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:
Nov. 06, 1979
Filed:
Aug. 05, 1977
Applicant:
Inventor:
Mitsuo Sekine, Tokorozawa, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
340785 ; 340811 ;
Abstract
In a driving circuit for an electrochromic display device of the type wherein a clock signal is applied to the common electrode segment, and a driving signal having a different level from that of the clock signal is applied to the display segment electrode in response to the clock signal and a display decoder output, thereby effecting display and termination thereof by using a single source, gate circuit means is provided for preventing short-circuiting of the electrodes caused by the delay time between the clock signal and the driving signal.