Patent No. EP4074225 (titled "Parcel Locker And A Method For Operating The Parcel Locker") was filed by Swipbox APS on Feb 22, 2019. The application was issued on Nov 22, 2023.
Distributed parcel locker system using piggybacking of electronic tokens between a user's device, the locker, and a server to enable robust parcel delivery and pickup without requiring a wired connection or dedicated hardware at the locker. The user's device transmits tokens to the locker over short-range wireless. The locker decrypts and executes the token commands. The locker then transmits acknowledgment tokens to the user's device. This allows parcel delivery and pickup without a locker power connection or hard-wired data link. The piggybacking allows the user's device to relay tokens between the locker and server. It also enables robustness by enclosing sequence numbers in tokens.
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