ATA567175A - HUMIDITY SENSOR FOR THE AUTOMATIC CONTROL OF IRRIGATION SYSTEMS FOR PLANT CROPS - Google Patents

HUMIDITY SENSOR FOR THE AUTOMATIC CONTROL OF IRRIGATION SYSTEMS FOR PLANT CROPS

Info

Publication number: ATA567175A
Authority: AT; Austria
Prior art keywords: humidity sensor; automatic control; irrigation systems; plant crops; crops
Prior art date: 1974-07-22

Application number

AT567175A

Other languages

German (de)

Other versions

AT339651B (en

Original Assignee

Filser Franz

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.)

1974-07-22

Filing date

1975-07-22

Publication date

1977-02-15

1975-07-22 Application filed by Filser Franz filed Critical Filser Franz

1977-02-15 Publication of ATA567175A publication Critical patent/ATA567175A/en

1977-11-10 Application granted granted Critical

1977-11-10 Publication of AT339651B publication Critical patent/AT339651B/en

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

Landscapes

Life Sciences & Earth Sciences (AREA)
Soil Sciences (AREA)
Engineering & Computer Science (AREA)
Water Supply & Treatment (AREA)
Environmental Sciences (AREA)
Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Control Of Non-Electrical Variables (AREA)
Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

AT567175A 1974-07-22 1975-07-22 HUMIDITY SENSOR FOR THE AUTOMATIC CONTROL OF IRRIGATION SYSTEMS FOR PLANT CROPS AT339651B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19742435179 DE2435179A1 (en)	1974-07-22	1974-07-22	MOISTURE SENSOR FOR AUTOMATIC CONTROL OF IRRIGATION DEVICES FOR PLANT CROPS

Publications (2)

Publication Number	Publication Date
ATA567175A true ATA567175A (en)	1977-02-15
AT339651B AT339651B (en)	1977-11-10

Family

ID=5921189

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT567175A AT339651B (en)	1974-07-22	1975-07-22	HUMIDITY SENSOR FOR THE AUTOMATIC CONTROL OF IRRIGATION SYSTEMS FOR PLANT CROPS

Country Status (4)

Country	Link
AT (1)	AT339651B (en)
DE (1)	DE2435179A1 (en)
FR (1)	FR2280087A1 (en)
NL (1)	NL7508738A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL182274C (en) *	1977-04-26	1988-02-16	Leendert Cornelis Kesting	Apparatus for automatic watering of plants growing in the open air or in a greenhouse and control apparatus therefor.
DE4025690A1 (en) *	1990-08-14	1992-02-20	Gardena Kress & Kastner Gmbh	IRRIGATION CONTROL DEVICE
DE102007029254A1 (en) *	2007-06-13	2008-12-18	Klaus Spohrer	Irrigation device, has signal device with auxiliary valve, which is actuated between substratum wetness sensing unit and regulating valve for controlling regulating valve using fluidic control medium

1974
- 1974-07-22 DE DE19742435179 patent/DE2435179A1/en not_active Ceased
1975
- 1975-07-22 NL NL7508738A patent/NL7508738A/en unknown
- 1975-07-22 FR FR7522853A patent/FR2280087A1/en not_active Withdrawn
- 1975-07-22 AT AT567175A patent/AT339651B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
AT339651B (en)	1977-11-10
NL7508738A (en)	1976-01-26
DE2435179A1 (en)	1976-02-05
FR2280087A1 (en)	1976-02-20

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Legal Events

Date	Code	Title	Description
1980-11-15	ELJ	Ceased due to non-payment of the annual fee