Non-invasive 3-D intracranial thermography system
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United States of America Patent
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Apr 8, 2003
Grant Date -
Sep 12, 2002
app pub date -
Jan 16, 2002
filing date -
Jan 17, 2001
priority date (Note) -
Expired
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Abstract
A microwave thermography apparatus to measure temperatures within a dielectric body comprises a partial ellipsoidal cavity with an electrical conductive surface wherein the body can be located at one focus of the cavity. A microwave antenna located at a second focus of the cavity is connected to a radiometer. That radiometer amplifies and filters signals from the antenna before they are applied to a detector with the temperature of the body being determined from the voltage amplitude of the detected signals.
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