Granted Patent
Utility
US 5,684,537 · App. 08/762,452
Method of calculating discrete cosine transform at high speed
Inventor:
Byung Ho Choi
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Dec 9, 1996
Inventor
Byung Ho Choi
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.