| 摘要 |
<p>A portal (2) and method for stock control and access control to an item storage area has a user identifier reader (4) and a turnstile (16) to control user access through the portal (2) using the read user identifier. The portal also has an RFID tag reader with adjustable antennas (12a to 12d) for to reading an item identifier from a tag passing through the portal. The turnstile (16) may be activated by validation of the user identifier. The RFID tag reader may by triggered by the user identifier reader or by use of the turnstile. Alternatives to the turnstile are sliding and rotary doors that enclose the tag scanning volume.</p> |
