4. Dynamic magnetic information storage or retrieval
  5. Automatic control of a recorder mechanism
  6. Controlling the record

Seung-ryeol Choi

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Information security system for tracing the information outflow

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Protection at a particular protocol layer
Patent

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Total system for preventing information outflow from inside

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Security kernel or utility
Reexamination Certificate

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X-distance compensating circuit for adjusting head-switching tim

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent

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Profile ID: LFUS-PAI-P-519408

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