CH569972A5 - - Google Patents

Info

Publication number
CH569972A5
CH569972A5 CH978474A CH978474A CH569972A5 CH 569972 A5 CH569972 A5 CH 569972A5 CH 978474 A CH978474 A CH 978474A CH 978474 A CH978474 A CH 978474A CH 569972 A5 CH569972 A5 CH 569972A5
Authority
CH
Switzerland
Application number
CH978474A
Original Assignee
Cerberus Ag
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 Cerberus Ag filed Critical Cerberus Ag
Priority to CH978474A priority Critical patent/CH569972A5/xx
Priority to DE19752525378 priority patent/DE2525378A1/en
Priority to FR7521520A priority patent/FR2279094A1/en
Priority to JP8624875A priority patent/JPS5135389A/en
Publication of CH569972A5 publication Critical patent/CH569972A5/xx

Links

Classifications

    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • 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
    • 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
    • G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CH978474A 1974-07-16 1974-07-16 CH569972A5 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH978474A CH569972A5 (en) 1974-07-16 1974-07-16
DE19752525378 DE2525378A1 (en) 1974-07-16 1975-06-06 METHOD OF DETECTING A GAS COMPONENT, DEVICE FOR EXECUTING AND USING THE METHOD
FR7521520A FR2279094A1 (en) 1974-07-16 1975-07-09 Gas monitoring equipment detects a particular component - such as carbon monoxide using an absorption frequency monitor and used for fire danger alert
JP8624875A JPS5135389A (en) 1974-07-16 1975-07-16 Gasuseibunno kenshutsuhohooyobi sonosochi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH978474A CH569972A5 (en) 1974-07-16 1974-07-16

Publications (1)

Publication Number Publication Date
CH569972A5 true CH569972A5 (en) 1975-11-28

Family

ID=4355603

Family Applications (1)

Application Number Title Priority Date Filing Date
CH978474A CH569972A5 (en) 1974-07-16 1974-07-16

Country Status (4)

Country Link
JP (1) JPS5135389A (en)
CH (1) CH569972A5 (en)
DE (1) DE2525378A1 (en)
FR (1) FR2279094A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999045515A1 (en) * 1998-03-07 1999-09-10 Robert Bosch Gmbh Fire alarm box

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT376301B (en) * 1982-05-06 1984-11-12 List Hans METHOD FOR CONTINUOUSLY MEASURING THE MASS OF AEOROSOL PARTICLES IN GASEOUS SAMPLES, AND APPARATUS FOR CARRYING OUT THE METHOD
DE3633931A1 (en) * 1986-10-04 1988-04-07 Kernforschungsz Karlsruhe METHOD AND DEVICE FOR CONTINUOUSLY MEASURING THE CONCENTRATION OF A GAS COMPONENT
DE3733573A1 (en) * 1987-10-03 1989-04-20 Leybold Ag DEVICE FOR MEASURING THE NON-SUBSTANCE PART IN FLOWING LIQUIDS
DE3741026A1 (en) * 1987-12-03 1989-06-15 Muetek Laser Und Opto Elektron METHOD AND SYSTEM FOR (TRACK) GAS ANALYSIS
DE3819531A1 (en) * 1988-06-08 1989-12-14 Reiner Dipl Phys Szepan SIGNAL PROCESS AND OPERATING TECHNOLOGY FOR LASER SPECTROSCOPIC QUANTITY DETERMINATION OF AMMONIA IN GAS MIXTURES
DE10020615C2 (en) * 2000-04-27 2002-02-28 Glukomeditech Ag Process for the long-term stable and reproducible spectrometric measurement of the concentrations of the components of aqueous solutions and device for carrying out this process
DE102004050045B3 (en) * 2004-10-14 2006-04-13 Robert Bosch Gmbh Process and assembly to measure the concentration of a gas e.g. carbon dioxide in a closed environment by comparison of infrared signals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999045515A1 (en) * 1998-03-07 1999-09-10 Robert Bosch Gmbh Fire alarm box

Also Published As

Publication number Publication date
JPS5135389A (en) 1976-03-25
DE2525378A1 (en) 1976-01-29
FR2279094A1 (en) 1976-02-13

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Legal Events

Date Code Title Description
PL Patent ceased