NL7214138A - - Google Patents

Info

Publication number
NL7214138A
NL7214138A NL7214138A NL7214138A NL7214138A NL 7214138 A NL7214138 A NL 7214138A NL 7214138 A NL7214138 A NL 7214138A NL 7214138 A NL7214138 A NL 7214138A NL 7214138 A NL7214138 A NL 7214138A
Authority
NL
Netherlands
Application number
NL7214138A
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 NL7214138A publication Critical patent/NL7214138A/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)
NL7214138A 1971-10-20 1972-10-19 NL7214138A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7214138A true NL7214138A (en) 1973-04-25

Family

ID=20297181

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7214138A NL7214138A (en) 1971-10-20 1972-10-19

Country Status (8)

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

Families Citing this family (12)

* 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 (en) * 1976-11-22 1979-09-06 Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf Ionization fire detectors
US4238679A (en) * 1978-12-07 1980-12-09 Conrac Corporation Dual-chamber ionization smoke detector assembly
FR2473201A1 (en) * 1980-01-02 1981-07-10 Gamma Electronic CAPACITIVE SMOKE DETECTOR WITH LOW IONIZATION SOURCE
JPH03196292A (en) * 1989-12-25 1991-08-27 Hochiki Corp Ionization type smoke sensor
ES2070748B1 (en) * 1993-05-17 1996-05-16 Kilsen Sa IONIC SMOKE DETECTOR.
DE9416314U1 (en) 1994-10-10 1994-12-01 Fritz Fuss Gmbh & Co, 72458 Albstadt smoke detector
DE19627620C1 (en) * 1996-07-09 1997-11-13 Bruker Saxonia Analytik Gmbh Electron capture detector for gas chromatography
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 (en) * 2006-03-17 2008-08-27 中国科学院安徽光学精密机械研究所 Portable ionization chamber of photoionization detector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS446089Y1 (en) * 1966-03-30 1969-03-05
DE2029485B2 (en) * 1969-06-21 1971-11-25 Nittan Co. Ltd., Tokio IONIZATION SMOKE SENSORS
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
FR2175383A5 (en) 1973-10-19
BE790355A (en) 1973-02-15
US3838283A (en) 1974-09-24
SE347377B (en) 1972-07-31
NO126977B (en) 1973-04-16
DE2250820A1 (en) 1973-04-26

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Legal Events

Date Code Title Description
BV The patent application has lapsed