Microscope provided with an objective lens focusing...

Details Microscope provided with an objective lens focusing... Microscope provided with an objective lens focusing...

2006-05-16

2006-05-16

Nguyen, Thong Q (Department: 2872)

Optical: systems and elements

Compound lens system

Microscope

C359S368000, C359S392000

Reexamination Certificate

active

07046437

ABSTRACT:
A microscope is provided which includes a frame main body having a base portion, an objective lens switching mechanism, a stage, and an ocular lens for observing a specimen image obtained with one of the objective lenses. A rough/fine motion focusing mechanism is disposed rearward of the stage, for moving the objective lens switching mechanism along the observation optical axis in rough motion and fine motion. A first rough motion handle and a first fine motion handle are provided near the rough/fine motion focusing mechanism, for operating the rough/fine motion focusing mechanism. A rough/fine motion focusing operation portion is provided for operating the rough/fine motion focusing mechanism and includes a second rough motion handle and a second fine motion handle provided near a front end of the base portion. And a linkage mechanism is provided for linking the rough/fine motion focusing mechanism with the rough/fine motion focusing operation portion.

REFERENCES:
patent: 2360268 (1944-10-01), Ott
patent: 4676608 (1987-06-01), Faubion
patent: 4712890 (1987-12-01), Dobner
patent: 5270855 (1993-12-01), Hasegawa
patent: 6094299 (2000-07-01), Schau et al.
patent: 6337766 (2002-01-01), Fujino
patent: 6437911 (2002-08-01), Hasegawa
patent: 6906858 (2005-06-01), Karaki et al.
patent: 6-40910 (1994-05-01), None
patent: 06-222276 (1994-08-01), None

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