Apparatus for aiming a gun

Details Apparatus for aiming a gun Apparatus for aiming a gun

1974-10-07

1976-04-20

Borchelt, Archie R.

Optics: measuring and testing

Fiducial instruments

Reticle lies outside viewing path

356252, G02B 2310

Patent

active

039515532

ABSTRACT:
A spherical lens has a surface whereon a dichroic coating reflects light of known wavelength, substantially all other light being transmitted therethrough. Within the focal plane of the surface at fixed locations are respective proximal ends of a plurality of fiber light pipes. The distal ends of the fiber pipes are respectively connected to light emitting diodes whereby each diode is associated with one of the locations. In response to light being provided by a first diode, from the location associated therewith a light image of a first proximal end is transmitted to a first small region on the surface. The image of the first proximal end is collimated at the first small region and reflected therefrom. In response to light being provided by a second diode, from the location associated therewith a light image of a second proximal end is transmitted to a second small region on the surface. The image of the second proximal end is collimated at the second small region and reflected therefrom.

REFERENCES:
patent: 3007051 (1961-10-01), Amara et al.
patent: 3211045 (1965-10-01), Gerhardt
patent: 3816005 (1974-06-01), Kirschner

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