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US 8,542,452 B2Granted
Voice coil motor and lens module
AssigneeHon Hai Precision Industry Co., Ltd.
InventorTai-Hsu Chou
Life of this patent
Estimating the term…
Abstract
A voice coil motor (VCM) includes a case, a lens holder, a spring sheet, a coil, a magnet assembly, and a guiding ring. The case includes an inner surface. The lens holder is received in the case. The spring sheet is connected between the case and the lens holder. The coil circles around the lens holder. The magnet assembly is positioned on the inner surface of the case. The guiding ring defines a guiding hole and is positioned on the inner surface of the case, and one end of the lens holder is received in the guiding hole.
Claims12
A voice coil motor (VCM), comprising:
- a case comprising an inner surface;
- the case comprising an upper plate and four sidewalls perpendicularly extending downward from four peripheral edges of the upper plate;
- the upper plate comprising a bottom surface and a plurality of first positioning poles extending downward from the bottom surface;
- a lens holder received in the case;
- the lens holder comprising an upper surface facing the bottom surface and a plurality of second positioning poles extending upward from the upper surface;
- a spring sheet connected between the first positioning poles and the second positioning poles;
- a coil;
- a magnet assembly, wherein one of the coil and the magnet assembly is positioned on and circles around the lens holder, the other of the coil and the magnet assembly is positioned on the inner surface of the case;
- and
- a guiding ring defining a guiding hole and being positioned on the inner surface of the case, one end of the lens holder being received in the guiding hole.
7 more elements
A lens module, comprising:
- a case comprising an inner surface;
- the case comprising an upper plate and four sidewalls perpendicularly extending downward from four peripheral edges of the upper plate;
- the upper plate comprising a bottom surface and a plurality of first positioning poles extending downward from the bottom surface;
- a lens holder received in the case;
- the lens holder comprising an upper surface facing the bottom surface and a plurality of second positioning poles extending upward from the upper surface;
- a spring sheet connected between the first positioning poles and the second positioning poles;
- a coil;
- a magnet assembly, wherein one of the coil and the magnet assembly is positioned on and circles around the lens holder, and the other of the coil and the magnet assembly is positioned on the inner surface of the case;
- a guiding ring defining a guiding hole and being positioned on the inner surface of the case, one end of the lens holder receiving in the guiding hole;
- a lens barrel received in the lens holder;
- lenses received in the lens barrel;
- and
- an image sensor optically aligned with the lenses.
10 more elements
Dependencies are inferred from the claim text.