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. 08, 2017
Filed:
Jul. 30, 2015
Mediatek Inc., Hsin-Chu, TW;
Tun-Chieh Chang, New Taipei, TW;
Hung-Jen Chen, Hsinchu, TW;
MEDIATEK INC., Hsin-Chu, TW;
Abstract
A camera auto-focus apparatus includes a lens scan control circuit, a lens position compensation circuit, and a lens position decision circuit. During an auto-focus procedure, the lens scan control circuit controls movement of a lens according to a plurality of lens positions, and obtains a plurality of focus values corresponding to the lens positions respectively. The lens position compensation circuit determines a position compensation value according to the movement of the lens. The lens position decision circuit determines a focused lens position according to the position compensation value, the lens positions and the focus values.