Temporal Artery Temperature Detector
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Abstract
Body temperature measurements are obtained by scanning a thermal radiation sensor across the side of the forehead over the temporal artery. A peak temperature measurement is processed to compute an internal temperature of the body as a function of ambient temperature and the sensed surface temperature. The function includes a weighted difference of surface temperature and ambient temperature, the weighting being varied with target temperature through a minimum in the range of 96° F. and 100° F. The radiation sensor views the target surface through an emissivity compensating cup which is spaced from the skin by a circular lip of low thermal conductivity.
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Citations
60 Claims
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1-46. -46. (canceled)
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47. A method of providing an internal body temperature approximation of a human body, the method comprising:
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measuring radiation with a radiation detector while the detector views a target surface of a forehead; determining a sensed forehead surface temperature from the radiation; and determining the internal body temperature approximation based on the sensed forehead surface temperature and an ambient temperature to which the body is exposed. - View Dependent Claims (48, 49, 50, 51, 52, 53)
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54. A body temperature detector for providing an internal body temperature approximation of a human body, the body temperature detector comprising:
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a radiation detector configured to view a target surface of a forehead and to provide a voltage output signal; and electronics electronically coupled to the radiation detector and configured to determine a sensed forehead surface temperature using the voltage output signal from the radiation detector; and the electronics further configured to determine the internal body temperature approximation based on the sensed forehead surface temperature and an ambient temperature to which the body is exposed. - View Dependent Claims (55, 56, 57, 58, 59, 60)
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Specification