Electronic system and ultrasonic touch apparatus thereof

The invention relates to an electronic system and an ultrasonic touch apparatus thereof. The ultrasonic touch apparatus comprises an emitting component, a receiving component arranged on the emittingcomponent and comprising multiple receiving units arranged at intervals, wherein an arrangement path of the receiving units is a sliding touch track. The ultrasonic touch apparatus is applied to the electronic system, can realize adjustment of volume or power, and is more convenient to use and better in user experience compared with mechanical keys. 本发明涉及种电子系统及其超声波触控装置。该超声波触控装置，包括：发射组件；接收组件，设于发射组件上，接收组件包括多个接收单元，多个接收单元间隔排布，其中，多个接收单元的排布路径为滑动触控轨迹。将上述超声波触控装置应用于电子系统上，可以实现音量大小或功能率大小的调节，相对于机械按键，更便于使用，用户体验更好。