a card-inserting direction. |
| US09490552B1 |
Wire connector having two bodies connected together quickly
A wire connector is formed by a male base body and a female base body, and the male base body and the female base body are provided fro connecting and conducting a wire quickly, and the male base body and the female base body are connected and conducted, so that two wires can be connected quickly to achieve the effects of shortening the assembling process and improving the assembling efficiency and the market competitiveness. |
| US09490549B2 |
Flippable electrical connector
A plug for provision of power includes a housing forming a receiving cavity with two opposite sites in a vertical direction which is compatible with a standard plug connector with twelve contacts on each site and a first and second rows of contacts on the sides while in diagonally symmetrical manner. Each contact includes a contacting section, and a connecting section for directly connecting to a corresponding wire. Each row of contacts is categorized with a pair of power contacts, a pair of grounding contacts and a specific contact without any high speed differential pair. Two pair of power contacts of both two rows are electrically connected together either via direct mechanical connection via vertical extensions or via indirect electrical connection via the latch which has a pair of side arms extending into the receiving cavity at two opposite transverse ends. |
| US09490548B2 |
Wireless device with antenna array and separate antenna
An apparatus (e.g., a wireless device) includes an antenna array and a separate antenna. The antenna array includes a plurality of antenna elements having a first antenna beam. The separate antenna includes an antenna element having a second antenna beam. The antenna element of the separate antenna is separate from the antenna elements of the antenna array. The antenna array and the separate antenna are active at different times in an operational mode. The antenna array may transmit and the separate antenna may be inactive in a transmit mode. The separate antenna may receive and the antenna array may be inactive in a receive mode. The antenna array may receive and the separate antenna may transmit in a test mode. Alternatively, the antenna array may transmit and the separate antenna may receive in the test mode. |
| US09490547B2 |
Electrical steering lens antenna
An electrical steering lens antenna using a lens composed of a ferroelectric material is provided. The antenna includes a plate composed of a ferroelectric material. The antenna further includes a first resistive electrode disposed on a top surface of the plate. The antenna further includes a second resistive electrode disposed on a bottom surface of the plate. The antenna further includes a first conductive electrode disposed at a center of the first resistive electrode. The antenna further includes a second conductive electrode disposed along an edge of the first resistive electrode. The antenna further includes a power source connected to the first conductive electrode and the second conductive electrode. |
| US09490545B2 |
Frequency selective polarizer
A wideband frequency selective polarizer is provided. The wideband frequency selective polarizer includes arrays of first-frequency slots in at least two metallic sheets in at least two respective planes; and arrays of second-frequency slots interspersed with the arrays of first-frequency slots in the at least two metallic sheets in at least two respective planes. A polarization of a first-frequency radio frequency (RF) signal in a linearly-polarized-broadband-RF signal that propagates through the at least two planes is one of: rotated by a first angle in a negative direction; or un-rotated. A polarization of a second-frequency-RF signal in the linearly-polarized-broadband-RF signal is rotated by a second angle in a positive direction. |
| US09490539B2 |
Antenna device, information processing device, and storage device
According to an embodiment, an antenna device includes a first dielectric substance and a second dielectric substance. The first dielectric substance is internally provided with a wave source. The second dielectric substance includes a first surface on which a conductor with an opening is provided, and a second surface on which a radiation element is provided, the first surface being opposed to a counter surface of the first dielectric substance, the second surface being opposed to the first surface. The first surface of the second dielectric substance is larger than the counter surface of the first dielectric substance, and a distance between the first and second dielectric substances is smaller than or equal to twice the wavelength of a used frequency. |
| US09490533B2 |
Dual receiver/transmitter radio devices with choke
Wireless radio apparatuses for point-to-point or point-to-multipoint transmission/communication of high bandwidth signals having dual receivers and transmitters. Radio devices and systems may include a pair of reflectors separated by an isolation choke boundary. The device may be configured to operate in any appropriate band (e.g., a 5 GHz band, a 24 GHz band, etc.) and may simultaneously transmit and receive with minimal crosstalk. The isolation choke boundary may have ridges that extend between the first and second parabolic reflectors to a height that may be tuned to the band. The isolation choke boundary provides greater than 10 dB isolation between the first and the second parabolic reflectors may be in a fixed configuration relative to each other so that they are aligned to send/receive in parallel. The two reflectors may be formed of a single housing, with fixed parallel alignment. |
| US09490531B2 |
Antenna for an electronic device in a tyre
An antenna includes a core and is intended to be integrated into a rubber compound for a tire. The antenna further includes an electromagnetic-signal conduction layer, which is made of copper and coats the core, and a chemical isolation layer, which coats the conduction layer and is intended to chemically isolate the rubber compound from an object coated by the isolation layer. |
| US09490529B2 |
Antenna device and mobile terminal
This disclosure provides an antenna device and a mobile terminal equipped with the antenna device. The antenna device includes a coil conductor spirally wound to have a conductor opening portion at the center of winding and is formed on a flexible substrate. A magnetic sheet is disposed near, or proximal to the flexible substrate and between the coil conductor and a flat conductor of a circuit board. A side of the antenna coil that is near an edge of the flat conductor is bent toward the circuit board. |
| US09490528B2 |
Electronic device and method of manufacturing a housing for the same
Embodiments of the present application provide an electronic device and a method of manufacturing a housing for the electronic device, which belong to a field of electronic product. The electronic device comprises a housing and an antenna. The housing comprises N layers each of which is made of a first fiber material and a second fiber material; and the housing comprises a first region, and a second region made of the second fiber material. In the N layers, a first layer has a first fiber direction and comprises the first fiber material and the second fiber material, and a fiber direction of the first fiber material in the first layer is consistent with the first fiber direction, and a fiber direction of the second fiber material in the first layer is consistent with the first fiber direction, wherein a first splicing face where the first fiber material and the second fiber material in the first layer are spliced is parallel to the first fiber direction, and is hidden in the first layer so that when the first layer is formed as an outer surface of the housing, the housing is formed into one piece. The antenna is securely disposed in the housing and comprises a radiator in the second region, wherein a shielding influence value of the second fiber material on the radiator is less than a shielding influence value of the first fiber material on the radiator. |
| US09490526B2 |
Wireless communication antennas in computer displays
A liquid crystal display screen of an electronic device is formed on a glass substrate. The glass substrate has an active display area with liquid crystal display elements disposed thereon. The active display area is bordered by an edge area of the glass substrate. Antenna elements are disposed in the edge area of the substrate. The antenna elements are coupled to wireless communications circuitry in the electronic device. |
| US09490522B2 |
Foldable satellite antenna
A foldable satellite antenna includes a dish reflector formed with an opening, a connecting rod having a section smaller than the opening such that the connecting rod is able to be inserted through the opening to penetrate the dish reflector, a compensating structure for being disposed in an area enclosed by the opening to fill an area other than where the connecting rod penetrating the opening after the connecting rod is inserted through the opening to penetrate the dish reflector, and a dish bracket for riveting the dish reflector and the connecting rod such that the connecting rod is folded around a rotating center of the dish bracket after the connecting rod is inserted through the opening to penetrate the dish reflector. |
| US09490521B2 |
Underwater connector arrangement
An underwater connector includes a first component and a second component, wherein the components are operable to be coupled together in operation in a first coupled state, and operable to be mutually spatially separated in a second uncoupled state. The first and second components each include communication arrangements which are operable to provide wireless communication between the first and second components when in their first coupled state. The first and second components include a power transfer arrangement for transmitting power between the first and second components. The power transfer arrangement includes inductive coupling devices and/or capacitive coupling devices, wherein the power transfer arrangement is implemented substantially as an annulus, for example circular, elliptical, or polygonal, on the first and second components together with the communication arrangements being disposed within the annulus and/or around a periphery of the annulus. The wireless communication is operable to occur using a wireless signal whose carrier frequency is within a frequency range of 300 MHz to 300 GHz, wherein the wireless communication is implemented using microwave and millimeter wave technologies. |
| US09490518B1 |
System for launching a signal into a dielectric waveguide
A system is provided for transmitting sub-terahertz electro-magnetic radio frequency (RF) signals using a dielectric waveguide (DWG) having a dielectric core member surrounded by dielectric cladding. An RF transmitter is coupled to an antenna located on a first substrate, in which the antenna is adjacent an edge of the substrate. The first substrate is mounted on a second substrate. A conductive reflector plate is formed on the top surface of the second substrate. An end of the DWG is mounted on the second substrate over the reflector plate such that an exposed face of the core member at the end of the DWG is adjacent the antenna. The core member at the end of DWG forms an angle of inclination with the second substrate in which the angle is in a range of approximately 10-30 degrees. |
| US09490516B2 |
High-frequency transmission line and electronic device
A transmission line portion of a flat cable includes first regions and second regions connected alternately. In the first region, the transmission line portion is a flexible tri-plate transmission line including a dielectric element including a signal conductor, a first ground conductor including opening portions, and a second ground conductor which is a solidly filled conductor. In the second region, the transmission line portion is a hard tri-plate transmission line including a wide dielectric element including a meandering conductor, and a first ground conductor and a second ground conductor which are solidly filled conductors. A variation width of the characteristic impedance in the second region is larger than a variation width of the characteristic impedance in the first region. |
| US09490513B2 |
High-frequency signal transmission line and electronic device
A dielectric element assembly includes a plurality of dielectric layers stacked on each other in a direction of lamination and extends in an x-axis direction. A signal line is provided in the dielectric element assembly and extends in the x-axis direction. A reference ground conductor is provided on a positive side in a z-axis direction relative to the signal line. An auxiliary ground conductor is provided on a negative side in the z-axis direction relative to the signal line. Via-hole conductors connect the reference ground conductor and the auxiliary ground conductor and are provided in the dielectric element assembly on the negative side relative to the center in a y-axis direction. A portion of the signal line in a section which includes the via-hole conductors is positioned on the positive side in the y-axis direction relative to another portion of the signal line in a section which does not include the via-hole conductors. |
| US09490512B2 |
Tuneable filter
A tuneable filter comprising at least one resonator body comprising a resonant cavity defined by an electrically conducting cavity wall, the cavity wall comprising a grounding face, a capacitive face and a surrounding wall extending therebetween; a resonator within the cavity; and, a detuning arm arranged within the cavity substantially parallel to the capacitive face, the detuning arm being adapted to rotate in a plane substantially parallel to the capacitive face about a detuning axis. |
| US09490509B2 |
Motor vehicle with battery cooling system
A motor vehicle includes at least one battery module configured to be cooled by compressed gas. The battery module has a cooling system which has an accumulator for compressed gas that can be fed to the battery module for cooling. A control device controls supply of gas from the accumulator to the battery module in dependency of at least one output value from at least one sensor configured to measure a current output from the battery module. |
| US09490506B2 |
Battery unit
A battery unit in one aspect of an embodiment of the present disclosure includes a plurality of cell assemblies, a positive electrode connection terminal, a negative electrode connection terminal, a plurality of switch sections, a control section, and a simultaneous on-suppression section. When an on-command signal is output from the control section to at least two of the plurality of the switch sections, the simultaneous on-suppression section performs one of enabling the on-command signal to one of the at least two switch sections and disabling the on-command signal to all of the at least two switch sections, so as to suppress the at least two switch sections from being turned on at the same time. |
| US09490501B2 |
Electrolytic solution for fluoride ion battery and fluoride ion battery
An electrolytic solution for a fluoride ion battery includes: a fluoride salt; and an alcohol material that has one OH group, and in which a molar ratio of the alcohol material is more than 1 with respect to fluoride ions of the fluoride salt. |
| US09490500B2 |
Oxide-based solid electrolyte and method of preparing the same
An oxide-based solid electrolyte according to the present invention may be LixLa3M2O12 and may have a cubic phase. The oxide-based solid electrolyte may further include first and second dopants. A method of preparing an oxide-based solid electrolyte according to the concept of the present invention may include mixing a lithium compound, a lanthanum compound, a metal compound, a first dopant precursor, and a second dopant precursor to prepare an intermediate, and crystallizing the intermediate to prepare LixLa3M2O12 crystals having a cubic phase. |
| US09490499B2 |
Negative electrode active material for lithium ion rechargeable battery and negative electrode using the same
A negative electrode active material for a lithium ion secondary battery, made up of substantially spherical graphite particles (A), having fine protrusions on the surfaces thereof and obtained by impregnating and coating substantially spherical graphite particles with a mixture of pitch and carbon black, followed by baking in a range of 900 to 1500° C. In accordance with Raman spectroscopic analysis of the particles (A) using argon laser Raman scattering light, there exists a G-band composite peak comprising peaks in the vicinity of 1600 cm−1, and 1580 cm−1, respectively, and at least one peak in the vicinity of D-band at 1380 cm−1, an interlayer distance of the lattice plane d002, obtained by wide-range X-ray diffraction, being in the range of 0.335 to 0.337 nm. |
| US09490498B2 |
Mercury-free lead-free button battery
A mercury-free lead-free button battery includes a negative cap, a cathode material, a gasket ring, a positive can, an anode material, and a diaphragm. The positive can and the negative cap are combined. The gasket ring is clamped between the positive can and the negative cap for separating the positive can from the negative cap. The cathode material is arranged on the bottom of the positive can. The diaphragm is arranged on the cathode material. The anode material is arranged between the negative cap and the diaphragm. A partition unit is arranged between the negative cap and the anode material for separating the anode material from the negative cap and conductively connecting the anode material and the negative cap. The partition unit ensures disconnection between the anode material and the negative cap and therefore safety of the battery by preventing expansion, weeping and even that would otherwise happen. |
| US09490495B2 |
Hydrogen generator, fuel cell system, and method of operating hydrogen generator
A hydrogen generator includes: a reformer configured to generate a hydrogen-containing gas by a reforming reaction using a material gas; a hydro-desulfurizer configured to remove a sulfur compound in the material gas; a material gas passage through which the material gas supplied to the reformer flows; a recycled gas passage connected between a first connection portion of a gas passage located downstream of the reformer and a second connection portion of the material gas passage located upstream of the hydro-desulfurizer; a first on-off valve disposed on the recycled gas passage; a second on-off valve disposed on the material gas passage between the second connection portion and the hydro-desulfurizer; and a controller configured to open the first on-off valve, after generation stop of the hydrogen-containing gas, to supply the material gas to the recycled gas passage, and to close the second on-off valve when the controller opens the first on-off valve. |
| US09490494B2 |
Fuel cell system
If a required voltage which corresponds to a required power has reached a boundary voltage, which is an oxidation-reduction potential of platinum, which constitutes a catalyst of a fuel cell, the fuel cell system performs crossover-avoidance control that holds an FC instruction voltage for the fuel cell at the boundary voltage, and absorbs the gap between the required voltage and the FC instruction voltage by using a secondary battery. |
