| 摘要 |
<p>A livestock identification apparatus (10) for automatically identifying and sorting livestock as they walk through the apparatus (10) is disclosed. The apparatus (10) includes an alley (12), a gate (14) for controlling passage through the alley (12), and an identification sensor (18) disposed within or adjacent the alley (12) for identifying animals passing through the alley (12). The identification sensor (18) includes a pair of rigid antennas (48, 50) positioned on opposite sides of the alley (12) for energizing and reading transponders on animals passing through the alley (12). In another embodiment of the invention, the identification sensor (208) includes a gate (204) controlling entry into a milking parlor or other confined area, a first stationary antenna (210) positioned on one side of the entrance to the milking parlor, and a second movable antenna (212) integrally formed with the gate (204).</p> |
