Patent ID: 7852268

Claim:
An RFID antenna system for a goods identification system (GIS) comprising: at least two RFID antenna devices to read out from RFID tags equipped with microchips, the at least two RFID antenna devices being arranged at least on one side of a passage region for monitoring, and on two opposing sides with respect to the passage region extending therebetween, laterally offset from each other and therefore transversely to a passage direction, the RFID antenna devices each comprising at least two antennas, the at least two antennas for the goods identification system (GIS) comprising patch antennas, the at least two patch antennas having at least one component being arranged mutually offset in the direction of the passage region, and the at least two patch antennas being arranged at an equal spacing from a floor space of the passage region on the same horizontal plane or offset thereto, in such a way that a straight line laid through the center points of at least two adjacent patch antennas encloses an angle α with respect to a horizontal plane and/or a plane that is parallel to the floor space, which angle is ≦45°.