DISTORTIONLESS SIGHT UTILIZING HOLOGRAPHIC COMPONENTS
Assignee
TELECOMMUNICATIONS RADIOELECTRIQUES ET TELEPHONIQUES T.R.T.
Filed
Nov 16, 1984
Granted
Mar 15, 1988
Location
SCEAUX FR
Abstract
A sight comprises an image carrier (D) presenting an exit aperture (P3) and forming, from an observed image (I), an intermediate image (I') at the focus (F) of an ocular comprised of a spherical mirror (M) with the same optical axis (XX') as that of the image carrier (D), with a holographic beam deflection element (H) being placed at the focus (F) of the spherical mirror (M). In accordance with the invention, the intermediate image (I') is formed on the focal surface (S) of the ocular, and the holographic beam deflection element (H) is disposed on a support resting on the focal surface (S) and, in association with the spherical mirror (M), conjugates stigmatically the exit aperture (P3) of the image carrier (D) with the exit aperture (P1) of the sight.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Dec 16, 1985
Rescinded
Jan 12, 1987
Duration
1 year
Inventor
- 1FERNAND LOY
Record Details
- Patent number
- US 4730912
- Application
- 06700932
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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