Document Document Title
US08787602B2 Device for and a method of processing audio data
A device (100) for processing audio data, wherein the device (100) comprises a first audio reproduction unit (102) adapted for reproducing a first part of the audio data and adapted to be attached to a left ear (106) of a user (110), a second audio reproduction unit (104) adapted for reproducing a second part of the audio data and adapted to be attached to a right ear (108) of the user (110), a detection unit (112) adapted for detecting a left/right inversion of the first audio reproduction unit (102) and the second audio reproduction unit (104), and a control unit (114) adapted for controlling the first audio reproduction unit (102) for reproducing the second part of the audio data and for controlling the second audio reproduction unit (104) for reproducing the first part of the audio data upon detecting the left/right inversion.
US08787600B2 Assembly of a capacitive acoustic transducer of the microelectromechanical type and package thereof
A microelectromechanical-acoustic-transducer assembly has: a first die integrating a MEMS sensing structure having a membrane, which has a first surface in fluid communication with a front chamber and a second surface, opposite to the first surface, in fluid communication with a back chamber of the microelectromechanical acoustic transducer, is able to undergo deformation as a function of incident acoustic-pressure waves, and faces a rigid electrode so as to form a variable-capacitance capacitor; a second die, integrating an electronic reading circuit operatively coupled to the MEMS sensing structure and supplying an electrical output signal as a function of the capacitive variation; and a package, housing the first die and the second die and having a base substrate with external electrical contacts. The first and second dice are stacked in the package and directly connected together mechanically and electrically; the package delimits at least one of the front and back chambers.
US08787598B2 Dynamic contoured-sound/subwoofer-synthesis audio system
A dynamic sound enhancement system and method which produces non-linear dynamic gain, time domain offset, and damping control in relation to frequency components of an applied audio signal. The functions and characteristics of the system make it feasible to extend the ability of small speakers to distinctly reproduce natural low frequencies including bass and sub-bass frequencies concurrently with high frequencies. Further, the system provides customization of system characteristics for obtaining optimized sound quality, audibility, and sound perception from diverse sound producing devices, and which satisfies diverse user hearing needs and listening preferences.
US08787589B2 Electronic device and system and method thereof for identifying electronic accessory and controlling electronic device
An electronic device connectable with an electronic accessory according to the present disclosure is provided. The electronic device includes a jack, a data signal transceiving unit, a measuring unit, a switching unit and a processing unit. The jack is adapted to receive an insertion of a plug of the electronic accessory and has a first contact terminal adapted to be in contact with a first contact of the plug. The data signal transceiving unit is adapted to transmit to or receive from the electronic accessory a data signal through the first contact terminal of the jack. The measuring unit is adapted to measure a parameter resulted from the contact of the first contact terminal of the jack with the first contact of the plug through the first contact terminal when the plug is inserted into the jack. The switching unit is adapted to selectively connect the first contact terminal of the jack electrically to the data signal transceiving unit or the measuring unit. The processing unit executes a corresponding function according to the measured parameter when the measured parameter has a first predetermined value.
US08787587B1 Selection of system parameters based on non-acoustic sensor information
An audio processing system processes an audio signal that may come from one or more microphones. The audio processing system may use information from one or more non-acoustic sensors to improve a variety of system characteristics, including responsiveness and quality. Those audio processing systems that use spatial information, for example to separate multiple audio sources, are undesirably susceptible to changes in the relative position of any audio sources, the audio processing system itself, or any combination thereof. Using the non-acoustic sensor information may decrease this susceptibility advantageously in an audio processing system.
US08787585B2 Method and system for frequency domain active matrix decoding without feedback
A perceptually motivated, frequency domain active matrix decoder and decoding method which decodes N audio input signals to generate M audio output signals, where M is greater than N, including by generating M streams of output frequency components which determine the audio output signals, in response to N streams of input frequency components indicative of the audio input signals, determining power ratios from the input frequency components without use of feedback, including at least one power ratio for each critical frequency band in a set of critical frequency bands, and determining gain control values for each of the critical frequency bands from the power ratios including by shaping the power ratios in nonlinear fashion without use of feedback. An active matrix element is steered using the gain control values.
US08787584B2 Audio metrics for head-related transfer function (HRTF) selection or adaptation
A method includes detecting, via a first microphone coupled to a user's left ear, a sound, detecting, via a second microphone coupled to the user's right ear, the sound, determining a time difference between detection of the sound at the first microphone and detection of the sound at the second microphone, and estimating a user's head size based on the time difference. The method also includes identifying a head-related transfer function (HRTF) associated with the user's head size or modifying, a HRTF based on the user's head size. The method further includes applying the identified HRTF or modified HRTF to audio signals to produce output signals and forwarding the output signals to first and second speakers coupled to the user's left and right ears.
US08787582B2 Key implementation system
An LSI includes a first decryptor which receives first encrypted key data, and decrypts the first encrypted key data using a first cryptographic key, thereby generating first decrypted key data, a second cryptographic key generator which generates a second cryptographic key based on a second ID, a second encryptor which encrypts the first decrypted key data using the second cryptographic key, thereby generating second encrypted key data, and a second decryptor which decrypts the second encrypted key data using the second cryptographic key, thereby generating second decrypted key data. At a time of key setting, the second encryptor stores the second encrypted key data in a storage unit. At a time of key usage, the second decryptor reads the second encrypted key data from the storage unit.
US08787581B2 Teired key communication system and method in support of controlled vendor message processing
A computer-implemented system processes secure electronic documents from one or more content providers in accordance with subscriber instructions has a processor and modules operative within the processor. A monitoring module obtains a provider GUID, a subscriber GUID, and a transaction ID from public metadata associated with a transaction received from a particular content provider. A determination module determines any designees of the subscriber and contact information one or more of the subscriber and any designees. A transaction module distributes a transaction addressed to at least one of the subscriber and any designees. Each distributed transaction includes data that is used for management, tracking, and alerting. Also described is a station for constructing transactions for distribution to subscribers through such a system, and management of local-advertising to users of such a system. An end-to-end system and method are described.
US08787575B2 Method and apparatus for propagating encryption keys between wireless communication devices
A system for propagating encryption key information between wireless communication devices without the requirement of pairing each and every device. A wireless communication device may be paired with at least one device in a group of devices. When a secure link is established between these devices, a determination may be made as to whether encryption key information should be passed from one device to another. The additional encryption key information may allow a wireless communication device to create a secure link with other devices without having to first establish a trusted relationship (e.g., go through a pairing process) with the other devices.
US08787571B2 Wired communications systems with improved capacity and security
Provided are methods and systems of using division-free duplexing (DFD) in a cable communication network. Techniques for applying DFD in a cable communication network may enable data to be transmitted and received over a coaxial cable without using division duplexing techniques. For example, the cable communication network may include DFD enabled network nodes and each subscriber to the cable network may be equipped with a DFD system configured to operate in a DFD mode. In some embodiments, oppositely propagating signals may be transmitted over one frequency channel, and DFD techniques may be used to recover originally transmitted signals. Further, in some embodiments, DFD techniques may be used with encryption methods to increase the security of data transmitted in the cable communication network.
US08787566B2 Strong encryption
An embodiment generally relates to a method of strong encryption. The method includes generating a first cryptographic key based on a random number and generating a second cryptographic key based on a password. The method also includes encrypting private data with the first cryptographic key to arrive at wrapped private data and encrypting the first cryptographic key with the second cryptographic key to arrive at a wrapped first cryptographic key.
US08787564B2 Assessing cryptographic entropy
Systems, methods, software, and combinations thereof for evaluating entropy in a cryptography system are described. In some aspects, sample values are produced by an entropy source system. A typicality can be determined for each of the sample values. A grading is determined for preselected distributions based on the typicalities of the sample values. A subset of the preselected distributions are selected based on the gradings. An entropy of the entropy source system is calculated based on the subset of the plurality of distributions.
US08787562B2 Method and system for providing DC power on local telephone lines
A telephone unit device connectable in series between a telephone set and a wire pair coupled to a telephone service and carrying DC power and an AC telephone signal. The device includes: a first connector connectable to the wire pair; a second connector connectable to the telephone set; means connected between the first and second connectors for passing substantially without change the AC telephone signal between the wire pair and the telephone set; and means connected between the first and second connectors for receiving DC power only from the wire pair and converting the DC power to a level suitable for proper telephone operation of the telephone set connected thereto.
US08787557B2 Method and apparatus for non-disruptive telecommunication loop condition determination
In one embodiment, a low cost, simple circuit for detecting an off-hook condition of a telecommunication line comprising tip and ring signal lines is provided. The circuit comprises a voltage divider for coupling between the tip and ring lines without an intervening transistor and having a node at which is presented a scaled version of a voltage across the voltage divider. The circuit further comprises a transistor having a control terminal coupled to the node, a first current flow terminal coupled to a voltage source, and a second current flow terminal coupled to an output terminal, wherein the output terminal bears a value that is indicative of a voltage across the tip and ring lines and thus whether the telecommunication line is off-hook.
US08787553B2 Implementing a network of intelligent virtual service agents to provide personalized automated responses
Communications using intelligent virtual service agents are provided by assigning a first individualized responsibility to a first intelligent virtual service agent implemented on at least one computer platform with a processor and a memory, and a second individualized responsibility to a second intelligent virtual service agent implemented on the at least one computer platform. The first intelligent virtual service agent analyzes content provided by a user via a communications medium and determined to fall under the first individualized responsibility of the first intelligent virtual service agent. The first intelligent virtual service agent generates a response to the content in accordance with the analysis by the first intelligent virtual service agent and provides the response.
US08787552B1 Call center issue resolution estimation based on probabilistic models
A system implements a method of assessing performance of a call center agent that includes identifying a set of the one-time caller calls that the agent has handled. A first issue resolution rate is determined for the calls in the set that were released by the customer, and a second issue resolution rate is determined for the calls in the set that were released by the call center agent. The method also includes determining a difference between the first issue resolution rate and the second issue resolution rate. The determined difference is used to generate a performance assessment for the call center agent.
US08787551B2 Method and apparatus for providing transaction data in a packet network
A method and apparatus for providing transaction data in a packet network is described. In one embodiment, at least one routed call is received. Transaction data is subsequently obtained from the at least one routed call. In turn, the transaction data is provided to an entity (e.g., a business or store) associated locally to the at least one routed call.
US08787549B2 Programmable caller ID
Methods and systems are disclosed for providing Programmable Caller ID Screening services. One method monitors a telephone call for a call screening request for commercial, residential, and other identifiers of incoming calls. An action is taken in response to the call screening request. The action could be playing an announcement, terminating the connection, forwarding to voice mail, storing the ICLID information in a database, adding the ICLID information to a Do Not Call list, updating a subscriber's profile with the ICLID information, and/or storing the ICLID information in a subscriber's blocked communications list. The call screening request may comprise a Dual-Tone Multi-Frequency, a softkey entry, and/or a data message. Subsequent incoming calls from the calling telephone number are characterized as undesirable and are screened from alerting or otherwise establishing a communications connection to the called telephone number.
US08787546B2 Apparatus, system, and method for automated call initiation
Apparatus, systems, and methods for communication analysis and handling, such as automated analysis and handling of telephone calls. In some implementations, the method may comprise initiating a first communication to a destination using a first communication line, performing an analysis on the first communication, and sending a communication signal generated at the destination to a first agent. The communication signal may comprise a live communication signal, and the step of sending the communication signal to the first agent may be performed concurrently with the analysis on the first communication such that the agent may thereby be able to monitor the communication and assume a natural response to the person without unnatural delay as the communication begins.
US08787545B1 Caller name identification using data structure synchronization of a wireline network and a wireless network
A device may receive a request to enable service on a wireless network for a user device. The user device may be associated with a wired network. The device may request network provisioning information, associated with the wired network, identifying service activation parameters. The device may provision the wireless network based on the request for network provisioning associated with the wired network. The device may synchronize caller information to a first caller information device, associated with the wireless network, from a second caller information device, associated with the wired network. The caller information may include caller identification information. The device may enable the service for the user device on the wireless network based on provisioning the wireless network and synchronizing the caller information to the first caller information device from the second caller information device.
US08787544B2 Internet protocol for IP private branch exchanges
An Internet protocol query for Internet protocol private branch exchanges including a private branch exchange that is connected to the public switched telephone network for receiving a call setup request, the private branch exchange not being enabled for receiving calling name delivery information from a telecommunications circuit; at least one of an incumbent local exchange carrier switch and a competitive local exchange carrier switch in communication with the private branch exchange, the at least one of the incumbent local exchange carrier switch and the competitive local exchange carrier switch having the telecommunications circuit not enabled for calling name delivery information retrieval; a network in communication with the private branch exchange; and a calling name delivery database in communication with the network for receiving calling name delivery queries from the private branch exchange based on the call setup request. Methods for routing calls based on ENUM information is also included.
US08787543B2 Ambient telephone communication system, a movement member, method, and computer readable medium therefor
An ambient telecommunication system includes at least one transmitter and a corresponding receiver for transmitting and receiving an electronically or digitally encoded information signal between two or more conversing parties. The system further includes a movement member configured to perform a movement or assume a certain physical posture, based on the result of content analysis of the information signal.
US08787539B2 Method and device for coupling a DC supply line to a telephone line or coaxial cable
A coupling device that implements a related method for remote powering wide band digital telecommunication devices through telephone lines or coaxial cables installed in all buildings, has an AC blocking transistor inserted in the electrical path from a voltage supply line to the telephone line or coaxial cable. The transistor has a first current terminal coupled to the supply line and a second current terminal coupled to the telephone line, and it is controlled with a DC control voltage such to keep it in a substantially linear functioning condition at the edge of a saturation condition during the normal functioning whatever the supply current that flows through the transistor is, destined to the connected telecommunication devices. This may be done by properly generating this control voltage by means of a dedicated voltage generator, or by nullifying the DC component of the difference of potential between the control terminal and the second current terminal, for example through a low-pass filter that generates the voltage on the control terminal as a low-pass replica of the voltage on the second current terminal.
US08787532B1 Semi automated review of contact center agent performance
A system for semi automated review of contact center agent performance, comprising a data manager, an evaluator user interface, a speech analytics engine, an automated evaluator software module, a database, and a call recording system. The call recording system records customer calls and stores the resulting call recordings in the database. The data manager collects and preprocesses a plurality of data elements pertaining to a plurality of specific call recordings and stores them in the database as metadata associated with the respective call recordings. The speech analysis engine conducts automated speech analysis of call recording, tags the call recording with a metadata element, and stores the metadata element in the database. The automated evaluator software module performs analysis of a call recording and prioritizes at least a subset of the call recordings for review by a human reviewer.
US08787531B1 Systems and methods for providing instant messaging to TDD/TTY users
Instant messaging (IM) is provided between a TDD/TTY user and an entity. The user may use a TDD device to initiate a call with the entity. One or more converters may convert a TDD message from the user's device to IM, which is then provided to a recipient of the call, such as a representative of a company. The converter(s) may also convert IM from the representative into a TDD message that may then be provided to the user on the TDD device.
US08787524B2 Orthovoltage radiotherapy
Radiosurgery systems are described that are configured to deliver a therapeutic dose of radiation to a target structure in a patient. In some embodiments, inflammatory ocular disorders are treated, and in some embodiments, other disorders or tissues of a body are treated with the dose of radiation. In some embodiments, target tissues are placed in a global coordinate system based on ocular imaging. In some embodiments, a fiducial marker is used to identify the location of the target tissues.
US08787522B2 Upright x-ray breast imaging with a CT mode, multiple tomosynthesis modes, and a mammography mode
A multi-mode system and method for imaging a patient's breast with x-rays in one or more of a CT mode, a narrow-angle tomosynthesis mode, a wide angle tomosynthesis mode, and a mammography mode, using essentially the same equipment, on one or more compressions or immobilizations of the breast.
US08787521B2 System and method of iterative image reconstruction for computed tomography
A system and method include acquisition of a set of image data corresponding to a time period of data acquisition, the set of image data corresponding to a plurality of voxels, wherein each of the plurality of voxels corresponds to a distinct acquisition time within the time period of data acquisition. The system and method further include the modeling of the plurality of voxels as a function of time based on a plurality of kinetic parameters associated therewith and reconstruction of an image from the set of image data based on the modeled plurality of voxels.
US08787514B2 Apparatus and method for generating pseudo noise code
An apparatus and method of generating a pseudo noise (PN) code is provided. The apparatus for generating the PN code includes: a memory device unit including a plurality of memory devices; an exclusive-OR (XOR) operation unit receiving output values of at least two memory devices among output values of the plurality of memory devices to output an XOR operation value with respect to the received output values; and a PN code generation unit generating the PN code based on an output value of the XOR operation unit.
US08787508B2 Channel estimation method and apparatus
A channel estimation method and apparatus are provided. The channel estimation method includes: extracting pilot data in a received signal; performing pilot channel estimation by using the extracted pilot data to obtain transmission coefficients of multiple groups of pilot channels; and obtaining a transmission coefficient of a data channel through non-linear interpolation processing by using the obtained transmission coefficients of the multiple groups of pilot channels. Solutions provided in the embodiments of the present invention help improve the channel estimation precision in a fast time-changing channel environment, thereby improving the system performance.
US08787503B2 Frequency mixer with compensated DC offset correction to reduce linearity degradation
An apparatus includes a frequency mixer circuit configured to generate a baseband signal based on a local oscillator signal and a radio frequency signal. The apparatus includes a compensation circuit configured to generate a DC offset-compensated signal based on the baseband signal, a DC offset compensation signal, and a second signal. The DC offset compensation signal and the second signal have currents approximately equal in magnitude and opposite in direction. A current of the DC offset-compensated signal is substantially the same as a current of the baseband signal. The compensation circuit may include a DC digital-to-analog converter circuit configured to generate the DC offset compensation signal and the second signal based on a control signal.
US08787501B2 Distributed sensing of signals linked by sparse filtering
Certain aspects of the present disclosure provide methods for distributed sensing and centralized reconstruction of two correlated signals, modeled as the input and output of an unknown sparse filtering operation.
US08787499B2 Channel estimation with effective co-channel interference suppression
A method for a wireless communication system is provided. The method includes isolating a set of pilot signals, where the pilot signals are associated with multiple base stations or multiple sectors of a single base station. This includes nulling a subset of the pilot signals to mitigate co-channel interference and to perform channel estimation in accordance with at least one of the pilot signals.
US08787495B2 Signal processing circuit and communication device having the same
An object of the present invention is to appropriately limit an amplitude of an IQ baseband signal having different average powers for respective frequency bands B1 and B2, without degrading an SNR.The present invention relates to a signal processing circuit 9 for reducing a PAPR of a modulated wave signal to be inputted to a power amplification circuit 5. The signal processing circuit 9 includes a power calculation section 13 that calculates an instantaneous power P of an IQ baseband signal of the modulated wave signal, and a signal processing section 17 that limits an amplitude of the IQ baseband signal by performing a clipping process or the like, by using cancellation signals Ic and Qc capable of canceling the IQ baseband signal in accordance with average powers of the respective frequency bands B1 and B2, such that an upper limit of an instantaneous power P becomes equivalent to a predetermined threshold Pth.
US08787493B2 Precoding technique
A technique for precoding a signal to be transmitted over a physical channel from a sender to a receiver is provided. A method includes receiving precoding information and applying precoding matrix at the sender based on the precoding information. The precoding information is received via a feedback mechanism from the receiver. The application of the precoding matrix results in a precoded signal for transmission over the physical channel. The precoding matrix enhances mutual information at the receiver.
US08787492B2 Symbol mapping method for repetition channel coding
A symbol mapping method for repetition coding is disclosed. The symbol mapping method comprises performing repetition coding on codeword to output repeated codeword symbols, and mapping the repeated codeword symbols with subcarriers located in different localized resource blocks. According to the embodiments of the present invention, it is possible to obtain maximum reliability in a receiving side by mapping codeword bits with subcarriers to reduce the number of bits having low reliability when a transmitting side uses repetition coding. Also, it is possible to improve decoding throughput and obtain channel diversity.
US08787487B2 Distortion compensation device and distortion compensating method
A distortion compensation device which reduces a distortion of an amplifier which is added to an output signal of the amplifier, the distortion compensation device including: a plurality of distortion compensation coefficient storage circuits which stores a plurality of distortion compensation coefficients and outputs the distortion compensation coefficients according to an amplitude of an input signal of the amplifier, a distortion compensating processing circuit which adds the distortion compensation coefficient output from each of the plurality of distortion compensation coefficient storage circuits to the input signal of the amplifier, and a distortion compensation coefficient updating circuit which performs weighting processing on the distortion compensation coefficient output from each of the plurality of distortion compensation coefficient storage circuits to reduce the distortion compensation coefficient and which calculates an update value of the distortion compensation coefficient by using the distortion compensation coefficient which is subjected to the weighting processing.
US08787485B2 Method and apparatus for open loop transmission in a multiple antenna wireless communication system
The invention concerns a method for precoding in an open loop transmission communications system, wherein the method includes precoding data at each of M REs with a precoding matrix, precoding each of DM-RSs with one column of a precoding matrix which is same as that used for precoding M data REs. The method is distinguished by using at least L≧2 different precoding matrices from a set of precoding matrices W to precode the M REs and the E allocated REs such that REs precoded with a first precoding matrix are interleaved with REs precoded with at least one additional, different precoding matrix and the number of used precoding matrices L is adapted to the transmission rank r and number N of available DM-RS. The invention further concerns a radio transmitter and a user equipment.
US08787479B2 Spatial mapping of an OFDM signal to reduce attenuation from an individual transmit antenna in a MIMO transmitter
A method is provided for transmitting a digital signal. The method includes generating a plurality of spatial streams from a digital signal and transforming the spatial streams into a plurality of space-time streams. Each of the space-time streams are cycled in the frequency domain among each of a plurality of transmit antennas. The space-time streams are wirelessly transmitted from the plurality of transmit antennas.
US08787477B2 Methods for assigning codewoods to points in hexagonal constellations in digital communication systems
Embodiments of the invention provide a methods for the assignment of codewords to the available constellation points to minimize the Hamming distance between adjacent codewords. An hexagonal constellation is modeled as a two-dimensional trellis with an horizontal axis varying across a plurality of constellation points and a vertical axis varying across a plurality of codewords [0, 1, . . . , N−1]. A best path through the trellis is found to select a single constellation point per each codeword where a codeword is to be assigned. A each state in the transition across the trellis diagram, a current score and the best path that leads to the state is stored in a memory. Each codeword is assigned to the selected constellation point. The hexagonal constellation is used for transmitting data in a communication system.
US08787476B2 Method and apparatus for allocating a plurality of data symbols in a wireless communication system
According to one embodiment, a method for transmitting an uplink signal includes transmitting the uplink signal including a block of data symbols. The block of data symbols are mapped to at least two sets of subcarrier blocks. Each data symbol of the block of data symbols is mapped to one of subcarriers of the at least two sets of subcarrier blocks. The at least two sets of subcarrier blocks are not contiguous in frequency. The block of data symbols are mapped in sequence starting with a first data symbol to the at least two sets of subcarrier blocks and in increasing order of subcarrier index.
US08787467B2 Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image
A filtering method is for performing deblocking filtering on the boundary between an IPCM block and a non-IPCM block adjacent to each other in an image and including: determining a first quantization parameter for the non-IPCM block; determining a second quantization parameter for the IPCM block, using the first quantization parameter; determining a filter strength for the boundary, using the first quantization parameter and the second quantization parameter; and performing the deblocking filtering on the boundary using the determined filter strength.
US08787460B1 Method and apparatus for motion vector estimation for an image sequence
A method and apparatus for motion vector estimation for a plurality of image frames including retrieving a reference hash value associated with a reference frame, wherein the reference hash value represents a spatially oriented block of pixels, generating a plurality of image hash values including a first hash value for a first area represented by a spatially oriented block of pixels of an image frame and computing a motion vector estimate using a plurality of first hash values and the reference hash value is disclosed.
US08787459B2 Video coding methods and apparatus
In methods for encoding and decoding digital pictures certain prediction parameters may be omitted from the output on the encoder side or the input on the decoder side. An encoder can identify prediction parameter values that can be omitted by determining whether a decoder emulator can reproduce the prediction parameter values from other information, such as predicted pixel and prediction error values of one or more previously decoded sections from the same or a different picture.
US08787457B2 Methods and apparatus for using syntax for the coded—block—flag syntax element and the code—block—pattern syntax element for the CAVLC 4:4:4 intra, high 4:4:4 intra, and high 4:4:4 predictive profiles in MPEG-4 AVC high level coding
There are provided methods and apparatus for using syntax for the coded_block_flag syntax element for the CAVLC 4:4:4 Intra, High 4:4:4 Intra, and High 4:4:4 Predictive profiles in MPEG-4 AVC high level coding. An apparatus includes an encoder for encoding image data into a resultant bitstream in accordance with an encoding profile that encodes a sample of the image data such that the sample includes two chrominance arrays and a luminance array. Each of the two chrominance arrays has a same height and a same width as the luminance array. The encoder indicates a presence of at least one 8×8 block in the resultant bitstream using a syntax element.
US08787456B2 Image decoding device and method thereof using inter-coded predictive encoding code
An image encoding device and corresponding decoding device are disclosed for achieving a high rate of compression. The encoding device includes an image conversion module that converts the direction of the images using right-left symmetry mode convention or up-down symmetry mode conversion. Encoding modules are used to encode both the unconverted and converted images. A mode selector module compares the quantity of codes in the encoded unconverted images and the quantity of codes in the encoded converted images, and selects codes that are smaller in the quantity of codes for output.
US08787452B2 Method of removing a blocking artifact using quantization information in a filtering system
In one embodiment, the method includes obtaining quantization information related to at least one of a first block and an adjacent second block, comparing the quantization information with a predefined constant value, and performing a filtering process based on a result from the comparing step. The filtering process includes calculating a value of at least one pixel in the first block based on pixel values of at least two pixels in the first block, and calculating a value of at least one pixel in the second block based on pixel values of at least two pixels in the second block. The at least two pixels in the first block and the at least two pixels in the second block are successive pixels across a block boundary between the first block and the second block.
US08787449B2 Optimal separable adaptive loop filter
An adaptive loop filter utilizing separable filters within a quadtree-based adaptive loop filter (QALF). The filters for at least the P and B pictures are replaced with a separable filter to provide Separable QALF (SQALF). In a preferred embodiment the filter comprises a Wiener filter as a best fit approximation of the non-separable filter. In response to decoding with the SQALF approach, computational complexity in the decoder is reduced without lowering perceived visual quality. Estimation of the separable filter is obtained in the encoder by iteratively minimizing the sum of squares error with the separable filter. The SQALF filtering is described within a video decoder.
US08787448B2 Picture coding method and picture decoding method
In a picture coding method for generating a coded signal corresponding to each picture by coding a plurality of coded signals, a switching picture which is capable of switching a plurality of coded signals and subsequent pictures of the switching picture can refer to only a group of pictures of the same time in the coded signals. More specifically, the case where picture numbers of an adjacent picture of an S picture and the S picture are not continuous is not considered as an error.
US08787447B2 Video transcoding system with drastic scene change detection and method for use therewith
A system for transcoding a video signal into a transcoded video signal includes a drastic scene change detection module that detects a drastic scene change in a sequence of images, wherein the drastic scene change indicates a change in scene complexity. A transcoder section generates the transcoded video signal, wherein, when the drastic scene change is detected, a quality parameter is adjusted in at least one of the sequence of images.
US08787446B2 Method of transmitting data
A method and device for transmitting data are discussed. In an embodiment of the present invention, a display state of image data for which transmission is requested is checked, and all or part of image data is transmitted depending on the checked state. The image data is downsampled and compressed into N layers having small-size screens, and all or some of the N compressed layers can be transmitted. In an embodiment, when the display state is in a separation display mode, some of the N layers created from image data for each channel for which transmission is requested are transmitted. When the display state is in a 1 channel display mode, all N layers created from image data for a channel for which transmission is requested are transmitted.
US08787444B2 Differential coding of intra directions (DCIC)
Spatial domain directional intra prediction has been shown to be very effective to remove the correlation between the pixels in the current block and reconstructed neighbors. In AVC, 8 directional prediction modes (plus the DC prediction mode) are defined. The prediction mode number is signaled to the decoder using a simple predictive coding method. The previous intra prediction methods have two major disadvantages: lack of precision for arbitrary directional patterns and accuracy lack of accuracy to exploit geometric dependency between blocks. To address these issues, a new method accurately predicts the intra directions from reconstructed neighboring pixels and differentially encode the intra directions. This allows a more precise directional prediction without the significant increase in the cost for transmitting the side information.
US08787440B2 Determination of receive data values
Adverse effects associated with collisions in a wireless communication system are mitigated by defining one or more values for receive data. Here, data that is expected to be received during a data transmission may be set to a defined value. In some cases the defined value is a predefined value (e.g., zero or some other value). In some cases the defined value is based on noise and/or signals levels in the system. In some implementations a device may define receive data values for a period of time during which data is expected to be received and during which a transmission occurs. In some aspects a hybrid on-off keying scheme is employed to determine received data values.
US08787436B2 Method and apparatus for reducing power consumption of communication device
A communication device is disclosed including: an analog-to-digital converter (ADC) for converting an analog input signal into a digital input signal; an equalizer module coupled with the ADC for processing the digital input signal to generate an equalized signal; a data slicer coupled with the equalizer module for generating an output signal based on the equalized signal; and a control unit coupled with the equalizer module and the data slicer; wherein the control unit or the equalizer module preserves at least one signal equalizing parameter of the equalizer module before the equalizer module enters power saving mode, and the equalizer module loads the at least one signal equalizing parameter to operate when the communication device receives a predetermined control signal.
US08787435B2 Narrow band interference determined by second and fourth order norms
Automatic gain control in a receiver. A method for controlling operating range of an analog-to-digital converter (ADC) by an automatic gain control circuit includes estimating a peak-to-average ratio corresponding to an analog signal from digital samples of the analog signal. The method includes determining a peak value corresponding to the analog signal based on the peak-to-average ratio. Further, the method includes maintaining magnitude of the analog signal at an input of the ADC and gain of the receiver based on the peak value.
US08787433B2 Wall clock timer and system for generic modem
A modem (for example, a modem within a cellular telephone) includes a plurality of Wireless Communication System Modem Sub-Circuits (WCSMSCs). Each WCSMSC receives a control signal generated by a corresponding one of a plurality of programmable timers. Each timer receives the same sequence of count values from a wall clock counter. A processor that controls overall modem operation can program a timer to generate a control pulse at a particular count time of the wall clock counter. The processor can also program a timer to generate a periodic control signal. The control signals output from the timers orchestrate when the various WCSMSCs start operating in the processing of a frame. By virtue of the programmability of the timers, the wall clock timer system is programmable to generate customized control signals such that frames of new and different protocols having arbitrary frame structures can be processed by the same modem/timer system.
US08787428B2 Soft forwarding for cooperative wireless communication
Providing for soft error decoding for wireless relay networks is described herein. By way of example, a wireless node in a wireless relay network can receive a direct signal from a source node, and can receive a forwarded version of the source signal from a relay node. An information flag included with the forwarded version is referenced to determine whether the relay node properly received the source signal. If the relay node received the source signal with an error and a destination node received the source signal with an error, soft decision information can be generated from the forwarded version of the source signal and employed to assist with decoding of the source signal at the destination node. The soft-decision information improves end-to-end performance of the wireless relay system, while mitigating complexity and bandwidth requirements for the relay node as compared with conventional signal decoding techniques.
US08787427B2 Chip-level processing for joint demodulation in CDMA receivers
A CDMA multi-code joint demodulation solution in which impairment suppression and channel matching operations are performed prior to despreading. Embodiments include a linear front end that performs chip-level suppression of signal components that are not included in a subsequent joint demodulation process. The pre-processing stage also carries out metric preparation and provides a vector decision statistic that is processed by a joint demodulation stage to extract per-code soft values for the symbols of interest in the received signal. Both code-specific and code-averaged versions of the linear processing are disclosed, as are several front-end configurations with equivalent performance, but different complexity trade-offs. These new approaches use a block formulation, requiring a set of input chip samples as an input, and perform all operations as matrix-vector multiplications, which is an approach amenable to efficient DSP or hardware implementation.
US08787426B2 Finger placement in multi-stage interference cancellation
In a receive node of a wireless network, an iterative multi-user multi-stage interference cancellation receiver is used. After each stage of interference cancellation, interference characteristics change. An adaptive finger placement strategy is used in which after each stage of interference cancellation, finger delays and combining weights of the receiver are adapted to reflect the changed interference characteristics.
US08787424B2 Circuit for spread spectrum transmission and method thereof
A spread spectrum transmission circuit includes a phase locked loop composed of a filter. The phase locked loop generates a series of incremental control signals and decreasing control signals based on the frequency difference and phase difference between a reference clock signal and a feedback signal. The circuit further has a frequency locked loop an amplitude locked loop, a digital-analog converter, an injection current source, an extraction current source, a multiplexer is connected to the locked phase loop and a rail-to-rail digital signal generator having an input connected to the multiplexer and an output connected to inputs of the locked frequency loop and the locked amplitude loop.
US08787419B2 High reliability etched-facet photonic devices
Semiconductor photonic device surfaces are covered with a dielectric or a metal protective layer. The protective layer covers the entire device, including regions near facets at active regions, to prevent bare or unprotected semiconductor regions, thereby to form a very high reliability etched facet photonic device.
US08787418B2 Emitting device with compositional and doping inhomogeneities in semiconductor layers
A device including one or more layers with lateral regions configured to facilitate the transmission of radiation through the layer and lateral regions configured to facilitate current flow through the layer is provided. The layer can comprise a short period superlattice, which includes barriers alternating with wells. In this case, the barriers can include both transparent regions, which are configured to reduce an amount of radiation that is absorbed in the layer, and higher conductive regions, which are configured to keep the voltage drop across the layer within a desired range.
US08787411B2 Mode-locked fiber laser based on narrowband optical spectral filtering and amplifier similaritons
Implementations and examples of mode-locked fiber lasers based on fiber laser cavity designs that produce self-similar pulses (“similaritons”) with parabolic pulse profiles with respect to time at the output of the fiber gain media to effectuate the desired mode locking operation. An intra-cavity narrowband optical spectral filter is included in such fiber lasers to ensure the proper similariton conditions.
US08787408B2 Method and apparatus for transmitting additional data in digital terrestrial broadcasting system
A method and an apparatus for transmitting additional data in a digital terrestrial broadcasting system are provided. The apparatus includes: a main signal generating unit channel-coding main data and converting the main data into a main signal; an additional signal generating unit channel-coding additional data and converting the additional data into an additional signal; a mixed signal generating unit generating a mixed signal by coupling the main signal and the additional signal to each other; and a mixed signal transmitting unit modulating the mixed signal and transmitting the modulated mixed signal to a receiver through a transmission antenna, wherein the additional data is additional data requested by a specific user possessing the receiver and the specific user provides information on an additional data transmitter.
