Granted Patent
Utility
US 5,157,558 · App. 07/565,056
Video recording unit featuring switching logic means for generating phase shifting matrix groups
Inventor:
Gerd Reime
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Aug 9, 1990
Inventor
Gerd Reime
Assignee (at issue)
Nokia Unterhaltungselektronik GmbH
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.