Owner KONINKLIJKE PHILIPS ELECTRONICS N.V.

Inventors ROSMALEN, Gerard, E.

Pub. Number AU-A-2003249516

PCT Number PCT/IB03/03287

PCT Pub. Number WO2004/027766

Priority 02078881.6 19.09.02 EP

Filing date 8 August 2003

Wipo publication date 8 April 2004

G11B 007/08 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Disposition or mounting of heads or light sources relatively to record carriers

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