Automatic on-off electronic switch

Details Automatic on-off electronic switch Automatic on-off electronic switch

1974-05-28

1976-06-29

Aegerter, Richard E.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

G01K 724

Patent

active

039657434

ABSTRACT:
An electronic thermometer system comprising a temperature sensing circuit for measuring temperature variations and providing a first signal representative thereof; a temperature measuring circuit responsive to the first signal for producing a second signal representative of the temperature being sensed; a display circuit for indicating the measured temperature for a predetermined period; a power supply; an actuator device; and an automatic electronic switch responsive to the actuator to turn on and provide power from the power supply to the circuits during an interval at least as long as the predetermined period and to automatically turn off at the end of the interval, cease providing power to the circuits and end the display.

REFERENCES:
patent: 3621276 (1971-11-01), Mitchell
patent: 3702076 (1972-11-01), Georgi
patent: 3785207 (1974-01-01), Brzezinski
patent: 3817105 (1974-06-01), Luhowy

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