Granted Patent
Utility
US 5,521,394 · App. 08/319,104
Compact displacement detecting system with optical integrated circuit and connector in-line with optical axis
Inventors:
Noriko Nakanishi, Hidehiro Kume
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Oct 6, 1994
Inventors
Noriko Nakanishi
Hidehiro Kume
Assignee (at issue)
Sony Magnescale 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.