17th week of 2012 patent applcation highlights part 31 |
Patent application number | Title | Published |
20120099615 | LASER INDUCED THERMAL IMAGING MASK, LASER IRRADIATION APPARATUS INCLUDING THE SAME, AND METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DEVICE BY USING THE SAME - Provided are a laser induced thermal imaging (LITI) mask, a laser irradiation apparatus including the LITI mask, and a method of manufacturing an organic light emitting device by using the LITI mask. The LITI mask including an opening corresponding to a pixel region and an opening corresponding to an edge of a pixel is used to form an organic layer in an upper portion of a substrate of an organic light emitting device, thereby transferring the organic layer to an edge of the pixel region. | 2012-04-26 |
20120099616 | Icing Sensor System and Method - In a first aspect the invention relates to a sensor system ( | 2012-04-26 |
20120099617 | ELECTRONIC CLINICAL THERMOMETER - An electronic clinical thermometer for connecting to an electronic device includes a sensing portion comprising and a controlling portion. The sensing portion includes a first audio connecting member and the controlling portion includes a second audio connecting member. The second audio connecting member is assembled with the first audio connecting member to connect the sensing portion and the controlling portion. Thereby, the second audio connecting member is used for connecting to the electronic device and achieving bidirectional communication when the first audio connecting member and the second audio connecting member are separated. | 2012-04-26 |
20120099618 | SECONDARY BATTERY TEMPERATURE-ESTIMATING APPARATUS AND METHOD - An alternating current impedance-estimating section (106) estimates an alternating current impedance (Rh) of the secondary battery based on electric current (I) and voltage (V) of the secondary battery detected when a ripple generating section causes a ripple current to flow in the secondary battery. A temperature estimating section ( | 2012-04-26 |
20120099619 | METHOD FOR INTERFERENCE CONTROL BY AN ULTRA-WIDEBAND WIRELESS COMMUNICATION SYSTEM IN A MULTI-USER ENVIRONMENT AND A RECEIVER FOR PERFORMING THE SAME - An Ultra-Wideband (UWB) wireless communication system in a multi-user environment determines a threshold value to eliminate a signal pulse affected by a near-interference from among a plurality of signal pulses transmitted a number of times. A method for controlling an interference includes receiving the signal pulses, calculating a correlation value by applying a predetermined correlation mask to the signal pulses, determining a threshold value by referring to the number of times that the signal pulses are transmitted, a signal-to-interference-and-noise ratio, and information about a ratio of a near-interference to a far-interference, and eliminating signal pulses having a correlation value greater than the threshold value. The correlation values that are not greater than the threshold value are summed to detect a bit corresponding to each pulse signal. | 2012-04-26 |
20120099620 | CLEAR-CHANNEL SYSTEM AND RELATED APPLICATIONS - A wireless spread-spectrum communication system for transmitting data includes a plurality of end point transmitters and at least one receiver. The end point transmitters transmit data via a frequency-hopped spread-spectrum signal where the transmitting signal is sent without the benefit of frequency stabilization. The receiver is responsive to the frequency-hopping spread-spectrum signals and includes a correlator and a signal processor. The correlator samples at least a first portion of a preamble of the signal and correlates the portion of the preamble with a known preamble pattern to determine a probability of correlation. The signal processor applies a Fast Fourier Transform algorithm to the signal in response to the probability of correlation to track a narrowband frequency of the signal based on at least a second portion of the preamble and to decode data encoded within the signal subsequent to the preamble. | 2012-04-26 |
20120099621 | Scheduling Different Types of Receivers in a Radio Base Station - The invention relates to a method in a radio base station ( | 2012-04-26 |
20120099622 | REPEATER CIRCUIT WITH MULTIPLEXER AND STATE ELEMENT FUNCTIONALITY - A circuit implementing multiplexer, storage, and repeater functions is disclosed. The circuit includes first and second input stages having first and second data inputs, respectively. An output stage is configured to drive an output signal. The first input stage is configured to activate the output stage responsive to a first condition, while the second input stage is configured to activate the output stage responsive to a second condition. An intermediate stage is configured to deactivate the output stage at a first delay time subsequent to one of the first or second input stages activating the output stage. The repeater circuit also includes a storage element configured to store a state of the output signal, and further configured to cause the output node to be held at the state of the output signal subsequent to deactivation of the output stage. | 2012-04-26 |
20120099623 | Satellite Signal Frequency Translation and Stacking - An outdoor satellite receiving unit (ODU) receives several independent satellite signals, selects two signals with a switch matrix, downconverts the two signals to a bandstacked signal with a high and a low band signal, and outputs the bandstacked signal on the same cable to receiver units. Several satellite signals can be selected in groups of two or more and output to independent receiver units. Signal selecting is performed at the received radio frequency (RF) and bandstacking is performed with a single downconversion step to an intermediate frequency (IF). Channel stacking on the same cable of more than two channels from several satellites can be achieved by using frequency agile downconverters and bandpass filters prior to combining at the IF output. A slow transitioning switch minimizes signal disturbances when switching and maintains input impedance at a constant value. | 2012-04-26 |
20120099624 | COMMUNICATION DEVICE AND METHOD OF REDUCING HARMONICS TRANSMITTED - A communication device includes a transmitting circuit that includes a quadrature modulator; a receiving circuit that operates as a quadrature demodulator that, when being in a data non-transferring period, starts when power is switched on and ends when receiving operation starts, switches a local oscillator signal to a harmonic receiving signal, and detects the signal level of a harmonic included in a signal output from the transmitting circuit; a harmonic extracting circuit and a voltage control circuit that extract a harmonic from a modulated signal and adjust the harmonic so as to set the signal level less than or equal to a predetermined threshold. When being in the data non-transferring period, the transmitting circuit outputs a signal to the receiving circuit, the signal being generated by combining an amplified modulated signal with an under-adjustment signal. | 2012-04-26 |
20120099625 | TUNER CIRCUIT WITH AN INTER-CHIP TRANSMITTER AND METHOD OF PROVIDING AN INTER-CHIP LINK FRAME - A tuner circuit includes a digital signal processor to generate a digital data stream related to a radio frequency signal and a transceiver circuit coupled to the digital signal processor and configurable to generate an inter-chip communication frame including a start portion and a plurality of channels. The plurality of channels includes a first data channel to carry a high definition intermediate frequency signal and including a second data channel to carry a demodulated audio signal, the transceiver circuit configurable to provide the inter-chip communication frame to an inter-chip communication link. | 2012-04-26 |
20120099626 | COMPRESSED DATA TRANSCEIVER APPARATUS, DATA COMPRESSOR DEVICE, COMPRESSED DATA RECEIVER DEVICE AND DATA COMPRESSION METHOD - To provide a data compression method that can achieve a high data compression ratio and does not require a buffer circuit or only requires a buffer circuit having a small storage capacity at a receiving side. A data compressor device has an adjustment and compression tool operable to switch a plurality of code words having different code lengths and compress input data at a rate that does not exceed a predetermined receiving speed. | 2012-04-26 |
20120099627 | INTERFERENCE MITIGATION FOR BROADBAND OVER POWER LINE - Systems and methods to exchange data between a vehicle and a remote computer system, are disclosed. In one embodiment, a system to exchange data between a vehicle and a remote computer system comprises at least one power line adapted to couple to the vehicle, a local area network, a modem coupled to the local area network and the at least one power line, and a power line interference server comprising logic to allocate communication channels within a specified frequency range on the power line. Other embodiments may be described. | 2012-04-26 |
20120099628 | Symbol-Level Repetition Coding in Power Line Communications - Systems and methods for implementing symbol-level repetition coding in power line communications (PLC) are described. In some embodiments, these systems and methods may provide reliable communication in severe channel environments of PLC networks, at least in part, by changing the forward error correction (FEC) used by various devices operating within current PLC systems. For example, a method may include receiving a PLC signal and applying convolutional encoding to the received signal, the convolutional encoding producing an encoded signal. The method may also include performing a subcarrier modulation operation upon the encoded signal, the subcarrier modulation operation producing a modulated signal. The method may further include applying symbol-level repetition coding to the modulated signal, the symbol-level repetition coding producing a repetitious signal. In some cases, one or more distinct repetition patterns may be applied to different symbols or portions thereof. The repetitious signal may then be transmitted over a power line. | 2012-04-26 |
20120099629 | Communications Wiring Noise Level Monitor and Alarm Indicator - In an apparatus and method of testing the capacity of a network to support DSL services, a test device is coupled to a pair of wires (e.g., Tip-Ring) that support DSL services between ATU-C and ATU-R modems. In operation, the test device: samples for a DC line feed or potential on the wires when the ATU-R and ATU-C modems are operatively connected via the wires; samples for AC noise present on the wires when the ATU-R modem is electrically isolated from the ATU-C modem which is operatively coupled to the wires; samples for DSL signals output by the ATU-R modem when the ATU-C modem is electrically isolated from the ATU-R modem; and samples for DSL signals on the wires when the ATU-R modem is operatively coupled to the ATU-C modem via the wires. Based on these samples, the test device determines the capacity of the network to support DSL services. | 2012-04-26 |
20120099630 | PROGRAMMABLE ENGINE HAVING A RECONFIGURABLE ACCELERATOR DATA PATH FOR TESTING AND CALIBRATION OF ANALOG FRONT ENDS IN RADIO DEVICES - Briefly, in accordance with one or more embodiments, a radio device comprises an analog front end comprising a radio to transmit and/or receive radio-frequency signals, and a programmable engine coupled to the analog front end. The programmable engine is capable of being programmed to perform one or more tests on the analog front end and includes a reconfigurable data path reconfigurable by the programmable engine to perform one or more tests on the analog front end. | 2012-04-26 |
20120099631 | PILOT-BASED TIME OFFSET ESTIMATION APPARATUS AND METHOD - The present invention provides a pilot-based timing offset estimation apparatus and method. The timing offset estimation apparatus includes: a pilot bit channel estimation module, configured to acquire pilot bit frequency-domain channel estimation values of target users through calculation on respective sub-carriers of the target users according to received frequency-domain demodulation reference symbols and local frequency-domain demodulation reference symbols; and a timing offset estimation module, configured to respectively perform timing offset estimation for each target user by using phase differences among the pilot bit frequency-domain channel estimation values on the respective sub-carriers. The present invention performs timing offset estimation for multiple users on the basis of the received pilot sequences, therefore provides more accurate measurement values for timing offset compensation and timing offset reporting, so as to reduce the influence of the timing offset on the receiver performance. | 2012-04-26 |
20120099632 | METHOD AND ARRANGEMENT FOR ASYNCHRONOUS RSRP MEASUREMENT IN AN LTE UE RECEIVER - In 3GPP LTE, user equipment must be able to report reference signal received power (RSRP) measurement to the serving cell's base station. A low-complexity method for asynchronous RSRP measurement in an LTE user equipment receiver is provided which comprises frequency shifting the received signal so that the upper or lower half band becomes centered around the DC frequency; decimating the received signal to a width of n·2 | 2012-04-26 |
20120099633 | DATA PROCESSING UNIT AND SIGNAL RECEIVER INCLUDING THE DATA PROCESSING UNIT - The data processing unit ( | 2012-04-26 |
20120099634 | RECEIVING DEVICE AND METHOD, DEMODULATING DEVICE AND METHOD, AND PROGRAM - The present disclosure provides a receiving device including, a receiver configured to receive a signal that is transmitted via a propagation path and is modulated by a predetermined system prescribed by a predetermined standard, a demodulator configured to demodulate a received signal, an estimator configured to estimate a signal-to-noise ratio relating to the propagation path, obtained from a data signal included in the demodulated received signal, and a corrector configured to correct an estimated signal-to-noise ratio in accordance with a transmission parameter obtained from the received signal. | 2012-04-26 |
20120099635 | RECEPTION APPARATUS, RECEPTION METHOD, AND PROGRAM - Disclosed herein is a reception apparatus including a calculation section and a storage section. The calculation section calculates correlation values between a data sequence included in a known signal and a received signal at a given point in time. The storage section has at least an area sufficient for storing the correlation values calculated for one frame using the received signal which is one frame long and to which the known signal is added. | 2012-04-26 |
20120099636 | APPARATUS AND METHOD FOR INTERFERENCE CANCELLATION IN MIMO WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for interference cancellation in a Multiple Input Multiple Output (MIMO) wireless communication system. The method for interference cancellation includes equalizing first reception signals received through two or more reception antennas to estimate transmission signals transmitted through two or more transmission antennas, generating two or more second reception signals in which a mutual interference between the transmission signals is removed from the first reception signals by using the estimated transmission signals, independently equalizing the generated two or more second reception signals, and combining the independently equalized two or more second reception signals to estimate a transmission signal in which an interference is removed. | 2012-04-26 |
20120099637 | SYSTEMS AND METHODS FOR PERFORMING DYNAMIC CHANNEL ESTIMATION - Systems and methods are disclosed for dynamic channel estimation in a digital receiver by performing a dynamic equalization on an incoming signal to compensate for channel distortion; independently estimating one or more channel parameters for the dynamic equalization, wherein the one or more channel parameters track channel change; determining a convolution of the channel parameters and updating the parameters for the dynamic equalization for subsequent processing of incoming signal; and providing an equalized output from the digital receiver. | 2012-04-26 |
20120099638 | Soft Cancellation Of Inter-Layer Interference Within A MIMO Codeword - A receiver for processing a received signal encoded with a codeword and mapped to two layers includes a plurality of equalizers for equalizing the received signal, a plurality of demodulators for demodulating a respective equalized signal, a decoder for decoding the demodulated signal by extracting soft bits from the demodulated signal, a modulator for modulating the decoded signal by generating soft symbols based on the extracted soft bits, a demapper for demapping the modulated signal to soft symbols corresponding to each of the two layers and a plurality of inter-layer interference cancellers for cancelling interference utilizing the demapped soft symbols wherein the demapped soft symbols are utilized also by the equalizers to reduce inter-symbol interference. | 2012-04-26 |
20120099639 | SYSTEMS AND METHODS FOR REDUCING THE TOTAL NUMBER OF BITS REQUIRED TO BE TRANSFERRED OVER A COMMUNICATIONS LINK FOR AN IMAGE | 2012-04-26 |
20120099640 | METHOD AND APPARATUS FOR VARIABLE ACCURACY INTER-PICTURE TIMING SPECIFICATION FOR DIGITAL VIDEO ENCODING - A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the relative timing of nearby video pictures to be encoded in a very efficient manner. In one embodiment, the display time difference between a current video picture and a nearby video picture is determined. The display time difference is then encoded into a digital representation of the video picture. In a preferred embodiment, the nearby video picture is the most recently transmitted stored picture. For coding efficiency, the display time difference may be encoded using a variable length coding system or arithmetic coding. In an alternate embodiment, the display time difference is encoded as a power of two to reduce the number of bits transmitted. | 2012-04-26 |
