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:
Aug. 16, 2022
Filed:
Jul. 24, 2019
Jiangxi Lianchuang Electronic Co., Ltd., Nanchang, CN;
JIANGXI LIANCHUANG ELECTRONIC CO., LTD., Nanchang, CN;
Abstract
The disclosure provides an ultra-wide-angle lens. From an object side to an imaging surface, the ultra-wide-angle lens sequentially includes a first group with a negative refractive power, a second group with a positive refractive power, a stop, a third group with a positive refractive power or negative refractive power, a fourth group with a positive refractive power and filter. The first group includes at least one negative refractive power lens, the second group sequentially includes a negative refractive power lens and a positive refractive power lens. The third group includes a positive refractive power lens and a negative refractive power lens, the positive refractive power lens of the third group and the negative refractive power lens of the third group being bonded together to form an integrated body. The fourth group includes at least one positive refractive power lens.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile