Granted Patent
Utility
US 6,487,148 · App. 09/368,544
Edge detection for servo signals in optical storage system
Inventor:
Yung-Chieh Hsieh
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Aug 4, 1999
Inventor
Yung-Chieh Hsieh
Assignee (at issue)
TeraStor 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.