Heater control device

Details Heater control device Heater control device

1985-06-14

1987-01-13

Paschall, M. H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219499, 219501, 323235, H05B 102

Patent

active

046366199

ABSTRACT:
A heater control device in which a heater is made to double as a temperature sensor so as to eliminate the leading wires used exclusively for the temperature sensor. The heater control device includes a zero-crossing detector which generates a short duration pulse signal each time an AC power voltage is crossing the zero-level. The heater acts as a temperature sensor only for the short duration of the pulse signal.

REFERENCES:
patent: 3789190 (1974-01-01), Orosy et al.
patent: 4086466 (1978-04-01), Scharlack
patent: 4348582 (1982-09-01), Budek

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