Remote control means for heating/cooling devices

Automatic temperature and humidity regulation – Distance-adjusted

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Details

340310A, 340538, H04M 1104

Patent

active

046731270

ABSTRACT:
A generator/transmitter, having an IC timer with frequency changing means, generating a precoded signal and impressing said signal on a high-voltage, low frequency carrier wave, said signal being transported to remote receiver means by said carrier wave, said receiver means, having variable code validating means, demodulates, validates, amplifies, rectifies, and temporarily stores said signal on capacitor means to operate relay means and/or IC timer means of a second generator/transmitter, said relay means operating fuel control means of a heating/cooling device or control means of rotatable closure means in a duct network of said heating/cooling device.

REFERENCES:
patent: 3411150 (1968-11-01), Schulein
patent: 3462756 (1969-08-01), Mills
patent: 3972471 (1976-08-01), Ziegler
patent: 4132355 (1979-01-01), Cleary et al.

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