| 摘要 |
PURPOSE: An electrostatic speaker is provided to increase the charging density without external power by installing a driving chip that applies bias voltage to a diaphragm assembly and to maintain the relatively high sensitivity by improving the charge density. CONSTITUTION: A first electrode(120) is installed in one side of a frame(110). A second electrode(130) keeps constant interval with the first electrode. The second electrode is installed in the other side of the frame. A suspension(140) is located between the second electrode and the first electrode. The suspension is flexibly installed inside the frame. A diaphragm assembly is supported in the suspension. The multilayer structure is formed inside the diaphragm assembly. The diaphragm assembly includes a conductive layer, an insulating layer, and charging diaphragms.
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