公开(公告)号：US20190258293A1

公开(公告)日：2019-08-22

申请号：US16344903

申请日：2017-03-31

Applicant: JRD Communication Inc.

Inventor： Siqin FENG ,  Zhihua WU ,  Xiulu JIN ,  Linfang LI ,  Wenfei WU

IPC: G06F1/16 ,  G06F1/18 ,  G06F1/3234 ,  H04R1/02

Abstract: A mobile terminal that sends out sound via a multifunctional battery cover and a method thereof. The mobile terminal includes a processing module that identifies a battery cover including a piezoelectric ceramic speaker based on an ID signal output by the battery cover and outputs an audio signal to the piezoelectric ceramic speaker.