Thermal measuring and testing – Temperature measurement – By electrical or magnetic heat sensor
Patent
1987-04-09
1988-08-09
Yasich, Daniel M.
Thermal measuring and testing
Temperature measurement
By electrical or magnetic heat sensor
340756, 340636, 368 66, 374170, G08B 2100, G06F 314
Patent
active
047624299
ABSTRACT:
In an electronic clinical thermometer comprising a temperature oscillating circuit having a temperature sensor for detecting the body temperature; a body temperature measuring circuit for making data on the body temperature in response to an output signal of the temperature oscillating circuit; a digital display device having seven-segment digital patterns for displaying the body temperature in response to a signal of the body temperature measuring circuit; and a battery voltage detecting circuit for detecting a voltage drop of a battery, a first additional pattern and a second additional pattern are provided between two adjacent digital patterns of the digital display device and also an additional pattern decoder for driving the first and second additional patterns is provided, and the additional pattern decoder and decoders provided for driving the two digital patterns are controlled by an output signal of the battery voltage detecting circuit, whereby a battery life warning mark having the shape of the battery is displayed on the digital display device.
REFERENCES:
patent: Re29637 (1978-05-01), Takamune et al.
patent: 3925977 (1975-12-01), Maezawa
patent: 4074515 (1978-02-01), Asano
patent: 4203103 (1980-05-01), Osada et al.
patent: 4617562 (1986-10-01), Klotz
patent: 4634294 (1987-01-01), Christol et al.
Citizen Watch Co. Ltd.
Yasich Daniel M.
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