JP2551285Y2 - 火災感知器 - Google Patents
火災感知器Info
- Publication number
- JP2551285Y2 JP2551285Y2 JP1989144153U JP14415389U JP2551285Y2 JP 2551285 Y2 JP2551285 Y2 JP 2551285Y2 JP 1989144153 U JP1989144153 U JP 1989144153U JP 14415389 U JP14415389 U JP 14415389U JP 2551285 Y2 JP2551285 Y2 JP 2551285Y2
- Authority
- JP
- Japan
- Prior art keywords
- printed circuit
- fire
- circuit
- circuit board
- fire detector
- 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 - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 17
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 12
- 239000000779 smoke Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 238000012790 confirmation Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000077 insect repellent Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989144153U JP2551285Y2 (ja) | 1989-12-15 | 1989-12-15 | 火災感知器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989144153U JP2551285Y2 (ja) | 1989-12-15 | 1989-12-15 | 火災感知器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0382484U JPH0382484U (enrdf_load_stackoverflow) | 1991-08-22 |
JP2551285Y2 true JP2551285Y2 (ja) | 1997-10-22 |
Family
ID=31690886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989144153U Expired - Fee Related JP2551285Y2 (ja) | 1989-12-15 | 1989-12-15 | 火災感知器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2551285Y2 (enrdf_load_stackoverflow) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6058753A (ja) * | 1983-09-09 | 1985-04-04 | Nippon Telegr & Teleph Corp <Ntt> | 音声蓄積方法 |
JPH0743797B2 (ja) * | 1988-05-11 | 1995-05-15 | ニッタン株式会社 | アナログ型感知器 |
-
1989
- 1989-12-15 JP JP1989144153U patent/JP2551285Y2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0382484U (enrdf_load_stackoverflow) | 1991-08-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2217495A (en) | Ceiling mounted fire detector assembly | |
US4700079A (en) | Light-transmission type smoke detector having a spiral optical path | |
CA2595558C (en) | Evacuation appliance | |
US4306229A (en) | Smoke detector having an integral piezo-electric buzzer | |
JP2551285Y2 (ja) | 火災感知器 | |
JPH09373U (ja) | 火災感知器 | |
US8624754B2 (en) | System and method for detecting a property of a strobe cover | |
CA2201072A1 (en) | Protective device for a stand lamp | |
GB2322727A (en) | Sounder device | |
JP3211074B2 (ja) | 赤外線検出器 | |
JPS63124938A (ja) | 照明装置 | |
JPH09321597A (ja) | 反射型フォトセンサ | |
JP2754427B2 (ja) | 輻射式火災感知器 | |
JP2528862Y2 (ja) | 光電式煙感知器 | |
JP2536639Y2 (ja) | 感知器用ベース | |
JP2589058Y2 (ja) | 火災報知設備用機器 | |
JP2565210Y2 (ja) | 輻射式火災感知器 | |
JP3129052U (ja) | 赤外線検出器 | |
DE59600210D1 (de) | Vorrichtung zur Masseverbindung einer Flachbaugruppe | |
JPH03166691A (ja) | 感知器 | |
JP2504829Y2 (ja) | 煙感知器 | |
JPS5844478Y2 (ja) | ふく射式火災感知器の感度調整器 | |
JP2024130877A (ja) | センサ装置 | |
JP2587305Y2 (ja) | 火災感知器 | |
JP2572258Y2 (ja) | 光電式煙感知器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |