Fast response thermometer

Details Fast response thermometer Fast response thermometer

1976-04-05

1978-04-25

Queisser, Richard C.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

G01K 738

Patent

active

040856178

ABSTRACT:
This invention relates to a thermometer and more particularly to a fast response clinical thermometer. The active element is in the form of a thin sleeve which is in direct contact with the body tissue or other item to be measured. The large ratio of surface to volume of the active element permits it to reach temperature equilibrium rapidly. Temperature dependent changes in the sleeve material influence a coil which is inductively coupled to the sleeve. The coil in turn controls an oscillator frequency which can be converted to a digital display of the measured temperature.

REFERENCES:
patent: 3014371 (1961-12-01), McConnell
patent: 3250126 (1966-05-01), Shapiro
patent: 3303701 (1967-02-01), Matsuma et al.
patent: 3614893 (1971-10-01), Nesbitt et al.
patent: 3848466 (1974-11-01), Dial et al.
patent: 3929018 (1975-12-01), Turner

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