Disk drive and disk drive-containing device having...

Details Disk drive and disk drive-containing device having... Disk drive and disk drive-containing device having...

2006-01-24

2006-01-24

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

C360S073010, C360S071000

Reexamination Certificate

active

06989953

ABSTRACT:
A spindle motor in a disk drive is driven by a driving circuit that, upon receipt of a signal or command, selectively spins up the spindle motor according to a first spin up profile or according to a second spin up profile that is defined to provide a longer spin up time in comparison with the spin up time defined by the first spin up profile. The second spin up profile spins up the spindle motor in a longer period of time and/or generates less acoustic noise as compared to the first spin up profile.

REFERENCES:
patent: 6101065 (2000-08-01), Alfred et al.
patent: 6445531 (2002-09-01), Gaertner et al.
patent: 6710567 (2004-03-01), Heydt et al.
patent: 6757481 (2004-06-01), Nazarian et al.
patent: 6809545 (2004-10-01), Hotchkiss
patent: 2003/0161236 (2003-08-01), Wakui
patent: 2001202683 (2001-07-01), None
patent: 2002032952 (2002-01-01), None

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