US08787403B2 Audio convergence control facilitating bitpool value converging to stable level
A system includes a controller that provides an output control signal based on two or more control inputs. The controller determines an indication of radio frequency (RF) bandwidth availability based on a given one of the control inputs. The output control signal can correspond to the RF bandwidth availability and status of at least one other wireless condition affecting RF bandwidth. An audio quality adjuster can adjust quality parameters used to encode an audio stream for one or more audio sinks based on the output control signal.
US08787402B2 Systems and methods to control flow and to define and interleave multiple channels
A transmitter transmits a data frame as an uninterrupted stream of codeblocks of predefined size on a first data path between a MAC and PHY. It inserts a first idle block of predefined size within the data frame if there is insufficient data. A receiver receives a second idle block on a second data path, the second idle block including a request to slow down the transmission on the first data path. The receiver causes the transmitter to insert a third idle block in response to receiving the second idle block. The transmitter may further send a stream identifier including an identifier for a data stream and a bandwidth factor. The transmitter may send one codeblock chosen from data blocks for the data stream and idle blocks, and then send the bandwidth factor number of codeblocks chosen from data blocks for other data streams and idle blocks.
US08787397B2 High speed ring/bus
A data communication bus and method of operation thereof, including a plurality of nodes connected to a respective plurality of media segments. A typical node includes an output port coupled to a media segment that it exclusively controls. And an input port coupled to a media segment that is exclusively controlled by another node of the bus. Each media segment typically includes a plurality of high speed data channels such as electrical transmission lines.
US08787390B2 Reachability maintenance of a moving network based on temporary name identifiers
A reachability service is provided to connect portable nodes of a moving network to at least one external, fixed network via at least one mobile router. Temporary name identifiers are allocated to the portable nodes and mapped to current reachable addresses of the portable nodes by at least one proxy name server.
US08787388B1 System and methods for forwarding packets through a network
Network packets may be transmitted from packet sources to packet destinations through a network of switches. The switches may have corresponding flow tables that control how the packets are forwarded through the switches. A controller server may generate network switch forwarding paths for the network packets by modifying the flow tables with entries based on attributes of the network packets and network topology information. The controller server may forward selected packets directly to packet destinations instead of generating the network switch forwarding paths. To determine which packets to directly forward, the controller server may calculate cost metrics associated with the network switch forwarding paths and associated with forwarding network packets directly to packet destinations. The cost metrics may be calculated based on network topology information, network traffic conditions, controller server processing load, packet forwarding delays, an expected number of future network packets, or attributes of the network packets.
US08787385B2 Method and apparatus for determining channel bandwidth
In a method implemented in a first communication device, a control frame having a bandwidth is generated. The control frame is transmitted via a first composite communication channel, wherein the first composite communication channel comprises a plurality of communication channels. A bandwidth of a response frame, received from a second communication device in response to transmitting the control frame, is determined. A second composite communication channel based on the bandwidth of the response frame is determined, wherein the second composite communication channel comprises at least one communication channel from the plurality of communication channels. One or more data frames are transmitted to the second communication device via the second composite communication channel.
US08787380B2 Method for controlling the traffic within a network structure and a network structure
A reliable and flexible method for controlling traffic within a network structure without the addition of remarkable complexity to the core network is provided, the structure including a PDN (Packet Data Network), an operator core network with a DNS (Domain Name System) server, a HeNB (Home evolved Node B) or HNB (Home Node B) and/or eNB (Evolved Node B) or NB (Node B) and a UE (User Equipment) that is associated with the HeNB or HNB and/or eNB or NB. On the basis of a predefinable routing policy the DNS server is controlling whether a traffic from a UE to a destination address within a local network associated to the HeNB or HNB or eNB or NB or within a PDN and/or vice versa will be routed via the core network or directly via the local network in support of local network protocol access or selected network protocol traffic offload.
US08787377B2 Usage of masked BMAC addresses in a provider backbone bridged (PBB) network
Techniques disclosed herein include features and methods that extend functionality of provider networks including Provider Backbone Bridges (PBB) networks. Techniques include using a portion of information within Ethernet address encapsulation headers for purposes other than identifying source and destination device addresses. The system limits a number of bits in an address header that should be considered by a provider network node when doing an address lookup in forwarding tables of a provider network node, such as by masking the portion of bits or otherwise disregarding that portion of bits during address lookup. The remaining bits in the address field(s) become free bits that can be used for a variety of application purposes, such as flow path selection. By using information fields that already exist in the Mac-In-Mac (MIM) encapsulation header, such Techniques provide additional information without increasing packet size or requiring new protocols.
US08787376B1 Systems and methods for accessing a multi-bank SRAM
A device may include multi-bank SRAM logic configured to receive an lookup result that includes a first number of addresses, parse each of the first number of addresses from the received lookup result, simultaneously provide at least one of the first number of parsed addresses to each of a first number of SRAMs, simultaneously read data from each of the first number of SRAMs and simultaneously transmit the read data from each of the first number of SRAMs.
US08787374B2 Network system including lower and upper switches and link group interconnecting lower switches to upper switches, and method of operating the same
A network system includes a plurality of lower switches, a plurality of upper switches, and a link group for interconnecting the plurality of lower switches to the plurality of upper switches in a multipoint-to-multipoint relationship. The link group includes a sub-link for interconnecting the plurality of lower switches to the plurality of upper switches in a point-to-point relationship as one logical link and a main link for interconnecting the plurality of lower switches to the plurality of upper switches in a point-to-multipoint relationship as one logical link. The plurality of lower switches are each set such that a broadcast frame with a broadcast address set as a destination is transmitted to the plurality of upper switches through the sub-link. The plurality of upper switches each receive the broadcast frame and resister a source address contained in the broadcast frame into an FDB of the plurality of upper switches.
US08787370B2 Method and apparatus for transmitting packet switch domain service data
The present invention discloses a method and an apparatus for transmitting packet switch domain service data. The method comprises: establishing a correlation between multiple services and a predetermined transmission channel, wherein the predetermined transmission channel comprises multiple links and multiple channels between a Point-to-Point Protocol (PPP) client and a PPP server; and according to the correlation, transmitting the service data of the multiple services between a service application side and a protocol side via the predetermined transmission channel. The present invention achieves PDP multi-link and can process the transmission of PS domain data in parallel.
US08787368B2 Crossbar switch with primary and secondary pickers
A crossbar switch with primary and secondary pickers is described herein. The crossbar switch includes a crossbar switch command scheduler that schedules commands that are to be routed across the crossbar from multiple source ports to multiple destination ports. The crossbar switch command scheduler uses primary and secondary pickers to schedule two commands per clock cycle. The crossbar switch may also include a dedicated response bus, a general purpose bus and a dedicated command bus. A system request interface may include dedicated command and data packet buffers to work with the primary and secondary pickers.
US08787366B2 Community driven program access system and method
A method to create community channels is provided. The method includes defining a subset of channels from a broadcast network, associating one or more tags with the channels, and employing the tags to enable a community network from the broadcast network.
US08787362B2 Fall back using mobile device assisted terminating access domain selection
Fall back using mobile device assisted terminating access domain selection is provided. A network entity forwards an invitation to a session to a mobile device. Session has packet switched bearers for media. Mobile device replies with a rejection of the invitation and a request for network entity to hold the session. Rejection is based on mobile device determining circuit switched bearers should be utilized. Mobile device sends a circuit switched call and network entity correlates the circuit switched call with the session. A dialog is set up over circuit switched domain bearers and Internet Protocol Multimedia Subsystem bearers.
US08787360B2 Method and apparatus for processing multiple services per call
A method and apparatus for enabling multiple services to be invoked in a specific precedence per call are disclosed. For example, the present method allows a subscriber to interact with a plurality of services provided by a service provider on a single call.
US08787352B2 Heterogeneous transceiver architecture for wide range programmability of programmable logic devices
High-speed serial data transceiver circuitry on a programmable logic device (“PLD”) includes some channels that are able to operate at data rates up to a first, relatively low maximum data rate, and other channels that are able to operate at data rates up to a second, relatively high maximum data rate. The relatively low-speed channels are served by relatively low-speed phase locked loop (“PLL”) circuitry, and have other circuit components that are typically needed for handling data that is transmitted at relatively low data rates. The relatively high-speed channels are served by relatively high-speed PLLs, and have other circuit components that are typically needed for handling data that is transmitted at relatively high data rates.
US08787348B2 Methods and systems for providing reliable multicast service in a WLAN system
A method for acknowledged multicast operation in a wireless network having a base station and at least one wireless transmit/receive unit (WTRU) includes the base station transmitting a first multicast signal during a first scheduled interval, the at least one WTRU receiving the first multicast signal during the first scheduled interval, and the at least one WTRU transmitting an acknowledgement signal to the base station during a second scheduled interval.
US08787345B2 Quasi full-duplex mode multipoint voice communication system
The present invention relates a voice communication method between a plurality of users sharing the same transmission band. The resource is accessed by time division under the supervision of a control node. During a polling step, any user wishing to speak transmits (210) a request to the control node. The control node allocates (220) transmission frames to the requesting users or merely to some of these users. Users allocated a transmission frame can then transmit (230) a voice packet to the respectively allocated frames thereof. The transmission frames are interleaved temporally so as to give the impression of full-duplex communication during voice reproduction.
US08787342B2 Intra-premises content and equipment management in a femtocell network
System(s) and method(s) are provided to route traffic and signaling between a set of networked femto access points (APs) and devices served there from, and enable management of content and equipment that is part of a network functionally coupled to the set of networked femto APs. Networked equipment spans a network deployed within the coverage area spanned by the set of femto APs. A routing platform functionally couples the networked equipment and the femto AP to enable content manipulation amongst a mobile device and the equipment. Routing platform also affords remote control of the networked equipment. Delivery of advertisement and monetary incentive(s) can be provided through the routing platform to the equipment. Routing platform further provides security features related to operation of specific equipment and wireless services supplied via the routing platform.
US08787339B2 Wireless communication system, wireless communication apparatus, wireless communication method, and computer program
A wireless communication network that forms an ad-hoc network without the arrangement of a controlling station sets a period that a communication apparatus can utilize with priority and performs isochronous communication in the period as required. When isochronous communication has not been performed or after isochronous communication has finished in the priority utilization period, other communication apparatuses perform arbitrary communication. When another communication is performed in a communication apparatus's own priority utilization period, the start of isochronous communication is temporarily delayed. In an ad-hoc communication environment, data having a real-time characteristic, such as AV content, can be efficiently transmitted through the isochronous communication.
US08787330B2 Dense mesh network communications
A frame groupcast system for a mesh node in a mesh network having a plurality of mesh nodes includes a transceiver that receives a groupcast frame and a groupcast determination module that determines whether to forward the received groupcast frame based on at least one measurement.
US08787329B2 Method and apparatus for adjusting channel quality indicator feedback period to increase uplink capacity
A method and apparatus for adjusting a channel quality indicator (CQI) feedback period to increase uplink capacity in a wireless communication system are disclosed. The uplink capacity is increased by reducing the uplink interference caused by CQI transmissions. A wireless transmit/receive unit (WTRU) monitors a status of downlink transmissions to the WTRU and sets the CQI feedback period based on the status of the downlink transmissions to the WTRU. A base station monitors uplink and downlink transmission needs. The base station determines the CQI feedback period of at least one WTRU based on the uplink and downlink transmission needs and sends a command to the WTRU to change the CQI feedback period of the WTRU.
US08787328B2 Method and apparatus for reserving data channel in a wireless access system
Methods for reserving a data channel and apparatuses supporting the same are disclosed. A method for reserving a data channel in a wireless access system includes transmitting a request frame for reserving the data channel by a sending node, and receiving a notify frame in response to the request frame during a first time period or a second time period by the sending node. If the notify frame is received during the first time period, the sending node determines that the request frame has been collided, and if the notify frame is received during the second time period, the sending node determines that the data channel has been reserved successfully.
US08787326B2 Method for transmitting packets in a mobile station
A method of transmitting packet in a mobile station is provided. The method includes determining whether a resource reserved for a special purpose is overlapped with a resource for transmitting a packet by the mobile station, on the basis of resource allocation information on the mobile station, and delaying the transmission of the packet if the reserved resource is overlapped with the resource for transmitting the packet. Accordingly, it is possible to increase uplink packet transmission efficiency without increasing downlink overhead, by avoiding or adjusting collision of an uplink packet transmission with a time-frequency resource reserved for another purpose.
US08787324B2 Scheduling and protection of quiet periods in a quiet zone for incumbent signal detection
A method and system for scheduling and protecting quiet periods (QP) in a quiet zone (105) for incumbent signal (121) detection in a wireless communications system. The communication system includes a plurality of wireless networks (103, 104), each of the plurality of wireless networks contains at least a master device (101, 401) and a client device (111, 411). In each of the plurality of wireless networks, the master device (101, 401) transmits a beacon (402) that contains a QP schedule (500) and a reservation of a time slot (405) for the client device (411). The client device (111, 411) transmits a request-to-quiet (RTQ) message (412) during the time slot, wherein the RTQ message (412) includes the client device's QP schedule information. The master and client devices within the quiet zone (105) keep quiet during scheduled quiet periods according to the QP schedule information contained in the received beacons and RTQ messages.
US08787320B2 Wireless communication system and related method thereof
A wireless communication system includes a first wireless device, a second wireless device, a determining device and an executing unit. The first wireless device is arranged for receiving a first signal, and the second wireless device is arranged for transmitting a second signal, where the first wireless device and the second wireless device conform to different communication standards, respectively. The determining device may determine a signal quality of the first signal received by the first wireless device, and accordingly generates a determining result. The executing unit refers to the determining result to select a target coexistence mechanism, which is shared by the first and second wireless devices, from a plurality of candidate coexistence mechanisms.
US08787319B2 Mobile communication system
A radio base station includes a mobile communication system, a first relay node and a radio base station connected via a radio bearer, a second relay node and a radio base station connected via a radio bearer, and a mobile station configured to conduct a handover process between a first and second state. In the first state a radio bearer is established with the first relay node in order to communicate via the first relay node and the radio base station. In the second state a radio bearer is established with the second relay node in order to communicate via the second relay node and the radio base station. The mobile station is configured such that control signals are transmitted and received via the radio bearer between the first relay node and the radio base station, via the radio bearer between the second relay node and the radio base station.
US08787304B2 Method for reference signal pattern allocation and related communication device
A method for reference signal pattern allocation for a eNodeB in a wireless communication system is disclosed. The method comprises allocating a plurality of physical resource blocks (PRBs) to at least one mobile device; and mapping a plurality of reference signal patterns to the PRBs according to a mapping rule.
US08787300B2 Method and apparatus for facilitating a fast handoff in a wireless metropolitan area network
A method and apparatus for facilitating a fast handoff for subscribers in a Wireless Metropolitan Area Network (WMAN) by establishing a hard association with a first entity by sending a hard association request to the first entity and receiving a hard association response in response to the hard association request and establishing a pending association with a second entity by sending a pending association request to a second entity and receiving a pending association response from the second entity. In one embodiment, the pending association with the second entity may be converted to a hard association.
US08787298B2 Multiple network connection method and communication device thereof
A multiple network connection method that includes: receiving, by a first device from a second device, capability information of the second device; transmitting, by the first device to the second device, a registration complete message indicating that the second device is registered to a network; and performing, by the first device, a service control for providing a service for the second device. A first connection path and a second connection path are established using the capability information. The first connection path is established between the network and the second device through the first device, and is used for conveying control information for the service. The second connection path is established between the network and the second device not through the first device, and is used for conveying user data for the service.
US08787297B2 Resource allocation method and a method for transmitting/receiving resource allocation information in mobile communication system
According to one embodiment, a user equipment for use in a mobile communication system is configured to; receive control information including a first field and a second field via a control channel, the first field indicating one of N (N≧2) resource block group (RBG) sets and the second field including a bitmap, wherein each bit of the bitmap is used to indicate whether a corresponding resource block (RB) in the indicated one of the N RBG sets is allocated; interpret the first field and the second field for resource allocation in the control information; and receive data using the control information. An RBG set n (0≦n
US08787291B2 Method for setting subbands in multicarrier communication, and radio communication mobile station apparatus
A wireless communication base station apparatus wherein when a frequency scheduling transmission and a frequency diversity transmission are performed in a multicarrier communication at the same time, the adaptive control of a channel for performing the frequency scheduling transmission can be prevented from being complicated. In this apparatus, a modulating part modulates an encoded Dch data to generate Dch data symbols. A modulating part modulates an encoded Lch data to generate Lch data symbols. An assigning part assigns the Dch and Lch data symbols to subcarriers constituting OFDM symbols and outputs them to a multiplexing part. At this moment, the assigning part assigns a set of Dch and Lch data symbols to each subcarrier for a respective subband.
US08787289B2 Aperiodic transmission method and apparatus for sounding reference signal in wireless communication system
Provided are a method and an apparatus for an aperiodic transmission of a sounding reference signal (SRS), which is performed by a user equipment (UE), in a wireless communication system. The UE aperiodically transmits an SRS through a certain uplink (UL) component carrier (CC) of a plurality of UL CCs. The certain UL CC is identical to the UL CC that transmits a physical uplink shared channel (PUSCH), which is scheduled by an uplink grant, wherein the uplink grant contains a message that triggers the aperiodic transmission of an SRS.
US08787288B2 Method and system for managing carrier information in multi-carrier system
The present invention discloses a method for managing carrier information in a multi-carrier system, and the method includes: when an activated carrier of a User Equipment (UE) is changed, a base station (NodeB) informing a Radio Network Controller (RNC) of the change information of the activated carrier of the UE. The present invention also discloses a multi-carrier system and an RNC. The present invention triggers the RNC to perform resource re-allocation by the NodeB sending the change information of the activated carrier, which guarantees a rational allocation of network resources.
US08787287B2 Method and apparatus for transmitting/receiving control information for additional broadcast information in a wireless communication system
The present invention relates to a method and apparatus for transmitting/receiving control information for additional broadcast information in a wireless communication system. According to one aspect of the present invention, a method for transmitting control information for additional broadcast information in a wireless communication system comprises a step in which a base station transmits control information containing information on the transmission time of the additional broadcast message, and transmits the additional broadcast message at said transmission time.
US08787286B2 Method and apparatus for admitting a request for allocation of wireless connection resources in a communication system
A method and apparatus for admitting requests for allocation of bandwidth in a communication system is provided herein. During operation, available bandwidth is logically divided for use among commercial users and public-safety users, where the commercial users utilize a predefined portion of the bandwidth and the public-safety users utilize a public-safety portion of the bandwidth. When a public-safety bearer request is made, and available bandwidth does not exist within the public safety portion of the bandwidth, some bandwidth unoccupied by commercial users from commercial portion can be used to admit the bearer request. When commercial bandwidth is occupied by commercial users, lower priority commercial users can be preempted so that commercial bandwidth can be used to handle the bearer request. In a similar manner, the public-safety portion of available bandwidth can temporarily be used by commercial users.
US08787283B2 Method and system for providing reduced bandwidth acquisition latency
Methods and systems for providing reduced bandwidth acquisition latency may comprise communicating a reservation request for bandwidth allocation for devices operating under a wired network protocol, where the reservation request may be sent by wired network devices via a wireless network protocol over a wireless network. Bandwidth may be allocated in the wired network for the requesting devices by a network controller. Data may be communicated with the requesting devices via the wired network. The wired network communication protocol may comprise a multimedia over cable alliance (MoCA) standard. The wireless protocol may comprise an IEEE 802.11x standard, a Bluetooth standard, and/or any non-public network protocol. The communication of the reservation request via the wireless protocol may decrease a latency of the wired network. A medium access plan (MAP) may be generated by the network controller based on the reservation request and may comprise a bandwidth allocation for the requesting devices.
US08787281B2 Base station apparatus and user terminal
A base station apparatus having a control information generation section that generates, per fundamental frequency block, a downlink control information piece for demodulating a data channel that is transmitted for each of a plurality of fundamental frequency blocks assigned to a user terminal, a determining section that determines, per fundamental frequency block, a search space which is a candidate area where the downlink control information piece is arranged, and a transmission section that transmits a downlink control channel in which the search space containing the downlink control information piece is arranged is disclosed. The control information generation section arranges respective downlink control information pieces corresponding to the fundamental frequency blocks in a downlink control channel of a specific fundamental frequency block among the fundamental frequency blocks, and the determining section distributes positions of search spaces such that the search spaces are separate between fundamental frequency blocks and between user terminals.
US08787279B2 Radio communication system, centralized station, control station apparatus, radio base station and coordinated transmission method for determining an assignment of cluster patterns
The radio communication system of the present invention is provided with a cluster pattern determining section that determines the assignment of each cluster pattern to each cluster so as to suppress inter-cluster interference with other neighboring clusters less than or equal to a predetermined value, the cluster pattern is defining a directional pattern of which directional beams emitted from the respective radio base stations face each other for each identical frequency block between neighboring sectors in a cluster composed of neighboring cells, the each cluster pattern being in different combinations of directional patterns and frequency blocks.
US08787278B2 Resource allocation method and a method for transmitting/receiving resource allocation information in mobile communication system
A resource allocation method and a method for transmitting resource allocation information in a mobile communication system are disclosed. That is, a LVRB (PRB) and a DVRB which are the units of a scheduling resource are defined and a resource allocation method and a method for transmitting resource allocation information using the same are disclosed. In the LVRB, a part bitmap scheduling method using a LVRB set is suggested and a method for constructing resource allocation information using the same is suggested. In the DVRB, a method for defining the DVRB using PRBs in a subframe is suggested and a method for constructing resource allocation information using the same when scheduling is performed using the DVRB constructed by the defined method is suggested. In order to prevent interference and collision from occurring due to the complete matching of the DVRBs in respective cells, a method using different DVRBs in the respective cells is suggested.
US08787277B2 Method and apparatus for transmitting uplink control information
A method of transmitting uplink control information of a user equipment in a wireless communication system is provided. The method includes: receiving reserved resource information that indicates a radio resource capable of transmitting the uplink control information; receiving a block subframe indicator that indicates a radio resource for transmitting a signal from a relay station to a base station; comparing a transmission-reserved subframe indicated by the reserved resource information with a block subframe indicated by the block subframe indicator; and transmitting the uplink control information in the transmission-reserved subframe if the transmission-reserved subframe does not overlap with the block subframe.
US08787275B2 Wireless communication base station equipment, wireless communication terminal device and search space setting method
Disclosed is wireless communication base station equipment in which CCE allocation can be flexibly performed without collision of ACK/NACK signals between a plurality of unit bands, even when wideband transmission is performed exclusively on a downlink circuit. In this equipment, an allocation unit (105) sets up mutually different search spaces for each of a plurality of downlink unit bands, with respect to wireless communication terminal devices that communicate using a plurality of downlink unit bands, and allocates resource allocation information of downlink circuit data destined for the wireless communication terminal devices to CCEs in mutually different search spaces for each of the plurality of downlink unit bands, and an ACK/NACK reception unit (119); extracts a response signal in respect of the downlink circuit data from the uplink control channel associated with the CCE to which the resource allocation information of this downlink circuit data was allocated.
US08787270B2 Data transmission and association method in a non-transparent centralized scheduling multi-hop relay network
A data transmission and association method in a non-transparent centralized scheduling multi-hop relay network includes: when a base station sends data, an Allocation Reference Information Element (IE) will be filled in a mapping message (MAP), for indicating a position of a media access control protocol data unit (MAC PDU) to be transmitted; after a lower relay station receiving the mapping message (MAP) sent by the base station or transmitted by other relay station, the MAC PDU which is obtained according to the indication of the Allocation Reference IE is recombined, and then is put in the bandwidth allocated by the base station and sent downwardly.
US08787268B2 Radio communication base station device, radio communication terminal device, and radio communication method
Disclosed are a radio communication base station device, a radio communication terminal device, and a radio communication method which can reduce interference between adjacent resource blocks even when the DL timing is overlapped with the UL timing at the boundary between an independent allocation band and a cooperation allocation band. When a terminal A is allocated for a UL resource block of the cooperation allocation band serving as a band boundary with the independent allocation band, in ST301, a terminal A transmits a horizontally polarized wave signal to respective terminals B to D, and in ST302, a base station (100) transmits a vertically polarized signal to respective terminals A to D. In ST303, the terminals B to D measure XPD of the received vertically polarized signal and the horizontally polarized signal. In ST304, the terminals B to D transmit the XPD report value to the base station (100). ST305 selects the terminal which has transmitted the largest XPD report value among the XPD report values transmitted from the terminals B to D and allocates the selected terminal to the DL resource block at the band boundary.
US08787255B2 Method and system for improved multi-cell support on a single modem board
A system for providing multi-cell support within a single SMP partition in a telecommunications network is disclosed. The typically includes a modem board and a multi-core processor having a plurality of processor cores, wherein the multi-core processor is configured to disable non-essential interrupts arriving on a plurality of data plane cores and route the non-essential interrupts to a plurality of control plane cores. Optionally, the multi-core processor may be configured so that all non-real-time threads and processes are bound to processor cores that are dedicated for all control plane activities and processor cores that are dedicated for all data plane activities will not host or run any threads that are not directly needed for data path implementation or Layer 2 processing.
US08787247B2 Apparatus and methods for transmitting paging messages for peer to peer communication
Apparatus and method for communication are provided. The apparatus is configured to send a message to a network element, the message including information on the establishment of a device-to-device connection with at least one apparatus; and receive from a network element information regarding a timing reference for paging messages between the apparatuses establishing a device-to-device communication.
US08787246B2 Systems and methods for facilitating wireless network communication, satellite-based wireless network systems, and aircraft-based wireless network systems, and related methods
A wireless network system may include a source node having a first source wireless interface and a second source wireless interface, wherein the source node initiates a data transmission via the first source wireless interface. The wireless network system may also include a repeater node having a first and second repeater wireless interfaces, wherein the repeater node is configured to receive the data transmission on the first or second repeater wireless interface and to repeat the data transmission on the other of the first or second repeater wireless interface. The wireless network system also includes a destination node having first and second destination wireless interfaces, wherein the destination node is configured to receive the data transmission on the first or second destination wireless interface. A wireless network system may also include a satellite-based, wireless network system, including an earth station server, a satellite client, and a terrestrial client.
US08787245B2 Backhaul downlink signal decoding method of relay station and relay station using same
A method of decoding a backhaul downlink signal of a relay station is provided. The method includes: receiving by the relay station a transmission rank value for a backhaul downlink from a base station through a high-layer signal; receiving control information from the base station through a control region; and decoding the control information, wherein the transmission rank value for the backhaul downlink is a transmission rank value assumed when the relay station decodes the control information, and wherein the control information is mapped to a resource element which does not overlap with a dedicated reference signal resource element mapped to the control region by assuming the transmission rank value for the backhaul downlink.
US08787243B2 Wireless communication system, base station apparatus and communication method
A wireless communication system includes: a multiple number of mobile station apparatuses that transmit code bits obtained by applying error-correction coding to information bits; a relay station apparatus that receives code bits from the multiple mobile station apparatuses, applies network coding on the code bits and transmits the network-code bits; and a base station apparatus that receives and decodes the code bits and the network-code bits, wherein the base station apparatus, when decoding the received code bits, performs iteration decoding by regarding the received code bits as a serially concatenated code of network coding and error correction coding. Accordingly, decoding is performed by regarding the network code and the error correction code as a serial concatenated code, it is possible to obtain diversity with a simple configuration.
US08787242B2 Header compression for relay nodes
Methods and apparatuses are provided that facilitate compressing packet headers for communicating among access points. An access point can advertise compression profiles to one or more disparate access points, and the one or more disparate access points can select at least one compression profile for compressing/decompressing packets related to the one or more disparate access points and/or devices communicating therewith. The one or more disparate access points can notify the access point of the selected compression profile, a compression context identifier, and/or static data related to identifying associated packets. In this regard, the access point can compress packets that have the associated static data according to the compression profile and compression context identifier. Similarly, the access point can decompress packets from the one or more disparate access points based on the compression context identifier.
US08787240B2 Peer-to-peer communication protocol for relay enhanced cellular wireless communication systems
A method and system for communication between mobile stations in a wireless relay enhanced cellular communication system. One implementation involves providing a communication resource allocation for peer-to-peer (P2P) communication between a pair of mobile stations during a P2P enhanced time frame wherein one mobile station serves a role as a transparent relay station (MRS) and another mobile station serves a role as a peer mobile station in the pair; and delivering resource allocation information comprising communication periods and frequency subcarriers to the pair of mobile stations, for the mobile station pair to conduct P2P communication therebetween in the P2P enhanced time frame.
US08787238B2 Method for retransmitting multicast frames and method for processing received multicast frames in wireless network
A method for retransmitting a multicast frame in a wireless network and for determining whether a received multicast frame is a duplicated frame. In determining whether the received multicast frame is the same duplicated frame as a previously received multicast frame, a receiver address value and a sequence number of the multicast frame may be used. When fragmentation of a multicast frame is allowed, the value of a fragment number of the multicast frame may be also used, and if it includes a traffic ID, the value of the traffic ID can be also used for determining whether or not the multicast frame is a duplicated frame. If a multicast frame is transmitted in a wireless mesh network, it is determined whether or not the multicast frame is a duplicated one by using a mesh source address, a mesh destination address, and a sequence number.
US08787233B2 Telecommunications networks
Providing a mobile terminal with system information which enables the terminal to access one of the cells of a cellular telecommunications system includes transmitting from the telecommunications system to all terminals within the cell, including the terminal, a system information indicator that makes available to the terminal system information to provide access to the system. The system information indicator is transmitted on the broadcast channel (BCH). The system information indicator may be a sub-set of the system information conventionally transmitted on the BCH but which is sufficient to allow the mobile terminal to access the network and obtain in the downlink further system information. Alternatively, the information transmitted in the BCH may be a profile index value which directs the mobile terminal to retrieve from a store of the mobile terminal system information pre-stored on the mobile terminal.
US08787230B2 Voice activity detection in communication devices for power saving
A mechanism can be implemented in a communication unit of a network device to utilize periods of silence encountered in voice communication to conserve power at the network device. In some embodiments, it can be determined that one or more packets of a received RF signal comprise audio data. The communication unit of the network device can determine whether the audio data associated with the one or more packets comprises voice information. The network device can switch to a power save mode based, at least in part, on determining that the audio data associated with the one or more packets does not comprise voice information.
US08787229B2 Mobile terminal and mobile terminal data relay method
A mobile terminal includes: a first manner of wireless communicator for conducting wireless communication with a client terminal; a second communicator for conducting wireless communication with a network (NW1); storage for storing data; and communication control for causing data to be transmitted between communicators. The communication control causing data received via the second communicator to be stored when a client terminal is in a state in which the client terminal does not receive data, and causes the stored data to be transmitted by the first communicator when the client terminal is in a state in which the client terminal receives data. Further, the communication control causes the data received via the first communicator to be stored when wireless communication with the network is not possible, and causes the stored data to be transmitted by the second communicator when wireless communication with the network is possible.
US08787226B2 Method, apparatus and system for handling node failure
Embodiments of the present invention provide a method, an apparatus and a system for handling node failure. The method for handling node failure includes: sending, by an intermediate node, a context processing request message to a remote node when detecting that a first node occurs a failure, where the context processing request message is used to instruct the remote node to delete context information associated with the first node and the intermediate node; and deleting the context information associated with the first node and the intermediate node, by the remote node, according to the request message. The technical solution can enable the remote node to process the context information associated with the first node in time
US08787224B2 Method and system for acknowledgment/negative acknowledgment feedback on physical uplink control channel
The present invention discloses a method and system for feeding back an acknowledgement/negative-acknowledgement response message on a physical uplink control channel. The method includes: sending, by a user equipment, an acknowledgement/negative-acknowledgement response message by adopting a manner based on a channel selection or based on a DFT-s-OFDM in a multiplexing mode according to a feedback manner or a feedback rule in the multiplexing mode configured by a base station. In the present invention, the base station can configure for the user equipment and directly indicate to the user equipment through the higher layer signaling the feedback manner in the multiplexing mode, and can also configure the feedback rule in the multiplexing mode for the user equipment; and the user equipment determines the feedback manner in the multiplexing mode according to the feedback manner or feedback rule configured by the base station.
US08787223B2 Coaxial cable distribution of CATV and wireless signals
A system and method for distributing signals from a first communications network and a second communications network to a location, including a base transceiver station configured to receive a signal from the first communications network and convert the signal into an RF signal for transmission to a mobile terminal, the RF signal having an RF frequency above a threshold frequency, and a coupling module configured to: receive the RF signal from the base transceiver station and receive a data signal from the second communications network, the data signal having an RF frequency below the threshold frequency; combine the RF signal and the data signal into a combined signal with the RF signal and data signal each retaining their respective frequencies; and provide the combined signal over a coaxial cable link to the location.
US08787222B2 Access point and method for connecting wireless communication
An access point and a method for connecting wireless communication thereof are provided. The method includes, if a connecting device is connected to the access point, registering information of the connecting device, if the connecting device transmits a first signal in response to a beacon message of the access point after having been disconnected from the access point and connected to a host device, determining whether the connecting device is already registered using the first signal, and, if it is determined that the connecting device is already registered, connecting to the host device via the wireless communication connection.
US08787219B2 Signaling and mapping of measurement reports
The present invention describes a method for configuring a measurement report type to be used by a receiver to report a measurement to a transmitter, wherein the measurement is reported to the transmitter in a report signal over a control channel, said method comprising selecting a first measurement report type and at least one second measurement report type to be used by the receiver to report the measurement, generating a measurement reporting pattern defining an occurrence of the first measurement report type and the at least one second measurement report type in the report signal transmitted by the receiver to the transmitter over control channel, and notifying the first measurement report type, the at least one second measurement report type, and the generated measurement reporting pattern to the receiver.
US08787216B2 Apparatus and method for allocating channel state information-reference signal in wireless communication system
Embodiments of the present invention relate to a wireless communication system, and more particularly, to a technology for allocating a Channel State Information-Reference Signal (CSI-RS) in a wireless communication system. Embodiments of the present invention provides an apparatus and method for allocating CSI-RSs to resource areas, in which, under the condition of a subframe in which the CP is an extended CP, and the duplex scheme is TDD, if CSI-RSs for maximum 8 antenna ports are allocated, the CSI-RSs are allocated to the 8th and 9th symbols (symbol No. l=7 and 8), wherein each CSI-RS for every two antenna ports is allocated to the same RE while being discriminated from each other by an orthogonal code and neighbor CSI-RS allocated REs in the frequency axis are spaced by an interval of three REs.
