Electronic thermometer

Measuring and testing – Gas analysis – Moisture content or vapor pressure

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G01K 724

Patent

active

041177231

ABSTRACT:
An electronic thermometer has a bridge circuit and light emitting diode which is turned on instantaneously when the temperature being sensed causes activation of the light emitting diode, and a dial indicates the sensed temperature. The light emitting diode is rendered inoperative if the source voltage is low.

REFERENCES:
patent: 3494196 (1970-02-01), Moussette
patent: 3776040 (1973-12-01), Gould
patent: 3787735 (1974-01-01), DeWitte et al.
patent: 3857285 (1974-12-01), Athey et al.
patent: 3882481 (1975-05-01), Turner
patent: 4023094 (1977-05-01), Adams

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