| Patents for H03M 5 - Conversion of the form of the representation of individual digits (4,193) |
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| 05/14/1999 | CA2308064A1 Digital modulation employing single sideband with suppressed carrier |
| 05/12/1999 | EP0915571A2 A coding/decoding method for high density data recording and reproduction |
| 05/11/1999 | US5903233 Extended binary apparatus and method |
| 05/06/1999 | WO1999022375A1 Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa |
| 05/06/1999 | CA2276296A1 Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa |
| 04/27/1999 | US5898531 Signal processing apparatus for digitally modulating input data |
| 04/27/1999 | US5898394 Code conversion method and apparatus, code recording medium, code recording apparatus and code reproducing apparatus |
| 04/21/1999 | CN1214814A Conversion of PCM signal into UPWM signal |
| 04/20/1999 | US5896541 Null convention register file |
| 04/13/1999 | US5893899 Method and apparatus for the display of digitized analog signal loss |
| 04/08/1999 | WO1999017456A1 Method and apparatus for encoding a binary signal |
| 04/06/1999 | US5892858 Duobinary coding and modulation technique for optical communication systems |
| 04/06/1999 | US5892467 Signal modulation method employing multilevel run length limit coding scheme |
| 04/06/1999 | US5892466 Coding scheme for transmitting data |
| 04/01/1999 | DE19741483A1 Superconductive single-flux-quantum circuit for converting RZ signals to NRZ signals |
| 03/31/1999 | CN1212524A Demodulator, clock recovery circuit, demodulation method and clock recovery method |
| 03/31/1999 | CN1042783C Transmission circuit for binary single |
| 03/24/1999 | EP0903864A2 Demodulating device, demodulating method and transmission medium |
| 03/18/1999 | DE19841233A1 Demodulator for e.g. Manchester encoded signals |
| 03/17/1999 | EP0902544A2 Modulating device, demodulating device and transmission medium |
| 03/10/1999 | CN1210633A Conversion of sequence of m-bit information words into a modulated signal |
| 03/09/1999 | US5881046 Signal recording apparatus for recording a synchronous and cancel code on a recording medium |
| 03/03/1999 | EP0899885A2 PRML code encoding and decoding methods dor high-density data storing device |
| 03/02/1999 | US5877909 Control signal generation apparatus for a digital information signal recording system |
| 03/02/1999 | US5877908 Modulating device for recording pilot signals |
| 02/25/1999 | WO1999009719A1 Remote vehicle data interface tag system |
| 02/25/1999 | CA2297951A1 Remote vehicle data interface tag system |
| 02/18/1999 | WO1999008376A1 Static viterbi detector for channels utilizing a code having time varying constraints |
| 02/16/1999 | US5872531 Signal encode/decode system |
| 02/09/1999 | US5870037 Method and apparatus, demodulating method and signal demodulating apparatus |
| 01/27/1999 | CN1206186A EFM signal frame period detecting circuit, and system for controlling frequency of bit synchronizing clock signal used for reproducing the EFM signal |
| 01/26/1999 | US5864311 Systems for enhancing frequency bandwidth |
| 01/19/1999 | US5861825 Method and device for code modulation, method and device for code demodulation, and method and device for decoding |
| 01/13/1999 | EP0890244A1 Transition controlled balanced encoding scheme |
| 01/13/1999 | EP0890221A1 Conversion of a pcm signal into a upwm signal |
| 01/13/1999 | EP0890170A1 A rate 24/25 modulation code for prml recording channels |
| 01/12/1999 | US5859601 Method and apparatus for implementing maximum transition run codes |
| 01/12/1999 | US5859600 Apparatus for modulating digital data and adding control data |
| 01/06/1999 | CN1204424A Digital modulation apparatus, digital modulation method and recording medium therefor |
| 01/05/1999 | US5856980 Baseband encoding method and apparatus for increasing the transmission rate over a communication medium |
| 12/29/1998 | US5854812 Method of digital transmission of messages using dynamic-range-limited precoding |
| 12/29/1998 | US5854704 Receiver for optical digital transmission system |
| 12/29/1998 | US5854600 For converting/encoding analog signals to a standard digital format |
| 12/29/1998 | US5854596 Encoding arrangement and method for encoding (n-1)-bit information words into n-bit channel words and decoding arrangement and method for decoding the channel words into information words |
| 12/23/1998 | WO1998044633A3 Maximum transition run length code |
| 12/23/1998 | EP0886407A2 5B6B coding for split channel transmission |
| 12/08/1998 | US5847666 Data transmitter and method object code generator and method digital signal processor and code generator and method |
| 12/02/1998 | EP0881778A2 Ternary signal input circuit |
| 12/02/1998 | EP0881640A2 A demodulation circuit, a decode circuit and a digital PLL circuit for an optical disc apparatus |
