Owner MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Inventors FUJIUNE, Kenji; YAMADA, Shinichi; KUZE, Yuuichi; ISHIBASHI, Hiromichi; WATANABE, Katsuya

Pub. Number AU-A-2002233661

PCT Pub. Number WO2002/067250

Priority 2001-046057 22.02.01 JP; 2001-128872 26.04.01 JP

Filing date 20 February 2002

Wipo publication date 4 September 2002

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