Granted Patent
Utility
US 6,393,194 · App. 09/170,043
Magnetic recording and reproducing video signal in magnetic tape at video quality selectable from prescribed different qualities
Inventors:
Seiichi Mikami, Yasutoshi Matsuo
Patented Case
View Patent ↗
Granted: May 21, 2002
Filed: Oct 13, 1998
Inventors
Seiichi Mikami
Yasutoshi Matsuo
Assignee (at issue)
Victor Company of Japan, Ltd.
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.