Radio frequency identification (RFID) system
一种视频、天线的技术,应用在无线电频率识别领域,能够解决降低RFID使用率等问题
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[0050] Such as figure 1 As shown, the redundant network multimedia RFID system of the present invention needs to use a wireless local area network (Wi-Fi) connection and an Ethernet connection at the same time to ensure the connectivity of the redundant network. In order to transmit radio frequency (RF) signals to the external environment, the RFID reader 10 in the system is connected to the wireless local area network through the antenna 12, and is also connected to other systems through the Ethernet cable 14, providing a redundant physical layer.
[0051] Such as figure 2 As shown, the system is set up to automatically find a primary router 16, a backup router 18, a primary access point (node) 20 and a backup access point (node) 22 for gateway redundancy. Such as image 3 As shown, the system is set up such that the RFID reader 10 automatically finds the main server 24 and the backup server 26 for backup redundancy. Even if neither server 24 nor 26 can be found, the syst...
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