US08787214B2 Method and arrangement in a wireless communication network
Method and arrangement in a relay node, for selecting communication mode. The relay node is configured to communicate with a base station via a donor antenna over a first link and to communicate with a user equipment via a coverage antenna over a second link. The method comprises obtaining an isolation value, based on the radio wave isolation between the relay donor antenna and the relay coverage antenna. The obtained isolation value is compared with an isolation threshold level value. The relay node is configured to communicate in full duplex mode if the obtained isolation value exceeds the isolation threshold level value, otherwise in half duplex mode. Information concerning the configured duplex mode of the relay node is transmitted to the base station.Also a method and arrangement in a base station is described.
US08787213B2 Correlating calls after a referral
In one embodiment, a network device attaches a header including an identifier for an original call to an outgoing refer message and may also modify a table entry for a consultative call to include the identifier. The network device then monitors incoming invite messages for a header containing the identifier and observes that an incoming invite message containing the header correlates to the original call. When a header is not included, the network device extracts information from the incoming invite messages and compares the extracted information to the modified table entry to correlate one of the incoming invite messages to the original call.
US08787210B2 Firmware download with adaptive lost packet recovery
Disclosed are methodologies for implementing a firmware download to endpoints in a mesh network. A firmware package is divided into a number of blocks, each block containing a number of packets and sent as a broadcast to endpoints in a wireless mesh network. A number of redundancy packets are sent to permit calculation of lost packets. A maximum number of redundancy packets to be sent is determined and a forward error correction code is developed depending on the maximum number of redundancy packets and the total number of firmware packets to be sent. A first block of redundancy packets, less than the maximum number, is sent followed by additional blocks of redundancy packets depending on reports from the receiving endpoints.
US08787207B2 Topology discovery of a private network
The present invention relates to a method and system for determining devices connected to a private network through a gateway. A Network Management System (NMS) through the use of inquiries and Port Address Translation (PAT) commands is able to determine the topology of the network of devices within a private network and thus communicate with them. This is achieved through the use of Port Address Translation (PAT) initiated by the NMS to set a port for each device connected to the gateway.
US08787204B2 Network communications bandwidth manager control system providing for associated communications processing resources
Systems and methods for network communications bandwidth management and in particular to unified bandwidth manager that interfaces with and hierarchically manages a plurality of service-specific bandwidth reservation and session management systems. By utilizing a novel bandwidth management system, a better purpose specific bandwidth reservation system may thereby be achieved.
US08787198B2 System, method, and computer-readable medium for authentication center-initiated authentication procedures for a mobile station attached with an IP-femtocell system
A system, method, and computer readable medium that facilitate authentication center-initiated authentication procedures for a mobile station attached with a femtocell system are provided. A femtocell system may generate a registration identification of a mobile station from one or more mobile station authentication parameters. A convergence server located in a core network receives an authentication procedure request from an authentication center for the mobile station attached with the femtocell system and generates an authentication procedure request message that includes the registration identification assigned to the mobile station. The convergence server then transmits the authentication procedure request message to the femtocell system and receives a response to the authentication procedure request message from the femtocell system. The authentication procedure request may comprise a unique challenge, a shared secret data update procedure, or a call history count update procedure.
US08787196B2 Method of providing voice over IP at predefined QOS levels
The present invention is a technique for provisioning and assessment of voice quality in Internet Protocol (IP) voice applications. A predetermined quality of service (QoS) is received from a user in the form of an acceptable packet loss. The technique measures current packet loss and delay in the network and in the terminal, and determines and optimum play-out delay for the use by a play-out adaptation routine. An actual QoS is reported back to the user. To enhance packet delay and loss measurement, a QoS engine component is placed on the terminal side of the packetizer, therefore including packetizer losses in any measurement of the network.
US08787194B2 Method of performing cell measurement and method of providing information for cell measurement
A method of providing information for cell measurement is provided. In the method, a first cell obtains a first pattern information indicating a subframe for performing measurement with respect a second cell. The first cell configures a subframe for performing measurement, which is different from that for performing measurement with respect the second cell. The first cell transmits a second pattern information on the subframe configured by the first cell to a user equipment (UE).
US08787191B2 Method and apparatus for determining distance in a Wi-Fi network
A method and apparatus for improving the accuracy of a round trip time (RTT) estimate between a first device and a second device are disclosed. The method involves calculating an acknowledgement correction factor and a unicast correction factor. These correction factors are used to compensate for symbol boundary time errors resulting from multipath effects.
US08787190B2 Method, system, network nodes, routers and program for bandwidth estimation in multi-hop networks
A system, a network node, a router, a method and a program used to determine a bottleneck bandwidth on a multi-hop path between a source and destination node is presented. The method comprises receiving probe packets by a first hop node in the multi-hop path, measuring a bandwidth on a link between the first hop node and a next hop node in the multi-hop path, generating a bandwidth discovery packet including the measured bandwidth, transmitting the BDP to the next hop node, relaying the probe packets to the next hop node, and determining if the next hop node is a last-hop node on the multi-hop path. A last hop node records the measured bandwidth from the BDP, adjusts the delay between the probe packets based upon the bandwidth and relaying the probe packets to the destination node. The destination node determines the bottleneck bandwidth based on the delay between the probe packets.
US08787186B2 Mobility in a distributed antenna system
A device, method or system implements operations to receive compressed samples of wireless transmissions from a plurality of user equipment (UEs) traveling through different communication regions in a wireless network, and detect information in the wireless transmissions of the UEs based on the compressed samples.
US08787184B2 Collaborative sharing of location information among devices in a network
A wireless communication device determines its location and communicates the location to other local devices utilizing a nonstandard, standard and/or proprietary protocol in combination with another protocol such as a Bluetooth, RFID, IEEE 802.11 and/or a cellular phone protocol. The location may be determined utilizing a GNSS receiver and/or network device information. A new location may be determined based on the determined location, a relative distance and/or a relative direction to other local devices. Determined location information may be communicated to other devices via a network. The wireless communication device may receive locations and/or corresponding location uncertainties from devices located within a limited range. The received information is utilized to determine a more accurate location. The more accurate location is communicated back to the devices within the limited range and/or to other communication devices.
US08787182B2 Configuring network devices
Improved systems and methods for configuring network devices are provided. Aspects of the invention relate to novel QoS configuration parameters and methods for using QoS configuration parameters to reduce impacts caused by security breach within a network. In one embodiment, a QoS configuration parameter is selected from a plurality of configuration parameters on a central database based upon unique identifying information of a network device and a status signal. In one embodiment, each configuration parameter comprises at least a first parameter for configuring a communication speed of the network device and a second parameter configurable to alter the ability of the network device to communicate with another device in the network. Further aspects of the invention relate to providing improved services to an end user. In one embodiment, services may be customized to an end user and allow increased flexibility for both the service provider and the end user.
US08787181B2 Resource allocation randomization
Different sequence resources can be allocated to a mobile device where the mobile device can exclusively uses the sequence resource with regard to a base station during a communication session. However, if another mobile device using another base station is assigned a matching sequence resource, then there can be interference if the mobile devices are relatively close enough together. Therefore, randomization of the sequence resources can take place—moreover, a cyclic shift result can be employed in sequence resource allocation to attempt to minimize interference.
US08787178B2 Self monitoring of managed entities in a telecommunication network
It is described a method for monitoring the operational state of a telecommunication network (100) having a first level (110) comprising a plurality of managed entities (111) and a second level (120) comprising a management system (121) for the managed entities (111) of the first level (110). The described method comprises propagating a first notification (151) within the first level (110) from a first managed entity (111) to a second managed entity (111), and transmitting a second notification (161) from one of the plurality of managed entities (111) to the management system (121). The second notification (161) comprises an information being indicative for the operational state of at least one another of the plurality of managed entities (111). Preferably, the managed entities (111) are arranged within a closed loop (152) such that the first notification (151) is propagating along this loop (152). After a full turn of the first notification (151) the second notification (161) is transmitted indicating that all managed entities (111) are in operation. Further, it is described managed entity (111) and a telecommunication network (100), which are adopted for carrying out the described monitoring method.
US08787173B2 Base station, mobile station, communication system, and reordering method thereof
A communication system wherein a base station sends packets having sequence numbers attached, to a mobile station, the mobile station rearranges the packets by sequence number, and hard handover is performed. A handover source base station having a controller decides whether the handover source base station forwards packets which were not sent to the mobile station, out of packets received from a host station, to a handover target base station, controls forwarding of the packets to the handover target base station and sends forwarding execution information from the handover source base station to the mobile station to notify whether the forwarding of the packets has been executed, the mobile station including a receiver that receives the forwarding execution information from the handover source base station; and a controller that executes reordering of the received packets based on the forwarding execution information at the handover.
US08787171B2 Efficient collection of wireless transmitter characteristics
Systems, methods, and processor-readable storage media are disclosed for collecting information pertaining to the configuration of one or more wireless networks and using this information in turn to estimate the location of mobile wireless devices associated with those networks. Certain embodiments of the present disclosure are directed to providing efficient systems and methods for collecting the information, which are responsive to the coverage or quality of the wireless network configuration information already stored in a network database.
US08787169B2 System and method for adjusting transport layer processing during flow control and suspension states
A method for efficiently transmitting packets from a client device comprising: receiving a packet at a network transport layer of a client device; calculating a flow hash value for the packet, the flow hash value associating the packet with a particular network flow, the flow hash value usable to track the packet and other packets associated with the particular network flow; receiving feedback for the flow from a layer below the network transport layer of the client device, the flow being identified using the flow hash value, the feedback indicating queuing conditions associated with the flow; and adjusting built in backoff mechanisms normally provided by the network socket layer based on the current queuing conditions.
US08787166B2 Communication network control system, radio communication apparatus, and communication network control method
The present invention can provide a radio communication apparatus comprising an antenna which receives a restriction signal from a radio base station, a reception circuit which decodes the restriction signal received by said antenna, and a control circuit which controls the radio communication apparatus, in which the control circuit can be adapted to select appropriately a speech outgoing/incoming scheme for performing communication with the radio base station on the basis of the restriction signal from the radio base station. As the speech outgoing/incoming scheme, a domain scheme or a speech communication scheme is used. In addition, the present invention further provides a communication network control system using the radio communication apparatus, and a communication network control method.
US08787164B2 Media delivery system and method for transporting media to desired target devices
A media delivery system and technique are described to enable a media stream to be received at one end on a user's computer, and then re-streamed to a target device in a form that is suitable for that target. As an example of an implementation of such an embodiment, a streaming video and/or audio feed may be received on a user's media center, then re-streamed to a user's designated target device. The target device may correspond to, for example, another computer, a cell phone, or some other media output device.
US08787158B2 Scheduling data transmissions in a wireless communications network
A method of scheduling transmission of data in a wireless communication network comprising: establishing a data channel for transmitting user data from a user equipment to a network entity, establishing a signalling channel for transmitting signalling data from a user equipment to a network entity, transmitting over said signalling channel from the user equipment a first rate request message requesting additional resources from the network for transmission of data at an increased data rate over said data channel, maintaining said signalling channel for a period awaiting a rate grant message, and transmitting a second rate request message over said signalling channel during said period.
US08787155B2 Sideband error signaling
Fast error reporting is provided in networks that have an architected delayed error reporting capability. Errors are detected and reported without having to wait for a timeout period to expire. Further, failures of other components caused by the delay are avoided, since the delay is bypassed.
US08787154B1 Multi-topology resource scheduling within a computer network
In general, techniques are described for dynamically scheduling and establishing paths in a multi-layer, multi-topology network to provide dynamic network resource allocation and support packet flow steering along paths prescribed at any layer or combination of layers of the network. In one example, a multi-topology path computation element (PCE) accepts requests from client applications for dedicated paths. The PCE receives topology information from network devices and attempts to identify paths through a layer or combination of layers of the network that can be established at the requested time in view of the specifications requested for the dedicated paths and the anticipated bandwidth/capacity available in the network. The PCE schedules the identified paths through the one or more layers of the network to carry traffic for the requested paths. At the scheduled times, the PCE programs path forwarding information into network nodes to establish the scheduled paths.
US08787150B2 Resiliency schemes in communications networks
A connection oriented communications network has a plurality of nodes including a plurality of edge nodes. The network is arranged to define a primary tunnel connecting a primary one of the edge nodes to another edge node and a secondary tunnel connecting a secondary one of the edge nodes to another edge node. The network is arranged to enable switching of traffic from the primary tunnel to the secondary tunnel in the event of detection of a failure in the primary tunnel.
US08787149B1 MAC address synchronization for multi-homing with multichassis link aggregation
In general, techniques are described for using a light-weight protocol to synchronize layer two (L2) addresses that identify routable traffic to multiple L3 devices, such as PE routers, that cooperatively employ an active-active redundancy configuration using a multi-chassis LAG to provide an L2 network with redundant connectivity. In one example, a network device establishes a multi-chassis LAG with a peer network device to provide redundant connectivity to a layer three (L3) network. A synchronization module of the network device receives a synchronization message that specifies an L2 address of the peer network device. When the network device receives an L2 packet data unit (PDU) from the L2 network, a routing instance of the network device routes an L3 packet encapsulated therein when the PDU has an L2 destination address that matches the L2 address of the peer network device.
US08787145B2 Area and power efficient architectures of time deinterleaver for receivers
A method and apparatus for de-interleaving interleaved data in a deinterleaver memory in an Orthogonal Frequency Division Multiplexing (OFDM) based Integrated Services Digital Broadcasting Terrestrial (ISDB-T) receiver. In different embodiments, the apparatus comprises of a OFDM symbol counter along with a divider or a buffer pointer RAM with circular pointer logic, a first lookup table to obtain delay buffer size and interleaving lengths for a given OFDM transmission layer, and a second lookup table to obtain buffer base address and interleaving lengths for a given OFDM transmission layer.
US08787143B2 Method and apparatus for hybrid FDM-CDM structure for single carrier based control channels
A system and method for hybrid FDM (frequency division multiplexing)-CDM (code division multiplexing) structure for single carrier control channels is provided. The hybrid FDM-CDM structure maximizes frequency diversity over the entire available bandwidth such that orthogonality between signals from users in a given cell is maintained. Thus, users in the given cell can transmit over a non-contiguous set of tones. Furthermore, the hybrid FDM-CDM structure maintains orthogonality of a pilot of users in different cells based on a despreading operation in the time domain.
US08787131B2 Fallback mechanism for data reproduction
Reproduction of digital data using a fallback mechanism is disclosed. The digital data can be reproduced in a first mode and in an at least second mode, the operability of a selected mode is monitored and in a situation of failure, a switching between the mode in which a failure is detected to a mode which is operable can be made, so that least some functionality is ensured. An apparatus is disclosed, the apparatus being operable in a first mode where the digital data is accessed in a first format, and the apparatus being operable in an at least second mode where the digital data is accessed in at least a second format. Also a system, a method, a computer readable code and a data stream are disclosed.
US08787129B1 Polarization rotator for thermally assisted magnetic recording
A waveguide structure with a light polarization rotator section for converting transverse electric light from a TE light source to transverse magnetic light which is subsequently coupled to a plasmon generator (PG) is disclosed. Wavelengths above 800 nm are advantageously used to reduce resistive heating in the PG, and in adjacent cladding and write pole layers to improve the thermally assisted magnetic recording head lifetime. The light polarization rotator section has a length determined by TE LD light wavelength, and the effective mode index of the two orthogonal fundamental modes, and preferably has a symmetric structure including a sloped side with a 45 degree angle with respect to a bottom surface. A vertical side of the light polarization rotator section may be coplanar with sides of adjacent waveguide sections. Offsets to the cross-track width are used to improve symmetry for higher TE to TM polarization conversion efficiency.
US08787125B1 Disk drive calibrating fly height actuator to enable laser biasing during non-write mode
A disk drive is disclosed comprising a disk, a head comprising a laser operable to heat the disk while writing data to the disk, and a fly height actuator (FHA) operable to actuate the head vertically over the disk. A setting is applied to the FHA to maintain a fly height of the head. An approximately zero bias laser power is applied to the laser during a non-write mode, and a first write laser power is calibrated during a write mode. A non-zero bias laser power is applied to the laser during the non-write mode, and a second write laser power is calibrated during the write mode. When the second write laser power is different than the first write laser power, the setting of the FHA is adjusted to adjust the fly height of the head.
US08787124B1 Systems and methods for extracting Curie temperature distribution in heat assisted magnetic recording media
Systems and methods for extracting a Curie temperature distribution in a heat assisted magnetic recording medium are provided. One such method involves saturating a magnetic recording medium by causing a laser to direct light on the medium and causing a magnet adjacent to the medium to generate a magnetic field on the medium, causing the magnet to remove the magnetic field on the medium, writing to the medium by causing the laser to direct light on the medium, recording measurements of light reflected from the medium made by a light detector, converting the measurements of reflected light into measurements of remanent thermal magnetization, and extracting the Curie temperature distribution from the measurements of remanent thermal magnetization. One such system involves a processor coupled to a spindle, a magnet, a laser, and a light detector, where the processor is configured to perform this method.
US08787122B2 Time reporting through vibration
A tool for reporting a particular time using vibration is disclosed. The tool assigns a distinct vibration to separate hour regions and minute regions. The tool uses a short series of vibration pulses, one of which is the distinct vibration assigned to the hour region associated with the hour of the particular time, to indicate the hour. The tool produces the distinct vibration assigned to the minute region associated with the minute of the particular time, to indicate the minute to the nearest quarter hour. The total sequence of pulses consists of no more than five separate vibrations.
US08787121B2 Electronic timepiece with solar cell
To provide an electronic timepiece with a solar cell whereby a movement can be reduced in size and whereby a calendar function using a calendar wheel can be achieved, an electronic timepiece with a solar cell is provided with: a solar cell, a character plate, a ground plate arranged on a back surface of the solar cell, a ring-shaped date wheel arranged between the character plate and the ground plate, and a circuit board electrically connected to an electrode of the solar cell via a conduction spring. The conduction spring is arranged on the inside of the date wheel when in plan view seen from the character plate side. In comparison to a case where a conduction spring is provided to the outside of a date wheel, the movement can be reduced in size, and because the date wheel can be arranged, a calendar function can be achieved.
US08787117B2 Electromechanical transducer
An electromechanical transducer according to an embodiment of the present invention is capable of selectively performing a transmitting and receiving operation by using elements of different shapes. The electromechanical transducer has a plurality of cells, each of which has a vibrating film including two electrodes provided with a gap therebetween, two driving and detecting units, a potential difference setter, and a switch. Each of the driving and detecting units implements a transmitting and/or a receiving function. A first or second element includes first or second electrodes which are electrically connected and further connected to the common first or second driving and detecting unit, respectively. The potential difference setter sets a predetermined potential difference between the reference potentials of the first and second driving and detecting units, respectively, and the switch switches between the first and second driving and detecting units to perform the transmitting and receiving operation.
US08787113B2 Voice and position localization
Apparatus configured for processing of both audible and ultrasonic sound inputs, including a sensor with a frequency response spanning both audible and ultrasonic frequencies, and processing electronics configured to separate the audible and ultrasonic input frequencies for independent use. Apparatus configured for processing of both audible and ultrasonic sound inputs, including a sensor with a frequency response spanning both audible and ultrasonic frequencies, and processing electronics configured to process each one of the audible and ultrasonic input frequencies independently. Related apparatus and methods are also described.
US08787107B2 Memory device power control
The apparatus described herein may comprise a first set of transistors, including a first transistor and a second transistor, and a second set of transistors, including a third transistor and a fourth transistor. Gates of the first and second transistors may be coupled to a first signal and a second signal, respectively, each indicating whether a corresponding one of a first supply voltage and a second supply voltage reaches a first threshold voltage or a second threshold voltage to power on a first circuit or a second circuit of a memory device. Gates of the third and fourth transistors may be coupled to a first inverted version of the first signal and a second inverted version of the second signal, respectively. An outcome signal of the second set of transistors may indicate a power-on state of the memory device responsive to power states of the first and second signals.
US08787106B2 Data storing circuit and repair circuit of memory device including the same
A data storing circuit includes: a storage unit configured to store a multi-bit data and a validity signal representing validity of the data; and a decision unit configured to determine validity of the multi-bit data by comparing one-bit data of the multi-bit data with the validity signal.
US08787105B2 Dynamic random access memory with multiple thermal sensors disposed therein and control method thereof
A dynamic random access memory (DRAM) with multiple thermal sensors disposed therein and a control method for the DRAM. A DRAM in accordance with an exemplary embodiment of the invention provides multi-zone temperature detection. The DRAM comprises a plurality of banks, a plurality of thermal sensors and a control unit. The thermal sensors are disposed between the banks. The control unit controls the thermal sensors to obtain sensed temperatures, and sets a self-refresh cycle for all of the banks based on the highest one of the sensed temperatures.
US08787097B1 Circuit design technique for DQS enable/disable calibration
Systems and methods are disclosed for calibrating a Data Strobe (DQS) enable/disable signal and for tracking the timing of the DQS enable/disable signal with respect to changes in voltage and temperature (VT) in order to improve the timing margin of the DQS enable/disable signal in programmable devices using Double Data Rate (DDR) memory. In an exemplary embodiment, the system includes a gating circuit, a sampling circuit, and a delay chain tracking circuit. The gating circuit receives a DQS enable signal and a input DQS signal, calibrates the DQS enable signal based on an amount of delay, and outputs the calibrated DQS signal. The sampling circuit provides the amount of delay to the gating circuit based on a sampling clock. The delay chain tracking circuit maintains the timing of the calibrated DQS enable signal over a plurality of clock cycles based on the sampling clock and a leveling clock.
US08787096B1 N-well switching circuit
A dual-mode PMOS transistor is disclosed that has a first mode of operation in which a switched n-well for the dual-mode PMOS transistor is biased to a high voltage. The dual-mode PMOS transistor has a second mode of operation in which the switched n-well is biased to a low voltage that is lower than the high voltage. The dual-mode PMOS transistor has a size and gate-oxide thickness each having a magnitude that cannot accommodate a permanent tie to the high voltage. An n-well voltage switching circuit biases the switched n-well to prevent voltage damage to the dual-mode PMOS transistor despite its relatively small size and thin gate-oxide thickness.
US08787094B2 Soft erase operation for 3D non-volatile memory with selective inhibiting of passed bits
An erase operation for a 3D stacked memory device selectively inhibits subsets of memory cells which meet a verify condition as the erase operation progresses. As a result, the faster-erasing memory cells are less likely to be over-erased and degradation is reduced. Each subset of memory cells can be independently erased by controlling a select gate, drain (SGD) transistor line, a bit line or a word line, according to the type of subset. For a SGD line subset or a bit line subset, the SGD line or bit line, respectively, is set at a level which inhibits erase. For a word line subset, the word line voltage is floated to inhibit erase. An inhibit or uninhibit status can be maintained for each subset, and each type of subset can have a different maximum allowable number of fail bits.
US08787093B2 Semiconductor memory device and data write method thereof
A semiconductor memory device includes a control circuit. The control circuit executes control to perform a verify operation with respect to only a lowest threshold voltage level of a memory cell at a time of a data write operation, and to skip the verify operation with respect to the other threshold voltage levels. The control circuit determines whether a verify pass bit number of the lowest threshold voltage level, which is counted by a bit scan circuit, is a prescribed bit number or more, and the control circuit further executes control, if the verify pass bit number is the prescribed bit number or more, to perform the verify operation with respect to only the lowest threshold voltage level and a threshold voltage level that is higher than the lowest threshold voltage level, and to skip the verify operation with respect to the other threshold voltage levels.
US08787091B2 Nonvolatile semiconductor memory device
A nonvolatile semiconductor memory device includes a control circuit configured to control a soft program operation of setting nonvolatile memory cells to a first threshold voltage distribution state of the nonvolatile memory cells. When a characteristic of the nonvolatile memory cells is in a first state, the control circuit executes the soft program operation by applying a first voltage for setting the nonvolatile memory cells to the first threshold voltage distribution state to first word lines, and applying a second voltage higher than the first voltage to a second word line. When the characteristic of the nonvolatile memory cells is in a second state, the control circuit executes the soft program operation by applying a third voltage equal to or lower than the first voltage to the first word lines and applying a fourth voltage lower than the second voltage to the second word line.
US08787087B2 Semiconductor memory device controlling operation timing of the sense circuit
According to one embodiment, a semiconductor memory device includes a memory cell array, a bit line, a source line, and a sense circuit. The memory cell array includes memory strings which include memory cells connected in series and stacked above a semiconductor substrate. The bit line is coupled to one of the memory strings and is capable of transferring data. The source line is coupled to one of the memory strings. When data is read, a read current flows from a bit line into the source line. The sense circuit is coupled to the bit line and senses read data. An operation timing of the sense circuit is determined on the basis of a current flowing through the source line.
US08787085B2 Semiconductor memory having both volatile and non-volatile functionality and method of operating
Semiconductor memory having both volatile and non-volatile modes and methods of operation. A semiconductor storage device includes a plurality of memory cells each having a floating body for storing, reading and writing data as volatile memory. The device includes a floating gate or trapping layer for storing data as non-volatile memory, the device operating as volatile memory when power is applied to the device, and the device storing data from the volatile memory as non-volatile memory when power to the device is interrupted.
US08787084B2 Semiconductor device and driving method thereof
The storage device includes a volatile first memory circuit and a nonvolatile second memory circuit which includes a transistor whose channel is formed in an oxide semiconductor layer. In the case of high-frequency driving, during a period when source voltage is applied, a data signal is input to and output from the first memory circuit, and during a part of a period when source voltage is supplied, which is before the supply of the source voltage is stopped, a data signal is input to the second memory circuit. In the case of low-frequency driving, during a period when source voltage is applied, a data signal is input to the second memory circuit, the data signal input to the second memory circuit is input to the first memory circuit, and the data signal input to the first memory circuit is output.
US08787082B2 Semiconductor memory device comprising three-dimensional memory cell array
A semiconductor memory device includes a substantially planar substrate; a memory string vertical to the substrate, the memory string comprising a plurality of storage cells; and a plurality of elongated word lines, each word line including a first portion substantially parallel to the substrate and connected to the memory string and a second portion substantially inclined relative to the substrate and extending above the substrate, wherein a first group of the plurality of word lines are electrically connected to first conductive lines disposed at a first side of the memory string, and a second group of the plurality of word lines are electrically connected to second conductive lines disposed at a second side of the memory string.
US08787077B2 Nonvolatile memory device
According to one embodiment, a nonvolatile memory device includes a memory unit and a control unit. The memory unit includes a magnetic memory element which includes: a first and second ferromagnetic layers; and a first nonmagnetic layer provided between the first and the second ferromagnetic layers. The memory unit includes a magnetic field application unit configured to apply a magnetic field to the second ferromagnetic layer, the magnetic field having a component in a first in-plane direction perpendicular to a stacking direction. The control unit is electrically connected to the magnetic memory element, and is configured to implement a setting operation of changing a voltage between the first and the second ferromagnetic layers from a first set voltage to a second set voltage. The magnetic field applied by the magnetic field application unit satisfies the condition of Δ ⁢ ⁢ H > ( H u + H dx ) ⁢ ( H u + H dx - H ext ) ( H u + H dx + H ext ) . ( 1 )
US08787073B2 Signal processing circuit and method for driving the same
An object is to provide a signal processing circuit which can be manufactured without a complex manufacturing process and suppress power consumption. A storage element includes two logic elements (referred to as a first phase-inversion element and a second phase-inversion element) which invert a phase of an input signal and output the signal, a first selection transistor, and a second selection transistor. In the storage element, two pairs each having a transistor in which a channel is formed in an oxide semiconductor layer and a capacitor (a pair of a first transistor and a first capacitor, and a pair of a second transistor and a second capacitor) are provided. The storage element is used in a storage device such as a register or a cache memory included in a signal processing circuit.
US08787072B2 Floating-body/gate DRAM cell
Memory cell structures and biasing schemes are provided. Certain embodiments pertain to a modified floating-body gate cell, which can provide improved retention times. In one embodiment, a gated diode is used to drive the gate of a second transistor structure of a cell. In another embodiment, a body-tied-source (BTS) field effect transistor is used to drive the gate of the second transistor structure of a cell.
US08787069B2 Write and erase scheme for resistive memory device
A method for programming a two terminal resistive memory device, the method includes applying a bias voltage to a first electrode of a resistive memory cell of the device; measuring a current flowing through the cell; and stopping the applying of the bias voltage if the measured current is equal to or greater than a predetermined value.
US08787059B1 Cascaded content addressable memory array having multiple row segment activation
A content addressable memory (CAM) device has an array including a plurality of CAM rows that are partitioned into row segments, wherein a respective row includes a first row segment including a number of first CAM cells coupled to a first match line segment, a second row segment including a number of second CAM cells coupled to a second match line segment, and a circuit to selectively pre-charge the first match line segment in response to a value indicating whether data stored in the first row segment of the respective row is the same as data stored in the first row segment of another row. Power consumption can be reduced during compare operations in which the first row segment of another row that stores the same data as the first row segment of the respective row is not enabled.
US08787058B2 Selectable multi-way comparator
A method for comparing content addressable memory (CAM) elements is disclosed. Binary values are stored in a pair of CAM elements. A comparison value is provided to a group of comparators, the comparison value based on the binary value stored in the pair of CAM elements. A match value is provided to the group of comparators, the match value corresponding to a binary value pair to be compared with the binary value stored in the pair of CAM elements. A positive match result value is output from a selected group of comparators via an output line in response to the comparison value matching the match value.
US08787057B2 Fast analog memory cell readout using modified bit-line charging configurations
A method for data storage includes providing at least first and second readout schemes for reading storage values from a group of analog memory cells that are connected to respective bit lines. The first readout scheme reads the storage values using a first bit line charging configuration having a first sense time, and the second readout scheme reads the storage values using a second bit line charging configuration having a second sense time, shorter than the first sense time. A condition is evaluated with respect to a read operation that is to be performed over a group of the memory cells. One of the first and second readout schemes is selected responsively to the evaluated condition. The storage values are read from the group of the memory cells using the selected readout scheme.
US08787054B2 Electric power conversion apparatus
An electric power conversion apparatus comprises: three conversion units; a backup conversion unit that can be substituted for any one of the conversion units; and a backup terminal conductor unit. The conversion units, which are mounted on a converter board disposed in a case, can convert a DC current to a three-phase AC current having U-, V- and W-phases. If any one of the conversion units goes out of order, the backup terminal conductor unit can then electrically connect the auxiliary conversion unit, in substitution for the conversion unit having gone out of order, to a three-phase AC input/output unit.
US08787052B2 Methods and systems for controlling a power conversion device
A power conversion system configured to provide alternating current (AC) power to a transformer is described. The power conversion system includes a power conversion device that includes a device input and a device output. The power conversion device is configured to receive power from a power source at the device input and the device output is configured for coupling to a transformer input. The power conversion system also includes a sensor coupled at a first point of interconnection between the device output and the transformer input and is configured to measure a voltage level at the first point of interconnection. The power conversion system also includes a system controller communicatively coupled to the power conversion device and the sensor. The system controller is configured to determine an impedance of the power grid based at least partially on the voltage level at the first point of interconnection.
US08787049B2 Control method for converting power, and electronic power converter adapted to carry out said method
A control method and apparatus are provided to convert a DC voltage into alternating voltage. The apparatus includes a first inverter and a second inverter to generate a first alternating voltage and a second alternating voltage, respectively. Also included is an interphase transformer to combine these alternating voltages in parallel to obtain a first resulting alternating voltage. The apparatus also includes a third inverter and a fourth inverter to generate a third and fourth alternating voltage, respectively. These are combined to form a second resulting alternating voltage. The second resulting alternating voltage is displaced in phase approximately 180° in relation to the first resulting alternating voltage.
US08787046B2 Switch mode power supply device
A power supply device including a rectifying unit, a supplying unit, a controlling unit, a conversion unit and a detection unit is disclosed. The rectifying unit processes an alternating current (AC) voltage to generate a direct current (DC) voltage. The supplying unit generates an operation voltage according to an input voltage. The controlling unit receives the operation voltage and generating an enabling signal. The conversion unit transforms the DC voltage to generate an auxiliary voltage according to the enabling signal. The auxiliary voltage is not equal to the operation voltage. The detection unit detects the auxiliary voltage. When the auxiliary voltage is generated, the detection unit de-activates the supplying unit to stop generating the operation voltage.
US08787044B2 Energy recovery snubber circuit for power converters
An energy recovery snubber circuit for use in switching power converters. The power converters may include a switch network coupled to a primary winding of an isolation transformer, and rectification circuitry coupled to a secondary winding of the isolation transformer. The energy recovery snubber circuit may include clamping circuitry that is operative to clamp voltage spikes and/or ringing at the rectification circuitry. The clamped voltages may be captured by an energy capture module, such as a capacitor. Further, the energy recovery snubber circuitry may include control circuitry operative to return the energy captured by the energy capture module to the input of the power converter. To maintain electrical isolation between a primary side and a secondary side of the isolation transformer, a second isolation transformer may be provided to return the captured energy back to the input of the power converter.
US08787035B2 Electrical interconnect device
An electrical interconnect device includes a frame having frame walls that define a socket that extends along a socket axis between an open top and an open bottom of the frame. The socket is configured to receive an electronic package through the open top. The electrical interconnect device also includes a contact assembly having an insulative carrier that holds an array of conductive elastomeric columns with each of the elastomeric columns having opposite first and second ends. The elastomeric columns are internally conductive between the first and second ends. The elastomeric columns are configured to electrically interconnect the electronic package to a second electronic component. The insulative carrier is configured to float within the frame in a direction generally parallel to the socket axis.
US08787034B2 Co-support system and microelectronic assembly
A system includes a microelectronic assembly having terminals and a microelectronic element, and a component for connection with the microelectronic assembly. The component includes a support structure bearing conductors configured to carry command and address information, and contacts coupled to the conductors and connected with the terminals of the microelectronic assembly. The contacts have address and command information assignments arranged in a first predetermined arrangement for connection with a first type of microelectronic assembly in which the microelectronic element is configured to sample command and address information coupled thereto through the contacts at a first sampling rate, and in a second predetermined arrangement for connection with a second type of microelectronic assembly in which the microelectronic element is configured to sample the command and address information coupled thereto through a subset of the contacts at a second sampling rate greater than the first sampling rate.
