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Patent Searching and Data


Title:
LOUDSPEAKER AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/233396
Kind Code:
A1
Abstract:
Provided are a loudspeaker and an electronic device, wherein the loudspeaker comprises: a housing, at least one first magnet unit fixedly arranged inside the housing, and a second magnet unit arranged opposite to the first magnet unit, wherein two adjacent magnetic poles of the first and second magnet units arranged opposite to each other are mutually repulsed; the loudspeaker further comprises a vibrating diaphragm, the vibrating diaphragm being fixedly arranged inside the housing and located between the first magnet unit and the second magnet unit. The loudspeaker further comprises a coil, wherein the coil is fixedly arranged on the vibrating diaphragm and comprises at least one stressed section. When the coil is energized, the directions of acting forces applied to all the stressed sections by a magnetic field are same, and the housing is provided with at least one sound hole.

Inventors:
RUAN QINGBO (CN)
Application Number:
PCT/CN2018/086457
Publication Date:
December 27, 2018
Filing Date:
May 11, 2018
Export Citation:
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Assignee:
VIVO MOBILE COMMUNICATION CO LTD (CN)
International Classes:
H04R9/06
Foreign References:
CN107124685A2017-09-01
CN102711025A2012-10-03
CN106162456A2016-11-23
CN103686558A2014-03-26
GB2137047A1984-09-26
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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