GB2195204B - Apparatus for detecting ultra-fine particles - Google Patents

Apparatus for detecting ultra-fine particles

Info

Publication number
GB2195204B
GB2195204B GB8622590A GB8622590A GB2195204B GB 2195204 B GB2195204 B GB 2195204B GB 8622590 A GB8622590 A GB 8622590A GB 8622590 A GB8622590 A GB 8622590A GB 2195204 B GB2195204 B GB 2195204B
Authority
GB
United Kingdom
Prior art keywords
fine particles
detecting ultra
ultra
detecting
fine
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
GB8622590A
Other versions
GB8622590D0 (en
GB2195204A (en
Inventor
Senichi Masuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19863631954 priority Critical patent/DE3631954A1/en
Priority to FR8613136A priority patent/FR2604257B1/en
Priority to GB8622590A priority patent/GB2195204B/en
Publication of GB8622590D0 publication Critical patent/GB8622590D0/en
Publication of GB2195204A publication Critical patent/GB2195204A/en
Application granted granted Critical
Publication of GB2195204B publication Critical patent/GB2195204B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01N27/622—Ion mobility spectrometry
    • 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
    • G01N27/68—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 electric discharge to ionise a gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB8622590A 1986-09-19 1986-09-19 Apparatus for detecting ultra-fine particles Expired - Lifetime GB2195204B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19863631954 DE3631954A1 (en) 1986-09-19 1986-09-19 MEASURING DEVICE FOR ULTRAFINE PARTICLES
FR8613136A FR2604257B1 (en) 1986-09-19 1986-09-19 INSTRUMENT FOR MEASURING ULTRA-FINE PARTICLES
GB8622590A GB2195204B (en) 1986-09-19 1986-09-19 Apparatus for detecting ultra-fine particles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8622590A GB2195204B (en) 1986-09-19 1986-09-19 Apparatus for detecting ultra-fine particles

Publications (3)

Publication Number Publication Date
GB8622590D0 GB8622590D0 (en) 1986-10-22
GB2195204A GB2195204A (en) 1988-03-30
GB2195204B true GB2195204B (en) 1990-08-15

Family

ID=10604459

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8622590A Expired - Lifetime GB2195204B (en) 1986-09-19 1986-09-19 Apparatus for detecting ultra-fine particles

Country Status (3)

Country Link
DE (1) DE3631954A1 (en)
FR (1) FR2604257B1 (en)
GB (1) GB2195204B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3921895C2 (en) * 1989-07-04 1996-10-10 Przybilla Karl Dr Aerosol electrometer and aerosol sensor device
CA2012030A1 (en) * 1990-03-13 1991-09-13 Ludmila L. Danylewych-May Sample handling system for molecular analyser
GB2298269A (en) * 1995-02-21 1996-08-28 Gordon Gerald Gregory Radioactivity tester
WO2010049870A1 (en) 2008-10-31 2010-05-06 Koninklijke Philips Electronics N.V. Device for characterizing the evolution over time of a size distribution of electrically-charged airborne particles in an airflow

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB882977A (en) * 1957-05-07 1961-11-22 Nat Res Dev Improvements in and relating to the detection and/or analysis of low concentrations of gases and vapours
GB1503157A (en) * 1974-06-05 1978-03-08 Rca Corp Aerosol detector
EP0004124A1 (en) * 1978-03-15 1979-09-19 Pye (Electronic Products) Limited Apparatus and method for trace vapour detection
EP0007842A1 (en) * 1978-07-12 1980-02-06 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Device for the detection and localization of radiation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526828A (en) * 1967-08-07 1970-09-01 Univ Minnesota Method and apparatus for measuring particle concentration
CH536490A (en) * 1971-03-29 1973-04-30 Willy Dr Sigrist Method and device for the optical measurement of particles suspended in a gas
US3763428A (en) * 1971-11-26 1973-10-02 Varian Associates Simultaneous measurement of the size distribution of aerosol particles and the number of particles of each size in a flowing gaseous medium
US3986111A (en) * 1974-12-24 1976-10-12 The United States Of America As Represented By The Secretary Of The Navy Inverted voltage Gerdien Condenser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB882977A (en) * 1957-05-07 1961-11-22 Nat Res Dev Improvements in and relating to the detection and/or analysis of low concentrations of gases and vapours
GB1503157A (en) * 1974-06-05 1978-03-08 Rca Corp Aerosol detector
EP0004124A1 (en) * 1978-03-15 1979-09-19 Pye (Electronic Products) Limited Apparatus and method for trace vapour detection
EP0007842A1 (en) * 1978-07-12 1980-02-06 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Device for the detection and localization of radiation

Also Published As

Publication number Publication date
FR2604257A1 (en) 1988-03-25
DE3631954A1 (en) 1988-03-31
GB8622590D0 (en) 1986-10-22
FR2604257B1 (en) 1993-02-05
GB2195204A (en) 1988-03-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930919