Owner Pioneer Corporation

Inventors Muramatsu, Eiji; Taniguchi, Shoji

Agent Spruson & Ferguson

Pub. Number AU-B-2003242424

PCT Number PCT/JP03/06456

PCT Pub. Number WO2003/100775

Priority 2002-156453 29.05.02 JP

Filing date 23 May 2003

Wipo publication date 12 December 2003

Acceptance publication date 1 October 2009

G11B 7/004 (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 7/0045 (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

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 19/12 (2006.01) Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor - by sensing distinguishing features of records, e.g. diameter

G11B 20/10 (2006.01) Signal processing not specific to the method of recording or reproducing - Digital recording or reproducing

G11B 20/12 (2006.01) Signal processing not specific to the method of recording or reproducing - Formatting, e.g. arrangement of data block or words on the record carriers

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