Multiple position power switch

Details Multiple position power switch Multiple position power switch

1981-09-09

1982-10-05

Griffin, Donald A.

Electrical transmission or interconnection systems

Switching systems

318729, H01H 930, H02P 124

Patent

active

043529933

ABSTRACT:
A multiple position power control switch is connected in series with a load across a power source. A five position rotary switch permits the load to be selectively operated at four different power levels. The fifth position of the switch provides "OFF" operation. With the invention, component cost is reduced and power level control of a load is achieved with minimum power dissipation.

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patent: 4181844 (1980-01-01), Moretto
patent: 4187457 (1980-02-01), Wanlass
patent: 4234835 (1980-11-01), Ota et al.
NASA Tech. Briefs, Summer 1980, pp. 133 & 134, Improved Power-Factor Controller.

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