Electronic clinical thermometer

Details Electronic clinical thermometer Electronic clinical thermometer

1985-06-10

1985-10-29

Frankfort, Charles

Thermal measuring and testing

Temperature measurement

By electrical or magnetic heat sensor

374163, 350331T, G01K 700

Patent

active

045498199

ABSTRACT:
An electronic clinical thermometer includes a liquid crystal display element for displaying the result of a temperature measurement, and a lamp circuit for illuminating the liquid crystal display element automatically at the end of the temperature measurement only when a sensed amount of ambient light is insufficient to permit easy reading of the temperature displayed by the liquid crystal element. The lamp circuit is switched on and off electronically, eliminating the need for mechanical contacts and manually operated push-buttons, thus making it possible to obtain a liquid-tight structure.

REFERENCES:
patent: 3494196 (1970-02-01), Moussette
patent: 3942123 (1976-03-01), Georgi
patent: 4009535 (1977-03-01), Stock
patent: 4114447 (1978-09-01), Creach
patent: 4174631 (1979-11-01), Hammerslag
patent: 4198676 (1980-04-01), Varnum et al.
patent: 4204429 (1980-03-01), Shimazaki et al.
patent: 4284884 (1981-08-01), Dyment et al.
Patents Abstracts of Japan, vol. 3 No. 113 (E-139), Sep. 19, 1979, p. 132 E 139; and JP-A-54 91 276 (Daini Seikosha K.K.) (19-07-1979).
Patents Abstracts of Japan, vol. P2, No. 120 (E-62), Oct. 6, 1978, p. 6996 E 78; and JP-A-53 86 258 (Citizen Tokei K.K.) (29-07-1978).

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