Granted Patent
Utility
US 5,657,089 · App. 08/539,060
Video signal processing device for sampling TV signals to produce digital data with interval control
Inventor:
Seiki Onagawa
Patented Case
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Granted: Aug 12, 1997
Filed: Oct 4, 1995
Inventor
Seiki Onagawa
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.