FI892478A - Kosteusherkkä elementti - Google Patents

Kosteusherkkä elementti Download PDF

Info

Publication number
FI892478A
FI892478A FI892478A FI892478A FI892478A FI 892478 A FI892478 A FI 892478A FI 892478 A FI892478 A FI 892478A FI 892478 A FI892478 A FI 892478A FI 892478 A FI892478 A FI 892478A
Authority
FI
Finland
Prior art keywords
sensitive element
moisture sensitive
moisture
sensitive
Prior art date
Application number
FI892478A
Other languages
English (en)
Swedish (sv)
Other versions
FI94555C (fi
FI94555B (fi
FI892478A0 (fi
Inventor
Yoshiro Sakai
Yoshihiko Sadaoka
Takaaki Kuroiwa
Tooru Abe
Tetsuya Miyagishi
Original Assignee
Yamatake Honeywell Co 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
Priority claimed from JP1988066813U external-priority patent/JPH0645248Y2/ja
Priority claimed from JP63144665A external-priority patent/JPH0676982B2/ja
Priority claimed from JP63203154A external-priority patent/JPH0252248A/ja
Application filed by Yamatake Honeywell Co Ltd filed Critical Yamatake Honeywell Co Ltd
Publication of FI892478A0 publication Critical patent/FI892478A0/fi
Publication of FI892478A publication Critical patent/FI892478A/fi
Application granted granted Critical
Publication of FI94555B publication Critical patent/FI94555B/fi
Publication of FI94555C publication Critical patent/FI94555C/fi

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 Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FI892478A 1988-05-23 1989-05-22 Kosteusherkkä elementti FI94555C (fi)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP6681388 1988-05-23
JP1988066813U JPH0645248Y2 (ja) 1988-05-23 1988-05-23 ガス検知器
JP63144665A JPH0676982B2 (ja) 1988-06-14 1988-06-14 感湿素子
JP14466588 1988-06-14
JP63203154A JPH0252248A (ja) 1988-08-17 1988-08-17 感湿素子
JP20315488 1988-08-17

Publications (4)

Publication Number Publication Date
FI892478A0 FI892478A0 (fi) 1989-05-22
FI892478A true FI892478A (fi) 1989-11-24
FI94555B FI94555B (fi) 1995-06-15
FI94555C FI94555C (fi) 1995-09-25

Family

ID=27299255

Family Applications (1)

Application Number Title Priority Date Filing Date
FI892478A FI94555C (fi) 1988-05-23 1989-05-22 Kosteusherkkä elementti

Country Status (4)

Country Link
US (1) US4920451A (fi)
EP (1) EP0343593B1 (fi)
DE (1) DE68912199T2 (fi)
FI (1) FI94555C (fi)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0395349B2 (en) * 1989-04-26 1998-06-10 Yamatake-Honeywell Co. Ltd. Moisture sensitive element
DE3919864A1 (de) * 1989-06-19 1990-12-20 Testoterm Mestechnik Gmbh & Co Kapazitiver feuchtesensor
US5161085A (en) * 1991-02-21 1992-11-03 Yamatake-Honeywell Co., Ltd. Moisture sensitive element and method of manufacturing the same
US5337605A (en) * 1993-01-22 1994-08-16 Johnson Service Company Enclosure for humidity sensing element
US5533393A (en) * 1995-01-13 1996-07-09 Honeywell Inc. Determination of dew point or absolute humidity
EP0875752A1 (en) * 1997-05-02 1998-11-04 Yamatake-Honeywell Co. Ltd. Moisture sensitive element and method of manufacturing the same
DE10316933A1 (de) 2003-04-12 2004-10-21 E+E Elektronik Gmbh Sensorsystem und Verfahren zu dessen Herstellung
US7421883B2 (en) * 2005-12-08 2008-09-09 Therm-O-Disc, Incorporated Capacitive vapor sensor
DE112007000103A5 (de) * 2006-01-12 2008-11-13 Avl List Gmbh Sensoreinrichtung und Verfahren zur Überwachung eines Brennstoffzellensystems
CN102150038B (zh) * 2008-09-11 2014-03-19 Nxp股份有限公司 具有组合的面内和平行平面结构的传感器
EP2315013B1 (de) * 2009-10-21 2014-06-18 Micronas GmbH Feuchtesensor
EP2718706B1 (en) * 2011-06-08 2015-03-11 3M Innovative Properties Company Humidity sensor and sensor element therefor
EP3078964B1 (en) * 2015-04-09 2017-05-24 Honeywell International Inc. Relative humidity sensor and method
US11079347B1 (en) 2017-07-20 2021-08-03 Enco Electronic Systems, Llc Moisture sensor including volume sensing
JP7165035B2 (ja) * 2018-11-29 2022-11-02 Koa株式会社 ガスセンサおよびその製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582728A (en) * 1969-03-06 1971-06-01 Johnson Service Co Capacitance humidity sensing element
US4164868A (en) * 1972-10-12 1979-08-21 Vaisala Oy Capacitive humidity transducer
US3983527A (en) * 1973-08-14 1976-09-28 Nippon Sheet Glass Co., Ltd. Humidity-sensitive sensor
US4263702A (en) * 1979-05-18 1981-04-28 The United States Of America As Represented By The Secretary Of The Army Method of making a quartz resonator
JPS5770441A (en) * 1980-10-22 1982-04-30 Hitachi Ltd Moisture sensitive element
JPS5770437A (en) * 1980-10-22 1982-04-30 Hitachi Ltd Leakage detecting and announcing device
US4442422A (en) * 1982-03-31 1984-04-10 Murata Manufacturing Co., Ltd. Humidity sensitive resistor
JPS58187842A (ja) * 1982-04-28 1983-11-02 Hitachi Ltd センサ用感湿材
JPS5944647A (ja) * 1982-09-07 1984-03-13 Sanyo Electric Co Ltd 感湿素子
JPS59200951A (ja) * 1983-04-28 1984-11-14 Sharp Corp 感湿素子
JPS60200152A (ja) * 1984-03-24 1985-10-09 Nisshinbo Ind Inc 感湿素子

Also Published As

Publication number Publication date
DE68912199D1 (de) 1994-02-24
EP0343593B1 (en) 1994-01-12
EP0343593A3 (en) 1990-11-14
FI94555C (fi) 1995-09-25
US4920451A (en) 1990-04-24
EP0343593A2 (en) 1989-11-29
DE68912199T2 (de) 1994-04-28
FI94555B (fi) 1995-06-15
FI892478A0 (fi) 1989-05-22

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Legal Events

Date Code Title Description
BB Publication of examined application
TC Name/ company changed in patent

Owner name: YAMATAKE CORPORATION

FG Patent granted

Owner name: YAMATAKE CORPORATION

MA Patent expired