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| Number | Title | Issue Date |
| 7903004 | Decoding apparatus and method A decoding apparatus is disclosed. The decoding apparatus is applied to a data signal comprising a plurality of bits. A plurality of sampled data is generated by sampling the data signal. Each of the bits has a same cycle. The decoding apparatus comprises a calculat... | 03/08/2011 |
| 7366244 | Method and system for antenna interference cancellation A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect. The interference effect can produce an interference signal on one of ... | 04/29/2008 |
| 7363553 | System and method for adjusting soft decision thresholds in a soft-decision error correction system The soft decision thresholds in a soft decision forward error correction (FEC) system may be adjusted based on mutual information of a detected signal. In one embodiment, a recursive algorithm may be used to optimize threshold values by maximizing the mutual informa... | 04/22/2008 |
| 7280054 | Integrated circuit interface that encodes information using at least one input signal sampled at two consecutive edge transitions of a clock signal An integrated circuit, such as a dynamic RAM, includes a plurality of terminals for coupling to signal lines. One of the signal lines is an input signal line that conveys a clock signal, and at least one other signal line is also an input signal line that conveys in... | 10/09/2007 |
| 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 |
| 7262718 | Variable length decoder and variable length decoding method A variable length decoder comprises: a first storage unit that stores encoded data; a variable length decoding unit; a second storage unit that stores coefficient data; a reverse quantizing unit; and a reverse DCT unit. The variable length decoding unit includes a c... | 08/28/2007 |
| 7123676 | Method and system for antenna interference cancellation A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect. The interference effect can produce an interference signal on one of ... | 10/17/2006 |
| 7123578 | Communication system for driving pairs of twisted pair links A communications system includes tow high speed communication links formed by pairs of transformers at either end thereof. A phantom circuit formed by the pairs of transformers is used to distribute power to devices connected to the high speed links. In transmission... | 10/17/2006 |
| 7050388 | Method and system for crosstalk cancellation Signals propagating in one communication channel can generate crosstalk interference in another communication channel. A crosstalk cancellation device can process the signals causing the crosstalk interference and generate a crosstalk cancellation signal that can co... | 05/23/2006 |
| 7002502 | Analog-to-digital converter and method of generating an intermediate code for an analog-to-digital converter Analog-to-digital converter for converting an analog input signal into a digital binary output signal includes a reference unit for generating a thermometric signal based on comparison of the input signal with a reference voltage level, a first logic circuit connect... | 02/21/2006 |
| 6965331 | Conversion arrangement and method for converting a thermometer code The invention relates to an arrangement for converting a binary input signal corresponding to an n-bit thermometer code into a binary output code different therefrom, having a first number of OR gate circuits, into the inputs of wh... | 11/15/2005 |
| 6879267 | Soft-output decoder with computation decision unit A soft-output decoder that uses a-priori likelihood values to compute metrics while decoding a received data stream also uses the a-priori likelihood values to decide whether or not to compute the metrics for each position in the received data stream. Unnecessary co... | 04/12/2005 |
| 6756922 | Method and system for compression of a set of mostly similar strings allowing fast retrieval A computer implemented method and system for selecting a string for serving as a reference string for a comparison scheme for compressing a set of strings calculates preliminary compression results for every string relative to an initial reference string, and uses t... | 06/29/2004 |
| 6686857 | Information dependent data transmission for pilot protective relays Waveform information is transmitted from the ends of a protection zone by first compressing the information using a lossy compression technique such as wavelets and then compressing the lossy compressed waveform information using a loss-less compression t... | 02/03/2004 |
| 6617986 | Area efficient, sequential gray code to thermometer code decoder A Sequential Gray Code to Thermometer Code decoder circuit adapted for area efficient use at each pad of an integrated circuit chip for incrementally adjusting a digitally adjustable resistance for continuous or periodic adjustment of on-chip terminations... | 09/09/2003 |
| 6617984 | 16B/20B encoder A scalable physical coding sublayer (PCS) can be adjusted to provide different combinations of communication channels and data widths. The PCS can use 8B/10B encoders having a disparity input connection and at least one disparity output connection. In one... | 09/09/2003 |
| 6346906 | Thermometric-binary code conversion method, conversion circuit therefor and encoder element circuits used therefor A thermometric-binary code conversion circuit 201 including an input unit 202 that outputs an encode input signal upon receiving a thermometric input signal. An encoder unit 204 outputs an encoded output signal upon receiving an encode input signal. An ou... | 02/12/2002 |
| 6141122 | Data compressing method, image data memory, and method and device for expanding compressed data A data compressing method which can efficiently compress image data containing color data is provided. A compressed data expanding method which can expand the compressed data at high speed is provided. Image data containing color data are compressed into ... | 10/31/2000 |
| 5884269 | Lossless compression/decompression of digital audio data An audio signal compression and decompression method and apparatus that provide lossless, realtime performance. The compression/decompression method and apparatus are based on an entropy encoding technique using multiple Huffman code tables. Uncompressed ... | 03/16/1999 |
| 5684829 | Digital signal processing coding and decoding system A signal coding system capable of high efficiency, high quality signal coding is provided. Digital signals represented in the time domain are divided into set time interval data units and output. One output is converted to a digital signal represented in ... | 11/04/1997 |
