Clinical thermometer
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United States of America Patent
Stats
-
May 21, 1991
Grant Date -
N/A
app pub date -
Aug 18, 1989
filing date -
Dec 25, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A clinical thermometer which employs an infrared sensor and is constructed so as to prevent the occurrence of a temperature measurement error caused by a change in temperature of a tip portion (of a housing a temperature measuring portion) during temperature measurement. In one embodiment a heat insulator is attached to the tip portion to prevent a rise in temperature of the tip portion. In a second embodiment, the tip portion is formed of a metal of good heat conductivity in the shape of a net for example to improve the heat radiating property of the tip portion, thereby preventing a rise in temperature of the tip portion. In a third embodiments, a temperature sensor is attached to the tip portion to correct a temperature measurement error caused by a change in temperature of the tip portion.
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