DE2603824A1 - Strahlungsanzeigegeraet - Google Patents

Strahlungsanzeigegeraet

Info

Publication number
DE2603824A1
DE2603824A1 DE19762603824 DE2603824A DE2603824A1 DE 2603824 A1 DE2603824 A1 DE 2603824A1 DE 19762603824 DE19762603824 DE 19762603824 DE 2603824 A DE2603824 A DE 2603824A DE 2603824 A1 DE2603824 A1 DE 2603824A1
Authority
DE
Germany
Prior art keywords
radiation
housing
display device
lens
light source
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.)
Pending
Application number
DE19762603824
Other languages
German (de)
English (en)
Inventor
Theodore E Larsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Detector Electronics Corp
Original Assignee
Detector Electronics Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24183612&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE2603824(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Detector Electronics Corp filed Critical Detector Electronics Corp
Publication of DE2603824A1 publication Critical patent/DE2603824A1/de
Pending legal-status Critical Current

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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE19762603824 1975-02-05 1976-02-02 Strahlungsanzeigegeraet Pending DE2603824A1 (de)

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
DE2603824A1 true DE2603824A1 (de) 1976-08-19

Family

ID=24183612

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762603824 Pending DE2603824A1 (de) 1975-02-05 1976-02-02 Strahlungsanzeigegeraet

Country Status (5)

Country Link
US (1) US3952196A (enExample)
JP (1) JPS51103485A (enExample)
CA (1) CA1059598A (enExample)
DE (1) DE2603824A1 (enExample)
GB (1) GB1534969A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1894177A1 (en) 2005-05-27 2008-03-05 Thorn Security Limited Detector
US7956329B2 (en) 2005-05-27 2011-06-07 Thorn Security Limited Flame detector and a method

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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
ES2569603T3 (es) * 2009-05-13 2016-05-11 Minimax Gmbh & Co Kg Dispositivo y procedimiento para la detección de llamas por medio de detectores
EP2251846B1 (de) * 2009-05-13 2017-04-05 Minimax GmbH & Co KG Flammenmelder

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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
JPS4842224U (enExample) * 1971-09-22 1973-05-30
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1894177A1 (en) 2005-05-27 2008-03-05 Thorn Security Limited Detector
US7948628B2 (en) 2005-05-27 2011-05-24 Thorn Security Limited Window cleanliness detection system
US7956329B2 (en) 2005-05-27 2011-06-07 Thorn Security Limited Flame detector and a method

Also Published As

Publication number Publication date
US3952196A (en) 1976-04-20
CA1059598A (en) 1979-07-31
GB1534969A (en) 1978-12-06
JPS51103485A (enExample) 1976-09-13

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Legal Events

Date Code Title Description
OD Request for examination
OHJ Non-payment of the annual fee