DE69423898D1 - Bodenfeuchtigkeitsfühler - Google Patents
BodenfeuchtigkeitsfühlerInfo
- Publication number
- DE69423898D1 DE69423898D1 DE69423898T DE69423898T DE69423898D1 DE 69423898 D1 DE69423898 D1 DE 69423898D1 DE 69423898 T DE69423898 T DE 69423898T DE 69423898 T DE69423898 T DE 69423898T DE 69423898 D1 DE69423898 D1 DE 69423898D1
- Authority
- DE
- Germany
- Prior art keywords
- soil moisture
- moisture sensor
- sensor
- soil
- moisture
- 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.)
- Expired - Lifetime
Links
- 239000002689 soil Substances 0.000 title 1
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
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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL10682993A IL106829A (en) | 1993-08-29 | 1993-08-29 | Soil moisture sensor |
US08/181,220 US5424649A (en) | 1993-08-29 | 1994-01-13 | Soil moisture sensor |
PCT/US1994/009367 WO1995006881A1 (en) | 1993-08-29 | 1994-08-17 | Soil moisture sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69423898D1 true DE69423898D1 (de) | 2000-05-11 |
Family
ID=26322676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69423898T Expired - Lifetime DE69423898D1 (de) | 1993-08-29 | 1994-08-17 | Bodenfeuchtigkeitsfühler |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0715724B1 (de) |
JP (1) | JPH09506165A (de) |
AU (1) | AU690918B2 (de) |
DE (1) | DE69423898D1 (de) |
ES (1) | ES2147240T3 (de) |
WO (1) | WO1995006881A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9517096D0 (en) * | 1995-08-21 | 1995-10-25 | Protimeter Plc | Moisture measuring apparatus for bulk grain and the like |
CN1083331C (zh) * | 1996-05-07 | 2002-04-24 | 科诺克斯安全工程公司 | 尿布及其制造方法以及制造该尿布的装置 |
AUPS180502A0 (en) * | 2002-04-19 | 2002-05-30 | Agrilink Holdings Pty Ltd | A sensor |
EP2015060A1 (de) * | 2007-07-11 | 2009-01-14 | Senmatic A/S | Messgerät zur Bestimmung eines Wasseranteils |
FR2937733B1 (fr) * | 2008-10-28 | 2011-01-14 | Lefevre M | Dispositif de mesure de l'humidite d'un corps, et procede correspondant |
JP5871237B2 (ja) | 2010-06-17 | 2016-03-01 | 国立大学法人豊橋技術科学大学 | 土壌の水分状態特定装置及びその方法 |
CN101936938B (zh) * | 2010-07-05 | 2013-01-02 | 河海大学 | 高频法土壤水分测量仪 |
GB201021033D0 (en) * | 2010-12-13 | 2011-01-26 | Verdirrigation Ltd | An irrigation apparatus and a sensor therefor |
JP2012132794A (ja) * | 2010-12-22 | 2012-07-12 | Fujitsu Ltd | 土壌水分計及び土壌水分測定方法 |
JP5768648B2 (ja) * | 2011-10-12 | 2015-08-26 | 富士通株式会社 | 誘電率センサ |
US9629304B2 (en) | 2013-04-08 | 2017-04-25 | Ag Leader Technology | On-the go soil sensors and control methods for agricultural machines |
US10718730B2 (en) * | 2016-01-29 | 2020-07-21 | Sharp Kabushiki Kaisha | Sensor device |
JP6739221B2 (ja) * | 2016-04-27 | 2020-08-12 | Kyb株式会社 | センサおよびセンサの製造方法 |
DE102016212986A1 (de) * | 2016-07-15 | 2018-01-18 | Volkswagen Aktiengesellschaft | Flüssigkeitsmessvorrichtung und Messkopfvorrichtung zur Feuchtigkeitsdetektion, insbesondere in Behältnissen für flüssigkeitssensitive Elektrik- und/oder Elektronikkomponenten in Straßenfahrzeugen |
CN106289392A (zh) * | 2016-08-01 | 2017-01-04 | 东南大学 | 一种应用于城市道路的水环境监测系统 |
KR102143684B1 (ko) * | 2018-04-12 | 2020-08-13 | (주) 텔로팜 | 토양 내 수분 함량 측정 장치 |
KR102143685B1 (ko) * | 2018-04-17 | 2020-08-13 | (주) 텔로팜 | 토양의 전기 전도도 측정 장치 |
KR102186469B1 (ko) * | 2018-04-20 | 2020-12-04 | (주) 텔로팜 | 전기 전도도 측정용 마이크로 프로브 및 이를 구비한 전기 전도도 측정 장치 |
KR102186466B1 (ko) * | 2018-04-23 | 2020-12-04 | (주) 텔로팜 | 식물 수액의 전기 전도도 및 유속 측정용 마이크로 프로브와, 이를 구비한 측정 장치 |
WO2020041440A1 (en) * | 2018-08-22 | 2020-02-27 | Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada Reno | Capacitance-based soil moisture sensing |
WO2020160605A1 (en) * | 2019-02-04 | 2020-08-13 | The University Of Melbourne | Soil moisture estimation |
US11805740B2 (en) | 2019-09-27 | 2023-11-07 | Hortau Inc. | Systems and methods for monitoring and controlling crop irrigation schedules |
KR102217462B1 (ko) * | 2020-05-08 | 2021-02-22 | (주) 텔로팜 | 토양 내 수분 함량 측정 장치 |
CN113189149A (zh) * | 2021-03-30 | 2021-07-30 | 华帝股份有限公司 | 一种湿度检测方法及应用其方法的装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4137931A (en) * | 1977-01-17 | 1979-02-06 | Hasenbeck Harold W | Conduction type soil matric potential sensor |
US4850386A (en) * | 1985-01-02 | 1989-07-25 | Aquametrics, Inc. | Soil Moisture monitor |
US4952868A (en) * | 1986-05-19 | 1990-08-28 | Scherer Iii Robert P | Moisture sensing system for an irrigation system |
-
1994
- 1994-08-17 DE DE69423898T patent/DE69423898D1/de not_active Expired - Lifetime
- 1994-08-17 EP EP94925296A patent/EP0715724B1/de not_active Expired - Lifetime
- 1994-08-17 AU AU75275/94A patent/AU690918B2/en not_active Ceased
- 1994-08-17 ES ES94925296T patent/ES2147240T3/es not_active Expired - Lifetime
- 1994-08-17 JP JP7508148A patent/JPH09506165A/ja not_active Ceased
- 1994-08-17 WO PCT/US1994/009367 patent/WO1995006881A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
WO1995006881A1 (en) | 1995-03-09 |
EP0715724A1 (de) | 1996-06-12 |
EP0715724B1 (de) | 2000-04-05 |
AU690918B2 (en) | 1998-05-07 |
EP0715724A4 (de) | 1996-07-31 |
ES2147240T3 (es) | 2000-09-01 |
JPH09506165A (ja) | 1997-06-17 |
AU7527594A (en) | 1995-03-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |