OPTICAL HEAD, OPTICAL RECORDING MEDIUM RECORDING AND/OR REPRODUCING APPARATUS AND RECORDING AND/OR REPRODUCING METHOD USING THE OPTICAL HEAD

Details for Australian Patent Application No. 2002354221 (hide)

Owner SONY CORPORATION

Inventors TEZUKA, Masaru; INOUE, Naoki; HASHIMOTO, Kunika; NISHI, Noriaki

Pub. Number AU-A-2002354221

PCT Number PCT/JP02/13259

PCT Pub. Number WO2003/056552

Priority 2001-397679 27.12.01 JP

Filing date 18 December 2002

Wipo publication date 15 July 2003

International Classifications

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

G11B 007/004 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power

Event Publications

20 March 2003 Complete Application Filed

  Priority application(s): 2001-397679 27.12.01 JP

4 September 2003 Application Open to Public Inspection

  Published as AU-A-2002354221

16 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

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