Patents
Patents for H03M 5 - Conversion of the form of the representation of individual digits (4,193)
11/1988
11/02/1988EP0289237A2 Improved manchester code receiver
11/01/1988US4782489 Method for decoding binary code words using estimated values
10/1988
10/26/1988EP0287776A2 Phase-locked data detector
10/26/1988EP0287586A1 Data transmission system and method for use therein.
10/25/1988CA1243737A1 Self-synchronizing scrambler
10/18/1988US4779073 Apparatus for 3B-2T code conversion
10/18/1988US4779072 Channel encoder
10/12/1988CN86102403B Facsimile coding circuit
10/11/1988CA1243123A1 Method of transmitting information, encoding device for use in the method, and decoding device for use in the method
10/05/1988CN86102400B Facsimile decoding circuits
10/04/1988US4775985 Method of dc-free 8/9 nrz coding using a unique sync word pattern
09/1988
09/28/1988EP0284164A1 Decoding unit for CMI-encoded signals
09/21/1988EP0283077A1 Apparatus for decoding dual binarily coded signals
09/21/1988EP0282924A2 Bipolar with eight-zeros substitution and bipolar with six-zeros substitution coding circuit
09/14/1988EP0282249A2 Logic circuit employing field effect transistor having junction with rectifying characteristic between gate and source
09/13/1988US4771440 Data modulation interface
09/07/1988WO1988006819A1 Encoding and decoding system for electronic data communication system
09/06/1988US4769723 Multiplexed bus data encoder and decoder for facilitating data recording
09/06/1988CA1241755A1 Biphase code generating apparatus
09/06/1988CA1241707A1 Digital line receiver
08/1988
08/30/1988US4768206 Data transmission system
08/30/1988CA1241447A1 Method of transmitting information, encoding device for use in the method, and decoding device for use in the method
08/25/1988WO1988006384A1 An encoder/decoder system and methodology utilizing conservative coding with block delimiters, for serial communication
08/23/1988CA1241120A1 Alternate mark inversion (ami) receiver
08/10/1988EP0277855A1 Binary-to-bipolar converter
08/10/1988EP0277395A1 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
08/09/1988US4763338 Synchronous signal decoder
08/09/1988US4763108 Digital-to-analog conversion system
08/03/1988EP0276641A2 Data coding interface
08/02/1988US4761635 Method of coding digital information organized in frames using a CMI code, a device for implementing this method and application to servitude information for a high capacity digital network
07/1988
07/27/1988EP0275585A1 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
07/13/1988CN86103162B Circuits for detecting changing picture elements
07/12/1988US4757520 FM signal demodulating apparatus
07/06/1988EP0273687A1 Digital code conversion apparatus
07/05/1988CA1238957A1 Switched capacitor coupled line receiver circuit
06/1988
06/15/1988EP0271317A2 Data modulation and demodulation system for magnetic recording system
06/07/1988US4750193 Phase-locked data detector
06/07/1988US4750138 Method of transmitting information, encoding device for use in the method, and decoding device for use in the method
06/01/1988EP0269481A1 Method and device for transmitting digita data
05/1988
05/31/1988CA1237545A1 Data and voice communications system
05/24/1988US4747113 Process for the base band modulation of a data signal, as well as the corresponding modulation and demodulation apparatuses
05/24/1988US4746898 For receiving a data stream signal
05/17/1988US4745626 Decoder
05/11/1988DE3629705A1 Method for coding analog information, particularly tones
05/10/1988US4744104 Self-synchronizing scrambler
05/04/1988EP0266285A1 Method and apparatus for encoding and decoding binary information
04/1988
04/26/1988CA1235755A1 Carrier reproducing circuit for phase shift keying signals
04/12/1988US4737765 2,7 Code decoder with no more than 3 bits error propagation
04/07/1988WO1988002585A1 Trellis codes with spectral nulls
03/1988
03/29/1988US4734900 Restoring and clocking pulse width modulated data
03/22/1988US4733404 Apparatus and method for signal processing
