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| Number | Title | Issue Date |
| 7986252 | System and method for removing glitches from a bit stream A bit stream is received and each bit corresponding to the bit stream is over-sampled to generate a first set of data samples. Each data sample from the first set of data samples is compared with a corresponding immediate previous data sample to generate a second se... | 07/26/2011 |
| 7978100 | Encoding and decoding methods using generalized concatenated codes (GCC) Systems, apparatuses, and methods for encoding and decoding using generalized concatenated codes (GCC) are described. The methods include receiving data; encoding the received data to obtain first encoded data; encoding the first encoded data until a GCC encoding re... | 07/12/2011 |
| 7876243 | Transmission device and transmission method, information processing device and information processing method, and program A transmission device configured to transmit a transmission bit string which is an arrangement of a unit bit string of multiple N bits includes: a conversion unit configured to convert the unit bit string into a converted bit string in accordance with a conversion t... | 01/25/2011 |
| 7796060 | Circuits and methods to minimize nonlinearity errors in interpolating circuits Circuits and methods to minimize nonlinearity errors in interpolating circuits are described herein. A disclosed example circuit comprises first and second voltage-current converter circuits, each including a first transistor and a second transistor, each having a f... | 09/14/2010 |
| 7782232 | Encoding and decoding methods using generalized concatenated codes (GCC) Systems, apparatuses, and methods for encoding and decoding using generalized concatenated codes (GCC) are described. The methods include receiving data; encoding the received data to obtain first encoded data; encoding the first encoded data until a GCC encoding re... | 08/24/2010 |
| 7656322 | Semiconductor memory device having error correction function A semiconductor memory device configured such that the time required for its access test can be reduced comprising a memory cell array, a row decoder, a column decoder, an error correction circuit, and an output circuit. The error correction circuit performs error c... | 02/02/2010 |
| 7436331 | Rate-28/30 DC-free RLL code A run-length limited (RLL) encoder includes a problematic-block detection module that receives a data block and that generates coding bits that indicate whether at least one of N portions of the data block include one of all ones and all zeros, where N is an integer... | 10/14/2008 |
| 7411524 | Channel coding method with corresponding code and demodulation and decoding method and means A coding/decoding system and method are disclosed. Coding, as used herein, refers assigning values to cells. Information to be coded is processed stepwise in information pieces, with bitwise processing (single information bits as information pieces) as a special cas... | 08/12/2008 |
| 7395482 | Data storage systems A data storage system includes an encoder subsystem comprising an error correction code encoder, a modulation encoder, and a precoder, and a decoder subsystem similarly comprising a detector, an inverse precoder, a channel decoder, and an error correction code decod... | 07/01/2008 |
| 7373575 | Method and apparatus for generating expect data from a captured bit pattern, and memory device using same Expect data signals are generated for a series of applied data signals having a known sequence to determine if groups of the data signals were properly captured. A first group of the applied data signals is captured, and a group of expect data signals are generated ... | 05/13/2008 |
| 7369074 | D/A converter for a digital signal after non-linear A/D conversion, audio signal processing circuit and liquid crystal display device including the same A D/A converter inputted with non-linear conversion digital data such as a digital signal encoded according to a μ-Law system or the like as it is to convert into an analog signal. A D/A converter is of resistor string type, in which a resistance value of each of r... | 05/06/2008 |
| 7353447 | System and method for representing compressed information The present invention provides a system and method for storing re-synchronization, error correction and/or error detection data within an existing communication protocol, while still maintaining full compliance to a standard, such as the MPEG-2 AAC standard. By doin... | 04/01/2008 |
| 7352299 | Method and system for improving memory interface data integrity An integrated circuit (IC) for optimizing data presentation to an external memory interface bus is provided. The IC is in communication with the external memory via the external memory interface bus. The IC includes an encoder that may encode the data that are being... | 04/01/2008 |
