Mobile device comprising a disk storage system protected by a motion detector
AssigneeWestern Digital Technologies, Inc.
InventorKeith R. Berding
Life of this patent
Estimating the term…
Abstract
A mobile device is disclosed comprising a disk storage system including a disk and a head actuated over the disk, wherein the disk comprises a data area. The mobile device further comprises a motion detector for detecting a relative velocity and distance of a foreign object with respect to the mobile device. When the motion detector detects an impending impact with the foreign object, retracting circuitry within the mobile device retracts the head away from the data area of the disk.
Claims54
A mobile device comprising:
- a disk storage system comprising a disk and a head actuated over the disk, the disk comprising a data area;
- a motion detector for detecting a relative velocity and distance of a foreign object with respect to the mobile-device;
- and
- a retracting circuit for retracting the head away from the data area of the disk when the motion detector detects an impending impact with the foreign object.
A mobile device comprising:
- a disk storage system comprising:
- a disk;
- a head actuated over the disk;
- and
- a preamp for applying a write current to the head during a write operation;
- and
- a motion detector for detecting a relative velocity and distance of a foreign object with respect to the mobile device, and for disabling the write current when an impending impact with the foreign object is detected.
A method of operating a mobile device, the mobile device comprising a disk storage system comprising a disk and a head actuated over the disk, the disk comprising a data area, the method comprising the steps of:
- detecting a relative velocity and distance of a foreign object with respect to the mobile device;
- and
- retracting the head away from the data area of the disk when an impending impact with the foreign object is detected.
A method of operating a mobile device, the mobile device comprising a disk storage system comprising a disk and a head actuated over the disk, wherein a write current is applied to the head during a write operation, the method comprising the steps of:
- detecting a relative velocity and distance of a foreign object with respect to the mobile device;
- and
- disabling the write current when an impending impact with the foreign object is detected.
Dependencies are inferred from the claim text.