20120099641 | METHOD AND APPARATUS FOR ADJUSTING VIDEO COMPRESSION PARAMETERS FOR ENCODING SOURCE VIDEO BASED ON A VIEWER'S ENVIRONMENT - A policy enforcement device performs a method for adjusting video compression parameters for encoding source video based on a viewer's environment. The method includes: receiving, from a video receiving device, a video stream identifier indicating a video stream and a source of the video stream, wherein the video receiving device is remote from the source of the video stream; receiving an indication of environmental conditions of a viewer of the video stream using the video receiving device; determining a set of video compression parameters based on the indication of environmental conditions of the viewer; sending the set of video compression parameters to the identified source of the video stream to enable encoding of the video stream to a different compression level. | 2012-04-26 |
20120099642 | METHODS AND APPARATUS FOR SPATIALLY VARYING RESIDUE CODING - Methods and apparatus are provided for spatially varying residue coding. An apparatus includes a video encoder ( | 2012-04-26 |
20120099643 | METHOD OF MULTIPLEXING H.264 ELEMENTARY STREAMS WITHOUT TIMING INFORMATION CODED - Embodiments of the present invention multiplex elementary streams without timing information coded to create a transport stream. In some embodiments, ‘n’ number of access units are constructed and pushed into a list one by one. Each access unit is capable of looking ahead to obtain information on timing for the next access unit. A header is constructed by calculating timing information from the topmost access unit of the list. Said header is written in the transport stream and the remaining bytes of the transport stream are filled with data from the said elementary stream. Thus the transport stream is constructed. | 2012-04-26 |
20120099644 | PICTURE CODING METHOD, PICTURE DECODING METHOD, PICTURE CODING APPARATUS, PICTURE DECODING APPARATUS, AND PROGRAM THEREOF - A picture coding method of the present invention codes a picture signal and a ratio of a number of luminance pixels and a number of chrominance pixels for the picture signal, and then one coding method out of at least two coding methods is selected depending on the ratio. Next, data related to a picture size is coded in accordance with the selected coding method. The data related to the picture size indicates a size of the picture corresponding to the picture signal or an output area, which is a pixel area to be outputted in decoding in a whole pixel area coded in the picture signal coding. | 2012-04-26 |
20120099645 | METHOD AND APPARATUS FOR NON-LINEAR DECODING OF VIDEO FRAMES OF A VIDEO STREAM ENCODED USING AN INTRA MACROBLOCK REFRESH PROCESS - A video decoder system receives a user request for non-linear decoding of at least one video frame from a video stream encoded using an Intra macroblock refresh process. The request includes a first frame offset corresponding to a user requested first decoding frame within the video stream for commencing the non-linear decoding. The decoder system: determines an Intra-refresh period corresponding to at least one encoded Predictive frame in the video stream during which all macroblocks in the user requested first decoding frame are Intra encoded at least once; determines a second frame offset as a function of the Intra-refresh period and the user requested first frame offset, the second frame offset corresponding to a second decoding frame within the video stream. Finally, the decoder system decodes the video stream starting at the second decoding frame and suppresses the display of the video stream until the first decoding frame. | 2012-04-26 |
20120099646 | ADAPTIVE SCANNING OF TRANSFORM COEFFICIENTS FOR VIDEO CODING - In an example, an apparatus for decoding video data includes a video decoder that is configured to determine a number of transform coefficients associated with a block of video data, and to determine whether the number of transform coefficients exceeds a predetermined threshold. The video decoder is also configured to identify a scan order when the number of transform coefficients exceeds the predetermined threshold, wherein the scan order indicates an order in which the transform coefficients have been serialized from a two-dimensional array to a one-dimensional array, and to apply the scan order to inverse scan the number of transform coefficients associated with a block of video data. | 2012-04-26 |
20120099647 | METHOD AND APPARATUS FOR VARIABLE ACCURACY INTER-PICTURE TIMING SPECIFICATION FOR DIGITAL VIDEO ENCODING - A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the relative timing of nearby video pictures to be encoded in a very efficient manner. In one embodiment, the display time difference between a current video picture and a nearby video picture is determined. The display time difference is then encoded into a digital representation of the video picture. In a preferred embodiment, the nearby video picture is the most recently transmitted stored picture. For coding efficiency, the display time difference may be encoded using a variable length coding system or arithmetic coding. In an alternate embodiment, the display time difference is encoded as a power of two to reduce the number of bits transmitted. | 2012-04-26 |
20120099648 | Apparatus and Method for Decoding Picture Data - A coding apparatus for hierarchically (layering) coding top field data and bottom field data divided from each of a plurality of picture data composing a moving picture image has a first coding unit configured to encode one field data between two field data of the top field data and the bottom field data divided from the picture data, a conversion unit configured to interpolate first predicted image data generated by the first coding unit encoding above one field data and generate a second predicted image data of a scanning position of the other field data between the two field data, and a second coding unit configured to encode the other field data between the two field data based on the second predicted image data generated by the conversion unit. | 2012-04-26 |
20120099649 | METHOD AND APPARATUS FOR VARIABLE ACCURACY INTER-PICTURE TIMING SPECIFICATION FOR DIGITAL VIDEO ENCODING - A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the relative timing of nearby video pictures to be encoded in a very efficient manner. In one embodiment, the display time difference between a current video picture and a nearby video picture is determined. The display time difference is then encoded into a digital representation of the video picture. In a preferred embodiment, the nearby video picture is the most recently transmitted stored picture. For coding efficiency, the display time difference may be encoded using a variable length coding system or arithmetic coding. In an alternate embodiment, the display time difference is encoded as a power of two to reduce the number of bits transmitted. | 2012-04-26 |
20120099650 | METHOD AND APPARATUS FOR VARIABLE ACCURACY INTER-PICTURE TIMING SPECIFICATION FOR DIGITAL VIDEO ENCODING - A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the relative timing of nearby video pictures to be encoded in a very efficient manner. In one embodiment, the display time difference between a current video picture and a nearby video picture is determined. The display time difference is then encoded into a digital representation of the video picture. In a preferred embodiment, the nearby video picture is the most recently transmitted stored picture. For coding efficiency, the display time difference may be encoded using a variable length coding system or arithmetic coding. In an alternate embodiment, the display time difference is encoded as a power of two to reduce the number of bits transmitted. | 2012-04-26 |
20120099651 | METHOD TO IMPROVE DETECTION OF MOTION WITH PHASE CORRELATION - Phase correlation is an established method for computing motion which relies on the ability to find peaks in a computed phase correlation surface. Two methods to improve the ability to detect peaks in the phase correlation surface are described herein. The first method applies a theoretically-derived and spatially-varying gain to the phase correlation surface. The gain compensates for peaks whose amplitudes have been decreased due to windowing effects; such effects are unavoidable in phase correlation. The second method uses concepts from matched filters to improve detection of peaks whose amplitudes are diminished due to a spreading of the peak energy into surrounding positions in the phase correlation surface. Peak detection filters allow such low-amplitude peaks to be properly detected. It is possible to use only the first method, or only the second method or both methods combined. | 2012-04-26 |
20120099652 | METHOD AND APPARATUS FOR SCALABLE MOTION VECTOR CODING - A method and apparatus for scalable coding of a motion vector generated during motion estimation, in which a generated motion vector field is separated into a base layer and an enhancement layer according to pixel accuracies to obtain a layered structure for a motion vector. In addition, the motion vector field has a layered structure including a base layer composed of motion vectors of blocks larger than or equal to a predetermined size and at least one enhancement layer composed of motion vectors of blocks smaller than a predetermined size. | 2012-04-26 |
