×

Orientation sensing device for use with coded marks

  • US 20030090475A1
  • Filed: 11/12/2002
  • Published: 05/15/2003
  • Est. Priority Date: 05/25/1999
  • Status: Active Grant
First Claim
Patent Images

1. A sensing device for generating orientation data when positioned or moved relative to a surface, the orientation data being indicative of an orientation of the sensing device relative to the surface, the surface having coded data disposed upon it, the coded data comprising a plurality of substantially undifferentiated marks positioned relative to a set of predetermined nominal mark positions and being indicative, when sensed by the sensing device, of the orientation, the sensing device including:

  • a housing;

    an orientation sensor configured to generate the orientation data using at least some of the coded data; and

    a communicator configured to communicate the orientation data to a computer system.

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