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:
Jul. 04, 1989

Filed:

Nov. 25, 1987
Applicant:
Inventor:

Motoyasu Nakanishi, Fujishi, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
338114 ; 338 47 ;
Abstract

A deformable type variable resistor element using silicone gel with a penetration value of approximately 50 to 200 as a basic member in which electrically conductive fine particles as much as 20 to 50 weight percent are mixed, which basic member is provided with at least a pair of electrodes so that the conductive fine particles contained in the basic member come in contact each other to form a number of electrical passages between the pair of electrodes when the basic member is physically deformed by an external force.


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Nakanishi, Motoyasu. (1989). Deformable type variable resistor element (U.S. Patent No. 4845457). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4845457

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