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In Ho Lee: Horizontal linear vibration device. In Ho LEE, Lemotron, June 9, 2011: US20110133577-A1

The present invention provides a horizontal vibration device which comprises an upper case in which a spring connector is formed in the inner surface thereof and a lower case which is coupled with the upper case to form an internal space, a movable unit including a mass which horizontally reciprocat ...


2
LEE IN HO: 선형진동기 (KO). LEMOTRON, Iam Patent Firm, April 14, 2011: WO/2011/043536

The present invention relates to a linear vibrator in which a permanent magnet, a coil unit, and a circuit board are arranged in a case, and a mass vibrates by means of the electromagnetic force acting between the coil unit and the permanent magnet when power is applied to the circuit board from an ...