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. 26, 2022
Filed:
May. 09, 2019
Lg Innotek Co., Ltd., Seoul, KR;
Min Kim, Seoul, KR;
Jun Seok Oh, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
A camera module, according to one embodiment, comprises: a lens assembly; a lens driving unit for moving the lens assembly in the direction of the optical axis; a position sensor unit for detecting the position of the lens assembly; and a control unit for, on the basis of the position of the lens assembly detected by the position sensor unit, outputting, to the lens driving unit, a drive signal for moving the lens assembly to a target position, wherein the position sensor unit comprises a plurality of sensor units which have at least one output terminal connected with each other, an amplifier which is commonly connected with the plurality of sensor units, and an analog-digital converter which is connected to the amplifier.