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Information transmission method and apparatus

  • US 5,751,743 A
  • Filed: 10/01/1992
  • Issued: 05/12/1998
  • Est. Priority Date: 10/04/1991
  • Status: Expired due to Term
First Claim
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1. An image information method for transmitting image information at a plurality of transmission speeds, said method comprising the steps of:

  • setting a desired transmission speed from the plurality of transmission speeds;

    transmitting information in units of a fixed-length block including image information codes and error-correcting check codes for correcting errors of the image information codes, the image information codes being obtained by performing variable-length encoding of image signals in a frame of image data which are encoded to be a predetermined total amount of codes; and

    changing a number of blocks to be transmitted per unit time without changing a code amount of the image information codes and a code amount of the error correcting check codes within each block in accordance with the set transmission speed.

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