Title: Noiseless and long service life potentiometers
Application Number: 85109658 Application Date: 1985.12.26
Publication Number: 1011902 Publication Date: 1987.07.01
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H01C10/00,H01C17/00
Applicant(s) Name: Yu Zhiwei Address:
Inventor(s) Name:
Attorney & Agent:
Abstract:
     The present invention can prolong the noiseless service life of common potentiometers by 5-10 years. It's more advantageous than the existing technical characteristic. The method is simple, and the cost will increase only a little. The technique can be applied in potentiometers and all kind of electric contact components.
Time: 9
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