Electronic thermometer

Details Electronic thermometer Electronic thermometer

G - Physics

01

K

73/164, 354/29,

G01K 3/00 (2006.01)

Patent

CA 1090614

IMPROVED ELECTRONIC THERMOMETER Abstract An electronic circuit for use with a thermistor- type thermometer which makes only two measurements and provides a multiple temperature scale capability, a low- power indicator, a simple counting circuit and an enabling control circuit, The thermistor-type thermometer provides a signal having a pulse rate which varies with the temper- ature sensed and the electronic circuit of the invention operates on this signal to visually display the final temperature after only thirty seconds. Decade counters and logic gates are used with a crystal controlled oscil- lator to provide counting and timing signals as well as enabling signals required by a specialized temperature prediction algorithm.

288025

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