Document Document Title
US09867319B2 Vehicle power module assemblies and manifolds
A vehicle power module assembly includes a modular manifold, an upper frame, and a plurality of power stages. The modular manifold includes a first base unit defining an inlet chamber, a second base unit defining an outlet chamber, a mid-unit defining one or more ports open to the chambers, and an upper unit defining a first set of slots and a second set of slots in fluid communication with the chambers via the ports. The plurality of power stages is housed within the frame and each of the power stages are spaced from one another to define inner channels therebetween. The chambers, channels, and ports are arranged with one another such that coolant flowing through the inner channels is in thermal communication with the power stages. The mid-unit may further include flow guides each sized to partially extend into one of the inner channels.
US09867316B2 Cooling apparatus for switchgear with heat pipe structure having integrated busbar tube
A cooling apparatus is provided for a switchgear. The switchgear has one or more primary contacts constructed and arranged to connect to a terminal of a circuit breaker. The cooling apparatus includes an evaporator constructed and arranged to be associated with each primary contact. A condenser is located at a higher elevation than the evaporator. Fluid conduit structure fluidly connects the evaporator with the condenser. A portion of the fluid conduit structure defines a busbar tube electrically connected with an associated primary contact and defining a busbar of the switchgear. Working fluid is in the evaporator so as to be heated to a vapor state, with the fluid conduit structure being constructed and arranged to transfer the vapor to the condenser and to passively return condensed working fluid back to the evaporator for cooling the at least one primary contact and the associated busbar tube.
US09867315B2 Server memory cooling apparatus
A system to aid in cooling an in-line memory module may include a heat spreader including a channel to accommodate the in-line memory module, thermal interface material, and a liquid-cooler block including a heat-conducting cold plate and an internal liquid channel filled with circulating cooling liquid. Also disclosed are systems employing tubes to convey cooling fluid.
US09867314B2 Method for controlling temperature of inverter system by controlling a fan
A method for controlling temperature of an inverter system having an inverter and a cooling fan is provided, the method including: obtaining an internal temperature of the inverter and a DC (Direct Current)-link voltage of the inverter; and outputting a fan driving control signal for driving the fan or maintaining the fan being driven to the fan, when the internal temperature is above a predetermined fan drive setting temperature and the DC-link voltage is above a predetermined fan drive setting voltage.
US09867312B2 Electronic module and heat dissipation module
An electronic module includes a substrate, a metallic shielding cover, an electronic component and a piezoelectric element. The metallic shielding cover is disposed on the substrate and forms an accommodating chamber together with the substrate, wherein the metallic shielding cover has an opening, and the accommodating chamber is communicated with outside via the opening. The electronic component is disposed on the substrate and accommodated in the accommodating chamber. The piezoelectric element is adhered to the metallic shielding cover, wherein the piezoelectric element after being enabled is configured to bring a local portion of the metallic shielding cover for vibrating to change the volume of the accommodating chamber. In addition, a heat dissipation module is also disclosed.
US09867311B2 Server cable management structure
A server cable management structure includes a first arm member and a second arm member respectively pivotally coupled to the outer and inner sliding rails of a sliding rail assembly which is connected to a drawer of a server. An intermediate arm member is pivotally coupled between the first and second arm members, and a sliding bar is slidably coupled to the first arm member, with at least one spring member connected between the first arm member and the sliding bar, and a connection frame connected to the sliding bar and pivotally connected to the outer sliding rail. The inner sliding rail is movable outward a first distance when the first arm member is fully extended outward relative to the second arm member, and outward a further distance while stretching the at least one spring member when the sliding bar is fully extended outward relative to the first arm member.
US09867308B2 Slide rail assembly
A slide rail assembly includes a first rail, a second rail, a bracket base, a supporting base, and a contact member. The second rail is movably connected to, and longitudinally displaceable relative to, the first rail. The bracket base is connected to the first rail. The supporting base is movably mounted to the bracket base. The contact member is fixedly attached to the second rail and has a contact portion. The supporting base has a first feature corresponding to the contact portion of the contact member. When the second rail is pulled out relative to the first rail, the supporting base is displaced by the contact member so as to support the second rail.
US09867307B2 Information processing apparatus
An information processing apparatus includes a lower unit having a circuit board on which first electronic components are mounted and also having a chassis in which the circuit board is mounted at a bottom, an upper surface of the chassis being open; and an upper unit having a tray member detachably attached to the chassis and also having second electronic components mounted at a bottom of the tray member, the upper unit being stacked on the lower unit; wherein the upper unit has a connector board attached to the tray member, having a first and a second connectors, the first connector being fitted to a board-side connector on the circuit board, the second connector being electrically connected to the second electronic components, and an opening is formed at the bottom of the tray member, the first connector and the board-side connector being mutually fitted through the opening.
US09867306B2 Electronic device capable of being flexibly configured with modules of different specifications
An electronic device capable of being configured flexibly with modules of different specifications includes: a main body having a slot opening formed at the front of the main body and communicated with a slot space in the main body, slot rails disposed on at least one sidewall of the slot space of the main body and module slots communicated with the slot rails respectively; and a modular device, including electronic modules, each having at least one module rail slidably coupled to the slot rail. The module slots in the slot space are configured to be corresponsive to the module spaces respectively, and the module spaces serve as plug-in spaces for installing the electronic module and the module spaces are communicated with one another. The electronic device provides module application spaces for multifunctional applications and installing and applying modules of different specifications flexibly.
US09867301B2 Systems and methods for cover assembly retention of a portable electronic device
This is directed to systems and methods for cover assembly retention of a portable electronic device. In some embodiments, a cover assembly and/or housing of an electronic device can include one or more retention features such as detents, hooks, tabs, extensions, screw plates, screw holes, shuttles, latches, or any combination of the above, for retaining the cover assembly to the housing. In some embodiments, one or more retention features can be included on an internal platform of the electronic device to retain the cover assembly. In some embodiments, a hidden screw feature can be included in a SIM tray slot of the electronic device. Once a SIM tray has been inserted into the SIM tray slot, the screw feature can be hidden from sight and may become unapparent to an end user of the electronic device.
US09867297B2 Storage device
According to one embodiment, a storage device includes an enclosure, and a circuit board assembly in the enclosure. The circuit board assembly includes a first circuit board, a second circuit board opposed to the first circuit board, a third circuit board opposed to the second circuit board, a first connector connecting the first and second circuit boards to each other, a second connector connecting the second and third circuit boards to each other, and is offset to the first connector in a plane direction, a first spacer between the first and second circuit boards, and a second spacer between the second and third circuit boards. The first spacer includes a support body at a position opposed to the second connector and in contact with the first and second circuit boards.
US09867296B2 Printed circuit board and package substrate
A printed circuit board includes an insulating substrate, a plurality of pads on a top surface of the insulating substrate, a protective layer formed on the insulating substrate and having an opening to expose top surfaces of the pads, a bump formed on at least one of the pads and protruding upward of a surface of the protective layer. The bump has a curved lateral side.
US09867293B1 Method and system of controlling alloy composition during electroplating
A method of controlling alloy composition of deposited gold-tin alloy during electroplating of a large panel includes masking at least one planar surface of the panel with conductive material applied in a predetermined pattern. The masked panel is located at least partially within an electroplating solution including a gold-tin alloy in solution at a predetermined gold:tin ratio. Electrical current applied to the masked panel is conducted across the planar surface via the conductive material to induce a predetermined electrical current distribution across the planar surface and thereby pull gold ions and tin ions from the electroplating solution. The pulled ions are deposited upon a supermajority of an unmasked area of the masked panel. The predetermined pattern is selected to achieve deposition of the gold-tin alloy with substantially uniform alloy composition, directly corresponding to the predetermined gold:tin ratio, across the supermajority of the unmasked area of the masked panel.
US09867291B2 Embedded coplanar interconnect
A first printed circuit board (PCB) assembly can include an embedded electrical connector configured to be mechanically coupled to a corresponding tab-shaped portion of a second PCB assembly, such as to permit insertion of the tab-shaped portion of the second PCB assembly into the embedded electrical connector when the second PCB assembly is aligned in a specified orientation. In an example, the second PCB assembly can include an approximately planar conductive antenna.
US09867284B2 Warpage control with intermediate material
A mounting device for mounting electronic components, wherein the mounting device comprises an electrically conductive structure having a first value of thermal expansion in at least one pre-defined spatial direction, an electrically insulating structure having a second value of thermal expansion in the at least one pre-defined spatial direction being different from the first value and being arranged on the electrically conductive structure, and a thermal expansion adjustment structure having a third value of thermal expansion in the at least one pre-defined spatial direction, wherein the third value is selected and the thermal expansion adjustment structure is located so that thermally induced warpage of the mounting device resulting from a difference between the first value and the second value is at least partially compensated by the thermal expansion adjustment structure.
US09867283B2 Package board and prepreg
A package board includes a stack structure that includes a circuit layer and a fiber layer. The fiber layer includes at least one first fiber that extends in a first direction and is a non-woven fiber. Also, a prepreg includes a first fiber that is a non-woven fiber; a plurality of second fibers that are spaced apart from the first fiber and are woven fibers; and an insulating layer that fills gaps between the first fiber and the plurality of second fibers.
US09867279B2 Electronic device for vehicles
An electronic device includes: a printed circuit board; a conductive casing; and a connecting part. The printed circuit board is mounted with an electronic component to configure a predetermined electronic circuit. The conductive casing stores the printed circuit board. The connecting part is arranged between the conductive casing and the printed circuit board, and is configured to be capacitively coupled with a conductor pattern of the printed circuit board so as to guide radiation noise from the printed circuit board to the conductive casing.
US09867273B2 Printed circuit, thin film transistor and manufacturing method thereof
A printed circuit, a thin film transistor and manufacturing methods thereof are provided. The printed circuit includes a plurality of metal nanostructures and a metal oxide layer. The metal oxide layer is disposed on a surface of the metal nanostructures and fills a space at an intersection of the metal nanostructures. The metal oxide layer disposed on the surface of the metal nanostructures has a thickness of 0.1 nm to 10 nm.
US09867270B2 Electromagnetic wave emission device
The purpose of the present invention is to provide an electromagnetic wave emission device in which the destination to which an electromagnetic wave is supplied can be switched among a plurality of emission antennas, wherein there are no problems such as breakage of a switching element even in a case where a large-power electromagnetic wave is emitted. The present invention is an electromagnetic wave emission device characterized by the following: an electromagnetic wave output from an electromagnetic wave generator is distributed to a plurality of emission antennas, and then from among the plurality of emission antennas, a target antenna having plasma nearby is supplied with an electromagnetic wave distributed to the target antenna and all or part of the electromagnetic waves reflected by the emission antennas other than the target antenna; and the all or part of the electromagnetic waves distributed to the target antenna and all or part of the electromagnetic waves supplied to the target antenna after reflection by the emission antennas other than the target antenna are emitted from the target antenna to the plasma.
US09867268B2 Cooling plasma torch nozzles and related systems and methods
In some aspects, nozzles for a plasma arc torch can include a first body having a first end, a second end, and a longitudinal axis; and a second body disposed about a portion of the first body to complement the first body, the second body defining a set of channels formed on an internal surface shaped to form a set of liquid flow passages between the first body and the second body, the second body at least partially defining at least one inlet and at least one outlet to the set of liquid flow passages.
US09867265B2 Discharge lamp driving device, projector, and discharge lamp driving method
A discharge lamp driving device according to one aspect of the invention includes a discharge lamp driving section configured to supply a driving current to a discharge lamp including electrodes and a control section configured to control the discharge lamp driving section. The control section controls the discharge lamp driving section such that a mixed period is provided in which a first period in which an alternating current having a first frequency is supplied to the discharge lamp and a second period in which a direct current is supplied to the discharge lamp are alternately repeated. The first frequency includes a plurality of frequencies different from one another. The control section temporally changes the length of the first period.
US09867260B2 Lighting controller
An automation system includes a lighting controller having a WiFi interface through which wireless communication may be established with one or more mobile devices such as smartphones, tablets and the like. Using a mobile device, an installer may rapidly and reliably configure the lighting controller including creating or modifying bindings and settings for keypads which are associated with the lighting controller. The lighting controller includes a dynamic snubber circuit which automatically adjusts itself to operate with different types of loads.
US09867257B2 System and driving method for light emitting device display
A light emitting device display, its pixel circuit and its driving technique is provided. The pixel includes a light emitting device and a plurality of transistors. A bias current and programming voltage data are provided to the pixel circuit in accordance with a driving scheme so that the current through the driving transistor to the light emitting device is adjusted.
US09867244B2 Arbitrarily sizable broad-area lighting system
In accordance with certain embodiments, lighting systems feature lightsheets including multiple illumination units or modules electrically interconnected such that unremoved illumination units or modules remain energized upon removal of at least a portion of one or more illumination units or modules.
US09867242B1 System and method of operating a constant current light-emitting diode pulsing drive circuit
Tuning a bias voltage supplied to a series of one or more LEDs in a constant current LED pulsing drive circuit may comprise the steps of: (A) setting the bias voltage to a test value, the test value being at least equal to the sum of the bias voltage second component and the maximum forward voltage rating of each of the one or more LEDs; (B) measuring an intermediate voltage present between the series of one or more LEDs and the constant current source when the LEDs are turned on; (C) determining if the intermediate voltage exceeds the second component of the bias voltage; and (D) upon determining the intermediate voltage exceeds the second component of the bias voltage, reducing the bias voltage applied to the one or more LEDs by an amount necessary to cause the intermediate voltage to equal the second component of the bias voltage.
US09867239B2 Light emiting diode (LED) tube lamp capable of adapting to different driving environments
An LED tube lamp includes a lamp tube having a first pin and a second pin for receiving an external driving signal; a first rectifying circuit for rectifying the external driving signal to produce a rectified signal; a filtering circuit for filtering the rectified signal to produce a filtered signal; an LED lighting module configured to receive the filtered signal for emitting light; and a ballast detection circuit coupled to the first pin or the second pin, and coupled to the first rectifying circuit. The ballast detection circuit includes a switching circuit, and is for detecting whether the external driving signal comes from a ballast. And the ballast detection circuit is configured to control, based on a result of the detection, current conduction or cutoff of the switching circuit, to determine whether to conduct current by the switching circuit, which current bypasses a circuit path other than the switching circuit.
US09867232B2 Heating element and process heater
A heating element for heating gases to high temperatures includes at least one tube arranged for the flow of gas to be heated and an electrical heating wire in the tube, which transfers heat to the gas flowing past. A process heater and a corresponding heating element are provided to permit generation of gas temperatures up to 1000° C. or above and having a lifespan 10 times longer than conventional heating coils. The heating wire is formed as a heating rod extending along the tube axis, whose maximum clear distance to the inner wall of the tube does not exceed a value of 10 mm over at least 80% of the circumference and/or at least 80% of the overlapping length of the tube and heating rod.
US09867227B2 Method, device, and system for indicating discontinuous data scheduling
A method for indicating discontinuous data scheduling includes receiving discontinuous reception (DRX) indication information on an Iur interface; and sending discontinuous scheduling indication information to a base station according to the DRX indication information. A communication system and a radio network control device for implementing the method are also provided.
US09867224B2 Method and apparatus for transmitting a handover report and an RLF report
A method for transmitting a handover report and for transmitting a radio link failure (RLF) report are provided. The method includes obtaining, by a target base station, at least one of location information of a source cell or location information of a user equipment (UE) history cell during a handover procedure, and transmitting, by the target base station, the handover report to at least one of a source base station or to a base station where the UE history cell is located, according to the obtained at least one of location information of the source cell or the location information of the UE history cell, wherein the handover report including at least one of an unnecessary handover report, a too early handover report, or a handover to wrong cell report.
US09867221B2 Pairing between wireless devices
The present invention relates to a method for enabling a wireless communication between at least one peripheral unit (a1-aN) and a device (100), the at least one peripheral unit (a1-aN) being arranged for communicating with a pairing system (10) according to first wireless communication type, the device (100) being arranged for communicating with the pairing system (10) according to a second communication type, the method comprising the following steps: —the pairing system (10) configuring a main communication unit (11) adapted to communicate according to the first wireless communication type; —pairing the at least one peripheral unit (a1-aN) with the main communication unit (11); —the pairing system (10) sending to the device (100) the pairing information suitable for communicating with the at least one peripheral unit (a1-aN); —the device (100) configuring a first communication unit (101) adapted to communicate with the at least one peripheral unit (a1-aN) according to the first wireless communication type, using the pairing information received from the pairing system (10).
US09867219B1 Wireless communication system of smart cycling equipment and method using same
A wireless communication system includes a number of peripheral devices, a wireless communication device, and a terminal. The wireless communication device includes a first communication module and a second communication module. The second communication module includes a host unit and a device unit. The host unit is used to be wirelessly connected to the peripheral devices. The terminal supports the first communication protocol is used to connect to the first communication module, and the terminal supports the second communication protocol is used to connect to the second communication module via the device unit thereof. A method using the wireless communication system is also provided.
US09867217B1 Emergency call setup in wireless networks
The systems, devices, and techniques described herein are directed to scheduling wireless communications and verifying connections, for example, in an emergency call context. An emergency call scheduler can be installed in an application layer of user equipment to manage call scheduling. During an emergency situation, the emergency call scheduler can attempt to establish a communication based on a priority of network technologies (e.g., LTE, 4G, 3G, 2G) or a base station being in a subscriber network. As a call is established, a connection may be verified based at least in part on satisfying one or more handshake protocols and based at least in part on transmitting or receiving voice and/or data packets. Based on a location of the user equipment, or as a network topology is updated, a centralized server can update the emergency call scheduler to change the call scheduling priority.
US09867214B2 Clear channel assessment (CCA) levels within wireless communications
A wireless communication device is configured to perform clear channel assessment (CCA) using one or more CCA levels that are selected based on various criteria. The device receives or detects one or more packets on the communication medium, and the device then processes those one or more packets to determine status of one or more channels within one or more frequency bands using the one or more CCA levels. These CCA levels may be selected based on one or more parameters, and different CCA levels may be used at different times, for different channels, etc. Also, different CCA levels may be used to determine the status of different channels, different portions of the frequency spectrum, etc. When at least one channel is determined as being clear and available for usage, the device is configured to support communications with one or more other devices via one or more channels.
US09867211B2 Method and communication apparatus for acquiring scheduling information of neighbouring cell base station
The present disclosure relates to methods and a communication apparatus for acquiring scheduling information of neighboring cell eNodeBs in a wireless communication network.
US09867210B2 Master station and method for HEW communication using a transmission signaling structure for a HEW signal field
Embodiments of a transmission signaling structure for HEW are defined to carry packet information to configure OFDMA receivers for demodulation of a specific portion of the packet and/or to configure receivers for transmission using specific OFDMA and MU-MIMO resources. In some embodiments, the specific portion of the packet comprises one or more minimum bandwidth units of one or more 20 MHz channels. Each 20 MHz bandwidth structure may comprise several minimum bandwidth units to allow each 20 MHz channel to have a have smaller granularity than 20 MHz.
US09867208B2 Scheduling data transmission by medium access control (MAC) layer in a mobile network
A method and apparatus for producing medium access control (MAC) protocol data units (PDUs) are disclosed. A controller may, on a Transmission Time Interval (TTI) basis, select a size of a MAC service data unit (SDU) for each of a plurality of logical channels based on information provided by a MAC layer. The controller may then provide a respective first value for each logical channel. Further, the controller may select logical channels for a MAC PDU based on a respective priority of each of the logical channels and on the respective first value of each of the logical channels being greater than zero. Also, the controller may multiplex the MAC SDUs of the selected logical channels to produce the MAC PDU. In addition, the controller may provide a transport block for transmission based on the MAC PDU. The controller and a transmitter may then transmit the provided transport block.
US09867207B2 Simultaneous scheduling request transmission in dual connectivity
Briefly, in accordance with one or more embodiments, an apparatus may be configured to receive a first scheduling request transmission for a first cell group, and a second scheduling request transmission for a second cell group, determine one of the first scheduling request and the second scheduling request to have a higher priority and another one of the first scheduling request and the second scheduling request to have a lower priority, and process the scheduling request having a higher priority without processing the scheduling request having a lower priority. An apparatus may be configured to combine a configuration of a first scheduling request for a first cell group and a second configuration of a second scheduling request for a secondary cell group in a system radio bearer, and transmit the SRB to a user equipment to process the first scheduling request and the second scheduling request.
US09867205B2 Stage-by-stage successive MIMO decoding for multihop communications
According to some embodiments, a method of estimating a relayed wireless signal in a multihop network comprises receiving, at a destination network node, a wireless signal relayed from a plurality of network nodes. The received wireless signal comprises successive quantizations of a source wireless signal performed at each relay stage. The destination network node also receives a plurality of messages, each including quantization information associated with the quantization performed at a corresponding relay stage. The destination network node estimates a wireless signal received at a previous relay stage using a quantized multiple-input multiple-output (MIMO) channel model with the received wireless signal and a message corresponding to the quantization performed at the previous relay stage. The destination network node estimates the source wireless signal using the estimated wireless signal received at the previous stage and the remaining messages to estimate a wireless signal received at each of the previous relay stages.
US09867204B2 Terminal apparatus, base station apparatus, integrated circuit, and communication method
A terminal apparatus includes a reception unit that receives first information indicating a subframe in which a CRS is present, and second information which indicates the number of CRS antenna ports and is used to determine a resource element to which a PDSCH is mapped. In a subframe other than a subframe indicated as the subframe in which the CRS is present by the first information, a resource element to which a PDSCH transmitted through an antenna port different from a CRS antenna port for a serving cell is mapped is based on the number of CRS antenna ports indicated by the second information corresponding to the PDSCH. Accordingly, the terminal apparatus can efficiently communicate with a base station apparatus using a downlink physical channel.
US09867201B2 Joint assignment and scheduling for overlapping CoMP clusters
The present invention provides methods, apparatuses and a computer program product related to joint assignment and scheduling for overlapping coordinated multi-point transmission (CoMP) clusters. The present invention includes acquiring, at a network entity, for each of a plurality of user equipments connected to a resource of a cooperation area, a connectivity ratio of each user equipment to the resource, selecting, at the network entity, among the plurality of user equipments connected to the resource of a cooperation area, a first user equipment having a lowest current connectivity ratio, and determining whether the current connectivity ratio of the selected user equipment is equal to or smaller than a stored connectivity ratio of the selected user equipment to another resource available for the user equipment.
US09867199B1 Dynamic control of air interface capacity
A method and system for managing capacity of a base station's air interface. The base station identifies a served user equipment device (UE) based at least in part on the UE being located in an area of overlap between coverage of the base station and coverage of another base station. The base station then increases an order of modulation of air interface communication between the base station and the identified UE, so as to help free up some air interface capacity. Further, in view of the possible decrease in reliability of communication due to the increased order of modulation, the base station may also invoke use of Coordinated Multipoint Communication (CoMP) for the UE to help improve air interface communication between the base station and the UE.
US09867192B2 System and method for beam selection using multiple frequencies
A method for operating a UE includes receiving, by the UE during an initial access sequence, a plurality of first inbound beams each transmitted by a communications controller in a different transmit direction over a first carrier, where the first inbound beams have a different subcarrier frequency range from each other, generating values of a receive metric in accordance with the first inbound beams, selecting one of the first inbound beams in accordance with the receive metric values, transmitting, by the UE, an indication of the selected first inbound beam, and receiving, by the UE, a second inbound beam transmitted by the communications controller in a transmit direction in accordance with the indication of the selected first inbound beam, where the second inbound beam has a second subcarrier frequency range of the first carrier that is different than a first subcarrier frequency range of the selected first inbound beam.
US09867190B1 System and method for signal boost in an LTE network
A method for improving LTE connectivity in known trouble areas is disclosed. The method includes receiving, at an eNodeB, a communication message from a mobile device and determining a first timing advance (TA) information associated with the communication message received from the mobile device. Based on the first TA information it is determined if the mobile device is located in an area susceptible to a communication failure. Upon determining that the mobile device is located in the area susceptible to the communication failure, messages are temporality transmitted from the eNodeB to the mobile device at an increased power level.
US09867189B2 Resource allocation indication for multi-user multiple-input-multiple-output (MU-MIMO) orthogonal frequency division multiple access (OFDMA) communication
A wireless device receives a frame including a first Resource Unit (RU) allocation subfield including resource information for a first frequency area and indicating a first number of user fields in a first channel that correspond to the first frequency area, and a second RU allocation subfield including resource information for a second frequency area and indicating of a second number of user fields in a second channel that correspond to the second frequency area. When the first and second frequency areas are a same RU, the wireless device determines, using both the RU allocation subfields, a number of users allocated to the same RU. A wireless device generates and transmits a frame including first and second RU allocation subfields as described above. When the first and second frequency area are a same RU, both the RU allocation subfields indicates a number of users allocated to the same RU.
US09867186B2 Wireless communication method, base station and wireless communication device
A wireless communication method, a base station and a wireless communication device. The wireless communication method includes: in case that communication devices which are to perform communication are estimated to satisfy a condition for device-to-device direct communication, transmitting a control signaling from a base station to the communication devices, the control signaling allocating a carrier for the device-to-device direct communication; and performing the device-to-device direct communication between the communication devices using the allocated carrier, wherein the base station allocates the carrier for the device-to-device direct communication from conventional carrier, stand-alone new-type carrier and non-stand-alone new-type carrier, wherein the new-type carrier has a reduced number of control channels as compared with the conventional carrier.
US09867185B1 Method and apparatus for communicating in sub-1 GHz bands according to the IEEE 802.11ac, IEEE 802.11ah and IEEE 802.11af standards
A first network device including a radio frequency (RF), baseband, and medium access control (MAC) modules. The RF module: based on a predetermined primary mode, selects a first band from bands including a sub-1 GHz, IEEE 802.11ah, and IEEE 802.11af bands; in the first band, receives a radio or intermediate frequency signal; and converts the radio or intermediate frequency signal to a baseband signal. The baseband module: based on the primary mode, selects a secondary mode and a first bandwidth from multiple bandwidths, where the secondary mode has a corresponding data rate and the bandwidths include a bandwidth downclocked from an IEEE 802.11ac or 1 MHz bandwidth; receives the baseband signal from the RF module, where the baseband signal has the first bandwidth; and based on the baseband signal, outputs a frame included in the baseband signal. The MAC module receives the frame from the baseband module at the data rate.
US09867181B2 Radio reception apparatus, radio transmission apparatus, and radio communication method
Where first and second reference signals for a first and second communication system, respectively, are transmitted, resources that affect a reception apparatus compatible only with the first communication system can be minimized, and the throughput can be prevented from being deteriorated. As resources for a reference signal CSI-RS for LTE-A, last half symbols in a time direction of a resource unit RB/Sub-frame defined in a frequency-time domain are used, and the CSI-RS is allocated in a position up to the last two symbols or in the last symbol, or the like, of a particular RB/Sub-frame and transmitted when a reference signal 4RS for LTE is transmitted to a reception apparatus in addition to transmitting CSI-RS for LTE-A. The reception apparatus receives CSI-RS allocated in the last half symbol of RB/Sub-frame based on CSI-RS allocation information, measures channel quality by using this CSI-RS, and transmits and reports feedback information.
US09867170B2 Method for transmitting/receiving signal and device therefor
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method comprising: setting a first cell having a first TDD UL-DL configuration and a second cell having a second TDD UL-DL configuration; receiving a PHICH signal in a subframe #(n−L) of the first cell, or receiving a PDCCH signal in a subframe #(n−K) of the first cell; and transmitting a PUSCH signal in a subframe #n of the second cell, corresponding to the PHICH signal or the PDCCH signal, wherein the relationship between the subframes #(n−L), #(n−K), and #n is determined in consideration of a parameter value set in a specific TDD UL-DL configuration, which is the TDD UL-DL configuration having the least number of UL subframes from TDD UL-DL configuration(s), in which subframes set as UL in the first or second cell are all set as ULs.
US09867169B2 Method and device for transmitting information on physical uplink control channel
The present invention discloses a method and a device for transmitting information on a physical uplink control channel (PUCCH). The method includes the following steps: a user equipment (UE) selects information from channel state information (CSI) to transmit (S1); the information selected from the CSI is transmitted on the PUCCH with one or both of hybrid automatic retransmission acknowledgment information and a scheduling request (S2), which enables a base station to obtain not only the information in the CSI but also one or both of the hybrid automatic retransmission acknowledgement information and the scheduling request from the PUCCH. The present invention avoids the problem of system downlink throughput degradation caused by dropping all CSI by the UE in the prior art, and avoids the problem that system downlink throughput is influenced by unnecessary data retransmission on a downlink carrier caused by ACK/NACK bundling among carriers.
US09867166B2 Method of generating pilot pattern for adaptive channel estimation in OFDMA systems, method of transmitting/receiving using the pilot pattern and apparatus thereof
Provided is a method of generating a pilot pattern capable of perform adaptive channel estimation, and a method and apparatus of a base station and a method and apparatus of a terminal using the pilot pattern.The pilot pattern selects pilot symbol positions based on distances from pilots of previous orthogonal frequency division multiple access (OFDMA) symbols to a subcarrier position of a current OFDMA symbol in the frequency domain and the time domain, so that a low pilot density is maintained so as to effectively transmit data, and stable channel estimation performance can be obtained even in a bad channel environment.In addition, the minimum burst allocation size is determined according to the channel environment between the base station and the terminal, guaranteeing channel estimation performance suitable for the channel environment, and improving granularity, channel estimation latency, and channel estimation memory size.
US09867165B2 Method and device for transmitting a feedback signal in a multi-node system
The present invention relates to wireless communication, and particularly, to a method and device for transmitting a feedback signal of a terminal in a multi-node system. The method for a terminal to transmit feedback information in a multi-node system including a plurality of nodes and a base station for controlling same includes: transmitting first information upon the request of resource allocation so as to give notice that there is information to be transmitted to the base station; receiving information from the base station at the request for the transmission of second information necessary for the resource allocation; and transmitting the requested second information to the base station. The feedback information may be transmitted to the base station together with the first information or the second information.
US09867158B2 Mobile information terminal, control method thereof, and storage medium
A mobile information terminal includes a setting unit configured to store position information for browsing patient information. The mobile information terminal downloads the patient information from a server via a communication unit to store the patient information in a data storage unit according to a result of comparing position information specified by a terminal position specifying unit with the position information stored by the setting unit.
US09867157B2 Method for detachment of MS moving between communication systems
A method for detachment of a mobile set within the equivalent route area moving between the communication systems comprising steps of: during the detachment process is implemented between a mobile set and a service node in one communication system, the service node generates one or more messages and transmits it to the service nodes in one or more communication system within the ERA. If the message is transmitted to the service node within the ERA of only one communication system, this service node transmits this message or the message generated according to this message to the service nodes within the ERA of the other communication system. With the method proposed in present invention, when a mobile is detached from two or more communication systems which share the same ERA, the service nodes in all communication systems within the ERA can still correctly manage the relevant information on this mobile set.
US09867152B2 Method and device for measuring amount of user physical activity
An electronic device and a method of measuring an amount of user physical activity by an electronic device are provided. The method includes establishing short range communication among a plurality of electronic devices, determining one of the plurality of electronic devices as a primary device, communicating state information of remaining electronic devices to the primary device, activating a sensor on a device having a highest priority among the plurality of electronic devices according to the state information, recording physical activity information according to physical activity sensed by the sensor, communicating the physical activity information to the primary device, calculating an amount of physical activity according to the communicated physical activity information, and synchronizing the amount of physical activity among the plurality of electronic devices.
US09867147B2 Method and apparatus for transmit power control for multiple antenna transmissions in the uplink
Techniques for transmit power control for multiple antenna transmissions in an uplink are disclosed. A wireless transmit/receive unit (WTRU) generates at least one input stream for transmission and applies a gain factor to each channel. The gain factor is determined based on a reference channel power estimate. The WTRU generates at least two data streams from the input stream for transmission via a plurality of antennas and applies weights to the data streams. The gain factor and/or the weights are controlled such that a transmit power on each antenna is within a maximum allowed value. The WTRU may perform power scaling on a condition that a transmit power on any antenna exceeds the maximum allowed value. The WTRU may scale down an enhanced dedicated channel (E-DCH) dedicated physical data channel (E-DPDCH) first before other channels. For multiple E-DCH streams, the WTRU may calculate an E-DPDCH power offset based on an additional power offset factor due to multiple stream transmission.
US09867143B1 Adaptive Power Modulation
Systems and methods comprise determining a received signal strength (RSSI) of a signal. A sensitivity level of a receiver is determined, where the signal is to be received at the receiver. When a determination is made that the RSSI is greater than the sensitivity level, a transmitter power level is calculated as a difference between the RSSI and the sensitivity level. A transmitter of the signal is controlled in accordance with the transmitter power level.
US09867138B2 Method and apparatus for transmitting uplink signals in wireless communication system with determined transmission powers
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and an apparatus for a terminal controlling uplink power in the wireless communication system, comprising the steps of: configuring an uplink subframe (UL SF) of a first set and a UL SF of a second set; receiving a downlink control information (DCI) format including a bitmap for indicating transmit power control (TPC) for a plurality of terminals; and controlling transmit power of an uplink channel by using TPC information on the terminals from the bitmap, wherein the TPC information is used for controlling transmit power of an uplink channel transmitted from the UL SF of the first set when the DCI format comprises a first identifier, and the TPC information is used for controlling transmit power of an uplink channel transmitted from the UL SF of the second set when the DCI format comprises a second identifier.
US09867137B2 Signal power management in a multicarrier wireless device
A wireless device determines a first transmission power for a first signal starting in a first subframe and a second transmission power for a second signal starting in a second subframe. When a calculated power value is more than an allowable transmission power a power control mechanism is employed. The wireless device reduces signal transmission power during an overlap period if the first subframe and the second subframe overlap in time by less than a first duration. The wireless device drops a signal if the first subframe and the second subframe overlap in time by more than a second duration.
US09867135B1 Frequency-generating circuit and communications apparatus
A frequency-generating circuit includes a frequency synthesizer circuit and a reference clock signal processor. The frequency synthesizer circuit receives a processed reference clock signal and generates a radio-frequency clock signal according to the processed reference clock signal. The reference clock signal processor receives an original reference clock signal from an oscillator and processes the original reference clock signal according to an indication signal to generate the processed reference clock signal. The indication signal is generated according to a required reference clock frequency of a communications apparatus. When the required reference clock frequency is high, a frequency of the processed reference clock signal is a multiple of a frequency of the original reference clock signal, and when the required reference clock frequency is low, the frequency of the original reference clock signal is a multiple of the frequency of the processed reference clock signal.
US09867133B2 Communication device and method for performing radio communication
A communication device is provided comprising a radio frequency circuit configured to receive a first radio frequency signal and a second radio frequency signal. A baseband circuit configured to determine a gain level based on the first radio frequency signal. A clock circuit configured to generate a clock signal. The radio frequency circuit is configured to determine a gain adjusted signal based on the second radio frequency signal and on the gain level. The baseband circuit is configured to synchronize the clock signal based on the gain adjusted signal.
US09867132B2 Prediction for power conservation in a mobile device
Architecture that facilitates power conservation in mobile devices such as cell phones using prediction. The architecture is an algorithmic-based solution that transforms infrequently-captured geolocation data of an entity into a continuous probable location approximation. Given the location history and additional data about the recent location of the mobile device, the current location of the device can be estimated with some probability. Additionally, given the location history and additional data about the recent location of the device, the probability of the device actually being at a given point on a map is computed.
US09867124B2 Determination of multicast and coding rate
According to one embodiment of the invention, wireless spectrum and battery power conservation is achieved through an adaptable multicast group communication scheme. This involves a method for controlling the multicast transmission rate based on a first operation of receiving information from a multicast receiving device that is a member of a multicast group. Based on this information and potentially other information from other member devices, the modulation and coding rate for the multicast group is altered.
US09867121B2 Network accessing method
A network accessing method includes selecting a group representative dynamically from each machine to machine (M2M) terminal group, wherein terminals in the M2M terminal group not selected as the group representative serve as group members. The method also includes requesting, by the group representative, network access from a base station, and serving, as a group member automatically after entering an idle state or entering another cell. This enables multiple M2M terminals to access a network at the same time while avoiding network access congestion.
US09867119B2 Method and apparatus for performing D2D specific access control in wireless communication system
A method and apparatus for performing a device-to-device (D2D) specific access control in a wireless communication system is provided. A user equipment (UE) receives D2D specific barring parameters from a network, and checks whether access to a cell is allowed according to the received D2D specific barring parameters. The D2D specific barring parameters may include a D2D specific barring factor and a D2D specific barring time.
US09867117B2 Network admission control
Systems and methods for managing a network are disclosed. One method can comprise determining a first modulation rate associated with a network device. A beacon can be transmitted at a second modulation rate, wherein the second modulation rate is greater than the first modulation rate. A user device can be associated with the network device based on the beacon if the user device is configured to support the second modulation rate.
US09867113B2 Ubiquitous access to FEMTO-connected network
A system and method of enabling a mobile device to communicate with a local IP network host and an external IP network host using a femto cellular access point on a femto cellular access network. A local gateway is coupled to the femto cellular access network for receiving data packets transmitted on the femto cellular access network and for routing the data packets to one of a local IP network and an external IP network, based on a destination address associated with the data packets. The femto cellular access network includes an LTE network, an EVDO network connected to an EPC, or a WiMax 802.16e/m network connected to the EPC.
US09867110B2 Service type selection in wireless network
This document discloses methods, apparatuses, and computer programs for selecting and providing a terminal apparatus of a wireless network with services. The terminal apparatus selects a wireless apparatus to provide the terminal apparatus with at least a first service. Then, it causes transmission of an association request to the wireless apparatus, wherein the association request comprises at least one information element indicating whether the request relates to provision of the first service without a second service or to provision of both the first service and a second service, wherein the second service is different from the first service and is subjected to the presence of the first service. Upon approval acquired from the wireless apparatus, the at least said first service is received from the wireless apparatus.
US09867107B2 Communication control method, master base station, secondary base station, and user terminal
A master evolved Node-B (MeNB) connects to a user terminal together with a secondary evolved Node-B (SeNB) in a dual connectivity scheme. The MeNB includes: transmitter configured to transmit a message to the SeNB via an X2 interface. The message is an SeNB addition request message or an SeNB modification request message. The message includes identification information of a serving gateway connected with the MeNB via an S1 interface. The identification information includes an S1 tunnel endpoint ID (S1-TEID) of the serving gateway or an internet protocol (IP) address of the serving gateway.
US09867106B2 Codec-specific handover thresholds
A handover procedure can be implemented using a codec-specific threshold as a triggering event for the handover procedure. A mobile device can initiate a communication session with a serving access point (AP). The mobile device can receive a codec established for the communication session, access a set of codec-specific thresholds stored in memory of the mobile device to determine a handover triggering threshold that is specific to the codec used for the communication session. The mobile device can measure a parameter of a radio signal from the serving AP, and when the measured parameter falls below the codec-specific threshold, a handover procedure can be initiated to transition the communication session to a target AP.
US09867103B2 Method for communicating in wireless communication system and apparatus supporting same
Provided is a method for communicating performed by a terminal in a wireless communication system. The method comprises receiving from a first access network a second access network search configuration for searching a second access network, and receiving traffic routing criteria from the first access network. The traffic routing configuration specifies traffic routing criteria for processing traffic of the first access network by routing to a second access network, determining a mobility state of the terminal, searching the second access network based on the second access network search configuration, evaluating whether a second access network entity discovered through the search satisfies the traffic routing criteria, and processing the traffic of the first access network through the second access network entity. The second access network searching and/or the traffic routing criteria satisfaction evaluating is performed based on the mobility state of the terminal that is determined.
US09867102B2 Method for resisting small base station uplink signal interference of indoor DAS system based on antenna selection
The present invention provides a method for resisting small base station uplink signal interference of an indoor DAS based on antenna selection. The method comprises: step 1: determining an initial access RU, and establishing an uplink; step 2: determining, by the access RU of UE 1 on the basis of the level of interference, whether to switch to another RU, and continuously detecting, by the access RU of UE 1 an SINR value at a set time interval, and comparing the SINR with a preset threshold value γ1; wherein if the SINR value is lower than γ1, an MU sets the access RU and each peripheral RU as a candidate RU, and the MU, on the basis of the acquired SINR value of each RU, selects an SINR greater than γ1 and sets the RU having the greatest receiving signal power as the new access RU of UE 1.
US09867096B2 Uplink reconfiguration for split bearer in dual connectivity
According to some embodiments, a wireless device operating in dual connectivity with a first and second network node performs a method comprising establishing an uplink radio connection from the wireless device to the first and second network nodes. The wireless device comprises first MAC and RLC modules for uplink radio communication with the first network node, second MAC and RLC modules for uplink radio communication with the second network node, and a PDCP module for communicating with the first and second RLC modules. The method further comprises communicating data for uplink transmission from the PDCP module to the first RLC module; obtaining an indication to switch transmission of uplink data from the first network node to the second network node; resetting the first RLC module and the first MAC module; and communicating data for uplink transmission from the PDCP module to the second RLC module.
US09867095B2 Method for switching data between plurality of communications systems and apparatus therefor
A method for switching data between a plurality of communications systems according to the present invention is characterized by including the steps of: receiving a message from a first communications system having generated at least one data radio bearer (DRB) with a terminal for switching data to a second communications system; switching data to the second communications system based on the message; and carrying out data communication with the base station of the second communications system after switching data, wherein the message contains the information of all DRBs generated in the terminal or the information for indicating whether to keep the information of at least a particular one of the DRBs generated in the terminal, and the data switching operation is performed according to the information.
US09867094B2 Method and apparatus for handover in mobile content centric network
A handover method in a mobile CCN. In the method, when detecting a UE performing a handover, a source local CCNx node caches data directed to the UE. The source local CCNx node transmits a request to stop transmission of the data directed to the UE to a target local CCNx node based on a condition. The target local CCNx node requests the source local CCNx node to stop transmission of contents that are being cached. The source local CCNx node transmits cached contents to the target local CCNx node. The target local CCNx node requests a CCNx entry node to stop transmission of specific contents based on a condition. The CCNx entry node transmits contents to the target local CCNx node. When detecting, the UE completing the handover, the target local CCNx node transmits the contents received from the CCNx entry node to the UE.
US09867093B2 Method and apparatus for establishing cell reselection list
The embodiments of the present invention disclose a method for establishing a cell reselection list is provided. A network and a terminal establish frequency indexes for the cell reselection list, so that when a network side delivers an RAT and frequency priority information, the priority information may be delivered according to frequency indexes in a frequency list, thus implementing cell reselection that is based on the priority for the terminal.
US09867091B2 Apparatus and method for searching target cell for handover in wireless communication system
Disclosed is a method and apparatus for searching a target cell for handover in a wireless communication system. The method includes determining a priority of at least one neighboring base station based on the reliability of a direction of a beam allocated to a mobile station, and transmitting a message informing the mobile station of the priority.
US09867090B2 Access transfer for a DRVCC mobile terminal
Dual Radio Access Transfer of an IMS in an alerting phase for the Packet Switched to Circuit Switched direction includes initiating an IMS media session towards UE and, during a session alerting phase, making a determination that a DRVCC transfer is required from a PS to CS, access, sending a SIP message from the UE to a SCC-AS, over the PS access, informing the SCC-AS of the DRVCC transfer, and responding to receipt of the SIP message at the SCC-AS by sending a SIP INVITE from the SCC-AS towards MSC. The SIP INVITE includes an identity of the UE as a called party identity and the STN as the calling party identity. The Transfer includes sending from the MSC to the UE a CS Setup message, whereupon the MSC is placed in a state in which it expects a CS Answer from the UE.
US09867089B2 Communication apparatus, communication system, notification method, and program product
There is provided a communication apparatus including: a first communication unit having a first communication range; a second communication unit having a second communication range wider than the first communication range; a control unit which transmits a request signal for starting communication via the second communication unit from the first communication unit to another communication apparatus, and transmits authentication information from the second communication unit to the another communication apparatus in the case where it is determined that communication with the another communication apparatus via the second communication unit is possible based on a response signal after the first communication unit receives the response signal in response to the request signal; and a notification unit which notifies a user after the second communication unit receives a result of authentication based on the authentication information.
US09867087B2 Configuring a communication with user equipments operating with a different system bandwidth
A method configures a communication between a base station, a first user equipment adapted to operate with a first system bandwidth and a second user equipment adapted to operate with a second system bandwidth. The first system bandwidth is broader than the second system bandwidth. The base station, the first user equipment and the second user equipment are located within a cellular network system. The method includes providing first common channels or signals within the first system bandwidth and providing second common channels or signals within the second system bandwidth, wherein a part of the first common channels or signals and a part of the second common channels or signals are superpositioned. The method further includes configuring at least one of the common channels or signals of the part of the first common channels or signals to be used by the first user equipment and the second user equipment.
US09867085B2 Methods and apparatus for virtual machine configured to run offload application
An apparatus, comprise a virtual machine on which an offload application is configured to run, said virtual machine comprising a first interface configured to provide offload traffic to said application and a second interface configured to output traffic from said application.
US09867084B2 Method and apparatus for anchoring terminal in wireless communication system
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present invention relates to a method and apparatus for anchoring of a terminal in a wireless communication system. The method for anchoring the terminal in the wireless communication system may include receiving attribute information indicating whether at least one gateway operating as an anchor for at least one default Packet Data Network (PDN) connection supports session persistence, detecting a new flow generated by an application, determining whether a further PDN connection is required for the flow on the basis of the attribute information indicating whether at least one gateway supports session persistence, and if no further PDN connection is required for the flow, using an Internet Protocol (IP) address allocated by the at least one gateway as a source IP address of the flow.
US09867080B2 Determining network congestion based on target user throughput
Systems and methods for determining network congestion (e.g., reduced or low average user throughput with telecommunications networks, such as LTE networks, are described. The systems and methods described herein facilitate the identification and/or prediction of congestion at cell sites, which may enable telecommunications networks to prevent and/or remedy current or future occurrences of congestion at cell sites within their networks.
US09867077B2 Method and apparatus for detecting and managing user plane congestion
A method and apparatus for managing user plane congestion in a network are disclosed. A method performed by a wireless transmit/receive unit (WTRU) for user plane congestion in a network includes receiving an indication from the network that user plane congestion exists in the network, transmitting a request for the network to provide a lower Quality of Service (QoS) level for a particular service based on the indication, and observing a decrease in user plane QoS based on the transmitted request.
US09867075B2 Measurement device and method, and control device and method for wireless network
A measurement device and method, and a control device and method for a wireless network. The measurement device includes: a receiving unit configured to receive measurement configuration information containing a measurement solution for a target measurement object and coming from a control end; a measurement unit configured to conduct corresponding measurement on the target measurement object according to the measurement configuration information received by the receiving unit; and a transmitting unit configured to transmit a measurement result to the control end, wherein in response to the situation that the measurement solution contained in the measurement configuration information is a first measurement solution or a second measurement solution, the transmitting unit is configured to transmit a measurement result processed by different communication protocol layers.
US09867072B2 Determination of subframe type for subframes containing discovery signals
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus determines a subframe type for a neighbor cell(s), for example, to perform CRS based measurements for the neighbor cell(s). The UE determines whether a CRS is present in subframe(s) of a duration of a DRS for the neighbor cell(s) based on TDD configuration and an MBSFN configuration of a serving cell and at least one of received neighbor cell configuration information indicating at least one of a TDD configuration and a configuration of neighboring cell(s), received configuration of DRSs for neighboring cell(s), the configuration including at least a starting subframe index for the DRS and a duration of the DRS.
US09867071B2 Apparatus and method for avoiding collisions between wireless communication systems
A wireless communication method may include performing, by a first system, channel monitoring of a first band, detecting a second system that uses the first band, determining whether the first system is to be used in preference to the second system, and allocating a radio resource of the first band to the first system based on whether the first system is to be used in preference to the second system.
US09867064B2 Interference management and network performance optimization in small cells
A method of configuring small cell base stations in a cellular network is disclosed. A constraint on a performance-related metric associated with at least a portion of the cellular network is received. In some embodiments, the constraint on the performance-related metric comprises a constraint on a performance-related metric associated with one or more macrocells. Measurement data from one or more small cell base stations is received via a control interface. One or more optimized values of one or more parameters associated with one or more small cell base stations are searched. The searching is based at least in part on the received measurement data and subject to the constraint on the performance-related metric associated with the at least a portion of the cellular network. The one or more optimized values of the one or more parameters to the associated small cell base stations are transmitted.
US09867063B2 Radio communications system
The invention relates to a radio communications system, comprising: a mobile network comprising a line of signal processing blocks and dispatching means switchable to data taps of the line of signal processing blocks; and a base station comprising a line of signal processing blocks and dispatching means switchable to data taps of the line of signal processing blocks, wherein the mobile network and the base station are configured to exchange configuration information in order to switch the dispatching means of the mobile network in correspondence to the dispatching means of the base station.
US09867059B2 Distributed node operation in heterogeneous networks
Systems and methods related to providing spatial reuse gain as well as Multiple-Input-Multiple-Output (MIMO) gains in a combined cell of a heterogeneous cellular communications network are disclosed. In one embodiment, a method of operation of a wireless device includes receiving node-specific pilot signals from transmission nodes in a combined cell, where each node-specific pilot signal is transmitted by a different transmission node in the combined cell. The method further includes generating channel measurements based on the node-specific pilot signals. The channel measurements include a separate channel measurement for each transmission node based on the node-specific pilot signal transmitted by the transmission node. The method further includes selecting a desired combination of nodes from the subset of the transmission nodes based directly or indirectly on the channel measurements and providing an indication of the desired combination of nodes to the central control node for the combined cell.
US09867055B2 Techniques for coordinating communications over an unlicensed radio frequency spectrum band
Techniques are described for wireless communication. One method includes identifying, by a first transmitter, a first contention access protocol timing for accessing an unlicensed radio frequency spectrum band, and aligning a second contention access protocol timing with the first contention access protocol timing, the second contention access protocol timing being used by the first transmitter for accessing the unlicensed radio frequency spectrum band.
US09867052B2 Multiprotocol antenna system for multiple service providers
A radio access node is configured to digitize a first analog radio frequency signal in order to generate first digital data indicative of the first analog radio frequency signal and is configured to digitize a second analog radio frequency signal in order to generate second digital data indicative of the second analog radio frequency signal. The first analog radio frequency signal is broadcast from a first mobile unit using wireless service provided by a first wireless service provider. The second analog radio frequency signal is broadcast from a second mobile unit using wireless service provided by a second wireless service provider. The first and second digital data are transported from the radio access node to the base unit using a shared transport medium. The base unit is configured to produce information derived from the first digital data and the second digital data that is used in performing base station processing for the first mobile unit and the second mobile unit.
US09867049B2 Mobile station performing access control with NAS restriction information sent from radio base station
To improve probability of successfully performing origination processing by a priority terminal and origination processing of an emergency call even during congestion. In a mobile station UE according to the present invention, an AS function unit 11 is configured to receive SSAC information from a radio base station eNB and transmit the SSAC information to the NAS function unit 12 at a predetermined timing, and a NAS function unit 12 is configured to perform SSAC on transmission of “RA Preamble” in a RA procedure for the mobile station UE in the DRX state to transmit an uplink signal, or on transmission of an uplink signal from the mobile station UE in the Non-DRX state.
US09867048B2 Automatic authentication of a mobile device using stored authentication credentials
Systems and methods are disclosed which may allow a user having a mobile device to automatically authenticate to a server using a device identifier associated with the mobile device. An access point may be configured to send the device identifier as well as additional identifying information to the server so that the device identifier can be accurately matched to the mobile device. Then, when the mobile device submits a credential during authentication, the device identifier and the credential may be matched such that the next time the server receives the device identifier from the access point, the mobile device may be automatically authenticated.
US09867047B2 Method and appartus for notifying authenticity information of caller identity in wireless access system
The present invention relates to a wireless access system, and more particularly, to methods and apparatus for notifying authenticity information of a caller identifier (ID) in a wireless access system, comprising: receiving, from a second network node, a first call message including a caller ID of a second UE (UE2), determining whether the caller ID of UE2 has been authenticated or not by detecting a trust level of authenticity information in the first call message, and transmitting, to a first UE (UE1), a second call message including the caller ID and an indication message indicating one or authentication levels out of an authenticated, a spoofed, or an unauthenticated level, wherein the authenticated indicates the caller ID is authenticity and the spoofed indicates the caller ID is not guaranteed to correspond to the UE2.
US09867040B2 Method, apparatus, and computer program product for service anonymity
Embodiments enable privacy protection for increasing service anonymity. A method comprises receiving a service discovery frame from a wireless device operating synchronously in a neighbor awareness network cluster, including scrambled values associated with service names, each of the scrambled values being a hash of an argument comprising the service name and a component value selected based on a current synchronous time shared with the wireless device. The received scrambled values are compared with scrambled values associated with maintained service names, each being a hash of an argument comprising a valid service name of a known service and a component value selected based on the current synchronous time. If any of the received scrambled values satisfies the comparison with a scrambled value associated with the service name, then the received scrambled value is determined to be associated with the known service.
US09867039B2 System and method for faked base station detection
A system and method of detecting fake base stations. A first wireless device such as a user equipment (UE) or a base station (BS) may identify multiple parameters associated with a discovery signal transmitted by a second wireless device, the second wireless device advertising as a BS. The first wireless device may compare the multiple parameters with a set of parameters assigned to, or otherwise associated with, a cluster of neighboring BSs, and determine that the second wireless device is a fake BS when an inconsistency between the multiple parameters and the set of parameters associated with the cluster of neighboring BSs exceeds a threshold. The UE or the BS may also transmit the multiple parameters to a central controller, and the central controller may aggregate, correlate, and analyze the parameters, historical data, and other data from other sources associated with the second wireless device to determine whether the second wireless device is a fake BS.
US09867035B2 System and method for determining compromised driving
A device is provided for use with a database having stored therein, a plurality of signatures corresponding to a plurality of actions, respectively. The device includes: a mode determining component that determines whether the device is in a predetermined mode; a device location determining component that determines whether the device is located in a predetermined location; a parameter detecting component operable to detect a predetermined parameter and to generate an action signature based on the detected predetermined parameter; an accessing component operable to access one of the plurality of signatures from the database; and a mode controlling component operable to modify operation of the device based on the comparison signal when said mode determining component determines that the device is operating in the predetermined mode and when the location determining component determines that the device is located in the predetermined location.
US09867034B2 Baseband unit and method of obtaining information on a remote radio unit and another baseband unit connected to the remote radio unit supporting the operation of the remote radio unit
Disclosed are a BBU and a method of obtaining RRU information, which comprises, in a heterogeneous cell environment in which a macro cell and small cell coexist, a BBU receiving, from a terminal and via a serving RRU of the terminal connected to the BBU, a measurement reporting message that includes information on an RRU transmitting, to the terminal, a reference signal at an intensity equal to or stronger than a threshold value, and determining the RRU as a neighboring RRU of the serving RRU by using information included in the measurement reporting message.
US09867033B2 Standardized control of wireless devices
A disclosed service for managing mobile and wireless communication devices (MWCDs) includes enabling a server to generate a standard remote configuration command (RCC) and enabling a transmitter coupled to the server to transmit the RCC wirelessly. The RCC configures a feature on a first MWCD of a first supplier and a second MWCD of a second supplier. The RCC may disable one or more of a set of selected MWCD peripheral devices. For example, the RCC may disable an MWCD camera, an MWCD microphone, and/or an MWCD speaker. In some embodiments, the RCC transitions the MWCD to a restricted state in which the MWCD is unable to record multimedia content including audio and video content. In these embodiments, the RCC may configure one or more of the features on each of a set of MWCDs within a defined geographic region.
US09867032B2 Method and apparatus for transmitting user input from a sink device to a source device in a Wi-Fi direct communication system
A method of performing communication between a sink device and a source device in a Wi-Fi direct network is provided. The method includes receiving a user's input, on a sink device, for controlling audio/video (AV) data received from the source device, generating a message for controlling the AV data based on the user's input, and transmitting the message to the source device through a Wi-Fi direct link.
US09867028B2 Electronically binding to a lost mobile device
The first mobile device determining that the first mobile device is lost and the first mobile device, in response to determining that the first mobile device is lost, activating a secure mode on the first mobile device. The first mobile device making the first mobile device discoverable to other mobile devices. The first mobile device electronically binding to a second mobile device. The first mobile device sending information relating to the first mobile device to the second mobile device. The first mobile device receiving an indication that the first mobile device is no longer lost. The first mobile device, in response to receiving the indication that the first mobile device is no longer lost, unbinding from the second mobile device.
US09867021B1 Specially programmed computing devices being continuously configured to allow unfamiliar individuals to have instantaneous real-time meetings to create a new marketplace for goods and/or services
In some embodiments, the present invention provides for a computer system which includes at least the following components: a plurality of computing devices associated with a plurality of users associated with a plurality of users; where each computing device of the plurality of computing devices is configured to: electronically receive software which, when being executed, cause such computing device to display a plurality of instances of a specifically programmed graphical user interface (GUI); where each instance of the GUI is configured to display a real-time updatable meeting information representative of a direct electronic proximity-based communication between at least two computing devices associated with at least two users who desire to meet at a particular location to engage in a transaction of at least one good, at least one service, or both, whose marketable value lasts for a period of 30 seconds to 60 minutes.
US09867019B2 Method of connecting electronic devices and electronic device employing the same
Disclosed is a method of establishing connection of an electronic device using Wi-Fi P2P to at least one another electronic device, the method includes creating a stability value of the electronic device based on internal state information of the electronic device. The method also includes determining an intent value of the electronic device in response to the stability value. The method also includes receiving an intent value of the at least one another electronic device. The method also includes comparing the intent value of the electronic device with the intent value of the at least one another electronic device. The method also includes forming a Wi-Fi P2P group acting as any one of a group owner (GO) and a group client (GC).
US09867016B2 System and method for locating a mobile phone with moveable wireless beacons
The invention addresses the problem of efficiently locating a target device such as a mobile phone, by directing the movement of moveable wireless beacons along a search pattern, using the target device as a moveable wireless beacon detection device. Preferably, the target device is equipped with a WiFi and/or Bluetooth radio and the moveable wireless beacons are WiFi-equipped and/or Bluetooth-equipped mobile phones in possession of first responders. To locate a target device, the WiFi and/or Bluetooth radios in the moveable wireless beacons are activated such that they transmit a unique identifier. As moveable wireless beacons report their locations and as the target device reports updated beacon detection information, movement directions are determined and sent to the moveable wireless beacons to coordinate an efficient search of the target device. Once at least one moveable wireless beacon is detected by the target mobile phone, updated movement directions are provided to the moveable wireless beacon to direct them toward the target device.
US09867015B1 Systems and methods for detecting mobile device movement within a vehicle using accelerometer data
One or more mobile device movement detection computing devices and methods are disclosed herein based on acceleration data collected from an accelerometer of a mobile device found within an interior of a vehicle. The mobile device movement detection computing devices may identify a likely mobile device movement event based on a change of angle between two three-dimensional acceleration vectors. Where the mobile device movement detection computing devices detect a likely mobile device movement event, sensor data from various sensors of a mobile device are collected and aggregated for a window of time encompassing the mobile device movement event. Data from vehicle sensors and other external systems may also be used. The mobile device movement detection computing devices calculate a risk score based on the aggregates sensor data, and provide feedback to a mobile device or vehicle based on the calculated risk score.
US09867014B2 Meeting notification and modification service
Techniques are described for providing a meeting notification and automatic modification service. A system may be configured to identify an appointment in a calendar application, identify a geographic location of the appointment, and identify, before the appointment time, a geographic location of a first participant of the appointment. Based on the geographic information, the system may identify a route extending from the geographic location of the first participant to the geographic location of the appointment, and may identify a travel time associated with the route. Based on the travel time and the appointment time, the system may determine whether the first participant is estimated to arrive at the appointment on time and, based on the determination, the system may send a message to participants of the appointment or dynamically reschedule the appointment.
US09867004B2 Broadcast time-of-departure (TOD) frame format
Disclosed herein are techniques for range measurement between one or more wireless stations (STAs) and a first access point (AP). In various embodiments, the first AP may synchronize a clock of the first AP with clocks of one or more synchronized APs. The first AP may perform a synchronization session with the one or more STAs. The first AP may also transmit one or more Broadcast time-of-departure (TOD) frames to the one or more STAs. Each of the one or more Broadcast TOD frames may include a time of departure of a Broadcast TOD frame from the first AP. A second AP and a third AP of the one or more synchronized APs may also transmit one or more Broadcast TOD frames to the one or more STAs for range and/or position determination.
US09867001B2 Identifier for device location within wireless communication systems
A wireless communication device (WDEV) includes a communication interface and a processor, among other possible circuitries, components, elements, etc. to support communications with other WDEV (s) and to generate and process signals associated with such communications. The WDEV supports first communications with a first other WDEV and supports second communications with a second other WDEV. The WDEV processes the first communications and the second communications to determine whether the first other WDEV and the second other WDEV are substantially co-located at a physical location. When not co-located, the WDEV processes the first communications and the second communications based on at least one of a ranging or a location protocol to determine location information of the WDEV. Alternatively, when co-located, the WDEV stores information that indicates co-location of the first other WDEV and the second other WDEV.
US09866995B2 Location based information service application
A method and system for providing audio information on geographical elements at a geo-location by receiving, at a server, geo-location coordinates of a mobile device; selecting audio files comprising information on the geographical elements located within a predetermined radius of the geo-location; sending the audio files to the mobile device; storing the audio files in a memory on the mobile device; and playing the audio files on the mobile device. The method and system may also periodically receive the geo-location coordinates of the mobile device and compare the received geo-location coordinates to previously received geo-location coordinates to determine if the device has moved to a different geo-location.
US09866991B2 System and method for secure pairing of bluetooth devices
A mobile device includes a Bluetooth transceiver, the Bluetooth transceiver being in an idle power state when not securely paired to a second Bluetooth transceiver of a peripheral device. The mobile device further includes an audio interface, the audio interface coupled to the Bluetooth transceiver, the audio interface configured to connect to a second audio interface of the peripheral device. The mobile device is configured to establish an out-of-band audio communication channel to the peripheral device by connecting the audio interface to the second audio interface, the mobile device configured to exchange Bluetooth authentication data with the peripheral device via the out-of-band audio communication channel in response to transitioning to an operating state, the mobile device configured to initialize the Bluetooth transceiver with the Bluetooth authentication data to establish an authenticated and cryptographically protected in-band Bluetooth communication channel allowing the mobile device to be securely paired with the peripheral device.
US09866986B2 Audio speaker system with virtual music performance
In a multi-speaker audio system for, e.g., a home entertainment system or other entertainment system, each networked-speaker (wired or wireless) can be assigned a particular voice, instrument, group of voices and/or instruments, or a particular stage location of a performance to reproduce a more realistic and life-like audio experience.
US09866983B2 Sound image direction sense processing method and apparatus
According to a sound image direction sense processing method and apparatus, a left-ear channel signal, a right-ear channel signal, and a centered channel signal that are of a sound source are obtained; whether a direction of the sound source is a front direction is determined according to the left-ear channel signal, the right-ear channel signal, and the centered channel signal; and when the direction of the sound source is the front direction, at least one type of the following processing: front direction enhancing processing or rear direction weakening processing is performed separately on the left-ear channel signal and the right-ear channel signal. Therefore, a difference between front direction sense and rear direction sense of a sound image may be enlarged, so that accuracy of determining a direction of a sound source may be improved.
US09866981B2 Micro speaker with capacitors formed by conductive segmented diaphragm and pole plate
A micro speaker is disclosed. The micro speaker includes a vibration system including a diaphragm and a voice coil for driving the diaphragm, the diaphragm including a conductive dome and a suspension surrounding the conductive dome; a magnetic circuit system including a lower plate, a first magnetic part on the lower plate, a second magnetic part on the lower plate, a pole plate attached to the first magnetic part, one of the first and second magnetic part being a permanent magnet for forming a magnetic gap. The conductive dome includes a number of units for forming capacitors together with the pole plate for outputting electrical signals according to vibrations of the diaphragm and for detecting real-time replacement of the diaphragm.
US09866978B2 Open ear canal hearing aid
The invention provides systems and methods for providing hearing aid. An open ear canal hearing aid may be provided in accordance with an embodiment of the invention. The hearing aid may include a part that contains electronic components, a passive amplifier, and a securing mechanism. The securing mechanism may include bristles or balloons. The securing mechanism may have various configurations and be adjustable.
US09866977B2 Miniature hearing instrument configured for positioning at least partially in bony region of ear canal
The application relates to a portable electronic device comprising a) a folded substrate carrying components of the device, and b) another, separate component having a fixed outer contour, and c) a housing for enclosing said folded substrate and said separate component, said housing having an inner contour, wherein said folded substrate is folded from a planar substrate along a folding line, said folded substrate exhibiting outer edges comprising a folded edge following said folding line. The application further relates to a method of manufacturing a folded substrate. The object of the present application is to facilitate miniaturization of a portable electronic device, such as a hearing aid. The problem is solved in that the folded substrate is shaped to provide that at least one of said outer edges follow(s) the fixed outer contour of the separate component and/or the inner contour of said housing. This has the advantage of providing a larger area on the substrate to place components and soldering points thereby improving the use of the available space in the portable electronic device. The invention may e.g. be used in electronic devices where volume utilization is an important design parameter, e.g. hearing aids comprising a part adapted for being mounted in an ear canal of a user, e.g. in the bony part of the ear canal.
US09866976B2 Hearing aid system with an aligned auditory perception
According to an embodiment, a hearing aid system is disclosed. The system includes a first auditory unit and a second auditory unit, where each unit is configured to be worn by a user. The first auditory unit provides a first auditory perception to the user and utilizes a first working principle. The second auditory unit provides a second auditory perception to the user and utilizes a second working principle. The first auditory unit and/or the second auditory unit are configured to process a related parameter value, received from the user, for a parameter. The processing of the related parameter value results in obtaining an aligned auditory perception between the first auditory perception and the second auditory perception.
US09866975B2 Hearing assistance system and method
A hearing assistance system having a hearing assistance device to be worn at one of a user's ears and a scanning device, the hearing assistance device and the scanning device both having an interface for wireless data exchange between the hearing assistance device and the scanning device, wherein the hearing assistance device is adapted for wireless data exchange with an external device, wherein the scanning device is adapted to scan for wireless signals from the external device and to transmit, once such signals have been received by the scanning device, a message to the hearing assistance device for notifying the hearing assistance device of the availability of the external device, and wherein the hearing assistance device is adapted to decide, upon receipt of such notification message from the scanning device, whether on not to initiate wireless data exchange with the external device.
US09866973B2 Method and apparatus for battery balancing of hearing aid in electronic device
A method for maintaining battery balancing of a hearing aid in an electronic device is provided. The method includes establishing a connection with a first hearing aid, determining whether the connection with the first hearing aid is maintained for more than a specific period, and if the connection with the first hearing aid is maintained for more than the specific period, establishing a connection with a second hearing aid.
US09866970B2 Method of manufacturing a microphone
A method of manufacturing a microphone includes preparing a substrate and forming an oxide layer pattern on the substrate and an oxide layer on a rear side of the substrate. The vibration membrane is formed over the substrate by injecting conductive ions into the substrate. A sacrificial layer and a fixed electrode are sequentially formed on the substrate and the vibration membrane by removing the oxide layer pattern. A first photoresist layer pattern is formed on the fixed electrode, and an air inlet is formed by patterning the fixed electrode. A second photoresist layer pattern is formed on a rear side of the oxide layer, and a penetration hole, through which a portion of the vibration membrane is exposed, is formed by etching the oxide layer and the rear side of the substrate. An air layer is formed between the fixed electrode and the vibration membrane.
US09866965B2 Auto-configurable speaker system
Various aspects of a speaker system and a method for auto-configuration of the speaker system is disclosed herein. The speaker system includes an electronic device, which reproduce a first audio in a first speaker configuration. A first sound reproduction device is detected within a pre-defined range of the electronic device. Based on the detection, the first audio is communicated to the first sound reproduction device by the electronic device. The first speaker configuration is modified to a second speaker configuration to reproduce the communicated first audio at the first sound reproduction device.
US09866958B2 Accoustic processor for a mobile device
An acoustic processor for a mobile device is described the mobile device comprising a speaker including a speaker membrane, the speaker membrane having a first speaker membrane side and second speaker membrane side opposite the first speaker membrane side, a mobile device housing for providing a first acoustic path between the first speaker membrane side and the exterior of the mobile device and a second acoustic path between the second speaker membrane side and the exterior of the mobile device, the acoustic processor being configured and arranged to sense a signal on an acoustic processor input, the signal being induced on at least one terminal of the speaker in response to acoustic waves process the induced signal to discriminate between acoustic waves from different directions; and output the processed signal on an acoustic processor output.
US09866957B2 Sound collection apparatus and method
There is provided a sound collection apparatus, including a directionality formation unit configured to form a directionality in a direction of a target area for input signals from a plurality of microphone arrays, a target area sound extraction unit configured to correct a delay between a target area and each of the microphone arrays, and a power of a target area sound component for an output from the directionality formation unit, suppress a non-target area sound by using each output after correction, and extract a target area sound, an area sound enhancement filter formation unit, and an area sound emphasis unit.
US09866953B2 Electronic stethoscope
An electronic stethoscope has a body with a diaphragm at one end of the body. A microphone is housed within the body, wherein the microphone is to generate a first analog audio signal based on sounds waves amplified by the diaphragm. A processing device is also housed within the body and connected to the microphone. The processing device is to receive a second audio signal from a computing device connected to the electronic stethoscope via a connection, and enable the microphone responsive to receipt of the second audio signal.
US09866951B2 Adjusting speakers using facial recognition
Embodiments herein describe an audio system that adjusts based on the location of a person. That is, instead of relying on fixed speakers, the audio system adjusts the direction of audio output for one or more speakers to optimize the performance of the audio system based on the location of a user or based on the number of users. To do so, the audio system may include a camera and a tracking application which identifies the location of a user and/or the number of users in front of the camera. Using this information, the audio system adjusts one or more actuators coupled to a speaker to change the direction of the audio output of the speaker. As the user continues to move or shift, the audio system can continually adjust the speaker to optimize the performance of the system.
