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:
Mar. 23, 1982
Filed:
Jun. 19, 1979
Applicant:
Inventors:
Makoto Ueda, Tokyo, JP;
Akira Torisawa, Tokyo, JP;
Shuji Otawa, Tokyo, JP;
Masaaki Mandai, Tokyo, JP;
Masaharu Shida, Tokyo, JP;
Katsuhiko Sato, Tokyo, JP;
Assignee:
Kabushiki Kaisha Daini Seikosha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B / ;
U.S. Cl.
CPC ...
318696 ; 318647 ; 368204 ; 368202 ; 368 11 ;
Abstract
An electronic timepiece includes a stepping motor having a stator, a drive coil and a rotor which is driven in one of at least two different states. The state of the driving motor is changed in response to a change in the load of the motor or in response to the locating of the motor in an external magnetic field.