Optical reticle projector

Details Optical reticle projector Optical reticle projector

1990-10-31

1992-09-22

Arnold, Bruce Y.

Optical: systems and elements

Compound lens system

Telescope

359900, G02B 2300

Patent

active

051502569

ABSTRACT:
An optical reticle projector which may be employed for astronomical data collection. The projector consists of a cylindrical housing having a radius from 0.5 to 4.0 inches; a source of radiation secured by the housing, the source of radiation capable of outputting a radiation beam along an optical axis defined with respect to the housing; an optical field element secured by the housing and positioned on the optical axis; a reticle having a predetermined geometry, and in operative association with the field element; and an imaging lens secured by the housing, positioned on the optical axis, and capable of imaging the reticle to infinity.

REFERENCES:
patent: 3994597 (1976-11-01), Calder et al.
patent: 4199220 (1980-04-01), Casagrande
patent: 4199257 (1980-04-01), Dosch et al.
patent: 4417814 (1983-11-01), Doliber
patent: 4658139 (1987-04-01), Bennan et al.
patent: 5107370 (1992-04-01), Dey
Stong, "A Refracting Telescope in which the Main Lens Consists of Only One Piece of Glass", Scientific American, vol. 198, No. 5, May 1958, pp. 130-132, 134, 136, 138.

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