Data identifying device and light receiver using the same

Details Data identifying device and light receiver using the same Data identifying device and light receiver using the same

1995-12-29

1998-08-18

Chin, Stephen

Pulse or digital communications

Synchronizers

370516, 370517, 370518, H04L 700

Patent

active

057967920

ABSTRACT:
A device for identifying input data by using a first clock signal includes a first identifying unit which identifies the input data by using the first clock signal to generate first identified data and generates a first phase-relation determination result by determining whether a phase relation between the input data and the first clock signal is appropriate, a delay unit for delaying the input data by a predetermined phase amount to generate delayed input data, a second identifying unit which identifies the delayed input data by using the first clock signal to generate second identified data and generates a second phase-relation determination result by determining whether a phase relation between the delayed input data and the first clock signal is appropriate, and a selection unit which selects one of the first identified data and the second identified data based on at least one of the first phase-relation determination result and the second phase-relation determination result.

REFERENCES:
patent: 5022056 (1991-06-01), Henderson et al.
patent: 5127026 (1992-06-01), Kelly et al.
patent: 5197062 (1993-03-01), Picklesimer
patent: 5452323 (1995-09-01), Rosen
patent: 5544203 (1996-08-01), Casasanta et al.
patent: 5550860 (1996-08-01), Georgiou et al.
patent: 5553104 (1996-09-01), Takashi et al.
patent: 5588004 (1996-12-01), Suzuki et al.
patent: 5619506 (1997-04-01), Burch et al.

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