Granted Patent
Utility
US 6,788,349 · App. 09/832,803
Method and system for broadcasting a digital data signal within an analog TV signal using Orthogonal Frequency Division Multiplexing
Inventors:
Yiyan Wu, Alain Bergeron, Jean-Yves Chouinard
Patented Case
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Granted: Sep 7, 2004
Filed: Apr 12, 2001
Inventors
Yiyan Wu
Alain Bergeron
Jean-Yves Chouinard
Assignee (at issue)
HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATURAL RESOURCES
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.