Xiaodong Liu

Title: Xiaodong Liu and a More Efficient Speaker Design.

Introduction

Xiaodong Liu is an inventor associated with Changzhou, China, and Aac Microtech (Changzhou) Co., Ltd. His patent work includes a speaker design intended to make sound-producing devices thinner and improve their acoustic performance.

Latest Patents

Liu is credited with 1 patent, titled “Speaker.” The invention describes a speaker with a frame, a vibration system, and a magnetic circuit system. Its magnetic circuit includes a main magnet and a surrounding annular secondary magnet that form a magnetic gap. A recessed leakage channel in the lower clamping plate connects the magnetic gap to the area outside the secondary magnet without passing through the plate’s lower surface. The design aims to balance sound pressure inside and outside the speaker while enabling a thinner, more efficient device.

Career Highlights

Liu’s listed patent reflects work on speaker construction and magnetic circuit design. The invention focuses on managing airflow and pressure around the magnetic gap to support improved acoustic performance.

Collaborations

Liu is associated with Aac Microtech (Changzhou) Co., Ltd. His listed coworkers include Qun Xiang and Shuai Li.

Conclusion

Xiaodong Liu’s patent describes a compact speaker design that uses a recessed leakage channel to balance sound pressure and enhance acoustic performance.