×

Interactive input system with multi-angle reflector

  • US 8,339,378 B2
  • Filed: 11/05/2008
  • Issued: 12/25/2012
  • Est. Priority Date: 11/05/2008
  • Status: Active Grant
First Claim
Patent Images

1. An interactive input system, comprising:

  • a pointer input region;

    a multi-angle reflecting structure located along a single side of the pointer input region and operable to reflect radiation from a pointer within the pointer input region from at least two surface locations of the multi-angle reflecting structure, wherein the at least two surface locations each have different respective angles;

    an imaging system operable to capture within at least a portion of the pointer input region images of the reflected radiation located within a field of view of the imaging system; and

    processing structure for determining the location of the pointer relative to the pointer input region based on the at least one image.

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