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Patent Searching and Data


Title:
SOUND EMISSION DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/205721
Kind Code:
A1
Abstract:
Provided in an embodiment of the present invention are a sound emission device and an electronic apparatus. The sound emission device comprises a vibration system, a magnetic circuit system, a housing and an antenna. The housing comprises an installation portion having at least one open end, and a rear cavity portion correspondingly arranged at an outer side of a first sidewall of the installation portion for formation of a rear cavity. The magnetic circuit system and the vibration system are fixed inside the installation portion. The first sidewall is provided with a rear sound hole arranged at a position facing the rear cavity and used to communicate a magnetic gap in the magnetic circuit system and the rear cavity. The antenna is provided at the sound emission device. The embodiment of the present invention enables a sound emission device to have a reduced size while achieving favorable acoustic performance. Moreover, an antenna can be integrated into the compact sound emission device to increase the level of integration.

Inventors:
ZHU TING (CN)
ZHANG CHENGFEI (CN)
Application Number:
PCT/CN2018/125638
Publication Date:
October 31, 2019
Filing Date:
December 29, 2018
Export Citation:
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Assignee:
GOERTEK INC (CN)
International Classes:
H04R9/06
Foreign References:
CN108430017A2018-08-21
CN201435742Y2010-03-31
CN107948891A2018-04-20
CN101931119A2010-12-29
CN203883957U2014-10-15
CN107318073A2017-11-03
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