| Document | Document Title |
|---|---|
| US09491894B2 |
Manufacturing method of cover structure
A method of manufacturing a cover structure is provided. A first insulating layer is provided. The first insulating layer has a first surface and a second surface opposite to each other. A second insulating layer is provided. The second insulating layer has a third surface and a fourth surface opposite to each other and an opening passing through the third surface and the fourth surface. A thickness of the second insulating layer is greater than a thickness of the first insulating layer. The first insulating layer and the second insulating layer are laminated to each other, so that the third surface of the second insulating layer connects to the second surface of the first insulating layer. A cavity is defined by the opening of the second insulating layer and the first insulating layer. A metal layer is formed on the cavity. |
| US09491893B2 |
Display device
A display device, comprising a display panel, a back surface enclosure disposed on a back surface side of the display panel and comprising a concave portion formed in a concave shape on a display panel side, and a heat generating component disposed between the display panel and the back surface enclosure, wherein the concave portion comprises a plurality of holes that release heat from the heat generating component to an outside of the display device. |
| US09491892B1 |
Electronic device cooling system with storage
Cooling systems for providing cooled air to electronic equipment are described. The systems can include large storage tanks or waste treatment systems to improve the efficiency of the plant and reduce impact on the environment. |
| US09491886B1 |
Compute and networking function consolidation
An apparatus for compute and networking operation in a rack-mounted device are provided herein. An exemplary apparatus may include a compute substrate, a networking substrate, and a bridge substrate. The compute substrate may include a processor, and a memory communicatively coupled to the processor. The networking substrate may be separate from the compute substrate and include control processor, and an Ethernet switch communicatively coupled to the control processor. The bridge substrate may be communicatively coupled to the compute substrate and the networking substrate, and include at least two high-speed signal traces, the high-speed signal traces being at least one differential pair, the high-speed signal traces being communicatively coupled to the compute substrate and the networking substrate. |
| US09491885B2 |
Multiple drive sled in a storage array
An apparatus as associated method contemplating a housing and a midplane supported by the housing having a midplane connector. A printed circuit board (PCB) having a PCB connector is selectively connectable to the midplane connector. A plurality of data storage devices are arranged on the printed circuit board in a staggered pattern, each electrically connected to the PCB connector via a respective electrical trace in the PCB. |
| US09491883B2 |
Connector with ejector mechanism reinforcement
A connector includes a housing for insertion and ejection of a device, and an ejection mechanism. The ejection mechanism includes a rod member able to slide in the directions of device insertion and ejection. The rod member includes a main body portion extending in the directions of insertion and ejection, an operating piece connected to a protruding end of the main body portion protruding from the housing and extending in a direction intersecting the insert and ejection directions, and a reinforcing portion connected to the main body portion in front of the protruding end in the insertion direction and able to support the operating piece from the front in the insertion direction. The reinforcing portion includes a supporting end able to support the operating piece from the front in the insertion direction. The supporting end extends in a direction intersecting the length direction of the operating piece. |
| US09491880B2 |
Circuit assembly for compact acoustic device
A circuit assembly (600) includes a printed circuit board assembly (100). The printed circuit board assembly includes a first circuit board (101), a second circuit board (102), and a first flexible substrate (103) interposed between, and continuous with, the first circuit board and the second circuit board. A second flexible substrate (108) extends from, and is continuous with, the second circuit board. One or more electronic circuits comprising electronic components (301,302,303,304,305) are disposed along one or more of the first circuit board or the second circuit board. The printed circuit board assembly is folded about a battery (601), with the first circuit board adjacent to the first major face, the second circuit board adjacent to the second major face, and the first flexible substrate spanning the one or more side faces. |
| US09491878B2 |
Electronic device with protective case and operating method thereof
An electronic device is provided. The electronic device includes a connector detachable from part of an electronic device including a display, and a cover connected to the connector, wherein the cover is capable of covering at least part of the display of the electronic device, and wherein the cover includes a window configured to expose the at least part of the display when the cover covers at least part of the display. |
| US09491874B2 |
Display apparatus
There is provided a display apparatus including a display that has a display face on which an image is displayed, a back chassis that is disposed on a side opposite to the display face of the display, and a cover film that is positioned in a state in which the cover film reaches the back chassis from the display face, one end of the cover film being attached to at least a portion of an outer circumferential portion of the display. The display is held by the cover film. |
| US09491868B2 |
Conductive resin composition, method for manufacturing electronic component using same, bonding method, bonding structure, and electronic component
A conductive resin composition which includes (a) a curable resin and (b) hard spherical carbon formed by coating the surface of a spherical base carbon particle with fine carbon particles and/or pitch-derived fine carbon pieces is used to electrically bond two conductive elements. The conductive resin composition is supplied to a space between areas of at least two works respectively having the areas to be electrically connected to each other, and the conductive resin composition is cured while applying a pressure between the areas. |
| US09491867B2 |
Wiring substrate and multi-piece wiring substrate
A wiring substrate includes: a substrate body made of ceramic and having a front surface and a rear surface, each having a rectangular shape in a plan view, a plurality of rear surface electrodes formed on the rear surface of the substrate body, a frame-shaped conductive portion provided on the front surface side of the substrate body, and a via conductor penetrating the substrate body and establishing electric connection between the plurality of rear surface electrodes and the frame-shaped conductive portion. A part of the rear surface is exposed between the plurality of rear surface electrodes and each side of the rear surface of the substrate body. On the rear surface of the substrate body, at least one projecting wiring is formed between each of the plurality of rear surface electrodes and each of a corresponding pair of the sides that intersect with each other. |
| US09491866B2 |
Method for manufacturing a printed circuit board
Provided is a method for manufacturing a printed circuit board. The method for manufacturing a printed circuit board includes preparing an insulation board, irradiating a laser onto a graytone mask to each a surface of the insulation board, thereby forming a circuit pattern groove and a via hole at the same time, and filling the circuit pattern groove and the via hole to form a buried circuit pattern and the via. Thus, the circuit pattern groove and the via hole may be formed using the graytone mask at the same time without perfolining a separate process for forming the via hole. Therefore, the manufacturing process may be simplified to reduce the manufacturing costs. |
| US09491862B2 |
Method for producing a printed circuit board consisting of at least two printed circuit board regions, and printed circuit board
In a method for producing a printed circuit board consisting of at least two printed circuit regions, wherein the printed circuit board regions each comprise at least one conductive layer and/or at least one device or one conductive component, wherein printed circuit board regions to be connected to one another, in the region of in each case at least one lateral surface directly adjoining one another, are connected to one another by a coupling or connection, and wherein, after a coupling or connection of printed circuit board regions, at least one additional layer or ply of the printed circuit board is applied over the printed circuit board regions, the additional layer is embodied as a conductive layer, which is contact-connected via plated-through holes to conductive layers or devices or components integrated in the printed circuit board regions. |
| US09491859B2 |
Grid arrays with enhanced fatigue life
Reliability is improved for the mechanical electrical connection formed between a grid array device, such as a pin grid array device (PGA) or a column grid array device (CGA), and a substrate such as a printed circuit board (PCB). Between adjacent PCB pads, a spacing pattern increases toward the periphery of the CGA, creating a misalignment between pads and columns. As part of the assembly method, columns align with the pads, resulting in column tilt that increases from the center to the periphery of the CGA. An advantage of this tilt is that it reduces the amount of contractions and expansions of columns during thermal cycling, thereby increasing the projected life of CGA. Another advantage of the method is that it reduces shear stress, further increasing the projected life of the CGA. |
| US09491858B2 |
Circuit board
This wiring board is provided with: a plurality of metal wires disposed upon an insulating substrate; and a transparent adhesive agent layer which is disposed upon the metal wires, and which is in direct contact with the metal wires. The metal wires include: a first metal wire which has a pulse signal supplied thereto; and a second metal wire which has a fixed electric potential applied thereto. The pulse signal has a reference level identical to the fixed electric potential, and has a pulse train in which a plurality of pulses having a pulse width of not more than 3 msec are arranged, the integral time of the pulses in a period of 600 seconds being less than 60 seconds. |
| US09491847B2 |
Multilayer ceramic electronic component and board having the same
A multilayer ceramic electronic component includes: a board including first and second contact terminals disposed on one surface thereof to be spaced apart from each other and first and second external terminals disposed on the other surface thereof to be spaced apart from each other; a multilayer ceramic capacitor including first and second external electrodes including first and second connection portions disposed on opposite end surfaces of a ceramic body and first and second band portions extending from the first and second connection portions to portions of one surface of the ceramic body and connected to the first and second contact terminals, respectively; a sealing part enclosing the multilayer ceramic capacitor on the board while exposing one ends of the first and second contact terminals; and first and second connection terminals connecting the ends of the first and second contact terminals to the first and second external terminals, respectively. |
| US09491832B2 |
Electrically illuminated flame simulator
An electrically powered flame simulator comprises at least two light sources, an integrated circuit electrically connected to the light sources for intermittently illuminating at least one of the light sources independently of other light sources such that the light sources together provide the effect of a flickering movement, and a power source for providing power to the integrated circuit. The flame simulator may be mounted in a decorative or ornamental device such as a candle or fire log, or used on decorative clothing, or may be part of a hazard or warning system. One or more solid state light sources may also be used. |
| US09491830B2 |
Compensation unit and organic light emitting display including the same
A compensation unit includes a current source unit, a current sink unit, a sensing resistor, a comparator, and a memory. The current source unit is configured to supply a first reference current to a first node. The current sink unit is configured to sink a second reference current from the first node. The sensing resistor is coupled between the first node and a second node. The comparator is configured to: compare a voltage at the first node with a voltage at the second node, and output a comparison result signal based on the comparison. The memory unit is configured to: store compensation data related to operational disparity of at least one organic light emitting diode and/or of at least one driving transistor, output the compensation data, and modify the compensation data based on the comparison result signal. |
| US09491827B2 |
Methods and apparatus for controlling lighting
Disclosed are methods and apparatus for lighting control. Presence of a lighting control element (110, 310, 312A-C, 510, 512, 610, 710, 915, 917) is identified over one or more LEDs (323, 327, 930) and at least one lighting control property of the lighting control element is identified. At least one property of light output of controlled light sources associated with the lighting control element is adjusted based on the lighting control property of the lighting control element. The lighting control element may be a user interface element. |
| US09491825B2 |
LED lighting device
An LED lighting device comprises: a rectification circuit unit for receiving input power from a power source unit and outputting a rectified power; an LED unit having a plurality of LED channels connected in series and a resistor unit connected to the last end of the LED channels; a current sensing resistor; and a switch circuit unit comprising a plurality of switches, wherein an nth switch is connected to the rear end of an nth LED channel so as to control an operation of the nth LED channel and is controlled by a sum of a current of the nth switch and a current of an (n+1)th switch, which flows through the current sensing resistor. |
| US09491822B2 |
LED driver with adaptive dynamic headroom voltage control
A multi-channel LED driver includes a plurality of linear current regulators, each connected to a bottom of a string of series connected LEDs of a multi-channel LED that controls a bias current and the string of series connected LEDs responsive to an LED bias reference voltage. A dynamic headroom regulation voltage control circuit monitors the headroom regulation voltage at the bottom of each string of the series connected LEDs in the multi-channel LED and generates a reference voltage controlling each of the headroom regulation voltages responsive to the LED bias reference voltage. |
| US09491821B2 |
AC-powered LED light engine
AC LED light engines powered directly from the AC power line contain circuitry of resistors, capacitors, diodes and transistors which enables a single string LEDs connected to series to efficiently produce light with a relatively low level of flicker as perceived by the human eye. The LEDs are driven by a current which is alternately capacitively-limited and resistively-limited. Capacitively-limited pulses of current are interposed between resistively-limited pulses of current so that the resulting output current ripple is at frequencies of 240 Hz or above which the human eye cannot perceive. The combination of resistively-limited current and capacitively-limited current results in a current drain from the power line which is generally sinusoidal and can have a power factor in excess of 0.70. |
| US09491819B2 |
Hysteretic power factor control method for single stage power converters
In one aspect, a switching power converter is described that includes a transformer, a switch, and a controller that generates a control signal to turn on and turn off the switch. For each alternating current (AC) half-cycle of an input voltage, the controller determines a minimum value of a signal representing an on-time of the power converter, compares the determined minimum value with a threshold value that is used to determine whether the switching power converter operates in a constant on-time mode or in a constant power mode, and adjusts the threshold value based on a result of the comparison. The controller further generates the control signal to operate the switching power converter in a constant power mode during a first time period of the AC half-cycle, the first time period representing a duration where the threshold value is larger than an instantaneous value of the first signal. |
| US09491817B2 |
LED driving circuit
In one embodiment an LED driving circuit can include: (i) a rectifier circuit configured to receive an AC input power supply through a TRIAC, and to generate a bus voltage; (ii) a driving current generator configured to convert the bus voltage to a constant driving current and an output voltage to drive an LED load; and (iii) a current distribution circuit coupled between a positive pole and a negative pole of the bus voltage, where the current distribution circuit is configured to sample an input current to generate a sense signal, and to compare the sense signal against a voltage reference signal that represents an expected input current, so as to regulate the input current according to the voltage reference signal. |
| US09491811B2 |
Cooking appliance employing microwaves
A cooking appliance employing microwaves is provided. The cooking appliance employing microwaves includes a first microwave generating unit for generating and outputting a plurality of microwaves so as to heat an object in a cavity; and a second microwave generating unit for generating and outputting microwaves differing from those of the first microwave generating unit, so as to heat the object in the cavity. In this way, operating efficiency can be improved. |
| US09491809B2 |
Induction cooktop appliance
An induction cooktop appliance is provided. The induction cooktop appliance includes an induction heating element and a metal top panel positioned above the induction heating element for supporting cooking utensils thereon. The metal top panel defines an opening above the induction heating element. The opening can limit or regulate eddy currents within the metal top panel. |
| US09491807B2 |
Method for induction heating and induction heating device
A method and apparatus for preparing foodstuffs cooked in a liquid in a cooking vessel is provided. According to various aspects, an induction heating device includes a resonant circuit with an induction heating coil. A parameter value of the resonant circuit may be determined, depending on a temperature of a bottom of the vessel. During a heating-up phase, a high-frequency rectangular voltage may be applied to the resonant circuit to supply heating power to the bottom of the vessel. A heating power setpoint may be periodically varied and may be set to a first value during a first interval of a period, and set to a second, smaller value during a remaining interval. A determination of a change in the parameter value within the period may be made, and an evaluation of the change in order to determine the boiling point of the liquid and end the heating-up phase. |
| US09491806B2 |
Heatable transparency
An aircraft transparency has a heatable member to remove fog, ice and snow from the outer surface of the transparency. The heatable member includes a pair of spaced parallel bus bars with the ends of the bus bars offset from one another, and a coating including a plurality of spaced segments of an electrically conductive coating electrically connecting the bus bars. The ratio of the major diagonal to the minor diagonal is in the range of greater than 1 to 1.25 to more uniformly heat the coating and the outer surface of the transparency. |
| US09491804B2 |
Heater and glow plug including the same
The present invention provides a heater including an insulating base made of ceramic, and an electrically conductive line embedded in the insulating base. The electrically conductive line contains electrically conductive grains and ceramic grains. The average grain size of the ceramic grains in the electrically conductive line is smaller than the average grain size of the ceramic grains in the insulating base. |
| US09491801B2 |
Dynamic multi-access wireless network virtualization
We disclose systems and methods of dynamically virtualizing a wireless communication network. The communication network is comprised of heterogeneous multi-RAT mesh nodes coupled to a computing cloud component. The computing cloud component virtualizes the true extent of the resources it manages and presents an interface to the core network that appears to be a single base station. |
| US09491798B2 |
Communications system
There is provided a communications system (10) comprising a plurality of base stations (12), a central station (16) and a fiber optic communications network (14). Each base station (12) comprises a shelter (20) for a passenger awaiting transport, the shelter (20) having a wireless network access point (22). The central station (16) is arranged to facilitate communication between each base station (12) and a communications network (18) and the fiber optic communications network (14) is arranged to facilitate communication between each base station (12) and the central station (16). |
| US09491796B2 |
Methods and systems for providing multiple access within a network
Methods and systems for media access control allow master and slave nodes of a network to communicate using the same carrier while avoiding collisions of transmissions. At least one slave node is an implantable device. Master nodes initiate all data exchange sequences, and slave nodes are responsive to the data exchange sequences. The exchange sequences begin by master nodes contending for use of the carrier through a countdown procedure. A set order of communications occurs between a master node who won the contention and a slave node being communicated with by the master node to transfer a data frame. Contention is then repeated to determine the next master node that is allowed to transfer a data frame. New master nodes entering the network employ a discovery process to poll for existing devices in the network. |
| US09491791B2 |
Communication apparatus, method of controlling the same, and non-transitory computer-readable storage medium
A communication apparatus is capable of communicating with another communication apparatus by a first communication scheme and by a second communication scheme for which a communication speed is faster or a communication range is longer than that of the first communication scheme. The communication apparatus, in a case where it is determined that the communication by the second communication scheme was already being performed, includes, in a response corresponding to a request received from an other communication apparatus, information indicating that control for the communication by the second communication scheme based on the request is unnecessary, and transmits the response to the other communication apparatus. |
| US09491790B2 |
Communication control method, communication node, and mobile node
A technique is disclosed in which an MN (mobile node) 100 notifies, to a CN (correspondent node), home network connection information indicative of whether or not it is currently in connection with a home network which has allocated its own plurality of HoAs (home addresses), an address of each HA (home agent) and an ID of each HA in a state associated with the plurality of HoAs. Based on the information received from the MN, the CN grasps the home network with which the MN is currently in connection and makes an inquiry about the condition of the HA and sets an appropriate HoA, judged on the basis of the grasping result or the inquiry result, as a destination address of a packet to be transmitted to the MN. |
| US09491789B2 |
Decentralizing core network functionalities
The present invention relates to methods and apparatuses for providing network access, wherein a connection to a core network is established via a wireless access device (20) and a gateway device (42). Connectivity of the wireless access device (20) is restricted to a pre-defined group of core network address of a pool of gateway devices (42) with multi-node connectivity to the core network, and a single address is selected to establish the connection to a one of the gateway devices (42). The gateway device (42) is provided with a relay function for mapping a single input address to a plurality of core network addresses based on a location information of the wireless access device (10) and with at least one co-located decentralized core network functionality. |
| US09491787B2 |
Wireless communication apparatus, wireless communication method, non-transitory computer-readable recording medium, master, and slave
When the first connection is established with a slave, the master determines one channel selected from three advertising channels, as a channel used for establishment of the subsequent connection with the slave, and notifies the slave of the one channel. When the first connection is established with the master, the slave transmits an advertise in the three advertising channels. Further, when the second or subsequent connection is established with the master, the slave transmits the advertise in the one channel notified of from the master. |
| US09491782B2 |
Method and apparatus for managing multiple timing advance groups in mobile communication system supporting carrier aggregation
A method and apparatus for managing multiple Timing Advance Groups (TAGs) operating with different timings are provided for use in a Long Term Evolution (LTE) system. The method for managing multiple TAGs at a base station of a wireless communication system supporting carrier aggregation according to an exemplary embodiment of the present invention includes categorizing a plurality of carriers into at least one TAG according to a predetermined rule, assigning a TAG index to each TAG, transmitting the TAG index to a terminal, generating a Timing Advance Command (TAC) for synchronization, and transmitting the TAC to the terminal in a random access process. The method and apparatus for managing TAGs according to exemplary embodiments of the present invention is capable of informing of the timing advance group to which each carrier belongs and managing multiple timing advance groups efficiently without signaling overhead. |
| US09491780B2 |
Method and device for processing random access parameter
A method and a device for processing a random access parameter, so as to properly adjust the random access parameter and improve a success rate of random access includes receiving a random access report of a first cell reported by one or more user terminals, where a random access detection item recorded in the random access report includes: at least one of number of times of preamble cycles in each random access, a reason for preamble transmission failure within each preamble cycle period and a random access delay; performing random access detection item statistics according to the random access report and obtaining a statistical value, if the statistical value reaches a preset threshold, adjusting the random access parameter of the first cell; and issuing the adjusted random access parameter to a user terminal belonging to the first cell. |
| US09491778B2 |
Method and device for obtaining secondary timing advance
Embodiments of the present invention provide a method and a device for obtaining a secondary timing advance. The method includes: after a secondary cell activation command is received or after a secondary cell is activated, if a secondary time alignment timer TAT of the secondary cell does not run, initiating, by a terminal, a random access procedure; and obtaining, by the terminal, the secondary TA according to a TA received in the random access procedure. With the method and the device for obtaining a timing advance according to embodiments of the present invention, a terminal initiates a random access procedure to obtain a secondary timing advance after the terminal receives a secondary cell activation command sent by a base station or after a secondary cell is activated, thereby saving signaling overhead and system resources. |
| US09491776B2 |
Systems and methods for scheduling communication between wireless devices to reduce interference associated with full duplex communication in multi-cell networks
Certain embodiments herein relate to scheduling interference between wireless devices in a manner that reduced interference associated with full duplex communication. Signal strength and interference information associated with communication between wireless devices may be collected and forwarded to a processing device, such as a central controller. The central controller may utilize such information to generate a conflict graph that depicts interference relationships between the wireless devices. Using the conflict graph, the central controller may determine whether requested communications may be scheduled along with concurrently scheduled communications without resulting in interference affecting the communications. In one embodiment, a requested communication may be scheduled with other concurrently scheduled communications if the aggregated throughput is increased with the addition of the requested communication. |
| US09491773B2 |
Interference management for different wireless communication technologies
Systems and methodologies for avoiding interference with disparate communication technologies when allocating and/or utilizing wireless communication resources are provided. Access points can generate resource assignments for mobile devices based on resources utilized by disparate communication technology devices. The resource assignments may avoid the disparate communication technology resources, allocate narrow bands over the disparate communication technology resources, and/or avoid or limit allocations in a measurement gap during which disparate communication technology devices communicate. Mobile devices can provide information to the access points, such as a communication technology to avoid interfering or resources utilized by devices of the disparate communication technology. This information can be acquired by receiving signals from the devices and/or detecting presence of the devices. In addition, a mobile device can reduce transmission power over resources used by the disparate communication technology. |
| US09491772B2 |
Methods and systems for placeshifting data with interference mitigation
Methods and systems are provided for placeshifting data. An exemplary method of transmitting data from a source device to a destination device over a first communications channel involves identifying interference with transmission of the data from the source device to the destination device and initiating operation of a third device on a second communications channel after identifying the interference, wherein the operation of the third device is configured to mitigate the interference with the data transmission over the first communications channel. |
| US09491765B1 |
Beam forming communication system
A beam forming communication system includes a beam forming wireless communication device that is configured to provide wireless communication signals on a plurality of beamed formed wireless communication paths. A plurality of computing devices are positioned in a rack and are each configured to receive wireless communication signals from the beam forming wireless communication device. Each of the plurality of computing devices may determine whether wireless communication signals satisfy minimum wireless signal characteristics and, if so, provide a beam form receiving indication. The plurality of computing devices are positioned such that only a first subset of the plurality of computing devices provide the beam form receiving indication in response to the beam forming wireless communication device providing the wireless communications signals on a first beam formed wireless communication path. |
| US09491759B2 |
Method and apparatus for assigning connection identifiers of device-to-device communications
A method and a device for assigning connection identifiers for a device-to-device communication are provided. The method includes checking unused connection identifiers among all entire connection identifiers that can be used for the device-to-device communication, determining a certain number of candidate connection identifiers to be used for the device-to-device communication with the peer user equipment among the unused connection identifiers, transmitting first information relating to data characteristics of a connection to be generated with the peer user equipment to the peer user equipment, and receiving second information relating to at least one connection identifier selected in consideration of the data characteristics based on the first information from the peer user equipment. The second information indicates that at least one connection identifier mapped to respectively different time resource regions is assigned to the connection. |
| US09491757B2 |
Method and apparatus for determining relay link resource element group
A method and an apparatus for determining a relay link resource element group are disclosed. The method includes: determining a size of a relay link resource element group according to a pattern of a non-zero-power Channel State Information Reference Signal (CSI-RS), and/or a pattern of a zero-power CSI-RS and/or a pattern of a Common Reference Signal (CRS), and/or a pattern of a Demodulation Reference Signal (DMRS) transmitted in a resource block in which the resource element group locates in allocated resources. The allocated resources are used for a transmission over a relay link physical downlink control channel, including one or more continuously or discretely distributed resource blocks in the frequency domain, while including one or more Orthogonal Frequency Division Multiplexing (OFDM) symbols in the time domain. |
| US09491755B2 |
Methods and apparatus to transmit and receive synchronization signals in a mobile communication system
Beam-steered millimeter wave signals transmitted in each of n sector slices include a sequence of primary synchronization (PSCH) symbols within predetermined symbol positions in at least one slot of a subframe. The symbols in consecutive symbol positions are each transmitted on a different one of the n slices, with the first symbol repeated on the same slice at the end. The sequence order rotates cyclically in each subframe so that two PSCH symbols are transmitted on one slice in a single subframe every nth subframe. Secondary synchronization (SSCH) and Broadcast Channel (BCH) symbols are transmitted in a predetermined pattern following the sequence of PSCH symbols. By transmitting consecutive PSCH symbols on different slices and repeating the first symbol, the mobile station can detect the best slice and beam by switching receive beams every subframe instead of every slot, relaxing time constraints on AGC adjustment while avoiding the start-at-the-edge problem. |
| US09491750B2 |
Method and apparatus for transreceiving downlink signal by considering antenna port relationship in wireless communication system
The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting or receiving a downlink signal by considering an antenna port relationship. A method for user equipment receiving a physical downlink shared channel (PDSCH) signal in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining from the downlink subframe a resource element (RE) on which the PDSCH is mapped; and receiving the PDSCH signal based on the RE on which the PDSCH is mapped, wherein when the DCI is comprised according to DCI format 1A and the downlink subframe is a multicast broadcast single frequency network (MBSFN) subframe, the RE on which the PDSCH is mapped can be determined depending on cell-specific reference signal (CRS) location information, which is included in a PDSCH resource element mapping and Quasi co-location indicator (PQI) parameter set that is established by an upper layer. |
| US09491748B2 |
HARQ ACK/NACK transmission method and wireless device
Provided are a method for transmitting a hybrid automatic repeat request (HARQ) positive-acknowledgement (ACK)/negative-acknowledgement (NACK) in a wireless communication system and a wireless device using the same. A resource of an uplink control channel used for the transmission of the HARQ ACK/NACK is determined according to the format of downlink control information. |
| US09491747B2 |
Method, base station and user equipment for subframe configuration in time division duplex system
Disclosed are a method, a base station and a user equipment for subframe configuration in a time division duplex system. The method comprises: a base station determining a subframe number of a flexible subframe in a radio frame; the base station determining a feature of the flexible subframe corresponding to the subframe number, where the feature indicates that the flexible subframe is an uplink subframe or a downlink subframe; and the base station sending to a user equipment a first signaling via a downlink control channel, where the first signaling includes the feature of the flexible subframe corresponding to the subframe number. |
| US09491744B2 |
Terminal apparatus, base station apparatus, communication system, radio resource requesting method and integrated circuit
A terminal apparatus in a communication system that includes a base station apparatus and the terminal apparatus. The terminal apparatus is configured to receive a transmission configuration of an uplink control channel. In addition, the terminal apparatus is configured to transmit the uplink control channel based on a first transmission configuration or a second transmission configuration, wherein the second transmission configuration includes an extended parameter of the first transmission configuration, and the uplink control channel is used for a scheduling request. |
| US09491742B2 |
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. |
| US09491740B2 |
Method for transmitting and receiving uplink signal, user equipment, and base station
The present invention categorizes a plurality of cells that are configured to a user equipment into at least one cell group, and configures an anchor cell for each of the cell groups. The anchor cell for each of the cell groups is used for transmitting a PUCCH, which carries uplink control information on a pertinent cell group, and in a random access process for acquiring a timing advance with respect to the pertinent cell group. When the uplink control information is transmitted from a PUSCH of one cell, the PUSCH carries only the uplink control information on the cell group to which the one cell belongs and does not carry information on another cell group. |
| US09491737B2 |
Communication systems
A transmission method for use in a multi-hop wireless communication system is provided. The system includes a source apparatus, a destination apparatus and one or more intermediate apparatuses. The system has access to at least one predetermined transmission introduction sequence and also having access to a time-frequency format for use in assigning available transmission frequency bandwidth during a discrete transmission interval, said format defining a plurality of transmission windows within such an interval. The method for use in this system includes, when transmitting a message with a preamble in a particular transmission interval, transmitting the preamble in a first transmission window of that transmission interval. The method further includes transmitting the transmission introduction sequence in a second transmission window of that transmission interval other than the first transmission window as control information for use by at least one said intermediate apparatus. |
| US09491736B2 |
Base station device, and mobile station device
Provided are a base station device and a mobile station device, which can lighten a cell-search processing. The base station device includes a frame constitution unit for forming a frame, in which a pilot symbol multiplied by a base station scrambling code and a plurality of sequences contained in the corresponding sequence set is arranged in at least the head or tail, and a radio transmission unit for sending the formed frame. On the receiving side, the frame timing can be detected from the position of a pilot symbol contained in that frame. Since the base station scrambling code and the sequence set containing the sequences are made to correspond to each other, candidates can be narrowed to at most the base station scrambling codes of the number of the combinations of the sequences contained in the sequence set, by detecting the sequences multiplied by the pilot symbol. |
| US09491732B2 |
Paging processing method, user equipment and system
The present invention relates to a paging processing method, user equipment and system. A user equipment receives a paging message sent by a mobility management network element. The user equipment sentence a message for location update according to a value of a temporary identity (TIN) used for next update. A mobility management network element receives the message for location update and acquires a bearer context of the user equipment. |
| US09491728B2 |
Method and device for implementing automatic compensation for asymmetric delay of 1588 link
A method and device for implementing a compensation for an asymmetry delay of a 1588 link are provided. The method comprises: measuring and calculating a value of an asymmetry delay of the 1588 uplink/downlink; performing an asymmetry delay compensation when the value of the asymmetry delay exceeds a set synchronization offset range; and continuing a normal 1588 time synchronization if the value of the asymmetry delay does not exceed the set synchronization offset range; and implementing the automatic compensation for the asymmetry delay of the 1588 link. The above-mentioned scheme can correct the asymmetry delay automatically, and ensure the quality of 1588 time synchronization. |
| US09491723B2 |
System for monitoring and controlling the power of a radio frequency (RF) signal in a short-range RF transmitter
A system for monitoring and controlling the power of a Radio Frequency (RF) signal in a short-range RF transmitter. An RF signal-generation unit generates the RF signal. A power amplifier amplifies the RF signal. An impedance-matching network matches the output impedance of the power amplifier to input impedance of an antenna. One or more RF power monitors monitor the voltage amplitude of the RF signal at the output of at least one of the RF signal-generation unit, the power amplifier and the impedance-matching network. The one or more RF power monitors further generate at least one alarm signal, based on the voltage amplitude of the RF signal. A control unit modifies at least one operating parameter of at least one of the RF signal-generation unit and the power amplifier, based on the at least one alarm signal generated by the one or more RF power monitors. |
| US09491722B2 |
Adaptation of transmit power based on channel quality
Transmit power (e.g., maximum transmit power) may be defined based on the maximum received signal strength allowed by a receiver and a minimum coupling loss from a transmitting node to a receiver. Transmit power may be defined for an access node (e.g., a femto node) such that a corresponding outage created in a cell (e.g., a macro cell) is limited while still providing an acceptable level of coverage for access terminals associated with the access node. An access node may autonomously adjust its transmit power based on channel measurement and a defined coverage hole to mitigate interference. Transmit power may be defined based on channel quality. Transmit power may be defined based on a signal-to-noise ratio at an access terminal. The transmit power of neighboring access nodes also may be controlled by inter-access node signaling. |
| US09491720B2 |
Method, processor, and user equipment for transmitting at reduced transmission power to save power consumption of user equipment
A signal sending method and apparatus are provided, and relate to the field of communications, so as to prevent a user equipment (UE) from sending a signal at maximum transmit power adjusted through automatic gain control (AGC) after a power amplifier (PA) is started. The method includes: setting, by a UE, transmit power of the UE after an uplink PA of the UE is turned off, where the transmit power of the UE is less than maximum output power of the uplink PA; when the PA is started, sending a signal at the transmit power of the UE. The embodiments of the present invention are used to send a signal. |
| US09491716B2 |
Communication control device, communication control method, program, and communication control system
Provided is a communication control device including a power control unit configured to determine a transmission power of a wireless signal, which is transmitted from an interfering device, by using a fading index that is estimated based on a change in a relative distance between the interfering device and an interfered device. |
| US09491709B2 |
Apparatus and method for triggering a maximum power reporting event in a wireless communication network
Aspects of the present disclosure provide an apparatus and method of utilizing a filtered transmit power margin calculation, rather than an instantaneous Tx power, to determine whether or not to trigger an Event 6D report. The filtered transmit power margin may take into account not only the user equipment's transmit power and the maximum transmit power level, but in addition, a received maximum power reduction value. |
| US09491708B2 |
Method for transmitting signal in wireless access system and apparatus for same
In the present invention, a method for transmitting a signal in a wireless access system and an apparatus for same are disclosed, which more particularly, comprise the steps of: receiving additional maximum power reduction (A-MPR) according to a first network signaling from a base station, when network signaling that is received from the base station is identical to the first network signaling that is predetermined; reducing maximum transmission power of a terminal using the A-MPR which is received; and transmitting an uplink signal to the base station within the scope of the maximum transmission power of the terminal that is reduced, wherein the A-MPR is outputted by considering interference from frequencies adjacent to a band that is allocated to the terminal. |
| US09491705B2 |
Radio frequency method for recharging a wireless telephone
When the charge of a battery in a mobile telephone is less than a predefined level, a recharge request message or notice is wirelessly transmitted to a charging module. In response, the charging module begins transmitting a radio frequency signal. The mobile telephone receives the radio frequency signal and extracts energy therefrom which is used to recharge the battery. When the charge of the battery is greater than a predetermined level, recharging the battery terminates and a termination message is wirelessly transmitted to the charging module, which responds by discontinuing transmission of the radio frequency signal. |
| US09491704B2 |
Methods and apparatus for controlling power consumption in an electronic device with a communication subsystem
An electronic device has a communication subsystem with a power saving mode and an active mode. The communication subsystem is set to switch between the power saving mode and the active mode depending on thresholds of communication traffic. The settings for the thresholds depend on the activity detected on the electronic device. |
| US09491702B2 |
Discontinuous reception dynamic configuration method, terminal and base station
The embodiment of the present document discloses a method, terminal and base station for dynamically configuring Discontinuous Reception (DRX), which enable the base station dynamically configure a DRX short cycle with a low expense, and enable the terminal be adapted to the power saving demand for different data services. The terminal executes the following processing: receiving a DRX cycle using instruction transmitted by the base station; using a long DRX cycle if determining that the received DRX cycle using instruction is a long DRX cycle using instruction. The base station executes the following processing: when the base station determines that the UE needs to use the long DRX cycle according to data arriving regular of the terminal, transmitting the long DRX cycle using instruction to the UE. The terminal includes a receiving module and a DRX module. |
| US09491701B2 |
Method for transmitting and receiving signal of station operable in power saving mode in wireless communication system, and device therefor
One embodiment of the present invention relates to a method for transmitting a signal of a station (STA) operable in a power saving mode in a wireless communication system, and the method for transmitting a signal comprises a step of transmitting a PS-Poll frame and/or a trigger frame according to a first time period, wherein an integrated scaling factor is applied to the first time period, and the integrated scaling factor is also commonly applied to a second time period in which the STA can omit frame transmission by maintaining an association state with an access point (AP). |
| US09491699B2 |
Method for saving energy in operating a first and second mobile communication networks, mobile communication networks
A method for saving energy in operating first and second mobile communication networks by invoking an energy saving operational mode of the first and second mobile communication networks includes: operating a first radio access network in a first operational mode for peak time usage of the first mobile communication network, and in a second operational mode for off-peak time usage of the first mobile communication network; and invoking, at least partly during off-peak time usage of the first and second mobile communication networks, the energy saving operational mode of the combination of the first and second mobile communication networks such that the first radio access network is operated in the second operational mode while the second radio access network is operated such that coverage and capacity requirements in a geographic area are ensured by the combination of the first and second mobile communication networks. |
| US09491698B2 |
Faster cell selection
Methods and apparatus are described for performing cell selection for reducing an initial acquisition time between a user equipment (UE) and a network entity, comprising measuring a signal from a cell, the signal including at least one system information block (SIB), wherein the at least one SIB includes a plurality of cell selection threshold values; attempting to decode the at least one SIB; determining, in response to successfully decoding the at least one SIB, whether one or more measurements of the signal pass or fail a cell selection criteria check that includes the plurality of cell selection threshold values; determining, in response to the cell selection criteria check failing, whether the plurality of cell selection threshold values are within range of a plurality of corresponding minimum network threshold values; and performing a cell selection procedure on the cell in response to determining that the plurality of cell selection threshold values are within range of the plurality of corresponding minimum network threshold values. |
| US09491697B2 |
Terminal, control method for same, and control program for same
The terminal according to the present application includes: a communication module for scanning to detect accessible access points and connecting to one of the accessible access points; and a connection controller for targeting an identical accessible access point, which has been consecutively detected by a predetermined number of times of scans at predetermined time intervals among the accessible access points, for connection. |
| US09491692B2 |
Mobile terminal device, control method, and computer product
A mobile terminal device includes a processor that connects to a base station; connects to a network through an access point; and detects transition from a non-display state to a display state; and a storage device that stores connection history information correlating area identification information identifying a communication area of the base station, and access point identification information identifying an access point through which connection to the network has been made in the communication area. The processor, when detecting the transition in a communication area of a first base station, starts searching for an access point in the communication area of the first base station after a predetermined period elapses, and determines whether an entry including first area identification information of the first base station is retrieved from the connection history information; and after the predetermined period elapses, performs control to connect to the network, based on a determination result. |
| US09491690B2 |
Efficient searching for communications networks
Systems and methods are provided for adaptive control of scanning by a communications device, such as a mobile handset, for an available communication network based on a status of the communications device, user behavior, and signal status. A new time interval used for scanning for communications networks and access points is calculated responsive to a detected change in condition. |
| US09491689B2 |
Cell search for flexible spectrum use
Structure of a multi-carrier flexible spectrum wireless cell is determined from received synchronization or broadcast channels of detected individual carriers. The determined structure is used to select an intended carrier for initial access or cell reselection to the flexible spectrum wireless cell. The structure may have carriers compatible with an earlier version (LTE/Release 8) of a communication standard and with a later version (LTE-A/Release 9). The received synchronization channels can inform of: relative positions of the individual carriers in a spectrum band of the multi-carrier structure; relative timing alignments of the received synchronization channels; contents of the received synchronization channels; and/or layer 1 cell-carrier identifiers. The synchronization channels may have a different structure as between the earlier and later versions, and the different structure is used to select the carrier that is compatible with the user equipment making the selection. |
| US09491686B2 |
Virtual private networking with mobile communication continuity
In general, a mobile virtual private network (VPN) is described in which service provider networks cooperate to dynamically extend a virtual routing area of a home service provider network to the edge of a visited service provider network and thereby enable IP address continuity for a roaming wireless device. In one example, a home service provider network allocates an IP address to a wireless device and establishes a mobile VPN. The home service provider network dynamically provisions a visited service provider network with the mobile VPN, when the wireless device attaches to an access network served by the visited service provider network, to enable the wireless device to exchange network traffic with the visited service provider network using the IP address allocated by the home service provider network. |
| US09491679B2 |
Network handover optimization
The invention is directed to systems, methods and computer program products for managing handover of a terminal on a network. An exemplary method comprises: receiving sensor data associated with the terminal; receiving time data associated with the terminal; predicting a journey of the terminal based on at least one of the sensor data and the time data; generating a mobility map based on the predicted journey; and transmitting the mobility map to the network. |
| US09491677B2 |
Methods and apparatus for downlink macro-diversity in cellular networks
The invention described herein enables a form of downlink macro-diversity in packet-switched cellular networks. It allows packets to be selectively delivered from a network/internetwork to an end node, e.g., a wireless communication device or terminal, over a set of available link-layer connections to/from the end node, through one or more access nodes, e.g., base stations. Downlink macro-diversity is particularly important when the link-layer connections between the end node and the corresponding access node, e.g., the access links, are subject to independent or partially correlated time variations in signal strength and interference. In accordance with the invention, the end node dynamically selects the downlink to be used out of a set of available access links on a per packet basis subject to prevailing channel conditions, availability of air-link resources and other constraints. The invention improves the robustness and efficiency of communication, overall utilization of air-link resources, and quality of service experienced by the end node. |
| US09491674B2 |
Apparatus, system, and method for performing WiFi and cellular handover using device-specific values
An apparatus, system, and method for performing handover of a mobile station (MS) between a base station (BS) and an access point (AP) are described. In one embodiment, the MS may receive one or more threshold values for reporting measurements to the BS. The MS may convert the threshold values to device-specific threshold values. The MS may determine one or more network quality values associated with the AP. The MS may compare the network quality values to the device-specific threshold values. In response to the network quality values exceeding the device-specific threshold values, the MS may convert the network quality values to calibrated network quality values. The MS may provide the calibrated network quality values. The MS may perform handover from the BS to the AP based on providing the calibrated network quality values to the BS. |
| US09491672B2 |
Timer adaptation based on change of handover parameter
A timer parameter used for transitioning between radio protocol states is adapted based on a change of a handover parameter. For example, as a direct result of a change in a handover parameter such as time-to-trigger, offset, or hysteresis, an inactivity timer that is used for switching an access terminal from a connected state to an idle state may be adapted. As another example, as a direct result of a change in a handover parameter, a radio link failure (RLF) timer that is used for switching an access terminal to an RLF state may be adapted. |
| US09491671B2 |
Radio link failure reporting
A communication node determines that radio link failure occurred during connected state mobility of an access terminal and reports the radio link failure to another communication node. For example, a target access point may determine that radio link failure occurred during handover of an access terminal and send a radio link failure report message to the access point that was previously serving the access terminal or to some other node (e.g., a network node). In the first case, the serving access point may adjust mobility parameters based on this radio link failure information and, optionally, other reported radio link failure information. In the second case, the other node may send a radio link failure report message to the serving access point, or the other node may adjust mobility parameters based on this radio link failure information (and, optionally, other reported radio link failure information) and send the adjusted mobility parameters to the serving access point. |
| US09491670B2 |
User equipment, method for performing handover, base station, and radio communication system
A mobile station in a wireless communication network. The mobile station including a radio communication unit that communicates with a first base station via a plurality of component carriers, and a control unit that controls the radio communication unit to initiate a handover procedure to a second base station after receiving at least one handover command. |
| US09491669B1 |
Selective rate-adaptation in video telephony
A system and method for rate-adaptation of a video telephony (VT) session is disclosed. In one example, there is provided a method that includes receiving a first information set indicative of a start of a handover of a device from a first Radio Access Technology (RAT) to a second RAT. The method further includes receiving a second information set indicative of an end of the handover. The method further includes adjusting a rate-adaptation protocol for the VT session based at least in part on the first and second information sets. |
| US09491667B2 |
Method and device for handover to serving network
The present invention discloses a method and a device for handover to a serving network. The method includes: receiving a first Handover Request sent by a BSC/RNC; sending a second Handover Request to a target MME according to the first Handover Request, where the second Handover Request includes an IMSI and first information for determining a source SGSN so that the MME sends a Context Request message including the IMSI to the source SGSN and receives context information of a UE that corresponds to the IMSI and is sent by the source SGSN. Thereby avoiding a handover failure which is caused because the MSC server and the SGSN select different MMEs, and further synchronizing PS and CS handover processes, improving handover accuracy and efficiency, and enhancing user experience. |
| US09491666B2 |
Methods for handling PS and CS communication service
Methods for handling PS and CS voice services between a mobile communication device and a service network are provided. The method includes providing, by the service network, a first type of communication service to the mobile communication device and concurrently receiving, by the service network, a service request message to request for establishment of a second type of communication service, determining, by the service network, whether any type of communication service is an emergency service, and declining, by the service network, the type of communication service that is not the emergency service, wherein the service network only supports one type of communication service to the mobile communication device at one time. |
| US09491664B2 |
Base stations and nodes for use in a mobile communications network and methods of operating the same
There is provided a method of operating a first base station in a mobile communications network, the network comprising a mobile device, a second base station and a node that controls the first and second base stations, the mobile device having an active connection with the second base station, the mobile device not having an active connection with the first base station, the method comprising receiving a data transmission sent from the mobile device to the second base station; attempting to decode the data transmission; and in the event that the data transmission is successfully decoded, transmitting the decoded data to the node or the second base station. Methods of operating second base stations and nodes that control the operation of the first and second base stations are also provided. |
| US09491663B2 |
Wireless communication system, wireless base station, wireless terminal, and communication control method
A wireless terminal receives information about classes from a wireless base station which manages a class of a indicator used to determine a handover for the wireless terminal, transmits information about the indicator to the wireless base station when it is determined that the class of the indicator is changed to a different class on the basis of the received information about the classes, and does not transmit the information about the indicator to the wireless base station when it is determined that the class of the indicator is not changed on the basis of the received information about the classes. |
| US09491662B2 |
Method in a radio network node for controlling usage of rat and frequency bandwidth in a radio communication system
A radio network node, and a method therein, for controlling usage of RAT and frequency bandwidth in a radio communications system. The method includes allocating a first RAT to a first frequency bandwidth, and allocating a second RAT to a second frequency bandwidth. When a load on the first RAT is above a threshold, the method includes reallocating the first RAT to a third frequency bandwidth, and reallocating the second RAT to a fourth frequency bandwidth, wherein the third and fourth frequency bandwidths are a subset of the first and second frequency bandwidths. |
| US09491661B2 |
Cloud spectrum management system
This disclosure is directed to a cloud spectrum management system. In general, an example cloud spectrum management system may match requests from spectrum requestors seeking available radio spectrum with spectrum owners desiring to lease available radio spectrum to determine radio spectrum trade transactions. An example system may include a market communication module to communicate with a market place for trading a spectrum of radio frequencies for use in wireless communication, a core service s module to determine radio spectrum trade transactions based at least on the communications between the market communication module and the market, and a management utilities module configured to manage the radio spectrum trade transactions determined by the core services module. |
| US09491659B2 |
Method and apparatus for controlling network access in a wireless communication system
The present invention is directed to a wireless communication system. Specifically, the present invention is directed to a method of controlling network access and an apparatus therefore, wherein the method comprises: receiving a message related with access parameters, the message including a first N-bit field, a second N-bit field and a third 1-bit field, wherein the first N-bit field indicates a maximum number of slots the wireless device is to delay due to random back-off between consecutive access probes, the second N-bit field indicates a maximum number of slots the wireless device is to delay due to random back-off between successive enhanced access probe sequences, and the third 1-bit field for indicating a network congestion situation. |
| US09491658B2 |
Systems and methods for determining congestion in wireless networks
Systems and methods are disclosed for determining network congestion. A wireless communications device may identify available networks and assess a congestion parameter for each wireless channel associated with those networks. Assessing congestion on a given channel may include identifying all access points operating on the channel and monitoring traffic associated with each access point. By performing this assessment for each channel, the channel exhibiting minimum congestions may then be selected. |
| US09491655B2 |
Adaptive control of crowdsourcing data using mobile device generated parameters
Method and apparatus for controlling crowdsourcing data are disclosed. The method may include comparing a set of access points detected in an area of a wireless environment by the mobile device to a set of known access points for the area, determining a level of crowdsourcing based at least in part on the comparison, where the level of crowdsourcing controls a quantity of crowdsourcing data to be collected, uploaded, or a combination thereof by the mobile device, and performing crowdsourcing, at least in part, in accordance with the determined level of crowdsourcing, where the determined level of crowdsourcing affects a frequency of crowdsourcing operations to be performed by the mobile device, a type of quantization to be applied to crowdsourcing data collected, or some combination thereof. |
| US09491653B2 |
Radio measurements in Cell—FACH
It is provided an apparatus, including flag detecting means adapted to detect a received flag; state detecting means adapted to detect if the apparatus communicates in a forward access channel state; measuring means adapted to perform, if the apparatus communicates in the forward access channel state, a measurement only if the flag is detected, wherein the measurement is radio related. |
| US09491652B2 |
Method and apparatus for reporting a measurement in a wireless communication system
The present invention relates to a method for reporting a measurement by a terminal, comprising the steps of: measuring the magnitude of a signal from a first transmission point; and measuring the magnitude of a signal from a second transmission point. The measurements of the magnitudes of the signals from each transmission point are performed using a channel state information reference signal. |
| US09491645B2 |
Method and apparatus for wireless network data collection
A method on an electronic device for a wireless network is described. A first set of unique wireless access point IDs is collected. A second set of unique wireless access point IDs is collected. The first set and the second set are compared to determine intersecting wireless access point IDs and non-intersecting wireless access point IDs of the second set. If the number of intersecting wireless access point IDs meets an intersection threshold for the first set, the non-intersecting wireless access point IDs of the second set are added to the first set. A confidence level is updated for the unique wireless access point IDs of the first set that correspond to the intersecting wireless access point IDs. Geographic information is determined for the unique wireless access point IDs of the first set that meet a confidence threshold. |
| US09491639B2 |
Wireless network site survey systems and methods
Wireless network site survey systems and methods are described herein. One system includes a plurality of wireless nodes placed at a number of locations and a computing device configured to: receive communication metrics, wherein the communication metrics include metrics of communication between the plurality of wireless nodes and between the computing device and each of the plurality of wireless nodes, and generate a node coverage map based on the received communication metrics. |
| US09491638B2 |
Wireless access point array
A system of at least one wireless access device in a local area network (LAN) having a plurality of transceivers. Each transceiver has a directional antenna positioned in a substantially circular array to communicate signals with a plurality of stations in a corresponding sector. Each sector defines a portion of a coverage area surrounding the wireless access device. The wireless access device has a network interface to a data network, and an array controller to control communication of data between the stations and the transceivers, and between the transceivers and the network interface. The array controller is configured to modify channel assignments so as to minimize channel interference dynamically. |
| US09491635B2 |
Architecture for simultaneous spectrum usage by air-to-ground and terrestrial networks
A network for providing air-to-ground (ATG) wireless communication in various cells may include an in-flight aircraft including an antenna assembly, a plurality of ATG base stations, a plurality of terrestrial base stations. Each of the ATG base stations defines a corresponding radiation pattern, and the ATG base stations are spaced apart from each other to define at least partially overlapping coverage areas to communicate with the antenna assembly in an ATG communication layer defined between a first altitude and a second altitude. The terrestrial base stations are configured to communicate primarily in a ground communication layer below the first altitude. The terrestrial base stations and the ATG base stations are each configured to communicate using the same radio frequency (RF) spectrum in the ground communication layer and ATG communication layer, respectively. |
| US09491634B2 |
Signal buffering for licensed shared access (LSA) technology
Described herein are technologies related to an implementation of reducing a time cost of accessing a Licensed Shared Access (LSA) during a transmission opportunity in a transceiver circuitry of a portable device. |
| US09491632B2 |
Carrier sense adaptive transmission (CSAT) in unlicensed spectrum
Systems and methods for Carrier Sense Adaptive Transmission (CSAT) and related operations in unlicensed spectrum are disclosed to reduce interference between co-existing Radio Access Technologies (RATs). The parameters for a given CSAT communication scheme may be adapted dynamically based on received signals from a transceiver for a native RAT to be protected and an identification of how that RAT is utilizing a shared resource such as an unlicensed band. Other operations such as Discontinuous Reception (DRX) may be aligned with a CSAT Time Division Multiplexed (TDM) communication pattern by way of a DRX broadcast/multicast message. Different TDM communication patterns may be staggered in time across different frequencies. Channel selection for a co-existing RAT may also be configured to afford further protection to native RATs by preferring operation on secondary channels as opposed to primary channels. |
| US09491627B2 |
Recovering data in a storage medium of an electronic device that has been tampered with
To recover data, tampering of an electronic device that stores data in a storage medium of the electronic device is detected. A recovery procedure receives information relating to prioritizing of types of the data, and the recovery procedure detects a communication link. The recovery procedure sends the data over the communication link for transfer to a recovery destination, wherein the data is sent in an order according to the information relating to prioritizing of the types of the data. |
| US09491626B2 |
Enhanced data interface for contactless communications
Embodiments of the invention are directed at an enhanced data interface (EDI) for contactless communications between a mobile application operating on a mobile device and an access device (e.g., contactless reader) that allows for enhanced verification between the mobile device and access device. One embodiment of the invention is directed to a method. The method comprises a mobile device receiving a request for available applets from an access device and providing a list of available applets including trusted applet identifiers and untrusted applet identifiers to the access device. The method further comprises receiving a selection of an untrusted applet identifier from the list and an entity identifier associated with the access device, validating that the access device is authorized to access credentials associated with the selected untrusted applet identifier using the entity identifier, and providing the credentials associated with the selected untrusted applet identifier to the access device. |
| US09491623B2 |
System and method for cloning a Wi-Fi access point
Systems and methods for cloning a Wi-Fi access point. A determination is made by a network monitoring device to transition communications between a Wi-Fi device and a first access point (AP) to a second AP. The SSID and the security configuration information, and, optionally, network address translation (NAT) information of the first access point are acquired and provided to a second AP. The second AP instantiates the SSID and the security configuration information and, optionally, the NAT information. The networking monitoring device directs the first AP to cease using the SSID and the security configuration information and, optionally, the NAT information in response to receipt of confirmation that the second AP has instantiated the SSID and the security configuration information and, optionally, the NAT information of the first AP. |
| US09491616B2 |
Device location history anonymization based on stop detection
Embodiments described herein may help to protect users' privacy when storing and/or utilizing location data that is provided by the users' mobile devices. An example method may involve: (a) determining a location history associated with a first client device, wherein the location history comprises a plurality of time-stamped location reports associated with the first client device, (b) before the location history is exported: (i) identifying at least one stop in the location history, wherein the at least one stop corresponds to a plurality of location reports that indicate a substantial lack of movement by the first client device, and (ii) scrubbing the location history in order to obscure at least one location report that corresponds to the at least one stop, and (c) exporting the scrubbed location history to long-term data storage. |
| US09491615B2 |
Detection of collisions of radio coverage cell identifiers
Additional information is included in or used to generate a positioning reference signal to enable detection of a cell identifier “collision” between two different cells associated with two or more base stations. In one example embodiment, a user equipment terminal detects the collision using the additional information included in or used to generate positioning reference signals sent by two or more base stations and reports the collision to the network, and the network resolves the collision by assigning a different cell identifier to one of the colliding cells. |
| US09491613B2 |
Method and apparatus for steering of roaming
A system and method for implementing steering of roaming (SOR) services in wireless networks is disclosed. The SOR platform operates on messages transmitted by a home location register (HLR), intercepting them and denying use of a visited network unless it is the preferred visited network of a home network. |
| US09491611B2 |
Method and device for receiving system information
The embodiments of the present document provide a method and apparatus for receiving system information. The method includes: a UE receiving system information and/or system information updating indication of a serving cell and/or a neighboring cell according to system configuration, including: receiving the system information and/or the system information updating indication of the serving cell and/or the neighboring cell from other locations except a fixed location configured by the system. By using the method and the apparatus provided by the embodiments of the present document, the user terminal can receive the system information from other locations except the fixed location configured by the system, thereby solving the problem in the related art that the user terminal cannot obtain the system information due to interference in the system information at the fixed location. |
| US09491610B2 |
Method and apparatus for intra-network roaming for IP telephony network
A method of operating an internet-based telephony system (20) comprises determining that a telephony device (30) associated with a customer has access to service to the internet-based telephony system (20); and sending a location update signal to a public land mobile network (32) associated with the customer. The location update signal is configured to include an identification of the internet-based telephony system (20) as a network visited by the telephony device (30) associated with the customer. Upon the internet-based telephony system (20) receiving from the public land mobile network (32) an indication of an incoming communication directed to a called number associated with an account of the customer which includes the telephony device (30), the method further includes the internet-based telephony system (20) providing the public land mobile network (32) with a roaming number for the telephony device, and upon receiving the incoming communication and the roaming number from the public land mobile network (32), routing the communication through the Internet to a device included in the customer's account. |
| US09491608B2 |
Wireless communication device, wireless communication system, wireless communication method and program
Provided is a wireless communication device which includes a function information transmitting unit for transmitting, via a wireless communication network, function information relating to a function of the wireless communication device, a function information receiving unit for receiving function information transmitted from another device, a function information comparison unit for comparing the function information of the wireless communication device and the function information received from such other device, and a function determination unit for determining which of the wireless communication device and such other device is to play a function of an access point, based on a result of the comparison by the function information comparison unit. |
| US09491606B2 |
Device and method for controlling charging in a mobile communication system
The present invention relates to a method and terminal in a mobile communication system. The method includes transmitting a first sponsor service request to a first server, receiving a sponsor coupon and information corresponding to a second server from the first server in response to the first sponsor service request, transmitting the received sponsor coupon to an entity in a network, receiving a sponsor coupon validation result, which is used to charge a service provider for a sponsor service, from the entity, and transmitting a second sponsor service request to the second server. |
| US09491605B2 |
Text messaging for emergency response
Systems and methods are provided to guide an emergency dispatcher in responding to emergency communications. The systems and methods may allow the dispatcher to use one or more of a plurality of different communication methods to communicate with a person needing assistance, such as by sending and receiving SMS/MMS messages. The systems and methods can include an emergency police, emergency fire, and/or emergency medical dispatch protocol configured to facilitate rapid, uniform, and consistent handling of communications. The emergency dispatch protocol presents a pre-scripted interrogation, including preprogrammed inquiries for a dispatcher to ask the person needing assistance. The emergency dispatcher may be able to easily send preprogrammed inquiries to the person needing assistance via SMS/MMS message and provide their responses to the emergency dispatch protocol quickly and/or automatically. The dispatch protocol may facilitate quick deployment of responders even if the person needing assistance cannot talk and/or hear. |
| US09491601B2 |
Dynamic visual profiles
Systems and methods may provide for identifying one or more phrases in a conversation between a first user and a second user. In addition, a first visual profile may be generated based on the one or more phrases and a real-time recommendation may be generated based on the first visual profile. In one example, generating the first visual profile includes using the one or more phrases to obtain one or more images and incorporating the one or more images into the first visual profile. |
| US09491599B2 |
Systems and methods for providing wireless account feature notifications to mobile communication devices
Systems and methods for providing wireless account calling feature indications to a device are described. Feature indications are provided to inform a user of the device that an incoming call or outgoing call is eligible for an account calling feature based on whether the conditions for the calling feature to apply are currently met. The feature indications are provided to a display of the device and/or to a speaker of the device. |
| US09491598B2 |
Methods and apparatus for communicating messages between mobile communications devices and internet enabled devices
Methods and apparatus for allowing a mobile device user to forward one or more messages which are received on the user's mobile device, to a television or a set top box are described. The user is able to view the forwarded messages on the television and can also reply to such received messages from the television. The methods and apparatus may be implemented using a message forwarding application installed on a user's cell phone and a server responsible for forwarding messages and replies between the user's Internet capable TV or set top box and mobile telephone. To the party sending a message, replies appear to have originated from the user's cell phone making the use of the service transparent to individuals other than the user to which the message is sent. Message received and sent logs are maintained in the user's phone so the message record is complete. |
| US09491596B2 |
Prioritized push-to-talk session using quality of service (QoS) over an internet protocol multimedia subsystem (IMS)
A device establishes a quality of service (QoS) framework with a network connected to the device. The device includes a push-to-talk (PTT) application, and the QoS framework assigns priorities to different types of traffic associated with the device. The device utilizes the PTT application to establish a PTT session with another device via the network, and prioritizes, based on the QoS framework, PTT traffic, provided in the PTT session, over best effort traffic during the PTT session with the other device. |
| US09491593B2 |
Method and apparatus for cooperative channel switching
An apparatus and methods are provided for opportunistically conducting data communications on multiple wireless channels. In these methods, a device is engaged in data communications with a second device and receives a conflicting communication demand requiring action on one or more channels other than the data-communication channel (e.g., to conduct a channel scan, to issue or receive a beacon). The device arranges a schedule of channel switches to satisfy the communication demand and advises the second device of the schedule, and may explicitly invite the second device to implement the schedule. To the extent the second device does so, the data communications continue on the other channels. The devices may be participating in a synchronized peer-to-peer communication environment that requires their attendance on the data-communication channel and that is not associated with the other channels. |
| US09491590B2 |
Group communications over evolved multimedia broadcast/multicast services
The disclosure relates to group communications over multimedia broadcast-multicast services (MBMS). An embodiment of the disclosure establishes a first multicast flow and assigns a second multicast flow, wherein the second multicast flow contains signaling and media for at least one group call, and wherein the first multicast flow is configured to send information regarding activity on the second multicast flow. An embodiment of the disclosure monitors a first multicast flow for an announce message regarding a first group call, and upon receipt of the announce message, switches to a second multicast flow that contains signaling and media for the first group call. |
| US09491584B1 |
Hospitality venue navigation, guide, and local based services applications utilizing RF beacons
A series of RF beacons deployed about a localized area associated with a hospitality venue creating an infrastructure for use with mapping, navigation, marketing of merchants, and local based services (LBS) in the vicinity thereof. An application would utilize the RF beacons to determine a user's location respective to a local area and inform the user of their location on an associated map. The application can employ the RF beacons for navigation through the local area. The application can utilize a beacon identifier that would be embedded within the beacon signal. The beacon identifier can be utilized to determine a user's location, provide navigation, obtain marketing information for merchants associated with the specific beacon, etc. Receipt of the beacon signal could initiate a feature on the receiving device to activate a process for obtaining information associated with the area located proximate the respective beacon. |
| US09491583B2 |
Methods, apparatuses, and devices for positioning mobile devices using measured receiver gain
Methods, apparatuses, and devices are disclosed that may be used to estimate a location of a mobile device using, for example, one more receiver gains that may bring about adjustment of received signal strength indications of a radio heatmap. Such adjustment may allow a mobile device to accurately estimate a present location of a mobile device using, for example, a radio heatmap. |
| US09491579B2 |
Apparatus, method, and computer-readable recording medium for distributing position data
A distribution apparatus for distributing a wireless signal to a communication terminal includes a distribution unit configured to distribute the wireless signal containing unique data that is unique to the distribution apparatus. A position data indicating a position of the distribution apparatus and a predetermined threshold value pertaining to a signal strength of the wireless signal received by the communication terminal are identifiable based on the unique data. |
| US09491577B1 |
Registrar mapping toolkit for Geofences
Systems and methods for creating a database of geofences and registering geofences, with each geofence in the database being associated with an IP address, preferably an IPV6 address. Each geofence is defined using at least one geographic designator, preferably real property boundaries. Entitlements can be associated with geofences relating to permissive and prohibitive activities within the geofences. |
| US09491574B2 |
User path determining system and method therefor
A system for determining a user's path is described. The system comprises a location server arranged to receive location data of a communication device associated with the user, the location data defining the detected position of the communication device at a number of different points in time, the location server further arranged to receive sequence data associated with the location data indicative of the order in which the location data was determined; path determining means for determining the user's path passing through points defined by the received location data and the associated sequence data; and a comparator for comparing the determined path of the user with one or more predetermined user paths; wherein the location server processes the received location data depending upon the result of the comparison and corrects the determined user path with the processed location data. |
| US09491572B2 |
Method and apparatus for message processing to locate network devices
In one aspect, a communication system comprising a message processing computer and a plurality of communication networks, respectively provided with an interface computer that is respectively coupled to the message processing computer in order to reproduce a data flow between the respective interface computer and the message processing computer is provided. In another aspect, a device in which at least one electronic file is requested, the device determines a request message on the communication appliance side, forms at least one communication network request message, and sends the communication network request message to the interface computer(s) in the communication network in question is provided. |
| US09491571B2 |
Methods and apparatus for using smart environment devices via application program interfaces
Systems and Methods disclosed herein relate to providing a message to an application programming interface (API). The message includes a request for data from a data model, a submission of data to the data model, or both; and a host selection between: a representational state transfer (REST) host and a subscription-based application programming interface (API) host, wherein the REST host receives REST-based messages and the subscription-based API host receives messages in accordance with a standard of the subscription-based API host; wherein the request for data, the submission of data, or both are configured to create, delete, modify, or any combination thereof data related to a smart-device environment structure, a thermostat, a hazard detector, or any combination thereof stored in a data model accessible by the API. |
| US09491568B2 |
System and method for mobile terminal interactions
The present disclosure provides an interaction method and interaction system for mobile terminals. The method includes acquiring a sensor signal from a mobile terminal, and transmitting a life emotion signal corresponding to the current sensor signal if an amplitude of the current sensor signal exceeds a set threshold. Embodiments of the present disclosure improve interactivity of the mobile terminals with users and provide timely feedback to users. |
| US09491564B1 |
Mobile device and method with secure network messaging for authorized components
A mobile device has an inter-process software communication (IPC) bus that provides secure communication between a device link agent and software component processes. The software processes are allowed to access the bus based on access authorization information from a secure server that identifies those components. The device link object maintains a secure message link to a message link server that receives messages from plural network functions, identified for delivery to respective software components on the mobile device, and conveys them to the device link agent. For the authorized software components, the link agent delivers received messages to the component processes. |
| US09491563B1 |
Pre-provisioning mobile application acquisition and utilization
A method of provisioning a wireless device for use with a wireless carrier network includes receiving an initial provisioning request that includes an identifier associated with the wireless device which is not yet authorized for use on the wireless carrier network beyond provisioning of the wireless device. A determination is made that the wireless device is data-ready. Data-ready wireless devices may be configured to download and execute mobile applications. The wireless device is provided with access to a download for a mobile application configured to provision the wireless device over the wireless carrier network when installed and executed by the wireless device. Registration information is received from the mobile application being executed by the wireless device via the wireless carrier network. The registration information is provided to a provider of the wireless carrier network for provisioning the wireless device on the wireless carrier network. |
| US09491560B2 |
System and method for improving headphone spatial impression
A headphone system includes a headphone, a sensor, and a processor. The headphone may provide sound from virtual speakers to a listener via a plurality of sound paths that are filtered with a plurality of filters. The sensor may sense an angular velocity of a movement of the listener. The processor may receive the angular velocity and may calculate delays in the plurality of sound paths and filter coefficients for the plurality of filters based on the angular velocity, and insert the calculated delays in the plurality of sound paths and adjust the plurality of filters with the calculated filter coefficients. |
| US09491551B2 |
Network for bone conduction transducers
An electrical network for driving electromagnetic bone conduction vibrator/transducer of variable reluctance type which is applied between the vibrator terminals and the power amplifier terminals so that the vibrator mechanical output is maximized in the mid and high frequencies. |
| US09491549B2 |
Equalizer apparatus
It is an object of the present invention to provide an audio having intended sound quality to a user even when a headphone that is different from a headphone used for generating equalizer information is used.A correcting section corrects equalizer curve stored in an equalizer curve storage section based on a correction curve that is a gain difference of a frequency characteristic between a first headphone and a second headphone when the second headphone the frequency characteristic of which is different from that of the first headphone is used so as to output the corrected equalizer curve to a reproducing section. The reproducing section executes an equalizing process based on the equalizer curve output from the correcting section. |
