Quadrant conical-lens microscope

Details Quadrant conical-lens microscope Quadrant conical-lens microscope

Filed on

1981-08-10

Date issued

1984-09-04

Examiner

Corbin, John K.

Other Related Categories

350432, 350507, G02B 1318, G02B 2100

Type

Patent

Status

active

Patent number

044694113

Description

ABSTRACT:
The disclosure is a microscope in which magnification is produced by multiple quadrant stages of conical lenses. Conical lenses receive and emit parallel rays of light, and they can be stacked vertically in series to produce multiple magnification which increases at an exponential rate and which extends into the hundreds of thousands and millions.
The rays emitted by the conical lens do not converge and cross as they do with the spherical lens, and there is no inverting of images. It is possible, therefore, to divide the lens into quadrants, that is, into four 90.degree. longitudinal sectors which are cemented together prior to grinding and then separated after grinding. The quadrants are mounted vertically in the microscopic tube to produce images of the same magnification as four whole lenses though in a field of view which is reduced in size to one fourth. Moreover, the quadrants can be rotated into and out of the line of vision, thereby making possible a number of magnification settings equal to the number of quadrants being used. A single-tube four-stage quadrant microscope with stage and eyepiece magnification of 5.times. will produce enlarged images of 5.times., 25.times., 125.times., 625.times. and 3125.times.. A double-tube, eight-stage quadrant microscope will produce the above enlarged images plus images of 15,625.times., 78,125.times., 390,625.times. (hypothetical) and 1,953,125.times. (hypothetical). The disclosure is the latter.

REFERENCES:
patent: 2034096 (1936-03-01), Hauser
patent: 4277148 (1981-07-01), Clegg

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