Landscape irrigation time of use scheduling

Data processing: generic control systems or specific application – Specific application – apparatus or process – Mechanical control system

Reexamination Certificate

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C239S069000

Reexamination Certificate

active

07962244

ABSTRACT:
A number of water related issues concern most communities. Among these are the availability of water, and the ability of the existing infrastructure to efficiently pump and deliver that water without wasting energy. The present invention addresses these issues with respect to landscape water use. A preferred embodiment of the present invention is an add-on module that may be programmed with local watering restrictions including time of use (TOU), and that is connected to the output of any existing landscape irrigation controller. The module is programmed to not allow watering during certain times of day or certain days of the week as established by a local water authority or municipality. Embodiments of the invention also provide methods and apparatus for updating the local watering restrictions, and integrating the present invention into existing controllers.

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Article (3 pgs); Methods to Calculate Evapotranspiration Diffe

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