Importance

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Abstract

A two-terminal, alternating current power control device connected in an electrical path between a load and a remote switch, comprising a current switching device, a controlling device and a direct current power supply device. The current switching device provides a low impedance electrical path in response to the application of triggering signals thereto, and provides a high impedance electrical path in the absence of the triggering signals. A control circuit is provided for applying triggering signals to the current switching device as the proper time in the AC cycle, and is responsive to a momentary interruption in the applied AC voltage so as to effect change in the power intensity or timed duration of power delivered to the load. A remote switch in the electrical path can be the source of a momentary power interruption. The entire power control device can be constructed to directly attach to the electrical screw shell base of a gas discharge lamp, so the lamp and power control device can be mounted into the normal accommodating electrical fixture without the need for an intermediary fixture or additional electrical wiring.

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First Claim