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:
Dec. 24, 1991

Filed:

Dec. 13, 1989
Applicant:
Inventor:

Kunihiro Ando, Tokyo, JP;

Assignee:

Clarion Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340765 ; 340752 ;
Abstract

A liquid crystal display control device uses first and second common signals supplied to two segments forming a pair in a liquid crystal display element to always generate four kinds of segment signals synchronizing with these two common signals and selectively supply one segment signal among them to the two segments to control their display operations.


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