4. Communications: electrical
  5. Land vehicle alarms or indicators
  6. Internal alarm or indicator responsive to a condition of the...

Mark D. Hagen

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Disk drive employing a sync mark detector comprising a...

Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of biasing or erasing
Reexamination Certificate

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Disk drive for detecting a polarity error of a...

Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of biasing or erasing
Reexamination Certificate

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Disk drive having a sector clock that is synchronized to the...

Dynamic magnetic information storage or retrieval – General processing of a digital signal – Data clocking
Reexamination Certificate

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Disk drive having a write condition detector for suspending...

Dynamic magnetic information storage or retrieval – Monitoring or testing the progress of recording
Reexamination Certificate

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Disk drive servo control

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
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Profile ID: LFUS-PAI-P-592738

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