Data storage device and control method therefor to prevent...

Details Data storage device and control method therefor to prevent... Data storage device and control method therefor to prevent...

2007-04-24

2007-04-24

Tzeng, Fred F. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

11063487

ABSTRACT:
Embodiments of the invention provide control of a disk data storage device to prevent off-track writing. In one embodiment, the SA acquires the CYLIDs and ADC Values generated from the SERVO SIGNALs acquired previously, and generates DACOUT which defines a driving current of the VCM driver. The SA monitors the DACOUT generated and determines whether the DACOUT is within a predefined range. If the DACOUT is outside the predefined range, data writing is inhibited. By monitoring the DACOUT, it is possible for the VCM driver to detect supply of an overcurrent to the VCM driver210beforehand, and off-track writing can thus be prevented.

REFERENCES:
patent: 4967293 (1990-10-01), Aruga et al.
patent: 5606468 (1997-02-01), Kodama
patent: 5612833 (1997-03-01), Yarmchuk et al.
patent: 5654840 (1997-08-01), Patton et al.
patent: 6101062 (2000-08-01), Jen et al.
patent: 2003/0035240 (2003-02-01), Takeuchi et al.
patent: 2004/0075929 (2004-04-01), Shimizu et al.
patent: 06-119730 (1994-04-01), None

Affiliated with

Also associated with

Rating

Data storage device and control method therefor to prevent... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Data storage device and control method therefor to prevent..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Data storage device and control method therefor to prevent... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3755019