03/15/1988US4731820 Data transmission system of key telephone system
03/15/1988US4731797 Circuit for implementing a low accumulated disparity code in high data rate digital transmission, and a coding method using such a circuit
03/02/1988EP0258031A2 Method and apparatus for data window centering in a multifrequency data separator
03/01/1988US4728929 Method and apparatus for encoding binary data
02/1988
02/23/1988CA1233233A1 Error correction scheme
02/04/1988DE3623864C1 Method and device for signal transmission for cables
01/1988
01/12/1988CA1231382A1 Signal transmission system having encoder/decoder without frame synchronization signal
01/07/1988EP0251758A2 Digital-to-analog conversion system
01/07/1988EP0250729A1 Apparatus for transmitting a data stream
01/05/1988CA1231176A1 Group coding system for serial data transmission
12/1987
12/23/1987EP0250049A1 Channel encoder
12/16/1987EP0249106A2 Asymmetric rll coding
12/16/1987EP0249069A1 Method and device for the conversion of a digital signal
12/02/1987EP0247652A1 Data transmission system using code conversion
11/1987
11/25/1987EP0246689A2 Circuit for converting three-state signals into binary signals
11/17/1987US4707681 Method and apparatus for implementing optimum PRML codes
11/04/1987EP0243708A1 Partial response maximum likelihood coding
10/1987
10/28/1987EP0242576A2 Restoring and clocking pulse width modulated data
10/20/1987US4701912 Device for transmitting packets in an asynchronous time-division network, and method of encoding silences
10/20/1987US4701746 Device for converting code signals of one bit number into a code signal of a smaller bit number
10/13/1987US4700364 FSK with continuous phase and continuous slope at bit transitions
10/13/1987US4700359 Circuit arrangement for sampling a ternary signal
10/07/1987EP0240146A2 Method and apparatus for the channelized serial transmission of redundantly encoded binary data
10/07/1987CN87102265A Method and apparatus for channelized serial transmission of redundantly encoded binary data
09/1987
09/17/1987DE3608357A1 Multiplexing and nB/mB coding arrangement
09/16/1987EP0237238A2 Decoder
09/02/1987EP0234948A2 Data transmission system
09/02/1987EP0234070A2 Apparatus for fixed-length binary encoding and decoding
09/01/1987US4691254 Data processing system including encoder, decoder and write precompensator, using run length limited code
09/01/1987US4691193 Methods and apparatus for encoding and decoding data to and from a (2,7) format
08/1987
08/27/1987DE3605396A1 Transmission system with transmission code for binary data
08/25/1987CA1226067A1 Multi-function data signal processing method and apparatus
08/18/1987US4688232 Decoder for Manchester encoded data
08/18/1987US4688016 Byte-wide encoder and decoder system for RLL (1,7) code
08/13/1987DE3603840A1 Fast chip which can be optionally used as HDBn coder or decoder
08/12/1987EP0232144A2 Data demodulation system
08/05/1987EP0230714A2 Data transmission system
08/04/1987US4684921 RLL (1,7) encoder with single state bit
07/1987
07/27/1987EP0165242A4 Fiber optic digital data transmitting system.
07/21/1987US4682052 Input buffer circuit
07/15/1987EP0228528A1 Apparatus for implementing a code with a small digital sum variation in a fast digital transmission, and coding method using such an apparatus
07/14/1987CA1224274A1 Manchester decoder
07/14/1987CA1224272A1 Method and apparatus for converting a digital signal
07/07/1987US4679209 Digital line receiver
07/01/1987EP0227521A1 Method for the CMI coding of digital information arranged in frames, apparatus for carrying it out and its use in consumer information for very fast digital networks
06/1987
06/30/1987US4677627 Error correction scheme
06/30/1987US4677421 Digital information signal encoding method with reduced run length and improved self-clocking
06/23/1987US4675884 Decoding circuit
06/23/1987US4675652 Integrated encoder decoder for variable length, zero run length limited codes
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