Patent №
US 4,848,899
Granted
1989-07-18
Filed 1986
Owner
TOKYO KOGAKU KIKAI KABUSHIKI KAISHA
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
06874665
A fixation sight apparatus for an ophthalmological instrument is disclosed. It has a unique arrangement including light source and mirrors for presenting a plurality of fixation mark images on a measuring optical axis. An eye to be tested selectively fixedly gazes at the most clearly sightable one among the plurality of fixation mark images according to the sight confirmation characteristic thereof.
AI classification
Ownership
TOKYO KOGAKU KIKAI KABUSHIKI KAISHA
assignment · 45950163
Assignors
KOBAYASHI, KATSUHIKO, TAKAHASHI, SUSUMU
On an employer assignment, the assignors are typically the inventors.