The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 01, 2006

Filed:

Feb. 12, 2004
Applicants:

Makoto Onozawa, Kawasaki, JP;

Yoshinori Okada, Kawasaki, JP;

Hideaki Ohki, Yokohama, JP;

Masatoshi Hira, Kawasaki, JP;

Haruo Koizumi, Kawasaki, JP;

Inventors:

Makoto Onozawa, Kawasaki, JP;

Yoshinori Okada, Kawasaki, JP;

Hideaki Ohki, Yokohama, JP;

Masatoshi Hira, Kawasaki, JP;

Haruo Koizumi, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G09G 3/28 (2006.01); G09G 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A pre-drive circuit having low deviation of timing of a high level and a low level output voltages is disclosed. A plurality of drive systems are comprised, each having an input amplifier circuits for amplifying input voltages input to input voltage terminals, high level shift circuits for shifting signal levels output from the input amplifier circuits, and output amplifier circuits for amplifying shift signals output from the high level shift circuits, and each drive system has the same constitution.


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