Sound activated temperature control system

Details Sound activated temperature control system Sound activated temperature control system

1979-02-21

1980-09-23

Wayner, William E.

Automatic temperature and humidity regulation

High and low temperature alternate

165 27, 236 1R, G05D 2300, G08B 1316

Patent

active

042238315

ABSTRACT:
The environmental temperature in an area is controlled by the detection of the presence or absence of personnel in a room. A microphone detects sound in the room and actuates a control circuit to establish a set point for a temperature system which supplies heating and cooling to the room. The presence of people in the room is accompanied by sounds which are detected by the microphone to set the set point at an appropriate temperature to provide a comfortable environment. The absence of sound permits a new set point to be used to reduce the energy consumption of the heating or cooling system. A time delay circuit is optionally incorporated to eliminate undesirable cycling.

REFERENCES:
patent: 3011718 (1961-12-01), Joerren et al.
patent: 3613093 (1971-10-01), Reynolds et al.
patent: 3974426 (1976-08-01), Gingras
patent: 4022271 (1977-05-01), Monahan
patent: 4060123 (1977-11-01), Hoffman et al.

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