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Sony Disc Technology Inc.
| Sony Disc Technology Inc. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100220571 | Optical disc medium and data recording method and apparatus - An optical disc medium and corresponding optical recording method and optical recording apparatus. The optical disc medium comprises a substrate on which a shape according to modulated information data has been formed, and a coating film formed on the substrate. Known data is recorded in a predetermined location of the information data, with the known data being rewritten as postscript information by recording a postscript portion to the coating film to alter a portion of the known data, wherein the postscript information comprises readable non-error data. | 09-02-2010 |