US08787025B2 Electronic module with improved latch mechanism
An electronic module for mating with a complementary connector, comprises: a housing, a printed circuit board disposed in the housing, a slider member movably received in the channel, a cover member confining the slider member to the housing, a gasket mounted to the housing and having a pair of engaging portions, and an ejector located above on the slider member. The slider member has a body portion and a pair of arm portions extending forwardly from the body portion. The ejector is located above the pair of arm portions, and has a pair of cantilever portions pivotable outward, in response to a sliding movement of the slider member, against the pair of engaging portions.
US08787024B2 Electronic device with easily detachable power module
An electronic device includes a casing with a side plate and encasing a power module. The power module includes a locking member and a sliding member sandwiched between the base and the cover and abutting the locking member. The sliding member is movable relative to the locking member, between a locked position in which the locking portion of the locking member is pushed by the sliding member to extend through the cover to be locked by the side plate of the casing, and an unlocked position in which the locking portion of the locking member is pressed by the sliding member to withdraw from the side plate to allow removal of the power module from the casing.
US08787023B2 Rail mounting clamp for electronic equipment enclosure
An electronic equipment enclosure includes a frame structure having side cross members between front and rear frames, a vertical mounting rail and a clamping bracket attached to the vertical mounting rail. At least one of the side cross members defines an interior-facing channel that extends at least substantially along the length thereof. Upon insertion into the channel, the clamping bracket is rotatable within the channel to tighten, and thereby fasten, the vertical mounting rail to the frame structure.
US08787019B2 Electric power converter for rolling stock
An electric power converter can include an electric power converter case mounted on rolling stock, a unit mounting section formed in the electric power converter case and having a cooler insertion opening, and an internal unit mounted on the unit mounting section. The internal unit can include a cooler projecting from the unit mounting section through the cooler insertion opening into an outside air introduction section into which the outside air is introduced and a plurality of securing holders made to butt against the unit mounting section for securing the internal unit. Each of the securing holders can have a butting surface for butting against the unit mounting section to form a step by making the butting surface protrude from the opposed surface of the internal unit facing the unit mounting section.
US08787015B2 Liquid cooling system for stackable modules in energy-efficient computing systems
A processing module is provided that comprises a set of processing module sides, each comprising a circuit board, a plurality of connectors coupled to the circuit board, and a plurality of processing nodes coupled to the circuit board. Each processing module side couples to another processing module side to form a modular processing module. The modular processing module comprises an exterior connection to a power source and a communication system and a plurality of cold plates coupled to the plurality of processing nodes. Liquid coolant is circulated through the plurality of cold plates via a closed loop by at least one pump through a plurality of tubes and through at least one heat exchanger. The at least one heat exchanger is coupled to an exterior portion of the processing module. The at least one heat exchanger cools the liquid coolant using air surrounding the processing module.
US08787014B2 Server with improved layout
A server includes a chassis, a motherboard, a number of data storage devices, a number of system fans, and a power supply mounted in the chassis. The system fans generate an airflow flowing through the chassis, from a front portion of the chassis to a rear portion of the chassis. The power supply includes a power fan causing an airflow directed rearwards through the front portion of the chassis to prevent a disturbance with the airflow from the system fans.
US08787012B2 Hard drive retention mechanism
An efficient and quick mechanism provides for retention and removal of hard drives on a computer chassis. A hard drive is placed in a hard drive housing, which includes one or more pins on the outside of the housing and a opening on a side of the housing. The pins on the hard drive housing align with and fit inside slots located on the chassis. The chassis also includes a spring plunger that inserts into the opening of the hard drive housing. The insertion of the spring plunger into the opening of the hard drive housing secures the housing to the chassis. The pins can be uncoupled from the slots and the spring plunger can be released from the opening to quickly remove the hard drive housing from the chassis.
US08787010B2 Information processing apparatus
An information processing apparatus is disclosed which can be enhanced in degree of freedom in design. A hinge mechanism is provided which includes a first shaft structure provided in an exposed state on a second face of a main body section, a second shaft structure provided on a display section, and a shaft connection section which connects the first and second shaft structures to each other. The hinge mechanism pivotably connects the display section to the main body section between a first position at which a screen of the display section is opposed to a first face of the main body section and a second position at which the screen is inclined with respect to the first face of the main body section such that the center of the pivotal motion of the display section varies during the pivotal motion.
US08787004B2 Medium voltage circuit breaker with integrated electronic protection unit
A Medium Voltage Circuit Breaker (CB) comprising an electronic protection and control unit having: a base, fixed to the CB, comprising a main body having fixing means for fixing to the CB, a first side of said main body comprising a confined space including connections to the CB and internal accessories thereof, a second side of said main body comprising a plurality of first power and/or signal connection means; a removable unit comprising a casing, a first part of said casing hosting one or more Intelligent Electronic Devices, a second part of said casing being removably coupled to said base and comprising a plurality of second power and/or signal connection means connected to said first power and/or signal connection means.
US08787001B2 Electrical devices containing carbon nanotube-infused fibers and methods for production thereof
Electrical devices containing continuous fibers that are infused with carbon nanotubes are described herein. The electrical devices contain at least a first electrode layer and a second electrode layer, where the first and second electrode layers each contain a plurality of continuous fibers that are infused with carbon nanotubes. In some embodiments, the electrical devices can be supercapacitors, further containing at least a base plate, a layer of separator material disposed between the first and second electrode layers, and an electrolyte in contact with the first and second electrode layers. The first and second electrode layers can be formed by conformal winding of the continuous fibers. The electrical devices can contain any number of additional electrode layers, each being separated from one another by a layer of separator material. Methods for producing the electrical devices are also described herein.
US08786995B2 Surge current suppressing circuit
A surge current suppressing circuit is applied between an AC power and an electronic device that receives the AC power via a first AC power line and a second AC power line. The surge current suppressing circuit has a first input fuse connected to the first AC power line, and a first air-core inductor connected in series with the first input fuse on the first AC power line to suppress a surge current. Depending upon the practical applications, the surge current suppressing circuit can further have a second air-core inductor connected to the second AC power line, a capacitor connected between the two AC power lines or both.
US08786985B1 System, method and apparatus for storage architecture for bit patterned media using both erase band and shingled magnetic recording
Storage architecture for bit patterned media uses both erase band and shingled magnetic recording. A hard disk drive may comprise a disk having bit patterned media with a plurality of data tracks arrayed in architecture pages having at least one of erase band mode (EBM), shingled mode (SM) and unallocated space. An actuator has a head for writing data to the data tracks of the bit patterned media. A control system monitors, reallocates and reconfigures the architecture pages from EBM, SM or unallocated space to a different one of EBM, SM or unallocated space to enhance performance of the hard disk drive.
US08786982B1 Disk drive device
A disk drive device includes a rotating body that rotates and drives a disk, a stationary body which includes a chassis with a protrusive part and a stator core fastened with the chassis, and a fluid bearing unit. The chassis has a recess with a bottom provided in the protrusive part, and the fluid bearing unit includes an insertion part inserted in the recess with the bottom, and a core encircled part. A gas passage is provided which causes a clearance space between the insertion part and the recess with the bottom to be in communication with a disk retaining space.
US08786980B2 Magnetic tape library device including cartridge exchange number restriction mechanism
To provide a magnetic tape library device capable of easily exchanging a specific cartridge required to be exchanged under the mailslot function and shortening the time for inventory with a simple structure even with the magazine where a plurality of stages of cells for housing the magnetic tape cartridges inside thereof are loaded. The magnetic tape library device includes: a magazine which houses cartridges via a plurality of stacked cells; a device main body which houses the magazine to be freely movable; an accessor which transports the magnetic tape cartridge extracted from the magazine towards a magnetic tape drive; and a cartridge exchange number restricting mechanism which restricts the magnetic tape cartridges from being ejected out from remaining cells except for the cell where at least a specific magnetic tape cartridge is housed out of the plurality of cells on the very front row of the drawn out magazine.
US08786976B1 Disk drive detecting when head is on ramp
A disk drive is disclosed comprising a head actuated over a disk surface, the head comprising a fly height actuator for controlling a fly height of the head, and a ramp for parking the head. A ramp procedure is executed by applying a control signal to the fly height actuator to decrease the fly height and receiving a corresponding fly height signal, and detecting whether the head is on the ramp in response to the fly height signal.
US08786974B2 Method and apparatus for controlling a motor
A method and apparatus for adaptively controlling a motor considering a state of disturbance applied to a system. The method includes changing a frequency bandwidth of a frequency response characteristic in a motor control system according to a state of disturbance applied to the motor control system, and controlling a speed of the motor by applying the changed frequency bandwidth to the motor control system.
US08786968B2 Data storage device including a recording channel, a detector, and a noise prediction circuit, and method of processing a signal in a data storage device
According to embodiments of the present invention, a data storage device is provided. The data storage device includes a recording channel configured to carry a signal; a detector configured to detect the signal from the recording channel; and a noise prediction circuit configured to predict noise affecting the recording channel and the detected signal based on a noisy channel model. According to further embodiments of the present invention, a method of processing a signal in a data storage device is also provided.
US08786964B2 Photographing lens assembly
A photographing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element and a third lens element. The first lens element with positive refractive power has an object-side surface being convex at a paraxial region. The second lens element with negative refractive power has an object-side surface being concave at a paraxial region and an image-side surface being concave or planar at a paraxial region, wherein the second lens element is made of plastic material and the surfaces thereof are aspheric. The third lens element with negative refractive power has an object-side surface being concave at a paraxial region, and an image-side surface being concave at a paraxial region and being convex at a peripheral region, wherein the third lens element is made of plastic material, and the surfaces thereof are aspheric.
US08786962B2 Photographing system
A photographing system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has negative refractive power. The third lens element with positive refractive power is made of plastic material and has a convex object-side surface and a convex image-side surface. The fourth lens element with negative refractive power is made of plastic material and has a concave object-side surface and a convex image-side surface. The fifth lens element with refractive power is made of plastic material and has a concave image-side surface, wherein the fifth lens element has at least one inflection point. The object-side surfaces and the image-side surfaces of the third through fifth lens elements are aspheric.
US08786961B2 Image pickup lens
There is provided an image pickup lens having a 6-element structure which has a small size and a sufficiently lens speed of F/2 or less and in which various aberrations are corrected favorably. This image pickup lens includes a first lens having a positive refractive power and comprising a convex surface directed to the object side; a second lens having a negative refractive power and comprising a concave surface directed to the image side; a third lens having a positive or negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a positive refractive power and comprising a convex surface directed to the image side; and a sixth lens having a negative refractive power and comprising a concave surface directed to the image side, in this order from the object side, wherein the image side surface of the sixth lens has an aspherical shape and an inflection point at a position other than an intersection point with the optical axis, and the image pickup lens satisfies the following conditional expressions. νd1>50 νd2≦30 where, νd1 is an Abbe number of the first lens, and νd2 is an Abbe number of the second lens.
US08786959B2 Auto-focusing camera module and auto-focusing method using same
An auto-focus camera module includes an lens module, an image sensor, a color separation unit, a main processor unit and an image processing unit. The lens module captures an image of object. The image sensor receives the image captured by the lens module. The color separation unit separates the image into red, green and blue colors. The main processor unit calculates MTF values of the sensed image and determines a shooting mode of the AF camera. The image processing unit processes the image according to the MTF values to compensate for any blurring of the image caused by being out of focus. The driving unit drives the lens module to the point of optimal focus on the object according to MTF values.
US08786958B2 Zoom lens system, interchangeable lens apparatus and camera system
A zoom lens system, in order from an object side to an image side, comprising a first lens unit having negative optical power, a second lens unit having positive optical power, a third lens unit having negative optical power, and a fourth lens unit having positive optical power, wherein the third lens unit moves along an optical axis in focusing from an infinity in-focus condition to a close-object in-focus condition, and the conditions: 0.5<|f3/fW|<2.0 and 0.005
US08786957B2 Zoom lens and image pickup apparatus including the same
A zoom lens includes, in order from an object side, a positive first lens unit which does not move for zooming, a negative second lens unit which moves in an optical axis direction for zooming, a negative third lens unit which moves in the optical axis direction for zooming so as to correct image plane variation due to zooming, and a positive fourth lens unit which does not move for zooming. The fourth lens unit includes, in an order from the object side, a positive first sub lens unit and a positive second sub lens unit, which are separated by a largest air interval in the fourth lens unit. Abbe constants, partial dispersion ratios, and coefficients of the refractive index variation due to the temperature variation are appropriately set for lens materials forming the third lens unit, the first sub lens unit, and the second sub lens unit.
US08786956B2 Zoom lens system, imaging optical device, and digital appliance
A zoom lens system is composed of negative, positive, negative, and positive lens groups, of which at least the first to third move during zooming. During zooming from the wide-angle end to the telephoto end, the distance between the first and second lens groups decreases, the distance between the second and third lens groups varies, and the distance between the third and fourth lens groups increases. The conditional formulae 1.0≦|f2/f1|≦1.5 and 2.0≦|f4/f1|≦5.0 are fulfilled (f1, f2, and f4 representing the focal lengths of the first, second, and fourth lens groups).
US08786955B2 Endoscope objective optical system
The diameter of an endoscope insertion portion is reduced, and a wide field angle of an endoscope insertion portion is obtained. An endoscope objective optical system includes, from an object side, a first lens formed of a plano-concave lens having a concave surface facing an image side, a second lens formed of a plano-concave lens having a concave surface facing the object side, an aperture stop, and a third lens formed of a plano-convex lens having a plane surface facing the object side, and satisfies 0.7≦|fab/f|0.9 1.7≦|fe/fab|≦2 2≦fb/fa≦4 where f: focal length of the entire system; fa: focal length of the first lens; fb: focal length of the second lens; fe: represents focal length of the third lens; fab: combined focal length from the first lens to the second lens.
US08786953B2 User interface
A head-mounted display (HMD) may include an eye-tracking system, an HMD-tracking system and a display configured to display virtual images. The virtual images may present an augmented reality to a wearer of the HMD and the virtual images may adjust dynamically based on HMD-tracking data. However, position and orientation sensor errors may introduce drift into the displayed virtual images. By incorporating eye-tracking data, the drift of virtual images may be reduced. In one embodiment, the eye-tracking data could be used to determine a gaze axis and a target object in the displayed virtual images. The HMD may then move the target object towards a central axis. The HMD may also record data based on the gaze axis, central axis and target object to determine a user interface preference. The user interface preference could be used to adjust similar interactions with the HMD.
US08786952B2 Method and assembly for three-dimensional products
Provided are methods for making a product having a three-dimensional surface. The method includes providing a base material, providing an adhesive layer and positioning the adhesive layer relative to the base material. The method includes providing a three-dimensional sheet having a top surface and a bottom surface, the top surface having a convex lens layer. The three-dimensional sheet is positioned relative to the base material based on a registration of an image on the three-dimensional sheet and is secured to the base material using the adhesive layer. Securing the three-dimensional sheet to the base material can include applying pressure to the three-dimensional sheet in successive steps of increasing pressure. Also provided is a product having a three-dimensional surface that includes a base material, a three-dimensional sheet, and an adhesive layer disposed between the base material and three-dimensional sheet and configured to secure the three-dimensional sheet to the base material.
US08786949B2 Method for polarizing terahertz electromagnetic wave using polarizer, and polarizer
A method for polarizing an electromagnetic wave having a frequency of not less than 0.1 THz and not more than 0.8 THz using a polarizer includes steps (a) and (b). The step (a) includes preparing the polarizer. The polarizer includes: a sapphire single crystalline layer; and a CaxCoO2 crystalline layer. The CaxCoO2 crystalline layer is stacked on the sapphire single crystalline layer, a surface of the CaxCoO2 crystalline layer has a (100) plane orientation and the CaxCoO2 crystalline layer has a thickness of not less than 2 micrometers and not more than 20 micrometers. The step (b) includes irradiating the polarizer with the electromagnetic wave having a frequency of not less than 0.1 THz and not more than 0.8 THz to output an output wave having only a component parallel to a c-axis direction of the sapphire single crystalline layer.
US08786946B2 Surgical microscope system
The surgical microscope system includes a first binocular microscope and a first display device. The first binocular microscope includes an objective lens, a first right ocular lens which provides a first image based on a light flux transmitted through the objective lens, and a first left ocular lens which provides a second image based on a light flux transmitted through the objective lens. The first display device can be disposed opposite to or in alignment with the first binocular microscope, and includes a first right-eye image display surface for displaying the first image and a first left-eye image display surface for displaying the second image. The first display device can be reversed about a horizontal axis extending in a direction along which the first right-eye image display surface and the first left-eye image display surface are located in alignment.
US08786942B2 Coherently phase combined, high contrast, pulsed optical fiber amplifier array
A pulsed fiber array laser system that has actively stabilized coherent beam combination (CBC) is disclosed. The active stabilization is accomplished using both piston phase control and intra-pulse phase control, allowing a much greater increase in pulse energy. Further stabilization using intra-pulse amplitude control is also disclosed. A chirp profile can be written on the output pulse to enable specific applications. An amplitude profile of the amplifier array may optionally be tailored to match to a reference electrical pulse. Using the current invention, a much smaller number of amplifier chains will be needed to achieve certain pulse energy, resulting in a system with lower complexity, lower cost, smaller size, less weight, and higher reliability.
US08786937B2 Dual-polarization QPSK demodulator
In an embodiment, a DP-QPSK demodulator includes first, second and third polarization beam splitters (“PBSs”) and first, second and third half waveplates (“HWPs”). The first HWP is positioned to receive an output of the first PBS. The second PBS is positioned to receive an output of the first HWP. The second HWP is positioned to receive an output of the second PBS. The third PBS is positioned to receive an output of the second HWP. The third HWP is positioned to receive an output of the third PBS.
US08786934B2 Display device
In a device for displaying images by application of an electric field to a charged substance, a structure for reducing afterimages and a method for manufacturing the structure are provided. The device is a display device which includes a plurality of pixel electrodes and a charged layer (a layer including a charged substance) provided over the pixel electrodes. An end of one of two pixel electrodes that are adjacent to each other among the plurality of pixel electrodes has a depression in an end-face direction, and an end of the other of the pixel electrodes has a projection in the end-face direction. In a state in which the depression and the projection are in a set, a gap is formed between the two pixel electrodes.
US08786933B2 Fabrication of a floating rocker MEMS device for light modulation
The current disclosure shows how to make a fast switching array of mirrors for projection displays. Because the mirror does not have a via in the middle connecting to the underlying spring support, there is an improved contrast ratio that results from not having light scatter off the legs or vias like existing technologies. Because there are no supporting contacts, the mirror can be made smaller making smaller pixels that can be used to make higher density displays. In addition, because there is not restoring force from any supporting spring support, the mirror stays in place facing one or other direction due to adhesion. This means there is no need to use a voltage to hold the mirror in position. This means that less power is required to run the display.
US08786931B2 Electrochromic display
There is provided an electrochromic display that includes a display substrate, which includes a display electrode on a first substrate and an insulating film on or above the display electrode; a counter substrate having a counter electrode on a second substrate, the counter substrate facing the display substrate; and a color-developing layer containing an electrochromic material disposed in a region surrounded by a sealing member between the display substrate and the counter substrate. The insulating film is disposed on or above the display electrode except for a display region of the display electrode in the region surrounded by the sealing member.
US08786930B2 Method and apparatus for generation of coherent frequency combs
Embodiments of the invention provide apparatuses and methods for phase correlated seeding of parametric mixer and for generating coherent frequency combs. The parametric mixer may use two phase-correlated optical waves with different carrier frequencies to generate new optical waves centered at frequencies differing from the input waves, while retaining the input wave coherent properties. In the case when parametric mixer is used to generate frequency combs with small frequency pitch, the phase correlation of the input (seed) waves can be achieved by electro-optical modulator and a single master laser. In the case when frequency comb possessing a frequency pitch that is larger than frequency modulation that can be affected by electro-optic modulator, the phase correlation of the input (seed) waves is achieved by combined use of an electro-optical modulator and injection locking to a single or multiple slave lasers.
US08786894B2 Image processing apparatus
An image processing apparatus causes a printing executing section to perform a printing process using color-materials, the image processing apparatus includes: a first processing unit that performs a first image-processing by processing original image data in order to generate first processed image data; and a supplying unit, wherein the first processing unit includes: a calculating unit that calculates an index value relating an edge-intensity about a target pixel in object image data; and a correcting unit that corrects a value of the target pixel based on the index value of the edge-intensity, wherein the correcting unit corrects the value of the target pixel such that print-density of the target pixel increase if the target pixel is a first pixel, and wherein the correcting unit corrects the value of the target pixel such that print-density of the target pixel decrease if the target pixel is a second pixel.
US08786892B2 Control apparatus, storage medium in which control program is stored, and printer to execute a plurality of processing in parallel
A control apparatus, which is configured to communicate with an external apparatus, to control a display section and a printing section, and to execute a plurality of processing in parallel, includes: a storage section which is configured to store image data to be supplied to the display section and first data transmitted from the external apparatus, a first processing executing section which is configured to execute a first processing in which the image data is supplied to the display section; a second processing executing section which is configured to execute a second processing, which is to be executed in parallel with the first processing, and in which a predetermined image processing is applied to the first data to generate second data to be stored in the storage section; and an identifying section which is configured to identify the number of the second data stored in the storage section.
US08786888B2 Cloud processing for print jobs
A system includes an estimator to analyze an input file that describes a print job, to analyze local feedback data that describes local capacity to process the print job by a local print preprocessor, and to analyze remote feedback data that describes remote capacity to process the print job by a cloud-based print preprocessor, wherein the estimator determines a time estimate for the local print preprocessor or the cloud-based print preprocessor to process the print job based on the analyzed input file, the analyzed local feedback data, or the analyzed remote feedback data. A scheduler receives the time estimate from the estimator to determine whether to route the print job to the local print preprocessor or the cloud-based print preprocessor to process the print job.
US08786885B2 Image forming apparatus with image data mapper
An image forming machine includes an image data memory, an image data mapper, and a printer. For an envelope, the image data memory stores image data to be printed on a back of the body and a face of the flap, as backside image data. Based on this data, the image data mapper generates print data including a first print data to be printed on the body back and a second print data to be printed on the flap face. The printer prints a part of the backside image data on the body back in accordance with the first print data, and a remaining part of the backside image data on the flap face in accordance with the second print data.
US08786878B2 Print processing device, image processing device and method for setting print mode
A print processing device includes: a display device that displays a print preview of a print document; a plurality of application programs; an application specifying part that specifies the application program which is used to compose the print document; a print mode setting part that stores print mode setting information; an application determining part that determines whether or not the application program specified by the application specifying part is a program that is likely not to provide to the print mode setting part a print orientation information in correspondence with the print document as actually printed; a print preview display method deciding part that determines a display method of the print preview based on a determination result by the application determining part; and a print preview displaying part that displays the print preview according to the display method decided by the print preview display method deciding part.
US08786875B1 Systems and methods for printing a document from a mobile communication device
The illustrative embodiments described herein provide systems and methods for printing a document from a mobile communication device. In one embodiment, the method includes receiving a print job sent from the mobile communication device and determining a location of the mobile communication device. The method also includes identifying a printer proximate the mobile communication device and initiating execution of the print job at the identified printer.
US08786870B2 Image-forming apparatus and image-reading apparatus and method
An image-forming apparatus forms a test image on a sheet being transported. The test image includes a defect detection image for image defect detection and a plurality of marks for detecting the angle of inclination of the test image on the sheet in a two-dimensional plane extending in a transport direction of the sheet and a width direction of the sheet crossing the transport direction. The plurality of marks are formed at positions remote from each other in a central region of the sheet in the width direction. The image-forming apparatus then reads the test image, detects the plurality of marks, calculates the angle of inclination of the test image based on the plurality of marks, corrects the test image for inclination based on the calculated angle of inclination, and detects an image defect based on corrected-image data representing the corrected test image.
US08786866B2 Apparatus and method for determining inner profiles of hollow devices
In one aspect, an apparatus for determining an internal profile of a measured device is provided, which method in one embodiment may include: a housing having a first axis, a measuring device configured to emit a light beam along a second axis offset from the first axis; a deflection device configured to direct the emitted light beam to an inner surface of the measured device; and a driver configured to rotate the measuring device about the first axis.
US08786862B2 Spectral optical coherence tomography
The invention relates to an apparatus for generating a scannable optical delay for a beam of light and an apparatus for Fourier domain optical coherence tomography having said apparatus for generating a scannable optical delay in its reference arm (15). The light beam is directed to a pivotably driven mirror (10) from where it is reflected to a fixed mirror (12), and from there back retro reflected along the reference arm (5). Lens optics (9) are provided to ensure accurate optical alignment in several pivot positions of the pivotably driven mirror (10).
US08786857B2 Mitigation of optical signal noise using a multimode transmit fiber
An apparatus and methods for measuring combustion parameters in the measurement zone of a gas turbine engine. The measurement zone is defined as being between an outer casing and an engine component having a reflecting surface inside the outer casing. The apparatus comprises a laser generating a transmitting beam of light of a select wavelength and a multimode transmitting fiber optically coupled to the laser. A transmitting optic is optically coupled to the multimode optical fiber for transmitting the beam into the measurement zone. The reflecting surface is configured to provide a Lambertian reflection. A receiving optic is positioned to receive the Lambertian reflection. Means are provided in operative association with the multimode transmitting fiber for averaging modal noise induced signal level variation of light propagating within the multimode transmitting fiber.
US08786854B2 Spectroscopic detector
A spectroscopic detector includes a spectroscopic element for dispersing light, a photodetector for detecting the light dispersed by the spectroscopic element and a condensing optical system for condensing the dispersed light to the photodetector and compensating for a deviation in a detected wavelength deriving from nonlinearity of the angle of emergence generated in the spectroscopic element through chromatic aberration of magnification.
US08786853B2 Monochromator having a tunable grating
A spectrometer includes: an entrance aperture, a collimator, intended to produce, from a light source, a collimated input light (5), a plurality of gratings arranged in a 2-D matrix, a plurality of detectors, and an exit aperture.
US08786850B2 Illumination energy management in surface inspection
The disclosure is directed to a system and method of managing illumination energy applied to illuminated portions of a scanned wafer to mitigate illumination-induced damage without unnecessarily compromising SNR of an inspection system. The wafer may be rotated at a selected spin frequency for scanning wafer defects utilizing the inspection system. Illumination energy may be varied over at least one scanned region of the wafer as a function of radial distance of an illuminated portion from the center of the wafer and the selected spin frequency of the wafer. Illumination energy may be further applied constantly over one or more scanned regions of the wafer beyond a selected distance from the center of the wafer.
US08786848B2 Inspection system for a combustor of a turbine engine
An inspection system formed at least from an inspection system housing including at least one internal chamber that supports an extendible camera support shaft extending distally through a pilot nozzle port into a combustor of a gas turbine engine is disclosed. The inspection system may include a camera capable of capturing high quality images together with position coordinates. Thus, the inspection system enables images in a combustor of a gas turbine engine to be captured and recaptured at a subsequent outage so that the images may be analyzed and compared for preventive maintenance, troubleshooting, and the like. The inspection system may include three degrees of freedom for the camera mounted on the extendible camera support shaft.
US08786847B2 Light measuring meter apparatus
This invention is related to a light measuring apparatus and a method of using the device. It is used to measure various photometric quantities of the light emanating from a distant source of light.
US08786844B2 Apparatus for measuring optical characteristics including position detection
An apparatus measuring optical characteristics including position detection is disclosed. A processor is coupled to a display. A first optical sensor makes a first measurement and a second optical sensor makes a second measurement. A source of illumination provides illumination in the IR range it and the first optical sensor determine a minimal distance between the apparatus and an external object such that illumination emitted by the source is not received by the first optical sensor when the apparatus is less than the minimal distance from the external object. A position of the apparatus with respect to an object and an optical property of light received by the apparatus are determined. A transparent member having a thickness less than the minimal distance may be provided through which the source provides illumination and receives illumination external to the apparatus.
US08786836B2 Measuring instrument and method for determination of the properties of an item and its surface
A measurement device for the determination of the characteristics of the object's surface by means of the optical radiation, wherein a measurement device comprises an optical radiation source and a detector to receive the radiation reflected from the surface being measured. In addition, a measurement device comprises an emitted optical radiation processing unit, which is adjusted to split optical radiation emitted by an optical source into separate wavelengths and to direct said separate wavelengths to the object being measured in a direction, that differs from the normal of the surface being measured so, that at least the shortest and the longest wavelengths of said wavelengths are focused on different halves and different heights of the measured object's surface, in the direction of the normal of the surface being measured. In addition, a measurement device comprises a reflected optical radiation processing unit, which is adjusted to receive an optical radiation reflected from the measured object at least in the direction of a specular reflection, which differs from the normal of the surface being measured, and to direct received optical radiation to said detector. Still further, the measurement device is adjusted to analyze an electric signal produced by the detector and proportional to the intensity of the radiation focused thereto, and to further determine a surface gloss (gloss degree) and/or thickness characteristic property of the measured object, based on the intensity of its wavelength, the focus point of which was located on the measured surface, and which wavelength was the strongest reflected from that point to the detector in the specular geometry.
US08786835B1 System, apparatus and method for detecting presence and range of an object
A multifunctional detector for emitting and receiving optical signals in order to determine the presence, location, and range movement of a player within a field of regard is disclosed. The detector generally includes a laser module operable for emitting an optical signal; an optional fiber optical delay line; a microcontroller/processor; a faceted scanning mirror pattern having multiple facets with each facet being tilted downward to allow for unique depressions for reflecting and scattering optical signals emitted by the laser module; a spinner/motor for driving and rotating the faceted mirror pattern; an optional combiner for separating emitted optical signals from the laser module or combining reflected optical signals from an reflective source; and a transceiver with an integrated APD receiver for receiving reflected optical signals combined from the combiner and transmitting reflected optical signal data to a central controller or other players. A method of using the detector is also disclosed.
US08786827B2 Method and apparatus for measurement of exit pupil transmittance
A method and apparatus for determining the state of the lens transmittance of an optical projection system are described. A lens or imaging objective transmission is determined as a function of exit pupil transverse direction cosine (nx,ny) at multiple field points thereby providing a more complete analysis and correction of a photolithographic exposure system. The entrance pupil of a projection imaging system is uniformly illuminated and the angular dependence of transmission through the imaging system as a function of exit pupil direction cosines is determined. The illumination source includes a light conditioner with an in-situ illumination structure (ISIS), which is an optical structure that can provide uniform illumination of the system's entrance pupil.
US08786825B2 Apparatus and method of measuring a property of a substrate
The present invention makes the use of measurement of a diffraction spectrum in or near an image plane in order to determine a property of an exposed substrate. In particular, the positive and negative first diffraction orders are separated or diverged, detected and their intensity measured to determine overlay (or other properties) of exposed layers on the substrate.
US08786824B2 Source-mask optimization in lithographic apparatus
A method for configuring an illumination source of a lithographic apparatus, the method including dividing the illumination source into pixel groups, each pixel group including one or more illumination source points; selecting an illumination shape to expose a pattern, the illumination shape formed with at least one pixel group; ranking the pixel groups according to how a change in state of a pixel group affects a lithographic metric; and for each pixel group in order of ranking, determining whether to adjust the illumination shape by changing the state of the pixel group based on a calculation of the lithographic metric as a result of a change in state of the pixel group.
US08786822B2 Projection optical system with deformable optical element, exposure apparatus, and device manufacturing method
A system includes a plurality of optical elements, a deformation unit configured to deform a deformable optical element satisfying a following conditional formula included in the plurality of optical elements by applying a force to the deformable optical element: 0.75
US08786818B2 Liquid crystal display panel having particular laminated spacer
Disclosed is a liquid crystal display panel that can minimize the occurrence of short circuits (leaks) between the pair of substrates even if a certain amount of pressing force is applied to the substrates. A liquid crystal display panel of the present invention is provided with a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, such that one of the pair of substrates is provided with a support substrate, a laminated spacer formed by laminating three or more resin layers including transparent colored layers, and an electrode that covers the laminated spacer; the other of the pair of substrates is provided with a support substrate and electrodes; and the degree of deformation of the topmost resin layer of the three or more resin layers is at most 5% of the degree of deformation of the entire laminated spacer, when a certain amount of pressing force is applied to the support substrate supporting the laminated spacer.
US08786817B2 Liquid crystal panel and manufacturing method thereof
A liquid crystal panel includes a liquid crystal layer and a substrate. The substrate includes a sealant bonding area, a cutting edge surrounding the sealant bonding area, and an abutting portion disposed between the sealant bonding area and the cutting edge. A height of the abutting portion is less than a thickness of the liquid crystal layer. The present disclosure further provides a manufacturing method of the liquid crystal panel. With the abutting portion disposed outside the sealant, the uncured sealant is limited from flowing to the cutting edge during the process of bonding the TFT substrate and the CF substrate. Thus, the manufacturing process of the liquid crystal panel may not be influenced by the uncured sealant, and the distance L between the sealant and the cutting edge can be shortened to improve the coating precision of the sealant and the utilization rate of the substrate.
US08786816B2 Display panel and manufacturing method for the same
A display panel includes a first substrate, a second substrate facing the first substrate, a dam disposed between the first substrate and the second substrate along edges of the first and second substrates, the first substrate, second substrate, and dam having a same outermost incision surface, and a sealing member disposed between the first and second substrates, the sealing member being between an interior of the display panel and the dam.
US08786815B2 Driving circuit and display panel having the same
A display panel having a display region and a non-display region is provided. The display panel includes a plurality of pixel structures in the display region, and each pixel structure includes a scan line, a data line, a first active device, a pixel electrode, a first insulating layer, a capacitor electrode, and a second insulating layer. The first active device includes a first gate, a first channel, a first source, and a first drain. The second insulating layer covers the first insulating layer and the capacitor electrode and is located between the capacitor electrode and the first drain. At least one driving circuit is disposed in the non-display region and includes at least one second active device. Hence, a relatively thin insulating layer can be disposed between the capacitor electrode and the drain to reduce the area of the capacitor region and to achieve a desired aperture ratio.
US08786811B2 Liquid crystal display device
A liquid crystal display device using a horizontal electric field mode, in which contrast ratio is improved, is provided. A first polarizing plate having a polarization axis along a first direction, a second polarizing plate having a polarization axis along a second direction orthogonal to the first direction, a plurality of first structure bodies provided over a first substrate, a plurality of second structure bodies provided over the first substrate, a first electrode layer covering top surfaces and side surfaces of the plurality of first structure bodies, and a second electrode layer covering top surfaces and side surfaces of the plurality of second structure bodies are provided. The side surfaces of the first structure bodies and the side surfaces of the second structure bodies are parallel to the first direction or the second direction. Thus, a liquid crystal display device in which contrast ratio is improved can be provided.
US08786810B2 Liquid crystal device and electronic apparatus
A first peripheral electrode and a second peripheral electrode are provided at a peripheral region sandwiched between a pixel region and a seal material in a first substrate of a liquid crystal device, and strength of electric potentials which are applied to the first peripheral electrode, the second peripheral electrode, and a common electrode of an opposite substrate satisfies the condition of the second peripheral electrode
US08786808B2 Liquid crystal display and method of manufacturing the same
A liquid crystal display including a pair of substrates; a plurality of electrodes formed in a matrix on one of the pair of substrates, wherein each of the plurality of electrodes includes a plurality of stripe-like portions that define a plurality of spaces therebetween; polymer material and liquid crystal between the pair of substrates; and polymer alignment films which are formed on each of the substrates and are affected by light irradiation and cause alignment of the liquid crystal in predetermined directions. The plurality of stripe-like portions extend in at least two different directions which are not parallel to each other.
US08786807B2 Liquid crystal display module and liquid crystal display device
The present invention provides a liquid crystal display module configured with a color filter substrate, a TFT substrate, a layer of liquid crystal, and a sealant. The TFT substrate and the color filter substrate are arranged opposite to each other and the sealant is used to confine the layer of liquid crystal within the space defined between the TFT substrate and the color filter substrate. The color filter substrate includes a first glass substrate, a transparent conductive layer, and a black matrix. Wherein the transparent conductive layer is laminated over the black matrix and defines a recess which is located on a surface facing the layer of liquid crystal of the first glass substrate. The recess is surrounded by the black matrix, and end of the sealant abuts against the recess, and a width of the sealant is smaller than the width of the recess. The present invention further provides a LCD device incorporated with a LCD module as described. The present invention can readily provide a recognizable benchmark for identifying and checking the border of the sealant. The area of the sealant applied can be readily inspected and checked, therefore ensure the quality of the final product.
US08786806B2 Pixels having extra-planar fringe field amplifiers for multi-domain vertical alignment liquid crystal displays
A multi-domain vertical alignment liquid crystal display that does not require physical features on the substrate (such as protrusions and ITO slits) is disclosed. Each pixel of the MVA LCD is subdivided into color components, which are further divided into color dots. Each pixel also contains extra-planar fringe field amplifiers that separate the color dots of a pixel. The voltage polarity of the color dots and extra-planar fringe field amplifiers are arranged so that fringe fields in each color dot causes multiple liquid crystal domains in each color dot. Specifically, the color dots and fringe field amplifying regions of the display are arranged so that neighboring polarized elements have opposite polarities.
US08786804B2 Surface light source device and LCD unit
A surface light source device having a local dimming function and an LCD unit using the device can include a light guide having a top surface including a plurality of linear convexes and a bottom surface including a plurality of dots. The device can also include a reflective sheet located adjacent the bottom surface, a prism sheet located adjacent the top surface, a diffusing sheet located adjacent the prism sheet, and a pair of LED light sources located adjacent both light incident surfaces of the light guide and divided into a plurality of groups. Each light emitted from the groups can be configured to be emitted independently from a respective one of local domains on a light-emitting surface of the device. Therefore, the disclosed subject matter can provide a surface light source device having a local dimming function with a simple structure as with a conventional edge light type device.
US08786798B2 Liquid crystal display device
The present invention provides a liquid crystal display device having a liquid crystal display panel of which the outer shape in a plane has at least one corner that is not 90° (dotted line A), and is characterized in that cushion tapes (CT3, CT4) are placed along the sides of the outer shape of the liquid crystal display panel between the liquid crystal display panel LCP and a frame for supporting the liquid crystal display panel, and the cushion tapes along the two sides connected to the above-described corner that is not 90° are made to make contact with each other, and the width of an end of the cushion tape along at least one side is smaller than the width of the cushion tape along the middle of the side.
US08786794B2 Semiconductor device
It is an object of the present invention to connect a wiring, an electrode, or the like formed with two incompatible films (an ITO film and an aluminum film) without increasing the cross-sectional area of the wiring and to achieve lower power consumption even when the screen size becomes larger. The present invention provides a two-layer structure including an upper layer and a lower layer having a larger width than the upper layer. A first conductive layer is formed with Ti or Mo, and a second conductive layer is formed with aluminum (pure aluminum) having low electric resistance over the first conductive layer. A part of the lower layer projected from the end section of the upper layer is bonded with ITO.
US08786790B2 Liquid crystal display device
In one embodiment, a liquid crystal display device includes a lens array unit having a cylindrical lens array constituted by a plurality of cylindrical lenses each having a lens surface and a generatrix corresponding to the lens surface. The lens surface is arranged in a line in a direction orthogonally crossing the generatrix. A first substrate is arranged at a back side of the lens array unit and includes a pixel electrode in a belt shape extending in a different direction from the direction in which the generatrix extends. The pixel electrode is formed in a V character shape. A second substrate is arranged between the lens array unit and the first substrate including a counter electrode in a belt shape commonly arranged on the pixel electrodes extending in a parallel direction to the pixel electrode.
US08786789B2 3-dimensional image display device
A stereoscopic image display device includes; a display device includes a plurality of pixels, and which displays a first image transmitted to a left eye and displays a second image transmitted to a right eye, wherein the display device displays the first image and the second image by inserting a third image representing a predetermined luminance between the first image transmitted to the left eye and the second image transmitted to the right eye.
US08786786B2 Method for selecting an audio and/or video service received
Method for receiving audio and/or video services and an automatic selection step of audio or audio/video services.In order to optimise access to varied services, the method comprises: a radio and/or television channel request step, referred to as a requested channel, then a determination step of at least two services representative of said requested channel, said services being received via distinct networks, a reception step of said at least two services, and an automatic selection step of one of said services according to at least one service quality parameter associated with each of said services at reception.
US08786785B2 Video signature
Video signatures are generated when a small change in video information between consecutive frames N−1 and N is followed by a large change in video information between consecutive frames N and N+1. Information from frames N and/or N+1 is used to form a video signature.
US08786780B2 Information processing apparatus and display control method
An apparatus includes: a first operating system configured to execute a first function; a second operating system configured to execute a second function; and a display controller configured to select one of first image information and second image information, the first image information being based on execution of the first function, the second image information being based on execution of the second function, or to superimpose one of the first image information and the second image information on the other information, and to display one of the selected information and the superimposed information on a display unit. The display controller is configured to display one menu when one of the first operating system and the second operating system is running, one of first icon and second icon being selectable from the menu, the first icon indicating start of the first function, the second icon indicating start of the second function.
US08786779B2 Signal processing apparatus and method thereof
A video audio system includes an audio processing apparatus capable of processing audio signals input from a plurality of input sources and a video processing apparatus capable of displaying a video image based on a video signal input from a selected input source. The video processing apparatus executes image processing based on the selected input source type notified by the audio processing apparatus, and transmits delay time information required for the image processing. The audio processing apparatus delays an audio signal based on the delay time information transmitted from the video processing apparatus.
US08786778B2 Timing control apparatus and video processing system
A timing control apparatus includes: an extraction unit that outputs an input timing signal of an image signal; an input timing switch unit that selects whether to output the input timing signal output from the extraction unit or to input an external input timing signal; an input timing delay addition unit capable of adding delay information to the input timing signal output from the extraction unit; a reference timing generation unit that generates a reference timing signal from the input timing signal; a reference timing switch unit that selects whether to output the reference timing signal or to input an external reference timing signal; and an individual timing generation unit that generates, from the reference timing signal, a video processing timing signal and an output timing signal.
US08786776B1 Method, apparatus and system for communicating sideband data with non-compressed video
Techniques and mechanisms for communicating sideband information in a data frame including video data. In an embodiment, a data frame is exchanged between two device via a hardware interconnect which is compatible with physical layer requirements of an interface specification. The interface specification identifies a data frame format comprising a total of X consecutive horizontal lines of vertical blanking data and a total of Y consecutive horizontal lines of data including video data. In another embodiment, vertical blanking data of the data frame includes only (X−N) consecutive horizontal lines of data. Active data of the data frame includes N horizontal lines of data including sideband data, and Y additional horizontal lines of data including video data.
US08786772B2 Imaging device
An imaging device of the present invention includes: an imaging element for taking an optical image of a photographic subject and generating image data therefrom; a main circuit board for conducting signal processing on the image data, an imaging element flexible cable on which the imaging element is mounted and that has a ground potential; a shutter that opens and closes timed on the shooting of images or video of the photographic subject; a shutter flexible cable that transfers a control signal for controlling the shutter and that has a ground potential; a mount for fixing the imaging element and that includes a metallic component; and a metal plate that is connected to the mount and is disposed between the imaging element and the main circuit board. Therein, the ground potential of the imaging element and the shutter flexible cable are connected.
US08786771B2 Camera module
A camera module includes a lens module, a circuit board, an image sensor, a lens holder and a filter. The lens holder includes a hollow main body and a bottom base connected to the main body. The main body is connected to the lens module. The bottom base defines a receiving cavity. A sidewall of the bottom based defines at least one mounting hole close to the hollow main body and communicating with the receiving cavity. The filter is positioned on the bottom base and received in the receiving cavity. The at least one mounting hole is configured for allowing the filter to enter into the receiving cavity or be taken out of the receiving cavity. The circuit board is positioned on the bottom base. The image sensor is received in the receiving cavity and electrically connected to the circuit board.
US08786770B2 Camera body and imaging device
A camera body 100 comprises a body mount 150, a CMOS image sensor 110, a shutter unit 190, and a shutter controller 145. The body mount 150 allows the lens unit 200 to be mounted. The CMOS image sensor 110 is configured to convert an optical image of a subject into an electric signal. The shutter unit 190 is disposed between the body mount 150 and the CMOS image sensor 110, and is configured to block the optical path between the lens unit 200 and the CMOS image sensor 110. The shutter controller 145 is configured to control the shutter unit 190 to maintain the shutter unit 190 in the open state in a state in which the supply of power is halted.
US08786768B2 Image capturing device
An image capturing device 100 includes three blocks, that is, a lens block 1 having an imaging lens 4, a display block 2, and a frame block 3. The display block 2 has a display unit 5 which performs display using a liquid crystal, a transparent touch screen 63 with which the display unit 5 is covered, a shutter button 61 which is disposed adjacent to the display unit 5, and a power button 62. The frame block 3 has a generally U-shaped frame form and surrounds the circumferences of the lens block 1 and the display block 2. Each of the display block 2 and the frame block 3 is coupled to the lens block 1 rotatably via a biaxial hinge unit. Especially, the display block 2 and the frame block 3 are coupled to the lens block 1 rotatably via a first hinge and second hinges.
US08786767B2 Rapid synchronized lighting and shuttering
This document describes various apparatuses and techniques for rapid synchronized lighting and shuttering. These apparatuses and techniques are capable of capturing two images, where one of the images integrates multiple exposures during which an image area is illuminated by a light source and another of the images integrates multiple exposures during which the image is not illuminated by the light source. The image area can be illuminated by rapidly flashing the image area with the light source and synchronizing a shutter to permit one image sensor to capture an image when the image area is illuminated and another image sensor to capture the image area when the image area is not illuminated. These two images can be captured concurrently or nearly concurrently, thereby reducing or eliminating motion artifacts. Further, these apparatuses and techniques may do so with slow and relatively low-cost cameras and relatively low computational costs.
US08786759B2 Method and apparatus for auto-focus using liquid crystal adaptive optics
An auto-focus camera (100) can include a lens (102), a sensor (108) for detecting an image from the lens, a first liquid crystal layer (104) between the lens and the sensor, and a second liquid crystal layer (106) between the lens and the sensor and further orthogonally aligned to the first liquid crystal layer. The auto-focus camera can further include an integrated circuit programmed to drive the first liquid crystal layer and the second liquid crystal layer. The auto-focus camera can include a controller (202) programmed to control two orthogonally aligned liquid crystal layers. The liquid crystal layers can serve as an optical anti-alias filter using birefringence properties of the liquid crystal layers. The first liquid crystal layer and the second liquid crystal layer can be orthogonally aligned to achieve polarization insensitive operation of the auto-focus camera.
US08786755B2 Method and apparatus for polarization imaging
A polarization imaging apparatus includes a laser light source and an image pickup element. Object light and reference light each include a first polarized-light component polarized in a first direction and a second polarized-light component polarized in a second direction that is different from the first direction. The image pickup element simultaneously captures an image of an interference pattern including (i) a first interference figure, (ii) a second interference figure, (iii) a third interference figure, and (iv) a fourth interference figure. The polarization imaging apparatus includes a reconstructing section generating respective reconstructed images of the object in regard to the first and second polarized-light components, from the first to fourth interference figures, and a polarized-light-image-calculating section obtaining polarized-light images from the reconstructed images.
US08786751B2 Display control system, display control apparatus and control method therefor
A display control apparatus having a connecting portion communicably connected to an imaging apparatus obtains an inclination angle of the imaging apparatus, and displays a displayed item on a display unit based on the obtained inclination angle. At this time, the display control apparatus performs control for displaying the displayed item indicating an inclination angle whose positive and negative have been inverted relative to positive and negative of the obtained inclination angle.
US08786748B2 Solid-state imaging device and camera system
A solid-state imaging device includes a pixel array section including a plurality of pixels, a pixel drive line controlling driving the pixels in each row, a signal line reading an analog signal of the pixels in each column, a pixel drive unit driving the pixels to perform a readout through the pixel drive line, and a readout circuit capable of converting the analog signal into a digital signal. At least the number of pixel drive lines or the number of signal lines is more than one, and the pixels of each pixel group are connected to different lines of either the pixel drive lines or the signal lines. The pixel drive unit sequentially drives the pixels in the pixel group at shifted timings, and the readout circuit includes an analog-to-digital converter sequentially receiving analog signals from the pixel group and sequentially converting the analog signals into digital signals.
US08786744B2 Image-capturing device, image-capturing method, and image-capturing program
An electronic shutter control part is configured to control an electronic shutter. A mechanical shutter has a light-shielding part. The mechanical shutter is configured to end exposing the first and second photoelectric conversion elements by moving the light-shielding part. The assessing part is configured to assess whether the length of a exposure time is longer or less than a threshold value. The electronic shutter control part is configured to control the electronic shutter to start exposing the first photoelectric conversion element at a first exposure-start timing and control the electronic shutter to start exposing the second photoelectric conversion element at a second exposure-start timing in order to make the first exposure time to be closer to the second exposure time when the exposure time is less than a threshold value, than when the exposure time is longer than a threshold value.
US08786743B2 Imaging apparatus and shutter operation correcting method
An imaging apparatus includes: an imaging device that includes a plurality of pixels; a first curtain that travels to block incidence of light on the imaging device; a reset unit that sequentially reset-scans lines of the imaging device earlier than the traveling of the first curtain; and a correction controller that corrects a line reset-scanning time of the reset unit on the basis of a movement amount of the imaging device having been made to move on the basis of a camera shake detection result.
US08786742B2 Solid-state imager device, drive method of solid-state imager device and camera apparatus
In a case when a structure of forming a p+ layer on a substrate rear surface side is employed in order to prevent dark current generation from the silicon boundary surface, various problems occur. According to this invention, an insulation film 39 is provided on a rear surface on a silicon substrate 31 and a transparent electrode 40 is further provided thereon, and by applying a negative voltage with respect to the potential of the silicon substrate 31 from a voltage supply source 41 to the insulation film 39 through the transparent electrode 40, positive holes are accumulated on a silicon boundary surface of the substrate rear surface side and a structure equivalent to a state in which a positive hole accumulation layer exists on aforesaid silicon boundary surface is to be created. Thus, various problems in the related art can be avoided.
US08786739B2 Photoelectric conversion device and imaging system
A photoelectric conversion device comprises a semiconductor substrate; a multilayer wiring structure; a first color filter layer including a plurality of first color filters which are arranged above a first photoelectric conversion units to allow light of a first color to enter the first photoelectric conversion units, each first color filter being connected to an adjacent first color filter; and a second color filter layer including a plurality of second color filters which are arranged above a second photoelectric conversion units to allow light of a second color to enter the second photoelectric conversion units, wherein the multilayer wiring structure including an uppermost wiring layer which defines the aperture regions corresponding to the respective photoelectric conversion units, and an insulation film arranged to cover the uppermost wiring layer, and wherein the first color filter layer and the second color filter layer are arranged to cover the insulation film.
US08786737B2 Image correction device and image correction method
An image correction device includes a coordinate transformation unit, a parameter value determination unit, and a correction value calculation unit. The coordinate transformation unit receives first coordinates of at least one pixel data of an illuminated pattern under a first coordinate system, and transforms the first coordinates into second coordinates under a second coordinate system, wherein the second coordinate system is rotated relative to the first coordinate system by an angle with respect to an optical center of the illuminated pattern. The parameter value determination unit determines a respective value of at least one correction parameter according to the position of each of the at least one pixel data in the second coordinate system. The correction value calculation unit calculates an image correction value of each of the at least one pixel data according to the second coordinates and the respective value of the at least one correction parameter.
US08786734B2 Image pickup apparatus
The invention provides an image pickup apparatus including: an image pickup device including a memory portion for analog storage and a pixel portion; a first read-out control and processing portions that, in a first frame-period, read out a first-image-signal from a first-pixel-region of the pixel portion, and in a second frame-period longer than the first frame-period, read out a second-image-signal from a second-pixel-region of the pixel portion including the first-pixel-region, and store the read-out signals in the memory portion; a second read-out control and processing portions that read out from a memory portion an AF image signal related to the first-image-signal and a display image signal related to the second-image-signal; a focal point detecting portion that carries out contrast focal point detection based on the AF image signal; and an image display portion that displays an image based on the display image signal.
US08786731B2 Image pickup apparatus and image pickup apparatus control method that generates an image with transformed number of pixels
Apparatus and method for realizing a processing with which a pixel gravity center control can be conducted when a pixel number reduction image is generated in an image pickup apparatus. A pixel unit configured to output a pixel addition signal obtained by adding output pixel signals from pixels having different sensitivities to each other and a pixel information synthesis unit configured to execute a weighted addition processing of multiplying plural pixel addition signals output from the pixel unit by a previously set gain and calculate a configuration pixel value of a pixel number reduction image where a total number of pixels is lower than a number of pixels of the pixel unit are provided.
US08786730B2 Image exposure using exclusion regions
Calculating a gain setting for a primary image sensor includes receiving a test-matrix of pixels from a test image sensor, and receiving a first-frame matrix of pixels from a primary image sensor. A gain setting is calculated for the primary image sensor using the first-frame matrix of pixels except those pixels imaging one or more exclusion regions identified from the test matrix of pixels.
US08786724B2 Image-capturing device for controlling a timing for generating of image-capture data and timing control circuit for controlling a timing for generating of image-capture
An image-capturing device includes an image-capturing section, an image-data-generation section, a progress-information-acquiring section, and an image-capture control section. The image-capturing section captures an image of a subject and repeatedly generates image-capture data of frames which represent single video frames. The image-data-generation section carries out processing for generating image data indicating an image of the subject, on the basis of image-capture data of the image-capturing section. The progress-information-acquiring section acquires progress information indicating progress of processing for generating the image data. The image-capture control section controls, on the basis of the progress information, a timing for starting the generating of the image-capture data for the next frame in the image-capturing section.
US08786720B2 Biological specimen observation method
When a biological specimen, such as living cells, biological tissue, or a small animal, is quantitatively observed, the specimen is observed for a long time or over a long period, while maintaining the quantitative properties. Provided is an observation method of observing luminescence or fluorescence emitted from a biological specimen. The observation method includes a referring step of referring to image data previously acquired; an intensity determining step of determining whether the intensity of the image data previously acquired is saturated; an exposure dividing step of dividing the exposure of the image data previously acquired one time into a plurality of exposures when the intensity is determined as being saturated in the intensity determining step; an image acquiring step of acquiring images the same number of times as the number of divided exposures; and an integrating step of integrating the images separately acquired multiple times into a single image.
US08786716B2 Rolling shutter reduction based on motion sensors
This disclosure pertains to devices, methods, and computer readable media for reducing rolling shutter distortion effects in captured video frames based on timestamped positional information obtained from positional sensors in communication with an image capture device. In general, rolling shutter reduction techniques are described for generating and applying image segment-specific perspective transforms to already-captured segments (i.e., portions) of images in a video sequence, so as to counter or compensate for unwanted distortions that occurred during the read out of the image sensor. Such distortions may be due to, for example, the use of CMOS sensors combined with the rapid movement of the image capture device. In contrast to the prior art, rolling shutter reduction techniques described herein may be applied to captured images in real-time or near real-time using positional sensor information and without intensive image processing that would require an analysis of the content of the underlying image data.
US08786715B2 Digital camera for coordinating focusing with compensation of camera shake
In various embodiments, a digital camera may coordinate focusing with compensation of camera shake. The digital camera may include a shutter-signal generating unit which outputs a first shutter signal corresponding to a start of a focusing operation and a second shutter signal corresponding to a start of a photographing operation. The digital camera may also include a digital signal processor which performs a centering operation of a compensation lens in response to the first shutter signal, and which performs a compensation operation of the compensation lens for compensating for a camera shake in response to the second shutter signal.
US08786710B2 Test system and method for testing motherboard of camera
A test system for a motherboard of a camera includes a storage device, a processor, and a terminal device. The storage device pre-stores image signals. The processor is electronically connected between the storage device and the motherboard, and the terminal device is electronically connected to the motherboard. The terminal device pre-stores a plurality of pictures corresponding to the image signals in the storage device. The processor converts the image signals into test signals. The motherboard restores the test signals into images and transmits the images to the terminal device. The terminal device compares the plurality of pictures with the images, and determines a performance of the motherboard according to the comparison.
US08786708B2 Method for characterizing pixels of an image sensor
A method for characterizing image sensor pixels arranged in an array, including the steps of: (a) illuminating a first portion of the array formed of pixels associated with a color filter of a first color; (b) measuring the detection performed by a central pixel of the first portion; (c) illuminating a second portion of the array formed of a central pixel associated with a color filter of a second color and of peripheral pixels associated with a color filter of the first color; (d) measuring the detection performed by the central pixel and the peripheral pixels of the second portion; (e) comparing the measurements of steps (b) and (d).
US08786707B1 Pattern-free camera calibration for mobile devices with accelerometers
A method for generating values for one or more camera calibration parameters is described. The camera calibration parameters may include focal length, lens distortion, and optical center of the lens. A plurality of photographs are captured from a camera on a device which includes an accelerometer. Common features are determined between the captured photographs. Accelerometer data is analyzed for each captured photograph. The values for the camera calibration parameters are generated based on the common features and the accelerometer data and stored for future use with various applications.
US08786706B2 Analog utility meter reading
A method and apparatus to read an analog dial utility meter including a plurality of analog dials, where each dial includes a rotating dial indicator is provided. The apparatus is configured to analyze a digital image of the analog dial utility meter to determine a value of each dial of the utility meter. The method comprises receiving a digital image of the analog dial utility meter, and performing one or more processing and analysis steps to determine a meter reading of the utility meter.
US08786702B2 Visualizing and updating long-term memory percepts in a video surveillance system
Techniques are disclosed for visually conveying a percept. The percept may represent information learned by a video surveillance system. A request may be received to view a percept for a specified scene. The percept may have been derived from data streams generated from a sequence of video frames depicting the specified scene captured by a video camera. A visual representation of the percept may be generated. A user interface may be configured to display the visual representation of the percept and to allow a user to view and/or modify metadata attributes with the percept. For example, the user may label a percept and set events matching the percept to always (or never) result in alert being generated for users of the video surveillance system.
US08786696B2 Protector of handheld electronic devices
An improved protector allows the operation of camera buttons to operate at greater depths through use of a “see-saw” mechanism proximate the camera buttons.
US08786694B2 Method and apparatus for fast focus imaging biologic specimens
A method and apparatus for imaging a biologic fluid sample quiescently residing within a chamber is provided. The method includes the steps of: a) positioning the chamber at a Z-axis position relative to an objective lens having a lens axis, wherein the Z-axis is parallel to the lens axis; b) moving one or both of the chamber and the objective lens relative to one another at a velocity along the Z-axis; and c) creating one or more images of the biologic fluid sample as one or both of the chamber and the objective lens are moving at a velocity relative to one another within a focus search range along the Z-axis.
US08786690B2 Imaging apparatus, endoscope system, and method of controlling imaging apparatus
An imaging apparatus includes an imaging section that images an object, an observation mode setting section that sets an observation mode when the imaging section images the object, and a control section that controls an image read mode in which an image is read from the imaging section and a in-focus object plane of the imaging section based on the observation mode set by the observation mode setting section.
US08786689B1 Modular optical medical diagnostic system
An optical medical diagnostic system is disclosed comprising a LED light assembly, a controller portion and a power portion where the modular LED light assembly can switch from one operating wavelength LED light assembly to another wavelength LED light assembly. The generated fluorescence image may be viewed through a fluorescence band pass filter assembly mounted on the light handle and viewing angle can be adjusted through its tilt arm. The band pass filter blocks the excitation wavelength and passes the fluorescence wavelength.
US08786682B2 Reference image techniques for three-dimensional sensing
A method including providing a device that projects a pattern of coherent radiation. The method further includes capturing a reference image of the pattern using an image sensor by projecting the pattern of the coherent radiation onto a reference surface and engendering a relative motion between the reference surface and the image sensor while capturing the reference image. The method also includes storing the reference image in a memory associated with the device.
US08786681B1 Stereoscopic conversion
A method performed by one or more processors includes: receiving model data defining a three-dimensional scene; rendering the three-dimensional scene into a primary view image showing the three-dimensional scene from a view of a primary camera; and generating, for each of at least some pixels in the primary view image, a disparity value that defines a disparity between a location of the pixel in the primary view image and an indicated location of the pixel in a secondary view image showing the three-dimensional scene from a view of a secondary camera.
US08786679B2 Imaging device, 3D modeling data creation method, and computer-readable recording medium storing programs
A control part 210 sets up an exposure condition under which the bright part of the object is properly exposed and an exposure condition under which the dark part of the object is properly exposed. The control part 210 controls the first and second imaging part 110 and 120 to capture images with the set exposures, whereby a pair of images captured with different exposures is obtained. The control part 210 extracts corresponding points that are characteristic points corresponding between the image pairs. The control part 210 optimizes the extracted corresponding points based on the density of corresponding points between the images constituting an image pair captured with the same exposure and based on the pixel value of the corresponding points between the images captured with different exposures. The control part 210 creates 3D modeling data using the optimized corresponding points.
US08786677B2 Imaging device
An imaging device is provided that comprises a movement detection component configured to detect movement of the imaging device based on a force imparted to the imaging device, an imaging component configured to produce image data by capturing a subject image, a movement vector detection component configured to detect a movement vector based on a plurality of sets of image data produced by the imaging component, and a three-dimensional NR component configured to reduce a noise included in first image data produced by the imaging component, based on second image data produced earlier than the first image data, wherein the three-dimensional NR component is configured to decide whether to correct the second image data in response to the detection result of the movement vector detection component, based on both the detection result of the movement detection component and the detection result of the movement vector detection component.
US08786675B2 Systems using eye mounted displays
A display device is mounted on and/or inside the eye. The eye mounted display contains multiple sub-displays, each of which projects light to different retinal positions within a portion of the retina corresponding to the sub-display. The projected light propagates through the pupil but does not fill the entire pupil. In this way, multiple sub-displays can project their light onto the relevant portion of the retina. Moving from the pupil to the cornea, the projection of the pupil onto the cornea will be referred to as the corneal aperture. The projected light propagates through less than the full corneal aperture. The sub-displays use spatial multiplexing at the corneal surface. Various electronic devices interface to the eye mounted display.
US08786668B2 Sharing participant information in a videoconference
A method for displaying information in a videoconference is disclosed. Video information from a first endpoint of the videoconference may be received. The video information may include an image of a participant at the first endpoint. Participant information for the participant (e.g., name, phone number, job title, etc.) may also be received. The video information and the participant information for the participant may be displayed together on a display screen at a second endpoint of the videoconference.
US08786667B2 Distributed recording of a videoconference in multiple formats
A videoconference may be initiated between a plurality of endpoints. At least one of the endpoints may be coupled to a recording server, which may be configured to record the videoconference. A configuration may be selected (e.g., automatically or manually) for performing the recording. The endpoint (e.g., acting as an MCU) may transmit information to endpoints and may transmit recording information to the recording server. The recording information may be different from the videoconference information. For example, it may be in a “streaming friendly” format, at a different bit rate, encoded differently, have different inputs, etc. The manner in which the videoconference is stored and/or recorded may be based on the selected configuration. Clients may be configured to receive and display the videoconference from the recording server and may be configured to change the provided layout to different layouts, e.g., based on user input.
US08786666B2 Providing separate video and presentation streams to a recording server
A videoconference may be initiated between a plurality of endpoints. At least one of the endpoints may be coupled to a recording server, which may be configured to record the videoconference. A configuration may be selected (e.g., automatically or manually) for performing the recording. The endpoint (e.g., acting as an MCU) may transmit information to endpoints and may transmit recording information to the recording server. The recording information may be different from the videoconference information. For example, it may be in a “streaming friendly” format, at a different bit rate, encoded differently, have different inputs, etc. The manner in which the videoconference is stored and/or recorded may be based on the selected configuration. Clients may be configured to receive and display the videoconference from the recording server and may be configured to change the provided layout to different layouts, e.g., based on user input.
US08786663B2 Method and equipment for realizing concurrency of voice and data
A method and apparatus for realizing concurrency of voice and data are disclosed, wherein the method includes: step A, a network side receiving a voice call request, and when detecting that a called mobile terminal of the voice call request is carrying out a data service connection, executing step B; step B, the network side notifying a calling mobile terminal of the voice call request of a situation that the called mobile terminal is carrying out the data service connection, and prompting the calling mobile terminal to re-initiate a call in a manner of a video call simultaneously. The present invention achieves that the called mobile terminal can notifying the calling mobile terminal of the situation that the called mobile terminal is in the data connection and does not want the data connection to be interrupted when the called mobile terminal is carrying out the data service connection.
US08786662B2 Successive real-time interactive video sessions
A method for initiating continuous succession of multiple real time interactive video sessions of a predetermined duration between two users among multiple users logged on to a server through a network. The method includes matching of a set of predetermined characteristics of a first user with a set of predetermined characteristics of other users, and identifying an appropriate second user for the first user to interact with. On identifying the second user, a real time interactive session of predetermined duration is initiated between the two users and the user accounts of the two users are debited by a predetermined amount of virtual currency. On identifying a swiping operation on the display screen in a predetermined manner, by any of the first and the second users, the method automatically terminates the current video session, and initiates a next video session for that user.
US08786661B2 Videophone input apparatus
A videophone input apparatus has a communication interface for communicating with a system server, a peer and an A/V output apparatus; a processor; and a memory which causes the videophone apparatus to connect the videophone input apparatus via a local connection to the A/V output apparatus and via a first wireless connection to the system server. The videophone input apparatus transceives configuration information between the videophone input apparatus and the system server via the first wireless connection; establish a peer-to-peer connection between the videophone input apparatus and the peer over a second wireless connection; and trigger a videophone service over the peer-to-peer connection utilizing a service account defined by the system server. Furthermore, the videophone input apparatus provides user input data for the videophone service using the videophone input apparatus; and provide user output data, from the peer, for the videophone service using the A/V output apparatus.
US08786659B2 Device, method and computer program product for responding to media conference deficiencies
A method for responding to media conference deficiencies, the method includes: monitoring, by at least one receiver, a quality of media conference signals being received by at least one receiver during the media conference; sending, in response to the monitoring, to at least an end user transmitter that transmitted the media conference signals, a quality indication representative of a quality of the received media conference signals; recording inadequately received media conference signals that were inadequately received by a certain end user receiver and participating in an activity related to a transmission, to the certain end user receiver, of the inadequately received media conference signals or of a representation of the inadequately received media conference signals.
US08786653B2 Light quantity control device, exposure device, and image forming apparatus
A light quantity control device includes a light quantity detecting unit and an output unit. The light quantity detecting unit detects a quantity of laser light emitted from semiconductor laser elements which are mounted on plural mount devices. The output unit is provided on at least a reference mount device among the plural mount devices and outputs, to another mount device other than the reference mount device among the plural mount devices, an output result which is obtained through comparison and correction of a value detected by the light quantity detecting unit and a reference value.
US08786652B2 Information processing apparatus, information processing method, and system
An information processing apparatus that generates positional information relating to an energy transmitting position includes a shape information obtaining unit that obtains shape information of a region, a circumscribed rectangle generating unit that generates a circumscribed rectangle of the region, a parallel line generating unit that generates parallel lines extending across the region at a predetermined interval, an intersection calculating unit that calculates a first intersection point between a parallel line of the parallel lines and a line segment of an outline defining the region that is generated based on the shape information, and a data generating unit that generates parallel line data by dividing the parallel line at the first intersection point and removing a divided line that overlaps with the circumscribed rectangle, or by shortening an edge point of the parallel line to the first intersection point.
US08786648B1 Image erasing apparatus
An image erasing apparatus includes an erasing unit, a reading unit, and a control unit. The erasing unit erases an image formed in a recording medium. The reading unit reads control information included in the image. The control unit determines whether or not to erase the image using the erasing unit on the basis of date information included in the control information.
US08786645B2 Subpixel arrangements of displays and method for rendering the same
An apparatus including a display and control logic is provided. In one example, the display includes an array of subpixels having a plurality of zigzag subpixel groups. Each zigzag subpixel group includes at least three zigzag subpixel units arranged adjacently along a horizontal or vertical direction. Each zigzag subpixel unit includes a plurality of subpixels of the same color arranged in a zigzag pattern. In each zigzag subpixel unit, a first plurality of subpixels are arranged along one diagonal direction from a turning subpixel disposed at a turning corner of the zigzag pattern, and a second plurality of subpixels are arranged along another diagonal direction from the turning subpixel. In another example, the display includes an array of subpixels having a novel subpixel repeating group. The control logic is operatively coupled to the display and configured to receive display data and render the display data into control signals for driving the display.
US08786642B2 Digital hybrid cockpit control panel system with integrated panel modules and coordinated digital chromaticity control
The system includes a digital system architecture including digital chromaticity control. Such control may include color balance, luminance, and color compensation and/or harmonization of multiple integrated modules of display or illuminated panels. Embodiments include a system topology with an integrated modular design for multiple display or illuminated control panels, which can reduce the system weight, wiring complexity, and development expense. In embodiments, a digital chromaticity control includes in-module and cross-module control for balance and harmonization of multiple panels and modules, incorporating integrated digital signal processors and digital communications for internal and external networking.
