13th week of 2013 patent applcation highlights part 35 |
Patent application number | Title | Published |
20130077641 | Systems, Circuits and Methods for Time Stamp Based One-Way Communications - A circuit includes an input terminal for receiving an input signal and a time stamp circuit including an input and an output. The input is coupled to the input terminal. The time stamp circuit includes a timer, and the output is for providing a time stamp based on a value of the timer in response to receiving the input signal. The circuit further includes an encoder including an input coupled to the output of the time stamp circuit and configured to encode the time stamp into a packet. The circuit also includes a transmitter configured to transmit the packet. | 2013-03-28 |
20130077642 | SYSTEMS AND METHODS UTILIZING RANDOMIZED CLOCK RATES TO REDUCE SYSTEMATIC TIME-STAMP GRANULARITY ERRORS IN NETWORK PACKET COMMUNICATIONS - Systems and methods are disclosed for utilizing slave (receive) time-stamp clock rates that are different from master (sender) time-stamp clock rates to randomize and thereby reduce systematic time-stamp granularity errors in the communication of network packets. The slave (receive) time-stamp clock rate for some embodiments is set to be a fixed value that has a relationship with the master (sender) time-stamp clock rate such that the ratio of the slave (receive) clock rate to the master (sender) clock rate is a rational number. Other embodiments use a time-varying frequency for the slave (receive) time-stamp clock rate to randomize the slave (receive) time-stamp clock with respect to the master (sender) time-stamp clock. Additional time-stamps can also be generated using a slave (receive) time-stamp clock having a rate set to equal the rate of the master (sender) time-stamp clock signal. Further spread spectrum and/or delta-sigma modulation techniques can be applied to effectively randomize the slave (receive) time-stamp clock. | 2013-03-28 |
20130077643 | RECIPROCATING LASER SCANNING DEVICE - The present invention is a sweeping or reciprocating laser scanning device. The reciprocation or sweeping motion is cam driven. As the cam rotates, a lever arm is reciprocated or oscillated between two positions, which causes the laser or beam of light to move linearly, thus creating a triangular plane of light resulting in a reciprocating linear reference across the hypotenuse of the triangular plane of light. | 2013-03-28 |
20130077644 | METHOD FOR DETERMINING STABILIZATION OF LIGHT OUTPUT SIGNAL AND LASER FREQUENCY STABILIZING DEVICE - A method for determining stabilization of a light output signal employed by a laser frequency stabilizing device which irradiates laser light on an absorption cell to obtain the light output signal and, based on a saturated absorption line contained in the light output signal, changes a resonator length to stabilize an oscillation frequency of the laser light to a specific saturated absorption line. The laser frequency stabilizing device includes a conversion mechanism converting the laser light that passes through the absorption cell into the light output signal, an actuator changing the resonator length, and a control mechanism controlling operation of the actuator. The method for determining stabilization includes a signal analysis step analyzing the light output signal and a stabilization determination step determining whether the light output signal is stabilized based on an analysis result from the signal analysis step, executed by the control mechanism. | 2013-03-28 |
20130077645 | High-Power, Phase-Locked, Laser Arrays - High-power, phased-locked, laser arrays as disclosed herein utilize a system of optical elements that may be external to the laser oscillator array. Such an external optical system may achieve mutually coherent operation of all the emitters in a laser array, and coherent combination of the output of all the lasers in the array into a single beam. Such an “external gain harness” system may include: an optical lens/mirror system that mixes the output of all the emitters in the array; a holographic optical element that combines the output of all the lasers in the array, and an output coupler that selects a single path for the combined output and also selects a common operating frequency for all the coupled gain regions. | 2013-03-28 |
20130077646 | AUTOMATIC MODULATION CONTROL FOR MAINTAINING CONSTANT EXTINCTION RATIO (ER), OR CONSTANT OPTICAL MODULATION AMPLITUDE (OMA) IN AN OPTICAL TRANSCEIVER - To a laser that has no tracking error a desired laser modulation current to maintain constant Optical Modulation Amplitude (OMA) is closely proportional to the laser bias current, lb, at any temperature when the laser is under constant power according to embodiments. To a laser that has tracking error a desired laser modulation current to maintain constant Optical Extension Ratio (ER) is closely proportional to the laser bias current, lb, at any temperature when the laser is under constant power according to embodiments. This phenomenon is appears apply to many if not all types of lasers. A laser modulation control is provided that determines a modulation current based on the laser bias current. Thus, embodiments may maintain performance and compensate for temperature changes without the need to actually measure temperature thereby eliminating the need for temperature sensors and their associated parameter vs. temperature look-up tables or dithering techniques used in the past. | 2013-03-28 |
20130077647 | SURFACE-EMISSION LASER DEVICES, SURFACE-EMISSION LASER ARRAY HAVING THE SAME, ELECTROPHOTOGRAPHIC SYSTEM AND OPTICAL COMMUNICATION SYSTEM - A surface-emission laser device comprises an active layer, cavity spacer layers provided at both sides of the active layer, reflection layers provided at respective sides of the cavity spacer layers, the reflection layers reflecting an oscillation light oscillated in the active layer and a selective oxidation layer. The selective oxidation layer is provided between a location in the reflection layer corresponding to a fourth period node of the standing wave distribution of the electric field of the oscillating light and a location in the reflection layer adjacent to the foregoing fourth period node in the direction away from the active layer and corresponding to an anti-node of the standing wave distribution of the electric field of the oscillation light. | 2013-03-28 |
20130077648 | SURFACE EMITTING SEMICONDUCTOR LASER AND METHOD OF MANUFACTURE THEREOF - A VECSEL-type surface-emitting semiconductor laser device is manufactured by providing a first component part ( | 2013-03-28 |
20130077649 | MEASURING THE DAMAGE TO A TURBINE-BLADE THERMAL BARRIER - A method for evaluating damage to a thermal barrier applied to a component made from a metal substrate, the thermal barrier including a sublayer of aluminium and a layer of columnar-structure ceramic material, the sub-layer being positioned between the substrate and the ceramic layer, the method including: a first calibration including selection of a determined number of calibration components that have undergone various degrees of damage, exposing them for a given length of time to radiation, measuring temperature obtained at the surface after the given length of time and establishing a curve connecting an increase in temperature to damage, and a second measuring the damage to the thermal barrier of the component including exposure to the radiation for the length of time, measuring the temperature obtained, and relating the increase in temperature to the calibration curve in order, from the curve, to extract the level of damage. | 2013-03-28 |
20130077650 | Thermographic Test Method and Testing Device for Carrying Out the Test Method - A thermographic test method locally resolves detection and identification of defects near the surface in a test object. A surface area of the test object is heated up. A series of thermographic images following one after another at a time interval is recorded within a heat propagation phase, each image representing a local temperature distribution in a surface region of the test object recorded by the image. Positionally correctly assigned temperature profiles are determined from the images, each positionally correctly assigned temperature profile being assigned to the same measuring region of the test object surface. Variations over time of temperature values are determined from the temperature profiles for a large number of measuring positions of the measuring region. These variations are evaluated on the basis of at least one evaluation criterion indicative of the heat flow in the measuring region. | 2013-03-28 |
20130077651 | WAFTER TESTING APPARATUS - A wafer testing apparatus includes a temperature controller for comparing a predetermined first dew point with a second dew point in a prober, and a dry air controller for controlling an amount of dry air supplied into the prober based on a comparison result of the temperature controller. | 2013-03-28 |
