Granted Patent
Utility
US 6,577,747 · App. 09/806,796
Detection of auxiliary data in an information signal
Inventors:
Antonius Kalker, Jaap Haitsma
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Apr 4, 2001
Inventors
Antonius Kalker
Jaap Haitsma
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.