US08786639B2 Device, method, and graphical user interface for manipulating a collection of objects
A method includes: displaying a collection of objects; detecting a gesture made by a contact on the touch-sensitive surface, the gesture comprising a first movement of the contact on the touch-sensitive surface followed by a pause in movement of the contact followed by a second movement of the contact on the touch-sensitive surface; selecting a plurality of objects in the collection of objects in accordance with the first movement; and, after detecting the pause in movement of the contact, moving the selected plurality of objects away from unselected objects in the collection of objects in accordance with the second movement.
US08786636B2 Information processing apparatus, program, and control method
An information processing apparatus includes a display, a sensor, and a controller. The display has a screen. The sensor is configured to detect an inclination. The controller is configured to display a first object on the screen and display a second object associated with the first object on the screen in accordance with the inclination detected by the sensor.
US08786626B2 Color processing device, color processing method, and computer readable medium storing program
A color processing device includes a calculating unit that calculates hues in a device-dependent color space and hues in a device-independent color space of plural reproduction colors that are positioned on an input color gamut boundary and that have different hues, a deriving unit that calculates hues of corresponding colors in which a change in at least one of lightness and chrome caused by color gamut mapping performed in the device-independent color space is smaller than a change caused by the color gamut mapping performed on the reproduction colors, thereby deriving a correspondence between the hues in the device-dependent color space and the hues of the corresponding colors in the device-independent color space, a hue correcting unit that calculates hues in the device-dependent color space from input colors, thereby correcting the input colors, and a color gamut mapping unit that performs the color gamut mapping.
US08786621B2 Display update for a wireless display device
Embodiments of partial update for a wireless display device include providing an update information message identifying a location of the partial update and the changed image data. A display source identifies changes in image data stored in a frame buffer, generates an update information message to identify the location of the changed image data and to provide the changed image data. A display sink receives the update information message and merges the changed image data with image data stored in a local frame buffer.
US08786619B2 Parallelized definition and display of content in a scripting environment
Various content may be defined and display in parallel in a scripting environment. The scripting language may not wait for error checking or reporting before proceeding to updating the content definition. In one embodiment, no error checking or reporting may be performed. Content may be defined by setting graphics states while content may be displayed by validating the graphics states and submitting validated states to a GPU. The defining and display of content may be performed asynchronously.
US08786603B2 Ancestor-to-ancestor relationship linking methods and systems
Methods, devices and systems for implementing an interactive display of ancestor-to-ancestor relationships are presented. The method includes displaying on a display device of a computer system, a user interface for displaying one or more genealogical charts including one or more nodes. The method further includes receiving, from an input device of the computer system, a selection of a first node and a second node. Then, in response to receiving the selection of the first and second nodes, the method includes calculating a sequence of relationships connecting the first node to the second node. Finally, the method includes organizing the sequence of relationships into one or more steps, wherein each step contains a sequential subset of nodes and relationships that can be displayed at the same time, and sequentially displaying the nodes and relationships in each step on the display device.
US08786602B2 System and method for hierarchically decomposing process model
A system and associated method for hierarchically decomposing a workflow graph G into a process structure tree PST. The workflow graph G is a two-terminal graph parsed into a tree T having triconnected components. Boundary pairs of all triconnected components in T are computed and fragments are discovered with boundary pairs. T is restructured into PST pursuant to categories of triconnected components in T. PST is deterministic and modular. PST represents a block-based process model that has fine blocks of execution units. PST is computed in time linear to the number of edges in G.
US08786601B2 Generating views of medical images
A system for generating a view of a medical image comprises an input (1) for receiving information indicative of a suspected diagnosis of a patient. An input (2) for receiving a medical image of the patient. A mapper (3) for mapping the suspected diagnosis of the patient to a set of viewing parameters for viewing the medical image. A view generator (8) for providing a view of the medical image in accordance with the set of viewing parameters. A database (4) for mapping a suspected diagnosis into a set of generic viewing parameters. A transformer (5) for transforming the set of generic viewing parameters into a set of image-specific viewing parameters based on content of the medical image.
US08786598B2 Pixel-intensity modulation technique for frame-sequential stereo-3D displays
Discloses herein are methods, apparatuses, and systems for preparing and displaying images in frame-sequential stereoscopic 3D. Frame-sequential stereoscopic display includes an alternating sequence of left- and right-perspective images for display. Disclosed methods include identifying pixels that modulate due to the alternating sequence of left- and right-perspective images of the frame-sequential stereoscopic display. The disclosed methods also include processing the pixels to reduce one or more residual images caused by the alternating sequence of left- and right-perspective images of the frame-sequential stereoscopic display. The disclosed methods may be implemented by a processing unit and the processing unit may be included in a system (such as, a computer or video-game console).
US08786590B2 Image processing arrangement illuminating regions of an image based on motion
An image processing arrangement includes an input to receive an indicator of a power characteristic related to an image processing arrangement and an image processor to process an image based on the indicator of the power characteristic.
US08786588B2 Display device and driving method thereof
In a still image display mode, a driving signal and power supply voltage are supplied to a first driver circuit and a driving signal and power supply voltage are supplied to a second driver circuit, and an image signal is output to n pixels. After that, at least the supply of the driving signal and the power supply voltage to the second driver circuit is stopped and an image of the pixel portion based on the image signal is held as a still image. A series of these operations is performed N (N is a natural number) times. In the case where N is 2 or more, stopping the supply of the driving signal and the power supply voltage to the second driver circuit in a K-th (K is a natural number, 2≦K≦N) period is set longer than that in a (K−1)-th period.
US08786587B2 Pixel and organic light emitting display using the same
A pixel includes an organic light emitting diode (OLED) having a cathode electrode coupled to a second power source, a first transistor for controlling an amount of current that flows from a first power source to the second power source via the OLED corresponding to a data signal, a second transistor coupled between a data line and a gate electrode of the first transistor, a third transistor coupled between the gate electrode of the first transistor and a reference power source, a fourth transistor coupled between the third transistor and the reference power source, a fifth transistor coupled between an anode electrode of the OLED and an initial power source, a first capacitor coupled between the anode electrode of the OLED and a node between the third transistor and the fourth transistor, and a second capacitor coupled between the node and the gate electrode of the first transistor.
US08786586B2 Scanning orders in inversion schemes of displays
Updating an image of a display is provided by scanning rows of sub-pixels of the display by applying voltages to pixel electrodes of adjacent sub-pixels in different lines such that polarity changes in opposite directions can occur in two sub-pixels that are adjacent to a particular sub-pixel. In one example, a positive-polarity voltage can be applied to one sub-pixel that is adjacent to a particular sub-pixel, causing a swing in the polarity of the sub-pixel from negative to positive. A negative-polarity voltage can be applied to another sub-pixel that is adjacent to the particular sub-pixel, swinging the polarity of the pixel electrode from positive to negative. A change in brightness of the particular sub-pixel that may result from a voltage swing one direction in an adjacent sub-pixel may be offset by a change in brightness of the particular sub-pixel that may result from a voltage swing in another adjacent sub-pixel.
US08786585B2 System and method for adjusting display based on detected environment
In one embodiment the present invention includes a method that adjusts a display device according to a display environment. The method includes sensing the display environment of the display device and generating environment data that corresponds to the display environment. The environment data includes color data. The method further includes adjusting a color appearance model according to the color data, generating a control signal according to the color appearance model having been adjusted, and controlling a backlight of the display device according to the control signal. In this manner, a viewer perceives the images displayed by the display device in the manner intended by the content creator, because the adjustments to the color appearance model compensate for the viewer's physiological response to the display environment.
US08786582B2 Display panel and display apparatus
The present invention is to provide a display panel and a display apparatus which can reduce the picture-frame area while sufficiently preventing the delay of signals by allowing a required amount of current to flow. The display panel of the present invention is a display panel which includes a circuit substrate, and an opposed substrate facing the circuit substrate, and which is featured in that the circuit section is arranged in the picture-frame area of the display panel, in that the circuit section includes trunk wiring, and branch wiring connected to the gate electrode or the source electrode of a transistor in the circuit section, and in that all or a part of the trunk wiring is provided on the opposed substrate, and the branch wiring is provided on the circuit substrate so as to be electrically connected to the trunk wiring via a conductor.
US08786580B2 Image display device and transmission signal control method to be used in same
An image display device and a transmission signal control method to be used in same and more particularly to the image display device and the transmission signal control method that can be suitably used when transmission wirings for data signal based on a video signal become complicated due to configurations of a large-sized and high-definition image display device.
US08786575B2 Touch-sensitive device and method
Techniques are generally described for touch-sensitive devices with biometric information determination capabilities. The touch-sensitive device may include one or more of a transmitter, a receiver, and a processor. The transmitter may be configured to emit light towards a surface of the touch-sensitive device and the receiver may be configured to receive reflected light from a touch to the touch-sensitive device. The processor may be arranged to receive signals from the receiver and determines biometric information, and in some examples location of touch, based on the signals.
US08786572B2 Touch position-sensing panel and method
A touch position-sensing panel has electrodes arranged in different directions to form capacitive nodes, where at least one electrode has a corner within the perimeter of the electrode.
US08786562B2 Mobile electronic device, control method, and storage medium storing control program
According to an aspect, a mobile electronic device includes a first housing having a first display unit, a second housing having a second display unit, a form detector, and a control unit. The form detector detects a first form in which the second display unit is covered with the first housing while the first display unit is exposed to the outside and a second form in which the first display unit and the second display unit are exposed to the outside. A control unit cause objects for activating a function to be displayed on the first display unit and on the second display unit in an associated manner in conjunction with a change in form detected by the form detector.
US08786561B2 Disambiguating intentional and incidental contact and motion in multi-touch pointing devices
An input device has both a touch sensor and a position sensor. A computer using data from the input device uses the relative motion of a contact on a touch sensor with respect to motion from a position detector to disambiguate intentional from incidental motion. The input device provides synchronized position sensor and touch sensor data to the computer to permit processing the relative motion and performing other computations on both position sensor and touch sensor data. The input device can encode the magnitude and direction of motion of the position sensor and combines it with the touch sensor data from the same time frame, and output the synchronized data to the computer.
US08786560B1 Method and apparatus for determining a valid sequence of touch events on a touch sensitive device
Certain aspects of the present disclosure relate to a technique for determining a valid sequence of touch events on a touch sensitive device. A first sequence of touch events is received, a proximity between any two touch events of the first sequence of touch events being greater than a proximity threshold. A second sequence of touch events is received. The touch events from the first and the second sequence are combined if a time difference between the first and the second sequence of touch events is below a time threshold and a proximity between the first and the second sequence of touch events is less than the proximity threshold. A valid sequence of touch events is determined if a combined pressure of the first and the second sequence of touch events is greater than a pressure threshold.
US08786559B2 Device, method, and graphical user interface for manipulating tables using multi-contact gestures
An electronic device having a display and a touch-sensitive surface, displays a table having a plurality of rows, a plurality of columns, and a plurality of cells. The device detects a gesture on the touch-sensitive surface that includes movement of one or more of a first contact and a second contact. When the detected gesture is a pinch gesture at a location that corresponds to one or more respective columns in the table and has a component that is perpendicular to the one or more respective columns, the device decreases the width of the one or more respective columns. When the detected gesture is a de-pinch gesture at a location that corresponds to one or more respective columns in the table and has a component that is perpendicular to the one or more respective columns, the device increases the width of the one or more respective columns.
US08786557B2 Display device with touch sensor
A common electrode 43 for display, which is originally provided in a liquid crystal display element, is also used as one (drive electrode) of a pair of electrodes for a touch sensor, and the other (detection-electrode-for-the-sensor 44) of the pair of electrodes is newly formed. An existing common drive signal Vcom as a drive signal for display is used in common for a drive signal for the touch sensor. A capacitance is formed between the common electrode 43 and the detection-electrode-for-the-sensor 44, and touch detection is performed by utilizing a change of this capacitance caused by a finger touch of a user. Thus, a display device with a touch sensor is also applicable to a mobile device in which electric potential of the user is inconstant in many cases. The newly-provided electrode is only the detection-electrode-for-the-sensor 44, and it is unnecessary to newly prepare a drive signal for the touch sensor. Therefore, the configuration is simple.
US08786556B2 Method and apparatus for selecting text information
An apparatus that may include a processor configured to receive a multiple touch input comprising a first touch input relating to a first text position within a first word and a second touch input relating to a second text position, determine a first text selection point positioned outside of a word based at least in part on the first text position, determine a second text selection point positioned outside of a word based at least in part on the second text position, and select text information between the first text selection point and the second text selection point is disclosed. A corresponding method, computer readable medium, and computer program product are also disclosed.
US08786553B2 Navigation pad and method of using same
A handheld electronic device has an outer face in which a user display and a navigation touch pad are located. The touch pad is adapted to provide a user input for controlling at least one function of the electronic device. A plurality of touch sensors are located at predetermined locations about the area of the touch pad and detect touching by a user's finger in order to provide an output control signal. A light source is associated with each touch sensor. A control unit receives input from the touch sensors and activates each light source in turn as the associated touch sensor is touched by a user, so that the user receives visual feedback as they are controlling the device.
US08786552B2 Handheld electronic device and associated method enabling text input in a language employing non-roman characters
A handheld device includes a plurality of input members, a first set of which each have a Roman character assigned thereto, a least some of which have a first non-Roman and a second non-Roman character assigned thereto. In response to an actuation of a first one of the input members, a first one of the non-Roman characters that is assigned to the first one of the input members is displayed. Based on one or more rules which govern permissible character sequences in the subject language, the display of a second one of the non-Roman characters in response to an actuation of a second one of the input members having the second one of the non-Roman characters assigned thereto immediately following the actuation of said first one of the input members is prevented.
US08786548B2 Input device and mobile terminal having the input device
An input device and a mobile terminal having the input device are provided. The input device includes a key button with a transparent material having an internal space, an illumination sensor located in an internal space of the key button to sense ambient illumination of the key button, a light-emitting portion located at one side of the illumination sensor to output a light signal to the outside of the key button for detecting a touch applied to the key button, and an input signal generation unit configured to generate a touch input signal according to the light signal being input to a light-receiving portion of the illumination sensor.
US08786547B2 Effects of gravity on gestures
Techniques involving an effect of gravity on gestures are described. In one or more implementations, the techniques describe gestures that are usable to provide inputs and therefore initiate operations of a computing device, such as a mobile communications device having telephone functionality. The techniques described herein may be employed to reduce an effect of gravity on an input that describes the gesture. A variety of different gestures are contemplated, such as gestures that are recognized as involving acceleration, e.g., acceleration.
US08786546B1 Hands-free electroencephalography display enablement and unlock method and apparatus
A method for activating an operational mode change of a device. The method includes flashing at least one indicator, wherein each of the at least one indicator flashes at a particular initial frequency. The method also includes receiving electroencephalograph (EEG) data from an EEG device of a user. The method further includes recognizing a portion of the received EEG data to substantially match activation EEG data, wherein the activation EEG data corresponds to predicted or recorded EEG data of the user in observance of one of the at least one indicator flashing at the particular initial frequency. The method additionally includes activating an operational mode change for providing power to a display upon recognizing the portion of the received EEG data to substantially match the activation EEG data.
US08786545B2 Cushioned user interface or control device
A user interface or control includes a cushion-type support member and a user input member that is interconnected with and carried by the support member. The support member defines an upwardly facing recess, and the input member may be a user interface or control device that is contained within the upwardly facing recess. The support member may be formed to surround the recess about the user interface or control device. The support member may include an air vent that vents air exhausted from the user interface or control device. The user interface or control device may be a laptop computer having a body including a keyboard contained within the recess, and a screen carried by the body. The user interface or control device may alternatively be an electronic input member having an upwardly facing screen, a convertible input member movably mounted to a mounting member, or a game controller.
US08786540B2 Circuit arrangement and method for driving segmented LED backlights in particular
A circuit arrangement for controlling a segmented LED backlight in particular, comprises a generator (50) with a first input (10) to be supplied with a synchronizing signal (SYNC) that comprises image frequency information and/or line frequency information of a display unit, a second input (20) to be supplied with a data signal (DATA) that comprises image information of the display unit, and with an output (30) for providing a modulated signal (MOD).
US08786538B2 Display device and method for controlling gate pulse
A display device comprises a display panel including data lines and gate lines crossing each other, a data driving circuit configured to convert digital video data into data voltages which are supplied to the data lines, a gate driving circuit configured to sequentially supply gate pulses to the gate lines, wherein a voltage of each of the gate pulses increases from a gate low voltage to a precharging voltage during a first rising time and thereafter increases from the precharging voltage to a gate high voltage during a second rising time, and wherein the voltage of each of the gate pulses decreases from the gate high voltage to the precharging voltage during a first falling time and thereafter decreases from the precharging voltage to the gate low voltage during a second falling time.
US08786536B2 Liquid crystal display having line drivers with reduced need for wide bandwidth switching
A liquid crystal display includes a substrate, a plurality of gate lines formed on the substrate, a plurality of data lines intersecting the gate lines, a plurality of thin film transistors connected to the gate lines and the data lines, a plurality of pixel electrodes connected to the thin film transistors and including a first edge parallel to the gate line and a second edge that is shorter than the first edge and is next to the first edge, and at least two gate drivers connected to mutually exclusive, interlaced subsets of the gate lines. The gate drivers may include the first gate driving circuit and the second gate driving circuit disposed opposite to each other with respect to the substrate.
US08786533B2 Pulse output circuit, shift register and display device
A pulse is input to first and second TFTs to turn ON the first and second TFTs so that the potential of a node a rises. When the potential of the node a reaches (VDD−VthN), the node α enters a floating state. Accordingly, a third TFT then turns ON, and potential of an output node rises as a clock signal reaches the level H. On the other hand, potential of a gate electrode of the third TFT further rises due to an operation of capacitance as the potential of the output node rises, so that the potential of the output node would be higher than (VDD+VthN). Thus, the potential of the output node rises to VDD without voltage drop caused by a threshold of the third TFT.
US08786532B2 Pixel structure and forming method and driving method thereof
A method for driving a pixel electrode disposed on a first substrate operates by providing a voltage corresponding to a displaying data to the pixel electrode and a control electrode, such that the pixel electrode and the control electrode are at a floating connection state; providing a first coupling voltage to a coupling electrode; and coupling a variation of a first coupling voltage to the control electrode via at least one coupling capacitor, such that an absolute value of a voltage difference between the control electrode and a common electrode substantially greater than an absolute value of a voltage difference between the pixel electrode and the common electrode, wherein the common electrode is disposed on a second substrate and the second substrate is corresponding to the first substrate.
US08786530B2 Display device and electronic apparatus
A display device includes: a liquid crystal display panel; and a driver circuit that drives the liquid crystal display panel. The liquid crystal display panel includes a liquid crystal layer, pixel electrodes provided in a region facing the liquid crystal layer and which apply a voltage thereto, and a phase difference layer and a polarizing plate each provided on a side, relative to the liquid crystal layer, which ambient light enters. Each of the pixel electrodes includes a plurality of partial electrodes, and the driver circuit selects one or more partial electrodes from the partial electrodes to which a constant voltage is to be applied in accordance with an image signal. The constant voltage causes the liquid crystal display panel to be in a white state. The driver circuit performs gray-scale display by modulating lighting area of each pixel at a frame rate of less than 60 Hz.
US08786527B2 Method of driving display device, display device, and electronic appliance
The present invention is a method of driving a display device including a transistor, a capacitor one electrode of which is electrically connected to a first terminal of the transistor and the other electrode of which is electrically connected to a gate of the transistor, and a display element a first electrode of which is electrically connected to a second terminal of the transistor, including the steps of: electrically connecting the gate of the transistor, the first terminal of the transistor, and both electrodes of the capacitor to a first line in a first period; electrically connecting the gate of the transistor and the other electrode of the capacitor to a second line in a second period; and electrically connecting the first terminal of the transistor and one electrode of the capacitor to a third line in a third period.
US08786525B2 Light emitting device, drive control method thereof, and electronic device
The light emitting device comprises at least one data line, at least one pixel, a common electrode, a data driver and an ammeter,The pixel comprises a pixel drive circuit and a light emitting element, in which the pixel drive circuit includes a first transistor electrically connected to the data line and one end of the light emitting element, and the other end of the light emitting element is connected to the common electrode.The ammeter measures the current value of a detection current flowing from the data driver to the ammeter via the data line, the first transistor, the light emitting element of the pixel, and the common electrode when the data driver applies to the data line a first set voltage having such a potential that applies a forward bias voltage between both ends of the light emitting element via the first transistor.
US08786523B2 Display device, display data processing device, and display data processing method
A display device includes: an extraction unit extracting an edge component of a display data signal; an adder unit adding an edge component to the display data signal; a signal generation unit generating a control signal in accordance with the display data signal and an output signal of the adder unit; a correction unit carrying out correction processing on the edge component in accordance with the control signal and outputting the corrected edge component to the adder unit; and a display unit carrying out a display operation in accordance with the output signal of the adder unit.
US08786522B2 Display device and driving method thereof
A display device includes a scan driver transmitting a plurality of scan signals to a plurality of scan lines, a data driver transmitting a plurality of data signals to a plurality of data lines, a display unit including a plurality of pixels connected to corresponding scan lines and corresponding data lines, and respectively receiving the corresponding data signal when the plurality of pixels are selected with the corresponding scan signal, and a timing controller controlling the scan driver and the data driver, dividing one frame period into a first viewpoint image display period, a second viewpoint image display period, and a black image display period, and generating image data signals corresponding to the first viewpoint image display period, the second viewpoint image display period, and the black image display period, and supplying the respective image data signals to the data driver, wherein the black image display period is shorter than the first viewpoint image display period and the second viewpoint image display period, and the image data signal corresponding to the black image display period is a black image data signal controlling the plurality of pixels not to emit light.
US08786518B2 Display device
According to an aspect, a display device includes a first display unit, a second display unit, a first detecting unit, a second detecting unit, and a control unit. The first display unit three-dimensionally displays a first display object in a first space. The second display unit three-dimensionally displays a second display object associated with the first display object in a second space. The first detecting unit detects a move of a first object in the first space. The second detecting unit detects a move of a second object in the second space. The control unit changes the first display object and the second display object according to a first move of the first object in the first space.
US08786517B2 System and method for displaying a user interface across multiple electronic devices
A system and method are provided for displaying a user interface using multiple electronic devices. The method comprises providing a first user interface framework on a first electronic device having a first display screen; the first user interface framework determining that a second display screen on a second electronic device is available via a connection between the first and second electronic devices; the first user interface framework using application logic from an application on the first mobile device to determine a first user interface portion to be displayed on the first display screen and a second user interface portion to be displayed on the second display screen; and the first user interface framework providing data associated with the second user interface portion to the second electronic device.
US08786514B2 System and method for payload enclosure
A cylindrical-shaped enclosure having tapered ends. The enclosure includes a module having a radio disposed on a printed circuit board and an antenna connected to the PCB. The enclosure has a main piece coupled to a lower piece and to a top piece, an optionally a fourth piece coupled to the top piece. A mounting subsystem is mounted to the main piece and includes a hole configured to receive therethrough a wires that connect to the printed circuit board. The antenna is configured to rotate about an axis that extends along a longest dimension of the enclosure. The module includes a metal plate to which the antenna is directly mechanically and electrically coupled without any cable such that the wires lack any control signals for controlling the antenna. The top and/or lower pieces can house any combination of a camera, an environmental sensor, security equipment, or a lighting system.
US08786511B1 Impact resistant UHF SATCOM antennas
Antennas for transmitting and receiving circularly polarized UHF SATCOM radio signals include a mast which has four circumferentially spaced apart element mounts that protrude radially from the mast, each having a mechanical coupling mechanism holding an electrically conductive tubular antenna element disposed radially from the mast for use and parallel to the mast to minimize the envelope size of the antenna when not in use. Replaceable elements in one version of the antenna have a threaded stud threadably receivable in a threaded socket on the element mount. Each element of a foldable version of the antenna has a tapered support peg which is insertably receivable in a tapered socket in a boss on the element mount and releasably held therewithin by a tensioning spring within the element. Optionally, a fifth conductive element is disposed longitudinally within the mast to transmit and receive linearly polarized radio signals.
US08786509B2 Multi polarization conformal channel monopole antenna
A conformal channel monopole antenna system includes: a housing; a cavity formed within the housing; and a substrate covering the cavity. The substrate includes a first elongated radiating element coupled to two opposing sides of the top surface of the housing at two opposing ends in a first direction; a second elongated radiating element coupled another two opposing sides of the top surface of the housing at two opposing ends in a second direction orthogonal to the first direction; a first feed port at one end of the first elongated radiating element; and a second feed port at one end of the second elongated radiating element. The first elongated radiating element is configured to radiate a first type of polarization and the second elongated radiating element is configured to radiate a second type of polarization simultaneously with the first type of polarization.
US08786505B2 Antenna alignment fixture
An alignment apparatus configured to be mounted to a radar array antenna having a generally planar face for aligning the antenna includes a rigid frame defining a plane generally parallel to the face of the antenna when the rigid frame is mounted to the antenna. A flexible member is associated with the rigid frame and is configured to flex relative to the rigid frame. The apparatus further includes an optical source for emitting a light beam and a target. One of the optical source and the target is associated with the flexible member and the other of the optical source and the target is associated with the rigid frame. A distance between the path of the light beam and the target is indicative of the degree of misalignment between the flexible member and the rigid frame.
US08786502B2 Electromagnetic anechoic chamber
An electromagnetic anechoic chamber includes an anechoic chamber, an adjusting apparatus, and an antenna device. The anechoic chamber includes a bottom wall defining a rectangular receiving space, and a shielding plate supported on a bottom wall. The adjusting apparatus is received in the receiving space and includes a supporting bracket, two adjusting pulleys respectively installed to two opposite ends of the supporting bracket, and a transmission belt wrapping around the adjusting pulleys. The antenna device includes a base slidably supported on the supporting bracket and an adjusting pole perpendicularly extending up from the base. The adjusting pole extends through the transmission belt and the shielding plate. A motor drives one of the adjusting pulleys to rotate, the transmission belt is moved through the adjusting pulley to move the antenna device.
US08786497B2 High isolation multiband MIMO antenna system
The high isolation multiband MIMO antenna system is a multi-band dual and quad antenna for multiple-input-multiple-output (MIMO) antenna systems. Element and ground plane geometries that can cover a wide range of frequency bands (780 MHz-5850 MHz) are based on the varying some simple geometrical lengths and widths of the elements and ground planes. The MIMO antenna systems can be used for next generation cellular and wireless MIMO communication systems. Several isolation enhancement schemes increase the isolation between adjacent antenna elements. Any combination of the isolation and MIMO antenna system geometries can be created to support different wireless system standards. The novel MIMO antenna systems are disposed within a dielectric substrate area of 50×100 mm2.
US08786494B2 Method to modify calibration data used to locate a mobile unit
A method of modifying calibration data used to geo-locate a mobile station located in an indoor environment is disclosed. When a mobile station is located indoors, the signal strength of signals received and/or transmitted by the mobile station have the tendency to be lower than the strength of the signals received by a mobile station located outdoors. As a result of these lower signal strengths, geo-location efforts which rely on signal strengths may result in unsatisfactory location accuracy. Modifying pre-existing calibration data obtained outdoors may provide a way to simulate indoor calibration data characteristics.
US08786493B2 Antenna system with a beam with an adjustable tilt
An antenna system with a beam with an adjustable tilt, including: a transceiver (TRX) array module, an antenna element array module, a feeding network module and a Butler matrix module, is provided. The TRX array module includes multiple active TRX submodules and is configured to generate transmission signals that have undergone digital beam forming. The antenna element array module includes multiple antenna elements and is configured to transmit the transmission signals. The feeding network module is configured to form a vertical beam characteristic of the antenna element array module before the antenna element array module transmits the transmission signals. The Butler matrix module is configured to form a horizontal beam characteristic of the antenna element array module before the antenna element array module transmits the transmission signals. The antenna system reduces the feeder loss, reduces the labor and equipment costs, and enables the vertical and horizontal beam characteristics of the antenna to be adjusted more conveniently.
US08786491B2 Methods and apparatuses for requesting/providing assistance data associated with various satellite positioning systems in wireless communication networks
Methods and apparatuses are provided for use by devices within in wireless communication network to request and/or provide assistance data and/or other like data associated with various Satellite Positioning Systems (SPSs).
US08786489B2 Active target with height diversity
An active radar target includes several receive antennas and several transmit antennas that are arrangeable into pairs of antennas. Each pair includes a transmit and a receive antenna. At least one antenna in a pair is at a different height relative to at least one other antenna in a different pair of antennas.
US08786488B2 System and method for microwave ranging to a target in presence of clutter and multi-path effects
A system for measuring the range to an RFID tag including situations containing high clutter and multi-path signals is disclosed. The system includes an RFID reader; an RFID tag; and a coordinated pulse compression radar system. In the system the RFID reader causes the tag to respond to received signals in a first backscatter state at a first time and a second backscatter state at a second time. The pulse compression radar system transmits short pulses coordinated by the backscatter state of the RFID tag and the system creates a differential signal comprised of the differences between radar signals obtained during the first and second states of the tag to obtain an uncorrupted measure of a round trip time of flight of said radar pulses between the pulse radar system and the RFID tag.
US08786487B2 Radar with wide angular coverage, notably for the obstacle avoidance function on board auto-piloted aircraft
A radar includes a transmitting antenna and receiving antenna formed by an array of radiant elements. Antenna beams are calculated in P directions by a BFC function. Detections of a target by secondary lobes of the beams are processed by an algorithm comparing levels received in a distance-speed resolution cell, a single detection at most not being possible for each distance-speed resolution cell. Processing means use the assumption that there may probably be more than one echo with a signal-to-noise ratio that is sufficient to be detectable, for a given resolution cell of the radar, either in speed mode or in distance mode, or, alternatively, a distance-speed depending on the processing implemented; and, if there is more than one echo detectable for each resolution cell out of the plurality of beams formed by BFC, only the echo and BFC that obtain maximum power or maximum signal-to-noise ratio are/is considered valid.
US08786484B2 Analogue to digital converter, an integrated circuit and medical device
An analogue to digital converter includes a first input connection to receive a first part of the analogue input signal, a second input connection to receive a second part of the analogue input signal, a first and second plurality of capacitors, each capacitor of the first plurality of capacitors forms a capacitor pair with a corresponding capacitor in the second plurality of capacitors During a sampling period, the first input connection couples the first part of the analogue input signal to a first contact of each capacitor of the first plurality of capacitors and the second input connection couples the second part of the analogue input signal to a first contact of each capacitor of the second plurality of capacitors. Further, a switching array couples a second contact of each capacitor of the first and second plurality of capacitors to a common mode voltage to determine a first bit of a digital output signal.
US08786482B1 Integrated circuit with pin for setting digital address
In one embodiment, an integrated circuit includes a pin and a current source for driving current through the pin into an external resistor such as a resistor on a circuit board to generate a pin voltage. The integrated circuit includes an analog-to-digital converter for converting the pin voltage into a digital value, such as an address for the integrated circuit.
US08786479B2 Digital analog converter circuit, digital driver and display device
Reference voltages of a reference voltage ensemble are classed into first to (z×S+1)th reference voltage groups, where S is a power of 2 inclusive of 1 and z is a power of 2 plus 1. A decoder includes first to (z×S+1)th sub-decoders provided in association with the first to (z×S+1)th reference voltage groups, and a (z×S+1) input and 2 output type sub-decoder. The first to (z×S+1)th sub-decoders select, from the reference voltage of the first to the (z×S+1)th reference voltage groups, those reference voltages allocated to columns in a two-dimensional array of the reference voltages associated with the values of a first bit group of an input digital signal. The (z×S+1) input and 2 output sub-decoder receives outputs of the first to (z×S+1)th sub-decoders to select the first and second voltages from the reference voltages selected by the first to (z×S+1)th sub-decoders in response to the value of a second bit group of the input digital signal. An interpolation circuit receives the first and second voltages, selected by the decoder, to output a voltage level obtained on interpolation with an interpolation ratio of 1:1 (FIG. 1).
US08786478B1 Circuit for implementing a continuous-time deglitching technique for digital analog converters
A processor and a circuit implementing a continuous-time deglitching technique for a digital-to-analog converter are disclosed. The circuit includes a digital-to-analog converter having a differential current output, an operational amplifier having an inverting input coupled to a first output of the differential current output and a non-inverting input coupled to a second output of the differential current output, and a transistor coupled to the second output and the output of the operational amplifier. The operational amplifier is configured to operate the transistor to adjust the voltage potential of the second output to substantially match the voltage potential of the first output.
US08786475B2 Input configuration for analog to digital converter
A circuit includes an input, two or more sampling capacitors each in a different channel, means for connecting each sampling capacitor to the input, means for discharging the sampling capacitors to a given voltage in a reset phase, and means to use the voltage across the sampling capacitor for further processing in a hold phase. The two sampling capacitors operate in anti-phase such that the reset phase and sampling phase of one channel are performed in the time period the other channel is in the hold phase.
US08786473B2 Systems and methods for sharing compression histories between multiple devices
Systems and methods of storing previously transmitted data and using it to reduce bandwidth usage and accelerate future communications are described. By using algorithms to identify long compression history matches, a network device may improve compression efficiently and speed. A network device may also use application specific parsing to improve the length and number of compression history matches. Further, by sharing compression histories and compression history indexes across multiple devices, devices can utilize data previously transmitted to other devices to compress network traffic. Any combination of the systems and methods may be used to efficiently find long matches to stored data, synchronize the storage of previously sent data, and share previously sent data among one or more other devices.
US08786472B1 Low complexity non-integer adaptive sample rate conversion
Generally described herein are methods and systems for sample rate conversion of non-integer and integer factors. In one or more embodiments an apparatus can include a sample rate converter that can include an input configured to receive an input signal with a first frequency and an output configured to provide an output signal with a second frequency different from the first frequency. The sample rate converter can include a filter coefficient lookup table and a numerically controlled oscillator configured to provide filter coefficients from the filter coefficient lookup table at a rate that is a function of the first frequency and the second frequency. The sample rate converter can include a multiplier configured to produce an output that is the product of a filter coefficient of the filter coefficients from the numerically controlled oscillator and a sample of an input signal and an accumulator configured to sum an output of the multiplier and provide a result of the summation when the accumulator receives an indicator to dump the result.
US08786469B2 Method and system for saving and retrieving spatial related information
The present invention is directed to a method and apparatus for storing, referencing, retrieving, and graphically displaying spatial and non-spatial related information of a mobile computing device, such as a laptop computer or a cellular telephone. The spatial-related information may be obtained by using positioning tracking systems such as a global positioning system, whereas the non-spatial related information may include communication activities associated with the mobile computing device, such as phone calls, e-mails, text messages, pages, etc. The present invention also provides methods and apparatus of sharing event information between mobile communication devices as well as related navigational information for traveling to an event from a real-time position of a mobile communication device.
