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US 7,739,577 B2Granted
Data protection system
AssigneeInPhase Technologies, Inc.
InventorsTod R. Earhart, Mark Ayres, Will Loechel, Adrian Hill, Kenton Pharris, Kevin Curtis, William L. Wilson
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Abstract
The present invention provides systems and methods for logically organizing data for storage and recovery on a data storage medium using a multi-level format. The present invention also provides systems and methods for protecting data stored on data storage medium so that the data may be recovered without errors.
Claims10
An apparatus for storing holographic data comprising:
- a holographic data storage medium having holographic data stored thereon as a plurality of data pages in a multi-level logical format,
- wherein the plurality of data pages are organized into a plurality of chapters arranged in an anthology,
- wherein each data page of the plurality of data pages includes:
- a page header providing a physical address for the data page and a position of the data page within a chapter;
- page user data comprising the holographic data;
- and
- page error correction codes for allowing the data page to be recovered or reconstructed when the data page includes errors;
- and
- wherein the anthology includes:
- a plurality of data chapters;
- and
- a plurality of redundant chapters for allowing one or more of the plurality of chapters to be recovered or reconstructed when the anthology includes errors.
9 more elements
Dependencies are inferred from the claim text.