ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,148, issued on March 25.
"Video projection switching apparatus" was invented by Chuchu Wang (Guizhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A video projection switching apparatus includes a screen interface, a display controller, a switching unit, and a plurality of input interfaces. At least two of the input interfaces are electrically connected to the display controller and used for connecting to external input devices. The screen interface is used for connecting to a display screen. The display controller is electrically connected to the switching unit and the screen interface. When at least two input interfaces both input video s...