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:
Dec. 27, 1977
Filed:
Dec. 02, 1975
Applicant:
Inventor:
Sakae Houryu, Yokohama, JA;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F / ;
U.S. Cl.
CPC ...
3403 / ; 340336 ; 3501 / ;
Abstract
A liquid crystal display device is disclosed which comprises a plurality of groups of segment electrodes formed on a first plate for energization to define digits each having a seven bar format, and a plurality of groups of digit electrode elements opposed to respective groups of the segment electrodes being formed on a second plate opposed to the first plate. The digit electrode elements are driven by respective driving elements which are in turn selected by a digit pulse generator. There are provided means for altering the polarity of the driving voltage generated from the output of the driving elements.