DE3789219D1 - Elektromagnetische Strahlungserfassung. - Google Patents
Elektromagnetische Strahlungserfassung.Info
- Publication number
- DE3789219D1 DE3789219D1 DE87311483T DE3789219T DE3789219D1 DE 3789219 D1 DE3789219 D1 DE 3789219D1 DE 87311483 T DE87311483 T DE 87311483T DE 3789219 T DE3789219 T DE 3789219T DE 3789219 D1 DE3789219 D1 DE 3789219D1
- Authority
- DE
- Germany
- Prior art keywords
- electromagnetic radiation
- radiation detection
- detection
- electromagnetic
- 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 - Fee Related
Links
- 238000001514 detection method Methods 0.000 title 1
- 230000005670 electromagnetic radiation Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/429—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to measurement of ultraviolet light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8700232A GB2199656B (en) | 1987-01-07 | 1987-01-07 | Detection of electromagnetic radiation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3789219D1 true DE3789219D1 (de) | 1994-04-07 |
DE3789219T2 DE3789219T2 (de) | 1994-08-25 |
Family
ID=10610341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3789219T Expired - Fee Related DE3789219T2 (de) | 1987-01-07 | 1987-12-29 | Elektromagnetische Strahlungserfassung. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4889994A (de) |
EP (1) | EP0274275B1 (de) |
DE (1) | DE3789219T2 (de) |
GB (1) | GB2199656B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9006920D0 (en) * | 1990-03-28 | 1990-05-23 | Nat Res Dev | Light activated transducer |
US5349194A (en) * | 1993-02-01 | 1994-09-20 | The United States Of America As Represented By The United States Department Of Energy | Microgap ultra-violet detector |
GB2417771B (en) | 2004-09-07 | 2010-02-17 | Kidde Ip Holdings Ltd | Improvements in and relating to uv gas discharge tubes |
GB0906211D0 (en) | 2009-04-09 | 2009-05-20 | Andergauge Ltd | Under-reamer |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3342995A (en) * | 1965-07-20 | 1967-09-19 | Honeywell Inc | Flame detector utilizing an ultraviolet sensitive geiger tube |
FR1565498A (de) * | 1968-02-15 | 1969-05-02 | ||
GB1515116A (en) * | 1974-11-05 | 1978-06-21 | Graviner Ltd | Methods and apparatus for optimising the response of transducers |
US4162425A (en) * | 1977-06-30 | 1979-07-24 | Detector Electronics Corporation | Ultraviolet detection tube quenching circuitry |
GB2126713B (en) * | 1980-01-17 | 1984-11-21 | Graviner Ltd | Improvements in and relating to fire and explosion detection |
GB2076148B (en) * | 1980-05-17 | 1984-08-30 | Graviner Ltd | Improvements in and relating to fire or explosion detection |
IL65715A (en) * | 1982-05-07 | 1993-02-21 | Spectronix Ltd | Fire and explosion detection apparatus |
DE3474606D1 (en) * | 1984-01-26 | 1988-11-17 | Gte Licht Gmbh | Method of determining the break-through of a uv tube and device for carrying out the method |
US4611197A (en) * | 1985-02-19 | 1986-09-09 | Sansky Michael J | Malfunction-detecting status monitoring system |
US4736105A (en) * | 1986-04-09 | 1988-04-05 | Tri-Star Research, Inc. | Flame detector system |
-
1987
- 1987-01-07 GB GB8700232A patent/GB2199656B/en not_active Expired - Fee Related
- 1987-12-29 EP EP87311483A patent/EP0274275B1/de not_active Expired - Lifetime
- 1987-12-29 DE DE3789219T patent/DE3789219T2/de not_active Expired - Fee Related
-
1988
- 1988-01-07 US US07/142,454 patent/US4889994A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB8700232D0 (en) | 1987-07-08 |
EP0274275A3 (en) | 1990-05-16 |
GB2199656B (en) | 1990-10-17 |
US4889994A (en) | 1989-12-26 |
EP0274275B1 (de) | 1994-03-02 |
EP0274275A2 (de) | 1988-07-13 |
GB2199656A (en) | 1988-07-13 |
DE3789219T2 (de) | 1994-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |