Patents
Patents for H03M 5 - Conversion of the form of the representation of individual digits (4,193)
03/1991
03/01/1991CA2056980A1 Decoder circuit
03/01/1991CA2021749A1 Bi-phase code generation and amplification circuit for microwave and millimeter-wave frequencies
02/1991
02/27/1991EP0134817B1 Method of transferring digital signal
02/20/1991EP0413076A1 Data coding for fast start-up of PRML receivers
01/1991
01/29/1991US4988999 Digital modulation method
01/26/1991WO1991001597A1 Method and circuit for decoding a manchester code signal
01/26/1991CA2064240A1 Method and circuit for decoding a manchester code signal
01/15/1991US4985700 Variable-length coding/decoding device
01/09/1991EP0407094A2 Digital signal reproducing apparatus
01/09/1991CN1048473A Digital transmission system transmitter and receiver for use in transmission system, and record carrier obtained by means of transmitter in form of recording device
01/08/1991US4983965 Demodulation apparatus
01/02/1991EP0406086A1 Method and device for decoding duobinary data transmitted by bursts
01/02/1991EP0405836A2 Data encoding and demodulation system
12/1990
12/28/1990CA2016957A1 Data encoding and demodulation system
12/27/1990EP0404462A2 Signal processing apparatus and method
12/19/1990EP0402973A1 Digital transmission system, transmitter and receiver for use in the transmission system, and record carrier obtained by means of the transmitter in the form of a recording device
12/12/1990CN1010825B Method and apparatus for channelized serial transmission of redundantly encoded binary data
12/11/1990CA1277786C Optical signal processing
12/06/1990DE3918551A1 Verfahren zur analogen uebertragung bzw. speicherung einer digitalen information A method for analog transmission and storage of digital information
12/04/1990WO1990015494A1 Process for analog transmission or storage of digital data
12/04/1990CA2060893A1 Process for analog transmission or storage of digital data
12/02/1990CA2475414A1 Decoder, receiver and method for decoding an encoded digital audio signal
11/1990
11/27/1990US4973973 Code converter and encoder for converting a unipolar binary coded signal into a bipolar binary coded signal
11/22/1990DE3916482A1 PCM signal conversion into pulse width modulated signals - supplying bit-reduced data words to presettable counter data inputs
11/20/1990US4972106 Binary-to-ternary converter for combining two binary signals
11/01/1990WO1990013122A1 Multi-purpose circuit for decoding binary information
10/1990
10/31/1990CN1010270B Duobinary encoded signal decoder
10/24/1990CN1046406A Digital modulation method
10/23/1990US4965883 Method and apparatus for transmitting and receiving characters using a balanced weight error correcting code
10/23/1990US4965575 Data alignment circuit and method for self-clocking encoded data
10/17/1990EP0392653A2 High speed asynchronous data interface
10/17/1990EP0392506A2 Digital modulation method
10/16/1990US4964139 Multi-purpose circuit for decoding binary information
10/16/1990US4963872 Method and arrangement for generating a mean-value-free binary signal
10/10/1990CN1046057A High speed asynchronous data interface
10/02/1990US4961192 Data error detection and correction
09/1990
09/30/1990CA2012256A1 High speed asynchronous data interface
09/26/1990EP0388615A1 CMI decoder and clock frequency recovery
09/25/1990USRE33356 Frequency modulation coding methods with reduced transition intervals
09/23/1990WO1990011651A1 Method for modulating binary data
09/23/1990WO1990011650A1 Digital circuit for encoding binary information
09/23/1990WO1990011649A1 Circuit for decoding binary information
09/23/1990CA2049932A1 Circuit for decoding binary information
09/23/1990CA2048999A1 Method for modulating binary data
09/23/1990CA2048995A1 Digital circuit for encoding binary information
09/18/1990US4958243 Phase discrimination and data separation method and apparatus
09/04/1990US4954826 Digital code conversion apparatus
09/04/1990US4954825 Self clocking binary data encoding/decoding method
08/1990
08/29/1990EP0384795A1 Method and device for transmitting information between stations of a communication network, especially for a motor vehicle
