Inventor
ATHERTON MARK LEIGHTON
US3 patents
Patents
3 patentsUS6211940B1Apr 3, 2001
Selecting analog or digital motion picture sound tracks
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US5757465AMay 26, 1998
Storage medium for carrying information encoded in two dimensions
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US5710752AJan 20, 1998
Apparatus using one optical sensor to recover audio information from analog and digital soundtrack carried on motion picture film
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