Granted Patent
Utility
US 6,201,576 · App. 09/105,783
Apparatus and method for detecting an NTSC signal in an HDTV transmission signal
Inventors:
Kalavai Janardhan Raghunath, Marta M. Rambaud
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Jun 26, 1998
Inventors
Kalavai Janardhan Raghunath
Marta M. Rambaud
Assignee (at issue)
LUCENT TECHNOLOGIES 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.