公开(公告)号：US4811313A

公开(公告)日：1989-03-07

申请号：US27213

申请日：1987-03-17

Applicant: Siu-Kwong Tse

Inventor： Siu-Kwong Tse

IPC: A63J17/00 ,  H04R9/06 ,  H04R1/00 ,  H04B1/20

CPC classification number: A63J17/00 ,  H04R9/06

Abstract: A loudspeaker has a pot-shaped permanent magnet having an aperture in its axial pole. A light source in a translucent colored plastic plug is housed in the aperture. The light source is driven in accordance with the frequency and strength of the signal fed to the speaker. A translucent colored membrane or filter is glued to the speaker cone.

Abstract translation: 扬声器具有在其轴向极上具有孔的盆形永磁体。 半透明的塑料塞子中的光源被容纳在孔中。 光源根据馈送到扬声器的信号的频率和强度被驱动。 半透明的彩色膜或过滤器胶合到扬声器锥体。