An electronic trolley lock system and a method for providing trolley service based on a request of a registered user intending to use a trolley enabled with an electronic trolley lock device. The method and system can enable tracking of trolley use and locating abandoned trolleys. The system can also enable performing a transaction when a trolley is unlocked and performing a reverse transaction on return of the trolley by a registered user.

Provided are a system and method for notification. A communication is established between a mobile application at a user mobile electronic device and a shopping cart. The status indicator on the shopping cart is activated having a first state indicating that the shopping cart is in use. After a checkout process is completed, the status indicator is changed to have a second state indicating the completion of the checkout process.

A holder for a mobile telecommunications terminal, in particular a smartphone, has a receptacle for the terminal. The holder has a first locking mechanism by which the smartphone can be locked in the receptacle. There is also described a system for fastening a smartphone to a shopping trolley handle, a base station for accommodating a plurality of holders and a method for fastening a smartphone to a shopping trolley handle.

System (1) and method for controlling and managing shopping trolleys (2), wherein the system comprises an ID terminal (3) for each trolley (2) to be controlled, said terminal being equipped with means for communicating with at least one trolley parking bay unit (4), at least one location-finding system (6), and at least one unit (5) for detecting the passage of the trolley through the checkout. The method comprises a method for combined control of trolley output implemented in the ID terminal and the parking bay unit, a method for locating the trolley demarcation, a method for combined control of passage of the trolley through the checkout implemented in the ID terminal and the unit for detecting the passage of the trolley through the checkout, and a method for combined control of trolley input implemented in the ID terminal and the trolley parking bay unit.

A holder for a mobile telecommunications terminal, in particular a smartphone, has a receptacle for the terminal. The holder has a first locking mechanism by which the smartphone can be locked in the receptacle. There is also described a system for fastening a smartphone to a shopping trolley handle, a base station for accommodating a plurality of holders and a method for fastening a smartphone to a shopping trolley handle.

A holder for a mobile telecommunications terminal, in particular a smartphone, has a receptacle for the terminal. The holder has a first locking mechanism by which the smartphone can be locked in the receptacle. There is also described a system for fastening a smartphone to a shopping trolley handle, a base station for accommodating a plurality of holders and a method for fastening a smartphone to a shopping trolley handle.