JP2020181507A5 - - Google Patents

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Publication number
JP2020181507A5
JP2020181507A5 JP2019085910A JP2019085910A JP2020181507A5 JP 2020181507 A5 JP2020181507 A5 JP 2020181507A5 JP 2019085910 A JP2019085910 A JP 2019085910A JP 2019085910 A JP2019085910 A JP 2019085910A JP 2020181507 A5 JP2020181507 A5 JP 2020181507A5
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JP
Japan
Prior art keywords
light
light receiving
light emitting
unit
emitting unit
Prior art date
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.)
Pending
Application number
JP2019085910A
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English (en)
Japanese (ja)
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JP2020181507A (ja
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Publication date
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Priority to JP2019085910A priority Critical patent/JP2020181507A/ja
Priority claimed from JP2019085910A external-priority patent/JP2020181507A/ja
Publication of JP2020181507A publication Critical patent/JP2020181507A/ja
Publication of JP2020181507A5 publication Critical patent/JP2020181507A5/ja
Pending legal-status Critical Current

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JP2019085910A 2019-04-26 2019-04-26 煙感知器 Pending JP2020181507A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019085910A JP2020181507A (ja) 2019-04-26 2019-04-26 煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019085910A JP2020181507A (ja) 2019-04-26 2019-04-26 煙感知器

Publications (2)

Publication Number Publication Date
JP2020181507A JP2020181507A (ja) 2020-11-05
JP2020181507A5 true JP2020181507A5 (enExample) 2022-04-08

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ID=73024338

Family Applications (1)

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JP2019085910A Pending JP2020181507A (ja) 2019-04-26 2019-04-26 煙感知器

Country Status (1)

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JP (1) JP2020181507A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119096278A (zh) * 2022-04-27 2024-12-06 能美防灾株式会社 烟检测装置
CN119234141A (zh) * 2022-06-09 2024-12-31 能美防灾株式会社 烟检测装置
CN119698645A (zh) * 2022-08-12 2025-03-25 能美防灾株式会社 烟检测装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS639848A (ja) * 1986-06-30 1988-01-16 Shimizu Constr Co Ltd 微粒子検知装置
JP3251763B2 (ja) * 1993-04-30 2002-01-28 ホーチキ株式会社 火災報知装置及び火災検出方法
JP3193670B2 (ja) * 1997-06-30 2001-07-30 ホーチキ株式会社 煙感知装置
JP4010455B2 (ja) * 2003-04-24 2007-11-21 ホーチキ株式会社 散乱光式煙感知器
JP5333944B2 (ja) * 2010-03-25 2013-11-06 能美防災株式会社 煙感知器
JP5586318B2 (ja) * 2010-05-17 2014-09-10 ホーチキ株式会社 高感度煙感知器
EP3029648A1 (de) * 2014-12-01 2016-06-08 Siemens Schweiz AG Streulichtrauchmelder mit zwei zweifarbigen Leuchtdioden und einem gemeinsamen Photosensor oder mit einer zweifarbigen Leuchtdiode und mit zwei Photosensoren jeweils in einer Vorwärts- und Rückwärtsstreulichtanordnung
JP6544974B2 (ja) * 2015-04-10 2019-07-17 ホーチキ株式会社 煙感知器

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