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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.:

US 4700025 B1

PDFFull Text
Date of Patent:
Oct. 13, 1987

Filed:

Feb. 11, 1987

Transparent touch-sensitive panel

Applicant:
Inventors:

Masato Hatayama, Miyagi, JP;

Satoru Matsumora, Miyagi, JP;

Assignee:

Alps Electric Co., Ltd., , JP;

Attorney:

Shoup; Guy W.

Primary Examiner:

A D Pellinen

Assistant Examiner:

Morris Ginsburg

Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200 / ; 2001 / ; 200311 ; 200314 ;
Abstract

A transparent touch-sensitive panel comprising a transparent touch-sensitive switch consisting of an upper plate, a lower plate, and an insulating spacer. A transparent board has an outer peripheral portion to which the lower plate is bonded via a transparent adhesive layer. A visual display such as a liquid-crystal display is mounted on the underside of the board. An uneven surface is formed on one of the upper surface of the board and the lower surface of the lower plate which are disposed opposite to each other and through which the light emanating from the visual display is transmitted.

Find Patent Forward Citations

Hatayama, Masato. (1987). Transparent touch-sensitive panel (U.S. Patent No. 4700025). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4700025

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

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