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

Seiji Takenaka

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Floppy disk apparatus

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate

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Floppy disk control circuit and floppy disk apparatus

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

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Profile ID: LFUS-PAI-P-2938732

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