Granted Patent
Utility
US 5,646,692 · App. 08/641,706
Device for transmitting a high definition digital picture signal for use by a lower definition picture signal receiver
Inventor:
Wilhelmus H. A. Bruls
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: May 2, 1996
Inventor
Wilhelmus H. A. Bruls
Assignee (at issue)
U.S. Philips 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.