Pulse or digital communications – Cable systems and components
Patent
1997-03-27
1999-05-11
Chin, Stephen
Pulse or digital communications
Cable systems and components
375220, 375238, 34031001, 34031006, H04B3/00;1/38
Patent
active
059036079
ABSTRACT:
A method and device for encoding and transmitting a clock signal, a supply voltage and bidirectional digital data from a master circuit to a slave circuit, including the steps of: holding a first conductor at a first voltage with respect to a second conductor; periodically raising the first conductor to a second voltage with respect to the second conductor, a fixed period after a previous raising to the second voltage; holding the first conductor at the second voltage for one of a number of predetermined periods, then returning the first conductor to the first voltage, the voltage of the first conductor not falling below the first voltage; controlling the predetermined periods to each have one of a number of fixed durations, each duration having a logical significance.
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French Search Report for FR 9603890, filed Mar. 28, 1996.
Chin Stephen
Maddox Michael W.
SGS-Thomson Microelectronics S.A.
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