GB1542792A - Ultra-violet radiation detector circuit arrangements - Google Patents
Ultra-violet radiation detector circuit arrangementsInfo
- Publication number
- GB1542792A GB1542792A GB5249877A GB5249877A GB1542792A GB 1542792 A GB1542792 A GB 1542792A GB 5249877 A GB5249877 A GB 5249877A GB 5249877 A GB5249877 A GB 5249877A GB 1542792 A GB1542792 A GB 1542792A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ultra
- radiation detector
- detector circuit
- circuit arrangements
- violet radiation
- 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
- 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
-
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1630476A CH604088A5 (en) | 1976-12-24 | 1976-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1542792A true GB1542792A (en) | 1979-03-28 |
Family
ID=4416146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5249877A Expired GB1542792A (en) | 1976-12-24 | 1977-12-16 | Ultra-violet radiation detector circuit arrangements |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH604088A5 (en) |
| DE (1) | DE2704971C3 (en) |
| DK (1) | DK146606C (en) |
| FR (1) | FR2375794A1 (en) |
| GB (1) | GB1542792A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2938786C3 (en) * | 1979-09-19 | 1982-05-06 | LGZ Landis & Gyr Zug AG, 6301 Zug | Flame safeguards supplied with alternating voltage |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3387135A (en) * | 1965-07-26 | 1968-06-04 | Honeywell Inc | Fire detection and flame safeguard apparatus |
| CH483600A (en) * | 1967-05-03 | 1969-12-31 | Landis & Gyr Ag | Flame monitors for combustion systems |
-
1976
- 1976-12-24 CH CH1630476A patent/CH604088A5/xx not_active IP Right Cessation
-
1977
- 1977-02-07 DE DE19772704971 patent/DE2704971C3/en not_active Expired
- 1977-12-16 GB GB5249877A patent/GB1542792A/en not_active Expired
- 1977-12-22 DK DK576377A patent/DK146606C/en not_active IP Right Cessation
- 1977-12-22 FR FR7738847A patent/FR2375794A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2704971A1 (en) | 1978-06-29 |
| DE2704971C3 (en) | 1979-09-20 |
| FR2375794A1 (en) | 1978-07-21 |
| DE2704971B2 (en) | 1979-01-25 |
| FR2375794B1 (en) | 1983-11-04 |
| DK146606C (en) | 1984-04-30 |
| DK146606B (en) | 1983-11-14 |
| CH604088A5 (en) | 1978-08-31 |
| DK576377A (en) | 1978-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |