Patents
Patents for H03M 5 - Conversion of the form of the representation of individual digits (4,193)
03/1996
03/06/1996EP0638213B1 Data signal decoding device
02/1996
02/21/1996CN1031090C Digital transmission system
02/15/1996WO1996004739A1 Method and device for decoding a multivalent electrical signal and receiver comprising such a decoding device
02/15/1996CA2195749A1 Method and device for decoding a multivalent electrical signal and receiver comprising such a decoding device
02/14/1996CN1116787A Multibit decade-BCD code quick conversion circuit
01/1996
01/31/1996CN1115923A Digital modulating/demodulation method and apparatus using same
01/30/1996US5488628 Method and apparatus for transition encoding a logic signal
01/25/1996WO1996002054A1 Signal modulation method, signal modulator, signal demodulation method and signal demodulator
01/23/1996US5487017 Circuit activity driven multilevel logic optimization for low power reliable operation
01/23/1996US5486828 Method for outputting optimized digital data in a form
01/23/1996US5486827 EFM modulator for controlling digital sum variation of encoded data
01/17/1996CN1115088A Modulation/demodulation circuit for a digital signal recorder/reproducer
01/10/1996EP0691750A1 Digital modulating/demodulating method and apparatus using same
01/02/1996US5481555 System and method for error detection and reducing simultaneous switching noise
12/1995
12/27/1995EP0688487A1 Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto
12/26/1995US5479168 Compatible signal encode/decode system
12/19/1995US5477222 Device for encoding/decoding N-bit source words into corresponding M-bit channel words, and vice versa
12/12/1995US5475388 Method and apparatus for using finite state machines to perform channel modulation and error correction and entropy coding
12/05/1995US5473635 Data communication circuit
11/1995
11/30/1995WO1995032553A1 Method and apparatus for implementing a type 8b6t encoder and decoder
11/28/1995US5471462 Biphase bus monitor
11/21/1995US5469163 Multiple resonant tunneling circuits for positive digit range-4 base-2 to binary conversion
11/21/1995US5469162 Data modulation method
11/14/1995CA1337572C Digital code conversion apparatus
11/07/1995US5465268 Digital decoding of biphase-mark encoded serial digital signals
11/02/1995EP0680170A1 Circuit for the transmission of a line-coded signal on a telephone line with a frequency synchroniser
10/1995
10/25/1995EP0679000A1 Soft quantisation
10/24/1995US5461379 Digital coding technique which avoids loss of synchronization
10/19/1995WO1995028050A1 Data level selection for multilevel vsb transmission system
10/18/1995EP0677191A1 Method and apparatus for transmitting nrz data signals across an isolation barrier disposed in an interface between adjacent devices on a bus
10/17/1995US5459765 Phase comparator for biphase coded signal including preamble with code violation
10/17/1995US5459751 Demodulation circuit of communication control system
10/12/1995WO1995027284A1 Method of converting a sequence of m-bit information words to a modulated signal, method of producing a record carrier, coding device, decoding device, recording device, reading device, signal, as well as a record carrier
10/10/1995US5457411 Trinary logic input gate
10/10/1995US5457180 Methods for producing linear thiopeptides using an amino acid ortho amino thioanilide compound
09/1995
09/28/1995WO1995022802A3 Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, decoding device, recording device, reading device, signal, as well as a record carrier
09/27/1995EP0674393A1 Modulation method, recording method, reproducing method, recording and reproducing apparatus, recording and reproducing method, and reproducing apparatus
09/26/1995US5454006 Method and apparatus for bandwidth limited binary signals
09/26/1995US5453742 High density data compression encode/decode circuit apparatus and method of using in local area networks
09/20/1995EP0673028A2 Recording medium, signal recording apparatus thereof, and signal reproducing apparatus thereof
09/20/1995EP0672321A1 Improved device and method for precoding
09/19/1995US5451943 Data recording method and data recording apparatus using a digital sum value of a coded signal
09/12/1995US5450443 Method and apparatus for constructing asymptotically optimal second order DC-free channel codes
09/12/1995US5450023 Interface circuit using a limited number of pins in LSI applications
09/05/1995CA2025455C Speech coding system with generation of linear predictive coding parameters and control codes from a digital speech signal
