Granted Patent
Utility
US 5,454,047 · App. 08/180,394
Optical method and system for generating expansion coefficients for an image processing function
Inventors:
David B. Chang, I-Fu Shih
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Jan 12, 1994
Inventors
David B. Chang
I-Fu Shih
Assignee (at issue)
Hughes Aircraft 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.