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
- Authority
- 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
Links
- 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 (zh) | 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 (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023210548A1 (ja) * | 2022-04-27 | 2023-11-02 | 能美防災株式会社 | 煙検知装置 |
| WO2023238849A1 (ja) * | 2022-06-09 | 2023-12-14 | 能美防災株式会社 | 煙検知装置 |
| WO2024034491A1 (ja) * | 2022-08-12 | 2024-02-15 | 能美防災株式会社 | 煙検知装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP4010455B2 (ja) * | 2003-04-24 | 2007-11-21 | ホーチキ株式会社 | 散乱光式煙感知器 |
| JP5586318B2 (ja) * | 2010-05-17 | 2014-09-10 | ホーチキ株式会社 | 高感度煙感知器 |
-
2019
- 2019-04-26 JP JP2019085910A patent/JP2020181507A/ja active Pending
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