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