Night sight with light diffraction pattern

Details Night sight with light diffraction pattern Night sight with light diffraction pattern

1984-12-27

1986-09-30

Little, Willis

Geometrical instruments

Straight-line light ray type

Multisight line

42100, F41G 132, F41G 1100

Patent

active

046140395

ABSTRACT:
A night sight assembly includes a backsight and a foresight. The foresight has a glowing portion, while the backsight is in the form of a diffraction grating.

REFERENCES:
patent: 1222620 (1917-04-01), Gaynor et al.
patent: 2553540 (1951-05-01), Beckerman
patent: 3439970 (1969-04-01), Rickert
patent: 3744133 (1973-07-01), Fukushima et al.
patent: 4215484 (1980-08-01), Lauffenburger
patent: 4434560 (1984-03-01), Comeyne
"Night Sight Based on Light Diffraction"-vol. 23, No. 19, Applied Optics-10/1/1984.

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