Rotary electronic device

Details Rotary electronic device Rotary electronic device

1994-04-14

1995-11-21

Hoang, Tu

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338166, 338175, H01C 1032

Patent

active

054691257

ABSTRACT:
A rotary electronic device of a neutral position return type having an output that is controlled in a stepless mode. A rotary variable resistor of the rotary electronic device is installed on a tubular holder, and a torsion coil spring is disposed between a manipulation knob and the tubular holder. The neutral position return is very simply configured by using a small sized rotary variable resistor.

REFERENCES:
patent: 2143401 (1939-01-01), Arvin
patent: 2346598 (1944-04-01), Mucher
patent: 2781436 (1957-02-01), Barden
patent: 3427680 (1969-02-01), Gilbert
patent: 3654581 (1972-04-01), Franz, Jr.
patent: 3902152 (1975-08-01), Van Benthuysen
patent: 5349323 (1994-09-01), Shigemoto et al.
Patent Abstracts of Japan, vol. 13, No. 450, (E-830), Oct. 11, 1989, & JP-A-01 175 201.

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