Electronic power varying controller device

Details Electronic power varying controller device Electronic power varying controller device

1974-02-20

1976-04-20

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

315307, 317DIG2, 323 24, 323 34, G05F 304

Patent

active

039522415

ABSTRACT:
An electronic power varying controller device adapted for a dimmer, etc. and having substantially no mechanically sliding portions, comprising a thyristor connected with a load such as a lamp, a firing phase controller circuit for the thyristor, a field effect transistor for controlling the firing phase controller circuit, a capacitor connected in parallel with the gate circuit of the field effect transistor, a highly insulating switch connected in series to the gate of the field effect transistor, and a switch to be connected with the highly insulating switch for selecting a positive or negative potential.

REFERENCES:
patent: 3593112 (1971-07-01), Coats et al.
patent: 3647940 (1972-03-01), Harwood
patent: 3691298 (1972-09-01), Pittman et al.
patent: 3736445 (1973-05-01), Van Sickle
patent: 3826970 (1974-07-01), Oka et al.

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