Weapon aiming device having microlenses and display element

Details Weapon aiming device having microlenses and display element Weapon aiming device having microlenses and display element

1994-06-03

1995-01-31

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 41, 359 52, 359 53, 359 82, 42103, 33252, 235404, 235414, F41G 1100, G02F 113

Patent

active

053863089

ABSTRACT:
Material made up of a thin layer between two surfaces, a first and a second, to be used as the third layer of a transparent goggles face, the first layer being a screen and the second layer being a thickness layer, remarkable in that the material consists of a formable transparent polymer matrix having a refractive index and containing micro-cavities in the form of lenses, the micro-cavities being made from a transparent material different from that of the matrix, the refractive index of the material of the micro-cavities changing under the influence of an electric field applied across it, for a first field value the refractive index being equal to that of the matrix, and for a second field value being greater than that of the matrix, a pair of electrodes being associated with each micro-cavity.

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