JPS5197494A - - Google Patents

Info

Publication number
JPS5197494A
JPS5197494A JP51002516A JP251676A JPS5197494A JP S5197494 A JPS5197494 A JP S5197494A JP 51002516 A JP51002516 A JP 51002516A JP 251676 A JP251676 A JP 251676A JP S5197494 A JPS5197494 A JP S5197494A
Authority
JP
Japan
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
JP51002516A
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 filed Critical
Publication of JPS5197494A publication Critical patent/JPS5197494A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/222—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating moisture content
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/29—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
JP51002516A 1975-02-12 1976-01-13 Pending JPS5197494A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/549,314 US3951098A (en) 1975-02-12 1975-02-12 House plant water content indicator

Publications (1)

Publication Number Publication Date
JPS5197494A true JPS5197494A (ja) 1976-08-27

Family

ID=24192486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51002516A Pending JPS5197494A (ja) 1975-02-12 1976-01-13

Country Status (3)

Country Link
US (1) US3951098A (ja)
JP (1) JPS5197494A (ja)
BE (1) BE838468A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5292782U (ja) * 1976-01-06 1977-07-11
JPS5336381U (ja) * 1976-09-03 1978-03-30
JPS5792161U (ja) * 1980-11-26 1982-06-07
JPS6358753U (ja) * 1986-10-03 1988-04-19
US5307034A (en) * 1990-05-25 1994-04-26 Toyo Communication Equipment Co., Ltd. Ultrathin multimode quartz crystal filter element
WO2014196521A1 (ja) * 2013-06-06 2014-12-11 キャビノチェ株式会社 土壌用水分インジケータ

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1066141A (en) * 1975-06-30 1979-11-13 Minnesota Mining And Manufacturing Company Method and device for monitoring vapor concentration at a phase interface
US4063452A (en) * 1975-06-30 1977-12-20 Minnesota Mining And Manufacturing Company Method and device for monitoring vapor concentration at a phase interface
CA1091987A (en) * 1976-11-24 1980-12-23 Bernard Slepak Moisture indicator
US4201080A (en) * 1976-11-24 1980-05-06 Bernard Slepak Moisture indicator
US4130012A (en) * 1977-11-25 1978-12-19 Design Loft Creations, Inc. Soil moisture indicator
US4184445A (en) * 1978-01-16 1980-01-22 Compac Industries, Inc. Soil moisture signaling device
US4382380A (en) * 1979-09-26 1983-05-10 Charles Martin Plant watering indicator
US4643122A (en) * 1984-07-23 1987-02-17 Wright State University Diffusion controlled security tags
GB8522294D0 (en) * 1985-09-09 1985-10-16 Crowther Display Ltd Watering indicators for plants
US4931051A (en) * 1987-02-06 1990-06-05 Edge Enterprises, Inc. Wetness indicator
DK167257B1 (da) * 1990-07-31 1993-09-27 Dansk Teknologisk Inst Fugtighedsindikator med indkapslet foeler til bestemmelse af fugtighedsgraden i bygningsdele
DE29801385U1 (de) 1998-01-30 1998-03-26 Schloesser Ulrich Stecketikett für Pflanzen
US6269764B1 (en) * 1999-05-14 2001-08-07 Church & Dwight Co., Inc. Timing device
WO2002039196A1 (en) * 2000-11-08 2002-05-16 Church & Dwight Co., Inc. Timing device
US6973894B1 (en) 2000-11-08 2005-12-13 Church & Dwight Co., Inc. Timing device
EP1558866A4 (en) * 2002-06-24 2010-03-03 Arichell Tech Inc AUTOMATED WATER SUPPLY SYSTEMS WITH FEEDBACK CONTROL
US20040013048A1 (en) * 2002-07-16 2004-01-22 Adamy Steven T. Timing device
US7434535B2 (en) * 2003-12-31 2008-10-14 Church & Dwight Co., Inc. Timing device
US7271729B2 (en) * 2004-07-15 2007-09-18 Rice Frank M Novelty moisture detector for plants
CN101598691B (zh) * 2009-07-03 2011-04-13 云南省林业科学院 一种植物含水量的测定方法
US8997682B1 (en) 2011-08-31 2015-04-07 Thomas William David Ashcroft Moisture indicator for potted plant soil
CN103592248A (zh) * 2013-12-05 2014-02-19 河南农大迅捷测试技术有限公司 土壤含水率的比色测定方法
FR3019647B1 (fr) * 2014-04-08 2017-12-22 Bouillard Indicateur de niveau d'eau pour recipient, notamment pour bac a fleurs a reserve d'eau
US11639918B2 (en) * 2017-09-08 2023-05-02 Cabinotier Co., Ltd. Soil, moisture indicator, water detection unit used in soil, moisture indicator, body case, manufacturing method for water detection unit, and manufacturing method for soil moisture indicator
CN110987237A (zh) * 2019-11-25 2020-04-10 桂林理工大学 一种好氧堆肥过程中堆体内含水率实时监测的方法
CN113940259A (zh) * 2021-09-09 2022-01-18 姬翠娥 一种塑料纤维渗灌管
CA3235486A1 (en) * 2021-10-18 2023-04-27 Rodney Bierhuizen Moisture indicator apparatus and methods of making thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019638A (en) * 1959-11-02 1962-02-06 William F Klein Moisture indicating device
US3824844A (en) * 1973-05-11 1974-07-23 Water Rite Inc Soil moisture monitor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5292782U (ja) * 1976-01-06 1977-07-11
JPS5336381U (ja) * 1976-09-03 1978-03-30
JPS5792161U (ja) * 1980-11-26 1982-06-07
JPS6358753U (ja) * 1986-10-03 1988-04-19
US5307034A (en) * 1990-05-25 1994-04-26 Toyo Communication Equipment Co., Ltd. Ultrathin multimode quartz crystal filter element
WO2014196521A1 (ja) * 2013-06-06 2014-12-11 キャビノチェ株式会社 土壌用水分インジケータ
JP2014238381A (ja) * 2013-06-06 2014-12-18 キャビノチェ株式会社 土壌用水分インジケータ

Also Published As

Publication number Publication date
BE838468A (fr) 1976-05-28
US3951098A (en) 1976-04-20

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