20130077652 | APPARATUS FOR MEASURING TEMPERATURE AND METHOD FOR MEASURING TEMPERATURE - Disclosed herein are an apparatus for measuring temperature and a method for measuring temperature. The apparatus includes: a resistive type sensor having a resistor and sensing pressure or motion to output an electric signal; a sensor signal processor processing the signal outputted from the resistive type sensor to compute a value corresponding to pressure or motion; a temperature dependent frequency signal generator connected to the resistive type sensor, and generating a temperature dependent frequency signal by using current variation information according to the temperature variation of the resistive type sensor; and a temperature compensation signal generator processing the signal outputted from the temperature dependent frequency signal generator to output temperature variation information. The apparatus can sense inertia, pressure, or the like and measure the temperature at the same time, and thus, compactness and low power consumption of the apparatus for measuring various kinds of pressures or inertia can be realized. | 2013-03-28 |
20130077653 | TEMPERATURE SENSOR AND HYDROGEN-FILLED SYSTEM - A temperature sensor excellent in durability under a high-pressure atmosphere of hydrogen is provided. The temperature sensor includes a thermistor element body comprising an oxide sintered body, a pair of lead wires each electrically connected to the element body and comprising Pt or a Pt alloy, and a sealing glass sealing the element body and a part of the lead wires including a portion connected to the element body. The pair of lead wires comprising any of Pt, an alloy comprising Pt and one or two of Ir and Pd, and an alloy of Pd and Ir, and the temperature sensor is used under an atmosphere of hydrogen. | 2013-03-28 |
20130077654 | Method and Network for Data Transmission Between a Plurality of Radio Stations - This method for transmitting data between a plurality of radio stations of one same network, each station having a transmitter and a receiver, comprises: a first transmission mode in which the network operates with frequency hopping in a first frequency plan, the frequency used for data transmission being maintained for a FH dwell time, and changing from one FH dwell time to another as per a law of frequency change; a second transmission mode in a second frequency plan in which a transmitter station (A) transmits data on a fixed frequency to a receiver station (B), the second mode comprising a step ( | 2013-03-28 |
20130077655 | COMMUNICATION DEVICE WITH INTELLIGENT FREQUENCY HOPPING CHANNEL SELECTION CAPABILITY - A communication device is disclosed, having a transceiving circuit, a timer circuit, and a control circuit. The transceiving circuit is used to transceive frequency hopping signals according to at least part of good channels in a channel map. The timer circuit is used to calculate a timespan of one or more communication intervals in which the transceiving circuit transceives the frequency hopping signals. The control circuit is used to compare the timespan with a time threshold to determine whether signal transmission tests with one or more bad channels in the channel map should be performed to update the channel map. | 2013-03-28 |
20130077656 | RADIO TRANSMISSION APPARATUS AND RADIO TRANSMISSION METHOD - Disclosed are a radio transmission device and a radio transmission method which can reduce a processing amount or a memory amount while maintaining the randomizing effect of other cell interference. When using as a reference signal, a ZC sequence of the sequence length uniquely correlated to a transmission bandwidth of a reference signal, as the transmission bandwidth becomes smaller and the sequence length of the ZC sequence becomes shorter, the sequence is switched at a shorter time interval and as the transmission bandwidth becomes greater and the sequence length of the ZC sequence becomes longer, the switching is performed at a longer time interval. Thus, a reference signal is generated by using the ZC sequence in accordance with the timing into which the reference signal transmission bandwidth and the sequence are switched. | 2013-03-28 |
20130077657 | 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. | 2013-03-28 |
20130077658 | SPATIALLY RANDOMIZED PILOT SYMBOL TRANSMISSION METHODS, SYSTEMS AND DEVICES FOR MULTIPLE INPUT/MULTIPLE OUTPUT (MIMO) WIRELESS COMMUNICATIONS - Compressive sampling is used to generate pilot symbols to be transmitted over an array of antennas in a MIMO wireless communications device. A pilot symbol is transmitted over the array of antennas according to a spatially randomized antenna transmission function that randomly changes across the array of antennas. The randomized antenna transmission function may randomly select/deselect antennas and/or randomly change amplitude and/or phase of the pilot symbol transmission. Channel estimates can be constructed at a receiver based on the spatially randomized pilot symbols that were transmitted. | 2013-03-28 |
20130077659 | COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - A communication apparatus including: a transmitter that transmits a first message to another communication apparatus, a receiver that receives a second message from the other communication apparatus, and a processor that performs time synchronization using the first message and the second message, wherein the processor generates information regarding a delay in the communication processing of the first message in the transmitter and the second message in the receiver in a communication layer in communication with the other communication apparatus, and the processor performs the time synchronization with the other communication apparatus based on the information regarding the delay in a time synchronization layer above the communication layer. | 2013-03-28 |
20130077660 | SIGNAL TRANSMISSION METHOD AND APPARATUS USING CODEBOOK IN WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTIPLE ANTENNAS - The present invention relates to a method for transmitting, by a base station, a downlink signal using a plurality of transmission antennas comprises the steps of: applying a precoding matrix indicated by the PMI, received from a terminal, in a codebook to a plurality of layers, and transmitting the precoded signal to the terminal through a plurality of transmission antennas. Among precoding matrices included in the codebook, a precoding matrix for even number transmission layers can be a 2×2 matrix containing four matrices (W1s), the matrix (W1) having rows of a number of transmission antennas and columns of half the number of transmission layers, the first and second columns of the first row in the 2×2 matrix being multiplied by 1, the first column of the second row being multiplied by coefficient “a” of a phase, and the first column of the second row being multiplied by “−a”. | 2013-03-28 |
20130077661 | BASE STATION AND METHOD FOR CHANNEL CODING AND LINK ADAPTATION - A base station is arranged for performing channel coding and link adaptation. The base station comprises one or more processors and physical layer circuitry arranged to decode symbols received from a user station to determine an error rate, the symbols received through a plurality of antennas, receive signaling from the user station, the signaling including channel quality information for channel resources of an orthogonal frequency division multiplexed (OFDM) channel, select a modulation and coding rate for transmission of symbols to the user station based at least in part on the error rate, and transmit a transmit power control command to the user station, the transmit power control command based at least in part on a downlink path loss estimate. The base station may also transmit additional transmit power control commands to the user station based on the error rate of subsequently decoded symbols. The transmit power control command may be selected for channel resources that are allocated to the user station, the channel resources comprising a group of subcarriers having an initially selected modulation and coding rate. | 2013-03-28 |
20130077662 | SYSTEMS AND METHODS FOR DIGITAL INTERFACE TRANSLATION - Systems and methods of digital interface translation are described. One embodiment of the invention includes multiple receiver lanes, where at least one of the receiver lanes is configured to receive a data channel at a first data rate and encoded in accordance with an input digital interface standard, an auxiliary channel input configured to receive an auxiliary data channel, and a single transmitter lane configured to output a single data channel at a second data rate and encoded in accordance with an output digital interface standard. In addition, the multilane to single lane digital interface translator is configured to decode the received data into data streams, and interleave the data streams to form packets, the multilane to single lane digital interface translator is configured to insert auxiliary data received via the auxiliary channel input and idle data between the packets to produce an output data stream that is rate matched to the second data rate, and the multilane to single lane digital interface translator is configured to encode the output data stream in accordance with the output digital interface standard. | 2013-03-28 |
