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

Hiroshi Maejima

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Apparatus and method for controlling tape tension using accelera

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

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Booster circuit and voltage supply circuit

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate

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Booster circuit and voltage supply circuit

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate

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Information reading device for a multitrack storage device

Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of the amplifier
Patent

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Level shift circuit which improved the blake down voltage

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Amplitude control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-666143

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