Revolving magnifying prisms

Details Revolving magnifying prisms Revolving magnifying prisms

1984-08-24

1986-08-05

Corbin, John K.

350286, 350433, G02B 504

Patent

active

046039392

ABSTRACT:
Two prisms comprising a lower stage of four cylindrical members which refract and enlarge a beam in one dimension, and comprising an upper stage of four identical cylindrical members revolved 90.degree. on the vertical axis so as to refract and enlarge the beam in the other dimension, thereby producing a magnified whole image of the object. The cylindrical members are longitudinal segments of hollow and whole cylinders, and each member has a planar face opposite a cylindrical face. Three of the members can be revolved so as to place the planar face at various angles to the beam and thereby produce a range of magnification from 0 to 50.times. when two stages are used and from 0 to 2500.times. when four stages are used.

REFERENCES:
patent: 2405960 (1946-08-01), Land
patent: 3253525 (1966-05-01), Merkel
patent: 3884548 (1975-05-01), Linder
patent: 4136926 (1979-01-01), Sigler
Optical Engineering, Jul./Aug. 1974, vol. 13, No. 4.
Xerox Disclosure Journal, vol. 6, No. 5, Sep.-Oct. 1981.

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