| US09490493B2 |
Manufacturing method of fuel cell, fuel cell and fuel cell system
In order to define the power generation performance of a monitor cell, a manufacturing method of a fuel cell including a plurality of ordinary cells and a monitor cell configured to have a greater pressure loss of hydrogen gas than a pressure loss of the ordinary cell comprises the steps of: (a) specifying an upper limit voltage in a voltage range of the monitor cell; (b) specifying a lower limit voltage in the voltage range of the monitor cell; (c) determining an upper limit value and a lower limit value in a range of pressure loss of the hydrogen gas in the monitor cell, based on the upper limit voltage and the lower limit voltage; and (d) manufacturing the monitor cell, such that the pressure loss of the hydrogen gas in the monitor cell is limited to the range of pressure loss. |
| US09490490B2 |
Measurement device and method for determining fuel cell stack size variations
A measurement device for measuring voltages along a linear array of voltage sources, such as a fuel cell stack, includes at least one movable voltage probe that measures voltage transitions along an array element. The measured voltage is used to determine a distance of travel of the at least one voltage probe along the fuel cell stack from the speed of the probe and the timing of the transitions. |
| US09490489B2 |
Device for manufacturing fuel cell stack components
An apparatus for manufacturing fuel cell stack components integrally bond gas diffusion layers to both surfaces of a membrane-electrode assembly (MEA) basic material in which a membrane-electrode assembly has sub gaskets. The apparatus includes a frame, an upper die disposed on the frame to be movable in a vertical direction, and a lower die disposed on the frame, and configured to support the MEA basic material and the gas diffusion layers at a lower side of the upper die. Bonders are installed at each of the upper die and the lower die and configured to compress the MEA basic material and the gas diffusion layers at a high temperature and a high pressure. Steam injectors are disposed at the bonders and configured to inject steam to the MEA basic material and the gas diffusion layers. An ultra-pure water storage tank configured to stores ultra-pure water for generating the steam by the bonders and supplies the ultra-pure water to the bonders. |
| US09490485B2 |
Laminated electrically conductive sheet, producing method thereof, current collector, and bipolar battery
A method for producing a laminated electrically conductive sheet includes the steps of preparing a support board, forming an electrically conductive layer at one side in a thickness direction of the support board, and transferring the electrically conductive layer onto at least one surface in the thickness direction of a resin-containing layer containing a resin. |
| US09490484B2 |
Binder for storage battery device
To provide a binder for a storage battery device, whereby good adhesion in an electrode and flexibility are obtainable, and it is possible to realize good charge and discharge characteristics when used for a secondary battery.A binder for a storage battery device, which is made of a fluorinated copolymer comprising structural units (a) derived from tetrafluoroethylene and structural units (b) derived from propylene, wherein the molar ratio (a)/(b) is from 40/60 to 50/50, and the total of the structural units (a) and (b) is at least 90 mol % in all structural units. |
| US09490479B2 |
Non-aqueous electrolyte battery
Provided is a non-aqueous electrolyte battery excellent in initial static characteristics and continuous charge characteristics. The non-aqueous electrolyte battery includes a pellet-shaped positive electrode, a pellet-shaped negative electrode, a separator interposed between the positive and negative electrodes, and a non-aqueous electrolyte. The positive electrode includes a positive electrode active material, aluminum powder, a conductive agent, and a binder. The positive electrode active material contains vanadium pentoxide. The positive electrode has a porosity of 35.6 to 45.4 vol %. The negative electrode includes a negative electrode active material containing silicon, a conductive agent, and a binder. |
| US09490478B2 |
Electrochemical cells comprising fibril materials
The use of fibril materials, such as fibril cellulose materials and other similar materials, in electrochemical cells and components thereof is generally described. |
| US09490476B2 |
Nonaqueous electrolyte secondary battery and manufacturing method thereof
The present invention provides a method of manufacturing a nonaqueous electrolyte secondary battery in which graphite fissuring during rolling of the negative electrode mixture layer is prevented and a deterioration in the performance of the battery is thereby suppressed. The manufacturing method provided by the present invention is a method of manufacturing a nonaqueous electrolyte secondary battery that has a positive electrode and a negative electrode, and includes: a coating step of coating a current collector 22 with a positive electrode mixture 23 containing graphite 25; a magnetic field application step of applying, to the negative electrode mixture 23 made to coat the current collector 22 in the coating step, a magnetic field in which the magnetic lines of force are oriented in one direction parallel to the plane of the current collector 22 coated with the negative electrode mixture 23; a drying step of drying the negative electrode mixture 23 to which the magnetic field has been applied in the magnetic field application step; and a rolling step of rolling a negative electrode mixture layer resulted from the drying step. |
| US09490473B2 |
Stabilized anode for lithium battery and method for its manufacture
Disclosed is an anode for a lithium battery comprising a body of carbon, such as graphitic carbon, having a layer of a Group IV element or Group IV element-containing substance disposed upon its electrolyte contacting surface. Further disclosed is an anode comprising a body of carbon having an SEI layer formed thereupon by interaction of a layer of Group IV element or Group IV element-containing substance with an electrolyte material during the initial charging of the battery. |
| US09490470B2 |
Secondary battery
The secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate and a separator interposed between the first electrode plate and the second electrode plate, a case accommodating the electrode assembly, and a first current collector plate electrically connected to the first electrode plate and having a first fuse part formed at its one side, wherein the first fuse part includes at least two fuse holes spaced apart from each other. |
| US09490467B2 |
Battery pack
A battery pack including a plurality of battery modules including a plurality of battery cells; a plurality of relays connected to output lines of the plurality of battery modules and at least one connection line between battery modules of the plurality of battery modules; a battery control unit connected to the plurality of relays for controlling the plurality of battery cells; and at least one sensor connected to the battery control unit and configured to output a signal to the battery control unit, and the battery control unit is configured to control the plurality of relays in response to the signal outputted from the at least one sensor. |
| US09490463B2 |
Organic/inorganic composite porous film and electrochemical device prepared thereby
Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality. |
| US09490461B2 |
Storage system for passenger vehicle
A passenger vehicle is provided with a seating row that is oriented in a passenger compartment forward of a storage compartment. The seating row has a seat back that is pivotally connected to the vehicle body for providing access to the storage compartment when the seat back is in a collapsed position. A battery having a top surface is mounted within the storage compartment. A receptacle is provided with a back surface that is connected to the top surface of the battery by a panel. The receptacle moves in a fore-and-aft direction relative to the battery between a rearward position within the storage compartment and a forward position within the passenger compartment. A face of the receptacle engages the seat back, and the panel extends from the receptacle to the battery in the forward position for providing a raised platform extending to the passenger compartment. |
| US09490460B2 |
Battery pack of vehicle
A battery pack includes: a battery; a battery case including: a battery tray which contains the battery; and a battery cover which is mounted on the battery tray; a cooling unit provided in an end part of the battery case in a first direction that is a longitudinal direction of the battery case, and supplying a cooling air into the battery case; an air flow passage provided above the battery and extending along the first direction, in a center part in a second direction perpendicular to the first direction inside the battery case, one end of the air flow passage connected to the cooling unit; and an electric cable arranged between the air flow passage and the battery cover, along the first direction, and supplying an electric power of the battery to a motor. |
| US09490458B2 |
Electric vehicle battery with temperature control
A battery is provided, comprising: a battery housing having at least one opening end; a battery cover sealing the at least one opening end; an electric core received in the battery housing, which comprises at least one heat-conducting tube having at least an end penetrating through the battery cover; and an electrolyte filled in a space formed by the battery housing with the battery cover. |
