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:
Sep. 12, 1978
Filed:
Feb. 14, 1977
Applicant:
Inventors:
Yoshiyuki Nakatsu, Osaka, JP;
Hideo Nishizawa, Nagaokakyo, JP;
Assignee:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
338162 ; 338164 ; 338166 ; 338167 ; 338170 ;
Abstract
A variable resistor for use in electrical and electronic equipment which includes a base plate, a lower stator terminal housed in a circular recess formed in one surface of the base plate, a rotor member having an electrically conductive film layer at its one surface and an electrically resistant film layer at its other surface and rotatably mounted on the lower stator terminal with the conductive film layer contacting the lower stator terminal, and an upper stator terminal fixed to the base plate so as to slidingly contact the resistant film layer under pressure.