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Touch pad

  • US 8,410,370 B2
  • Filed: 05/26/2010
  • Issued: 04/02/2013
  • Est. Priority Date: 04/13/2010
  • Status: Active Grant
First Claim
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1. A touch pad, comprising:

  • a printed circuit board having an upper surface and a lower surface;

    a plurality of column-conductor groups including plural first column-conductors provided on the upper surface and plural second column-conductors provided on one of the upper surface and the lower surface and electrically connected to the first column-conductors; and

    a plurality of row-conductor groups including plural first row-conductors provided on the upper surface and plural second row-conductors provided on the other of the upper surface and the lower surface and electrically connected to the first row-conductors;

    wherein a portion of the second column-conductors are provided on the upper surface, the rest of the second column-conductors are provided on the lower surface, a portion of the second row-conductors are provided on the upper surface, the rest of the second row-conductors are provided on the lower surface, so that the second column-conductors and the second row-conductors are each arranged on both sides of the printed circuit board in a crisscross manner.

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