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    • 27. 发明授权
    • Shredder with media detector
    • 粉碎机带媒体检测器
    • US09440238B2
    • 2016-09-13
    • US13895763
    • 2013-05-16
    • Staples The Office Superstore, LLC
    • Alan C. PilchMark E. Reindle
    • B02C25/00B02C18/00
    • B02C25/00B02C18/0007
    • A shredder includes a housing having an opening for the insertion of media to be shredded. A cutting assembly for the shredding of media is disposed in the housing. A media detector including an infrared emitter and an infrared sensor is disposed about the opening for the detection of the presence of media to be shredded in the opening. A controller is disposed in the housing and is in responsive communication with the media detector for controlling the operation of the cutting assembly. The controller is programmed with a dynamic media detection threshold that is at least in part passed upon an emission sensed value and a background sensed value.
    • 切碎机包括具有用于插入要切碎的介质的开口的壳体。 用于粉碎介质的切割组件设置在壳体中。 围绕开口布置有包括红外发射器和红外传感器的介质检测器,用于检测在开口中要切碎的介质的存在。 控制器设置在壳体中并且与介质检测器响应地通信以控制切割组件的操作。 控制器被编程有动态媒体检测阈值,其至少部分地基于发射检测值和背景感测值。