JPS5559333A - Humidity detector - Google Patents

Humidity detector

Info

Publication number
JPS5559333A
JPS5559333A JP12669879A JP12669879A JPS5559333A JP S5559333 A JPS5559333 A JP S5559333A JP 12669879 A JP12669879 A JP 12669879A JP 12669879 A JP12669879 A JP 12669879A JP S5559333 A JPS5559333 A JP S5559333A
Authority
JP
Japan
Prior art keywords
humidity detector
humidity
detector
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.)
Pending
Application number
JP12669879A
Other languages
English (en)
Inventor
Uisuroujiru Uorutaa
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.)
Canadian Patents and Development Ltd
Original Assignee
Canadian Patents and Development Ltd
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 Canadian Patents and Development Ltd filed Critical Canadian Patents and Development Ltd
Publication of JPS5559333A publication Critical patent/JPS5559333A/ja
Pending 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
    • G01R27/04—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/04—Investigating moisture content

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP12669879A 1978-10-02 1979-10-01 Humidity detector Pending JPS5559333A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/947,889 US4193027A (en) 1978-10-02 1978-10-02 Microwave moisture-profile gauge

Publications (1)

Publication Number Publication Date
JPS5559333A true JPS5559333A (en) 1980-05-02

Family

ID=25486953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12669879A Pending JPS5559333A (en) 1978-10-02 1979-10-01 Humidity detector

Country Status (6)

Country Link
US (1) US4193027A (ja)
JP (1) JPS5559333A (ja)
CA (1) CA1124326A (ja)
DE (1) DE2939554A1 (ja)
FI (1) FI792964A7 (ja)
GB (1) GB2033090B (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789820A (en) * 1986-01-08 1988-12-06 Hercules Incorporated Apparatus and method for sensing multiple parameters of sheet material
US4812739A (en) * 1986-09-15 1989-03-14 Swanson Claude V Apparatus and method for using microwave radiation to measure water content of a fluid
EP0487582B1 (en) * 1989-08-15 2000-05-03 Commonwealth Scientific And Industrial Research Organisation Moisture content by microwave phase shift and mass/area
CA2063717C (en) * 1989-08-15 2002-10-08 Nicholas George Cutmore Moisture content by microwave phase shift and mass/area
AU635313B2 (en) * 1989-08-15 1993-03-18 Commonwealth Scientific And Industrial Research Organisation Moisture content by microwave phase shift and mass/area
EP0558759A1 (en) * 1991-09-20 1993-09-08 Dipole Electronics Co. Ltd. Equipment for measuring physical quantity
GB9502518D0 (en) * 1995-02-09 1995-03-29 Mms Space Systems Ltd A method and apparatus for analysing the composition of a material
US5796080A (en) * 1995-10-03 1998-08-18 Cem Corporation Microwave apparatus for controlling power levels in individual multiple cells
EP0855020A2 (en) * 1995-10-03 1998-07-29 CEM Corporation Microwave assisted chemical processes
US6204670B1 (en) 1997-06-09 2001-03-20 National Research Development Corp. Process and instrument for moisture measurement
US7836910B2 (en) * 2004-12-29 2010-11-23 Rain Bird Corporation Soil moisture sensor and controller
RU2325632C1 (ru) * 2006-12-04 2008-05-27 Институт проблем управления им. В.А. Трапезникова РАН Способ определения влажности нефтепродукта
US9481777B2 (en) 2012-03-30 2016-11-01 The Procter & Gamble Company Method of dewatering in a continuous high internal phase emulsion foam forming process
US10656081B2 (en) 2017-10-18 2020-05-19 The Boeing Company Synchronized phased array and infrared detector system for moisture detection
US10422742B2 (en) 2017-10-18 2019-09-24 The Boeing Company Moisture detection system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1192007A (en) * 1966-09-13 1970-05-13 Microwave Instr Ltd Improvements relating to the Heat Treatment of Sheet and Web Materials
US3534260A (en) * 1967-04-26 1970-10-13 Charles W E Walker Method and apparatus for measuring moisture content in sheet materials using a frequency modulation free microwave energy beam

Also Published As

Publication number Publication date
FI792964A7 (fi) 1981-01-01
GB2033090B (en) 1983-03-30
DE2939554A1 (de) 1980-04-10
CA1124326A (en) 1982-05-25
GB2033090A (en) 1980-05-14
US4193027A (en) 1980-03-11

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