Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 23 - Apparatus or local circuits for systems other than those covered by groups
Patents for H04L 23 - Apparatus or local circuits for systems other than those covered by groups (1,371)
06/1995
06/28/1995EP0659292A1 Digital communications system, a transmitting apparatus and a receiving apparatus for use in the system
06/13/1995US5424732 Transmission compatibility using custom compression method and hardware
05/1995
05/16/1995US5416797 System and method for generating signal waveforms in a CDMA cellular telephone system
05/02/1995US5412689 Modal propagation of information through a defined transmission medium
01/1995
01/26/1995WO1995002873A1 Digital communications system, a transmitting apparatus and a receiving apparatus for use in the system
10/1994
10/25/1994US5359627 Channel codec apparatus and method utilizing flat codes
10/18/1994US5357546 Multimode and multiple character string run length encoding method and apparatus
10/18/1994US5357250 Adaptive computation of symbol probabilities in n-ary strings
10/04/1994US5353303 Technique for increasing the data rate in a spread spectrum data link
06/1994
06/23/1994DE4242438A1 Data transmission procedure using double ring loop
06/21/1994US5323155 Semi-static data compression/expansion method
05/1994
05/03/1994US5309474 Communication system
04/1994
04/13/1994EP0474710B1 Process for analog transmission or storage of digital data
04/13/1994EP0345282B1 Spectrally efficient digital modulation method and apparatus
03/1994
03/22/1994US5297259 Information processing system for transmitting information from one apparatus to another
02/1994
02/02/1994EP0581713A2 Multimode and multiple character string run length encoding method and apparatus
01/1994
01/05/1994EP0576749A1 Data pipeline system and data encoding method
01/04/1994US5276898 System for selectively compressing data frames based upon a current processor work load identifying whether the processor is too busy to perform the compression
12/1993
12/01/1993EP0536334A4 System and method for generating signal waveforms in a cdma cellular telephone system
08/1993
08/24/1993US5239560 Conveying digital data in noisy, unstable, multipath environments
05/1993
05/25/1993CA1318358C2 Digital radio frequency receiver
05/18/1993CA1318035C Adaptive data compression method and apparatus
04/1993
04/20/1993US5204874 Method and apparatus for using orthogonal coding in a communication system
04/14/1993EP0536334A1 System and method for generating signal waveforms in a cdma cellular telephone system
10/1992
10/27/1992US5159608 Method and apparatus for using orthogonal coding in a communication system
10/15/1992WO1992017970A1 Channel codec apparatus and method utilizing flat codes
09/1992
09/08/1992US5146473 Subscriber unit for wireless digital subscriber communication system
07/1992
07/21/1992US5132986 Csk communication system
05/1992
05/20/1992CN1061312A System and method for generating signal waveforms in cdma cellular telephone system
04/1992
04/07/1992US5103459 System and method for generating signal waveforms in a cdma cellular telephone system
03/1992
03/04/1992EP0252930B1 Data processing method and apparatus
01/1992
01/29/1992EP0468910A2 Dynamic data compression utilization method and system
01/15/1992EP0345282A4 Spectrally efficient digital modulation method and apparatus
01/09/1992WO1992000639A1 System and method for generating signal waveforms in a cdma cellular telephone system
08/1991
08/07/1991EP0439807A2 Code shift keying communication system
03/1991
03/19/1991US5001723 Sinusoidal M-ary orthogonal keyed decoding
03/13/1991EP0258341B1 Method for digital data transmission
02/1991
02/13/1991EP0412424A2 High speed digital telemetry system for implantable device
02/07/1991DE3925669A1 Generating orthogonal pulses in digital transmission systems - superimposes pulse basic function in specified system, forming first orthogonal pulse
01/1991
01/23/1991EP0397686A4 Apparatus for efficiently packing data in a buffer
01/15/1991US4985706 Process for data transmission by means of a geo-stationary satellite and at least one sub-satellite
12/1990
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
11/1990
11/22/1990EP0397686A1 Apparatus for efficiently packing data in a buffer.
09/1990
09/25/1990CA1274595A1 Signal receiver
07/1990
07/31/1990US4944299 High speed digital telemetry system for implantable device
06/1990
06/12/1990US4933952 Asynchronous digital correlator and demodulators including a correlator of this type
05/1990
05/02/1990EP0366086A2 Code shift keying (csk) apparatus and method for spectrum spread communication
04/1990
04/03/1990US4914675 Apparatus for efficiently packing data in a buffer
12/1989
12/13/1989EP0345282A1 Spectrally efficient digital modulation method and apparatus.
10/1989
10/11/1989EP0336832A1 Asynchronous digital correlator and demodulators comprising such a correlator
09/1989
09/12/1989US4866440 Method for compressing and restoring data series and apparatus for realizing same
08/1989
08/29/1989US4862167 Adaptive data compression method and apparatus
08/15/1989US4857898 Data compression technique for reconfigurable remote control apparatus
08/10/1989WO1989007372A1 Apparatus for efficiently packing data in a buffer
08/08/1989US4855941 Process for compression of a data set
06/1989
06/29/1989DE3841386A1 Constant speed of travel control device
06/14/1989EP0320066A2 Data compression technique for reconfigurable remote control apparatus
06/13/1989US4839724 Process for the digital transmission of information
05/1989
05/31/1989CN2038691U Telegraph interface for microcomputer
05/23/1989US4833694 Signal receiver
04/1989
04/04/1989US4819079 Data processing apparatus
03/1989
03/28/1989US4817170 Process and device for the transmission of coded information
03/09/1989EP0204763A4 Data compressing computer system and process thereto.
12/1988
12/21/1988EP0295295A1 Process for data transmission by means of a geo-stationary satellite and at least one sub-satellite
11/1988
11/15/1988CA1244948A1 Data communication with modified huffman coding
10/1988
10/05/1988CN88200253U Single current interface for microcomputer telexpc
10/04/1988CA1242799A1 On-the-fly data compression system
09/1988
09/28/1988EP0283735A2 Adaptive data compression method and apparatus
08/1988
08/11/1988WO1988005983A1 Spectrally efficient digital modulation method and apparatus
06/1988
06/30/1988WO1988004866A1 Process for data transmission by means of a geo-stationary satellite and at least one sub-satellite
04/1988
04/12/1988US4737969 Spectrally efficient digital modulation method and apparatus
03/1988
03/23/1988EP0260851A2 Data transmission system with correlation receiver
03/09/1988EP0258341A1 Method for digital data transmission.
01/1988
01/20/1988EP0252930A1 Data processing method and apparatus.
11/1987
11/10/1987US4706265 Code converting system and method for band compression of digital signals
11/10/1987US4706264 Digital data compression method and means
10/1987
10/20/1987US4701746 Device for converting code signals of one bit number into a code signal of a smaller bit number
10/14/1987EP0241381A1 Compression method of an information set
10/13/1987US4700175 Data communication with modified Huffman coding
09/1987
09/01/1987CA1226369A1 Method and apparatus for data compression
08/1987
08/27/1987WO1987005178A1 Method for digital data transmission
07/1987
07/21/1987US4682241 Data transfer system
07/21/1987US4682150 Data compression method and apparatus
07/07/1987CA1223965A1 High speed data compression and decompression apparatus and method
06/1987
06/18/1987WO1987003721A1 Data processing method and apparatus
04/1987
04/21/1987CA1220866A1 Interface method and apparatus
02/1987
02/24/1987US4646061 Data communication with modified Huffman coding
02/10/1987US4642810 Repetitive sequence data transmission system
02/03/1987CA1217563A1 Code converting circuit
01/1987
01/08/1987DE3522859A1 Narrowband transmission method for a digital mobile radio system
12/1986
12/17/1986EP0204763A1 Data compressing computer system and process thereto
08/1986
08/27/1986EP0192595A1 Method and device for transmitting coded information
07/1986
07/29/1986CA1208786A1 Data compression
07/01/1986US4598411 On-the-fly data compression system
06/1986
06/24/1986US4597057 Machine implemented method of compressing and storing information
05/1986
05/22/1986WO1986003037A1 Data compressing computer system and process thereto
05/12/1986EP0160672A4 Method and apparatus for data compression.
05/07/1986EP0180469A2 Code converting system and method for band compression of digital signals
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