Compound optical system with image tilt compensation

Details Compound optical system with image tilt compensation Compound optical system with image tilt compensation

1974-06-26

1976-08-03

Rubin, David H.

350 8, 350 27, 350 55, G02B 1700

Patent

active

039725847

ABSTRACT:
An optical arrangement, particularly for ground-based flight simulating apparatus using an optical probe moving over a terrain model to provide a visual display of terrain overflown.
The optical arrangement provides a fully in-focus image on a television camera tube target which is inclined relatively to the plane of the terrain model.
The optical arrangement may equally be applied to a laser beam scanned terrain model.
The arrangement comprises first and second optical systems, usually lenses or lens combinations, and a deflecting means therebetween, usually lens, prism and mirror elements, producing a tilt of the in-focus image plane of the overall system.

REFERENCES:
patent: 2354614 (1944-07-01), Reason
patent: 3639034 (1972-02-01), La Russa
patent: 3655260 (1972-04-01), Bartucci et al.

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