Title:
WIRELESS EARPHONE CHARGING CASE, CHARGING CASE, AND WIRELESS CHARGING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/078179
Kind Code:
A1
Abstract:
A wireless earphone charging case, a charging case, and a wireless charging system. The wireless earphone charging case comprises: a coil, which is used to establish wireless communication between the wireless earphone charging case and a charging base, and which is used to receive electrical energy from the charging base by means of electromagnetic induction; a metal part, which absorbs the electrical energy from the charging base by means of electromagnetic induction and generates heat; and a control module, which is used to send a control instruction to the charging base, so that the charging base stops or starts radiating electrical energy according to the control instruction.
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Inventors:
LIN JINCUN (CN)
Application Number:
PCT/CN2021/119978
Publication Date:
April 21, 2022
Filing Date:
September 23, 2021
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H02J7/00
Domestic Patent References:
| WO2018081997A1 | 2018-05-11 |
Foreign References:
| CN214045069U | 2021-08-24 | |||
| CN208754006U | 2019-04-16 | |||
| CN209897298U | 2020-01-03 | |||
| US20150195009A1 | 2015-07-09 | |||
| CN202011111280A | 2020-10-16 | |||
| CN202022321529U | 2020-10-16 |
Attorney, Agent or Firm:
ESSEN PATENT & TRADEMARK AGENCY (CN)
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