Equipment for the optical playback of analog phonographic records
AssigneeInstitut National de l'Audiovisuel-INA
InventorLouis Laborelli
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Abstract
This invention relates to equipment for the optical playback of sound media which includes resources (1) that has engraves grooves, (3, 9) for generating at least one light beam that presents a light spectrum variation according to its incidence angle on an area of the sound media and an image sensor (7) placed so that it recovers the light reflected by said area of the sound media.
Claims18
Equipment for the optical playback of a sound media (1) presenting a groove engraving, that includes generation resources (3, 9) of at least one light beam presenting a light spectrum variation according to its incidence angle on an area of the sound media, and an image sensor (7) placed in such a manner as to capture the light reflected by said area of the sound media.
Dependencies are inferred from the claim text.