Bridging electric tuning antenna of RFID reader-writer
An electrical tuning, reader-writer technology, applied to record carriers, instruments, electromagnetic radiation induction and other directions used by machines, can solve the problems of deterioration of various indicators, limited antenna installation space and location, etc., to achieve flexible size and optimized antennas The effect of low performance and low power consumption
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[0023] The present invention is further described in conjunction with the following examples.
[0024] Depend on Figure 1 to Figure 4 It can be seen that the bridging electric tuning antenna of a kind of RFID reader-writer described in the present embodiment includes an antenna housing 1 and a coupling antenna 2; the antenna housing 1 is provided with a radiation antenna and a power splitter 3; the coupling The antenna 2 is connected to the input end of the power divider 3; an output end of the power divider 3 is connected to the radiation antenna; the coupling antenna 2 is used for coupling with the RFID reader antenna 6; wherein, it is not drawn in the figure radiating antenna;
[0025] The antenna housing 1 is provided with a wireless energy collection unit 4, a control unit and a tuning unit 5; the other output end of the power splitter 3 is connected to the input end of the wireless energy collection unit 4; the wireless energy collection unit The output end of 4 is us...
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