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Patent Searching and Data


Title:
LOUDSPEAKER MODULE AND SOUND PRODUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/045718
Kind Code:
A1
Abstract:
Disclosed are a loudspeaker module and a sound production device. The module comprises a module shell (1) and a loudspeaker body (2) mounted on the module shell (1). The module shell (1) comprises a shell body (11) and two fixed pole plates (31, 32) connected fixedly to the shell body (11). The two fixed pole plates (31, 32) are insulated from each other, and both of the two fixed pole plates (31, 32) have a connection part exposed an an outer part of the shell body (11). A vibration system (21) of the loudspeaker body (2) forms a movable pole plate (211), and the two fixed pole plates (31, 32) respectively form a variable capacitor with the movable pole plate (211). The loudspeaker module is configured to output an electrical signal representing a vibration displacement of the vibration system (21) by means of the connection part of the two fixed pole plates (31, 32).

Inventors:
CAO HUIXIAN (CN)
YANG XINFENG (CN)
WANG GUOFU (CN)
JIANG SHU (CN)
ZHANG HUAISHENG (CN)
JI PENGCHENG (CN)
Application Number:
PCT/CN2017/073195
Publication Date:
March 15, 2018
Filing Date:
February 10, 2017
Export Citation:
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Assignee:
GOERTEK INC (CN)
International Classes:
H04R9/06; H04R9/02
Foreign References:
CN206136274U2017-04-26
CN206136277U2017-04-26
US20160094917A12016-03-31
CN205029868U2016-02-10
CN204887445U2015-12-16
CN105681983A2016-06-15
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (CN)
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