Granted Patent
Utility
US 4,412,339 · App. 06/305,015
Zero-crossing interpolator to reduce isochronous distortion in a digital FSK modem
Inventors:
Peter H. Alfke, Michael K. Stauffer
Patented Case
View Patent ↗
Granted: Oct 25, 1983
Filed: Sep 24, 1981
Inventors
Peter H. Alfke
Michael K. Stauffer
Assignee (at issue)
Advanced Micro Devices, 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.