CA SYSTEM FOR BROADCAST DTV USING MULTIPLE KEYS FOR DIFFERENT SERVICE PROVIDERS AND SERVICE AREAS

Details for Australian Patent Application No. 2001296299 (hide)

Owner THOMSON LICENSING S.A.

Inventors ESKICIOGLU, Ahmet, Mursit; DUFFIELD, David, Jay; BEYERS, Billy, Wesley, Jr.; DEISS, Michael, Scott; VIRAG, David, Emery

Pub. Number AU-A-2001296299

PCT Pub. Number WO2003/043310

Filing date 25 September 2001

Wipo publication date 26 May 2003

International Classifications

H04N 005/00 Details of television systems

H04N 007/16 Television systems - Secrecy systems

Event Publications

24 July 2003 Application Open to Public Inspection

  Published as AU-A-2001296299

10 June 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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