GB2278719B - Ionic smoke detector - Google Patents
Ionic smoke detectorInfo
- Publication number
- GB2278719B GB2278719B GB9408719A GB9408719A GB2278719B GB 2278719 B GB2278719 B GB 2278719B GB 9408719 A GB9408719 A GB 9408719A GB 9408719 A GB9408719 A GB 9408719A GB 2278719 B GB2278719 B GB 2278719B
- Authority
- GB
- United Kingdom
- Prior art keywords
- smoke detector
- ionic smoke
- ionic
- detector
- smoke
- 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 - Fee Related
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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9301050A ES2070748B1 (en) | 1993-05-17 | 1993-05-17 | IONIC SMOKE DETECTOR. |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9408719D0 GB9408719D0 (en) | 1994-06-22 |
GB2278719A GB2278719A (en) | 1994-12-07 |
GB2278719B true GB2278719B (en) | 1997-03-26 |
Family
ID=8281828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9408719A Expired - Fee Related GB2278719B (en) | 1993-05-17 | 1994-05-03 | Ionic smoke detector |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES2070748B1 (en) |
GB (1) | GB2278719B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2451915R1 (en) | 2012-09-27 | 2014-06-02 | Utc Fire & Security Americas Corporation, Inc. | MODULAR SMOKE DETECTION SYSTEM AND PROCEDURE FOR MOUNTING A SMOKE DETECTION SYSTEM |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1324286A (en) * | 1970-07-23 | 1973-07-25 | Cerberus Ag | Ionisation fire alarm |
GB1341372A (en) * | 1971-10-20 | 1973-12-19 | Securitas Ab Bevaknings | Smoke detector |
EP0217100A2 (en) * | 1985-08-24 | 1987-04-08 | Nohmi Bosai Ltd. | An ionization-type smoke detector |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4937562A (en) * | 1987-12-26 | 1990-06-26 | Hochiki Corp. | Moisture-proof ionization smoke detector |
FR2640384B1 (en) * | 1988-12-13 | 1991-04-12 | Morrison Co Ets | IONIZATION COMBUSTION GAS DETECTOR |
-
1993
- 1993-05-17 ES ES9301050A patent/ES2070748B1/en not_active Expired - Fee Related
-
1994
- 1994-05-03 GB GB9408719A patent/GB2278719B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1324286A (en) * | 1970-07-23 | 1973-07-25 | Cerberus Ag | Ionisation fire alarm |
GB1341372A (en) * | 1971-10-20 | 1973-12-19 | Securitas Ab Bevaknings | Smoke detector |
EP0217100A2 (en) * | 1985-08-24 | 1987-04-08 | Nohmi Bosai Ltd. | An ionization-type smoke detector |
Also Published As
Publication number | Publication date |
---|---|
GB2278719A (en) | 1994-12-07 |
ES2070748R (en) | 1995-10-16 |
ES2070748B1 (en) | 1996-05-16 |
ES2070748A2 (en) | 1995-06-01 |
GB9408719D0 (en) | 1994-06-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20030503 |