4. Dynamic information storage or retrieval
  5. Binary pulse train information signal
  6. Format arrangement processing for auxiliary information

Douglas M. Carson

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Copy protection through symbol substitution and induced errors

Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
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Data storage medium with improved multi-session recording...

Dynamic information storage or retrieval – Binary pulse train information signal – Format arrangement processing for auxiliary information
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Detection of a digital data fingerprint

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
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Hiding digital data in a digital audio or video carrier signal

Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
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Media authentication using altered sector sizes

Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
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