20120099653 | METHOD AND APPARATUS FOR VARIABLE ACCURACY INTER-PICTURE TIMING SPECIFICATION FOR DIGITAL VIDEO ENCODING - A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the relative timing of nearby video pictures to be encoded in a very efficient manner. In one embodiment, the display time difference between a current video picture and a nearby video picture is determined. The display time difference is then encoded into a digital representation of the video picture. In a preferred embodiment, the nearby video picture is the most recently transmitted stored picture. For coding efficiency, the display time difference may be encoded using a variable length coding system or arithmetic coding. In an alternate embodiment, the display time difference is encoded as a power of two to reduce the number of bits transmitted. | 2012-04-26 |
20120099654 | VIDEO DECODING METHOD - Video decoding device is disclosed. The video decoding device comprises a demultiplexer, a first decoder and a controller. The demultiplexer receives a Transport Stream to recover video Packetized Elementary Stream (PES) to determine a presentation time stamp (PTS) and a decoding time stamp (DTS) in a PES header of the PES. The first decoder retrieves a video frame from the video PES to determine temporal reference of the video frame. The controller receives the PTS, the DTS, and the temporal reference to determine whether there is a missing video frame. | 2012-04-26 |
20120099655 | IMAGE ENCODER AND METHOD FOR ENCODING IMAGES - There is provided a method and a device for encoding a digital representation of an image into a single encoded image, comprising: generating at least two subsequent image data sequences each representing a portion of the digital representation of the image, inputting to an encoder ( | 2012-04-26 |
20120099656 | TRANSMITTING SYSTEM, RECEIVING DEVICE, AND A VIDEO TRANSMISSION METHOD - A stream transmitting system for transmitting a data stream, which has first layer including base data and second layer including data supplementing the base data, includes a transmitting device and a receiving device. The transmitting device includes: a transmission control unit for packetizing the data of the first layer and the data of the second layer to output a data packet of the first layer and a data packet of the second layer; first transmitting unit for transmitting the data packet of the first layer to the receiving device through first transmission path; and second transmitting unit for transmitting the data packet of the second layer to the receiving device through second transmission path. The receiving device includes: first receiving units for receiving the data packet transmitted through the first transmission paths; and a reception control unit for reconstructing a hierarchically-encoded data stream. | 2012-04-26 |
20120099657 | IMAGE DECODING DEVICE, IMAGE CODING DEVICE, IMAGE DECODING METHOD, IMAGE CODING METHOD, PROGRAM, AND INTEGRATED CIRCUIT - An image decoding device and an image coding device are each capable of using spatial dependence across a boundary between slices to smoothly execute parallel processing. The image decoding device includes: a first decoding unit ( | 2012-04-26 |
20120099658 | METHOD AND APPARATUS FOR ENCODING VIDEO, AND METHOD AND APPARATUS FOR DECODING VIDEO - Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according to depths, by encoding the at least one split region, based on a depth that deepens in proportion to the number of times the region of the maximum coding unit is split; and outputting image data constituting the final encoding result according to the at least one split region, and encoding information about the coded depth and a prediction mode, according to the at least one maximum coding unit. | 2012-04-26 |
20120099659 | Method and Apparatus for Improving Utilization of Broadcast Channel Frame and Method and Apparatus for Using Padding Portion - The present invention discloses a method for improving utilization of broadcast channel frames comprising determining whether auxiliary data exists in multiplexing data of a multiplexing frame upon generation of the multiplexing frame and encapsulating the auxiliary data in a filled portion of the multiplexing frame if yes. The present invention also discloses a method for using a filled portion of a multiplexing frame comprising a receiving terminal decoding multiplexing data in the monitored multiplexing frame, monitoring redundant data in the filled portion of the multiplexing frame when determining that an error code occurs in the decoded multiplexing data, and recovering data with the error code in the multiplexing frame using the redundant data. The present invention also discloses an apparatuses for implementing the above methods. The present invention improves channel utilization. | 2012-04-26 |
20120099660 | RECEIVING SYSTEM AND METHOD FOR PROCESSING DIGITAL BROADCAST SIGNAL IN THE RECEIVING SYSTEM - A transmitting system, a receiving system, and a method of processing broadcast signals are disclosed. The method for processing a broadcast signal in a broadcast receiver comprises receiving a DTV signal including a data group, the data group including mobile service data, segmented known data sequences, long known data sequences and transmission parameter data, compensating carrier frequency offset of the DTV signal and channel-equalizing the carrier frequency offset compensated DTV signal using at least one of the long known data sequences and segmented known data sequences in the data group of the DTV signal, wherein the channel-equalizing includes performing a Error Correction (FEC) decoding on data located between the segmented known data sequences, and estimating Channel Impulse Response (CIR) using the FEC decoded data as known data. | 2012-04-26 |
20120099661 | POWER LINE COMMUNICATIONS APPARATUS - Apparatus and system for communicating data via a power line. The apparatus comprises a transmitter comprising a modulator for generating a second digital signal based on input data; a digital buffer for amplifying the second digital signal to generate a third digital signal; a filter for filtering the third digital signal to generate an analog output waveform; and a coupler for coupling the analog output waveform to the power line. | 2012-04-26 |
20120099662 | Communication Protocol Method And Apparatus For A Single Wire Device - The present invention is a noise tolerant communication protocol device and method where a clock signal input, triggers an internal delay clock in an integrated circuit. Data is presented to an input pin and sampled prior to the next external clock pulse based on the internal delay clock. A data pulse value is distinguished by input signal voltage level and not by pulse length. Sampling of data bits is deferred until a signal level is most likely stable, thereby avoiding sampling during periods around edges of changing data values. Therefore, error detection and correction circuitry is not required. A time reference pulse, produced by a bus master, is measured by the protocol device, in determine a data transmission rate by the master. The timing of sampling of input signaling from the master is determined by the protocol, device from measurement of the time reference pulse magnitude. | 2012-04-26 |
20120099663 | Portable Cellular Base Station Configuration - A method and apparatus for configuring a portable first cellular base station to operate in a digital cellular telecommunications network includes: placing the first cellular base station in the digital cellular telecommunications network; detecting with a radio receiver at least one second operating cellular base station within the digital cellular telecommunications network; demodulating a first transmission of the at least one second cellular base station transmitter to obtain a first data stream; predictively modifying the first data stream to create a modified first data stream; correlating at least one periodic portion of the modified first data stream to form an enhanced data signal; decoding the enhanced data signal to obtain information including at least the location area code for the at least one second operating cellular base station and a neighbor list of neighboring cellular base station scrambling codes; and configuring the first cellular base station to have the same scrambling code as one of the neighboring cellular base stations, a different location area code from that neighboring cellular base station, and not to connect to any cell phone attempting to initiate a connection with it. | 2012-04-26 |
