金融界2025年5月24日消息，国家知识产权局信息显示，GP声学（英国）有限公司申请一项名为“压缩驱动器”的专利，公开号CN120034797A，申请日期为2024年11月。
专利摘要显示，一种压缩驱动器，其包括具有凹形声音辐射表面的振膜、具有成形为匹配振膜的凹形表面的凸形表面的相位塞以及磁体，该振膜沿着形成闭环的线连接到音圈形成器，振膜和形成器适于沿着轴线往复运动，振膜、相位塞、音圈形成器一起构造成形成：压缩腔；环绕腔；以及磁体腔，其中，抽象表面可通过使抽象线围绕该轴线旋转来产生，该抽象线从在闭环的线上的振膜到相位塞的凸形表面垂直于振膜和凸形表面延伸，并且其中，多个孔在音圈形成器中围绕其周缘的至少一部分形成并且穿过音圈形成器以将压缩腔与环绕腔连接，所述孔具有与抽象表面的面积基本上相同的总面积。
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