Object position detector with edge motion feature and gesture recognition

  • US 6,380,931 B1
  • Filed: 05/18/2001
  • Issued: 04/30/2002
  • Est. Priority Date: 06/08/1992
  • Status: Expired due to Term
  • ×

    Create Patent Alert


    *Certain alert events are not available for your current subscription level. Upgrade
  • Save