BE761610A - Detecteur de fumee - Google Patents

Detecteur de fumee

Info

Publication number
BE761610A
BE761610A BE761610A BE761610A BE761610A BE 761610 A BE761610 A BE 761610A BE 761610 A BE761610 A BE 761610A BE 761610 A BE761610 A BE 761610A BE 761610 A BE761610 A BE 761610A
Authority
BE
Belgium
Prior art keywords
smoke detector
smoke
detector
Prior art date
Application number
BE761610A
Other languages
English (en)
Inventor
H Weber
Original Assignee
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 Euratom filed Critical Euratom
Publication of BE761610A publication Critical patent/BE761610A/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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)
BE761610A 1970-02-09 1971-01-15 Detecteur de fumee BE761610A (fr)

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
BE761610A true BE761610A (fr) 1971-06-16

Family

ID=5762079

Family Applications (1)

Application Number Title Priority Date Filing Date
BE761610A BE761610A (fr) 1970-02-09 1971-01-15 Detecteur de fumee

Country Status (6)

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

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 (fr) * 2011-11-15 2019-03-06 Siemens Schweiz AG Dispositif d'alarme pour le fonctionnement dans le domaine nucléaire, doté d'un chauffage pour chauffer des composants semi-conducteurs typiquement non résistant aux rayonnements pour l'augmentation de la durée de vie fonctionnelle
US20130126508A1 (en) * 2011-11-17 2013-05-23 Texas Instruments Incorporated Extending Radiation Tolerance By Localized Temperature Annealing Of Semiconductor Devices
EP3598106B1 (fr) * 2018-07-17 2020-10-07 Schütz GmbH Messtechnik Dispositif mobile et portable de détection de gaz, procédé de détection de gaz et utilisation du dispositif de détection de gaz

Also Published As

Publication number Publication date
NL7100638A (fr) 1971-08-11
FR2078384A5 (fr) 1971-11-05
LU62557A1 (fr) 1971-08-19
GB1321016A (en) 1973-06-20
DE2006371A1 (de) 1971-08-19

Similar Documents

Publication Publication Date Title
FI53938C (fi) Anordning foer framstaellning av plastroer med tvaerprofilering
SE385050B (sv) Kyvettaggregat
BE773201A (fr) Purgeur
CH536609A (fr) Cigarette
BR7101125D0 (pt) Derivados de benzil-imidazolidinona
BE796166A (fr) Detecteur de fumee
BE775121A (fr) Detecteur de temperature
AR196020A1 (es) Detector de humo
SE395823B (sv) Rokverkskomposition
BE790355A (fr) Detecteur de fumee
BE770182R (fr) Cigarette
BR7102065D0 (pt) Aparelho obturador de pocos
IT941130B (it) Rivelatore sincrono
NL175364C (nl) Kwadratuurdetector.
CH552989A (de) Rauchgasanzeiger.
BR7100113D0 (pt) Novos derivados de dioscolan
DE2159140B2 (de) Photoelektrisches detektorsystem
BE761610A (fr) Detecteur de fumee
CH524896A (de) Photoelektrischer Detektor
AT301398B (de) Ionisations-Rauchmelder
DE1933938B2 (de) Ionisations rauchgasanzeiger
CH526178A (de) Rauchmelder
CH520990A (de) Rauchdetektor
TR16982A (tr) Tuetuen dumani filtresi
CH518548A (de) Flammenionisationsdetektor