Owner LG Electronics Inc.

Inventors Kim, Sung Dae; Park, Yong Cheol

Agent Freehills

Pub. Number AU-B-2004215870

PCT Pub. Number WO2004/077412

Priority 10-2003-0011830 25.02.03 KR; 10-2003-0011829 25.02.03 KR; 10-2003-0015634 13.03.03 KR

Filing date 25 February 2004

Wipo publication date 10 September 2004

Acceptance publication date 6 August 2009

G11B 7/24 (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 - Record carriers characterised by the selection of the material or by the structure or form

G11B 7/0037 (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 7/005 (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 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