Owner LG Electronics Inc.

Inventors Park, Yong Cheol; Kim, Sung Dae

Agent Freehills

Pub. Number AU-B-2003265114

PCT Number PCT/KR03/02025

PCT Pub. Number WO2004/072963

Priority 10-2003-0023876 16.04.03 KR; 10-2003-0009895 17.02.03 KR

Filing date 1 October 2003

Wipo publication date 6 September 2004

Acceptance publication date 6 August 2009

G11B 7/007 (2006.01) Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Arrangement of the information on the record carrier, e.g. form of tracks

G11B 7/00 (2006.01) Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power

G11B 11/00 (2006.01) Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group

G11B 20/18 (2006.01) Signal processing not specific to the method of recording or reproducing - Error detection or correction

G11C 11/22 (2006.01) Digital stores characterised by the use of particular electric or magnetic storage elements - using ferroelectric elements