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| Number | Title | Issue Date |
| 8077062 | Pack ASCII zSeries instructions ASCII input data to be packed into memory is obtained. The ASCII input data includes a plurality of blocks of ASCII data. wherein each block of ASCII data includes a plurality of ASCII characters. A block of ASCII data to he packed is selected. The selected block is... | 12/13/2011 |
| 7907070 | Systems and methods for providing unequal error protection using embedded coding A method for embedded encoding of at least two types of information. A first message and a second message are received. The types of a first encoder and a second encoder are determined. The rates of the first encoder and the second encoder are determined. A first co... | 03/15/2011 |
| 7868791 | Pack unicode zSeries instructions Emulation methods are provided for two PACK instructions, one for Unicode data and the other for ASCII coded data in which processing is carried out in a block-by-block fashion as opposed to a byte-by-byte fashion as a way to provide superior performance in the face... | 01/11/2011 |
| 7817069 | Alternative encoding for LZSS output A data processing method where a source bit stream is manipulated to produce four intermediate streams: flag bits, literals, offsets and lengths. Flag bits are grouped into multi-bit units, and an output stream containing flag units, literals, offsets and lengths is... | 10/19/2010 |
| 7800519 | Method and apparatus for compressing and decompressing data One embodiment of the present invention provides an apparatus for compressing data, comprising a compression mechanism which includes N channels. During operation, the compression mechanism receives a set of data words from an input bit-stream, compresses the data w... | 09/21/2010 |
| 7764203 | Method of doing pack ASCII Z series instructions Emulation methods are provided for two PACK instructions, one for Unicode data and the other for ASCII coded data in which processing is carried out in a block-by-block fashion as opposed to a byte-by-byte fashion as a way to provide superior performance in the face... | 07/27/2010 |
| 7728742 | Method and apparatus for compressing and decompressing data The described embodiments include a system for performing data compression. The system includes a compression mechanism with N channels, and an internal decompression mechanism in the compression mechanism that accepts N channels of fixed-length packets. The compres... | 06/01/2010 |
| 7719445 | Method and apparatus for encoding/decoding multi-channel audio signal Methods of encoding and decoding a multi-channel audio signal and apparatuses for encoding and decoding a multi-channel audio signal are provided. The apparatus for decoding a multi-channel audio signal includes an unpacking extracting which extracts a pilot and dat... | 05/18/2010 |
| 7541947 | Semiconductor devices, a system including semiconductor devices and methods thereof Semiconductor devices, a system including said semiconductor devices and methods thereof are provided. An example semiconductor device may receive data scheduled for transmission, scramble an order of bits within the received data, the scrambled order arranged in ac... | 06/02/2009 |
| 7511640 | Digital compression of binary data blocks Method and apparatus are configured to assign a code of less than N number of bits in length to a pattern of bits of a first polarity value distributed within a block of N binary bits. The method basically comprises (1) determining a number of bits of the first valu... | 03/31/2009 |
| 7486210 | DWA structure and method thereof, digital-to-analog signal conversion method and signal routing method A data weighted average (DWA) structure including a first delay unit, a binary to thermometer code converter, an adder, a second delay unit, a decoder, a barrel shifter, and a plurality of signal lines is provided. The first delay unit delays an input digital signal... | 02/03/2009 |
| 7479905 | Apparatus, system and method for data compression using irredundant patterns An apparatus for data compression includes an identifier which identifies a plurality of irredundant patterns in a data set, and an extractor which extracts at least a portion of the plurality of irredundant patterns from the data set to generate a compressed data s... | 01/20/2009 |
| 7471218 | Methods and systems for efficiently storing and retrieving streaming data Various technologies for efficiently storing and retrieving streaming data are described. Bits of data (e.g., P bits of data) are received and separated into most significant bits (MSB) of data and least significant bits (LSB) of data. Further, the MSB of data and t... | 12/30/2008 |
| 7463169 | 64B/66B Encoding data generation method and circuit In a more effective data generation method and circuit used for 64B/66B encoding, when packet data, and head and tail information of the data packet are received, write user data in which a head and tail identifying bytes are respectively added to a head and a tail ... | 12/09/2008 |
| 7439883 | Bitstream generation for VLC encoded data A bitstream generator is described, for placing variable length coding (VLC) data into a fixed width data stream. The bitstream generator includes an input for receiving VLC data; the VLC data may be separated into a value component, and a length component. The bits... | 10/21/2008 |
| 7439882 | Optimized decompression using annotated back buffer A system and method for decompression optimization employing a data input and a dedicated back buffer and data parser. The system and method also relate to accelerating the parsing process during decompression of a block of data by taking advantage of those naturall... | 10/21/2008 |
| 7408484 | Method of doing PACK unicode zSeries instructions Emulation methods are provided for two PACK instructions, one for Unicode data and the other for ASCII coded data in which processing is carried out in a block-by-block fashion as opposed to a byte-by-byte fashion as a way to provide superior performance in the face... | 08/05/2008 |
| 7394409 | Method of doing pack ASCII zSeries instructions Emulation methods are provided for two PACK instructions, one for Unicode data and the other for ASCII coded data in which processing is carried out in a block-by-block fashion as opposed to a byte-by-byte fashion as a way to provide superior performance in the face... | 07/01/2008 |
| 7388524 | Enhancing signal to noise ratio of an interpolated signal Providing interpolated signals with enhanced signal-to-noise-ratio (SNR). In an embodiment, for each digital sample (of an analog signal) having strength Dn, N values are inserted, with the kth inserted value having a strength of Dn(1+/−Dk), wherein Dk is selected... | 06/17/2008 |
| 7382878 | System and method for data encryption A system and method for encrypting and/or compressing an input data string is disclosed. The input data string is divided into a plurality of blocks of data that each contains a plurality of bits of data. A block code is used to identify the size of each of the bloc... | 06/03/2008 |
