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Patent Searching and Data


Title:
EARPHONE PERFORMING CHARGING TRANSMISSION BY MEANS OF EARPHONE METAL HEADBAND
Document Type and Number:
WIPO Patent Application WO/2019/153712
Kind Code:
A1
Abstract:
The present utility model belongs to the technical field of earphones, and disclosed thereby is an earphone performing charging transmission by means of an earphone metal headband, comprising that: one end of a casing is connected to a connection board; a metal headband is fixed at an inner part of the casing; one end of the metal headband is soldered to a metal bracket; the other end of the metal bracket is soldered onto a PCB circuit board; the PCB circuit board is fixed at an inner part of a housing; a speaker is further disposed at the inner part of the housing; a wireless charging coil is fixed at the inner part of the casing; the wireless charging coil of the casing is electrically connected by means of the PCB circuit board to a battery that is at the inner part of the casing. A wireless charger coil or solar panel of the present utility model is designed on the casing of the earphone, and the metal bracket is used for transmitting a current for charging. The current is transmitted by means of the metal bracket and becomes a part of the exterior, which may prevent a drop in voltage and reduce charging input power.

Inventors:
YUEN SHUNMING (CN)
MUNG WAIYIN (CN)
WU KAMING (CN)
Application Number:
PCT/CN2018/102320
Publication Date:
August 15, 2019
Filing Date:
August 24, 2018
Export Citation:
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Assignee:
INNOVATION SOUND TECH CO LTD (CN)
International Classes:
H04R1/10
Foreign References:
CN106454610A2017-02-22
CN206517576U2017-09-22
US20160094905A12016-03-31
US20170055059A12017-02-23
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