Apparatus for controlling power consumption in lighting loads an

Details Apparatus for controlling power consumption in lighting loads an Apparatus for controlling power consumption in lighting loads an

1981-07-02

1983-10-18

Dixon, Harold A.

Electric lamp and discharge devices: systems

Plural load device systems

Electric switch in the supply circuit

315210, 315321, 315361, 315362, 3071414, H05B 3700

Patent

active

044108389

ABSTRACT:
Apparatus for interrupting power to a plurality of parallel loads such as lighting circuits and selectively reapplying power to the loads includes a first switch serially interconnecting the loads to a power line. Second switch circuits are serially connected with each load whereby interruption of power to a load for a predetermined period of time opens the switch circuits. The switch circuits include bidirectional conduction devices such as triacs which require a gating signal before becoming conductive. A resistor-capacitor circuit provides a gating signal to the triac to maintain conduction thereof for the predetermined period of time.

REFERENCES:
patent: 3761912 (1973-09-01), Stettner et al.
patent: 3860910 (1975-01-01), Hudson
patent: 4160192 (1979-07-01), McAllise
patent: 4274045 (1981-06-01), Goldstein
patent: 4339696 (1982-07-01), Jabor

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