| 5546575 | Encoding method for compressing a tabular database by selecting effective compression routines for each field and structure of partitions of equal sized records A method whereby a database storage structure is created by selectively applying one or more data compaction methods to fields of a database. A specific compaction method is applied to a field if the field data characteristics satisfy criteria for that co... | 08/13/1996 |
| 5455578 | Serial data decoding using state machine with selectable decoding tables A serial data decoding system is described in which a state machine (FIG. 5) is provided having a plurality of branching hierarchies of states, each branching hierarchy of states corresponding to a different decoding table. The state machine incorporates ... | 10/03/1995 |
| 5453742 | High density data compression encode/decode circuit apparatus and method of using in local area networks Data compression encoding and decoding circuitry which eliminates the need for decode circuitry that looks for the flux reversal points, or peaks, namely the peak detector and the phase-lock-loop circuitry combination. The encoding circuitry manipulates d... | 09/26/1995 |
| 5440584 | Process for transmitting or storing over disturbed channels a digitalized, encoded audio signal composed of a series of information blocks Digitalized encoded audio signals for transmission over disturbed channels are composed of a series of information blocks made of information units containing various types of information, such as control information, scale factor information and informat... | 08/08/1995 |
| 5382955 | Error tolerant thermometer-to-binary encoder A thermometer-to-binary encoder includes a set of J input stage encoders E(1) through E(J) and an output encoder D, where J= 2K is an integer greater than 1. A set of digital input signals each representing a separate bit of a thermometer code ... | 01/17/1995 |
| 5325398 | Pulse count mode communication system A transmitter pulse circuit produces two-phase pulse trains containing a certain number of pulse edges corresponding to an integral number represented by binary parallel bits of a data value to be transferred. The transmitter responds to a coordinate data... | 06/28/1994 |
| 5243348 | Partitioned digital encoder and method for encoding bit groups in parallel A digital encoder (34) is partitioned into a plurality of rank ordered encoder circuits (36-39) which concurrently encodes least significant bits of an input signal from a first digital format to an output signal in a second digital format. Simultaneously... | 09/07/1993 |
| 5036457 | Bit string compressor with boolean operation processing capability An apparatus and method, for use with a computer, for converting an uncompressed one-dimensional array of binary bits into a compressed binary bit string and/or for processing a Boolean operation on a first and a second compressed bit string. The first an... | 07/30/1991 |
| 5029305 | Method and apparatus for error correction in thermometer code arrays A method and apparatus for correcting errors in a thermometer code data array (32). A parallel A/D converter (22) comprises an array (26) of comparators and an encoder (30). The correction of errors in the data array (32) produced by the comparators (26) ... | 07/02/1991 |
| 4954825 | Self clocking binary data encoding/decoding method A method for modulating binary data into a format suitable for encoding and decoding information, that employs a non-return-to-zero (NRZ) technique. The modulating method includes: defining within a recording medium an event-cell as the time between two a... | 09/04/1990 |
| 4951049 | Self clocking binary information encoder An electrical circuit suitable for encoding binary information, in accordance with a novel modulation method, is provided. The encoder circuit includes: a clock driver; an n-phase counter driven by the clock driver for producing a succession of event-cell... | 08/21/1990 |
| 4910514 | D/A converter A single-step digital-to-analog converter includes a multiplicity of individual interconnected sources disposed in a matrix having matrix rows and matrix columns; a decoder apparatus connected to the matrix for addressing the individual sources, the decod... | 03/20/1990 |
| 4733220 | Thermometer-to-adjacent bindary encoder An encoder circuit converts a thermometer code into an equivalent adjacent binary code wherein only a single bit is changed to minimally increment or decrement the value of the binary code. The encoder logic is grouped so that the state of any single bit ... | 03/22/1988 |
| 4586025 | Error tolerant thermometer-to-binary encoder A thermometer-to-binary encoder converts a quantity I of input digital signals, each representing one bit of an I-bit thermometer code, into a set of output digital signals each representing one bit of a corresponding binary code. The input signals are gr... | 04/29/1986 |
| 4444055 | Compensating transducer digitizer A compensating transducer digitizer circuit provides for compensating the digital output of a measuring transducer with the digital output of a compensating transducer through the interaction of the quasi-digital outputs of the compensating transducer and... | 04/24/1984 |
| 4364026 | Digital-to-analog converter useful in a television receiver A digital-to-analog converter for use in a television tuning system to convert bits stored in a register to a corresponding tuning voltage includes a counter for generating binary pulse signals having pulses with durations proportional to powers of 2 and ... | 12/14/1982 |
| 4328484 | Method and apparatus for numerically converting a parallel binary coded number from a first unit system to a second unit system A method and apparatus are disclosed for converting a parallel binary coded, input number from a first unit system to a second unit system, the two unit systems being related by a known numerical conversion factor. The parallel binary coded input number i... | 05/04/1982 |
| 4209773 | Code converters A digital-to-analogue converter which uses a technique of two-level quantization in order to generate a pulse density code signal which yields the analogue signal when filtered. Standard digital logic adders and registers are used in the conversion of PCM... | 06/24/1980 |
| 4109110 | Digital-to-analog converter The sample rate of the digital input is increased to a point where by reducing the number of bits per sample the final digital-to-analog conversion can be accomplished in a rate multiplier.... | 08/22/1978 |
| 4000363 | Arrangement for the production of selection pulses in teleprinters A teleprinting apparatus which eliminates a dial switch for connection to a remote subscriber and which substitutes a circuit arrangement which utilizes the keyboard through a coding system to generate pulse trains for connection to the remote subscriber.... | 12/28/1976 |
