ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,567, issued on March 3.
"Headlamp" was invented by Congchao Shu (Xiangxiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A headlamp includes a base, a light emitting tube, a switch button and an elastic headband. The elastic headband is connected to the base, the light emitting tube is arranged on the base, the switch button is arranged on the light emitting tube and is electrically connected with the light emitting tube, and the switch button is used for controlling the light emitting tube to switch among various lighting modes, an off mode and a long-press mode; the long-press mode is to press the switch button for a long time to make the...