Patents
Patents for H03M 5 - Conversion of the form of the representation of individual digits (4,193)
09/1993
09/14/1993US5245339 Flexible encoding method and architecture for high speed data transmission and storage
09/11/1993CA2091208A1 Modulating method and demodulating method as well as modulating apparatus and demodulating apparatus
09/07/1993US5243630 Method of and arrangement for generating a clock signal from a biphase modulated digital signal
09/07/1993US5243628 Encoding method and code processing circuitry
09/02/1993WO1993017417A1 Optical recording medium, its recording method, its reproducing method, and method for generating tracking error signal
09/01/1993EP0558118A2 Transmission system comprising receiver with improved timing means
08/1993
08/31/1993US5241309 Data coding for fast start-up of prml receivers
08/25/1993EP0556980A1 Method and circuit for performing running disparity measurements
08/25/1993EP0556697A1 Method and device for the transmission of additional information
08/18/1993EP0555832A2 Data modulating method and apparatus and data demodulating method and apparatus
08/17/1993US5237590 Timing extraction circuit and communication system utilizing the same
08/11/1993EP0554638A2 Method and apparatus for implementing PRML codes with maximum ones
08/05/1993WO1993015558A2 Information compaction system
08/04/1993EP0553530A2 Information recording/reproducing apparatus using an optical recording medium
07/1993
07/27/1993US5231650 Digital signal reproducing apparatus
07/27/1993US5231545 Fault tolerant rll data sector address mark decoder
07/21/1993EP0551695A1 Synchronizer and receiver for bi-phase coded data
07/20/1993US5229769 Method and circuit for performing running disparity measurements
07/01/1993DE4142652A1 Code conversion between word lengths for digital video signal - selecting 14-bit data words having 2 to 8 successive bits identical, for 8-bit input
06/1993
06/29/1993US5224126 Phase ambiguity resolution for manchester-encoded data
06/24/1993WO1993012599A1 Embedded signalling
06/22/1993US5222105 Opto-electronic interface for decoding wave division multiplexed manchester gray coded binary signals
06/16/1993EP0546795A1 Digital modulator or demodulator circuit
06/15/1993US5220568 Shift correcting code for channel encoded data
06/09/1993EP0545516A2 Method of determining a synchronous signal pattern and method of and device for recording the synchronous signal pattern on a medium
05/1993
05/26/1993EP0543070A1 Coding system and method using quaternary codes
05/19/1993DE4220597C1 Digital signal coding method e.g. for computer network - generating data pulses with three or more pulse widths dependent on pulse widths and polarities of preceding pulse(s)
05/18/1993US5212808 Method and an apparatus for re-establishing wireless communication between a base unit and a remote unit
05/13/1993WO1993009604A1 Run length limited encoding/decoding system for low power disk drives
05/13/1993WO1993009493A1 A wireless communication system
05/11/1993CA1317671C Phase discrimination and data separation method and apparatus
05/05/1993EP0540351A2 Error correcting apparatus for digital data and digital sync. detecting apparatus
05/05/1993EP0539488A1 Method and apparatus for bandwidth limited binary signals.
