3 results about "Reader writer" patented technology

The utility model provides a kind of equipment cabinet with label reader-writer, including cabinet, the cabinet includes several storage compartments and swing cabinet door, the cabinet door can swing to form or remove the covering of storage compartment, including first sensing component and second sensing component, the first sensing component includes inductor and electromagnetic lock, the second sensing component includes reader-writer, the inductor is arranged on cabinet door and is connected between signal with electromagnetic lock, the electromagnetic lock is used to form or remove the locking between cabinet door, the reader-writer is arranged in storage compartment, and reader-writer is used to form radio signal connection with RFID label. In view of the deficiency of prior art, the utility model provides a kind of equipment cabinet with label reader-writer using RFID label technology, it is convenient to manage.

To provide a label printer that has a communication function of communicating with an IC tag attached to a label, which can easily prepare a label that can be utilized for management.SOLUTION: A label printer 1 reads out a unique ID previously memorized in an area where an RFID tag 50b cannot be written in, from the RFID tag 50b attached to an RFID label 50a being conveyed, through an RFID reader writer 16. Further the label printer 1 prints an image showing the read-out unique ID on a printing surface of the RFID label 50a using a printing engine 51.SELECTED DRAWING: Figure 6

To provide a system capable of stably specifying a position of an RFID tag moving across communication regions of a plurality of reader writers (antennas).SOLUTION: A higher control device (10) for controlling a plurality of reader writers (20) communicating with an RFID tag (30) includes: a communication intensity determination unit (12) for measuring communication intensity between the RFID tag and each of the reader writers; and a switching unit (13) for switching the reader writers communicating with the RFID tag according to the communication intensity during communication of data.SELECTED DRAWING: Figure 1