Optical: systems and elements – Compound lens system – Microscope
Patent
1994-05-24
1996-05-14
Nguyen, Thong Q.
Optical: systems and elements
Compound lens system
Microscope
359368, 359385, 359821, G02B 2106
Patent
active
055173535
ABSTRACT:
An illuminating apparatus for a microscope provided with a revolver capable of selecting one of a plurality of objective lenses and inserting it into an observation optical path comprises an illuminating light source for illuminating a sample, a power source for supplying electric power to the illuminating light source, and a control device responsive to the changeover of the revolver from one of the objective lenses to another to stop the supply of electric power to the illuminating light source.
REFERENCES:
patent: 4486078 (1984-12-01), Hashimoto et al.
patent: 4555620 (1985-11-01), Bridson et al.
patent: 4643540 (1987-02-01), Kawasaki et al.
patent: 4653878 (1987-03-01), Nakasato et al.
patent: 4725720 (1988-02-01), Sawada et al.
Ikoh Chikaya
Osaki Mikio
Nguyen Thong Q.
Nikon Corporation
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