×

Method of reproducing from storage medium storing interactive graphics stream activated in response to user's command

  • US 8,175,444 B2
  • Filed: 10/01/2004
  • Issued: 05/08/2012
  • Est. Priority Date: 01/14/2004
  • Status: Active Grant
First Claim
Patent Images

1. A method of reproducing an interactive graphics stream read from a storage medium by a reproducing apparatus, the method comprising:

  • reading an interactive graphics stream from the storage medium;

    decoding the read interactive graphics stream;

    determining a type of the read interactive graphics stream as a normal interactive graphics stream which is displayed at a designated time or an on-demand interactive graphics stream which is displayed when an activation command is received; and

    blending the decoded interactive graphics stream with video data; and

    when the decoded interactive graphics stream is the normal interactive graphics stream, outputting, to a display, the decoded interactive graphics stream at the designated andwhen the decoded interactive graphics stream is the on-demand interactive graphics stream, outputting, to a display,the decoded interactive graphics stream when the activation command is received,wherein the activation command corresponding to the on-demand interactive graphics stream is ignored if the activation command is generated after a predetermined time.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×