Huawei Technologies Co., Limited

Junqing Luo

Jie Su

Zhishan Zhuang

Shaojun Chen

Ligang Yu

Shizhe Li

Jing Chang

Xiaomei Wang

Xiaoying Cui

Chuan Qin

Fanfan Liu

Senjun Chen

A terminal protective case and an audio playback system, the case including a housing, a diaphragm, a piezoelectric sheet, and a drive circuit. The housing has a main body part and a fastening frame part, a side of the fastening frame part is fastened to a periphery of the main body part, the fastening frame part and the main body part jointly enclose an accommodating groove configured to accommodate a terminal. The diaphragm is within the main body part, the piezoelectric sheet is fastened to the diaphragm, a front cavity is on a side of the diaphragm, a sound outlet hole is disposed on the main body part, and the sound outlet hole connects the front cavity to the outside of the main body part. The drive circuit is within the main body part and connected to the piezoelectric sheet, and is configured to drive the piezoelectric sheet.

Terminal protective case and audio playback system

A privacy protection method for the electronic device includes: starting face change detection, where the face change detection is continuously detecting, in a current unlocking period, whether a face in front of a display of the electronic device changes; after starting the face change detection, detecting an operation of starting a first private application; and in response to the operation and determining that a result of the face change detection is that the current face does not change, displaying first private content corresponding to the first private application; or in response to the operation and determining that a result of the face change detection is that the current face changes, displaying first non-private content, where the first non-private content does not include first private content.

Privacy protection method for electronic device and electronic device

Growing community of inventors

Shanghai, China

Junqing Luo