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:
Jul. 25, 2023
Filed:
Dec. 31, 2020
Jiangxi Lianyi Optics Co., Ltd, Nanchang, CN;
Binquan Deng, Nanchang, CN;
Xinyu Xiong, Nanchang, CN;
JIANGXI LIANYI OPTICS CO., LTD., Nanchang, CN;
Abstract
The disclosure provides a double barrels lens, a lens module, and an assembling method therefor. The double barrels lens includes a first barrel and a second barrel. The first barrel comprises a first end, a second end and a lens group. External screw threads are provided on an outer surface of the second end. The second barrel includes a first end surface, a second end surface and an inner surface with internal screw threads. The internal screw threads of the second barrel are engaged with the external screw threads of the first barrel. A distance H between an optical center of the lens group and the second end surface of the second barrel, a focal length f of the lens group, and a correction coefficient α meet the expression: H=f+α.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile