Piezoelectric loudspeaker

更新时间:2023-07-06 16:18:45 阅读: 评论:0

专利名称:Piezoelectric loudspeaker 发明人:高矢 忠
申请号:JP特願平1-142437
焦虑症如何自我调节申请日:19890605
九月份什么星座公开号:JP特公平7-105990B2
公开日:
高铁能带香水吗19951113
新疆枣专利内容由知识产权出版社提供
摘要:PURPOSE:To attain thin profile by adopting a structure such that 3 foamed resin plates or over obtained the extruder forming method are laminated and adhered for a diaphragm. CONSTITUTION:Four foamed resin plates 31-34 are formed by the extruder forming method. Then throughholes 32a, 33a with a slightly larger size than a piezoelectric driver 21 are formed in the middle of the foamed resin plates 32, 33 located at the inside among the foamed resin plates 31-34. Then the four foamed resin plates 31-34 are laminated and adhered, then the piezoelectric driver 21 is contained in the throughholes 32a, 33a and contained in a piezoelectric driver contained space with piezoelectric driver support members 35, 36. Then a projection 22a of the foamed resin plate 32 is inrted to a frame 24 and an elastic support piece 23 is inrted between the frame 24 and the projection. Thus, the thickness of the foamed resin plates 31-34 is made very thin to attain thin profile.
申请人:株式会社村田製作所
超越自己作文
身体虚地址:京都府長岡京市天神2丁目26番10号
国籍:JP
蚯蚓的特点
代理人:中島 司朗
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