Granted Patent
Utility
US 5,757,429 · App. 08/260,768
Automatic focusing apparatus which adjusts the speed of focusing based on a change in the rate of the focus evaluating value
Inventor:
Toshinobu Haruki
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Jun 16, 1994
Inventor
Toshinobu Haruki
Assignee (at issue)
SANYO ELECTRIC CO., LTD.
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.