Video display system for projecting an image on to a tilted scre

Television – Special applications – With endoscope

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348 77, 359443, 359513, 359823, H04N 718, A61B 100

Patent

active

055438326

ABSTRACT:
A method and apparatus for projecting an image of a surgical field along an optical path to intersect a display screen which is nonperpendicular to the optical path and adjacent the surgical field. A video projector projects the image along the optical path through a tilted projection optic or compensator, and mirrors locate the optical path adjacent the surgical field. A sterilizable display screen is located in the optical path adjacent the surgical field so that a normal to the screen is noncoincident with the optical path and the projected image on the screen is of constant focus across the screen.

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Newspaper Article, New York Times Jan. 24, 1993 A Closer Look at Inner Organs.

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