Patent Document ID: 4786154
Application ID: 06942257
Patent Status: 1

Claim One:
1. An improved operating microscope, comprising: optical means for defining a first optical path for a visible image of an object through said microscope from an object location to an eyepiece; and image enhancement apparatus, comprising: beamsplitter means located in said first optical path for splitting said visible image of said object into first and second portions; filter means, disposed in a second optical path connecting said beamsplitter means with an image formation means, for removing a part of said visible image from said first portion; image formation means for forming an image of the part of said first portion of the image not removed by said filter means, said image formation means and said beamsplitter means defining said second optical path; image enhancement means for enhancing the image formed by said image formation means; display means for displaying the enhanced image; and means for combining the displayed enhanced image with the second portion of the visible image and for permitting viewing of the combined images by way of said eyepiece means.