ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,228, issued on Nov. 18, was assigned to Futuregate Co. Ltd. (Hanam-si, South Korea).
"Shelf device with a movable camera for product capture, unmanned sales system, and sales management system for unmanned stores" was invented by Joongho Chang (Seongnam-si, South Korea) and Wonhoon Choi (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The unmanned sales system has a weight sensor for detecting whether a product has been retrieved from or inserted into each of plural placement areas on a shelf where products to be sold are placed, a camera for capturing the products on the shelf, a moving device for moving the camera to change its c...