Granted Patent
Utility
US 6,166,875 · App. 09/067,168
Method of positionally controlling a recording/reproducing head so as to follow a rotational frequency component of a disk while eliminating a high order frequency component
Inventors:
Takahisa Ueno, Kazuhiko Takaishi
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Apr 27, 1998
Inventors
Takahisa Ueno
Kazuhiko Takaishi
Assignee (at issue)
Fujitsu Limited
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.