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...

Method and apparatus for providing bus-encrypted copy...

Method and apparatus for providing conditional access in...

Method and apparatus for recording of encrypted digital data

Method and apparatus for recording of encrypted digital data

Method and apparatus for recording scrambled video audio signals

Method and apparatus for reducing effects of copy protection...

Method and apparatus for reproducing ciphered data

Method and apparatus for reproducing ciphered data

Method and apparatus for scrambling a high definition...