JPS6095689U - Smoke detectors - Google Patents
Smoke detectorsInfo
- Publication number
- JPS6095689U JPS6095689U JP18506083U JP18506083U JPS6095689U JP S6095689 U JPS6095689 U JP S6095689U JP 18506083 U JP18506083 U JP 18506083U JP 18506083 U JP18506083 U JP 18506083U JP S6095689 U JPS6095689 U JP S6095689U
- Authority
- JP
- Japan
- Prior art keywords
- light
- signal
- light receiving
- outputting
- emitting element
- 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
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案の一実施例を示す回路図で坐る。
１：検出部、２：発振回路、３：増幅回路、４：比較回
路、５：カウンタ、６：ワンショットマルチ、ＰＩ、Ｐ
２：端子、Ｌｌ、Ｌ２：信号線、ＰＨ１：発報表示灯、
ＰＨ２：発光素子、ＰＨ３＝受光素子、Ｃ３ＣＲ：サイ
リスタ、Ｒ１，Ｒ２、Ｒ３：抵抗、ＺＤ：ツェナダイオ
ード、Ｑｌ、Ｑ２．Ｑ３ ： トランジスタ、Ｃ１：コ
ンデンサ。The figure depicts a circuit diagram illustrating one embodiment of the present invention. 1: Detection section, 2: Oscillation circuit, 3: Amplification circuit, 4: Comparison circuit, 5: Counter, 6: One-shot multi, PI, P
2: Terminal, Ll, L2: Signal line, PH1: Alarm indicator light,
PH2: light emitting element, PH3=light receiving element, C3CR: thyristor, R1, R2, R3: resistor, ZD: Zener diode, Ql, Q2. Q3: Transistor, C1: Capacitor.
Claims (1)
発光素子の発射光を受光する受光素子と、該受光素子の
受光出力の変化に基づいて火災を検出する検出部と、尊
検出部の、検出出力を入力して継続点灯する発報表示灯
とを有する煙感知器において、 該発振回路の発振出力を入力し、該発振回路の発振周期
よりも短く且つ視認し得る所定時間だけオン信号出力す
る信号変換手段と、該信号変換手段のオン信号出力によ
り該発報表示灯を点灯させ、 るスイッチング手段とを
設けたことを特徴とする煙感知器。[Claims for Utility Model Registration] A light emitting element that emits light in synchronization with the oscillation cycle of an oscillation circuit, a light receiving element that receives the emitted light from the light emitting element, and detecting a fire based on a change in the light receiving output of the light receiving element. In a smoke detector that has a detection section that is connected to A smoke detector comprising: signal converting means for outputting a visible ON signal for a predetermined period of time; and switching means for lighting the alarm indicator lamp by outputting the ON signal from the signal converting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18506083U JPS6095689U (en) | 1983-11-30 | 1983-11-30 | Smoke detectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18506083U JPS6095689U (en) | 1983-11-30 | 1983-11-30 | Smoke detectors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6095689U true JPS6095689U (en) | 1985-06-29 |
| JPS6349825Y2 JPS6349825Y2 (en) | 1988-12-21 |
Family
ID=30400089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18506083U Granted JPS6095689U (en) | 1983-11-30 | 1983-11-30 | Smoke detectors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6095689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0652470A (en) * | 1992-07-28 | 1994-02-25 | Matsushita Electric Works Ltd | Photoelectric smoke sensor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4193069A (en) * | 1978-03-13 | 1980-03-11 | American District Telegraph Company | Latching alarm smoke detector |
| JPS5552559A (en) * | 1978-10-11 | 1980-04-17 | Victor Co Of Japan Ltd | Reproducing device for discoid recording medium |
-
1983
- 1983-11-30 JP JP18506083U patent/JPS6095689U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4193069A (en) * | 1978-03-13 | 1980-03-11 | American District Telegraph Company | Latching alarm smoke detector |
| JPS5552559A (en) * | 1978-10-11 | 1980-04-17 | Victor Co Of Japan Ltd | Reproducing device for discoid recording medium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0652470A (en) * | 1992-07-28 | 1994-02-25 | Matsushita Electric Works Ltd | Photoelectric smoke sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6349825Y2 (en) | 1988-12-21 |
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