Biphase magnetic pattern detector using multiple matched...

Details Biphase magnetic pattern detector using multiple matched... Biphase magnetic pattern detector using multiple matched...

2007-04-17

2007-04-17

Wellington, Andrea (Department: 2627)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

C375S343000, C375S282000, C375S333000, C375S361000

Reexamination Certificate

active

10974075

ABSTRACT:
A hard disk drive (HDD) holds data using a biphase scheme. A plurality of matched filters are used to detect binary data represented by the biphase pattern without the need for synchronous sampling or equalization.

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“Analysis of a Biphase-Based Servo Format for Hard-Disk Drives”, K. Makinwa, J. Bermans and J. Voorman. IEEE Transaction on Magnetics, vol. 36, No. 6, pp. 4019-4027. Nov. 2000.

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