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:
May. 08, 1984
Filed:
Sep. 28, 1983
Applicant:
Inventor:
Kowji Tanikawa, Tokyo, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B / ; G04B / ;
U.S. Cl.
CPC ...
368 34 ; 368 28 ;
Abstract
This invention provides a leap year compensation circuit. Date data from an electronic watch circuit is compared with leap year data from a memory circuit. If this date data represents a leap year, the next day after the end of February is corrected to a date in a leap year calender. Leap year compensated date data is set in the watch circuit.