Comparing circuit, comparator, level determining circuit and...

Details Comparing circuit, comparator, level determining circuit and... Comparing circuit, comparator, level determining circuit and...

2005-03-22

2005-03-22

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S072000, C327S074000

Reexamination Certificate

active

06870403

ABSTRACT:
In a comparing circuit, an input signal switching circuit has a first input terminal, a second input terminal, a first output terminal and a second output terminal. The input signal switching circuit is configured to receive a first input signal inputted to the first input terminal and a second input signal inputted to the second input terminal. The input signal switching circuit is also configured to output the first input signal to switchably one of the first and second output terminals and the second input signal to other thereof in accordance with a switching signal. A comparator has a reverse input terminal and a non-reverse input terminal and configured to receive through the reverse input terminal a first signal outputted from the first output terminal, and receive through the non-reverse input terminal a second signal outputted from the second output terminal.

REFERENCES:
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patent: 5563597 (1996-10-01), McCartney
patent: 6191989 (2001-02-01), Luk et al.
patent: 6346834 (2002-02-01), Chai
patent: 53-110784 (1978-09-01), None
patent: 58-1893 (1983-01-01), None
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patent: 2-20121 (1990-01-01), None
patent: 5-235757 (1993-09-01), None

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