JP2020181507A5 - - Google Patents
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- 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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- Prior art keywords
- light
- light receiving
- light emitting
- unit
- emitting unit
- Prior art date
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- 239000000779 smoke Substances 0.000 claims description 35
- 230000003287 optical effect Effects 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 14
- 230000010287 polarization Effects 0.000 claims description 5
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 (cg-RX-API-DMAC7.html) | 2022-04-08 |
Family
ID=73024338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019085910A Pending JP2020181507A (ja) | 2019-04-26 | 2019-04-26 | 煙感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2020181507A (cg-RX-API-DMAC7.html) |
Families Citing this family (3)
| 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 |
| TW202409985A (zh) * | 2022-06-09 | 2024-03-01 | 日商能美防災股份有限公司 | 煙檢測裝置 |
| WO2024034491A1 (ja) * | 2022-08-12 | 2024-02-15 | 能美防災株式会社 | 煙検知装置 |
Family Cites Families (8)
| 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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2019
- 2019-04-26 JP JP2019085910A patent/JP2020181507A/ja active Pending