US 12,339,576 B2
Optical system
Shu-Shan Chen, Taoyuan (TW); Sin-Jhong Song, Taoyuan (TW); and Ko-Lun Chao, Taoyuan (TW)
Assigned to TDK TAIWAN CORP., Taoyuan (TW)
Filed by TDK TAIWAN CORP., Taoyuan (TW)
Filed on Aug. 13, 2021, as Appl. No. 17/401,455.
Claims priority of provisional application 63/065,865, filed on Aug. 14, 2020.
Prior Publication US 2022/0050297 A1, Feb. 17, 2022
Int. Cl. G03B 5/00 (2021.01); G02B 7/04 (2021.01); G02B 27/00 (2006.01); G02B 27/01 (2006.01); G02B 27/64 (2006.01); G02C 7/08 (2006.01); G02C 7/10 (2006.01); G03B 3/10 (2021.01); G03B 5/02 (2021.01); H04N 23/68 (2023.01)
CPC G03B 5/02 (2013.01) [G02B 7/04 (2013.01); G02B 27/0093 (2013.01); G02B 27/0172 (2013.01); G02B 27/646 (2013.01); G02C 7/088 (2013.01); G02C 7/10 (2013.01); G03B 3/10 (2013.01); H04N 23/68 (2023.01); G02B 2027/014 (2013.01); G02B 2027/0178 (2013.01); G03B 2205/0046 (2013.01); G03B 2205/0061 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An optical system, comprising:
a fixed portion; and
a first optical assembly, comprising:
a first movable portion used for holding a first optical element; and
a first driving assembly used for driving the first movable portion to move relative to the fixed portion, wherein the fixed portion comprises a first frame used for holding a second optical element and a second frame disposed on the first frame, the first movable portion is movable relative to the fixed portion, and an image is projected to the second optical element, the second frame is used for holding a third optical element, the third optical element is removable from the second frame; and
a reflect element disposed on the fixed portion and used for reflecting the image to the first optical element.