Patent ID: 9621992
Date: 2017-04-11
CPC Classifications: H04R

Claim:
1. A speaker, comprising: a holder; a cover connected to the holder for forming an accommodating space; a magnetic system received in the accommodating space; and a vibrating system received in the accommodating space and interacting with the magnetic system, the vibrating system comprising a membrane; wherein the membrane comprises a main membrane body and a periphery connected to an outer edge of the main membrane body, the periphery is adjacent to the magnetic system and is a ring-shaped structure; wherein the magnetic system comprises a yoke, a main magnet unit, a secondary magnet unit and a pole plate unit, the main magnet unit is disposed on a main central region of the yoke, the secondary magnet unit is also disposed on the yoke and surrounds the main magnet unit, the pole plate unit is disposed on the secondary magnet unit; wherein the periphery comprises a first connecting portion connected to the main membrane body, a second connecting portion for fixing the membrane, and a middle connecting portion connected between the first connecting portion and the second connecting portion, the middle connecting portion bends perpendicularly to a vibrating direction of the main membrane body.