| 摘要 |
PURPOSE: An earphone using method of vibrating a permanent magnet is provided to reduce the thickness of the earphone and the thickness of a speaker. CONSTITUTION: An earphone using a permanent magnet vibration method includes a rear cover(7), a frame(6), a hole(8), a solenoid(5), a permanent magnet(4), a vibration plate(2), an anti-vibration ring(3), and a sponge ring(1). In the earphone using the permanent magnet vibration method, a flat speaker is formed by enlarging the size of the vibration plate and the size of the frame after the rear cover is removed from the earphone.
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