JPS58108439A - 光パルス式煙感知器 - Google Patents
光パルス式煙感知器Info
- Publication number
- JPS58108439A JPS58108439A JP20620381A JP20620381A JPS58108439A JP S58108439 A JPS58108439 A JP S58108439A JP 20620381 A JP20620381 A JP 20620381A JP 20620381 A JP20620381 A JP 20620381A JP S58108439 A JPS58108439 A JP S58108439A
- Authority
- JP
- Japan
- Prior art keywords
- output
- light
- circuit
- amplifier
- smoke
- 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.)
- Granted
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 6
- 206010011224 Cough Diseases 0.000 claims 1
- 230000001934 delay Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000002452 interceptive effect Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20620381A JPS58108439A (ja) | 1981-12-22 | 1981-12-22 | 光パルス式煙感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20620381A JPS58108439A (ja) | 1981-12-22 | 1981-12-22 | 光パルス式煙感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58108439A true JPS58108439A (ja) | 1983-06-28 |
| JPS6314900B2 JPS6314900B2 (enrdf_load_stackoverflow) | 1988-04-02 |
Family
ID=16519490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20620381A Granted JPS58108439A (ja) | 1981-12-22 | 1981-12-22 | 光パルス式煙感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58108439A (enrdf_load_stackoverflow) |
-
1981
- 1981-12-22 JP JP20620381A patent/JPS58108439A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6314900B2 (enrdf_load_stackoverflow) | 1988-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4300133A (en) | Smoke detector | |
| US4942385A (en) | Photoelectric intrusion detector | |
| CN107450105B (zh) | 红外对管检测装置与系统 | |
| JPS58108439A (ja) | 光パルス式煙感知器 | |
| GB1183230A (en) | Improvements in or relating to Control Circuits for Alarm Devices | |
| US4075499A (en) | Smoke detector with means for changing light pulse frequency | |
| JP2551154B2 (ja) | 光電スイッチ | |
| JP6926359B2 (ja) | 検知装置 | |
| JP2005227018A (ja) | 物体検知センサ | |
| JPH04260197A (ja) | 光電式煙感知器 | |
| CN220552979U (zh) | 一种漫反射传感器 | |
| JP2544069B2 (ja) | 多光軸光電スイッチ | |
| JPH06341650A (ja) | 電気ストーブ | |
| JPH0452696Y2 (enrdf_load_stackoverflow) | ||
| KR200228700Y1 (ko) | 인체 감지 자동 전등 점멸 스위치 | |
| JPS63288515A (ja) | 光検出装置 | |
| JPS586994B2 (ja) | 光電煙感知方式 | |
| SU552630A1 (ru) | Устройство дл охранно-пожарной сигнализации | |
| JP2698710B2 (ja) | 照明器具制御用熱線センサー | |
| JPH04147085A (ja) | フォトセンサ | |
| JPH11224388A (ja) | 減光式煙感知器 | |
| JP2829410B2 (ja) | 光電式アナログ煙感知器 | |
| JP2763681B2 (ja) | 照明器具制御用熱線センサー | |
| JPS5932838B2 (ja) | 光電式検出器 | |
| JPS61124883A (ja) | 人体検知装置 |