CA1333450C - High frequency oscillatory circuit - Google Patents

High frequency oscillatory circuit

Info

Publication number
CA1333450C
CA1333450C CA000585038A CA585038A CA1333450C CA 1333450 C CA1333450 C CA 1333450C CA 000585038 A CA000585038 A CA 000585038A CA 585038 A CA585038 A CA 585038A CA 1333450 C CA1333450 C CA 1333450C
Authority
CA
Canada
Prior art keywords
circuit
prongs
electrodes
web
core
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
CA000585038A
Other languages
English (en)
French (fr)
Inventor
Dierk Schroder
Norbert Hohenstein
Bernd Heck
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.)
Koerber Technologies GmbH
Original Assignee
Koerber AG
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 Koerber AG filed Critical Koerber AG
Application granted granted Critical
Publication of CA1333450C publication Critical patent/CA1333450C/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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Ceramic Capacitors (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
CA000585038A 1987-12-19 1988-12-06 High frequency oscillatory circuit Expired - Fee Related CA1333450C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3743216.8 1987-12-19
DE3743216A DE3743216C2 (de) 1987-12-19 1987-12-19 Hochfrequenzschwingkreis

Publications (1)

Publication Number Publication Date
CA1333450C true CA1333450C (en) 1994-12-13

Family

ID=6343055

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000585038A Expired - Fee Related CA1333450C (en) 1987-12-19 1988-12-06 High frequency oscillatory circuit

Country Status (6)

Country Link
JP (1) JPH01203958A (enExample)
CA (1) CA1333450C (enExample)
DE (1) DE3743216C2 (enExample)
FR (1) FR2627866A1 (enExample)
GB (1) GB2211618B (enExample)
IT (1) IT1228037B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19934881A1 (de) * 1999-07-24 2001-01-25 Deere & Co Einrichtung zur Messung der Feuchtigkeit von Erntegut
DE102004063229B4 (de) 2004-12-22 2007-06-14 Hauni Maschinenbau Ag Meßvorrichtung und -verfahren zur Erkennung von Fremdkörpern in einem Produkt, insbesondere in Tabak, Baumwolle oder einem anderen Faserprodukt
DE102004063228B4 (de) 2004-12-22 2007-06-28 Hauni Maschinenbau Ag Meßvorrichtung und -verfahren zur Bestimmung einer dielektrischen Eigenschaft, insbesondere der Feuchte und/oder Dichte, eines Produkts
WO2008111403A1 (ja) * 2007-03-15 2008-09-18 Ngk Insulators, Ltd. 粒子状物質検出装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1000472A (en) * 1962-01-29 1965-08-04 British American Tobacco Co Improvements relating to the testing of moisture content of tobacco and other loose material
GB1103275A (en) * 1964-02-05 1968-02-14 Nat Res Dev Testing the stability of suspensions in liquid media
DE2146386C3 (de) * 1971-09-16 1980-10-02 Hauni-Werke Koerber & Co Kg, 2050 Hamburg Anordnung zum Erfassen der Feuchte von Tabak o.a. rauchfähigem Gut
US3811087A (en) * 1973-05-21 1974-05-14 Rothmans Of Pall Mall Measurement of moisture content of materials
US3979581A (en) * 1974-02-26 1976-09-07 Hauni-Werke Korber & Co., Kg Method and arrangement for determining the mass of tobacco or the like by capacitance and attenuation measurements in a resonant high frequency oscillator circuit
JPS54154074A (en) * 1978-05-25 1979-12-04 Matsushita Electric Industrial Co Ltd Inductance parts
JPS57148242A (en) * 1981-03-09 1982-09-13 Nissan Motor Co Ltd Electrostatic capacity sensor
FI68730C (fi) * 1982-02-01 1985-10-10 Kajaani Oy Foerfarande och anordning foer maetning av kolhalt i flygaska
GB2125553A (en) * 1982-08-10 1984-03-07 Standard Telephones Cables Ltd Multi-purpose sensor/detector for fluid
DE3329025A1 (de) * 1983-08-11 1985-02-28 Kurt 7895 Klettgau Arnold Verfahren und einrichtung zum bestimmen des feuchtegehalts von getreide und anderen koernigen stoffen

Also Published As

Publication number Publication date
DE3743216A1 (de) 1989-06-29
IT1228037B (it) 1991-05-27
DE3743216C2 (de) 1996-12-19
JPH01203958A (ja) 1989-08-16
GB8829323D0 (en) 1989-02-01
GB2211618A (en) 1989-07-05
GB2211618B (en) 1992-07-15
FR2627866A1 (enExample) 1989-09-01
IT8822967A0 (it) 1988-12-16

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