Coded data generation or conversion – Digital code to digital code converters – To or from constant distance codes
Patent
1997-09-26
2000-02-15
Williams, Howard L.
Coded data generation or conversion
Digital code to digital code converters
To or from constant distance codes
H03M 716
Patent
active
060257911
ABSTRACT:
Four parallel lines are provided for the guided transmission of a data flow with a high rate (sub-GHz range). Two data bits per transmission clock are transmitted via these lines. The other two remaining lines are used for signaling certain changes in both data bits. Data transmission and signaling are accomplished on the basis of the Grey code. In other words, only one of the four lines changes state per clock. The interface according to the invention has reduced sensitivity to signal skew and permits simple clock recovery in terms of circuit engineering.
REFERENCES:
patent: 3373421 (1968-03-01), Wang
patent: 3675236 (1972-07-01), Shoap
patent: 4528665 (1985-07-01), Burns et al.
patent: 5300930 (1994-04-01), Burger et al.
patent: 5633636 (1997-05-01), Reyhani
ASCOM Tech AG
Williams Howard L.
LandOfFree
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