| US09490452B2 |
Light-emitting organic component
A light-emitting organic component is specified, comprising—an organic active region (3), in which light is generated during the operation of the component, and—an uneven light exit surface (6), through which at least part of the light generated in the organic active region (3) emerges from the component, wherein—a multiplicity of optical structures (7) which optically influence the light passing through and/or impinging on them are arranged at the uneven light exit surface (6). |
| US09490451B2 |
Light-emitting element and light-emitting element manufacturing method
A light-emitting element includes: a first electrode; a light-emitting functional layer that is provided on the first electrode, and includes a conductive layer as an uppermost layer thereof; a second electrode that is provided on the conductive layer, and has an undesired opening that corresponds to a region of the conductive layer; and a first passivation layer that is provided on the second electrode except on a periphery of the opening. The region of the conductive layer is oxidized. The light-emitting functional layer includes an organic light-emitting layer, and the conductive layer is provided above the organic light-emitting layer. |
| US09490448B2 |
OLED device packaging method and OLED device packaged with same
The present invention provides an OLED device packaging method and an OLED device packaged with the method. The method includes: (1) providing an OLED substrate (20), wherein the OLED substrate (20) includes an OLED unit (22) formed thereon; (2) using insulation material to form a first frame (24) on the OLED substrate (20), wherein the first frame (24) is arranged around and outside the OLED unit (22); (3) providing a packaging cover (40); (4) using a low-temperature metal conductive adhesive tape to form a second frame (42) on the packaging cover (40) to correspond in position to the first frame (24), wherein the second frame (42) has a frame member width that is smaller than a frame member width of the first frame (24); (5) aligning and laminating the packaging cover (40) that includes the second frame (42) formed thereon and the OLED substrate (20) that comprises the first frame (24) formed thereon in a vacuum environment; and (6) melting the second frame (42) to have the packaging cover (40) and the OLED substrate (20) bonded together. |
| US09490444B2 |
Organic light-emitting element with regulation insulating layer and two-component electron transport layer and method of making
The present invention provides an organic light-emitting element with improved chemical stability at the interface between the light-emitting layer and the electron transport layer, which maintains excellent, stable luminous efficiency for a long period. For this purpose, one aspect of the present invention is an organic EL element having a substrate, and a hole injection layer, a buffer layer, a light-emitting layer, a regulation layer, an electron transport layer and a cathode which are sequentially layered on one side of the substrate. The regulation layer is made of NaF, which is not chemically reactive with the light-emitting layer or the electron transport layer, and the electron transport layer is made of a CT complex using a host material and an n-type dopant, which are both organic materials. |
| US09490443B2 |
Light emitting display device and method for fabricating the same
A light emitting display device and a method for fabricating the same. The light emitting display device includes a substrate, a first electrode arranged on the substrate, a first insulating film arranged on the substrate and including a first opening that exposes a portion of the first electrode, a second insulating film arranged on the first insulating film and including a second opening that exposes the first opening, a light emitting layer including a light emitting material arranged on the exposed portion of first electrode while also being in contact with the first insulating film and a second electrode arranged on the light emitting layer, wherein a difference in wetting between the first electrode and the first insulating film with respect to the light emitting material is lower than a difference in wetting between the first electrode and the second insulating film with respect to the light emitting material. |
| US09490440B2 |
Electrode foil and organic device
An electrode foil which has both the functions of a supporting base material and a reflective electrode and also has superior thermal conductivity; and an organic device using the same are provided. The electrode foil comprises a metal foil and a reflective layer provided directly on the metal foil. |
| US09490439B2 |
Planarization layer for organic electronic devices
The invention relates to organic electronic devices containing polycycloolefin planarization layers between the substrate and a functional layer such as a semiconducting layer, dielectric layer, or electrode; to the use of polycycloolefins as a planarization layer on the substrate of an organic electronic device; and to processes for preparing such polycycloolefin planarization layers and organic electronic devices. |
| US09490436B2 |
Organometallic complex, and light-emitting element and display device using the organometallic complex
Disclosed is an organometallic complex capable of variable phosphorescence characteristics and yellow emission at high luminance. The organometallic complex has a structure represented by a formula (G10), where at least one of R4, R5, R6, and R7 is a phenoxy group, M is a Group 9 metal or a Group 10 metal, and n is 2 when the central metal M is a Group 9 element, or n is 1 when the central metal M is a Group 10 element. |
| US09490432B2 |
Quinoid compounds and their use in semiconducting matrix materials, electronic and optoelectronic structural elements
The invention relates to quinoid compounds and their use in semiconductive matrix materials, electronic and optoelectronic structural elements. |
| US09490430B1 |
Field effect transistors and methods of forming same
Semiconductor devices and methods of forming the same are provided. A first gate electrode layer is formed over a substrate. A first gate dielectric layer is formed over the first gate electrode layer. A first channel layer is formed over the first gate dielectric layer. An isolation layer is formed over the first channel layer. A second channel layer is formed over the isolation layer. A second gate dielectric layer is formed over the second channel layer. The second gate dielectric layer, the second channel layer, the isolation layer and the first channel layer are patterned to form a first opening, the first opening extending through the first gate dielectric layer, the second channel layer and the isolation layer, and into the first channel layer. A first source/drain region is formed in the first opening. |
| US09490429B2 |
Nonvolatile memory device and method for manufacturing same
When a thin channel semiconductor layer formed on a side wall of a stacked film in which insulating films and gate electrodes are alternately stacked together is removed on the stacked film, a contact resistance between a vertical transistor including the channel semiconductor layer and the gate electrode, and a bit line formed on the stacked film is prevented from rising. As its means, a conductive layer electrically connected to the channel semiconductor layer is disposed immediately above the stacked film. |
| US09490428B2 |
Phase-change memory and semiconductor recording/reproducing device
Technology capable of improving performance of a phase-change memory is provided. A recording/reproducing film contains Sn (tin), Sb (antimony), and Te (tellurium) and also contains an element X having a bonding strength with Te stronger than a bonding strength between Sn and Te and a bonding strength between Sb and Te. Here, the recording/reproducing film has a (SnXSb)Te alloy phase, and this (SnXSb)Te alloy phase includes a self-assembled superlattice structure. |
| US09490425B2 |
Semiconductor constructions and memory arrays
Some embodiments include semiconductor constructions having an electrically conductive interconnect with an upper surface, and having an electrically conductive structure over the interconnect. The structure includes a horizontal first portion along the upper surface and a non-horizontal second portion joined to the first portion at a corner. The second portion has an upper edge. The upper edge is offset relative to the upper surface of the interconnect so that the upper edge is not directly over said upper surface. Some embodiments include memory arrays. |
| US09490418B2 |
Acoustic resonator comprising collar and acoustic reflector with temperature compensating layer
An acoustic resonator structure includes an acoustic reflector over a cavity formed in a substrate, the acoustic reflector including a layer of low acoustic impedance material stacked on a layer of high acoustic impedance material. The acoustic resonator further includes a bottom electrode on the layer of low acoustic impedance material, a piezoelectric layer on the bottom electrode, a top electrode on the piezoelectric layer, and a collar formed outside a main membrane region defined by an overlap between the top electrode, the piezoelectric layer and the bottom electrode. The collar has an inner edge substantially aligned with a boundary of or overlapping the main membrane region. The layer of the low acoustic impedance material includes a temperature compensating material having a positive temperature coefficient for offsetting at least a portion of a negative temperature coefficient of the piezoelectric layer, the bottom electrode and the top electrode. |
