The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 15, 2022
Filed:
May. 27, 2020
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Yu-Chung Su, New Taipei, TW;
Chun-Cheng Ko, New Taipei, TW;
HON HAI PRECISION INDUSTRY CO., LTD., New Taipei, TW;
Abstract
A high-resolution imaging lens proofed against high-temperature instability includes a first lens with a negative power, a second lens with a negative power, a third lens with a positive power, a fourth lens with a negative power, a fifth lens with a positive power, and a sixth lens with a positive power. The first to the sixth lenses satisfy conditions of F1<0; 0.8>|F2/F6|>0.6, F2<0, F6>0; −3>F4/F5>−2, and 2.0<F/#. Each of the first lens, the third lens, the fourth lens, and the fifth lens is made of glass, each of the second lens and the sixth lens is made of plastic.