US 12,306,525 B2
Camera actuator
Sung Guk Lee, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 17/631,790
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed Jul. 28, 2020, PCT No. PCT/KR2020/009934
§ 371(c)(1), (2) Date Jan. 31, 2022,
PCT Pub. No. WO2021/020862, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 10-2019-0091859 (KR), filed on Jul. 29, 2019; and application No. 10-2019-0091928 (KR), filed on Jul. 29, 2019.
Prior Publication US 2022/0269146 A1, Aug. 25, 2022
Int. Cl. G03B 5/00 (2021.01); G02B 27/64 (2006.01); G03B 17/17 (2021.01); G03B 30/00 (2021.01); H04N 23/68 (2023.01)
CPC G03B 5/00 (2013.01) [G02B 27/646 (2013.01); G03B 17/17 (2013.01); G03B 30/00 (2021.01); H04N 23/685 (2023.01); H04N 23/686 (2023.01); G03B 2205/0007 (2013.01); G03B 2205/0023 (2013.01); G03B 2205/003 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A camera actuator comprising:
a housing;
a prism unit disposed in the housing;
a driving part tilting the prism unit; and
a moving plate disposed between the housing and the prism unit;
wherein the prism unit includes:
a prism mover including an accommodating part, and
a prism disposed in the accommodating part of the prism mover,
wherein a pulling magnet that generates attractive force together with the moving plate is disposed on the prism mover,
wherein the prism mover is tilted with respect to a rotation reference axis of the moving plate while being supported by the housing by the attractive force between the moving plate and the pulling magnet, and
wherein the moving plate is composed of a magnetic material.