Expanded information capacity for existing communication transmission systems

Details for Australian Patent Application No. 2003252849 (hide)

Owner Dotcast, Inc.

Inventors Ciciora, Walter S.; Dickinson, Robert V.; Hartson, Ted E.

Agent Pizzeys

Pub. Number AU-B-2003252849

Parent 762851

Filing date 8 October 2003

Wipo publication date 6 November 2003

Acceptance publication date 28 June 2007

International Classifications

H04N 5/40 (2006.01) Details of television systems

H03C 5/00 (2006.01) Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal

H04B 1/04 (2006.01) Details of transmission systems, not covered by a single one of groups - Circuits

H04N 5/44 (2006.01) Details of television systems - Receiver circuitry

H04N 7/08 (2006.01) Television systems - Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band

H04N 7/081 (2006.01) Television systems - the additional information signals being transmitted by means of a subcarrier

H04N 5/445 (2006.01) Details of television systems - for displaying additional information

Event Publications

23 October 2003 Complete Application Filed

6 November 2003 Application Open to Public Inspection

  Published as AU-B-2003252849

5 January 2006 Assignment before Grant

  Encamera Sciences Corporation The application has been assigned to Dotcast

19 January 2006 Corrigenda

  Assignments Before Grant, Section 113 - 2003 Under the name Dotcast, Application No. 2003252849, correct the new name to read Dotcast, Inc.

28 June 2007 Application Accepted

  Published as AU-B-2003252849

25 October 2007 Standard Patent Sealed

12 November 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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