Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › H03M 5 - Conversion of the form of the representation of individual digits
Patents for H03M 5 - Conversion of the form of the representation of individual digits (4,193)
07/1998
07/14/1998US5781742 Data transfer system interconnecting a computer and a display device
07/14/1998US5781133 Method and apparatus for implementing run length limited codes
07/14/1998US5781131 Data encoding method and data decoding method
07/14/1998US5781130 M-ary (d,k) runlength limited coding for multi-level data
07/14/1998US5781129 Adaptive encoder circuit for multiple data channels and method of encoding
07/09/1998WO1998029872A1 A rate 24/25 modulation code for prml recording channels
07/07/1998US5777992 Decoder for decoding and encoded digital signal and a receiver comprising the decoder
06/1998
06/30/1998US5774078 Single merging bit DC-suppressed run length limited coding
06/30/1998US5774077 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
06/30/1998US5774002 Frequency doubler for an optical transceiver clock recovery circuit
06/16/1998US5767798 Modulation code encoder and/or decoder
06/09/1998US5764170 Code conversion method
06/09/1998US5764169 Coding method and apparatus
06/09/1998US5764165 Rotated counter bit pulse width modulated digital to analog converter
06/04/1998DE19643410A1 Digital signal decoding method
06/03/1998CN1183609A Code conversion method and apparatus, code recording medium, code recording apparatus and code reproducing apparatus
06/02/1998US5760718 Encoding arrangement for encoding a sequence of (N-1)-bit information words into a sequence of N-bit channel words, and a deciding arrangement for decoding a sequence of N-bit channel words in a sequence of (N-1)-bit information words
05/1998
05/28/1998WO1998023060A1 Method and device for transmitting data
05/27/1998EP0483296B1 Process for evaluating binary data of a magnetic storage card
05/27/1998CN1183160A Data decoder
05/26/1998US5757863 Apparatus for decoding a signal encoded by using trellis coded modulation
05/26/1998US5757296 Data decoding apparatus and method and recording medium
05/26/1998US5757294 Rate 24/25 modulation code for PRML recording channels
05/26/1998US5757293 M=8 (1,2) runlength limited code for multi-level data
05/20/1998EP0843447A1 Method for the transmission of asynchronous NRZ signals using frequency modulation
05/20/1998EP0842577A1 Matched spectral null encoder/decoder
05/20/1998DE19647453A1 Digital video device
05/13/1998CN1181567A Seal anti-forged system
05/12/1998US5751775 Transmission circuit of a line encoded signal on a telephone line
05/12/1998US5751169 Emitter coupled logic (ECL) gate which generates intermediate signals of four different voltages
05/05/1998US5748123 Decoding apparatus for Manchester code
05/05/1998US5748119 Devices and methods for channel-encoding and channel-decoding of digital data
05/05/1998US5748118 M=7 (3,8) runlength limited code for multi-level data
05/05/1998US5748117 M=8 (1,3) runlength limited code for multi-level data
04/1998
04/30/1998WO1998018208A1 Conversion of a sequence of m-bit information words into a modulated signal
04/23/1998WO1998017005A1 Method and circuit for digital modulation and method and circuit for digital demodulation
04/23/1998DE19643502A1 Decoding of pulse width modulated digital bus signals
04/22/1998EP0836769A1 Rotated-bit pulse width modulated digital-to-analog converter
04/22/1998EP0761040A4 Method and apparatus for implementing a type 8b6t encoder and decoder
04/21/1998US5742244 Nonlinear run-length coding
04/21/1998US5742243 Method and apparatus for reducing DC component of RLL codes
04/14/1998US5739783 Data recording apparatus
04/14/1998US5739779 Encoding circuit and decoding circuit
04/07/1998US5737140 Simple pulse position modulation channel/decoder
03/1998
03/24/1998US5731768 Method and apparatus for implementing codes with maximum transition run length
03/24/1998US5731719 Phase detector for a ternary signal
03/19/1998WO1998011669A1 Three state switch detection using current sensing
03/19/1998CA2264911A1 Three state switch detection using current sensing
03/18/1998EP0829856A1 Optical recording medium, recording and reproducing method and tracking error generating method
