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LINEAR VIBRATOR

  • US 20130241322A1
  • Filed: 03/14/2013
  • Published: 09/19/2013
  • Est. Priority Date: 03/16/2012
  • Status: Abandoned Application
First Claim
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1. A linear vibrator, comprising:

  • a cylindrical coil provided in a central portion of the linear vibrator and configured to generate a magnetic flux in response to an electrical signal;

    a permanent magnet configured in a ring shape in an outside of the coil and configured to vibrate in response to the magnetic flux generated from the coil;

    a vibration body coupled with an outside of the permanent magnet and configured to vibrate while operating in conjunction with the vibration of the permanent magnet;

    a casing configured to accommodate the coil, the permanent magnet, and the vibration body;

    a circuit board configured to supply the electrical signal to the coil; and

    a spring configured to elastically support the vibration body to the casing,wherein an inside of the permanent magnet facing the coil and the outside of the permanent magnet coming into contact with the vibration body have different poles.

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