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Optical data storage and retrieval apparatus

  • US 4,727,533 A
  • Filed: 05/28/1985
  • Issued: 02/23/1988
  • Est. Priority Date: 01/30/1984
  • Status: Expired due to Fees
First Claim
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1. Optical data storage apparatus for high density storage and high rate retrieval of digital information comprising in combination:

  • a data sheet for high density storage of optically readable digital information;

    a light transmitting lens sheet overlying said data sheet and affixed thereto;

    a plurality of aligned and closely spaced cylindrical data lenses formed in the surface of said lens sheet whereby parallel light passing through said lens sheet is focused onto said data sheet;

    wherein the curvature of said lenses and the geometric shape of said data sheet provide a correction for optical aberration.

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