Image lens array

Details Image lens array Image lens array

2006-08-01

2006-08-01

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S792000

Reexamination Certificate

active

07085077

ABSTRACT:
An image lens array, from object side, comprises a first lens, an aperture, a second lens and a third lens. The first lens is a positive meniscus lens with a convex surface facing the object side; the second lens is positive meniscus lens with a convex surface facing the image side; the third lens is a positive meniscus lens with a convex surface facing the object side; and the first lens, the second lens and the third lens are made of the same plastic material, a focal length of the image lens array is f, a combined focal length of the first and second lenses is f12, a relation between the f and f12 can satisfy the equation: 1.0<f12/f<1.3.

REFERENCES:
patent: 6643072 (2003-11-01), Mihara

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