| 12/01/1998 | US5844507 Rate 16/17 ENDEC with independent high/low byte decoding |
| 11/26/1998 | WO1998053454A1 Digital modulation and digital demodulation |
| 11/25/1998 | EP0880234A2 Data modulation and transmission |
| 11/25/1998 | EP0880233A1 Extended-trinary coded decimal apparatus and method |
| 11/24/1998 | US5841481 Method of accessing rows in a memory array |
| 11/19/1998 | WO1998052287A2 Signal space detector for channels utilizing a code having time varying constraints |
| 11/18/1998 | CN1040824C Digital modulating/demodulation method and apparatus using same |
| 11/17/1998 | US5838274 Systems for achieving enhanced amplitude resolution |
| 11/12/1998 | DE19820435A1 Signal transceiver for conductive path system with several logic values |
| 11/04/1998 | EP0875998A2 Modulating method and demodulating method as well as modulating apparatus and demodulating apparatus |
| 10/29/1998 | WO1998034413A3 Data encoder/decoder for a high speed serial link |
| 10/27/1998 | US5828754 Method of inhibiting copying of digital data |
| 10/27/1998 | US5828228 Null convention logic system |
| 10/20/1998 | US5825824 DC-balanced and transition-controlled encoding method and apparatus |
| 10/20/1998 | US5825309 Data modulating method and modulating and demodulating apparatuses |
| 10/15/1998 | WO1998045970A1 System and method for spectrally shaping transmitted data signals |
| 10/15/1998 | CA2285073A1 System and method for spectrally shaping transmitted data signals |
| 10/13/1998 | US5821883 Data modulation apparatus and data modulation apparatus including means for adding constant data to the ends of input address data and recording data necessary for run-length limited (1,7) decoding |
| 10/13/1998 | CA2139548C Digital decoding of biphase-mark encoded serial digital signals |
| 10/08/1998 | WO1998044636A1 Maximum transition run length code |
| 10/08/1998 | WO1998044635A1 Duobinary coding and modulation technique for optical communication systems |
| 10/08/1998 | WO1998044633A2 Maximum transition run length code |
| 10/07/1998 | EP0868785A1 Conversion of a sequence of m-bit information words into a modulated signal |
| 10/06/1998 | US5818878 Method and apparatus for decoding a diphase-coded digital signal |
| 10/06/1998 | US5818367 Signal modulating method, signal modulating apparatus, signal demodulating method and signal demodulating apparatus |
| 10/06/1998 | US5818362 5B4T coding scheme |
| 09/30/1998 | EP0867073A1 A digital modulation apparatus, a digital modulation method, and a recording medium therefor |
| 09/23/1998 | EP0866564A2 Method for decoding a data signal corresponding to a bit sequence |
| 09/22/1998 | US5812447 Method and apparatus to write and/or read two types of data from memory |
| 09/22/1998 | US5812073 Method and apparatus for generating run-length limited code |
| 09/16/1998 | EP0865166A1 Method of modulating and demodulating digital data and digital data modulator demodulator |
| 09/16/1998 | EP0864204A1 Integrated drivers for flat panel displays employing chalcogenide logic elements |
| 09/15/1998 | US5808574 Systems for achieving enhanced frequency resolution |
| 09/08/1998 | US5805632 Bit rate doubler for serial data transmission or storage |
| 09/08/1998 | US5805478 Data detection method and apparatus in data storage device |
| 09/08/1998 | US5805094 For conversion of a signal transmitted serially by process apparatus |
| 09/02/1998 | EP0862286A1 Optical regeneration for optical fibre transmission systems with non-soliton signals |
| 09/01/1998 | US5801651 Manchester decoder with received signal blanking |
| 09/01/1998 | US5801649 Matched spectral null encoder/decoder |
| 08/18/1998 | US5796962 Null convention bus |
| 08/18/1998 | CA2226955A1 Optical regeneration for optical fibre transmission systems carrying non-soliton signals |
| 08/13/1998 | WO1998035329A1 Method for transmitting data during pulse intervals of a speed signal, and circuit for carrying out said method |
| 08/11/1998 | US5793988 Parallel data transfer system and method utilizing different modulating waveforms |
| 08/11/1998 | US5793662 Null convention adder |
| 08/06/1998 | WO1998034413A2 Data encoder/decoder for a high speed serial link |
| 08/05/1998 | CN1189729A Symbol timing recovery circuit in digital demodulator |
| 08/04/1998 | US5790057 System for transforming three state data to two state data |
| 08/04/1998 | US5790056 Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, device, recording device, signal, as well as a record carrier |
| 07/30/1998 | WO1998033306A1 Method of using multisignal single unit and plural unit |
| 07/22/1998 | EP0854482A1 System for decoding the EFM and EFM-PLUS format in optical disc (CD and DVD) read units and corresponding method of decoding |
| 07/22/1998 | EP0853852A1 Block coding for digital video transmission |