Variable resistance slide control device with a switch

Details Variable resistance slide control device with a switch Variable resistance slide control device with a switch

1998-08-13

1999-09-28

Donovan, Lincoln

Electrical resistors

Mechanically variable

With switch actuated by resistor actuator

338200, 338178, 338179, H01C 1050

Patent

active

059595256

ABSTRACT:
A variable resistance control device and switch has a base, made of insulating material, a rheostat, mounted to the base, and a switch, mounted to the base. The rheostat includes a variable resistor trace, positioned on the base, a collector trace, positioned on the base next to and insulated from the variable resistor trace. The rheostat includes an actuator, slidably coupled to the base, for sliding over a length of both the variable resistor trace and the collector trace to make electrical contact therebetween. The rheostat also includes a first set of contacts, that are 1) electrically coupled during operation of the rheostat, and are 2) electrically isolated during operation of the switch; and a second set of contacts, that are 1) electrically isolated during operation of the rheostat, and are 2) electrically coupled during the operation of the switch.

REFERENCES:
patent: 3310768 (1967-03-01), Opalenik
patent: 3375446 (1968-03-01), Guyton
patent: 3381254 (1968-04-01), Campbell
patent: 3622934 (1971-11-01), Yano et al.
patent: 3887892 (1975-06-01), Rozema et al.
patent: 3918023 (1975-11-01), Zdanys
patent: 4085399 (1978-04-01), Wall
patent: 4101864 (1978-07-01), Van Benthuysen
patent: 4104606 (1978-08-01), DeWitt
patent: 4259619 (1981-03-01), Wall
patent: 5144278 (1992-09-01), Moseley et al.
patent: 5376764 (1994-12-01), Retter et al.

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