作者: Barry A. Burman
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摘要: An apparatus for deterring animals from intruding into gardens, fields, yards, etc. has at least one sprinkler which produces an initial sudden jet of water to frighten or startle animal. The a sprinkler, preferably on is impulse type that series pulse sprays. connection line supply low voltage electrically operated shut-off valve provided in the with battery other power source. infrared proximity sensor senses presence such as powered by and opens turn sprinkler.