Patent ID: 6234403
Filing Date: 2001-05-22
Classification: A01G,Y10T

Abstract:
A system for controlling lawn and garden watering by using electronic probes, said system consisting of:base means for mounting and containing said system,power supply means for powering said system, mounted on said base,signaling means mounted within said base means for calibrating and adjusting said system for soil water content,probe means for determining the water content of soil, said probe means connected to said signaling means,a first trigger arm rotatably mounted on said base means, said trigger arm being biased against rotation by a leaf spring,a first solenoid coil mounted on said base for operating said first trigger arm in response to said signaling means,a first flag arm operatively connected to said first trigger arm and having a flag mounted on a first end, said first flag arm having spring means for rotating said flag arm,a second trigger arm rotatably mounted on said base means, said trigger arm being biased against rotation by a leaf spring,a second solenoid coil mounted on said base for operating said second trigger arm in response to said signaling means, anda second flag arm operatively connected to said second trigger arm, said second flag arm having spring means for rotating said second flag arm.