Voltage conversion circuit and semiconductor integrated...

Details Voltage conversion circuit and semiconductor integrated... Voltage conversion circuit and semiconductor integrated...

2006-06-06

2006-06-06

Cho, James H. (Department: 2819)

Electronic digital logic circuitry

Having logic levels conveyed by signal frequency or phase

C326S083000, C327S172000

Reexamination Certificate

active

07057417

ABSTRACT:
By using a first delay circuit that delays by a predetermined time a reference pulse signal having a constant pulse width and a second delay circuit that delays by an arbitrary time the output signal of the first delay circuit, a voltage conversion circuit generates an output pulse signal having a variable pulse period, and varies its output voltage according to the pulse period of this output pulse signal.

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patent: 6166562 (2000-12-01), Mita et al.
patent: 60-54516 (1985-03-01), None
patent: 7-135643 (1995-05-01), None
patent: 10-242831 (1998-09-01), None
patent: 11-233276 (1999-08-01), None

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