GB2382216B - Electrical discharge circuits - Google Patents

Electrical discharge circuits

Info

Publication number
GB2382216B
GB2382216B GB0216906A GB0216906A GB2382216B GB 2382216 B GB2382216 B GB 2382216B GB 0216906 A GB0216906 A GB 0216906A GB 0216906 A GB0216906 A GB 0216906A GB 2382216 B GB2382216 B GB 2382216B
Authority
GB
United Kingdom
Prior art keywords
electrical discharge
discharge circuits
circuits
electrical
discharge
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 - Fee Related
Application number
GB0216906A
Other languages
English (en)
Other versions
GB0216906D0 (en
GB2382216A (en
Inventor
Mahmoud Abdel-Rahman
Robert P Rhodes
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.)
Agilent Technologies Inc
Original Assignee
Agilent Technologies Inc
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 Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of GB0216906D0 publication Critical patent/GB0216906D0/en
Publication of GB2382216A publication Critical patent/GB2382216A/en
Application granted granted Critical
Publication of GB2382216B publication Critical patent/GB2382216B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N27/68—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
    • G01N27/70—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 and measuring current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/62—Detectors specially adapted therefor
    • G01N30/64—Electrical detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/62—Detectors specially adapted therefor
    • G01N30/64—Electrical detectors
    • G01N2030/642—Electrical detectors photoionisation detectors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB0216906A 2001-07-24 2002-07-19 Electrical discharge circuits Expired - Fee Related GB2382216B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/910,731 US6781384B2 (en) 2001-07-24 2001-07-24 Enhancing the stability of electrical discharges

Publications (3)

Publication Number Publication Date
GB0216906D0 GB0216906D0 (en) 2002-08-28
GB2382216A GB2382216A (en) 2003-05-21
GB2382216B true GB2382216B (en) 2005-09-21

Family

ID=25429253

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0216906A Expired - Fee Related GB2382216B (en) 2001-07-24 2002-07-19 Electrical discharge circuits

Country Status (4)

Country Link
US (1) US6781384B2 (enExample)
JP (1) JP2003109533A (enExample)
DE (1) DE10229430A1 (enExample)
GB (1) GB2382216B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016097730A1 (en) * 2014-12-16 2016-06-23 John Wood A power coupler
US8461844B2 (en) * 2009-10-02 2013-06-11 Woodward, Inc. Self charging ion sensing coil

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742475A (en) * 1971-03-16 1973-06-26 Tif Instr Inc Gaseous impurity detector employing corona discharge phenomenon
DD152883A1 (de) * 1980-08-25 1981-12-09 Wolfram Kreiss Anordnung zum elektrischen anschmelzen von kugeln an anschlussdraehten
US4446560A (en) * 1980-12-19 1984-05-01 Jean Frager High power electric generator, especially adapted for powering processes involving discharge in a rarified atmosphere
JPS60114747A (ja) * 1983-11-25 1985-06-21 Shimadzu Corp 発光分光分析用火花放電回路
JPS60114746A (ja) * 1983-11-25 1985-06-21 Shimadzu Corp 発光分光分析用火花放電回路
US4629992A (en) * 1982-06-17 1986-12-16 P.G.E.P. Professional General Electronic Products Device for detecting the ionization level of a gas mixture controlled by electric arc
US4698586A (en) * 1984-03-26 1987-10-06 Pgep Professional General Electric Corp. Electric particle detector for the detection of fire

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781838A (en) * 1972-03-16 1973-12-25 Dev Technology Inc Products of combustion detector
US4090308A (en) * 1975-08-04 1978-05-23 Aero-Dyne Manufacturing, Inc. Method and apparatus for signalling concentration of air conveyed ionizable foreign matter
FR2350689A1 (fr) * 1976-05-03 1977-12-02 Commissariat Energie Atomique Procede et dispositifs d'analyser par spectrographie de masse a etincelles
JPS5440369A (en) * 1977-09-05 1979-03-29 Senichi Masuda Particle charging device
DE3321007A1 (de) 1983-06-10 1984-12-13 Basf Ag, 6700 Ludwigshafen Substituierte 4,5-dimethoxypyridazone, verfahren zu ihrer herstellung, diese enthaltende herbizide und ihre verwendung zur bekaempfung unerwuenschten pflanzenwuchses als herbizide
US4975648A (en) * 1989-07-24 1990-12-04 Gow-Mac Instrument Co. Discharge ionization detector
KR920017511A (ko) * 1991-02-28 1992-09-26 빈센트 죠셉 로너 집적된 스피커폰 회로 및 스피커폰용 직렬 포트 인터페이스
US5153519A (en) 1991-02-28 1992-10-06 Wentworth Wayne E High voltage spark excitation and ionization detector system
AU1557295A (en) * 1994-01-03 1995-08-01 Valco Instruments Co. Inc. Improved pulsed discharge systems
JPH08226370A (ja) * 1994-12-02 1996-09-03 Ngk Spark Plug Co Ltd 内燃機関の燃焼状態検出装置
DE19605803A1 (de) * 1996-02-16 1997-08-21 Daug Deutsche Automobilgesells Schaltungsanordnung zur Ionenstrommessung
US6029627A (en) * 1997-02-20 2000-02-29 Adrenaline Research, Inc. Apparatus and method for controlling air/fuel ratio using ionization measurements
JP3101234B2 (ja) * 1997-08-01 2000-10-23 株式会社デンソー 内燃機関のイオン電流検出装置
US5889404A (en) * 1997-08-29 1999-03-30 Hewlett-Packard Company Discharge ionization detector having efficient transfer of metastables for ionization of sample molecules
US6037179A (en) * 1998-04-30 2000-03-14 Hewlett-Packard Company Method and apparatus for suppression of analyte diffusion in an ionization detector
US6333632B1 (en) 1999-09-16 2001-12-25 Rae Systems, Inc. Alternating current discharge ionization detector
JP2001099814A (ja) * 1999-09-30 2001-04-13 Toshiba Corp ガス監視装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742475A (en) * 1971-03-16 1973-06-26 Tif Instr Inc Gaseous impurity detector employing corona discharge phenomenon
DD152883A1 (de) * 1980-08-25 1981-12-09 Wolfram Kreiss Anordnung zum elektrischen anschmelzen von kugeln an anschlussdraehten
US4446560A (en) * 1980-12-19 1984-05-01 Jean Frager High power electric generator, especially adapted for powering processes involving discharge in a rarified atmosphere
US4629992A (en) * 1982-06-17 1986-12-16 P.G.E.P. Professional General Electronic Products Device for detecting the ionization level of a gas mixture controlled by electric arc
JPS60114747A (ja) * 1983-11-25 1985-06-21 Shimadzu Corp 発光分光分析用火花放電回路
JPS60114746A (ja) * 1983-11-25 1985-06-21 Shimadzu Corp 発光分光分析用火花放電回路
US4698586A (en) * 1984-03-26 1987-10-06 Pgep Professional General Electric Corp. Electric particle detector for the detection of fire

Also Published As

Publication number Publication date
GB0216906D0 (en) 2002-08-28
DE10229430A1 (de) 2003-02-13
JP2003109533A (ja) 2003-04-11
US6781384B2 (en) 2004-08-24
US20030020481A1 (en) 2003-01-30
GB2382216A (en) 2003-05-21

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Legal Events

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

Effective date: 20070719