Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Measuring or testing
Patent
1984-12-20
1987-04-14
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Measuring or testing
364557, 374170, 73183, G01K 716
Patent
active
046584072
ABSTRACT:
The electronic clinical thermometer in accordance with the present invention comprises a thermometric oscillator for converting a variation in the temperature sensitive resistance to a frequency corresponding to the temperature, a thermometric counter for counting the oscillation frequency of the thermometric oscillator to convert the frequency to a temperature value, a maximum value memory circuit for detecting the maximum value by comparing in succession the content of the thermometric counter, a display circuit for digitally displaying the content of the maximum value memory circuit, and a controlling circuit for controlling the thermometric oscillator so as to discontinue the oscillation of the thermometric oscillator at a prescribed time after the beginning of temperature detection or detection of a maximum value.
REFERENCES:
patent: 3872728 (1975-03-01), Joyce et al.
patent: 4031365 (1977-06-01), Raggiotti et al.
patent: 4090064 (1978-05-01), Turner
patent: 4150573 (1979-04-01), Iinuma et al.
patent: 4195349 (1980-03-01), Balkanli
patent: 4206649 (1980-06-01), Nagaie
patent: 4551031 (1985-11-01), Ishikawa et al.
Heyman John S.
Kabushiki Kaisha Toshiba
Ohralik Karl
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