JPS573905B2 - - Google Patents

Info

Publication number
JPS573905B2
JPS573905B2 JP11404973A JP11404973A JPS573905B2 JP S573905 B2 JPS573905 B2 JP S573905B2 JP 11404973 A JP11404973 A JP 11404973A JP 11404973 A JP11404973 A JP 11404973A JP S573905 B2 JPS573905 B2 JP S573905B2
Authority
JP
Japan
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
JP11404973A
Other versions
JPS4974588A (ja
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 filed Critical
Publication of JPS4974588A publication Critical patent/JPS4974588A/ja
Publication of JPS573905B2 publication Critical patent/JPS573905B2/ja
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
    • G01N27/225—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 by using hygroscopic materials

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)
JP11404973A 1972-10-12 1973-10-12 Expired JPS573905B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI283172A FI48229C (fi) 1972-10-12 1972-10-12 Kapasitiivinen kosteusanturi ja sen valmistumenetelmä.

Publications (2)

Publication Number Publication Date
JPS4974588A JPS4974588A (ja) 1974-07-18
JPS573905B2 true JPS573905B2 (ja) 1982-01-23

Family

ID=8507652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11404973A Expired JPS573905B2 (ja) 1972-10-12 1973-10-12

Country Status (7)

Country Link
JP (1) JPS573905B2 (ja)
BR (1) BR7307924D0 (ja)
CH (1) CH559365A5 (ja)
DE (1) DE2365826C3 (ja)
FI (1) FI48229C (ja)
FR (1) FR2203520A5 (ja)
GB (1) GB1418388A (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI58402C (fi) * 1977-12-02 1981-01-12 Vaisala Oy Foerfarande foer nedsaettning av icke oenskvaerda egenskaper hos en elektrisk fuktighetsgivare
DE2848034A1 (de) * 1978-11-06 1980-05-14 Siemens Ag Kapazitiver feuchtefuehler
CA1183586A (en) * 1980-09-10 1985-03-05 Vertec Industries Ltd. Apparatus for sensing and controlling moisture content of granular materials
FR2498329A1 (fr) * 1981-01-19 1982-07-23 Commissariat Energie Atomique Hygrometre capacitif a dielectrique mince et son procede de fabrication
FR2526949B1 (fr) * 1982-05-11 1989-05-12 Ministere Transports Direct Me Procede de fabrication d'un capteur de temperature ou d'humidite du type a couches minces et capteurs obtenus
JPS58195864U (ja) * 1982-06-23 1983-12-26 宝工業株式会社 電気容量型湿度センサ
DE3375557D1 (en) * 1982-10-05 1988-03-10 Fibre Containers Manufacture of corrugated fibreboard
FI65674C (fi) * 1982-12-21 1984-06-11 Vaisala Oy Kapacitiv fuktighetsgivare och foerfarande foer framstaellningdaerav
GB2136130B (en) * 1983-02-28 1987-02-11 Theodore Henry Krueger Chemical assay systems and methods
DE3339276A1 (de) * 1983-10-28 1985-05-09 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Kapazitiver feuchtefuehler und verfahren zu seiner herstellung
JPS61277045A (ja) * 1985-05-31 1986-12-08 Chino Corp 湿度素子
CA1273822A (en) * 1985-06-03 1990-09-11 Katsutoshi Rokuta Water content detecting device for diaper
DE8707954U1 (de) * 1987-06-04 1988-10-06 Kohler, Hans-Michael, 8022 Zürich Kapazitiver Messwertaufnehmer
EP0426989B1 (de) * 1989-11-04 1994-02-02 Dornier Gmbh Selektiver Gassensor
FR2685963A1 (fr) * 1991-12-20 1993-07-09 Coed Sa Dispositif de mesure de l'humidite relative d'equilibre d'un produit, notamment d'un produit alimentaire.
FI96640C (fi) * 1993-08-23 1996-07-25 Vaisala Oy Menetelmä suhteellisen kosteuden mittaamiseksi, etenkin radiosondeissa
FI98567C (fi) * 1993-09-29 1997-07-10 Vaisala Oy Impedanssianturi, etenkin radiosondikäyttöön, sekä menetelmä anturin valmistamiseksi
FI95626C (fi) * 1993-09-29 1996-02-26 Vaisala Oy Menetelmä ja järjestely kosteuden mittauksessa, etenkin radiosondeissa
EP0745842A1 (de) 1995-06-02 1996-12-04 Staefa Control System Scs Ag Feuchtefühler
CZ201185A3 (cs) * 2011-02-16 2011-10-05 Výzkumný ústav Silva Taroucy pro krajinu a okrasné zahradnictví, v. v. i. Vzorkovac rostlinných pletiv

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350941A (en) * 1965-05-20 1967-11-07 Johnson Service Co Humidity sensing element
US3636444A (en) * 1970-01-30 1972-01-18 Johnson Service Co Apparatus for measuring small changes in condition-sensitive capacitance transducers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077774A (en) * 1957-02-18 1963-02-19 Energy Kontrols Inc Humidity indicating device
US3247478A (en) * 1961-03-20 1966-04-19 Aerological Res Inc Electrical hygrometer
US3168829A (en) * 1961-10-05 1965-02-09 Honeywell Inc Control apparatus
US3255324A (en) * 1962-05-28 1966-06-07 Energy Conversion Devices Inc Moisture responsive resistance device
US3453143A (en) * 1965-10-13 1969-07-01 Singer General Precision Method of making a moisture sensitive capacitor
DE1598446A1 (de) * 1966-05-03 1969-06-26 Hoechst Ag Feuchtigkeitsmessfuehler
US3582728A (en) * 1969-03-06 1971-06-01 Johnson Service Co Capacitance humidity sensing element
US3671913A (en) * 1969-03-19 1972-06-20 Saginomiya Seisakusho Inc Aging-proof humidity sensing element and method for the production thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350941A (en) * 1965-05-20 1967-11-07 Johnson Service Co Humidity sensing element
US3636444A (en) * 1970-01-30 1972-01-18 Johnson Service Co Apparatus for measuring small changes in condition-sensitive capacitance transducers

Also Published As

Publication number Publication date
BR7307924D0 (pt) 1974-07-11
JPS4974588A (ja) 1974-07-18
FI48229C (fi) 1974-07-10
DE2350881A1 (de) 1974-05-02
CH559365A5 (ja) 1975-02-28
DE2350881B2 (de) 1976-07-15
DE2365826C3 (de) 1978-11-30
GB1418388A (en) 1975-12-17
FI48229B (ja) 1974-04-01
DE2365826A1 (de) 1976-08-26
DE2365826B2 (de) 1977-07-21
FR2203520A5 (ja) 1974-05-10

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