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Irrigation System with ET Based Seasonal Watering Adjustment

  • US 20110238228A1
  • Filed: 06/03/2011
  • Published: 09/29/2011
  • Est. Priority Date: 11/09/2004
  • Status: Active Grant
First Claim
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1. An ET based irrigation system, comprising:

  • a stand alone irrigation controller with a seasonal adjust feature;

    a stand alone weather station including at least one environmental sensor; and

    a stand alone ET unit operatively in communication with the irrigation controller and the weather station including programming configured to calculate an estimated ET value using a signal from the environmental sensor and to automatically modify a watering schedule of the irrigation controller through the seasonal adjust feature based on the estimated ET value.

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