GB2211618B - High frequency oscillatory circuit device - Google Patents

High frequency oscillatory circuit device

Info

Publication number
GB2211618B
GB2211618B GB8829323A GB8829323A GB2211618B GB 2211618 B GB2211618 B GB 2211618B GB 8829323 A GB8829323 A GB 8829323A GB 8829323 A GB8829323 A GB 8829323A GB 2211618 B GB2211618 B GB 2211618B
Authority
GB
United Kingdom
Prior art keywords
high frequency
circuit device
oscillatory circuit
frequency oscillatory
oscillatory
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
Application number
GB8829323A
Other versions
GB8829323D0 (en
GB2211618A (en
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 AG
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
Publication of GB8829323D0 publication Critical patent/GB8829323D0/en
Publication of GB2211618A publication Critical patent/GB2211618A/en
Application granted granted Critical
Publication of GB2211618B publication Critical patent/GB2211618B/en
Expired 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Ceramic Capacitors (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
GB8829323A 1987-12-19 1988-12-16 High frequency oscillatory circuit device Expired GB2211618B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3743216A DE3743216C2 (en) 1987-12-19 1987-12-19 High frequency resonant circuit

Publications (3)

Publication Number Publication Date
GB8829323D0 GB8829323D0 (en) 1989-02-01
GB2211618A GB2211618A (en) 1989-07-05
GB2211618B true GB2211618B (en) 1992-07-15

Family

ID=6343055

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8829323A Expired GB2211618B (en) 1987-12-19 1988-12-16 High frequency oscillatory circuit device

Country Status (6)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19934881A1 (en) * 1999-07-24 2001-01-25 Deere & Co Device for measuring the moisture of crops
DE102004063228B4 (en) * 2004-12-22 2007-06-28 Hauni Maschinenbau Ag Measuring device and method for determining a dielectric property, in particular the humidity and / or density, of a product
DE102004063229B4 (en) 2004-12-22 2007-06-14 Hauni Maschinenbau Ag Measuring device and method for detecting foreign bodies in a product, in particular in tobacco, cotton or another fiber product
KR20100014456A (en) 2007-03-15 2010-02-10 니뽄 가이시 가부시키가이샤 Particulate material detecting apparatus

Citations (5)

* 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
US3811087A (en) * 1973-05-21 1974-05-14 Rothmans Of Pall Mall Measurement of moisture content of materials
GB2115933A (en) * 1982-02-01 1983-09-14 Kajaani Oy Procedure and means for measuring the coal content in quick ash
GB2125553A (en) * 1982-08-10 1984-03-07 Standard Telephones Cables Ltd Multi-purpose sensor/detector for fluid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2146386C3 (en) * 1971-09-16 1980-10-02 Hauni-Werke Koerber & Co Kg, 2050 Hamburg Arrangement for recording the moisture of tobacco or other smokable goods
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 Ind Co Ltd Inductance parts
JPS57148242A (en) * 1981-03-09 1982-09-13 Nissan Motor Co Ltd Electrostatic capacity sensor
DE3329025A1 (en) * 1983-08-11 1985-02-28 Kurt 7895 Klettgau Arnold Method and apparatus for determining the moisture content of cereal and other granular materials

Patent Citations (5)

* 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
US3811087A (en) * 1973-05-21 1974-05-14 Rothmans Of Pall Mall Measurement of moisture content of materials
GB2115933A (en) * 1982-02-01 1983-09-14 Kajaani Oy Procedure and means for measuring the coal content in quick ash
GB2125553A (en) * 1982-08-10 1984-03-07 Standard Telephones Cables Ltd Multi-purpose sensor/detector for fluid

Also Published As

Publication number Publication date
IT8822967A0 (en) 1988-12-16
CA1333450C (en) 1994-12-13
FR2627866A1 (en) 1989-09-01
DE3743216A1 (en) 1989-06-29
GB8829323D0 (en) 1989-02-01
IT1228037B (en) 1991-05-27
DE3743216C2 (en) 1996-12-19
JPH01203958A (en) 1989-08-16
GB2211618A (en) 1989-07-05

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20001216