US Patent 10987276 Device for storing elements

A device is provided for storing elements, each element including a first wireless communication unit. The device includes at least two drawer units each including: a drawer including a bottom defining at least one location for receiving an element; for each location, at least one second wireless communication unit including an antenna having a radiation-zone field, each antenna having a first state in which the antenna is activated and a second state in which the antenna is deactivated; and a data-processing unit able to control the activation and deactivation of the antenna of each second communication unit according to a control law.