20120099664 | METHOD OF MULTIPLE FRAME TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM AND TRANSMITTER - A method for multiple frame transmission in a wireless communication system and a transmitter are provided. The transmitter transmits a request to send (RTS) frame to a receiver. The RTS frame has a first bandwidth. The transmitter receives a clear to send (CTS) frame as a response of the RTS frame from the receiver to establish a transmission opportunity (TXOP) indicating an interval of time when the transmitter has the right to transmit at least one data frame. The CTS frame has a second bandwidth. The transmitter transmits a plurality of data frames sequentially to the receiver during the TXOP. | 2012-04-26 |
20120099665 | DATA PROCESSING APPARATUS AND METHOD - A data processor maps input symbols to be communicated onto a predetermined number of sub-carrier signals of an Orthogonal Frequency Division Multiplexed (OFDM) symbol. The data processor includes an interleaver memory which reads-in the predetermined number of data symbols for mapping onto the OFDM sub-carrier signals. The interleaver memory reads-out the data symbols on to the OFDM sub-carriers to effect the mapping, the read-out being in a different order than the read-in, the order being determined from a set of addresses, with the effect that the data symbols are interleaved on to the sub-carrier signals. The set of addresses are generated from an address generator which comprises a linear feedback shift register and a permutation circuit. | 2012-04-26 |
20120099666 | Method and Arrangement for Adapting a Signal in a Wireless Communications Network - According to an aspect of the present invention, the power efficiency of a precoded OFDM signal is improved by a method in a network node | 2012-04-26 |
20120099667 | Transmitting high rate data within a MIMO WLAN - A method for transmitting high rate data within a multiple input multiple output (MIMO) wireless local area network (WLAN) begins by determining a data transmission rate. The method continues by, when the data transmission rate is between a first data rate and a second data rate, enabling two transmission paths. The method continues by, for each of the two transmission paths, determining at least one of: level of constellation, number of data subcarriers, rate code, and cyclic prefix duration. | 2012-04-26 |
20120099668 | TRANSMISSION METHOD, TRANSMITTER, AND RECEIVER FOR MULTI ANTENNA WIRELESS COMMUNICATION SYSTEM - A transmitter includes first generator to generate pilot source signal by modulating pilot sequence, second generator to generate data source signal with time length longer than that of pilot source signal by modulating data sequence, first cyclic shifter to perform cyclic shift of first shift amount to pilot source signal to generate first pilot signal, second cyclic shifter to performs cyclic shift of second shift amount to data source signal to generate first data signal, third cyclic shifter to perform cyclic shift of third shift amount to pilot source signal to generate second pilot signal, fourth cyclic shifter to perform cyclic shift of fourth shift amount to data source signal to generate second data signal, first transmit antenna to transmit first pilot signal and first data signal, and second transmit antenna to transmit second pilot signal and second data signal. | 2012-04-26 |
20120099669 | DIRTY PAPER CODING AND REFERENCE SIGNAL DESIGN - A method of wireless communication includes receiving a signal comprising an encoded downlink reference signal (DL-RS) modified by an effective channel. The encoded DL-RS is encoded based on crosstalk interference. The method further includes estimating the effective channel. | 2012-04-26 |
20120099670 | COMMUNICATIONS SYSTEM SUPPORTING MULTIPLE SECTOR SIZES - In one embodiment, a configurable communications system accommodates a plurality of different transmission word sizes. In a transmit path, the system inserts a number of padding bits corresponding to missing user-data bits onto the end of an input data sequence to generate a set of data having N bits. The N bits are interleaved and error-correction (EC) encoded to generate parity bits corresponding to an EC codeword. The parity bits are de-interleaved and multiplexed with the input data stream to generate a transmission word. In a receive path, a channel detector recovers channel values corresponding to the transmission word. Padding values, corresponding to the missing-bit locations, are inserted among the channel values. The resulting channel values are interleaved and EC decoded to recover the EC codeword. The data bits of the codeword are de-interleaved, and the padding bits corresponding to the missing channel values are discarded. | 2012-04-26 |
20120099671 | DIGITAL-INTENSIVE SIGNAL PROCESSOR - A digital-intensive signal processor including a signal converting module and a feedback module in a closed timing loop. The signal converting module converts a control signal to an output signal with phase/frequency related to the control signal. The feedback module detects the phase difference between a reference signal and a feedback signal and generates an original control signal based on the phase difference, so as to keep the phases of the output signal and the reference signal related. The feedback signal is associated with the output signal. The control signal includes the original control signal and a signal to be processed. The phase difference, original control signal, control signal, or output signal is a processed signal corresponding to the signal to be processed. | 2012-04-26 |
20120099672 | MEDIA PROCESSING METHOD, DEVICE AND SYSTEM - A streaming media processing method, device and system are disclosed in the embodiments of the present invention. The streaming media processing method includes: judging whether a transcoding is required according to the current bandwidth of a user terminal and a code rate of a pre-stored code stream, if yes, selecting a code stream of which the code rate is higher than the current bandwidth of the user terminal from the pre-stored code stream to perform the transcoding, and outputting the code stream matching the current bandwidth of the user terminal to the user terminal. The embodiments of the present invention enable the user terminal to obtain the streaming media of higher quality by effectively utilizing the bandwidth. | 2012-04-26 |
20120099673 | METHODS AND APPARATUSES FOR COMPENSATION OF I/Q IMBALANCE - Methods for compensation of imbalance between I (In-phase) and Q (Quadrature) signal paths ( | 2012-04-26 |
20120099674 | ANTENNA CONFIGURATION FOR CO-OPERATIVE BEAMFORMING - The present invention relates to a method for communicating in a network, the network comprising at least a first cell and a second cell including respectively a first primary station having a first antenna array dedicated to the first cell and a second primary station having a second antenna array dedicated to the second cell, for communicating with a plurality of secondary stations, the method comprising the step of (a) providing with a co-operative beamforming transmission from the first and second primary stations to at least one first secondary station, wherein step (a) includes (a1) the first secondary station signaling at least one channel matrix to at least one of the first and second primary stations, and (a2) the first and second primary stations applying a precoding matrix across both the first antenna array and the second antenna array, and wherein the precoding matrix comprises a first vector for the first cell and a second vector for the second cell, the precoding matrix being based on the at least one channel matrix. | 2012-04-26 |
20120099675 | TRANSMISSION CIRCUIT AND COMMUNICATION DEVICE - Provided is a transmission circuit which allows smooth switching of the operation mode when switching the operation mode of the transmission circuit. A power amplifier | 2012-04-26 |
20120099676 | RECEPTION APPARATUS AND METHOD, DEMODULATION APPARATUS AND METHOD, AND PROGRAM - A reception apparatus includes: a reception section configured to receive a signal modulated by one of a single-carrier scheme and a multi-carrier scheme that are specified by a predetermined standard; a single-carrier demodulation section configured to execute single-carrier demodulation based on the single-carrier scheme onto the signal; a multi-carrier demodulation section configured to execute multi-carrier demodulation based on the multi-carrier scheme onto the signal; and a demodulation control section configured to control such that one of the single-carrier demodulation and the multi-carrier demodulation is tried on the received signal in accordance with a preset predetermined rule. | 2012-04-26 |
20120099677 | SIGNAL RECEIVING APPARATUS, SIGNAL RECEIVING METHOD AND SIGNAL RECEIVING PROGRAM - A signal receiving apparatus includes: a processing unit configured to carry out Fourier transform on Fourier-transform data serving as a Fourier-transform object and carry out Fourier transform on inverse-Fourier-transform data serving as an inverse-Fourier-transform object; and a control unit configured to output pieces of data obtained as a result of the Fourier transform carried out on the Fourier-transform data in an order, in which the pieces of data have been obtained, in a process of outputting the pieces of data and output other pieces of data obtained as a result of the Fourier transform carried out on the inverse-Fourier transform data by rearranging the other pieces of data in a process of outputting the other pieces of data. | 2012-04-26 |
