(under subclass 235) Subject matter wherein the means which responds to the output is a sensor which measures a nonelectrical condition (such as heat) of the system or its load, the condition being dependent upon the output of the system.
SEE OR SEARCH THIS CLASS, SUBCLASS:
245, for phase controlled switching devices with nonelectrical condition sensors.
SEE OR SEARCH CLASS
219, Electric Heating,
482, for power supply means with nonelectrical condition sensing having a heating system as the load.