US08786463B2 Fixed network for an automatic utility meter reading system
A fixed network for automatically reading a utility meter system has been developed. The network includes multiple meter interface units (MIUs) that each collect data from a designated utility meter. The collected data is transmitted to a primary data collector. The network includes multiple data collectors and each MIU identifies its own primary data collector based on signal quality between the collector and the MIU. The network includes a central host computer that is used to receive the collected data from the primary data collectors.
US08786461B1 Electric road flare
A deployment pack containing a number of electric road flares is provided. The pack is attached to an emergency vehicle. The pack is adapted to deploy a single flare at a time. Each flare includes two, battery-operated, light emitting diodes (LEDs), pulsed at a predetermined rate. Each LED is placed adjacent reflective material to extend or direct the light pulsing from the LED. The pack provides battery charging means to each electric road flare while contained in the pack interior. The pack also provides means for activating each flare before it is deployed from the pack. Each flare contains two metallic roads providing means for flare retrieval by a magnetic pick-up tool.
US08786458B1 Browser-based alerting system
Disclosed herein are methods and systems for displaying alerts in a web browser. An alert repeater is configured to receive an alert from an alert provider. A geographical determiner is configured to determine an effective geographical area for the alert. The alert repeater sends the alert over a browser update communication channel to an alert receiver in a web browser within effective geographical area. The alert receiver then displays the alert in the web browser.
US08786456B2 Positional locating system and method
A method and system are disclosed for locating or otherwise generating positional information for an object, such as but not limited generating positional coordinates for an object attached to an athlete engaging in an athletic event. The positional coordinates may be processed with other telemetry and biometrical information to provide real-time performance metrics while the athlete engages in the athletic event.
US08786450B2 Method for identifying dirt and/or dew on components of a voltage intermediate circuit converter
The invention relates to a method for identifying dirt and/or dew on components of a voltage intermediate circuit converter. According to the invention, the temporal curve of a partial discharge pulsed current is detected at least during a precharging process of an intermediate circuit capacitor of the voltage intermediate circuit converter comprising at least one capacitor, wherein a frequency spectrum is calculated from said current pulse, and wherein depending of the result, a dirt warning and/or a dew warning is activated. Thus, the degree of dirt and/or dew of said voltage intermediate circuit converter can be determined at least during a charging process of an intermediate circuit capacitor of a voltage intermediate circuit converter, thereby preventing a breakdown including the consequences thereof.
US08786446B2 Position tracking apparatus for training animal
Disclosed is a position tracking apparatus for training an animal. When transmission data including an identification code of a training device is transmitted to a GPS device after the GPS device and the training device are attached to an animal, the GPS device receives the transmission data of the training device and transfers the received transmission data to the training device. Accordingly, it is possible to train the animal to desirably act through an operation of the training device attached to the animal even though the animal is far away from the master when the animal acts with undesirable behavior.
US08786445B2 Fish ID
A device for identifying marine species. The device allows the fisherman to quickly identify what specie has been caught, its legal size and the amount of that specific specie that can be collected for recreational or commercial purposes, all this while the specie is still alive, allowing enough time to the fisherman to keep or return to the water the specie that has just been caught.
US08786443B2 RFID tag for direct and indirect food contact
The present invention relates to an RFID device that is intended to be used in connection with direct or indirect packaging of consumer food products, such as with the use of food trays, totes and other transport packaging for perishable items. The RFID device may include a RFID inlay assembly that has been encased in a laminate that is safe for use with food products.
US08786435B2 Security system including wireless self-energizing switch
A wireless security system includes a power supply and a security device in selective electrical communication with the power supply. The security device provides a security response when electrically connected with the power supply. A receiver is electrically connected between the power supply and the security device and is operable to selectively electrically connect the security device with the power supply. At least one self-energizing switch of the system includes a wireless transmitter and an energy harvester that is operable to power the wireless transmitter. The wireless transmitter emits a signal to the receiver in response to power from the energy harvester, to trigger the security response.
US08786433B2 Reporting and managing incidents
Various embodiments of systems and methods for reporting and managing incidents are described herein. In one aspect, the method includes identifying a user logged into an incident reporting and alerting portal. A category for the logged-in user is identified. The category includes one of a reporter, a volunteer, and a responder. An incident report is received from the reporter. It is determined whether a comment is received on the incident report from the responder. When the comment is received, the comment is notified to the reporter. It is determined whether a reply to the comment is received from the reporter. When the reply to the comment is received, the reply is notified to the responder who commented on the incident report.
US08786429B2 Hygiene monitoring and management system and method
A Real Time Locating System (RTLS) hygiene management and monitoring system for individuals and companies to manage and monitor the hygiene of their surroundings. In some embodiments of the invention, RTLS is used to monitor and manage cleanliness of rooms and surfaces and the location of cleaning supplies and cleaning personnel. The invention provides improved efficiency and quality of hygiene services. For instance, the invention can enable prioritization of cleaning, improve efficient use of cleaning supplies and cleaning personnel, track short and long term cleaning operations, and provide insight into ineffective cleaning.
US08786420B2 Drive recorder
A drive recorder of the invention includes a trigger judgment circuit that calculates, with respect to acceleration data of a vehicle, first and second moving averages as moving averages of two different time series, and that generates a trigger signal according to a result of comparing a differential value of the first and second moving averages or an absolute value of the differential value with a predetermined threshold value.
US08786418B2 Ambient lighting to reflect changes in vehicle operating parameters
An interior lighting system that responds to changes in vehicle operating parameters, such as fuel economy, electric power consumption and battery recharging, by changing color of interior lighting. The system includes an engine vacuum sensor associated with the internal combustion engine and, when used on a hybrid vehicle, a motor power draw sensor associated with the vehicle's electric motor and a battery recharging sensor associated with the vehicle's storage battery. An array of color-changing ambient interior lights is provided and is operatively associated with the vehicle system controller. The sensors measure specific changes in driving parameters and send signals to the vehicle system controller for further processing. The vehicle system controller then interprets the received information to identify any changes in operating parameters (fuel consumption, electric power consumption, storage battery recharging), and signals one or more of the ambient lights to change colors and thereby signal the driver (or other occupant) as to a change in operating parameters.
US08786411B1 Remote control programming system
A method and apparatus for programming a remote control is provided. Control data that identifies one or more mode codes is stored in a computing device that is operationally connected to a detector. A user presses a button on a source remote control to cause an input signal to be transmitted from the source remote control to be received by the detector. The detector decodes the input signal, and consults the control data to determine a particular IR code that is associated with the source remote control. The computing device may then display information identifying a particular mode code on a display to allow the user to manually program a target remote control with the particular mode code. Alternately, the computing device may transmit the particular mode code to the target remote control to allow the target remote control to automatically configure itself with the particular mode code.
US08786407B2 Universal and reusable RFID system and method for use in supply chain and logistics management
An universal and reusable RFID system comprises an universal and reusable RFID reader, an universal and reusable RFID data carrier, a universal and reusable RFID neutral tag, a RFID neutral tag equipped collapsible and reusable pallet and a RFID neutral tag equipped collapsible and reusable box. In various embodiments, the universal and reusable RFID system is used for data collection, data comparison, data confirmation and data combination under all conditions in the supply chain and logistics management. A “bank-like” system is further used for all components of the universal and reusable RFID system to be efficiently supplied for use and collected for further application.
US08786405B2 Privacy method, device and computer program
The present invention relates to a privacy method for responding to read request. The present invention further relates to a device for generating a response signal and a computer program product. Methods and systems in accordance with embodiments of the invention validate, whether a read request is directed at a target tag to be protected, and, upon a match, respond to the read request by sending a response signal.
US08786401B2 Extendable flush door handle for vehicle
An extendable flush door handle assembly for a door or liftgate of a vehicle includes a base portion and a handle portion movably attached to the base portion. The handle portion is movable between a recessed position, where the handle portion is at least partially received in the base portion, and a partially extended position, where the handle portion extends partially outward from the base portion and is graspable by a user. The handle portion is moved from the recessed position to the partially extended position responsive to a trigger, such as a signal from a key fob or a passive entry system or a vehicle door unlock button or the like. The handle portion, when in its recessed position, is at least partially received in the base portion so as to be not readily graspable by a user until the handle portion is moved toward its partially extended position.
US08786398B2 Dispenser with use-based content delivery
A dispenser with use-based content delivery includes an indicator to present audio and/or video content that is delivered from a remote computer via a wired or wireless network. In addition, the dispenser is configured to monitor various operation parameters associated with the dispenser, as well as the physical attributes of its users. The dispenser uses such data to select informational content that targets the needs of each specific user, so as to communicate informational content in a highly-effective manner.
US08786396B2 Heater design for heat-trimmed thin film resistors
A heater design for post-process trimming of thin-film transistors is described. The heater incorporates low sheet-resistance material deposited in non-active connecting regions of the heater to reduce heat generation and power consumption in areas distant from active heating members of the heater. The heating members are proximal to a thin-film resistor. The resistance of the thin-film resistor can be trimmed permanently to a desired value by applying short current pulses to the heater. Optimization of a heater design is described. Trimming currents can be as low as 20 mA.
US08786395B2 Method for making magnetic components with M-phase coupling, and related inductor structures
An M phase coupled inductor includes a magnetic core including a first end magnetic element, a second end magnetic element, and M legs disposed between and connecting the first and second end magnetic elements. M is an integer greater than one. The coupled inductor further includes M windings, where each winding has a substantially rectangular cross section. Each one of the M windings is at least partially wound about a respective leg.
US08786393B1 Step up or step down micro-transformer with tight magnetic coupling
A system and method for manufacturing of a micro-transformer providing direct electrical isolation between a primary winding and a secondary winding while featuring tight magnetic coupling for a large possible step-up or step-down ratio. The micro-transformer may be implemented in an integrated circuit, and may include a magnetic core. A high stepping ratio, e.g. approximately 50 to 100, may be achieved by connecting multiple symmetric primary windings in parallel and multiple symmetric secondary windings in series, or vice-versa. A plurality of windings may be stacked vertically. The micro-transformer may be of particular utility in wireless sensor networks, thermal and vibrational energy harvesters, power converters, and signal isolators.
US08786389B1 Magnetostrictive resonant energy converter
A resonant energy conversion apparatus may utilize magnetostrictive properties of a toroidal magnet. Electrical current induces periodic, complementary magnetic fields around separate quadrants of a toroidal magnet. The periodic, complementary magnetic fields induce mechanical changes in the toroidal magnet due to magnetostriction, causing mechanical stress in the toroidal magnet. Energy is stored as mechanical stress, and later released as electrical current.
US08786387B2 Magnetic actuator
A magnetic actuator includes a coil bobbin that has electrical wire wound around a core. The magnetic actuator also includes a plunger located in a central portion of the magnetic actuator and configured to move within a bore located in the central portion, and at least one spring located adjacent the central portion. When electrical current is provided to the electrical wire, an electromagnetic field causes the plunger to move from a first position to a second position, and stored energy associated with the spring aids in moving the plunger to the second position. The magnetic actuator further includes a linking portion coupled to the plunger, wherein the linking portion is configured to initiate an action based on movement of the plunger.
US08786386B2 Meter disconnect relay
In one aspect, a modular meter disconnect relay is described. One embodiment of the relay is comprised of a base; a solenoid situated within the base, wherein the base maintains a portion of the solenoid stationary and allows a plunger of the solenoid to move within the base; a shuttle, wherein the shuttle is operably connected to and moved by the plunger of the solenoid and wherein the shuttle can be moved within the base; and, one or more disconnect switches that are opened or closed by movement of the shuttle, wherein the solenoid comprises a solenoid body, a spring and a magnet, wherein the spring is used to provide additional force to the plunger when moving out of the solenoid body and the magnet is used to latch the plunger when the plunger is forced to within close proximity of the magnet within the solenoid body.
US08786385B1 Rotary joint for radio frequency electromagnetic waves and light waves
One embodiment of an axial rotary joint having rotary transmission lines for the bi-directional propagation of radio frequency electromagnetic waves and light waves across a rotary interface. Each section is capable of fully independent rotation about a common longitudinal axis. The radio frequency rotary transmission line comprises waveguide tubing at each end that transitions to a coax transmission line at the rotary interface. The waveguide tubing also functions as the axial support structure. The second transmission line for light wave propagation is fully integrated into the waveguide-to-coax transition and the inner coaxial conductor, and uses optical coupling devices to form an optical coupling path across the rotary interface. This embodiment of the rotary joint can be sealed and pressurized to minimize contamination of the optics and to increase the electromagnetic wave power handling. The second transmission line in another embodiment is a combined millimeter wave and optical transmission line supporting simultaneous millimeter wave and light wave propagation across the rotary interface. Combining and decombining filters incorporated into the physical rotary transmission lines in other embodiments create a multitude of channels on various frequencies and wavelengths, greatly increasing the usefulness of the device.
US08786384B2 Self-matched band reject filter
The present application describes a radio frequency band reject filter including an input port, an output port, a plurality of acoustic resonators and an inductor for matching the impedance of the plurality of acoustic resonators. The inductor is positioned within the band reject filter in respect of the plurality of acoustic resonators such that a static capacitance between the input port and the inductor is substantially equivalent to a static capacitance between the output port and the inductor. The plurality of acoustic resonators may be a plurality of parallel resonators, a plurality of series resonators or a combination of series and parallel resonators. The radio frequency band reject filter is fabricated using any of surface acoustic wave (SAW) technology, thin film bulk acoustic resonator (FBAR) technology, and bulk acoustic wave (BAW) technology.
US08786371B2 Apparatus and methods for voltage converters
Apparatus and methods for voltage converters are provided. In one embodiment, a voltage conversion system includes a bypass circuit and a voltage converter including an inductor and a plurality of switches configured to control a current through the inductor. The bypass circuit includes a first p-type field effect transistor (PFET), a second PFET, a first n-type field effect transistor (NFET), and a second NFET. The first and second NFET transistors and the first and second PFET transistors are electrically connected between a first end and a second end of the inductor such that a source of the first PFET transistor and a drain of the first NFET transistor are electrically connected to the first end of the inductor and such that a drain of the second PFET transistor and a source of the second NFET transistor are electrically connected to the second end of the inductor.
US08786370B2 Power supply control circuit
A power supply control circuit includes a mode controlling unit which, in accordance with an output voltage of an amplifying section, performs a mode up for switching a current power supply voltage of the amplifying section to a higher power supply voltage being higher than the current power supply voltage, and which, in a case where a magnitude of the output voltage of the amplifying section is smaller than a threshold voltage for a predetermined time period or longer, performs a mode down for switching the power supply voltage of the amplifying section to a lower power supply voltage being lower than the current power supply voltage, and a threshold setting unit which sets the threshold voltage based on the output voltage of the amplifying section at a timing when the mode up is performed.
US08786369B2 High frequency amplifier
According to one embodiment, a high frequency amplifier having a division circuit, FET cells, a stabilization circuit and a combination circuit is provided. The division circuit divides an input signal to produce a plurality of signals. The FET cells amplify the signals produced by the division circuit. The stabilization circuit provided with RC parallel-connected circuits which are respectively connected in series between the division circuit and gates of the FET cells. Each of the RC parallel-connected circuits has a capacitor and a resistor connected in parallel with each other. The combination circuit combines the signals amplified by the FET cells.
US08786368B2 Distributed amplifier with improved stabilization
A distributed amplifier with improved stabilization includes an input transmission circuit, an output transmission circuit, at least one cascode amplifier coupled between said input and output transmission circuits. Each cascode amplifier includes a common-gate configured transistor coupled to the output transmission circuit, and a common-source configured transistor coupled between the input transmission circuit and the common-gate configured transistor. The distributed amplifier also includes a non-parasitic resistance and capacitance coupled in series between a drain and a gate of at least one of the common-gate configured transistors for increasing the amplifier stability.
US08786367B2 Voltage controlling circuit
A voltage clamping module is disposed at an output terminal of a gain amplifying module, so that a voltage level of an amplifying signal outputted by the gain amplifying module can be clamped within a predetermined range. The voltage clamping module includes an upper bound voltage clamping module, which is utilized for limiting the voltage level of the amplifying signal to be lower than an upper bound voltage level, and a lower bound voltage clamping module, which is utilized for limiting the voltage level of the amplifying signal to be higher than a lower bound voltage level.
US08786364B2 Gain enhancement for cascode structure
Aspects of the present invention provide apparatuses and methods to provide significant gain enhancement for a cascode structure for a differential amplifier. The cascode structure of the differential amplifier can include first and second pairs of output transistors. The second pair of output transistors can be configured to approximately cancel modulation effects of the first pair of output transistors induced by changes in a differential output of differential amplifier, thereby resulting in conditions for providing enhanced gain.
US08786362B1 Schottky diode having current leakage protection structure and current leakage protecting method of the same
A Schottky diode having a current leakage protection structure includes a Schottky diode unit, a first isolation portion and a second isolation portion. The Schottky diode unit is defined in a substrate and includes a metalized anode, an active region having dopants of first conductive type, a cathode and at least one isolation structure. The first isolation portion having dopants of second conductive type is formed between substrate and active region, and the first isolation portion includes a first well disposed beneath active region, and a first guard ring surrounding active region and connecting to the first well. The second isolation portion having dopants of first conductive type is formed between substrate and the first isolation portion, and the second isolation portion includes a second well disposed beneath the first well, and a second guard ring surrounding the first guard ring and connecting to the second well.
US08786361B1 High accuracy analog interface processing circuit
An analog interface processing circuit includes a first and second signal processing interface, a processing system connected to the first and second signal processing interfaces, a biasing voltage source switchably coupled to said first signal processing interface via a first switch assembly and switchably coupled to said second signal processing interface via a second switch assembly, and a first control output of said processing system controllably coupled to said first switch assembly and a second control output of said processing system controllably couple to said second switch assembly.
US08786360B2 Circuit and method for fast switching of a current mirror with large MOSFET size
The present invention discloses a fast switching current mirror circuit and method for generating fast switching current. The circuit and method for fast switching of a current mirror with large MOSFET size will save space and current consumption.
US08786353B2 Multi-channel semiconductor device and display device comprising same
A multi-channel semiconductor device comprises a plurality of buffer groups each comprising at least one output buffer, a plurality of pad groups each comprising at least one output pad, and a channel switching portion that controls connection between the plurality of buffer groups and the plurality of pad groups. One of the pad groups outputs an output signal of one of the buffer groups in a first operation mode and sequentially outputs output signals of all of the buffer groups in a second operation mode.
US08786349B2 Semiconductor device, electronic device having the same, and driving method of the same
A digital circuit which can operate normally regardless of binary potentials of an input signal is provided. A semiconductor device comprising a correcting unit and one or a plurality of circuit elements, the correcting unit including a first capacitor, a second capacitor, a first switch, and a second switch, wherein the first electrode of the first capacitor is connected to an input terminal, the supply of a first potential to the second electrode of the first capacitor is controlled by the first switch, the supply of a second potential to the second electrode of the second capacitor is controlled by the second switch, and a potential of the second electrode of the first capacitor or a potential of the second electrode of the second capacitor is supplied to the one or the plurality of circuit elements.
US08786346B2 Phase interpolator and method of phase interpolation with reduced phase error
An exemplary phase interpolator includes a first to a fourth differential pair. Each of the differential pairs includes a first and a second transistor and a stabilizing capacitor connected between a source coupled node and a reference voltage. The phase interpolator also includes a plurality of current sources and a group of switches to switch connections between the source coupled nodes of the differential pairs and the current sources so that (i) a first operating current is supplied to a first selected one of the first and second differential pairs and (ii) a second operating current is supplied to a second selected one of the third and fourth differential pairs. Drains of the first transistors in the differential pairs are commonly connected and drains of the second transistors in the differential pairs are commonly connected to form a first and a second output node so that a differential output signal is output.
US08786341B1 Frequency synthesizer with hit-less transitions between frequency- and phase-locked modes
A digital frequency synthesizer provides absolute phase lock and shorter settling time through the use of a digital filter with a phase and frequency path. Control logic control disables the frequency path during the frequency acquisition and sets a wide bandwidth. After frequency acquisition, a counter with digital phase information is reset using the input clock signal to bring the output phase closer to lock with the input signal and the control logic enables the phase path in the digital loop filter to achieve phase lock with a narrower bandwidth than the initial bandwidth.
US08786338B2 Delay locked loop
A method for providing a plurality of narrow pulses is provided. A first pulse having a first width is received by a delay line having a plurality of delay cells. This first pulse has a first width. In response to this first pulse, a plurality of second pulses is generated by the delay line, where each second pulse has a second width that is less than the first width. First and second delay pulses are also generated by the delay line, and a delay for each delay cell in the delay line can then be adjusted if a rising edge of the second delay pulse is misaligned with a falling edge of the first delay pulse.
US08786335B2 Spread-spectrum clock generator
A spread-spectrum clock generator includes a frequency comparator, for generating a compensation signal according to a reference signal and a frequency signal corresponding to an output frequency signal; a triangle-wave generator, for generating a triangle-wave signal according to a frequency control signal; an adder, coupled between the triangle-wave generator and the frequency comparator, for adding the compensation signal to the triangle-wave signal to generate an addition result; and a frequency synthesizer, coupled between the frequency comparator and the adder, for generating the output frequency signal to adjust the output frequency signal according to the addition result so as to reduce a shift of the output frequency signal.
US08786334B2 Lock detection circuit and phase-locked loop circuit including the same
A phase-locked loop circuit including a lock detector is provided comprising a delay circuit including a load capacitor, and a bias circuit configured to generate a constant reference current, wherein the load capacitor is charged or discharged with a current whose level is dependent upon the reference current.
US08786333B2 Phase calibration device and phase calibration method
A phase calibration device comprises: an oscillator for generating a reference clock; a phase-lock-loop for generating an input clock by the reference clock; a multiphase clock generator for generating a plurality of output clocks by the input clock; a selector for selecting one of the output clocks as an operation clock; an analog-to-digital convertor for performing analog-to-digital conversion to input data by the operation clock to generate a conversion result; a control circuit for generating parameters according to the conversion result and controlling the selector to do selection; and a phase calibration circuit for outputting a calibration signal and the input clock of the phase-lock-loop to the multiphase clock generator after restarting the phase-lock-loop, so that the multiphase clock generator can correctly regenerate the output clocks by the calibration signal and the input clock, and then the control circuit controls the selector to do selection by the parameters.
US08786332B1 Reset extender for divided clock domains
A clock divider may provide a lower speed clock to a logic block portion, but during reset, the clock divider may not operate properly, causing the logic block portion to be reset at a clock frequency greater than the frequency for which that logic was designed. However, an extended reset may be employed in which the clock divider is reset normally first before the logic block portion, allowing that logic to be reset according to the divided clock (e.g., rather than a higher speed clock). An asynchronous reset may also be employed in which one or more clock dividers first emerge from reset before being provided with a (synchronized) high speed clock signal, causing the clock dividers to be in phase with each other. This may enable communication between different areas of an IC that might not otherwise be in proper phase with each other.
US08786328B2 RF logic divider
An apparatus is provided. Latches are coupled in series with one another in a ring configuration. Each latch includes a tri-state inverter, a first resistor-capacitor (RC) network, and a second RC network. The tri-state inverter has a first clock terminal and a second clock terminal. The first RC network is coupled to the first clock terminal. The second RC network is coupled to the second clock terminal. A biasing network is also provided. The biasing network has a first bias voltage generator that is coupled to the first RC network for each latch and a second bias voltage generator that is coupled to the second RC network for each latch.
US08786326B2 Integrated circuit chip and system having the same
An integrated circuit chip includes: an internal circuit; a data output circuit configured to output a data packet of the internal circuit in response to a strobe signal; an oscillator configured to generate a first clock signal; a divider configured to divide the first clock signal and generate a second clock signal; and a strobe signal supply unit configured to supply the second clock signal as the strobe signal during an initial period of transmission of the data packet and supply the first clock signal as the strobe signal after the initial period.
US08786325B2 Integrated circuit chip and system having the same
An integrated circuit chip includes: an internal circuit; a data output circuit configured to output a data packet of the internal circuit in response to a strobe signal; an oscillator configured to generate a first clock signal; a divider configured to divide the first clock signal and generate a second clock signal; and a strobe signal supply unit configured to supply the second clock signal as the strobe signal during an initial period of transmission of the data packet and supply the first clock signal as the strobe signal after the initial period.
US08786321B2 Power harvesting in open drain transmitters
A transmitter having at least one channel comprising a first differential circuit driven by a differential data signal, the first differential circuit configured to output the differential data at a first and second output and a first control circuit coupled between the first differential circuit and the first and second output, the first control circuit driven by a drive voltage.
US08786320B2 Signal input circuit and semiconductor device having the same
A signal input circuit includes an input unit, a first compensation circuit, a second compensation circuit, and an enable circuit. The input unit receives a first input signal to output an output signal to an output node. The first compensation circuit is connected to the output node and discharges the output node in response to a second input signal. The second compensation circuit is connected to the output node and supplies a current to the output node in response to the second input signal. The enable circuit enables the input unit and the first and second compensation circuits in response to at least one operation mode selection signal.
US08786319B1 Latch isolation circuit
A system and method have been provided for passively isolating a latch circuit. The method provides a latch having a first input, an output, and a reset port. The latch first input is selectively connected to a first reference voltage. While the latch first input is connected to the first reference voltage, the latch is reset. Subsequent to disconnecting the latch first input from the first reference voltage, a first node is selectively connecting to the latch first input. In response to selectively connecting the first node, a first analog signal is supplied to the latch first input. Subsequent to resetting the latch, the first analog signal is captured and the latch output supplies a digital signal responsive to the captured first analog signal.
US08786317B2 Low voltage detection circuit
Disclosed is a low voltage detection circuit. The low voltage detection circuit includes, a voltage comparison circuit, an output stage, an electric current circuit, and a judgment circuit. When the voltage comparison circuit detects that the voltage of the detection target is a predetermined voltage value or less, an output state of the output stage is promptly changed. When the voltage comparison circuit detects that the voltage of the detection target is a predetermined voltage value or more, the output state of the output stage is changed after a delay time obtained by the electric current circuit.
US08786316B2 Comparator with self-limiting positive feedback
A method and circuit for attenuating positive feedback in a comparator in one embodiment includes an amplifier configured to compare a first input signal with a second input signal and to provide an output based upon the comparison, a non-linear function with a first input operably connected to an output of the amplifier, and a feedback loop operably connected to the output of the non-linear function and to a second input of the non-linear function, the feedback loop including a feedback limiting circuit configured to attenuate a feedback signal to the second input of the non-linear function.
US08786314B2 Contactless power transfer system and control method thereof
A contactless power transfer system, including a coil configured to supply or receive power contactlessly via magnetic coupling, a bridge circuit having two direct current (DC) terminals and two alternating current (AC) terminals, and a smoothing capacitor connected between the DC terminals. A load is connectable to either end of the smoothing capacitor. One of the AC terminals is connected to one end of the coil via a first capacitor. The other of the AC terminals is connected to the other end of the coil. The bridge circuit includes two serially-connected circuits each having upper and lower arms, each arm having a semiconductor switch and a diode in reverse parallel connection. A second capacitor is connected in parallel to the semiconductor switch of an upper arm, or of a lower arm, or to two semiconductor switches respectively of an upper arm and of a lower arms, of the bridge circuit.
US08786303B2 Semiconductor device having a plurality of pads
A semiconductor device includes a plurality of sensor pads configured to receive a probe signal from a testing apparatus, and a plurality of normal pads configured to receive a driving signal to drive the semiconductor device. In the plurality of sensor pads and the plurality of normal pads, a length in a direction corresponding to one of progress directions of a plurality of needles of the testing apparatus is longer than a length in another progress direction of the plurality of needles.
US08786298B2 Apparatus and method for near field scan calibration
Disclosed are a method and an apparatus of near field scan calibration, and more particularly, a method and an apparatus for near field scan calibration for calibrating a characteristic of an antenna for near field scan measurement of a semiconductor chip. The apparatus for near field scan calibration includes: a plane-type text fixture having a plane shape; an antenna positioned spaced apart from the plane-type test fixture by a set spacing distance and acquiring data including a magnetic field; and a spectrum analyzer analyzing the data acquired by the antenna.
US08786296B2 Resistance-measuring circuit and electronic device using the same
A resistance-measuring circuit includes a controller for outputting a PWM signal and further for adjusting the duty cycle of the PWM signal, and a sampling circuit for processing the PWM signal and transmitting the processed PWM signal to the sensor. The sampling circuit samples the signal outputted from the sensor to generate a sampled signal with the voltage thereof changing according to any change in the duty cycle of the PWM signal, and further transmits the sampled signal to the controller. The controller obtains the real-time duty cycle of the PWM signal when the voltage of the sampled signal reaches a threshold voltage, and further calculates the exact resistance of the sensor according to the obtained real-time duty cycle of the PWM signal and the threshold voltage. An electronic device with the resistance-measuring circuit is also provided.
US08786295B2 Current sensing apparatus and method for a capacitance-sensing device
A capacitance-sensing device including a current-to-voltage converter and an analog-to-digital converter is described. A sense element is coupled to an input of the current-to-voltage converter. The current-to-voltage converter is configured to convert current changes in the coupled sense element to an output voltage and to maintain a constant voltage at the input. The analog-to-digital converter is configured to convert the output voltage generated by the current-to-voltage converter to a digital value.
US08786292B2 Power conductor monitoring device and method of calibration
A power distribution monitoring system is provided that can include a number of features. The system can include a plurality of monitoring devices configured to attach to individual conductors on a power grid distribution network. In some embodiments, a monitoring device is disposed on each conductor of a three-phase network. The monitoring devices can be configured to measure and monitor, among other things, current and electric-field on the conductors. Methods of calibrating the monitoring devices to accurately measure electric-field are also provided. In one embodiment, a first monitoring device on a first conductor can transmit a calibration pulse to a second monitoring device on a second conductor. The second monitoring device can determine a degradation of the calibration pulse, and use that degradation to calibrate electric-field measurements around the conductor.
US08786289B2 Method and semiconductor device for monitoring battery voltages
A semiconductor device for monitoring batteries or cells connected in series has a selector switch that selects one of the batteries or cells and outputs voltages obtained from its positive and negative terminals. A pair of buffer amplifiers receives these voltages at high-impedance input terminals and output corresponding voltages to a level shifter. The level shifter generates an output voltage equal to the difference between the outputs of the buffer amplifiers. By preventing current flow between the selector switch and the level shifter, the buffer amplifiers reduce the output droop that occurs at the beginning of a voltage measurement, even if the semiconductor device is connected to the batteries or cells through a low-pass filter circuit with a comparatively large time constant. Measurement time is shortened accordingly.
US08786284B2 Integrated high-frequency generator system utilizing the magnetic field of the target application
An integrated high-frequency generator system utilizing the magnetic field of the target application including a magnetic resonance magnet having an application zone and a high-frequency (microwave/terahertz) generator zone in the magnetic field of the magnetic resonance magnet; and a high-frequency (microwave/terahertz) generator disposed in the high-frequency (microwave/terahertz) generator zone and utilizing the magnet field of the magnetic resonance magnet to generate the high-frequency (microwave/terahertz) radiation. The magnetic resonance magnet may have an auxiliary magnetic field source for modifying the magnetic field profile in the high-frequency (microwave/terahertz) generator zone. The high-frequency (microwave/terahertz) generator may include an electron gun for generating an electron beam adapted to be focused by a magnetic field source having a spatially rising region, a homogenous region and a decaying region, an interaction structure for generating high-frequency (microwave/terahertz) radiation, an internal mode converter in the homogenous region for extracting the high-frequency (microwave/terahertz) radiation through a window, and a reduced collector disposed substantially in the homogenous region before the electron beam spreads in the decaying region.
US08786283B2 Whole-body coil arrangement for an open magnetic resonance scanner for use with a second diagnostic and/or therapeutic modality
A whole-body coil arrangement for an open magnetic resonance scanner for use with a second diagnostic and/or therapeutic modality is proposed. The whole-body coil arrangement includes at least one coil conductor and a radio-frequency shield. The whole-body coil arrangement is embodied at least in part as essentially transparent to the second modality.
US08786282B2 Method to control a magnetic resonance device for image acquisition, and corresponding magnetic resonance device
In a method to control a magnetic resonance device for image acquisition in at least one slice, the magnetic resonance device has a radio-frequency antenna with multiple transmission channels. At least one slice deviates from a cuboid shape and/or that is roughly adapted to a target volume of interest that is to be acquired, and/or at least one saturation volume adapted to a shape in a subject to be acquired, are defined automatically and/or manually via a user interface. The selection of possible slices and/or saturation volumes is limited automatically under consideration of the technical embodiment of the radio-frequency antenna. The image acquisition takes place in the selected slice and/or under consideration of the saturation volume.
US08786281B2 Avoidance of susceptibility artifacts in magnetic resonance measurements via targeted addition of recycled materials in plastic parts
Susceptibility artifacts are significantly reduced or avoided in a magnetic resonance image by producing one or more components of a magnetic resonance system from plastic material having a targeted addition or recycled plastic material.
US08786280B2 Magneto-resistance effect element and sensor
A magneto-resistance effect element for a sensor to sense a variation in externally applied magnetism includes a pinned layer having a fixed magnetization direction, a free layer having a magnetization direction which varies in response to an external magnetic field, and an intermediate layer provided between the pinned layer and the free layer. The pinned layer has a planar shape which is long in the fixed magnetization direction and which is short in a direction orthogonal to the fixed magnetization direction. Moreover, the pinned layer preferably has a planar shape in which the pinned layer is divided into a plurality of sections.
US08786279B2 Circuit and method for processing signals generated by a plurality of sensors
An electronic circuit includes a plurality of sensing elements configured to generate a plurality of sensing element signals. The electronic circuit also includes a control signal generator configured to generate a plurality of control signals. The electronic circuit also includes a combining circuit. The combining circuit includes a plurality of switching circuits. Each switching circuit is configured to generate a respective switching circuit output signal being representative of either a non-inverted or an inverted respective one of the plurality of sensing element signals depending upon the first state or the second state of a respective one of the plurality of control signals. The combining circuit also includes a summing circuit coupled to receive the switching circuit output and configured to generate a summed output signal corresponding to a sum of the switching circuit output signals.
