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. 17, 1981
Filed:
Feb. 10, 1978
Applicant:
Inventors:
Toshikazu Hatuse, Tanashi, JP;
Minoru Natori, Tokyo, JP;
Toshikazu Shimazaki, Tanashi, JP;
Kouhei Kawanobe, Kawagoe, JP;
Hiroshi Ogawa, Tokorozawa, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04C / ; G04B / ; G04B / ;
U.S. Cl.
CPC ...
368 69 ; 368 74 ; 368 80 ; 368 82 ; 368232 ; 368251 ;
Abstract
A switch structure for an analog quartz crystal timepiece having a watchglass plate, a time dial to display time in an analog mode, and a digital display device, which switch structure comprises a plurality of transparent electrically conductive electrode films provided on the watchglass plate at positions corresponding to numerical display indicia on the time dial to permit generation of input signals corresponding to the numerical display indicia, respectively.