Patent ID: 7286904

Claim:
A wireless receiver coupled to a irrigation solenoid valve, the wireless receiver comprising: means for activating the irrigation solenoid valve in response to receiving a wireless control signal indicating a desired state of the irrigation solenoid valve, wherein the means for activating comprises: a decode module for receiving the wireless control signal; a clock configured to generate electrical signals indicative of a sleep mode and a listen mode, wherein during the sleep mode, at least the decode module enters a very low power mode; a latch module for maintaining the desired state received in the wireless control signal for a predetermined time, wherein the predetermined time is longer than a duration of the listen mode; an output module for outputting an electrical signal to the irrigation valve in accordance with the desired state stored in the latch module for the predetermined time; and means for deactivating the irrigation solenoid valve if the wireless control signal is not again detected during a pre-determined time interval after being initially received by the activating means.