Ophthalmologic photographing apparatus
AssigneeCanon Kabushiki Kaisha
InventorsSatoshi Aikawa, Hideyuki Ooban, Tomoyuki Iwanaga, Toshifumi Masaki
Life of this patent
Estimating the term…
Loading patent…
AssigneeCanon Kabushiki Kaisha
InventorsSatoshi Aikawa, Hideyuki Ooban, Tomoyuki Iwanaga, Toshifumi Masaki
Estimating the term…
When an observation state by an infrared LED 10 is changed to a photographing state by a xenon lamp 3, a movable mirror 16 is pulled upward and an optical path is switched to an image sensor 17 side. A light guide 22a is shifted by an alignment index drive motor 23 so that an incident portion of an alignment index is shifted from a visible LED 22b to direct to an infrared LED 22c. An outgoing portion of the light guide 22a is set at a position where an image is formed on the image sensor 17 by a wavelength of the infrared LED 22c when an operation distance is appropriate. While changing a luminescent color, a position of a luminescent point of the alignment index is changed by switching the LED by the shift of the light guide 22a.
An ocular fundus observation apparatus comprising:
Dependencies are inferred from the claim text.