<p>An automatic mist-sprayer system comprising a control unit having electronic circuitry adapted to activate the sprayer for a predetermined interval in response to a sensed ambient light condition of desired intensity and duration. The system desirably further includes an electrical power supply and a plurality of spacedapart sprayer heads. A preferred utility for the system of the invention is spraying dilute solutions of insecticide or insect repellent during the periods of significant insect activity that typically occur around dusk and dawn. Manual overrides and a remote receiving unit are also disclosed for use of the system at times other than dusk and dawn.</p>
申请公布号
WO2006046991(A3)
申请公布日期
2007.04.12
申请号
WO2005US26975
申请日期
2005.08.01
申请人
NCH CORPORATION
发明人
COLARUSSO, JOSEPH, THOMAS;KIPLINGER, DALE, VILMER;PAULSON, MICHAEL, LEE;PEARCE, ROBERT, CLARENCE, III