NL189480C - Vochtindicator. - Google Patents

Vochtindicator.

Info

Publication number
NL189480C
NL189480C NL7712911A NL7712911A NL189480C NL 189480 C NL189480 C NL 189480C NL 7712911 A NL7712911 A NL 7712911A NL 7712911 A NL7712911 A NL 7712911A NL 189480 C NL189480 C NL 189480C
Authority
NL
Netherlands
Prior art keywords
moisture indicator
indicator
moisture
Prior art date
Application number
NL7712911A
Other languages
English (en)
Other versions
NL7712911A (nl
Original Assignee
Slepak Bernard
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 Slepak Bernard filed Critical Slepak Bernard
Publication of NL7712911A publication Critical patent/NL7712911A/nl
Application granted granted Critical
Publication of NL189480C publication Critical patent/NL189480C/nl

Links

Classifications

    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental Sciences (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Soil Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
NL7712911A 1976-11-24 1977-11-23 Vochtindicator. NL189480C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74473876A 1976-11-24 1976-11-24

Publications (2)

Publication Number Publication Date
NL7712911A NL7712911A (nl) 1978-05-26
NL189480C true NL189480C (nl) 1993-04-16

Family

ID=24993810

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7712911A NL189480C (nl) 1976-11-24 1977-11-23 Vochtindicator.

Country Status (7)

Country Link
JP (1) JPS5374095A (nl)
BE (1) BE861156A (nl)
CA (1) CA1091987A (nl)
DE (1) DE2752508C2 (nl)
FR (1) FR2372433A1 (nl)
GB (1) GB1556577A (nl)
NL (1) NL189480C (nl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3911151A1 (de) * 1989-04-06 1990-10-11 Joachim Schmidt Messgeraet zur bestimmung von bodeneigenschaften
FR2665049B1 (fr) * 1990-07-26 1993-12-03 Michel Chamoulaud Procede pour determiner la quantite d'eau necessaire a un substrat de culture et bac de culture adaptee a son utilisation.
GB9019377D0 (en) * 1990-09-05 1990-10-17 Hettiaratchi Daniel B P Irrigation sensor device
DE102009019901A1 (de) * 2009-05-04 2011-03-03 Pawel Alexander Adamczyk Gerät zur Messung der Feuchtigkeit von Pflanzenerde
JP5692826B2 (ja) * 2013-06-06 2015-04-01 キャビノチェ株式会社 土壌用水分インジケータ
CN103776982B (zh) * 2014-01-27 2015-09-16 甘肃省交通科学研究院有限公司 质量式岩土干湿循环实验装置及实验方法
DE102014226204A1 (de) * 2014-12-17 2016-06-23 Siemens Aktiengesellschaft Verfahren und Anordnung zum Überwachen einerEinrichtung auf innere Zustandsänderungen
CN105784703B (zh) * 2014-12-24 2018-07-20 中国科学院大连化学物理研究所 一种不溶性纳米湿度指示材料及其制备与应用
CN105548472A (zh) * 2015-12-10 2016-05-04 廖健恒 一种用于室内的湿度监测系统
WO2019050037A1 (ja) * 2017-09-08 2019-03-14 キャビノチェ株式会社 土壌用水分インジケータ、土壌用水分インジケータに用いられる水検出ユニット、本体ケース、水検出ユニットの製造方法、及び土壌用水分インジケータの製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716338A (en) * 1954-04-08 1955-08-30 Welford C Blinn Button type package humidity indicator
US2787238A (en) * 1955-04-04 1957-04-02 Richard W Luce Hygrometric indicator
US3019638A (en) * 1959-11-02 1962-02-06 William F Klein Moisture indicating device
US3702755A (en) * 1971-07-21 1972-11-14 Walter E Palmer Moisture indicator for plants
US3951098A (en) * 1975-02-12 1976-04-20 Enviro-Gro, Inc. House plant water content indicator

Also Published As

Publication number Publication date
CA1091987A (en) 1980-12-23
DE2752508C2 (de) 1987-01-22
GB1556577A (en) 1979-11-28
FR2372433A1 (fr) 1978-06-23
NL7712911A (nl) 1978-05-26
DE2752508A1 (de) 1978-06-01
JPS6339865B2 (nl) 1988-08-08
FR2372433B3 (nl) 1980-08-14
BE861156A (fr) 1978-03-16
JPS5374095A (en) 1978-07-01

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
A85 Still pending on 85-01-01
BB A search report has been drawn up
BC A request for examination has been filed
V4 Lapsed because of reaching the maximum lifetime of a patent

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