Please download the dossier by clicking on the dossier button x
×

Touch pad

  • US 20050083313A1
  • Filed: 02/05/2003
  • Published: 04/21/2005
  • Est. Priority Date: 02/06/2002
  • Status: Active Grant
First Claim
Patent Images

1. A touch pad for acquiring acoustic signals resulting from touch events, comprising:

  • a surface having an area in which said touch events may be formed;

    a plurality of transducers for acquiring said acoustic signals at a plurality of different locations in said surface;

    an arrangement for electrically combining said acoustic signals from a plurality of said different locations into a combined signal; and

    an output for supplying representations of said acoustic signals to an analog to digital converter in response to said combined signal.

View all claims
  • 11 Assignments
Timeline View
Assignment View
    ×
    ×