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:
May. 08, 2007

Filed:

Dec. 06, 2005
Applicants:

Katsuhiko Morosawa, Tachikawa, JP;

Takumi Yamamoto, Fussa, JP;

Inventors:

Katsuhiko Morosawa, Tachikawa, JP;

Takumi Yamamoto, Fussa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G11C 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A shift circuit of a shift register includes an output terminal, an input terminal, a reset terminal. A voltage is applied to a first wiring in response to the output signal from the preceding stage shift circuit to the input terminal and in accordance with the predetermined voltage to the first wiring, outputting an externally applied signal to the output terminal. A voltage level of the first wiring is reduced in response to the output signal to the reset terminal by the preceding stage shift circuit. The voltage is applied to the second wiring in response to a change in the level of the voltage applied to the first wiring. The voltage is applied to a second wiring in response to the output signal to the reset terminal by the preceding stage shift circuit. A voltage level of the output signal is reduced in response to the predetermined voltage to the second wiring.


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