JPS5547808B2 - - Google Patents
Info
- Publication number
- JPS5547808B2 JPS5547808B2 JP7417776A JP7417776A JPS5547808B2 JP S5547808 B2 JPS5547808 B2 JP S5547808B2 JP 7417776 A JP7417776 A JP 7417776A JP 7417776 A JP7417776 A JP 7417776A JP S5547808 B2 JPS5547808 B2 JP S5547808B2
- Authority
- JP
- Japan
- 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
Links
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
- G08B17/107—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 for detecting light-scattering due to smoke
-
- 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
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
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 |
|---|---|---|---|
| JP7417776A JPS52156680A (en) | 1976-06-22 | 1976-06-22 | Smoke sensor of photoelectric type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7417776A JPS52156680A (en) | 1976-06-22 | 1976-06-22 | Smoke sensor of photoelectric type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52156680A JPS52156680A (en) | 1977-12-27 |
| JPS5547808B2 true JPS5547808B2 (enExample) | 1980-12-02 |
Family
ID=13539611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7417776A Granted JPS52156680A (en) | 1976-06-22 | 1976-06-22 | Smoke sensor of photoelectric type |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS52156680A (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5026585A (enExample) * | 1973-07-06 | 1975-03-19 |
-
1976
- 1976-06-22 JP JP7417776A patent/JPS52156680A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52156680A (en) | 1977-12-27 |