Title:
SPEAKER, TERMINAL AND SPEAKER CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2019/191910
Kind Code:
A1
Abstract:
The present invention relates to the technical field of acoustics, and a speaker, a terminal and a speaker control method are disclosed. The speaker comprises a front cover, a coil, a frame, a magnet, a magnetic vibrating diaphragm and a voice coil, wherein the coil is located on an inner side of the front cover; the magnetic vibrating diaphragm is located between the coil and the voice coil, a periphery of the magnetic vibrating diaphragm is adhered to one side of the frame, the magnet is located on the other side of the frame, and one side and the other side of the frame are two faces, which are opposite to each other, of the frame; and the voice coil is used for driving the magnetic vibrating diaphragm to vibrate. The speaker can improve the problem of speaker damage caused by increasing the gain of an audio power amplifier integrated circuit.
Inventors:
YANG XIAO (CN)
YU LIGANG (CN)
LEE FANG-CHING (CN)
YU LIGANG (CN)
LEE FANG-CHING (CN)
Application Number:
PCT/CN2018/081773
Publication Date:
October 10, 2019
Filing Date:
April 03, 2018
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04R9/06; H04R9/02
Domestic Patent References:
| WO2016135010A1 | 2016-09-01 |
Foreign References:
| CN105530586A | 2016-04-27 | |||
| CN104618838A | 2015-05-13 | |||
| CN106454679A | 2017-02-22 | |||
| US20170303044A1 | 2017-10-19 |
Other References:
See also references of EP 3758392A4
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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