BE790355A - Detecteur de fumee - Google Patents

Detecteur de fumee

Info

Publication number
BE790355A
BE790355A BE790355DA BE790355A BE 790355 A BE790355 A BE 790355A BE 790355D A BE790355D A BE 790355DA BE 790355 A BE790355 A BE 790355A
Authority
BE
Belgium
Prior art keywords
smoke detector
smoke
detector
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Bevaknings A B Securitas
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.)
Publication date
Publication of BE790355A publication Critical patent/BE790355A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
BE790355D 1971-10-20 Detecteur de fumee BE790355A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE13304/71A SE347377B (enrdf_load_stackoverflow) 1971-10-20 1971-10-20

Publications (1)

Publication Number Publication Date
BE790355A true BE790355A (fr) 1973-02-15

Family

ID=20297181

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790355D BE790355A (fr) 1971-10-20 Detecteur de fumee

Country Status (8)

Country Link
US (1) US3838283A (enrdf_load_stackoverflow)
BE (1) BE790355A (enrdf_load_stackoverflow)
DE (1) DE2250820A1 (enrdf_load_stackoverflow)
FR (1) FR2175383A5 (enrdf_load_stackoverflow)
GB (1) GB1341372A (enrdf_load_stackoverflow)
NL (1) NL7214138A (enrdf_load_stackoverflow)
NO (1) NO126977B (enrdf_load_stackoverflow)
SE (1) SE347377B (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075487A (en) * 1976-05-14 1978-02-21 Patent Development & Management Company Ionization chamber assembly
DE2652970C3 (de) * 1976-11-22 1979-09-06 Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf Ionisations-Brandmelder
US4245174A (en) 1978-04-24 1981-01-13 Isotec Industries Limited Dual ionization chamber
US4238679A (en) * 1978-12-07 1980-12-09 Conrac Corporation Dual-chamber ionization smoke detector assembly
FR2473201A1 (fr) * 1980-01-02 1981-07-10 Gamma Electronic Detecteur de fumees capacitif a faible source d'ionisation
JPH03196292A (ja) * 1989-12-25 1991-08-27 Hochiki Corp イオン化式煙感知器
ES2070748B1 (es) * 1993-05-17 1996-05-16 Kilsen Sa Detector ionico de humos.
DE9416314U1 (de) 1994-10-10 1994-12-01 Fritz Fuss Gmbh & Co, 72458 Albstadt Rauchmelder
DE19627620C1 (de) * 1996-07-09 1997-11-13 Bruker Saxonia Analytik Gmbh Elektroneneinfangdetektor
US20050218811A1 (en) * 2004-03-31 2005-10-06 Schulman Michael B Gas discharge lamp with high-energy vacuum ultraviolet emission
AU2005230450B2 (en) * 2004-03-31 2009-12-17 Msa Technology, Llc Photoionization detector
US7504962B2 (en) * 2005-11-22 2009-03-17 Joseph Stephen Smith Apparatus for enclosing a smoke detector
CN100414291C (zh) * 2006-03-17 2008-08-27 中国科学院安徽光学精密机械研究所 一种便携式光离子化检测器的电离室

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS446089Y1 (enrdf_load_stackoverflow) * 1966-03-30 1969-03-05
DE2029485B2 (de) * 1969-06-21 1971-11-25 Nittan Co. Ltd., Tokio Ionisations rauchfuehler
ZA704724B (en) * 1969-07-22 1971-03-31 Nittan Co Ltd Ionization smoke detector

Also Published As

Publication number Publication date
GB1341372A (en) 1973-12-19
DE2250820A1 (de) 1973-04-26
NO126977B (enrdf_load_stackoverflow) 1973-04-16
SE347377B (enrdf_load_stackoverflow) 1972-07-31
US3838283A (en) 1974-09-24
NL7214138A (enrdf_load_stackoverflow) 1973-04-25
FR2175383A5 (enrdf_load_stackoverflow) 1973-10-19

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