| Patent Number |
Title Of Patent |
Date Issued |
| 7554748 |
Zoom lens system |
June 30, 2009 |
| An exemplary zoom lens system includes a negative first lens group and a positive second lens group. The first lens group includes a meniscus-shaped first lens with negative refracting power and a second lens with positive refracting power. The first lens has a concave surface facing |
| 7440154 |
Fourier transform lens system and holographic storage system using same |
October 21, 2008 |
| A Fourier transform lens system includes a first lens group having positive power, a second lens group having positive power, and a third lens group having negative power, all arranged on a common optical axis in that sequence. The first lens group includes a first positive meniscus |
| 7339752 |
Image pick-up lens system |
March 4, 2008 |
| An image pick-up lens system from an object side to an image side includes an aperture stop (10), and a meniscus-shaped lens (20) having a concave surface on the object side and a convex surface on the image side. The lens has at least one aspheric surface and a diffraction grating provi |
| 7321475 |
Image pick-up lens system |
January 22, 2008 |
| An image pick-up lens system includes an aperture stop (10), a biconvex first lens (20), and a meniscus-shaped second lens (30) having a concave surface on a side of an object. The aperture stop, the first lens and the second lens are aligned in that order from the object side to an imag |
| 7239458 |
Image pick-up lens system |
July 3, 2007 |
| An image pick-up lens system includes an aperture stop (10), a biconvex first lens (20), a second lens (30) having a concave surface on an object side, and a third lens (40) having a concave surface on an image side. The aperture stop (10), the first lens (20), the second lens (30) and t |
| 7212355 |
Image pick-up lens system |
May 1, 2007 |
| An image pick-up lens system includes an aperture stop (10), a biconvex first lens (20), and a meniscus-shaped second lens (30) having a concave surface on a side of an object. The aperture stop, the first lens and the second lens are aligned in that order from the object side to an imag |
| 7206141 |
Image pick-up lens system |
April 17, 2007 |
| An image pick-up lens system includes an aperture stop (10), a first lens (20), and a second lens (30) having a concave surface on an object side. The aperture stop, the first lens and the second lens are aligned in that order from the object side to an image side. The first lens has pos |
| 7199912 |
Fourier transform lens system and holographic storage system using same |
April 3, 2007 |
| A Fourier transform lens system includes: a first lens group having negative power and a second lens group having positive power disposed at one side of the first lens group with the first lens group and the second lens group being arranged on a common optical axis. The first lens group |
| 7180685 |
Image pick-up lens system |
February 20, 2007 |
| An image pick-up lens system includes an aperture stop (10), a biconvex first lens (20), and a meniscus-shaped second lens (30) having a concave surface on a side of an object. The aperture stop, the first lens and the second lens are aligned in that order from the object side to an imag |
