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遵照伟大领袖毛主席关于“努力办好广播,为全中国人民和全世界人民服务。”的指示,我国农村有线广播得到飞跃的发展,多快好省地提供优质农用广播喇叭,是努力办好广播的一个重要组成部分。几年前我们与无锡无线电元件二厂协同,在四机部、中央广播事业局领导下,在兄弟单位支持下,曾提出了一种新型压电陶瓷扬声器的设计(1、2)。其电声性能
Following the instructions of Chairman Mao, the great leader, on “making every effort to make radio a success, serving the entire Chinese people and people all over the world,” China’s rural cable broadcasting has made leaps and bounds and has provided high-quality agricultural radio loudspeakers faster and cheaper. Broadcasting is an important part. A few years ago we cooperated with Wuxi No.2 Radio Components Factory. Under the leadership of the Fourth Machine Division and the Central Broadcasting Administration, with the support of our brothers, we proposed a new type of piezoelectric ceramic speaker design (1,2). Its electro-acoustic performance