SECURITY SYSTEM USING OPTICAL INFORMATION RECORDING MEDIUM

Details for Australian Patent Application No. 2003202502 (hide)

Owner FUJITSU LIMITED

Inventors AOYAMA, Nobuhide; AKIYAMA, Ryota; MORIMOTO, Yasuaki

Pub. Number AU-A-2003202502

PCT Number PCT/JP03/00144

PCT Pub. Number WO2003/060911

Priority PCT/JP02/00160 11.01.02 JP

Filing date 10 January 2003

Wipo publication date 30 July 2003

International Classifications

G11B 020/10 Signal processing not specific to the method of recording or reproducing - Digital recording or reproducing

G06F 012/14 Accessing, addressing or allocating within memory systems or architectures - Protection against unauthorised use of memory

G11B 007/30 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power

G11B 011/105 Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group

Event Publications

10 April 2003 Complete Application Filed

  Priority application(s): PCT/JP02/00160 11.01.02 JP

4 September 2003 Application Open to Public Inspection

  Published as AU-A-2003202502

30 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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