US09866944B1 External sound headphones
The external sound headphones are a set of headphones with two earphones. Each of the earphones is formed with a port. The port is opened and closed with a hinged cover. When the hinged cover is opened, the port allows external sounds to pass freely through the earphone while the external sound headphones are in use. The port allows the wearer to monitor their environment while listening to the external sound headphones. The external sound headphones comprise a headband, a plurality of sliders, a plurality of earphones and a cable.
US09866940B2 Waterproof headphones
A variety of different implementations of waterproof headphone designs are disclosed as well as techniques for producing the same. The disclosed headphones may include one or more features which increase the buoyancy of the headphones.
US09866937B2 Vehicle with side wall speakers
A vehicle includes a side wall, a ceiling and a speaker arrangement including at least one speaker. The speaker arrangement is positioned in or at the side wall and is configured such that a main sound emission direction of the speaker arrangement is directed to the ceiling.
US09866935B2 Woofer speaker and the rear sound cavity forming method thereof
A woofer speaker is provided, comprising a woofer speaker unit, a first sealing pad, a second sealing pad and a housing. The first sealing pad is fixed closely with the outer edge of the housing; the woofer speaker unit is fixed and sealed within the housing by the first sealing pad, and the second sealing pad is located between the woofer speaker unit and the housing; a sound hole is provided on the housing, and the shape and size of the sound hole correspond to those of the woofer speaker; and the terminal installation plane is the rear cover of the woofer speaker, and together with the housing forms the rear sound cavity of the woofer speaker through the first sealing pad. The cavity of the woofer speaker provided by the invention and the installation terminal applying the woofer speaker resolve the rear cover vibration problem of ultra-thin woofer speakers.
US09866932B2 Electronic helmet and method thereof for cancelling noises
The present invention provides an electronic helmet for cancelling noises, which comprises a helmet including a plurality of microphones, a plurality of speakers and a first communication unit; and a mobile device including a second communication unit and a control unit. When the first communication unit in the helmet connects to the second communication unit in the mobile device, the control unit generates a plurality of control signals according to at least one sound or noise detected by the plurality of microphones. The mobile device uses the plurality of control signals to control the plurality of speakers outputting the at least one sound or anti-noise cancelling the noise. By the above electronic helmet, the present invention also provides a method integrating active noise control, hands-free communication, music listening, and voice navigation so as to achieve the proposes of cancelling the noises and improving the riding quality.
US09866929B2 High capacity fiber-optic integrated transmission systems
A high capacity node includes a plurality of transceivers each with a transmitter configured to support a wavelength within a full transparent window of one or more optical fibers; and one or more optical amplifiers covering the full transparent window, wherein the one or more optical amplifiers comprise one of (i) a single ultra-wideband amplifier covering the full transparent window and (ii) a plurality of amplifiers each supporting a different band of the full transparent window.
US09866928B2 Intra-transceiver optical superchannel switching via RF sub-band multiplexing technique
Systems and methods are disclosed for data communication by performing RF sub-band multiplexing and demultiplexing by cascading a radio-frequency (RF) mixing module and optical dual-polarized (DP) QPSK modulator forhybrid RF/optical IQ modulation; and performing intra-transceiver optical superchannel switching through the RF sub-band multiplexing.
US09866920B2 Intelligent peer-to-peer system and method for collaborative suggestions and propagation of media
In a network-based system for recommending media content items based on user preferences, clients contact a server on a periodic basis, independent of the user. In addition to client-server interaction, clients also interact with one another in peer-to-peer fashion. Peers query one another and evaluate their similarity to each other in an interactive comparison of user preferences. When two clients are sufficiently similar, the interaction culminates in the originating client downloading content listings from the targeted peer to generate suggestions for their user. If the two clients are dissimilar, the query may be terminated, or the targeted peer may route the query to a second targeted peer. In addition to the lists of preferences, the originating client may download actual content items from the targeted peers.
US09866915B2 Context relevant interactive television
Methods, systems and computer readable medium with program instructions for providing contextually relevant information for multimedia content streaming through a rendering device, includes detecting a selection of the multimedia content for rendering on the rendering device. An audio signal of the multimedia content is retrieved and analyzed to generate an audio fingerprint. The generated audio fingerprint is used to identify the multimedia content that is selected for rendering. Contextually relevant content for a portion of the multimedia content being rendered on the rendering device is dynamically retrieved from one or more sources and mapped to data associated with the portion of the multimedia content. The mapping results in the rendering of the relevant content during the rendering of the portion of the multimedia content and provides additional information that is contextually relevant to the portion of the multimedia content that is currently being rendered on the rendering device.
US09866914B2 Subscribable channel collections
A method for creating and maintaining subscribable channel collections includes providing a channel collection configuration interface for presentation on a media device of a first user, receiving a selection of two or more channels through the channel collection configuration interface presented on the media device of the first user, and creating a subscribable channel collection comprising the selected channels, one or more of the multiple channels each comprising multiple content items. The method further includes receiving a subscription request from a media device of a second user, and responsive to the subscription request from the media device of the second user, creating a channel collection subscription for the channel collection associated with the first user, the channel collection subscription linked to the second user.
US09866913B1 Binary TV
A binary TV system and a method for a binary TV system are provided. The binary TV system comprises a TV program managing module configured to acquire a user preference for TV programs, and generate messages of recommended actions to be performed by a TV; a content recommender module configured to analyze the user preference and generate a recommendation of TV programs matching the user preference; a channel monitoring module configured to monitor and recognize a current TV program a user is watching; an advertisements (Ads) detecting module configured to detect advertisements in a specific TV channel; and a TV controlling module configured to send the messages generated by the TV controlling module to the TV. The user and the TV is communicated with each other through a binary interaction.
US09866912B2 Method, apparatus, and system for implementing a natural user interface
A method, apparatus, and system are disclosed for controlling a set-top box based on natural input from a user through various types of devices. Input devices are used to collect sensor data that represents natural user input for controlling the set-top box. The sensor data is parsed in order to identify the natural user input, and a user interface event is generated based on the natural user input. The user interface event is one that is supported by the set-top box. The user interface event is subsequently communicated to the set-top box.
US09866911B2 System and method for set-top box base station integration
A system for conducting a voice call includes a set-top box operable to control the selection of a television channel for display on a television. The set-top box is also operable to initiate a voice call in response to a selection of a user-interface displayed on the television. The system also includes a wireless set in communication with the set-top box, the wireless set operable to establish a portion of the voice path for the voice call. Signaling for the voice call is initiated by the set-top box.
US09866908B2 Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
The present invention provides a method of transmitting broadcast signals. The method includes, pairing with a companion device; receiving a PDI (Profiles, Demographics, Interests) table via broadcast signals, wherein the PDI table includes plural PDI questions related to personal interests for interactive contents, wherein the PDI table includes an ID identifying the PDI table; obtaining an answer for at least one of the PDI questions; storing the obtained answer in the PDI table; and delivering the PDI table having the obtained answer to the paired companion device.
US09866906B2 Apparatus and method for 3D broadcasting service in broadcasting system combined with mobile broadcasting
Provided is an apparatus and a method for providing a three-dimensional (3D) broadcasting service that may provide a two-dimensional (2D) fixed broadcasting service using a fixed broadcasting signal or a 2D mobile broadcasting service using a mobile broadcasting signal when a transmitter transmits each of a left image and a right image constituting a 3D image using the fixed broadcasting signal or the mobile broadcasting signal, and the receiver receives the fixed broadcasting signal and the mobile broadcasting signal, or may provide a 3D broadcasting service by composing an image received using the fixed broadcasting signal and an image received using the mobile broadcasting signal into a 3D image.
US09866905B1 Set-top box reboot and polling tool
A system and method for polling a plurality of client devices of different types are provided. A reboot and polling tool pre-polls client devices, where the pre-poll is specific to a type of client device and identifies a state of the client devices. The reboot and polling tool then executes a script on the client devices that changes the state of the plurality of client devices. After the script is executed, the reboot and polling tool post-polls the client devices where the post-poll is specific to the type of client device and the post-poll provides information that identifies changes in the state of the client devices caused by the script.
US09866902B2 Social sharing and unlocking of reactions to content
Viewers of a video content item may provide reaction videos, that show the viewer's reactions to a content item while the viewers view the content item. The reaction videos may be provided to a friend, or other member of a social circle of the viewers, when the friend views the content item. The reaction videos may be locked until the friend provides consent to have his or her reaction captured while watching the content.
US09866900B2 Methods, apparatus and articles of manufacture to detect shapes
Methods, apparatus, and articles of manufacture to detect shapes are disclosed. An example method includes determining a depth value associated with an object outline detected in image data representative of an environment; and using the depth value to select a first group of reference shapes to be compared to the object outline from a collection of reference shapes, the first group representing a portion of the collection of reference shapes.
US09866895B2 Personalized standby and transition screens
Methods, system, and set-top box are provided. A method for personalizing a home screen of an electronic device includes entering a standby mode of the electronic device, loading modules based on personalization indicators, retrieving content that is associated with the modules, and generating a video signal while the electronic device is in one of the standby mode and a startup mode. The video signal includes the content. The entertainment system and the set-top box are provided for performing the method.
US09866889B2 Asymmetric content delivery of media content
Systems, devices and methods are provided to support efficient and secure delivery of a media stream or content file to a mobile phone, tablet, computer or other remote device. Most of the media stream's content is received directly from a content source for efficient bandwidth allocation, but at least a portion of the stream is delivered from a set top box, television receiver, or other home device that is located at the customer's premises to preserve the security of the stream. The portion that is delivered from the home device may be a key portion of the stream that is essential to the playback of media stream.
US09866888B1 Systems and methods for creating a virtual channel for binge watching
Systems and methods are described herein such that, a media guidance application presents, in an interactive program guide, a virtual content source for binge watching a program series. The media guidance application may determine a program series a user is currently watching. The media guidance application may determine the number of episodes the user watches in one session. The media guidance application may predict the next episodes of the program series the user may want to watch and present them using a virtual content source.
US09866886B2 Method and apparatus for distributing a media content service
A media content service is distributed across a distribution network. A plurality of media content service representations (80A, 80B) for the media content service are generated. Each of the media content representations (80A, 80B) has a different bit rate. Each of the media content service representations (80A, 80B) is divided into segments (81A, 81B). Segments (81A, 81B) of the plurality of media content service representations are aligned in time. The segments are transmitted as a sequence of bursts (82A, 82B). The bursts of the plurality of media content service representations are aligned in time. There is a window period (83) between successive bursts during which media content is not transmitted. Each of the media content service representations is transmitted as a multicast. Each of the generated media content service representations (80A, 80B) has a respective bit rate and each of the segments (81A, 81B) is transmitted at a higher bit rate to create the window periods (83) between successive bursts (82A, 82B).
US09866879B2 IP-based television messaging services
Architecture for the delivery of IP-based messages from wired and/or wireless devices to a television system. The means for delivery can be via an Internet Protocol Television (IPTV) technology. The message is processed through a messaging system that obtains a mapping of a message address to an IPTV address, and routes the message to an IPTV network for delivery the desired television system for presentation. Messaging can be via SMS (short message service) for textual content, MMS (multimedia messaging service) for multimedia content, or other messaging technologies, such as instant messaging, an e-mail, for example. Optionally, the message from the user device can include a request for confirmation of delivery of the message to the television. The confirmation can then be routed back over an IP data network to the user device and presented to the user.
US09866878B2 Systems and methods for encoding and playing back video at different frame rates using enhancement layers
Systems and methods in accordance with embodiments of this invention provide for encoding and playing back video at different frame rates using enhancement layers. In a number of embodiments, video is encoded using temporal scalability involving the creation of a base layer at a first frame rate and an enhancement layer including additional frames enabling playback at a second higher frame rate. The second higher frame rate can also be referred to as an enhanced frame rate. In a number of embodiments, the base and enhancement layers are stored in one or more container files that contain metadata describing the enhancement layer. Based on the capabilities of a playback device, it can select the particular frame rate at which to playback encoded video.
US09866875B2 Low complexity entropy-encoding/decoding method and apparatus
Entropy encoding and entropy decoding of image data are respectively performed whereby context modeling is performed on a context unit of blocks of the image data based on a context model of a previously encoded or decoded block.
US09866874B2 Method for entropy-encoding slice segment and apparatus therefor, and method for entropy-decoding slice segment and apparatus therefor
Provided are entropy encoding and entropy decoding for video encoding and decoding. The video entropy decoding method includes: determining a bin string and a bin index for a maximum coding unit that is obtained from a bitstream; determining a value of a syntax element by comparing the determined bin string with bin strings that is assignable to the syntax element in the bin index; storing context variables for the maximum coding unit when the syntax element is a last syntax element in the maximum coding unit, a dependent slice segment is includable in a picture in which the maximum coding unit is included, and the maximum coding unit is a last maximum coding unit in a slice segment; and restoring symbols of the maximum coding unit by using the determined value of the syntax element.
US09866873B2 Method for entropy-encoding slice segment and apparatus therefor, and method for entropy-decoding slice segment and apparatus therefor
Provided are entropy encoding and entropy decoding for video encoding and decoding. The video entropy decoding method includes: determining a bin string and a bin index for a maximum coding unit that is obtained from a bitstream; determining a value of a syntax element by comparing the determined bin string with bin strings that is assignable to the syntax element in the bin index; storing context variables for the maximum coding unit when the syntax element is a last syntax element in the maximum coding unit, a dependent slice segment is includable in a picture in which the maximum coding unit is included, and the maximum coding unit is a last maximum coding unit in a slice segment; and restoring symbols of the maximum coding unit by using the determined value of the syntax element.
US09866871B2 Use of frame caching to improve packet loss recovery
Various new and non-obvious apparatus and methods for using frame caching to improve packet loss recovery are disclosed. One of the disclosed embodiments is a method for using periodical and synchronized frame caching within an encoder and its corresponding decoder. When the decoder discovers packet loss, it informs the encoder which then generates a frame based on one of the shared frames stored at both the encoder and the decoder. When the decoder receives this generated frame it can decode it using its locally cached frame.
US09866870B2 Image processing device and image processing method
An image processing device including a decoding section configured to decode an image from an encoded stream, a horizontal filtering section configured to apply a deblocking filter to a vertical block boundary within an image to be decoded by the decoding section, a vertical filtering section configured to apply a deblocking filter to a horizontal block boundary within an image to be decoded by the decoding section, and a control section configured to cause the horizontal filtering section to filter in parallel a plurality of vertical block boundaries included in a processing unit containing a plurality of coding units and cause the vertical filtering section to filter in parallel a plurality of horizontal block boundaries included in the processing unit.
US09866869B2 POC value design for multi-layer video coding
In an example, a method of coding video data includes coding, by a video coder, at least a portion of a picture of an independently decodable non-base layer of a multi-layer bitstream. The method also includes coding, by the video coder, data indicating a picture order count (POC) value reset for a POC least significant bits (LSB) value of the picture only when the picture has a POC LSB value for the picture is equal to zero.
US09866865B2 Moving picture decoding device, moving picture decoding method, and moving picture decoding program
A motion vector predictor candidate constructing unit performs prediction based on a motion vector of one of coded blocks neighboring a coding target block in the same picture as the coding target block, constructs a plurality of motion vector predictor candidates, and adds the motion vector predictor candidates to a motion vector predictor candidate list. A motion vector predictor candidate number limiting unit limits the number of motion vector predictor candidates added to the motion vector predictor candidate list to a maximum candidate number according to a size of a prediction block. A motion vector predictor selecting unit selects a motion vector predictor from the motion vector predictor candidate list. A coding unit codes information representing an index of the selected motion vector predictor in the motion vector predictor candidate list.
US09866861B2 Method for encoding and decoding image and device using same
Method and apparatus for deriving a temporal motion vector predictor are described. A method for deriving a temporal motion vector predictor according to the present invention includes selecting a reference picture for a current block, determining a prediction block that corresponds to a predetermined storage unit block in the reference picture as a reference prediction unit for the current block, and deriving a temporal motion vector predictor from motion information of the determined reference prediction unit. According to the present invention, image compression efficiency can be improved.
US09866860B2 Method and system to combine multiple encoded videos into an output data stream of encoded output frames
Methods and systems described herein provide for combining multiple data streams representing respective videos into an output data stream. An example implementation may involve receiving a first data stream that represent a first video and a second data stream that represent a second video. The first data stream and the second data stream may include a first sequence of frames that includes first intra-coded frames and a second sequence of frames that includes second intra-coded frames, respectively. The example implementation may further involve combining the received first data stream and the received second data stream to obtain an output data stream of encoded output frames such that an encoded output frame includes a respective frame of the first sequence and a respective frame of the second sequence and that first intra-coded frames are combined with respective second intra-coded frames in respective encoded output frames within the output stream.
US09866856B2 Image decoding device and image coding device
A reference picture information decoding unit (13) omits decoding of a reference list sorting presence or absence flag and/or a reference list sorting order based on the number of current picture referable pictures.
US09866849B2 Image processing apparatus and method
An image processing apparatus and a method for processing an image. The image processing apparatus includes circuitry configured to set a current quantization parameter for a current coding block in a layer lower than a layer of a largest coding block and a quantization parameter based on a difference between the current quantization parameter for the current coding block and a slice quantization parameter for a slice in which the current coding block is located. The circuitry quantizes image data to generate quantized data based on the current quantization parameter. Further, the circuitry codes the generated quantized data in a coding block including a hierarchical structure to generate a code data including the quantization parameter.
US09866844B2 Method, system and device for image and video coding
The present invention relates to a method of image processing or coding comprising dividing image data into a plurality of blocks of image data wherein each block is defined by a first positional index and a second positional index. For each block of image data, firstly the block of image data is processed at step 402 to generate at least one parameter value required to process one or more adjacent blocks of image data, secondly a position of a memory element in a parameter memory is determined by combining the first positional index of the block of image data with the second positional index of the block of image data, and thirdly the generated at least one parameter value is stored at step 406 in a memory element in the position by overwriting at least one parameter value generated from a previously processed block of image data which has been previously stored at the determined position in the parameter memory. The method enables at least one parameter value for an image section image section to be generated and stored in a position which is occupied by a previously generated parameter value. All of the parameter values are stored in a simple one-dimensional array which is computationally efficient to access.
US09866843B2 Method and device for intra prediction
A method for decoding an image according to the present invention comprises the steps of: receiving and decoding MPM index information for indicating an MPM candidate which is to be used as an intra prediction mode of a current block; generating an MPM candidate list containing a plurality of MPM candidates for the current block; determining the MPM candidate indicated by the decoded MPM index information as the intra prediction mode of the current block, among the plurality of the MPM candidates which constitute the MPM candidate list; and generating a prediction block corresponding to the current block by performing intra prediction for the current block based on the determined intra prediction mode.
US09866842B2 Image coding method and apparatus using spatial predictive coding of chrominance and image decoding method apparatus
A coding method including dividing pixels of a chrominance component of an input image into blocks having a predetermined size; selecting one among a direct current prediction method, a vertical prediction method, a horizontal prediction method, and a hybrid prediction method according to a user's input; generating a prediction value of each pixel in a current block to be predictively coded, using at least one pixel value among pixel values in an upper reference block adjacent to the current block and in a side reference block adjacent to the current block, according to the selected prediction method; generating a differential value between the prediction value and a corresponding real pixel value in the current block; and coding the differential value and information on the selected prediction method using a predetermined coding method.
US09866840B2 Method and apparatus for vertex error correction
A 3D model can be modeled using “pattern-instance” representation, wherein an instance component may be represented as transformation (for example, rotation, translation, and scaling) of a pattern. Quantization errors may be introduced when encoding rotation information, causing different vertex coordinate errors at different 5 vertices of an instance. To efficiently compensate the vertex coordinate errors, the encoder decides a quantization parameter for compensating a vertex coordinate error. The quantization parameter is signaled in the bitstream as a quantization index. The quantization index, a quantization table the indicates a mapping between quantization indices and quantization parameters, and vertex coordinate errors are 10 encoded into a bitstream. The quantization table may be built based on statistical data. At the decoder, the vertex coordinate error is decoded based on a quantization parameter, which is determined from a received quantization index.
US09866839B2 Method for encoding and decoding quantized matrix and apparatus using same
The present invention relates to a method for encoding and decoding a quantized matrix and an apparatus using same, the method for encoding a quantized matrix according to the present invention including the steps of: determining a quantization matrix to be used for quantization and quantizing; determining the prediction method used for the quantization of the quantization matrix; and encoding quantization matrix information on the basis of the determined prediction method, wherein the prediction method can be either a prediction method between coefficients in the quantization matrix or a duplicate of the quantization matrix.
US09866837B2 Apparatus and methods for recompression of digital images
A system and method for generating a second reduced size digital image from a first digital image, the method including iteratively compressing the first digital image to an extent determined by a quality measure comprising at least a blockiness measure quantifying added artifactual edges along coding block boundaries of the second image and/or use of a quantization matrix generated by computing a weighted average of the quantization matrix of the first digital image and a scaled second quantization matrix.
US09866834B2 Adaptive filtering based upon boundary strength
An image decoding apparatus that includes a motion compensation prediction circuit configured to conduct motion compensation prediction for each of blocks to be decoded by using the reconstructed image, an inverse transformation circuit configured to conduct inverse orthogonal transformation for the data of the blocks to be decoded, and a determination circuit configured to determine a filtering strength and whether or not to conduct filtering, with respect to each of the boundaries. In addition, the determining circuit is configured to determine filtering is conducted when at least one of the two adjacent blocks is intra-coded, and filtering is not conducted when both of the two adjacent blocks are not intra-coded, a non-zero transformation coefficient is not coded in both of the two adjacent blocks, the two adjacent blocks are predicted by the same reference frame, and an absolute value of a difference between motion vectors of the two adjacent blocks is smaller than a specified threshold value.
US09866831B2 Method and encoder system for encoding video
A method for encoding video is disclosed. The method comprises the steps of receiving information representative of pixels in a current digital image frame of a video to be encoded, calculating a group value for each group of neighboring pixels based on the received information, accumulating group values of corresponding groups of pixels in a first sequence of frames to form a first accumulation of accumulated group values, accumulating group values of corresponding groups of pixels in a second sequence of frames to form a second accumulation of accumulated group values, wherein the second sequence includes frames captured over a longer period of time than the first sequence, comparing accumulated group values of the first accumulation with accumulated group values of the second accumulation, calculating a global change value based on the comparison, setting a GOP length based on the global change value; and encoding the current image frame as an intra-frame or inter-frame based on the GOP length. An encoder system for encoding video is also disclosed.
US09866829B2 Coding of syntax elements that correspond to coefficients of a coefficient block in video coding
A video encoder performs multiple coding passes on coefficients in a coefficient block. During each coding pass, the video encoder encodes a different set of syntax elements for coefficients in the coefficient block. A video decoder uses the syntax elements for a coefficient to determine the value of the coefficient. When the video encoder performs a coding pass, the video encoder selects a coding context for a syntax element based at least in part on a syntax element generated in an earlier coding pass for a non-causal coefficient and based at least in part on a value of a syntax element generated during the current coding pass for a causal coefficient. The video encoder entropy encodes the syntax element based on the selected coding context. A video decoder performs a similar series of coding passes in which the video decoder selects coding contexts and entropy decodes the syntax elements.
US09866828B1 Video timing test equipment and methods of using the same for measuring light integration time of a camera
A video timing test equipment for measuring light integration time of a camera. The video timing test equipment may comprise: a control unit and shutter timing test unit. The control unit may generate input timing signals adjustable by a user. The shutter timing test unit may comprise light emitting diodes (LEDs), infrared light emitting diodes (IR LEDs), and an output controller. The output controller may regulate the illumination of the LEDs and IR LEDs based on the input timing signals. The shutter timing test unit may also comprise a UTC time display, edge time display, and pulse width display. The UTC time display may depict a UTC time as to when light integration begins or ends. The edge time display may depict an offset time associated with the start or end of light integration. The pulse width display may depict the duration of light integration.
US09866826B2 Content-adaptive multi-focal display
A multi-focal display represents a 3-dimensional scene by a series of 2-dimensional images located at different focal planes. The locations of the focal planes are selected based on an analysis of the three-dimensional scene to be rendered by the multi-focal display.
US09866824B2 Position indicator for 3D display
A device 120 for processing three-dimensional [3D] image data 122 for display on a 3D display 160, the 3D display being arranged for adjacently emitting, in a viewing cone 180, a series of views 100 of the 3D image data, the series of views enabling autostereoscopic viewing of the 3D image data at multiple viewing positions 182, 184 in the viewing cone by a viewer perceiving two different ones of the series of views, and the device comprising an indicator generator 140 arranged for establishing a graphical shape in the 3D image data for, when being displayed on the 3D display, providing to the viewer a position indicator graphically representing a relative position of the two different ones of the series of views within the series of views.
US09866820B1 Online calibration of cameras
An electronic device can have two or more pairs of cameras capable of performing three-dimensional imaging. In order to provide accurate disparity information, these cameras should be sufficiently calibrated. Automatic calibration can be performed by periodically capturing images with a pair of front-facing cameras and locating matching facial or other feature points in corresponding images captured by those cameras. Correspondences can be detected between feature points and the corresponding feature points can be normalized and outlier feature points can be rejected. A transformation matrix can be determined using at least a portion of remaining feature points and can be used to determine rotation and translation parameters to correct for misalignment between the cameras. The calibration parameters can be refined or otherwise adjusted, and can be used or stored for use in correcting images subsequently captured by those cameras.
US09866806B2 Prism unit and projector
A prism unit that combines light in the three primary colors of R, G, and B on the same optical axis includes: a G-reflecting dichroic coating that reflects G light and passes R and B light; and an RB dichroic coating that reflects one of R and B, and passes the other one of R and B, the prism unit satisfying the following conditional expression: λrg≧λrb≧0.67×λrg+0.33×λgb, where λgb represents the wavelength at which the transmittance is 50% when the colors of G and B on the composite optical axis are combined, λrg represents the wavelength at which the transmittance is 50% when the colors of R and G on the composite optical axis are combined, and λrb represents the wavelength at which the transmittance is 50% when the colors of R and B on the composite optical axis are combined.
US09866802B2 Communication and monitoring system
An audio-video communication system comprises a wireless exterior module located proximate an entrance, a computerized controller running a software application, and a remote peripheral device. The wireless exterior module includes a proximity sensor for detecting a person at the entrance, a video camera for recording an image of the person at the entrance, a microphone for recording the person at the entrance, a speaker for playing audio to the person at the entrance, a transmitter for communicating sounds and images of the person at the entrance, and a receiver for receiving communications at the wireless exterior module. The computerized controller is disposed in wireless electronic communication with the wireless exterior module via the transmitter and the receiver of the wireless exterior module. The remote peripheral device is configured to electronically communicate with the computerized controller for viewing an image from the video camera communicated from the wireless exterior module.
US09866797B2 System and method for monitoring a fall state of a patient while minimizing false alarms
Various embodiments concern a system for monitoring a patient in a bed, the system comprising a camera, a user interface comprising a screen, and a computing system. The computing system can be configured to monitor, with the camera, for motion within each of a plurality of zones, the plurality of zones comprising a one or more inner zones extending adjacent along the bed, one or more outer zones extending adjacent along the one or more inner zones, and one or more end zones. Motion within the inner zones can trigger a fall alert while motion within the outer or end zones can suspend one or more functions to prevent the fall alert from being issued. The end zones can comprise a bottom zone and one or more top zones.
US09866796B2 Imaging apparatus, imaging method, and computer-readable recording medium
An imaging apparatus includes: an imaging unit that generates image data containing a subject image; a part dividing unit that divides the subject image into a plurality of parts; a changed-image data generating unit; a display control unit that allows a display unit to display an avatar image; a touch panel that accepts a user operation that changes a positional relationship between a plurality of resions contained in the avatar image; a positional relationship storage unit that stores positional relationship information related to the positional relationship between the plurality of resions changed according to the user operation; and an imaging control unit that allows a recording unit to record the image data, based on the positional relationship information and a positional relationship between the plurality of parts.
US09866794B2 Portable presentation system and methods for use therewith
A method and assembly for sharing information in a conference space, the assembly comprising a display configuration including presentation surface area juxtaposed within the conference space for viewing by an audience, the surface area including at least first and second adjacent presentation sub-spaces, a processor programmed to perform the steps of presenting an interface on the surface area useable to generate session images within at least one of the sub-spaces, the interface including a panel section in which a separate panel icon for each of the session images created during a session is presented, the interface further including a separate space on the surface area associated with each of the sub-spaces, the interface facilitating selection and dragging of panel icons to locations associated with the sub-spaces to control the images presented in each of the sub-spaces, wherein, when a panel icon is dragged to a space, an image currently associated with the sub-space is replaced at the sub-space.
US09866792B2 Display apparatus and echo cancellation method thereof
A display apparatus is provided. The display apparatus includes a display, a video receiver, and a processor. The display is configured to display an image. The video receiver is configured to receive an input signal of an impulse response. The processor configured to divide the input signal into sub-bands, apply primary echo-cancellation to the input signal by using sub-band signals corresponding to the sub-bands, estimate a residual echo based on acoustic echo path information obtained in the primary echo-cancellation with regard to each of the sub-bands, and perform secondary echo-cancellation to remove the estimated residual echo from the primary-echo-canceled input signal.
US09866790B2 Information processing system, information processing apparatus, and information processing method
An information processing system includes a first information processing terminal and an information processing apparatus coupled to the first information processing terminal. The information processing system includes a storage unit configured to store codec data indicating a codec that can be used for performing communication between the first information processing terminal and a second information processing terminal other than the first information processing terminal; and a determining unit configured to make a first determination of determining whether there is a codec that can be used by both the first information processing terminal and the second information processing terminal, based on the codec data.
US09866789B2 Automatic program formatting for TV displays
A smart multimedia content receiver automatically resizes video images based on the content being displayed on the TV screen. Such a self-formatting content receiver includes on-board image processing capability that provides continuous video analysis to detect changes in program formatting and convert each frame as it is received in real time, as opposed to processing and re-releasing an entire program or movie, or relying on the viewer to re-format programs manually. In response to detecting a change, aspect ratio adjustments are made as needed. Because the self-formatting content receiver has access to the video data before it is displayed, such automatic on-the-fly adjustments ensure that the viewer's experience during program changes is seamless and without distortion. Subscribers can influence decisions made by the content receiver by pre-setting viewer preferences for aspect ratio adjustment.
US09866788B2 Digital content conversion quality control system and method
Automated, algorithmic quality control is performed for digital content converted from one form or format to another. Such conversion may be made of movies, television programs, feature films, advertisements, or any other content. The conversion process may be semi or fully automated, and may include a range of alterations, such as pulldown or frame rate conversions, size and/or resolution conversions, addition of content, deletion of content, and so forth. Actual content contained in pre- and post-converted frames is utilized, such as by image recognition techniques, as a base for the quality control routines. Audio data may also be considered. The quality control is fully or nearly fully automated with minimal manual involvement.
US09866787B2 Method for configuring networked cameras
A method for configuring a plurality of networked cameras includes sending a request to the plurality of networked cameras requesting information relating to enabled storage type of each networked camera, receiving a response from networked cameras. The response includes information relating to storage type enabled in networked camera. The method further includes determining storage type to use for each networked camera that are enabled to autonomously store images at a storage means, where the determining of storage type is performed based on the information relating to enabled storage types received from these networked cameras, and sending a storage instruction to each camera for which a storage type has been determined. The storage instruction instructs a camera to store captured images on a storage means of a specific type.
US09866785B2 Automatic reduction of video display device power consumption
One or more components of a video display device such as a television set can be powered down in response to a determination that a video input source has been paused. The video signal provided by the video input source can be analyzed to determine whether the video source is paused. When the video input source is no longer paused, the powered down components can be restored to fill power operation.
US09866784B2 Methods, systems, and products for programming guides
Methods, systems, and products generate a programming guide. An association is stored between programming events and a package of programming. The programming guide is generated as a programming grid of cells that displays a wrapper surrounding all cells in the programming grid of cells that are associated with the programming events in the package of programming.
US09866783B2 Display control apparatus and method in a mobile terminal capable of outputting video data to an external display device
A mobile terminal and a method for a mobile terminal are provided. The mobile terminal includes a display unit, a controller to separate a main screen and a sub screen from video data, the main screen to be displayed on an external display device and the sub screen to be displayed on the display unit, and an interface to wirelessly transmit the main screen to the external display device for display while the sub screen is displayed on the display unit.
US09866782B2 Enhanced view for connected cars
Network connectivity is used to share relevant visual and other sensory information between vehicles, as well as delivering relevant information provided by network services to create an enhanced view of the vehicle's surroundings. The enhanced view is presented to the occupants of the vehicle to provide an improved driving experience and/or enable the occupants to take proper action (e.g., avoid obstacles, identify traffic delays, etc.). In one example, the enhanced view comprises information that is not visible to the naked eye and/or cannot be currently sensed by the vehicle's sensors (e.g., due to a partial or blocked view, low visibility conditions, hardware capabilities of the vehicle's sensors, position of the vehicle's sensors, etc.).
US09866777B2 Image sensor and driving method therefor
The objective of the present invention is to embody a convenient and reliable image sensor of an auto trigger scheme. The present invention provides a driving method for an image sensor in which pixels are arranged in a matrix form along row lines and column lines and which has a waiting mode and an image obtaining mode, the driving method for an image sensor comprising the steps of: when sequentially selecting a row line, applying a gate signal, and reading out a data signal for each frame in the waiting mode, calculating a variation between the data signal of the currently selected row line and the data signal of the same row line in the previous frame; and if the variation is greater than or equal to a threshold value, determining that light has been radiated.
US09866774B2 Photoelectric conversion device and imaging system
A photoelectric conversion device includes a plurality of pixels arranged to form a plurality of columns, each of the pixels including a photoelectric conversion unit including first and second electrodes, a photoelectric conversion layer between the first and second electrodes, and an insulating layer between the photoelectric conversion layer and the second electrode, an amplifier unit connected to the second electrode and configured to output a signal, and a reset unit for supplying a reset voltage to the second electrode. In accordance with a voltage applied between the first and second electrodes, an accumulating operation for accumulating signal charges and a removing operation for removing the signal charges are alternately executed, the reset unit supplies the reset voltage for at least a part of a horizontal scanning period, and the period during which the reset unit supplies the reset voltage is longer than the horizontal scanning period.
US09866772B2 Method for processing a video stream
A method for correcting and presenting a barrel distorted image is disclosed. In the method an output image is created having a user-defined aspect ratio (AR), and the method comprises acquiring a continuous flow of barrel distorted images in a video camera and processing the image in an image processing unit. The processed image is added as an output image to an image stream, and the actual processing includes applying a barrel distortion correction so as to form a corrected image having a smallest width (w′) and a smallest height (h′), and generating the output image by cropping the corrected image to a height exceeding or equaling the smallest height (h′) and having the user-defined aspect ratio (AR).