20130077663 | PROCESSOR FOR PROCESSING DIGITAL DATA WITH PIPELINED BUTTERFLY OPERATOR FOR THE EXECUTION OF AN FFT/IFFT AND TELECOMMUNICATION DEVICE - A processor for processing digital data includes at least one butterfly operator for execution of a fast Fourier transform computation, the butterfly operator having a pipeline architecture for synchronized receiving and processing of input data according to a clock signal. This pipeline architecture includes a plurality of elements including addition, subtraction, and multiplication hardware modules and links for synchronized transmission of data between the modules. At least one element of this pipeline architecture is configurable by at least one programmable parameter, between a first configuration wherein the butterfly operator performs the fast Fourier transform computation and a second configuration wherein the butterfly operator performs a metric computation of an implementation of a channel decoding algorithm. | 2013-03-28 |
20130077664 | METHOD AND SYSTEM FOR ASSOCIATION BETWEEN CONTROLLER AND DEVICE IN HOME NETWORK - A system and method for associating a controller and a device in a home network. The method includes using a master modem for: (a) registering unique information of a specific device when a controller requests a registration of the specific device; (b) receiving information including unique information of a household device from a slave modem using the home network; (c) determining whether the unique information of the household device exists on the registered information; (d) if it is determined that the unique information of the household device does not exist, requesting an exclusion of the household device requesting the association and excluding the household device from the home network association; and (e) if it is determined that the unique information of the household device exists, performing the home network association by transmitting the unique information of the household device, which is received from the slave modem, to the controller. | 2013-03-28 |
20130077665 | WIRELESS TRANSMISSION APPARATUS AND SELF-CHECKING METHOD OF WIRELESS TRANSMISSION APPARATUS - A wireless transmission apparatus includes a service processing unit, a duplexer, a radio frequency receiving unit, a frequency synthesizer, and a controller. The controller controls, according to a reduced TR interval, the frequency synthesizer to adjust a frequency of a local oscillation signal which is output by the frequency synthesizer to the radio frequency receiving unit. The service processing unit continues to send a service signal as a self-checking signal, and a part of the self-checking signal leaks into the radio frequency receiving unit through the duplexer. After the radio frequency receiving unit mixes a received signal with the local oscillation signal, a frequency of the self-checking signal included in an output signal falls within a pass-band range of an intermediate frequency receiving unit, which ensures that the self-checking signal can be looped back to the service processing unit, thereby determines whether a fault occurs in its own transmission channel. | 2013-03-28 |
20130077666 | WIRELESS REMOTE SENSING SYSTEM USING SURFACE ACOUSTIC WAVE SENSOR - In an ON state, a first switch generates a transmission signal by pulse modulating a carrier. A SAW sensor outputs a reception signal after a delay from receipt of the transmission signal. In an input state, a second switch receives and transmits the transmission signal to the SAW sensor. In an output state, the second switch receives and outputs the reception signal. A SAW delay element outputs a local signal after the delay from receipt of the transmission signal. A mixer generates a synchronous detection signal by mixing the reception and local signals. During the input state of the second switch, the first switch switches from the OFF state, to the ON state, and back to the OFF state. The second switch switches from the input state to the output state before the delay after the first switch switches back to the OFF state. | 2013-03-28 |
20130077667 | APPARATUS FOR DECOUPLING A RADIO-FREQUENCY SIGNAL TRANSMITTED ON A DATA TRANSMISSION LINE - An apparatus for decoupling a radio-frequency signal transmitted on a data transmission line having a first line element and a second line element, or for decoupling interference voltages includes: a tapping module, connected to the first and second line elements at a first tapping location of the data transmission line, for decoupling the radio-frequency signal or interference voltages; a current probe module, coupled to the first line element at a second tapping location of the data transmission line; and an output capable of being matched to different input impedances of a device connected to the output. | 2013-03-28 |
20130077668 | ADAPTIVE FILTER WITH REDUCED COMPUTATIONAL COMPLEXITY - An adaptive filter is disclosed, having a plurality of computation groups, a plurality of computation circuits, a summation circuit, a slicer circuit, an updating circuit, and a control circuit. Each computation group corresponds to an equalization parameter and has a plurality of memory cells. When the corresponding equalization parameter of a computation group is greater than a predetermined value, the control circuit configures the computation group and the computation circuit to collaboratively generate an output of the computation group. The summation circuit sums up the outputs of the computation groups to produce a filter output. The slicer circuit generates a slicer output according to the filter output. The updating circuit updates the equalization parameters according to the filter output and the slicer output. | 2013-03-28 |
20130077669 | Method of Compensating for Nonlinearity in a DFE-based Receiver - A receiver has an input and a decision feedback equalizer (DFE). The DFE couples to the receiver input and has at least one tap coefficient. An input signal, having a first amplitude level insufficient to cause significant non-linear distortion in the receiver, is applied to the receiver input. After the DFE adapts to the applied input signal having the first amplitude level by adjusting the at least one tap coefficient, the adaptation process is stopped. Then the at least one tap coefficient is scaled by a factor α and the amplitude of input signal is adjusted to a second amplitude level greater than the first amplitude level by the scale factor α. Although the second amplitude level might be sufficient to cause significant non-linear distortion in the receiver, the scaled tap coefficient has the correct values for proper DFE operation in the presence of the non-linear distortion. | 2013-03-28 |
20130077670 | IMPAIRMENT COVARIANCE AND COMBINING WEIGHT UPDATES DURING ITERATIVE TURBO INTERFERENCE CANCELLATION RECEPTION - 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 strategy is used in which after each stage of interference cancellation, impairment covariance is parametrically updated and combining weights of the receiver are adapted to reflect the updated impairment covariance. | 2013-03-28 |
20130077671 | ENCODING APPARATUS AND ENCODING METHOD - The present invention relates to an encoding apparatus and an encoding method capable of reducing the overhead on a macroblock basis. A number of reference image decision unit | 2013-03-28 |
20130077672 | IMAGE PROCESSING APPARATUS AND METHOD - The disclosure relates to an image processing apparatus and method that can improve encoding efficiency. The image processing apparatus includes: an intra prediction unit that performs intra prediction by using a plurality of prediction modes and selects an optimum prediction mode, based on an obtained result of prediction; an updating unit that updates allocation of code number for the respective prediction modes of the intra prediction performed by the intra prediction unit such that a smaller value is allocated to a prediction mode with a higher frequency of occurrence; and an encoding unit that encodes a code number allocated to the prediction mode of the intra prediction, executed by the intra prediction unit, the code number being allocation according to the updated code number allocation. The technology is applicable to, for example, an image processing apparatus. | 2013-03-28 |
20130077673 | Multi-processor compression system - In one embodiment, a method includes receiving data for compression at a first network device comprising an initial processing portion of a compression system, performing one or more processes to prepare the data for entropy encoding, compacting the data, and transmitting the compacted data to a second network device comprising an entropy encoding portion of the compression system. The first and second network devices include independent processors. An apparatus and system are also disclosed. | 2013-03-28 |
20130077674 | METHOD AND APPARATUS FOR ENCODING MOVING PICTURE - A method and apparatus for encoding a moving picture. The apparatus may encode video data with high resolution in parallel without requiring communication between processors that are complex and are sensitive to time. | 2013-03-28 |
