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US 9,071,121 B2Granted
Linear vibrator
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorJun Kun Choi
Life of this patent
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Abstract
A linear vibrator including: a fixing unit having a magnet in an inner space, the magnet generating magnetic force; a vibration unit including a coil disposed to face the magnet and generating electromagnetic force by interaction with the magnet, and a holder coupled with a surface of the coil and fixedly supporting a mass body which vibrates; and an elastic member coupled with the holder and the fixing unit and providing elastic force to the vibration unit.
Claims9
A linear vibrator comprising:
- a fixing unit having a magnet in an inner space, the magnet generating magnetic force;
- a vibration unit including a coil disposed to face the magnet and generating electromagnetic force by interaction with the magnet, and a holder coupled with a surface of the coil and fixedly supporting a mass body that is configured to vibrate;
- and
- an elastic member coupled with the holder and the fixing unit and providing elastic force to the vibration unit,
- wherein the elastic member and the holder are formed of a same material and the elastic member is coupled with the holder by welding.
2 more elements
Dependencies are inferred from the claim text.