JP2543724Y2 - 感知器 - Google Patents
感知器Info
- Publication number
- JP2543724Y2 JP2543724Y2 JP1990077702U JP7770290U JP2543724Y2 JP 2543724 Y2 JP2543724 Y2 JP 2543724Y2 JP 1990077702 U JP1990077702 U JP 1990077702U JP 7770290 U JP7770290 U JP 7770290U JP 2543724 Y2 JP2543724 Y2 JP 2543724Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- reed switch
- light emitting
- photoelectric smoke
- sensor
- 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.)
- Expired - Lifetime
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims description 52
- 230000035945 sensitivity Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 description 68
- 238000007689 inspection Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990077702U JP2543724Y2 (ja) | 1990-07-20 | 1990-07-20 | 感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990077702U JP2543724Y2 (ja) | 1990-07-20 | 1990-07-20 | 感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0436693U JPH0436693U (enrdf_load_stackoverflow) | 1992-03-27 |
| JP2543724Y2 true JP2543724Y2 (ja) | 1997-08-13 |
Family
ID=31620333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990077702U Expired - Lifetime JP2543724Y2 (ja) | 1990-07-20 | 1990-07-20 | 感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2543724Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7299732B2 (ja) * | 2019-03-27 | 2023-06-28 | ホーチキ株式会社 | 試験冶具、及び試験装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5660196U (enrdf_load_stackoverflow) * | 1979-10-15 | 1981-05-22 | ||
| JPH0193892A (ja) * | 1987-10-05 | 1989-04-12 | Matsushita Electric Works Ltd | 感知器 |
| JPH063512Y2 (ja) * | 1988-05-25 | 1994-01-26 | 能美防災株式会社 | 火災感知器用試験装置 |
-
1990
- 1990-07-20 JP JP1990077702U patent/JP2543724Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0436693U (enrdf_load_stackoverflow) | 1992-03-27 |
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