BE844121A - SMOKE DETECTOR OPERATING BY IONIZATION AND INCLUDING A VERIFICATION DEVICE THAT SIMULATES THE PRESENCE OF SMOKE - Google Patents
SMOKE DETECTOR OPERATING BY IONIZATION AND INCLUDING A VERIFICATION DEVICE THAT SIMULATES THE PRESENCE OF SMOKEInfo
- Publication number
- BE844121A BE844121A BE168908A BE168908A BE844121A BE 844121 A BE844121 A BE 844121A BE 168908 A BE168908 A BE 168908A BE 168908 A BE168908 A BE 168908A BE 844121 A BE844121 A BE 844121A
- Authority
- BE
- Belgium
- Prior art keywords
- smoke
- simulates
- ionization
- verification device
- detector operating
- Prior art date
Links
- 239000000779 smoke Substances 0.000 title 1
- 238000012795 verification Methods 0.000 title 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
- G08B17/11—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
-
- 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)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63020475A | 1975-11-10 | 1975-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE844121A true BE844121A (en) | 1976-11-03 |
Family
ID=24526225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE168908A BE844121A (en) | 1975-11-10 | 1976-07-14 | SMOKE DETECTOR OPERATING BY IONIZATION AND INCLUDING A VERIFICATION DEVICE THAT SIMULATES THE PRESENCE OF SMOKE |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5258989A (en) |
| BE (1) | BE844121A (en) |
| DE (1) | DE2630501A1 (en) |
| GB (1) | GB1551978A (en) |
| HK (1) | HK21780A (en) |
| IE (1) | IE42886B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111028464A (en) * | 2020-01-08 | 2020-04-17 | 福建工程学院 | Hierarchical smoke alarm method and hierarchical intelligent control smoke alarm device |
-
1976
- 1976-06-29 GB GB2696876A patent/GB1551978A/en not_active Expired
- 1976-06-29 IE IE141276A patent/IE42886B1/en unknown
- 1976-07-06 JP JP7955876A patent/JPS5258989A/en active Pending
- 1976-07-07 DE DE19762630501 patent/DE2630501A1/en not_active Withdrawn
- 1976-07-14 BE BE168908A patent/BE844121A/en unknown
-
1980
- 1980-04-24 HK HK21780A patent/HK21780A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111028464A (en) * | 2020-01-08 | 2020-04-17 | 福建工程学院 | Hierarchical smoke alarm method and hierarchical intelligent control smoke alarm device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1551978A (en) | 1979-09-05 |
| JPS5258989A (en) | 1977-05-14 |
| HK21780A (en) | 1980-05-02 |
| IE42886L (en) | 1977-05-10 |
| DE2630501A1 (en) | 1977-05-12 |
| IE42886B1 (en) | 1980-11-05 |
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