Photographing indication device for microscopes

Details Photographing indication device for microscopes Photographing indication device for microscopes

1985-04-03

1987-02-17

Adams, Russell E.

354466, 3542891, G03B 1748

Patent

active

046435506

ABSTRACT:
A photographing indication device for microscopes comprising a transparent plate-shaped indication member arranged in the optical path of a microscope in such a manner that its surface including engraved indication lines is located at a position conjugate with the image surface of a photographing device, a plurality of light emitting means having different emission colors and arranged on the side of said indication member for illuminating said member, and control circuit equipped with variable resistor for glowing said light emitting means selectively and capable of controlling light intensity with variable resistor, thereby allowing said indication lines to be clearly distinguishable from an image to be observed and illuminated brightly and uniformly even during microscopy under the dark field illumination or reflecting fluorescence illumination.

REFERENCES:
patent: 3899791 (1975-08-01), Kerr
patent: 3903530 (1975-09-01), Taguchi et al.
patent: 4171896 (1979-10-01), Sato et al.
patent: 4255032 (1981-03-01), Matsumoto et al.

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