Temporal artery temperature detector
First Claim
1. A body temperature detector comprising:
- a temperature detector;
electronics which measure peak temperature from at least three readings per second during scan of the temperature detector across an artery and which process the detected peak temperature to provide a temperature display based on a model of heat balance relative to a detected arterial temperature.
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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
22 Claims
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1. A body temperature detector comprising:
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a temperature detector;
electronics which measure peak temperature from at least three readings per second during scan of the temperature detector across an artery and which process the detected peak temperature to provide a temperature display based on a model of heat balance relative to a detected arterial temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A body temperature detector comprising:
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a temperature sensor which senses temperature of a skin surface; and
electronics which compute an internal temperature of the body as a function of ambient temperature and sensed surface temperature, the function including 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.-100°
F., the weighting increasing above and below the minimum. - View Dependent Claims (13, 14, 15, 16)
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17. A method of detecting human body temperature comprising:
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detecting temperature at a skin surface; and
computing an internal body temperature of the body as a function of ambient temperature and sensed surface temperature, the function including 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.-100°
F., the weighting increasing above and below the minimum. - View Dependent Claims (18, 19, 20)
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21. A body temperature detector comprising:
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a radiation sensor which views a target surface area;
a reflective cup through which the radiation sensor views the target surface area, the cup having a large open diameter close to the target surface and a window at the base of the cup through which the radiation sensor views the target, the cup being out of the field of view of the sensors; and
electronics which measure peak temperature from at least three readings per second during scan of the temperature detector across the target surface area, the electronics processing the detected peak temperature to provide a temperature display based on a model of heat balance relative to the detected temperature. - View Dependent Claims (22)
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Specification