发明名称 NON CONTACT SHUTTER ACTIVATION SYSTEM AND METHOD
摘要 A method of controlling a plurality of shutter blades activated by a solenoid to move the plurality of shutter blades between an open position and a closed position includes reducing an electrical signal applied to the solenoid while the plurality of shutter blades is in transit between the open position and the closed position.
申请公布号 US2009162050(A1) 申请公布日期 2009.06.25
申请号 US20090359828 申请日期 2009.01.26
申请人 VA, INC. 发明人 VIGLIONE DAVID;PASQUARELLA STEPHEN T.
分类号 G03B9/08 主分类号 G03B9/08
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