Linear vibration actuator with electromagnet
AssigneeMplus Co., Ltd.
InventorsTae Hoon Lee, Yeon Ho Son, Yong Jin Kim, Su Young Jung
Life of this patent
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Abstract
A linear vibration actuator includes: a casing and a bracket coupled to each other to form an internal space thereof; a centering yoke located on the center of the casing or bracket; a coil fitted to the centering yoke; a vibration yoke located in the internal space in such a manner as to be vibrated by the magnetic force generated from the centering yoke; an elastic member whose one end is fixed to the casing or bracket and the other end supports the vibration yoke to provide an elastic force; and a printed circuit board for supplying a power source to the coil.
Claims11
A linear vibration actuator comprising:
- a casing and a bracket coupled to each other to form an internal space thereof;
- a centering yoke located on the center of the casing or bracket;
- a coil fitted to the centering yoke;
- a vibration yoke located in the internal space in such a manner as to be vibrated by the magnetic force generated from the centering yoke;
- an elastic member whose one end is fixed to the casing or bracket and the other end supports the vibration yoke to provide an elastic force;
- and
- a printed circuit board for supplying a power source to the coil.
Dependencies are inferred from the claim text.