Microscope having a pipette device

Optical: systems and elements – Compound lens system – Microscope

Reexamination Certificate

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C359S387000

Reexamination Certificate

active

07092151

ABSTRACT:
A well plate holding a specimen to be observed is placed on a fixed stage, and the specimen is observed through an objective lens disposed below the well plate. A well set on the optical axis is illuminated through transmitted illumination provided by a transmitted illumination device. The transmitted illumination device includes a plurality of LEDs disposed to form a ring shape, and a through hole is formed further inward relative to the LEDs. When injecting a reagent into the well being observed, the reagent is drawn by using a head at a pipette device, and then the head is moved to a point above the well being observed through the hole formed at the transmitted illumination device.

REFERENCES:
patent: 3680947 (1972-08-01), Wanesky
patent: 4270838 (1981-06-01), Furusawa et al.
patent: 4367914 (1983-01-01), Mukasa
patent: 4749270 (1988-06-01), Endo et al.
patent: 4920053 (1990-04-01), Inoue et al.
patent: 5276324 (1994-01-01), Ohtaki et al.
patent: 5808790 (1998-09-01), Otaki et al.
patent: 6411433 (2002-06-01), Miyoshi
patent: 6621079 (2003-09-01), Shao et al.
patent: A 5-40009 (1993-02-01), None
patent: A 9-203864 (1997-08-01), None
patent: A 2001-117009 (2001-04-01), None

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