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:
Feb. 08, 1977
Filed:
May. 16, 1975
Applicant:
Inventors:
Shingo Hashimoto, Tokyo, JA;
Yasuhiko Nishikubo, Tokyo, JA;
Heihachiro Ebihara, Tokyo, JA;
Hiroyuki Fukayama, Tokyo, JA;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04C / ;
U.S. Cl.
CPC ...
58 2 / ; 58 2 / ; 3311 / ;
Abstract
An electronic timepiece having an electronic circuit which comprises a monolithic integrated circuit including a multistage amplifier. The amplifier of the circuit is so designed that an amplitude control component, which has been considered indispensable in the existing art, is unnecessary in the circuit, whereby various types of electronic timepieces are obtainable in a simple and compact manner by applying the monolithic circuit to different types of oscillator means.