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US 2014/0153374 A1Published application
Optical disc with pre-recorded and recordable regions and method of forming the disc
AssigneeThomson Licensing
InventorsJohn Matthew Town, Alan Bruce Hamersley, Holger Hofmann
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Abstract
An optical disc having a region with pre-recorded data and a recordable region, a method of fabricating the disc, a stamper for forming a disc master, and a recording device for use with the disc are disclosed. Data recorded in the recordable region may be used for activation of the disc, providing unique identification or enhancing program content on the disc.
Claims17
1-28. (canceled)
A recording device, comprising:
- a processor configured for executing a program having instructions for performing a method;
- the method comprises:
- retrieving information for identifying at least one recordable region of a disc by one of:
- accessing pre-recorded data on the disc, and accessing a database external to the disc;
- and
- directing a laser to write additional data to the at least one recordable region after disc manufacturing.
3 more elements
Dependencies are inferred from the claim text.