Title:
EARPHONE CHARGING CASE WITH ADAPTOR FUNCTION
Document Type and Number:
WIPO Patent Application WO/2022/141854
Kind Code:
A1
Abstract:
The present invention relates to an earphone charging case with an adaptor function. The earphone charging case with an adaptor function comprises an AC/DC conversion circuit, a direct-current power supply output circuit and an earphone charging circuit, wherein the direct-current power supply output circuit is provided with a charging protocol circuit; the AC/DC conversion circuit is electrically connected to the charging protocol circuit; the charging protocol circuit is electrically connected to the earphone charging circuit; the AC/DC conversion circuit is used for connecting to an alternating current and converting the alternating current into a direct current; the earphone charging circuit is used for charging a battery in the earphone charging case and an earphone; and the direct-current power supply output circuit is used for charging a mobile terminal. The product is formed by integrating two products, which greatly reduces the probability of a consumer separately purchasing several products that are necessarily needed, have a single function, and easily become idle; and the function of the product is optimized to the maximum, thereby achieving the effect of leading environmental protection.
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Inventors:
LI WENJIN (CN)
Application Number:
PCT/CN2021/083394
Publication Date:
July 07, 2022
Filing Date:
March 26, 2021
Export Citation:
Assignee:
SHENZHEN YAMA ELECTRONIC CO LTD (CN)
International Classes:
H02J7/02
Foreign References:
| CN209572135U | 2019-11-01 | |||
| CN210405616U | 2020-04-24 | |||
| CN210120648U | 2020-02-28 | |||
| CN210957830U | 2020-07-07 | |||
| CN210724250U | 2020-06-09 | |||
| CN108268393A | 2018-07-10 | |||
| CN209786836U | 2019-12-13 | |||
| CN111987753A | 2020-11-24 | |||
| US20200236454A1 | 2020-07-23 |
Attorney, Agent or Firm:
SHENZHEN HUATENG INTELLECTUAL PROPERTY AGENT CO., LTD. (CN)
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