HK21780A - Smoke simulating test apparatus for smoke detectors - Google Patents
Smoke simulating test apparatus for smoke detectorsInfo
- Publication number
- HK21780A HK21780A HK21780A HK21780A HK21780A HK 21780 A HK21780 A HK 21780A HK 21780 A HK21780 A HK 21780A HK 21780 A HK21780 A HK 21780A HK 21780 A HK21780 A HK 21780A
- Authority
- HK
- Hong Kong
- Prior art keywords
- smoke
- test apparatus
- simulating test
- detectors
- smoke detectors
- Prior art date
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
- G08B17/11—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 |
|---|---|
| HK21780A true HK21780A (en) | 1980-05-02 |
Family
ID=24526225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK21780A HK21780A (en) | 1975-11-10 | 1980-04-24 | Smoke simulating test apparatus for smoke detectors |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5258989A (xx) |
| BE (1) | BE844121A (xx) |
| DE (1) | DE2630501A1 (xx) |
| GB (1) | GB1551978A (xx) |
| HK (1) | HK21780A (xx) |
| IE (1) | IE42886B1 (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111028464A (zh) * | 2020-01-08 | 2020-04-17 | 福建工程学院 | 分级式烟雾报警方法和分级式智控烟雾报警装置 |
-
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/ja active Pending
- 1976-07-07 DE DE19762630501 patent/DE2630501A1/de not_active Withdrawn
- 1976-07-14 BE BE168908A patent/BE844121A/xx unknown
-
1980
- 1980-04-24 HK HK21780A patent/HK21780A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1551978A (en) | 1979-09-05 |
| JPS5258989A (en) | 1977-05-14 |
| BE844121A (fr) | 1976-11-03 |
| IE42886L (en) | 1977-05-10 |
| DE2630501A1 (de) | 1977-05-12 |
| IE42886B1 (en) | 1980-11-05 |
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