20130077675 | QUALITY-BASED VIDEO COMPRESSION - Various embodiments are disclosed herein that relate to quality-based video encoding. For example, one disclosed embodiment provides a video compression system configured to compress a video item at a constant average quality to form compressed video data. Further, the system is configured to compare a bit rate of each portion of a plurality of portions of the compressed video data to a threshold bit rate, and if a bit rate of a selected portion of the compressed video data meets or exceeds the threshold bit rate, then adjust a compression process variable while compressing a segment of the video item corresponding to the selected portion of the compressed video data to reduce the bit rate of the portion of the compressed video data. | 2013-03-28 |
20130077676 | IMAGE PROCESSING DEVICE AND METHOD - The present disclosure relates to an image processing device and method capable of improving the coding efficiency. The image processing device includes: a correction unit that corrects the relation between a quantization parameter for a luminance component of image data and a quantization parameter for a chrominance component of the image data using an extended area offset value which is an offset value to be applied to a quantization process for an area that is larger than a predetermined size within an image of the image data; a quantization parameter generating unit that generates the quantization parameter for the chrominance component of the area that is larger than the predetermined size from the quantization parameter for the luminance component based on the relation corrected by the correction unit; and a quantization unit that quantizes the data of the area using the quantization parameter generated by the quantization parameter generation unit. The present disclosure can be applied to an image processing device, for example. | 2013-03-28 |
20130077677 | REFERENCE PICTURE LIST CONSTRUCTION FOR VIDEO CODING - Techniques are described related to constructing reference picture lists. The reference picture lists may be constructed from reference picture subsets of a reference picture set. In some examples, the reference picture subsets may be ordered in a particular manner to form the reference picture lists. | 2013-03-28 |
20130077678 | REFERENCE PICTURE LIST CONSTRUCTION FOR VIDEO CODING - Techniques are described related to constructing reference picture lists. The reference picture lists may be constructed from reference picture subsets of a reference picture set. In some examples, the techniques may repeatedly list reference pictures identified in the reference picture subsets until the number of entries in the reference picture list is equal to the maximum number of allowable entries in the reference picture list. | 2013-03-28 |
20130077679 | VIDEO CODING WITH SUBSETS OF A REFERENCE PICTURE SET - Techniques are described related to deriving a reference picture set. A reference picture set may identify reference pictures that can potentially be used to inter-predict a current picture and picture following the current picture in decoding order. In some examples, deriving the reference picture set may include constructing a plurality of reference picture subsets that together form the reference picture set. | 2013-03-28 |
20130077680 | DECODED PICTURE BUFFER MANAGEMENT - Techniques are described related to output and removal of decoded pictures from a decoded picture buffer (DPB). The example techniques may remove a decoded picture from the DPB prior to coding a current picture. For instance, the example techniques may remove the decoded picture if that decoded picture is not identified in the reference picture set of the current picture. | 2013-03-28 |
20130077681 | REFERENCE PICTURE SIGNALING AND DECODED PICTURE BUFFER MANAGEMENT - Techniques are described related to performing random access starting from a random access point picture that is not an instantaneous decoder refresh picture. Some techniques are also related to reducing the amount of information that is signaled for long-term reference pictures of a reference picture set. Additional techniques are also related to decoded picture buffer management, such as removing decoded pictures based on a temporal identification value. | 2013-03-28 |
20130077682 | VIDEO ENCODING METHOD AND VIDEO ENCODING APPARATUS AND VIDEO DECODING METHOD AND VIDEO DECODING APPARATUS, WHICH PERFORM DEBLOCKING FILTERING BASED ON TREE-STRUCTURE ENCODING UNITS - A method of encoding a video is provided, the method includes: determining a filtering boundary on which deblocking filtering is to be performed based on at least one data unit from among a plurality of coding units that are hierarchically configured according to depths indicating a number of times at least one maximum coding unit is spatially spilt, and a plurality of prediction units and a plurality of transformation units respectively for prediction and transformation of the plurality of coding units, determining filtering strength at the filtering boundary based on a prediction mode of a coding unit to which pixels adjacent to the filtering belong from among the plurality of coding units, and transformation coefficient values of the pixels adjacent to the filtering boundary, and performing deblocking filtering on the filtering boundary based on the determined filtering strength. | 2013-03-28 |
20130077683 | SYSTEM AND METHOD FOR INTRACODING AND DECODING VIDEO DATA - A video system for coding a stream of video data that includes a stream of video frames divides each video frame into a matrix of a plurality of subblocks, wherein each subblock includes a plurality of pixels. The video system operates in accordance with nine prediction modes. Each prediction mode determines a prediction mode according to which a present subblock is to be coded. One of the nine prediction modes is selected to encode the present subblock, wherein the selected prediction mode provides for a minimum error value in the present subblock. | 2013-03-28 |
20130077684 | Signaling of prediction size unit in accordance with video coding - Signaling of prediction size unit in accordance with video coding. In accordance with video coding, various binarization may be performed. In accordance with coding related to different types of slices (e.g., I, P, B slices), one or more binary trees may be employed for performing various respective operations (e.g., coding unit | 2013-03-28 |
20130077685 | REFERENCE PICTURE LIST CONSTRUCTION FOR VIDEO CODING - Techniques are described related to modifying an initial reference picture list. The example techniques may identify a reference picture in at least one of the reference picture subsets used to construct the initial reference picture. The example techniques may list the identified reference picture in a current entry of the initial reference picture list to construct a modified reference picture list. | 2013-03-28 |
20130077686 | IMAGE ENCODING METHOD AND DEVICE, AND DECODING METHOD AND DEVICE THEREFOR - A video encoding method and apparatus and a video decoding method and apparatus. In the video encoding method, a first predicted coding unit of a current coding unit that is to be encoded is produced, a second predicted coding unit is produced by changing a value of each pixel of the first predicted coding unit by using each pixel of the first predicted coding unit and at least one neighboring pixel of each pixel, and the difference between the current coding unit and the second predicted coding unit is encoded, thereby improving video prediction efficiency. | 2013-03-28 |
20130077687 | CODING REFERENCE PICTURES FOR A REFERENCE PICTURE SET - Techniques are described related to coding of long-term reference pictures for a reference picture set. In some examples, a video coder may code candidate long-term reference pictures in a parameter set. The video coder also code syntax elements that indicate which long-term reference pictures from the candidate long-term reference pictures belong in the reference picture set. | 2013-03-28 |
20130077688 | INTERPOLATION OF VIDEO COMPRESSION FRAMES - Coding techniques for a video image compression system involve improving an image quality of a sequence of two or more bi-directionally predicted intermediate frames, where each of the frames includes multiple pixels. One method involves determining a brightness value of at least one pixel of each bi-directionally predicted intermediate frame in the sequence as an equal average of brightness values of pixels in non-bidirectionally predicted frames bracketing the sequence of bi-directionally predicted intermediate frames. The brightness values of the pixels in at least one of the non-bidirectionally predicted frames is converted from a non-linear representation. | 2013-03-28 |
20130077689 | METHOD AND APPARATUS FOR PROCESSING A VIDEO SIGNAL - The present invention relates to a method and apparatus for encoding or decoding a video signal. According to the present invention, a plurality of reference units for image prediction of the current unit is acquired and combined to obtain a unit prediction value, thereby improving the accuracy of image prediction. More particularly, the present invention relates to a method for inducing a variety of reference units using a motion vector prediction value or a motion vector which is used in conventional inter-prediction, and also relates to a method which combines the reference units so as to obtain the prediction value for the current unit. In addition, the present invention relates to a method which involves acquiring a plurality of reference units for a merging mode, and combining the reference units so as to perform image prediction. | 2013-03-28 |
20130077690 | Firmware-Based Multi-Threaded Video Decoding - Embodiments of the present disclosure provide electronic devices and methods for equipping a multi-threaded processor with firmware instructions to configure threads to perform dedicated functions to expedite decoding of video data. In a particular embodiment, an electronic device includes a multi-threaded processor and a memory. The memory includes firmware including instructions executable by the multi-threaded processor, without use of a dedicated hardware macroblock decoding module, to decode video data compliant with a VP | 2013-03-28 |
20130077691 | PARALLELIZATION FRIENDLY MERGE CANDIDATES FOR VIDEO CODING - This disclosure presents methods and systems for coding video in merge mode of a motion vector prediction process. A method of coding video data may determining a merge candidate set for a current prediction unit of a current coding unit, wherein the merge candidate set is determined without comparing motion information of a merge candidate in the merge candidate set to motion information of any other prediction units, and performing a merge motion vector prediction process for the current prediction unit using the merge candidate set. The method may further comprise excluding merge candidates from the merge candidate set that are within another prediction unit of the current coding unit. | 2013-03-28 |
20130077692 | REGION SIZING FOR MACROBLOCKS - Coding techniques for a video image compression system involve improving an image quality of a sequence of two or more bi-directionally predicted intermediate frames, where each of the frames includes multiple pixels. One method involves determining a brightness value of at least one pixel of each bi-directionally predicted intermediate frame in the sequence as an equal average of brightness values of pixels in non-bidirectionally predicted frames bracketing the sequence of bi-directionally predicted intermediate frames. The brightness values of the pixels in at least one of the non-bidirectionally predicted frames is converted from a non-linear representation. | 2013-03-28 |
20130077693 | INTERPOLATION OF VIDEO COMPRESSION FRAMES - Coding techniques for a video image compression system involve improving an image quality of a sequence of two or more bi-directionally predicted intermediate frames, where each of the frames includes multiple pixels. One method involves determining a brightness value of at least one pixel of each bi-directionally predicted intermediate frame in the sequence as an equal average of brightness values of pixels in non-bidirectionally predicted frames bracketing the sequence of bi-directionally predicted intermediate frames. The brightness values of the pixels in at least one of the non-bidirectionally predicted frames is converted from a non-linear representation. | 2013-03-28 |
20130077694 | IMAGE CODING METHOD, IMAGE DECODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS - An image coding method of coding an image on a per coding unit basis, the method comprising: applying a frequency transform to luminance data and chrominance data of transform units in the coding unit including predetermined blocks each corresponding to one or more of the transform units; and coding the luminance data and the chrominance data to which the frequency transform has been applied to generate a bitstream in which the luminance data and the chrominance data are grouped on a per predetermined block basis. | 2013-03-28 |
20130077695 | IMPLEMENTATION OF A DV VIDEO DECODER WITH A VLIW PROCESSOR AND A VARIABLE LENGHT DECODING UNIT - A decoder for decoding a plurality of digital video data is described. In an embodiment, the decoder comprises a DV video decoder for decoding digital video data which is formatted according to the DV standard. The DV video decoder has a Very-Long Instruction Word (VLIW) processor and a variable length decoding unit. The VLIW processor includes a preparser unit for recovering a decoding order of the digital video data so that the variable length decoding unit can process the digital video data. The variable length decoding unit decodes a variable length coding format of the digital video data which has been preparsed by the VLIW processor. Furthermore, the VLIW processor includes a decompression unit for decompressing the digital video data which has been decoded by the variable length decoding unit. In an embodiment, the VLIW processor and the variable length decoding unit are formed on the same semiconductor device. | 2013-03-28 |
20130077696 | Method and System for Lossless Coding Mode in Video Coding - A method for coding a video sequence is provided that includes encoding a portion of a picture in the video sequence in lossless coding mode, and signaling a lossless coding indicator in a compressed bit stream, wherein the lossless coding indicator corresponds to the portion of a picture and indicates whether or not the portion of the picture is losslessly coded. A method for decoding a compressed video bit stream is provided that includes determining that lossless coding mode is enabled, decoding a lossless coding indicator from the compressed video bit stream, wherein the lossless coding indicator corresponds to a portion of a picture in the compressed video bit stream and indicates whether or not the portion of the picture is losslessly coded, and decoding the portion of the picture in lossless coding mode when the lossless coding indicator indicates the portion of the picture is losslessly coded. | 2013-03-28 |
20130077697 | Adaptive loop filtering in accordance with video coding - Adaptive loop filtering in accordance with video coding. An adaptive loop filter (ALF) and/or other in-loop filters (e.g., sample adaptive offset (SAO) filter, etc.) may be implemented within various video coding architectures (e.g., encoding and/or decoding architectures) to perform both offset and scaling processing, only scaling processing, and/or only offset processing. Operation of such an ALF may be selective in accordance with any of multiple respective operational modes at any given time and may be adaptive based upon various consideration(s) (e.g., desired complexity level, processing type, local and/or remote operational conditions, etc.). For example, an ALF may be applied to a decoded picture before it is stored in a picture buffer (or digital teacher buffer (DPB)). An ALF can provide for coding noise reduction of a decoded picture, and the filtering operations performed thereby may be selective (e.g., on a slice by slice basis, block by block basis, etc.). | 2013-03-28 |
20130077698 | ENCODER OF E-8VSB FORWARD ERROR CORRECTION FOR DIGITAL TELEVISION SYSTEM OF ATSC - Provided is an error correcting encoder and, more particularly, to an error correcting encoder used for an improved transmission method of the Advanced Television System Committee (ATSC), and a method thereof. The error correcting encoder for digital television broadcasting, which is suggested in the present research, includes a robust encoder for encoding a one-bit input into robust encoded data; a pre-coding block for receiving the robust encoded data and performing pre-coding to thereby produce a pre-coded signal; and a trellis encoding block for performing trellis encoding on the robust encoded data and the pre-coded signal. | 2013-03-28 |
20130077699 | METHODS AND SYSTEMS FOR CONTROL, MANAGEMENT AND EDITING OF DIGITAL AUDIO/VIDEO SEGMENT DURATION WITH REMAPPED TIME CODE - Methods and systems are provided for time altering one or more discrete digital audio/video program segments, each program segment having distinct In time and Out time code points. Data from the digital program segments are received from a data source and decoded. The decoded data are modulated as a serial data stream. The modulated decoded data are provided to a time altering processor to remove or duplicate frame positions to time alter the frame sequence. The resulting time altered serial data stream is demodulated to provide buffered program segment data. The buffered and time altered program segments are encoded and provided in a desired file or streaming format. Audio synchronization with the video is maintained by duplication or removal of audio samples corresponding to the duplicated or removed video frames. | 2013-03-28 |
20130077700 | SOFT REPETITION CODE COMBINER USING CHANNEL STATE INFORMATION - An embodiment is a method and apparatus to decode a signal using channel information. A channel state estimator generates a tone value representing channel information. A quantizer quantizes the tone value. A combiner combines de-interleaved symbols weighed by the quantized tone value. A comparator compares the combined de-interleaved symbols with a threshold to generate a decoding decision. Another embodiment is a method and apparatus to decode a signal using averaging. A channel estimator provides a channel estimate. A multiplier multiplies a quantized output of a demodulator with the channel estimate to produce N symbols of a signal corresponding to a carrier. A de-interleaver de-interleaves the N symbols. An averager averages the N de-interleaved symbols to generate a channel response at a carrier. | 2013-03-28 |
