Patent ID: 6191809
Filing Date: 2001-02-20
Classification: A61B,G02B,H04N

Abstract:
A stereo endoscope or microscope comprising:an objective optical system for viewing an object and forming and transmitting first and second images of said object having a parallax between said first and second images;first and second imaging means coupled to said objective optical system for picking up said first and second images respectively and producing first and second output signals representative of said first and second images respectively;signal processing means for converting said first and second output signals to first and second video signals respectively;image-correcting means responsive to said first and second video signals for (a) comparing said first and second video signals to determine misalignment of said images relative to one another, and (b) modifying one or both of said video signals to correct for misalignment of said first and second images relative to one another; andan electronic display means responsive to the first and second video signal output of said image-correcting means for reproducing said first and second images and displaying said reproduced images either alternately or concurrently for viewing as a 3-D image.