| 摘要 |
An RFID system is provided, which includes one or more radio frequency antennas and a generally column-shaped structure. The generally column-shaped structure supports the antenna(s) therein. The structure may include a base portion, a frame portion, one ore more paddle portions, and an external body portion. In such case, the frame portion is attached to and supported by the base portion. The frame portion extends along a vertical axis of the structure. Each paddle portion is pivotably coupled to the frame portion. Each paddle portion supports one or more antennas attached thereto. The hollow and elongated external body portion is attached to and supported by the base portion. The external body portion extends along the vertical axis. The frame portion, the paddle portion(s), and the antenna(s) are located within the external body portion.
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