Method of sighting a firearm with a diffractive head up display

Details Method of sighting a firearm with a diffractive head up display Method of sighting a firearm with a diffractive head up display

2006-06-19

2008-11-25

Johnson, Stephen M (Department: 3641)

Firearms

Implements

Sight devices

Reexamination Certificate

active

07454860

ABSTRACT:
A head up display for firearms is provided, wherein a light valve is employed to create variable images in response to user input. The images from the light valve are entrained in an illuminating beam which intersects a diffractive optic. The diffractive optic includes a recorded infinite focal plane which is reconstructed by the illuminating beam, thereby displaying the image from the light valve at an infinite focal plane which is readily viewed be a user looking through the diffractive optic.

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