Granted Patent
Utility
US 6,567,778 · App. 09/339,470
Natural language speech recognition using slot semantic confidence scores related to their word recognition confidence scores
Inventors:
Eric I Chao Chang, Eric Jackson
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jun 23, 1999
Inventors
Eric I Chao Chang
Eric Jackson
Assignee (at issue)
Nuance Communications, Inc.
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.