ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,139, issued on Oct. 20, was assigned to HOYMILES POWER ELECTRONICS INC. (Zhejiang, China).

"Shutdown device, communication method for shutdown device, and rapid shutdown photovoltaic system" was invented by Hongbin Yu (Zhejiang, China), Yi Zhao (Zhejiang, China) and Bo Yang (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shutdown device is disclosed. The shutdown device includes: at least one input port, configured to be coupled to a direct-current power supply; an output port, configured to be coupled to a power bus; at least one shutdown module, where one shutdown module corresponds to one input port, and includes at least one sw...