Patents by Inventor Dunwu ZUO

Dunwu ZUO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • ULTRA WIDE-ANGLE LARGE APERTURE LENS
    Publication number: 20180188481
    Abstract: An ultra wide-angle large-aperture lens sequentially comprises at least three parts from an object side to an image side: a first lens group G1, a second lens group G2, and a third lens group G3; when an object moves closer from infinity, the first lens group G1 is fixed, the second lens group G2 and the third lens group G3 move, to implement an ultra wide-angle microlens which is in focus and meets the following conditional expressions: 1.2?(|F12|+S)/LB?2.5(1); 0.8?(|F12|+S)/(tan ?×LB)?1.3(2).
    Type: Application
    Filed: November 4, 2016
    Publication date: July 5, 2018
    Inventor: Dunwu ZUO