Heat source detection device and heat source detection method

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United States of America Patent

PATENT NO 10145741
APP PUB NO 20180031425A1
SERIAL NO

15609425

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Abstract

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A heat source detection device includes a processor configured to calculate, as a single-wavelength temperature, one of a first temperature obtained by converting a first output output from the infrared sensor in accordance with an incident amount of infrared rays in a first infrared wavelength band into a temperature, a second temperature obtained by converting a second output from the infrared sensor in accordance with an incident amount of infrared rays in a second infrared wavelength band into a temperature and an average value of the first and second temperatures, and calculate a dual-wavelength temperature obtained by converting the ratio between the first and second outputs into a temperature; and to determine a temperature of the heat source based on the dual-wavelength temperature and determine a distance to the heat source from the infrared sensor based on a comparison result between the single-wavelength temperature and dual-wavelength temperature.

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Patent Owner(s)

Patent OwnerAddress
FUJITSU LIMITEDKAWASAKI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsumiya, Yasuo Hadano, JP 14 53
Nishino, Hironori Isehara, JP 24 156

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