ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,530,898, issued on Jan. 20, was assigned to Won International Inc. (Gwangiu, South Korea).

"Artificial intelligence assistant device and system based on door image analysis" was invented by Cheolwon Byeon (Gwangju, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "One embodiment of the present disclosure provides an artificial intelligence (AI) assistance device based on door image analysis. The device comprises: an image reception unit for receiving an image captured by a camera attached to a door, the image including an image of a person entering or exiting through the door; and a processor, which uses a storage place for storing the received...