Granted Patent
Utility
US 6,424,683 · App. 09/625,217
Circuit for demodulating two-dimensional data symbols transmitted by a carrier-based data transmission
Inventor:
Peter Schöllhorn
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Jul 24, 2000
Inventor
Peter Schöllhorn
Assignee (at issue)
Infineon Technologies AG
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.