Energy conservation system

Details Energy conservation system Energy conservation system

1977-05-31

1979-04-17

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

307129, 307140, H01H 4720

Patent

active

041504151

ABSTRACT:
An energy conservation system is disclosed wherein power in a given area, such as in a hotel or other room, is controlled by means of an ultrasonic sound transmitter and at least one or more ultrasonic sound receivers, each receiver controlling power for a separate power outlet. Upon entering the room, a key is inserted into a key receptacle to change the operating state of the transmitter, to thereby cause the receivers to couple power to the power outlets in the room. When the key is withdrawn from the key receptacle, the transmitter operating state is changed again, to cause the receivers to decouple power from their respective associated power outlets. The system can also incorporate temperature compensation means to control minimum or maximum temperatures in the area. The system can further accommodate intrusion, fire and occupancy detection signals as additional features.

REFERENCES:
patent: 3590271 (1971-06-01), Peters
patent: 3873894 (1975-03-01), Sato et al.
patent: 4037141 (1977-07-01), Fichtner

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