Granted Patent
Utility
US 6,606,593 · App. 09/371,332
Methods for generating comfort noise during discontinuous transmission
Inventors:
Kari Juhani Jarvinen, Pekka Kapanen, Vesa Ruoppila, Jani Rotola-Pukkila
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Aug 10, 1999
Inventors
Kari Juhani Jarvinen
Pekka Kapanen
Vesa Ruoppila
Jani Rotola-Pukkila
Assignee (at issue)
Nokia Mobile Phones Ltd.
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.