4. Cryptography
  5. Video cryptography
  6. Video electric signal modification

Andrew Augustine Wajs

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Digital content distribution system

Cryptography – Communication system using cryptography
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Method and system to uniquely associate multicast content...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
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Method for controlling the use of a program signal in a...

Cryptography – Video cryptography – Video electric signal modification
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Method of controlling descrambling of a plurality of program...

Interactive video distribution systems – Access control or blocking – With encryption or scrambling of video signal
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Method of implementing a state tracking mechanism in a...

Electrical computers and digital processing systems: interprogra – Interprogram communication using message
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Profile ID: LFUS-PAI-P-2286863

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