Medical thermometer comprising a digital display device for disp

Details Medical thermometer comprising a digital display device for disp Medical thermometer comprising a digital display device for disp

1978-12-21

1980-04-29

Woodiel, Donald O.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

G01K 716

Patent

active

041999860

ABSTRACT:
An apparatus may be connected to the temperature probe by means of a cable, and houses the display device, the electronic circuit, the voltage source, and the switches. The electronic circuit comprises a voltage multiplier, a control circuit, a supply circuit for supplying a highly constant voltage, a bridge circuit comprising four highly constant resistances, and a thermistor as temperature sensor, a voltage divider circuit for adapting the voltage generated by the bridge circuit, and an integrated circuit providing a 3-1/2 position digital-voltmeter which directly operates the display device.

REFERENCES:
patent: 3477292 (1969-11-01), Thornton
patent: 4068138 (1978-01-01), Miyakawa et al.
Brochure--"Digitales Fiebermessgerat" (Digital Fever Measuring Apparatus) Digimed H 01.

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