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.
Patent No.:
Date of Patent:
Feb. 13, 1979
Filed:
Jul. 27, 1976
Applicant:
Inventors:
Seiichi Matsumoto, Yokohama, JP;
Tokuichi Tsunekawa, Yokohama, JP;
Takashi Uchiyama, Yokohama, JP;
Naoki Ayata, Yokohama, JP;
Yoji Matsufuji, Tokyo, JP;
Yukitoshi Ohkubo, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350332 ; 350350 ;
Abstract
A liquid crystal display device has a power source, a voltage converter, a liquid crystal display cell and a control signal generator. The voltage supplied from the power source to the converter is converted into a voltage for operating the liquid crystal display cell and such converted voltage is supplied to the liquid crystal display cell while a control signal derived from the control signal generator is also applied to the liquid crystal display cell, thereby effecting display.