| US09491548B2 |
Parametric system for generating a sound halo, and methods of use thereof
A parametric system for generating audible sound, comprising a transducer array configured to emit modulated ultrasonic waves in a converging wave pattern toward a focal volume, where the modulated ultrasonic waves are configured to demodulate to generate audible sound waves in the focal volume, and where the generated audible sound waves emanate from the focal volume with a diverging wave pattern. |
| US09491547B2 |
Audio playing system and audio playing method
An audio playing method is applied to at least one wireless speaker, at least one mobile terminal, and a cloud server. The method includes sending a wireless signal within a coverage area of the wireless speaker, the wireless signal being detected by the speaker when the speaker is in proximity to the mobile terminal. The first identification information of the wireless speaker and second identification information of the mobile terminal are obtained, and control signals indicating the first and the second identification information is transmitted to the cloud server. Audio files corresponding to the second identification information are decoded into an audio stream and the audio stream is transmitted to the one or more wireless speakers which correspond to the first identification information included in the control signal. |
| US09491543B1 |
Method and device for improving audio signal quality in a voice communication system
A device and a method to improve quality of a signal in a lossy communication system are disclosed. One or more samples of the signal are received from a first and second microphone transducers. The received samples are processed and filtered to obtain a processed signal. A voice activity detector is provided for iteratively identifying speech regions and non-speech regions of the signal. All samples received by the microphones are continuously monitored and quality of each sample is improved by reducing or eliminating the noise detected in the non-speech regions of the processed signal. |
| US09491542B2 |
Automatic sound pass-through method and system for earphones
Earphone systems and methods for automatically directing ambient sound to an earphone device are provided. An ambient microphone signal from an ambient microphone proximate a sound isolating earphone or headset device is directed to a receiver within an earphone device according to mixing circuitry. The mixing circuitry is controlled by voice activity of the earphone device wearer. This enables hands-free operation of an earphone system to allow the earphone device wearer to maintain situation awareness with the surrounding environment. During detected voice activity, incoming audio content is attenuated while ambient sound is increased and provided to the earphone device. User voice activity is detected by analysis of at least one of an ear canal microphone signal or an ambient sound microphone signal. |
| US09491538B2 |
Adaptive gain control for digital audio samples in a media stream
An adaptive gain control system and related operating method for digital audio samples is provided. The method is suitable for use with a digital media encoding system that transmits encoded media streams to a remotely-located presentation device such as a media player. The method begins by initializing the processing of a media stream. Then, the method adjusts the gain of a first set of digital audio samples in the media stream using a fast gain adaptation scheme, resulting in a first group of gain-adjusted digital audio samples having normalized volume during presentation. The method continues by adjusting the gain of a second set of digital audio samples in the media stream using a steady state gain adaptation scheme that is different than the fast gain adaptation scheme, resulting in a second group of gain-adjusted digital audio samples having normalized volume during presentation. |
| US09491537B2 |
Noise reducing sound reproduction system
A noise reducing sound reproduction system and method may be operable with an input signal supplied to a loudspeaker by which it is acoustically radiated. The signal radiated by the loudspeaker may be received by a microphone that is acoustically coupled to the loudspeaker via a secondary path and that provides a microphone output signal. From the microphone output signal a useful-signal can be subtracted to generate a filter input signal. The filter input signal is filtered in an active noise reduction filter to generate an error signal, and the useful-signal is subtracted from the error signal to generate the loudspeaker input signal. In addition, the useful-signal is filtered by one or more spectrum shaping filters prior to subtraction from the microphone output signal or the loudspeaker input signal or both. |
| US09491530B2 |
Sound processors having contamination resistant control panels and implantable cochlear stimulation systems including the same
Sound processors and systems including sound processors are disclosed. |
| US09491529B2 |
Built-in audio apparatus
A built-in audio apparatus includes a speaker unit, a mode setting unit configured to selectively set the speaker unit to one of a first position and a second position, and a controller configured to control the speaker unit depending on the setting of one of the first position and the second position. The mode setting unit is configured to be disposed in a surface of a structure, and includes an opening for emitting sound outputted from the speaker unit. |
| US09491525B2 |
Interactive media display across devices
A computer-implemented method includes identifying a computer-based portable program module, automatically altering code in the portable program module to permit display of the module on a television-based display so that the displayed module has a substantially similar appearance on the television-based display as on a computer display, and providing the altered code for execution on a processor connected to a television-based display. |
| US09491524B2 |
Leap second support in content timestamps
In embodiments, apparatuses, methods and storage media are described that are associated with support for leap seconds for provision of media content. In embodiments, a leap second is identified for a time during which media content may be timestamped. In embodiments, timestamps may be generated so that no segment of the media content contains a repeated timestamps and the media content is provisioned. In embodiments, content may be provisioned using a non-repeating time standard, such as TAI, and segments of media content maybe defined to have different lengths. In other embodiments, different time standards may be used, but seconds may be repeated across segment boundaries. Other embodiments may be described and/or claimed. |
| US09491523B2 |
Method for effectively implementing a multi-room television system
A method for effectively implementing a multi-room television system includes a digital base station that processes and combines various program sources to produce a processed stream. A communications processor then responsively transmits the processed stream as a local composite output stream to various wired and wireless display devices for flexible viewing at variable remote locations. The transmission path performance is used to determine the video encoding process, and special attention is taken to assure that all users have low-latency interactive capabilities. |
| US09491515B2 |
Program recording method, program recording device, destination setting method, and destination setting device
A destination setting unit (901) receives setting of a destination by the user when a route from a present position to the destination is guided. A user specifying unit (902) judges whether the user who sets the destination is the user who performs program recording reservation. When the user is judged to be the user who performs program recording reservation, a keyword extracting unit (903) extracts a keyword for use in performing program recording reservation based on the destination. A keyword display unit (904) presents the user with the extracted keyword. A keyword selecting unit (905) receives selection, by the user, of the presented keyword. A program selecting unit (906) selects a program associated with the keyword. A program reservation unit (907) reserves recording of the selected program. |
| US09491508B2 |
Methods and apparatus to detect carrying of a portable audience measurement device
Methods and apparatus to detect carrying of a portable audience measurement device are disclosed herein. An example portable audience measurement device including a housing; a media detector in the housing to collect media exposure data; a hinge having an arm to rotate in response to an applied, the arm to secure the housing to an object associated with a person; a rotation sensor to detect a magnitude of rotation of the arm relative to the housing; and a detector to compare the magnitude of rotation of the arm to a threshold angle to determine whether the device is being carried by the person. |
| US09491506B2 |
System and method for delivering interactive trigger events
Aspects of the subject disclosure may include, for example, a method in which a media processor identifies a first key and a second key associated with media content received over a network, and prepares a display object according to the first key that includes a selectable object. The media processor transmits a request to a remote server including the second key; the server returns first additional content and control code associated with the second key. The media processor merges the first additional content with the display object to produce an overlay for presentation with the media content in accordance with the control code. The overlay is associated with a provider of the first additional content; the first key is independent of the provider, and the second key corresponds to the provider. Other embodiments are disclosed. |
| US09491504B1 |
Wireless set-top box pairing and quality of service user interface
A method and system for monitoring the quality of the content is provided. The method and system may identify, in real time, whether the quality of the content has fallen below a predetermined threshold. Once the quality of the content has fallen below a predetermined threshold, the system may identify other delivery mechanisms (e.g., connectivity options and/or other sources) to deliver the content at a lower constant bitrate. Subsequently, the system may check for higher quality content and provide the user with options to switch to the other source. Accordingly, the method and system identifies the available video quality options for a specific content item, which may be provided by a plurality of different content sources, and provides the user with the ability to switch to another content source with minimal user input. |
| US09491502B2 |
Methods and systems for application rendering and management on internet television enabled displays
Methods and systems are provided for enabling presentation of supplemental application content to display devices while particular content is rendered on the display device. One example method includes receiving a request, at a server, to register a display device. The display device has hardware for communication over the Internet with the server that is further configured to provide applications for rendering on the display device. The display device further includes hardware for communication with a broadcast television provider that provides broadcast content to the display device. The method also includes registering the display device with the server. The registering includes receiving attributes of the display device. Also included is receiving information, at the server, regarding content rendered on the display device, and sending to the display device application data for at least one of the applications of the display device. The application data is correlated the content rendered on the display device. |
| US09491501B2 |
Mobile terminal, television broadcast receiver, and device linkage method
A mobile terminal capable of giving an instruction for a device linkage by simple operations, without any special hardware. The mobile terminal which is connected to a TV through a communication path includes: a communication I/F unit for communicating with the TV, a storage unit which stores content to be displayed on the TV; a display unit having a touch pad and a display screen; and a control unit which displays, on the display screen, a content icon associated with the content. When detecting that the content icon is pressed and held and then is flicked on the display unit, the control unit reads the content from the storage unit and transmit it to the TV through the communication I/F unit, so that the content is displayed on the TV. |
| US09491499B2 |
Dynamic stitching module and protocol for personalized and targeted content streaming
A system for dynamically rendering streaming content is provided. It includes a protocol and a dynamic stitching module to provide a personalized and targeted delivery of play list items responsive to a request made by a player. The protocol inquires the player for user profile information and includes it as part of a request to an adproxy. The inquiry requests the adproxy for recommended content based on the user profile information. The dynamic stitching module, in response to the recommended content from the adproxy then creates a manifest that is specific to the player for rendering a personalized content on the player. The manifest indicates a streaming preference for content fulfillment based on the recommended content via a redirect method or a proxy method. Other embodiments are disclosed. |
| US09491498B2 |
Methods and apparatus for format selection for network optimization
Method and apparatus for optimizing network bandwidth utilization by delivering to users only the minimum number of programs required by service provider policies. In one embodiment, the method comprises switching some users from lower quality versions of programs to higher quality versions of the same programs, and removing those lower quality versions of programs from a given service group. In another embodiment, some users are switched from higher quality versions of programs to lower quality versions of those same programs, and the higher quality versions of programs removed from a given service group. |
| US09491491B2 |
Run-mode based coefficient coding for video coding
A video coding device is configured to code coefficients of residual blocks of video data. When a coefficient of a transform unit of video data has a scan order value that is less than a threshold and when the coefficient is the last significant coefficient in a scan order in the transform unit, the video coding device may execute a function to determine a mapping between data for the coefficient and a codeword index value, and code the data for the coefficient using a codeword associated with the codeword index value. The video coding device may comprise a video encoder or a video decoder, in some examples. |
| US09491489B2 |
Method of applying edge offset
An apparatus of post-processing a reconstructed image is discussed. The apparatus according to an embodiment includes a deblocking filter for determining a boundary strength for each 4-sample edge which is a prediction edge or a transform edge and lies on 8×8 sample grid, determining whether deblocking filtering is applied on the 4-sample edge or not using the boundary strength and a boundary quantization parameter, and filtering the 4-sample edge if the deblocking filtering is applied on the 4-sample edge; and a sample adaptive offset adder for, if a sample adaptive offset type indicates an edge offset, generating an edge index of a current sample, generating an edge offset corresponding to the edge index to the current sample, and adding the edge offset to the current sample. |
| US09491476B2 |
Method and apparatus for deciding a video prediction mode
A method and an apparatus for deciding a video prediction mode are provided. The method includes providing n prediction modes, where n is a positive integer, selecting first prediction modes among the n prediction modes using a first cost function, and selecting a final prediction mode among the first prediction modes using a second cost function different from the first cost function. The first cost function includes a sum of absolute transformed difference (SATD) operation, and the second cost function includes a sum of squared difference (SSD) operation. |
| US09491474B2 |
Video coding and decoding methods and video coding and decoding devices using adaptive loop filtering
A method of decoding video, the method including receiving and parsing a bitstream which includes encoded video; extracting encoded image data relating to a current picture, which image data is assigned to at least one maximum coding unit, information relating to a coded depth and an encoding mode for each of the at least one maximum coding unit, and filter coefficient information for performing loop filtering on the current picture, from the bitstream; decoding the encoded image data in units of the at least one maximum coding unit, based on the information relating to the coded depth and the encoding mode for each of the at least one maximum coding unit; and performing deblocking on the decoded image data relating to the current picture, and performing loop filtering on the deblocked data, based on continuous one-dimensional (1D) filtering. |
| US09491473B2 |
Motion compensated de-interlacing and noise reduction
A video processing system for de-interlacing a video signal comprises a motion estimation block, a refinement motion estimation block, and a de-interlacer. The motion estimation block generates integer motion vectors for the video signal. The refinement motion estimation block generates fractional motion vectors as a function of the generated integer motion vectors and select frames of the video signal. The de-interlacer generates an output as a function of the generated fractional motion vectors and the selected frames of the video signal. |
| US09491472B2 |
Guided image upsampling using bitmap tracing
A method of increasing resolution of an image includes generating vector contours associated with a first image and scaling the vector contours to a second resolution. The first image has a first resolution, and the second resolution is greater than the first resolution. The vector contours are rendered to generate a guiding image at the second resolution, and a second image is generated from the first image based on the guiding image, by using joint upsampling. The second image is generated at the second resolution. The vector contours can be generated by bitmap tracing binary images at different quantization levels. An apparatus and computer readable device implementing the method of increasing the resolution of an image are also provided. |
| US09491471B2 |
Context initialization based on decoder picture buffer
Technique for initialization of encoders and decoders. In some cases, the decoder receives a slice and identifies if the slice is either a forward predicted B-slice or a backward predicted B-slice, and not both a forward and backward predicted B-slice, and based upon this identification initializes, using a P-slice technique, a context associated with the slice. |
| US09491469B2 |
Coding of last significant transform coefficient
A video encoder determines that the last significant coefficient (LSC) of a transform coefficient block occurs at a given ordinal position according to a coding scanning order. The video encoder generates a coordinate indicator that specifies the coordinates of a given transform coefficient in the transform coefficient block. The given transform coefficient occurs at the same ordinal position according to an assumed scanning order. A video decoder receives the coordinate indicator and converts the coordinate indicator into a scan-based LSC indicator. The scan-based LSC indicator indicates the ordinal position of the LSC. |
| US09491458B2 |
Scalable video coding prediction with non-causal information
Prediction information for a current block in an enhancement layer may be determined based at least in part on base layer information obtained by coding a base block in a base layer beneath the enhancement layer. This base block may occur in a position in the base layer such that it is co-located with a non-causal block in the enhancement layer (e.g., a block that occurs after the current block in the coding order of the enhancement layer). The prediction information determined for the current block may be used to code the current block (e.g., encoding or decoding the current block). |
| US09491452B2 |
Camera calibration
Techniques for image calibration are described herein. The techniques may include detecting features on a set of images, describing features on the set of images, determining a match between features of the image sets, determining a shift on the matched features based on camera positions associated with the matched features, determining a first homography between the camera positions and the determined shift, and determining a second homography based on a re-projection of three-dimensional features back to the cameras. |
| US09491450B2 |
Vehicle camera alignment system
A vision system for a vehicle includes at least one imaging sensor disposed at the vehicle and having an exterior field of view. The imaging sensor is operable to capture image data. The imaging sensor includes or is associated with an inclination sensor. At least one other inclination sensor is disposed at the vehicle. A processing system is operable to process outputs of the inclination sensors to determine an alignment or misalignment of the at least one imaging sensor at the vehicle. |
| US09491445B2 |
Lenticular directional display
Technologies are generally described herein for lenticular directional displays having an image source layer and a directional layer. A control system can be configured to execute various methods for obtaining first content and second content, the first content being associated with a first viewpoint and the second content being associated with a second viewpoint. The control system can also display the first content and the second content at the image source layer adjacent to the directional layer such that the first content is visible at the first viewpoint and the second content is visible at the second viewpoint. The control system can determine that the first viewpoint or the second viewpoint has changed relative to the display, and modify at least one of the first content or the second content in response to determining that the first viewpoint or the second viewpoint has changed. |
| US09491443B2 |
Image processing method and image processing apparatus
An image display method and an image display apparatus to solve the three-dimensional cueing confliction problem of the maximum intensity projection in the stereoscopic display method, while enabling users to select and render with emphasis the maximum intensity projection of the objects of interest, so that to realize the stereoscopic display. A three-dimensional surface which has equal distance to a sight-point is utilized as a reference surface, and the distances from all of the local maximum intensity points to this reference surface are calculated, then a weighting factor of each local maximum intensity point is calculated according to the distances and predetermined weighting function. After, the values of local maximum intensity points are adjusted according to the obtained weighting factors, and finally, the maximum intensity projection value is produced by synthesizing all of the adjusted values of the local maximum intensity points. |
| US09491439B2 |
Three-dimensional image capture device, lens control device and program
A 3D image capture device includes: a first image capturing section including a first optical system and a first image sensor that outputs a first signal to generate a first image; a second image capturing section including a second optical system that has parallax with respect to the first optical system and a second image sensor that outputs a second signal to generate a second image that has parallax with respect to the first image; a point of convergence adjusting section configured to adjust the position of the point of convergence; a working range setting section configured to set working ranges for the image stabilization working according to the position of the point of convergence; and an image stabilizing section configured to cancel the camera shake within the set working ranges. |
| US09491434B2 |
Method for processing three dimensional (3D) video signal and digital broadcast receiver for performing the method
A method for processing a 3D video signal and a digital broadcast receiver for performing the processing method are disclosed. A method for receiving a 3D broadcast signal includes receiving signaling information of at least one stream for a 3 Dimension TeleVision (3DTV) service and a two dimensional (2D) video stream, demultiplexing at least one stream for the 3DTV service and the 2D video stream based on the signaling information, decoding at least one demultiplexed stream for the 3DTV service and the demultiplexed 2D video stream, and outputting a 3D video signal by formatting at least one decoded stream for the 3DTV service and the decoded 2D video stream. |
| US09491433B2 |
Moving image distribution server, moving image playback apparatus, control method, and recording medium
A moving image distribution server sets an evaluation pixel for each of blocks that it divided a first screen into, and specifies a screen coordinate and a depth value, in a second screen acquired before the first screen, for a rendering object rendered on the evaluation pixel. It compares a depth value of the screen coordinate and a depth value of the rendering object rendered on the evaluation pixel, and determines that inter-frame coding will be performed with the second screen for a block for which the 2 depth values are considered to be the same. It transmits, to a external device, coding details information including the viewpoint information of the first screen, a depth buffer of the first screen, and information indicating whether or not blocks of the first screen are to be inter-frame coded. |
| US09491428B2 |
Color balancing based on reference points
Embodiments provide techniques for adjusting coloration of an image. A visual scene is captured using one or more camera devices, where the visual scene includes a reference object. Embodiments retrieve coloration information corresponding to the reference object. The coloration information generally describes coloration of the reference object under predefined conditions, such as neutral lighting conditions, desired lighting conditions, and so on. Additionally, a coloration difference is calculated between a depiction of the reference object within the captured visual scene and the retrieved coloration information. The coloration of the visual scene is adjusted based on the determined coloration difference. |
| US09491427B2 |
Method and apparatus for recording video image in a portable terminal having dual camera
A method for recording video is provided that includes outputting a first video stream captured by a first camera of portable terminal; entering into a comment recording mode while the first video stream is being captured; while in the comment recording mode: outputting the first video stream concurrently with a second video stream that is captured by a second video camera of the portable terminal, and generating sync data for a future synchronization of the first video stream with the second video stream; and exiting the comment recording mode and storing the generated sync data in a memory. |
| US09491426B2 |
Scanning projection system
A scanning projection system includes a scanning mirror module, a controlling circuit, and a laser module. A swinging motion of the scanning mirror module is controlled according to a driving signal, and a combined laser beam reflected by the scanning mirror module is swept across a projection surface to produce plural projection points on a projection surface. The controlling circuit includes a weight mapping unit for converting an image signal into a compensated image signal according to a position-and-weight mapping relationship. The laser module generates the combined laser beam according to the compensated image signal. After plural weights of the corresponding projection points are acquired according to positions of the corresponding projection points and the position-and-weight mapping relationship, the weight mapping unit multiplies the image signal by the corresponding weights according to the positions of the projection points. Consequently, the compensated image signal is generated. |
| US09491424B2 |
System and method using silicon cooler for mobile projector
A system and its design variations using heat pump to generate useful warm and cool usages for multi functional mobile projector is exposed; the purpose is two folds: first is to reduce the excessive heat, in order to increase the brightness; the second is to reuse the energy, so to extend the functionalities. The key component used is silicon based heat pump, which can convert the electrical energy to heat energy. Different shaped heat or cool fins are designed to match the multiple use cases. One sample implementation using digital serial interface is described in details. |
| US09491417B2 |
Method for providing a representation in a motor vehicle depending on a viewing direction of a vehicle operator
The physiological characteristics of the eye are particularly well taken into account in a motor vehicle by selecting a representation at a representation site from at least two types of representations depending on whether the respective representation site is located in a central field of view of the vehicle operator or is located in a peripheral field of view of the vehicle operator. Preferably, intensive colors and strong color contrasts are selected in the central field of view of the vehicle operator, whereas representations that change over time are selected in the peripheral field of view. |
| US09491416B2 |
Server apparatus and method of transmitting video data
When a camera server receives an instruction involving invalidation of viewing limitation (masking processing) of video from a privileged client, the camera server limits viewing of video data with respect to a general client and a recording client. The camera server stores the video data of a limited period in a secondary storage device. When the camera server receives an instruction involving validation of the viewing limitation from the privileged client, the camera server transmits the stored video data of the limiting period to the recording client. |
| US09491415B2 |
Methods, systems and devices for spinal surgery position optimization
Three components are proposed, each having at its core a system for producing measurements of the relative motion of anatomical structures of mammals (the “measurement system”). The measurement system in this case would be comprised of an apparatus for imaging the joint of through a prescribed motion, and a process and mechanism for deriving quantitative measurement output data from the resulting images. The components of the present invention include: (1) a software device for reporting measurement output of the measurement system and for allowing users to interact with the measurement output data; (2) an apparatus and method for utilizing measurement output of the measurement system for therapeutic and surgical applications such as surgical navigation and patient positioning during a therapeutic procedure; and (3) an apparatus providing input image data for the measurement system that assists with the imaging of joints connecting anatomical regions that are in motion during operation. |
| US09491412B2 |
Method and system for determining quality of tubes
Disclosed herein is a system having a first housing that includes an optically transparent substrate having a first side and a second side that is opposed to the first side, a camera disposed on the first side of the optically transparent substrate and a source of illumination. The source of illumination is disposed in a ring on the periphery of the first housing and located on the first side of the optically transparent substrate. The system further has a second housing having a circuit board that is operative to process the image captured by the camera, and a battery pack that is operative to supply electrical energy to the source of illumination and to power the circuit board. |
| US09491410B2 |
Apparatus and method for information processing and program
An information processing apparatus includes an acquisition unit configured to acquire restriction information about imaging functions from an imaging device connected to a network, a setting control unit configured to display a setting window in which after a parameter for one imaging function is selected, selectable parameters for other imaging functions are restricted in accordance with the selected parameter on the basis of the restriction information so that the imaging functions to be used are selected, and an information processing unit configured to acquire image information about an image captured using the selected imaging functions via the network. |
| US09491408B2 |
Technique for distributing content via different bearer types
A technique for controlling the distribution of content via broadcast bearers and non-broadcast bearers is described. A method embodiment of this technique includes the steps of providing a plurality of content channels, each content channel being associated with at least one of a first bearer type and a second bearer type, maintaining mapping information for the content channels, the mapping information being indicative of the bearer associations between content channels and bearer types, and controlling content distribution in accordance with the associations between content channels and bearer types. |
| US09491407B2 |
Method and system for integrating smart tags into a video data service
A set of application program interfaces is embodied on a computer readable medium for execution on a computer in conjunction with an application program that integrates smart tags related to a video program with a payload of video data packets. A first interface receives an input from a tag database related to video program content. A second interface receives an input integrating a smart tag with a video data payload packet. A third interface receives an input providing integrated smart tag and video data to a network. Another interface receives an input from a customer segmentation database, for example for targeting information to specific customers or customer groups. |
| US09491406B2 |
Seamless escalation of mesh videoconferences to bridged videoconferences
Techniques allow seamless transitioning of a mesh-based videoconference to a bridged videoconference. Criteria are defined for use in a triggering point function that may be evaluated to determine whether to make the transition. Escalation logic in an escalation manager may be used to manage the transition, allowing some participants to connect via a multipoint control unit, which is in turn a participant in the mesh-based videoconference, with the escalation manager relaying media streams from the mesh-connected participants. The mesh-connected participants may then drop their mesh connections without disruption to the videoconference. Escalation logic in the endpoints may be used as an alternate to an escalation manager unit. |
| US09491404B2 |
Compensating for different audio clocks between devices using ultrasonic beacon
A videoconferencing system has a videoconferencing unit that use portable devices as peripherals for the system. The portable devices obtain near-end audio and send the audio to the videoconferencing unit via a wireless connection. In turn, the videoconferencing unit sends the near-end audio from the loudest portable device along with near-end video to the far-end. The portable devices can control the videoconferencing unit and can initially establish the videoconference by connecting with the far-end and then transferring operations to the videoconferencing unit. To deal with acoustic coupling between the unit's loudspeaker and the portable device's microphone, the unit uses an echo canceller that is compensated for differences in the clocks used in the A/D and D/A converters of the loudspeaker and microphone. |
| US09491402B2 |
Electronic device and method of processing image in electronic device
A device and a method for processing an image in an electronic device are disclosed. According to various embodiments, a method of processing an image in an electronic device may include: receiving, by the electronic device, at least one first image from an external device; determining, by the electronic device, whether the electronic device revises at least a part of the at least one first image based on at least a portion of a quality of the at least one first image; changing, by the electronic device, the part by using at least a portion of a second image; and displaying, by the electronic device, a third image including the changed part. In addition, other embodiments may be possible in the various embodiments of the present disclosure. |
| US09491401B2 |
Video call method and electronic device supporting the method
A video call method is provided, including forming a video call channel in an electronic device, outputting a screen including a first image received through the video call channel, determining whether a second image being transmitted through the video call channel is displayed on the screen based on image information of the second image, and displaying the second image on the screen according to the determination, and an electronic device supporting the video call method. |
| US09491395B2 |
Tuning circuit and receiver
The present invention discloses a tuning circuit that includes a first band-pass filter that passes a first predetermined frequency band corresponding to the selected channel in the broadcast signal, a mixing circuit that generates a mixed signal by mixing a signal having a predetermined frequency band corresponding to the selected channel with the broadcast signal passed through the first band-pass filter, and a second band-pass filter that passes a second predetermined frequency band in the mixed signal. At least one of a first frequency of the first band-pass filter and a second frequency of the second band-pass filter of the selected channel is changed. The present invention provides a receiver that can improve a quality of the output signal. By using the tuning circuit for a receiver, a quality of the output signal can be improved. |
| US09491392B2 |
Display device, user terminal apparatus and control method thereof
A control method of a display device includes receiving identification (ID) information of an electronic devices connected to the display device; determining whether a remote controller includes a control setting for the electronic device based on the received ID information, wherein the remote controller controls a plurality of electronic devices associated with the display device; obtaining a control key of the remote controller corresponding to the ID information when it is determined that the remote controller does not include the control setting for the electronic device; and transmitting the obtained control key to the remote controller. |
| US09491390B2 |
Method and system for implementing correlated multi-sampling with improved analog-to-digital converter linearity
A method of implementing Correlated Multi-Sampling (CMS) in an image sensor with improved analog-to-digital converter (ADC) linearity starts with an ADC circuitry included in a readout circuitry that generates a plurality of uncorrelated random numbers used as a plurality of ADC pedestals for sampling image data. A Successive Approximation Register (SAR) included in the ADC circuitry stores a different one of the ADC pedestals before each sampling of the image data. The ADC circuitry samples an image data from a row a plurality of times against plurality of ADC pedestals to obtain a plurality of sampled input data. The ADC circuitry converts each of the plurality of sampled input data from analog to digital, which includes performing a binary search using the SAR. Other embodiments are also described. |
| US09491388B2 |
Photodetector comprising a pinned photodiode that is formed by an optically sensitive layer and a silicon diode
In various embodiments, a photodetector includes a semiconductor substrate and a plurality of pixel regions. Each of the plurality of pixel regions comprises an optically sensitive layer over the semiconductor substrate. A pixel circuit is formed for each of the plurality of pixel regions. Each pixel circuit includes a pinned photodiode, a charge store, and a read out circuit for each of the plurality pixel regions. The optically sensitive layer is in electrical communication with a portion of a silicon diode to form the pinned photodiode. A potential difference between two electrodes in communication with the optically sensitive layer associated with a pixel region exhibits a time-dependent bias; a biasing during a first film reset period being different from a biasing during a second integration period. |
| US09491385B2 |
Switched capacitor circuit and method for driving the same
A switched capacitor circuit includes: a capacitor including a first terminal to which the input voltage is applied and a second terminal; an inverting amplifier including a second input terminal connected to the second terminal; a capacitor including a third terminal, a fourth terminal, and a fifth terminal which is connected to an output terminal; a capacitor including a seventh terminal, a sixth terminal connected to the second output terminal, and an eighth terminal connected to the third terminal; a capacitor connected in series between the second terminal and the output terminal; and an offset compensation unit which outputs an offset voltage having a value of a short-circuit voltage of the inverting amplifier to the fourth terminal and the seventh terminal. |
| US09491373B2 |
Light control apparatus for an image sensing optical device
An apparatus for controlling the quantity of light incident on an image sensor by controlling size or shape of a diaphragm and also by adjusting light transmittance of the diaphragm is provided. The light control apparatus is disposed on the light path of the image sensing device and controls a quantity of light incident on the image sensor. The light control apparatus includes a Guest-Host LCD panel applied no polarizing film and a control unit for reducing the time to take multi-frame detection by driving voltages which are applied to respective pixels of the Guest-Host LCD panel, to be increased at least when taking multiple frames in series. The Guest-Host LCD panel has a plurality of pixels forming closed curves or boundaries on a plane, which are electrically driven individually. Also, the pixels have uniform light transmittance throughout the entire azimuth of the closed curves or boundaries with an origin. |
| US09491372B2 |
Apparatus and method comprising a beam splitter
An apparatus and method wherein the apparatus includes a beam splitter configured to split a beam of light into at least two split beams, such that the at least two split beams are incident on different imaging sensors, wherein the beam splitter includes at least one diffraction grating; and at least two imaging sensors configured to detect the at least two split beams. |
| US09491371B2 |
Method and device for configuring photographing parameters
The present disclosure discloses a method and a device for configuring photographing parameters, which relate to the field of terminal device technology. The method for configuring photographing parameters in a main device includes: acquiring photographing parameters, which include at least an output color temperature and an output time, for configuring a supplemental device with a flashlight component capable of adjusting color temperature according to a currently set photographing mode; and transmitting the photographing parameters to the supplemental device through a wireless data network, such that the supplemental device sets an output color temperature and an output time of the flashlight component in the supplemental device according to the photographing parameters when photographing. In the present disclosure, the accuracy of the output color temperature of the supplemental device, which supplements light during photographing using multiple terminal devices, is improved, and the quality of the photograph captured is also improved. |
| US09491364B2 |
Camera module
Disclosed is a camera module. The camera module according to one embodiment includes a lens barrel disposed in a housing to receive a lens; a driving unit moving the lens barrel relative to the housing; and a circuit board electrically connected to the driving unit. The driving unit includes a first driving unit in the lens barrel; and a second driving unit in the housing. A portion of the second driving unit directly makes contact with the circuit board. |
| US09491359B2 |
Automatic-tracking camera apparatus
An automatic-tracking camera apparatus which is capable of realizing continuous and smooth driving and obtaining an image with little position variation of a tracking target from a target position within the image and with little blur. The position of a camera body is changed by a gimbal device. The speed of a tracking target object at the next-after-next start timing of image acquisition by the camera body is predicted. The gimbal device is controlled so that the camera body reaches the position indicated by a position instruction value generated for the next-after-next start timing of image acquisition by the camera body, at the next-after-next start timing, and the speed of the camera body at the next-after-next start timing of image acquisition by the camera body corresponds to the speed predicted for the next-after-next timing of image acquisition. |
| US09491357B2 |
Image-processing system and image-processing method in which a size of a viewing angle and a position of a viewing point are changed for zooming
An image-processing system includes a receiver which receives an input value defining an output range, a generator which generates a three-dimensional model having a target image attached to a three-dimensional conformation, a decision part which decides a position of a viewing point and a viewing angle in accordance with the input value, and a projector which projects the three-dimensional model from the viewing point, wherein the decision part changes a range of a target image inside a viewing field by changing the viewing angle preferentially when the input value is in a first range, and changes the range of the target image inside the viewing field by changing the viewing point preferentially when the input value is in a second range which is a wider-angle side than that of the first range. |
| US09491356B2 |
Motion estimation and detection in a camera system accelerator architecture
An image capture accelerator performs accelerated processing of image data. In one embodiment, the image capture accelerator includes accelerator circuitry including a pre-processing engine and a compression engine. The pre-processing engine is configured to perform accelerated processing on received image data, and the compression engine is configured to compress processed image data received from the pre-processing engine. In one embodiment, the image capture accelerator further includes a demultiplexer configured to receive image data captured by an image sensor array implemented within, for example, an image sensor chip. The demultiplexer may output the received image data to an image signal processor when the image data is captured by the image sensor array in a standard capture mode, and may output the received image data to the accelerator circuitry when the image data is captured by the image sensor array in an accelerated capture mode. |
| US09491355B2 |
System for capturing an image of a damaged vehicle
