Circuit for producing a gradual change in conduction angle

Details Circuit for producing a gradual change in conduction angle Circuit for producing a gradual change in conduction angle

1975-07-14

1977-02-15

La Roche, Eugene

Electric lamp and discharge devices: systems

Regulation of the control current and/or potential applied...

307252N, 315199, 315DIG4, 323 19, 323 68, H05B 3902

Patent

active

040084167

ABSTRACT:
The specification discloses a circuit which produces a gradual increase or decrease in the alternating current power applied to a series connected load. Double time constant gating circuitry and capacitor integration may be utilized in combination with self-heated thermistors to effect a gradual change in the conduction duration of a series connected control element.

REFERENCES:
patent: 3389328 (1968-06-01), Janson
patent: 3430101 (1969-02-01), Biltz
patent: 3500174 (1970-03-01), Ellerbeck
patent: 3612945 (1971-10-01), Stevens
patent: 3732484 (1973-05-01), McKenna
patent: 3896369 (1975-07-01), Nakata

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