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Common digital representation of still images for data transfer with both slow and fast data transfer rates

  • US 5,724,070 A
  • Filed: 11/20/1995
  • Issued: 03/03/1998
  • Est. Priority Date: 11/20/1995
  • Status: Expired due to Term
First Claim
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1. A still image display system for displaying a still image stored as a compressed data file, comprising:

  • a progressive decompression component which decompresses the compressed data file and produces successive versions of the still image at progressively increasing resolutions;

    a data retrieval medium operably connected to supply the compressed data file to the decompression component at a rate which is at least as fast as the decompression component can decompress the compressed data file;

    a visual display device;

    an image display component operably connected to successively display the successive versions of the still image produced by the decompression component on the visual display device;

    wherein the decompression component acts concurrently with the data retrieval medium to decompress the compressed data file concurrently with retrieving the compressed data file.

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