US08786277B2 Environmental noise reduction for magnetometry
A magnetic signal noise reduction and detection system has inputs configured to receive data from a first total field scalar magnetometer, data from a vector magnetometer, and data from a position, velocity and heading sensor, a signal processor configured with a pre-processor system, an adaptive noise cancellation system and a detection system, the pre-processor system configured to carry out initial processing of data received. The pre-processor is configured to convert data to the frequency domain and pass the converted data to the adaptive noise cancellation system. The adaptive noise cancellation system is configured to carry out multivariate regression on the converted data to reduce detected noise. The detection system is configured to detect magnetic anomalies and output information in real time about the magnetic anomalies to a user interface.
US08786275B2 Transmission gear position sensor using printed circuit element
A gear position sensor employs a sliding electrical connection between arcuate conductors and flexible wiper arms held on opposite surfaces that rotate relative to each other with the movement of a gear selector shaft. The traces may have multiple segments joined by resistors to provide flexible change in resistance value and resistance range for different applications.
US08786270B2 Synthetic ripple regulator with frequency control
A synthetic ripple regulator including frequency control based on a reference clock. The regulator includes an error network, a ripple detector, a combiner, a ripple generator, a comparator network and a phase comparator. The error network provides an error signal indicative of relative error of the output voltage. The ripple detector provides a ramp control signal based on the input and output voltages and a pulse control signal. The combiner adjusts the ramp control signal based on a frequency compensation signal to provide an adjusted ramp control signal. The ripple generator develops a ripple control signal based on the adjusted ramp control signal. The comparator network develops the pulse control signal to control switching based on the error signal and the ripple control signal. The phase comparator compares the pulse control signal with the reference clock and provides the frequency compensation signal.
US08786267B2 Real time adjustable zero current detection for a switching regulator
A feedback loop is used to optimize a zero current threshold for a switching regulator. After the low side power switch of the switching regulator turns off, the switching node state is monitored to adjust the zero current threshold in a real time and thus the low-side power switch is prevented from turning off too early or too late. Thereby the efficiency in green mode is optimized.
US08786265B2 Adjustable current limit switching regulator with constant loop gain
A switching regulator is configured to provide a regulated voltage to a load while maintaining a substantially maximum output current limit, the switching regulator having a loop gain. In accordance with one aspect the switching regulator comprises: a circuit for adjusting the maximum output current limit in response to a programmable signal independently of the loop gain. In accordance with another aspect, the switching regulator comprises: a resistance sensing element for providing the current output of the regulator, and having a resistance which varies with temperature; and a circuit for maintaining the output current limit at a level independent of the temperature of the sensing element. In addition, in accordance with one aspect, a method of providing a regulated voltage to a load is disclosed in which a substantially maximum output current limit of a switching regulator is maintained. In one aspect the method comprises: adjusting the maximum output current limit in response to a programmable signal independently of the loop gain. In accordance with a second aspect, the method comprises: maintaining the output current limit at a level independent of the temperature of the sensing element and a constant transient response to load perturbations as a function of temperature and current limit setting.
US08786264B2 DCDC converter with converter modules that can be dynamically enabled or disabled
Provided is an apparatus comprising a DCDC converter having a plurality of converter modules each configured to convert current from a first voltage level to another voltage form. In accordance with an embodiment of the disclosure, the converter modules are configured to be dynamically enabled or disabled such that only each converter module that has been enabled converts current for an output of the DCDC converter. Any inefficiency that would have been introduced by converter modules that are not needed are mitigated or eliminated altogether. The effect is that efficiency can be improved during low load conditions when there is no need to enable all of the converter modules.
US08786261B2 Cell modules for detecting temperature and voltage of cells
Disclosed is a distributed battery management system that uses cell modules that are attached to cell terminals. A connector tab extends from the cell modules that provides a solid thermal and electrical connection to a cell terminal, as well as structural support for the cell module. A single wire is used to connect the cell modules that carries power, a voltage sample level, a serial data stream, indicating the temperature at a cell terminal to which the cell module is connected, and voltage level of each of the cells, as well as discharge current to equalize the charge of each of the cells. Various adapters can be used for different cell formats, which provide structural support for the cell modules. Reverse connection protection circuitry is also provided that protects the circuitry in the cell modules from accidental reverse connection.
US08786260B2 Thermal control of electric storage device
There is provided a method of thermally controlling an electric storage device. The method comprises increasing cooling medium supplied to the electric storage as an electric charge stored in the electric storage device increases. According to the method, by increasing the cooling medium supplied to the electric storage device as an electric charge stored in the electric storage device increases, the electric storage device may be kept at a temperature that increases the efficiency of charging or discharging the electric storage device. It is asserted to be more efficient to lower the temperature of the electric storage device when more electric charge is stored in the electric storage device. Also, an adequate amount of the cooling medium may be supplied to the electric storage. As a result, the overall efficiency of the electric system may be improved.
US08786258B2 Battery pack and method of controlling the battery pack
A battery pack includes a battery cell, a current converting unit connected between the battery cell and a load and converts a discharge current of the battery cell, and a microcomputer that determines an amount of a discharge current of the battery cell and controls the current converting unit based on the amount of the discharge current. Accordingly, a current needed for the load may be adjusted in the battery pack.
US08786252B2 Battery charger cradle
In a battery charger cradle, a battery incorporated in a battery built-in device is charged by electric power induced to an induction coil. The cradle includes a primary coil for inducing electromotive force to the induction coil, a casing having a top plate atop of which the battery built-in device is placed, a movement mechanism for moving the primary coil along an inner surface of the top plate, and a position detection controller for detecting a position of the battery built-in device placed on the top plate and controlling the movement mechanism to bring the primary coil closer to the induction coil in the battery built-in device. When the battery built-in device is placed on the top plate, the position detection controller detects the position of the battery built-in device, and the movement mechanism moves the primary coil closer to the induction coil in the battery built-in device.
US08786251B2 Clip-on charging system with variable charging rates
A charger for charging a battery of an electronic device is provided. The electronic device has a charging clip that clips to a structure of the charger. The structure has a plurality of conductive strips disposed thereon. The number of conductive strips contacted by a charging contact on the charging clip determines the amount of current provided to the electronic device for charging.
US08786246B2 Power resource management
Systems and methods that recharge power supply units of portable electronic devices by leveraging energy harvesting or scavenging techniques. A recharge component accumulates energy from a plurality of sources, and supplies an electric current to the portable electronic device for a charge thereof. The sources of energy are based on routine user actions such as muscle movements (e.g., walking, movement of eye lashes, body heat), and can further consider environmental factors such as exposure to sunlight, temperature, as well as availability of external power sources.
US08786244B2 System and method for current estimation for operation of electric motors
Methodologies and systems are provided for current estimation in electric motor. The system comprises an electric motor having sensors for sensing at least motor current, motor temperature and motor speed. A vehicle controller is coupled to the sensors and includes a closed-loop current control system for the electric motor having a current compensation circuit for providing a current compensation signal that is used to adjust a current command for the electric motor. The current compensation circuit includes a short-circuit current calculator for providing a short-circuit current value based upon the motor temperature and the motor speed, a compensation gain calculator for providing a gain compensation value based upon the motor speed, and circuitry for combining the motor current, the short-circuit current value and the gain compensation value to provide the current compensation signal. Methods for current estimation in electric motor are also provided.
US08786242B2 Method and device for controlling load and voltage in voice coils
A method for sensing and compensating for variances in load and voltage in a closed loop voice coil system is described. A load in a system which included a supply voltage and the load, which includes an inductive element, is excited with a known duty cycle for a time interval. At an end time, at the end of the time interval, the current which flows through the load is sensed. A lumped term based at least in part on the time interval and a change in the load current during the time interval is calculated. The lumped term is representative of the supply voltage and one or more electrical characteristic of the load. A control signal to control a voltage applied to the load may be generated based at least in part on the lumped term. Apparatus and computer-readable media are also described.
US08786238B2 Drive system for rotating electric machine
A MG drive computer switches off system relays when a collision or a possibility of collision is detected. The computer also executes the revolution speed reduction control for reducing the revolution speed of a rotating electric machine and the discharge control for discharging a smoothing capacitor. In the revolution speed reduction control, the second control for switching on switching elements of three phases of an upper arm or lower arm of an inverter and switching off all other switching elements is performed when the revolution speed of the rotating electric machine is equal to or less than a second threshold. When the revolution speed is higher than the second threshold, the first control for switching on a switching element of one phase of the upper arm or lower arm and switching off other switching elements is performed.
US08786233B2 Electric ratchet for a powered screwdriver
A powered screwdriver system includes an electric ratchet. In accordance with one aspect, the powered screwdriver system includes a driver housing and includes a motor disposed within the housing. A working end provides a rotational output and is mechanically coupled to the rotor. A power source provides power to the motor. A controller receives signals representative of a motor condition and, based on the received signals, controls the motor in a manner providing the electric ratchet.
US08786230B2 Apparatus and method of estimating inductance of permanent magnet synchronous motor
A method of estimating inductance of a permanent magnet synchronous motor (PMSM) includes injecting a signal having a frequency differing from an operating frequency of the PMSM into the PMSM during sensorless operation, sensing magnitudes of current responses to the injected signal, and estimating an inductance value at which the magnitude of the sensed current response is minimal to be an actual inductance value of the PMSM, thereby estimating inductance used in the PMSM regardless of position estimation error of the PMSM and thus more accurately and reliably estimating inductance of the PMSM.
US08786220B2 Device and method for taking a safety precaution in an electrical tool
The invention relates to a device (10) for taking a safety precaution in an electrical tool, said electrical tool comprising an electric motor (EM) with at least one field winding and an armature winding. The device (10) comprises the following features: a sensor unit (12) which is designed to generate a sensor signal (21) in accordance with a motor current (14) passing through the electric motor (EM), an armature voltage (16) via the armature winding, a voltage (18) via the field winding and/or a commutation frequency (20) in the armature winding; a unit (22) detecting a change of the sensor signal, which is designed to detect a temporal change of the sensor signal (21) and emit a corresponding modification signal (24) on the basis of the detected change; and a safety device (26) which is designed to take a safety precaution (28) in the electrical tool when a value of the modification signal (24) is exceeded or not met in relation to a threshold value.
US08786219B2 Motor control device
A motor control device includes: a feedforward computing section for computing a motion reference value and a feedforward driving force based on a motion command; a deviation compensation computing section for outputting a deviation compensation driving force by a control computation for reducing a control deviation; a driving-force command synthesizing section for outputting a driving-force command based on the feedforward driving force and the deviation compensation driving force; a reaction-force compensation computing section for computing a motion correction value based on a predetermined reaction-force reference value and the deviation compensation driving force; and a control-deviation computing section for computing the control deviation based on a deviation between the motion reference value and a motor motion detection value, and the motion correction value.
US08786211B2 Current control for SIMO converters
A system includes a single-inductor-multiple-out (SIMO) converter having storage circuitry in communication with a plurality of output channels, and a controller that controls and measures current flow through the SIMO converter. A signal generator may output switching signals to store current in the storage circuitry and discharge the stored current into the plurality of output channels. The discharged current may be measured and compared to a desired current draw through the output channels over a sample period. A compensator may determine whether to change one or more timing parameters used to control the flow of current through the SIMO converter.
US08786210B2 Drive circuit for light emitting diode
A drive circuit for a light emitting diode, and applications thereof, are disclosed. In one example, the drive circuit includes an input voltage and a ground, and a current control block including a voltage supply connection, a ground connection, a first voltage sense connection, and a second voltage sense connection. The voltage supply connection electrically connects to the input voltage and the ground connection connected to the ground. The drive circuit includes a current sense resistor connected to the first voltage sense connection, a first current adjustment resistor connected between the current sense resistor and the second voltage sense connection, and a second current adjustment resistor connected between the second voltage sense connection and the input voltage. A light emitting diode can connect from a point between the current sense resistor and the first current adjustment resistor to the ground.
US08786208B2 Electronic device for driving light emitting diodes
The present invention relates to an electronic device for driving a light emitting diode, which includes a switch (Ts) being adapted to switch a switch-mode power converter, and controlling means (CNTL) being adapted for controlling the switch (Ts) in response to a sensing value (Vs) indicative of a current of the switch-mode power converter and for controlling by the switch (Ts) the output voltage of the switched power converter and a current (Iout) through the light emitting diode.
US08786207B2 Light-emitting diode with adjustable light beams and method for controlling the same
A light-emitting diode with adjustable light beams and a method for controlling the same. The light-emitting diode includes a substrate, multiple dies on the substrate, a primary optical lens over the substrate, wherein a portion of the dies being designated as belonging to a first group of dies and another portion of the dies being designated as belonging to a second group of dies, the primary optical lens covers the dies, and a controlling unit selectively drives the first or the second group to emit light, wherein a light beam formed by light that is emitted by the first group and passes through the primary optical lens has a different shape or projection angle from a light beam formed by light that is emitted by the second group and passes through the primary optical lens.
US08786206B2 Intelligent lamp and control method thereof
A method for controlling an intelligent lamp to work automatically according to people's habit includes generating a table in the memory, the table records values of a group of operational parameters of the intelligent lamp each time a user operates the intelligent lamp. Determining a frequent event and an accidental event in the predetermined time period in one day in last one week/month/year. Then obtaining all values of the operational parameters of the frequent events, and respectively calculating an accuracy value for each operational parameter according to an algorithm. In addition, controlling the lighting unit to work according to the accuracy values of the operational parameters, thus, an intelligent lamp for automatically working according to people's habit is also provided.
US08786204B2 DC/DC converter and driving apparatus having the same
There are provided a DC/DC converter and a driving apparatus having the same. The DC/DC converter includes a DC/DC converter part converting an input power into a predetermined DC power by switching the input power to thereby supply the converted DC power to a light emitting device; and a control part controlling switching of the DC/DC converter part in accordance with a driving signal applied to the light emitting device to thereby control a voltage level of the DC power.
US08786201B2 LED lighting device and illumination apparatus including same
An LED lighting device includes a power converter for outputting a variable output voltage, two LED lamps being connected in series between output terminals of the power converter; a current detector for detecting an output current from the power converter; a first detector for detecting the output voltage of the power converter and generating a first detection voltage corresponding to the output voltage; a second detector for detecting an applied voltage to one of the two LED lamps and generating a second detection voltage corresponding to the applied voltage; and a controller for controlling the power converter to adjust the output voltage to thereby make the output current coincide with a target value. The controller controls the power converter to decrease the output voltage if at least one of the second detection voltage and the deference between the first and the second detection voltage does not fall within a range.
US08786200B2 Wiring boards for array-based electronic devices
In accordance with certain embodiments, lighting systems include one or more lightsheets each including a plurality of strings of light-emitting elements, control elements, and power conductors for supplying power to the light-emitting elements and control elements.
US08786199B2 Method for compensating and checking light amount of light-emitting device
A method for compensating and checking a light amount is applicable to a light-emitting device including a plurality of light-emitting elements, and the following steps are successively executed on the light-emitting elements: measuring an original light amount output by a light-emitting element within a reference time interval; generating a calibration value corresponding to the light-emitting element according to the measured original light amount and a reference light amount; and adjusting light output of the light-emitting element according to the calibration value, so that the original light amount reaches a target light amount.
US08786196B2 Load control system having a rotary actuator
A load control device for controlling the amount of power delivered from an AC power source to an electrical load comprises a rotary actuator, such as a rotary knob or a rotary wheel. The load control device increases and decreases the amount of power delivered to the electrical load in response to rotations of the rotary knob in first and second directions, respectively. The load control device accelerates the rate of change of the amount of power delivered to the load in response to the angular velocity of the rotary actuator. The load control device generates a ratcheting sound when the rotary actuator is rotated in the first direction at a high-end intensity of the load control device. The load control device is operable to control the electrical load in response to both actuations of the rotary actuator and digital messages received via a communication link.
US08786194B2 Constant current driving apparatus for LEDs
An LED constant current driving apparatus includes a power supply module; an LED module comprising one or more LEDs connected in serial, the LED module that is luminous by the power supplied by the power supply module; a current detection module connected to an output terminal of the LED module, to detect a current flowing to the LED module; an error amplification module configured to compare the current signal detected by the current detection module to a first preset signal and to amplify and output an error signal base on the result of the comparison; and a plurality of sequential driving control modules connected to the one or more LEDs provided in the LED module in serial, to compare the error signal amplified and outputted by the error amplification module to a second preset reference and to control luminosity and off driving of each LED of the LED module.
US08786190B2 Lighting device for vehicles
A lighting device for vehicle lights is provided that includes, but is not limited to LEDs arranged in a combined parallel/series circuit. A first photodiode is used to recognize the lighting of a first LED and a second photodiode is provided to recognize the lighting of a second LED of the plurality of LEDs.
US08786186B2 Organic light emitting diode display with adhesive layer
Disclosed is an organic light emitting diode (OLED) display comprising a substrate; an organic light emitting element disposed on the substrate; an encapsulation substrate disposed on the organic light emitting element; and an adhesive layer formed on the substrate, covering the organic light emitting element, and bonding the substrate on which the organic light emitting element is formed with the encapsulation substrate.
US08786183B2 Light-emitting element, light-emitting device, and electronic device
The light-emitting element of the present invention includes a light-emitting layer and a layer for controlling movement of carriers between a pair of electrodes. The layer for controlling movement of carriers includes a first organic compound having a carrier transporting property and a second organic compound for reducing the carrier transporting property of the first organic compound, and the second organic compound is dispersed in the first organic compound. The layer for controlling movement of carriers is provided in such a manner, whereby change in carrier balance with time can be suppressed. Therefore, a light-emitting element having a long lifetime can be obtained.
US08786177B2 Single-photon type organic electroluminescent element
An object of the present invention is to provide an organic EL element including a plurality of light-emitting layers which each emit light having a different peak wavelength, and having excellent light-emitting performances such as light-emitting intensity with a simple structure.The present invention is a single-photon type organic electroluminescent element including a first electrode having optical transparency, a second electrode, and a plurality of light-emitting layers disposed between the first and second electrodes, wherein the plurality of light-emitting layers stacked between the first and second electrodes each emit light having a different peak wavelength, and each of the light-emitting layers is disposed separately from the second electrode at such a position that optical resonance is generated by reflected light emitted from a predetermined light-emitting layer toward the second electrode and reflected by the second electrode to return, and light emitted from the predetermined light-emitting layer toward the first electrode.
US08786172B2 Fluorescent member and light emitting module
In a plate-shaped fluorescent member configured to convert the wavelength of the light emitted by a semiconductor light emitting element, the fluorescent member is formed of an inorganic material having a refractive index of 1.5 or more and a light transmittance at the emission peak wavelength of the semiconductor light emitting element of less than 20%. A concave portion is formed, of the surfaces of the fluorescent member, on the surface on the side where the light in the semiconductor light emitting element is mainly emitted. In the fluorescent member, the light transmittance of the light having a wavelength of 380 nm to 500 nm may be less than 20%. The concave portion may be a groove. The concave portion may be a plurality of holes that are scattered.
US08786167B2 Ceramic material, method for the production of the ceramic material and component comprising the ceramic material
The invention relates to a ceramic binary material and to a method for the production thereof. The material has piezoelectric properties and has a composition of the formula (1−x)(Bi0.5Na0.5TiO3)×(K0.5Na0.5NbO3), where 0
US08786165B2 QFN/SON compatible package with SMT land pads
A leadless package and method for manufacturing silicon based leadless QFN/SON compatible packages are described. In addition the package allows for hermetic sealing of devices while maintaining electrical and optical access. Micro-vias with feed-through metallization through a silicon structure facilitates a surface mount technology-compatible silicon package with bottom SMT pads and top surface device integration. Sloped edges on the SMT side enable solder filleting for post solder inspection. Hermetic seal can be attained for example using anodic bonding of a glass lid or using metal soldering. Metal soldering enables the use of solder bumps to provide electrical connections for the package to the lid with integrated device functionality used for sealing. Hermetically sealed silicon packages eliminates the need for an extra packaging layer required in plastic packages and provides a standard interface for enclosing one or more discrete devices.
US08786163B2 Vibrational wave motor, lens barrel and camera
A vibrational wave motor includes a motor main body and pressing member. The motor main body includes an electromechanical conversion element, elastic body and relative motion member. The elastic body joined to the electromechanical conversion element generates an oscillating wave. The relative motion member in pressure contact with the elastic body is rotationally driven relative to the elastic body. The pressing member generates a pressing force between the elastic body and relative motion member. The pressing member includes a pressure applying portion, extension portion and pressing main body. The pressure applying portion presses one of the elastic body and the relative motion member towards the other, along a rotation axis. The extension portion extends outward from the pressure applying portion in a radial direction centered about the rotation axis. The pressing main body is disposed more outward in the radial direction than the motor main body at the extension portion.
US08786162B2 Device for driving a piezoelectric element
The disclosed invention provides a device for driving a piezoelectric element, making it possible to make an output voltage follow a control voltage during a discharging action. A charging circuit charges a piezo element through a first node. A discharging circuit discharges electric charge charged in the piezo element through the first node. A control circuit makes switching to cause the discharging circuit to perform a discharging action or cause the charging circuit to perform a charging action, based on a comparison between the magnitude of a voltage being applied to the piezo element and the magnitude of a control voltage.
US08786161B2 Sensorless motor and pump having a consequent rotor
A motor in which drive current supplied to a winding is controlled in accordance with a rotational position of a rotor detected from a waveform of an induced voltage between phases. The motor is provided with a stator including 3×n teeth and windings for three phases. A rotor includes a rotor core, an n number of magnets, and an n number of salient poles. The magnets function as one of the magnetic poles, the salient poles function as the other one of the magnetic poles. Each salient pole is spaced apart by a gap from the adjacent ones of the magnets in the circumferential direction. The magnets and gap are arranged inward in the radial direction from the rotor core. An electrical angle between two ends of each magnet is set to be smaller than an electrical angle between two ends of each salient pole.
US08786159B2 Fixing structure for stator core and rotating electric machine including the same
A fixing structure for a stator core includes a stator core, a ring member fitting on the stator core, and a case covering the stator core and the ring member. The case includes a fixing portion fixing the ring member, and a fitting portion fitting on the ring member.
US08786153B2 Kinetic energy accumulator and an energy transfer system incorporating a kinetic energy accumulator
The invention relates to a kinetic energy accumulator, comprising a plurality of rotatably mounted accumulator members (100, 198) positioned adjacent one another, an input drive mechanism (116) arranged to impart rotational drive to a first of the accumulator members, and velocity responsive coupling members (106, 192) arranged to provide for magnetic coupling of successive ones of the accumulator members when respective ones of the accumulator members are caused successively to rotate with an angular velocity equal to, or greater than, a predetermined velocity. The accumulator can store kinetic energy and thereby act as source of rotational drive. Hence, there is also provided a kinetic energy transfer system, comprising the kinetic energy accumulator (118), an energy transmitter mechanism arranged to apply drive from a kinetic energy source to the input drive mechanism (116) of the energy accumulator; and a load device coupled to, and arranged to be driven by, the energy accumulator when each of the accumulator members is rotating with an angular velocity equal to, or greater than, the predetermined velocity. The load device can be an electric generator or other device.
US08786151B1 Apparatus for maintaining air-gap spacing in large diameter, low-speed motors and generators
A rotor-stator structure including plural bumper elements that may employ synthetic sliding bearing surfaces, mounted to the stator, and designed to contact a machined surface on the rotor if generator structural deflection occurs during operation. During normal operation, the bearing surface is not in contact with the machine rotor. If extreme loads are imposed on the rotor or stator structures, or other issue like bearing failure, causes the air gap to close, the bumper elements will “touch down” on a machined surface on the rotor to maintain a minimum air gap.
US08786150B2 Rotor shaft and AC generator for vehicle
A rotor shaft is supported in a rotatable manner at both ends by bearings respectively disposed to a housing forming a part of a stator and provided with a positioning portion of the bearing in at least one shaft end. The positioning portion is formed of an annular step-like rise portion that abuts on a circular arc surface provided to an inner ring corner of the bearing. A rotor shaft capable of holding the bearing in a stable manner over a long period is thus obtained without increasing the number of components and the numbers of working processes and assembly man-hours for the shaft. It thus becomes possible to solve problems, such as an increase in cost due to a large amount of working margin and increases of the direct material cost and in weight due to a larger finishing diameter of the shaft.
US08786147B2 Totally-enclosed horizontal rotating electric machine
In a totally-enclosed horizontal rotating electric machine in which a rotor horizontally arranged and a stator arranged at an outer circumference side of the rotor are hermetically sealed in a main frame, and the rotor and the stator are cooled by circulating refrigerant gas, which is encapsulated in the main frame, through a refrigerant passageway, and water-cooled heat exchangers for cooling the refrigerant gas are provided on the way of the refrigerant passageway, the heat exchangers are respectively arranged in a longitudinal direction at each of positions neighboring both left-right end portions at a front side and both left-right end portions at a rear side of the main frame, and a feed-water inlet and a drain outlet of cooling water are provided at an upper side of the heat exchangers.
US08786143B2 Magnetically actuated reciprocating motor and process using reverse magnetic switching
A magnetically actuated reciprocating motor utilizes the stored energy of permanent magnets and an electromagnetic field to reciprocally drive a magnetic actuator. A converting mechanism converts the reciprocating motion of the magnetic actuator to rotary motion for powering a work object. A solenoid, comprising a nonferromagnetic spool having a tubular center section with a coil of wire wrapped around the center section, is connected to a source of power and a switching mechanism. The magnetic actuator has permanent magnets disposed inside a tubular shaft at each end thereof. The switching mechanism switches the magnetic polarity at the ends of the solenoid to alternatively repel and attract the permanent magnets. The shaft is reciprocatively received through the center section of the solenoid. A controlling mechanism interconnects an output shaft, rotatably powered by the magnetic actuator, and the switching mechanism to switch the polarity of the solenoid to drive the magnetic actuator.
US08786142B2 Linear motor
A linear motor comprises a first member including armature modules, a second member including permanent magnet modules, and a supporting mechanism. Each armature module has at least four salient poles projected from a magnetic body to the second member and coils winding round the salient poles, through which a single-phase current flows. Each permanent magnet module has as many permanent magnets as the number of the salient poles included in each armature module. Currents having a predetermined phase difference are applied to the armature modules such that a thrust according to a traveling magnetic field is generated in a unit composed of S armature modules and P (P is a multiple of 2) permanent magnet modules arranged in a moving direction. A stator corresponding to one of the first and second members is fixed to the supporting mechanism such that a mover corresponding to the other moves by the thrust.
US08786140B2 High efficiency magnetohydrodynamic power generation using ultra-high magnetic fields and novel cooling
A magnetohydrodynamic energy conversion device with an electrically conductive working fluid flowing through a conduit in a magnetic field has permanent magnets aligned for maximum field density for inducing an electric current in the fluid and a multistage cooling system for cryogenically cooling the magnets whereby heat is removed from the device at successive cooling stages having respective different coolants, e.g., water, liquid nitrogen and liquid helium, to maintain the magnets at temperatures low enough to produce high tesla magnetic flux densities in the presence of a high temperature working fluid.
US08786138B2 Systems, methods, and apparatus for controlling actuator drive current using bi-directional hysteresis control
Certain embodiments of the invention may include systems, methods, and apparatus for controlling actuator drive current. According to an example embodiment of the invention, a method is provided for controlling actuator drive current. The method may include receiving a reference signal, determining a feedback signal based at least in part on the drive current, determining a conditioned feedback signal based at least in part on the feedback signal, comparing the reference signal to the conditioned feedback signal, and controlling the drive current based on the comparison of the reference signal and the conditioned feedback signal. Certain embodiments of the method may include manipulating one or more devices to establish at least one positive current path and at least one negative current path through an actuator via hysteresis control.
US08786137B2 Digital wiring device
A digital wiring device including a user interface panel, a digital display, and a paddle including a transparent portion to reveal the digital display and an opaque portion to cover the user interface panel. The paddle rotates from a first closed position to a second open position. A digital “schedule-at-a-glance” may be provided so that a user can quickly assess a schedule of events. The digital wiring device may include a back light to illuminate the digital display. The paddle may be operatively associated with the back light. A battery may provide an electrical current to power the digital wiring device in a battery backup mode, and the back light may be disabled based on the mode. The user interface panel may be used to schedule events or otherwise configure the digital wiring device.
US08786135B2 Wireless energy transfer with anisotropic metamaterials
A system includes a structure configured to exchange the energy wirelessly via a coupling of evanescent waves and an anisotropic metamaterial arranged within an electromagnetic near-field such that an amplitude of the evanescent waves is increased. The structure is electromagnetic and non-radiative, wherein the structure generates the electromagnetic near-field in response to receiving the energy.
US08786134B2 Wireless power transmitting system, power receiving station, power transmitting station, and recording medium
A wireless power transmitting system that transmits power from a power transmitting station to a power receiving station wirelessly includes the power receiving station. The power receiving station includes a unit receiving power from the power transmitting station, a unit obtaining a level of power received through the antenna, a unit obtaining a level of power consumed by the device operating while being supplied with received power and a unit transmitting the received power level and the power consuming level to the power transmitting station wirelessly. The power transmitting station includes a unit receiving the received power level and the power consuming level from the power receiving station wirelessly, a unit controlling the level of power transmitted through the transmitting antenna based on the difference between the received power level and the received power consuming level, and a unit transmitting power to the power receiving station wirelessly.
US08786132B2 Power supply device
A power supply device is used for an apparatus which includes a power generator and a parallel assembly including a main power supply and a load. The power supply device includes a input port connected to an output terminal of the power generator, an output port connected to the parallel assembly, an electric storage element charged with electric power generated by the power generator, a switching unit, a current switcher for restricting a current flowing from the main power supply to the electric storage element, a controller for controlling the power generator such that the voltage of the output port becomes a predetermined voltage. The switching unit is connected to the first input port, the output port, and the electric storage element. The switching unit connects the electric storage element, the power generator, and the parallel assembly in parallel to each other when the electric storage element is charged with the electric power generated by the power generator. The switching unit connects the electric storage element, the power generator, and the parallel assembly in series to each other when the electric storage element is discharged to supply electric power stored in the electric storage element to the parallel assembly. This power supply device can provide an apparatus including only one power generator with a regenerating function.
US08786130B1 Method of forming an electromechanical power switch for controlling power to integrated circuit devices and related devices
A method of forming an electromechanical power switch for controlling power to integrated circuit (IC) devices and related devices. At least some of the illustrative embodiments are methods comprising forming at least one IC device on a front surface of a semiconductor substrate. The at least one IC device includes at least one circuit block and at least one power switch circuit. A dielectric layer is deposited on the IC device, and first and second electromechanical power switches are formed on the dielectric layer. The first power switch gates a voltage to the circuit block and the second power switch gates the voltage to the IC device. The first power switch is actuated by the power switch circuit, and the voltage to the circuit block is switched off. Alternatively, the second power switch is actuated by the power switch circuit, and the voltage to the IC device is switched off.
US08786128B2 Two-wire industrial process field device with power scavenging
A process field device for use in monitoring or controlling an industrial process includes first and second loop terminals configured to couple to a two-wire industrial process control loop. Field device circuitry is configured to monitor or control a process variable of the industrial process. The field device circuitry is powered by power connections from the two-wire industrial process control loop. A current regulator is connected in series with the two-wire industrial process control loop, the first and second loop terminals and the field device circuitry. The current regulator is configured to control a loop current flowing through the two-wire process control loop. A voltage regulator is connected in parallel with the current regulator and in series with the two-wire industrial process control loop, first and second loop terminals and field device circuitry. The voltage regulator is configured to control a voltage across the field device circuitry.
US08786126B2 Wind turbine having two hemispherical blades
A wind turbine having two blades is rotated by omnidirectional gas motion. A generator is connected by a shaft to the wind turbine for generating electrical power by the rotation of the wind turbine. A method of extracting energy from moving gas comprises rotating a wind turbine having two blades by omnidirectional gas motion. The method includes connecting a generator by a shaft to the wind turbine and generating electrical power by the rotation of the wind turbine.
US08786124B2 Wind turbine
A wind turbine that includes a rotor and a generator is described. The rotor includes a rotor hub that is rotatably mounted on a frame and one or more rotor blades. The generator includes a generator stator and a generator rotor with a carrying structure that carries magnetic or electromagnetic elements. One or more circumferentially arranged substantially axial protrusions that extend into the generator rotor carrying structure are attached to the rotor. Flexible couplings are arranged between one or more of the axial protrusions and the carrying structure.
US08786121B1 Wave-making and power-generating system
A wave-making and power-generating system uses a motor reducer to move a wave-making drum up and down in a water reservoir via a rocker arm, causing a float to rotate a power generator for generating electricity by a transmission mechanism via an inertial wheel set. A small amount of electricity can move the wave-making drum to drive the power generator to generate electricity. Multiple floats can be used with a respective transmission mechanism and a respective inertial wheel set to drive one power generator.
US08786109B2 Conductive structure and method for forming the same
A conductive structure for a semiconductor chip and a method for forming the conductive structure are provided. The semiconductor chip comprises a plurality of first pads and second pads. The pad area is defined with a first area, a second area and a third area, wherein the first area is located between the second area and the third area. Each of the first pads and the second pads are interlaced to each other on the first area. The conductive structure comprises a plurality of conductive bumps formed on each of the first pads and the second pads respectively to electrically connect with each of the first pads and the second pads. Each of the conductive bumps has a first bump-width disposed on the first area and a second bump-width disposed on one of the second and third areas in which the first bump-width is shorter than the second bump-width.
US08786106B2 Semiconductor device and method for manufacturing semiconductor device
An inventive semiconductor device includes a semiconductor chip having a passivation film, and a sealing resin layer provided over the passivation film for sealing a front side of the semiconductor chip. The sealing resin layer extends to a side surface of the passivation film to cover the side surface.
US08786105B1 Semiconductor device with chip having low-k-layers
A semiconductor device is described having at least one semiconductor chip, the chip having an active area on a top side thereof, the active area formed at least in part of low-k material, said low-k material defining a low-k subarea of said active area; an embedding material, in which said at least one semiconductor chip is embedded, at least part of the embedding material forming a coplanar area with said active area; at least one contact area within the low-k subarea; a redistribution layer on the coplanar area, the redistribution layer connected to said contact areas; at least one first-level interconnect, located outside said low-k subarea, the first-level interconnect electrically connected to at least one of said contact areas via the redistribution layer.
US08786095B2 Interconnect for an optoelectronic device
Interconnects for optoelectronic devices are described. For example, an interconnect for an optoelectronic device includes an interconnect body having an inner surface, an outer surface, a first end, and a second end. A plurality of bond pads is coupled to the inner surface of the interconnect body, between the first and second ends. A stress relief feature is disposed in the interconnect body. The stress relief feature includes a slot disposed entirely within the interconnect body without extending through to the inner surface, without extending through to the outer surface, without extending through to the first end, and without extending through to the second end of the interconnect body.