A device and method that assists a user in photographing a vehicle for documenting a condition of the vehicle for a vehicle insurance estimate. The device is a camera that captures images of the vehicle. The camera includes a screen that displays an image of the vehicle and a graphical arrow that indicates a direction in which a plurality of vehicle images are to be captured. The camera also includes a memory that stores a plurality of captured vehicle images of the vehicle each captured from a different vantage point. The camera transmits the plurality of captured vehicle images that are reviewed at an insurance estimate computer. |
| US09491350B2 |
Autofocus device and digital camera
An autofocus device comprising includes a lens drive system for translating a lens, a first in-focus position detector for detecting a first in-focus position while translating the lens in a first direction by the lens drive system and a second in-focus position detector for detecting a second in-focus position while translating the lens in a direction opposite with respect to the first direction by the lens drive system, the second in-focus position detector operating after the first in-focus position is detected. A backlash detector detects a backlash in the lens drive system according to the first and the second in-focus positions. |
| US09491348B2 |
Imaging lens and imaging apparatus
An imaging lens includes a first lens group having positive refractive power, a second lens group having negative refractive power, and a third lens group having positive refractive power. The first to third lens groups are arranged in order from an object side toward an image side. A focusing operation is performed through allowing the second lens group to travel along an optical axis. The following conditional expressions are satisfied, 0.40 |
| US09491347B2 |
Exchangeable lens and camera body
An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles. |
| US09491346B2 |
Image acquisition system
An image acquisition system for machine vision systems decouples image acquisition from the transmission of the image to a host processor by using a programmable imager controller to selectively disable and enable the transmission of data to the host and by using a system of buffers to temporarily store image data pending allocation of memory. This enables the image acquisition system to acquire images asynchronously and to change the exposure parameters on a frame-by-frame basis without the latency associated with the allocation of memory for storage of the acquired image. The system architecture of the invention further permits interruption and resumption of image acquisition with minimal likelihood of missing data. Data throughput is further enhanced by transmitting to the host only that data corresponding to the region of interest within the image and discarding the data from outside of the region of interest at the camera stage. |
| US09491345B2 |
Adjustment of flash device based on temperature
A method may be provided that includes sensing a temperature, determining a current of a flash device based on the sensed temperature, and operating the flash device based on the determined current to provide light. |
| US09491341B2 |
Mobile device and optical imaging lens thereof
Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened. |
| US09491339B1 |
Camera system
A camera system includes a camera mounting frame having a plurality of camera mounts. Each camera mount is configured to hold a respective camera at a respective lens orientation such that mounted cameras provide different respective lens orientations relative to each other, with each mounted camera providing a different field of view facing outward from the mounting frame. The camera system may provide obstruction-free, fully spherical image and video capture to record spherical images or spherical videos in which the nadir hole and/or a physical support element of the camera system is eliminated or reduced in size during the digital stitching process of the image or video. |
| US09491338B1 |
Sealed articulating camera for a communication device
An improved seal assembly for an articulating camera (102) is provided in a communication device (100). The articulating camera (102) a coiled flex circuit (208) and pivot housing (110). The coiled flex circuit (208) provides for range of motion. The coiled flex circuit (208) has a flex extension (218) that threads through a barrel hinge (214) of the pivot housing (110). The barrel hinge (214) and flex extension (218) are sealed via a single seal (306) having a circumferential seal (312) and pocket (308) thereby allowing the coiled flex circuit (208) to continue to provide range of rotation within the pivot housing (110). |
| US09491336B2 |
Camera device and method for controlling a camera device
A camera device. A housing includes a first portion, a second portion and a curved portion disposed between the first portion and the second portion and including a curved surface. The lens is disposed on an end surface of the housing. The image sensor is coupled to the lens for obtaining image data captured by the lens. The first input unit is disposed on the curved surface and provided as a first input interface for a user. The grip sensor is disposed on the first portion for sensing whether the first portion is held by the user. The lens and the image sensor operate in a sleep mode by default to reduce power consumption. When the grip sensor senses that the first portion is held by the user, the grip sensor generates a sensing signal to wake up the lens and the image sensor. |
| US09491335B2 |
Camera module
The present invention relates to a camera module, the camera module including a PCB (Printed Circuit Board) mounted with an image sensor, an auto focusing unit installed thereinside with at least one lens and fixed at an upper side of the PCB for auto focusing a focus of an image transmitted to the image sensor, a shield can formed with a through hole at a position corresponding to that of the lens and so formed as to wrap the PCB and the auto focusing unit as well, and a shock absorber installed at an upper circumference of the shield can to form a buffer space between the shield can and the auto focusing unit. |
| US09491333B2 |
Device for receiving video signals transmitted over a packet computer network
The presented invention enables the reception of video signals with variable channel synchronization. All logic elements are located on the receiver side that can work with any transmitter. The receiver comprises one or more sets of modules for image processing. These sets of modules adapt the speed of sending data to the frame generator to the speed of data creation on the transmitter side without the use of a precise time pulse source on both sides of the transfer and without feedback from the receiver to the transmitter. The receiver further includes a memory of channel synchronization configuration which determines the allocation of synchronized channels to groups and the detector of starts of frames. These, along with multiplexers of clock signals, ensure the synchronization of channels within groups and allows for modifying this channel distribution. |
| US09491332B2 |
Clock transfer circuit, video processing system, and semiconductor integrated circuit
A clock transfer circuit receives input data synchronized with a first clock, and outputs, as output data, data synchronized with a second clock having a frequency different from that of the first clock. A write address controller is operating according to the first clock, and provides a write address to a memory. A read address controller is operating according to the second clock, and provides a read address to the memory. A cycle comparator compares the cycle of a predetermined event between the input data and the output data. Based on such a comparison result, the clock adjuster adjusts the frequency of the second clock. |
| US09491329B2 |
Image forming apparatus
An image forming apparatus includes an image forming unit for forming an image on a recording medium, a fixing unit for fixing the image on the recording medium, a storage unit configured to store image data representing the image, a first generation unit for generating a first position information which represents a position of a target pixel in a first direction which corresponds to a conveyance direction of the recording medium. The apparatus further includes a second generation unit for generating a second position information which represents a position of the target pixel in a second direction which is perpendicular to the first direction; a setting unit for setting, based on magnification changing information in the first direction which corresponds to a conveyance direction of the recording medium, a division condition for dividing the image data representing the image into two or more areas in the first direction. |
| US09491326B2 |
Electronic device, information processing system and storage medium
An electronic device includes a setting unit configured to set setting information of an operation of the electronic device according to common setting information; a designation information acquisition unit configured to acquire designation information, which designates an acquisition origin of the common setting information, via a network; and a setting information acquisition unit configured to acquire the common setting information from the acquisition origin of the common setting information designated by the designation information acquired by the designation information acquisition unit. |
| US09491325B2 |
Image processing apparatus, image processing method for the same, and recording medium
An image processing apparatus having functions installed thereon includes a job input portion that inputs a first job, a job storage that stores the first job, a job output portion that outputs the first job, a memory that allows allocating memory areas to the functions and reallocating the memory areas, a first judgment portion that judges whether or not the memory areas were reallocated after input but before output of the first job, a second judgment portion that judges whether or not output of the first job requires any unavailable function, a third judgment portion that judges whether or not the unavailable function will be available by restricting operations related to a second job and by adjusting the memory areas, and an operation restriction portion restricts operations related to the second job and adjusts the memory areas, wherein the first job is output while restrictions on the operations are effective. |
| US09491324B2 |
Printer-pool based splitting of multi-copy print jobs
Systems and methods are provided for automatically splitting multi-copy print jobs across a printer pool represented by a virtual printer. The system includes a print server, and the print server includes an interface and a controller. The interface is able to present a pool of multiple printers as a virtual printer, and to receive a multi-copy print job directed to the virtual printer. The controller is able to identify printers from the pool that are available for printing the print job, to split the print job into multiple child jobs that each include a separate copy of print data for the print job, and to queue the child jobs at the available printers. |
| US09491321B2 |
Image reading apparatus that performs shading correction, method of controlling the same, and storage medium
An image reading apparatus that makes it possible to reduce the influences of dirt on a white reference chart itself, stripes caused by dust, and the like, and thereby generate accurate data for shading correction. An image processor performs shading correction on image data read by a reader unit. The read image data is compared with threshold values set for each pixel, and a pixel which is out of a range of the threshold values is determined as a singular point pixel. Data of a pixel determined as a singular point pixel is interpolated from data around the singular point pixel. Data of a pixel which is not determined as a singular point pixel is adopted as valid shading correction data. An operation controller controls the number of effective sampling lines from start to termination of sampling to be performed. |
| US09491315B2 |
System and method of remote FAX interconnect technology
The present invention provides systems and methods for the virtualization, aggregation, and distributed processing of facsimile communications. The Remote FAX Interconnect known as etherFAX® is a system and method that allows for the reception and delivery of information based on cloud computing infrastructure to or from one or more facsimile systems using Internet/web based communication protocols such as HTTP(S) as the transport between a facsimile capable application or hardware and the remotely accessible etherFAX® services. |
| US09491313B2 |
Optimizing storage between mobile devices and cloud storage providers
Embodiments of the present invention provide a solution to optimize data transfer between a mobile device and a cloud storage provider. Specifically, embodiments of the present invention may select one or more files for transfer from the mobile device to a cloud storage device based on an analysis of a set (at least one) of factors such as: (1) the percentage of local storage being consumed on the mobile device; (2) the mobile device's billing plan, and whether file transfer will cause the billing plan to be exceeded; (3) a capacity of a link between the mobile device and the cloud storage provider; (4) dates of last access for files stored on the mobile device; and/or (5) a battery power remaining in the mobile device (if applicable). Any files selected based on an analysis of these factors can be transferred via the link and deleted from the mobile device. Typically, a file is a candidate for transfer if it has not been accessed recently (e.g., within a certain time period), the link and billing plan can accommodate the transfer of the file (e.g., determined based on the size of the file), and there is sufficient power to make the file transfer. |
| US09491312B1 |
Telecommunication price-based routing apparatus, system and method
Aspects of the present disclosure relate to telecommunications networks, processing and routing calls between networks, a computing system and methodologies for optimizing pricing particularly in situations with massive amounts of data, processing call volume data, deseasonalizing data, minutes of use data, establishing and distributing pricing data for use in routing decisions, among other features and advantages. |
| US09491310B2 |
Techniques for determining traffic volumes served over multiple cells of a wireless communication network
Techniques are described for traffic volume determination and reporting by an access node and/or a node of a core network in a wireless communications system. One or more wireless connections may be established with a user equipment (UE) to serve one or more streams of traffic using a first cell and a second cell, which may have different cell characteristics. A first traffic volume for the UE may be determined based on traffic volume served over the first cell, and a second traffic volume for the UE may be determined based on traffic volume served over the second cell. A charging data record may be generated based on the first traffic volume and the second traffic volume. Traffic volume served over the first cell then may be charged at a different rate that traffic served over the second cell. |
| US09491306B2 |
Signal processing control in an audio device
Methods, systems, and apparatus for controlling audio signal processing are described herein. In accordance with certain embodiments, a measure of coupling between at least one microphone and one speaker associated with an audio device is obtained. The measure of coupling may be used to control audio signal processing, such as sidetone generation and application of multi-channel decorrelation to the audio signal. |
| US09491303B2 |
Call setup using voice over the internet protocol (VoIP)
A method of performing call setup in a system comprises an origination telephony network, a termination telephony network and a packet switched data network interconnecting therebetween comprises steps of implementing call setup across the two telephony networks by SS7 protocol and implementing call setup within the packet switched data network by H.323 protocol. In particular, the call setup in the data network is not started until information of the resources status in the termination telephony network is available. A novel gateway is provided to implement the method, which comprises both SS7 capabilities and H.323 functionalities. |
| US09491302B2 |
Telephone call processing method and apparatus
Methods, apparatus and computer program products for processing signaling information for telephone call attempts in a packet-based telephony service. An overload protection node is introduced to protect a signaling node from an overload of signaling information for telephone call attempts. A characteristic of signaling information for telephone call attempts in the packet-based telephony service is monitored by the overload protection node and on the basis of the monitored characteristic, the overload protection node processes signaling information for telephone call attempts according to one of a number of different modes of operation. A mode of operation may involve transmitting signaling information for a call attempt to the signaling node or selecting one or more call attempts at the overload protection node for the purpose of reducing overload in the signaling node. |
| US09491301B2 |
Multimedia providing service
At one of the timings: during a period between the moment when one of terminals which performs transmission calls out a communication partner and the moment of response and at the timing after the communication between the terminals is complete; a server reads out content data from a database and transmits the read out content data to the terminal. At this timing, the terminal reproduces the content data transmitted from the server. |
| US09491299B2 |
Teleconferencing using monophonic audio mixed with positional metadata
In some embodiments, a method for preparing monophonic audio for transmission to a node of a teleconferencing system, including steps of generating a monophonic mixed audio signal, including by a mixing a metadata signal (e.g., a tone) with monophonic audio indicative of speech by a currently dominant participant in a teleconference, and encoding the mixed audio signal for transmission, where the metadata signal is indicative of an apparent source position for the currently dominant conference participant. Other embodiments include steps of decoding such a transmitted encoded signal to determine the monophonic mixed audio signal, identifying the metadata signal, and determining the apparent source position corresponding to the currently dominant participant from the metadata signal. Other aspects are systems configured to perform any embodiment of the method or steps thereof. |
| US09491298B2 |
System and method for processing a voice mail
Described is a system and method for processing a voice mail. The method comprises receiving a voice mail, converting the voice mail into a text message using a predefined speech-to-text conversion algorithm and transmitting the text message to a wireless computing device. |
| US09491296B2 |
System and method for managing messages in a packetized voice environment
A method includes receiving a call signal associated with an incoming communication at a first device. The method includes sending a request to a second device to store a voice message at a network storage device. The second device is configured to store the voice message associated with the incoming communication based on the incoming communication being unanswered by the first device. |
| US09491295B2 |
System and method for selecting agent in a contact center for improved call routing
An agent selection system for selecting agents during call routing in a contact center is provided. The agent selection system includes a data mining module to mine agent related data from preconfigured resources e.g., social networking sites. The agent selection system further includes a profile module to build one or more agent profile based on the mined agent related data. The agent selection system further includes a mapping module configured to map a customer profile in a customer work request with the one or more agent profile. The agent selection system further includes a selection module to select an agent for handling the customer work request based on mapping between the customer profile and the one or more agent profile. |
| US09491294B2 |
System and method for marketing attribution in an enterprise
A system and method include a customer engagement platform of an enterprise. The customer engagement platform is configured to connect with an audience computer and provide to the audience computer contact information associated with a marketing attribution. The marketing attribution accompanies an impression served to the audience computer. The impression and marketing attribution associated with the contact information are sent to the customer engagement platform during an interaction with the enterprise. |
| US09491289B2 |
Remote tracking device and a system and method for two-way voice communication between the device and a monitoring center
A remote tracking system is described including one or more remote tracking devices and a monitoring center. The remote tracking device includes a tamper-resistant housing intended to be held securely to a wearer by a strap, a positioning system receiver in the housing and operable to receive signals indicative of the location of the remote tracking device, a cellular transceiver in the housing and operable to communicate with the monitoring center, and a processor in the housing and in electrical communication with the positioning system receiver and the cellular transceiver, the processor operable to monitor a status for the remote tracking device. The remote tracking system is able to compare the location of the remote tracking device with a set of pre-programmed rules and establish a two-way voice communication between the wearer and the monitoring center upon the occurrence of certain programmable conditions in the remote tracking system. |
| US09491288B1 |
Caller identification for restricted mobile devices
A call information server registers with a carrier platform to receive call notifications for a telephone number associated with a mobile device. When an incoming communication is made to the registered telephone number, the call information server receives a call notification before the incoming communication arrives at the mobile device. The call information server then determines the caller information associated with the caller telephone number. The caller information for the caller telephone number is information about an entity that controls or is otherwise associated with the caller telephone number. The call information server sends the caller information and the caller telephone number to the mobile device before the incoming communication arrives at the mobile device. The mobile device can then display the caller information when the incoming communication arrives at the mobile device. |
| US09491280B2 |
Phone
A phone, comprising: a touch panel; a voice receiver; and a controller, coupled to the touch panel and the voice receiver, and operable to disable a touch function of the touch panel when the voice receiver detects a conversation. |
| US09491278B2 |
System and method for displaying images and videos found on the internet as a result of a search engine
A system that incorporates teachings of the subject disclosure may include, for example, receiving, prior to entering a screensaver mode of operation, a search criteria identifying a requested subject matter, wherein the search criteria is based on a last user-initiated search query to a web-based search engine. In response to entering the screensaver mode, the search criteria identifying the requested subject matter is automatically transmitted to a web browser. Image content referenced by a set of uniform resource locators based upon the search criteria is sequentially presented. In response to receiving user input, a user-selectable region is presented comprising a selectable element superimposed on the first image. Selection of the element causes a defined action generating an e-mail message having an attachment with content referenced by a link associated with the first image. Receiving user input from a second input device ceases presenting of the image. Other embodiments are disclosed. |
| US09491275B2 |
Systems, methods and computer program products for aggregating contact information
A service provider for a communications system may detect new contact information for a contact in the contact database of a first one of the subscribers. The service provider obtains a confirmation of the new contact information by a party other than the first subscriber to confirm accuracy of the new contact information. Responsive to detection of the confirmation event, the service provider stores the confirmed contact information in an aggregate contact database including contact data from multiple ones of the plurality of subscribers. The new contact information may include a communications identifier, such as a telephone number, physical address or network address. The new contact information may further include personal information for the contact, such as a photograph, a profile, a weblog, a buddy list, a bookmark and/or a tag, or commercial information associated with the contact, such as a user rating, an advertisement and/or a coupon. |
| US09491271B2 |
Battery charger for portable electronic devices and portable electronic device using the same
A battery charger for portable electronic devices and a portable electronic device are disclosed. In one embodiment, a battery charger housing forms a portion of an outer device shell or a protective case cover. Capacitors are located within the battery charger housing that include opposing spaced plates having contact segments thereon. An output power increasing, electrically resistive fluid is held within and partially fills an enclosed chamber that is boundaried by the contact segments. In response to movement of the portable electronic device, induced relative motion between the output power increasing, electrically resistive fluid and contact segments varies the fluid-contact segment contact within the enclosed chamber, thereby inversely alternating the capacitance between the pair of capacitors and triboelectrically generating an electrical charge. An electronic circuit, which is coupled to the opposing spaced plates, is configured to transfer the electrical charge to a battery associated with the portable electronic device. |
| US09491268B2 |
Method and devices for session timeout management
This innovation provides a method and devices to manage IMAP Session timeout values by adding one or more proprietary parameters to the IMAP protocol. This provides the ability to modify the IMAP session timeout value after the IMAP session has been established and before the IMAP session expires. The mobile client may then choose to modify the timing of the IDLE message to the server based upon the newly received IMAP session timeout value. |
| US09491265B2 |
Network communication protocol processing optimization system
A protocol processing system includes a plurality of communication interfaces. A control head-end is operable to receive a protocol processing engine identifier over a network through one of the communication interfaces from an external system. A plurality of optimized protocol processing engines are coupled to the control head-end, and the control head-end is operable to select a first optimized protocol processing engine from the plurality of optimized protocol processing engines that is identified by the protocol processing engine identifier. In response to being selected, the first optimized protocol processing engine handles communications between an application processing system and the external system. The first optimized protocol processing engine may be an optimized TCP/IP stack that receives operating system data through a first communication interface from the application processing system and sends network communication data over the network through the second communication interface to the external system. |
| US09491263B2 |
Systems and methods for automatically modifying a picture or a video containing a face
Systems and methods for automatically adjusting a picture or a video containing a face, by detecting the face in a picture, constructing a face-structure mask for the face, obtaining a set of model face-structure masks and modification instructions, and modifying the face. The disclosure further provides for displaying the modified picture, receiving user feedback regarding the modifications, and processing the user feedback. |
| US09491256B2 |
Method and device for personalizing a multimedia application
A method for personalizing a multimedia application includes receiving, from a module of the multimedia application, a request for a multimedia output, wherein the request is of a type; providing user data of a user of the multimedia application, the user data being representative of a personal taste of the user; and determining a multimedia output depending on the type and the user data. |
| US09491253B2 |
Data storage based on content popularity
Methods, systems, and software for operating a data storage system of a content delivery node are provided herein. In one example, a method of operating a data storage system of a content delivery node is presented. The method includes receiving content data into a storage system, storing the content data in a first storage space, determining popular content data within the content data based on at least user requests for the content data, and storing the popular content data in a second storage space. |
| US09491250B2 |
Systems, methods, and apparatus to identify media presentation devices
Systems, methods, and apparatus to identify media presentation devices are disclosed. An example method includes receiving registration data from a panelist, the panelist being associated with a first network device and a second network device, the first and second network devices associated with a same public Internet protocol address. Associating respective ones of the first and second network devices with respective ones of at least two pseudo domain name service (DNS) servers, wherein the pseudo DNS servers do not provide domain name-to-IP address translation. Crediting the first network device with accessing media when a domain name service query is received at the first pseudo DNS server from the public Internet protocol address. And crediting the second network device with accessing media when the domain name service query is received at the second pseudo DNS server from the public Internet protocol address. |
| US09491247B2 |
Automatic capture of detailed analysis information based on remote server analysis
A system monitors a network or web application provided by one or more distributed applications and provides data for each and every method instance in an efficient low-cost manner. Agents may monitor the performance of the distributed application by the web services and report monitoring data as runtime data to the remote server, for example a controller. The controller may analyze the data to identify one or more performance issues or “hot spot” methods based on current or past performance, functionality, content, or business relevancy. Instructions and/or configuration information may be transmitted by the controller to the agents that correspond to a particular business transaction portion associated with a hot spot. The portions are then monitored to collect data associated with the hot spot and the hot spot data is reported back to the controller. |
| US09491241B1 |
Data storage system with native representational state transfer-based application programming interface
A data storage system includes: one or more storage nodes configured to attach to a computer network to provide network-attached storage for the computer network; a first application programming interface providing data storage functionality at a file level in the one or more network-attached storage nodes for a first set of application programs operating in the computer network; and a second application programming interface providing data storage functionality at a level other than the file level in the one or more network-attached storage nodes for a second set of application programs operating in the computer network, wherein the second application programming interface comprises one or more native representational state transfer-based application programming interfaces. |
| US09491237B1 |
Proximity based sharing
A system and method for sharing content with a group of devices based on proximity. A sharing device transmits an SSID and an audio signal containing a key. The audio signal may be controlled to limit the area in which the audio signal may be received or heard by a receiving device. For example, the audio signal may be controlled to limit receipt to a device at a same table (a few feet away from the first device), in a same room, etc. This allows the sharer to selectively share content with one or more receiving devices without sharing with all devices in proximity to the first device. |
| US09491231B1 |
Mobile communication device stateful applications system
A mobile communication device. The mobile communication device comprises a radio transceiver, a processor, a memory, and a subscription applications management application stored in the memory. When executed by the processor, the management application monitors a subscription applications account status, presents a catalog of a plurality of subscription applications available for downloading via the radio transceiver, and responsive to a disabled status of the subscription applications account status, blocks execution of downloaded subscription applications. The management application further receives a request to export state information of a specified downloaded subscription application to one of a subscription application executing on another electronic device, a corresponding owned application executing on the mobile communication device, or a corresponding owned application executing on another electronic device, and exports state information of the specified downloaded subscription application. |
| US09491228B2 |
Redundancy device
A computing unit computes a computed value for input data. A comparing unit compares the computed value of the computing unit with a computed value of another node which is included in an input/output set. An output unit outputs the computed value as output data of a node itself when the result of the comparison by the comparing unit shows that the computed value matches either one of computed values. When the computed value does not match any one of the computed values of other nodes, a transferring unit adds the computed value of the node itself to the input/output set, and transfers the input/output set to another node. |
| US09491224B2 |
Remotely controlling camera functionality
Systems and methods for providing registration at a remote site that may include, for example, a monitoring module that may communicate with a remote site. A registration protocol may be used by the monitoring module and the remote site in generating the messages communicated during the registration process. The monitoring module may gather and generate various identification information to be included in the registration protocol messages. The registration information provided by the monitoring module maybe stored at the remote site in a database server having a database. A confirmation message may be communicated from the remote site to the monitoring module that may either acknowledge successful registration or report that an error occurred during the registration process. |
| US09491221B1 |
System and method for brokering distributed computation
A method and apparatus for distributed computing in a brokering environment is disclosed. In this environment, the broker system receives a program and data set from a consumer system and partitions them into sub programs and data subsets, respectively, and generates a trigger that is communicated to a web property system that includes a web property over a first communication path. When the web property is accessed by an end user computer, the end user computer responds to the trigger and sends a request to the broker system via a second communication path. In response, the broker system communicates a subprogram and data subset, via the second communication path, to the end user computer, which executes the subprogram and data subset and communicates the resulting data to the broker system, which may communicate the resulting data to the consumer system. |
| US09491219B2 |
Mobile device perceptive audio and video quality analysis using onboard test signals
Techniques described herein may use perceptual quality measurement techniques to test and/or evaluate communication sessions between mobile devices. A method may include receiving, by a mobile device and as part of an audio or video call with a second mobile device, a streamed version of a reference audio or video file; and reading a version of the reference audio or video file that was previously stored locally to the mobile device. The method may further include calculating, based on a comparison of the streamed version of the reference audio or video file to the version of the reference audio video file that was stored locally, a perceptual quality score for the streamed version of the reference audio or video file. |
| US09491210B2 |
Sink device, source device and method for controlling the sink device
A sink device, a source device, a Wireless Local Area Network (WLAN) system, and a method for controlling the sink device are described. A sink device includes: an event setting unit that sets a control event configured to control media data supplied from a remote source device with which the sink device communicates through a WLAN; a packet control unit that forms a control packet configured to transmit the control event to the source device; a communication unit that transmits the control packet to the source device and receives, from the source device, media that reflects the control event; and a media output unit that outputs the media data that reflects the control event. |
| US09491202B2 |
Device and method capable of searching for available service
A method capable of searching for a surrounding device based on a desired service is provided. The method includes transmitting a service search request including information regarding a target service to nearby devices; receiving a service search response from the nearby device supporting the target service; analyzing service information of the nearby device supporting the target service, which is included in the service search response; selecting the nearby device supporting the target service based on a result of the analyzed service information; and performing the target service by establishing a session with the selected device. |
| US09491201B2 |
Highly scalable architecture for application network appliances
A highly scalable application network appliance is described herein. According to one embodiment, a network element includes a switch fabric, a first service module coupled to the switch fabric, and a second service module coupled to the first service module over the switch fabric. In response to packets of a network transaction received from a client over a first network to access a server of a data center having multiple servers over a second network, the first service module is configured to perform a first portion of OSI (open system interconnection) compatible layers of network processes on the packets while the second service module is configured to perform a second portion of the OSI compatible layers of network processes on the packets. The first portion includes at least one OSI compatible layer that is not included in the second portion. Other methods and apparatuses are also describe. |
| US09491199B2 |
Security, fraud detection, and fraud mitigation in device-assisted services systems
A device having: an application program that assists the device in accessing a data service over a wireless access network, an application credential associated with the application program, and a policy to be applied when the application program initiates or attempts to initiate communication over the wireless access network. The device also has one or more agents that detect an attempted installation of update software on the device, the update software purporting to be a modification, update, or replacement of the application program; obtain an update-software credential associated with the update software; obtain the application credential; allow the update software to be installed if the update-software credential matches the application credential; and interact with the application program to arrange a setting of the application program, the setting configured to assist in applying the policy when the application program initiates or attempts to initiate communication over the wireless access network. |
| US09491198B2 |
Obligation enforcement for resource access control
A request handler may be configured to receive an enforcement request for enforcement of an obligation required as a condition for a previously-granted first resource access request. n obligation enforcer may be configured to enforce the obligation, based on the enforcement request, and a compliance manager may be configured to obtain certification of execution of the obligation from an obligation certification service, and to provide the certification as a basis for granting a second resource access request. |
| US09491190B2 |
Dynamic selection of network traffic for file extraction shellcode detection
A method for network security includes, in a computer network that exchanges traffic among multiple network endpoints using one or more network switches, configuring at least one network switch to transfer at least some of the traffic for inspection. Only a portion of the traffic, which is suspected of carrying executable software code, is selected from the transferred traffic. The selected portion of the traffic is inspected, so as to verify whether any of the executable software code is malicious. |
| US09491188B1 |
Latency-based detection of covert routing
A method and apparatus for detecting covert routing is disclosed. In the method and apparatus, a plurality of first data portions addressed to a remote computer system are forwarded over a first network path, whereby each first data portion of the plurality of first data portions is associated with a computer system of a plurality of computer systems. Further, a plurality of first network performance metrics are obtained, whereby each first network performance metric of the plurality of first network performance metrics is associated with a routing of a first data portion of the plurality of first data portions over the first network path. A likelihood of covert routing is determined based at least in part on the plurality of first network performance metrics. |
| US09491184B2 |
Method and apparatus for managing tokens for digital rights management
A method and apparatus for managing tokens for Digital Rights Management (DRM) in a terminal are provided. In the method, at least one token is acquired from a Rights Issuer (RI), and the token is moved to a Secure Removable Media (SRM) through a token move request message. The token can be shared by several terminals. |
| US09491182B2 |
Methods and systems for secure internet access and services
A method and system for providing secure internet access and services are disclosed. The method includes receiving a request for services from a user terminal, the request including user terminal data; sending the user terminal data to a security server; and receiving a security level of the user terminal from the security server. The security server determines the security level of the user terminal based on historical user data related to the user terminal. The method further includes initiating a verification process based on the security level of the user terminal. |
| US09491178B2 |
Identifying a measure of online security
A computer-implemented method includes retrieving, by one or more processing devices and from one or more data repositories, user information; generating, based on the retrieved user information, a digital personal profile that is a composite of a set of pre-defined attributes; determining an aggregate strength of values of the set of pre-defined attributes in the digital personal profile; and generating, based on the determined aggregate strength, a digital security score that measures a level of online security of accessing resources over a computer network. |
| US09491177B2 |
Granting permissions to an object when adding people to a conversation
A user generates a message by adding a recipient in order to send the message to the recipient. The message has a link to an attached object which is automatically detected and it is determined whether the recipient has rights to the object. If not, the recipient's rights are automatically modified so that the recipient has rights to the object, and the user is notified of the modified permissions. |
| US09491176B1 |
Monitoring content consumption by restricted account
A content server stores digital content including video, audio, image, animation, or text content. The content server receives account permissions governing video access for a restricted account that an authorizing account supervises. The content server also receives a designation by the authorizing account of a delegate account authorized to control video access for the restricted account. The content server receives a request from the restricted account to view a video and determines whether the restricted account may view the video according to the account permission. In response to determining that the authorized account is not authorized to view the requested video, the content server transmits an authorization request to the delegate user, who provides authorization for the restricted account to view the video. In response to authorization from the delegate account, the content server transmits the video to the restricted user. |
| US09491171B2 |
System and method for vascular mapping authentication
A biometric authentication system includes a biometric device and a security authentication device, wherein the biometric device includes a digital image sensor configured to capture one or more images of human vasculature and a wireless transmitter configured to transmit the one or more images to the security authentication device, and the security authentication device is configured to return an authentication true message if a first vascular map retrieved from a database matches a second vascular map generated from the set of images. |
| US09491169B2 |
Generation and authentication of biometric information using watermark
An apparatus for generating biometric information, the apparatus includes a biometric scanning module configured to scan a body of a user to generate biometric image information; a seed supplying module configured to supply a secure seed having a security that is effective for a preset time period; a security pattern generating module configured to generate a secure watermark pattern based on the secure seed; and a biometric information generating module configured to generate biometric information to be used for authentication by the use of the biometric image information and the secure watermark pattern. |
| US09491168B2 |
Methods, systems, devices, and products for authenticating users
Enhanced biometric authentication combines a user's inherent biometric data with the user's password, code, or other secret glyph. For example, the user's finger makes an input on a touchpad. An image of a fingerprint is extracted from the input, along with the user's password, code, or other secret glyph. In one input, then, the user's finger serves two authentication schemes for increased security. |
| US09491163B2 |
Object delivery authentication
A method and system for authenticating delivery including the steps of receiving by a receiver a delivery information package from a deliverer over a network during a communication between the receiver and the deliverer, wherein the delivery package includes deliverer identity information, sending an authentication request of the received delivery package from the receiver to an authentication module having a hardware processor, over at least one of a call network and an additional network, and authenticating the received delivery package using the deliverer identity information. |
| US09491158B2 |
Authentication system, authentication method, information processing apparatus
An authentication system includes a device; and an information processing apparatus connected to the device. The device includes a state management unit that manages an authentication state in the device and causes the device to enter a log-out state; and a first communication unit that transmits an authentication scheme available in the device to the information processing apparatus when the device enters the log-out state. The information processing apparatus includes a second communication unit that receives the authentication scheme; a generation unit that generates a log-in screen based on screen setting information corresponding to the received authentication scheme; and a display controller that controls to display the log-in screen on a display unit. |
| US09491156B2 |
Connection management method and system for relaying client and backend of server on server side
Provided is a connection management method and system for relaying a client and a backend module of a server on a server side. A connection management method performed by a connection management system may include receiving a request message from a client device, adding an authentication tag and a service tag for a connection to the request message, verifying a right of the authentication tag and a right of the service tag using a uniform resource identifier (URI) of the request message, searching for a service corresponding to the request message using the URI, and transferring the request message to the found service. |
| US09491155B1 |
Account generation based on external credentials
Techniques are described for using a credential, such as a user identifier associated with an account on a first service, to create a reusable account on a second service. The account may be initially activated based on the receipt of a passcode sent to the account on the first service. The account may be created with access to a subset of features on the second service. On receiving a password for the account, the account may be modified to access a broader feature set. The account may be reusable via a cookie or other token placed on a user device, and reusability may be disabled on detecting possible security risk conditions associated with the user identifier. |
| US09491150B2 |
Document-authorized access to a shared workspace
Various embodiments described herein each provide one or more of systems, methods, software, and data structures that facilitate document-authorized access to a shared workspace. Some of these embodiments provide access to a shared workspace, such as a document review comment repository, through data embedded within a document. Mere possession of a document with a key, or other data element, allows a possessor of the document to participate in a workflow process. |
| US09491149B2 |
Computer product, recording medium, communications apparatus, and communications method
Improvement of the security of communication is facilitated. A server receives from an on-vehicle device, encrypted data obtained by encrypting ECU information using key information (111-1#C), and identification information (112-1#C). Thereafter, the server determines from the identification information (112-1#C), whether identification information of a next key to be used after identification information (112-1) is stored. The server determines that the identification information of the next key to be used after the identification information (112-1) is not stored, and obtains key information (111-2#S) and identification information (112-2#S) to identify key information (111-2) as the next key. The server encrypts the key information (111-2#S) and the identification information (112-2#S) using key information (111-1#S), and transmits encrypted data and identification information (112-1#S) to the on-vehicle device. |
| US09491145B2 |
Secure application delivery system with dial out and associated method
A system is provided to deliver an application, hosted by a private application provider system, over a network to a user device, comprising: an application delivery system that includes a first network interface, a network security interface and a second network interface; wherein the network security interface is configured to determine whether a user or device request for access to an application is valid, and in response to determining that the user or device request for access to the first application is valid, to send the user or device request to the application agent. |
| US09491144B2 |
Methods and apparatus for denial of service resistant policing of packets
Methods and apparatus for supporting secure packet communications, e.g., sRTP/sRTCP, which are resistant to denial of service attacks are described. A received packet is identified to correspond to a particular stream being received, the stream having a current expected set of packet sequence numbers, e.g., a current window including a next expected packet sequence number and at least one packet sequence number in the expected packet window on each side of the expected packet sequence number. Unencrypted information from the received packet, e.g., a received packet sequence number, is used to determine at least one of: to drop the received packet, or to assign the packet to one of a plurality of policing levels. If the packet passes policing at its assigned policing level, the packet may undergo authentication and decryption to determine if it is a valid packet. |
| US09491142B2 |
Malware analysis system
In some embodiments, a malware analysis system includes receiving a potential malware sample from a firewall; analyzing the potential malware sample using a virtual machine to determine if the potential malware sample is malware; and automatically generating a signature if the potential malware sample is determined to be malware. In some embodiments, the potential malware sample does not match a preexisting signature, and the malware is a zero-day attack. |
| US09491140B2 |
Method for switching gateways, and apparatus therefor
The present invention relates to a converged personal network service (CPNS). More particularly, the present invention relates to a method for switching a personal network (PN) gateway in a PN from a first device to a second device, including the steps of: the first device transmitting, to the second device, a first message requesting PN gateway switching; the first device receiving a second message from the second device in response to the first message; and the first device authenticating the PN gateway when the second message includes a value indicating success, as well as to an apparatus therefor. |
| US09491137B2 |
Methods of using beacon messages to discover devices across subnets
A method of discovering a device to be discovered in a communication network having multiple interconnected nodes includes transmitting, by a discoverer, at least one beacon signal including an IP address to the network. The device to be discovered receives the at least one beacon signal. The device to be discovered configures the IP address located in the at least one beacon signal. Additionally, the device to be discovered transmits an advertisement to a server specified by the discoverer. |
| US09491136B2 |
Systems and methods for network address translation
An intelligent network address translation system and methods for intelligent network address translation. In one embodiment, a network packet is received from a host device, and a stored record associated with the host device is identified. The stored record includes information relating to connection parameters associated with the host device. Using the stored record, a processor determines whether the network packet should be assigned a dedicated address. If so, then the network packet is transmitted using communication parameters including a dedicated IP address. If the packet should not be assigned a dedicated address, then the packet is transmitted using connection parameters including a default public IP address and a port number. |
| US09491135B1 |
Sub class C reverse domain name system zone compilation
A subnetted class C internet protocol (IP) address domain name system (DNS) reverse zone file compiling server. The server comprises a memory, a processor, and an application stored in the memory that, when executed by the processor, generates a class C IP address DNS reverse zone file associated with the starting class C internet protocol address based on the parsing of the plurality of subnetted class C IP address DNS reverse zone files, wherein the class C IP address DNS reverse zone file comprises an entry for each of assigned internet protocol addresses, wherein each entry for each of the assigned internet protocol addresses directly maps a domain name to an internet protocol address and does not indicate a DNS canonical name type. |
| US09491134B2 |
Messaging system and method
A method of cross-platform messaging including receiving, by a messaging system, at least one initial message having a message format, an initial message layout and data indicative of at least one user associated with the at least one initial message, and before delivery to a destination communication device associated with the at least one user, converting, by the messaging system, an initial message into an adapted message, and facilitating, by the messaging system, delivery of the adapted message to the destination communication device. The adapted message is characterized by, at least, an adapted message layout, and the adapted message layout differs from the initial message layout in a characteristic associated with respective message layout such as number of media objects, a graphical image of a media object, a size of a placeholder related to a media object, and a location of a media object within a respective message layout. |
| US09491132B2 |
System and method for providing push service for reducing network loads
Disclosed are a system for providing a push service including: a client device to receive a push message provided by a service providing device and provide a push service; and a push service device configured to transmit the push message provided by the service providing device to the client device, wherein at least one of the client device and the push service device is configured to attempt a reconnection mutually according to a predetermined reference, when a connection between the client device and the push service device is terminated. |
| US09491131B1 |
Push composer
Composing a push notification is disclosed. A first selection comprising at least an operating system of a first device is received. An interface configured to receive, from a user, instructions associated with the push notification is provided. At least a portion of the instructions is used to graphically render to a user how a display interface of the first device would display the push notification, in a first state, if it was received by that instance. |
| US09491129B2 |
Electronic mail delivery negotiation and rejection
Processing electronic mail can include receiving, within an electronic mail server, an electronic mail from a sender client system, sending acceptance criteria for a recipient of the electronic mail to the sender client system responsive to receiving the electronic mail, and receiving, within the electronic mail server, acceptance criteria values from the sender client system in response to the acceptance criteria for the recipient. Using a processor of the electronic mail server, a determination is made whether the acceptance criteria values comply with the acceptance criteria. Responsive to determining that the acceptance criteria values are non-compliant with the acceptance criteria, the electronic mail server rejects the electronic mail, wherein the electronic mail is not delivered to the recipient, and providing, to the sender client system, an indication of rejection of the electronic mail including a reason for non-compliance. |
| US09491127B2 |
Apparatus and method for automatically determining a version of a file
A method for versioning is provided. The method includes receiving a command to compose a primary communication, and receiving a command to include a secondary communication with the primary communication. The method also includes determining a version of the secondary communication, and transferring the primary communication, the secondary communication, and the version from a sending device for delivery to and display by a recipient device. |
| US09491126B2 |
Routing messages between applications
A system and method for enabling the interchange of enterprise data through an open platform is disclosed. This open platform can be based on a standardized interface that enables parties to easily connect to and use the network. Services operating as senders, recipients, and in-transit parties can therefore leverage a framework that overlays a public network. |
| US09491125B2 |
System and method for multi-channel delivery of transformed and augmented messages in real-time
In a system of interconnected enterprise apps, a business data object maintained by a server undergoes a life cycle event which triggers a message notification. All messages between client applications and the server are intercepted, and a configurable rules engine and message processing filters govern the transformation and delivery of each message according to each recipient's role, application, and login state. Messages can be enhanced by adding contextual information and details from other messages and/or information retrieved from enterprise back-end systems according to the rules. The transformation and delivery of messages occurs in real-time across multiple channels, platforms, and users. |
| US09491123B2 |
Streamlined messaging client provisioning system
A first enrolled user of a message transmission uses the system to transmit an invitation to a second user, who is not enrolled as a user of the system. The second user uses the invitation to download and install a messaging client onto the second user's local machine automatically. The system generates a unique ID for the second user automatically. The system executes the second user's messaging client and configures the second user's account and messaging client with the second user's unique ID and account information obtained from the second user. The system automatically transmits any message contained within the invitation to the second user upon completion of the previous steps. The system thereby minimizes the number of manual steps that must be performed by the second user to create an account and to configure the second user's messaging client for use with the message transmission system. |
| US09491122B2 |
Systems and methods for server and switch failover in a black core network
A black core network system and method, wherein the system includes a ciphertext network, a server having a bonding module and a plurality of network interfaces, a plurality of encryptor devices and one or more routers, wherein each router is connected through one or more of the server network interfaces to the server and through one or more encryptor devices to the ciphertext network. The server establishes, in the bonding module, a server gateway for each server network interface, selects a first network interface as primary link and a second server network interface as backup link, and sends routing metric information out through the primary link and the backup link, wherein sending includes sending metric information indicating that the cost of routing through the primary link is less than the cost of routing through the backup link. When the server receives, from one of the one or more routers, an indication that there is a link failure on the primary link, the server manipulates the server gateway for the second server network interface to direct traffic for the primary link out the second server network interface, wherein the second link becomes the new primary link and the server sends routing metric information out through the new primary link to the second router. |
| US09491121B2 |
Controllable virtual link aggregation internet protocol forwarding
Embodiments of the invention relate to controllable virtual link aggregation Internet Protocol (IP) forwarding. One embodiment includes forming a first virtual link aggregation (vLAG) between a first pair of switches for a first system that implements virtual router redundancy protocol (VRRP). A second vLAG is formed between a second pair of switches for a second system that implements VRRP. A VRRP role is forwarded by each switch of the first pair of switches and the second pair of switches to one another. The VRRP role is synchronized between each of the first pair of switches and the second pair of switches. VRRP packets are forwarded to particular switch ports of the first pair of switches and the second pair of switches. |
| US09491119B2 |
Network management systems for use with physical layer information
One exemplary embodiment is directed to a network management system that uses physical layer information in performing a network management function. Another exemplary embodiment is directed to a method of tracking channel compliance using physical layer information. |
| US09491113B2 |
Managing network connections for processing network resources
Systems and methods for the generation and management of content requests generated by client computing devices are provided. A client computing device initiates a browse session with a content provider by establishing a remote browse session between the client computing device and a network computing provider. The network computing provider can utilize profile information corresponding to the content provider to determine a number of concurrent network connections to establish with a content provider. The network computing provider and the client computing device exchange browse session state data and client interaction data. |
| US09491110B2 |
Method and device for securing data packets to be transmitted via an interface
A method for securing data packets to be transmitted via an interface includes determining a check number over at least a portion of a first data packet and at least one portion of a second data packet. For this purpose, the first data packet is arranged according to a transfer protocol in a first data frame and the second data packet is arranged according to the transfer protocol in a second data frame. |
| US09491107B1 |
Non-stop routing with internal session mirroring and adaptive application-level rate limiting
This application describes techniques for replicating data at a primary routing engine of a network device before processing the data at a transport layer of the primary routing engine, wherein the data is to be sent to a routing peer via a routing communication session, and sending the replicated data to a secondary routing engine of the network device to be processed at a transport layer of the secondary routing engine. The secondary routing engine, in response to detecting that a socket buffer for buffering the replicated data has reached a predefined high occupancy threshold, outputs a notification to the primary routing engine. In response to receiving the notification, an application-layer routing process of the primary routing engine refrains from sending at least some of a plurality of routing updates to the routing peer, and continues to send keepalive messages for the routing communication session to the routing peer. |
| US09491105B2 |
Method and apparatus for adaptive fast start in link aggregation
In one embodiment, a period between periodic transmissions of protocol data units (PDUs) used to form or maintain a link aggregation group is initially set to a fixed value. When a stress condition is detected, the period between periodic transmissions of PDUs is increased from the initial value. When the stress condition is determined to have eased, the period between periodic transmissions of PDUs is reduced back toward the fixed value. |
| US09491103B2 |
Introducing uncompressed packets in compression flow based on flow control
Methods and apparatus are described for introducing uncompressed data packets in to theinto a compression flow during compression for communication between a user equipment (UE) and a network entity, comprising placing a plurality of data packets in an uncompressed uplink queue of the UE; determining that an amount of data packets in a compressed uplink queue of the UE fails to satisfy a grant threshold; and transferring one or more of the plurality of data packets to the compressed uplink queue from the uncompressed uplink queue based on the determination that the amount of data packets in the compressed uplink queue fails to satisfy the grant threshold, wherein the one or more of the plurality of data packets in the compressed uplink queue are scheduled for transmission to the network entity as one or more uncompressed data packets. |
| US09491100B2 |
Method and device for updating routing lookup tree
A method and device for updating a routing lookup tree are provided. When it is determined that a routing lookup tree needs to be updated, a layer update indication table and node update information are determined according to updated entries; a layer is selected from the routing lookup tree as a current layer in sequence according to levels of layers, and if it is determined that the current layer needs to be updated according to the layer update indication table, the previous layer of the current layer in the routing lookup tree is locked, the node update information is synchronized to the current layer in the routing lookup tree, and so on, until it is determined that the current layer is the last layer needing to be updated according to the layer update indication table, and then this update of the routing lookup tree is ended. The method and device can reduce the time of blocking lookup when a routing lookup tree is updated, and avoid packet error or packet loss caused due to simultaneous update and lookup. |
| US09491098B1 |
Transparent network multipath utilization through encapsulation
Methods and apparatus for transparent multipath utilization through encapsulation are disclosed. Respective encapsulation packets are generated for at least two different baseline packets transmitted between a source and destination linked by multiple network paths. Each encapsulation packet comprises contents of a corresponding baseline packet, and one or more data values selected in accordance with a path balancing policy. The data values added to one encapsulation packet may differ from those added to another. Different network paths to the destination may be selected for different encapsulation packets of a given transmission based at least in part on the added data values. |
| US09491093B2 |
Distributing communication of a data stream among multiple devices
Methods, apparatus and articles of manufacture for distributing communication of a data stream among multiple devices are disclosed. Example methods disclosed herein include receiving a request from a primary device to establish a shared connection to distribute communication of a first data stream among a plurality of devices including the primary device and a plurality of secondary devices. Such example methods also include providing, in response to the request, network addresses to the primary device to be used to establish respective data connections with the plurality of devices. Such example methods further include splitting the first data stream into a plurality of partial data streams to be communicated respectively to the plurality of devices via the respective data connections, the partial data streams, when aggregated, forming the first data stream. |
| US09491086B2 |
Distributed network planning systems and methods
The present disclosure provides distributed domain network planning systems and methods. The network planning systems and methods include a distributed domain network planning system that adapts planning concepts to networks operated by modern distributed control planes, such as ASON/ASTN, GMPLS, etc. The network planning systems and methods operate on a multi-domain network utilizing a control plane and local planning systems associated with each individual domain in the multi-domain network. The network planning systems and methods also operate on a single domain network utilizing a control plane and local planning systems associated with the single domain network. The network planning systems and methods build on a distributed control plane philosophy that the network is the database of record. There is significant operational value to distributing the planning function of a large network using the systems and methods disclosed herein. |
| US09491085B2 |
Methods and apparatus to route control packets based on address partitioning
Methods and apparatus to route control packets based on address partitioning. A disclosed example method includes receiving a packet in a server, determining the packet is a control packet, forwarding the packet to a processor, identifying via the processor an address prefix of the packet, accessing a forwarding table and determining via the processor at least one of a router or an outgoing interface that corresponds to the identified address prefix, transmitting the packet from the processor to the server via the outgoing interface, and statically forwarding the packet from the server to the router based on an interface that received the packet from the processor. |
| US09491084B2 |
Monitoring path connectivity between teamed network resources of a computer system and a core network
A computer system monitors connectivity between a core network and two or more paths comprising a contiguous local area network segment. Each of the two or more paths couple at least one member of a team of network resources of the computer system to the core network. Each of the members of the team is configured to receive network management frames transmitted by one or more devices residing near or within the core network. A break in the connectivity between a path of the network segment and the core network is detected whenever the at least one member of the team coupled to that path fails to receive an expected one of the network management frames within a predetermined time period. |
| US09491083B2 |
Systems and methods of test packet handling
The present disclosure may include a method of handling test packets in an apparatus with a first unit communicatively coupled with a second unit. The method may comprise designating a test packet with type information, the type information indicating whether the test packet is handled by the first unit, the second unit, or either unit. The method additionally may include setting one or more bits of a register of the first unit to select whether the first unit will handle all of the test packets with type information designating either unit. The disclosure further includes associated systems and apparatuses. |
| US09491082B2 |
Main electronic device for communicating within a network and method for operating a main electronic device for communicating within the network
The present invention relates to a main electronic device for communicating within a network comprising an interface for enabling communication within the network and a controller for sending polling messages via the network to logical addresses via said interface in order to request information from at least one further electronic device.The present invention further relates to a method for operating a main electronic device for communicating within a network. |
| US09491081B2 |
Methods, systems, and computer readable media for generating test packets in a network test device using value list caching
Methods, systems, and computer readable media for generating test packets in a network device using value lists caching are disclosed. In one method, value lists are stored in dynamic random access memory of a network test device. Each value lists includes values for user defined fields (UDFs) to be inserted in test packets. Portions of each value lists are read into per-port caches. The UDF values are drained from the per-port caches using per-port stream engines to generate and send streams of test packets to one or more devices under test. The per-port caches are refilled with portions of the value lists from the DRAM and a rate sufficient to maintain the sending of the stream engine packets to the one or more devices under test. |
| US09491078B2 |
Identification and classification of web traffic inside encrypted network tunnels
The present principles are directed to identifying and classifying web traffic inside encrypted network tunnels. A method includes analyzing network traffic of unencrypted data packets to detect packet traffic, timing, and size patterns. The detected packet, timing, and size traffic patterns are correlated to at least a packet destination and a packet source of the unencrypted data packets to create at least one of a training corpus and a model built from the training corpus. The at least one of the corpus and model is stored in a memory device. Packet traffic, timing, and size patterns of encrypted data packets are observed. The observed packet traffic, timing, and size patterns of the encrypted data packets are compared to at least one of the training corpus and the model to classify the encrypted data packets with respect to at least one of a predicted network host and predicted path information. |
| US09491075B2 |
Method for latency measurement and apparatus therefor
End-to-end latency measurement scheme is discloses. In this scheme, the UE receives a request message from a network. This request message requests the UE to report transmission or reception timing information. And, the transmission or reception timing information may be for a latency measurement. Thereafter, the UE transmits the transmission or reception timing information to the network. |
| US09491070B2 |
Apparatus and method for utilizing fourier transforms to characterize network traffic
A non-transitory computer readable storage medium, comprising executable instructions to collect network traffic data, produce a Fourier signature from the network traffic data, associate the Fourier signature with a known pattern, collect new network traffic data, produce a new Fourier signature from the new network traffic data, compare the new Fourier signature with the Fourier signature to selectively identify a match and associate the new network traffic data with the known pattern upon a match. |
| US09491067B2 |
Timeout for identifying network device presence
Systems and techniques relating to identifying the presence of a network device are described. A described technique includes receiving, from the cache engine, a traffic flow and a series of notification signals, each indicating a presence of the cache engine, calculating a timeout value based on at least a time difference of two consecutive notification signals of the series of notification signals, updating, based on the calculated timeout value, a predetermined timeout period to an updated timeout period, and determining an absence of the cache engine when the updated timeout period that immediately succeeds the receiving of the series of notification signals elapsed without receiving an additional notification signal from the cache engine. |
| US09491064B2 |
System and method for providing dynamic provisioning within a compute environment
The disclosure relates to systems, methods and computer-readable media for dynamically provisioning resources within a compute environment. The method aspect of the disclosure comprises A method of dynamically provisioning resources within a compute environment, the method comprises analyzing a queue of jobs to determine an availability of compute resources for each job, determining an availability of a scheduler of the compute environment to satisfy all service level agreements (SLAs) and target service levels within a current configuration of the compute resources, determining possible resource provisioning changes to improve SLA fulfillment, determining a cost of provisioning; and if provisioning changes improve overall SLA delivery, then re-provisioning at least one compute resource. |
| US09491061B1 |
Isolation of objects representng server resources in browser using iframes
Method for web-based management of resources. On a cloud computing system, for groups of user resources, defining commonly managed subgroups. Accessing cloud-based control procedures of one subgroup using a dedicated communication channel. Control procedures reside on a server, and are visible with a single specified domain ID unique for the subgroup. Multiple domain IDs are used in one communication session. On the client, isolated windows for each domain ID contain graphical representation of local applications, and where applications of one window share local data and are connected to control procedures using the same domain ID. Managing user resources through control procedures that are controlled by the applications. Only one of the isolated windows is activated at any one time on the user's computer. |
| US09491059B2 |
Topology navigator for IT services
Techniques are disclosed for providing a topology navigator that may enable a user to view performance information for multiple IT services associated with a user's IT environment. The topology navigator may include multiple display components for displaying information about the services. A first display component may display multiple services as a graph of interdependent service nodes and a second display component may display information about one or more of the service nodes. The topology navigator may enable a user to visually inspect the aggregate KPI (e.g., health score) of multiple services to identify dependent services that are of interest (e.g., low performance) and navigate through the services to identify dependent services that may adversely affect a service of interest to the user. In one example, the second display component may display key performance indicators (KPIs) associated with the dependent service and the user may select one or more of the KPIs to add them to another display component for further analysis. |
| US09491058B2 |
Label distribution protocol over segment routing
A method and apparatus for forwarding packets through a network domain that contains nodes that are label distribution protocol (LDP) enabled and nodes that are segment routing (SR) enabled. In one embodiment, the method may include a network node receiving a packet with a label attached thereto. The node swaps the label with a segment identifier (ID). The node then forwards the packet to an SR node. In another embodiment, the method may include a network node receiving a packet with a segment ID attached thereto. The node swaps the segment ID with a label. The node then forwards the packet to an LDP enabled node. |
| US09491057B2 |
Transmitting data packets in a data network with a multiplicity of network nodes
Systems and methods for transmitting data packets in a data network comprising a multiplicity of network nodes are provided. A routing topology associated with a respective network node is ascertained, wherein the routing topology describes paths for forwarding data packets between the respective network node and each other network node in the data network on the basis of links between adjacent network nodes. A piece of routing information with the identification of the respective routing topology is produced and is stored in the respective network node. A data packet transmitted from a source network node to a destination network node specifies the identification of the routing topology to be used for the transmission, wherein each network node that forwards the data packet uses the routing information stored on each network node with the identification of the routing topology for the data packet. |
| US09491056B1 |
Methods and apparatus for protocol independent model to provide event-based discovery
Methods and apparatus for providing a storage resource management application having a protocol independent model for event-based discovery. In response to an event, discovery is performed using a protocol independent ontology model. |
| US09491055B1 |
Determining user communities in communication networks
What is disclosed is a method of operating a communication network, where the communication network comprises a set of users. The method includes obtaining usage activity for each of the users of the set and processing the usage activity to determine connectivity information between individual ones of the users of the set. The method also includes processing the connectivity information to determine users of the set with similar connectivity, and processing the users of the set with similar connectivity to identify a community of users within the users of the set with similar connectivity. The method also includes monitoring at least one of the users in the community to determine if action is needed for at least another one of the users in the community. |
| US09491051B2 |
Centralized adjustment of data rates in mesh networks
In one embodiment, a method is disclosed in which a device receives data regarding a topology of a network. Traffic data for one or more data links in the network and performance data for the one or more data links are also received. A data rate change is simulated for the one or more data links using the topology data, traffic data, and performance data. Based on the simulated data rate change, a data rate change command is provided to one or more nodes associated with the one or more data links. |
| US09491039B2 |
Method and apparatus for diagnosing faults in a hybrid internet protocol network
An Ethernet switch can receive an internet protocol query packet generated by a receiver for collecting telemetry data between a source and the receiver in a multicast network, translate the internet protocol query packet to an Ethernet query packet, collect in the Ethernet query packet telemetry data from the Ethernet switch where at least one telemetry field of the Ethernet Switch includes an arrival time of the Ethernet query packet at the Ethernet switch, and submit the Ethernet query packet to the next network element of the multicast network. An internet protocol router can receive an Ethernet query packet generated by an Ethernet switch having at least one field for telemetry for collecting telemetry data between a source and a receiver, translate the Ethernet query packet to an internet protocol query packet, and submit the internet protocol query packet to the next network element. Additional embodiments are disclosed. |
| US09491038B2 |
Content virality determination and visualization
Various techniques of content virality determination and visualization are disclosed herein. For example, a method of determining network content virality metric includes constructing a diffusion cascade for a computer network content based on a plurality of time points at which individual users adopt the network content and connection information of the users. The method also includes calculating, with a processor, a virality metric of the network content based on a structural characteristic of the constructed diffusion cascade. Based on the calculated virality metric, one may determine if the network content is viral. |
| US09491033B1 |
Automatic content transfer
A computing system with multiple devices local to an environment facilitates active transfer among the multiple devices as a user moves about the environment. The devices may sense a presence or non-presence of the user and attempt to coordinate transfer to a device proximal to the user. In another implementation, the devices may communicate with a remote system that monitors a location of the user within the environment and causes content associated with the user to transfer between computing devices of the system based on the location and movement of the user. |
| US09491030B2 |
Phase rotation correcting method and phase rotation correcting apparatus
A phase rotation correcting method includes receiving a signal modulated by a multi-value modulation method; recognizing a position of a symbol point of the received signal on an IQ plane; performing phase rotation for rotating a phase of the symbol point of the received signal toward an I axis or a Q axis in accordance with the recognized position and calculating, as an amount of phase rotation correction, a value on an axis different from the axis toward which the phase of the symbol point has been rotated by the phase rotation; and correcting phase rotation of the symbol point by using the calculated amount of phase rotation correction. |
| US09491027B2 |
Miniature mobile marker system and method
A small, portable signal generator provides a unique marker signal modulated with a selectable number of degrees of freedom for insertion into a portion of a broadband communication system (BCS) such as a subscriber installation site that may or may not be connected to the remainder of the BCS. If payload signals are not present or brief interference with payload signals is tolerable, a high level marker signal may be injected with level control upon detection of an egress signal to detect very minor leakage sources and thus increase quality of the qualification of installation or repairs. If payload signals are present, marker signals are held to non-interfering levels and frequencies. Authentication of a signal received through an antenna is expedited and increased in confidence level by synchronization of the marker signal modulation pattern and the signal detector in a receiver. |
| US09491024B2 |
Methods for frequency offset estimation with Zadoff-Chu sequences
A method for performing high speed mode detection of a carrier frequency offset (CFO) includes receiving a Zadoff-Chu signal at a wireless device, and determining a plurality of correlation peaks based on a correlation of the signal with one or more known Zadoff-Chu sequences. The method includes determining a carrier frequency offset (CFO) associated with the signal based on a phases associated with the plurality of correlation peaks and a coarse CFO estimate. The coarse CFO estimate may be determined based on a squared power ratio of particular pairs of the plurality of correlation peaks and the phases may be used to remove ambiguity associated with the coarse CFO estimate. |
| US09491015B2 |
Three-wire three-level digital interface
A receiver for a three-wire digital interface, a method for operating a three-wire digital interface, a signalling system comprising the receiver, and a wireless communication device comprising the signalling system. The receiver for a three-wire digital interface comprises a first resistive element coupled between a first input terminal and a first junction node, a second resistive element coupled between a second input terminal and a second junction node, and a third resistive element coupled between a third input terminal and a third junction node. A network comprising first second and third network terminals is coupled to first, second and third junction nodes. The network has substantially the same impedance between all pairs of the first, second and third network terminals. |
| US09491014B1 |
Compact duty modulator
Switching logic receives an input signal and a frequency divided signal and generates switching signals. A delay modulator receives the switching signals and generates a high output when a first node voltage is greater than a second node voltage and low output otherwise. An XOR gate receives the delay modulator's output and the frequency divided signal and produces a final output that is high when one of them is low and the other high and low otherwise. A duty ratio of the final output depends on a ratio of a slope of the first node voltage to a slope of the second node voltage. |
| US09491009B1 |
Full bridge decision feedback equalizer
A decision feedback equalizer (DFE) is provided. The DFE includes an analog front end, configured to receive a digital communication signal having amplitude modulation greater than two-level, and to output a feedforward signal based on the digital communication signal. The DFE includes a summing block, configured to receive the feedforward signal, a plurality of delayed data decisions as digital signals, and a plurality of adapted coefficients. The summing block is configured to produce an analog feedback signal as an analog subtraction from the feedforward signal of each of the plurality of delayed data decisions multiplied by a corresponding one of the plurality of adapted coefficients. The DFE includes a delay chain configured to produce the plurality of delayed data decisions based on the analog feedback signal, each of the plurality of delayed data decisions having two or more bits, corresponding to the amplitude modulation being greater than two-level. |
| US09491007B2 |
Apparatus and method for antenna matching
A method and apparatus are for performing antenna matching and include determining a cable connection state of a cable connector, generating a cable detection signal that indicates the cable connection state, and modifying impedance transform of a tunable matching circuit in response to the cable detection signal. The cable detection signal indicates one of a presence and an absence of a cable connector. The tunable matching circuit couples a transceiver and an antenna. The tunable matching circuit couples the selected impedance transform between the transceiver and the antenna. The apparatus is a radio communication device that includes a transceiver, a processing system, an antenna, a tunable matching circuit, an input/output section, a cable connector, and a sensor. |
| US09491004B2 |
Method and apparatus for providing service using user identification in wireless communication system
A method and apparatus for providing a service from a voice-service dedicated terminal to a data-service dedicated terminal by using user identification information of a mobile terminal user in a wireless communication system are provided. The method includes generating a message including an identification of a receiving-side terminal and a service type of the message, and transmitting the generated message to a service server. |
| US09491002B1 |
Managing communications involving external nodes of provided computer networks
Techniques are described for managing communications for a managed virtual computer network overlaid on a distinct substrate computer network, including for communications involving computing nodes of the managed virtual computer network connected to the substrate network and/or other external nodes of the managed virtual computer network that are not connected to the substrate network. The managed virtual computer network may have multiple associated virtual network addresses, and the managing of the communications may further include using one or more edge modules to direct all communication that have a destination virtual network address within a range or other group of multiple virtual network addresses assigned to one or more external nodes to be forwarded over the substrate network to an edge module associated with the one or more external nodes, including to route communications between different external nodes via the substrate network. |
| US09491000B2 |
Data transport system, transmission method, and transport apparatus
A data transport system comprises transport apparatus and at least one computer. The transport apparatus construct a second network coupled to a first network which is constructed by a communication apparatus. A logical path is built between a first transport apparatus and the computer. The first transport apparatus is configured to: hold management information, which associates identification information of a port with logical path identification information; refer to the management information to identify the logical path identification information that is associated with the port through which the control information has been received; and assign the identified logical path identification information to the control information, and transmit the control information over the logical path. The computer assigns the logical path identification information assigned to the control information to response information, and transmits the response information to the second network. |
