BE567800A - - Google Patents

Info

Publication number
BE567800A
BE567800A BE567800DA BE567800A BE 567800 A BE567800 A BE 567800A BE 567800D A BE567800D A BE 567800DA BE 567800 A BE567800 A BE 567800A
Authority
BE
Belgium
Application number
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.)
Publication of BE567800A publication Critical patent/BE567800A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/08—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means
    • 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

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Electrochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
BE567800D 1957-10-21 BE567800A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US691269A US3012193A (en) 1957-10-21 1957-10-21 Apparatus and method for measuring capacitivity of a material

Publications (1)

Publication Number Publication Date
BE567800A true BE567800A (de)

Family

ID=24775840

Family Applications (1)

Application Number Title Priority Date Filing Date
BE567800D BE567800A (de) 1957-10-21

Country Status (5)

Country Link
US (1) US3012193A (de)
BE (1) BE567800A (de)
CH (2) CH378074A (de)
FR (1) FR1206150A (de)
GB (2) GB882985A (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS412966B1 (de) * 1938-03-01 1966-02-23
US3182255A (en) * 1960-02-11 1965-05-04 Hopkins Mfg Corp Instrument for capacitively testing the condition of lubricating oil
US3215900A (en) * 1961-08-25 1965-11-02 Fisher Governor Co Fluid monitoring system
US3286172A (en) * 1962-12-31 1966-11-15 James B Romans Apparatus for determining the dielectric constant of liquids having a diskshaped electrode lying above the surface of its supporting member
US3488758A (en) * 1966-09-14 1970-01-06 Kingsbury Technology Inc Apparatus for measuring a property of a material while processing it between movable members containing electrodes coupled to an oscillatory circuit
US3584579A (en) * 1968-12-03 1971-06-15 Harris Intertype Corp Sensing probe and control for press inker embodying same
US3739266A (en) * 1970-11-18 1973-06-12 Hardwicke Etter Co System for sensing variations in the dielectric constant of a flow of material
DE2158320B2 (de) * 1971-11-24 1980-04-10 Ferdy Dr. Grenoble Mayer (Frankreich) Vorrichtung zur berührungsfreien relativen Abstandsmessung
AT377361B (de) * 1972-12-21 1985-03-11 Oesterr Forsch Seibersdorf Vorrichtung zur beruehrungslosen feststellung von fluessigen beschichtungen
JPS5233558A (en) * 1975-09-10 1977-03-14 Hiromi Ogasawara Detector for minute variations
FR2386811A1 (fr) * 1977-04-06 1978-11-03 Elf Aquitaine Detecteur de niveau de separation entre deux liquides
US4287470A (en) * 1979-02-12 1981-09-01 Mem Muszaki Intezet Digital humidimeter
US4433286A (en) * 1979-04-09 1984-02-21 Georgetown University Identification of materials using their complex dielectric response
FI70753C (fi) * 1984-05-31 1987-01-07 Vaisala Oy Foerfarande foer maetning av kapacitanser, speciellt smao kapacitanser.
US5808198A (en) * 1997-05-19 1998-09-15 The Charles Stark Draper Laboratory, Inc. RF balanced capacitive vibration sensor system
US6144303A (en) * 1999-02-01 2000-11-07 Exi Wireless Systems, Inc. Tag and system for patient safety monitoring
US6496019B1 (en) * 2000-08-18 2002-12-17 Setra Systems, Inc. Temperature compensated pressure sensor network
US20040194541A1 (en) * 2002-06-10 2004-10-07 The Procter & Gamble Company High-Q LC circuit moisture sensor
IT1393473B1 (it) * 2009-03-10 2012-04-20 Microtec Srl Metodo di taratura per apparecchiature per la determinazione del grado di umidità di prodotti sulla base di misure capacitive, e dispositivo per la simulazione delle proprietà dielettriche di prodotti, quali legname, da utilizzare in tale metodo.

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1686365A (en) * 1921-03-21 1928-10-02 Arman E Becker Testing apparatus and method of using same
US1855569A (en) * 1926-07-09 1932-04-26 Chireix Henri High speed telegraph transmitter
US2021760A (en) * 1932-01-13 1935-11-19 Gen Electric Moisture indicator
GB396098A (en) * 1932-01-29 1933-07-31 Charles Herbert William Long Apparatus for determining the moisture content of flour, corn, beet pulp, tobacco and other moisture containing substances
US2043241A (en) * 1932-12-09 1936-06-09 Benjamin F Eyer Apparatus for determining the moisture content of a material
US1999319A (en) * 1933-02-03 1935-04-30 Dowling John Joseph Means for filling receptacles or the like with plastic, granular, or pulverulent materials
US2222221A (en) * 1937-10-14 1940-11-19 Robert K Burford Method and apparatus for testing steel strip thickness
US2266114A (en) * 1938-11-02 1941-12-16 Rosenberg Bros & Co Moisture determining apparatus
US2307316A (en) * 1941-02-13 1943-01-05 Rca Corp Frequency meter
US2403557A (en) * 1941-02-27 1946-07-09 Rca Corp Frequency determining device
DE899618C (de) * 1941-10-17 1953-12-14 Hans Lange Dr Ing Anordnung zur selbsttaetigen Regelung der Wasserzugabe entsprechend der Eigenfeuchtigkeit der Zuschlagstoffe bei der Betonaufbereitung
US2324077A (en) * 1941-12-27 1943-07-13 Rca Corp Measuring circuit
US2403615A (en) * 1942-11-30 1946-07-09 Rca Corp Frequency responsive circuit
US2472784A (en) * 1943-09-08 1949-06-14 Walter C Barnes Method and apparatus for detecting flaws
US2511233A (en) * 1945-12-08 1950-06-13 Clarence A Anderson Detection device
US2516768A (en) * 1946-04-29 1950-07-25 Zellweger Uster Ag Apparatus for gauging textiles, particularly yarns and sliver
US2593766A (en) * 1947-04-26 1952-04-22 Patterson Co C Apparatus for testing materials
GB687472A (en) * 1947-09-09 1953-02-18 Lyons & Co Ltd J Improvements in and relating to instruments for indicating or measuring the moisture content of materials
US2571439A (en) * 1950-03-10 1951-10-16 Floyd M Glass System for determining tube characteristics
US2617855A (en) * 1950-11-10 1952-11-11 Bell Telephone Labor Inc Automatic measurement of transmission characteristics
US2774940A (en) * 1951-04-17 1956-12-18 Inst Textile Tech Automatic evaluator
US2604513A (en) * 1951-07-25 1952-07-22 Brush Dev Co Capacitive measuring head
US2750500A (en) * 1951-09-06 1956-06-12 Aiken William Ross Linear pulse integrator
US2752566A (en) * 1952-01-05 1956-06-26 Richard W Wells Methods and means for indicating contamination of lubricating oil
FR1063150A (fr) * 1952-06-09 1954-04-29 Conte Dispositif conducteur à résistance électrique variable
US2737469A (en) * 1953-04-13 1956-03-06 Exxon Research Engineering Co Control of solvent extraction
US2722657A (en) * 1953-07-03 1955-11-01 Perforating Guns Atlas Corp Means for detecting changes in dielectric constant of thin strata of lithological formations traversed by a borehole
US2768629A (en) * 1953-09-24 1956-10-30 American Mach & Foundry Moisture measuring method and apparatus

Also Published As

Publication number Publication date
GB882985A (en) 1961-11-22
US3012193A (en) 1961-12-05
GB882984A (en) 1961-11-22
CH365562A (de) 1962-11-15
CH378074A (de) 1964-05-31
FR1206150A (fr) 1960-02-08

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