DK135648C - - Google Patents
Info
- Publication number
- DK135648C DK135648C DK424375A DK424375A DK135648C DK 135648 C DK135648 C DK 135648C DK 424375 A DK424375 A DK 424375A DK 424375 A DK424375 A DK 424375A DK 135648 C DK135648 C DK 135648C
- Authority
- DK
- Denmark
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1284374A CH569335A5 (it) | 1974-09-23 | 1974-09-23 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK424375A DK424375A (it) | 1976-03-24 |
| DK135648B DK135648B (da) | 1977-05-31 |
| DK135648C true DK135648C (it) | 1977-11-07 |
Family
ID=4386908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK424375AA DK135648B (da) | 1974-09-23 | 1975-09-22 | Ionisationsbrandmelder. |
Country Status (7)
| Country | Link |
|---|---|
| CH (1) | CH569335A5 (it) |
| DE (1) | DE2541290A1 (it) |
| DK (1) | DK135648B (it) |
| FR (1) | FR2285666A1 (it) |
| GB (1) | GB1512545A (it) |
| NO (1) | NO140081C (it) |
| SE (1) | SE405520B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2713280C3 (de) * | 1977-03-25 | 1986-10-23 | Esser Sicherheitstechnik GmbH & Co KG, 4040 Neuss | Funktionsüberprüfbare Feuermelderanlage |
| DE102014019172B4 (de) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem |
| DE102014019773B4 (de) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons |
-
1974
- 1974-09-23 CH CH1284374A patent/CH569335A5/xx not_active IP Right Cessation
-
1975
- 1975-09-16 DE DE19752541290 patent/DE2541290A1/de not_active Withdrawn
- 1975-09-18 SE SE7510476A patent/SE405520B/xx unknown
- 1975-09-22 NO NO753217A patent/NO140081C/no unknown
- 1975-09-22 DK DK424375AA patent/DK135648B/da not_active IP Right Cessation
- 1975-09-22 FR FR7528934A patent/FR2285666A1/fr active Granted
- 1975-09-23 GB GB38981/75A patent/GB1512545A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK135648B (da) | 1977-05-31 |
| NO140081C (no) | 1979-07-04 |
| FR2285666A1 (fr) | 1976-04-16 |
| DE2541290A1 (de) | 1976-04-08 |
| FR2285666B1 (it) | 1982-04-23 |
| SE405520B (sv) | 1978-12-11 |
| SE7510476L (sv) | 1976-03-24 |
| DK424375A (it) | 1976-03-24 |
| NO753217L (it) | 1976-03-24 |
| GB1512545A (en) | 1978-06-01 |
| CH569335A5 (it) | 1975-11-14 |
| NO140081B (no) | 1979-03-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |