Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1996-10-03
1998-06-09
Paschall, Mark H.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219213, 219497, 219544, 374133, 34087017, H05B 102
Patent
active
057638586
ABSTRACT:
The invention is directed to an ice and snow melting system including at least one sensor for sensing a temperature or moisture associated with an ambient environment, and a heater for melting the ice and snow. An automatic controller is connected to each of the heater and the sensor. The controller selectively controls operation of the heater, and includes a remote control interface which is either integral or connected therewith. A remote control is connected to the remote control interface of the controller via two conductors. The remote control is configured to receive a signal from and transmit a signal to the controller. The received signal is indicative of a status indicator associated with the heater and/or controller, and the transmitted signal is used by the controller for the controlled operation of the heater.
REFERENCES:
patent: 3716076 (1973-02-01), Franzmeier
patent: 3906242 (1975-09-01), Stevenson
patent: 4135221 (1979-01-01), Genrikh et al.
patent: 4520417 (1985-05-01), Frank
patent: 4859834 (1989-08-01), Hausler et al.
patent: 5140135 (1992-08-01), Freeman
patent: 5591365 (1997-01-01), Shields
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