Patent ID: 11945490
Assignee: TOSHIBA TEC KABUSHIKI KAISHA
Field: Transport (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 12:
13. A shopping cart with a cart-based point-of-sale terminal, the shopping cart comprising:
a plurality of wheels for moving on a floor surface;
a camera positioned to acquire images of the floor surface;
a mobility control device configured to lock and unlock the wheels to alter the mobility of the shopping cart on the floor surface; and
a controller including a memory unit and configured to:
detect a limitation pattern on the floor surface in the images of the floor surface acquired by the camera;
determine whether the shopping cart has moved from a first side of the limitation pattern to a second side of the limitation pattern or from the second side to the first side based on a pre-stored orientation for the limitation pattern in the memory unit;
control the mobility control device to begin to lock the wheels after the shopping cart has moved from the first side to second side of the limitation pattern; and
control the mobility control device to unlock the wheels after the shopping cart has moved from the second side to the first side of the limitation pattern, wherein

the limitation pattern is a pair of parallel lines, each line in the pair being distinguishable from the other by at least one of color or pattern.