4. Dynamic information storage or retrieval
  5. Simultaneous diverse types of storage or retrieval

Hiromu Hirai

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Apparatus for limiting acceleration in a servosystem

Electricity: motive power systems – Positional servo systems – With protective or reliability increasing features
Patent

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Controller for optical scanner

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate

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Disk apparatus and its control method

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

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Disk drive and method of controlling the same

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

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Disk system with sub-actuators for fine head displacement

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent

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Profile ID: LFUS-PAI-P-165754

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