This permettmant the plates of service subjected to the actions determined

摘要

The method involves storing information transmitted by communication equipments e.g. personal digital assistant, in an electronic radiofrequency identification tag (10) of a service tray (1). The information is associated with determined actions to be performed, and comprises a clock signal and an identifier of each equipment. The information contained in the tag is discharged by a reading equipment so as to establish complete historical information on the performed actions. The discharged information is compared with referential information by a central storage/processing unit. Independent claims are also included for the following: (1) a service tray comprising a memory (2) a tray carrying trolley comprising a radiofrequency transmitter or receiver.