US09866770B2 Methods and apparatus for true high dynamic range (THDR) time-delay-and-integrate (TDI) imaging
In time-delay-and-integrate (TDI) imaging, a charge-couple device (CCD) integrates and transfers charge across its columns. Unfortunately, the limited well depth of the CCD limits the dynamic range of the resulting image. Fortunately, TDI imaging can be implemented with a digital focal plane array (DFPA) that includes a detector, analog-to-digital converter (ADC), and counter in each pixel and transfer circuitry connected adjacent pixels. During each integration period in the TDI scan, each detector in the DFPA generates a photocurrent that the corresponding ADC turns into digital pulses, which the corresponding counter counts. Between integration periods, the DFPA transfers the counts from one column to the next, just like in a TDI CCD. The DFPA also non-destructively transfers some or all of the counts to a separate memory. A processor uses these counts to estimate photon flux and correct any rollovers caused by “saturation” of the counters.
US09866769B2 Nano-imaging device and systems and methods for implementing and using same
An imaging device configured to convert a first electromagnetic emission or spectrum to a second electromagnetic emission or spectrum is provided. In accordance with one aspect of the invention, the imaging device comprises an electromagnetic spectrum detector configured from a nanomaterial and operable to receive the first electromagnetic emission or spectrum and generate a voltage based at least in part on the received first electromagnetic emission or spectrum. The imaging device further comprises a capacitor, configured from a nanomaterial and operable to receive the generated voltage from the detector, store the voltage or charge for a brief period of time, and then release the stored voltage or charge. The imaging device further comprises an electromagnetic emission or spectrum emitter configured from a nanomaterial and operable to receive the stored and released charge or voltage from the capacitor and generate the second electromagnetic emission or spectrum in response to the charge or voltage received from the capacitor.
US09866768B1 Computer vision qualified infrared temperature sensor
Plant canopy images and temperature are acquired with a wireless computer vision instrument, and the temperature data are qualified and pixels within the image are classified. The instrument includes sensors for measuring plant radiation due to canopy temperature and an imaging sensor which collects data over four bands, a microprocessor to receive and store and process measured data from the sensors, and a wireless transmitter for transmitting data from the microprocessor to a remote receiver. The data are used to detect plant stress and canopy cover percentage and to qualify temperature data accordingly. The data from the sensors provide information for decision support algorithms related to the initiation of automatic irrigation scheduling as a function of crop canopy cover and water stress, the qualification of temperature data used in automatic irrigation scheduling algorithms, and the detection of diseased crops for the purpose of withholding irrigations when yield potential is compromised.
US09866767B2 In-time registration of temporally separated image acquisition using an imaging apparatus with three-dimensionally guided overlay
Embodiments facilitate in-time registration of temporally separated image acquisition sessions to obtain highly comparable images without physical restraint of the camera and/or subject. For example, while displaying a live view being acquired of a subject in real time in a viewfinder window of an image acquisition system, a live position of the system can be measured, a real-time offset can be computed between the live position and a guide position (corresponding to a position from which a prior image of the subject was acquired at a prior acquisition time), and a guide can be overlaid on the viewfinder window to indicate a real-time positional offset between the live view and the prior image according to the real-time offset. A present image of the subject can be acquired when the guide indicates an in-time registration between the live view and the prior image.
US09866765B2 Devices, methods, and systems for visual imaging arrays
Computationally implemented methods and systems include capturing a scene that includes one or more images, through use of an array of more than one image sensor, selecting a particular portion of the scene that includes at least one image, wherein the selected particular portion is smaller than the scene, transmitting only the selected particular portion from the scene to a remote location, and de-emphasizing pixels from the scene that are not part of the selected particular portion of the scene. In addition to the foregoing, other aspects are described in the claims, drawings, and text.
US09866763B2 Auto-iris control method
An auto-iris control method, including setting a target luminance value of an auto iris; collecting an image at a current moment and calculating a luminance value of the image collected at the current moment; comparing the target luminance value with the luminance value of the image collected at the current moment; comparing an absolute value of the luminance difference at the current moment with a preset luminance difference threshold, determining a status of the auto iris at the current moment, and using a corresponding proportional-integral-derivative (PID) algorithm to calculate a direct current control voltage at the current moment; and adjusting an action of the auto iris according to the calculated direct current control voltage.
US09866762B2 Image capture device having image signal processor for generating lens control signal
Provided is a method for controlling a video lens in an image capture device which uses a complementary metal oxide semiconductor (CMOS) image sensor. A vertical sync (Vsync) signal and a horizontal sync (Hsync) signal are separately generated and then synthesized. Thereafter, the resulting signal is synthesized with a DC level mode luminance signal to generate a lens control signal for controlling the video lens.
US09866755B2 Image capture apparatus and method for controlling the same
In an image capture apparatus that can perform processing using an image on which information displayed by a display device is superimposed and a method for controlling the same, the influence of the superimposed information included in the image is reduced. A first image in which information displayed by the display device is superimposed on an optical finder image is acquired. Then, the predetermined image processing is performed using a second image that excludes data on a pixel having the display color of the information, of pixels included in the first image.
US09866753B2 Electronic device having camera and method for operating the same
Disclosed herein is a method of operating an electronic device having a camera. The electronic device includes a camera, a display unit, a sensor unit configured to detect an external event value, an image processor configured to process data received through the camera into a preview image, and a main processor. The main processor is configured to switch from a preview mode to a ready mode when the external event value is detected by the sensor unit, wherein the preview mode comprises activation of the camera, the image processor to display the preview image on the display unit, and the ready mode comprises deactivation of the camera and the image processor and display of a ready mode image on the display unit.
US09866751B2 Image recording apparatus and imaging apparatus
There are provided an image recording apparatus and an imaging apparatus. In the image recording apparatus and the imaging apparatus, a control unit identifies whether an input image input by an image input unit is an omnidirectional image or an ordinary image. An image editing unit, based on an omnidirectional image, converts the omnidirectional image into a panoramic image by developing the omnidirectional image in a circumferential direction. Then, the image editing unit records the converted panoramic image on a recording medium. As for an ordinary image, the image editing unit records the input image input by the image input unit on the recording medium.
US09866749B2 System for publishing digital images
A system for publishing digital images wherein a mobile device (14) that stores at least one digital image generates output signals in response to operator commands. The mobile device (14) communicates with a source of digital instructions (18) thorough a communication network (16) such that digital instructions are downloaded to the mobile device. The mobile device is thereafter in selective communication with a server (12) that stores digital images, maintains a user profile corresponding to the user of the mobile device, and publishes digital images to at least one digital address (24, 26, 28, 30).
US09866747B2 Optical displacement measurement system, imaging condition optimization method, and imaging condition optimization program
There are provided an optical displacement measurement system, an imaging condition optimization method, and an imaging condition optimization program which facilitate setting of an optimal imaging condition. States of a plurality of imaging parameters for setting an imaging condition are set by an imaging setting unit. When the set state of any of the plurality of imaging parameters is changed, a plurality of pieces captured image data according to respective imaging conditions are generated by a light receiving unit. Profile data indicating a profile shape is generated by a profile generation unit based on each piece of generated captured image data. Based on each piece of generated profile data or captured image data corresponding to the profile data, a degree of reliability of a profile shape indicated by the profile data is calculated by a reliability calculation unit.
US09866741B2 Speaker-dependent voice-activated camera system
A voice-activated camera system for a computing device. The voice-activated camera system includes a processor, a camera module, a speech recognition module and a microphone for accepting user voice input. The voice-activated camera system includes authorized for only a specific user's voice, so that a camera function may be performed when the authorized user speaks the keyword, but the camera function is not performed when an unauthorized user speaks the keyword.
US09866740B2 Image sensor having multiple output ports
An apparatus is described that includes an image sensor having a first output port and a second output port. The first output port is to transmit a first image stream concurrently with a second image stream transmitted from the second output port.
US09866736B2 Device having a camera unit and a double-walled housing
The invention relates to a device, comprising a camera unit (7), which is used to record images of the outside region (2) of a motor vehicle (3), a housing (10, 20), in which the camera unit (7) is movably arranged, and a protective element (4), which can be moved between an open position (5) and a closed position (6), wherein the camera unit (7)assumes an idle position (60) in the closed position (6) of the protective element (4), in which idle position the camera unit (7) is located behind the protective element (4) and thus is inaccessible from the outside region (2), and the camera unit (7) is located in the active position (61) for recording images in the open position (5) of the protective element (4). According to the invention, the housing (10, 20) is double-walled at least in some regions in such a way that the housing (10, 20) has an inner wall (13) having at least one opening (11, 12) and the housing (10, 20) has an outer wall (23), which has an outlet opening (21), through which liquid possibly contained in the housing (10, 20) can be discharged to the outside region (2).
US09866733B2 In-vehicle display device
An in-vehicle display device includes video input section into which a picture output from mobile terminal is input and display connected to video input section via video output controller and video output section. An output section of video input section is connected to an input section of image characteristics detector, an output section of image characteristics detector is connected to a first input section of image discriminator, an output section of vehicle operating state detector is connected to a second input section of image discriminator, and an output section of the image discriminator is connected to an input section of video output controller. Further, image discriminator compares an output from image characteristics detector with an output from vehicle operating state detector, and controls an output to video output controller.
US09866731B2 Coordinating and mixing audiovisual content captured from geographically distributed performers
Audiovisual performances, including vocal music, are captured and coordinated with those of other users in ways that create compelling user experiences. In some cases, the vocal performances of individual users are captured (together with performance synchronized video) on mobile devices, television-type display and/or set-top box equipment in the context of karaoke-style presentations of lyrics in correspondence with audible renderings of a backing track. Contributions of multiple vocalists are coordinated and mixed in a manner that selects for visually prominent presentation performance synchronized video of one or more of the contributors. Prominence of particular performance synchronized video may be based, at least in part, on computationally-defined audio features extracted from (or computed over) captured vocal audio. Over the course of a coordinated audiovisual performance timeline, these computationally-defined audio features are selective for performance synchronized video of one or more of the contributing vocalists.
US09866730B2 Semi-fixed-hue gamut compression
One or more apparatus and method for compressing xvYCC or sRGB color to a narrower color gamut. Embodiments may be utilized in processing images/video image sequences provided in a wide gamut color space for display in standard RGB color space. In further embodiments, an sRGB or xvYCC compliant input is compressed to a gamut narrower than sRGB. Embodiments where a narrow output color gamut lacks a fully-defined 3D color space, semi-fixed-hue gamut compression may be performed by adjusting parameters provided to a fixed-hue compression module capable of mapping 3D color space representations between well-defined gamuts.
US09866729B2 Image processing apparatus, image processing method, and storage medium for color separation and quantization processing
An image processing apparatus of the embodiments includes: an input unit configured to input a hue signal representing a hue of an image and an image quality signal representing a texture of the image; a conversion unit configured to convert the image quality signal into a physical quantity signal indicating at least one physical quantity of a refractive index of a color material, surface roughness of an image, an area ratio of dots on an image surface, and a layer thickness of a color material in an image corresponding to the image quality signal; and a dot arrangement determination unit configured to determine a color material dot arrangement for outputting the image based on the hue signal and the physical quantity signal.
US09866727B2 Image calibration method and device
An image calibration method and device. A deviation compensation coefficient of each pixel is calculated according to image data generated by strong and weak lighting parameters, and the deviation compensation coefficient is used to calibrate data of each image pixel collected and output by an image sensing unit. Therefore, the influence of inconsistency of each photosensitive element of the image sensing unit on the image greyscale can be eliminated, so that the effect of document medium image recognition is increased. The method in the embodiments of the present invention comprises: S1, acquiring a strong lighting parameter of each photosensitive element within a long exposure time and a weak lighting parameter thereof within a short exposure time; S2, acquiring image data of a sheet medium; and S3, according to the strong lighting parameter, the weak lighting parameter and the image data, calculating the calibrated image data of the sheet medium.
US09866725B2 Image processing system, information processing apparatus, and recordable medium
An image processing system comprises a generating unit that reads documents and generates a read image including document images; an extracting unit that extracts each of the document images; a character recognizing unit that performs character recognition processing on each the document images; a determining unit that determines whether first information and second information have a pair relationship, the first information being any one of recognition results obtained on one side of the document images, and the second information being any one of recognition results obtained on the other side of the document images; and a registering unit that registers pieces of information for the recognition results corresponding to the one side and to the other side respectively including the first information and the second information which are determined that both pieces of information have the pair relationship, as information for a piece of the documents, in a storage unit.
US09866724B2 Pixel perturbation for transmission of meta-information
Techniques disclosed herein provide an approach using pixel perturbation to transmit information. In one embodiment, a pixel perturbation engine perturbs pixels of an image to encode meta-information therein. In particular, the perturbation engine may perform controlled perturbation of pixel bits which are unlikely to affect visual quality are perturbed, such as perturbing the least significant bits in one or more channels of a RGB or YUV image. Higher order bits may also be perturbed in color channels such as the blue or UV channels that the human eye is less sensitive to. To mitigate loss of information, the information may be encoded using error correcting codes. After the image having meta-information encoded therein is transmitted to a client device, the meta-information may be recovered and used to determine performance of the virtual desktop infrastructures (VDI) system.
US09866721B2 Information processing apparatus, image forming apparatus, and non-transitory computer readable medium for file distribution to servers
An information processing apparatus includes a memory, an electronic file obtaining unit, an attribute information obtaining unit, and a display. The memory stores server information in which servers are associated with confidentiality information and charge information. The electronic file obtaining unit obtains an electronic file. The attribute information obtaining unit obtains attribute information including confidentiality information about the electronic file. The display displays, in accordance with the server information and the attribute information, a server satisfying a confidentiality level that is adequate to save the electronic file and the charge information about the server.
US09866719B1 Image reading optical system and image reading apparatus
An image reading optical system includes an image reading unit including plural reading elements that are arranged in a first direction, a first reflective optical system configured to reflect reflection light which is irradiation light emitted from a light source and reflected on an object to be read, a second reflective optical system configured to condense the reflection light reflected on the first reflective optical system to the image reading unit, and an aperture stop including a plate shaped member formed with an aperture configured to regulate the reflection light reflected on the first reflective optical system in the first direction, the plate shaped member including at least one plate shaped piece bent at a preset angle with respect to the aperture along a tangent line of the aperture in the first direction.
US09866717B2 Image forming apparatus performing wireless communication and method of setting and starting a job thereof
An image forming apparatus including a wireless communication circuitry configured to make a wireless communication with a portable information processing device including a display unit; and a computer and a memory storing a program causing the computer to execute: a recognition step recognizing a portable information processing device that is within a communicable range through communication via the wireless communication circuitry; a job setting step receiving a job setting, and a job control step receiving a start instruction and executing the job in response to the start instruction, wherein the job setting step receives the job setting, which is made in the portable information processing device, via the wireless communication circuitry after the portable information processing device falls within the communicable range.
US09866716B2 Image forming apparatus that determines a movement destination of data
Provided is an image forming apparatus performing effective automated storage tiering. When the system control part of the CPU causes the image processing part to perform image processing of data read from the SSD having a processing speed higher than that of the HDD, the tiering control part measures a ratio of an idle time by the image processing relative to a usage ratio per unit time of the CPU, and determines a movement destination of the data.
US09866714B2 Creation of uniform resource identifiers including a scheme name associated with a print application
Examples disclosed herein relate to creation of uniform resource identifiers (URIs) including a scheme name associated with a print application. Examples include acquisition of print content, creation of a URI including URI scheme name associated with a print application and a reference to a user-privileged storage location of a computing device for the print content. Examples further include performing an application programming interface (API) call including the URI to cause an operating system to launch the print application.
US09866704B2 Line digital signal processing device and method
A line digital signal processing device and method. The device includes at least two line accessors and a data processor, where the at least two line accessors are connected to the data processor and each line accessor is not provided with line digital signal processing, and the data processor simultaneously performs line digital signal processing and service data recovery on service data sent by the at least two line accessors, thereby reducing complexity of an access device, and monitoring, maintenance, and alarming are simultaneously performed on complex line digital signal processing components.
US09866701B2 Efficient address caching for packet telephony services
A method for telephony includes receiving at an Internet telephony service provider a subscriber request to place a call to a telephone number. A cache associated with the internet telephony service provider is queried to check if the cache holds a record for the telephone number. If the cache holds the record, the record is obtained. If the cache does not hold the record, a request is sent to a database server that maintains a database of records associating endpoint user terminal telephone numbers of subscribers with respective packet network addresses of the endpoint user terminal. The call is placed to the endpoint user terminal telephone number via a public switched telephone network while the request is sent to the database server to retrieve the packet network address of the endpoint user terminal to which calls to the telephone number should be placed.
US09866699B2 Method, device, and system for managing a conference
A method can include the steps of logging in of mobile devices of participants when they are located in the same physical conference environment and managing the resources of these devices such that the resources of the logged-in devices are combined into an audio system to output audio conference information using a sound output process in the conference environment. The conference environment may be a conference room. The audio conference information may be audio to be output to the participants at the conference environment. The formed audio system can include speakers of the user devices for outputting such audio. The microphones of the user devices may also be used to form an audio input system for the conference for allowing audio of the participants to be received and transmitted during the conference. A communication system can be configured to implement embodiments of the method.
US09866698B2 Dynamic call control
A request to establish a voice communications session between a user of a telephonic device and an interactive voice response (IVR) system of a call handling system is received by a dynamic call control engine. A resource requirement for the voice communications session is determined. Resource usage data for multiple call handling systems is accessed by the dynamic call control engine. A particular call handling system from among the multiple call handling systems is selected based on the resource usage data and the resource requirement. A connection to be set up between the telephonic device and the particular call handling system to allow the user of the telephonic device to participate in the voice communications session with an IVR system of the particular call handling system is enabled.
US09866695B1 System and method for predictive routing based on a customer journey patience
A system includes a router to route an interaction by a customer to a contact center. A journey patience value is determined for the customer, where the journey patience value is based on a current journey stage of the customer. An action by the contact center is determined based on the determined journey patience value for the customer. The action is performed by the contact center based on the determined action.
US09866694B2 Systems and methods for state awareness across communication channels and statefully transitioning between communication channels
A system may provide state awareness across communication channels and statefully transition a user between a source channel and a destination channel. A method may include storing a unique identifier associated with the user and data associated with the user, retrieving the data associated with the user based upon the user identifier and in response to the user entering the destination channel that is different from the source channel, and populating the data associated with the user in the destination channel. The destination channel may include a display of a customer service representative, and the populating may occur automatically. Furthermore, the method may include placing a call to a telephone number associated with the user in response to at least one of: the user answering a requisite number of questions in the source channel and the user requesting a transition to a voice destination channel.
US09866690B2 System, method, and computer program product for contact center management
A system, method, and computer program product for customer contact management via voice, chat, e-mail and social network contacts includes a balanced service process (BSP) that includes a plurality of cause or response codes for maximizing first contact resolution (FCR) and CSAT. The BSP is incorporated within a contact center (single center, multiple centers and/or work at home), which receives voice calls, SMS messages, email, chat, or social media communications from customers. The BSP in real-time determines dispositions of such contacts, monitors and manages the performance of individual resolvers.
US09866684B2 Process for real-time data exchange between users on a phone call
A process for real-time data exchange allows for sharing data, including metadata such as user data and phone data, between multiple handsets so that handsets may automatically display such data upon initiation or establishment of a telephone call, and in some arrangements throughout the life of the call. In this way, the need for subsequent data transmissions is reduced or eliminated, making bandwidth usage more efficient and conserving battery power.
US09866682B2 Method for processing non-access stratum message, user equipment, and network side device
The present application discloses a method for processing a non-access stratum message, user equipment, and a network side device. The user equipment includes a configuration module, at least one non-access stratum module, and at least two access stratum modules, and the at least two access stratum modules separately support different network standards, where the configuration module is configured to acquire configuration information, and map the at least one non-access stratum module to at least one of the access stratum modules according to the configuration information, so that the at least one non-access stratum module transfers a non-access stratum message with the access stratum module to which mapping is performed. According to the present invention, a technical problem that a mapping relationship between an access stratum and a non-access stratum in prior-art user equipment is fixed can be resolved, signaling interactions can be reduced, and a delay can be shortened.
US09866678B2 Method and device for unlocking mobile terminal
The disclosure discloses a method and device for unlocking a mobile terminal, which relate to the technical field of mobile terminals. The method includes the following steps that: when a mobile terminal is in a locking state, a time length for an object to stay close to a screen of the mobile terminal and to be maintained within a pre-determined distance range is determined; a corresponding unlocking signal is generated according to the time length; and the mobile terminal is unlocked according to the unlocking signal. According to the disclosure, the mobile terminal can be encrypted and unlocked by using a distance sensor, which brings both great practicability and high confidentiality.
US09866676B1 Camera opening for smartphone battery case to reduce flash glare
A case for portable electronic devices including smartphones includes a feature to prevent glare from a flash from affecting images and video captured by a camera lens and also a battery to extend battery life of the electronic device. Smartphones have telephony, Internet connectivity, and camera and video features. Photos and video can be uploaded through the Internet or sent to other phones. The case has a hole for a camera flash of the smartphone to pass through. The edging of the hole is colored black or another dark color to prevent glare from appearing in the photos or video taken by the smartphone when using the camera flash.
US09866673B2 Methods and systems of managing accident communications over a network
Systems and methods are configured to detect the occurrence of accidents, and to collect, process, and distribute accident related data. The accident related information may include location information, accident image information, and/or other information. Optionally, upon detection of an accident, emergency contacts of a user involved in the accident may be automatically notified of the accident. Data may be imaged using a camera of a mobile device, barcode locations may be identified, and barcodes may be decoded.
US09866669B2 Mobile device and method of controlling the same
The present disclosure discloses a mobile device and a method of controlling the same. In this case, the mobile device according to the present invention includes a sensor unit configured to detect a first action and a second action of a user to fold the mobile device, a control unit configured to control a folding indicator to be outputted on a screen according to the detected first action of the user, configured to control a function corresponding to the detected second action to be executed, configured to control data resulted from executing the function to be outputted on the screen, configured to control the mobile device based on the outputted data, and a display configured to output the folding indicator and the data resulted from executing the function.
US09866668B2 Apparatus and method for providing real-time feedback for information transfer
Devices, systems, and methods are described for allowing a user to transfer information at desired levels by providing the user with real-time feedback regarding the level of information that has been transferred. The devices, systems, and methods establish a communication link with a target device, cause information to be transferred to the target device via the communication link, and cause an indication of a level of the information transferred to be provided to a user during transfer of the information such that the user is provided with a real time indication of the level of information that has been transferred prior to transfer of a maximum level of information that is transferable.
US09866664B2 Systems and method for assessing a mobile device
An apparatus for assessing a mobile device comprises a housing with a faraday cage. The faraday cage may include a chamber having an ingress mechanism allowing a user to position the mobile device within the chamber, a wireless transceiver coupled to one or more antennas, and one or more imaging devices. The apparatus may also include one or more processors communicatively coupled to the wireless transceiver and the imaging device(s). When the mobile device is positioned within the chamber, the processor(s) may use the wireless transceiver to establish a wireless communication link with the mobile device, and use the imaging device(s) to capture one or more images of the mobile device. Alone or in conjunction with a remote server, the apparatus may use information obtained from the mobile device, and/or one or more images of the mobile device, to assess the mobile device for various purposes.
US09866661B2 Deformable mobile terminal
Provided is a mobile terminal. The mobile terminal includes a display unit outputting an image, a front case seated on a front surface of the display unit, a rear case disposed at a rear side of the front case, and a leaf spring disposed between the front case and the rear case to provide an elastic force to the front case, thereby changing a curvature of the front case.
US09866657B2 Network switching with layer 2 switch coupled co-resident data-plane and network interface controllers
A system network switching with layer 2 switch communicatively coupled co-resident data-plane and network interface controllers embodying a method for, receiving a packet from a communication network at the layer 2 switch; parsing the packet; and determining in accordance with a content of the parsed packet whether the packet is to be switched to one of one or more medium access controllers, or one of one or more packet input processors, or one of one or more network interface controllers of a network interface resource comprising the one or more packet input processors, one or more packet output processors, the one or more network interface controllers, and the layer 2 switch, implemented on a chip are disclosed.
US09866656B2 System and method for single KVM client accommodating multiple different video compression technologies
A method is disclosed for providing compressed video to a personal electronic device of a user using one of a plurality of different video compression protocols, and wherein the personal electronic device has a web browser. The method may involve using the personal electronic device to transmit a request for video content from a server via a remotely located controller. The controller may be used to serve up HTML5 client code to the browser. The browser may use the HTML5 client code to create a web socket connection with the server and to establish a web socket in the browser. The HTML5 client code, the web socket connection and the web socket may be used to receive the compressed video, and the HTML5 client code may be used to decompress the compressed video for display on the personal electronic device.
US09866655B2 Server initiated multipath content delivery
Described herein are—among other things—systems, methods, and apparatus for accelerating and increasing the reliability of content delivery by serving objects redundantly over multiple paths from multiple servers. In preferred embodiments, the decision to use such multipath delivery is made on the server side. A content server can modify or generate a given web page so as to invoke multipath, e.g., by injecting markup language directives and/or script instructions that will cause the client device to make multiple requests for a given object on the page. Preferably the multiple requests are made to separate content servers in separate points of presence. The teachings hereof may be advantageously implemented, without limitation, in intermediary servers such as caching proxy servers and/or in origin servers.
US09866654B2 Managing communications in a multi-client; multi-server environment
According to one aspect of the present disclosure, a method is implemented by a server in a server cluster. A request received from a client includes a session identifier (ID) identifying a session between the client and the server, and a correlation ID that is linked to the request. If the correlation ID is not included in an individual server-specific session microcache for the session, the request is processed to determine a response, the response is added to the session microcache, and the response and an indication of the correlation ID are sent to the client. If the correlation ID and a response to the request are stored in the session microcache, the response and an indication of the correlation ID are re-sent to the client. The session ID and session microcache are transferred to another of the plurality of servers in the server cluster to continue the session.
US09866651B2 Entity creation for constrained devices
A method for creating a profile for accessing or manipulating resources across a plurality of nodes in a network is disclosed. An entity manager receives a request from a client to create a profile, and preferably validates the request. The entity manager generates said profile and the profile is addressable by a profile identifier. A client may use the profile to interact with the resources across the plurality of nodes using the profile identifier.
US09866648B2 Automatic transmission of user profile information to a web server
A method and apparatus for the automatic transmission of user profile information to a web server are disclosed.
US09866647B2 Hierarchical cost based caching for online media
A method of operating a first cache device may include receiving, at the first cache device, a request to send a first asset to a second device; determining whether the first asset is stored at the first cache device; and when the determining determines that the first asset is not stored at the first cache device, obtaining, at the first cache device, the first asset, comparing, at the first cache device, a moving average of a marginal value of the first asset with respect to the first cache device and a characteristic marginal value of the first cache device, calculating a cost associated with the first asset, selectively storing the first asset at the first cache device based on the comparison, and sending the obtained first asset and the calculated cost to the second device.
US09866643B2 Systems and methods for providing location services
Methods and systems are disclosed for providing location services. Consistent with disclosed embodiments, disclosed systems and methods may include a beacon registering device for providing location services. The beacon registering device may include a non-transitory memory storing instructions. The beacon registering device may also include one or more processors that execute the stored instructions to perform operations comprising: receiving beacon information, the beacon information comprising connection information for a first beacon; updating at least one beacon entry stored in a database based on the received beacon information, the beacon entry including a beacon location, beacon connection information, and beacon metadata; receiving a beacon request from a user device, the beacon request indicating a user location; selecting beacons based on the beacon entry and the beacon request, the selected beacons including at least the first beacon; providing selected beacon information to the user device for registering the first beacon with the user device, the selected beacon information including the connection information for the first beacon.
US09866638B2 Session-return enabling stateful web applications
Mechanisms for allowing allow multi-session capability and session-return enabling stateful web applications include providing a start URL of a requested portal page with an “External Session ID” (ESID). The ESID is an argument that is different between the two instances of the application (on the same page), and leads to different/independent sessions in the server. When a user returns to the same page, the ESIDs are passed again with the individual application requests, and the server can then logically reconnect to the proper session and allow the user to continue. The ESID can be used to return to an application after the user has previously left to go to another application and then desires to come back, or even when the user closed the browser and restarts the application later.
US09866632B2 Reusable multimodal application
A method and system are disclosed herein for accepting multimodal inputs and deriving synchronized and processed information. A reusable multimodal application is provided on the mobile device. A user transmits a multimodal command to the multimodal platform via the mobile network. The one or more modes of communication that are inputted are transmitted to the multimodal platform(s) via the mobile network(s) and thereafter synchronized and processed at the multimodal platform. The synchronized and processed information is transmitted to the multimodal application. If required, the user verifies and appropriately modifies the synchronized and processed information. The verified and modified information are transferred from the multimodal application to the visual application. The final result(s) are derived by inputting the verified and modified results into the visual application.
US09866630B2 System, method and apparatus for media submission
A system, method and apparatus for media submission. The submission mechanism is configurable to perform a variable amount of intelligent preprocessing on media objects prior to upload. In the example of digital images, the tool can perform sizing and formatting, for example.
US09866629B2 System and method for shared session appearance in a hybrid peer-to-peer environment
An improved system and method are disclosed for peer-to-peer communications. In one example, the method enables the joining and/or recording of an ongoing peer-to-peer communication session in real time.
US09866626B2 Domain-specific pattern design
A method is provided for building patterns with high level pattern topology requirements for deployment across multiple systems. The patterns are built based on pattern capabilities and configurations of the multiple systems. Such patterns can meet the desired pattern capabilities including high availability and/or continuous capabilities.
US09866623B2 System and method for optimizing inter-node communication in content distribution network
The invention relates to communication between computers such as servers within a content distribution network, where the communication is carried over the Internet in which bandwidth usage and cost are of concern, and particularly to a system and method for optimizing inter-node communication in a content distribution network. The method includes: generating a mutable warm dictionary for a specific domain according to a current inter-node communication; generating a fixed warm dictionary for the specific domain from the mutable warm dictionary; and performing the next inter-node communication for the specific domain according to the fixed warm dictionary.
US09866622B1 Remote storage gateway management using gateway-initiated connections
Methods, apparatus, and computer-accessible storage media for remotely managing a gateway that serves as an interface between processes on a customer network and a service provider, for example to store data to a remote data store. The gateway sends a connection request to a gateway control server. The server holds the connection until the server receives information (e.g., information from the customer sent via the service provider) for the gateway. The server sends the information as requests via the gateway-initiated connection, and continues to hold the connection. If a server receives information for a gateway to which it does not hold a connection, the server sends the information to the server that does hold the connection. The server may either discover the appropriate server via a registration service that registers connections to gateways or broadcast the information to peer servers identified through a registration service.
US09866615B2 Remote browsing session management
A browsing process is directed to the generation and management of a browse session at a network computing provider. A client computing device requests a remote browse session instance at a network computing provider. The browse session instance may correspond to requested network content. The network computing provider determines a browse configuration. The browse configuration may identify a communication protocol and various processing actions. The network computing provider retrieves the requested content through an instantiated network browse session instance, and performs a first set of processing actions to generate a processing result. The network computing provider determines whether the requested content is likely to perform high risk operations on the client computing device, and notifies the user or transmits a processed representation of the requested content to the user such that the likelihood of high risk operations being performed on the client computing device is reduced.
US09866607B2 Distribution of broadcast content to controlled-environment facilities
A system for receiving satellite radio signals and/or internet content and extracting a plurality of channels from the satellite radio signals and/or internet content is disclosed. The content of the channels is converted to IP packets and streamed across an Ethernet network. In one embodiment, each of the channels is associated with an IP address or port. Users receive the content of the channels by selecting the IP address or port associated with the desired content. An administrator may control the channels that are available to the users. In one embodiment, the users each have a subscription to access the content, and the subscription may control the channels that the user access.
US09866606B2 Method for switching between media play devices, and device
The present invention applies to the field of multimedia communication technologies, and provides a method for switching between media play devices, and a device. The method includes: acquiring and displaying a media play device list on a home area network, and determining a to-be-switched-to media play device according to a user operation; sending a request message that carries a browsing history of a media content page of a media server and device capability information of the to-be-switched-to media play device to a remote user interface server RUI Server; receiving a uniform resource identifier URI of a user interface UI sent by the RUI Server; and sending the URI to the to-be-switched-to media play device, so that the to-be-switched-to media play device displays the UI that includes the browsing history.
US09866605B2 Streaming manifest quality control
In one embodiment, a method that receives a manifest for plural encoded representations of a single content stream, each representation fragmented into plural chunks, each representation comprising a different quality level, the manifest listing a plurality of representations, each representation comprising the plural chunks at one of a plurality of quality levels, and requests one of the plural chunks based on selection of one of the plurality of quality levels explicitly indicated in the manifest.
US09866604B2 Progressive download playback
The present invention provides methods and systems for enabling content streaming on mobile devices. The methods and systems may include encoding a content stream; providing the encoded content stream to a splitter embodied in computer executable code, which splits the encoded content stream into at least two channels, with each channel having data of a characteristic chunk size; downloading at least one data chunk into a playback queue, wherein a download algorithm determines the at least one chunk to be downloaded; and providing the at least one downloaded chunk to a media player.
US09866600B2 Method and apparatus for joining electronic conference
According to the present invention, even while a chat opening process is in progress, users can join chats by means of a simple procedure from a video game machine. Once a chat has been opened, an invitation signal can further be transmitted to other chat guests. A video game machine of an expected guest receiving the invitation signal displays a screen prompting the guest to enter the chat room, and the expected guest can join the chat by transmitting an enter room signal to a database. At this time, a chat answer signal indicating that the expected guest accepts the invitation from a chairman is transmitted from the expected guest to the chairman.
US09866597B2 Ambient communication session
In general, this disclosure describes techniques for initiating a communication session when a user indicates she or he is available to participate in the communication session. In one example, a method includes receiving, by a first communication device, an indication that a user is available to participate in a communication session that enables communication between different communication devices. Responsive to receiving the at least one signal, the communication session may be initiated in an inactive mode at the first communication device. The first communication device may receive a request from a second communication device to participate in the communication session. Responsive to receiving the request, the communication session may be switched from the inactive mode to an active mode.
US09866596B2 Methods and systems for virtual conference system using personal communication devices
A method for managing jitter includes determining, by a processor of a master device, at least one of device capabilities of at least one satellite device, device capabilities of the master device, or channel conditions; determining, by the processor of the master device, a de-jitter buffer size based on the at least one of the device capabilities of the at least one satellite device, the device capabilities of the master device, or the channel conditions; and applying, by the processor of the master device, de-jitter buffer having the determined de-jitter buffer size.
US09866595B2 Policy based slice deletion in a dispersed storage network
A method for execution in a dispersed storage network operates to determine one or more slice names of one or more slices to consider for deletion; determine an access policy corresponding to the one or more slices; determine a current timestamp; and determine when there is no future slice availability for the one or more slices, based on the current timestamp and the access policy. When there is no future slice availability for the one or more slices, the dispersed storage network determines when reconsideration is available and sends a reconsideration message to a reconsideration entity when the reconsideration is determined to be available. The dispersed storage network deletes the one or more slices when the reconsideration is determined to be unavailable.
US09866594B2 Enforcing policy-based application and access control in an information management system
A method and apparatus for controlling document access and application usage using centrally managed rules. The rules are stored and manipulated in a central rule database via a rule server. Policy enforcers are installed on client systems and/or on servers and perform document access and application usage control for both direct user document accesses and application usage, and application program document accesses by evaluating the rules sent to the policy enforcer. The rule server decides which rules are required by each policy enforcer. A policy enforcer can also perform obligation and remediation operations as a part of rule evaluation. Policy enforcers on client systems and servers can operate autonomously, evaluating policies that have been received, when communications have been discontinued with the rule server.
US09866592B2 Policy enforcement system
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for storing, by a policy enforcement system, a plurality of policies and data associating a plurality of user credentials with the plurality of policies; receiving, from a client device, a request for data from a file system, the request further comprising user credentials; forwarding the request for data to a second node that stores the data from the file system; receiving, from the node, the data from the file system; selecting from the plurality of policies, based on the received user credentials and the data associating the plurality of user credentials with the plurality of policies, one or more policies that correspond to the received user credentials; filtering, by the policy enforcement system, the data from the file system based on the one or more policies; and sending the filtered data to the client device.
US09866591B1 Enterprise messaging platform
A secure messaging platform for an enterprise environment is disclosed. The secure messaging platform enables users to exchange encrypted communications. Further, the secure messaging platform allows enterprise platforms to review the encrypted communications to ensure that they comply with company policies. Messages that comply with company policies may be provided to their intended recipients, while messages that fail to comply with company policies are not provided to their intended recipients. Additionally, the encrypted communications may be retained for a predetermined time.
US09866588B2 Method and apparatus for a dual radio user equipment
A method at a user equipment capable of supporting at least two radio connections, the method including requesting from a remote server, using a first radio connection, a subscriber identity; receiving, at the user equipment, the subscriber identity over the first radio connection; using the subscriber identity to establish a second radio connection; and forcing the first radio connection to remain on a same network as the second radio connection. Further, a method at a user equipment capable of supporting at least two radio connections, the method receiving a subscriber authentication challenge over the second network connection; using the first radio connection to connect to the remote server to obtain an authentication challenge response for the subscriber authentication challenge; and sending the authentication challenge response over the second network connection.
US09866586B2 Facilitating cross-platform content access
A messaging system includes features of gathering information regarding content accessed across multiple applications and/or devices and making that information available to account holders of the messaging system. The messaging system stores data related to accessed content in a plurality of indices and makes that data available to enable account holders to access previously-accessed content, even if the previous access occurred in a different software application, on a different device, or on a device with a different operating system. Account holders may also be provided with recommendations based on gathered information.
US09866584B2 System and method for analyzing unauthorized intrusion into a computer network
The method analyzes unauthorized intrusion into a computer network. Access is allowed to a virtualized operating system running on a hypervisor operating system hosted on a network device. A network attack is intercepted on the virtualized operating system using an introspection module with a virtual-machine-based rootkit module and its associated userland processes running on the hypervisor operating system. The network attack includes attack-identifying information. Forensic data is generated on the network attack from the attack-identifying information.
US09866576B2 Rule-based network-threat detection
A packet-filtering device may receive packet-filtering rules configured to cause the packet-filtering device to identify packets corresponding to network-threat indicators. The packet-filtering device may receive packets and, for each packet, may determine that the packet corresponds to criteria specified by a packet-filtering rule. The criteria may correspond to one or more of the network-threat indicators. The packet-filtering device may apply an operator specified by the packet-filtering rule. The operator may be configured to cause the packet-filtering device to either prevent the packet from continuing toward its destination or allow the packet to continue toward its destination. The packet-filtering device may generate a log entry comprising information from the packet-filtering rule that identifies the one or more network-threat indicators and indicating whether the packet-filtering device prevented the packet from continuing toward its destination or allowed the packet to continue toward its destination.
US09866574B1 Protected data type handling awareness
Protected data type classes are provided for performing operations on protected data types. A fact manifest is generated for a software package that utilizes the classes at build time. The fact manifest describes the protected data types used by the software package. The fact manifest can be used to deploy the software package only to hosts that are authorized to handle the specified protected data types. The fact manifest can also be utilized to create a protected data type usage graph that identifies the hosts that handle protected data, the type of protected data handled, and the network connections between the hosts. The protected data type classes can also generate data at runtime identifying the runtime usage of protected data. The protected data type usage graph can also specify the runtime usage of protected data by the hosts.
US09866573B2 Dynamic malicious application detection in storage systems
Improved techniques involve comparing access patterns in a storage system to expected access patterns under similar circumstances. An intrusion detection system, in response to a suspected malicious application workload, collects information about a current session on the storage processor, e.g., application workload s running, users logged in, and timestamp, as well as parameters such as storage allocation requests sampled at prespecified intervals over a period of time. In a database that stores such sampled parameter values by application workload, user, and time, the system extracts the sampled parameter values having the application workload, user, and time corresponding to the current session. The system then compares the extracted sampled parameter values with the current parameter values and computes a difference. Based on the difference, the system determines whether the storage system is accessed by a malicious application workload.
US09866571B2 Securing execution of customer-supplied network page generation code
Disclosed are various embodiments for securing execution of page generation code. The page generation code may be instrumented with code that facilitates monitoring of one or more resources consumed by the page generation code. Various checks relating, for example, to code size and whether exception-handling code is present may be performed. The page generation code may be executed to generate a network page in response to a request obtained from a client. One or more resource consumption limits may be enforced upon the page generation code.
US09866568B2 Systems and methods for detecting and reacting to malicious activity in computer networks
Described herein are systems and methods for performing detection operations on secure ticket data to detect potentially malicious activity. Embodiments may involve obtaining encrypted data from an encrypted portion of a secure ticket, the obtained encrypted data having been communicated over a network; obtaining a decryption key corresponding to the encrypted data; decrypting the encrypted data using the obtained decryption key to generate decrypted data elements; comparing the decrypted data elements to at least one of known valid data elements and known invalid data elements; and generating an assessment based on the comparison, the assessment identifying whether the secure ticket is indicative of potentially malicious activity in the network.
US09866563B2 Specially programmed computing systems with associated devices configured to implement secure communication lockdowns and methods of use thereof
In some embodiments, the present invention provides for an exemplary inventive device which includes at least the following components: a secure lockdown component that is operationally associated with at least one electronic control unit (ECU) of at least one network; where the secure lockdown component is configured such that the device physically separates at least one of: i) the at least one network from any other network, ii) the at least one network from external inputs directed to the at least one network, iii) the at least one ECU from at least one other ECU, iv) the at least one ECU from external inputs directed to the at least one ECU, v) at least one memory component within the at least one ECU from at least one processing unit within the at least one ECU, and vi) any combination thereof.
US09866561B2 Enhanced user interface and data handling in business intelligence software
A business intelligence and reporting solution can include a databook interface that acts as both as a reporting mechanism and an interface for providing data visualization parameters. In some embodiments, the databook includes a plurality of palettes whereby visualization parameters can be specified through a drag-and-drop interaction with the databook. The databook can include a tab interface to select between data views, graphic visualizations of data currently in the databook, and a composite visualization mechanism that provides output to place one or more rows in context to other data in the databook and/or to forecast trends for one or more databook values. The databook may rely on an underlying dataset collected from multiple distinct sources, such as different databases. The solution may include a security policy restricting access to certain fields, records, and/or columns based on a user's role in an organization, data content, and/or a defined access hierarchy for different data items.
US09866560B2 Secure data access
Technologies are generally disclosed for methods and systems for providing secure document storage and retrieval services. In an example embodiment, a method includes receiving an exclusive address at which to send secure links, receiving a request to store a document, storing the document with a remote storage service, receiving location information from the remote storage service, transmitting the location information at which the document is stored to the exclusive address, and updating the location information dynamically.
US09866559B2 Method for opening a session of a machine belonging to a machine set
A method for opening a session of a first machine using a session checking service for the first machine and a second machine, including a security service, includes receiving a request to open a session on the first machine, the request including a user identification information item; verifying that the identification information item is associated with an identification data item of the second machine in a repository; checking that the user has the right to open the session on the first machine; if the verification and check are positive, sending a session status modification request of the second machine to the security service of the second machine; if the session status of the second machine is modified, sending a request to authorize opening of the session to the first machine; and storing the identification information item associated with an identifying data item of the first machine in the repository.
US09866556B2 Common internet file system proxy authentication of multiple servers
Techniques are described for a proxy system to provide a client device with transparent access to multiple network file servers. The proxy system may appear to the client device as a single network file server. The proxy may be configured to forward requests received from the client device to multiple servers as well as provide responses from the server back to the client. Further, the proxy system may authenticate itself, as the client, to each of the multiple network servers using authentication credentials supplied by the client. After prompting a user to submit credentials to establish a session with a first network server, the proxy system may send a session timeout error code, prompting the client to submit a fresh authentication request used by the proxy system to establish a session with a second network server.
US09866555B2 Maintaining user authentications with common trusted devices
Various embodiments are generally directed to an apparatus, method, and other techniques to maintain user authentications with common trusted devices. If a user is in possession of a first computing device (e.g., a smartphone), an unlocked state of the first trusted device is maintained if the user is using a nearby trusted device (e.g., a computer) within a certain amount of time. If the first trusted device is in a pocket or other container, a longer span of time is granted to the user to register an on-body state.
US09866554B2 Mutual authentication method and system with network in machine type communication
A method for a Mobile Mobility Entity (MME) to carry out mutual authentication with a group of Machine Type Communication (MTC) devices includes receiving group-related authentication data from a leader, transmitting the received information and an identification number of the MME, to a HSS, receiving from the HSS a random value, an Authentication Vector and information of group members, broadcasting the random value and the first authentication token to the MTC device group based on information received from the HSS, receiving from the leader a leader authentication response that the leader generates by using a local master key value calculated by using the first secret key value, authenticating the leader by comparing the leader authentication response with a leader authentication value received from the HSS, and authenticating members within the MTC device group according to the leader authentication result.
US09866551B2 One time password generation device and authentication method using the same
Disclosed are a one time password generation device and an authentication method. The one time password generation device includes: a reference information generator that generates reference information; a virtual input means generator that generates a virtual input means in which a blank is provided; and a password generator that generates a one time password using an initial value, reference information and a blank.
US09866547B2 Controlling a discovery component, within a virtual environment, that sends authenticated data to a discovery engine outside the virtual environment
A discovery bundle component is applied in a virtual image deployed within a virtual environment, wherein the discovery bundle automatically discovers asset information about one or more application bundles applied to the virtual image. The discovery bundle component sends, to a discovery product service, the asset information wrapped with a trusted signed certificate for the discovery product service, wherein the discovery product service is located outside the virtual environment.
US09866539B2 System and method for protecting transmission of audio data from microphone to application processes
Disclosed are systems and methods for protecting transmission of audio data from microphone to application process. An exemplary method includes receiving a request from a software process to obtain an audio stream from an audio endpoint device; allocating a data buffer for the software process; processing and encrypting audio data received from the audio endpoint device by audio processing objects; storing the encrypted audio data in the allocated data buffer; installing an interceptor of a API function call for the software process; and decrypting the encrypted audio data from the allocated data buffer by the software process using the interceptor of the API function call.
US09866537B2 Systems and methods for long universal resource locator compression
Methods and systems for managing universal resource locators (URLs) at a server include receiving, at the server, a search query from a client device; creating, by the server, a compressed hash value based on the search query; processing, by the server, the search query to yield a search result; and transmitting the compressed hash value to the client for storage in a browser history.
US09866533B2 Secured cloud data storage, distribution and restoration among multiple devices of a user
A method is provided to share a content stored on a secured server. The content is associated to a first electronic device and encrypted using a public key of the first electronic device. The secured server stores a first re-encryption key from the first electronic device to a second electronic device. The method is implemented by the secured server and includes the steps of determining association of the content with the second electronic device, re-encrypting the content using the first re-encryption key, sending the content to the second electronic device for encryption using a second device public key and storing the encrypted content received from the second electronic device in association with the second electronic device.
US09866532B2 Anonymization of traffic patterns over communication networks
A computer-implemented method of obfuscating communication traffic patterns occurring over a cloud-based communication infrastructure includes detecting first data communication sessions between a first communications device a second communications device via a first computer server using a network protocol. An information content threshold value associated with the first data communication sessions is accessed. A traffic pattern based on the first data communication sessions is also accessed, whereby the traffic pattern determines communication occurrences between the first and the second communication devices over a predefined time period. An information content value associated with the accessed traffic pattern is determined. Using the network protocol, the first data communication sessions via the first computer server is re-routed to a second data communication session via a second computer server based on a detection of the information content value associated with the accessed traffic pattern exceeding the information content threshold value.
US09866531B2 Traversing firewalls
A remote administrator device is provided outside a firewall that prevents remote devices from accessing, but allows remote devices to send electronic mail messages to a plurality of local network devices. The remote administrator device can send an electronic mail message to a respective one of the plurality of local network devices behind the firewall. The electronic mail message can include instructions for the respective local network device to establish a connection with the remote administrator device through the firewall. Once the connection is established, the remote administrator device can monitor state data received over the connection for the respective local network device.
US09866529B2 Systems and methods for ETAG persistency
The systems and methods of the present solution are directed to providing Entity Tag persistency by a device intermediary to a client and a plurality of servers. An intermediary device between a client and one or more back-end servers can receive an entity requested by the client from an origin server that provides the requested content. The intermediary device can encode the back-end server information onto an ETag of the entity, cache the entity with the encoded ETag and serve the entity with the encoded ETag to the client. In this way, when the client attempts to validate the entity by sending a request including the encoded ETag to the intermediary device, the intermediary device decodes the encoded ETag to extract the identity of the backend server and sends the request to validate the entity to the identified server that originally sent the entity that included the requested content.
US09866525B2 Source-destination network address translation (SDNAT) proxy and method thereof
A proxy and method for performing source destination network address translation are presented. The method includes receiving a first message from a node communicatively connected to a first network to access a resource communicatively connected to a second network, wherein the first message contains at least a source address and a destination address used within the first network; translating the destination address designated in the first message to an address of the resource; generating a unique address for the destination address designated in the first message, wherein the unique address is an address not in use on the second network; providing a translated message including the translated destination address and the unique address; and forwarding the translated message to the resource communicatively connected to the second network.
US09866523B2 Method and system for increasing speed of domain name system resolution within a computing device
A system for resolving domain name system (DNS) queries, contains a communication device for resolving DNS queries, wherein the communication device further contains a memory and a processor that is configured by the memory, a cache storage for use by the communication device, and a network of authoritative domain name servers, where in a process of the communication device looking up a DNS request within the cache storage, if the communication device views an expired DNS entry within the cache storage, the communication device continues the process of looking up the DNS request in the cache storage while, in parallel, sending out a concurrent DNS request to an authoritative domain name server that the expired DNS entry belongs to.
US09866522B2 Method to control dynamic host configuration protocol pool exhaustion in dynamic network environments
The present disclosure discloses a method and a network device for controlling DHCP pool exhaustion in dynamic network environments. Specifically, a network device determines that a client device is assigned an Internet Protocol (IP) address by a DHCP server. The network device detects that the client device is disconnected from a network associated with the IP address, for example, by receiving a de-association message from the client device; determining that a session or an entry corresponding to the client device has timed out; determining that the client device has failed to respond to one or more messages transmitted to the client device; determining that the client device has connected to another network different than said network; etc. In response, the network device then generates a DHCP release message on behalf of the client device, and transmits the DHCP release message to the DHCP server.
US09866521B2 Methods, systems, and computer readable storage devices for determining whether to forward requests from a physical telephone number mapping service server to a virtual telephone number mapping service server
A determination is made whether to forward a request for communication services associated with a specific number range from a physical telephone number mapping service server to a virtual telephone number mapping service server. Responsive to determining to forward the request, a determination is made whether a virtual telephone number mapping service instance has been provisioned to handle requests associated with the specific number range.
US09866512B2 Social network communities for support and accountability based on tracked tips
Bookmarking content modules and tracking scores of user properties against the bookmarked content modules on a computer implemented social network are provided. Content modules containing text, audio, video, or audio-video content are accessible to users of a social network. User properties are associated with the users of the social network and the user properties are related to the content modules. Each user of the social network can bookmark a content module and score a user property against the bookmarked content module related with the same user property. Scores are tracked over a period of time to provide motivation and accountability to the user. Ad hoc online communities form around the bookmarked content modules; members of an online community all share at least one common bookmarked content module. A messaging function is provided for members of an online community to communicate with each other to foster support and accountability.
US09866511B2 Ensuring that a composed message is being sent to the appropriate recipient
A method, system and computer program product for ensuring that the composed message is being sent to the appropriate recipient. A message being composed by an author is detected. The intended recipient(s) to receive the composed message are identified. The composed message is then analyzed to identify one or more of the following characteristics: a topic, a greeting, a dialect, a conversation pattern and a language pattern. A profile for the intended recipient storing information regarding the characteristics of the recipient (e.g., social group, historical topics discussed, conversation pattern) is obtained. A score is generated based on the consistency between the characteristics of the analyzed message with the characteristics of the recipient obtained from the recipient's profile. A notification may then be issued to the author if the score is less than a threshold value to ensure that the intended recipient is the correct recipient to receive the composed message.
US09866496B2 Methods and systems for allocating and de-allocating delivery groups across multiple server farms
The embodiments are directed to methods and apparatuses for pairing delivery group machines with one or more server farms in computing networks. The methods and apparatus can allocate machines in a delivery group across one or more server farms in a manner that maximizes efficiency through better computer resource usage. The methods and apparatuses select a server farm having a largest available capacity, and allocate machines from a delivery group to the server farm. If the quantity of delivery group machines exceeds the server farm capacity, the remaining machines are allocated to a second server farm. The methods and appliances also provide for de-allocating server farms, by selecting a server farm with the least allocated capacity, and de-allocating one or more delivery group machines from the selected server farm to reduce the number of utilized server farms.
US09866495B2 Method and apparatus for buffering data
Embodiments of the present invention provide a method and apparatus for buffering data, which can perform highly reliable buffering processing on a received first data packet and further improve user experience. The method includes: receiving a first data packet; determining whether to perform accelerated transmission on data in the first data packet; and if it is determined not to perform accelerated transmission on the data in the first data packet, using a first manner to buffer the first data packet; and if it is determined to perform accelerated transmission on the data in the first data packet, using a second manner to buffer the first data packet, where a buffer duration in the second manner is greater than a buffer duration in the first manner. The present invention is applicable to the communications field.
US09866493B2 Dynamic activation of pre-deployed network resources
A network device may receive an activation instruction. The network device may provide network resources. The activation instruction may request the network device to activate a particular network resource that is deactivated. The activation instruction may be associated with a license that identifies the particular network resource and identifies a resource request of a user. The network device may configure, based on the activation instruction, a component of the network device to activate the particular network resource. The component, after being configured to activate the particular network resource, may allow data flows, received by the network device, to be provided towards a destination device using the particular network resource. The network device may receive a data flow and provide, by the component of the network device, the data flow towards the destination device using the particular network resource.
US09866489B2 Delayed proxy action
Embodiments are directed towards managing communication over a network with a packet traffic management device that performs delayed proxy action. The PTMD includes a buffer for buffering network traffic. Also, the PTMD includes proxy data paths and standard data paths. Network policies associated with the network flows may be determined using the buffered data. If a determined network policy includes proxy policy rules it is a proxy network policy. Then the network flows are associated with a proxy data path. If the buffer is exhausted, the network flow is associated with a standard data path before a policy is determined. Otherwise, if the network policy includes only standard policy rules, the network flows are moved to a standard data path. After the network flow is associated with a data path, the network traffic may be communicated until it is closed or otherwise terminated.
US09866488B2 Method and apparatus for preserving end to end semantic and performance enhancement of split-TCP protocols
In one example embodiment, a network node includes a processor configured to receive one or more data packets from a transmitter and transmit at least one first-type confirmation message to the transmitter based on a threshold, the at least one first-type confirmation message including an acknowledgement that all but at least two bytes of data included in the one or more data packets are received from the transmitter. The processor is further configured to transmit at least one second-type confirmation message to the transmitter based on at least one of a size of a buffer at the network node available for receiving data packets and an acknowledgement from an end device acknowledging receipt of the one or more data packets, the at least one second message including an acknowledgement of one or more of the at least two bytes of data.
US09866485B2 Rerouting network traffic flows based on selection criteria
Systems, methods, and apparatus for rerouting network traffic flows based on selection criteria are provided. Routers forming data flow paths between network devices in a network may be polled. In response to the poll, network status information may be received from the routers. Based at least in part on the received status information, a rerouting event associated with a first data flow over a first data flow path may be received. Based on one or more selection criteria, a second data flow path may be selected for the first data flow. The first data flow may then be rerouted over the second data flow path.
US09866483B2 Routing of traffic in network through automatically generated and physically distinct communication paths
The present disclosure pertains to systems and methods to identify high-priority traffic within a software defined network (“SDN”) and to route such traffic through physically distinct communication paths. Such routing may help to reduce network congestion faced by high-priority traffic and increase the reliability of transmission of such data. Certain embodiments may further be configured to generate a failover communication path that is physically distinct from a primary communication path. Still further, certain embodiments may be configured to suggest enhancements to a network that may improve a reliability criterion.
US09866482B2 Packet transmission method and apparatus
A method of the present invention includes: determining, when packet congestion occurs or network bandwidth decreases, at least one to-be-discarded packet in a packet buffer; and discarding the at least one to-be-discarded packet so that at least one unbuffered packet enters the packet buffer to prevent discarding too many unbuffered packets, where the unbuffered packet is a packet that has not entered the packet buffer. The present invention is primarily applied in a packet buffering process.
US09866481B2 Comprehensive bottleneck detection in a multi-tier enterprise storage system
Embodiments of the present invention provide approaches (e.g., online methods) to analyze end-to-end performance issues in a multi-tier enterprise storage system (ESS), such as a storage cloud, where data may be distributed across multiple storage components. Specifically, performance and configuration data from different storage components (e.g., nodes) is collected and analyzed to identify nodes that are becoming (or may become) performance bottlenecks. In a typical embodiment, a set of components distributed among a set of tiers of an ESS is identified. For each component, a total capacity and a current load are determined. Based on these values, a utilization of each component is determined. Comparison of the utilization with a predetermined threshold and/or analysis of historical data allows one or more components causing a bottleneck to be identified.
US09866480B1 Hash range lookup command
A novel hash range lookup command is disclosed. In an exemplary embodiment, a method includes (a) providing access to a hash table that includes hash buckets having hash entry fields; (b) receiving a novel hash lookup command; (c) using the hash lookup command to determine hash command parameters, a hashed index value, and a flow key value; (d) using the hash command parameters and the hashed index value to generate hash values (addresses) to access entry fields in a selectable number of hash buckets; (e) comparing bits of the entry value in the entry field to bits of the flow key value; (f) repeating (d) through (e) until a match is determined or until the selectable number of hash buckets and entries have been accessed; and (g) returning either an address of the entry field containing the match or a result associated with the entry field containing the match.
US09866479B2 Technologies for concurrency of cuckoo hashing flow lookup
Technologies for supporting concurrency of a flow lookup table at a network device. The flow lookup table includes a plurality of candidate buckets that each includes one or more entries. The network device includes a flow lookup table write module configured to perform a displacement operation of a key/value pair to move the key/value pair from one bucket to another bucket via an atomic instruction and increment a version counter associated with the buckets affected by the displacement operation. The network device additionally includes a flow lookup table read module to check the version counters during a lookup operation on the flow lookup table to determine whether a displacement operation is affecting the presently read value of the buckets. Other embodiments are described herein and claimed.
US09866478B2 Techniques for user-defined tagging of traffic in a network visibility system
In one embodiment, a data plane component of the network visibility system can receive a data packet tapped from a source network. The data plane component can further match the data packet with an entry in a rule table, where the entry includes one or more match parameters, and in response to the matching can tag the data packet with a zone identifier defined in the entry. The data plane component can then forward the tagged data packet to an analytic server for analysis.
US09866470B2 Multiple active link aggregators
A computing device identifies a plurality of network interface controllers (NICs) of a computing device that are available for link aggregation. The computing device establishes a first link aggregator for a first set of the plurality of NICs and a second link aggregator for a second set of the plurality of NICs. The computing device activates the first link aggregator. The computing device activates the second link aggregator while maintaining the first link aggregator active to cause the first link aggregator and the second link aggregator to simultaneously handle network communications.
US09866469B2 Shutdown response system
A shutdown response system includes a network with a first network device and a second network device. The first network device sends a first data traffic flow through the network along a first data path that includes the second network device. If the second network device determines that a shutdown condition is within a predetermined shutdown notification range of a predetermined shutdown threshold, it sends a first shutdown response notification to the first network device. The first network device receives the first shutdown response notification and, in response, determines and stores a second data path for sending the first data traffic flow through the network that does not include the second network device. In the event the second network device shuts down, the first network device immediately begins sending the first data traffic flow through the network along the second data path that does not include the second network device.
US09866468B2 Discovery and admission control of forwarding boxes in a software-defined network
A controller, in a software-defined networking control layer, may determine auto-discovery parameters and may use the auto-discovery parameters to identify a first set of forwarding boxes within a network. The controller may identify a second set of forwarding boxes within the network that communicate with or are otherwise coupled to the first set of forwarding boxes. The controller may forward requests to the first and second sets of forwarding boxes to control traffic exchanged via the first and second sets of forwarding box. A third set of forwarding boxes located outside the network may request admissions into the software defined network, and requests from the third set of forwarding boxes may be forwarded to the controller via the first or second sets of forwarding boxes. The controller may authenticate the second and the third sets of forwarding boxes based on their relationship to the first set of forwarding boxes.
US09866462B2 Information processing system and information processing method
An information processing system includes: a communication device; and a management device configured to manage the communication device, wherein the management device: acquires traffic information on a port of the communication device at a plurality of time points from the communication device; calculates a plurality of autocorrelation coefficients based on the traffic information at the plurality of time points; calculates a plurality of weights based on the plurality of autocorrelation coefficients; and calculates a weighted average of traffic at the plurality of time points based on the plurality of weights and the traffic information at the plurality of time points.
US09866459B1 Origin failover for live streaming
Techniques are described for automatically migrating client devices away from unreliable origin stacks in ways that mitigate potentially negative impacts on the user experience. Multiple origin stacks are provisioned in parallel to provide encoded versions of the same broadcast content for streaming to client devices. Each of the origin stacks is monitored to ensure that it is operating correctly. When an origin stack fails or becomes unreliable, each of the client devices involved in a session corresponding to the unreliable stack is provided with the information it needs to establish a new session corresponding to another one of the stacks.
US09866453B2 Method, apparatus, and packet analyzing system
A method includes receiving a first packet, the first packet being including a first packet identifier and a first error detection code, storing first information indicating the first packet identifier and second information indicating the first error detection code, receiving a second packet, the second packet being including a second packet identifier and a second error detection code, comparing the second packet identifier and the second error detection code with the first information and the second information, respectively, in response to a determination that the second packet identifier corresponds to the first information and the second error detection code corresponds to the second information, discarding the second packet, in response to a determination that at least one the second packet identifier and the second error detection code does not correspond to the first information and the second information, providing the first packet and the second packet for a packet analysis.
US09866449B2 Searchable best fit abstraction framework for catalog driven service delivery
A system for a searchable best fit abstraction framework includes a network having one or more network resources, a network inventory server programmed to generate a network inventory of the one or more network resources, and a searchable best fit abstraction engine in communication with the network inventory server. The searchable best fit abstraction engine includes at least one processor, and non-transitory computer readable media having encoded thereon computer software comprising a set of instructions executable by the at least one processor. The set of instructions includes instructions to retrieve the network inventory, instantiate an inventory class object for at least one network resource, define a set of service abstractions for the inventory class object, provide customer and service provider facing interfaces, and provision at least one service offering satisfying a customer service requirement, or as defined by a service template.
US09866435B2 Lawful intercept management modules and methods for LI-configuration of an internal interception function in a cloud based network
A method and a Lawful Intercept, LI, management module for LI configuration of an Internal Interception Function, IIF, which is hosted by a Virtual Network Function, VNF, in a cloud based network and for keeping a LI administration mediation function, ADMF, in a LI system, updated regarding the current LI configuration in the cloud based network. The method comprises receiving a notification comprising a VNF and its VNF characteristics, making LI configuration decisions based on VNF characteristics and a LI policy from a LI policy database, performing a LI configuration of the VNF and the IIF in accordance with configuration decisions, storing the VNF/IIF characteristics in the LI policy database, if configuration was successful, and updating the LI ADMF about new LI configuration of the cloud based network.
US09866432B2 Dynamic network awareness
Systems and methods for managing a network are disclosed. One method can comprise determining presence of a first network device associated with a network. If the first network device is not present, a second network device can be configured to assume authority of the network. If the first network device is present, the second network device can be configured to join the network. Other aspects relate to providing services in an environment having multiple service providers.
US09866431B2 Deterministic control loop scheduling
In one embodiment, a scheduling device in a network receives routing metrics regarding a network path between a device controller and a networked device. The scheduling device also receives controller metrics for the device controller. The scheduling device determines time costs associated with the network path and one or more control operations performed by the device controller, based on the routing and controller metrics. The scheduling device generates a communication schedule based on the time costs and instructs the device controller and the networked device to use the communication schedule.
US09866430B2 Countermeasures to a network management link failure
The present invention addresses apparatuses, methods and computer program product for providing enhanced improved network management. When a communication failure between an Element Management System and a super-ordinate Network Management System occurs, the Element Management System is switched over to forward event reports to a pre-defined peer Element Management System. In case the communication is re-established, the usual functionality is restored and the re-routing of event reports to the peer Element Management System is stopped.
US09866428B2 Fabric switchover for systems with control plane and fabric plane on same board
A network device includes a first and a second control board, with each control board having a separate control plane and fabric plane. The network device is configured to establish an active control plane on the first control board and an active fabric plane on the second control board. The network device is configured to establish a standby fabric plane on the first control board and a standby control plane on the second control board. The network device is configured to detect a failure on the first control board or the second control board and switch the status of the control plane on the second control board from standby to active, when the failure is on the first control board, and switches the status of the fabric plane on the first control board from standby to active when the failure is on the second control board.
US09866422B1 Methods of blind source separation filter resource management
Systems and methods that solve the problem of scheduling the fixed filter resources of a blind source separation subsystem by choosing in real time the center frequency and bandwidth of each filter in such a way as to allow new and existing signals to be separated out in consistent channels, with as few missed signals as possible given the filter resources available. The proposed method comprises an algorithm that uses a periodic time/frequency covering map to set the center frequency and bandwidth of each filter over all time by acquiring energy measurements from the filtering subsystem using existing filter settings and continuously adaptively updating those settings while maintaining optimal coverage in time and frequency.
US09866418B2 Cognitive multi-user OFDMA
A computing device operating according to a frequency division multiplexed protocol in which communication occurs over a signal formed from a plurality of sub-channels selected from anywhere in a frequency spectrum. A computing device may select sub-channels cognitively by using information about sub-channels previously deemed suitable or unsuitable by that computing device or other computing devices. A described technique for determining sub-channel suitability includes analyzing radio frequency energy in the sub-channel to detect signals generated by another computing device or high noise levels. Information may also be used to cognitively select sub-channels to be analyzed, such as by first selecting for analysis previously-used sub-channels.
US09866415B1 Frequency shift keying (FSK) demodulator and method therefor
A method of operating frequency shift keying (FSK) demodulator for demodulating symbols includes providing current and previous buffered portions of an input signal to correlation circuits of the FSK demodulator, where each buffered portion persists for a symbol duration time period. The correlation circuits output first correlation metrics that indicate a likelihood of whether the buffered portions match a respective target pattern. The first correlation metrics are combined into a set of first correlation results, which are delayed by at least the symbol duration time period. The current and next buffered portions are provided to the correlation circuits, which output second correlation metrics that are combined into a set of second correlation results. The set of second correlation results are combined with the delayed set of first correlation results to produce a demodulation decision that indicates a most likely symbol value encoded in the current buffered portion.
US09866414B2 Modulation agnostic digital hybrid mode power amplifier system and method
A RF-digital hybrid mode power amplifier system for achieving high efficiency and high linearity in wideband communication systems is disclosed. The present invention is based on the method of adaptive digital predistortion to linearize a power amplifier in the RF domain. The present disclosure enables a power amplifier system to be field reconfigurable and support multi-modulation schemes (modulation agnostic), multi-carriers and multi-channels. As a result, the digital hybrid mode power amplifier system is particularly suitable for wireless transmission systems, such as base-stations, repeaters, and indoor signal coverage systems, where baseband I-Q signal information is not readily available.
US09866413B2 Transition enforcing coding receiver for sampling vector signals without using clock and data recovery
A transition enforcing coding (TEC) receiver includes a delay line circuit, a transition detection circuit, a data sampling circuit, and a skew calibration circuit. The delay line circuit employs a calibrated delay setting to delay a plurality of vector signals to generate a plurality of delayed vector signals under a normal mode, respectively. The transition detection circuit detects a transition of at least one specific delayed vector signal among the delayed vector signals. The data sampling circuit samples the vector signals according to a sampling timing, wherein the sampling timing is determined based on an output of the transition detection circuit. The skew calibration circuit sets the calibrated delay setting under a calibration mode, wherein transition skew between different delayed vector signals is reduced by the calibrated delay setting under the normal mode.
US09866411B1 Apparatus and method for single antenna interference cancellation (SAIC) enhancement
An interference cancellation (IC) processor, a method, a method of manufacturing a semiconductor device, and a method of constructing an integrated circuit are provided. The IC processor includes a plurality of mono interference cancellation (MIC) filter estimation processors, each including a different equalizer offset k0 and an input for receiving a de-rotated signal, and providing an effective channel hres,i and an estimated filter pi; a plurality of filters, each including an input connected to the plurality of MIC filter estimation processors, and an output; a plurality of multipliers, each including a first input connected to the plurality of filters, a second input for receiving a weight, and an output; and a branch combiner including a plurality of inputs connected to the plurality of multipliers, a first output for providing a combined residual channel Hres, and a second output for providing a projected output y of the de-rotated signal.
US09866403B2 Leveraging a femtocell network for premises management or monitoring
The disclosed subject matter relates to an architecture that can leverage femtocell network infrastructure in order to facilitate premises management or monitoring. In particular, the architecture can leverage the local presence of a home nodeB (HNB) located at a premises associated with a subscriber in order to aggregate, process and/or distribute various state information that can be collected at the premises.
US09866400B2 Action(s) based on automatic participant identification
Techniques are described herein that are capable of performing action(s) based on automatic participant identification. For example, participants of a meeting may be automatically identified independently from an invitee list for the meeting. In another example, participants of the meeting may be automatically identified even if such participants are not indicated by the invitee list. An action is performed with regard to the participants of the meeting based at least in part on the participants being automatically identified.
US09866399B2 Binding nearby device to online conference session
A meeting server receives a request to join an online conference session from a first device at a first location. The first device is associated with a user account. The meeting server then determines at least one second location corresponding to at least one second device also associated with the user account. Responsive to a determination that the second location is within a predetermined distance of the first location, the meeting server transmits a command to mute the second device.
US09866398B2 Pattern coalescing for remote wake-enabled applications
In various embodiments, methods and systems for managing wake-enabled transport connections of wake-enabled applications is provided. A set of ports is designated as a wake-enabled port set. An operating system (OS) of a computing device running applications plumbs the multiport wake pattern to the one or more network interface controllers (NIC) of the computing device. A wake-enabled application acquires a port from the wake-enabled port set. The OS makes a determination that the application is wake-enabled and as such, assigns a port, from the wake-enable port set, to the wake-enabled application. Upon receiving a packet at the NIC, a determination is made whether the packet corresponds to a wake-enabled transport connection based on comparing the packet to the multiport wake pattern. Upon matching the packet to the multiport wake pattern, the NIC communicates with the OS to wake a portion of the wake-enabled application associated with the wake-enabled transport connection.
US09866395B2 Method and apparatus for secure communications and resource sharing between anonymous non-trusting parties with no central administration
A unifying network model with a structure and architecture configured to address security, interoperability, mobility, and resource management, including priority and quality of services is provided. The network of the network model is structured as a hierarchical mesh network, with dynamically generated routing tables. The configuration of the network model optimizes routing and distributes communication load. Every device on the network is capable of being both an endpoint and a forwarder of communications. The network model may include underlying networks that are represented with one of two models, the link model or the star model. The nodes are organized in a hierarchical relationship structure to optimize throughput. The model may include a cryptographic method of dynamically assigning local network addresses.
US09866393B1 Device for creating reliable trusted signatures
A system and method for generating a signature for a document using an identity verification token. The identity verification token receives a request that includes a set of credential data from a signatory, obtains a document identifier that identifies the document to a service provider, and obtains a token identifier that identifies the identity verification token to the service provider. The identity verification token generates the signature based at least in part on the obtained document identifier, the received set of credential data, and obtained the token identifier, and provides the signature.
US09866391B1 Permissions based communication
A method for permissions based communication in an example includes receiving an electronic communication from a sender to a recipient at a domain server. The electronic communication may include a permission request for permission to send subsequent electronic communications to the recipient. The electronic communication may be analyzed at the domain server to determine whether to deliver the subsequent electronic communications from the sender to the recipient.
US09866390B2 Data transmitting method suitable to client and server, data transmitting system and data transmitting method for client suitable to transmit and receive data to and from server
A data transmitting method suitable to a client and a server is provided. The method includes the following steps. The client generates an initial value. The server generates a first time in response to the initial value. The client generates a second time and a first verification hash code related with the first time and the second time. The server generates a random variable and a second verification hash code related with the first time, the random variable and the first verification hash code. The client generates a first transmitting data and a third verification hash code related with the first transmitting data, the first verification hash code and the second verification hash code. The server generates a first response message and a fourth verification hash code related with the first response message, the second verification hash code and the third verification hash code.
US09866386B2 Confidential data identification system
A computerized method and apparatus are established to identify confidential data of common interest among multiple parties without releasing the confidential data. Furthermore, a computerized network provides different parties at different locations with a mechanism to conduct cooperative activities concerning such confidential data of common interest without exposing that confidential data to possible identity theft.
US09866384B2 Media detection of encrypted tunneled data
A system that performs encrypted media detection for real-time communications (“RTC”) establishes a tunnel by a tunneling server with a tunneling client of a user equipment (“UE”). The system receives a request from the UE to enable the encrypted media detection for the tunnel and sends a response back to the UE to indicate that the encrypted media detection is enabled for the tunnel. For each encrypted frame transmitted over the tunnel, the system stores corresponding data that includes at least one of a payload size, an inter-frame delay or a payload entropy. Based on stored corresponding data, the system determines if the encrypted frame includes an encrypted media data frame.
US09866383B2 Key management for privacy-ensured conferencing
In one embodiment, a device in a network establishes a trust relationship between the device and a key management service. The device receives keying information from the key management service based on the established trust relationship. The device applies a digital signature to media data for a conference using the keying information, whereby the device is designated as a speaker of the conference. The device provides the signed media data to one or more conference participant devices. The one or more conference participant devices use the signed media data to validate that the media data was signed by the designated speaker of the conference.
US09866381B2 Conditional entitlement processing for obtaining a control word
Embodiments of the invention provide an improved method and an improved receiver for obtaining a control word. Two or more subkeys are obtained in a receiver. Each subkey was encrypted under control of a key received in an entitlement message or transformed under control of a seed received in an entitlement message. After decryption or transformation, the subkeys are combined to obtain the control word. Typically at least one of the entitlement messages is a positive entitlement message and at least one of the entitlement messages is a negative entitlement message. Embodiments of the invention can be used in a conditional access system such as a Pay-TV system.
US09866378B2 Encryption method, encryptor, and encryption system for encrypting electronic data by splitting electronic data
An encryption method includes displaying encryption target data on a display screen as an image, performing first acceptance in which designation of an at least partial region of the displayed image is accepted, performing second acceptance in which designation regarding splitting of the designated at least partial region is accepted, and splitting data that is included in the encryption target data and corresponds to the designated at least partial region in accordance with the designation regarding the splitting under a secret sharing scheme.
US09866377B2 Unified broadcast encryption system
A system and method is disclosed for performing unified broadcast encryption and traitor tracing for digital content. In one embodiment a media key tree is divided into S subtrees, the media key tree including media keys and initial values, which may be random values. The digital content is divided into a plurality of segments and at least some of the segments are converted into a plurality of variations. The random values are transformed into media key variations and a separate media key variant is assigned to each of the subdivided subtrees. A unified media key block including the media key tree is stored on the media.
US09866373B2 Polymorphic encryption key allocation scheme
Embodiments of the present invention relate to encryption key allocation with additional security elements to lessen vulnerability to certain attacks. In one embodiment, a method and computer program product is provided for broadcast encryption. A key bundle encoded in a non-transient machine-readable medium is received. The key bundle comprises a first cryptographic key and an associated first cryptographic function identifier. Encrypted content is received. A key block corresponding to a subset difference tree is received. A first cryptographic triple function corresponding to the first cryptographic function identifier is determined. The subset difference tree is traversed using the first cryptographic key and the first cryptographic triple function to obtain a content cryptographic key. The content cryptographic key is applied to the encrypted content to obtain decrypted content.
US09866369B1 Infrared beacon and controlling method of same
A beacon includes an infrared emitter configured to emit beacon signals; an infrared-link emitter configured to emit infrared-link signals having a wavelength different from that of the beacon signals; an infrared-link detector configured to detect infrared-link signals; a memory configured to store a delay time; a clock configured to generate a clock cycle signal; and a microcontroller configured to, in response to receiving an infrared-link signal including a signaling code and clock synchronization data from an external beacon: adjust the clock to be synchronized with a clock of the external beacon; store the signaling code in the memory; and when the clock cycle signal generated by the clock indicates that it is a starting time of a clock cycle period, control the infrared emitter to emit a beacon signal including the signaling code with the delay time relative to the starting time of the clock cycle period.
US09866368B1 Method and apparatus for time tracking in OFDM wireless communication systems
In a mobile wireless communication system a client terminal needs to continuously maintain its receive and transmit operations in time alignment with the serving base station timing. A client terminal may initially achieve the timing alignment with the serving base station through the cell search procedure. Subsequently, as a client terminal may move toward or away from a serving base station, it may need to continuously track its timing to remain time aligned with the serving base station. In Orthogonal Frequency Division Multiplexing (OFDM) systems, one of the commonly used methods for time tracking may be the Cyclic Prefix (CP) correlation. When the length of the CP is small, the reliability of the CP correlation may be low, especially when the signal quality is poor. A method and apparatus are disclosed that use the initial synchronization signals for time tracking for improved performance and reduced complexity.
US09866366B2 Mobile device front end architecture for time division duplexing
A switching circuit for use in a frequency division duplex (FDD) spectrum re-allocated for time division duplex (TDD) applications comprises a first filter configured to filter a TDD receive signal, a duplex filter configured to filter an FDD receive signal, and a plurality of switches configured to route the FDD receive signal from an antenna through the duplex filter to receiver circuitry and to route the TDD receive signal from the antenna through the first filter to the receiver circuitry such that the FDD and TDD receive signals share the FDD spectrum.
US09866356B2 Data distribution method and device
A data distribution method and a data distribution device are described. The method includes parsing a GTPU message from a user terminal to obtain a Hyper Text Transport Protocol (HTTP) request message for requesting a resource, and determining whether the data request mode of the HTTP request message is an HTTP compression mode; when the determination result is that it is an HTTP compression mode, directly sending the HTTP request message to a server; otherwise, setting the data request mode of the HTTP request message as an HTTP compression mode and then sending the message to the server; setting the data format of an HTTP response message sent by the server as a data format fitting the data request mode of the HTTP request message and sending the response message to the user terminal. In this way, the consumption of backhaul bandwidth and the consumption of air interface bandwidth can be reduced significantly.
US09866353B2 HARQ in spatial multiplexing MIMO system
A method and apparatus for signaling scheduling information in a spatial multiplexing wireless communications system, as well as corresponding methods and apparatus for processing such signaling information, are disclosed. Signaling scheduling information includes scheduling first and second transport blocks for simultaneous transmission during a first transmission interval on first and second data substreams, respectively, and assigning a single re-transmission process identifier for the first transmission interval and transmitting first scheduling information for the first transmission interval. The first scheduling information includes the re-transmission process identifier and first disambiguation data. Additionally, at least one of the first and second transport blocks is scheduled for re-transmission during a second transmission interval. Second scheduling information for the second transmission interval is also transmitted; the second scheduling information including the re-transmission process identifier and second disambiguation data.
US09866351B2 Communication method and communication apparatus
A network includes first through third communication apparatuses. The second communication apparatus identifies, from packets received from the first communication apparatus, forwarding packets that are packets to be transmitted to the third communication apparatus, and measures the interval in receiving the forwarding packets. The second communication apparatus forwards the forwarding packets to the third communication apparatus. The second communication apparatus receives report information that reports the reception state of forwarding packets from the third communication apparatus, and uses the report information to select target packets that are packets for which success of reception has not been reported from the third communication apparatus in the packets that were forwarded to the third communication apparatus. When the interval in receiving forwarding packets from the first communication apparatus exceeds a threshold, the second communication apparatus retransmits the target packets to the third communication apparatus in a format available for error correction.
US09866349B2 Network coding over GF(2)
Disclosed herein is a method of generating an encoded data packet over GF(2). The method comprises determining 303 a plurality of data packets in dependence on a Latin rectangle, wherein the plurality of data packets have equal length; and generating 305 an encoded data packet by bitwise XORing the determined plurality of data packets. The efficiency of encoding, decoding, and transmission over a network of data packets are all improved, as well as the security properties of the transmitted information.
US09866347B2 Band control system, band control apparatus and communication apparatus
A band control system, a band control apparatus and a communication apparatus which realize low-latency band allocation assuming a plurality of radio control units are proposed.The band control system according to the present invention is a band allocation control system for optical communication which performs connection between a plurality of radio transmitting/receiving units connected to radio terminals and a plurality of radio control units corresponding to the plurality of radio transmitting/receiving units. Each of the radio control units includes a radio communication timing calculating unit configured to calculate a radio communication timing of each of the radio terminals in a connection network. The band control system includes a band allocation control unit configured to allocate an optical communication band according to the radio communication timing calculated by the radio communication timing calculating unit of each of the radio control units to each of a plurality of slave station apparatuses corresponding to the radio transmitting/receiving units, and a synchronization control unit configured to control synchronization among the plurality of radio control units.
US09866342B2 Mobile communication system, communication control method, base station, user terminal and processor
A mobile communication system comprises: a user terminal that receives a desired wave signal from a serving cell and an interference wave signal that is a signal to another user terminal; and a first base station that manages the serving cell. The first base station includes: a control unit configured to generate configured to an interference replica signal corresponding to the interference wave signal and to superpose the interference replica signal on the desired wave signal; and a transmission unit configured to transmit the desired wave signal superposed with the interference replica signal to the user terminal. The control unit generates the interference replica signal such that the interference replica signal received by the user terminal cancels the interference wave signal received by the user terminal.
US09866341B2 Transmitter and receiver of signals through polarization antenna and methods for controlling the same
Disclosed is a data transmitter, including: a demultiplexer configured to demultiplex a data subcarrier, and a training sequence or a pilot subcarrier included in a signal which needs to be frequency-shifted among a plurality of signals; a frequency shift unit configured to frequency-shift the demultiplexed data subcarrier based on a predetermined frequency; a superposition unit configured to generate a polarization signal by superimposing the demultiplexed training sequence or pilot subcarrier, and the frequency-shifted data subcarrier; and a polarization antenna configured to transmit a signal which need not be frequency-shifted and the generated polarization signal among the plurality of signals.
US09866338B2 Encoding and decoding method for short-range communication using an acoustic communication channel
Encoding and decoding methods are provided. An information object is encoded according to a preset encoding scheme. A preset set of bits is selected from the encoded information object and the selected set of bits is output as a sample. A control packet including information on a sample number is generated. The sample is assembled with the control packet. The sample is modulated into a sound signal according to a preset scheme. An input sound signal is demodulated according to the preset scheme. Sample bits and control packet bits containing information of the sample are separated from each other in demodulated received bits. Address information corresponding to each bit of the sample is generated according to the control packet. A soft decision of the sample bits is summed for each piece of the generated address information. A sample decoding of the summed soft decision of the sample bits is performed.
US09866336B2 Phased array antenna self-calibration
A phased array antenna system includes an array of antennas having first antenna and second antennas disposed equidistantly from a third antenna. The first antenna is associated with a first gain and a first phase and the second antenna is associated with a second gain and a second phase. The first antenna receives a first reference signal corresponding to a calibration reference signal transmitted by the third antenna, and the second antenna receives a second reference signal corresponding to the calibration reference signal transmitted by the third antenna. The second receiver module is configured to adjust the second gain and the second phase associated with the second antenna to match the first gain and the first phase associated with the first antenna by comparing the first reference signal received by the first antenna with the second reference signal received by the second antenna.
US09866330B2 Active linear amplifier inside transmitter module
In one example embodiment, a transmitter module includes a header electrically coupled to a chassis ground. First and second input nodes are configured to receive a differential data signal. A buffer stage has a first node coupled to the first input node and a second node coupled to the second input node. An amplifier stage has a fifth node coupled to a third node of the buffer stage and a sixth node coupled to a signal ground that is not coupled to the chassis ground. An optical transmitter has an eighth node coupled to a seventh node of the amplifier stage and a ninth node configured to be coupled to a voltage source. A bias circuit is configured to couple a fourth node of the buffer stage to a bias current source.
US09866329B2 Optical transmitter or transceiver including transmitter optical subassembly (TOSA) modules directly aligned to optical multiplexer inputs
A multi-channel optical transmitter or transceiver includes transmitter optical subassembly (TOSA) modules optically coupled to and directly aligned with mux input ports of an optical multiplexer without using optical fibers. The optical multiplexer may include an arrayed waveguide grating (AWG) or a reversed planar lightwave circuit (PLC) splitter and may be located in a multiplexer housing having at least one side wall with input apertures aligned with the mux input ports. The TOSA modules may include a base supporting at least a laser, laser driving circuitry, and a lens for focusing the light output from the laser. Z-rings may be used to facilitate alignment and to mount the TOSA bases to the side wall of the multiplexer housing, for example, by laser welding.
US09866325B1 System and method for bidirectional exchange of data with a mobile apparatus through at least one leaky optical fiber
Method and system for bidirectional exchange of data with a mobile apparatus through at least one leaky optical fiber. An optical reception module of the mobile apparatus receives an incoming optical signal optically leaked from the leaky optical fiber. An optical to electrical conversion module of the mobile apparatus converts the incoming optical signal into an incoming electrical signal. A control unit of the mobile apparatus processes the incoming electrical signal to extract incoming data from the incoming electrical signal, and processes outgoing data to generate an outgoing electrical signal transporting the outgoing data. An electrical to optical conversion module of the mobile apparatus converts the outgoing electrical signal into an outgoing optical signal. An optical transmission module of the mobile apparatus injects the outgoing optical signal into the leaky optical fiber. For example, the fiber is positioned along a path of a rail-guided trolley travelling along a rail.
US09866324B2 Method and apparatus of communication via satellite
An apparatus for satellite communication comprising a plurality of kytoons, each kytoon of the plurality of kytoons includes a hub positioned within the kytoon, an adjustable spine that is connected to the hub and varies a diameter and volume of the kytoon, and first and second tether access tubes that are each open to the atmosphere at one end and are sealed to the hub of the kytoon at another end. The apparatus further comprises a plurality of tether segments including a first tether segment and a second tether segment, the first tether segment is connected to an anchor connected to the earth at one end of the first tether segment and to a first hub of a first kytoon at another end of the first tether segment, the first tether segment connected to the first hub through the first tether access tube of the first kytoon, and the second tether segment is connected to the first hub of the first kytoon at one end of the second tether segment, through the second tether access tube of the first kytoon, and to a second hub of a second kytoon at another end of the second tether segment through the first tether access tube of the second kytoon. The apparatus further comprises a pipe enclosed in the plurality of tether segments and that provides a lighter-than-atmospheric gas from a gas source to at least one kytoon of the plurality of kytoons so that the at least one kytoon is inflated with the lighter-than-atmospheric gas, a communication device connected to one of the kytoons, and a fiber optic cable enclosed in the plurality of tether segments and connected to the communication device.
US09866323B2 Techniques for optical wireless communication
Optical wireless communication techniques are described and claimed. In one embodiment, the disclosure relates to method and apparatus to provide optical signaling with visible light having variable pulse position modulation (VPPM). The optical signal includes a Start Frame Delimiter (SFD) which indicates beginning of an asynchronous optical signaling. The VPPM signaling includes a lower frequency time varying amplitude component that when subsampled by a low frame rate camera results in alias induced flicker or blinking. Such signals are quickly recognizable as signals with modulated data. In another embodiment, the disclosure provides a system, device and method for decoding a Start Frame Delimiter (SFD) to indicate arrival of incoming VPPM optical data.
US09866321B2 Data transmission system for automated material handling system
Provided is a data transmission system for automated material handling system in that, in the automated material handling system for transferring the products in course of manufacturing in the semiconductor manufacturing process or the liquid crystal display manufacturing process etc. to each manufacturing station, it switches the communication between the unmanned automatic transfer vehicle and the manufacturing station to the optical communication or the RF communication in readiness for the communication failure between the unmanned automatic transfer vehicle for master and the manufacturing station for slave, it transmits various input and output state data including the communication log data to the higher control system for master or the management computer system of slave/wireless data transmitter-receiver for slave by means of the master and/or slave device through the wire and wireless transmission and reception communication, thereby quickly coping with the operation error through the data analysis.
US09866319B2 System and method for establishing a free space optical link without gimbaled optics
A method and system for establishing a free space optical link that includes creating a first link between a first vehicle and a second vehicle and pointing a laser from the first vehicle to the second vehicle. The method includes steering the laser in a spiral pattern and recording a time at the first vehicle of each incremental position of the laser in a spiral pattern. The method includes detecting the laser at the second vehicle, recording the time of detection at the second vehicle, and steering the laser to the positions that coincide with the detection times of the second vehicle to establish an optical link between the first and second vehicles. The first link may be a RF link. The free space optical link may be created with a conformal panel having an RF array, an optical detecting aperture, and an optical beam directing aperture.
US09866314B2 Protection switching method and apparatus for minimizing data loss in optical transport network system
Provided is a linear automatic protection switching (APS) apparatus and method that minimizes a data loss in an optical transport network (OTN) system, the apparatus and method that may maintain time synchronization by transmitting/receiving time synchronization signals between APS apparatuses of a working path and a redundant path, and transmitting/receiving time synchronization signals between local and remote APS apparatuses.
US09866312B2 Beam forming and pointing in a network of unmanned aerial vehicles (UAVs) for broadband access
Systems and methods configured to form and point beams from one or more unmanned aerial vehicles (UAVs) toward a target coverage area on the ground. One embodiment describes dividing the target coverage area on the ground among multiple UAVs when each UAV antenna system generates static beams. Another embodiment describes dividing the target coverage area on the ground among multiple UAVs when their antenna systems are capable of dynamically steering their respective beams. Another set of embodiments describe systems and method to allow multiple UAVs to provide service in the same area on the ground using the same spectrum.
US09866310B1 Dynamic selection of a donor base station to serve a relay node
Disclosed are methods and systems to facilitate selection of a donor base station to serve a relay node (RN). In particular, a base station system (BSS) may include a plurality of base stations each operable to serve user equipment devices (UEs) and operable to serve an RN. The RN is in turn operable to serve UEs. According to the disclosure, a controlling entity may determine both (i) a type of content communicated between the BSS and UEs served by the BSS (BSS-served content type) and (ii) a type of content communicated between the RN and UEs served by the RN (RN-served content type). Based on both the determined BSS-served content type and the determined RN-served content type, the controlling entity may select one of the plurality of base stations to serve the RN and may cause the selected base station to serve the RN.
US09866308B1 Composite WiFi and acoustic spatial diagnostics for smart home management
A wireless transceiver including: an array of antennas; a plurality of transmit and receive path components; an array of microphones; a composite spatial diagnostic circuit and a rule execution circuit. The plurality of components form transmit and receive paths coupled to the array of antennas for processing wireless communications. The composite spatial diagnostic circuit couples to the array of antennas and to the array of microphones to successively sample respectively a WiFi environment and an acoustic environment surrounding the wireless transceiver and to determine from each set of WiFi and acoustic samples a composite spatial map of humans and wireless transceivers within the surrounding environment. The rule execution circuit executes an action proscribed by a selected rule when a related portion of the composite spatial map sampled by the composite spatial diagnostic circuit exhibits a correlation above a threshold amount with a spatial context condition associated with the selected rule.
US09866305B2 Coexistent channel access method
A method is presented for transmitting a data packet in a wireless local area network. A physical layer protocol data unit (PPDU) is generated, The PPDU indicates that the PPDU is to be transmitted to a plurality of receivers. The PPDU includes a legacy-short training field (L-STF), a legacy-long training field (LTF), a legacy-signal field (L-SIG), a signal field and a plurality of data streams. The PPDU is transmitted to the plurality of receivers through a plurality of subchannels. The signal field includes stream information and subchannel information. The stream information indicates at least one of the plurality of data streams assigned to each of the plurality of receivers. The subchannel information indicates at least one of the plurality of subchannels through which a corresponding data steam assigned to each of the plurality of receivers is transmitted.
US09866298B2 Method for MIMO receiver determining parameter for communication with MIMO transmitter
A parameter determination method and a MIMO receiver are disclosed, wherein the parameter determination method estimates a channel correlation with respect to a plurality of REs using information about channels of the plurality of REs included in a resource region allocated by a MIMO transmitter; determines a downlink signal rank taking account of the channel correlation; and transmits information about the determined rank to the MIMO transmitter.
US09866296B2 Method and arrangement in a wireless communications system
A method for assisting the adaptation of a signal from a first node to a second node is provided. The first node communicates with the second node in a wireless communication system over a radio link. The second node has a codebook comprising a set of possible information alternatives for assisting the adaptation of a signal received from the first node. The second node may select an information alternative from the codebook and send it to the first node to assist the first node in adapting the signal. The first node is configured with a number of subsets, each comprising a part of the possible information alternatives. The first node requests that the second node restrict the selection of information alternatives to one of the subsets, and in response, receives an information alternative from the second node that is selected from among the subsets configured according to the configuration request.
US09866293B1 Apparatus, system and method of updating one or more beamforming settings of a beamformed link
Some demonstrative embodiments include apparatuses, devices, systems and methods of updating one or more beamforming settings of a beamformed link. For example, a first wireless station may be configured to estimate a change in an Angle of Arrival (AoA) of signals received from a second wireless station over a beamformed link between the first and second wireless stations; and to update one or more beamforming settings of the beamformed link based on the change in the AoA.
US09866289B2 System and method for spatial multiplexing in LoS environments
The present system and method provides a spatial multiplexing scenario that is performed purely in the analog domain when transmit and receive arrays are in Line of Sight (LoS) and hence significantly reduce the DSP requirements of massive MIMO systems.
US09866285B2 System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
A method and apparatus are provided for performing acquisition, synchronization and cell selection within an MIMO-OFDM communication system. A coarse synchronization is performed to determine a searching window. A fine synchronization is then performed by measuring correlations between subsets of signal samples, whose first signal sample lies within the searching window, and known values. The correlations are performed in the frequency domain of the received signal. In a multiple-output OFDM system, each antenna of the OFDM transmitter has a unique known value. The known value is transmitted as pairs of consecutive pilot symbols, each pair of pilot symbols being transmitted at the same subset of sub-carrier frequencies within the OFDM frame.
US09866284B2 Method, radio network controller, radio base station and user equipment for selecting downlink mode
It is presented a method for selecting downlink mode for a UE. The method is executed in a radio network controller, RNC, and comprises the steps of: estimating geometry for the UE; selecting a mode for the UE based on the estimated geometry, the mode being either a multi cell switching mode or a multi cell aggregation mode; and configuring the selected mode for the UE. By using the geometry of the UE for selecting mode, the most appropriate mode in terms of performance, such as capacity. Corresponding methods for an RBS, a UE, along with corresponding RNC, RBS and UE are also presented.
US09866282B2 Magnetic induction antenna for use in a wearable device
A wearable device includes a housing, a first short range transceiver for far field communication disposed within the housing, a second short range transceiver for near field communication disposed within the housing, wherein the second short range transceiver for near field communications comprises a core and a plurality of coil turns wrapped around the core. The wearable device further includes a generally planar printed circuit board disposed within the housing and having a plurality of components mounted thereto. The core is mounted perpendicularly to the plurality of components mounted on the generally planar printed circuit board to thereby reduce electromagnetic interference. The wearable device may be an earpiece. The core may be mounted at a posterosuperior portion of the wearable device.
US09866281B2 Wireless power transmission apparatus and method therefor
The present invention relates to a wireless power transmission apparatus and a method therefor. The present invention provides a wireless power transmission apparatus including: a power transmission module; a first communication module; a second communication module; and a controller for searching out a first wireless power reception device performing wireless power transmission/reception, transmitting a second magnetic field signal of a second frequency band through the power transmission module, sensing a second response signal to the second magnetic field signal through the second communication module, and searching out a second wireless power reception device performing wireless power transmission/reception by means of the second frequency band according to whether the second response signal is received.
US09866280B2 Mobile communication device with wireless communications unit and wireless power receiver
A mobile communication device having a wireless power receiver and wireless communications unit, in which inductors of the communications unit and the power receiver are in close proximity to each other, is provided. The mobile communication device includes a wireless communications unit including a first inductor configured to transmit and receive data via inductive coupling, and a wireless power receiver. The wireless power receiver includes a second inductor which is disposed above the first inductor and receives power via inductive coupling, a ferrite shield disposed between the first inductor and the second inductor, and a compensator disposed between the first inductor and the ferrite shield. Compensator is adapted to compensate for variations in the inductance of the first inductor caused by the ferrite shield.
US09866275B2 Multiple-input and multiple-output modem for connection in a power line communication network
A device for determining a common-mode signal in a power line communication network. The device includes a first line, a second line, and a third line that are connected to a first terminal, to a second terminal, and to a third terminal, respectively. The first, the second, and the third terminal are configured to be connected to a phase line, a neutral line, and a protective ground line of the power line communication network, respectively. The device further includes a common-mode choke configured to couple out the common signal from the first, second, and third line, and the common-mode choke is connected to a termination impedance which is higher than an impedance of the power line communication network.
US09866273B2 Apparatus and method for accessing network
Disclosed are a network access device and method for improving data transmission efficiency without replacement of a home network or additional pairing. A network access device is connected to a control server through an external wideband network and connected to at least one end point through at least one cable. Such a network access devices includes an interface module configured to couple with the network, at least one domain master connected to the at least one end point, an adaptation module configured to convert G.hn signals to Ethernet signals between the domain master and the interface module, and a processor configured to control the interface module and the at least one domain master. The processor communicates with the control server through an external wideband network to check status of the home network and provisions the home network in real time.
US09866271B2 Interference mitigation apparatus and interference mitigation method for home network transmission line, and communication system using same
Provided is a method for mitigating, by an interference mitigation apparatus, interference on a home network transmission line. The method includes pairing domain masters with relay terminals by a signal having a unique frequency, grouping the domain masters, performing Tx/Rx synchronization between the domain masters and the relay terminals, and controlling the domain masters and the relay terminals to transmit/receive data according to the Tx/Rx synchronization. The domain masters of the same groups may be controlled not to simultaneously transmit/receive data.
US09866269B1 Method of and circuit for predistortion for a power amplifier
A digital predistortion (DPD) system includes an input configured to receive a DPD input signal. The DPD system includes a first predistortion circuit configured to provide a first signal path coupled to the input to generate a first predistortion signal. The first predistortion circuit includes a first infinite impulse response (IIR) filter. A second predistortion circuit is configured to provide a second signal path coupled to the input in parallel with the first signal path to generate a second predistortion signal. The second predistortion circuit includes a second IIR filter. A combiner circuit is configured to combine the first predistortion signal and the second predistortion signal to generate a DPD output signal.
US09866268B2 Radio frequency systems with transmit and receive isolation
Radio frequency systems with transmit and receive isolation are provided. In certain configurations, a wireless device includes a power amplifier including a power amplifier output configured to provide a transmit signal, one or more duplexers including a first duplexer associated with a first frequency band, a plurality of antennas including a first antenna and a second antenna, a plurality of switches, and an isolation detection system. The plurality of switches are configured to selectively connect the power amplifier output to the first antenna via a selected path chosen from a plurality of signal paths, including a first signal path through the first duplexer and a duplexer bypass path that bypasses the one or more duplexers. Additionally, the isolation detection system is configured to control the selected path of the plurality of switches based on detecting an amount of antenna coupling between the first antenna and the second antenna.
US09866267B2 Devices and methods for diversity signal enhancement and cosite cancellation
Devices and methods for providing enhanced diversity reception and cosite cancellation are disclosed. According to one aspect, the subject matter described herein includes a device for providing enhanced diversity reception and cosite cancellation. The device includes a transmit chain connected to a circulator further connected to first antenna and to a combiner. The combiner is connected to anti-cosite circuitry and to first detector. The anti-cosite circuitry is further connected to a secondary antenna. The first detector is further connected to a receive chain.
US09866264B2 Transceiver device and method of processing signals
A method of processing signals may include identifying a plurality of critical elements of a parameter vector based on one or more predefined criteria, wherein the parameter vector represents a relationship between the input signal vector and the output signal vector; identifying a reduced parameter update vector having a plurality of elements, wherein the elements are selected according to a criterion related to the relationship between the input signal vector and the output signal vector; updating the plurality of critical elements of the parameter vector using the reduced parameter update vector to generate an updated parameter vector, wherein the reduced parameter update vector has less elements than the parameter vector; and processing one or more signals associated with the input signal vector using the updated parameter vector.
US09866263B1 Apparatus and methods for signal sensing-based RF unit control
A wireless apparatus comprising: i) an intermediate frequency (IF) unit configured to transmit and to receive IF signals; and ii) a radio frequency (RF) unit configured to transmit and to receive RF signals via an antenna and to receive IF signals from the IF unit and to transmit IF signals to the IF unit. The RF unit comprises: iii) a first sensor coupled to a first port of the RF unit, wherein the first sensor is configured to determine whether an incoming IF signal transmitted by the IF unit is present on the first port; and iv) a first transceiver configured to be controlled by the first sensor. The first transceiver is switched to transmit mode in response to the first sensor determining that an incoming IF signal is present on the first port.
US09866261B2 RF antenna switch and method of operating the antenna switch
An RF antenna switch and a method for operating the antenna switch are disclosed. In an embodiment the antenna switch includes an antenna terminal and a switch including a number of n I/O terminals and n−x transceiver units, wherein each transceiver unit is configured to operate in a frequency band of a respective communication system, and wherein n and x are integers and n, x≧1 and n>x. The switch is further adapted to independently connect a plurality of the I/O terminals to the antenna terminal to provide a respective signal paths from the antenna terminal to the I/O terminals, wherein a first filter is connected between a first I/O terminal and a common input node of a first transceiver unit, the first filter being adapted to filter out an unwanted harmonic mode produced by a transmitter of the first transceiver unit.
US09866260B2 System and method for a directional coupler module
In accordance with an embodiment, a circuit includes a first directional coupler comprising a first input port, a first transmitted port, a first isolated port and a first coupled port, where the first directional coupler disposed on a first substrate. The circuit also includes a first direction select switch having a first switch input port coupled to the first isolated port, a second switch input port coupled to the first coupled port, and a first switch output port, where the first direction select switch is disposed on the first substrate along with the directional coupler.
US09866257B2 XDSL and G.Fast SFP for any-PHY platform
A transceiver in the form of an integrated small form-factor pluggable (SFP) module is described. The SFP module may include a processor, a hybrid circuit, a transformer, a RJ45 connector and a SFP connector. The processor may be configured to perform functions as a serializer/deserializer (SerDes), a digital signal processor (DSP), an analog front-end and a line driver. The hybrid circuit may be configured to neutralize signals reflected from a transmit direction to a receive direction. The DSP may be configured to support communication according to a Very-high-bit-rate Digital Subscriber Line (VDSL) technology such as the G.Fast standard.
US09866255B1 Smart phone case and wallet
The smart phone case and wallet is a protective case that is able to protect a smart phone or other electronic device while doubling as a wallet. The smart phone case and wallet is constructed of a first member and a second member that attach to one another via a hinge. The smart phone case and wallet includes a strap that extends from a side of the second member, and which includes a locking armature on a distal end. The locking armature is able to be inserted into a locking receptacle provided on an outer surface of the first member in order to lock the protective case in a closed position. The first member includes a wallet compartment provided on an inner surface of the first member as well as a wallet flap. The wallet flap is sandwiched between the first member and the second member in order to compartmentalize the portion dedicated to a protective case from the portion dedicated to a wallet.
US09866251B2 Gesture detection to pair two wearable devices and perform an action between them and a wearable device, a method and a system using heat as a means for communication
The present disclosure relates to devices and methods for initiating execution of actions and for communicating information to a user, and more particularly, to initiating execution of predefined actions in wearable devices and communication devices based on gestures made with the wearable devices and/or heat applied to a surface of the wearable devices. According to an aspect, the method relates to, in the wearable device, detecting a first, in the first wearable device predefined, gesture of the first wearable device, broadcasting a first signal comprising information associated with the first gesture, receiving, from a second wearable device, a second signal comprising information associated with a second gesture and initiating execution of a, in the first wearable device predefined, first action based on the first signal and the second signal.
US09866245B2 Active differential resistors with reduced noise
A method and system of providing an active differential resistor. The active differential resistor includes a diode having a first node and a second node. There is a capacitor coupled in series between the first node of the diode and an input of the active differential resistor. There is a current source coupled across the first node and the second node of the diode and configured to forward bias the diode such that a Johnson-Nyquist noise of the active differential resistor is replaced by a shot noise.
