Granted Patent
Utility
US 5,130,821 · App. 07/509,271
Method and apparatus for digital halftoning employing density distribution for selection of a threshold template
Inventor:
Yee S. Ng
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Apr 16, 1990
Inventor
Yee S. Ng
Assignee (at issue)
EASTMAN KODAK COMPANY
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.