Test circuit, electro-optical device, and electronic apparatus

Details Test circuit, electro-optical device, and electronic apparatus Test circuit, electro-optical device, and electronic apparatus

2006-05-11

2009-11-17

Mengistu, Amare (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S076000

Reexamination Certificate

active

07619620

ABSTRACT:
A test circuit for detecting an output signal from a driving circuit includes a judging circuit which outputs a detection signal when the output signal output from the driving circuit has one polarity, but does not output the detection signal when the output signal has the other polarity, and an amplifying circuit which amplifies the signal from the judging circuit.

REFERENCES:
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patent: 7205986 (2007-04-01), Osada
patent: 7265572 (2007-09-01), Osada
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patent: 7518602 (2009-04-01), Nozawa
patent: 7528817 (2009-05-01), Osada
patent: 2001/0040565 (2001-11-01), Koyama
patent: 2004/0239598 (2004-12-01), Koyama
patent: A-08-062580 (1996-03-01), None
patent: A-2004-212984 (2004-07-01), None

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