JPH0524205Y2 - - Google Patents
Info
- Publication number
- JPH0524205Y2 JPH0524205Y2 JP1987020780U JP2078087U JPH0524205Y2 JP H0524205 Y2 JPH0524205 Y2 JP H0524205Y2 JP 1987020780 U JP1987020780 U JP 1987020780U JP 2078087 U JP2078087 U JP 2078087U JP H0524205 Y2 JPH0524205 Y2 JP H0524205Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiver
- test
- operation signal
- voltage
- 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
- 238000012360 testing method Methods 0.000 claims description 28
- 230000007423 decrease Effects 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- 238000007689 inspection Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 description 1
- 101150105073 SCR1 gene Proteins 0.000 description 1
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987020780U JPH0524205Y2 (de) | 1987-02-17 | 1987-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987020780U JPH0524205Y2 (de) | 1987-02-17 | 1987-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63128454U JPS63128454U (de) | 1988-08-23 |
| JPH0524205Y2 true JPH0524205Y2 (de) | 1993-06-21 |
Family
ID=30816606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987020780U Expired - Lifetime JPH0524205Y2 (de) | 1987-02-17 | 1987-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0524205Y2 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6186466B2 (ja) * | 2016-03-15 | 2017-08-23 | 能美防災株式会社 | 光電式分離型感知器および光電式分離型感知器の光軸調整方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52152273A (en) * | 1976-06-11 | 1977-12-17 | Matsushita Electric Works Ltd | Action checking method of light dimming type smoke sensor |
| JPS582657B2 (ja) * | 1974-11-18 | 1983-01-18 | カブシキガイシヤ オオヤマテツコウシヨ | アブラアゲシヨクヒンノサンカボウシセイゾウホウホウ オヨビ ソウチ |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582657U (ja) * | 1981-06-30 | 1983-01-08 | ニッタン株式会社 | 分離型減光式煙感知器 |
-
1987
- 1987-02-17 JP JP1987020780U patent/JPH0524205Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582657B2 (ja) * | 1974-11-18 | 1983-01-18 | カブシキガイシヤ オオヤマテツコウシヨ | アブラアゲシヨクヒンノサンカボウシセイゾウホウホウ オヨビ ソウチ |
| JPS52152273A (en) * | 1976-06-11 | 1977-12-17 | Matsushita Electric Works Ltd | Action checking method of light dimming type smoke sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63128454U (de) | 1988-08-23 |
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