Granted Patent
Utility
US 6,140,791 · App. 09/329,255
Method and apparatus for controlling the acceleration trajectory of positioning a high-velocity transducer and for reducing the harmonic content thereof
Inventor:
Xiao Zhang
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Jun 10, 1999
Inventor
Xiao Zhang
Assignee (at issue)
Samsung Information Systems America, Inc.
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.