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Vibration motor

  • US 8,242,641 B2
  • Filed: 10/22/2009
  • Issued: 08/14/2012
  • Est. Priority Date: 10/22/2008
  • Status: Expired due to Fees
First Claim
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1. A vibration motor comprising:

  • a first resilient member and a second resilient member providing resilient forces in opposite directions;

    a first vibrator and a second vibrator coupled to the first resilient member and the second resilient member, respectively;

    a magnetic body coupled to the first vibrator to create a magnetic field; and

    a coil positioned in a region where the magnetic field is created, wherein the coil applies an alternating current of a predetermined frequency,wherein the first vibrator is coupled to a convex portion of the first resilient member.

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