03/18/1998EP0829855A1 Optical recording medium, recording and reproducing method and tracking error generating method
03/18/1998EP0829854A1 Optical recording medium, recording and reproducing method and tracking error generating method
03/18/1998CN1176461A Signal modulation method employing multilevel run length limit coding scheme
03/17/1998US5729224 Code conversion and demodulation apparatus, a method thereof, and a recording medium
03/10/1998US5726650 Adaptive manchester decoding with adjustable delay and power saving mode
02/1998
02/12/1998WO1998006181A1 System for implementing run length limited codes
02/12/1998WO1997036408A3 Transition controlled balanced encoding scheme
02/11/1998EP0823787A2 A rate 16/17 ENDEC with independent high/low byte decoding
02/10/1998US5717395 Rate 16/17 ENDEC with independent high/low byte decoding
02/10/1998US5717352 Wave formatter circuit for semiconductor test system
02/04/1998EP0822555A2 Code conversion method and apparatus, code recording medium, code recording apparatus and code reproducing apparatus
02/03/1998US5714852 Three state switch detection using current sensing
01/1998
01/28/1998EP0821360A1 Data decoder
01/07/1998EP0817408A1 Receiver for optical digital signal transmission system
01/07/1998EP0817191A2 Information recording apparatus, information recording medium and information reproducing apparatus
01/06/1998US5706118 Optical transmission method and optical transmission apparatus
12/1997
12/31/1997WO1997050182A1 M=4(2,10), d=2.5 runlength limited code for multi-level data
12/31/1997WO1997050181A1 M=9(2,10), d=3.75 runlength limited code for multi-level data
12/31/1997WO1997050180A1 M=6 (2,10), d=3.0 runlength limited code for multi-level data
12/31/1997WO1997050179A1 M=10 (2,10), d=3.75 runlength limited code for multi-level data
12/30/1997US5703580 Apparatus for encoding and decoding run length limited code data
12/24/1997WO1997049187A1 Analog interface circuits
12/17/1997CN1168208A ATV/MPEG sync system
12/16/1997US5699434 Method of inhibiting copying of digital data
12/16/1997US5699062 Transmission code having local parity
12/16/1997US5699061 Method and apparatus for generating NRZI code with limited runs of ones
12/10/1997EP0811974A2 Simple pulse position modulation channel/decoder
12/09/1997US5696505 Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, decoding device, recording device, reading device, signal, as well as record carrier
12/03/1997EP0810602A2 Improvements in systems for achieving enhanced frequency resolution
12/03/1997EP0810601A2 Improvements in hidden code side channels
12/03/1997EP0810600A2 Improvements in systems for archieving enhanced amplitude resolution
12/03/1997EP0810599A2 Improvements in signal encode/decode systems
12/02/1997US5694054 Integrated drivers for flat panel displays employing chalcogenide logic elements
11/1997
11/26/1997CN1166225A 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
11/19/1997EP0808028A1 Pulse modulating method, pulse modulator, and pulse demodulator
11/13/1997WO1997042715A1 Rotated-bit pulse width modulated digital-to-analog converter
11/13/1997CA2227866A1 Rotated-bit pulse width modulated digital-to-analog converter
11/11/1997US5687193 Manchester coder/decoder
11/04/1997US5684783 Reproducing apparatus having a detector for simultaneously scanning adjacent tracks of an optical recording medium
10/1997
10/28/1997US5682157 Frequency-alternating synchronized infrared
10/28/1997US5682155 M=6(4,11) runlength limited code for multi-level data
10/28/1997US5682154 M=4 (1,2) runlength limited code for multi-level data
10/28/1997US5682153 Adjust bit determining circuit
10/22/1997EP0801847A1 Null convention threshold gate
10/21/1997US5680128 M=6(3,8) runlength limited code for multi-level data
10/15/1997EP0740863B1 Pulse density mapping method for delta sigma modulators
10/14/1997US5677911 Data frame format for a digital signal having multiple data constellations
10/09/1997WO1997037433A1 Conversion of a pcm signal into a upwm signal
10/07/1997US5675330 M=5(4,11)runlength limited code for multi-level data
10/07/1997CA2060342C Device for subband coding with samples scanned across frequency bands
10/02/1997WO1997036408A2 Transition controlled balanced encoding scheme
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