9 Electric and electronic control units for driven and non-driven conveyors; electronic storage devices, namely chips and antennas attached to a carrier, to be attached to articles conveyed on the conveyors or to the conveyors; electronic storage devices, namely chips and antennas attached to a carrier, to be attached to sewing material holders; electronic storage devices, namely chips and antennas attached to a carrier, to be mounted on objects, for receiving and delivering identification data; and parts therefor