Optical element driving mechanism
AssigneeTDK Taiwan Corp.
InventorsChao-Hsi Wang, Chao-Chang Hu, Chih-Wei Weng, Kuen-Wang Tsai
Life of this patent
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Abstract
An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, and a driving assembly. The fixed portion includes a limiting portion. The movable portion is movably disposed on the fixed portion and includes an optical element and a connecting assembly. The optical element has a main axis. The connecting assembly is connected to the optical element. The driving assembly is at least partially disposed on the fixed portion, wherein the limiting portion is used for limiting the range of motion of the movable portion relative to the fixed portion.
Claims20
An optical element driving mechanism, comprising:
- a fixed portion comprising a limiting portion;
- a movable portion movably disposed on the fixed portion and comprising:
- an optical element having a main axis;
- and
- a connecting assembly connected to the optical element;
- and
- a driving assembly at least partially disposed on the fixed portion, wherein the limiting portion is used for limiting a range of motion of the movable portion relative to the fixed portion,
- wherein the driving assembly comprises:
- a magnetic element;
- and
- a magnetic permeable element disposed in the magnetic element, wherein the main axis does not pass through the magnetic permeable element.
An optical element driving mechanism, comprising:
- a fixed portion comprising a limiting portion;
- a movable portion movably disposed on the fixed portion and comprising:
- an optical element having a main axis;
- and
- a connecting assembly connected to the optical element;
- a driving assembly at least partially disposed on the fixed portion, wherein the limiting portion is used for limiting a range of motion of the movable portion relative to the fixed portion;
- and
- a circuit at least partially embedded in the fixed portion.
Dependencies are inferred from the claim text.