20120099678 | Drift Cancellation Technique for Use in Clock-Forwarding Architectures - A circuit includes a frequency synthesizer, N phase mixers coupled to the frequency synthesizer, a plurality of receivers, and a calibration circuit. The frequency synthesizer is to receive a reference clock signal and is to output a primary clock signal. A respective phase mixer in the N phase mixers is to output a respective secondary clock signal having a corresponding phase. A respective receiver in the plurality of receivers is coupled to two of the N phase mixers, and at a respective time is to receive data in accordance with the respective secondary clock signal from one of the two phase mixers coupled to the respective receiver. The calibration circuit is to calibrate a secondary clock signal output by a respective phase mixer in the N phase mixers by adjusting the phase of the secondary clock signal of the respective phase mixer. | 2012-04-26 |
20120099679 | RECEIVING APPARATUS AND RECEIVING METHOD - A receiving apparatus and reception method reduces degradation due to multipath interference without increasing the amount of computation even in a system that has a large number of subcarriers. A signal detector, using the symbol replica generated by symbol replica generator and the channel estimate which a channel estimator estimated based on the received pilot signal, suppresses interference attributed to delayed waves exceeding the GI and outputs a suppressed signal for the received signal. A demodulator decodes the signal of which interference has been alleviated, to determine code bit LLR as bit likelihood information. A decoder performs an error correction decoding process on the input code bit LLR. If no error exists in the result of error correction decoding, the decoder outputs information bits to complete the reception process. If there is an error in the decoded result, the decoder outputs the code bit LLR to symbol replica generator. | 2012-04-26 |
20120099680 | Combining Soft Decisions In A Weather Band Radio - According to one aspect of the present invention, an apparatus is provided to enable weather band radio signals to be received and processed using a digital signal processor (DSP). The DSP can include functionality to implement both frequency modulation (FM) demodulation and weather band data demodulation, i.e., specific area encoding (SAME) demodulation. In one such embodiment, soft decision samples of a SAME message can be combined, and based on a combined result, a hard decision unit can generate a bit value of weather band data. | 2012-04-26 |
20120099681 | RECEPTION APPARATUS, RECEPTION METHOD, AND PROGRAM - A reception apparatus is disclosed which includes: a detection section configured to detect the presence or absence of spectrum inversion in data transmitted by a multi-carrier transmission system based on whether a known signal can be decoded using that part of the transmitted data which has been transmitted by carriers used for transmitting the known signal; and a correction section configured to correct the data transmitted by the multi-carrier transmission system if the presence of spectrum inversion is detected. | 2012-04-26 |
20120099682 | DIVERSITY RECEPTION DEVICE - A diversity reception device includes a power combiner to combine electric powers of OFDM signals, each OFDM signal being received by a first antenna and second antenna, a switch to change connections between branched output-ports of the first and second antennas, in mid-stream of effective symbol periods, the effective symbol periods are assigned respectively in each of symbol periods of the OFDM signals, a receiver to demodulate the OFDM signals, a phase shifter to shift phases of the OFDM signals received by the second antenna, and an arithmetic and control processing circuit to calculate complex correlation coefficient between a guard interval, assigned in each of the symbol periods associated with the first antenna, and a copy-source interval, assigned in each of the symbol periods associated with the second antenna, and to determine rotation angle on the basis of the complex correlation coefficient. | 2012-04-26 |
20120099683 | DEMODULATION DEVICE - There is provided a demodulation device including: a demodulation unit demodulating an input signal to thereby output a signal of IQ coordinates; and a first noise elimination circuit eliminating a noise in the signal of the IQ coordinates that is output from the demodulation unit, in which the first noise elimination circuit includes: a first subtracter subtracting a first noise replica signal from the signal of the IQ coordinates that is output from the demodulation unit; an error information generation unit calculating error information of an output signal of the first subtracter to an ideal signal point of the IQ coordinates; a first frequency detection unit detecting a frequency of the noise based on the error information; and a first amplitude adjusting unit adjusting an amplitude of the first noise replica signal based on the error information and the frequency of the noise detected in the first frequency detection unit to output the first noise replica signal to the first subtracter. | 2012-04-26 |
20120099684 | Frequency Interference Detection And Correction - A system for detecting and correcting for spurious frequencies that may coincide in a bandwidth of interest in an RF metrology system. The system can (1) utilize a deterministic scheme to detect an interference by a spurious frequency and correct the distortion effect or (2) utilize a mixed signal processing architecture to avoid the occurrence of spurious frequency contamination. A detection scheme identifies the event of distortion and triggers either (a) a shift in the analog to digital convert sample rate or (b) a mathematical vector manipulation. The shift of the analog to digital convert sample rate moves an aliased image of the spurious frequency outside of the frequency of interest. The mathematical vector correction removes the distortion and restores the signal of interest. | 2012-04-26 |
20120099685 | Broadband Tuner for Very Wide Signal Conversion - An agile RF tuner circuit capable of converting a wide portion of RF signal into an IF signal suitable for analog-to-digital conversion. The circuit up converts a received RF signal to a high IF signal and then down converts the high IF signal to a low IF signal. Embodiments of the RF circuit incorporate harmonic reject mixers to suppress harmonics and intermodulations typically associated with the frequency conversion process. | 2012-04-26 |
20120099686 | Broadband Tuner for Very Wide Signal Conversion - An agile RF tuner circuit capable of converting a wide portion of RF signal into an IF signal suitable for analog-to-digital conversion. The circuit up converts a received RF signal to a high IF signal and then down converts the high IF signal to a low IF signal. Embodiments of the RF circuit incorporate harmonic reject mixers to suppress harmonics and intermodulations typically associated with the frequency conversion process. | 2012-04-26 |
20120099687 | METHOD AND SYSTEM OF SYNCHRONIZING DATA TO REFERENCE TIME SIGNAL WITH DATA RESAMPLING - A device receives a data signal and a reference timing signal provided from a first clock. The device includes a sample clock that operates independently from the first clock, wherein the sample clock outputs a sample clock signal that is asynchronous with the reference timing signal; a sampler for sampling a data signal in accordance with the sample clock signal and outputting a sampled data signal; and a resampler for resampling the sampled data signal according to a resampling ratio and outputting a resampled data signal such that a number of data samples in the resampled data signal within a synchronization time interval defined with respect to the reference timing signal equals a nominal number of data samples that would occur in the sampled data signal within the synchronization time interval when the sample clock signal was synchronized to the reference timing signal. | 2012-04-26 |
20120099688 | OVERSAMPLING CIRCUIT, SERIAL COMMUNICATION APPARATUS AND OVERSAMPLING METHOD - An oversampling circuit includes: a generation unit configured to generate multiphase serial data by delaying serial data by a predetermined time; and an oversampling unit configured to oversample the multiphase serial data by using multiphase clocks, wherein a phase difference of the multiphase serial data is set to be a sum of an oversampling interval used in the oversampling circuit and an integral multiple of a phase difference of the multiphase clocks. | 2012-04-26 |
20120099689 | Detection of Jitter in a Communication Network - The present invention is concerned with a method, a network entity and computer program for detecting occurrence of transmission resynchronizations in a network carrying packets subject to variable delays. The present invention is further concerned with adaptively varying the play out time of data packets. According to a method embodying the invention, the packets are received at a network entity and forwarded by the network entity by delaying them of a jitter protection time. The method comprises determining (S | 2012-04-26 |
