FI892478A0 - Fuktkänsligt element - Google Patents
Fuktkänsligt elementInfo
- Publication number
- FI892478A0 FI892478A0 FI892478A FI892478A FI892478A0 FI 892478 A0 FI892478 A0 FI 892478A0 FI 892478 A FI892478 A FI 892478A FI 892478 A FI892478 A FI 892478A FI 892478 A0 FI892478 A0 FI 892478A0
- Authority
- FI
- Finland
- Prior art keywords
- sensitive element
- moisture sensitive
- moisture
- sensitive
- Prior art date
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)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988066813U JPH0645248Y2 (ja) | 1988-05-23 | 1988-05-23 | ガス検知器 |
JP6681388 | 1988-05-23 | ||
JP63144665A JPH0676982B2 (ja) | 1988-06-14 | 1988-06-14 | 感湿素子 |
JP14466588 | 1988-06-14 | ||
JP20315488 | 1988-08-17 | ||
JP63203154A JPH0252248A (ja) | 1988-08-17 | 1988-08-17 | 感湿素子 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI892478A0 true FI892478A0 (sv) | 1989-05-22 |
FI892478A FI892478A (sv) | 1989-11-24 |
FI94555B FI94555B (sv) | 1995-06-15 |
FI94555C FI94555C (sv) | 1995-09-25 |
Family
ID=27299255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI892478A FI94555C (sv) | 1988-05-23 | 1989-05-22 | Fuktkänsligt element |
Country Status (4)
Country | Link |
---|---|
US (1) | US4920451A (sv) |
EP (1) | EP0343593B1 (sv) |
DE (1) | DE68912199T2 (sv) |
FI (1) | FI94555C (sv) |
Families Citing this family (15)
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 |
CN1105911C (zh) * | 1997-05-02 | 2003-04-16 | 株式会社山武 | 湿度敏感元件及其制作方法 |
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 |
US8707781B2 (en) * | 2008-09-11 | 2014-04-29 | Nxp, B.V. | Sensor has combined in-plane and parallel-plane configuration |
EP2315013B1 (de) * | 2009-10-21 | 2014-06-18 | Micronas GmbH | Feuchtesensor |
WO2012170248A1 (en) * | 2011-06-08 | 2012-12-13 | 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)
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 |
-
1989
- 1989-05-18 US US07/353,903 patent/US4920451A/en not_active Expired - Lifetime
- 1989-05-22 FI FI892478A patent/FI94555C/sv not_active IP Right Cessation
- 1989-05-23 EP EP89109243A patent/EP0343593B1/en not_active Expired - Lifetime
- 1989-05-23 DE DE89109243T patent/DE68912199T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI94555B (sv) | 1995-06-15 |
FI94555C (sv) | 1995-09-25 |
EP0343593A2 (en) | 1989-11-29 |
DE68912199D1 (de) | 1994-02-24 |
FI892478A (sv) | 1989-11-24 |
US4920451A (en) | 1990-04-24 |
EP0343593B1 (en) | 1994-01-12 |
DE68912199T2 (de) | 1994-04-28 |
EP0343593A3 (en) | 1990-11-14 |
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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 |