Receiving apparatus and method thereof

Details Receiving apparatus and method thereof Receiving apparatus and method thereof

2006-09-06

2009-06-16

Singh, Dalzid (Department: 2613)

Optical communications

Receiver

C398S208000, C398S210000

Reexamination Certificate

active

07548700

ABSTRACT:
According to the invention, there is provided a receiving apparatus including: a first threshold voltage generation unit which generates a first threshold voltage lower than substantially half of a peak voltage of the voltage signal; a second threshold voltage generation unit generating a second threshold voltage lower by the first threshold voltage than the peak voltage of the voltage signal; and a selection unit which, when the voltage signal changes from a first potential to a second potential higher than the first potential, selects and outputs the second threshold voltage after exceeding the first threshold voltage, and when the voltage signal changes from the second potential to the first potential, selects and outputs the first threshold voltage after falling below the second threshold voltage.

REFERENCES:
patent: 5777507 (1998-07-01), Kaminishi et al.
patent: 6130662 (2000-10-01), Umeda
patent: 6246499 (2001-06-01), Kunito et al.
patent: 7002881 (2006-02-01), Okuda et al.
patent: 7092644 (2006-08-01), Davidson
patent: 7449669 (2008-11-01), Sakura
patent: 2004/0100317 (2004-05-01), Suzunaga
patent: 8-4755 (1996-02-01), None
patent: 2003-198295 (2003-07-01), None
U.S. Appl. No. 11/445,306, filed Jun. 2, 2006, Hiroshi Suzunaga.

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