Coded data generation or conversion – Digital code to digital code converters – To or from multi-level codes
Patent
1998-04-29
1999-11-16
Young, Brian
Coded data generation or conversion
Digital code to digital code converters
To or from multi-level codes
341 56, 36476001, G06F 752, H03M 516
Patent
active
059865873
ABSTRACT:
A redundant binary code conversion circuit consists of first to third RBC conversion circuits 261 to 263. The circuit 261 consists of decoders 30 to 38 of the same construction, the circuit 262 consists of RBC 2-digit conversion circuits 40 to 47 of the same construction and the circuit 263 consists of decoders 50 to 58 of the same construction. The circuit 261, as an exception, converts RBC patterns `...TT011...`(`T` is -1), `...110TT...`, `...TT1...` and `...11T...` of n digits to RBC patterns `...T10T0T...`, `...1T0101...`, `...T10T...` and `...1T01...` of (n+1) digits, respectively, circuit 262 converts RBC patterns `...1T...` and `...T1...` to RBC patterns `...01...` and `...0T...`, respectively, and circuit 263 converts RBC patterns `...10TT...` and `...T011...` to RBC patterns `...0101...` and `...0T0T...`, respectively.
REFERENCES:
patent: 5172380 (1992-12-01), Odaka
patent: 5473559 (1995-12-01), Makino
patent: 5570309 (1996-10-01), Miyoshi et al.
patent: 5636155 (1997-06-01), Kabuo
patent: 5907499 (1999-05-01), Suzuki
Fujitsu Limited
Jean-Pierre Peguy
Young Brian
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