Granted Patent
Utility
US 5,670,974 · App. 08/534,211
Energy recovery driver for a dot matrix AC plasma display panel with a parallel resonant circuit allowing power reduction
Inventors:
Masataka Ohba, Yoshio Sano
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Sep 26, 1995
Inventors
Masataka Ohba
Yoshio Sano
Assignee (at issue)
NEC CORPORATION
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.