05/05/1993CN1020517C Phase discrimination and data separation method and apparatus
05/04/1993US5208834 Lexicographical encoding and decoding of state-dependent codes
04/1993
04/28/1993EP0538867A2 Decision-directed digital phase locked loop
04/27/1993US5206646 Digital modulating method
04/21/1993EP0537407A1 Flexible encoding method and architecture for high-speed data transmission and storage
04/14/1993EP0536816A1 Data modulation and demodulation system for magnetic recording system
04/13/1993CA1316261C Method and apparatus for transmitting and receiving characters using a balanced weight error correcting code
04/07/1993EP0535560A2 Modulator circuit for regeneration of a digital recording medium
03/1993
03/31/1993EP0534575A2 Voltage source amplifier
03/31/1993EP0489819B1 Improved decoder circuit
03/30/1993US5198813 Digital recording system with (8,16,2,5) run length limited (rll) code
03/30/1993US5198700 Doubletpulse generator
03/23/1993US5196849 Method and apparatus for implementing PRML codes with maximum ones
03/23/1993US5196848 Code modulation system using modulated data code tables
03/23/1993CA1314999C Method and apparatus for decoding manchester encoded data
03/16/1993US5194766 Multi-level logic input circuit
03/03/1993EP0529724A2 Synchronization method for a run-length limited code (1,7) and circuit arrangement
02/1993
02/09/1993US5185766 Apparatus and method for decoding biphase-coded data
02/02/1993US5184125 Data encoding and demodulation system
01/1993
01/21/1993WO1993001591A1 Method and apparatus for digital storage and retrieval of data
01/14/1993DE4214966A1 Code conversion system for data transmission network - with preamble provided by encoder at transmission end supplied to controller coupled to decoder at reception end
01/05/1993US5177482 Rll encoder and decoder with pipelined plural byte processing
12/1992
12/29/1992US5175545 Data coding system in a magnetic recording apparatus
12/29/1992US5175544 Digitally controlled bit synchronizer
12/23/1992CN1019628B Digital binary to ternary converter circuit
12/22/1992US5173694 Binary data encoding and decoding using a rate 2/5 (2,18,2) code
12/10/1992WO1992022060A1 Improved signal encode/decode system
12/09/1992EP0517483A2 Fault tolerant RLL data sector address mark decoder
12/08/1992US5170396 Data valid detector circuit for manchester encoded data
12/08/1992US5169341 Electrical connector
12/01/1992US5168511 Manchester data recorder with synchronously adjustable clock
11/1992
11/26/1992WO1992021083A1 Null convention speed independent logic
11/26/1992CA2103257A1 Null convention speed independent logic
11/25/1992EP0514949A2 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
11/24/1992US5166958 Coding apparatus with low-frequency and DC suppression
11/24/1992US5166684 Variable length encoder having sign bit separation
11/19/1992EP0513860A2 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
11/18/1992CN1066337A Digital modulating method and digital modulating apparatus
11/17/1992US5164966 Nrz clock and data recovery system employing phase lock loop
11/10/1992US5162791 Collision detection using code rule violations of the manchester code
11/04/1992EP0511692A2 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
11/04/1992EP0511498A2 Encoding apparatus for digital signal with improved block channel coding
11/03/1992US5160929 System for parallel communication of binary data via trinary transmission lines
10/1992
10/31/1992CA2065554A1 Opto-electronic interface for decoding wave division multiplexed manchester gray coded binary signal
10/13/1992US5155485 Digital modulating apparatus and digital demodulating apparatus
10/13/1992CA1308811C Method and apparatus for implementing a prml code
09/1992
09/30/1992EP0506446A1 Digital modulating method and digital modulating apparatus
09/29/1992US5151699 Data converting apparatus
09/16/1992EP0503863A2 Lexicographical encoding and decoding of state-dependent codes
09/09/1992EP0502739A2 NRZ clock and data recovery system employing phase lock loop
09/08/1992CA2061909A1 Nrz clock and data recovery system employing phase lock loop
09/03/1992WO1992015094A1 Circuitry for generating binary signals from ternary signals
09/02/1992EP0500804A1 Self-synchronizing infra-red communication system
09/01/1992US5144305 Transmission arrangement comprising a block code encoded main channel and an auxiliary channel
08/1992
08/26/1992EP0500263A2 Method for synchronising a receiver's data clock
08/25/1992CA1306774C Circuit for generating discrimination level voltage
08/20/1992DE4104645A1 Schaltung zum erzeugen eines binaersignals aus einem ternaeren signal Circuit for generating a binary signal from a ternary signal
08/18/1992US5140474 Device for recording a digital information signal on a record carrier
08/05/1992EP0497625A1 Shock absorber
08/05/1992EP0497391A1 Method of, and arrangement for, generating a clock signal from a biphase modulated digital signal
07/1992
07/28/1992US5134637 Clock recovery enhancement circuit
07/28/1992US5134632 Decoding binary-coded transmissions
07/15/1992CN1017489B Ditital modulation method
07/14/1992US5130862 Coding apparatus for converting digital signals into ternary signals whose dc component is equal to zero
07/14/1992CA1305258C Bipolar with eight-zeros substitution and bipolar with six-zeros substitution coding circuit
07/07/1992US5128792 Self-synchronizing infra-red communication system
07/01/1992EP0493044A2 Digital modulation
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