SATELLITE AUDIO VIDEO SCRAMBLING SYSTEM COMPRISING

Brand Owner Address Description
STAR SHAKER Macrovision Corporation 2830 De La Cruz Boulevard Santa Clara CA 95050 satellite audio-video scrambling system comprising scramblers and descramblers for applying security measures to prevent unauthorized use of audio and video images and signals;transmission of scrambled audio-video signals via satellite;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A video data transfer control system allowing secure protection of video data from unauthorized copying is disclosed. A scrambling key used to scramble video data is stored in a key register and a new scrambling key is stored in a register. At the timing of a vertical sync signal of the video data, the scrambling key is changed to the new one. As a result, the scrambling key can be frequently changed while transferring the video data, achieving enhanced protection of the video data from unauthorized copying.