Radiation type thermometer
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United States of America Patent
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Dec 8, 1992
Grant Date -
N/A
app pub date -
Aug 30, 1991
filing date -
Aug 30, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thermometer includes an infrared sensor (14) for receiving infrared radiation to generate a corresponding electrical signal; a reference unit (10) for emitting a standard infrared radiation; a temperature sensor (11) for receiving the standard infrared radiation to generate a corresponding standard electrical signal; a support unit (1, 2) for supporting the infrared sensor and the reference means such that the infrared sensor receives the standard infrared radiation from the reference means in a standby state and infrared radiation from a subject in a measurement state; an arithmetic unit (44) for computing a temperature of the subject based on the electrical signals from the infrared sensor in both the standby and measurement states and from the temperature sensor.
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