Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › H03M 5 - Conversion of the form of the representation of individual digits
Patents for H03M 5 - Conversion of the form of the representation of individual digits (4,193)
12/1989
12/20/1989EP0346776A1 Three-part decoder circuit
12/20/1989EP0346775A1 Method for modulating a binary data stream
12/20/1989EP0346774A1 Three-part decoder circuit
12/19/1989US4888790 Timing recovery system using bipolar-pattern center estimator
12/19/1989US4888586 Data transmission system
12/12/1989US4887083 Bipolar with eight-zeros substitution and bipolar with six-zeros substitution coding circuit
12/06/1989EP0344903A2 Traversed (d, k) code translation
12/05/1989US4885582 "Simple code" encoder/decoder
11/1989
11/28/1989US4884074 Method and apparatus for encoding and decoding binary information
11/21/1989US4882583 Modified sliding block code for limiting error propagation
11/14/1989US4881059 Manchester code receiver
11/08/1989CN1037059A Number-to-pulse-duration converter
11/02/1989EP0339727A2 Circuit arrangement for producing a binary signal
10/1989
10/24/1989US4876697 Three-part decoder circuit
10/24/1989US4876615 Data decoding system
10/11/1989EP0336681A2 Code converter and encoder including the same
10/10/1989US4873680 Apparatus and method for detecting and compensating for pit extension in an optical disk recording system
10/10/1989US4873524 Decoding unit for CMI-encoded signals
10/03/1989CA1262189A1 Method and apparatus for implementing optimum prml codes
09/1989
09/27/1989EP0334443A1 Binary-to-ternary converter for combining two binary signals
09/26/1989US4870513 Method and arrangement for the recording and playback of data
09/26/1989US4870414 Even mark modulation coding method
09/26/1989CA1261473A1 Signal generation
09/20/1989EP0333321A2 Even mark modulation coding
09/19/1989US4868922 Data modulation/demodulation system utilizing demodulation clocks that differ in phase
09/19/1989US4868853 Demodulation circuit for digital modulated signal
09/19/1989US4868569 Biphase digital look-ahead demodulating method and apparatus
09/12/1989US4866544 Data modulation and demodulation system for magnetic recording system
09/05/1989US4864303 Encoder/decoder system and methodology utilizing conservative coding with block delimiters, for serial communication
08/1989
08/30/1989EP0330177A2 Circuit for generating discrimination level voltage
08/29/1989US4862482 Receiver for Manchester encoded data
08/22/1989US4860324 Information data recovering apparatus
08/22/1989US4860310 Duobinary encoded signal decoder
08/22/1989US4860235 Arithmetic unit with alternate mark inversion (AMI) coding
08/22/1989US4860009 Bidirectional multiframe converter for data communications systems
08/09/1989EP0326614A1 Synchronous signal decoder
08/08/1989US4855742 Method of transmitting n-bit information words, information transmission system for carrying out the method, and encoding device and decoding device for use in the information-transmission system
08/01/1989US4853943 Manchester code clock and data recovery system
08/01/1989US4853931 Violating All Zero Octet (VAZO) detector for a zero byte time slot interchange (ZBTSI) encoder
07/1989
07/26/1989EP0325391A2 Pseudo-ternary code transmitter
07/25/1989US4851837 Method and apparatus for processing digital signals prior to recording
07/25/1989CA1257933A1 Synchronous encoder
07/11/1989US4847831 Bidirectional repeater for manchester encoded data signals
07/11/1989US4847702 Method and apparatus for converting a binary signal
06/1989
06/27/1989US4843331 Coherent digital signal blanking, biphase modulation and frequency doubling circuit and methodology
06/20/1989CA1255940A1 Fiber optic workstation datalink interface
06/07/1989EP0319216A2 Coding apparatus and magnetic recording system the same
06/06/1989US4837821 Signal transmission system having encoder/decoder without frame synchronization signal
