Jrd Communication (shenzhen) Ltd.

Jrd Communication Inc.

Linfang Li

Xiulu Jin

Zhihua Wu

Wenfei Wu

Siqin Feng

Hongjie Tong

Ruilin Hou

Yunguo Zhao

An external speaker assembly and an audio apparatus are disclosed. The external speaker assembly comprises a housing, a speaker unit and a driving circuit; the external speaker assembly is detachably connected to an audio device; when the external speaker assembly is connected to the audio device, a sealed cavity is formed by the housing and a rear cover of the audio device; the speaker unit and the driving circuit are received in the sealed cavity; the driving circuit is configured to connect to the audio device, and receive an audio signal from the audio device to drive the speaker unit to produce sounds.

External speaker assembly and audio apparatus

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.

Mobile terminal sending out sound via multifunctional battery cover and method thereof

A method for providing a multi-function back cover to a mobile terminal and a mobile terminal thereof includes: providing a plurality of test points on a PCB of a main body of the mobile terminal in advance; providing a plurality of pogo pins at positions corresponding to the test points on a back cover of the mobile terminal, and installing the back cover of the mobile terminal on the main body of the mobile terminal, such that the pogo pins connect with the test points to provide a corresponding function of the back cover of the mobile terminal.

Method for providing multi-function back cover to mobile terminal and mobile terminal thereof

Growing community of inventors

Guangdong, China

Linfang Li