GB2348999C - An alarm device - Google Patents
An alarm deviceInfo
- Publication number
- GB2348999C GB2348999C GB9912479A GB9912479A GB2348999C GB 2348999 C GB2348999 C GB 2348999C GB 9912479 A GB9912479 A GB 9912479A GB 9912479 A GB9912479 A GB 9912479A GB 2348999 C GB2348999 C GB 2348999C
- Authority
- GB
- United Kingdom
- Prior art keywords
- alarm device
- alarm
- 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.)
- Expired - Lifetime
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)
- Fire Alarms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IE990304 | 1999-04-13 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| GB9912479D0 GB9912479D0 (en) | 1999-07-28 |
| GB2348999A GB2348999A (en) | 2000-10-18 |
| GB2348999B GB2348999B (en) | 2003-06-18 |
| GB2348999C true GB2348999C (en) | 2005-10-05 |
Family
ID=11042042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9912479A Expired - Lifetime GB2348999C (en) | 1999-04-13 | 1999-06-01 | An alarm device |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB2348999C (en) |
| IE (1) | IES990426A2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2426323A (en) * | 2005-05-16 | 2006-11-22 | Fire Fighting Entpr Ltd | Infra-red beam smoke detection system |
| AU2008200075B1 (en) * | 2008-01-08 | 2009-06-11 | Psa Products Pty Ltd | Alarm device |
| CN109712378B (en) * | 2019-02-21 | 2023-11-17 | 赛特威尔电子股份有限公司 | Alarm device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH635001A5 (en) * | 1979-01-23 | 1983-03-15 | Cerberus Ag | CONNECTING DEVICE FOR CONNECTING A BASE PART TO A DETECTOR INSERT IN A FIRE DETECTOR. |
| JP2654073B2 (en) * | 1988-04-08 | 1997-09-17 | 松下電工株式会社 | Embedded sensor base |
| DE9210856U1 (en) * | 1992-08-13 | 1992-10-08 | Siemens AG, 8000 München | Automatic fire detector |
| GB9307187D0 (en) * | 1993-04-06 | 1993-05-26 | Dee Electronics Limited | Gas alarm |
| IES70922B2 (en) * | 1996-04-15 | 1997-01-15 | E I Tech Ltd | A mains powered alarm sensor unit having a primary battery backup |
-
1999
- 1999-05-26 IE IE19990426A patent/IES990426A2/en not_active IP Right Cessation
- 1999-06-01 GB GB9912479A patent/GB2348999C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2348999B (en) | 2003-06-18 |
| GB2348999A (en) | 2000-10-18 |
| GB9912479D0 (en) | 1999-07-28 |
| IES990426A2 (en) | 2000-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2349510B (en) | Keybutton-equipped device | |
| GB9922147D0 (en) | Remote survelliance alarm device | |
| TW440033U (en) | Alarm device | |
| GB9804069D0 (en) | Alarm device | |
| GB0018025D0 (en) | Monitoring device | |
| GB2348999B (en) | An alarm device | |
| GB2345785B (en) | Alarm apparatus | |
| GB2352511B (en) | Colourimetry device | |
| GB0006110D0 (en) | Wear-warning device | |
| GB2357418B (en) | An animal-washing device | |
| GB2347540B (en) | An alarm system | |
| GB9923305D0 (en) | Alarm device | |
| AU142453S (en) | Alarm communication device | |
| GB9921678D0 (en) | Alarm device | |
| GB2349255B (en) | Alarm apparatus | |
| GB2349726B (en) | Alarm apparatus | |
| GB9929943D0 (en) | Alarm device assembly | |
| GB2348081B (en) | An alarm apparatus | |
| GB9806338D0 (en) | Alarm device | |
| TW395546U (en) | Alarm device | |
| GB2381360B (en) | Alarm apparatus | |
| TW381494U (en) | Clysis alarming device | |
| GB9919701D0 (en) | An anti-ram device | |
| GB9926868D0 (en) | Alert checking device | |
| GB2347614B (en) | Milkpan device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 773B | Case decided by the comptroller ** specification amended (sect. 73(2)/1977) | ||
| PE20 | Patent expired after termination of 20 years |
Expiry date: 20190531 |