Stereo optical system pair for stereo endoscope system

Details Stereo optical system pair for stereo endoscope system Stereo optical system pair for stereo endoscope system

2005-05-24

2005-05-24

Schwartz, Jordan M. (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S432000, C359S462000, C600S111000, C600S166000, C600S168000

Reexamination Certificate

active

06898022

ABSTRACT:
An optical system pair for a stereo endoscope is described which enables adjustment of magnification matching in the production phase with low cost and small size for the resulting stereo endoscope products. The stereo optical systempair for stereo endoscope system includes a right optical system and a left optical system, wherein one of the right and left optical systems includes a lens group which has a refractive power, and which is designed to be moveable axially with a moveable range and has a position within the moveable range at which optical magnification equals to −1. Also described are optical arrangements of a stereo endoscope incorporating the stereo optical system pair.

REFERENCES:
patent: 4976522 (1990-12-01), Igarashi
patent: 5577991 (1996-11-01), Akui et al.
patent: 5776049 (1998-07-01), Takahashi
patent: 5933282 (1999-08-01), Tomioka et al.
patent: 6433937 (2002-08-01), Konno
patent: 6618205 (2003-09-01), Murayama

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