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:
Oct. 03, 1995

Filed:

Feb. 25, 1993
Applicant:
Inventors:

Hisao Itaya, Moriyama, JP;

Satoru Nakagawa, Moriyama, JP;

Kensuke Taki, Moriyama, JP;

Kazuhiro Takano, Moriyama, JP;

Assignee:

Gunze Limited, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08C / ;
U.S. Cl.
CPC ...
341 20 ; 178 18 ;
Abstract

A touch panel device comprises a resistance material on which a potential gradient is formed extended along an X axis, a contact electrode to be pushed to contact with the resistance material, a potential supplying unit for selectively supplying to the contact electrode via a resistance via at least two kinds of potentials one by one, a potential detecting unit for detecting the potential at the contact electrode, and a pushed position detecting unit for detecting a X coordinate of the pushed position based on the potential detected by the potential detecting unit when the potentials are supplied thereto by the potential supplying unit.


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