Method and device for recording data as holograms in a multi-cha

Recorders – Record receiver deforming

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1791003G, 350 35, 346108, G11B 700, H04N 584

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active

039476405

ABSTRACT:
A method and apparatus for recording data in parallel extending information channels or tracks on a storage tape characterized by the object beam and reference beam being commonly and sequentially deflected in a direction perpendicular to the parallel information tracks or channels. The invention is also directed to a method of retrieving or reading-out the information which includes focusing a retrieval beam on the tracks with a cylindrical lens to either simultaneously illuminate each of the tracks and sequentially detect the information contained in the individual tracks or deflecting the focused beam sequentially in a vertical direction from track to track for sequentially retrieving the information recorded thereon.

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