A DVD playback system in accordance with the principles of the present invention provides a method and apparatus in which a pointing device, such as a mouse, a joystick, or a stylus may activate "non-user" buttons while conforming to the DVD specification. The DVD playback system responds to the tentative...http://www.google.fr/patents/US6133920?utm_source=gb-gplus-shareBrevet US6133920 - Method and apparatus for activating buttons from a DVD bitstream using a pointing device
Method and apparatus for activating buttons from a DVD bitstream using a ...
