Demultiplexer circuit

Details Demultiplexer circuit Demultiplexer circuit

2005-03-25

2008-11-25

Nguyen, Chau (Department: 2619)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C375S365000

Reexamination Certificate

active

07457323

ABSTRACT:
A demultiplexer circuit includes a first serial-to-parallel conversion circuit for receiving input serial data and for performing serial-to-parallel conversion to output resultant data to parallel paths, a code detection circuit for activating and outputting a detection signal on detection of coincidence between output data sent out from the first serial-to-parallel conversion circuit to the parallel paths and a predetermined check code, a circuit for generating recovery clocks of a period corresponding to the length of a predetermined number of bits of the input serial data, and for varying the period of the recovery clocks, in case the detection signal from the code detection circuit is activated, in dependence upon bit deviation of the detection signal, to output resulting recovery clocks; and a second serial-to-parallel conversion circuit for converting data serially transmitted on the parallel paths into parallel data to output resulting parallel data responsive to the recovery clocks.

REFERENCES:
patent: 6393082 (2002-05-01), Nakamura
patent: 2003/0161429 (2003-08-01), Chiang
patent: 11-187002 (1999-07-01), None
European Search Report dated Jul. 8, 2005.

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