Granted Patent
Utility
US 6,463,103 · App. 09/657,769
Frame-based sign inversion method and system for spectral shaping for pulse-coded-modulation modems
Inventors:
Ping Dong, Kuo-Yu Lin
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Sep 8, 2000
Inventors
Ping Dong
Kuo-Yu Lin
Assignee (at issue)
ESS TECH, 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.