Optical: systems and elements – Compound lens system – Microscope
Reexamination Certificate
2007-01-23
2007-01-23
Robinson, Mark A. (Department: 2872)
Optical: systems and elements
Compound lens system
Microscope
C359S363000, C359S379000
Reexamination Certificate
active
11042211
ABSTRACT:
A binocular stereoscopic observation apparatus includes an imaging section forming left and right images with parallax in at least two directions and an observing section in which the images with parallax are stereoscopically observed with a viewer's eyes. In this case, the imaging section has an imaging lens forming images of an object at imaging positions on each of left and right optical paths and i imaging positions on the optical axis of the imaging lens, satisfying the following conditions:in-line-formulae description="In-line Formulae" end="lead"?L(j−1)<Ljin-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?Ek=Lj−L(j−1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?Dd<Ekin-line-formulae description="In-line Formulae" end="tail"?where Ljis a distance, measured along the optical axis, from the imaging lens to the jth imaging position, Ek is a difference between distances, measured along the optical axis, from adjacent imaging positions to the imaging lens, and Dd is an image-side depth of an optical system of the imaging section. The observing section has an eyepiece optical system and i display devices on each of the left and right optical paths so that an image formed at the jth imaging position from the imaging lens on each optical path of the imaging section is displayed on the jth display device from the eyepiece optical system on a corresponding optical path, satisfying the following condition:in-line-formulae description="In-line Formulae" end="lead"?Mj<M(j−1)in-line-formulae description="In-line Formulae" end="tail"?where Mjis a distance, measured along the optical axis, from the eyepiece optical system to the jth display device. The observing section further has means for superimposing i displayed images on a viewer's pupil. Here, i is an integer of 2 or more and j is an integer satisfying conditions, 1≦j≦i and j≧2.
REFERENCES:
patent: 6525878 (2003-02-01), Takahashi
patent: 2004/0017607 (2004-01-01), Hauger et al.
patent: 2000-214413 (2000-08-01), None
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Kenyon & Kenyon LLP
Olympus Corporation
Robinson Mark A.
Stephens Scott
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