GB2091485B - Ionization smoke detector - Google Patents
Ionization smoke detectorInfo
- Publication number
- GB2091485B GB2091485B GB8200748A GB8200748A GB2091485B GB 2091485 B GB2091485 B GB 2091485B GB 8200748 A GB8200748 A GB 8200748A GB 8200748 A GB8200748 A GB 8200748A GB 2091485 B GB2091485 B GB 2091485B
- Authority
- GB
- United Kingdom
- Prior art keywords
- smoke detector
- ionization smoke
- ionization
- 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
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
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
- G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (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 |
|---|---|---|---|
| US22438781A | 1981-01-12 | 1981-01-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2091485A GB2091485A (en) | 1982-07-28 |
| GB2091485B true GB2091485B (en) | 1984-10-03 |
Family
ID=22840457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8200748A Expired GB2091485B (en) | 1981-01-12 | 1982-01-12 | Ionization smoke detector |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS57164398A (en) |
| CA (1) | CA1182592A (en) |
| CH (1) | CH657222A5 (en) |
| DE (1) | DE3200620A1 (en) |
| ES (1) | ES508630A0 (en) |
| GB (1) | GB2091485B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3904979A1 (en) * | 1989-02-18 | 1990-08-23 | Beyersdorf Hartwig | METHOD FOR OPERATING AN IONIZATION SMOKE DETECTOR AND IONIZATION SMOKE DETECTOR |
| US5189399A (en) * | 1989-02-18 | 1993-02-23 | Hartwig Beyersdorf | Method of operating an ionization smoke alarm and ionization smoke alarm |
| CN102473339B (en) | 2009-07-07 | 2016-01-27 | 爱克斯崔里斯科技有限公司 | Room regulates |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4238788A (en) * | 1978-01-03 | 1980-12-09 | Teledyne Industries, Inc. | System for detecting a combustion process |
-
1982
- 1982-01-07 CH CH67/82A patent/CH657222A5/en not_active IP Right Cessation
- 1982-01-11 CA CA000393916A patent/CA1182592A/en not_active Expired
- 1982-01-11 ES ES508630A patent/ES508630A0/en active Granted
- 1982-01-12 DE DE19823200620 patent/DE3200620A1/en not_active Ceased
- 1982-01-12 JP JP57003242A patent/JPS57164398A/en active Pending
- 1982-01-12 GB GB8200748A patent/GB2091485B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2091485A (en) | 1982-07-28 |
| JPS57164398A (en) | 1982-10-08 |
| ES8307060A1 (en) | 1983-07-01 |
| CH657222A5 (en) | 1986-08-15 |
| ES508630A0 (en) | 1983-07-01 |
| CA1182592A (en) | 1985-02-12 |
| DE3200620A1 (en) | 1982-09-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |