Device for sharp-edge illumination of an observation field lying

Details Device for sharp-edge illumination of an observation field lying Device for sharp-edge illumination of an observation field lying

1983-02-25

1985-07-16

Davie, James W.

Illumination

Supported by vehicle structure

Condition responsive

350 9610, 350 9618, 350 9624, 350523, 362 32, G02B 516, G02B 726

Patent

active

045292647

ABSTRACT:
A device for sharp-edge uniform illumination of an observation field lying in a preselectable plane is adapted to utilize light from a remote source, via a flexible fiber-optic connection having a glass-rod termination for producing a uniformly illuminated light-exit surface. The glass rod is insertably connected to the device via clamping mechanism (9, 10) in such manner that its light-radiating surface is immediately adjacent to a diaphragm (7). In front of the diaphragm (7), a collector (2, 3) is fixedly positioned, to focus the diaphragm as a real image in the observation plane. The diaphragm (7) (together with the glass rod) is displaceable axially with respect to the collector (2, 3), thus enabling sharp adjustment for different distances from the observation plane.

REFERENCES:
patent: 3669524 (1972-06-01), Shio
patent: 4153333 (1979-05-01), Harada et al.
patent: 4215937 (1980-08-01), Borsuk
patent: 4234910 (1980-11-01), Price
patent: 4264122 (1981-04-01), Schmidt et al.
patent: 4363532 (1982-12-01), Weber
patent: 4365864 (1982-12-01), Cowley et al.
patent: 4415240 (1983-11-01), Nishioka et al.
Resua et al., Microscope (GB), vol. 28, No. 2, 1980, "Fiber Optics Illumination for Use in Dispersion Staining", pp. 51-5.

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