06/06/1989US4837782 CMI decoder
06/06/1989CA1255390A1 Rll (1,7) encoder with single state bit
06/01/1989WO1989005079A1 Dynamic speed shifter for fiber optic data transmission
05/1989
05/23/1989US4833471 Data processing apparatus
05/23/1989US4833470 Code conversion apparatus
05/23/1989US4833467 Data transmission system
05/16/1989US4831635 Trellis codes with spectral nulls
05/09/1989US4829545 Method and apparatus for data window centering ina multifrequency data separator
05/09/1989US4829541 Pseudo-ternary code transmitter
05/09/1989US4829300 Signal generation
05/05/1989WO1989001721A3 Synchronous signal decoder
04/1989
04/19/1989EP0311974A2 Timing recovery system using bipolar-pattern center estimator
04/18/1989CA1252895A1 Byte-wide encoder and decoder system for rll (1,7) code
04/05/1989EP0310041A2 8-bit to 9-bit code conversion system and 8/9 converter
04/04/1989US4818969 Method of fixed-length binary encoding and decoding and apparatus for same
04/04/1989CA1252199A1 Digital information signal encoding method
03/1989
03/30/1989DE3730560A1 Method and device for transmitting pulse signals
03/28/1989US4817115 Encoding and decoding system for electronic data communication system
03/28/1989CA1251867A1 Packet transmission device in an asynchronous temporal network and method for coding silences
03/23/1989DE3737015C1 Method and circuit arrangement for extracting a clock signal for a CMI signal
03/22/1989EP0308245A2 Circuit for fetching run-length-limited coded write data
03/21/1989US4815107 Digital code decoding apparatus
03/21/1989US4814644 Basic circuitry particularly for construction of multivalued logic systems
03/15/1989EP0306760A1 Coherent digital signal blanking, biphase modulation and frequency doubling circuit and methodology
03/14/1989US4813059 Readback recovery of run length limited codes
03/07/1989US4811361 Method and apparatus for transmission of digital data
03/07/1989US4810995 Arithmetic and logic operating unit
03/01/1989EP0304799A2 Apparatus for demodulating a biphase signal
02/1989
02/28/1989US4809303 Dynamic speed shifter for fiber optic work station
02/28/1989US4809301 Detection apparatus for bi-phase signals
02/28/1989US4809256 Optical demultiplexer
02/28/1989US4808854 Use in inverting signals in a logic circuit
02/23/1989WO1989001721A2 Synchronous signal decoder
02/22/1989EP0303691A1 Encoding and decoding system for electronic data communication system
02/21/1989US4807260 Non high frequency clock dependent Manchester biphasic decoder and comparator
02/21/1989US4806907 Apparatus and method for digital data transmission
02/21/1989US4806880 High speed integrator for data recovery and a costas phase-locked-loop circuit incorporating same
02/01/1989EP0301191A2 PRML coding
01/1989
01/31/1989US4802190 Method of transmitting information by means of code signals, information transmission system for carrying out the method, and transmitting and receiving apparatus for use in the transmission system
01/18/1989EP0299639A2 Digital data communications system
01/10/1989US4797581 Circuit for converting tri-state signals into binary signals
01/03/1989US4796280 Digital data separator
12/1988
12/27/1988US4794604 Optimal error correction method for zero byte time slot interchange (ZBTSI) clear channel data transmission
12/13/1988US4791407 Communications system
12/13/1988CA1246693A1 Phase modulated pulse logic for gallium arsenide
12/07/1988CN88101687A Duobinary encoded signal decoder
12/01/1988DE3816203A1 Semiconductor circuit
11/1988
11/29/1988US4788695 System for decoding self-clocking data signals
11/29/1988US4788605 Receive Manchester clock circuit
11/22/1988US4786890 Method and apparatus for implementing a PRML code
11/22/1988US4786882 Quadriphase phase modulation system
11/15/1988US4785466 Encoder/decoder circuit for B8ZS and B6ZS applications
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