JPS51103485A - - Google Patents
Info
- Publication number
- JPS51103485A JPS51103485A JP51011199A JP1119976A JPS51103485A JP S51103485 A JPS51103485 A JP S51103485A JP 51011199 A JP51011199 A JP 51011199A JP 1119976 A JP1119976 A JP 1119976A JP S51103485 A JPS51103485 A JP S51103485A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/547,173 US3952196A (en) | 1975-02-05 | 1975-02-05 | Radiation detection apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51103485A true JPS51103485A (ja) | 1976-09-13 |
Family
ID=24183612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51011199A Pending JPS51103485A (ja) | 1975-02-05 | 1976-02-04 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3952196A (ja) |
JP (1) | JPS51103485A (ja) |
CA (1) | CA1059598A (ja) |
DE (1) | DE2603824A1 (ja) |
GB (1) | GB1534969A (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2856188C2 (de) * | 1978-12-27 | 1985-09-05 | Brown, Boveri & Cie Ag, 6800 Mannheim | Einrichtung zur Erfassung von Störlichtbögen in Schaltanlagen |
US4365896A (en) * | 1980-04-03 | 1982-12-28 | Bethlehem Steel Corp. | Optical attenuation monitor system and method |
US4323785A (en) * | 1980-05-16 | 1982-04-06 | Libbey-Owens-Ford Company | Method of and apparatus for observing sheet surfaces for traces of fluorescent materials thereon |
US4405234A (en) * | 1981-08-03 | 1983-09-20 | Detector Electronics Corp. | Radiation detection apparatus having refractive light checking feature |
EP0078443A3 (en) * | 1981-10-30 | 1984-11-28 | Armtec Industries, Inc. | Fire detection system |
US4529881A (en) * | 1982-03-02 | 1985-07-16 | Pyrotector, Inc. | Flame detector with test lamp and adjustable field of view |
JPS61133841A (ja) * | 1984-12-04 | 1986-06-21 | Fuji Electric Corp Res & Dev Ltd | 赤外線分析計 |
GB2169731B (en) * | 1985-01-14 | 1988-12-14 | Jnr Robert Mcnair | Alarm sound generator with a foam injection detector |
GB2175686A (en) * | 1985-05-28 | 1986-12-03 | Graviner Ltd | Fire or explosion detection arrangement |
US4826316A (en) * | 1987-05-29 | 1989-05-02 | Detector Electronics Corporation | Radiation detection apparatus |
US5578828A (en) * | 1994-11-15 | 1996-11-26 | General Electric Company | Flame sensor window coating compensation |
US5914489A (en) * | 1997-07-24 | 1999-06-22 | General Monitors, Incorporated | Continuous optical path monitoring of optical flame and radiation detectors |
US5812270A (en) * | 1997-09-17 | 1998-09-22 | Ircon, Inc. | Window contamination detector |
GB2426578A (en) * | 2005-05-27 | 2006-11-29 | Thorn Security | A flame detector having a pulsing optical test source that simulates the frequency of a flame |
GB2426577A (en) * | 2005-05-27 | 2006-11-29 | Thorn Security | An optical detector with a reflector outside of its housing, and a plurality of sensors inside of its housing |
EP2251846B1 (de) * | 2009-05-13 | 2017-04-05 | Minimax GmbH & Co KG | Flammenmelder |
EP2251847B1 (de) * | 2009-05-13 | 2016-02-24 | Minimax GmbH & Co KG | Vorrichtung und Verfahren zum Detektieren von Flammen mittels Detektoren |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4842224U (ja) * | 1971-09-22 | 1973-05-30 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3105908A (en) * | 1963-10-01 | burkhardt etal | ||
US2096323A (en) * | 1935-10-31 | 1937-10-19 | Honeywell Regulator Co | Temperature measuring apparatus |
US3387135A (en) * | 1965-07-26 | 1968-06-04 | Honeywell Inc | Fire detection and flame safeguard apparatus |
US3510648A (en) * | 1967-04-25 | 1970-05-05 | Honeywell Inc | Apparatus employing ultraviolet radiation for measuring the amount of fluorescent material in a continuously flowing fluid stream |
US3654477A (en) * | 1970-06-02 | 1972-04-04 | Bionic Instr Inc | Obstacle detection system for use by blind comprising plural ranging channels mounted on spectacle frames |
US3700909A (en) * | 1972-03-09 | 1972-10-24 | Columbia Research Corp | Method for detecting pinhole defects in foil material |
US3842263A (en) * | 1973-02-01 | 1974-10-15 | Gen Electric | Molded opto-electronic transducer |
US3774039A (en) * | 1973-03-05 | 1973-11-20 | Scient Techn Inc | Photoelectric apparatus for detecting light reflected from an object |
-
1975
- 1975-02-05 US US05/547,173 patent/US3952196A/en not_active Expired - Lifetime
-
1976
- 1976-01-27 GB GB2974/76A patent/GB1534969A/en not_active Expired
- 1976-02-02 DE DE19762603824 patent/DE2603824A1/de active Pending
- 1976-02-04 JP JP51011199A patent/JPS51103485A/ja active Pending
- 1976-02-04 CA CA245,023A patent/CA1059598A/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4842224U (ja) * | 1971-09-22 | 1973-05-30 |
Also Published As
Publication number | Publication date |
---|---|
US3952196A (en) | 1976-04-20 |
GB1534969A (en) | 1978-12-06 |
CA1059598A (en) | 1979-07-31 |
DE2603824A1 (de) | 1976-08-19 |