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盖世汽车 on MSN
13 小时
通用汽车申请新专利:将车窗变成扬声器
盖世汽车讯 据外媒报道,通用汽车(General Motors)向德国专利商标局(the German Patent and Trade Mark Office)提交了一项专利申请,该专利涉及一种创新系统,能够将汽车车窗转变为高效的扬声器。这一系统有望淘汰传统扬声器所依赖的线圈和锥形振动技术(cone technology)。 专利文件中指出,线圈式和膜式扬声器存在若干缺陷。其中最显著的问题是,大 ...
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