Title:
SOUND-EMITTING DEVICE FOR ELECTRONIC PRODUCT AND ELECTRONIC PRODUCT
Document Type and Number:
WIPO Patent Application WO/2019/205518
Kind Code:
A1
Abstract:
The present application relates to a sound-emitting device for an electronic product and the electronic product. The sound-emitting device comprises a sound-emitting device body and a seal, wherein the sound-emitting device body comprises a housing, a magnetic circuit system and a diaphragm; the edge of the diaphragm and the magnetic circuit system are fixed in the housing; the housing is provided with a sound outlet thereon, and the sound generated by the diaphragm is transmitted from the sound outlet; a first side of the diaphragm is in communication with the sound outlet; the seal is configured to be in sealed connection to a structure in communication with a second side of the diaphragm on the sound-emitting device body and the electronic product main body respectively, and the seal forms a rear acoustic cavity between the sound-emitting device body and the electronic product body, the seal being configured to change the volume of the rear acoustic cavity. One technical effect of the present application is that the seal may be used to change the volume of the rear acoustic cavity, thereby improving the acoustic performance of the sound-emitting device.
Inventors:
SUN LIGUO (CN)
GE LIANSHAN (CN)
GE LIANSHAN (CN)
Application Number:
PCT/CN2018/110888
Publication Date:
October 31, 2019
Filing Date:
October 18, 2018
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R9/02
Foreign References:
| CN206181368U | 2017-05-17 | |||
| CN106973348A | 2017-07-21 | |||
| US20160057541A1 | 2016-02-25 | |||
| EP1207717A1 | 2002-05-22 | |||
| CN107105380A | 2017-08-29 |
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (CN)
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