OUTPUT SIGNAL POWER MANAGEMENT FOR IRRIGATION CONTROLLERS

Abstract: in some embodiments, apparatuses and methods are provided herein useful to manage a power output of an irrigation controller. in some embodiments, irrigation controller is provided that includes an ac to dc converter configured to convert an input ac signal into a dc voltage; a control circuit to generate a pwm signal; a signal generator to generate, based on the dc voltage and the pwm signal, an output signal. in some embodiments, the output signal is a multi-stage output signal having a first stage sufficient to cause actuation of a non-latching solenoid-actuated valve to an open position and a second stage to maintain the open position. a plurality of switches switch the output signal to station output connectors which are to be connected to a respective non-latching solenoid actuated valve.

Inventor(s): Harvey J. Nickerson, Gustavo Corona

CPC Classification: A01G25/16 (HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING (picking of fruits, vegetables, hops or the like ; propagating unicellular algae ))

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