RECOVERY OF LOST TRACK FOCUSING ON AN OPTICAL DISC
摘要
<p>A method for restoring focusing of a laser beam on a track of an optical disc for reading or writing data from/to the track when the focusing of said beam onto said track has been lost, wherein two categories, A and B, of focus lost causes are defined, A being due to an external shock and B due to other reasons and wherein a focus re-capture is performed with the use of focus control information stored in a memory only for a category B focus lost.</p>
申请公布号
WO2006038138(A1)
申请公布日期
2006.04.13
申请号
WO2005IB53119
申请日期
2005.09.22
申请人
KONINKLIJKE PHILIPS ELECTRONICS N.V.;RAAYMAKERS, JEROEN, A., L., J.;VAN DER MAADEN, MARTIJN;GEUSENS, STEFAN
发明人
RAAYMAKERS, JEROEN, A., L., J.;VAN DER MAADEN, MARTIJN;GEUSENS, STEFAN