Digital signatures for digital television applications

Details for Australian Patent Application No. 2003246328 (hide)

Owner Microsoft Corporation

Inventors Heredia, Edwin A.

Agent Davies Collison Cave

Pub. Number AU-B-2003246328

Priority 10658077 09.09.03 US; 60417404 08.10.02 US

Filing date 16 September 2003

Wipo publication date 22 April 2004

Acceptance publication date 26 February 2009

International Classifications

G06F 12/00 (2006.01) Accessing, addressing or allocating within memory systems or architectures

G09C 1/00 (2006.01) Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system

H04L 9/32 (2006.01) Arrangements for secret or secure communication - including means for verifying the identity or authority of a user of the system

H04N 7/16 (2006.01) Television systems - Secrecy systems

Event Publications

2 October 2003 Complete Application Filed

  Priority application(s): 10658077 09.09.03 US; 60417404 08.10.02 US

27 November 2003 Amendment Made

  The nature of the amendment is: Add priority details 10658077 09 Sep 2003 US.

22 April 2004 Application Open to Public Inspection

  Published as AU-B-2003246328

26 February 2009 Application Accepted

  Published as AU-B-2003246328

25 June 2009 Standard Patent Sealed

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