Thermometer
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United States of America Patent
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Aug 1, 2023
Grant Date -
Jan 19, 2023
app pub date -
Sep 23, 2022
filing date -
Dec 8, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A deep body thermometer that includes a body temperature measurement unit having a thermal resistor layer formed of a thermal resistor having a predetermined thermal resistance value, four temperature sensors arranged in a thickness direction of the thermal resistor layer, and a wiring substrate on which a processing circuit for processing an output signal of each of the four temperature sensors is mounted. Moreover, the thermometer includes an upper exterior body made of a foamed material of a closed cell or a semi-closed cell having a waterproof property to accommodate the body temperature measurement unit, and a lower exterior body formed of a non-foamed resin film having a waterproof property, in which peripheral edge portions of the upper exterior body and the lower exterior body are fixed in a close contact manner.
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