Patents by Inventor Dave Dal Farra

Dave Dal Farra has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7006617
    Abstract: A conferencing method not requiring additional or dedicated hardware in a processor controlled telephone terminal, nor requiring an external conference bridge, is provided by one of the terminals designating the conference, processing signals from two other conferees and delaying only two of the conferees active talkers at any given time. The two active conferees do not receive their own signal. An active conferee remains declared active during a dynamic hangover time, which varies between a minimum and a maximum corresponding to the activity time of the conferee.
    Type: Grant
    Filed: December 9, 1997
    Date of Patent: February 28, 2006
    Assignee: Nortel Networks Limited
    Inventors: Dave Dal Farra, Paul Smeulders