Photography – Body examination photography – Eye photography
Reexamination Certificate
1997-07-23
2001-10-16
Mahoney, Christopher E. (Department: 2851)
Photography
Body examination photography
Eye photography
Reexamination Certificate
active
06304723
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a retinal camera for use in ophthalmic hospitals or the like.
2. Related Background Art
A known retinal camera, in which a focusing light beam is not separated in a light-receiving system, has used a focusing light beam projection system having a movable portion and has therefore been complicated in construction.
SUMMARY OF THE INVENTION
This invention has as its object the provision of a retinal camera capable of effecting focus detection by a simple construction.
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