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US-2015381023-A1 · Dec 31, 2015 · US
Voice coil motor
US9190891B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9190891-B2 |
| Application number | US-201414457984-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 12, 2014 |
| Priority date | Jul 30, 2010 |
| Publication date | Nov 17, 2015 |
| Grant date | Nov 17, 2015 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a lens-accommodating, both ends opened cylindrical bobbin and a coil block including a coil wound on a periphery of the bobbin; a stator including a cylindrical yoke formed with a lens-exposing opening, a plurality of magnets disposed inside the yoke and opposite to the coil block, and a housing disposed inside the yoke to fix the plurality of magnets; and an elastic member elastically supporting the bobbin.
First claim
Opening claim text (preview).
What is claimed is: 1. A voice coil motor comprising: a base; a housing disposed on the base and including four grooves; four magnets disposed on four grooves of the housing; a bobbin including an opening at an upper surface; a coil arranged at a periphery of the bobbin and facing the magnet; an upper elastic member supporting an upper portion of the bobbin; a lower elastic member supporting a lower portion of the bobbin and including a first spring and a second spring…
Assignees
Inventors
Classifications
Electricity · mapped topic
Electricity · mapped topic
- H02K41/0356Primary
Electricity · mapped topic
- H02K41/035Primary
Electricity · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US9190891B2 cover?
- A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a lens-accommodating, both ends opened cylindrical bobbin and a coil block including a coil wound on a periphery of the bobbin; a stator including a cylindrical yoke formed with a lens-exposing opening, a plurality of magnets disposed inside the yoke and opposite to the coil block, and a housing disposed inside the yoke…
- Who is the assignee on this patent?
- Lg Innotek Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H02K41/0356. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).