ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,820, issued on March 18.

"Dual-line cascade application system and implementation method thereof for simultaneously supplying electrical power and transmitting data" was invented by Binyang Huang (Guangdong, China) and Qinyang Huang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dual-line cascade application system for simultaneously supplying electrical power and transmitting data, including a controller, cascade chips connected to the controller, and LED lights connected to the cascade chips. Each cascade chip is provided with a voltage clamp module, an electrical power supply module, a data storage module, a PWM constant curr...