<p>Methods and apparatus are provided for a control device and control device operation. In one embodiment a control device includes a slider configured to support a control knob, a rack coupled to the slider and configured to linearly displace the slider. The rack including slots. The control device may further include a drive element configured to displace the rack and position the control knob, and an optical detection module configured to detect position of the control knob based on one or more optical signals detected relative to slots of the rack. According to another embodiment, a control console is provided including control devices.</p>
申请公布号
WO2011087966(A9)
申请公布日期
2012.03.08
申请号
WO2011US20594
申请日期
2011.01.07
申请人
QSC AUDIO PRODUCTS, LLC;MACKIE, GREG, C.;JENSEN, CHUCK, T.;WATTS, PETER, F.
发明人
MACKIE, GREG, C.;JENSEN, CHUCK, T.;WATTS, PETER, F.