Crest firing means

Details Crest firing means Crest firing means

1977-06-16

1979-05-08

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

307252N, 323 24, G05F 304

Patent

active

041538722

ABSTRACT:
Power is applied to an AC load at the crest of a voltage waveform by employing a light emitting diode. The crest firing circuit further includes a detector responsive to the diode's light emitting properties which fires a semiconductor switching device thereby activating the AC load.

REFERENCES:
patent: 3524986 (1970-08-01), Harnden
patent: 3524997 (1970-08-01), Harnden et al.
patent: 3548290 (1970-12-01), Swinehart
patent: 3925709 (1975-12-01), Mitchell et al.
Sheng, "Inrush Current Reduction in Triac Switched Inductive Loads," RCA Technical Note No. 1134, Nov. 13, 1975, sheets 1-3.

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