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:
Mar. 26, 2019
Filed:
Jul. 14, 2016
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Je Hyun Bang, Suwon-si, KR;
Byung Gi An, Suwon-si, KR;
Hoon Heo, Suwon-si, KR;
Shin Young Cheong, Suwon-si, KR;
Dae Hyun Jeong, Suwon-si, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 5/00 (2006.01); G02B 27/64 (2006.01); G03B 13/36 (2006.01);
U.S. Cl.
CPC ...
G02B 27/646 (2013.01); G03B 5/00 (2013.01); G03B 13/36 (2013.01); G03B 2205/0069 (2013.01);
Abstract
An actuator and a camera module including the same are provided. The actuator driving apparatus includes a detector configured to apply a reference signal to a driving coil of an actuator and detect a coil current flowing in the driving coil, a calculator configured to determine a position of a lens carrier based on the coil current, and a driver configured to drive the actuator based on the position of the lens carrier and a position control signal.