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:
Sep. 15, 1981
Filed:
Apr. 04, 1979
Applicant:
Inventors:
Kazunari Kume, Tokorozawa, JP;
Hideshi Ohno, Tokorozawa, JP;
Assignee:
Citizen Watch Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ;
U.S. Cl.
CPC ...
368 71 ; 368 76 ; 368 82 ; 368 83 ; 368 84 ; 368239 ; 368241 ; 368242 ; 368228 ;
Abstract
An electronic timepiece having time indicating hands driven by a motor through a gear train, and having an analog-to-digital conversion system for time data comprising code disks rotated by the wheel train to provide hours and minutes information in digital coded form, together with means for converting this encoded digital information into digital signals representing hours and minutes information corresponding to the time information indicated by the hands and synchronized with the time indicated by the seconds hand of the timepiece.