[미국특허]
Cart monitoring system capable of authorizing cart exit events
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06Q-030/00
B60R-025/00
B62B-005/00
B62B-005/04
B62B-003/14
H04W-004/029
G08B-013/24
H02K-007/18
G01C-021/20
G01C-021/00
A47F-010/04
B60K-025/08
H04W-004/02
G01C-021/12
G08G-001/00
G06K-007/10
B60T-007/16
B60T-007/18
G06Q-010/08
출원번호
US-0887149
(2018-02-02)
등록번호
US-10023216
(2018-07-17)
발명자
/ 주소
Hannah, Stephen E.
Carter, Scott J.
James, Jesse M.
출원인 / 주소
Gatekeeper Systems, Inc.
대리인 / 주소
Knobbe, Martens, Olson & Bear, LLP
인용정보
피인용 횟수 :
0인용 특허 :
95
초록▼
A system for monitoring shopping carts or other human-propelled carts includes wireless access points that communicate on a wireless network with wheel assemblies of the carts. The system is capable of monitoring a path followed by a cart in a store or building, and using the path (optionally togeth
A system for monitoring shopping carts or other human-propelled carts includes wireless access points that communicate on a wireless network with wheel assemblies of the carts. The system is capable of monitoring a path followed by a cart in a store or building, and using the path (optionally together with other criteria) to determine whether to authorize the cart to exit. For example, if a shopping cart fails to pass through a checkout lane of a store, the system may perform an action that blocks or inhibits the shipping cart from exiting the store.
대표청구항▼
1. A method of inhibiting theft, comprising: monitoring a path followed by a human-propelled cart in a building, wherein monitoring the path comprises wirelessly communicating with a wheel assembly of the cart, the wheel assembly comprising a wheel, a brake unit, a wireless transceiver, and a contro
1. A method of inhibiting theft, comprising: monitoring a path followed by a human-propelled cart in a building, wherein monitoring the path comprises wirelessly communicating with a wheel assembly of the cart, the wheel assembly comprising a wheel, a brake unit, a wireless transceiver, and a controller, the controller capable of activating the brake unit to inhibit or lock rotation of the wheel;programmatically determining, based at least partly on the path, whether the cart is authorized to exit the building; andtransmitting, on a wireless network, a message from an access point to the wheel assembly, said message uniquely addressed to the wheel assembly and including message content that is based on an outcome of the determination of whether the cart is authorized to exit the building;by the controller, controlling a state of the brake unit between the activated state and a deactivated state based at least partly on the message. 2. The method of claim 1, wherein the message authorizes the cart to exit the building. 3. The method of claim 2, wherein the message causes the wheel assembly to disregard a lock signal at a building exit. 4. The method of claim 3, wherein the lock signal is a VLF (very low frequency) signal, and is received by the wheel assembly with a VLF receiver that is separate from the wireless transceiver. 5. The method of claim 1, wherein controlling a state of the brake unit comprises activating the brake unit to lock or inhibit wheel rotation. 6. The method of claim 1, wherein programmatically determining whether the cart is authorized to exit the building comprises determining whether the cart passed through a checkout lane. 7. The method of claim 6, wherein programmatically determining whether the cart is authorized to exit the building further comprises determining a speed at which the cart passed through the checkout lane. 8. The method of claim 6, wherein programmatically determining whether the cart is authorized to exit the building further comprises determining whether the checkout lane was active when the cart passed through the checkout lane. 9. The method of claim 1, wherein programmatically determining whether the cart is authorized to exit the building comprises determining whether the cart passed through a particular merchandise area of the building. 10. The method of claim 1, wherein programmatically determining whether the cart is authorized to exit the building comprises comparing transaction records generated by a store checkout system with the path followed by the cart to determine whether any of the transaction records matches the path. 11. A system, comprising: a wheel assembly configured to attach to a human-propelled cart, the wheel assembly comprising a wheel and comprising a wireless transceiver connected to a programmed controller, the wheel assembly programmed to communicate on a wireless network, and being uniquely addressable on the wireless network, the wheel assembly further including a brake unit controlled by the programmed controller, the brake unit configured to lock or inhibit rotation of the wheel when the brake unit is activated, wherein the programmed controller is programmed to determine whether to activate the brake unit based at least partly on messages received over the wireless network by the wireless transceiver;an access point device configured to communicate wirelessly with the wheel assembly; anda network node comprising a processor, the network node programmed to track a path followed by the cart in a building based at least partly on wireless transmissions from the wheel assembly, and to determine, based at least partly on the path, whether to authorize the cart to exit the building;wherein the network node is programmed to cause the access point device to send, on the wireless network to the wheel assembly, a message that is dependent upon an outcome of the determination of whether to authorize the cart to exit the building, the message addressed to the wheel assembly. 12. The system of claim 11, wherein the message, when the network node determines to authorize the cart to exit the building, causes the wheel assembly to disregard a lock signal at a building exit. 13. The system of claim 12, wherein the lock signal is a VLF (very low frequency) signal, and is received by the wheel assembly with a VLF receiver that is separate from the wireless transceiver. 14. The system of claim 11, wherein the message, when the network node determines not to authorize the cart to exit the building, includes a command that causes the wheel assembly to activate the brake unit to lock or inhibit wheel rotation. 15. The system of claim 11, wherein the network node, in determining whether to authorize the cart to exit the building, is programmed to determine whether the cart passed through a checkout lane. 16. The system of claim 15, wherein the network node, in determining whether to authorize the cart to exit the building, is further programmed to determine a speed at which the cart passed through the checkout lane. 17. The system of claim 15, wherein the network node, in determining whether to authorize the cart to exit the building, is further programmed to determine whether the checkout lane was active when the cart passed through the checkout lane. 18. The system of claim 15, wherein the network node, in determining whether to authorize the cart to exit the building, is programmed to determine whether the cart passed through a particular merchandise area of the building. 19. The system of claim 15, wherein the network node, in determining whether to authorize the cart to exit the building, is programmed to compare transaction records generated by a store checkout system with the path followed by the cart to determine whether any of the transaction records matches the path. 20. The system of claim 15, wherein the wheel assembly includes a VLF (Very Low Frequency) receiver that is separate from the wireless transceiver, and the controller is programmed to use the message to determine whether to respond to detection of a VLF signal by the VLF receiver by activating the brake unit.
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