Control devices for irrigation systems and the associated methods for making and using such devices to control irrigation systems are described. The control devices contain a timer that can be mounted to a fixed location that is remote from a plurality of valves for the sprinkler system. The timer receives...http://www.google.es/patents/US20090008471?utm_source=gb-gplus-sharePatente US20090008471 - Control Devices For Irrigation Systems
