Title:
DOUBLE-DANGLING-EDGE LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2013/007112
Kind Code:
A1
Abstract:
Disclosed is a double-dangling-edge loudspeaker, comprising a frame body, a voice coil, a voice diaphragm, an upper dangling edge and a lower dangling edge. The frame body is provided with an accommodation space, the voice coil is disposed in the accommodation space, a first magnet, a first washer and a second magnet are disposed at the bottom end of a hollow portion in the voice coil sequentially in a direction toward the top end, the bottom end of the first magnet is provided with round iron locked at the bottom of the frame body, the voice diaphragm covers the top of the voice coil, the upper dangling edge is disposed at the top end of the frame body and connected to the voice diaphragm, and the lower dangling edge is disposed at the bottom end of the frame body and connected to the voice coil. Through the design of the upper dangling edge and the lower dangling edge of the double-dangling-edge loudspeaker of the present invention, when the upper dangling edge and the lower dangling edge are moving, upper and lower push-pull counterbalance is generated, so as to disperse eccentricity of the reciprocating movement of the voice coil, and the voice coil performs a more vertical and non-offset reciprocating movement, so as to obtain perfect tone quality; meanwhile, stability of voice coil vibration is strengthened, so as to improve the output power and reduce the reject ratio of products.
Inventors:
CHEN CHOUWAN (CN)
Application Number:
PCT/CN2012/071160
Publication Date:
January 17, 2013
Filing Date:
February 15, 2012
Export Citation:
Assignee:
DONG GUAN EVERVICTORY ELECTRONIC CO LTD (CN)
CHEN CHOUWAN (CN)
CHEN CHOUWAN (CN)
International Classes:
H04R9/06
Foreign References:
| CN2392328Y | 2000-08-16 | |||
| CN1933678A | 2007-03-21 | |||
| CN101466058A | 2009-06-24 | |||
| US6490363B1 | 2002-12-03 |
Attorney, Agent or Firm:
ADVANCE CHINA I. P. LAW OFFICE (CN)
广州华进联合专利商标代理有限公司 (CN)
广州华进联合专利商标代理有限公司 (CN)
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Claims: