US 12,481,204 B2
Lens device
Hsin-Hung Chen, New Taipei (TW)
Assigned to CHICONY ELECTRONICS CO., LTD., New Taipei (TW)
Filed by CHICONY ELECTRONICS CO., LTD., New Taipei (TW)
Filed on Feb. 14, 2024, as Appl. No. 18/441,684.
Claims priority of application No. 112110719 (TW), filed on Mar. 22, 2023.
Prior Publication US 2024/0319474 A1, Sep. 26, 2024
Int. Cl. G03B 11/04 (2021.01); G02B 7/02 (2021.01); G03B 9/30 (2021.01); G03B 17/12 (2021.01)
CPC G03B 11/043 (2013.01) [G02B 7/023 (2013.01); G03B 9/30 (2013.01); G03B 17/12 (2013.01); G03B 2217/002 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A lens device, comprising:
a main body, comprising a long axis direction, a first end, a second end, and a first side and a second side opposite to each other, wherein the first end and the second end are respectively located at two opposite ends in the long axis direction;
a positioning magnet group, disposed on the main body, the positioning magnet group comprising:
a first positioning magnet, close to the first end and the first side;
a second positioning magnet, close to the second end and the second side; and
a third positioning magnet, located between the first positioning magnet and the second positioning magnet, and close to the first side;
a shutter, movably disposed on the main body, the shutter comprising a third side and a fourth side opposite to each other, wherein the third side corresponds to the first side and the fourth side corresponds to the second side; and
a fixed magnet group, disposed on the shutter, the fixed magnet group comprising:
a first fixed magnet, close to the third side, the first fixed magnet attracting with the first positioning magnet and repelling with the third positioning magnet; and
a second fixed magnet, close to the fourth side, the second fixed magnet attracting with the second positioning magnet.