| US09490416B2 |
Piezoelectric drive circuit
A piezoelectric drive circuit includes a first circuit which applies a voltage to the piezoelectric element and includes a plurality of transistors. A second circuit removes the residual current of the piezoelectric element and includes a plurality of transistors, and among the transistors included in the first circuit and the second circuit, transistors operated by an input signal are simultaneously turned ON/OFF by receiving the same input signal. Thus, when using a piezoelectric element as the air valve, it is possible to reduce leakage of air. |
| US09490415B2 |
Integrated thermoelectric generator
An integrated thermoelectric generator includes a semiconductor. A set of thermocouples are electrically connected in series and thermally connected in parallel. The set of thermocouples include parallel semiconductor regions. Each semiconductor region has one type of conductivity from among two opposite types of conductivity. The semiconductor regions are electrically connected in series so as to form a chain of regions having, alternatingly, one and the other of the two types of conductivity. |
| US09490414B2 |
Fully integrated thermoelectric devices and their application to aerospace de-icing systems
A thermoelectric module and methods for making and applying same provide an integrated, layered structure comprising first and second, thermally conductive, surface volumes, each in thermal communication with a separate respective first and second electrically conductive patterned trace layers, and an array of n-type and p-type semiconducting elements embedded in amorphous silica dielectric and electrically connected between the first and second patterned trace layers forming a thermoelectric circuit. |
| US09490405B2 |
Light emitting diode device and method for production thereof containing conversion material chemistry
In one embodiment, a light emitting device comprises: a lighting element located in a housing, wherein the housing is formed from a polymer composition comprising: a polymer material; and a coated conversion material. The coated conversion material is selected from a coated conversion material, coated yttrium aluminum garnet (YAG) doped with rare earth elements, coated terbium aluminum garnet doped with rare earth elements, coated silicate (BOSE) doped with rare earth elements; coated nitrido silicates doped with rare earth elements; coated nitride orthosilicate doped with rare earth elements, coated oxonitridoaluminosilicates doped with rare earth elements; as well as combinations comprising at least one of the foregoing. After the coated conversion material has been exposed to an excitation source, the coated conversion material has a luminescence lifetime of less than 10−4 seconds when the excitation source is removed. |
| US09490403B2 |
Color converting element and light emitting device including the same
Disclosed are a color converting element and a method for manufacturing the color converting element. The disclosed color converting element includes: first wavelength conversion cells spaced apart from one another; and second wavelength conversion cells arranged among the first wavelength conversion cells. The first and second wavelength conversion cells are made of a material containing glass. The color converting element of the disclosed technology is configured in that color converting cells having different color converting characteristics are periodically arranged, when the color converting element is applied to a color converting glass material which may improve thermal and chemical durability of white LEDs, thus minimizing the degradation of efficiency or luminance caused by an interaction between color converting phosphors or active ions and allowing for ease of adjustment of color rendering index. |
| US09490398B2 |
Manufacturing method of light emitting device in a flip-chip configuration with reduced package size
Provided is an LED device which is compact while having good luminous efficiency and a focused light distribution. This LED device is provided with: a reflective frame around the outer periphery of the LED device; an LED die which has a transparent insulating substrate, a semiconductor layer formed on the bottom surface of the transparent insulating substrate, and an outer connection electrode disposed on the semiconductor layer; and a fluorescent member which is disposed on at least the top surface of the LED die and which converts the wavelength of the light emitted from the LED die. On the inside of the reflective frame is an inclined surface in contact with the lateral surface of the fluorescent member, and the inclined surface is formed such that the inner diameter of the reflective frame widens from the bottom surface towards the top surface of the LED die. Also provided is a manufacturing method of the LED device. |
| US09490397B2 |
Method for producing an optoelectronic semiconductor device, and optoelectronic semiconductor device
A method for producing an optoelectronic thin-film chip semiconductor device is specified. A conductor structure is applied on a carrier and a multiplicity of optoelectronic semiconductor chips are arranged between the conductor structures. Each of the optoelectronic semiconductor chips includes a layer at a top side. Furthermore, electrical connections between semiconductor chip and the conductor structure are established, for instance using a bonding wire. The semiconductor chips and the conductor structure are surrounded with a molded body. The molded body does not project beyond the optoelectronic semiconductor chips at the top side thereof facing away from the carrier. Moreover, the carrier is removed and the semiconductor chips surrounded by molding are singulated. |
| US09490396B2 |
Optoelectronic semiconductor component
An optoelectronic semiconductor component includes an optoelectronic semiconductor chip having side areas, a surface at a top side of the semiconductor chip, and a surface at a bottom side of the semiconductor chip; a shaped body having a surface at a top side of the shaped body and a surface at an underside of the shaped body; at least one plated-through hole including an electrically conductive material; and an electrically conductive connection electrically conductively connected to the semiconductor chip and the plated-through hole, wherein the side areas of the optoelectronic semiconductor chip are covered by the shaped body, and the surface at the top side and/or the surface at the bottom side of the optoelectronic semiconductor chip are completely free of the shaped body. |
| US09490395B2 |
Nanostructure semiconductor light-emitting device
A nanostructure semiconductor light-emitting device includes a base layer formed of a first conductivity-type semiconductor, a first material layer disposed on the base layer and including a plurality of openings, a plurality of light-emitting nanostructures, each of which extends through each of the plurality of openings and includes a nanocore formed of a first conductivity-type semiconductor, an active layer and a second conductivity-type semiconductor shell layer, sequentially disposed on the nanocore, a filling layer disposed on the first material layer, wherein the filling layer fills spaces between the plurality of light-emitting nanostructures and a portion of each of the plurality of light-emitting nanostructures is exposed by the filling layer, a second conductivity-type semiconductor extension layer disposed on the filling layer and covering the exposed portion of each of the plurality of light-emitting nanostructures, and a contact electrode layer disposed on the second conductivity-type semiconductor extension layer. |
| US09490393B2 |
Semiconductor light emitting device with light extraction surface
A semiconductor light emitting device which includes at least one concave on a light extraction surface opposite to a surface on which a semiconductor stack comprising a light emitting layer between a n-type semiconductor layer and a p-type semiconductor layer is mounted. The concave has not less than two slopes each having a different slope angle in a direction that a diameter of the concave becomes narrower toward a bottom of the concave from an opening of the concave and a slope having a gentle slope angle is provided with irregularities and a slope having a steep slope angle is a flat surface. |
| US09490390B2 |
Method of manufacturing light emitting element that includes formation of an insulating layer
A light emitting element for flip-chip mounting having a flat mounting surface which allows a decrease in the width of the streets of a wafer. In the light emitting element, the insulating member filling around the bumps and flattening the upper surface is formed with a margin of a region with a width which is equal to or larger than the width of the streets on the dividing lines, so that at the time of dividing the wafer along the dividing lines, the insulating member is not processed, which allows designing of the streets with a small width. |
| US09490385B2 |
Devices including independently controllable absorption region and multiplication region electric fields
A device includes a first region, a multiplication region, a second region, and an absorption region. The first region is associated with a first terminal, and the second region is associated with a second terminal. The first region is separated from the second region by the multiplication region. The absorption region is disposed on the multiplication region and associated with a third terminal. A multiplication region electric field is independently controllable with respect to an absorption region electric field, based on the first terminal, the second terminal, and the third terminal. |
