Lens driving apparatus
AssigneeTDK Taiwan Corp.
InventorsChao-Chang HU, Fu-Yuan WU, Yi-Lang CHAN
Life of this patent
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Abstract
A lens driving apparatus with a lens portion having at least one lens, a base portion on which an image sensor detecting light coming through said lens portion can be fixed, a driving portion capable of relatively moving said lens portion in a vertical direction to a light axis of said lens portion and in a parallel direction to the light axis of said lens portion with respect to said base portion, and at least three suspension wires connecting a focus portion including said lens portion and said base portion so as to allow a relative movement. The suspension wires are arranged outside a magnet of said driving portion along the vertical direction to the light axis.
Claims7
A lens driving apparatus comprising:
- a lens portion having at least one lens,
- a rectangular movable portion including the lens portion,
- a fixing portion including a circuit board capable of supplying electricity to the movable portion,
- a first driving portion configured to move the movable portion relatively to the fixing portion along a vertical direction to a light axis,
- a second driving portion configured to move the lens portion relatively to the fixing portion along the light axis, and
- a supporting portion connecting the movable portion and the fixing portion so as to allow a relative movement of the movable portion and the fixing portion to the vertical direction to the light axis, wherein
- a magnet attached to the movable portion is arranged at a corner of the movable portion, and
- the circuit board in the fixing portion is electrically connected to a coil of the second driving portion through the supporting portion.
Dependencies are inferred from the claim text.