Granted Patent
Utility
US 6,046,878 · App. 08/902,566
Object positioning using discrete sliding mode control with variable parameters
Inventors:
Zhiqiang Liu, Otis L. Funches, Randall D. Hampshire
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Jul 29, 1997
Inventors
Zhiqiang Liu
Otis L. Funches
Randall D. Hampshire
Assignee (at issue)
Seagate Technology LLC
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.