DE3678496D1 - Vorrichtung zur messung der elektrischen leitfaehigkeit eines gegenstandes. - Google Patents

Vorrichtung zur messung der elektrischen leitfaehigkeit eines gegenstandes.

Info

Publication number
DE3678496D1
DE3678496D1 DE8686300013T DE3678496T DE3678496D1 DE 3678496 D1 DE3678496 D1 DE 3678496D1 DE 8686300013 T DE8686300013 T DE 8686300013T DE 3678496 T DE3678496 T DE 3678496T DE 3678496 D1 DE3678496 D1 DE 3678496D1
Authority
DE
Germany
Prior art keywords
measuring
electrical conductivity
conductivity
electrical
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
DE8686300013T
Other languages
English (en)
Inventor
Robert C Funk
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.)
CONDUCTIVITY DIAGNOSTICS RESEA
Original Assignee
CONDUCTIVITY DIAGNOSTICS RESEA
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 CONDUCTIVITY DIAGNOSTICS RESEA filed Critical CONDUCTIVITY DIAGNOSTICS RESEA
Application granted granted Critical
Publication of DE3678496D1 publication Critical patent/DE3678496D1/de
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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
DE8686300013T 1985-01-07 1986-01-03 Vorrichtung zur messung der elektrischen leitfaehigkeit eines gegenstandes. Expired - Fee Related DE3678496D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/689,597 US4727330A (en) 1985-01-07 1985-01-07 Method and apparatus for measuring the electrical conductivity of a subject

Publications (1)

Publication Number Publication Date
DE3678496D1 true DE3678496D1 (de) 1991-05-08

Family

ID=24769131

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686300013T Expired - Fee Related DE3678496D1 (de) 1985-01-07 1986-01-03 Vorrichtung zur messung der elektrischen leitfaehigkeit eines gegenstandes.

Country Status (5)

Country Link
US (1) US4727330A (de)
EP (1) EP0206440B1 (de)
JP (1) JP2544908B2 (de)
CA (1) CA1245722A (de)
DE (1) DE3678496D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864282A (en) * 1986-10-21 1989-09-05 Sasson Toeg Method and apparatus for detecting or measuring the presence of humans or biological organism
US5167160A (en) * 1991-06-05 1992-12-01 Agmed, Inc. Positioning device for presenting samples for electromagnetic analysis
CA2095398C (en) * 1993-05-03 2001-06-12 Kalyan Ghosh System for detecting human presence in hazardous situations
DE4433104C1 (de) * 1994-09-16 1996-05-02 Fraunhofer Ges Forschung Einrichtung zur Messung mechanischer Eigenschaften von biologischem Gewebe
US5691640A (en) * 1995-11-17 1997-11-25 Ramsey Technology, Inc. Forced balance metal detector
US6343140B1 (en) 1998-09-11 2002-01-29 Quid Technologies Llc Method and apparatus for shooting using biometric recognition
US6507662B1 (en) 1998-09-11 2003-01-14 Quid Technologies Llc Method and system for biometric recognition based on electric and/or magnetic properties
US6300736B1 (en) * 1999-04-09 2001-10-09 Melexis Nv Low pin count DC-motor integrated drive circuit
US6228404B1 (en) 2000-02-11 2001-05-08 Excel Corporation Method and apparatus for determining the lean content of meat products
US6380790B1 (en) * 2000-02-11 2002-04-30 President And Fellows Of Harvard College Integrator topplogy for continuous integration
US8207748B2 (en) * 2004-08-11 2012-06-26 Lehighton Electronics, Inc. Device and handling system for measurement of mobility and sheet charge density
JP5795139B2 (ja) * 2005-11-14 2015-10-14 リハイトン エレクトロニクス シート伝導度／シート抵抗測定システム
US8725245B2 (en) 2006-08-14 2014-05-13 Kimberly-Clark Worldwide, Inc. Resonant coil for measuring specimen condition
CN102681570A (zh) * 2011-03-18 2012-09-19 鸿富锦精密工业（深圳）有限公司 饮水机控制电路及控制方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA637973A (en) * 1962-03-13 M. Irwin Emmett Induced flux method and apparatus for testing metals
CH419670A (de) * 1965-01-22 1966-08-31 Lonza Werke Elektro Chemische Verfahren zur Untersuschung nichtmagnetischer Stoffe
US3478263A (en) * 1967-09-27 1969-11-11 Rudolf G Hentschel Wide frequency range eddy current testing instrument
US3676772A (en) * 1970-08-18 1972-07-11 Nasa Metallic intrusion detector system
US3735247A (en) * 1971-10-04 1973-05-22 Emme Comp Method and apparatus for measuring fat content in animal tissue either in vivo or in slaughtered and prepared form
FR2195021B1 (de) * 1972-08-03 1976-01-23 Commissariat A En Atomique Fr
GB2004374A (en) * 1977-09-19 1979-03-28 Smiths Industries Ltd Apparatus for detecting the presence of discontinuities in the flow of fluid flow-lines
US4411270A (en) * 1978-11-20 1983-10-25 Damadian Raymond V Apparatus and method for nuclear magnetic resonance scanning and mapping
GB2055206B (en) * 1979-07-31 1983-11-16 Yeda Res & Dev Detection of tumors
US4493039A (en) * 1980-05-06 1985-01-08 President And Directors Of Georgetown University Apparatus and method for image reproduction of materials using their magnetic and electric properties
US4450405A (en) * 1980-07-14 1984-05-22 The Boeing Company Alloy testing apparatus using eddy current conductivity probe
US4496907A (en) * 1982-05-06 1985-01-29 Dickey-John Corporation Method and apparatus for non-destructively determining ingredients of a sample
GB2140564B (en) * 1983-05-23 1986-10-22 Central Electr Generat Board Cable corrosion monitor

Also Published As

Publication number Publication date
US4727330A (en) 1988-02-23
JPS61173144A (ja) 1986-08-04
CA1245722A (en) 1988-11-29
JP2544908B2 (ja) 1996-10-16
EP0206440B1 (de) 1991-04-03
EP0206440A3 (en) 1987-10-14
EP0206440A2 (de) 1986-12-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee