Owner FUJITSU LIMITED

Inventors KANAOKA, Toshikazu

Pub. Number AU-A-2003261841

PCT Number PCT/JP03/11068

PCT Pub. Number WO2005/024803

Filing date 29 August 2003

Wipo publication date 29 March 2005

G11B 007/005 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 007/0045 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 007/09 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following

G11B 020/10 Signal processing not specific to the method of recording or reproducing - Digital recording or reproducing