Imaging device having flexible liquid-filled film lens

Details Imaging device having flexible liquid-filled film lens Imaging device having flexible liquid-filled film lens

1997-02-21

1999-06-29

Epps, Georgia

Optical: systems and elements

Lens

Microscope objective

359665, 359462, G02B 2102

Patent

active

059176571

ABSTRACT:
A camera includes a device for variably focusing and condensing an image on an optical light. The camera includes a lens in which a clear liquid is disposed between opposing transparent elastic films. Pressure is externally applied to one of the films at a predetermined position, thereby changing the ratio of curvature of the transparent elastic film. This changes the focal length of the lens, thereby producing an image wherein all positions are in focus due to the persistence of vision effect of human vision.

REFERENCES:
patent: 3493290 (1970-02-01), Traub
patent: 3632184 (1972-01-01), King
patent: 4802746 (1989-02-01), Baba et al.
patent: 4834512 (1989-05-01), Austin
patent: 5124842 (1992-06-01), Honda et al.
patent: 5148502 (1992-09-01), Tsujiuchi et al.
Shiraishi et al: Image Processing System for Expanding Depth of Focus of Optical Microscope-Composition of Expanded Depth of Focus Image and Three Dimensional Expression of Shape-vol. 60, No. 8, 1994, (See English abstract).

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