Write gate timing for a servo bank

Dynamic magnetic information storage or retrieval – General recording or reproducing – Recording-or erasing-prevention

Reexamination Certificate

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Details

C360S051000, C360S046000, C360S048000, C360S075000

Reexamination Certificate

active

07092185

ABSTRACT:
A recording system records sector information on a recording medium, such as a hard disc drive, using a write gate signal. Timing of the write gate signal enables writing a servo data patterns over the servo wedge fields of the disc and, if the hard disc drive contains prior recorded data, writing null data over selected sector segments of the hard disc.

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