Invention Grant
- Patent Title: Turnable, contactless variable resistor
- Patent Title (中): 可变电阻器，可变电阻器
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Application No.: US39915073Application Date: 1973-09-20
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Publication No.: US3859617APublication Date: 1975-01-07
- Inventor: OKA SHUNZO , MINAMI SHUNJI
- Applicant: MATSUSHITA ELECTRIC IND CO LTD
- Assignee: Matsushita Electric Ind Co Ltd
- Current Assignee: Matsushita Electric Ind Co Ltd
- Priority: JP11268972 1972-09-26
- Main IPC: H01C10/00
- IPC: H01C10/00 ; H01L31/16 ; H01C7/08
Abstract:
A turnable, contactless variable resistor is provided consisting of a light source and a photoconductive cell, capable of operation without producing noise and wear as distinguished from conventional turnable variable resistors having mechanical contact.
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