20120099690 | DEVICE FOR MEASURING TEMPERATURE COEFFICIENT OF MODERATOR AND METHOD FOR MEASURING TEMPERATURE COEFFICIENT OF MODERATOR - A moderator temperature coefficient measuring device include a control rod driving device; a reactivity measurement processing unit capable of measuring the reactivity of the reactor; an inflow temperature sensor for sensing the inflow temperature of a reactor coolant flowing into the reactor; an outflow temperature sensor for sensing the outflow temperature of the reactor coolant flowing out of the reactor; an average temperature measurement processing unit for measuring the average temperature from the sensed inflow and outflow temperatures; an power control unit for providing control so that the reactor delivers constant thermal power; and a temperature coefficient calculating unit for calculating the temperature coefficient of the reactor coolant based on the amount of change in reactivity between before and after the insertion of the control rod and the amount of change in average temperature between before and after the insertion of the control rod under the constant thermal power. | 2012-04-26 |
20120099691 | SUPPORT STRUCTURE FOR A CONTROL ROD ASSEMBLY OF A NUCLEAR REACTOR - A control rod guide frame comprises a self supporting stack of two or more columnar elements defining a central passage. The columnar elements may include mating features that mate at abutments between adjacent columnar elements of the stack. The control rod guide frame is suitably used in conjunction with a control rod drive mechanism (CRDM) operatively connected with at least one control rod, and a nuclear reactor core, in which the CRDM moves the at least one control rod into and out of the nuclear reactor core under guidance of the control rod guide frame. In another embodiment, a control rod guide frame comprises a stack of two or more columnar elements defining a central passage having a constant cross-section as a function of position along the central passage. In another embodiment, a control rod guide frame comprises an extruded columnar element providing continuous control rod guidance. | 2012-04-26 |
20120099692 | SUBMERSIBLE MACHINE STRUCTURED TO CARRY A TOOL TO A LIMITED ACCESS LOCATION WITHIN A NUCLEAR CONTAINMENT - A tool for delivery of a testing element to a limited access location within a nuclear containment includes a rotation apparatus having a connection element that is configured to have an aperture that is formed generally centrally therein. A submersible machine is structured to carry the tool to a limited access location within a nuclear containment. The submersible machine includes a mount apparatus configured to be movably clamped onto a steam dam of a nuclear reactor apparatus and to drive the submersible machine circumferentially along the steam dam to inspect a plurality of jet pumps or other limited access locations of the nuclear reactor apparatus. The improved submersible machine advantageously further includes an adjustment table between the mount apparatus and a frame that carries the tool to enable rapid accurate positioning of the frame, and thus the tool, once the submersible machine has been mounted to the steam dam. | 2012-04-26 |
20120099693 | UNIRRADIATED NUCLEAR FUEL COMPONENT TRANSPORT SYSTEM - An unirradiated nuclear fuel assembly and fuel component shipping cask that employs a liner with a universal, removable, reusable axial restraint device that can accommodate various fuel assembly designs. The restraint device has a top shear plate with a groove that encircles its peripheral edge and mates with corresponding rails on each of the walls of the liner. The top shear plate includes an anchoring mechanism for supporting a side of the top shear plate against an abutting side of a stationary wall of the liner. | 2012-04-26 |
20120099694 | FAST REACTOR - A fast reactor | 2012-04-26 |
20120099695 | FUEL GUIDE PIN, FUEL GUIDE PIN ATTACHMENT METHOD, CORE PLATE, AND NUCLEAR REACTOR - A fuel guide pin to be fixed to a core plate includes a shrink fit portion | 2012-04-26 |
20120099696 | SHIFT REGISTER, ELECTRONIC DEVICE, CONTROL METHOD AND SOFTWARE PROGRAM PRODUCT - Disclosed is a shift register ( | 2012-04-26 |
20120099697 | Selected Image Acquisition Technique to Optimize Patient Model Construction - A system and a method are disclosed that allows for generation of a model or reconstruction of a model of a subject based upon acquired image data. The image data can be acquired in a substantially mobile system that can be moved relative to a subject to allow for image acquisition from a plurality of orientations relative to the subject. The plurality of orientations can include a first and final orientation and a predetermined path along which an image data collector or detector can move to acquire an appropriate image data set to allow for the model of construction. | 2012-04-26 |
20120099698 | BRUSH WITH BRUSH ELEMENTS FOR TRANSMITTING CURRENT AT A SLIDING SURFACE - One embodiment includes a brush for transmitting current at a sliding surface between gantry parts of a medical imaging system moving relative to one another. The brush includes brush elements that are designed and/or arranged such that the brush elements contact the sliding surface spaced apart from one another. Ends of the brush elements touch the sliding surface separately from one another. | 2012-04-26 |
20120099699 | Sample cup holding device - Sample cup holding devices including a base member with a top side, a bottom side, and one or more apertures extending from the top side to the bottom side, each of the one or more apertures for receiving a sample cup and maintaining the sample cup in a substantially vertical position, and a method for using same are provided. | 2012-04-26 |
20120099700 | APPARATUS AND METHOD FOR IMPROVED TRANSIENT RESPONSE IN AN ELECTROMAGNETICALLY CONTROLLED X-RAY TUBE - An x-ray tube assembly includes a vacuum enclosure including a cathode portion, a target portion, and a throat portion. The throat portion includes a magnetic field section, upstream section, and downstream section. The magnetic field section has a first susceptibility to generate eddy currents in the presence of a magnetic field intensity. The upstream section is coupled to the cathode portion and the magnetic field section and has a second susceptibility to generate eddy currents in the presence of the magnetic field intensity. The downstream section is coupled to the magnetic field section and has a third susceptibility to generate eddy currents in the presence of the magnetic field intensity. The first susceptibility to generate eddy currents is less than the second and third susceptibilities to generate eddy currents. The assembly includes a target within the target portion, and a cathode within the cathode portion. | 2012-04-26 |
20120099701 | APPARATUS AND METHOD FOR IMPROVED TRANSIENT RESPONSE IN AN ELECTROMAGNETICALLY CONTROLLED X-RAY TUBE - An x-ray tube assembly includes a vacuum enclosure having a cathode portion, a target portion, and a throat portion comprising a non-electrically conductive tube. The throat portion has an upstream end coupled to the cathode portion and a downstream end coupled to the target portion. The x-ray tube assembly also includes a target positioned within the target portion of the vacuum enclosure, and a cathode positioned within the cathode portion of the vacuum enclosure. The cathode is configured to emit a stream of electrons through the throat portion toward the target. | 2012-04-26 |
20120099702 | CORRECTION METHOD FOR DIFFERENTIAL PHASE CONTRAST IMAGING - The present invention generally refers to a correction method for grating-based X-ray differential phase contrast imaging (DPCI) as well as to an apparatus which can advantageously be applied in X-ray radiography and tomography for hard X-ray DPCI of a sample object or an anatomical region of interest to be scanned. More precisely, the proposed invention provides a suitable approach that helps to enhance the image quality of an acquired X-ray image which is affected by phase wrapping, e.g. in the resulting Moiré interference pattern of an emitted X-ray beam in the detector plane of a Talbot-Lau type interferometer after diffracting said X-ray beam at a phase-shifting beam splitter grating. This problem, which is further aggravated by noise in the obtained DPCI images, occurs if the phase between two adjacent pixels in the detected X-ray image varies by more than π radians and is effected by a line integration over the object's local phase gradient, which induces a phase offset error of π radians that leads to prominent line artifacts parallel to the direction of said line integration. | 2012-04-26 |
