Device and method for improving antenna gain of mobile phone mobile terminal to realize long-distance reading of high-frequency tag
A mobile phone mobile terminal, high-frequency tag technology, applied in computer parts, instruments, induction record carriers, etc., can solve the problem of high-frequency tags being unavailable, reducing the application scenarios of high-frequency tags, etc.
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[0014] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0015] A device for improving the antenna gain of a mobile phone mobile terminal to realize long-distance reading of high-frequency tags, structurally comprising a wireless high-frequency RFID tag 1, a mobile phone mobile terminal antenna 3; An amplified antenna 2 is placed between them; the amplified antenna 2 is composed of a coil winding, the amplified antenna 2 and the mobile terminal antenna 3 are matched to form the first matching circuit module, and the wireless high-frequency RFID tag 1 is matched with the first matching circuit module to form the second matching circuit module. Matching circuit module; the amplifying antenna 2 utilizes coil winding to perform coupling induction with the mobile terminal antenna 3 to increase the gain of the mobile terminal antenna 3, thereby achieving the purpose of signal amplification and making the signal of the mobile term...
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Abstract
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