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:
Oct. 15, 2002
Filed:
Feb. 24, 2000
Applicant:
Inventors:
Hidehiro Akahane, Tatsuno-machi, JP;
Kenichi Okuhara, Kiso-mura, JP;
Akihiko Maruyama, Suwa, JP;
Nobuhiro Koike, Chino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B 9/00 ; G04B 1/00 ; G04C 3/00 ; G04F 1/000 ; G04F 8/00 ;
U.S. Cl.
CPC ...
G04B 9/00 ; G04B 1/00 ; G04C 3/00 ; G04F 1/000 ; G04F 8/00 ;
Abstract
A time measurement device includes a first motor ( ) for indicating standard time, a second motor ( ) for indicating a chronograph, a generator ( ) which generates driving power for driving the first and second motors by converting mechanical energy into electrical energy, and a zero reset mechanism ( ) for mechanically resetting the chronograph to zero. A compact time measurement device, operable from a low power, is thus provided.