| US09490384B1 |
Transportable solar power system
A transportable, self-contained, solar power system comprised of a plurality of individual solar power arrays, each array being contained within a transportable frame. Each array is folded into a frame during transportation. Upon reaching a desired location, the frame is positioned at a desired location. The frame then acts as a base while its solar power array is activated and deployed. The array has the capability of tracking the position of the sun during deployment. Each frame has a global positioning system (GPS) and a controller containing a chart of sun locations for a given location. The controller positions a frame's solar array to maximize the array's exposure to the sun. Each frame has a battery system, enabling a frame's solar array to self-start after a period of darkness. |
| US09490383B2 |
Solar module
A solar module is provided which has improved durability. A third wiring member (32a) includes a first portion (32a1), a second portion (32a2), and a third portion (32a3). In the first portion (32a1), metal foil (52) faces a solar cell (20). The first portion (32a1) is electrically connected to the solar cell (20). The second portion (32a2) is arranged on the solar cell (20) with the metal foil (52) facing the side opposite to the solar cell (20). The third portion (32a3) connects the first portion (32a1) and the second portion (32a2). A first wiring member (32b) electrically connects the second portions (32a2) of adjacent solar cell strings (10) to each other. The solar module (1) also includes an insulating sheet (60). The insulating sheet (60) is arranged between the first wiring member (32b) and the solar cell (20). |
| US09490380B2 |
Metal matrix composite and method for producing the same
A metal matrix composite having high corrosion resistance even if the coating film deposit amount is low is obtained. A metal matrix composite includes a metal or alloy substrate coated with a molten transition metal oxide glass, wherein the transition metal oxide glass has an n-type polarity. Further, a method for producing a metal matrix composite includes a step of applying a paste containing a transition metal oxide glass, an organic binder, and an organic solvent onto the surface of a metal or alloy substrate, and a step of forming a glass coating film on the substrate by heating to and maintaining a temperature equal to or higher than the softening point of the transition metal oxide glass after the application step, wherein the transition metal oxide glass has an n-type polarity. |
| US09490377B2 |
Use of a uniform layer of insulating material in back-contact solar cells
A uniform layer of insulating material is used to separate the connectors from the non-illuminated side of a back-contact solar cell, particularly a cell of the MWT type, the layer preferably being a uniform woven or non-woven fabric of a heat-resistant material such as glass fiber, and the electrical connection between the contact points of the cell and the connectors being made through the uniform layer thereby partially embedding the insulating material in the connection. |
| US09490376B2 |
Solar cell module
A solar cell module according to an embodiment of the invention includes a plurality of solar cells each including a substrate, a first electrode current collector which is positioned at a first edge of a back surface of the substrate and extends in a first direction, and a second electrode current collector which is positioned at a second edge of the back surface of the substrate and extends in the first direction, a conductive adhesive film contacting a first electrode current collector of a first solar cell of the plurality of solar cells, or a second electrode current collector of a second solar cell adjacent to the first solar cell, or both, and an interconnector which contacts the conductive adhesive film and electrically connects the adjacent first and second solar cells to each other. |
| US09490371B2 |
Nonvolatile memory devices and methods of fabricating the same
A nonvolatile memory device includes a gate structure including inter-gate insulating patterns that are vertically stacked on a substrate and gate electrodes interposed between the inter-gate insulating patterns, a vertical active pillar connected to the substrate through the gate structure, a charge-storing layer between the vertical active pillar and the gate electrode, a tunnel insulating layer between the charge-storing layer and the vertical active pillar, and a blocking insulating layer between the charge-storing layer and the gate electrode. The charge-storing layer include first and second charge-storing layers that are adjacent to the blocking insulating layer and the tunnel insulating layer, respectively. The first charge-storing layer includes a silicon nitride layer, and the second charge-storing layer includes a silicon oxynitride layer. |
| US09490369B2 |
Semiconductor device
High field-effect mobility is provided for a transistor including an oxide semiconductor. Further, a highly reliable semiconductor device including the transistor is provided. In a bottom-gate transistor including an oxide semiconductor layer, an oxide semiconductor layer functioning as a current path (channel) of the transistor is sandwiched between oxide semiconductor layers having lower carrier densities than the oxide semiconductor layer. In such a structure, the channel is formed away from the interface of the oxide semiconductor stacked layer with an insulating layer in contact with the oxide semiconductor stacked layer, i.e., a buried channel is formed. |
| US09490368B2 |
Semiconductor device and manufacturing method of the same
One object is to provide a semiconductor device including an oxide semiconductor, which has stable electric characteristics and high reliability. Another object is to manufacture a highly reliable semiconductor device in a high yield. In a top-gate staggered transistor including an oxide semiconductor film, as a first gate insulating film in contact with the oxide semiconductor film, a silicon oxide film is formed by a plasma CVD method with use of a deposition gas containing silicon fluoride and oxygen; and as a second gate insulating film stacked over the first gate insulating film, a silicon oxide film is formed by a plasma CVD method with use of a deposition gas containing silicon hydride and oxygen. |
| US09490366B2 |
Thin film transistor, amorphous silicon flat detection substrate and manufacturing method
A thin film transistor, an amorphous silicon flat detection substrate and a manufacturing method are provided. The material for a source electrode and a drain electrode of the thin film transistor is a conductor converted from the material for the amorphous metal oxide active layer by depositing an insulating substance containing hydrogen ions not less than a preset value, which reduces the valence band level difference between the source and the drain electrodes and the active layer, realizes good lattice matching and improves electricity characteristics of the thin film transistor. |
| US09490365B2 |
Structure and formation method of fin-like field effect transistor
A structure and a formation method of a semiconductor device are provided. The semiconductor device includes a semiconductor substrate and a fin structure over the semiconductor substrate. The semiconductor device also includes a gate stack covering a portion of the fin structure and an epitaxially grown source/drain structure over the fin structure and adjacent to the gate stack. The semiconductor device further includes a semiconductor protection layer over the epitaxially grown source/drain structure. The semiconductor protection layer has an atomic concentration of silicon greater than that of the epitaxially grown source/drain structure. |
| US09490363B2 |
Tunneling field effect transistor having a three-side source and fabrication method thereof
The present invention discloses a tunneling field effect transistor having a three-side source and a fabrication method thereof, referring to field effect transistor logic devices and circuits in CMOS ultra large scale integrated circuits (ULSI). By means of the strong depletion effect of the three-side source, the transistor can equivalently achieve a steep doping concentration gradient for the source junction, significantly optimizing the sub-threshold slope of the TFET. Meanwhile, the turn-on current of the transistor is boosted. Furthermore, due to a region uncovered by the gate between the gate and the drain, the bipolar conduction effect of the transistor is effectively inhibited, and on the other hand, in the small-size transistor a parasitic tunneling current at the corner of the source junction is inhibited. The fabrication method is simple and can be accurately controlled. By forming the channel region using an epitaxy method subsequent to etching, it facilitates to form a steeper doping concentration gradient for the source region or form a hetero-junction. Moreover, the fabrication flow of the post-gate process facilitates to integrate a high-k gate dielectric/a metal gate having good quality, further improving the performance of the transistor. |
| US09490361B2 |
Canyon gate transistor and methods for its fabrication
Lithographic limitations on gate and induced channel length in MOSFETS are avoided by forming non-planar MOSFETS in a cavity extending into a semiconductor substrate. The gate insulator and channel region lie proximate a cavity sidewall having angle α preferably about ≧90 degrees with respect to the semiconductor surface. The channel length depends on the bottom depth of the cavity and the depth from the surface of a source or drain region adjacent the cavity. The corresponding drain or source lies at the cavity bottom. The cavity sidewall extends therebetween. Neither depth is lithographic dependent. Very short channels can be consistently formed, providing improved performance and manufacturing yield. Source, drain and gate connections are brought to the same surface so that complex circuits can be readily constructed. The source and drain regions are preferably formed epitaxially and strain inducing materials can be used therein to improve channel carrier mobility. |
| US09490355B2 |
Silicon carbide static induction transistor and process for making a silicon carbide static induction transistor
A static induction transistor is formed on a silicon carbide substrate doped with a first conductivity type. First recessed regions in a top surface of the silicon carbide substrate are filled with epitaxially grown gate regions in situ doped with a second conductivity type. Epitaxially grown channel regions in situ doped with the first conductivity type are positioned between adjacent epitaxial gate regions. Epitaxially grown source regions in situ doped with the first conductivity type are positioned on the epitaxial channel regions. The bottom surface of the silicon carbide substrate includes second recessed regions vertically aligned with the channel regions and silicided to support formation of the drain contact. The top surfaces of the source regions are silicided to support formation of the source contact. A gate lead is epitaxially grown and electrically coupled to the gate regions, with the gate lead silicided to support formation of the gate contact. |
| US09490349B1 |
Method of manufacturing a semiconductor device
A method of manufacturing a semiconductor device, which includes the steps of forming a gate stack structure made up of a floating gate, an inter-poly dielectric, a control gate and a metal layer on a substrate, forming a conformal liner on the gate stack structure, covering a mask layer on the liner, where the mask layer is lower than the metal layer so that a portion of the liner is exposed, and performing a nitridation treatment to transform the exposed liner into a nitrided liner, so that at least the portion of the metal layer in the gate stack structure is covered by the nitrided liner. |
| US09490336B1 |
Fabrication methodology for optoelectronic integrated circuits
A method of forming an integrated circuit includes depositing a multilayer metal stack on at least one contact layer of semiconductor material. The multilayer metal stack includes a bottom interface layer formed by a combination of indium and at least one high temperature metal on the at least one contact layer of semiconductor material, at least one barrier layer formed on the bottom interface layer, and a layer formed from at least one high temperature metal on the at least one barrier layer. The metal stack is heated such that indium of the bottom interface layer forms a low resistance interface to contact layer. The at least one barrier layer functions as a barrier to diffusion of indium from the bottom interface layer. Subsequent to the heating, the resultant multilayer metal stack can be patterned to form at least one electrode for a given device of the integrated circuit. |
| US09490334B2 |
Semiconductor device having metal gate and manufacturing method thereof
A semiconductor device having metal gate includes a substrate, a first metal gate positioned on the substrate, and a second metal gate positioned on the substrate. The first metal gate includes a first work function metal layer, and the first work function metal layer includes a taper top. The second metal gate includes a second work function metal layer. The first work function metal layer and the second work function metal layer are complementary to each other. |
| US09490332B1 |
Atomic layer doping and spacer engineering for reduced external resistance in finFETs
A structure includes a fin having a gate structure disposed on a portion of a surface and an initial spacer layer disposed on the fin and gate structure. There are vertical steps in the fin adjacent to outer surfaces of the initial dielectric layer on first and second sides of the gate structure. The structure further has a dopant source layer on exposed surfaces of the fin and vertical steps; a secondary spacer disposed over the initial spacer and over a portion of the dopant source layer disposed on the vertical steps, and first and second RSDs abutted against outer sidewalls of the secondary spacer structure. In the structure there are diffused dopant atoms disposed in the fin beneath the secondary spacer and the initial spacer and towards a channel region that underlies the gate structure. A method to fabricate the structure is also disclosed, where the method includes ALDo. |
| US09490328B2 |
Silicon carbide semiconductor device and manufacturing method of the same
In order to provide a high-performance and reliable silicon carbide semiconductor device, in a silicon carbide semiconductor device including an n-type SiC epitaxial substrate, a p-type body layer, a p-type body layer potential fixing region and a nitrogen-introduced n-type first source region formed in the p-type body layer, an n-type second source region to which phosphorus which has a solid-solubility limit higher than that of nitrogen and is easily diffused is introduced is formed inside the nitrogen-introduced n-type first source region so as to be separated from both of the p-type body layer and the p-type body layer potential fixing region. |
| US09490324B2 |
N-polar III-nitride transistors
An N-polar III-N transistor includes a III-N buffer layer, a first III-N barrier layer, and a III-N channel layer, the III-N channel layer having a gate region and a plurality of access regions on opposite sides of the gate region. The compositional difference between the first III-N barrier layer and the III-N channel layer causes a conductive channel to be induced in the access regions of the III-N channel layer. The transistor also includes a source, a gate, a drain, and a second III-N barrier layer between the gate and the III-N channel layer. The second III-N barrier layer has an N-face proximal to the gate and a group-III face opposite the N-face, and has a larger bandgap than the III-N channel layer. The lattice constant of the first III-N barrier layer is within 0.5% of the lattice constant of the buffer layer. |
| US09490320B2 |
Uniaxially strained nanowire structure
Uniaxially strained nanowire structures are described. For example, a semiconductor device includes a plurality of vertically stacked uniaxially strained nanowires disposed above a substrate. Each of the uniaxially strained nanowires includes a discrete channel region disposed in the uniaxially strained nanowire. The discrete channel region has a current flow direction along the direction of the uniaxial strain. Source and drain regions are disposed in the nanowire, on either side of the discrete channel region. A gate electrode stack completely surrounds the discrete channel regions. |
| US09490317B1 |
Gate contact structure having gate contact layer
There is set forth herein a gate contact structure for a gate. The gate contact structure can include a first contact layer and a second contact layer. In one embodiment, a gate contact layer can define a contact that provides a gate tie down. In one embodiment, a gate contact layer can have a minimum width larger than a gate length. |
| US09490316B2 |
Semiconductor structure with silicon oxide layer having a top surface in the shape of plural hills and method of fabricating the same
A semiconductor structure is provided. The semiconductor structure includes a substrate, a silicon oxide layer disposed on the substrate, and at least part of a gate electrode covering the silicon oxide layer. A top surface of the silicon oxide layer is in the shape of plural hills. The silicon oxide layer can provide low on-state resistance for the semiconductor structure. |
| US09490313B2 |
Vertical meander inductor for small core voltage regulators
Vertical meander inductors for small core voltage regulators and approaches to fabricating vertical meander inductors for small core voltage regulators are described. For example, a semiconductor die includes a substrate. An integrated circuit is disposed on an active surface of the substrate. An inductor is coupled to the integrated circuit. The inductor is disposed conformal with an insulating layer disposed on an essentially planar surface of the substrate. The insulating layer has an undulating topography. |
| US09490310B2 |
Manufacturing method and structure of thin film transistor backplane
The present invention provides a manufacture method of a thin film transistor backplane, comprising steps of: providing a substrate (20) with a gate (21), an insulation layer (22) and a semiconducting layer (23); sequentially forming a second metal layer, a reflecting electrode layer and a conductive oxide layer on the substrate (20); implementing one photolithographic process to the second metal layer, the reflecting electrode layer and the conductive oxide layer to pattern the second metal layer, the reflecting electrode layer and the conductive oxide layer for respectively forming a source/a drain (253), a reflecting electrode (252) and a pixel electrode (251), and the source/the drain (253) are connected to the semiconducting layer (23; forming a protective layer on the source/the drain (253), the reflecting electrode (252) and the pixel electrode (251; forming a flat and pixel defining layer (27) on the protective layer (26); forming a photospacer (28) on the flat and pixel defining layer (27). |
| US09490309B2 |
Semiconductor device and method for manufacturing the same
