US 12,254,374 B1
Locating method and locating system for smart shopping cart, computer device and storage medium
Min Liang, Zhejiang (CN); Zhe Fu, Zhejiang (CN); and Xingyu Zhang, Zhejiang (CN)
Assigned to HANSHOW TECHNOLOGY CO., LTD, Jiaxing (CN)
Filed by Hanshow Technology Co., Ltd., Zhejiang (CN)
Filed on Sep. 5, 2024, as Appl. No. 18/825,629.
Claims priority of application No. 202311505182.3 (CN), filed on Nov. 13, 2023.
Int. Cl. G06K 7/10 (2006.01); G01S 5/02 (2010.01)
CPC G06K 7/10297 (2013.01) [G01S 5/02524 (2020.05); G01S 2205/02 (2020.05)] 19 Claims
OG exemplary drawing
 
1. A locating method for a smart shopping cart, which is applied to a smart shopping cart in a store having an electronic shelf label system, wherein the electronic shelf label system comprises a server and an electronic shelf label which has known position information and sends a heartbeat data package;
the smart shopping cart comprises a shopping cart body, a communication module provided on the shopping cart body and configured to receive the heartbeat data package, a motion sensor provided on the shopping cart body and configured to collect motion data, and an intelligent device provided on the shopping cart body and configured to collect a commodity attribute; and
the method comprises:
sending, when the intelligent device obtains a commodity attribute of any commodity, all heartbeat data packages received by the communication module within a first preset time window, an RSSI value of each of the heartbeat data packages received and the commodity attribute to the server in the electronic shelf label system, wherein each of the heartbeat data packages comprises a shelf label heartbeat signal;
acquiring, by the server, target position information of the commodity based on the commodity attribute, and binding, by the server, the target position information of the commodity with all the shelf label heartbeat signals received by the communication module within the first preset time window and the RSSI value of each of the heartbeat data packages received, to serve as fingerprint data corresponding to the target position information; and constructing a locating fingerprint database corresponding to a store by acquiring a preset proportion of fingerprint data in the store;
sending, by the communication module when the motion sensor obtains motion data of the shopping cart body, all the shelf label heartbeat signals received within a second preset time window to the server; and
matching, by the server, all the shelf label heartbeat signals received within the second preset time window with the locating fingerprint database to obtain locating information of the smart shopping cart.