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==History==
==History==
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===Ivan Sutherland===
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===Ivan Sutherland's head-mounted display===
[[File:Ivan Sutherland's head-mounted display with ultrasonic tracking system.jpg|thumb|Ivan Sutherland's head-mounted display with [[ultrasonic tracking system]]]]
[[File:Ivan Sutherland's head-mounted display with ultrasonic tracking system.jpg|thumb|Ivan Sutherland's head-mounted display with [[ultrasonic tracking system]]]]
[[Ivan Sutherland]] created the first headset with graphics that came from a computer. Beforehand, there was the [[Philco headsight]], which used a live analog camera feed and a motion tracker.
[[Ivan Sutherland]] created the first headset with graphics that came from a computer. Beforehand, there was the [[Philco headsight]], which used a live analog camera feed and a motion tracker.