Apparatus for conserving energy in electrical appliances

Details Apparatus for conserving energy in electrical appliances Apparatus for conserving energy in electrical appliances

1978-04-10

1980-09-16

Waring, Alvin H.

Communications: electrical

Condition responsive indicating system

340542, 307140, 340694, G08B 1900

Patent

active

042233011

ABSTRACT:
An apparatus for connecting and disconnecting appliances to an electrical supply, responsive to door activated switch means. A transmitter responds to entrance into a room by causing a receiver to activate a connecting means supplying an appliance with electrical energy. Upon closure of the door, a deadbolt must be engaged within the room within a predetermined period to maintain the appliances in their energized states. Release of the deadbolt to exit from the room causes the transmitter to enter a delay sequence, thereby providing an occupant with sufficient time to exit prior to de-energizing the appliances. Subsequent thereto, a signal is transmitted to the receiver for shutdown of the appliances. An overriding thermostat is provided to control heating and cooling appliances responsive to the transmitter, the thermostat having a broader thermal zone of operation than a typical thermostat controlling the heating and cooling appliances in the presence of the room occupant. An occupant-activated switch is provided to override the deadbolt and control the transmitter under certain circumstances.

REFERENCES:
patent: 4035796 (1977-07-01), Hedly et al.
patent: 4058740 (1977-11-01), Dalton et al.
patent: 4101886 (1978-07-01), Grimes et al.

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