ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,775,339, issued on Oct. 27, was assigned to HONOR DEVICE Co. LTD. (Shenzhen, China).

"Level setting method and electronic device" was invented by Zhongkai Hu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this disclosure are applied to the field of circuit control, and provide a level setting method and an electronic device. When determining that a keyboard is in an off state, an electronic device configures level statuses of all output pins in the keyboard to a first level, to avoid existence of a potential difference between an input pin and an output pin. When the keyboard is in an on state, the electronic device confi...