IPro, PLLC
Linear vibration motor
A linear vibration motor is disclosed. The linear vibration motor includes a housing; a vibrating unit in the housing, the vibrating unit including a magnet; a plurality of elastic members suspending the vibrating unit elastically in the housing; a drive coil positioned opposed to the magnet for driving the vibrating unit to vibrate along a first direction; a Hall sensor fixed on the housing and facing the magnet for detecting displacement of the vibrating unit along a direction vertical to the first direction; and a braking coil arranged on the housing and surrounding the Hall sensor for reacting upon the vibrating unit in accordance with the displacement detected by the Hall sensor in order to adjust the displacement of the vibrating unit vertical to the first direction.
AAC TECHNOLOGIES PTE. LTD.
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inventional inventional additional
Hongxing Yue Rongguan
Wang Chen Zhou