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US 12,493,160 B2Granted
Optical element driving mechanism
AssigneeTDK Taiwan Corp.
InventorsChao-Chang Hu, Liang-Ting Ho, Sin-Jhong Song
Life of this patent
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Abstract
An optical element driving mechanism includes a fixed portion, a movable portion, a moving portion, a first driving assembly and a second driving assembly. The movable portion is movable relative to the fixed portion. The moving portion is connected to an optical element having an optical axis, and is movable relative to the movable portion. The first driving assembly drives the movable portion to move relative to the fixed portion; and the second driving assembly drives the moving portion to move relative to the movable portion.
Claims18
An optical element driving mechanism comprising:
- a fixed portion;
- a moving portion, which is movable relative to the fixed portion, connected to an optical assembly having an optical axis;
- a movable portion, which is movable relative to the fixed portion, and the moving portion is movable relative to the movable portion;
- a driving portion, driving the moving portion to move relative to the fixed portion, wherein the driving portion comprises a first driving assembly and a second driving assembly, the first driving assembly drives the movable portion to move relative to the fixed portion, and the second driving assembly drives the moving portion to move relative to the fixed portion;
- a first elastic assembly having a first fixed connecting portion, fixedly connected to the fixed portion, wherein the moving portion is connected to the fixed portion via the first elastic assembly;
- and
- a second elastic assembly, having a second fixed connecting portion, fixedly connected to the fixed portion, wherein the moving portion is connected to the fixed portion via the second elastic assembly,
- wherein a first surface of the fixed portion connected to the first fixed connecting portion is faced to a direction, and a second surface of the fixed portion connected to the second fixed connecting portion is also faced to the direction.
5 more elements
Dependencies are inferred from the claim text.