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. 14, 1987
Filed:
Aug. 12, 1986
Yoshiharu Nishimura, Shizuoka, JP;
Tokyo Electric Co., Ltd., Tokyo, JP;
Abstract
A liquid crystal display apparatus includes a liquid crystal display device having a plurality of display digits, a one-chip microcomputer having a plurality of voltage terminals for driving the liquid crystal display device by selectively supplying the voltages applied to those voltage terminals to the liquid crystal display device, and a power supply circuit for applying voltages to the voltage terminals, this power supply circuit having a series circuit of a plurality of resistors one end of which is connected to the first power source terminal and which has a plurality of nodes connected to the voltage terminals. The power supply circuit has a Zener diode which is connected between the other end of the series circuit and the second power source terminal and which is made operative in the saturation region.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile