US Patent 10140820 Devices for tracking retail interactions with goods and association to user accounts for cashier-less transactions

Devices, systems, and method are provided for tracking items in a store for processing a cashier-less purchase transaction. In one example, a method for tracking items in a physical store for processing cashier-less purchase transactions is provided. The method includes detecting a portable wireless coded communication (WCC) device in the physical store. The WCC device is associated with an on-line account of a shopper. Then, receiving, by a server, sensor data regarding the WCC device, its location in the physical store and proximity to items in the physical store. The method includes receiving, by the server, interaction data of an item on a shelf of the physical store by the shopper using one or more sensors of the physical store and the WCC device to determine that the item is one targeted for purchase. The interaction data is configured to identify a type of said item and add it to an electronic shopping cart of the shopper having the on-line account for processing said cashier-less purchase transactions. The method further includes processing, by the server, an electronic charge to a payment service of the shopper for the item. The WCC device may be a portable device of the user, and an application for said cashier-less purchase transactions can be run by the WCC device or portable device of the user.