Method and apparatus for embedding data within the vertical...

Method and apparatus for encrypting multiplexed data streams usi

Method and apparatus for enhancing the scrambling of a TV...

Method and apparatus for generating a signal that defeats...

Method and apparatus for generating pseudo random numbers in...

Method and apparatus for generating pseudo random numbers in...

Method and apparatus for geographically limiting service in...

Method and apparatus for geographically limiting service in...

Method and apparatus for improved horizontal and vertical...

Method and apparatus for interdicting cable television channels

Method and apparatus for jamming different television channels u

Method and apparatus for level and phase control of a...

Method and apparatus for minimizing chroma subcarrier...

Method and apparatus for modifying a video signal by back...

Method and apparatus for modifying the envelope of a RF carrier

Method and apparatus for optimally formatting media key...

Method and apparatus for outputting a high definition image

Method and apparatus for protected exchange of status and...

Method and apparatus for protecting copy control information...

Method and apparatus for protecting copyright of digital...