JPS57164398A - Ionization type smoke detector - Google Patents
Ionization type smoke detectorInfo
- Publication number
- JPS57164398A JPS57164398A JP57003242A JP324282A JPS57164398A JP S57164398 A JPS57164398 A JP S57164398A JP 57003242 A JP57003242 A JP 57003242A JP 324282 A JP324282 A JP 324282A JP S57164398 A JPS57164398 A JP S57164398A
- Authority
- JP
- Japan
- Prior art keywords
- smoke detector
- type smoke
- ionization type
- ionization
- detector
- 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.)
- Pending
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22438781A | 1981-01-12 | 1981-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57164398A true JPS57164398A (en) | 1982-10-08 |
Family
ID=22840457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57003242A Pending JPS57164398A (en) | 1981-01-12 | 1982-01-12 | Ionization type 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) | ES8307060A1 (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 |
| US9111427B2 (en) | 2009-07-07 | 2015-08-18 | Xtralis Technologies Ltd | Chamber condition |
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/ES8307060A1/en not_active Expired
- 1982-01-12 GB GB8200748A patent/GB2091485B/en not_active Expired
- 1982-01-12 DE DE19823200620 patent/DE3200620A1/en not_active Ceased
- 1982-01-12 JP JP57003242A patent/JPS57164398A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1182592A (en) | 1985-02-12 |
| CH657222A5 (en) | 1986-08-15 |
| ES508630A0 (en) | 1983-07-01 |
| GB2091485A (en) | 1982-07-28 |
| DE3200620A1 (en) | 1982-09-09 |
| ES8307060A1 (en) | 1983-07-01 |
| GB2091485B (en) | 1984-10-03 |
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