发明名称 Acoustic guitar resonator
摘要 A device that can be easily placed on and removed from an acoustic, stringed instrument, such as an acoustic guitar. When placed on a guitar, the device amplifies and clarifies the sound of the guitar, thereby allowing the guitarist to obtain quality sound and high volume. In addition, the device enables the guitarist control the timbre or sound characteristics of the guitar.
申请公布号 US6861581(B2) 申请公布日期 2005.03.01
申请号 US20030459961 申请日期 2003.06.12
申请人 GEIGER JOHN F. 发明人 GEIGER JOHN F.
分类号 G10D3/02;G10D3/06;(IPC1-7):G10D3/02 主分类号 G10D3/02
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