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. 13, 1979
Filed:
May. 25, 1977
Applicant:
Inventors:
Tadahiko Nakagiri, Higashimurayama, JP;
Kunihiro Daigo, Higashiyamato, JP;
Toshiaki Oguchi, Kodaira, JP;
Toshikazu Hatuse, Tanashi, JP;
Toshikazu Shimazaki, Tanashi, JP;
Shigeru Morokawa, Higashiyamato, JP;
Minoru Natori, Tokyo, JP;
Hiroshi Ogawa, Tokorozawa, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04C / ;
U.S. Cl.
CPC ...
58 2 / ; 58 2 / ;
Abstract
A booster circuit for an electronic timepiece having a power supply and a display device adapted to be driven in a matrix driving mode, which comprises a Cockcroft circuit connected to one terminal of the power supply to provide a plurality of boosted output voltages to the display device and voltage compensating means connected to the other terminal of the power supply to compensate for voltage drops caused by said Cockcroft circuit.