JPWO2023238849A1 - - Google Patents

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Publication number
JPWO2023238849A1
JPWO2023238849A1 JP2024526446A JP2024526446A JPWO2023238849A1 JP WO2023238849 A1 JPWO2023238849 A1 JP WO2023238849A1 JP 2024526446 A JP2024526446 A JP 2024526446A JP 2024526446 A JP2024526446 A JP 2024526446A JP WO2023238849 A1 JPWO2023238849 A1 JP WO2023238849A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2024526446A
Other languages
Japanese (ja)
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JP7788552B2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication of JPWO2023238849A1 publication Critical patent/JPWO2023238849A1/ja
Application granted granted Critical
Publication of JP7788552B2 publication Critical patent/JP7788552B2/ja
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Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke

Landscapes

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Fire-Detection Mechanisms (AREA)
JP2024526446A 2022-06-09 2023-06-06 煙検知装置 Active JP7788552B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022093782 2022-06-09
JP2022093782 2022-06-09
PCT/JP2023/020955 WO2023238849A1 (ja) 2022-06-09 2023-06-06 煙検知装置

Publications (2)

Publication Number Publication Date
JPWO2023238849A1 true JPWO2023238849A1 (https=) 2023-12-14
JP7788552B2 JP7788552B2 (ja) 2025-12-18

Family

ID=89118462

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024526446A Active JP7788552B2 (ja) 2022-06-09 2023-06-06 煙検知装置

Country Status (4)

Country Link
JP (1) JP7788552B2 (https=)
CN (1) CN119234141A (https=)
TW (1) TW202409985A (https=)
WO (1) WO2023238849A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024034491A1 (ja) * 2022-08-12 2024-02-15 能美防災株式会社 煙検知装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4870592A (https=) * 1971-12-23 1973-09-25
JPS5258982A (en) * 1975-11-11 1977-05-14 Matsushita Electric Works Ltd Smoke detecting circuit for photoelectric smoke sensor
JPS562537A (en) * 1979-06-20 1981-01-12 Matsushita Electric Ind Co Ltd Smoke detector
JPH0712724A (ja) * 1993-04-30 1995-01-17 Hochiki Corp 火災報知装置及び火災検出方法
JP2008281673A (ja) * 2007-05-09 2008-11-20 Sony Corp 画像表示装置
JP2009122983A (ja) * 2007-11-15 2009-06-04 Sharp Corp 煙センサおよび電子機器
JP2009246095A (ja) * 2008-03-31 2009-10-22 Epson Imaging Devices Corp 光センサ、光検出装置、電気光学装置及び電子機器
WO2011033552A1 (ja) * 2009-09-15 2011-03-24 ホーチキ株式会社 煙感知器
JP2020181507A (ja) * 2019-04-26 2020-11-05 能美防災株式会社 煙感知器

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4870592A (https=) * 1971-12-23 1973-09-25
JPS5258982A (en) * 1975-11-11 1977-05-14 Matsushita Electric Works Ltd Smoke detecting circuit for photoelectric smoke sensor
JPS562537A (en) * 1979-06-20 1981-01-12 Matsushita Electric Ind Co Ltd Smoke detector
JPH0712724A (ja) * 1993-04-30 1995-01-17 Hochiki Corp 火災報知装置及び火災検出方法
JP2008281673A (ja) * 2007-05-09 2008-11-20 Sony Corp 画像表示装置
JP2009122983A (ja) * 2007-11-15 2009-06-04 Sharp Corp 煙センサおよび電子機器
JP2009246095A (ja) * 2008-03-31 2009-10-22 Epson Imaging Devices Corp 光センサ、光検出装置、電気光学装置及び電子機器
WO2011033552A1 (ja) * 2009-09-15 2011-03-24 ホーチキ株式会社 煙感知器
JP2020181507A (ja) * 2019-04-26 2020-11-05 能美防災株式会社 煙感知器

Also Published As

Publication number Publication date
TW202409985A (zh) 2024-03-01
JP7788552B2 (ja) 2025-12-18
CN119234141A (zh) 2024-12-31
WO2023238849A1 (ja) 2023-12-14

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