4. Facsimile and static presentation processing
  5. Facsimile
  6. Recording apparatus

Macrovision Corporation

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Apparatus for inserting blanked formatted fingerprint data (sour

Television – Format – Including additional information
Patent

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Audio scrambling system using in-band carrier

Cryptography – Key management – Having particular key generator
Patent

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Controlling the downloading and recording of digital data

Information security – Prevention of unauthorized use of data including prevention... – Copy detection
Reexamination Certificate

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Copy protection for hybrid digital video tape recording and unpr

Dynamic magnetic information storage or retrieval – General recording or reproducing – Recording-or erasing-prevention
Patent

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Copy protection for optical discs

Information security – Prevention of unauthorized use of data including prevention... – Access control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-66283

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