Single lens

Details Single lens Single lens

1993-12-02

1995-05-09

Ben, Loha

Optical: systems and elements

Lens

With graded refractive index

359718, 359739, G02B 302

Patent

active

054145600

ABSTRACT:
An optical device comprises a single lens of a meniscus-type lens whose index of refraction is distributed in a radial direction perpendicular to the optical axis thereof, and a diaphragm having an aperture and provided at the concave side of the meniscus-type lens, wherein the optical device satisfies following formulas,

REFERENCES:
patent: 3902792 (1975-09-01), Plummer
patent: 4812866 (1989-03-01), Ushiro et al.
patent: 5184251 (1993-02-01), Tsuchida et al.

Affiliated with

Also associated with

Rating

Single lens does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Single lens, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Single lens will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1710261