Disk drive

Details Disk drive Disk drive

2005-08-16

2005-08-16

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

C360S075000

Reexamination Certificate

active

06930843

ABSTRACT:
There is disclosed a disk drive provided with a function of suspending a read/write operation in the case where the magnetic field of the magnetic disturbance out of the predetermined range is generated. The disk drive has a head writing data to the disk, a sensor detecting a magnetic field with respect to the disk drive, and an actuator unloading the head from the surface of the disk to a retracting position outside of the disk when the detected magnetic field is out of a predetermined range.

REFERENCES:
patent: 5831786 (1998-11-01), Boutaghou et al.
patent: 6019503 (2000-02-01), Abraham et al.
patent: 6172836 (2001-01-01), Bang
patent: 6270885 (2001-08-01), Hokkyo et al.
patent: 6295175 (2001-09-01), Tomita et al.
patent: 3-44809 (1991-02-01), None
patent: 4-137209 (1992-05-01), None
patent: 2000-90424 (2000-03-01), None
JP11213525 A, Patent Abstracts of Japan, Aug. 6, 1999.

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