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US 4,854,688 AGranted
Optical arrangement
AssigneeHoneywell Inc.
InventorsMichael J. Hayford, Donald G. Koch
Life of this patent
Estimating the term…
Abstract
A compact optical arrangement for transfer of large field of view images to the pupil of a viewer, said optical arrangement including a cooperative collimator/combiner and ball lens, wherein the ball lens is positioned at the location of the image of said pupil formed by said collimator/combiner.
Claims10
An optical arrangement with a folded optical path, said optical arrangement comprising:
- means for producing an intermediate image at a selected location along said optical path, and means for folding said optical path at said selected location, said means for folding comprising a reflective flat surface and a spherical lens surface substantially centered about said selected location.
Dependencies are inferred from the claim text.