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

Kyoung-whan Oh

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Apparatus and method compensating recurring false speed...

Electricity: motive power systems – Synchronous motor systems – Brushless motor closed-loop control
Reexamination Certificate

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Method and apparatus for driving spindle motor using...

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

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Method, medium, and apparatus controlling current gain...

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Running-speed control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3132178

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