FR2203520A5 - - Google Patents

Info

Publication number
FR2203520A5
FR2203520A5 FR7336153A FR7336153A FR2203520A5 FR 2203520 A5 FR2203520 A5 FR 2203520A5 FR 7336153 A FR7336153 A FR 7336153A FR 7336153 A FR7336153 A FR 7336153A FR 2203520 A5 FR2203520 A5 FR 2203520A5
Authority
FR
France
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
FR7336153A
Other languages
French (fr)
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.)
Vaisala Oy
Original Assignee
Vaisala Oy
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 Vaisala Oy filed Critical Vaisala Oy
Application granted granted Critical
Publication of FR2203520A5 publication Critical patent/FR2203520A5/fr
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)
FR7336153A 1972-10-12 1973-10-10 Expired FR2203520A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI283172A FI48229C (en) 1972-10-12 1972-10-12 Capacitive humidity sensor and manufacturing process for the same.

Publications (1)

Publication Number Publication Date
FR2203520A5 true FR2203520A5 (en) 1974-05-10

Family

ID=8507652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7336153A Expired FR2203520A5 (en) 1972-10-12 1973-10-10

Country Status (7)

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

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410821A1 (en) * 1977-12-02 1979-06-29 Vaisala Oy PROCESS FOR MINIMIZING THE ADVERSE PROPERTIES OF A HUMIDITY DETECTOR
DE3135748A1 (en) * 1980-09-10 1982-04-01 Vertec Industries Ltd., Vermilion, Alberta Device for measuring and controlling the moisture content of granular material
EP0094266A2 (en) * 1982-05-11 1983-11-16 Direction De La Meteorologie Du Ministere Des Transports Method of making a temperature or a moisture sensor of the thin layer type, and sensor produced
FR2538115A1 (en) * 1982-12-21 1984-06-22 Vaisala Oy HUMIDITY DETECTOR CAPACITY AND METHOD OF MANUFACTURING
FR2541771A1 (en) * 1983-02-28 1984-08-31 Krueger Theodore CHEMICAL TITRATION APPARATUS AND METHODS
FR2554237A1 (en) * 1983-10-28 1985-05-03 Endress Hauser Gmbh Co MOISTURE SENSOR AND METHOD FOR MANUFACTURING SAME
EP0058102B1 (en) * 1981-01-19 1986-01-02 Commissariat à l'Energie Atomique Method of making a capacitance humidity sensor with a thin dielectric
EP0426989A1 (en) * 1989-11-04 1991-05-15 Dornier Gmbh Selective gas sensor
FR2685963A1 (en) * 1991-12-20 1993-07-09 Coed Sa Device for measuring the equilibrium relative humidity of a product, especially a food product

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2848034A1 (en) * 1978-11-06 1980-05-14 Siemens Ag CAPACITIVE HUMIDITY SENSOR
JPS58195864U (en) * 1982-06-23 1983-12-26 宝工業株式会社 Capacitive humidity sensor
AU577265B2 (en) * 1982-10-05 1988-09-22 Fibre Containers Ltd. Manufacture of corrugated fibreboard
JPS61277045A (en) * 1985-05-31 1986-12-08 Chino Corp Humidity element
CA1273822A (en) * 1985-06-03 1990-09-11 Katsutoshi Rokuta Water content detecting device for diaper
DE8707954U1 (en) * 1987-06-04 1988-10-06 Kohler, Hans-Michael, 8022 Zürich Capacitive sensor
FI96640C (en) * 1993-08-23 1996-07-25 Vaisala Oy Method for measuring relative humidity, especially in radiosondes
FI98567C (en) * 1993-09-29 1997-07-10 Vaisala Oy Impedance sensor, especially for radio probe use, as well as a method for producing a sensor
FI95626C (en) * 1993-09-29 1996-02-26 Vaisala Oy Procedure and arrangement for measuring humidity, especially in radio probes
EP0745842A1 (en) 1995-06-02 1996-12-04 Staefa Control System Scs Ag Humidity sensor
CZ201185A3 (en) * 2011-02-16 2011-10-05 Výzkumný ústav Silva Taroucy pro krajinu a okrasné zahradnictví, v. v. i. Plant tissue sampler

Citations (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
US3168829A (en) * 1961-10-05 1965-02-09 Honeywell Inc Control apparatus
US3247478A (en) * 1961-03-20 1966-04-19 Aerological Res Inc Electrical hygrometer
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
US3559456A (en) * 1966-05-03 1971-02-02 Hoechst Ag Sensor for measuring humidity
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

Family Cites Families (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

Patent Citations (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
US3559456A (en) * 1966-05-03 1971-02-02 Hoechst Ag Sensor for measuring humidity
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

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410821A1 (en) * 1977-12-02 1979-06-29 Vaisala Oy PROCESS FOR MINIMIZING THE ADVERSE PROPERTIES OF A HUMIDITY DETECTOR
DE3135748A1 (en) * 1980-09-10 1982-04-01 Vertec Industries Ltd., Vermilion, Alberta Device for measuring and controlling the moisture content of granular material
EP0058102B1 (en) * 1981-01-19 1986-01-02 Commissariat à l'Energie Atomique Method of making a capacitance humidity sensor with a thin dielectric
EP0094266A2 (en) * 1982-05-11 1983-11-16 Direction De La Meteorologie Du Ministere Des Transports Method of making a temperature or a moisture sensor of the thin layer type, and sensor produced
FR2526949A1 (en) * 1982-05-11 1983-11-18 Ministere Transports Direct Me METHOD FOR MANUFACTURING THIN FILM TYPE TEMPERATURE OR MOISTURE SENSOR AND SENSORS OBTAINED
EP0094266A3 (en) * 1982-05-11 1988-07-27 Mini Transport Meteorolog Method of making a temperature or a moisture sensor of the thin layer type, and sensor produced
FR2538115A1 (en) * 1982-12-21 1984-06-22 Vaisala Oy HUMIDITY DETECTOR CAPACITY AND METHOD OF MANUFACTURING
FR2541771A1 (en) * 1983-02-28 1984-08-31 Krueger Theodore CHEMICAL TITRATION APPARATUS AND METHODS
FR2554237A1 (en) * 1983-10-28 1985-05-03 Endress Hauser Gmbh Co MOISTURE SENSOR AND METHOD FOR MANUFACTURING SAME
EP0426989A1 (en) * 1989-11-04 1991-05-15 Dornier Gmbh Selective gas sensor
FR2685963A1 (en) * 1991-12-20 1993-07-09 Coed Sa Device for measuring the equilibrium relative humidity of a product, especially a food product
EP0558862A1 (en) * 1991-12-20 1993-09-08 Coed S.A. Method and apparatus for measuring the relative moisture of equilibrium of a product

Also Published As

Publication number Publication date
DE2350881B2 (en) 1976-07-15
BR7307924D0 (en) 1974-07-11
FI48229C (en) 1974-07-10
DE2365826C3 (en) 1978-11-30
DE2365826B2 (en) 1977-07-21
CH559365A5 (en) 1975-02-28
JPS573905B2 (en) 1982-01-23
DE2365826A1 (en) 1976-08-26
JPS4974588A (en) 1974-07-18
FI48229B (en) 1974-04-01
GB1418388A (en) 1975-12-17
DE2350881A1 (en) 1974-05-02

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights