US 12,216,330 B2
Actuator for driving reflector
Chul Soon Park, Cheongju-si (KR); In Soo Kang, Cheongju-si (KR); Je Seung Yeon, Cheongju-si (KR); Soo Young Yoon, Cheongju-si (KR); Jaeseon Lee, Cheongju-si (KR); and Hyeonik Cho, Daegu (KR)
Assigned to JAHWA ELECTRONICS CO., LTD., Cheongju-si (KR)
Filed by JAHWA ELECTRONICS CO., LTD., Cheongju-si (KR)
Filed on Nov. 21, 2023, as Appl. No. 18/515,316.
Application 18/515,316 is a continuation of application No. 17/195,735, filed on Mar. 9, 2021, granted, now 11,860,445.
Claims priority of application No. 10-2020-0122379 (KR), filed on Sep. 22, 2020; and application No. 10-2020-0126617 (KR), filed on Sep. 29, 2020.
Prior Publication US 2024/0085662 A1, Mar. 14, 2024
Int. Cl. G02B 7/182 (2021.01); G02B 7/18 (2021.01)
CPC G02B 7/1821 (2013.01) [G02B 7/1805 (2013.01)] 4 Claims
OG exemplary drawing
 
1. An actuator for driving a reflector, comprising:
a moving frame comprising the reflector configured to reflect or refract light to a lens;
a first support frame configured to provide a space for the moving frame to rotate;
a first rotation guide located between the moving frame and the first support frame and having an arc shape and comprising a plurality of guide rails or a plurality of holders; and
a first ball inside the first rotation guide;
wherein the plurality of guide rails or wherein the plurality of holders are located in a same first plane,
wherein a center of curvature of the first rotation guide coincides with a center of rotation of the reflector.