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:
Dec. 12, 1995
Filed:
Jun. 29, 1994
Applicant:
Inventors:
Masato Hatayama, Furukawa, JP;
Mitsuru Saitoh, Miyagi, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
338160 ; 338314 ; 252512 ;
Abstract
A variable resistor having a resistor body including a lower layer resistor in which at least carbon fibers and a carbon black are dispersed in a synthetic resin and an upper resistance layer not containing carbon fibers and in which at least a carbon black is dispersed in a synthetic resin, the upper layer being formed on the lower layer. Abrasion of a slider and the resistor body are suppressed to provide a long operation life, that is, a sliding movement life of the variable resistor.
Hatayama, Masato. (1995). Variable resistor (U.S. Patent No. 5475359). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5475359
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile