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1. (WO2018054037) MULTIFUNCTIONAL MOBILE PHONE BACK COVER AND CONNECTING ACCESSORY THEREOF

Pub. No.:    WO/2018/054037    International Application No.:    PCT/CN2017/079733
Publication Date: Fri Mar 30 01:59:59 CEST 2018 International Filing Date: Sat Apr 08 01:59:59 CEST 2017
IPC: H04M 1/02
Applicants: JRD COMMUNICATION INC.
捷开通讯(深圳)有限公司
Inventors: LI, Donghuang
李东晃
TONG, Hongjie
童洪洁
LIN, Junlan
林俊兰
Title: MULTIFUNCTIONAL MOBILE PHONE BACK COVER AND CONNECTING ACCESSORY THEREOF
Abstract:
Provided are a multifunctional mobile phone back cover and connecting accessory thereof, the connecting accessory of the multifunctional mobile phone back cover comprising: a connecting accessory body, the connecting accessory body being provided with a matching structure that may be matched to the shape of the mobile phone back cover; a battery used for powering a circuit in the connecting accessory; a charging management chip; a USB interface; and a first interface used for connecting to an external mobile phone battery back cover. After an idle mobile phone battery back cover is connected to a first interface of the connecting accessory, the idle mobile phone battery back cover may be connected to an external electric device by means of a USB interface of the connecting accessory so that the mobile phone battery back cover may be used as a mobile power supply, thereby improving practicality of the idle mobile phone battery back cover.