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Patent Searching and Data


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.

Inventors:
LIN JINCUN (CN)
Application Number:
PCT/CN2021/119978
Publication Date:
April 21, 2022
Filing Date:
September 23, 2021
Export Citation:
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Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H02J7/00
Domestic Patent References:
WO2018081997A12018-05-11
Foreign References:
CN214045069U2021-08-24
CN208754006U2019-04-16
CN209897298U2020-01-03
US20150195009A12015-07-09
Attorney, Agent or Firm:
ESSEN PATENT & TRADEMARK AGENCY (CN)
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