OPTICAL HEAD AND OPTICAL RECORDING/REPRODUCING DEVICE USING IT, AND ABERRATION CORRECTION METHOD

Details for Australian Patent Application No. 2002354119 (hide)

Owner MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Inventors WADA, Hidenori; KOMMA, Yoshiaki

Pub. Number AU-A-2002354119

PCT Number PCT/JP02/12884

PCT Pub. Number WO2003/075266

Priority 2002-056954 04.03.02 JP

Filing date 9 December 2002

Wipo publication date 16 September 2003

International Classifications

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 007/125 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Optical beam sources therefor

G11B 007/135 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Means for guiding the beam from source to record carrier or from record carrier to detector

Event Publications

20 March 2003 Complete Application Filed

  Priority application(s): 2002-056954 04.03.02 JP

23 October 2003 Application Open to Public Inspection

  Published as AU-A-2002354119

18 November 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2002354120-Pneumatic tire

2002354118-FENDER