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 LIMITED1-1 KAMIKODANAKA 4-CHOME NAKAHARA-KU KAWASAKI-SHI KANAGAWA 2118588 ?2118588

International Classification(s)

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  • 2017 Application Filing Year
  • G01J Class
  • 1764 Applications Filed
  • 1425 Patents Issued To-Date
  • 80.79 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201720182019202020212022202320240255075100

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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Patent Citation Ranking

  • 1 Citation Count
  • G01J Class
  • 24.81 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1614224612312201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6071 - 800255075100125150175200225250275300325350375400425450

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