GB8906250D0 - Soil moisture alarm - Google Patents

Soil moisture alarm

Info

Publication number
GB8906250D0
GB8906250D0 GB898906250A GB8906250A GB8906250D0 GB 8906250 D0 GB8906250 D0 GB 8906250D0 GB 898906250 A GB898906250 A GB 898906250A GB 8906250 A GB8906250 A GB 8906250A GB 8906250 D0 GB8906250 D0 GB 8906250D0
Authority
GB
United Kingdom
Prior art keywords
soil moisture
moisture alarm
alarm
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.)
Withdrawn
Application number
GB898906250A
Other versions
GB2221036A (en
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.)
CROSS DAVID J
Original Assignee
CROSS DAVID J
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 CROSS DAVID J filed Critical CROSS DAVID J
Publication of GB8906250D0 publication Critical patent/GB8906250D0/en
Publication of GB2221036A publication Critical patent/GB2221036A/en
Withdrawn legal-status Critical Current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
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/16—Control of watering
    • A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
    • 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
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/045—Circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24—Earth materials
    • G01N33/246—Earth materials for water content

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB8906250A 1988-03-22 1989-03-17 Soil moisture alarm Withdrawn GB2221036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888806796A GB8806796D0 (en) 1988-03-22 1988-03-22 Soil moisture alarm

Publications (2)

Publication Number Publication Date
GB8906250D0 true GB8906250D0 (en) 1989-05-04
GB2221036A GB2221036A (en) 1990-01-24

Family

ID=10633871

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888806796A Pending GB8806796D0 (en) 1988-03-22 1988-03-22 Soil moisture alarm
GB8906250A Withdrawn GB2221036A (en) 1988-03-22 1989-03-17 Soil moisture alarm

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888806796A Pending GB8806796D0 (en) 1988-03-22 1988-03-22 Soil moisture alarm

Country Status (1)

Country Link
GB (2) GB8806796D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104714000A (en) * 2015-04-06 2015-06-17 泉州三欣新材料科技有限公司 Humidity alarm

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2256926B (en) * 1991-06-13 1995-02-08 Liebermann Arax Ltd Moisture meter
US5478267A (en) * 1993-09-22 1995-12-26 Gerald A. McDonald Soap bubble sensing and responsive device
FR2722643B1 (en) * 1994-07-19 1996-12-20 Spmp Sa DEVICE FOR MEASURING THE MOISTURE DEGREE OF A CROP SUBSTRATE FOR PLANTS
GB2320572A (en) * 1996-12-19 1998-06-24 Peter Hulme Plant moisture detector
GB2432673A (en) * 2005-11-24 2007-05-30 Hollybush Primary School Plant soil dryness detector
GB2517172B (en) * 2013-08-13 2016-01-27 Mohammed Iftkhar Conductive probe based moisture detection sensor
CN108318662B (en) * 2018-03-01 2023-12-19 中国农业科学院农田灌溉研究所 Soil water potential information transmitting device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH560389A5 (en) * 1972-04-14 1975-03-27 Dixi Sa
GB1428668A (en) * 1973-07-10 1976-03-17 Debough B N Audio signalling system having probes for monitoring character istics of a material
US3968428A (en) * 1974-09-30 1976-07-06 Minoru Numoto Portable soil moisture tester
US4020417A (en) * 1975-11-26 1977-04-26 Turf Service Laboratories, Inc. Soil moisture indicator device
GB2132767B (en) * 1982-10-02 1987-01-28 Dr Mahmood Salehi Monitoring the property of a medium
CA1232177A (en) * 1983-09-19 1988-02-02 John H. Downey Moisture sensing hair grooming device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104714000A (en) * 2015-04-06 2015-06-17 泉州三欣新材料科技有限公司 Humidity alarm

Also Published As

Publication number Publication date
GB8806796D0 (en) 1988-04-20
GB2221036A (en) 1990-01-24

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)