Granted Patent
Utility
US 4,414,573 · App. 06/252,108
Pattern recognition circuit for reliably distinguishing between different portions of a diascope pattern during video camera setup
Inventors:
Karl H. Griesshaber, Charles A. Bialo
Patented Case
View Patent ↗
Granted: Nov 8, 1983
Filed: Apr 8, 1981
Inventors
Karl H. Griesshaber
Charles A. Bialo
Assignee (at issue)
Ampex 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.