DE2006371A1 - Rauchdetektor - Google Patents

Rauchdetektor

Info

Publication number
DE2006371A1
DE2006371A1 DE19702006371 DE2006371A DE2006371A1 DE 2006371 A1 DE2006371 A1 DE 2006371A1 DE 19702006371 DE19702006371 DE 19702006371 DE 2006371 A DE2006371 A DE 2006371A DE 2006371 A1 DE2006371 A1 DE 2006371A1
Authority
DE
Germany
Prior art keywords
measuring
light
light beam
channel
gas
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
DE19702006371
Other languages
German (de)
English (en)
Inventor
Heinz Brebbia Varese Weber (Italien) M
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.)
European Atomic Energy Community Euratom
Original Assignee
European Atomic Energy Community Euratom
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
Application filed by European Atomic Energy Community Euratom filed Critical European Atomic Energy Community Euratom
Priority to DE19702006371 priority Critical patent/DE2006371A1/de
Priority to BE761610A priority patent/BE761610A/xx
Priority to NL7100638A priority patent/NL7100638A/xx
Priority to LU62557D priority patent/LU62557A1/xx
Priority to FR7104297A priority patent/FR2078384A5/fr
Priority to GB2089871A priority patent/GB1321016A/en
Publication of DE2006371A1 publication Critical patent/DE2006371A1/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
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE19702006371 1970-02-09 1970-02-09 Rauchdetektor Pending DE2006371A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19702006371 DE2006371A1 (de) 1970-02-09 1970-02-09 Rauchdetektor
BE761610A BE761610A (fr) 1970-02-09 1971-01-15 Detecteur de fumee
NL7100638A NL7100638A (enExample) 1970-02-09 1971-01-18
LU62557D LU62557A1 (enExample) 1970-02-09 1971-02-08
FR7104297A FR2078384A5 (enExample) 1970-02-09 1971-02-09
GB2089871A GB1321016A (en) 1970-02-09 1971-04-19 Apparatus for detecting smoke dust or like matter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702006371 DE2006371A1 (de) 1970-02-09 1970-02-09 Rauchdetektor

Publications (1)

Publication Number Publication Date
DE2006371A1 true DE2006371A1 (de) 1971-08-19

Family

ID=5762079

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702006371 Pending DE2006371A1 (de) 1970-02-09 1970-02-09 Rauchdetektor

Country Status (6)

Country Link
BE (1) BE761610A (enExample)
DE (1) DE2006371A1 (enExample)
FR (1) FR2078384A5 (enExample)
GB (1) GB1321016A (enExample)
LU (1) LU62557A1 (enExample)
NL (1) NL7100638A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3598106A1 (de) * 2018-07-17 2020-01-22 Schütz GmbH Messtechnik Mobile, tragbare gassensorvorrichtung, gasmessverfahren und verwendung der gassensorvorrichtung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3714926B2 (ja) * 2002-08-22 2005-11-09 ホーチキ株式会社 サンプリング管式煙検知器
US8289177B2 (en) * 2009-06-29 2012-10-16 Honeywell International Inc. Circuitry to monitor and control source of radiant energy in smoke detector
EP2595126B1 (de) 2011-11-15 2019-03-06 Siemens Schweiz AG Gefahrenmelder zum Betrieb im Nuklearbereich, mit einer Heizung zum Beheizen typischerweise nichtstrahlungsfester Halbleiterbauelemente zur Erhöhung der funktionalen Lebensdauer
US20130126508A1 (en) * 2011-11-17 2013-05-23 Texas Instruments Incorporated Extending Radiation Tolerance By Localized Temperature Annealing Of Semiconductor Devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3598106A1 (de) * 2018-07-17 2020-01-22 Schütz GmbH Messtechnik Mobile, tragbare gassensorvorrichtung, gasmessverfahren und verwendung der gassensorvorrichtung

Also Published As

Publication number Publication date
BE761610A (fr) 1971-06-16
GB1321016A (en) 1973-06-20
NL7100638A (enExample) 1971-08-11
FR2078384A5 (enExample) 1971-11-05
LU62557A1 (enExample) 1971-08-19

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