Owner KONINKLIJKE PHILIPS ELECTRONICS N.V.

Inventors ROSMALEN, Gerard, E.

Pub. Number AU-A-2003258273

PCT Number PCT/IB03/00614

PCT Pub. Number WO2003/083849

Priority 02076224.1 29.03.02 EP

Filing date 17 February 2003

Wipo publication date 13 October 2003

G11B 007/085 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 into, or out of, its operative position

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