ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,942, issued on June 30, was assigned to SHENZHEN HAOSHAN TECHNOLOGY Co. LTD (Shenzhen, China).

"Control circuit for music effect control device and systems using same" was invented by Bo Tang (Shenzhen, China) and Ronghuang Huang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a control circuit for a music effect control device and systems using the same. The control circuit comprises multiple audio input interfaces and can be connected to audio devices in different forms to acquire audio information, the acquired audio information is converted into digital signals by a processing chip U1 to control a control device, and...