Granted Patent
Utility
US 5,343,238 · App. 07/886,856
Wide-screen television receiver with aspect ratio conversion function and method of displaying a range to be magnified and displayed
Inventors:
Haruki Takata, Kenji Katsumata, Shigeru Hirahata, Mituo Konno, Kouichi Ishibashi, Sunao Suzuki
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: May 22, 1992
Inventors
Haruki Takata
Kenji Katsumata
Shigeru Hirahata
Mituo Konno
Kouichi Ishibashi
Sunao Suzuki
Assignees (at issue)
HITACHI, LTD.
Hitachi Video and Information Systems, 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.