Plant Watering System
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United States of America Patent
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N/A
Issued Date -
Aug 14, 2008
app pub date -
Jun 8, 2006
filing date -
Jun 8, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A plant watering system comprising a sensor (20) buried in the soil (32) in the root region of a plant (40), the sensor (20) passing a low voltage current through the soil (32) to measure the moisture content of the soil (32) and with the sensor (20) being switched on and off in a pulse like manner. The detected moisture level is processed by the system and water supplied to the plant when said moisture level is below a predetermined moisture level for that particular plant or group of plants (40). The systems predetermined moisture level may be adjusted to account for different plants within the system and to stimulate different growth cycles of the plant. The sensor (20) may also determine when said predetermined moisture has been reached and then terminate said supply. The electric current stimulates plant growth and the intermittent operation of the sensor helps prevent corrosion of the sensor and reduces power consumption. The sensor (20) may comprise a pair of spaced of electrodes and the moisture reading may be taken once the sensor has been fully energised.
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International Classification(s)
Cited Art Landscape
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