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US 2006/0152847 A1Published application
Optical disc drive with integral hard disk cache drive
OwnerEnrique Stiles, Richard Calderwoodinventors
Life of this patent
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Abstract
An optical disc drive including, in a separate sealed chamber, a magnetic disk drive which serves as a cache for the optical disc drive. The optical disc and the magnetic disk are carried on separate spindles which are non-coaxial. Optionally, the optical disc and the magnetic disk overlap.
Claims15
A disk drive comprising:
- a chassis;
- a sealed chamber within the chassis, and, within the sealed chamber,
- a first spindle coupled to the chassis,
- a first media platter coupled to the first spindle;
- and
- a first read/write head coupled to the chassis for accessing the first media platter;
- a second spindle, non-coaxial with the first spindle and external to the sealed chamber, for supporting at least one second media platter;
- a second read/write head coupled to the chassis for accessing the at least one second media platter.
5 more elements
An improvement in a standard sized computer optical disc drive which includes a chassis, an optical disc spindle coupled to the chassis, and an optical read/write head coupled to access an optical disc removably coupled to the spindle, wherein the improvement comprises:
- a sealed chamber within the chassis;
- a hard disk spindle coupled to the chassis within the sealed chamber;
- a magnetic recording platter coupled to the hard disk spindle within the sealed chamber;
- and
- a magnetic read/write head coupled within the sealed chamber to access the magnetic recording platter;
- wherein the improvement further comprises the magnetic recording platter configured to function as a cache for the optical disc.
3 more elements
Dependencies are inferred from the claim text.