NL7100638A - - Google Patents

Info

Publication number
NL7100638A
NL7100638A NL7100638A NL7100638A NL7100638A NL 7100638 A NL7100638 A NL 7100638A NL 7100638 A NL7100638 A NL 7100638A NL 7100638 A NL7100638 A NL 7100638A NL 7100638 A NL7100638 A NL 7100638A
Authority
NL
Netherlands
Application number
NL7100638A
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 filed Critical
Publication of NL7100638A publication Critical patent/NL7100638A/xx

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103Actuation 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/49Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11Actuation 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
    • G08B17/113Constructional 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)
NL7100638A 1970-02-09 1971-01-18 NL7100638A (xx)

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
NL7100638A true NL7100638A (xx) 1971-08-11

Family

ID=5762079

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7100638A NL7100638A (xx) 1970-02-09 1971-01-18

Country Status (6)

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

Families Citing this family (5)

* 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
EP3598106B1 (de) * 2018-07-17 2020-10-07 Schütz GmbH Messtechnik Mobile, tragbare gassensorvorrichtung, gasmessverfahren und verwendung der gassensorvorrichtung

Also Published As

Publication number Publication date
FR2078384A5 (xx) 1971-11-05
BE761610A (fr) 1971-06-16
LU62557A1 (xx) 1971-08-19
GB1321016A (en) 1973-06-20
DE2006371A1 (de) 1971-08-19

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