FR2372433B3 - - Google Patents
Info
- Publication number
- FR2372433B3 FR2372433B3 FR7735230A FR7735230A FR2372433B3 FR 2372433 B3 FR2372433 B3 FR 2372433B3 FR 7735230 A FR7735230 A FR 7735230A FR 7735230 A FR7735230 A FR 7735230A FR 2372433 B3 FR2372433 B3 FR 2372433B3
- Authority
- FR
- France
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74473876A | 1976-11-24 | 1976-11-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2372433A1 FR2372433A1 (fr) | 1978-06-23 |
| FR2372433B3 true FR2372433B3 (US20110009641A1-20110113-C00185.png) | 1980-08-14 |
Family
ID=24993810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7735230A Granted FR2372433A1 (fr) | 1976-11-24 | 1977-11-23 | Indicateur d'humidite de la terre |
Country Status (7)
Families Citing this family (10)
| 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 |
| EP3680656A4 (en) * | 2017-09-08 | 2021-11-10 | Cabinotier Co., Ltd. | SOIL HUMIDITY INDICATOR, WATER DETECTION UNIT USED IN SOIL HUMIDITY INDICATOR, BODY HOUSING, WATER DETECTION UNIT MANUFACTURING PROCESS AND HUMIDITY INDICATOR MANUFACTURING METHOD GROUND |
Family Cites Families (5)
| 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 |
-
1977
- 1977-11-21 CA CA291,278A patent/CA1091987A/en not_active Expired
- 1977-11-23 FR FR7735230A patent/FR2372433A1/fr active Granted
- 1977-11-23 GB GB4882577A patent/GB1556577A/en not_active Expired
- 1977-11-23 NL NL7712911A patent/NL189480C/xx not_active IP Right Cessation
- 1977-11-24 JP JP14105977A patent/JPS5374095A/ja active Granted
- 1977-11-24 BE BE182897A patent/BE861156A/xx not_active IP Right Cessation
- 1977-11-24 DE DE19772752508 patent/DE2752508A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7712911A (nl) | 1978-05-26 |
| GB1556577A (en) | 1979-11-28 |
| BE861156A (fr) | 1978-03-16 |
| DE2752508A1 (de) | 1978-06-01 |
| FR2372433A1 (fr) | 1978-06-23 |
| NL189480C (nl) | 1993-04-16 |
| CA1091987A (en) | 1980-12-23 |
| JPS6339865B2 (US20110009641A1-20110113-C00185.png) | 1988-08-08 |
| DE2752508C2 (US20110009641A1-20110113-C00185.png) | 1987-01-22 |
| JPS5374095A (en) | 1978-07-01 |
