Coded data generation or conversion – Digital code to digital code converters – With error detection or correction
Patent
1989-07-13
1991-06-11
Shoop, Jr., William M.
Coded data generation or conversion
Digital code to digital code converters
With error detection or correction
371 471, 375116, H03M 1300
Patent
active
050236121
ABSTRACT:
A circuit for eliminating illegal data sequences from a data stream is disclosed. The circuit examines a portion of an input data stream. The previously received data sequence is then examined. If the previously received data matches an illegal sequence, the stored data is altered. The stored data is then outputted to form an output data sequence.
REFERENCES:
patent: 3990049 (1976-11-01), Wirth
patent: 4169212 (1979-09-01), Kinch et al.
Pacific Bell
Shoop Jr. William M.
Young Brian K.
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