SPEAKER DEVICE

The object of the present invention is that the surplus vibration involved therewith simultaneously generating a sound wave by the vibration of the vibrating cone of the loudspeaker unit is generated in the loudspeaker system, which has impaired the sound quality of the loudspeaker system. The purpo...

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Bibliographische Detailangaben
1. Verfasser: NAGAOKA MITSUO
Format: Patent
Sprache:eng
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