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Digital signal transmitting method, digital signal receiving apparatus, and recording medium

  • US 5,721,778 A
  • Filed: 10/19/1995
  • Issued: 02/24/1998
  • Est. Priority Date: 10/28/1994
  • Status: Expired
First Claim
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1. A method for transmitting a digital signal, comprising the steps of:

  • band-compression coding a first digital signal and a second digital signal, each respective digital signal defining an image;

    encrypting the band-compression coded first digital signal;

    multiplexing the encrypted first digital signal and the band-compression coded second digital signal; and

    encrypting the multiplexed first and second digital signals to form said digital signal for transmission.

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