Certifications and Patents
This is a list of our certifications and patents.
  • A member company of the association of LG Electronics

  • KS product certification (speaker system)

  • KS product certification (horn speaker)

  • Speaker damper and slim loud speaker

  • The panel vibration form speakers

  • The panel vibration form speakers

  • Speaker cone paper manufacturing method and speaker cone paper

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  • Slim loudspeakers

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  • Speaker with an internal damper

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  • Bass reinforcement speaker

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  • Dome tweeter

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  • Loudspeaker

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  • Slim Loudspeaker

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  • Audio playback methods and devices for audio equipment

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Speaker cone paper manufacturing method and speaker cone paper

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Slim loudspeakers

A slim type structure in which the diaphragm is sloped in the same shape as the top plate, while the damper is located at the upper side.
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Speaker with an internal damper

It is a design structure that simultaneously combines the external and internal parts of the bobbin.
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Bass reinforcement speaker

A separate suspension structure is installed in the speaker unit inside the enclosure.
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Dome tweeter

It is a design structure in which both the diaphragm and the bobbin are integrally formed.
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Loudspeaker

Supplementary Explanation - Rim-diameter of diaphragm can be grown by free of inner rim-diameter of diaphragm edge, and vibration area of diaphragm can be increase, whereby the sound pressure is increased. Also, the appearance is simplified, so it is aesthetically pleasing
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Slim Loudspeaker

Supplementary Explanation - As the upper diaphragm are configured in the form of a flat it can reduce the thickness of speaker unit, along with lower part of the diaphragm is installed under top part of diaphragm, the output power shall not decrease
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Audio playback methods and devices for audio equipment

Supplement Explanation - High-frequency speaker unit installed on front of audio equipment, it is possible to reduce size, due to sound is created in the center part of Low-frequency speaker, it can be formed what the listener wants sound image
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