Variable power fluid lens

Details Variable power fluid lens Variable power fluid lens

1998-03-26

1999-10-26

Epps, Georgia

Optical: systems and elements

Lens

Fluid

359665, G02B 106, G02B 312

Patent

active

059738529

ABSTRACT:
A fluid filled variable power optical lens is described that includes a substantially tubular shaped housing having in one embodiment an optically transparent elastic membrane disposed over one end thereof and a transparent plate over the second end thereof and defining a chamber for containing an optically transparent fluid and in another embodiment an optically transparent elastic membrane disposed over each end thereof and defining a chamber containing the fluid, and pump assembly for inserting or withdrawing fluid from the chamber whereby each membrane is correspondingly selectively bulged outwardly or inwardly in the shape of a convex or concave lens.

REFERENCES:
patent: 2836101 (1958-05-01), De Swart
patent: 4834512 (1989-05-01), Austin
"Optical Physics," Max Garbuny, Academic Press, NY, pp. 1-6; 280-282. (Cited Spec. p. 2), 1965.
"Fundamentals of Optics," Jenkins and White, 3d Ed., McGraw-Hill, NY, Chap. 4. (Cited Spec. p. 5), 1957.
"Applied Photographic Optics, Second Edition," Ray, Sidney F., Focal Press, Oxford, England, p. 99, 1997.

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