Patents
Patents for H03M 5 - Conversion of the form of the representation of individual digits (4,193)
02/2001
02/28/2001CN1285972A Digital modulation employing single sideband with suppressed carrier
02/27/2001US6195764 Data encoder/decoder for a high speed serial link
02/27/2001US6195397 Signal transmission and reception device for new wiring system
02/27/2001US6195323 Data coding method of an optical disk
02/27/2001US6195025 Method and means for invertibly mapping binary sequences into rate 2/3 (1,K) run-length-limited coded sequences with maximum transition density constraints
02/21/2001EP1076932A1 ENCODING/DECODING n-BIT SOURCE WORDS INTO CORRESPONDING m-BIT CHANNEL WORDS, AND VICE VERSA, SUCH THAT THE CONVERSION IS PARITY INVERTING
02/21/2001CN1284805A Method for dynamic allocation of channel code with different lengths in radio communication system
02/20/2001US6192093 Enhanced CIMT coding system and method with automatic word alignment for simplex operation
02/13/2001US6188336 7/13 channel coding and decoding method using RLL(2,25) code
02/08/2001DE10033143A1 Data receiver for conditional invert master transition coding has second stage for delivering received digital data to first stage if predefined data pattern detected in received digital data
02/06/2001US6185252 Process for decoding a digital signal and a bus system and a peripheral unit therefor
02/06/2001US6184916 Multiple-pulse, pulse width and position modulation systems and methods
02/06/2001US6184807 Glitch-free bi-phased encoder
02/06/2001US6184806 Rate 32/33 (D=0, K=6) run length limited modulation code having optimized error propagation
01/2001
01/31/2001EP1073231A2 Signal encoding for transmission of multiple digital signals over single physical medium
01/31/2001CN1282148A Method for converting the international phonetic symbols of American English into character hand-ariting phonotic symbols
01/18/2001DE19932692A1 Verfahren zur Abtastung biphase codierter digitaler Signale The method of sampling biphase coded digital signals
01/17/2001EP1069690A2 Process for sampling biphase coded digital signals
01/16/2001US6175542 Demodulation circuit, a decode circuit and a digital PLL circuit for an optical disc apparatus
01/16/2001US6175319 Power-tailored write-current method
01/16/2001US6175318 Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa
01/16/2001US6175316 Bin-to-bin differential encoding apparatus and method for a discrete multi-tone transmission system
01/11/2001WO2001003304A1 Partial response channel having combined mtr and parity constraints
01/09/2001US6173018 Multi level comparator for demodulator
12/2000
12/27/2000EP1062731A1 Digital signal modulation system
12/26/2000US6167550 Write format for digital data storage
12/20/2000CN1277497A Data demdulating method and demodlator circuit for synchronous electromagnetic induction communication
12/20/2000CN1277493A Data decoding equipment and data decoding method
12/19/2000US6163284 Signal processing circuit and signal processing method
12/06/2000EP1057268A1 Device for encoding n-bit source words into corresponding m-bit channel words and decoding m-bit channel words into corresponding n-bit source words
12/06/2000EP1057267A1 Device for encoding n-bit source words into corresponding m-bit channel words and decoding m-bit channel words into corresponding n-bit source words
11/2000
11/29/2000EP1056209A2 Four-to-six code table, modulation using same but no merging bit, their application to optical disc recording or playing systems
11/29/2000EP1056084A2 Data decoding apparatus and data decoding method
11/29/2000CN1275262A Modulating device and method demodulating device and method and providing support associe
11/29/2000CN1274998A Run-length limited code distributing method, modulating and demodulating method and device thereof
11/23/2000WO2000070768A1 Apparatus for decoding a serial datastream of channel words into a datastream of information words
11/22/2000CN1274484A Appts. and method for modulation/demodlation with consecutive minimum runlength limitation
11/21/2000US6150964 M=10 (2,10), D=3.75 runlength limited code for multi-level data
11/21/2000US6150963 Method and system for compensating for variations in supply voltage applied to pulse width modulation conversion circuits
11/14/2000US6148428 Method and apparatus for modulation encoding data for storage on a multi-level optical recording medium
11/14/2000US6147963 Communications system for driving pairs of twisted pair links
11/08/2000EP1050971A2 Method and apparatus for producing a pulse width modulated signal
11/08/2000EP1020035A4 Method and apparatus for encoding a binary signal
11/07/2000US6144977 Circuit and method of converting a floating point number to a programmable fixed point number
11/07/2000US6144324 Method of modulating and demodulating digital data and digital data modulator/demodulator
10/2000
10/31/2000US6141787 Digital modulation and demodulation
10/25/2000EP1047197A2 RLL modulation with enhanced DC suppression
10/25/2000EP1046234A1 Generation of a runlength limited digital information signal
10/17/2000US6133858 Bus system, a peripheral device and a method for decoding a digital signal
10/17/2000CA2185372C Method and apparatus for generating high rate codes for recording information on a magnetic medium
10/03/2000US6127954 PRML code encoding and decoding methods for high-density data storage device
10/03/2000US6127951 Modulating device, modulating device, demodulating device, demodulating device, and transmission medium run length limited coder/decoder with restricted repetition of minimum run of bit sequence
09/2000
09/27/2000EP1039704A2 Data modulation with provision of a symbol timing reference
09/27/2000EP1039644A2 Multi-level signal discriminator
09/21/2000WO2000055974A1 ENCODING/DECODING n-BIT SOURCE WORDS INTO CORRESPONDING m-BIT CHANNEL WORDS, AND VICE VERSA, SUCH THAT THE CONVERSION IS PARITY INVERTING
09/20/2000EP1037389A2 Method of generating run length limited (RLL) code having improved DC suppression capability and modulation/demodulation method of the generated RLL code
09/20/2000CN1267057A Method for producing run-length limited code and method of modulating/demodulating said code
09/13/2000EP1035473A1 Method for correcting errors in a multilevel memory
09/13/2000CN1266549A Static viterbi detector for channels utilizing code having time varying constraints
09/12/2000US6118393 EFM signal frame period detecting circuit, and system for controlling the frequency of the bit synchronizing clock signal used for reproducing the EFM signal
09/05/2000US6115430 Differentiating circuit and clock generator circuit using the differentiating circuit
08/2000
08/29/2000US6111833 Data decoder
08/23/2000CN1264123A Decoding device, data reproducing device and decoding method
08/22/2000US6107945 Correlated sampled area detector
08/16/2000EP1027768A1 Digital modulation employing single sideband with suppressed carrier
08/15/2000US6104326 Bit synchronization apparatus for recovering high speed NRZ data
08/09/2000CN1055363C Apparatus for decoding signal encoded by using trellis coded modulation
08/08/2000US6101561 System for providing an increase in digital data transmission rate over a parallel bus by converting binary format voltages to encoded analog format currents
07/2000
07/26/2000EP1022858A2 Decoding apparatus, data reproduction apparatus, and decoding method
07/26/2000CN1054937C Modulation/demodulation circuit for a digital signal recorder /reproducer
07/19/2000EP1021010A2 Methods of dynamically assigning channel codes of different lengths in wireless communication systems
07/19/2000EP1020035A1 Method and apparatus for encoding a binary signal
07/18/2000US6091347 Device and method for modulation and transmission medium
07/11/2000CA2295265A1 Methods of dynamically assigning channel codes of different lengths in wireless communication systems
07/04/2000US6084537 Return-to-zero transmitter
07/04/2000US6084536 Conversion of a sequence of m-bit information words into a modulated signal
06/2000
06/29/2000WO2000038329A1 Device for encoding n-bit source words into corresponding m-bit channel words and decoding m-bit channel words into corresponding n-bit source words
06/29/2000WO2000038328A1 Device for encoding n-bit source words into corresponding m-bit channel words and decoding m-bit channel words into corresponding n-bit source words
06/29/2000CA2321504A1 Device for encoding n-bit source words into corresponding m-bit channel words and decoding m-bit channel words into corresponding n-bit source words
06/29/2000CA2321208A1 Device for encoding n-bit source words into corresponding m-bit channel words and decoding m-bit channel words into corresponding n-bit source words
06/28/2000EP1014379A1 Integrated circuit with decoder element
06/28/2000EP1014363A2 Reproducing apparatus
06/28/2000CN1053987C Modulating method, demodulating method, modulating apparatus, and demodulating apparatus
06/28/2000CN1053986C Modulating method and demodulating method as well as modulating apparatus and demodulating apparatus
06/22/2000WO2000036754A1 Entropy code mode switching for frequency-domain audio coding
06/20/2000US6079041 Digital modulation circuit and digital demodulation circuit
06/13/2000CA2182428C Method and apparatus for generating dc-free sequences
06/07/2000CN1256029A Signal space detector for channels utilizing code having time varying contraints
06/07/2000CN1255702A Modulation method and demodulation method, and modulator and demodulator thereof
06/06/2000US6072410 Coding/decoding method for high density data recording and reproduction
05/2000
05/31/2000EP1005201A2 Code conversion for optical, duobinary transmission
05/31/2000EP1004191A1 Remote vehicle data interface tag system
05/31/2000CN1254995A Code conversion circuit for optical duobinary transmission and optical transmitter and receiver
05/30/2000CA2186348C Data level selection for multilevel vsb transmission system
05/17/2000EP1001539A2 Conversion method, restoration method, conversion device, and restoration device
05/17/2000EP1000467A1 Apparatus and method for modulation /demodulation with consecutive minimum runlength limitation
05/16/2000US6064697 Pulse modulating method, pulse modulating equipment and pulse demodulating equipment
05/16/2000US6064646 Data communication apparatus and method
05/10/2000CN1252906A Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa
05/09/2000US6061005 Encoding of data
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