TEMPERATURE INDICATING METER USING AN ELECTRIC BRIDGE CIRCUIT WITH A THERMISTOR SENSING ELEMENT

Checking, life-saving and teaching apparatus and instruments, namely, apparatus for checking and monitoring alarms and alarm systems, namely, alarm monitoring systems, alarm sensors, radiant heat dishes in the nature of heat sensors, computer hardware and data transceivers; apparatus and instruments for regulating or controlling alarms and alarm systems, namely, electric control devices for alarm systems in the nature of fire, smoke, gas and heat alarm controllers, microchips, remote electric...

ELECTRONICALLY OPERATED TEMPERATURE CONTROLLING MECHANISMS AND TEMPERATURE MEASURING MECHANISMS