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:
Apr. 17, 1979
Filed:
Mar. 10, 1976
Applicant:
Inventor:
Makoto Yoshida, Tokorozawa, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
340765 ; 340804 ; 350333 ;
Abstract
A liquid crystal display driver control circuit device comprising a control circuit turning on and off a display cell between an alternating current voltage supply source and the input of a liquid crystal driver circuit and said control circuit controlling the display of at least one digit figure or mark by means of a small number of elements.