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Touch device

  • US 10,282,035 B2
  • Filed: 11/14/2018
  • Issued: 05/07/2019
  • Est. Priority Date: 12/07/2016
  • Status: Active Grant
First Claim
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1. A touch sensing apparatus having a long edge and a short edge, the apparatus comprising:

  • a display panel;

    a frame assembly configured to support the display panel, the frame assembly comprising a plurality of frame elements, said plurality of frame elements comprising;

    a first frame element configured to surround a perimeter of a back surface of the display panel;

    a second frame element configured to connect with the first frame element to form a bracket, the second frame element including a support portion having a first side facing the first frame element, said support portion configured to support the display panel; and

    a plate configured to attach with a second side that is opposite the first side of the support portion, the plate including a touch surface opposite the second side,the touch surface including;

    a center point;

    a first edge and a second edge parallel to the short edge; and

    a third edge and a fourth edge parallel to the long edge;

    wherein a first plane defined by the touch surface is curved with respect to a second plane defined by the short edge and the long edge;

    wherein a distance between a first line in the first plane that passes through the center point and the second plane varies according to a parabolic function.

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