Temporal artery temperature detector
First Claim
1. A method of detecting human body temperature comprising measuring radiation emitted from skin over an artery to electronically determine a deep body temperature approximation.
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Accused Products
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
46 Claims
- 1. A method of detecting human body temperature comprising measuring radiation emitted from skin over an artery to electronically determine a deep body temperature approximation.
- 13. A method of detecting human body temperature comprising making at least three temperature readings per second of a temperature detector from a region of skin over an artery having a relatively constant blood flow to electronically determine a deep body temperature approximation.
- 25. A method of detecting human body temperature comprising measuring the temperature of a region of skin over a superficial artery having a relatively constant blood flow to electronically determine a deep body temperature approximation.
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37. A body temperature detector comprising:
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a temperature detector; electronics that measure temperature from at least three readings per second of the temperature detector from a region of skin over an artery and that process the detected temperature to provide a deep body temperature approximation based on a model of heat balance relative to the detected temperature. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44)
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45. A body temperature detector comprising:
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a temperature detector; and electronics that measure temperature from at least three readings per second of the temperature detector from a region of skin over an artery having a relatively constant blood flow and that process a detected temperature to provide a deep body temperature approximation based on the detected temperature.
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46. A method of detecting human body temperature comprising:
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measuring the temperature of a region of skin of the forehead; and processing the detected temperature to provide a deep body temperature approximation based on a model of heat balance relative to the detected temperature.
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Specification