US09866242B1 Throughput optimization for redundancy coded data storage systems
Techniques described and suggested herein include systems and methods for optimizing throughput characteristics for data archives stored on data storage systems using redundancy coding techniques. For example, redundancy coded shards, which may include identity shards that contain unencoded original data of archives, may be configured such that a variable number of the shards can be leveraged to meet throughput requirements or time-to-retrieval limitations for retrieval requests associated with the archives stored and/or encoded therein. Implementing systems may monitor throughput rates, capabilities, and burdens, so as to adaptively account for changes to some or all of the monitored parameters.
US09866238B1 Incremental analog to digital converter with efficient residue conversion
An incremental analog to digital converter for digitizing an analog voltage including an Mth order delta sigma modulator, an Mth order digital decimation filter, a controller, and a digital combiner. The controller operates the modulator to convert the analog voltage into multiple digital samples, and operates the digital decimation filter to convert the digital samples into a preliminary digital output value. The controller further operates the delta sigma modulator during a residue phase for M clock cycles in which the modulator provides a digital residue value. The digital combiner combines the preliminary digital output value with the digital residue value to provide an initial digital output value. For an Mth order system, only M additional cycles are needed to extract the residual value to increase the resolution of the digital output by an amount based on the resolution of a modulator quantizer.
US09866236B1 Appapatus and method for fast conversion, compact, ultra low power, wide supply range auxiliary digital to analog converters
A data converter includes a single-end capacitive digital to analog converter (DAC); a transconductance (GM) buffer having an output, a positive input coupled to the DAC and a negative input coupled to the output; a resistor and a capacitor load in parallel coupled to the output at one terminal and to ground at the other terminal. The developed architecture of comprising single end capacitive DAC and GM-based buffer provides fast conversion rate, low current consumption, small silicon area and wide supply range for general-purpose auxiliary DAC applications.
US09866233B1 Circuit and method for generating reference signals for hybrid analog-to-digital convertors
An embodiment circuit includes a first reference source configured to provide a first reference signal to an analog-to-digital convertor (ADC). The circuit also includes a filter coupled to an output of the first reference source and configured to filter the first reference signal to produce a filtered first reference signal. The circuit further includes a second reference source coupled to an output of the filter. The second reference source is configured to provide a second reference signal to the ADC, and the second reference signal is generated based on the filtered first reference signal.
US09866228B2 Background calibration of interleave timing errors in time-interleaved analog to digital converters
A method for performing background calibration of interleave timing errors in N order Time-Interleaved Analog to Digital Converters (TIADCs), according to which N samples of the input signal are acquired in N different phases and the time-interleave error of each phase is calculated. Then the sign of each of the time-interleave error is extracted and the errors are adjusted by adjusting the timing of erroneous phases. This process is repeated until all the errors are lower than a predefined level.
US09866226B2 Analog-to-digital conversion with noise injection via wavefront multiplexing techniques
An analog-to-digital conversion system includes a first processor, a bank of N analog-to-digital converters, and a second processor. The first processor receives M input signal streams, performs a wave-front multiplexing transform that includes a first set of wave-front vectors on the M input signal streams in analog domain and outputs concurrently N mixed signal streams, M and N being integers and N≧M>1. The N analog-to-digital converters convert the N mixed signal streams from analog format to digital format and output concurrently N digital data streams. The second processor receives the N digital data streams, performs a wave-front de-multiplexing transform that includes a second set of wave-front vectors on the N digital data streams in digital domain and outputs concurrently N output data streams such that the N output data streams include M output data streams that correspond respectively to the M input signal streams.
US09866223B2 Clock recovery circuit, related clock and data recovery circuit, receiver, integrated circuit and method
A clock recovery circuit includes an oscillator to generate a clock signal. The oscillator varies a frequency of the clock signal as a function of a control signal. The clock recovery circuit has a phase tracking control loop to determine the phase error between the reference signal and the clock signal, and vary the control signal as a function of the phase error. The phase tracking control loop has a linear region for phase errors in the range between −π and +π, thereby creating a cycle slippage event when the phase error exceed said range. The clock recovery circuit includes a cycle-slippage detector which determines whether the phase error reaches or approaches +π or −π. In case the phase error reaches or approaches +π or −π, the cycle-slippage detector acts on the control signal in an effort to avoid that said phase tracking control loop leaves said linear region.
US09866215B2 High speed low current voltage comparator
In one embodiment, a voltage comparator circuit includes a first comparator circuit to compare a first voltage and a second voltage and a second comparator circuit to compare the first voltage and the second voltage. The voltage comparator circuit may include charge storage circuitry and positive feedback circuitry. Such circuitry may boost current within the first and second comparator circuits to enable the voltage comparator circuit to output a comparison decision within a delay threshold in response to input transitions within a slew rate threshold.
US09866213B1 High voltage switch module
A high-voltage switch module, such as a cascode module, includes an electrically insulating heatsink with a patterned conductor layer on which high-voltage and low-voltage active semiconductor components are bonded, along with clamping, loading, and dynamic balancing components such as diodes, resistors, and capacitors. The heatsink may be alumina or aluminum nitride, for example. The conductor layer may be copper affixed to the heatsink via by direct-copper bonding or active metal brazing, for instance. High-voltage cascode modules may be formed using a low-voltage MOSFET in combination with a chain of silicon carbide normally-on n-channel JFET devices with a variety of configurations of clamping, loading, and balancing devices, for example.
US09866205B2 Level conversion device and method
A device is disclosed that includes a level shifter and a selector. The level shifter includes a first current limiter. The level shifter is configured to generate a first output signal at a first terminal of the first current limiter, and to generate a second output signal at a second terminal of the first current limiter according to a first input signal. The selector configured to selectively transmit one of the first output signal and the second output signal according to the first input signal.
US09866204B1 Latch circuit with isolated input and/or output
A latch circuit providing isolated input current paths includes a pair of input transistors that receive a differential input signal. A plurality of steering transistors receive a portion of a differential clock signal. The latch circuit includes a positive output node and a negative output node. A first bypass input current path is associated with the first input transistor and is electrically isolated from the positive output node and the negative output node. A second bypass input current path associated with the second input transistor is also electrically isolated from the positive output node and the negative output node. In a latched state, the clock signal is operative to selectively bias the plurality of steering transistors such that current is steered to one of the first input current path or the second input current path, thereby being isolated from the output nodes.
US09866201B2 All-acoustic duplexers using directional couplers
An all-acoustic filter includes acoustic directional couplers and acoustic filters. In one embodiment, the all-acoustic filter includes two acoustic directional couplers, pair of matched acoustic filters corresponding to either transmit or receive frequency bands, and another acoustic filter corresponding to the other of transmit or receive frequency bands. An all-acoustic duplexer may be realized monolithically in a small form factor, may be tunable, may support multiple transmit or receive frequency bands, or may include schemes for antenna mismatch correction.
US09866195B2 Antenna device
A stray capacitance is generated between an antenna element and a ground electrode. A capacitance detection circuit detects the stray capacitance. An antenna matching circuit, is provided along a wireless communication signal path, which is a transmission path between the antenna element and a feeder circuit. A feedback control circuit transmits a control signal to the variable matching circuit on the basis of a detection result of the capacitance detection circuit in accordance with the stray capacitance. The capacitance detection circuit includes a constant current source and a timing circuit to measure the time taken to charge the antenna from the constant current source and for the voltage to reach a predetermined voltage.
US09866190B2 Multi-stage amplifiers with low loss
An amplifier circuit (100) comprises three amplifier subcircuits (121,131,141) connected via a network of transmission lines to a common node. A control circuit is configured to control the three amplifier subcircuits (121,131,141) to operate in first, second, and third operating modes, such that a first subcircuit (121) is active in the first, second, and third modes, a second sub-circuit (141) is inactive in the first mode but active in the second and third modes, and a third subcircuit (131) is inactive in the first and second modes but active in the third. A quarter-wavelength transmission line (170) couples the output node of the second sub circuit (141) to the output node (160) of the third subcircuit (131).
US09866186B2 Amplifier
An amplifier includes: a package which includes a pair of edge portions; an input terminal which is provided in the edge portion; output terminals which are provided in the edge portion; a first-stage FET chip which includes an input port directly connected to the input terminal by a bonding wire; a first-stage terminal which is provided in the edge portion and is directly connected to an output port of the first-stage FET chip by a bonding wire; a second-stage terminal which is provided in the edge portion; a second-stage FET chip which includes an output port directly connected to output terminals and by a bonding wire; and an impedance matching capacitor element of which one electrode is connected to the second-stage terminal and the input port of the second-stage FET chip.
US09866180B2 Amplifiers
This application relates to audio amplifier circuitry (100). An amplifier module (103) is located in a signal path between an input (101) and an output (102). A detection module (106) is configured to detect a characteristic of a load (104) electrically coupled, in use, to the output. A distortion setting controller (107) is provided for selecting one of a plurality of stored distortion settings {pi} based on the detected characteristic of the load; and a pre-distortion module (105) is configured to apply a first transfer function to a signal in the signal path prior to said amplifier module. The first transfer function is based on the selected distortion setting and for at least one of the stored distortion settings the corresponding first transfer function comprises a non-linear distortion function.
US09866178B2 Radio frequency circuitr having an integrated harmonic filter and a radio frequency circuit having transistors of different threshold voltages
An integrated circuit that includes a die with an active radio frequency (RF) unit embedded thereon; a first port for receiving an output signal from the active RF unit; a harmonic filter that comprises a first harmonic filter inductor; and a first RF inductive load that is electrically coupled to the first port and is magnetically coupled to the first harmonic filter inductor.
US09866177B2 System and method for a low noise amplifier
An embodiment described herein includes a low noise amplifier (LNA) including a plurality of separate input terminals, a plurality of transistors, and an output network coupled to a first reference terminal and a single output of the LNA. Each transistor includes a conduction path and a control terminal coupled to one of the plurality of separate input terminals. The output network is also coupled to the conduction path of each of the plurality of transistors.
US09866176B2 Apparatus and methods for envelope shaping in mobile devices
Apparatus and methods for envelope shaping in a mobile device are provided. In certain implementations, a mobile device includes an envelope tracker configured to control a voltage level of a power amplifier supply voltage based on a shaped envelope signal, a power amplifier configured to receive the power amplifier supply voltage and to provide amplification to a radio frequency signal, and a transceiver including a modulator configured to generate the radio frequency signal and an envelope shaping circuit configured to generate the shaped envelope signal by shaping an envelope of the radio frequency signal. The envelope shaping circuit includes a shaping table configured to maintain a substantially constant distortion in a transmit band of the mobile device across a range of the envelope of the radio frequency signal.
US09866175B1 Rotated field effect transistor topology amplifier
An apparatus includes multiple field effect transistors and multiple wires. An input wire may be configured to transfer an input signal along an axis. The field effect transistors may be configured to generate a pair of intermediate signals by amplifying the input signal. Multiple gates of the field effect transistors may be configured to receive the input signal. A topology of the gates may be rotated to be perpendicular to the axis. The field effect transistors may be located in two rows mirrored about the axis. Intermediate wires may be configured to transfer the intermediate signals parallel to the axis. A collection wire may be configured to transfer the intermediate signals toward each other and generate an output signal by combining the intermediate signals. An output wire may be configured to transfer the output signal parallel to the axis and away from the field effect transistors.
US09866173B2 Coupling structure for inductive device
A circuit includes a coupling structure and a first inductive device. The coupling structure includes two or more conductive loops and a set of conductive paths electrically connecting the two or more conductive loops. The first inductive device is magnetically coupled with a first conductive loop of the two or more conductive loops.
US09866170B2 Utility-friendly hybrid energy conversion system for apportioning concentrated solar radiation in real time upon selective demand between a plurality of solar energy conversion devices, including a photovoltaic receiver
Extremely fast dynamic control is allowed for hybrid PV/T (photovoltaic/thermal) distributed power production using concentrated solar power by manipulating the transmissive or reflective state of a capture element or mirror or lens that can pass highly concentrated solar light from one energy conversion device to another, such as a thermal collector and a photovoltaic receiver, such as a vertical multijunction cell array. This allows superior quality electrical backfeed into an electric utility, enhanced plant electrical production revenue, and responsiveness to a multitude of conditions to meet new stringent engineering requirements for distributed power plants. The mirror or lens can be physically articulated using fast changing of a spatial variable, or can be a fixed smart material that changes state. A mechanical jitter or variable state jitter can be applied to the capture element, including at utility electric grid line frequency.
US09866164B2 Method for controlling operating speed and torque of electric motor
Systems and methods for controlling the operating speed and the torque of an electric motor using an operational model are described. An operational model for the electric motor, including a plot of engine performance parameters, is used for reference, and a most efficient output path, which may pass through an optimal operation region in the operational model, is selected. The most efficient output path may be determined, for example, according to locations of a current output state and a to-be-reached target state in the operational model, enabling the operating state of the motor to reach the target state from the current operating state. By selecting a more efficient output path, the operating efficiency of the motor may be optimized, the life of a battery improved and/or the operating mileage of the vehicle may be increased, without significantly reducing the driving experience.
US09866156B2 Motor control device and motor control method
A motor control device for controlling a brushless DC motor in a PWM control manner using an inverter circuit according to a position-sensorless method includes: a ripple current estimating device; and a control device. When the magnitude of the ripple current is less than or equal to a threshold value, the control device performs balanced-drive switching that a first output terminal of the inverter circuit is repeatedly and alternately connected to high and low voltage sides of a drive power supply, and the second output terminal of the inverter circuit is repeatedly and alternately connected to the low and high voltage sides. When the magnitude of the ripple current exceeds the threshold value, the control device performs unbalanced-drive switching that the first output terminal is repeatedly and alternately connected to the high and low voltage sides, and the second output terminal is connected only to the low voltage side.
US09866155B2 Motor control unit and electric power steering apparatus equipped with the same
[Problem]An object of the present invention is to provide a motor control unit that the heat generation of FETs is not concentrated in one FET and the heat generation is distributed to the plural FETs by operating the duties of all three-phases in a case that the driving of the motor is stopped.[Means for Solving the Problem]The present invention is the motor control unit comprising a current detector; an upper-stage maximum heat generation-phase specifying means to calculate respective heat generation amounts of upper-stage FETs and specify an upper-stage maximum heat generation phase; a lower-stage maximum heat generation-phase specifying means to calculate respective heat generation amounts of lower-stage FETs and specify a lower-stage maximum heat generation phase; an upper-stage selecting means to select an upper-stage selecting duty and an upper-stage selecting phase current based on the upper-stage maximum heat generation phase; a lower-stage selecting means to select a lower-stage selecting duty and a lower-stage selecting phase current based on the lower-stage maximum heat generation phase; a duty operating amount calculating section to calculate a duty operating amount; and a duty operating section to operate the respective phase duties based on the duty operating amount.
US09866150B2 Magneto-caloric power generation equipment
A magneto-caloric power generation equipment comprising at least one magneto-caloric power generation unit; the magneto-caloric power generation unit comprises two supports provided in a correspondingly connected manner; a rotor, a stator and a heating and cooling device; the supports are provided with an axle seat A, the rotor is provided with an axle seat B, an accommodating space is provided between the two supports, and the rotor is provided in the accommodating space; the rotor comprises an annular support, wherein both sides of the annular support are provided with an even number groups of hard magnet fixing grooves; the hard magnet fixing grooves of two sides of the annular support are provided in a staggered manner, and an annular accommodating groove is formed in the even groups of hard magnet fixing grooves on the same side of the annular support.
US09866148B2 Electrostatic machine system and method of operation
An illustrative electrostatic machine includes a shaft that is configured to rotate about an axis, a rotor electrode, and a stator electrode. The rotor electrode and the stator electrode are separated by a gap and form a capacitor. The rotor electrode is fixed to the shaft. The electrostatic machine can also include a housing that is configured to enclose the rotor electrode, the stator electrode, and at least a portion of the shaft. The stator electrode is fixed to the housing. A dielectric fluid fills a void defined by the housing, the rotor electrode, and the stator electrode.
US09866142B2 Single-phase photovoltaic inverter
Disclosed are a single-phase photovoltaic inverter and a control method thereof in which a small insulated transformer and an ordinary current transformer are used to measure a leakage current instead of a high-priced current transformer that is only used to measure a leakage current. The single-phase photovoltaic inverter that converts DC electric power supplied from a single-phase photovoltaic module into AC electric power includes an input terminal including a first input terminal connecting to a positive polarity of the single-phase photovoltaic module and a second input terminal connecting to a negative polarity of the single-phase photovoltaic module, an inverter unit configured to convert DC electric power supplied through the input terminal into AC electric power and supply the converted AC electric power to a grid, and a leakage current measuring unit connected in parallel with the inverter unit and configured to measure a leakage current delivered through the input terminal.
US09866134B2 Control circuits and methods for regulating output voltages using multiple and/or adjustable reference voltages
Methods of regulating an output voltage of a switched mode power supply having a variable input voltage and a power switch include adjusting a reference voltage to adjust a duty cycle of a control signal for the power switch. The reference voltage may be adjusted as a function of the duty cycle, in response to the duty cycle of the control signal being outside a defined range and/or in the response to a temperature within the switched mode power supply being above a threshold temperature. Other methods include selecting a reference voltage from a plurality of reference voltages based on a determined input voltage and generating a control signal for the power switch as a function of the selected reference voltage to adjust the duty cycle of the control signal. Switched mode power supplies and control circuits for implementing the methods are also disclosed.
US09866133B2 Control circuits and methods for regulating output voltages using multiple and/or adjustable reference voltages
Methods of regulating an output voltage of a switched mode power supply having a variable input voltage and a power switch include adjusting a reference voltage to adjust a duty cycle of a control signal for the power switch. The reference voltage may be adjusted as a function of the duty cycle, in response to the duty cycle of the control signal being outside a defined range and/or in the response to a temperature within the switched mode power supply being above a threshold temperature. Other methods include selecting a reference voltage from a plurality of reference voltages based on a determined input voltage and generating a control signal for the power switch as a function of the selected reference voltage to adjust the duty cycle of the control signal. Switched mode power supplies and control circuits for implementing the methods are also disclosed.
US09866130B1 DC-DC converter and control method thereof
A DC-DC converter includes: a clamp capacitor having one terminal connected with a ground terminal of a voltage source; a switching circuit including first and second switches connected with each other in series between a positive terminal and the ground terminal of the voltage source, and third and fourth switches connected with each other in series between both terminals of the clamp capacitor; and a forward-flyback transformer including a plurality of primary coils connected between a first connection node between the first and second switches and a second connection node between the third and fourth switches.
US09866120B2 Power conversion device
A power conversion device including: an energy storage unit which receives and stores voltage of a self-power-feeding device; and a bypass unit drive device which, when voltage of the self-power-feeding device becomes smaller than a predetermined lower limit value, causes a bypass unit to perform short-circuiting operation by power stored in the energy storage unit. Thus, by appropriately setting the above voltage lower limit value as a threshold value for the short-circuiting operation, it becomes possible to swiftly and reliably perform short-circuiting protection operation even if a cell converter has failed, thus it is possible to always safely continue the operation of the power conversion device.
US09866113B1 Multilevel buck converter with a flying capacitor and charge pump
Methods and apparatus for flying capacitor balancing in multilevel converters are disclosed. Example flying capacitor balancing circuitry can include voltage difference sense and control circuitry and duty cycle timing adjustment circuitry. The voltage difference sense and control circuitry can generate a compensation control signal for the duty cycle timing adjustment circuitry.
US09866109B2 Methods and devices for power compensation
A method is performed in a control device for controlling a power compensation arrangement including a voltage source converter and one or more power compensation branches, each power compensation branch including a thyristor controlled reactor, a thyristor switched reactor or a thyristor controlled capacitor. The voltage source converter and the one or more power compensation branches are connected to a same busbar. The method includes: detecting a request in an electrical power system to which the power compensation arrangement is connected; determining, based on the request, a need for reactive power supply to the electrical power system; providing reactive power by means of the voltage source converter and/or by one or more of the power compensation branches; and compensating, by means of the voltage source converter, any disturbances caused by the power compensation branches when providing the reactive power to the electrical power system. Corresponding devices are also disclosed.
US09866108B2 PFC shutdown circuit for light load
A power converter includes a front end stage having a power factor correction controller, an output stage with a DC/DC controller, and light load detection circuitry coupled to detect relatively low power consumption by a load on an output of the output stage. In response to the detection, the power factor correction controller in the front end stage is turned off.
US09866107B2 Control system for inverter
A control system includes an electronic control unit. The electronic control unit is configured to execute three-phase ON control such that two transistors connected in parallel to the first transistor are switched ON when a condition i) is satisfied, The first transistor is one of the transistor of the six transistors and in which the short-circuit fault has occurred. The condition i) is that a recovery loss of a first diode in which a reverse recovery current is generated is estimated to be smaller than a recovery tolerance.
US09866106B2 Power supply apparatus with extending hold up time function
A power supply apparatus includes a bulk capacitor, a voltage dropper unit and a pre-charging capacitor. The voltage dropper unit is electrically connected to the bulk capacitor. The pre-charging capacitor is electrically connected to the voltage dropper unit. When the power supply apparatus receives an input direct current voltage, a voltage of the bulk capacitor is provided with a first voltage, and the pre-charging capacitor is charged so that the pre-charging capacitor is provided with a second voltage, and the second voltage is greater than the first voltage. When the voltage of the bulk capacitor is less than a predetermined voltage, the second voltage of the pre-charging capacitor is converted voltage by the voltage dropper unit to provide for extending a hold up time of the power supply apparatus.
US09866105B2 Method of controlling an inverter
According to an embodiment, a method of controlling an inverter including a rectification unit rectifying inputted AC power to DC power, a smoothing unit smoothing the DC power, and a power conversion unit received the DC power from the smoothing unit to convert the received DC power into AC power having a predetermined size and frequency, the method includes receiving an abnormal signal of the inverter or an electric motor for driving the inverter, determining whether a DC terminal voltage of the smoothing unit is equal to or greater than a low voltage failure level when the abnormal signal is received, determining whether the power conversion unit is operating, and blocking current output of the power conversion unit when the DC terminal voltage is equal to or greater than the low voltage failure level and the power conversion unit is operating.
US09866101B2 Auxiliary power supply for a control circuit of a switching regulator
The invention relates to methods for supplying current to an auxiliary power supply for the control circuit of a switching regulator. The auxiliary power supply is connected in parallel to a first switch of the switching regulator. The auxiliary power supply comprises a second switch. During the nonswitching stage of the switching regulator, the second switch has significant impedance so as to power up the auxiliary power supply gradually and to suppress the flow of large or oscillatory currents which may cause damage or create interference. During the switching stage of the switching regulator, the second switch has negligible impedance so as to avoid undue dissipation within the path for the supply of current.
US09866100B2 Dynamic sharing average current mode control for active-reset and self-driven synchronous rectification for power converters
A circuit for providing dynamic output current sharing using average current mode control for active-reset and self-driven synchronous rectification with pre-bias startup and redundancy capabilities for power converters. The circuit communicates a secondary side feedback signal to a primary side via a bidirectional magnetic communicator that also provides a secondary voltage supply. Pre-bias startup is achieved by detection of the output current direction and controlling the gate signals of synchronous rectifiers. The circuit permits dynamic current sharing via a single-control signal and automatic master converter selection and promotion.
US09866094B2 Fluid driven electric generator
A fluid driven electric generator includes a shaft, an inner tubular member rotatably surrounding the shaft, an outer tubular member rotatably surrounding the inner tubular member, a plurality of first blade modules driven by a fluid flow to bring rotation of the inner tubular member only in a first rotational direction, and a plurality of second blade modules driven by a fluid flow to bring rotation of the outer tubular member only in an opposite second rotational direction. At least one power generating unit includes inner and outer rotors coupled with the inner and outer tubular members, respectively, so as to be rotated in opposite rotational directions to induce a current.
US09866092B2 Rotor and method of forming same
A method of forming a rotor includes inserting a conductor bar into a slot defined by a lamination stack to define a gap between the conductor bar and the lamination stack. The method further includes, after inserting, swelling the conductor bar within the slot to fill the gap and form the rotor. A rotor is also disclosed.
US09866090B2 Inspection device for a machine
An electric machine such as for example, an electric generator, is provided having a lock system which enables a monitoring device to be housed in the machine such that the generator is not required to be purged. The machine, which can be filled with a gas, with a housing, wherein a first chamber is arranged on the housing, wherein a first flap valve is arranged between the housing and the first chamber, creating a fluidic connection between said housing and first chamber, and a second chamber which is arranged on the first chamber, wherein a second flap valve is arranged between the first and the second chambers, creating a fluidic connection between said first chamber and second chamber, wherein a monitoring device for inspection purposes is provided in the housing.
US09866089B2 Mechanical motor soft start and systems and methods relating thereto
A system of providing a mechanical soft start of a load driven by an electrical motor is provided. The system includes, in addition to the rotor driven by the electric motor during normal operation, a drive belt coupled to both the electric motor and the rotor for communicating mechanical power from the electric motor to the rotor. The system further includes a secondary motor, and a primary roller coupled to the secondary motor, wherein the roller is selectively engaged with the drive belt during a mechanical soft-start to communicate mechanical power from the secondary motor to the rotor without requiring mechanical power from primary motor.
US09866088B1 Combination electric generator with electric clutch
A generator and clutch assembly is disclosed for use in a vehicle and includes a rotatable input, an electric generator in a generator housing, a clutch rotor by driven by the rotatable input, and an electric clutch and brake assembly which may be integrated with the generator housing. A field coil may be mounted to an external surface of the generator housing. The generator and clutch may be offset and connected by means of a transfer system having a transfer housing, wherein a field coil is mounted to an external surface of the transfer housing.
US09866085B2 Generator motor wedge with wide arm span and reduced stress levels
A wedge for use in an electric machine has a central leg and arms extending in both circumferential directions. The wedge has a radially outer full surface defining a cylindrical aperture through an axial length, and ledge surfaces at each axial end of the full surface. A curved merging portion on an outer surface of the arms merges into a curved contact surface. A rotor, a machine and a method are also disclosed.
US09866075B2 System for optical wireless power supply
A system incorporating safety features, for optical power transmission to receivers, comprising an optical resonator having end reflectors and a gain medium, a driver supplying power to the gain medium, and controlling its small signal gain, a beam steering apparatus and a controller to control at least the beam steering apparatus and the driver. The controller responds to a safety risk occurring in the system, by outputting a command to change at least some of the small signal gain of the gain medium, the radiance of the optical beam, the power supplied by the driver, the scan speed or the scan direction and position of the beam steering apparatus, or to register the scan pose which defines the location of said optical-to-electrical power converter. The controller may also ensure a high overall radiance efficiency, and may warn of transmitted power not received by a targeted receiver.
US09866073B2 Wireless inductive power transfer
A wireless power transfer system includes a power transmitter (201) arranged to provide a power transfer to a power receiver (205) via a power transfer signal. The power receiver (205) comprises a first mode controller (709) for transmitting a standby mode exit request to the power transmitter (201) by changing a loading of a communication inductor (209) of the power transmitter (201). The power transmitter (201) comprises a mode controller (405) which controls the power transmitter (201) to operate in a standby mode wherein a presence of the power receiver (205) is detected but no power transfer signal is generated. It furthermore comprises a detector (403) for detecting an impedance change of the communication inductor (209). The mode controller (405) is arranged to initiate a transition from the standby mode to a power transfer mode in response to the detector (403) detecting the impedance change.
US09866072B2 Wireless power transmission system
A wireless power transmission system includes a power transmission apparatus, a power reception apparatus, a load driving apparatus, and a power control apparatus. The power control apparatus includes a direct current power supply, a main control circuit, and a communicator. Each time an operation load to be achieved by the load driving apparatus changes, the main control circuit updates a load instruction value for the load driving apparatus and a control parameter for adjusting a voltage of first alternating current power, the control parameter being used by the power transmission apparatus to convert first direct current power into the first alternating current power. The power transmission apparatus includes an inverter circuit and a power transmission control circuit that determines the voltage of the first alternating current power on the basis of the control parameter updated by the power control apparatus and that controls the inverter circuit.
US09866068B2 Electric power transmission system with power transmission and receiving antennas
An electric power transmission system may include: a power transmission antenna that constitutes a series resonator with an inductance component of L1 and a capacitance component of C1, and to which AC power is input; a power receiving antenna that constitutes a series resonator with an inductance component of L2 and a capacitance component of C2, and which receives electromagnetic energy from the power transmission antenna via electromagnetic fields; a rectifying unit that rectifies an output of the power receiving antenna to output DC power; and a load to which an output of the rectifying unit is input, wherein, when a coupling coefficient between the power transmission antenna and the power receiving antenna is k, if load resistance value R is used in a range that satisfies Rmin≦R≦Rmax, the following relationships are established: L 1 ⁢ C 1 = L 2 ⁢ C 2 ⁢ ⁢ and ( 2 ) L 1 C 1 > L 2 C 2 ⁢ ⁢ and ( 6 ) R m ⁢ ⁢ i ⁢ ⁢ n ≤ k ⁢ L 2 C 2 ≤ R m ⁢ ⁢ ax . ( 8 )
US09866067B2 Electric power transmission system with power transmission and receiving antennas
An electric power transmission system can include: a power transmission antenna that constitutes a series resonator with an inductance component of L1 and a capacitance component of C1, and to which AC power is input; a power receiving antenna that constitutes a series resonator with an inductance component of L2 and a capacitance component of C2, and which receives electromagnetic energy from the power transmission antenna via electromagnetic fields; a rectifying unit that rectifies an output of the power receiving antenna to output DC power; and a load to which an output of the rectifying unit is input, wherein, at times including when a coupling coefficient between the power transmission antenna and the power receiving antenna is k, if a load resistance value is R, the following relationships are established: L 1 ⁢ C 1 = L 2 ⁢ C 2 ; L 1 C 1 > L 2 C 2 ; and ⁢ ⁢ k ⁢ L 2 C 2 ≥ R .
US09866061B2 Power supply apparatus with protection function and redundant power supply system
A power supply apparatus with a protection function includes a pulse width modulation control unit, a pulse width modulation detecting unit, a switch unit and a feedback circuit. The feedback circuit detects a bus voltage. When the feedback circuit detects that the bus voltage is greater than a predetermined voltage, the feedback circuit sends an informing signal to the pulse width modulation control unit. The pulse width modulation control unit adjusts a duty cycle of a pulse width modulation signal and sends the pulse width modulation signal to the pulse width modulation detecting unit. When the pulse width modulation detecting unit detects that the duty cycle of the pulse width modulation signal is less than a predetermined cycle, the pulse width modulation detecting unit turns off the switch unit to stop outputting power to avoid a reverse current phenomenon.
US09866059B2 Wireless power transmission device and wireless power transmission method
The wireless power transmission device is a wireless power transmission device which wirelessly transmits electric power between a power-transmitting coil and a power-receiving coil, and which includes: a metal member; a power supply unit which supplies the electric power to the power-transmitting coil; a measurement unit which measures a relative position of the power-receiving coil with respect to the power-transmitting coil; and a control unit which controls the power supply unit. The control unit adjusts the electric power based on the relative position measured by the measurement unit, so that an amount of induced current flowing through the metal member is decreased.
US09866057B2 Battery temperature maintenance when temperatures fall below a threshold temperature value
A user device can include a first battery configured to power the user device and a second battery configured to power the user device. The user device can further include a temperature sensor configured to monitor a temperature of the second battery and a heating element configured to heat the second battery to increase an operating efficiency of the second battery when a temperature of the user device falls below a threshold temperature value. A switch can be configured to switch on the heating element to heat the second battery when the temperature sensor determines that the second battery is below a threshold temperature value.
US09866054B2 Charging controlling device
An charging control device includes: one or more slave groups including a plurality of slaves for charging or discharging a battery; and a master configured to transmit, to the one or more slave groups, a control signal for controlling operations of the one or more slave groups, and select one of a plurality of slaves included in each of the one or more slave groups as an alternative master, wherein the alternative master is a slave capable of performing some or all of all functions of the master.
US09866049B2 Battery warm up system and method for warming up battery using the same
A battery warm up system according to the present disclosure includes an open signal receiving unit to receive a door open signal for opening a door of a vehicle, a temperature measuring unit to measure a temperature of a battery pack connected to a starter of the vehicle, a control unit to output a forced discharging start signal by referring to information associated with the temperature measured by the temperature measuring unit when the door open signal is received by the open signal receiving unit, and a forced discharging circuit unit to force a plurality of battery modules constituting the battery pack to be discharged in response to the forced discharging start signal.
US09866046B2 Charger, battery pack charging system and cordless power tool system
A charger charges a rechargeable battery pack of a cordless power tool. The charger includes at least one wall that at least partially defines a battery pack receiving space for the battery pack, a first guide extending away from the at least one wall, and a second guide extending away from the at least one wall and spaced from the first guide. The at least one wall, the first guide and the second guide are configured to guide the battery pack to a prescribed position relative to the at least one wall. The first guide and the second guide each include a portion inclined relative to the insertion direction by an angle of inclination such that the distance between the inclined portion of the first guide and the inclined portion of the second guide decreases in the insertion direction.
US09866045B2 Mobile charging dock
A mobile docking station that includes: a casing; a plurality of openings in the casing; a cord extending through each opening; a plug at a distal end of each cord; and a power cord extending from the casing, where the power cord supplies power to the cords. Preferably each cord is retractable back into each respective opening. In one particular embodiment, the casing preferably accommodates a tissue box and includes an opening to allow dispensing tissues from the tissue box.
US09866042B2 Electronic apparatus and wireless power transmission system
A wireless power transmission system transmits power from a power transmitting apparatus to a relay power receiving apparatus by applying voltage to an active electrode in the power transmitting apparatus, which is opposed to an active electrode in the relay power receiving apparatus, and a passive electrode in the power transmitting apparatus, which is opposed to a passive electrode in the relay power receiving apparatus.
US09866041B2 Electric power transmission device
An electric power transmission device contactlessly transmits electric power to an electric power receiving device. The electric power transmission device includes an inverter, a power transmission unit and an electronic control unit. The electronic control unit is configured to determine whether a current phase of output current flowing from the inverter to the power transmission unit leads output voltage, and adjust a frequency of the AC power in a direction to reduce a lead angle of the current phase when leading of the current phase relative to the output voltage is detected.
US09866039B2 Wireless power delivery over medium range distances using magnetic, and common and differential mode-electric, near-field coupling
Embodiments described herein may relate to a system comprising a power source configured to provide a signal at an oscillation frequency; a transmitter coupled to the power source, wherein the transmitter comprises at least one transmit resonator; one or more receivers, wherein the at least one receive resonator is operable to be coupled to the transmit resonator via a wireless resonant coupling link; one or more loads, wherein each of the one or more loads is switchably coupled to one or more respective receive resonators. The system includes a controller configured to determine an operational state of the system, wherein the operational state comprises at least one of three coupling modes (common mode, differential mode, and inductive mode), and is configured to cause the transmitter to provide electrical power to each of the one or more loads via the wireless resonant coupling link according to the determined operational state.
US09866033B2 Power transmission apparatus and wireless power transmission system
A power transmission apparatus includes the following elements. A position detection coil detects a signal from a power reception coil of a power reception apparatus installed on an installation surface. A position detection circuit determines from the detected signal that the power reception apparatus is installed on the installation surface. A reception circuit receives a wireless signal transmitted from the power reception apparatus via the position detection coil. A switch circuit switches electrical connection of the position detection coil between the position detection circuit and the reception circuit. A power transmission control circuit switches electrical connection of the position detection coil from the position detection circuit to the reception circuit if it is determined that a voltage or a current of the detected signal has been smaller than a reference value for a predetermined period, and causes the reception circuit to receive the wireless signal via the position detection coil.
US09866032B2 Power supply system for house
A power supply system for a house is constructed such that electrical power that will need to be supplied from an electric vehicle to a house in a delay time taking a power transmission delay into account is predicted, a prediction data of the predicted electrical power is communicated to a power supply control device via a house communication device and a vehicle communication device, and electrical power that corresponds to the prediction data is supplied to a power-supplying coil by the power supply control device.
US09866030B2 Automatic voltage regulation for photovoltaic systems
A photovoltaic system includes solar cells and photovoltaic inverters configured to convert direct current generated by the solar cells to alternating current. Grid voltage at the point of interconnection (POI) of the photovoltaic system and the power grid is measured and compared to a setpoint. A control signal is generated based on the measured grid voltage. The control signal is provided to the photovoltaic inverters. The control signal is adjusted to cause the photovoltaic inverters to generate or absorb reactive power to respond to transient grid voltage changes.
US09866028B2 Power control apparatus, power control method, program, and energy management system
A power control apparatus includes: a first conversion apparatus that applies DC/DC conversion to direct current power from a power generator for generating power using natural energy, and outputs the resultant power; a second conversion apparatus that applies DC/DC conversion to the power output from the first conversion apparatus and charges a power storage unit with the resultant power, and also applies DC/DC conversion to power from the power storage unit and discharges the resultant power; a third conversion apparatus that supplies alternating current power to a power system and an alternating current load by applying DC/AC conversion to the power output from the first conversion apparatus and/or the power discharged by the second conversion apparatus; and a controller that causes the second conversion apparatus to perform the discharge so that the power output from the third conversion apparatus is higher than power consumed by the alternating current load.
US09866026B2 Method of managing electric power, power management device and program
A method of managing electric power for managing power, within a group, said power is to be used by a first user with a power storage system and a second user without the power storage system, the method including: (a) collecting data regarding load power of the first user and the second user and calculating total load power within the group; (b) determining whether the total load power is equal to or greater than a peak cut power; (c) determining whether a value of [total load power−peak cut power] is smaller than the load power of the first user when determination in the step (b) is Yes; and (d) causing the power storage system to discharge at the value of [total load power−peak cut power], when determination in the step (c) is Yes.
US09866025B2 Method for the overall optimization of the operation of distributed storage devices in an electrical power supply system having distributed generators and loads
The invention substantially relates to a method, wherein operational control parameters and/or control limits, which are to be conveyed using communications technology, are determined on the operator side for each of the distributed storage devices in such a way that a specific cost function is minimal for all of the distributed storage devices on the basis of locally measured variables determined at the respective storage device and transmitted to the operator and on the basis of installation-dependent control limits stored locally in each case and which are also transmitted to the operator, and wherein the operational control parameters and/or control limits, which are to be conveyed using communications technology, are transmitted from the operator side to the corresponding distributed storage devices and implemented there. Consideration of the locally limited available energy and power and the boundary conditions resulting from serving multiple applications from one storage device hereby ensures power availability and, by way of example, an optimal overall service life of all distributed storage devices.
US09866024B2 Electric power controller, electric power management device, electric power control method, and electric power management system for trading and distributing electric power
An energy control device, an energy management device, an energy control method, and an energy management system are provided. The energy management system includes the energy management device and the energy control device. The energy management device includes an electric power management unit configured to generate an instruction specifying a supply destination for electric power generated by an electric power generator, and includes a communication unit configured to transmit the instruction to the energy control device. The energy control device includes a power conditioner configured to distribute the electric power to the supply destination based on the instruction, and includes a control unit configured to control an operation of the power conditioner.
US09866020B2 Electric power control method, electric power control device, and electric power control system
An electric power control method according to an aspect of the present disclosure includes determining a control threshold value at a start of a demand time period based on a demand target value, measuring an amount of demand electric power of a customer which has received an electric power supply from an external power source and consumed electric power from the start of the demand time period to an arbitrary time point during the demand time period, updating the control threshold value based on the measured amount of demand electric power and the demand target value, and supplying electric power to the customer from a distributed power source when an instantaneous value of an electric power consumption of the customer exceeds the control threshold value during the demand time period.
US09866018B2 System and method for transistor voltage control
Systems and methods are drawn to controlling transistor gate voltages in load-switcher circuitry. A buffer may be applied to a load-switcher transistor to leverage the Miller effect. A slow gate charge circuit may be coupled to the gate of the transistor to control application of voltage to the gate and capacitances associated therewith. The buffer and slow gate charge circuit may be used in conjunction to control characteristics of the voltage applied to the gate of the transistor.
US09866015B2 Discharge circuit and motherboard utilizing the same
A discharge circuit applied in a motherboard includes a platform controller hub (PCH), a first electronic switch, a second electronic switch, and first capacitor. A control terminal of the first electronic switch is coupled to a standby pin of the PCH. A second terminal of the first electronic switch is coupled to the standby power. A control terminal of the second electronic switch is coupled to the second terminal of the first electronic switch. A second terminal of the second electronic switch is coupled to a first power source through a resistor coupled with a capacitor in parallel. The standby pin of the PCH outputs a digital low signal, to control the first electronic switch is turned off rapidly, and the second electronic switch is turned on. A voltage of the first power source is discharged through the resistor rapidly.
US09866013B2 Current limiting device
A current limiting device is provided. To elaborate, the device may include: a first current limiting unit configured to limit an electric current equal to or higher than a first threshold value applied thereto; a second current limiting unit configured to limit an electric current equal to or higher than a second threshold value applied thereto; and a passive element unit connected to both ends of the first current limiting unit, and including a first passive element and a second passive element connected in series.
US09866010B2 Electric power conversion device
An electric power conversion device includes: a switching element; a collector side wiring connected to a collector side of the switching element; an emitter side wiring connected to an emitter side of the switching element; a detection circuitry configured to detect an induction voltage generated in the collector side wiring or the emitter side wiring when a current flows through the collector side wiring or the emitter side wiring; and a comparison circuitry configured to compare the induction voltage detected by the detection circuitry and a predetermined threshold voltage determined in advance to each other.
US09866006B2 Device for establishing electrical contact between a shield of an electrical cable and a housing, and a pre-assembled cable
In order to ensure a reliable connection between a shield of a high-voltage cable and a housing, in particular for an electric or hybrid vehicle, the shield of the cable is crimped between an under-sleeve and a contact sleeve, forming an electrically conductive connection with the housing via the contact sleeve. The contact sleeve, formed as a crimp sleeve, also has a rim made of spring tongues. In addition, the under-sleeve is also simultaneously crimped with a cable sheathing of the cable in order to create a strain relief. Furthermore, the cable can be preferably fixed to the housing by a simple plug-locking connection.
US09865999B2 Perforation apparatus for cable jackets and related systems and methods
A perforation apparatus for use with cable jackets and related systems and methods thereof is provided. The tool includes a pliers assembly having at least a first jaw member positioned opposing a second jaw member, wherein relative movement of the first and second jaw members is controlled with at least a first handle and a second handle. A first knife edge is on the first jaw member and a second knife edge is on the second jaw member. Each of the first and second knife edges are oriented substantially parallel to one another and substantially perpendicular to a length of first and second handles. The first and second knife edges are movable towards one another. A spacing device is connected to the pliers assembly, wherein the spacing device controls a closing distance between the first knife edge and the second knife edge.
US09865994B2 Vertical cavity surface emitting laser array and method for manufacturing the same
A VCSEL array includes a base substrate, a plurality of VCSEL devices and an inter-device line. Each of the plurality of VCSEL devices is disposed on a front side of the base substrate. The inter-device line connects two of the plurality of VCSEL devices that are adjacent to each other, the two VCSEL devices being connected in series such that forward directions of the two VCSEL devices are the same. An insulating groove that electrically insulates the two VCSEL devices is formed on the base substrate.
US09865993B2 Lasers with beam-shape modification
A beam control structure for semiconductor lasers that allows modification of the shape of a beam allowing, for example, higher coupling into an optical fiber. The structure may comprise one or more of a tilted patio, a staircase, a reflective roof, and a reflective sidewall.
US09865991B2 Laser device with optical isolator
Disclosed herein is a technology of effectively interrupting light reflected from a wavelength selective filter so as not to be fed back to a laser diode chip in a semiconductor laser package having a function of adjusting a relative intensity ratio of a signal of “1” and a signal of “0” using an optical filter. Since an optical interruption device according to the present invention may effectively interrupt a light feedback to the laser diode chip by adjusting characteristics of a 45 degree partial reflection mirror in an existing TO-can type laser device having the 45 degree partial reflection mirror and additionally disposing one λ/4 waveplate, unlike an optical isolator according to the related art using an existing Faraday rotator, the signals of “1” and “0” may be effectively adjusted in a TO-can type laser device having a small volume, thereby improving a function of communication.
US09865983B2 VCSEL incorporating a substrate having an aperture
A vertical cavity surface emitting laser (VCSEL) includes a substrate having an aperture that allows light generated in an active layer of the VCSEL to exit the VCSEL after propagation through a first set of semiconductor layers. The VCSEL further includes an opaque bottom layer that blocks light generated in the active layer and propagated through a second set of semiconductor layers. The opaque bottom layer can be attached to a heat sink for heat dissipation thereby allowing the VCSEL to be operated at high power levels. The active layer is sandwiched between the first set of semiconductor layers and the second set of semiconductor layers. Unlike a traditional VCSEL where only certain wavelengths of light can propagate through a solid substrate that is “transparent” to these particular wavelengths, the aperture provided in the substrate of a VCSEL in accordance with the disclosure allows for propagation of many different wavelengths.
US09865981B2 Fiber laser packaging
Packaging for a fiber laser includes a conduit surrounding the fiber laser and a thermally conductive compound filling a gap between the fiber laser and the conduit setting the fiber laser within the conduit. The fiber laser may have a substantially circular first cross section having a first diameter and the conduit may have a substantially circular second cross section having a second diameter larger than the first diameter of the fiber laser. The conduit may have a splice window cut out from a wall of the conduit and optical potting compound may fix a portion of the fiber laser under the splice window.
US09865978B2 Identical mezzanine connectors
A connector is mateable with a mating connector along a first direction. The mating connector comprises a plurality of mating protrusions. Each of the mating protrusions protrudes along the first direction. The mating protrusions include a first mating protrusion and a second mating protrusion. The connector comprises a terminal and a holding member. The holding member is provided with a plurality of receiving portions. The receiving portions include a first receiving portion and a second receiving portion. The first receiving portion is opened in each of the first direction and a second direction which is perpendicular to the first direction. When the connector is mated with the mating connector, the first receiving portion receives the first mating protrusion to regulate a movement of the first mating protrusion. The second receiving portion is opened in each of the first direction and a third direction. When the connector is mated with the mating connector, the second receiving portion receives the second mating protrusion to regulate a movement of the second mating protrusion.
US09865974B2 Electrical receptacle connector for providing grounding and reducing electromagnetic interference
An electrical receptacle connector includes a metallic shell, an insulated housing received in the metallic shell, receptacle terminals, and a grounding plate. The receptacle terminals and the grounding plate are at the insulated housing. The insulated housing includes a base portion and a tongue portion extending from the base portion. The grounding plate includes a plate body, extension arms, and contact regions. The front of the plate body is near to a front lateral surface of the tongue portion, and the rear of the plate body is extending to the base portion. The plate body is between the receptacle terminals. The extension arms are extending from the plate body. The contact regions are formed on the extension arms and in contact with an inner wall of the shell body. Accordingly, the grounding plate is in contact with the metallic shell for providing grounding and reducing the electromagnetic interference.
US09865968B1 Connector housing with an integral connector position assurance device
A connector body configured to interconnect with a corresponding mating connector body includes a pair of longitudinal struts that extend from the connector body and are oriented substantially parallel to a mating axis of the connector body. The longitudinal struts each define an enclosed lateral slot having a closed end and a connector position assurance (CPA) device that is interlocked within the lateral slots and moveable from an initial position to a final position along the mating axis after the connector body is coupled to the corresponding mating connector body. The CPA device has a lateral cross bar extending into each of the lateral slots thereby retaining the cross bar in the lateral slots. The CPA device and the connector body are integrally formed by an additive manufacturing process.
US09865964B2 Connector with improve vibration attenuation performance of wires
A connector (F) includes a housing (10), and terminal accommodating chambers (13) are formed in the housing (10). Terminal fittings (72) are fixed individually fixed to front end parts of the wires (71) and are inserted into the respective terminal accommodating chambers (13) from behind. Rubber plugs (61) are fit externally on the front end parts of the wires (71) and are configured to seal clearances between outer peripheries of the wires (71) and inner peripheries of the terminal accommodating chambers (13). Vibration damping rings (64) are formed on rear end parts of the rubber plugs (61). Vibration damping rings adjacent to each other are held resiliently held in contact with each other.
US09865963B2 Heat dissipation device for an electrical meter socket
A heat dissipation device is presented for an electrical meter socket. The heat dissipation device includes a conduit with a first end configured to be mounted to a first opening in a housing of the electrical meter socket. The heat dissipation device includes a vent cap to cover a second end of the conduit, and may include one or more optional apertures to dissipate heat from the electrical meter socket. The heat dissipation device can also include mesh or screen to keep insects out of the device. An electrical meter socket system is also presented, including the electrical meter socket a heat dissipation device and a connector to connect the device to an opening in a housing of the socket. A method is also presented, for dissipating heat from an electrical meter socket.
US09865958B2 Plug
Provided is a plug to be mechanically and electrically connected to a corresponding mating plug, comprising a housing, a protective conductor bridge, a retaining frame, and a plug insert; the retaining frame is mounted on the housing and includes at least one connecting section to be connected to the plug insert, and the plug insert is mounted on the at least one connecting section; the protective conductor bridge is laterally inserted into the retaining frame.
US09865956B2 Electrical pop out device with electrical outlets and/or USB ports
An electrical pop out device has a shroud and an outlet housing. The outlet housing is sized to be placed inside the shroud. A guidance mechanism connects the outlet housing with the shroud. The guidance mechanism includes multiple rack gears and multiple pinion gears. The outlet housing is moveable with respect to the shroud along a direction defined by the rack gear. A spring connector electrically couples the shroud to the outlet housing.
US09865954B2 Plug connection
A plug connection having a first plug with a first contact piece and a second plug with a second contact piece. In the plugged state of the plug connection, the contact pieces are axially in contact with one another in a spring-biased manner. The first contact piece has a three-dimensionally curved end face, while the second contact piece has a flaring depression in the end face thereof such that an annular contact zone is formed between the contact pieces.
US09865949B2 Electronic device and connector
An electronic device has a base plate and a connector. Multiple terminals are supported by a connector housing, wherein each front-side end of the terminals outwardly extends from a front-side surface and each back-side end of the terminals outwardly extends from a back-side surface of the connector housing and connected to a corresponding land formed in the base plate. The multiple terminals are arranged in a width direction and divided into at least a first and a second terminal group in a height direction of the connector housing. The connector housing has a first and a second step surface on its back side. The terminal of the first terminal group outwardly extends from the first step surface and the terminal of the second terminal group outwardly extends from the second step surface. The first step surface is located at a position closer to the base plate in the height direction than the second step surface. A projecting terminal length of the terminal of the second terminal group in a depth direction of the connector housing is made to be equal to or smaller than that of the terminal of the first terminal group.
US09865948B2 Plug connector having a guide frame
A plug connector includes a circuit card and a guide frame mounted to the circuit card. The circuit card is held by a housing. The circuit card includes a front edge and opposing outer edges. The circuit card defines a datum hole in a first surface. The circuit card further includes a set of contact pads along the first surface proximate to the front edge. The contact pads are registered relative to the datum hole. The guide frame has a base that has a post. The guide frame includes a frame member that extends from the base. An outer wall of the frame member is registered relative to the post. The post is received in the datum hole of the circuit card such that the outer wall of the frame member is registered relative to the contact pads, independent of locations of the outer edges of the circuit card.
US09865946B2 Mounting structure of terminal on printed wiring board
A mounting structure includes a printed wiring board, a connector housing mounted on the printed wiring board, and a plurality of terminals retained by the connector housing. Tail surfaces of the plurality of terminals are respectively positioned opposite upper surfaces of a plurality of conductor patterns laid on the printed wiring board, and tails of the plurality of terminals are respectively soldered to the plurality of conductor patterns. The connector housing has a side surface provided with a plurality of grooves formed by partitions, and the tails of the plurality of terminals are respectively placed in the plurality of grooves, and a clearance is formed between a side surface of each tail of the plurality of terminals and a corresponding one of the partitions.
US09865943B2 Coaxial cable connector having a grounding bridge portion
A coaxial cable connector having, in one embodiment, a connector body or body member, a coupling element and a continuity bridge portion. The connector body is configured to be attached to a post. The continuity bridge portion is configured to maintain an electrical connection between the coupling element and the connector body.
US09865942B2 Shield wire with terminal fitting
A shield wire for use with a terminal fitting has a ring (7) is fit laterally to an outer cover (4), and a braided wire (3) is folded onto an outer peripheral surface of the ring (7). A hooking edge (9) protrudes over the entire circumference on a front end part of the ring (7). A barrel (15) of an outer conductor terminal (12) is crimped to the folded braided wire (3). Thus, the hooking edge (9) of the ring (7) is widened into a horn shape to form a bell-mouth (16) with the braided wire (3) hooked to the hooking edge (9). Thus, a hooked sate of the braided wire (3) and the ring (7) is strengthened, so that a holding force of a terminal fitting (T) onto a shield wire (S) is enhanced.
US09865932B2 Cell and electromagnetic band-gap structure
A cell that configures an electromagnetic band-gap structure, comprises a first flat conductor and a second flat conductor arranged opposing each other, a first coupling conductor that is positioned between the first flat conductor and the second flat conductor, is that electrically connected to the first flat conductor, and that has an end that is not connected to the second flat conductor, a second coupling conductor electrically connected to the first flat conductor and the second flat conductor, and a first conductor strip electrically connected to an end of the first coupling conductor and the second coupling conductor.
US09865931B1 Broadband cylindrical antenna and method
An antenna capable of being joined to an antenna feed and being positioned perpendicular to a ground plane includes a conductive cylinder having a longitudinal slot. The antenna feed is connected across the slot. A plurality of dielectric rods are provided parallel to the slot with rod being positioned much less than one wavelength of the maximum operating frequency away from adjacent rods. The rods each have a length of at least 25 times its mean diameter is made from a material having a dielectric constant greater than 30. The combination of the conductive cylinder and dielectric rods provides increased bandwidth. A kit for modifying existing antennas is further provided.
US09865930B1 Slotted antenna with anisotropic magnetic loading
An antenna can be joined to an antenna feed and positioned perpendicular to a ground plane. The antenna includes a conductive radiator having a cylindrical portion. A slot is formed in the entire length of the cylindrical portion. Two parallel fins extend from the cylindrical portion at the slot. The fins can extend inwardly or outwardly. The antenna feed is connected to the conductive radiator on either side of the slot. An anisotropic magnetic material having a uniaxial permeability tensor is positioned in the slot between the two fins. This material is oriented such that it has a much greater permeability in the radial direction than in the other directions. The interior of the cylindrical portion can be filled with a dielectric material.
US09865929B2 Communication device and antenna element therein
A communication device includes a ground element and an antenna element. The antenna element is disposed adjacent to an edge of the ground element. The antenna element includes a first metal element and a second metal element. The first metal element has a first end and a second end. The first end is coupled through a capacitive element to a communication module. The second end is coupled through a shorting element to the ground element. The second metal element has a third end and a fourth end. The third end is coupled to the communication module. The fourth end is open. The first metal element and the second metal element are adjacent to each other, but not connected to each other. The first metal element and the second metal element have projections on the edge of the ground element, wherein the projections do not overlap with each other.
US09865927B2 Sensor pad to capacitively couple to an antenna module
An example computing system may include a proximity sensor including a sensor pad with a tail and an antenna to capacitively couple to the tail to increase a bandwidth of the antenna.
US09865926B2 Low angle radiating shorted half patch antenna
An antenna and methods of assembling the same are provided. The antenna includes a radiating element having front and rear edges and a grounding element positioned substantially parallel to and below the radiating element. The antenna also includes at least one shorting element coupling the rear edge of the radiating element to the grounding element. In the antenna, a length of the radiating element from the front to rear edges is approximately one quarter of a wavelength for a frequency the radio band of operation. Further, an a lateral distance from the front edge of the radiating element to a corresponding edge of the grounding element are less than or equal to approximately one half of the wavelength and a lateral distance from the rear edge of the radiating element to a corresponding edge of the grounding element is greater than or equal to approximately one half of the wavelength.
US09865925B2 Low-profile cavity broadband antennas having an anisotropic transverse resonance condition
Embodiments of the present invention relate to low-profile broadband antennas having an anisotropic traverse resonance condition. One important aspect of the invention is the incorporation of an anisotropic high index medium material, at least partially loaded within the cavity, which is configured to maintain a constant resonance frequency of the antenna. A low-profile cavity antenna may comprise: an aperture defining an opening to a cavity; an interior space defined by the cavity which is formed of a flat bottom wall defining a ground plane, and a pair of spaced-apart, lateral sidewalls extending away from the flat bottom wall in opposite directions toward the aperture; and an anisotropic high index medium material, at least partially loaded within the cavity, configured to maintain a constant resonance frequency of the antenna. The lateral sidewalls may extend from opposing sides of the flat bottom wall perpendicularly or with an outwardly taper.
US09865922B2 Antenna tuning circuitry with reduced interference
Antenna tuning circuitry includes an antenna tuning node, an antenna tuning switch, and a resonant tuning circuit. The antenna tuning node is coupled to a resonant conduction element of an antenna. The antenna tuning switch and the resonant tuning circuit are coupled in series between the antenna tuning switch and the antenna tuning node, such that the resonant tuning circuit is between the antenna tuning node and the antenna tuning switch. The resonant tuning circuit is configured to resonate at one or more harmonic frequencies generated by the antenna tuning switch such that a high impedance path is formed between the antenna tuning switch and the antenna tuning node at harmonic frequencies generated by the antenna tuning switch. Accordingly, harmonic interference generated by the antenna tuning switch is prevented from reaching the antenna, while simultaneously allowing for tuning of the antenna.
US09865919B2 Shared antenna arrays with multiple independent tilt
A feed network for use with an antenna array includes at least first and second RF inputs, a combiner network and a beamforming network. In some examples, additional RF inputs are provided. Each RF input corresponds to a sub-band. The first RF input for a first sub-band signal is coupled to a first sub-band parameter control; the second RF input for the second sub-band signal is coupled to a second sub-band parameter control. The combiner network is coupled to the first sub-band parameter control and to the second sub-band parameter control. The combiner network also has at least one output comprising a combination of the first sub-band signal and the second sub-band signal. The beamforming network is coupled to the combiner network and has a plurality of RF outputs. The first and second sub-band parameter controls are independently adjustable. In one example, the beamforming network comprises a Butler matrix.
US09865916B2 Antenna structure and wireless communication device using the antenna structure
An antenna structure includes an antenna holder, a radiating body, a feed portion, and a grounding portion. The antenna holder includes a plurality of surfaces. The feed portion is positioned on one surface of the antenna holder and electronically connected to a first end of the radiating body. The ground portion is positioned on one surface of the antenna holder and electronically connected to a second end of the radiating body so as to form a loop antenna. An electronic element is surrounded by the loop antenna.
US09865908B2 Electrode structure of solid type secondary battery
There is provided an electrode structure for preventing cracks occurring in a metal electrode due to heating in a manufacturing process in the case of stacking an insulating resin and the metal electrode which are different in thermal expansion coefficient. An electrode for a semiconductor circuit, stacked on a substrate made of an insulating resin, has an electrode structure composed of a main electrode including a slit formed by cutting out a part thereof to prevent occurrence of a crack in a manufacturing process caused by a difference in thermal expansion coefficient from the substrate, and an auxiliary electrode that covers the slit in the main electrode. No slit is provided but a bridge is formed at a portion where the slit in the main electrode and the slit in the auxiliary electrode overlap with each other, thereby eliminating a gap portion where the electrode does not exist.
US09865906B2 Battery system and method of assembling the battery system
A battery system and a method of assembling the battery system are provided. The battery system includes a thermally conductive base member, a thermal transfer member, a thermally conductive adhesive portion, and a battery module. The thermal transfer member has a metal plate with a top portion and a bottom portion. The bottom portion is disposed on the thermally conductive base member. The top portion has a substantially arcuate-shaped groove extending inwardly into the metal plate. The thermally conductive adhesive portion is disposed in the substantially arcuate-shaped groove. The battery module having a first pouch-type battery cell with a first outer housing with a first end portion. The first end portion is disposed on the thermally conductive adhesive portion and is disposed above the arcuate-shaped groove.
US09865899B2 All-solid-state secondary battery with solid electrolyte layer containing particulate precipitate of an olivine-type crystal structure
An all-solid-state secondary battery, including: a solid electrolyte layer; a positive electrode layer including a positive electrode active material layer and a first current collector layer; a negative electrode layer including a second current collector layer, the positive electrode layer and the negative electrode layer sandwiching the solid electrolyte layer; and external electrodes connected respectively to the first current collector layer and the second current collector layer, wherein the positive electrode active material layer is formed of an olivine-type active material, wherein the solid electrolyte layer is formed of a phosphate having a NASICON-type structure, and wherein the solid electrolyte layer contains particulate precipitate having an olivine-type crystal structure that includes a same element as an element forming the positive electrode active material layer.
US09865893B2 Electrochemical energy storage systems and methods featuring optimal membrane systems
This invention is directed to aqueous redox flow batteries comprising ionically charged redox active materials and separators, wherein the separator is about 100 microns or less and the flow battery is capable of (a) operating with a current efficiency of at least 85% with a current density of at least about 100 mA/cm2; (b) operating with a round trip voltage efficiency of at least 60% with a current density of at least about 100 mA/cm2; and/or (c) giving rise to diffusion rates through the separator for the first active material, the second active material, or both, of about 1×10−7 mol/cm2-sec or less.
US09865892B2 Fuel cell system and method for operating the same
Provided are a fuel cell system capable of shortening the wait time of an observer who confirms set points of a system interconnection protective device before starting a system interconnection operation, and a method for operating the fuel cell system.A fuel cell system 100 includes: a hydrogen generating unit 16 configured to generate a hydrogen-containing gas by using a raw material; a heater 18 configured to heat the hydrogen generating unit; an electric power generation start command unit 32 configured to receive a command of start of an electric power generating operation of the fuel cell system, the command being input by a manual operation of an operator, the electric power generating operation being interconnected with an electric power system; and a controller 28 configured to: execute electric power generation stand-by, in which the fuel cell system stands by for the start of the electric power generating operation interconnected with the electric power system, while executing a temperature maintaining process of the hydrogen generating unit by the heater after completion of a temperature increasing process of the hydrogen generating unit by the heater; and when the electric power generation start command unit receives the command of the start of the electric power generating operation, stop the electric power generation stand-by and start the electric power generating operation interconnected with the electric power system.
US09865890B2 Sealing apparatus for a fuel cell stack
A fuel cell stack assembly comprises a stack of fuel cells, each fuel cell having an air flow conduit with an input/output ventilation aperture disposed on a ventilation face of the stack, the ventilation apertures forming an array over said ventilation face of the stack. A membrane is moveable between a first configuration in which the ventilation face is occluded and a second configuration in which the ventilation face is not occluded. The membrane is rollable between the first configuration and the second configuration. Ventilation of the fuel cell stack is thereby controlled by the position of the membrane, e.g. during fuel cell start up and/or shut down procedures or for hydration control of the fuel cells.
US09865888B2 System and method for controlling temperature of fuel cell stack
A system and method for controlling a temperature of a fuel cell stack are provided. The method includes performing a pump OFF mode which turns off the cooling water pump or operates the cooling water pump while reducing the rotation speed of the cooling water pump to be less than the reference rotation speed, when a cooling water outlet temperature is equal to or less than a preset first temperature while a pump normal mode which adjusts a rotation speed of a cooling water pump to be equal to or greater than a preset reference rotation speed and varies rpm based on the cooling water outlet temperature is performed. In addition, the pump normal mode is performed when a cooling water outlet temperature estimation value of the fuel cell stack exceeds a preset second temperature while the pump OFF mode is performed.
US09865882B2 Noble metal catalyst layer, membrane electrode assembly, and method for producing noble metal catalyst layer
According to one embodiment, the noble metal catalyst layer includes first noble metal layer and a second noble metal layer formed on the first noble metal layer. The first noble metal layer includes a first noble metal element and has a porosity of 65 to 95 vol. %, a volume of pores having a diameter of 5 to 80 nm accounts for 50% or more of a volume of total pores in the first noble metal layer. The second noble metal layer includes a second noble metal element, and has an average thickness of 3 to 20 nm and a porosity of 50 vol. % or less.
US09865881B2 Electrode assembly, method for producing electrode assembly, and electric storage device including electrode assembly
Provided is an electrode assembly including: a negative electrode including a negative electrode current collector (NC) and a negative electrode active material layer (NAL) disposed on at least one surface of the NC; a positive electrode including a positive electrode current collector (PC), a positive electrode active material layer (PAL) disposed on at least one surface of the PC, and an undercoat layer being disposed between the PC and the PAL and being higher in resistance value than the PC. The negative electrode and the positive electrode are stacked on each other. In at least one side of the thus stacked negative and positive electrodes, the NAL projects from an edge of the PAL in a direction in which the NC and PC extend, and the undercoat layer projects from an edge of the NAL in the direction.
US09865878B2 Energy storage device
An energy storage device includes a positive electrode, a negative electrode, and a nonaqueous electrolyte solution. The negative electrode includes an active material layer, and the active material layer has pores having a pore size of 0.1 μm or more and 1.0 μm or less, and a total volume of the pores is 0.26 cm3/g or more and 0.46 cm3/g or less.
US09865877B2 Method for preparing polyanion-carbon nanofiber composite cathode active material
According to an embodiment of the present disclosure, a multi-acid anionic material-carbon fiber composite comprises carbon nanofibers and multi-acid anionic crystals stuck in the carbon nanofibers. Some of the multi-acid anionic crystals are exposed to an outside of the carbon nanofibers.
US09865876B2 Electrode material, electrode, and lithium ion battery
An electrode material, an electrode, and a lithium ion battery in which it is possible to improve not only the amount of gas generated in the battery during charge and discharge but also the deterioration of battery components without reducing the charge and discharge capacity are provided. The electrode material is an electrode material including carbonaceous electrode active material complex particles which include a carbonaceous material on surfaces of electrode active material particles, in which an oxygen content rate in the carbonaceous material is 5.0% by mass or less, and a coating ratio of the carbonaceous material on the surfaces of the carbonaceous electrode active material complex particles is 60% or more.
US09865873B2 Positive electrode mixture and all-solid-state lithium sulfur cell
The present invention aims to maximize the advantageous physical properties of sulfur and provide a cathode mixture that can be suitably used in a cathode mixture layer of an all-solid-state lithium sulfur battery exhibiting excellent charge/discharge capacity. The present invention also aims to provide an all-solid-state lithium sulfur battery including a cathode mixture layer containing the cathode mixture. The present invention provides a cathode mixture for use in a cathode mixture layer of an all-solid-state lithium sulfur battery, the cathode mixture containing: (A) an ion-conductive material containing phosphorus at a weight ratio of 0.2 to 0.55; (B) sulfur and/or its discharge product (B); and (C) a conductive material, the amount of the component (B) being 40% by weight or more of the total amount of the components (A), (B), and (C).
US09865872B2 Lithium-ion battery and method for producing same
The present invention relates to a lithium-ion battery. The lithium-ion battery comprises a positive electrode containing, as a principal component, a lithium oxide having a layered rock-salt structure and represented by chemical formula: LixM1yM2zO2-d. In this chemical formula, 1.16≦x≦1.32, 0.33≦y≦0.63, 0.06≦z≦0.50, M1 represents a metal ion selected from Mn, Ti and Zr, or a mixture thereof, and M2 represents a metal ion selected from Fe, Co, Ni and Mn, or a mixture thereof. The lithium-ion battery also comprises a negative electrode containing, as a principal component, a material capable of intercalating/deintercalating lithium ions, wherein peroxide ion(s) (O22−) are contained in the positive electrode.
US09865869B2 Electrode material for lithium-ion secondary battery and method for manufacturing same
An electrode material for a lithium-ion secondary battery of the present invention includes particles which are made of LiFexMn1-w-x-y-zMgyCazAwPO4, have an orthorhombic crystal structure, and have a space group of Pmna, in which a mis-fit value [(1−(b2×c2)/(b1×c1))×100] of a bc plane which is computed from lattice constants b1 and c1 of the LiFexMn1-w-x-y-zMgyCazAwPO4 and lattice constants b2 and c2 of FexMn1-w-x-y-zMgyCazAwPO4 obtained by deintercalating Li from LiFexMn1-w-x-y-zMgyCazAwPO4 by means of an oxidation treatment using nitrosonium tetrafluoroborate in acetonitrile is 1.32% or more and 1.85% or less.
US09865868B2 Negative electrode material for use in non-aqueous electrolyte secondary battery, method of producing the same, and lithium-ion secondary battery
A method of producing a negative electrode material for use in a non-aqueous electrolyte secondary battery, including: making base powder containing silicon; measuring a volume average particle diameter of this powder by particle size distribution with laser diffractometry; randomly sampling 5000 particles or more from the powder and measuring their roundness; selecting the powder if the volume average particle diameter ranges from 0.5 to 20 μm, the roundness of the sampled particles is 0.93 or more on average, and a ratio of the number of particles having a roundness of 0.85 or less is 5% or less; and coating the selected powder with carbon. A negative electrode material useful for a non-aqueous electrolyte secondary battery that has excellent cycle performance and makes the best use of advantages of a silicon-contained material, a method of producing this negative electrode material, and a lithium-ion secondary battery.
US09865866B2 Method for coating carbon on lithium titanium oxide-based anode active material nanoparticles and carbon-coated lithium titanium oxide-based anode active material nanoparticles produced by the method
Disclosed is a method for carbon coating on lithium titanium oxide-based anode active material nanoparticles. The method includes (a) introducing a lithium precursor solution, a titanium precursor solution and a surface modifier solution into a reactor, and reacting the solutions under supercritical fluid conditions to prepare a solution including nanoparticles of an anode active material represented by Li4Ti5O12, (b) separating the anode active material nanoparticles from the reaction solution, and (c) calcining the anode active material nanoparticles to uniformly coat the surface of the nanoparticles with carbon. Further disclosed are carbon-coated lithium titanium oxide-based anode active material nanoparticles produced by the method. In the anode active material nanoparticles, lithium ions are transferred rapidly. In addition, the uniform carbon coating ensures high electrical conductivity, allowing the anode active material nanoparticles to have excellent electrochemical properties.