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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.:

US 12237746 B1

PDFFull Text
Date of Patent:
Feb. 25, 2025

Filed:

Aug. 06, 2020

Lens driving device, camera module, and optical apparatus

Applicant:

Lg Innotek Co., Ltd., Seoul, KR;

Inventors:

Jung Cheol Kim, Seoul, KR;

Tae Bong Park, Seoul, KR;

Assignee:

LG INNOTEK CO., LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Wyatt A Stoffa

Assistant Examiner:

Grant A Gagnon

Int. Cl.
CPC ...
H02K 41/035 (2006.01); G01D 5/14 (2006.01); G02B 27/64 (2006.01); G03B 5/00 (2021.01); G03B 13/36 (2021.01); G03B 30/00 (2021.01); H04N 23/55 (2023.01); H04N 23/54 (2023.01);
U.S. Cl.
CPC ...
H02K 41/0354 (2013.01); G01D 5/145 (2013.01); G02B 27/646 (2013.01); G03B 5/00 (2013.01); G03B 30/00 (2021.01); H04N 23/55 (2023.01); G03B 2205/0007 (2013.01); G03B 2205/0069 (2013.01); H04N 23/54 (2023.01);
Abstract

The present embodiment relates to a lens driving device which includes: a substrate; a housing; a bobbin; a sensing coil; a first magnet; a second magnet; a third magnet; a dummy member; a first coil that includes a first coil unit and a second coil unit; and a first position sensor that is disposed on the substrate and corresponds to the sensing coil, wherein the first magnet and the second magnet are positioned on opposite sides from each other, the third magnet and the dummy member are positioned on opposite sides from each other, the sensing coil is provided with a driving signal, and the first position sensor senses the strength of the magnetic field of the sensing coil and outputs an output signal.

Find Patent Forward Citations

Kim, Jung. (2025). Lens driving device, camera module, and optical apparatus (U.S. Patent No. 12237746). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12237746

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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