Acceleration disturbance detection subsystem for use with...

Details Acceleration disturbance detection subsystem for use with... Acceleration disturbance detection subsystem for use with...

2006-04-04

2006-04-04

Sniezek, Andrew L. (Department: 2651)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

C360S069000, C360S075000

Reexamination Certificate

active

07023640

ABSTRACT:
A disk drive comprising a first sensor mounted on a nominally stationary portion of the disk drive and adapted to detect acceleration disturbances of the disk drive. The disk drive further comprising: a dual-function subsystem having a first circuit adapted to provide a write-inhibit signal and a second circuit adapted to provide a feed-forward basis signal, the dual-function subsystem adapted to receive a first sensor signal from the first sensor and to provide (a) the write-inhibit signal based on the received first sensor signal and a first threshold value, and (b) the feed-forward basis signal based on the received first sensor signal.

REFERENCES:
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patent: 6407876 (2002-06-01), Yamaguchi et al.
patent: 6417979 (2002-07-01), Patton et al.
patent: 6429990 (2002-08-01), Serrano et al.
patent: 6721122 (2004-04-01), Aikawa et al.
patent: 2003/0218819 (2003-11-01), Sri-Jayantha et al.

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