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:
Feb. 12, 2019
Filed:
Oct. 24, 2017
Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;
BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing, CN;
Abstract
The present disclosure relates to an autofocus testing device. The autofocus testing device includes a first focusing plate; a second focusing plate; a driver configured to drive at least one of a camera and the first and second focusing plates to aim a lens of the camera at the first and second plates in turn, wherein a first distance between the first focusing plate and the camera is different from a second distance between the second focusing plate and the camera; and a controller configured to obtain status information of the driver, determine whether the lens is aimed at one of the first and second focusing plates based on the status information, and control the camera to perform an autofocus image capture operation when the lens is aimed at one of the first and second focusing plates.