| 7372377 | Method and apparatus for position identification in runlength compression data A position in runlength compression data corresponding to a desired position in original data can be found fast. Index correspondence information is generated for representing correspondence between indexes representing predetermined positions in data arrangement of... | 05/13/2008 |
| 7369161 | Digital camera device providing improved methodology for rapidly taking successive pictures An in-camera two-stage compression implementation is described that reduces the latency between snapshots to a fraction of that otherwise required by other systems that either process complete compression following each snapshot or that incorporate heavy, bulky, and... | 05/06/2008 |
| 7366105 | Bi-directional packet data transmission system and method A bi-directional packet data transmission system for a packet data transmission between a terminal and a radio access network includes an uplink resource and a downlink resource which are independently set. Memory resources can be effectively managed even in a packe... | 04/29/2008 |
| 7359372 | Method and apparatus for fast change of internet protocol headers compression mechanism A method and a decompressor node in Internet Protocol (IP) network for fast change of IP Headers Compression (HC) mechanism are provided. A Mobile Station (MS) connected to a serving system uses a first IP HC mechanism therewith. Upon initiating handoff of the MS fr... | 04/15/2008 |
| 7360093 | System and method for authentication of JPEG image data A system and method for authentication of JPEG image data enables the recipient to ascertain whether the received image file originated from a known identified source or whether the contents of the file have been altered in some fashion prior to receipt. A unique ha... | 04/15/2008 |
| RE40169 | System and method for processing a compressed data stream The invention is a system and method for processing a compressed data stream. The compressed data stream has a first group of source segments and a second group of source segments. For the first group of source segments, it is not necessary to decompress the source ... | 03/25/2008 |
| 7348901 | Method and system for decoding variable length encoded signals, computer program product therefor A system adapted for use, e.g. in an MPEG audio-video decoder for decoding variable-length (e.g. Huffman) encoded codewords, each having associated a respective set of sign bits. The system operates on the basis of a signed decoding codebook including extended signe... | 03/25/2008 |
| 7348904 | Selective updating of compression dictionary A telecommunications network comprises a sending entity (22) and a receiving entity (24) which communicate over a radio interface (26). The sending entity (22) comprises a compressor (40) and a message formatter (34). The co... | 03/25/2008 |
| 7339503 | Adaptive asynchronous sample rate conversion A system including a buffer, a feedback loop configured to generate a fractional delay from a ratio of a first number of samples written into the buffer to a second number of samples read from the buffer, and a variable fractional delay filter configured to generate... | 03/04/2008 |
| 7339504 | Communications device with asynchronous sample rate converter An asynchronous sample rate converter including a feedback loop configured to generate a control signal corresponding to an output sample rate that is synchronous with an output clock signal and a normalized time distance value corresponding to a plurality of input ... | 03/04/2008 |
| 7333663 | Method and apparatus for efficient entropy coding of images Method and apparatus for encoding image data is described. In an example, a memory stores bit-planes associated with the image data. Each of the bit-planes is partitioned into data units. A bit modeler communicates with the memory and produces modeled data in respon... | 02/19/2008 |
| 7330902 | Header compression A method for communicating a message over a data path by means of data transfer apparatus capable of transmitting the data over the data path, generating a representation of the data as received from the data path and generating an indication of the communication qu... | 02/12/2008 |
| 7327289 | Data-modifying run length encoder to avoid data expansion A method of selectively run length encoding data may include removing a trigger value from one or more data elements if the trigger value is present in the one or more data elements and calculating a run length of the one or more data elements. The method may also i... | 02/05/2008 |
| 7313587 | Method and apparatus for localizing Web applications A system receives a file index associated with multiple localized strings of data and loads the file index into a memory device. The system then identifies pointers to frequently used localized strings and caches the identified pointers. Requests for Web content are... | 12/25/2007 |
| 7312727 | Methods and apparatus for improving minimum hamming weights of a sequence A communications channel comprises a seed selector that selectively removes X M-bit symbols of user data from a seed set comprising Y M-bit symbols and that selects a scrambling seed from Y-X symbols remaining in the seed set, where X, Y and M are integers greater t... | 12/25/2007 |
| 7298295 | Method, apparatus, system, and program for code conversion transmission and code conversion reception of audio data A system and a method of suppressing outstanding degradation of decoded audio quality due to a transmission error of audio coded data are provided without feedback information from a receiver, thereby reducing the increase of the number of necessary transmission ban... | 11/20/2007 |
| 7290063 | Relocating context information in header compression A method of relocating the header compression context in a packet network which transmits packets having compressed headers. A connection is established between a mobile terminal and a first network entity and context information used with compression and decompress... | 10/30/2007 |
| 7271745 | Resampling detection apparatus, resampling detection method, resampling apparatus, and resampling method A resampling detection apparatus for receiving a plurality of input signals composing a digital signal, and detecting whether the digital signal is a resampled signal, includes an estimation section that estimates a signal before resampling for the digital signal fr... | 09/18/2007 |
| 7268708 | Method and apparatus for improved multimedia decoder Embodiments include systems and methods of improving processing in a decoder in a multimedia transmission system. Multimedia data may include one or more of motion video, audio, still images, or any other suitable type of audio-visual data. One embodiment includes a... | 09/11/2007 |
| 7265691 | Modeling for enumerative encoding Entropy encoders and decoders employ an entropy-pump operation. The entropy-pump operation includes classifying blocks of the input sequence's symbols in accordance with the probabilities of occurrence of those blocks' values. Entropy coding an output component that... | 09/04/2007 |
