| 摘要 |
PURPOSE: A bone conduction sound reproducing apparatus is provided to reproduce sounds using a simple structure. CONSTITUTION: A bone conduction sound reproducing apparatus includes a body(10), a fixing coil(9), a chin(11), and a diaphragm(1). The body is made of a non-magnetic material. The fixing coil is wound on a lower portion of the body. The lower portion of the body is penetrated. The chin is installed on an upper portion of the body. The vibration plate includes a permanent magnet(8) therein. The fixing coil is turned into an electromagnet when an electric signal is applied to a line(7). The permanent magnet is pushed or pulled according to the electric signal to vibrate the diaphragm. The bone conduction sound reproducing apparatus is applicable to a speaker, a micro speaker, and earphones.
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