ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,897, issued on March 3, was assigned to SHENZHEN TIME WAYING TECHNOLOGY Co. LTD. (Shenzhen, China).

"Anti-tamper circuit, LED cabinet and LED display screen" was invented by Qiang Zhu (Shenzhen, China) and Wingyip Kenny Chow (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides an anti-tamper circuit, an LED cabinet and an LED display screen, wherein the anti-tamper circuit is applied to an LED display system that includes an LED display screen and a digital cinema playback server connected to the LED display screen. The LED display screen includes a plurality of LED modules. The anti-tamper circuit include...