GB2336685B - A method and device for the measurement of fixed or time varying capacitance - Google Patents

A method and device for the measurement of fixed or time varying capacitance

Info

Publication number
GB2336685B
GB2336685B GB9808258A GB9808258A GB2336685B GB 2336685 B GB2336685 B GB 2336685B GB 9808258 A GB9808258 A GB 9808258A GB 9808258 A GB9808258 A GB 9808258A GB 2336685 B GB2336685 B GB 2336685B
Authority
GB
United Kingdom
Prior art keywords
measurement
fixed
time varying
varying capacitance
capacitance
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
GB9808258A
Other versions
GB2336685A (en
GB9808258D0 (en
Inventor
Christopher Barnes
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 GB9808258A priority Critical patent/GB2336685B/en
Publication of GB9808258D0 publication Critical patent/GB9808258D0/en
Publication of GB2336685A publication Critical patent/GB2336685A/en
Application granted granted Critical
Publication of GB2336685B publication Critical patent/GB2336685B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • 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
    • G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB9808258A 1998-04-21 1998-04-21 A method and device for the measurement of fixed or time varying capacitance Expired - Fee Related GB2336685B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9808258A GB2336685B (en) 1998-04-21 1998-04-21 A method and device for the measurement of fixed or time varying capacitance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9808258A GB2336685B (en) 1998-04-21 1998-04-21 A method and device for the measurement of fixed or time varying capacitance

Publications (3)

Publication Number Publication Date
GB9808258D0 GB9808258D0 (en) 1998-06-17
GB2336685A GB2336685A (en) 1999-10-27
GB2336685B true GB2336685B (en) 2002-05-15

Family

ID=10830557

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9808258A Expired - Fee Related GB2336685B (en) 1998-04-21 1998-04-21 A method and device for the measurement of fixed or time varying capacitance

Country Status (1)

Country Link
GB (1) GB2336685B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2366384B (en) * 2000-08-30 2005-03-02 Christopher Barnes A visco-dielectric sensing method and device
GB2400669B (en) * 2003-04-17 2005-12-14 * Barnes Christopher A method and device to obtain haematological parameters and indicators by means of harnessing the dynamics of erythrocyte and other aggregation
GB2584420A (en) * 2019-05-24 2020-12-09 Univ Of Westminster Method, sensor and system for determining a dielectric property of a sample

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259632A (en) * 1977-11-18 1981-03-31 Ot-Tehdas Oy Continuous action capacitive moisture measuring apparatus
US4300093A (en) * 1979-12-03 1981-11-10 Ogasawara Hiromi Device for measuring the amount of rotation of a rotating object
US4410852A (en) * 1980-08-22 1983-10-18 Harold Guretzky Angle-position transducer
WO1993018395A1 (en) * 1992-03-10 1993-09-16 Christopher Barnes Apparatus for determining the physical and/or chemical properties of a sample, particularly of blood
US5450015A (en) * 1994-02-24 1995-09-12 Forte Technology, Inc. Apparatus for measuring impedance to determine a property of a material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259632A (en) * 1977-11-18 1981-03-31 Ot-Tehdas Oy Continuous action capacitive moisture measuring apparatus
US4300093A (en) * 1979-12-03 1981-11-10 Ogasawara Hiromi Device for measuring the amount of rotation of a rotating object
US4410852A (en) * 1980-08-22 1983-10-18 Harold Guretzky Angle-position transducer
WO1993018395A1 (en) * 1992-03-10 1993-09-16 Christopher Barnes Apparatus for determining the physical and/or chemical properties of a sample, particularly of blood
US5450015A (en) * 1994-02-24 1995-09-12 Forte Technology, Inc. Apparatus for measuring impedance to determine a property of a material

Also Published As

Publication number Publication date
GB2336685A (en) 1999-10-27
GB9808258D0 (en) 1998-06-17

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Legal Events

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

Effective date: 20050421

728V Application for restoration filed (sect. 28/1977)
728Y Application for restoration allowed (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080421