DK576277A - Kredsloeb til foedning af et paa em forstaerker virkende uv-roer i flammedetektorer - Google Patents
Kredsloeb til foedning af et paa em forstaerker virkende uv-roer i flammedetektorerInfo
- Publication number
- DK576277A DK576277A DK576277A DK576277A DK576277A DK 576277 A DK576277 A DK 576277A DK 576277 A DK576277 A DK 576277A DK 576277 A DK576277 A DK 576277A DK 576277 A DK576277 A DK 576277A
- Authority
- DK
- Denmark
- Prior art keywords
- feeding
- tube
- circuit
- flame detectors
- enhancer
- Prior art date
Links
- 239000003623 enhancer Substances 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M11/00—Safety arrangements
- F23M11/04—Means for supervising combustion, e.g. windows
- F23M11/045—Means for supervising combustion, e.g. windows by observing the flame
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
- F23N5/082—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements using electronic means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1630376A CH604087A5 (enExample) | 1976-12-24 | 1976-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK576277A true DK576277A (da) | 1978-06-25 |
Family
ID=4416135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK576277A DK576277A (da) | 1976-12-24 | 1977-12-22 | Kredsloeb til foedning af et paa em forstaerker virkende uv-roer i flammedetektorer |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH604087A5 (enExample) |
| DE (1) | DE2704970C3 (enExample) |
| DK (1) | DK576277A (enExample) |
| FR (1) | FR2375793A1 (enExample) |
| GB (1) | GB1542791A (enExample) |
-
1976
- 1976-12-24 CH CH1630376A patent/CH604087A5/xx not_active IP Right Cessation
-
1977
- 1977-02-07 DE DE19772704970 patent/DE2704970C3/de not_active Expired
- 1977-12-16 GB GB5249777A patent/GB1542791A/en not_active Expired
- 1977-12-22 FR FR7738846A patent/FR2375793A1/fr active Granted
- 1977-12-22 DK DK576277A patent/DK576277A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1542791A (en) | 1979-03-28 |
| FR2375793B1 (enExample) | 1983-11-10 |
| DE2704970C3 (de) | 1979-11-08 |
| CH604087A5 (enExample) | 1978-08-31 |
| DE2704970A1 (de) | 1978-11-16 |
| DE2704970B2 (de) | 1979-03-15 |
| FR2375793A1 (fr) | 1978-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHS | Application shelved for other reasons than non-payment |