08/1995
08/29/1995US5446765 Apparatus for recovering data and clock information from an encoded serial data stream
08/29/1995US5446758 Device and method for precoding
08/29/1995CA2059464C Serial data receiving apparatus
08/24/1995WO1995022802A2 Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, decoding device, recording device, reading device, signal, as well as a record carrier
08/22/1995US5444403 Duty discriminating circuit
08/01/1995US5438621 DC-free line code and bit and frame synchronization for arbitrary data transmission
07/1995
07/18/1995US5434400 Method and apparatus for decoding F2F signals read from a magnetic data carrier
07/11/1995US5432735 Ternary storage dynamic RAM
07/06/1995WO1995018494A1 Data frame format for variable size data constellations
07/05/1995EP0661818A2 Method and apparatus for decoding a diphase-coded digital signal
07/04/1995US5430745 Prejudging current state in a decoder for coded signal processing channels
06/1995
06/28/1995EP0660540A2 Decoder for decoding an encoded digital signal and a receiver comprising the decoder
06/28/1995EP0659314A1 Encoding data
06/27/1995US5428639 Two's complement pulse width modulator and method for pulse width modulating a two's complement number
06/20/1995US5426671 Transmission system comprising receiver with improved timing means
06/08/1995DE4341195A1 Run-length-limited code converter from 8-bit to 12-bit words
06/06/1995US5422641 Digital modulator and demodulator circuit
06/01/1995DE4437790A1 Channel modulation process for finite state machine with error correction and entropy coding
05/1995
05/10/1995EP0652562A1 Programmable single/dual output data streams RLL/NRZ decoder
04/1995
04/26/1995EP0650263A1 Coding and decoding methods and magnetic recording apparatus
04/25/1995US5410557 Method and apparatus for recognizing valid components in a digital signal
04/25/1995US5410309 Method and system for communicating data
04/25/1995US5410188 For generating complementary output data signals
04/20/1995WO1995010885A1 Pulse code bit cell demodulation
04/18/1995US5408498 Serial-signal transmission apparatus
04/11/1995US5406569 Error correcting apparatus for digital data and digital synchronizing detecting apparatus
04/06/1995WO1995009486A1 Pulse density mapping method for delta sigma modulators
03/1995
03/22/1995EP0644544A1 Pipelined decoder for high frequency operation
03/21/1995US5400364 Decision-directed digital phase locked loop
03/21/1995US5400023 Modulating method and demodulating method as well as modulating apparatus and demodulating apparatus
03/21/1995US5400022 Pulse code bit cell demodulation
03/15/1995EP0643489A1 Binary converter
03/14/1995US5398258 Wireless communication system
03/09/1995DE4330939A1 Level converter
03/07/1995US5396370 Process for evaluating binary data of a magnetic storage card
03/07/1995US5396237 Device for subband coding with samples scanned across frequency bands
02/1995
02/28/1995US5394438 Data transmitting method
02/21/1995US5392270 Information recording reproducing apparatus using data conversion to provide for accurate reproduction of high density recording using an optical recording medium
02/15/1995EP0638213A1 Data signal decoding device.
02/15/1995CN1098836A Modulating and demodulating method
02/14/1995US5390195 Miller-squared decoder with erasure flag output
01/1995
01/24/1995US5384808 Method and apparatus for transmitting NRZ data signals across an isolation barrier disposed in an interface between adjacent devices on a bus
01/19/1995WO1995002291A1 Improved device and method for precoding
01/19/1995WO1995002283A1 Encoding data
12/1994
12/28/1994EP0631240A1 Circuit for data transmission
12/28/1994EP0438460B1 Data alignment circuit and method for self-clocking encoded data
12/23/1994CA2126297A1 Data communication circuit
12/21/1994CN1096619A Intensity-stereo encoding and decoding in a transmission system
12/21/1994CN1096618A Digital transmission system for transmitting an additional signal such as a surround signal
12/20/1994US5375224 Raw data reader
12/14/1994CN1096392A Modulating method, demodulating method, modulating apparatus, and demodulating apparatus
12/13/1994US5373534 Serial data receiving apparatus
11/1994
11/23/1994EP0625828A2 Modulating method and apparatus, and demodulating apparatus
11/15/1994US5365231 Encoding apparatus for digital signal with improved block channel coding
11/10/1994WO1994026048A1 A method for including auxiliary data in a data signal encoded with a bipolar in-line code
1 ... 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 ... 42