Ambient and perfusion normalized temperature detector

Details Ambient and perfusion normalized temperature detector Ambient and perfusion normalized temperature detector

1997-06-24

2000-05-02

Gutierrez, Diego

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

702131, 600549, G01J 502

Patent

active

060564350

ABSTRACT:
A body temperature detector is particularly suited to axillary temperature measurements of adults. The radiation sensor views a target surface area of the body and electronics compute an internal temperature of the body as a function of ambient temperature and sensed surface temperature. The function includes a weighted difference of surface temperature and ambient temperature, the weighting being varied with target temperature to account for varying perfusion rate. Preferably, the coefficient varies from a normal of about 0.13 through a range to include 0.09. The ambient temperature used in the function is assumed at about 80.degree. F. but modified with detector temperature weighted by 20%.

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