An object is to realize a hermetically sealed package which ensures long-term airtightness inside the package by sealing using a substrate, or a sealing structure for reducing destruction caused by pressure from the outside. A frame of a semiconductor material is provided over a first substrate, which is bonded to a second substrate having a semiconductor element so that the semiconductor element is located inside the frame between the first substrate and the second substrate. The frame may be formed using, as frame members, two L-shaped semiconductor members in combination or four or more stick semiconductor members in combination. |
| US09490308B2 |
Organic light-emitting diode display
An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a stretchable substrate, a thin film transistor (TFT) formed over the stretchable substrate and including a plurality of electrodes, an OLED electrically connected to the TFT and including a plurality of electrodes, and a plurality of interconnection lines connected to the electrodes of the OLED and the TFT. At least one of the interconnection lines is configured to move in a stretching direction and rotate an electrode selected from the electrodes of the OLED and the TFT connected to the at least one interconnection line. |
| US09490307B2 |
Organic light-emitting diode (OLED) display
An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a display substrate including first and second surfaces opposing each other. The OLED display further includes a touch sensing layer formed over the encapsulation substrate and configured to sense a touch input, a display flexible printed circuit board electrically attached to the second surface of the display substrate, and a touch flexible printed circuit board electrically connected to the touch sensing layer and attached to the second surface of the display substrate. An impact absorbing layer is formed over the second surface of the display substrate and attaches the display flexible printed circuit board and the touch flexible printed circuit board to the second surface of the display substrate. The impact absorbing layer includes a metal layer electrically connected to the display flexible printed circuit board and the touch flexible printed circuit board. |
| US09490306B2 |
Display device
A display device includes an accommodating member in which an inner space is defined, a display panel accommodated in the inner space in the accommodating member, and an energy generating module disposed between the accommodating member and the display panel and which produces a triboelectricity, where the energy generating module includes a first electrified substrate fixed to the accommodating member and a second electrified substrate disposed on the first electrified substrate, the second electrified substrate moves relative to the first electrified substrate by a frictional event, and the triboelectricity is produced by the relative movement between the first and second electrified substrates. |
| US09490302B2 |
Display device and manufacturing method thereof
A display device includes a substrate, and a group pixel on the substrate, the group pixel comprising at least two pixels that represent the same color, wherein in the group pixel, a distance between the pixels is smaller than a distance between adjacent pixels of different group pixels. |
| US09490301B2 |
OLED structure and manufacturing method thereof
Disclosed are an OLED structure and a manufacture method thereof. The OLED structure includes: a substrate, an over coat layer on the substrate and a micro-cavity on the over coat layer; an upper surface of the over coat layer away from the substrate appears a wavy fluctuation having raised peaks and depressed troughs smoothly joined with the raised peaks, and the micro-cavity appears a wavy fluctuation in accordance with the upper surface of the over coat layer to eliminate directionality issues of luminous intensity and color for realizing wide view angle display. |
| US09490299B2 |
Variable resistance memory device
A variable resistance memory device and a method of manufacturing the same are provided. The variable resistance memory device includes a first insulating layer formed on a semiconductor substrate, the first insulating layer having a first hole formed therein. A switching device is formed in the first hole. A second insulating layer is formed over the first insulating layer and the second insulating layer includes a second hole. A lower electrode is formed along a surface of the second insulating layer that defines the second hole. A spacer is formed on the lower electrode and exposes a portion of the surface of the lower electrode. A variable resistance material layer is formed in the second hole, and an upper electrode is formed on the variable resistance material layer. |
| US09490297B1 |
Half select method and structure for gating rashba or spin hall MRAM
The present disclosure generally relates to SHE-MRAM memory cells. A memory cell array comprises one or more memory cells, wherein each of the one or more memory cells comprises a gate electrode, an insulating layer, a spin orbit material electrode, a MTJ, and a top electrode parallel to the gate electrode. The gate electrode and the top electrode are perpendicular to the spin orbit material electrode. By applying a voltage to the gate electrode, passing a current along the spin orbit material electrode, and utilizing Rashba and/or spin hall effects, writability of select memory cells is enhanced, allowing for individual memory cells to be written upon without disturbing neighboring memory cells. Additionally, Rashba and/or spin hall effects in neighboring memory cells may be suppressed to ensure only the selected memory cell is written. |
| US09490296B2 |
Systems and methods for fabrication of superconducting integrated circuits
Various techniques and apparatus permit fabrication of superconductive circuits and structures, for instance Josephson junctions, which may, for example be useful in quantum computers. For instance, a low magnetic flux noise trilayer structure may be fabricated having a dielectric structure or layer interposed between two elements or layers capable of superconducting. A superconducting via may directly overlie a Josephson junction. A structure, for instance a Josephson junction, may be carried on a planarized dielectric layer. A fin may be employed to remove heat from the structure. A via capable of superconducting may have a width that is less than about 1 micrometer. The structure may be coupled to a resistor, for example by vias and/or a strap connector. |
| US09490295B2 |
Optoelectronic device and method for manufacturing the same
An optoelectronic device including a substrate having a first site, a second side opposite to the first side, and an outer boundary; a light emitting unit formed on the first side; a first electrode electrically connected to the light emitting unit; a second electrode electrically connected to the light emitting unit; and a heat dissipation pad formed between the first electrode and the second electrode and electrically insulated from the light emitting unit. |
| US09490289B2 |
Image sensing device and camera
An image sensing device includes a plurality of photoelectric conversion portions. The device further includes a semiconductor substrate having a first surface for receiving incident light and a second surface on an opposite side to the first surface, the photoelectric conversion portions being provided therein, a first non-metal region arranged on a second surface side and arranged at a position at least partially overlapping with the photoelectric conversion portions, a second non-metal region arranged to be in contact with a side surface of the first non-metal region, and a reflection layer arranged on an opposite side of the first non-metal region to the semiconductor substrate. A refractive index of the first non-metal region is higher than a refractive index of the second non-metal region. |
| US09490283B2 |
Active pixel sensor with nanowire structured photodetectors
An imaging device formed as an active pixel array combining a CMOS fabrication process and a nanowire fabrication process. The pixels in the array may include a single or multiple photogates surrounding the nanowire. The photogates control the potential profile in the nanowire, allowing accumulation of photo-generated charges in the nanowire and transfer of the charges for signal readout. Each pixel may include a readout circuit which may include a reset transistor, charge transfer switch transistor, source follower amplifier, and pixel select transistor. A nanowire is generally structured as a vertical rod on the bulk semiconductor substrate to receive light energy impinging onto the tip of the nanowire. The nanowire may be configured to function as either a photodetector or a waveguide configured to guild the light to the substrate. Light of different wavelengths can be detected using the imaging device. |
| US09490282B2 |
Photosensitive capacitor pixel for image sensor
An image sensor pixel, and image sensor, and a method of fabricating the same is disclosed. The image pixel includes a photosensitive capacitor and a transistor network. The photosensitive capacitor includes an electrode, a conductive layer, a dielectric layer, and a photosensitive semiconductor material. The conductive layer is disposed around the electrode and the dielectric layer is formed between the conductive layer and the electrode. The photosensitive semiconductor material is for generating an image signal in response to image light and is disposed between the dielectric layer and the electrode. The transistor network is coupled to readout the image signal from the electrode of the photosensitive capacitor. |