Radiation detector suitable for tympanic temperature measurement

Details Radiation detector suitable for tympanic temperature measurement Radiation detector suitable for tympanic temperature measurement

1991-01-10

1993-12-21

Howell, Kyle L.

Surgery

Truss

Pad

374158, 374209, A61B 600

Patent

active

052714071

ABSTRACT:
Tympanic temperature measurements are obtained from the output of a thermopile mounted in an extension from a housing. The housing has a temperature display thereon and supports the electronics for responding to sensed radiation. A disposable plastic sheet taken from a tape of such sheets stretches over the end of the extension between side posts. The thermopile is mounted in a highly conductive thermal mass which includes a waveguide tube. A low conductivity gaseous environment surrounding the thermopile extends through the tube. The electronics include an EEPROM in which both calibration and characterization information may be stored during a calibration procedure through an optical coupling. A capacitor and transistor associated with a switch form a simple watchdog circuit.

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