1
John Ellenby, Thomas Ellenby, Peter Ellenby: Vision system for viewing a sporting event. Geovector Corporation, Page Lohr, February 29, 2000: US06031545 (186 worldwide citation)

The systems combine images of a real scene with computer generated imagery where the computer generated imagery is particular to the position and pointing attitude of the device. Being useful to spectators of the game baseball, the device can produce images showing where a strike zone is relative to ...


2
John Ellenby, Thomas Ellenby, Peter Ellenby: Vision system for viewing a sporting event. Criticom, April 21, 1998: US05742521 (153 worldwide citation)

The following invention is primarily concerned with new and improved systems for viewing a sporting event. In particular, systems which combine images of a real scene with computer generated imagery where the computer generated imagery is particular to the position and pointing attitude of the devic ...



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