ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,704, issued on Sept. 30, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).

"Power supply system and power supply control method thereof" was invented by Mugui Zheng (Dongguan, China), Wanxiang Ye (Dongguan, China) and Tao Feng (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply system includes at least two photovoltaic module groups, one photovoltaic module group includes at least one photovoltaic module, the at least one photovoltaic module is connected to at least one photovoltaic adapter, and photovoltaic adapters connected to photovoltaic modules in a same photovoltaic module group are conn...