OBJECTIVE FOR OPTICAL PICKUP AND OPTICAL PICKUP USING THE OBJECTIVE

Details for Australian Patent Application No. 2002313254 (hide)

Owner SONY CORPORATION

Inventors HINENO, Satoshi

Pub. Number AU-A-2002313254

PCT Number PCT/JP02/06246

PCT Pub. Number WO2003/001270

Priority 2001-191447 25.06.01 JP

Filing date 21 June 2002

Wipo publication date 8 January 2003

International Classifications

G02B 013/00 Optical objectives specially designed for the purposes specified below

G02B 013/18 Optical objectives specially designed for the purposes specified below - with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration

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

2 January 2003 Complete Application Filed

  Priority application(s): 2001-191447 25.06.01 JP

19 June 2003 Application Open to Public Inspection

  Published as AU-A-2002313254

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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