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Philips Assigned Patent

Multiple layer optical disc, and device for writing such disc

Koninklijke Philips N.V., Eindhoven, The Netherlands, has been assigned a patent (9,489,134) developed by Brondijk, Robert A., Middelbeers, The Netherlands, for a “multiple layer optical disc, and device for writing such disc.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method of operating a medium access device includes writing by a writer information in a logical storage space of a storage medium which has a physical storage space comprising two or more layers of physical storage locations, each storage location having a physical address, the logical storage space comprising storage locations within a first layer of the layers and within a subsequent layer of the layers, the storage locations in the logical storage space having contiguously numbered logical addresses, storing in an address limit memory at least a value for a parameter indicating a maximum value of the logical addresses of the storage locations in the first layer, and changing by a processor the maximum value in the address limit memory and to provide an output when the maximum value cannot be changed to avoid attempting changing the maximum value.

The patent application was filed on July 6, 2015 (14/791,940).

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