| US09490993B1 |
Method of collecting and employing information about parties to a televideo conference
Improvements in a method for creating an intelligent routing and criteria-based matching system, so that people may be matched for conferencing to each other by pre-determined matching of their characteristics and their requirements. The invention makes it possible to connect individuals who may or may not have been known to each other previously, and who may be routed to each other based on being good fits to collaborate in the stated business or social setting or other reason for dealing with another person in a video conference meeting. The invention makes it possible for suppliers of services over the video conference medium to be connected to individuals who want these services. The system takes into account the business rules and preferences of all individuals involved, so that intelligent business service collaboration may take place between parties based on pre-set criteria. |
| US09490987B2 |
Accurately classifying a computer program interacting with a computer system using questioning and fingerprinting
Methods, systems, and computer program products for accurately classifying a computer program interacting with a computer system using questioning and fingerprinting are provided. A computer-implemented method may include issuing a challenge to an application interacting with a computer system to determine whether activity performed by the application is scripted, analyzing data associated with a result of the challenge to determine whether the result is at least partially correct, and computing a reputation score for the application based on the result of the challenge. A computer-implemented method also may include comparing the reputation score for the application to a threshold for identifying non-scripted activity, and determining that the activity performed by the application is scripted when the reputation score for the application does not meet the threshold for identifying non-scripted activity. |
| US09490980B2 |
Authentication and secured information exchange system, and method therefor
Identity based encryption (IBE). An IBE server assigns a private and public key pair to a client device based on a unique identification of the client device. To establish an encrypted session with the client device a server device requests the client device's public key from the IBE server. Authentication of the client and the server by the IBE server is based on credentials or a token. Assigned keys are securely stored in an embedded trusted platform provided in the client device. |
| US09490975B1 |
Information assurance for networked systems
A system and method are disclosed for information assurance for networked systems. The system and method involve a quantum key distribution (QKD) source, a gimbaling device, a receiver, and a sender. The QKD source is mounted on the gimbaling device, and the QKD source propagates energy into an oversized spot beam. The receiver and the sender are within optical communication of each other. The gimbaling device performs pointing acquisition tracking only as necessary to keep the receiver located within the oversized spot beam. When the receiver is located within the oversized spot beam, the QKD source performs a QKD function. In one or more embodiments, the gimbaling device is mounted on a mobile platform. In some embodiments, the mobile platform is mounted on an unmanned aerial vehicle (UAV). In other embodiments, the mobile platform is mounted on a small ground vehicle. |
| US09490969B2 |
Transmission apparatus, reception apparatus, and transmission and reception system
A transmission apparatus transmits a data signal to a reception apparatus with use of a first clock generated on the basis of a clock signal given to the transmission apparatus. The transmission apparatus changes an operation band of a PLL section to an operation band including a frequency of the clock signal which frequency has been measured with use of a second clock independent of the first clock. The transmission apparatus provides the reception apparatus with band information indicative of the operation band to which the operation band of the PLL section has been changed. |
| US09490968B2 |
CDR voter with improved frequency offset tolerance
An improved clock data recovery circuit is provided which provides lower bit error rates and faster locking times. In an embodiment, the circuit includes a voter having one or more voter inputs. The voter may generate up votes indicative of a recovered clock having a negative phase offset relative to a given voter input, or down votes indicative of the recovered clock having a positive phase offset. The circuit may include a comparator configured to output a phase adjustment signal and a tie signal. The circuit may further include an M-depth shift register and a multiplexer configured to select either the phase adjustment signal or an output from the shift register as a multiplexer output. The circuit may further include a flip-flop that generates a phase adjustment output signal. The shift register may receive the phase adjustment output signal at a data input of the shift register. |
| US09490966B2 |
Frequency planning for digital power amplifier
Systems and techniques relating to wireless communication devices and digital power amplifiers include, according to an aspect, an apparatus including: processor electronics; transceiver electronics coupled with the processor electronics, the transceiver electronics including modulation circuitry and a digital power amplifier coupled with the modulation circuitry; a clock source coupled with the transceiver electronics to provide a clock signal from the clock source to the digital power amplifier at a sampling clock frequency; a local oscillator coupled with the transceiver electronics to provide a local oscillator signal from the local oscillator to the modulation circuitry at a local oscillator frequency; and one or more antennas coupled with the digital power amplifier in the transceiver electronics; wherein the local oscillator frequency is an integer multiple of the sampling clock frequency; and wherein a parasitic frequency response of circuitry in the transceiver electronics acts as an implicit out-of-band filter to remove alias signals. |
| US09490963B2 |
Signal cancellation using feedforward and feedback paths
A circuit that cancels a self-interference signal includes, in part, a pair of signal paths that are substantially in phase, each of which paths includes a passive coupler, a delay element and a variable attenuator. The circuit further includes, in part, a first group of P signal paths each of which is substantially in phase with the pair of paths, a second group of M signal paths each of which is substantially out-of-phase relative to the pair of signal paths, and at least a pair of feedback paths. Each of the P and M signal paths, as well as the feedback paths includes a delay element and a variable attenuator. Optionally, each of the M signal paths is optionally 180° out-of-phase relative to the pair of signal paths. |
| US09490959B2 |
Method for transmitting channel state information in wireless access system and terminal therefor
Disclosed is a method for transmitting channel state information (CSI) in a wireless access system supporting carrier aggregation/multiple cells and a terminal therefor. Specifically, the method comprises the steps of: if a collision occurs between starting points of periodic CSI reports for first and second cells, calculating the number of resource elements using the biggest bit size among CSI bit sizes for first and second cells; adjusting the bit of the CSI with the highest priority among the CSIs of the first and second cells to match the biggest bit size; transmitting, to the base station, the adjusted bits of the CSI with the highest priority, which have been mapped to the calculated resource element. |
| US09490957B2 |
Method and apparatus for transmitting channel state information in multi-node system
There are provided a method and apparatus in which user equipment transmits channel state information. The method includes reserving a plurality of configured Physical Uplink Control Channel (PUCCH) resources through which channel state information can be transmitted, receiving a plurality of reference signals, generating channel state information by measuring each of the plurality of reference signals, and transmitting the channel state information about each of the plurality of reference signals through the plurality of PUCCH resources. |
| US09490954B2 |
Method and apparatus for allocating a control channel resource of a relay node in a backhaul subframe
A method and an apparatus for configuring a control channel between a first transceiver and a second transceiver in a communication system are provided. The method includes generating, by the first transceiver, a signaling message including information for the control channel; transmitting, by the first transceiver, the signaling message including information for the control channel to the second transceiver; generating, by the first transceiver, the control channel based on the information for the control channel; and transmitting, by the first transceiver, the generated control channel to the second transceiver at a subframe configured as a subframe associated with the control channel, wherein the information for the control channel includes resource assignment information, and information regarding that if interleaving is applied. |
| US09490953B2 |
Method and system for dynamic allocation of resources in a cellular network
One example method is provided for dynamic allocation of air interface resources in a cellular network. The method can include at least three wireless cells located within a geographical proximity of each other. The method can include determining, by a central managing entity, one or more classification rules for classifying each of said plurality of mobile devices according to the one or more classification rules. The method can also include providing, by the central management entity, to a group of base stations associated with the at least three cells, information that can include, at least in part, information that relates to the determined one or more classification rules and information that relates to semi-static allocation of blocks of air interface resources for use by one or more specific members of the group of base stations. |
| US09490952B2 |
Method for transmitting and receiving system information via a broadcast channel (BCH) and a downlink shared channel (DL—SCH)
A method including receiving, by a user equipment (UE), a block of first system information from a base station via the BCH, and receiving, by the UE, a first block of second system information from the base station via the DL_SCH. The first block of second system information is scheduled with a fixed time offset. The method further includes receiving, by the UE, a plurality of second blocks of second system information from the base station via the DL_SCH in accordance with scheduling information included in the first block of second system information. The first block of second system information includes the scheduling information, value tag information, and cell access related information. The cell access related information includes at least one of Public Land Mobile Network (PLMN) identity information, tracking area information, and cell barred information. A specific control channel indicates frequency and time information. |
| US09490948B2 |
Method and apparatus for video aware bandwidth aggregation and/or management
A communication network's bandwidth may be managed using bandwidth management (“BWM”) and/or bandwidth aggregation (“BWA”) techniques. For example, packets of traffic may be inspected to identify a video stream and/or video sub-streams. The video sub-streams may be partitioned for transmission. For example, the video sub-streams may be partitioned based on a characteristic and/or policies associated therewith. One or more radio access technologies (“RATs”) may be selected for transmitting the video sub-streams. The one or more RATs may be selected according to one or more policies for managing the bandwidth associated with the video. The video sub-streams may be transmitted via a single RAT or a plurality of aggregated RATs. |
| US09490947B2 |
Method for reporting downlink channel state and apparatus therefor
Provided is a method for reporting, by a user equipment, channel state to an eNodeB in a wireless communication system, the method comprising: receiving a request for an aperiodic channel state report and information on a configuration of a mode of the aperiodic channel state report; and transmitting the aperiodic channel state report through an uplink data channel according to the request and the configuration, wherein, if a bandwidth allocated for uplink is less than a predetermined bandwidth, only the aperiodic channel state report is transmitted through the uplink data channel, and wherein the predetermined bandwidth is set per mode of the aperiodic channel state report. |
| US09490945B2 |
Method of establishing multiple links with multiple component carriers
A method of establishing multiple links with multiple component carriers comprises establishing a first link corresponding to a first component carrier by performing an RRC procedure, to a mobile device, wherein the type of the first RRC procedure is an RRC connection establishment procedure, a handover procedure, or an inter-RAT handover procedure; and establishing at least a link corresponding to at least a component carrier other than the first component carrier by performing a second RRC procedure which is initiated by transmitting a first RRC message to the mobile device via the first link, to the mobile device, wherein the type of the second RRC procedure is an RRC connection reconfiguration procedure or a handover procedure, and the first link established by the first RRC procedure and the at least a link established by the second RRC procedure are configured with the same C-RNTI for PDCCH receptions. |
| US09490942B2 |
Method and terminal for transmitting and receiving physical uplink data channel mapping information
The present disclosure relates to a wireless communication system. The wireless communication system includes a transmission and reception point and a terminal. The transmission and reception point and the terminal perform cooperative communication. |
| US09490938B1 |
Systems and methods for performing iterative interference cancellation
Systems and methods are provided for performing iterative interference cancellation. The systems and methods include receiving a plurality of codewords and processing the plurality of codewords using a channel decoder to obtain a decoder output. The systems and methods further include determining, based on the decoder output, whether a stopping criterion is satisfied, and cancelling interference from the plurality of codewords based on the decoder output in response to determining that the stopping criterion is not satisfied. |
| US09490934B2 |
Managing crosstalk in DSL system
Methods, systems, and apparatus for crosstalk avoidance in a telecommunications network are disclosed. In one aspect a method includes determining, by a network element and for each vectoring group from multiple vectoring groups, a transmission load of the vectoring group based on transmission loads of links within the vectoring group; identifying, by the network element, a resource allocation interval (RAI) that is shared by the multiple vectoring groups; determining, based on the transmission load of each vectoring group and by the network element, a first portion of the RAI that will be a normal operation interval (NOI) and a second portion of the RAI that will be a discontinuous operation interval (DOI); transmitting, by the network element, data over all of the multiple vectoring groups during at least a portion of the NOI; and transmitting, by the network element, data over fewer than all of the vectoring groups during the entire DOI. |
| US09490933B2 |
Electronic device and method for removing interferential signals of mobile device
In a method for removing interferential signals of a mobile device, an original communication signal waveform of the mobile device is acquired. A differential signal waveform corresponding to each signal frame in a group is generated, and a DPPPV of the differential signal waveform is acquired. The differential signal is determined to be an interferential signal, in response to that the DPPPV is not less than a calculated differential threshold value, and a DNPPV at a target time point is not less than a preset ratio of the DPPPV. A signal interference section is determined and compensation values corresponding to the signal interference section is calculated, to generate a differential compensation waveform of the signal frame. An integrated differential compensation waveform of all signal frames and the original communication signal waveform are incorporated to obtain a processed signal waveform without interferential signals. |
| US09490932B2 |
Burst signal receiving apparatus and method, PON optical line terminal, and PON system
The present invention relates to a receiving apparatus 20 that receives burst signals, each including a synchronization section and a data section following the synchronization section, from a plurality of sources in a time division manner. The receiving apparatus 20 includes amplifying units 102 and 113 that amplify each burst signal; a detecting unit 116 that detects arrival of the burst signal from an output signal from the amplifying units 102 and 113; a comparing unit 104 that compares the output signal from the amplifying units 102 and 113 with a predetermined threshold value and outputs a binary signal; and a control unit 108 that sets the timings of changing a receive function during the synchronization section by adding delay times Dai and Dbi to a detection time point where the detecting unit 116 performs an output. The control unit 108 is configured to be able to change the delay times Dai and Dbi in a plurality of ways. |
| US09490929B2 |
Method and apparatus for protecting fiber optic distribution systems
A fiber optic network has alarmed fiber optic lines in the cables connecting a secured junction box to plural user lock boxes. An outgoing alarm line and return alarm line in each cable connect the junction box to each user box. The outgoing alarm line is looped to the return alarm line inside the user lock box. The return alarm line is looped to the outgoing alarm line of a different cable inside the junction box to interconnect a plurality of alarm lines passing through a plurality of user boxes. A detector detects an alarm signal in the connected alarm lines to trigger an intrusion alarm. |
| US09490928B2 |
Arrayed waveguide grating based modular interconnection networks and methods for constructing and applying the same
An arrayed waveguide grating (AWG) based interconnection network and modular construction method, comprising N1 left nodes, with each left node having N2 ports, N2 right nodes, with each right node having N1 ports, where N1≧N2, N1 and N2 having a greatest common divisor r, and each port having an optical transceiver associated with a fixed wavelength; N1n2 r×1 wavelength multiplexers having their input ports respectively connected with the ports of N1 left nodes, where n2=N2/r; N2n1 1×r wavelength demultiplexers having their output ports respectively connected with the ports of N2 right nodes, where n1=N1/r; n1n2 r×r AWGs connecting the r×1 wavelength multiplexers and the 1×r wavelength demultiplexers r×rn1n2, and each of the r×r AWGs being associated with a wavelength subset {λk|k=0, 1, . . . , r−1}. |
| US09490923B2 |
Detection of time division duplex downlink/uplink configuration
A user equipment (UE) in a cellular telecommunications system is able to detect the uplink/downlink configuration of a detected neighboring cell by receiving a signal from the neighboring cell. A characteristic of the received signal is detected and used as an indicator in a blind detection process to identify one or more downlink slots in the received signal. Known pilot signals in the identified one or more downlink slots can then be used to obtain a signal power measurement of the received signal. The blind detection process is also capable of detecting whether a slot of a neighboring cell's signal is a downlink unicast slot or a Multicast-Broadcast Single Frequency Network slot. |
| US09490921B2 |
Method and test station for radio production test
The embodiments disclose a method and test station for radio production test with respect to one and more TDD radio units, which are tested by the respective test stations simultaneously. The method comprises assigning a test case in a test suite with a time fragment which is used to executed the test case by a test station, the execution of the test case will not be interrupted within the time fragment; obtaining the execution information of the test cases being executed by other test stations; determining whether there is an interference between the execution of the test case and the execution of the test cases being executed by the other test stations based on the executed information; and executing the test case when determining that the interference will not present. |
| US09490918B2 |
Zero division duplexing MIMO backhaul radio with adaptable RF and/or baseband cancellation
A intelligent backhaul radio is disclosed, which can operate by zero division duplexing for use in PTP or PMP topologies, providing for significant spectrum usage benefits among other benefits. Specific system architectures and structures to enable active cancellation of multiple transmit signals at multiple receivers within a MIMO radio are disclosed. Further disclosed aspects include the adaptive optimization of cancellation parameters or coefficients. |
| US09490917B2 |
Derived receive signal processing
Apparatus for and method of processing radio frequency signals, the method including: obtaining a signal indicative of a first frequency (e.g. by obtaining a sample of a transmitted signal), the first frequency being a frequency of the transmitted signal; and using the signal indicative of a first frequency, establishing a second frequency depending on the first frequency, the second frequency being a frequency to which to tune a filter for filtering a received signal. An antenna for receiving and/or transmitting a signal may be a co-site antenna with respect to at least one other antenna. |
| US09490916B2 |
Communication apparatus
According to an embodiment, a communication apparatus includes a substrate, a first communication unit, a first signal line, a first terminal, a second signal line, a variable capacitance portion, and an inductor portion. The substrate is provided with a reference potential electrode. The first communication unit transmits and receives. One end of the first signal line is connected to the first communication unit. The first terminal is connected to the other end of the first signal line. The second signal line is connected to the first signal line through the first terminal. One end of the variable capacitance portion is connected to the other end of the second signal line. One end of the inductor portion is connected to the other end of the variable capacitance portion. The communication apparatus executes communication through a living body. |
| US09490912B2 |
Systems and methods for transmitting routable optical energy packets
A system for transmitting routable energy packets includes an optical power source and a processing circuit. The optical power source is configured to generate an optical power packet having optical energy, generate an optical data packet comprising routing information configured to control a route of the optical power packet, and transmit the optical power packet and the optical data packet via a conduit. The processing circuit is configured to generate the routing information to be transmitted within the optical data packet, and control a transmission by the optical power source. |
| US09490904B2 |
Digital optical modulator for programmable n-quadrature amplitude modulation generation
An optical transceiver comprising an optical signal input, a first modulation section coupled to the optical signal input, a second modulation section coupled to the optical signal input and positioned in serial with the first modulation section, wherein the first modulation section comprises a first digital electrical signal input, a first digital driver coupled to the first digital electrical signal input, and a first modulator coupled to the first digital driver, and wherein the second modulation section comprises a second digital electrical signal input, a second digital driver coupled to the second digital electrical signal input, and a second modulator coupled to the second digital driver, and an optical signal output coupled to the first modulation section and the second modulation section. |
| US09490902B2 |
Optical power system for digital-to-analog link
An optical power supply includes a plurality of lasers each providing an output at a respective optical wavelength and optical power and a plurality of optical splitter groups, each comprising an input associated with a respective one of the plurality of lasers and splitting the input into a plurality of outputs each having an output power approximated by Power n = 1 x n Power input , where: x is an integer greater than 1; n is a number of the outputs of the optical splitter group and n=1 . . . m; m is a total number of outputs of the optical splitter group; Powern is the output power of the nth output; and Powerinput is the optical power of the output of the laser received at the input of the optical splitter group. |
| US09490901B2 |
Bias monitoring method and apparatus and transmitter
A bias monitoring method and apparatus and a transmitter, the bias monitoring apparatus being used for monitoring deviation of a direct current bias point of an optoelectronic modulator and including: a first signal processing unit configured to perform first signal processing on an electric driving signal inputted into the optoelectronic modulator, so as to output a reference signal; a second signal processing unit configured to perform second signal processing on an electric output signal obtained based on an optical signal outputted by the optoelectronic modulator, so as to output a monitoring signal; and a monitoring signal calculating unit configured to calculate correlation between the reference signal and the monitoring signal, and output a calculation result of the correlation as a bias monitoring signal. The sensitivity of the bias monitoring apparatus may be improved, and complexity of hardware may be lowered. |
| US09490888B2 |
Codebook based channel information feedback method, device and system
A codebook based channel information feedback method, device and system are provided in the present invention. The codebook based channel information feedback method includes: measuring, by a terminal in a communication system, a parameter of a downlink channel between the terminal and a base station of the communication system; selecting a plurality of precoding matrixes from a precoding codebook by using the parameter of the downlink channel, wherein a plurality of the precoding matrixes can be used by both of single-user multi-input multi-output (MIMO) transport mode and multi-user MIMO transport mode, and the precoding codebook is an aggregation of precoding matrixes; and feeding back a first information for indicating a plurality of the precoding matrixes to the base station. |
| US09490884B2 |
Method and device for activating uplink closed loop transmit diversity
Disclosed are a method and device for activating uplink closed loop transmit diversity (UL CLTD). The method comprises: a NodeB receives configuration information for the UL CLTD from a radio network controller, wherein the configuration information for the UL CLTD comprises an information element carrying the initialized UL CLTD active status, and the information element carrying the initialized UL CLTD active status is used for indicating an active status to be used when the NodeB activates the UL CLTD of a user equipment (UE); the NodeB activates the UL CLTD of the UE using the active status indicated by the information element carrying the initialized UL CLTD active status. The disclosure solves the problem in the prior art of the unclearness of which active status is to be used as the initialized active status, so as to ensure the implementation of the UL CLTD function. |
| US09490883B2 |
Method, apparatus and computer program for controlling a wireless device
A double structured codebook is described that has a wideband codebook portion C(W1) and a frequency-selective codebook portion C(W2). Portion C(W2) is characterised in that for at least one rank index RI, each codeword of C(W2) is uniquely distinguished over all other codewords of C(W2) by at least two beam selection vectors per layer. A device (UE, eNB, etc) utilises the at least two different beam selection 10 vectors per layer to uniquely select a codeword W2 from C(W2) (404); and constructs a pre-coder W from the selected codeword W2 and from another codeword W1 selected from the wideband codebook portion C(W1) for signalling channel conditions (406). An additional co-phasing term for ensuring orthogonality can be utilised with the beam selection vectors per layer to uniquely select the codeword from C(W2), and the two different beam selection vectors per layer correspond to different polarizations (410). |
| US09490879B2 |
Uplink control signaling in cellular telecommunication system
A method, apparatus, and computer program for controlling allocation of control message fields in uplink transmission in a cellular telecommunication system are presented. Uplink control message fields are allocated to the resources of a physical uplink shared traffic channel according to an uplink transmission scheme selected for a user terminal. The control message fields are allocated so that transmission performance of the control messages is optimized for the selected uplink transmission scheme. |
| US09490871B2 |
Fault localisation
Proposed is an improved method of determining the location of a common fault on a line in a telecommunications network. An overall performance measure is generated for each of the lines in the network based on various electrical measurements, highlighting potentially faulty lines. Nodes within the network also have a performance measure calculated based on the performance measures of the lines passing through the node. Examples of nodes include cross connection points, junction boxes, cabinets, and sections of cabling. A common faulty node is identified from all nodes along a line, based on the overall performance measures associated with those nodes. Then, all other faulty lines running through that node are identified. A distance to fault measurement is estimated for each of the identified faulty lines, using capacitance measurements for each line. A common fault location is determined based on aggregating the estimated distances to fault calculated for each of the identified faulty lines. |
| US09490870B2 |
Signal transmission arrangement with a transformer and signal transmission method
In accordance with an embodiment, a sender circuit is configured to be coupled to a receiver circuit and generate a drive signal dependent on a data input signal received by the sender circuit at a first input and dependent on at least one drive signal generation parameter. The sender circuit is further configured to adjust the at least one drive signal generation parameter dependent on a feedback signal received at a second input. |
| US09490868B2 |
Apparatus and method for transmitting data using human body
An apparatus and method for transmitting data using a human body. The apparatus includes a parallel bit stream generation unit, a frequency selective spreading unit, a matched filter unit, and a transmission filter unit. The parallel bit stream generation unit outputs a parallel bit stream for an input serial bit stream. The frequency selective spreading unit divides the parallel bit stream into a preset number of bit groups, generates a single code vector by combining orthogonal code vectors corresponding to the respective bit groups, and shifts the center frequency of a transmission signal by spreading the single code vector using a frequency shift code. The transmission filter unit meets a transmit mask for the transmission signal. |
| US09490866B2 |
Passive leakage cancellation networks for duplexers and coexisting wireless communication systems
A passive cancellation network may include a transmit input having a configuration that passively receives a transmit signal from a transmitter that is to be wirelessly transmitted; a transmit output having a configuration that passively delivers the transmit signal after processing by the passive cancellation network; a receive input having a configuration that passively receives a receive signal that includes undesirable leakage from the transmit signal; a receive output having a configuration that passively delivers the receive signal after processing by the passive cancellation network; and a passive feed forward cancellation circuit that passively cancels at least a portion of the undesired leakage from the transmit signal in the receive signal in a feed forward manner. |
| US09490863B2 |
Provision of linearity enhancement for RF communication devices
A switch is provided, the switch including one or more banks of transistors fabricated on a substrate, wherein body terminals of the transistors in each bank are configured to be individually controlled to have respective body voltages. The values of the body voltages are determined to provide optimum linearity of power transfer by changing properties of the substrate with respect to the properties of the substrate when the body voltages are commonly biased at a value. |
| US09490862B2 |
Reflective-type antenna band and polarization selectable transceiver using a rotatable quarter-wave plate
A low-loss band and polarization-selectable gender-selectable transceiver for use with a reflector-type antenna suitable for the E-band frequency allocation as well as other RF bands in which the upper and lower bands are separated by a stop band. In addition to providing the gender-selectable combination of the upper and lower bands for transmit and receive, this topology allows for the selection of transmit, and receive polarizations. A transceiver may transmit and receive on the same or on orthogonal polarizations. Paired transceivers may transmit on the same or on orthogonal polarizations. This is accomplished by integrating a rotatable polarizer (e.g. a ¼ wave plate) and a polarization duplexer (e.g. an orthomode transducer) in a FDD (Frequency-Domain Duplexed) system. The rotatable polarizer allows for selection of both transmit and receive bands and polarizations. |
| US09490861B2 |
Electronic apparatus with partially-covered polygonal-shaped sapphire display cover
An electronic apparatus comprises a display unit and a first cover member that is located on a surface of the electronic apparatus and includes a layer made of sapphire. The first cover member has a first surface opposed to a display surface of the display unit and a second surface opposite to the first surface. The electronic apparatus includes an apparatus case to which the first cover member is mounted and accommodates the display unit. The second surface of the first cover member comprises an outline including first through sixth partial outlines. The electronic apparatus includes a second cover member and a fixing member that fixes said second cover member and said apparatus case to each other. |
| US09490860B2 |
Protective device capable of dissipating heat
A protective device capable of dissipating heat for protecting an electronic device includes a carrier and a flexible heat transfer unit. The carrier is used for correspondingly connecting to or receiving the electronic device therein and has a plurality of edges. The flexible heat transfer unit is arranged at one of the edges of the carrier and has a first and a second extended portion. The first extended portion is extended onto and connected to an inner side of the carrier, whereas the second extended portion is extended away from the carrier to connect to a flip cover. The first extended portion of the flexible heat transfer unit is in direct or indirect contact with a heat source of the electronic device, such that heat produced by the heat source can be transferred from the carrier to the flip cover via the flexible heat transfer unit. |
| US09490857B2 |
Systems and methods for parallel signal cancellation
A receiver includes a first finger that receives a non-interference-cancelled signal and output first demodulated data, a first phase estimate, and a first PN code. The receiver also includes a second finger that selectively receives the non-interference-cancelled signal and a first interference-cancelled signal generated from the non-interference-cancelled signal based on the first phase estimate and the first PN code. The second finger also outputs second demodulated data. |
| US09490856B2 |
Method for suppressing transmission noise comprised in received downlink signal and communications apparatus utilizing the same
A method suppresses transmission noise comprised in a plurality of downlink signals received by one of a first radio module or a second radio module comprised in a communications apparatus. The method receives a plurality of first signals and a plurality of second signals, wherein the first signals and the second signals are the downlink signals respectively received via different antennas of the one of the first radio module or the second radio module, or the first signals are the downlink signals received by the one of the first radio module or the second radio module and the second signals are a portion of the uplink signals provided by the other one of the first radio module and the second radio module, and processes the plurality of first signals and the plurality of second signals to cancel transmission noise comprised in the plurality of downlink signals. |
| US09490851B2 |
High speed adaptive sweep capable digital transceiver
This invention pertains to a method by which the frequency and the modulation characteristics of a wire or wirelessly transmitted signal can be identified in a matter of milliseconds with significantly higher speed and accuracy than with existing or prior art receivers and spectrum analyzers, without erroneous image signals. Such signals can be then demodulated and decisions made based upon the demodulated data. The system then can be reconfigured to act as a transmit-receive module, with the transmit frequency enabled to address many different applications. This has applications in, terrestrial and satellite communications, and defense. |
| US09490850B1 |
Method and apparatus for decoding packetized data
A method for decoding a packetized video signal including at least one encoded frame. In one case, the method includes receiving at least one FEC packet at a receiving station. The receiving station uses embedded data associated with the FEC packet to obtain more accurate knowledge of the packet loss state of the media packets. This improved knowledge can allow the receiver to make better use of packet retransmission requests. The embedded data associated with the FEC packet can include in some cases a base sequence number and a packet mask. |
| US09490849B1 |
Systems and methods for configuring product codes for error correction in a hard disk drive
Systems and methods are provided for using a product code having a first dimension and a second dimension to encode data, decode data, or both. An encoding method includes receiving a portion of user data to be written in the first dimension, and computing first parity symbols with respect to the first dimension for the portion of user data. Partial parity symbols with respect to the second dimension are computed for the portion of user data and are used to obtain second parity symbols for the portion of user data. A decoding method includes decoding a first codeword in the first dimension. When the decoding the first codeword in the first dimension is successful, a target syndrome of a second codeword in the second dimension is computed based on a result of the decoding of the first codeword, wherein the first codeword partially overlaps with the second codeword. |
| US09490848B2 |
Data handling system comprising memory banks and data rearrangement
It is an object of the invention to provide a memory architecture that can handle data interleaving efficiently. This and other objects are achieved by the system according to the invention. The data handling system, is configured for receiving at an input a plurality of commands. The system comprises: a plurality of memory banks; a distributor connected to the input and having a plurality of distributor outputs. Each specific one of the plurality of memory banks (106) is connected to a specific one of the plurality of distributor outputs. The distributor comprises a permutator for designating for each specific command a specific distributor output. The distributor distributes the specific command to the specific designated distributor output. The permutator has a control input and the designating is reconfigurable under the control of reconfiguration data received at the control input. |
| US09490847B2 |
Error detection and correction for external DRAM
One embodiment of the present invention sets forth a technique for protecting data with an error correction code (ECC). The data is accessed by a processing unit and stored in an external memory, such as dynamic random access memory (DRAM). Application data and related ECC data are advantageously stored in a common page within a common DRAM device. Application data and ECC data are transmitted between the processor and the external common DRAM device over a common set of input/output (I/O) pins. Eliminating I/O pins and DRAM devices conventionally associated with transmitting and storing ECC data advantageously reduces system complexity and cost. |
| US09490846B2 |
Low density parity check encoder having length of 16200 and code rate of 3/15, and low density parity check encoding method using the same
A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 16200 and a code rate of 3/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM). |
| US09490837B2 |
Method and arrangement for coding transform coefficients in picture and/or video coders and decoders and a corresponding computer program and a corresponding computer-readable storage medium
The present invention describes a method and an arrangement for coding transform coefficients in picture and/or video coders and decoders and a corresponding computer program and a corresponding computer-readable storage medium, which can particularly be employed as a novel efficient method for binary-arithmetic coding transform coefficients in the field of video coding.For this, it is suggested that, for blocks of (video) pictures containing significant transform coefficients, coding of the transform coefficients takes place in such a way that, for each block in a scan process, the positions of significant transform coefficients in the block and subsequently, in a reverse scan order—starting from the last significant transform coefficient within the block—the values (levels) of the significant transform coefficients are determined and coded. |
| US09490835B2 |
Modulation circuit and modulation method with digital ELD compensation
A modulation circuit includes a digital quantizer and a compensation circuit. The digital quantizer is utilized to receive and truncate a digital quantizing input signal for generating a digital quantizing output signal. The compensation circuit compensates for a time delay of the modulation circuit and generates a compensation output signal. The digital quantizing input signal is generated by subtracting the compensation output signal from a digital integration output signal to compensate for the time delay before truncating the digital quantizing input signal. |
| US09490830B2 |
Method and apparatus for synthesis of wideband low phase noise radio frequency signals
An apparatus for synthesizing wideband radio frequency signals in the microwave region has mostly digital components. The apparatus processes and converts a signal from a stable single-frequency electrical oscillator into a lower or higher frequency electrical signal without using analog multiplier or mixer circuits. An apparatus for synthesizing a fixed phase-stable RF reference signal for use in a radar transceiver includes a phase-stable electrical oscillator which produces a single frequency sinusoidal reference signal. The apparatus converts the reference signal to an arbitrary higher or lower fixed frequency using digital logic and signal delays. The apparatus comprises low-jitter comparator, an impulse former, a gearbox retiming circuit and a recirculator circuit. An apparatus for providing wideband FM modulation of an RF signal includes circuitry for synthesizing a radio frequency signal having arbitrary tuning of center frequency and dynamic command of wideband FM and retaining low phase noise performance of the synthesized signal. |
| US09490827B2 |
Apparatus and methods for tuning a voltage controlled oscillator
Apparatus and methods for tuning a voltage controlled oscillator (VCO) are provided. In one aspect, a method of auto-tuning in a phase-locked loop includes generating a VCO clock signal using a VCO coupled to a capacitor array, dividing the VCO clock signal to generate a divided clock signal using a prescaler circuit having a selectable division ratio, controlling a value of the selectable division ratio using a first counter and a second counter of a counter module, generating a phase-frequency detector feedback signal based on a division control signal M and the divided clock signal using the counter module, counting a number of cycles of the divided clock signal that occur during a calibration interval using a cycle counter of a digital processing logic circuit, and determining the value of a capacitor array control signal based on the number of cycles counted during the calibration interval. |
| US09490826B1 |
Methods and apparatus for synchronizing frequency dividers using a pulse swallowing technique
Methods and apparatus for synchronizing dividers in different LO paths using pulse swallowing. One example apparatus generally includes a first path having a first frequency divider configured to generate a first divided signal from a first periodic signal; a second path having a second frequency divider configured to generate a second divided signal from a second periodic signal; a phase detector configured to compare phases of a first sensing signal based on the first divided signal and a second sensing signal based on the second divided signal and to generate a first trigger signal if the first and second sensing signals are out-of-phase; and a first pulse suppressor configured to suppress a pulse of the first periodic signal for at least one cycle in response to the first trigger signal to adjust a phase of the first divided signal. |
| US09490823B2 |
Self-biased oscillator
Described herein is a self-biased oscillator. The self-biased oscillator comprises a first differentiator with adjustable resistance or capacitance, the first differentiator having an output node and an input node; and a second differentiator with adjustable resistance or capacitance, the second differentiator having an input node coupled to the output node of the first differentiator, and having an output node coupled to the input node of the first differentiator. |
| US09490822B1 |
Delay lock loop
A delay lock loop including a selection unit, a delay unit, an elimination unit, and a phase detection unit is provided. The selection unit receives a non-inverted clock signal and an inverted clock signal and generates a first clock signal and a second clock signal according to an indication signal. The delay unit includes a delay factor and delays the first clock signal according to the delay factor to generate a third clock signal. The elimination unit is coupled to the selection unit and delays the second clock signal to generate a fourth clock signal. The phase detection unit is coupled to the delay unit and the elimination unit and generates the indication signal according to a phase difference between the third and fourth clock signals. The delay unit adjusts the delay factor according to the indication signal. |
| US09490820B2 |
Fractional N-PLL circuit, oscillator, electronic device, and moving object
In order to appropriately set an operation range of a voltage controlled oscillator without excessively increasing a frequency at which delta-sigma modulation is performed, a fractional N-PLL circuit includes: a voltage controlled oscillator that is configured to set plural output frequency ranges; a frequency selection circuit that selects one output frequency range; a division circuit; and a division setting circuit that sets a division ratio of the division circuit. The division setting circuit performs, while the frequency selection circuit is searching for the plural output frequency ranges of the voltage controlled oscillator, the delta-sigma modulation at a frequency lower than a frequency after the frequency selection circuit terminates the search. |
| US09490817B1 |
Method and apparatus for gals system
Aspects of the disclosure provide a system. The system includes a first functional circuit, a first clock generator, a second functional circuit, and a second clock generator. The first functional circuit is configured to be operative in response to a first clock signal. The first clock generator is configured to generate the first clock signal with a first clock cycle being a function of a first number of first inversion delays. The second functional circuit is configured to be operative in response to a second clock signal. The second clock generator is configured to generate the second clock signal with a second clock cycle being a function of a second number of second inversion delays. In an embodiment, the first inversion delays are correlated to switching delays in the first functional circuit, and the second inversion delays are correlated to switching delays in the second functional circuit. |
| US09490812B1 |
Configurable clock network for programmable logic device
In a programmable logic device having high-speed serial interface channels, a clock distribution network for providing one or more high-speed clocks to dynamic phase alignment circuitry of those high-speed serial interfaces includes at least one bus that is segmentable (e.g. using tristatable buffers). This allows the bus to be divided into different portions that can be connected to different clock sources when the high-speed serial interfaces are running at different speeds. In one embodiment, the segmenting elements (e.g., the aforementioned buffers) are located between selected channels (e.g., every fourth channel), limiting the size of the different segments. In another embodiment, segmenting elements are located between each channel, allowing complete user freedom in selecting the sizes of the segments. Thus, instead of providing a bus for every clock source, multiple clocks can be made available to different channels by segmenting a single bus. |
| US09490809B2 |
Shift register circuit
A shift register circuit includes a pull-down circuit, pull-down control circuit, a driving unit, a primary pull-down circuit and a gate driver circuit. The pull-down control circuit is electrically connected to the pull-down circuit and configured to provide an nth-stage pull-down control signal to the pull-down circuit. The a driving unit is electrically connected to the pull-down control circuit and configured to drive the pull-down control circuit. The primary pull-down circuit is electrically connected to the pull-down circuit. The gate driver circuit is electrically connected to the pull-down circuit and configured to output an nth-stage gate driving signal according to an nth-stage control signal. The driving unit is configured to receive a plurality of high-frequency clock signals and accordingly to pre-enable the pull-down control circuit, and n is a positive integer. |
| US09490806B2 |
Semiconductor device
A programmable analog device and an analog device that can retain data even when supply of a power supply potential is interrupted and consumes less power. In a semiconductor device, first to fourth transistors are used as switches in a unit cell including an analog element, and the output of the unit cell switches between a conducting state, a non-conducting state, and a conducting state through the analog element by controlling the potential of a first node where the first transistor and the second transistor are connected and the potential of a second node where the third transistor and the fourth transistor are connected. |
| US09490800B2 |
Control circuit of semiconductor switching element
A control circuit of a semiconductor switching element includes a gate driving circuit and a negative power source circuit. The gate driving circuit drives the semiconductor switching element disposed on a power supply path of an inductive load. The negative power source circuit is connected between output terminals of the semiconductor switching element. The negative power source circuit includes a series circuit of a capacitor and a diode in a forward direction connected from a negative potential side terminal to a positive potential side terminal of the output terminals. A common connection point of the capacitor and the diode in the negative power source circuit is connected to a negative power source terminal of the gate driving circuit. |
| US09490799B2 |
Electronic device and operation method thereof
An electronic device includes a transmission interface, a switch unit and a control unit. The transmission interface includes a signal reference contact and a signal transmission contact. The switch unit is coupled between the signal reference contact and a grounded layer. The control unit is coupled to the switch unit. When the control unit controls the switch unit to connect the signal reference contact and the grounded layer, the signal transmission contact is used to transmit a first signal. When the control unit controls the switch unit to disconnect the signal reference contact from the grounded layer, the signal reference contact is used to transmit a second signal. |
| US09490795B1 |
System and method for selectively coupled parasitic compensation for input referred voltage offset in electronic circuit
A system and method are provided for selectively coupled parasitic compensation for voltage offset in an electronic circuit. At least one compensation cell is coupled to an input stage for the circuit. The compensation cell includes an isolation node disposed in spaced manner from control and sampling nodes defined by the input stage. The isolation node is configured to form first and second parasitic capacitances respectively with the control and sampling nodes during system operation. An offset switch is coupled to the isolation node and selectively set between first and second switching states. The offset switch selectively either maintains or interrupts a series coupling of the first and second parasitic capacitances between the control and sampling nodes; and, the sampling node is thereby adaptively adjusted in voltage by a predetermined portion of a control signal applied to the control node. |
| US09490793B2 |
Insulated-gate type device driving circuit
An insulated-gate type device driving circuit for driving an insulated-gate semiconductor element based on a gate signal inputted from the outside includes a gate voltage control semiconductor element which is connected between a gate and a source of the insulated-gate semiconductor element, and a pull-up element which is constituted by a depletion type MOSFET connected between a gate and a drain of the gate voltage control semiconductor element. The gate voltage control semiconductor element is driven by a voltage applied to the gate of the insulated-gate semiconductor element, and a back gate of the MOSFET constituting the pull-up element is grounded to prevent a parasitic transistor from being formed. |
| US09490787B1 |
System and method for integrated circuit clock distribution
An embodiment integrated circuit (IC) clock distributor system includes a first IC. The first IC includes a clock synchronizer circuit and a clock generator circuit. The clock synchronizer circuit includes a first input coupled to a first clock transfer path including a replica delay of a portion of a first signal path included in an external IC. The clock synchronizer circuit also includes a second input coupled to a second clock transfer path. The clock generator circuit also includes an input coupled to an output of at least one of a reference oscillator and the clock synchronizer circuit. Delay of the second clock transfer path includes delay of the first signal path. |
| US09490784B2 |
Apparatus and method for generating quadrupled reference clock from single ended crystal oscillator
A method, an apparatus, and a computer program product are provided. The apparatus outputs a sinusoidal signal according to a first clock frequency, generates, a first digital signal having a 25% duty cycle based on the sinusoidal signal, generates a second digital signal having a 25% duty cycle based on the sinusoidal signal, combines the first digital signal and the second digital signal to generate a combined digital signal having a 50% duty cycle and a second clock frequency that is double the first clock frequency, and doubles the second clock frequency of the combined digital signal to generate an output signal having a third clock frequency that is quadruple the first clock frequency. The apparatus further generates a first control voltage and a second control voltage for the first buffer and a third control voltage for the second buffer based on the output signal. |
| US09490783B1 |
Area efficient multi bit flip flop topologies
The invention is an intelligent connection of the internal scan logic in a multi-bit flip-flop register. Individual bits in this register are connected in a serial scan chain. In this invention the serial chain is connection reuses logic between slave latches on bit n and master latches on bit n+1. This reuse reduces the number of transistors required to implement the multi-bit register. This reduction in the number of required transistors enables a consequent reduction in integrated circuit area required, thereby reducing manufacturing cost. Alternatively, the area saved using this invention may be used for other purposes. This could increase the value of the corresponding integrated circuit without increasing manufacturing costs. |
| US09490782B2 |
Latch circuit
A latch circuit is based on a master-slave cross-coupled inverter pair configuration. The inverters of the slave circuit are coupled to a high voltage rail and a low voltage rail, wherein for each of the two inverters of the slave circuit inverter pair, the coupling to one of the voltage rails is through a resistive element. This circuit design avoids the need for an internal clock-buffer and enables single phase clocking, and therefore does not need internal clock signal inversion. The circuit can be implemented with low power, with no dynamic power consumption for redundant transitions when the input and the output data signal is same. |
| US09490781B2 |
Redundant clock transition tolerant latch circuit
Embodiments of a latch circuit and a method of operating a latch circuit are described. In one embodiment, a latch circuit includes an input terminal configured to receive an input data signal, a switching unit configured to control application of the input data signal, a first inverter circuit connected to the switching unit, where the first inverter circuit includes a first cross-coupled pair of inverters, and a second inverter circuit connected to the first inverter circuit through the switching unit. The second inverter circuit includes a second cross-coupled pair of inverters and two transistor devices. Each inverter of the second cross-coupled pair of inverters is connected to a voltage rail through a corresponding transistor device. Each of the two transistor devices is connected to a node that is between the switching unit and the first inverter circuit or the second inverter circuit. Other embodiments are also described. |
| US09490777B2 |
Programmable synchronous clock divider
A divided clock signal is generated from an input clock signal. The duty cycle of the divided clock signal is programmed by generating a compare value based on values of duty cycle input and a divide value of the input clock signal. The compare value is compared to a count value to generate short and long pulse signals. The divided clock signal is generated based on the short and long pulse signals. The duty cycle of the divided clock signal varies in accordance with the compare value. |
| US09490771B2 |
Acoustic resonator comprising collar and frame
An acoustic resonator structure comprises a first electrode disposed on a substrate, a piezoelectric layer disposed on the first electrode, a second electrode disposed on the piezoelectric layer, a frame disposed within a main membrane region defined by an overlap between the first electrode, the piezoelectric layer, and the second electrode, and having an outer edge substantially aligned with a boundary of the main membrane region, and a collar formed separate from the frame, disposed outside the main membrane region, and having an inner edge substantially aligned with the boundary of or overlapping the main membrane region. |
| US09490767B2 |
Network signal coupling circuit assembly
A network signal coupling circuit installed in a circuit board and coupled between a network-on-chip and a network connector is disclosed to include a coupling module including a first capacitor connected in series to each wire of one respective two-wire channel of the signal coupling circuit thereof for coupling network signals and removing noises. Subject to the capacitance reactance characteristic that the signal attenuation is reduced when the frequency rises and the capacitive coupling characteristic that the signal coupling performance is enhanced when the frequency rises, the network signal coupling circuit assembly is practical for high frequency network applications to enhance signal coupling and transmission performance. |
| US09490765B2 |
Microphone biasing circuitry and method thereof
A host device for use with a removable peripheral apparatus having a microphone, and to the biasing circuitry for said microphone. The host device may have a device connector for forming a mating connection with a respective peripheral connector. A source of bias is arranged to supply an electrical bias to a device microphone contact of the device connector via a biasing path. A capacitor is connected between a reference voltage node and a capacitor node of the biasing path. A first switch is located between the capacitor node and the device microphone contact. Detection circuitry detects disconnection of the peripheral connector and device connector; and control circuitry controls the switch to disable the biasing path. |
| US09490760B2 |
Self-timed differential amplifier
The present invention provides a self-timed differential amplifier, including an amplifier unit, having a pair of read/write terminals, wherein data is read or written by a select line; a pair of precharge transistors, controlled by a control line; and a pair of cross-coupled transistors, controlled by a column select line. Moreover, a complementary differential amplifier is formed by the combination of the pair of precharge transistors and the pair of cross-coupled transistors. The pair of the precharge transistors and the pair of cross-coupled transistors are connected to the pair of read/write terminals of the amplifier unit. |
| US09490757B2 |
Implementing enhanced bias configuration for CMOS inverter based optical transimpedance amplifier
A method and circuit are provided for implementing an enhanced bias configuration for CMOS inverter based optical Transimpedance Amplifiers (TIAs). An operational amplifier is provided in a feedback configuration that forces an input of the CMOS inverter to a set voltage level by regulation of the inverter power supply. A photo-detector sees a more stable bias voltage, and the responsivity of the photo-detector is more robust and the TIA has improved performance across process corners. |
| US09490755B2 |
Phase shift and attenuation circuits for use with multiple-path amplifiers
Embodiments of circuits for use with an amplifier that includes multiple amplifier paths include a first circuit and a second circuit in parallel with the first circuit. The first circuit includes a first input coupled to a first power divider output, a first output coupled to a first amplifier path of the multiple amplifier paths, and a first adjustable phase shifter and a first attenuator series coupled between the first input and the first output. The second circuit includes a second input coupled to a second power divider output, a second output coupled to a second amplifier path of the multiple amplifier paths, and a second adjustable phase shifter coupled between the second input and the second output. |
| US09490751B2 |
Power amplifier modules including bipolar transistor with grading and related systems, devices, and methods
One aspect of this disclosure is a power amplifier module that includes a first die including a power amplifier and a passive component, the power amplifier including a bipolar transistor having a collector, a base abutting the collector, and an emitter, the collector having a doping concentration of at least about 3×1016 cm−3 at an interface with the base, the collector also having a grading in which doping concentration increases away from the base; and a second die including a bias circuit configured to generate a bias signal based at least partly on an indication of an electrical property of the passive component of the first die and to provide the bias signal to the power amplifier. Other embodiments of the module are provided along with related methods and components thereof. |
| US09490747B1 |
Re-configurable single transformer quadrature voltage controlled oscillator
A quadrature voltage controlled oscillator (QVCO). The QVCO includes a first node for providing a first quadrature signal, a second node for providing a second quadrature signal, a third node for providing a third quadrature signal, and a fourth node for providing a fourth quadrature signal. The QVCO further includes a first coil connected between the first node and the second node and a second coil connected between the third node and the fourth node. The first coil and second coil are positively magnetically coupled. |
| US09490744B2 |
Oscillator regulation circuitry and method
Oscillator regulation circuitry is provided for regulating a frequency of an output signal generated by an oscillator. Oscillator regulation circuitry has frequency sensing circuitry for sensing the frequency of the output signal and generating a first signal depending on the frequency, and control circuitry which generates the oscillator control signal based on the comparison between the first signal and a non-oscillating reference signal. The frequency sensing circuitry includes at least one switched capacitor. This approach provides improved noise reduction, less sensitivity to process, temperature and voltage variations, and a more linear scaling of the frequency with the reference signal, compared to previous techniques. |
| US09490742B2 |
Motor control apparatus
A motor control apparatus includes an A/D converter to apply A/D conversions to a motor current signal and a resolver output signal, respectively; a processor configured to: detect a fault of an R/D converter, by comparing a motor rotation angle calculated by the R/D converter from the resolver output signal, and a motor rotation angle calculated based on the current signal; permit the A/D converter to apply the A/D conversion to the resolver output signal at a peak timing of a reference signal when a first time obtained by subtracting a process time required for a control process of the motor from a feedback cycle, is longer than a second time having passed since a control end timing when the control process has ended until the peak timing, or inhibit the A/D converter from applying the A/D conversion when the first time is not longer than the second time. |
| US09490741B2 |
Motor control device
A motor control device according to the invention includes: a mode setting section that sets one of a first mode in which a charge/discharge current of a secondary battery varies according to load fluctuation of a motor and a second mode in which the charge/discharge current of the secondary battery becomes constant for a predetermined time regardless of the load fluctuation of the motor; and a drive signal generating section that generates a drive signal for driving the motor on the basis of the mode that is set by the mode setting section, a torque command value, and a motor rotation speed. |
| US09490737B2 |
Wound field synchronous machine with resonant field exciter
A brushless field exciter for wound synchronous machines that uses the resonance of the leakage inductance and a capacitor in a resonant field exciter to transfer energy to the rotating field winding. By resonating at frequencies greater than 50 kHz, this exciter reduces the overall size and weight of synchronous wound field motors at all power levels and extends the practical and economic power limits of synchronous wound field machines down to low integral and fractional HP applications, eliminating the permanent magnets now used in high efficiency motors and generators in that power range. |
| US09490729B2 |
Magnetostrictive vibration power generation device
A magnetostrictive vibration power generation device including: a longitudinal magnetostrictive element formed of a magnetostrictive material and configured to be attached to a vibrating member at at least one end part thereof; a coil wound on a closed magnetic path constituted including the magnetostrictive element; and a permanent magnet arranged so as to apply a bias magnetic field to the closed magnetic path. A yoke member formed of a magnetic material is arranged in parallel at a side of the magnetostrictive element, and the closed magnetic path is formed including the magnetostrictive element and the yoke member, the permanent magnet is attached to the yoke member on the closed magnetic path, and the yoke member is allowed relative displacement in relation to the magnetostrictive element on at least one side in a magnetic path lengthwise direction of the closed magnetic path. |
| US09490727B2 |
Method for calibrating a multiphase inverter, operating apparatus, computer program, and computer program product
The invention relates to a method for calibrating a multiphase, in particular three-phase, inverter (1) having a respective switching element (T1, T2, T3) on the high-voltage side and a respective switching element (T4, T5, T6) on the low-voltage side for each of the phases thereof as well as a respective current sensor for at least some of the phases (I, II, III). The following steps are proposed: (f) switching off all switching elements (T1-T6), (g) switching on a switching element (T1) on the high-voltage side for a first phase (I) and a switching element (T5) on the low-voltage side for a second phase (II), (h) measuring the currents flowing through the first phase (I) and the second phase (II), (i) forming an average value from the measured currents, and (j) calibrating the inverter (1) on the basis of the formed average value. The invention also relates to an apparatus, a computer program and a computer program product. |
| US09490719B2 |
System and method for a power converter
According to an embodiment, a power supply controller includes a first controller, a second controller, a transformation circuit, a switch signal generator. The first controller is configured to provide a first control parameter based on a first power supply measurement signal and the second controller is configured to provide a second control parameter based on a second power supply measurement signal. The transformation circuit is configured to provide a first switching control parameter dependent on both the first control parameter and the second control parameter, and to provide a second switching control parameter dependent on both the first control parameter and the second control parameter. The switch signal generator is configured to generate switching signals that depend on both the first switching control parameter and the second switching control parameter. |
| US09490718B2 |
Multiple output synchronous power converter
A multiple output power converter constituted of: an inductance element arranged, responsive to a switching circuit to receive power and arranged to output a function of the received power for a predetermined time period, the secondary side exhibiting a predetermined voltage during the predetermined time period; a control circuitry arranged to switch the switching circuit so as to maintain a first output at a predetermined level; a second output; and an electronically controlled switch arranged to be alternately in a closed state and an open state, the second output arranged to receive or not receive a portion of the output power responsive to the state, the switch set in synchronization with the switching circuit. |
| US09490712B2 |
Flyback converter output current evaluation circuit and evaluation method
An output current calculating circuit for a flyback converter operating under CCM and DCM is disclosed. The off current value ION and the blanking current value ILEB flowing through a sensing resistor are calculated using a detection module and are summed together using a current summing unit. A voltage converted from the sum value of the off current value IOFF and the blanking current value ILEB is transmitted through an output stage in a predetermined time ratio of a cycle with the duty cycle determined by a logic control unit, in which the logic control unit controls the output stage to receive the voltage converted from sum current in a predetermined time period of each cycle, and prevents the output stage to receive the voltage converted from sum current in the remaining time other than such predetermined time period of each cycle. |
| US09490709B2 |
Hybrid DC-DC converter with LLC converter and full-bridge converter
Disclosed is a hybrid dc-dc converter. The hybrid dc-dc converter includes: a pair of transformers configured to magnetically couple a primary side to a secondary side, a full-bridge converter including four switches constituting a full-bridge inverter circuit and a first transformer, and an LLC resonant converter including a resonant inductor, a resonant capacitor, and a second transformer, which constitute an LLC resonant circuit, wherein an output of the full-bridge converter and an output of the LLC resonant converter are connected to each other in series at the secondary side. |
| US09490703B2 |
Power supply with first and second capacitor sections in the transformer secondary
A power supply device includes a substrate, a transformer, a rectifying section, a filtering section, at least one first capacitor section, and a second capacitor section. The substrate includes at least one semiconductor element. The transformer inputs an electric power via at least one pair of primary-side terminals, transforms the input electric power, and outputs the transformed electric power via at least one pair of secondary-side terminals. The rectifying section includes at least one rectifying element configured to rectify the transformed electric power. The filtering section reduces alternating-current components included in the rectified electric power. The first capacitor section is connected in parallel to the at least one rectifying element. The second capacitor section generates one or more harmonic waves that reduce a peak value of a fundamental wave of resonance generated based on a leakage inductance component of the transformer and a capacitance component of the first capacitor section. |
| US09490702B1 |
Multi-phase voltage regulator control systems and methods
A voltage regulator includes at least two phases, where each phase includes an inductor connected at one end to a load, a switching device that opens and closes to connect another end of the inductor to and from an input voltage; and a pulse generator that selectively closes the switching device. A phase manager module selectively triggers a pulse generator to close its switching device for a closed period when a third signal is in a first state. A comparator module selectively sets the third signal to the first state based on a ramp voltage. A ramp generator module maintains the ramp voltage at a predetermined reset voltage for a predetermined ramp reset period after the third signal transitions to the first state. The predetermined ramp reset period is less than a minimum value of the closed period. This allows the switching devices of multiple phases to be closed simultaneously. |
| US09490697B2 |
Self-bootstrap driving circuit and DC-DC converter
A self-bootstrap driving circuit includes a first input receiving a first control signal; an output, to which a load having an electro-inductive component may be connected; a power switch having first and second current terminals and a control terminal, and being arranged to drive power from a power supply terminal to the load; a bootstrap circuitry arranged to drive the control terminal of the power switch based on the control signal; and a current path between the electro-inductive component of the load and the control terminal of the switch, said current path being arranged to provide direct transfer from said electro-inductive component to said control terminal of the switch of an overvoltage generated at the electro-inductive component to provide an overdrive voltage to said control terminal of the switch. |
| US09490692B2 |
Circuit and method of correcting a power factor for AC direct lighting apparatus
A circuit for correcting a power factor for an AC direct lighting apparatus that includes a valley signal generating unit configured to receive a full-wave rectified AC input voltage signal and configured to compare an internal reference voltage signal and the AC input voltage signal to generate a valley signal, a reference voltage control unit configured to receive the generated valley signal and count clock cycles of an internal clock to detect a frequency of the AC input voltage signal and configured to determine a frequency of a drive current to control a reference voltage signal based on the determined frequency of the drive current and a reference voltage control clock generating unit configured to generate a pulse width modulation signal associated with a pulse width of the reference voltage signal and configured to generate the reference voltage control clock signal based on the generated pulse width modulation signal and the controlled reference signal. Thus, the circuit may control a phase of a drive current and adjust a variation of the reference voltage signal to improve the power factor of the circuit. |
| US09490691B2 |
Device and method for surge current protection during the operation of a capacitive load on a three-phase inverter
A method, device, and system for surge current protection on a circuit including a three-phase inverter and a capacitive load. The inverter can be controlled to connect the capacitive load with different direct current voltage potentials. In a pre-charging mode, the capacitive load is connected with the a first direct current voltage potential via a current-limiting element to limit a start-up current. In a normal operating mode following the pre-charging mode, the inverter is controlled to directly connect the capacitive load with the different direct current voltage potentials. |
| US09490688B2 |
Method and circuit arrangement for switching a semiconductor switch
A method is disclosed for switching a semiconductor switch from a first static switch state to a second static switch state by controlling a control connection of the semiconductor switch. The method includes switching the semiconductor switch in a current-controlled manner starting from the first static switch state in a first switching phase by applying at least one first specified actuating current at the control connection of the semiconductor switch in a controlled manner, and switching the semiconductor switch in a voltage-controlled manner in a second switching phase following the first switching phase by applying at least one first specified actuating voltage to the control connection of the semiconductor switch in a controlled manner until the second static switch state is reached. In this manner, switching losses are reduced. |
| US09490686B2 |
Linear motor with reduced cogging
Provided is a linear motor capable of preventing an increase in length of the armature in the moving direction and also of reducing cogging. The linear motor has a magnetic field part having a plurality of permanent magnets arranged in a straight line in such a manner that N poles and S poles are formed alternately; and an armature having a core which has a plurality of teeth arranged opposite to the magnetic field part with a gap created therebetween and a plurality of coils wound on the teeth of the core. Among the teeth with the coils wound around, a width TW1 in a relative moving direction of each of teeth placed at both ends in the relative moving direction of the armature is smaller, from a base part to an end part thereof, than a width TW2 in the relative moving direction of each of other teeth. |
| US09490684B2 |
Permanent magnet electric motor
According to one embodiment, a rotor is configured by a rotor core and magnetic poles. Two or more types of permanent magnets are used such that each product of coercivity and thickness in the magnetization direction becomes different. A stator is located outside the rotor with air gap therebetween and configured by an armature core winding. At least one permanent magnet is magnetized by a magnetic field by a current of the armature winding to change a magnetic flux content thereof irreversibly. A short circuited coil is provided to surround a magnetic path portion of the other permanent magnet excluding the magnet changed irreversibly and a portion adjacent to the other permanent magnet where the magnetic flux leaks. A short-circuit current is generated in the short circuited coil by the magnetic flux generated by conducting a magnetization current to the winding. A magnetic field is generated by the short-circuit current. |
| US09490681B1 |
Pulsed air to electric generator
An electric generator includes a housing with a stator positioned thereabout. A rotor (i.e., magnetic member) is positioned within the housing and is adapted to move within the housing in response to a pulsed air input, such as from a pulsed-air exhaust device. The pulsed air input creates a pressure chamber between the pulsed air input and the magnetic member, which forces the magnetic member to axially advance in a first direction through the housing to magnetically interact with the stator to generate electric current therein. A biasing member may be positioned within the housing and in operative communication with the magnetic member. The magnetic member may compress the biasing member in the first direction, but the biasing member may exert a spring-back force against the magnetic member to force the magnetic member in a second direction through the stator to magnetically interact therewith to generate additional electric current therein. |
| US09490678B2 |
Generator having variable power generation
A generator having variable power generation in which a plurality of rotors are inserted into one rotating shaft, a central connecting shaft of one rotor is detachably provided to one end of a connecting shaft of another rotor, magnets respectively arranged on ends of the two connecting shafts adjacent to each other are arranged to allow surfaces thereof having the same polarity to oppose each other, thereby spacing the two rotors apart from each other through a repelling force between the magnets. When an external pressure greater than or equal to the repelling force between the two magnets is applied in the shaft direction, the connecting shafts of the two rotors are coupled to each other to transmit a rotational force to both of the two rotors, thereby generating power and successively increasing the power generation in accordance with the external environment. |
| US09490672B2 |
Magnet component with a thermal insulation structure, rotor assembly with such a magnet component, electromechanical transducer and wind turbine
A magnet assembly for a rotor assembly of an electromechanical transducer includes a magnet component and a thermal insulating structure. The magnet component has a permanent magnet material. The thermal insulation structure covers at least a part of a surface of the magnet component for thermally decoupling the magnet component from heat being generated within electromechanical transducer. In an example embodiment, the electromechanical transducer is a generator of a wind turbine. |
| US09490671B2 |
Rotor and motor
A rotor having an axial direction includes at least a pair of rotor cores arranged in the axial direction, and a field magnet located between the rotor cores and magnetized in the axial direction. Each of the rotor cores includes a plurality of claw poles extending in the axial direction. Each of the rotor cores includes a magnetic flux controlling section, which appropriately causes a magnetic flux to flow to the claw poles. |
| US09490668B2 |
Pump unit
A pumping set includes an electrical drive motor and electronic controller, wherein the controller is divided into two functional modules arranged on at least two separate circuit boards, of which a first functional module represents a supply part, which provides the input voltage for the second functional module, and wherein the second functional module exhibits engine electronics that are connected with stator coils of the drive motor to supply the latter with current. |
| US09490667B2 |
Apparatus and system for attaching integral spacers to laminations
Disclosed are methods, apparatuses, and systems with regard to laminations. In an embodiment, an apparatus includes a lamination having a variable thickness and a spacer connected with the lamination at a location, wherein the location of the spacer is based on a determined thickness of the lamination. |
| US09490666B1 |
Magnetic energy converter
A magnetic energy converter is an apparatus using the repelling energy fields of magnets to provide continuous motion. The apparatus includes a first axis, a second axis, an at least one motion generating mechanism, an idler gear train, and a platform. Each motion generating mechanism is used to harness the repelling energy fields of magnets and includes a first disk, a first magnet, a second disk, and a second magnet. Each magnet is peripherally mounted onto their respective disk, which is axially mounted to their corresponding axis. The first magnet and the second magnet have synchronized orbits so that their repelling energy fields interact with each other to produce continuous motion. The platform is used as a base for the other components. The idler gear train transfers rotational motion from the first axis to the second axis at a 1:1 ratio and reverses the direction of the rotational motion. |
| US09490664B2 |
AC power strip device having interchangeable control modules
A power strip assembly may include a power strip having a housing that includes multiple sockets for receiving power plugs and that includes a connection interface. Multiple control modules are interchangeably attached to the connection interface, each configured to control a different function or functions with respect to the sockets. One such function may include providing timing for a period of time for which power is supplied to a socket. Another function may include to meter or record power consumed by respective sockets, or to provide remote control capability of the sockets. Multiple switches may be connected with respective sockets that determine whether the power strip or a connected control module controls a function with respect to the respective sockets. A control actuator may be connected with each switch, that when actuated, forces control to pass from the main power source to the control module. |
| US09490663B1 |
Apparatus and methodology for battery backup circuit and control in an uninterruptible power supply
Systems and methods for providing an uninterruptible power supply are disclosed herein. The system includes a power converter component that concurrently provides power to a load and charges a battery by using a primary power source. The system also includes a backup component that delivers power from the battery to the load during a primary power failure. Additionally, a set of series transistors are coupled to the battery to control charging current and discharging current of the battery. |
| US09490660B2 |
Methods, systems, and apparatus for datacenter power distribution
Methods, systems, and apparatus for electrical power distribution are described. One or more conditions of power provided from one or more fuel cells and one or more fuel cell bypass devices are monitored. At least one of the one or more fuel cell bypass devices is configured to provide power from a first alternate power source to a first electrical device if the monitored power condition of the one or more fuel cells is not satisfied and to allow power to be provided from at least one of the one or more fuel cells if the monitored power condition of the one or more fuel cells is satisfied. A static transfer switch is configured to provide power based on one or more monitored power conditions. |
| US09490658B2 |
Apparatus and a method of manufacturing an apparatus
An apparatus including a charge storage component; and an energy harvesting component wherein the charge storage component and the energy harvesting component are integrated via a common electrode. |
| US09490652B2 |
Wireless charger equipped with auxiliary power supply and auxiliary power device
A wireless charger equipped with an auxiliary power supply includes a power input unit which is connected to an external power supply, a wireless power transmission unit which wirelessly transmits electrical power to an electronic device through a magnetic field, and an auxiliary power unit which charges a battery provided therein with electrical power supplied from the power input unit, or charges the battery and, at the same time, provides the electrical power to the wireless power transmission unit, and provides the electrical power of the battery provided therein to the wireless power transmission unit when the power supply from the power input unit is stopped. |
| US09490650B2 |
Wireless power transfer
Systems and methods are disclosed that enable power regulation during wireless power transfer, such as during magnetic resonance (MR) charging of one or more devices from a power transfer device, while enabling the one or more devices to access a network drive via a routing mechanism while the network drive is operatively coupled to an apparatus that includes the power transfer device and the routing mechanism. |
| US09490647B2 |
Capacitance discharge limiter
A capacitance discharge limiter in which a DC transition protection circuit is provided in a circuit that includes a discharge circuit (which may be a power limiter) between a source and a receiver, with a capacitor situated between the source and the discharge circuit. The DC transition protection circuit is coupled to a reference voltage and to the control voltage input of the discharge circuit, and also between the capacitor and the discharge circuit at a node. The DC transition protection circuit detects the existence of an excess DC or low frequency (typically less than about 1 MHz) voltage potential at the node caused by charge on the capacitor, and regulates the control voltage so as to enable the discharge circuit to discharge the capacitor to protect the receiver. |
| US09490646B2 |
Device for controlling assembled battery
In a device for controlling an assembled battery provided with a plurality of single batteries, the device includes a capacity adjustment section for adjusting a capacity such that voltages of the single batteries are equalized at a targeted voltage, an internal state detection section for detecting terminal voltages or SOC of the single batteries and for detecting, based on the detected terminal voltages/SOC, a voltage/SOC difference among the single batteries as voltage-difference/SOC-difference data, and a time-series data storage for storing the voltage-difference/SOC-difference data in time-series. Also provided is a prediction section for more appropriately predicting time when the assembled battery becomes an abnormal state, based on a time-dependent change in the voltage-difference/SOC-difference data detected in a voltage/SOC region different from the targeted voltage by a predetermined voltage, among the stored time-series voltage-difference/SOC-difference data. |
| US09490640B2 |
Temperature monitoring HEV charger cord assembly and charging method
A temperature monitoring vehicle charger cord assembly includes a wall plug; a pair of power prongs carried by the wall plug; at least one thermal sensor carried by the wall plug, the at least one thermal sensor adapted to monitor a charging temperature; a battery electric vehicle electrical plug; and a microprocessor electrically interfacing with the power prongs, the at least one thermal sensor and the battery electric vehicle electrical plug. The microprocessor is programmed to perform at least one of terminating electrical current and reducing amperes of electrical current flowing from the pair of power prongs to the battery electric vehicle electrical plug if the charging temperature at least meets a predetermined maximum threshold charging temperature. A temperature monitoring vehicle charging method is also disclosed. |
| US09490639B2 |
Charge equalization system for batteries
A battery equalization system has two accumulator stages in series, each including an accumulator, and ±poles, a voltage generator for each accumulator stage, and an associated charging device powered by the generator. The charging device includes an inductor and capacitors. One capacitor connects to the generator's positive pole, the other connects to its negative pole, a first diode, whose anode connects to a negative pole of the accumulator stage and whose cathode connects to the first capacitor, a second diode whose anode connects to the negative pole of the accumulator stage and whose cathode connects to the second end of the second capacitor, and a switch connected to the inductor and to the positive pole of the accumulator stage, and a control device that controls the generator, closes the switch and causes the inductor to stores energy and to transfer it to the associated accumulator stage. |
| US09490631B2 |
Over-limit electrical condition protection circuits and methods
Apparatuses and methods for protecting a circuit from an over-limit electrical condition are disclosed. One example apparatus includes a protection circuit coupled to a circuit to be protected. The circuit to be protected is coupled to a pad node. The protection circuit is configured to conduct current from the pad node to a reference voltage node to protect the circuit from an over-limit electrical condition. The protection circuit has a trigger circuit coupled to the pad node and configured to trigger a shunt circuit to conduct current from the pad node to the reference voltage node responsive to a voltage provided to the pad node having a voltage exceeding a trigger voltage. In some embodiments, the trigger circuit is matched to the circuit being protected. |
| US09490628B2 |
Fault current limiter
