Driver circuit

Details Driver circuit Driver circuit

1987-07-08

1989-01-17

Paschall, M. H.

Electric heating

Heating devices

Resistive element: igniter type

219497, 219501, 236 46F, H05B 102

Patent

active

047989351

ABSTRACT:
A driver circuit having a predetermined on time and a predetermined off time provides a drive signal to a heating element of an aroma generating apparatus. The drive signal is applied during each positive half cycle of the input AC voltage while maintaining the gate of a silicon controlled rectifier saturated over the entire positive and negative cycles of the input AC voltage.

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