Title:
EARPHONES
Document Type and Number:
WIPO Patent Application WO/2021/043243
Kind Code:
A1
Abstract:
Provided in the present application are earphones, the earphones comprising: an ear rod cylinder, a main circuit board and a battery assembly; the main circuit board is installed within the ear rod cylinder, and a charging pad of the main circuit board extends out of an end opening of the ear rod cylinder; the battery assembly comprises a cylindrical battery, a battery circuit board and a heat-insulating support; the cylindrical battery is installed within the ear rod cylinder; the battery circuit board is provided with an output pad, and the output pad is soldered to the charging pad; the battery circuit board is connected to the cylindrical battery; and the heat-insulating support is disposed between the output pad and the cylindrical battery. Provided in the present application are earphones, in which the assembly and welding of a battery assembly and a main circuit board within an ear rod cylinder are achieved within a compact structural space, which has the effect of safely insulating heat.
Inventors:
LU LIN (CN)
ZHENG YONG (CN)
GU XINJIAN (CN)
CHEN HONGQING (CN)
HUANG GUANGHAI (CN)
ZHENG YONG (CN)
GU XINJIAN (CN)
CHEN HONGQING (CN)
HUANG GUANGHAI (CN)
Application Number:
PCT/CN2020/113403
Publication Date:
March 11, 2021
Filing Date:
September 04, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04R1/10; H01M10/42
Foreign References:
| CN110730402A | 2020-01-24 | |||
| CN110198503A | 2019-09-03 | |||
| CN204966577U | 2016-01-13 | |||
| CN208509370U | 2019-02-15 | |||
| US20090010474A1 | 2009-01-08 |
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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