A fault current limiter is provided. According to an embodiment of the present disclosure, the fault current limiter includes a switch whose contact point is opened when a fault current occurs; a current limiting element configured to limit the fault current when the fault current occurs; and a diode being serial-connected to the current limiting element, wherein a breakdown voltage of the diode is higher than a voltage drop by an impedance of the switch when a normal current flows. |
| US09490625B2 |
Electronic device and voltage monitoring method
An electronic device includes a processor, and a connector used for connecting an external device to the electronic device, wherein the processor monitors fluctuation in a voltage at a specific terminal of the connector, and when the fluctuation in the voltage during a predetermined time period are not within a predetermined range, the processor electrically separates the connector. |
| US09490624B2 |
Circuit for voltage detection and protection and operating method thereof
A circuit for voltage detection and protection comprises a first block, a first voltage detector, a second block and a second voltage detector. The first block receives a first voltage supply. The first voltage detector detects the first voltage supply and generates a first detecting signal when detecting the first voltage supply level is out of the first operating voltage range. The second block receives a second voltage supply. The second voltage detector detects the second voltage supply and generates a second detecting signal when detecting the second voltage supply level is out of the second operating voltage range. The first block performs a protection operation on the circuit when monitoring at least one of the first and second detecting signals. |
| US09490617B1 |
Easy insertion electrical connector
An electrical connector for easy insertion of one or more electrical cables through a hole or knock-out of an electrical junction box. The electrical connector includes a substantially tubular connector body including sidewalls, a leading end, and a trailing end. The connector body includes base flange at the trailing end, an inner bore, and a dividing wall. For connection of two cables, the dividing wall keeps the separate cables from touching. Two flexible gripper arms are formed at notched areas of the base flange on opposing sides of the sidewalls. An inner tooth and an outer tooth are included on each gripper arm. Each gripper arm includes a top wall and an outward extending wing. The outward extending wing in combination with the base flange form seats on opposing sides of the connector body for accommodating the wall of an electrical box when the connector is pushed into a knockout hole in an electrical box or panel. |
| US09490614B2 |
Wire tray for a wire harness
A wire tray configured to support and route wires of a wire bundle between electrical components includes tray walls defining a channel configured to receive corresponding wires of the wire bundle. The tray walls includes a first side wall, a second side wall opposite the first side wall and a bottom wall extending between the first and second side walls. A cover is hingedly coupled to the first side wall. The cover extends across a top of the channel between the first and second side walls. The cover has a primary latch latchably coupled to the second side wall. The cover has a secondary latch engaging the first side wall to secure the cover to the first side wall. |
| US09490611B2 |
Universal load control cabinet
A universal load control module may include a power supply that operates over a wide voltage range, a microcontroller, and one or more functional control blocks. A functional control block may include a dimmer circuit for controlling a lighting load that provides reverse phase cut mode dimming, forward phase cut mode dimming, and hybrid phase cut mode dimming, as well as thermal protection. One or more universal control modules may be housed in a cabinet that include a cabinet control module. The cabinet may include additional thermal protection measures. |
| US09490606B2 |
Optical component and its method of manufacture, and light emitting device and its method of manufacture
An optical component includes a support member having a through-hole, a second light-transmissive member disposed inside the through-hole, and having a light incidence face, a light emission face and an outer peripheral side surface, and an outer peripheral side surface, a fused first light-transmissive member formed between an inner wall of the through-hole and the outer peripheral side surface of the second light-transmissive member. |
| US09490601B2 |
Method of manufacturing an insertion-type connector
A method of manufacturing an insertion-type connector having at least two mutually electrically insulated conductor contacts with the conductor contacts cut from a metal sheet in such a way that they are connected together via a connecting part of the metal sheet, the conductor contacts being partly embedded in an electrically insulating material to form an electrically insulating housing which fixes the conductor contacts relative to one another, and the connecting part then separated off. |
| US09490598B2 |
Terminal connecting structure
A terminal connection portion of a bus bar includes a first locking portion and a second locking portion. An electric connection plate portion of a connecting terminal, a rear end portion of which is fixed to an end portion of an electric wire, is curved and convex in a direction facing the terminal connection portion, and a first engaging portion formed at a distal end portion is locked by the first locking portion. A second engaging portion formed on a wire fixing side is locked by the second locking portion in a state in which the electric connection plate portion is pressed on the terminal connection portion. |
| US09490596B1 |
Electrical contact assembly
An electrical contact assembly includes a pair of contacting members and a cable receiving member fixed with the contacting members. Each of the contacting members is in a shape of sheet and opposite to each other. The pair of contacting members is formed separately and defines a front-to-rear direction. The cable receiving member is formed separately from the pair of contacting members or is formed integrally with one of the contacting members. As the pair of contacting members is formed separately, the manufacturing process is simple and the quality is easy to control. The symmetry accuracy of the pair of contacting portions will also be controlled perfectly. As a result, a power loss of an electric current will be decreased. |
| US09490595B2 |
Flippable electrical connector
An electrical connector adapted for mounting on a printed circuit board, includes an insulating housing including a rear base and a front mating tongue, a plurality of contacts retained in the insulating housing and including contacting sections arranged on the mating tongue and mounting tails out of the insulating housing a shielding retained on the insulating housing and including a front mating port section thereby defining a mating cavity between the mating port section and the mating tongue and a metallic bracket attached on the shielding. The bracket defines a pair first supporting legs adjacent to the mating port sections which has no supporting leg split therefrom. |
| US09490592B2 |
Coaxial barrel fittings and couplings with ground establishing traveling sleeves
Barrel connectors, a right angled adaptor and a single ended fitting include at least one axially displaceable traveling sleeve for insuring electrical continuity with coaxial connector, nominally an F-connector. Each barrel connector described comprises a rigid, metallic hollow body housing an internal contact tube. At least one coiled spring is retained within the body. At least one elongated, tubular traveling sleeve is coaxially disposed within each body end and normally biased outwardly by the springs. The metallic traveling sleeves comprise an elongated shank that contacts the spring, and a head that seats against the connector body ends during installation. Catches or rings defined upon or mounted to travelling sleeve shanks are received within suitable grooves for anchoring the traveling sleeves while facilitating limited axial displacements. The traveling sleeves, and the contact tube therewithin, normally are biased outwardly so that even limited torquing of an F-connector will establish a ground path. |
| US09490591B2 |
Connector mateable with mating connector and having first and second members which are electrically separated
A connector is attached to a cable which has a center conductor and a shield. The connector is mateable with a mating connector along a front-rear direction. The mating connector includes a mating contact and a mating shell, which has a mating lock portion and a shell contact portion. The connector includes first and second members. The second member has a front portion and a rear portion. The front portion is provided with a lock portion. One of the rear portion and the front portion is provided with a second contact portion. Under a state where the connector and the mating connector are connected with each other, the lock portion locks the mating lock portion while the second contact portion is brought into contact with the shell contact portion, so that the first member and the second member are maintained in a state in which they are electrically separated. |
| US09490590B2 |
Antenna connector sealing nut having a mechanical enclosure housing a radio frequency connector
Various antenna-based systems may benefit from hardware for antenna connectors. For example, certain radio systems may benefit from an antenna connector sealing nut or radio frequency connector ingress protection cap structure. An apparatus can include a connector main body comprising a ring-shaped member having an inner circumference defining a passage and an outer circumference. The apparatus can also include a connector axial body comprising a cylindrical member arranged partially within the passage. The connector main body can be configured to interface with a radio frequency connector at the inner circumference. The connector main body can be configured to interface, at the outer circumference, with a mechanical enclosure housing the radio frequency connector. The connector axial body can be configured to interface with an inner portion of the radio frequency connector. The connector axial body can be configured to provide a radio frequency path through the connector axial body. |
| US09490588B2 |
High performance cable with faraday ground sleeve
An improved termination assembly for a multi-wire cable is disclosed. The assembly includes a carrier member that includes wire nest portions spaced along a base portion. The wire nest portions are hollow enclosures that contact the exterior grounding shields of the cable wires so as to electrically interconnect all of the cable wires together through a common ground. |
| US09490587B1 |
Communication connector having a contact module stack
A contact module stack includes signal contact modules and ground contact modules flanking the signal contact modules in a ground-signal-signal-ground contact module arrangement. The signal contact modules each include signal leadframes and signal dielectric bodies. The ground contact modules each include ground leadframes and ground dielectric bodies. The ground leadframes each have at least one ground contact. Each ground dielectric body has a low loss layer on a first side of the ground leadframe and a lossy layer on a second side of the ground leadframe. The lossy layer and the low loss layer substantially enclose a transition portion of the ground contact. The lossy layers are manufactured from lossy material having conductive particles in a dielectric binder material. The lossy layers absorb electrical resonance propagating through the contact module stack. |
| US09490583B2 |
LVDS connector
An LVDS connection comprises: a plurality of conductive terminals, an insulative housing, a shielding housing, and a first plastic body, each conductive terminal comprising a base portion and an elastic contact portion, and the insulative housing comprising a base body and base body end portions, wherein the plurality of conductive terminals are respectively inlaid and are insert molding on the base body, and the elastic contact portion extends out of a front side face of the insulative housing in a suspension manner. The plurality of conductive terminals and the insulative housing are inlaid and thus insert molding. The shielding housing comprises the first housing, the second housing, and the bending portion, wherein the bending portion is bent to form a receiving space with the first housing and the second housing. The insulative housing is assembled in the receiving space. |
| US09490582B2 |
Insulation body of a plug-in connector
The invention relates to an insulation body that can be inserted into a housing (11) of a plug-in connector (10), which is formed from a connecting portion (2) and a contacting portion (3), wherein in the contacting portion (3), contacting means (4) are provided and the connecting portion (2) is provided with recesses (5), in which individual conductors of a multi-core cable can be clamped, wherein the connecting portion (2) and the contacting portion (3) can be joined together, so that the individual conductors of the multi-core cable can be electrically contacted by means of the individual contacting means (4). According to the invention, the connecting portion (2) includes means that orientate the individual conductors along the recesses (5) of the connecting portion (2) in such a way that each of the conductors is pushed into the respective recesses and the direction of the conductor changes along the recesses. |
| US09490581B2 |
Connector insert assembly
Connector inserts having contacts with a high-impedance for good signal integrity and low insertion loss, a pleasant physical appearance, and that may be reliably manufactured. One example may provide connector inserts having signal contacts with a high impedance in order to improve signal integrity to allow high data rates. Another may provide connector inserts having a pleasant appearance by providing features to prevent light gaps from occurring between a plastic tip at a front of the connector insert and a connector insert shield. Another may provide reliable manufacturing by crimping a cap used to secure a cable to a connector insert with a multi-section die, where contacting surfaces of the die include various points or peaks along their surface. These points may effectively wrinkle or jog the perimeter of the cap, thereby reducing the dimensions of a cross-section of the cable. |
| US09490573B2 |
Electrical plug connector with double casing
A plug connector suitable for connecting with a socket connector including a first internal screw thread is provided. The plug connector includes an internal casing having an inside space, a set of terminals disposed in said inside space, a sleeve tube and an external casing. The sleeve tube is fixed to said internal casing and includes an external hook. The external casing is movably covered to said internal casing and includes a first external screw thread, an internal hook and a concaved slot caving in the inner surface of the external casing facing to said internal casing. The internal hook forms one of walls of said concaved slot. The external hook is movably disposed in said concaved slot. When said socket connector screws to said plug connector, said external casing is pulled toward said socket connector, and said internal hook of said external casing contact said external hook of said sleeve tube. |
| US09490572B2 |
Electrical plug connector
The invention relates to an electrical plug connector including a plug and a coupling in which radially spring elastic annular contact lamellas are arranged. In order to prevent corrosion when the plug and the coupling are made from different materials the invention proposes a tin plated bushing in the coupling in which bushing the contact lamellas are arranged. |
| US09490571B1 |
Electrical connector having wafers
An electrical connector includes a shell having a cavity and a wafer assembly received in the cavity. The wafer assembly includes a wafer housing holding a plurality of electrical wafers configured to be electrically mated to a mating connector. The wafer housing has a front end and the wafers extend forward from the front end being arranged parallel to each other within the cavity. Each wafer includes a first edge and a second edge with at least one trace between the first and second edges. An interfacial seal is provided along the front end. The interfacial seal is configured to seal between the electrical connector and the mating connector. The interfacial seal provides an environmental seal for the wafer assembly. |
| US09490564B2 |
Structure for provisional locking of terminal of connector
A bevel portion extends from a front end of a plate-like electrical contact of the terminals to a lengthwise intermediate portion of the electrical contact, the bevel portion residing at an intersection of a width surface of the electrical contact with a thickness surface of the electrical contact. A step portion resides at an end of the bevel portion at the lengthwise intermediate portion of the electrical contact, the thickness surface extending in the thickness direction having one portion with reduced width defined by the bevel portion in the thickness direction. The other portion of the thickness surface continuing to an end of the step portion has an increased width in the thickness direction to define a press-fit portion. The electrical contact is inserted in a hole of a housing to the extent defined by the step portion and thereby provisionally locked with the press-fit portion press-fitted in the hole. |
| US09490562B2 |
Reduced diameter hyperboloid electrical contact
A hyperboloid contact socket comprises a tubular body of conductive material having at one end an entrance aperture and cavity for receiving a mating pin terminal, and an integral termination extending from the opposite end of the tubular body. The tubular body contains a plurality of conductive wires attached at their inner ends to the inner surface of the tubular body at or near the bottom of the cavity by a press fit plug. The outer ends of the conductive wires are fastened to the tubular body by being wrapped around a reduced diameter section at the open end of the tubular body and secured by a press fit ring. The conductive wires are disposed within the tubular body in an angular disposition to form the shape of a single sheet hyperboloid. |
| US09490561B2 |
Electrical plug contact with conductive plastic and reduced contact resistance
The present invention concerns an electrical plug contact (110), which can be connected in electrically conducting manner with a mating plug contact (40), wherein the plug contact (10) in at least one contact section (18), which is configured for the direct electrically conductive contacting with the mating plug contact (40), comprises a plastic filled with electrically conductive filler material, wherein the contact section (18) has an exposed contact surface (18a) formed from the plastic filled with the electrically conductive filler material, characterized in that the contact surface (18a) has a base region (24) and a sacrificial projection region with at least one sacrificial projection (22) opposite the base region (24) and pointing away from its surface, which is designed to be at least partly removed when making an electrical connection with the mating plug contact (40). |
| US09490553B2 |
Round terminal fixation structure
Provided is a round terminal fixation structure which can easily install a round terminal at a fixation position and prevent assembling failure. The round terminal fixation structure fixes the round terminal connected to an end of an electric wire to a bus bar in an overlapping fashion by a bolt. The round terminal includes a bolt insertion portion having a first through-hole for passing the bolt and a core wire crimp portion crimping a core wire of the electric wire. The bus bar includes a flat plate portion having a second through-hole for passing the bolt and a standing piece extending perpendicularly from the flat plate portion and configured to abut on the core wire crimp portion when bolting the round terminal to prevent rotation of the round terminal. A distal end of the standing piece is slanted towards the flat plate portion with distance from the second through-hole. |
| US09490551B2 |
Fitting equipped electrically conductive sheet
A fitting-equipped electrically conductive sheet and a connection fitting configured to electrically connect to another member, in which both a low connection resistance and a high fixing strength are easily achieved. The connection fitting has a crimp section that is crimped to an edge section of the electrically conductive sheet material. The crimp section includes a pair of plate-shaped holding sections between which the edge section of the sheet material is sandwiched, and a folded-back section that connects them. One of the pair of plate-shaped holding sections has a band-shaped recess on an outer surface of an intermediate region between the folded-back section and the opposite edge section, the band-shaped recess being band-shaped by being more strongly crimped to the sheet material than other parts. |
| US09490550B2 |
Aluminum-based terminal fitting
Provided are an aluminum-based terminal fitting in which a Sn layer has high peel resistance, and a terminal connecting structure of an electric wire provided with the terminal fitting. The aluminum-based terminal fitting includes a wire barrel portion (110) for connection to a conductor (210) constituted by aluminum or an aluminum alloy and provided in an electric wire (200), and a fitting portion (female fitting portion (130) or male fitting portion (140)) provided to extend from the wire barrel portion (110) and electrically connected to a separate terminal fitting. A Sn layer formed directly on a base material constituting the terminal fitting is provided on the contact region in the fitting portion. |
| US09490546B2 |
Antenna
There is provided an antenna including an antenna element that has a prescribed length and detects a line of electric force, a transmission line that transmits an electrical signal, and a radio wave absorbing and attenuating part that has characteristics to absorb and attenuate a radio wave of a frequency band received by the antenna element and is arranged at least between the antenna element and the transmission line. |
| US09490541B2 |
Loop antenna
A loop antenna in accordance with the present invention has an antenna element having a shape that traces a closed curve, the antenna element including (i) a first projection section which projects from one of two end sections of the antenna element toward an inside of the closed curve and (ii) a second projection section which projects from the other of the two end sections of the antenna element toward the inside of the closed curve, each of the first projection section and the second projection section including a feed point. |
| US09490540B1 |
Patch antenna
A terrestrial transceiver is described, which is operable for exchanging RF signals with communication satellites. The transceiver has a patch antenna sensitive to signals within an L-Band RF range and operable for providing a gain to the RF signals. A metallic reflector of a characteristic dimension is operable for shaping a pattern of the RF gain of the patch antenna. A printed circuit board assembly (PCBA) has a dielectric substrate, an electronic component disposed upon the substrate, and a hole penetrating the substrate and disposed substantially within a central region thereof. Based on the dimension characteristic of the reflector and on a positioning and/or a dimension of the hole, the RF gain diverges over an angle from a boresight of the patch antenna. |
| US09490538B2 |
Planar dual polarization antenna and complex antenna
A planar dual polarization antenna for receiving and transmitting at least one radio signal includes a first patch plate, a metal grounding plate and a first dielectric layer disposed between the first patch plate and the metal grounding plate. The metal grounding plate includes a first pattern slot and a second pattern slot symmetric with respect to a centerline of the first patch plate. A first rectangle and a second rectangle enclosing an angle constitute a shape of the first pattern slot. The first rectangle and the second rectangle meet at a pivot vertex. |
| US09490536B2 |
Multi-band antenna
A multiband antenna for mobile devices that includes both energized and parasitically-coupled resonant elements. An energized element is fed radio frequency energy and resonates at a first frequency. A first parasitic element, arranged on a same surface as the energized element, is parasitically coupled to the energized element and resonates with at least a second frequency. A second parasitic element, arranged on a surface opposite the energized element resonates at a third frequency. |
| US09490535B2 |
Apparatus and assembling method of a dual polarized agile cylindrical antenna array with reconfigurable radial waveguides
Embodiments are provided for an agile antenna that beamsteers radio frequency (RF) signals by selectively activating/de-activating tunable elements on radial-waveguides using direct current (DC) switches. The agile antenna device comprises a first radial waveguide structure encased in a first frame, a first line feed connected to the first waveguide structure, a second encased radial waveguide structure similar and coupled to the first waveguide structure. The two waveguide structures include the tunable elements controlled by the DC switches. A second line feed is connected to the second waveguide structure. The two line feeds provide the RF signal to the antenna. The antenna device also includes a plurality of radiating elements positioned between the first radial waveguide structure and the second radial waveguide structure, and distributed radially around a circumference of the first radial waveguide structure and a circumference of the second radial waveguide structure. |
| US09490534B1 |
Dynamic optimization of antenna systems
Various methods and systems for dynamically optimizing the azimuth and tilt settings of antenna systems based on analyzing network parameters are provided. Analyzing network parameters may be by way of an automated feedback mechanism, where measurements for network parameters, including, for example, traffic patterns, radio channel conditions, capacity offload requirements and coverage requirements are received for one or more network cells. The network parameter measurements are associated with an antenna system of the one or more network cells. The network parameter measurements correspond to one or more network parameters each having a threshold level for optimal operation of the network. A determination is made that a network parameter measurement for at least one of the one or more network parameters meets a corresponding threshold level. An adjustment for the azimuth setting and a tilt setting of the antenna system is determined such that the antenna system is adjusted. |
| US09490532B2 |
Antenna device and array antenna device
An antenna device includes: a cavity part 1 composed of a metal conductor having an opening closed in a bottom; a first excitation circuit 10 superposed and disposed on the upper surface of the cavity part 1, and including inside thereof a first power feeding probe 13 and a first transmission line 14 that feeds electric power to the first power feeding probe 13, and radiating a radio wave of a first polarized wave; and a second cavity part 30 and a third cavity part 50 superposed and disposed on the upper surface of the first excitation circuit 10, and composed of a metal conductor having open holes, and further includes, above the first excitation circuit 10, a matching element 45 composed of a conductor. |
| US09490525B2 |
Resilient antenna mast
In one embodiment, an antenna system comprises a lower mast member that has a first transverse member mounted in an interior of the lower mast member. An upper mast member has a second transverse member mounted in the interior of the upper mast member. A resilient member establishes a movable connection between the lower mast member and the upper mast member, in which the upper mast member can form a pivot angle with respect to the lower mast member. The resilient member is secured or retained axially by the first transverse member and the second transverse member. |
| US09490524B2 |
Spring boot for a mobile antenna
A spring boot for use with an antenna comprises a cylindrical main body having an annular flange at the lower end thereof, and an annular rim at the upper end thereof. The flange has a plurality of mounting holes therethrough. The interior of the spring boot is hollow and is configured to match the shape of the antenna spring. When installed, the spring boot is fitted over the spring, and seated on an antenna mount, encircling the spring. Fasteners are installed through the mounting holes on the flange to affix the spring boot to corresponding bores in the mount. A washer is positioned atop the rim and is fixed between the antenna core and the spring. This configuration effectively constrains the spring boot between the core and the mount, so as to provide added damping to the antenna spring. |
| US09490523B2 |
Methods of modifying erect concealed antenna towers and associated modified towers and devices therefor
The disclosure describes installing an antenna canister in a portion of a concealed antenna pole at a location that is below a top of the pole while the antenna pole is erect and associated components to facilitate the procedure, as well as multi-piece vertical rods, pole mounting bracket assemblies and retrofit kits. |
| US09490520B2 |
Broadband directional coupler
A broadband directional coupler for measuring a power of a forward or returning high-frequency signal on a coaxial line provides a voltage splitter comprising a first resistor, a second resistor and a third resistor. The first connection of the first resistor is connected to an inner conductor of the coaxial line, the second connection of the first resistor and the first connection of the second resistor are connected to a measuring unit. The first connection of the third resistor is connected to an outer conductor of the coaxial line and to the second connection of the second resistor. The second connection of the third resistor is connected to a ground. The third resistor is annular in shape and arranged concentrically to the inner conductor in a plane orientated orthogonally relative to the inner conductor. |
| US09490515B2 |
High-frequency signal line
A high-frequency signal line includes a dielectric laminate body including a first dielectric layer, an adhesive layer and a second dielectric layer laminated in this order from a first side to a second side in a direction of lamination. A linear signal line is fixed on a main surface of the adhesive layer. A main ground conductor is provided on a main surface of the dielectric layer. An auxiliary ground conductor is provided on the second dielectric layer. The adhesive layer bonds the first and second dielectric layers together. A distance in the direction of lamination between the signal line and the main ground conductor is greater than a distance in the direction of lamination between the signal line and the auxiliary ground conductor. |
| US09490511B2 |
Nonreciprocal transmission line apparatus whose propagation constants in forward and backward directions are different from each other
When a phase constant in a first mode of propagation in the forward direction is βp, and a phase constant in a second mode of propagation in the backward direction is βm, respective first and second electrical lengths of stub conductors are set so that a function of nonreciprocal phase shift amount βNR=(βp−βm)/2 with respect to an operating angular frequency comes close to a function βNRZ with respect to an operating angular frequency, when beam squint of such a phenomenon that a radiation direction of electromagnetic waves radiated from a nonreciprocal transmission line apparatus changes in accordance with frequency does not occur in the vicinity of an intersection of a dispersion curve representing a relation between the phase constant βp and the operating angular frequency and a dispersion curve representing a relation between the phase constant βm and the operating angular frequency. |
| US09490510B2 |
Power storage unit and solar power generation unit
Disclosed is a power storage unit which can safely operate over a wide temperature range. The power storage unit includes: a power storage device; a heater for heating the power storage device; a temperature sensor for sensing the temperature of the power storage device; and a control circuit configured to inhibit charge of the power storage device when its temperature is lower than a first temperature or higher than a second temperature. The first temperature is exemplified by a temperature which allows the formation of a dendrite over a negative electrode of the power storage device, whereas the second temperature is exemplified by a temperature which causes decomposition of a passivating film formed over a surface of a negative electrode active material. |
| US09490508B2 |
Battery assembly having a thermal management system
A battery assembly includes a plurality of battery cells disposed adjacent and in heat transfer relationship with a plurality of cooling modules. The cooling modules are directly affixed to or cause to abut at least one of a first thermally conductive base and a second thermally conductive base forming a thermal transfer path from the battery cells through the cooling modules to the at least one thermally conductive base. |
| US09490507B2 |
Li-ion battery thermal runaway suppression system using microchannel coolers and refrigerant injections
A battery management system with thermally integrated fire suppression includes a multiplicity of individual battery cells in a housing; a multiplicity of cooling passages in the housing within or between the multiplicity of individual battery cells; a multiplicity of sensors operably connected to the individual battery cells, the sensors adapted to detect a thermal runaway event related to one or more of the multiplicity of individual battery cells; and a management system adapted to inject coolant into at least one of the multiplicity of cooling passages upon the detection of the thermal runaway event by the any one of the multiplicity of sensors, so that the thermal runaway event is rapidly quenched. |
| US09490504B2 |
Non-aqueous electrolyte secondary battery, and manufacturing method thereof
A lithium secondary battery 100 is configured such that an electrode body 20, in which a cathode and an anode are stacked via a separator impregnated with an electrolyte, is housed in a battery case 10 having a substantially cylindrical square shape and that an opening 12 of the case 10 is blocked by a lid 14. Further, the lid 14 is provided with a cathode terminal 38 and an anode terminal 48, and such terminals are respectively connected, inside the battery case 10, to an internal cathode collection terminal 37 and an internal anode collection terminal 47. A non-aqueous electrolyte used for the lithium secondary battery 100 contains, as a specific compound, for example, LiBOB, and an initial content of such specific compound relative to a capacitance of the anode is 0.04 to 0.5 [(mol/kg)/(mF/cm2)]. |
| US09490502B2 |
Electrolyte and rechargeable lithium battery including the same
An electrolyte for a rechargeable lithium battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2 is disclosed. A rechargeable lithium battery including the electrolyte is also disclosed. The structures and definitions of the Chemical Formulae 1 and 2 are the same as described in the detailed description. |
| US09490497B2 |
Solid polymer electrolyte type fuel cell, and electrolyte membrane-electrode-frame assembly
Provided is a solid polymer electrolyte type fuel cell having high durability. The fuel cell comprises a stack of single cell modules, each including an electrolyte membrane-electrode-frame assembly and a pair of separators. The electrolyte membrane-electrode-frame assembly includes a catalyst layer-attached electrolyte membrane having a polymer electrolyte membrane, an anode catalyst, and a cathode catalyst, a frame that is disposed at a peripheral portion of the catalyst layer-attached electrolyte membrane and has a rectangular inner periphery, and a pair of gas diffusion layers that are disposed on both surfaces of the catalyst layer-attached electrolyte membrane. The gas diffusion layers were disposed to cover an inner peripheral portion of the frame, respectively. A thickness of at least a part of a corner portion of the inner peripheral portion is smaller than a thickness of a linear side portion of the inner peripheral portion of the frame. |
| US09490492B2 |
Air supply and exhaust structure for fuel cell
An air supply and exhaust structure for supplying a reaction air to a fuel cell and exhausting the reaction air passing through the fuel cell includes: an intake duct configured to guide reaction air to the fuel cell; an exhaust duct configured to discharge the reaction air passing through the fuel cell to an outside of the fuel cell; a blower provided in the exhaust duct and configured to suck the reaction air passing through the fuel cell to promote discharge of the reaction air; and an exhaust side shield unit which is disposed inside the exhaust duct and between the fuel cell and the blower and configured to temporarily block the reaction air discharged from the fuel cell and to retain the reaction air in a periphery of the fuel cell so as to introduce the reaction air to the fuel cell. |
| US09490491B2 |
Separable fuel cartridge
A fuel supply (10) is attachable to a fuel cell system (12). The fuel supply includes a fuel supply connector (14) configured to be attached to the fuel cell system. A fuel supply connector automatically separates the fuel supply from the fuel cell system in a predetermined manner if exposed to a separation load. Valves (24, 26) or filler material (23a-d) are used to automatically stop the flow of fuel through the fuel supply connector. Alternatively, the fuel supply connector includes a flexible tube (114) and a valve disposed within the connector. The flexibility of the tube prevents the connector from breaking in case of a separation load. |
| US09490488B2 |
Process for the preparation of membrane electrode assemblies (MEAs)
PBI-based MEAs for high temperature Polymer Electrolyte Membrane Fuel Cell (PEMFC) were prepared by direct hot pressing of catalyst layer on Teflon sheets on to both sides of phosphoric acid doped PBI membrane (decal transfer). These MEAs show two times higher performance compared to the MEAs prepared by normal brush coating method on GDL at an operating temperature of 160° C. |
| US09490486B2 |
Method for removing strongly adsorbed surfactants and capping agents from metal to facilitate their catalytic applications
A method of synthesizing activated electrocatalyst, preferably having a morphology of a nanostructure, is disclosed. The method includes safely and efficiently removing surfactants and capping agents from the surface of the metal structures. With regard to metal nanoparticles, the method includes synthesis of nanoparticle(s) in polar or non-polar solution with surfactants or capping agents and subsequent activation by CO-adsorption-induced surfactant/capping agent desorption and electrochemical oxidation. The method produces activated macroparticle or nanoparticle electrocatalysts without damaging the surface of the electrocatalyst that includes breaking, increasing particle thickness or increasing the number of low coordination sites. |
| US09490482B2 |
Galvanic elements containing oxygen-containing conversion electrodes
A galvanic element containing a substantially transition metal-free oxygen-containing conversion electrode, a transition metal-containing cathode, and an aprotic lithium electrolyte. The substantially transition metal-free oxygen-containing conversion electrode materials contain lithium hydroxide and/or lithium peroxide and/or lithium oxide, and in the charged state additionally contain lithium hydride, and are contained in a galvanic element, for example a lithium battery, as the anode. Methods for producing substantially transition metal-free oxygen-containing conversion electrode materials and galvanic elements made of substantially transition metal-free oxygen-containing conversion electrode materials are also provided. |
| US09490480B2 |
Molecular precursors for lithium-iron-containing cathode materials
Lithium-iron molecular precursor compounds, compositions and processes for making a cathode for lithium ion batteries. The molecular precursor compounds are soluble and provide processes to make stoichiometric cathode materials with solution-based processes. The cathode material can be, for example, a lithium iron oxide, a lithium iron phosphate, or a lithium iron silicate. Cathodes can be made as bulk material in a solid form or in solution, or in various forms including thin films. |
| US09490477B2 |
Nickel-metal hydride storage battery including negative electrode containing yttrium substituted hydrogen storage alloy and electrolyte solution containing sodium hydroxide
A nickel-metal hydride storage battery includes a negative electrode containing a hydrogen storage alloy and an electrolyte solution. The hydrogen storage alloy has a CaCu5-type crystal structure and contains at least a Ni element and a rare earth element. The rare earth element is partly substituted with an Y element, and the electrolyte solution contains NaOH in an amount of 2.0 M or more. |
| US09490475B2 |
High energy cathode for a battery
An electrode for an electrochemical cell including a metal fluoride containing active electrode material and an intrinsically conductive coating wherein the coating is applied to the active electrode material by heating the mixture for a time and at a temperature that limits degradation of the cathode active material. The active material can be a hybrid material formed from the reaction of a metal fluoride and a metal complex. |
| US09490472B2 |
Method for manufacturing electrode for storage battery
To provide a storage battery electrode including an active material layer with high density that contains a smaller percentage of conductive additive. To provide a storage battery having a higher capacity per unit volume of an electrode with the use of the electrode for a storage battery. A slurry that contains an active material and graphene oxide is applied to a current collector and dried to form an active material layer over the current collector, the active material layer over the current collector is rolled up together with a spacer, and a rolled electrode which includes the spacer are immersed in a reducing solution so that graphene oxide is reduced. |
| US09490466B2 |
Terminal attachment structure
A terminal attachment structure allows a terminal to be firmly and closely fixed to a terminal attachment plate in a stable state even under external vibrations or impact, and a joint surface can be flatly finished without a difference in level between the terminal and the terminal attachment plate. The terminal attachment structure has the terminal attachment plate including a polygonal groove portion and a through hole formed in a center of the groove portion, and the terminal including a flange that has the same polygonal shape as that of the groove portion, a leg part that extends from a lower surface of the flange and inserts into the through hole, and a terminal main body that extends from an upper surface of the flange. After the flange is fitted into the groove portion, the leg portion is flattened to fix the terminal to the terminal attachment plate. |
| US09490465B2 |
Z-shaped bus bar for a battery pack
A battery pack with a compact and robust bus bar assembly is provided. The batteries within the pack are divided into groups, where the batteries within each battery group are connected in parallel and the groups are connected in series. A repetitive sequence of overlapping bus bars is used, with each bus bar comprised of upper and lower segments coupled together via a step segment. The overlapping design allows the upper surface of the upper segment of each of the repetitive bus bars to be aligned within an upper plane, and the lower surface of the lower segment of each of the repetitive bus bars to be aligned within a lower plane. |
| US09490464B2 |
Secondary battery
Disclosed are a secondary battery including an electrode assembly which includes a first electrode plate and a second electrode plate arranged as a stack, and a separator interposed between the first electrode plate and the second electrode plate, the first electrode plate including a first active material coating part formed by coating a base with a first active material and a first non-coating part, the second electrode plate including the second active material coating part formed by coating a base with a second active material and a second non-coating part, and the first non-coating part including an insulating member in a portion corresponding to the second electrode plate. |
| US09490456B2 |
Method of manufacturing organic EL element, organic EL element, organic EL apparatus, and electronic device
An organic EL element with a functional layer including at least a hole injection layer, a hole transport layer, and a luminescence layer laminated from a pixel electrode side in order between a pixel electrode as an anode and a counter electrode as a cathode, and a method of manufacturing the organic EL element has a forming process by applying a solution including a low molecular material and a high molecular material to at least one layer among the hole injection layer, the hole transport layer, and luminescence layer, in which the molecular weight of low molecular material is 10,000 or less and the molecular weight of high molecular material is 10,000 to 300,000, and in which a mixing ratio of low molecular material is 10 wt % to 90 wt % with respect to the weight of low molecular material and high molecular material included in the solution. |
| US09490453B2 |
Quasi-crystal organic light-emitting display panel and method for simulating optical efficiency of the same
A quasi-crystal organic light-emitting display panel including a first electrode layer, an organic light-emitting layer, a second electrode layer, a buffer layer, a 10-fold quasi-crystal layer and a package cover is provided. The organic light-emitting layer is located on the first electrode layer. The second electrode layer is located on the organic light-emitting layer. The buffer layer is located on the second electrode layer. The 10-fold quasi-crystal layer is located on the buffer layer. The package cover is located on the 10-fold quasi-crystal layer. A method for simulating optical efficiency of the quasi-crystal organic light-emitting display panel is also provided. |
| US09490441B2 |
Semiconductor device, method of manufacturing semiconductor device, solid-state image pickup unit, and electronic apparatus
There are provided a semiconductor device capable of adjusting a work function without reducing light transmittance of an electrode, a method of manufacturing this semiconductor device, a solid-state image pickup unit including this semiconductor device, and an electronic apparatus including this solid-state image pickup action. The semiconductor device includes a functional layer between a first electrode and a second electrode, the functional layer including an organic film, in which the first electrode and the second electrode are made of a same transparent conductive material, and an oxygen amount at an interface on the functional layer side of the first electrode is smaller than an oxygen amount at an interface on the functional layer side of the second electrode. |
| US09490437B2 |
Organometallic compound and organic light-emitting device including the same
An organometallic compound represented by Formula 1: M(L1)n1(L2)n2, Formula 1 wherein M is selected from iridium (Ir), platinum (Pt), osmium (Os), titanium (Ti), zirconium (Zr), hafnium (Hf), europium (Eu), terbium (Tb), thulium (Tm), and rhodium (Rd), and wherein L1 is a ligand represented by Formula 2A and L2 is a ligand represented by Formula 2B, and wherein L1 and L2 in Formula 1 are different from each other, |