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Stereoscopic endoscope

  • US 5,976,071 A
  • Filed: 11/29/1995
  • Issued: 11/02/1999
  • Est. Priority Date: 11/29/1994
  • Status: Expired due to Fees
First Claim
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1. A stereoscopic endoscope comprising:

  • a single primary optical system for transmitting light, reflected by an object located near a first end of said single primary optical system, to a second end of said single primary optical system;

    a pupil dividing system that divides said light transmitted to an exit pupil of said single primary optical system into two light beams;

    a pair of secondary optical systems, each of said secondary optical systems comprising an imaging device, each of said secondary optical systems receiving one of said two light beams divided by said pupil dividing system and forming an image of said object on one of said imaging devices, wherein each of said imaging devices outputs an image signal;

    a system that adjusts a position of said pupil dividing system relative to an optical axis and the exit pupil of said primary optical system; and

    a system that detects a position of said pupil dividing system in accordance with each of said output image signals,wherein said pupil dividing system comprises two mirrors arranged perpendicular to each other, with each of said mirrors arranged at a 45°

    angle to an optical axis of said single primary optical system.

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