Disk drive apparatus, electronic circuit for disk drive apparatus and powering method therefor
AssigneeKabushiki Kaisha Toshiba
InventorHiroshi Okamura
Life of this patent
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Abstract
According to one embodiment, a disk drive apparatus includes a disk having a plurality of tracks formed of approximately concentric patterns, a head slider reading and writing data from and to the disk, a motor driver configured to move the head slider to a target position on the disk, an electronic circuit configured to transfer the data to and from a host computer, and a power source configured to provide power to the electronic circuit based upon a position of the head slider.
Claims16
A disk drive apparatus comprising:
- a disk having a plurality of tracks formed of approximately concentric patterns;
- a head slider to read and write data from and to the disk;
- a motor driver configured to move the head slider to a target position on the disk;
- an electronic circuit configured to process read/write data in a read/write operation;
- and
- a power source configured to provide power to the electronic circuit based upon a data transfer rate for a position of the head slider.
An electronic circuit for a disk drive apparatus including a disk having a plurality of tracks formed of approximately concentric patterns and a head slider to read and write data from and to the disk, the electronic circuit comprising:
- a first circuit configured to process read/write data in a read/write operation;
- and
- a power source configured to provide power to the first circuit based upon a data transfer rate for a given position of the head slider.
A method of powering an electronic circuit for a disk drive apparatus including a disk having a plurality of tracks formed of approximately concentric patterns and a head slider reading and writing data from and to the disk, the method comprising:
- determining a target position of the head slider, the target position being related to a data transfer rate;
- and
- powering the electronic circuit based upon the target position.
Dependencies are inferred from the claim text.