Control apparatus for electrical devices

The apparatus has a potentiometer electrically interpositioned between an inlet and an outlet for attenuating and increasing the level of electrical power conducted therebetween. The potentiometer has a depending control knob which is cyclically and repeatedly engaged by motordriven sectors. Accordi...

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Bibliographic Details
Main Author MAUTE; CHARLES J
Format Patent
LanguageEnglish
Published 06.04.1976
Subjects
ELECTROMECHANICAL CLOCKS OR WATCHES
HOROLOGY
PHYSICS
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Summary:The apparatus has a potentiometer electrically interpositioned between an inlet and an outlet for attenuating and increasing the level of electrical power conducted therebetween. The potentiometer has a depending control knob which is cyclically and repeatedly engaged by motordriven sectors. Accordingly, in a given time frame one sector turns the control knob gradually to provide progressively increasing electrical power. This sequence is followed by a quiescent period in which the increased power remains available. Next, another sector turns the control knob gradually to diminish and finally to cut off power. This diminution of power, too, occurs over a given time frame, and is followed by a quiescent period in which power remains cut off. Subsequently, and automatically, the gradual, power-increasing period follows. The apparatus has an especial utility for use with an aquarium, albeit not limited to such an application, for simulating the occurrence of sunrise and nightfall.
Bibliography:Application Number: US19740470002