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

Yong-Hoo Sheen

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Apparatus and method for authentication/copy protection of...

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

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Capstan phase control method for video cassette tape recorder

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-1152842

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