20130077701 | METHOD AND INTEGRATED CIRCUIT FOR ADJUSTING THE WIDTH OF AN INPUT/OUTPUT LINK - A method and apparatus are described for adjusting a bit width of an input/output (I/O) link established between a transmitter and a receiver. The I/O link has a plurality of bit lanes. The transmitter may send to the receiver a command identifying at least one selected bit lane of the I/O link that will be powered off or powered on in response to detecting that a bit width adjustment threshold of the I/O link has been reached. | 2013-03-28 |
20130077702 | Serial data transmission system and method - A serial data transmission system, includes a transmitting terminal for transmitting a data, a receiving terminal for receiving the data transmitted by the transmitting terminal, a first connecting capacitor connected between the transmitting terminal and the receiving terminal, and a second connecting capacitor connected between the transmitting terminal and the receiving terminal, wherein the transmitting terminal comprises a transmitting terminal driver unit and an amplitude detection unit connected with the transmitting terminal driver unit, the transmitting terminal driver unit outputs a pair of differential signals, the amplitude detection unit detects an amplitude variation of the differential signals output by the transmitting terminal driver unit, and outputs an indication signal indicating whether the transmitting terminal and the receiving terminal are properly connected with each other. A serial data transmission method is further provided. | 2013-03-28 |
20130077703 | RETRANSMISSION METHOD FOR HARQ IN MIMO SYSTEMS - In a closed-loop wireless communication system ( | 2013-03-28 |
20130077704 | JOINT CODING METHOD BASED ON BINARY TREE AND CODER - The present invention provides a method and a coder for jointly coding Pre-coding Matrix Index # | 2013-03-28 |
20130077705 | Codebook Performance For Non-Linear Arrays - A method to improve codebook performance for non-linear arrays is described. The method includes determining a unitary matrix for a plurality of transmission antennas arranged in a given array type, the unitary matrix being determined based on a codebook, where the given array type is configured to steer beams in at least one of elevation and azimuth. The method also includes applying the determined unitary matrix to a signal to be transmitted across the plurality of transmission antennas. Apparatus and computer readable media are also described. | 2013-03-28 |
20130077706 | TRANSMITTER - The present application relates to a method for reducing the peak-to-mean amplitude ratio of a transmission signal comprising a plurality of coherent replicated signals, and to a transmitted for transmitting such a signal. The transmission signal is separated into the plurality of coherent replicated signals and one of the plurality of replicated signals is delayed with respect to another of the plurality of replicated signals, either in the time domain by introducing a time delay or in the frequency domain by introducing a phase shift. This has the effect of reducing the coherence of the delayed replicated signal with respect to the other replicated signal, reducing the peak power of the signal and therefore reducing the peak-to-mean amplitude ratio of the transmission signal. | 2013-03-28 |
20130077707 | METHOD AND APPARATUS FOR MULITPLE INPUT MULTIPLE OUTPUT DISTRIBUTED ANTENNA ARRAYS - A method, apparatus and computer program product are provided for reporting low rank feedback information for each transmission point up to a maximum rank per transmission point. In this regard, a method includes determining a transmission rank and a precoding matrix for each of at least two transmission points of a plurality of transmission points. A method also includes determining a joint transmission rank based on at least two of the plurality of transmission points. A method also includes selecting a joint transmission precoding matrix based on the determined precoding matrix for each of the at least two transmission points and the determined joint transmission rank. The method further includes causing channel state information “CSI” to be transmitted to an access point, wherein the CSI describes the selected joint transmission precoding matrix. | 2013-03-28 |
20130077708 | Antenna Control - An energy converter based transmitter, a method, a multi-element antenna array are provided for a radio frequency (RF) transmission. For example, the energy converter based transmitter can include a control circuit, a multiple input single output (MISO) operator, and an antenna. The control circuit is configured to receive input information and generate amplitude control signals and phase control signals. The MISO operator is configured to receive the amplitude control signals and the phase control signals and to generate an RF output signal. Further, the antenna is configured to receive and transmit the RF output signal. | 2013-03-28 |
20130077709 | Method and Device of Sending and Receiving Precoding Information - The present invention discloses a method and a device of sending and receiving precoding information. A terminal terminal obtains a wideband precoding matrix indicator PMI. The terminal encodes an MSB of the wideband PMI to obtain encoded information. The MSB of the wideband PMI is encoded separately or jointly with other information and the MSB is a part of the wideband PMI. The terminal sends encoded information to a data sending end. | 2013-03-28 |
20130077710 | SYSTEM AND METHOD FOR GENERATING A SIGNAL WITH A RANDOM LOW PEAK TO AVERAGE POWER RATIO WAVEFORM FOR AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM - A method for generating a signal with a random low peak to average power ratio waveform for an orthogonal frequency division multiplexing system involves processing a complex vector to generate a processed complex vector and performing an inverse fast Fourier transform on the processed complex vector to generate a signal with a random low peak to average power ratio waveform for an orthogonal frequency division multiplexing system. | 2013-03-28 |
20130077711 | TRANSMISSION/RECEPTION APPARATUS AND METHOD FOR SUPPORTING MIMO TECHNOLOGY IN A FORWARD LINK OF A HIGH RATE PACKET DATA SYSTEM - Methods and apparatus are provided for transmitting and receiving data in a communication system with a plurality of antennas. Data and a first pilot are generated. The first pilot is transmitted at a first position in a frequency domain that corresponds to a position of the generated data in the frequency domain and at a first position in a time domain that is with the generated data, in every transmission time interval of the data. A second pilot is generated. The second pilot is transmitted at predetermined second positions in the time domain and the frequency domain, in a transmission time interval that is predefined by a transmitter and a receiver. | 2013-03-28 |
20130077712 | ECHO CANCELLATION IN WIRELESS INBAND SIGNALING MODEM - An inband signaling modem receives digital user data for transmission to a remote location, via wireless and land line telecommunication networks. The modem converts the user data into audio tones for transmission, and encodes the audio tones into digital form suitable for transmission through a voice channel call session of a digital wireless network. After establishing a voice channel call session on a digital wireless network, the modem disables any echo cancellation or echo suppression means that may be encountered in the voice channel call session; and then transmits the user data audio tones. Preferably, disabling the echo cancellation or echo suppression means comprises transmitting a predetermined tone in the voice channel call session. Further, the modem preferably repeats the tone, to again disable echo cancellation or echo suppression means, at the beginning of each data burst during the call session. | 2013-03-28 |
20130077713 | SYSTEM AND METHOD FOR INCREASING BANDWIDTH FOR DIGITAL PREDISTORTION IN MULTI-CHANNEL WIDEBAND COMMUNICATION SYSTEMS - A digital predistortion linearization method is provided for increasing the instantaneous or operational bandwidth for RF power amplifiers employed in wideband communication systems. Embodiments of the present invention provide a method of increasing DPD linearization bandwidth using a feedback filter integrated into existing digital platforms for multi-channel wideband wireless transmitters. An embodiment of the present invention utilizes a DPD feedback signal in conjunction with a low power band-pass filter in the DPD feedback path. | 2013-03-28 |
