US 2013/0021895 A1 · MANUFACTURING METHOD FOR OPTICAL DISC, OPTICAL DISC, PLAYBACK METHOD FOR OPTICAL DISC, PLAYBACK APPARATUS FOR OPTICAL DISC, RECORDING APPARATUS FOR OPTICAL DISC

Abstract

Address information that has been error correction encoded is recorded on a second version of a recording medium after being transformed such that such that the address decoding cannot be performed by a playback device that is not compatible with the second version of the recording medium. The address decoding for the second version of the recording medium cannot be performed by the incompatible playback device (for example, a playback device that was manufactured to be compatible only with a first version of the recording medium). In other words, in the playback device that is not compatible with the second version of the recording medium, a state is created in which address errors cannot be corrected, so access is impossible (recording and playback are impossible).

Claims6

Dependent claims

A recording apparatus for a later generation optical disc comprising:

an encoder configured to encode original address information to form encoded original address information;
an inverting mechanism configured to invert a portion of said encoded original address information and form partially inverted encoded original address information, said portion being different than another portion of the encoded original address information that is inverted according to an earlier generation optical disc standard;
and
a recording mechanism configured to record said partially inverted encoded original address information on said later generation optical disc.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

13/629,811Filed 28 Sep 2012

Priority

JP 2009-11424111 May 2009

Published

24 Jan 2013

Term ends

Not estimatedThe source records don’t support an estimate.

Classification20 codes

G11B 7/007
Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the…:…
G11B 7/261
Apparatus or processes specially adapted for the manufacture of record carriers: preparing a master, e.g. exposing photoresist, electroforming
G11B 20/1217
Formatting, e.g. arrangement of data block or words on the record carriers: on discs
G11B 7/24082
Tracks: meandering

Manufacturing method for optical disc, optical disc, playback method for optical disc, playback apparatus for optical disc, recording apparatus for optical disc

Life of this patent

Manufacturing method for optical disc, optical disc, playback method for optical disc, playback apparatus for optical disc, recording apparatus for optical disc

Life of this patent

Abstract

Claims6