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Video-on-demand system and method to reduce network bandwidth used thereby

  • US 20030101460A1
  • Filed: 11/29/2001
  • Published: 05/29/2003
  • Est. Priority Date: 11/29/2001
  • Status: Abandoned Application
First Claim
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1. A video-on-demand method to reduce a network bandwidth used thereby, applied to reduce a bandwidth used for a plurality of user terminals to receive a common video information, wherein the user terminals receive the common video information with a time difference from each other, the method comprising of:

  • determining whether a second and a second user terminals select the common video information within the time difference;

    inspecting a channel used by the first user terminal to receive the common video information and a receiving time to receive the common video when the first and second user terminals select the common video information within the time difference;

    using an unused channel to output a front video information that the first user terminal has received, and recording a rear video information that the first user terminal is currently receiving at the same time; and

    continuously receiving the recorded rear video information after the second user terminal has received the front video information.

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