Method for realizing common interface based on USB bus

Method for realizing common interface based on USB bus

  • CN 1,481,158 A
  • Filed: 07/22/2003
  • Published: 03/10/2004
  • Est. Priority Date: 07/22/2003
  • Status: Active Application
First Claim
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1. common interface implementation method based on usb bus comprises method that digital television receiver receives, decodes signal and conditional access module to the method that signal carries out descrambling, deciphering, it is characterized in that, may further comprise the steps:

  • Set up synchronizing channel A by terminal A between digital television receiver and conditional access module based on usb bus;

    Digital television receiver sends transport stream by described synchronizing channel A to conditional access module;

    Set up synchronizing channel B by terminal B between digital television receiver and conditional access module based on usb bus;

    Digital television receiver receives transport stream by described synchronizing channel B from conditional access module.

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