| 7352812 | Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding Adjacent blocks are identified in an image. Coding parameters for the adjacent blocks are identified. Deblock filtering between the identified adjacent blocks is skipped if the coding parameters for the identified adjacent blocks are similar and not skipped if the c... | 04/01/2008 |
| 7349434 | Method and apparatus for transmitting different data types in a wireless packet data communication system A method and apparatus for encapsulating a PDU in a wireless packet data communication system. In a system providing voice and high-rate packet data services, an LAC layer and an RLP layer generate SDUs of MuxPDU Type 1, 2, or 4 with signaling informat... | 03/25/2008 |
| 7346646 | Method and apparatus for transmitting data frames, and a method and apparatus for data rate matching A method and apparatus for transmitting data frames, and a method and apparatus for data rate matching wherein, via an interleaver, elements to be transmitted are distributed over a plurality of radio frames and repeated, the repetition being carried out in such a w... | 03/18/2008 |
| 7336722 | Method and apparatus for puncturing code symbols in a communications system Techniques for puncturing symbols in a communications system. S symbols are received for a frame having a capacity of N symbols, with S being greater than N. P symbols need to be punctured so that remaining symbols fit into the frame. A number of puncture distances,... | 02/26/2008 |
| 7336559 | Delay-locked loop, integrated circuit having the same, and method of driving the same A delay-locked loop (DLL) is disclosed with a phase detector configured to detect a phase difference between an external clock signal and an internal clock signal, a variable delay line configured to variably delay the external clock signal in relation to the phase ... | 02/26/2008 |
| 7327292 | Bubble error rejecter in data converter A bubble error rejecter includes a cascade of front and rear voting sections for correcting bubble errors spanning multiple bits from interpolation. The front voting section generates first correction codes from first thermometer codes determined from preamplified s... | 02/05/2008 |
| 7328397 | Method for performing error corrections of digital information codified as a symbol sequence A method and system for making error corrections on digital information coded as symbol sequences, for example digital information stored in electronic memory systems or transmitted from and to these systems is described, provides the transmission of sequences incor... | 02/05/2008 |
| 7324614 | High speed decoder A branch metric duplication method substantially reduces interconnection delays. The branch metric duplication method is particularly useful to implement a high speed radix-4 Viterbi decoder targeted for FPGA applications. The decoder includes a plurality of branch ... | 01/29/2008 |
| 7324697 | Data embedding device and data extraction device A data embedding device includes a dynamic image storage unit storing inter-frame prediction coded dynamic image data, an embedding data storage unit storing embedding data that is embedded into the inter-frame prediction coded dynamic image data, and an embedding u... | 01/29/2008 |
| 7319415 | Chroma deblocking filter An encoder, decoder, and corresponding method are disclosed for deblocking pixel data processed with block transformations, the encoder including a conditional deblocking filter for filtering only block transitions meeting chroma difference measure criteria; the dec... | 01/15/2008 |
| 7320094 | Retraining derived clock receivers Systems and methods of retraining a receiver provide for determining a minimum transition density for a derived clock data link to the receiver. A retraining flit is generated based on the minimum transition density. In one approach, the retraining flit is generated... | 01/15/2008 |
| 7310371 | Method and/or apparatus for reducing the complexity of H.264 B-frame encoding using selective reconstruction An apparatus comprising an output circuit, a first processing circuit and a second processing circuit. The output circuit may be configured to generate an output data stream in response to (i) a first intermediate signal, (ii) a second intermediate signal, and (iii)... | 12/18/2007 |
| 7308402 | Error resistant scalable audio coding partitioned for determining errors A scalable audio codec processes, quantizes and encodes audio signals into an embedded audio bitstream of bit-planes each having a data unit. The data unit has a beginning refinement bits partition, a second significance bits partition, a third sign boundary mark bi... | 12/11/2007 |
| 7302632 | Method and system for the protection of data with a header in a transmission system In a method to protect and/or detect information in a data transmission system, the pieces of data exchanged have a format comprising one or more headers and a data zone. The method comprises at least one step for the insertion, into at least one header, of at least... | 11/27/2007 |
| 7301482 | Circuits, architectures, systems, methods, algorithms and software for conditional modulation coding Methods, algorithms, software, circuits, architectures, and systems for conditionally encoding information and processing conditionally encoded information. The present invention takes advantage of codes where most randomly selected data units fulfill the coding con... | 11/27/2007 |
| 7295679 | Method, apparatus, and program for image processing capable of preventing, detecting and correcting image alteration, and a medium storing the program A method, apparatus, and program for image processing are provided to perform operations for generating an encoded image, detecting image alteration on the encoded image, and regenerating an original image from the encoded image. The encoded image is generated by an... | 11/13/2007 |
| 7286064 | Two-dimensional modulation encoding for high density optical storage The present invention relates to an encoding apparatus and a corresponding method for two-dimensionally encoding user data of a user data stream into channel data of a channel data stream along a two-dimensional channel strip of at least two bit rows one-dimensional... | 10/23/2007 |
| 7281190 | Running digital sum coding system A communication system includes an encoder that receives user data and includes running digital sum encoding and turbo encoding. The running digital sum encoding is preserved in an encoder output to a channel. A decoder receives a channel output and comprises runnin... | 10/09/2007 |
| 7277592 | Spacial deblocking method using limited edge differences only to linearly correct blocking artifact A de-blocking method smoothes pixels along a row or column that crosses a block boundary. Smoothing is performed to remove quantization or compression artifacts that appear on block edges when pixels in adjacent blocks are separately compressed. A maximum-allowed ed... | 10/02/2007 |
| 7271757 | Encoder circuit and A/D conversion circuit An encoder circuit and A/D converter that can minimize the error of an encoder output with respect to all the possible combinations of thermometer codes are desired to be provided. To this end, an encoder circuit has a logic thereof configured to take a thermometer ... | 09/18/2007 |
| RE39832 | Optical recording disk capable of resynchronization in digital encoding and decoding In carrying out PWM-recording on optical disks, RESYNC BYTES including a bit compensation part, RESYNC detection part, and bit synchronization part are periodically inserted in the recorded data code stream. After encoding and at the time of decoding, RESYNC BYTES a... | 09/11/2007 |
| 7265688 | Systems and processes for decoding a chain reaction code through inactivation A method for processing a chain reaction codes includes first selecting a source symbol which is associated an output symbol of degree two or higher (i.e., an output symbol which is itself associated with two or more input symbols), and subsequently deactivating the... | 09/04/2007 |
| 7251285 | Method and apparatus for transmitting and receiving using turbo code A transmitter using constituent encoders to generate turbo-encoded bit sequence having variable bit order from an information bit is provided. Each constituent encoder encodes a bit to a bit sequence and each bit sequence from respective constituent encoder has same... | 07/31/2007 |
| 7246116 | Method, system and article of manufacturing for converting data values quantified using a first measurement unit into equivalent data values when quantified using a second measurement unit in order to receive query results including data values measured using at least one of the first and second measurement units A system, method and article of manufacture for identification of mergeable data in a data processing system and, more particularly, for providing mechanisms for facilitating identification of correlated columns from one or more database tables. One embodiment provi... | 07/17/2007 |
| 7243297 | Method for bit recovery in an asymmetric data channel A demodulator performs bit recovery in an asymmetric data channel, such as an optical recording media, by detecting runlength violations prior to demodulation, and correcting the detected runlength violations prior to the demodulation. ... | 07/10/2007 |
| 7237179 | Data rate matching device A flexible data rate matching method in a 3GPP2 system is disclosed that supports flexible data rate repetition on a physical layer of synchronous cdma2000 in an interleaving process. The process includes repeating bits of a channel encoded bitstream with one of a p... | 06/26/2007 |
| 7233897 | Method and apparatus for performing packet loss or frame erasure concealment The invention concerns a method and apparatus for performing packet loss or Frame Erasure Concealment (FEC) for a speech coder that does not have a built-in or standard FEC process. A receiver with a decoder receives encoded frames of compressed speech information t... | 06/19/2007 |