20120099703 | ANODE DISK ELEMENT COMPRISING A HEAT DISSIPATING ELEMENT - The present invention relates to X-ray tube technology in general. Most of the energy applied to the focal spot via electron bombardment is converted to heat; the generation of electromagnetic radiation may be considered to be quite inefficient. One of the central limitations of X-ray tubes is the cooling, thus the dissipation of heat, of the anode element, in particular the focal track. Consequently, an anode disk element that may sustain increased heat while still maintaining structural integrity and furthermore that may provide improved dissipation of heat from the focal track is presented. According to the present invention, an anode disk element ( | 2012-04-26 |
20120099704 | METHOD AND SYSTEM FOR REAL-TIME DMLC-BASED TARGET TRACKING WITH OPTIMAL MOTION COMPENSATING LEAF ADAPTATION - A method of multileaf collimator (MLC) leaf positioning in tracking-based adaptive radiotherapy is provided. The method includes determining a radiotherapy beam pattern by transforming a treatment beam plan into radiotherapy beam coordinates, determining a dose discrepancy between the radiotherapy beam pattern and a deliverable MLC aperture, where the dose discrepancy includes a sum of an overdose cost and an underdose cost to a treatment volume, and minimizing the dose discrepancy, where the dose discrepancy minimization provides a determined deliverable MLC aperture for the radiotherapy beam. | 2012-04-26 |
20120099705 | RADIOGRAPHIC APPARATUS AND RADIOGRAPHIC SYSTEM - A radiographic apparatus includes a guide housing, a first grating unit, a radiological image detector and a grating pattern unit. The guide housing houses a first grating unit, the grating pattern unit, and a radiological image detector and supports a subject to which radiation is irradiated. The grating pattern unit includes a periodic form having a period and masks a radiological image formed by the radiation having passed through the first grating. The radiological image detector detects a masked radiological image which is formed by masking the radiological image by the grating pattern unit. The first grating unit and the grating pattern unit are supported by the guide housing with a buffer material being interposed between the first grating unit and the grating pattern unit and an inner wall of the guide housing. | 2012-04-26 |
20120099706 | GRID FOR RADIOGRAPHY AND MANUFACTURING METHOD THEREOF, AND RADIATION IMAGING SYSTEM - In an X-ray imaging system, first and second grids are disposed between an X-ray source and an X-ray image detector, and produce fringe images. From the fringe images, phase change information of X-rays is obtained. The phase change information provides contrast for an X-ray image. The first and second grids have similar configuration. Each grid is constituted of a grid layer and a support member. The grid layer includes X-ray absorbing portions and X-ray transparent portions arranged alternately in one direction. Each X-ray transparent portion contains hollow space having air trapped therein, for the purpose of reducing an X-ray absorption loss. | 2012-04-26 |
20120099707 | APPARATUS AND METHOD FOR IMPROVED TRANSIENT RESPONSE IN AN ELECTROMAGNETICALLY CONTROLLED X-RAY TUBE - An x-ray tube assembly includes a vacuum enclosure that has a cathode portion, a target portion, and a throat portion. The throat portion includes a metal bellows. An upstream end of the throat portion is coupled to the cathode portion and a downstream end of the throat portion is coupled to the target portion. The x-ray tube assembly also includes a target positioned within the target portion of the vacuum enclosure, and a cathode positioned within the cathode portion of the vacuum enclosure. The cathode is configured to emit a stream of electrons through the throat portion toward the target. | 2012-04-26 |
20120099708 | APPARATUS AND METHOD FOR IMPROVED TRANSIENT RESPONSE IN AN ELECTROMAGNETICALLY CONTROLLED X-RAY TUBE - An x-ray tube assembly includes a vacuum enclosure that includes a cathode portion, a target portion, and a throat portion having a plurality of recesses formed therein to break up eddy currents generated in the throat portion. The throat portion has an upstream end coupled to the cathode portion and a downstream end coupled to the target portion. The x-ray tube assembly also includes a target positioned within the target portion of the vacuum enclosure, and a cathode positioned within the cathode portion of the vacuum enclosure. The cathode is configured to emit a stream of electrons through the throat portion toward the target. | 2012-04-26 |
20120099709 | DEVICE AND METHOD TO GENERATE X-RAY RADIATION WITH TWO SPECTRA - In a device, a method and a computer-readable storage medium encoded with programming instructions to generate x-ray radiation to examine a subject with at least two spectra respectively of x-ray radiation of different average photon energies, an x-ray tube is used that has at least two foci that are different from one another, and the device is operated to switch between the foci in order to generate x-ray radiation. A spectrum of x-ray radiation respectively emanates from each focus. A filter is associated with the x-ray tube such that the spectrum of x-ray radiation emanating from one of the foci is not filtered by the filter and the spectrum of x-ray radiation emanating from another of the foci is filtered by the filter, such that the average photon energy of the filtered spectrum of x-ray radiation is higher than the average photon energy of the unfiltered spectrum of x-ray radiation. | 2012-04-26 |
20120099710 | Cargo Scanning System - The present application is directed to a portable inspection system for generating an image representation of target objects using a radiation source. A detector array having a first configuration and a second configuration is connected to a housing and at least one source of radiation. The radiation source is capable of being transported to a site by a vehicle and of being positioned separate from the housing. The radiation source is housed in a radiation source box and movable within the radiation source box using an actuator. The actuator is operably connected to the radiation source and provides a translational energy that moves the radiation source between an operational position and a stowed position. | 2012-04-26 |
20120099711 | TELECOMMUNICATION FRAUD PREVENTION SYSTEM AND METHOD - A system for monitoring of telephone calls on a plurality of inbound and outbound voice channels made to and originating from a common private branch exchange (PBX) to detect fraudulent activity. Monitors and detects audio data on two or more of the voice channels. Includes analysis of binary data streams on at least one inbound voice channel and at least one outbound voice channel and comparing said streams by a sliding window to slide a sample frame of one channel binary data stream backwards and/or forwards relative to the other binary data stream to synchronize the inbound voice channel and outbound voice channel. The comparison determines if a data match is present between the compared inbound channel and the outbound channel and blocks the at least one outbound voice channel, if a data match is found with at least one inbound voice channel. | 2012-04-26 |
20120099712 | Computer-Based Method of Generating a Unique Non-Repeating Sequence Number - The present invention is a method and system for generating a unique, non-repeating, and sequential number. Specifically, the invention is a computer-aided system, method, and product that generates a unique, non-repeating, and non-overlapping sequence number for emergency medical services providers that is independent of the initial provider. The numbering system allows emergency medical service providers to continue to use their existing incident report generating system, but provides them with a unique incident number to connect to the report that does not overlap with other unique incident numbers generated by other emergency medical service providers. | 2012-04-26 |
20120099713 | METHOD AND SYSTEM OF PROVIDING INTERACTIVE SPEECH RECOGNITION BASED ON CALL ROUTING - A speech recognition process and system are used for interactive telecommunication. A caller is prompted for input. Each of the phrases represents a destination for routing the call. The response utterance is matched by the system to one of the phrases and the call is routed to the corresponding destination. If the call thereafter has been redirected to a destination representing another of the phrases, speech recognition training data are generated for mapping the utterance to the redirected destination. | 2012-04-26 |
20120099714 | System and method for controlled call handling - A telephone call management system is provided including a local system and a central site server using improved blocked or restricted call means including network traffic management. Decisions to allow or block a call to called parties are accomplished by using flagged indicators associated with certain called telephone numbers, with subsequent verification of a central database. The system includes management software capable of implementing widespread or local changes to the system and is further capable of modifying or setting any number of user account parameters. | 2012-04-26 |