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. 28, 1999
Filed:
Jun. 28, 1996
Applicant:
Inventors:
Akiyoshi Murakami, Tokorozawa, JP;
Kenji Shimoda, Hoya, JP;
Michiko Yagi, Iruma, JP;
Kenji Fujita, Sayama, JP;
Assignee:
Citizen Watch Co., Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
G04B / ; G04F / ;
U.S. Cl.
CPC ...
368 80 ; 368110 ;
Abstract
An electronic watch with a chronograph function comprises a motor, a current time counter, a hand position counter, a coincidence detector and a backward/forward movement determining unit. When a chronograph mode is selected, a second hand moves backward or forward to a 12-o'clock (zero) position depending upon its position in a time measurement and indication mode. The electronic watch reliably resumes the time measurement and indication after it functions as a chronograph.