ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,819, issued on Feb. 18, was assigned to SEIKO EPSON Corp. (Tokyo).
"Image display method and projector" was invented by Toshiki Fujimori (Chino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image display method includes displaying, on a display surface, a first image based on first image data from a first input source; and establishing a correspondence between a feature of a first marker and the first input source when it is detected that the first marker is placed in a detection area included in the display surface while the first image is displayed on the display surface."
The patent was filed on Sept. 16, 2022, under Application No. 1...