SE421154B - Med jonisering arbetande larmanordning - Google Patents
Med jonisering arbetande larmanordningInfo
- Publication number
- SE421154B SE421154B SE7708637A SE7708637A SE421154B SE 421154 B SE421154 B SE 421154B SE 7708637 A SE7708637 A SE 7708637A SE 7708637 A SE7708637 A SE 7708637A SE 421154 B SE421154 B SE 421154B
- Authority
- SE
- Sweden
- Prior art keywords
- alarm device
- working alarm
- ionization working
- ionization
- working
- 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
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)
- Fire Alarms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762636778 DE2636778C3 (de) | 1976-08-16 | 1976-08-16 | Ionisations-Brandmelder |
DE19762643470 DE2643470C3 (de) | 1976-09-27 | 1976-09-27 | Ionisations-Brandmelder |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7708637L SE7708637L (sv) | 1978-02-17 |
SE421154B true SE421154B (sv) | 1981-11-30 |
Family
ID=25770817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7708637A SE421154B (sv) | 1976-08-16 | 1977-07-27 | Med jonisering arbetande larmanordning |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH617280A5 (fr) |
FR (1) | FR2362454A1 (fr) |
GB (1) | GB1581246A (fr) |
SE (1) | SE421154B (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3904979A1 (de) * | 1989-02-18 | 1990-08-23 | Beyersdorf Hartwig | Verfahren zum betrieb eines ionisationsrauchmelders und ionisationsrauchmelder |
EP0423489A1 (fr) * | 1989-09-15 | 1991-04-24 | Cerberus Ag | Arrangement pour la détection de fumée avec contrôle |
-
1977
- 1977-07-19 CH CH890577A patent/CH617280A5/de not_active IP Right Cessation
- 1977-07-27 SE SE7708637A patent/SE421154B/xx unknown
- 1977-08-11 FR FR7724719A patent/FR2362454A1/fr active Granted
- 1977-08-11 GB GB33747/77A patent/GB1581246A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1581246A (en) | 1980-12-10 |
FR2362454A1 (fr) | 1978-03-17 |
FR2362454B3 (fr) | 1981-01-09 |
SE7708637L (sv) | 1978-02-17 |
CH617280A5 (en) | 1980-05-14 |
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