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. 25, 2015
Filed:
Oct. 29, 2013
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Hung-Tsan Shen, New Taipei, TW;
HON HAI PRECISION INDUSTRY CO., LTD., New Taipei, TW;
Abstract
A lens module testing method includes the following steps: providing a lens module having a lens and a barrel; determining whether a modulation transfer function value of the lens is in a predetermined range; if not, separating the lens and the barrel, and forming a first coating layer and a second coating layer on the lens to obtain a coated lens having a number of dots; capturing a first image of the coated lens; placing the coated lens in the barrel to obtain the lens module, and capturing a second image of the coated lens; randomly choosing one dot from the dots, and determining an actual moving distance of the chosen dot using a 3D-Digital Image Correlation according to the first image and the second image; adjusting a size of the lens according to the actual moving distance; and displaying the adjusted size of the lens to a user.