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:
Mar. 30, 1976
Filed:
Jun. 20, 1974
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Company, Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
3151 / ; 340336 ; 3501 / ;
Abstract
A dc rejection circuit is provided between each output of a diode matrix circuit and a corresponding segment electrode in a liquid crystal display panel. The dc rejection circuit may comprise a very simple structure comprising a combination of a resistor and a capacitor thereby providing a liquid crystal display device which is inexpensive and yet ensuring a long service life.
Suenami, Keniti. (1976). Liquid crystal device (U.S. Patent No. 3947721). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3947721
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile