DIGITAL RIGHTS MANAGEMENT WITH ACCESS CONTROL USING PHYSICAL KEY

Details for Australian Patent Application No. 2002235246 (hide)

Owner MARGENT DEVELOPMENT, LLC

Inventors GIOBBI, John, J.

Pub. Number AU-A-2002235246

PCT Pub. Number WO2002/052853

Priority 09/750,487 27.12.00 US

Filing date 21 December 2001

Wipo publication date 8 July 2002

International Classifications

H04N 007/167 Television systems - Systems rendering the television signal unintelligible and subsequently intelligible

H04K 001/00 Secret communication

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

G06F 011/30 Error detection - Monitoring

H04L 009/00 Arrangements for secret or secure communication

Event Publications

23 January 2003 Application Open to Public Inspection

  Published as AU-A-2002235246

5 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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