Microscope

Details Microscope Microscope

2006-03-22

2008-10-21

Nguyen, Thong (Department: 2872)

Optical: systems and elements

Compound lens system

Microscope

C359S368000, C359S385000, C359S388000

Reexamination Certificate

active

07440184

ABSTRACT:
A microscope according to the present invention includes an illumination element changer capable of selectively inserting any of a bright field illumination element, a dark field illumination element, and a fluorescence illumination element into an optical axis of an objective, a field stop disposed on the optical axis and limiting a visual field of the objective, an aperture stop disposed on the optical axis and limiting a pupil area of the objective, a filter member disposed on the optical axis and limiting a given ultraviolet wavelength range or adjusting a light quantity of illumination light of an illumination light source, a rotation shaft rotating in response to the changing movement of the illumination element changer, and an interlocking mechanism that brings the aperture stop, the field stop and the filter member into respective setting conditions corresponding to the selected illumination element in response to the rotation of the rotation shaft.

REFERENCES:
patent: 4363532 (1982-12-01), Weber
patent: 5703714 (1997-12-01), Kojima
patent: 6384967 (2002-05-01), Watanabe et al.
patent: 6657781 (2003-12-01), Murakami et al.
patent: A-08-211295 (1996-08-01), None
patent: A-2001-125002 (2001-05-01), None
English Abstract of Japanese reference No. 8-211295.
English Abstract of Japanese reference No. 2001-125002.

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