20130077714 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING DATA - A data transmitting apparatus generates a plurality of modulation data symbols by performing symbol mapping of input data, converts and angle-modulates the plurality of modulation data symbols from a frequency domain to a real number signal of a time domain, and circular-shifts and transmits the angle-modulated signal from a signal of a frequency domain. | 2013-03-28 |
20130077715 | RECEIVER HAVING A SCALABLE INTERMEDIATE FREQUENCY - A technique includes using a receiver to process a radio frequency (RF) signal to downconvert spectral content from a first frequency band to a second frequency band to generate an intermediate frequency (IF) signal. The technique includes controlling a location of the second frequency band based at least in part on a selectable channel bandwidth of the receiver. | 2013-03-28 |
20130077716 | ANTENNA COMBINING - Antenna combining is carried out when the number of antennas in a receiver is greater than the number of radio frequency, RF, chains. In such a case, a weighted sum of the signals detected at the antennas is presented to the or each RF chain. In a packet based communication, weights used to create the or each weighted sum, for a particular packet, are calculated based on channel estimates determined for preceding packets. | 2013-03-28 |
20130077717 | APPARATUS AND METHODS FOR PERFORMING SEQUENCE DETECTION - An apparatus for performing sequence detection on a stream of incoming bits comprises a memory and circuitry coupled to the memory. The circuitry is operative, for each bit of the stream of incoming bits, to overwrite a first binary number presently stored in the memory with a second binary number, and to provide an output indicative of when the second binary number is equal to a predetermined value. The output indicative of when the second binary number is equal to the predetermined value is, in turn, indicative of when a binary number constructed by the stream of incoming bits is divisible by a prescribed integer. | 2013-03-28 |
20130077718 | SYSTEM AND METHOD FOR DETECTING A FRAME FORMAT - A method for detecting a format of a frame in a communication system is presented. An embodiment of the method includes receiving the frame comprising a plurality of orthogonal frequency division multiplexing (OFDM) symbols. The plurality of OFDM symbols may include at least one signal field symbol. The method further includes determining a modulation associated with the at least one signal field symbol. The modulation may be a first modulation or a second modulation. Also, the method includes estimating a position of the at least one signal field symbol among the plurality of symbols, and extracting a coding rate of the received frame. The method then includes detecting the format of the received frame based on the determined modulation and the estimated position of the at least one signal field symbol, and the extracted coding rate of the received frame. | 2013-03-28 |
20130077719 | DIVERSITY SCHEMES FOR 2-D ENCODED DATA - A method for communication includes receiving a signal carrying data including multiple data units using at least first and second reception channels. The data units are encoded with first and second codes such that, when the data units are arranged in rows and columns, the rows are encoded with the first code and the columns are encoded with the second code. The data units received by the first and second reception channels are selectively combined to produce composite data, which includes at least one row or column that includes a first data unit received from the first reception channel and at least a second data unit received from the second reception channel. The first and second codes for the composite data are decoded, including the at least one row or column, so as to reconstruct the data. | 2013-03-28 |
20130077720 | MULTI-STAGE TURBO EQUALIZATION AND INTERFERENCE CANCELLATION RECEIVER FOR WIRELESS SYSTEMS - In a receive node of a wireless network, an iterative multi-user multi-stage interference cancellation receiver is used. The receiver performs code-averaged equalization and chip chip-level code-specific interference over-cancellation on the received signals. This can result in a unified interference cancellation processing, and can avoid cumbersome calculations of code cross correlations that is required in symbol-level interference cancellation. A symbol-level code-averaged desired signal add-back is performed to address the over-cancellation of some desired signals. | 2013-03-28 |
20130077721 | METHODS AND APPARATUS FOR MIMO DETECTION - A transmitted signal estimate based on signals received in a layer i within a multiple input, multiple output transmission system and based upon selected constellation points for other, previously processed layers is quantized to a nearest constellation point. A list of candidates headed by the nearest constellation point and with remaining candidates presorted by proximity to the head is selected, for each such quantized estimate based on constellation point selections for previously processed layers. To select K best candidates for the transmitted signal estimates of the current layer i, the proximity of the candidates at the head of each list to the signal estimate for the current layer are compared, and the closest candidate is selected. The list containing the selected candidate is advanced, and proximity of the transmitted signal estimate to all list heads is again evaluated and the closest candidate selected. | 2013-03-28 |
20130077722 | SIGNAL ACQUISITION SYSTEM - A signal acquisition system efficiently acquires a transmitted signal even at very low power. The system may synchronize to a preamble structure in the transmitted signal and, for example, determine timing parameters that locate the preamble with respect to system timing or other clock references. The system is particularly effective at acquiring weak power signals and is also robust against significant noise and other impairments, and therefore improves the ability of a receiving device that incorporates the signal acquisition system to acquire the signal and establish communication with other devices. | 2013-03-28 |
20130077723 | CLOCK-DATA RECOVERY WITH NON-ZERO h(-1) TARGET - In a receiver circuit, a node receives a signal that carries data from a transmitter circuit. Moreover, a clock-data-recovery (CDR) circuit in the receiver circuit recovers an at-rate clock signal from the received signal. The CDR circuit recovers the clock signal without converging a first pulse-response precursor of the signal relative to a pulse-response cursor of the signal to approximately zero (e.g., with the first pulse-response precursor h(−1) converged to a non-zero value). Furthermore, the first pulse-response precursor corresponds to at least one precurosor or postcursor of the pulse-response other than the current sample. | 2013-03-28 |
20130077724 | DIGITAL PHASE DETECTOR WITH ZERO PHASE OFFSET - An embodiment of the invention comprises a digital phase detector with substantially zero phase offset. The digital phase detector receives a clock signal and a reference clock signal and provides a phase indicator signal to identify whether the clock signal leads or lags the reference clock signal. An embodiment of the invention comprises a method that adds substantially zero phase offset in processing an input clock signal and a delayed clock signal to generate a control signal. The control signal is processed in a variable delay line to generate the delayed clock signal. In an embodiment, a first processor comprises a delay locked loop having a digital phase detector, the digital phase detector comprising a first differential sense amplifier cross-coupled to a second differential sense amplifier, the digital phase detector receiving a clock signal and generating one or more delayed clock signals, a control signal, and a gated data signal. | 2013-03-28 |
20130077725 | IRRADIATION TARGET ENCAPSULATION ASSEMBLY AND METHOD OF ASSEMBLY - In one embodiment, an irradiation target encapsulation assembly, includes a container, at least one first irradiation target disposed in the container, at least one second irradiation target disposed in the container, and a positioning structure configured to position the first irradiation target closer to an axial center of the container than the second irradiation target. | 2013-03-28 |
20130077726 | METHOD OF ADJUSTING OXYGEN CONCENTRATION OF REACTOR WATER SAMPLES USING DEMINERALIZED WATER - Example embodiments of the present invention relate to a method of adjusting an oxygen concentration of a reactor water side stream in a nuclear plant. The method may include injecting demineralized water into the reactor water side stream to produce an oxygenated stream with an increased oxygen concentration. The oxygenated stream may be tested to determine the effect of a process treatment on the reactor system. | 2013-03-28 |
20130077727 | ROD POSITION DETECTION APPARATUS AND METHOD - An improved apparatus for determining the position of a drive rod within the interior of a drive rod housing includes a transmission antenna at one location on the housing and a receiving antenna at another location on the housing. An electromagnetic excitation signal sent to the transmission antenna is detected, at least in part, by the receiving antenna, and the received signal is processed with a vector network analyzer routine to model the drive rod housing as a wave guide having a filter response. A group delay is detected and is compared with a calibration data set which provides a current position of the drive rod that corresponds with the group delay. | 2013-03-28 |
20130077728 | STORAGE, TRANSPORTATION AND DISPOSAL SYSTEM FOR USED NUCLEAR FUEL ASSEMBLIES - An integrated storage, transportation and disposal system for used fuel assemblies is provided. The system includes a plurality of sealed canisters and a cask sized to receive the sealed canisters in side by side relationship. The plurality of sealed canisters include an internal basket structure to receive a plurality of used fuel assemblies. The internal basket structure includes a plurality of radiation-absorbing panels and a plurality of hemispherical ribs generally perpendicular to the canister sidewall. The sealed canisters are received within the cask for storage and transportation and are removed from the cask for disposal at a designated repository. The system of the present invention allows the handling of sealed canisters separately or collectively, while allowing storage and transportation of high burnup fuel and damaged fuel to the designated repository. | 2013-03-28 |
20130077729 | METHOD OF SEGMENTING AND PACKAGING IRRADIATED COMPONENTS - A method of segmenting and packaging an irradiated hardware component for storage or shipment. Radiological and physical characteristics of the components are first mapped over its surface. A segmenting plan and a loading plan is then determined that sets forth where over the surface of the components lateral segments are to be made from a map obtained from the mapping step taken into consideration any licensing restrictions and requirements of the facility in which the casks is to be stored with the view to maximizing the loading of the casks. The irradiated components are then segmented in accordance with the segmenting plan and loaded into the casks in accordance with the loading plan. | 2013-03-28 |
20130077730 | Nuclear Power Plant - A nuclear power plant has a reactor pressure vessel, a primary containment vessel and a passive pressure suppression pool cooling system. The reactor pressure vessel is installed in the primary containment vessel. A pressure suppression pool filled with cooling water is formed in a lower portion of the primary containment vessel. The passive pressure suppression pool cooling system is provided with a steam condensing pool in which cooling water is filled, disposed outside the primary containment vessel, a steam condenser disposed in the steam condensing pool, a steam supply pipe connecting the reactor pressure vessel to the steam condenser, and a condensed water discharge pipe connected to the steam condenser for discharging condensed water generated in the steam condenser. Another end portion of the condensed water discharge pipe is disposed in the pressure suppression pool. | 2013-03-28 |
20130077731 | CERAMIC ENCAPSULATIONS FOR NUCLEAR MATERIALS AND SYSTEMS AND METHODS OF PRODUCTION AND USE - A novel containment system for encapsulating nuclear fuel particles is disclosed. The containment system has a gas-impervious ceramic composite hollow shell having a spheroidal or ovoidal shape. The shell has a pair of longitudinally aligned round openings that are sealed with a gas-impervious ceramic composite tube to define a cavity between the shell inner surface and the tube outer surface. A ceramic composite matrix containing the nuclear fuel particles is enclosed within the cavity. The ceramic composite matrix has a controlled porosity, and can contain moderators or neutron absorbing material. The tube and shell are composed of a ceramic matrix composite material composed of ceramic reinforcement material that is bound together by a polymer-derived ceramic material. | 2013-03-28 |
20130077732 | BUNDLE RETENTION CLIP, FUEL ASSEMBLY INCLUDING THE SAME, AND METHOD OF ASSEMBLING FUEL ASSEMBLY - A fuel assembly may include a channel nosepiece; a lower tie plate positioned above the channel nosepiece; and at least one bundle retention clip connected to the channel nosepiece and the lower tie plate and configured to resist movement of the lower tie plate away from the channel nosepiece. | 2013-03-28 |
20130077733 | Circuit Configuration And Method For Distributing Pulses Within A Time Interval - A circuit configuration for generating pulses within a time interval on the basis of an input signal includes a counting unit, a comparator unit and a first adder circuit; the time interval being predicted on the basis of at least two defined changes in input signals; the circuit configuration being configured for triggering at the beginning of the time interval by the first adder circuit on the basis of clock pulses, for generating and outputting pulses; for counting a number of generated and output pulses using the counting unit; | 2013-03-28 |
20130077734 | Initializing A Ring Counter - A technique includes driving a node of a stage of a ring counter to a predetermined signal state; and clocking the ring counter to cause the signal state to propagate to at least one additional stage of the ring counter to initialize the ring counter with a reset sequence. | 2013-03-28 |
20130077735 | SHIFT REGISTER CIRCUIT - A shift register circuit including a logic circuit capable of controlling the threshold voltage of a transistor and outputting a signal corresponding to an input signal by changing only the potential of a back gate without changing the potential of a gate is provided. In a shift register circuit including a logic circuit with a first transistor and a second transistor having the same conductivity type, a first gate electrode of the first transistor is connected to a source electrode or a drain electrode of the first transistor, an input signal is supplied to a second gate electrode of the first transistor, a clock signal is supplied to a gate electrode of the second transistor, and the first gate electrode and the gate electrode are formed from the same layer. | 2013-03-28 |
20130077736 | Shift Register and Driving Circuit Using the Same - Disclosed are a shift register that shows excellent operation reliability with elements less than those of the conventional structure and a gate driving circuit using the shift register. The gate driving circuit comprises each of a plurality of shift registers sequentially connected and respectively supplying scan signals to a plurality of gate lines of a display device. | 2013-03-28 |
20130077737 | SYSTEM AND METHOD FOR CONE BEAM COMPUTED TOMOGRAPHY - A cone beam computed tomography system with a horizontally disposed, cylindrical gantry and a method for its use are provided. The cylindrical gantry includes a rotatable cylindrical frame fixed to a support frame. A cone beam X-ray source and X-ray detector are mounted to the circumference of the cylindrical frame at diametrically opposed positions. The cylindrical frame is actuated to revolve the X-ray source-detector arrangement around a horizontal axis, thereby scanning a recumbent subject positioned in the aperture of the cylindrical frame. | 2013-03-28 |
20130077738 | COLLIMATOR, DETECTOR ARRANGEMENT, AND CT SYSTEM - A collimator for a detector, such as an x-ray detector of a CT system, includes a plurality of collimator modules. At least one of the plurality of collimator modules includes at least two outer collimator walls and at least one inner collimator wall ( | 2013-03-28 |
20130077739 | Portable 3-Dimensional X-Ray Imaging System - An x-ray imaging system and method for providing three-dimensional data representing the contents of an object. An x-ray source and x-ray screen are used to acquire multiple x-ray images of the object from different perspectives. The different perspectives are obtained by placing the x-ray source at one end of a moveable arm. These images are processed by back-projecting each perspective image at known distances between the object and the x-ray source, and superimposing the back-projected images at each distance, thereby providing a set of image slices of the object along the z-axis. | 2013-03-28 |
20130077740 | ARRANGEMENT AND METHOD FOR CONTACTLESS SIGNAL TRANSMISSION IN COMPUTED TOMOGRAPHY SYSTEMS - An arrangement for contactless transmission of electrical signals from at least two signal sources between a fixed gantry section and a gantry section rotatable about an axis of rotation of a computed tomography system is provided. The arrangement includes at least one annular electrical conductor arranged on the rotatable gantry section for emitting the electrical signals. The at least one annular electrical conductor is divided into n annular conductor segments that have no electrical connection to one another. The at least one annular electrical conductor also includes n transmission units. Each of the transmission units is electrically connected to a different annular conductor segment and feeds a different electrical signal into the annular conductor segments. At least two transmission units are electrically connected to different signal sources of the at least two signal sources. | 2013-03-28 |