08/29/1990EP0384258A2 Alternate pulse inversion encoding scheme for serial data transmission
08/24/1990CA2002783A1 Alternate pulse inversion encoding scheme for serial data transmission
08/21/1990US4951050 2:1 Voltage matrix encoded I/O transmission system
08/21/1990US4951049 Self clocking binary information encoder
08/14/1990US4949196 Method and apparatus for asymmetrical RLL coding
08/09/1990WO1990009022A1 Low bit rate transform coder, decoder and encoder/decoder for high-quality audio
08/08/1990EP0381464A2 Transmitting high-bandwidth signals on coaxial cable
08/08/1990EP0214261B1 Signal generation
08/03/1990CA2007369A1 Transmitting high-bandwidth signals on coaxial cable
08/02/1990DE3902406A1 Circuit arrangement for converting a conditioned diphase-coded data signal into a binary-coded data signal
08/01/1990EP0380172A2 Binary data signal transmission system
07/1990
07/31/1990US4945538 Method and apparatus for processing sample values in a coded signal processing channel
07/24/1990US4943965 Digital signal decoding method and circuit therefor
07/17/1990CA1271846A1 Method of encoding n-bit information words into m-bit code words, apparatus for carrying out said method, method of decoding m-bit code words into n-bit information words, andapparatus for carrying out said method
07/11/1990EP0377335A2 Decoding biphase-coded data
07/10/1990CA1271531A1 Circuit arrangement for sampling a ternary signal
06/1990
06/28/1990WO1990007242A1 Apparatus and method for binary data transmission
06/19/1990CA2004827A1 Apparatus and method for binary data transmission
06/07/1990DE3834259A1 Schaltung zur erzeugung eines dreipegel-impulssignals Circuit for generating a three-level pulse signal
05/1990
05/23/1990EP0369962A2 Method for processing signals in a channel
05/22/1990US4928289 Apparatus and method for binary data transmission
05/22/1990US4928187 Method and apparatus for encoding and decoding binary data
05/16/1990CN1042262A Phase discrimination and data separation method and apparatus
05/09/1990EP0367093A2 DC-free line code for arbitrary data transmission
05/01/1990US4922249 Binary-to-bipolar converter
04/1990
04/25/1990EP0165242B1 Fiber optic digital data transmitting system
04/19/1990WO1990004290A1 Data alignment circuit and method for self-clocking encoded data
04/18/1990EP0364170A2 High speed serial data link
04/10/1990US4916558 Circuit for fetching (1-7) run-length-limited coded write data
04/03/1990US4914438 Digital information coding system
03/1990
03/27/1990US4912467 Three-part encoder circuit
03/21/1990EP0359573A2 Apparatus for recovering data recorded on a magnetic storagemedium
03/21/1990EP0359265A2 Zero string error detection circuit
03/20/1990US4910750 Data transmission system
03/07/1990CN1007116B Digital wire receiver
02/1990
02/28/1990EP0355988A2 Method and apparatus for transmitting and receiving characters using a balanced weight error correcting code
02/28/1990EP0355137A1 Dynamic speed shifter for fiber optic data transmission
02/20/1990CA1266128A1 Data modulation interface
02/13/1990US4900953 Logic circuit employing field effect transistor having junction with rectifying characteristic between gate and source
02/06/1990US4899114 Voltage source amplifier for use in a pseudoternary code transmitter
01/1990
01/31/1990EP0352937A2 Data error detection and correction
01/30/1990US4897854 Alternate pulse inversion encoding scheme for serial data transmission
01/17/1990EP0351055A1 Digital modulator and demodulator
01/17/1990CN1038905A Method for modulating binary data stream
01/03/1990EP0348805A2 Transmission system with a transmission code for binary data
12/1989
12/28/1989WO1989012894A1 Three-part decoder circuit
12/28/1989WO1989012893A1 Three-part encoder circuit
12/28/1989WO1989012892A1 Method for modulating a binary data stream
12/28/1989WO1989012891A1 Three-part decoder circuit
12/21/1989DE3917214A1 Method for the bit-serial transmission of datawords
12/20/1989EP0346777A1 Three-part encoder circuit
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