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.

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:
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.


Find Patent Forward Citations

Hatuse, Toshikazu. (1981). Switch structure for electronic timepiece (U.S. Patent No. 4257115). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4257115

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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