Sound insulation and noise reduction structure using ultrasonic waves

The utility model discloses a sound insulation and noise reduction structure utilizing ultrasonic waves, and relates to a sound insulation and noise reduction structure. The problem that an existing noise reduction method is poor in noise reduction effect on low-frequency noise is solved. The struct...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG ZHIGUANG, ZHENG HUAN, ZHANG YAOCHAO, WEN XUECHEN, SUN YIHAN, SONG ZHIWEI, YAN GAOJUN, BAI ZHIHUI, QING ZHUOLIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SOUND-PRODUCING DEVICES
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