RFID (Radio Frequency Identification Device) Internet of things chip
An IoT chip and antenna technology, applied in the field of wireless communication, can solve the problems that RFID IoT chips are difficult to automatically control and monitor, all information of goods cannot be obtained at any time, and information management cannot be effectively solved, so as to achieve low cost and improve production method, beneficial effect
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Embodiment 1
[0020] Such as figure 1 A RFID Internet of Things chip shown includes a reader, an RFID card, a memory, a power supply, an antenna, and a radio frequency field. The RFID card enters the radio frequency field of the reader, and the induced current obtained by the antenna, the The induced current is used as the power supply of the chip through the boost circuit, and the digital signal detected by the RF front-end circuit is sent to the logic control circuit for information processing by the induced current, and the reply information is obtained from the memory, and the reply information is sent by the logic control circuit Back to the RF front-end circuit, the RFID card startup circuit needs to obtain enough energy through the antenna in the electromagnetic field generated by the reader antenna, and the reply information is sent back to the reader through the antenna; the RFID card and the reader realize data The key role in the communication process is the antenna. To start the...
Embodiment 2
[0023] Such as figure 1 A RFID Internet of Things chip shown includes a reader, an RFID card, a memory, a power supply, an antenna, and a radio frequency field. The RFID card enters the radio frequency field of the reader, and the induced current obtained by the antenna, the The induced current is used as the power supply of the chip through the boost circuit, and the digital signal detected by the RF front-end circuit is sent to the logic control circuit for information processing by the induced current, and the reply information is obtained from the memory, and the reply information is sent by the logic control circuit Back to the RF front-end circuit, the RFID card startup circuit needs to obtain enough energy through the antenna in the electromagnetic field generated by the reader antenna, and the reply information is sent back to the reader through the antenna; the RFID card and the reader realize data The key role in the communication process is the antenna. To start the...
Embodiment 3
[0026] Such as figure 1A RFID Internet of Things chip shown includes a reader, an RFID card, a memory, a power supply, an antenna, and a radio frequency field. The RFID card enters the radio frequency field of the reader, and the induced current obtained by the antenna, the The induced current is used as the power supply of the chip through the boost circuit, and the digital signal detected by the RF front-end circuit is sent to the logic control circuit for information processing by the induced current, and the reply information is obtained from the memory, and the reply information is sent by the logic control circuit Back to the RF front-end circuit, the RFID card startup circuit needs to obtain enough energy through the antenna in the electromagnetic field generated by the reader antenna, and the reply information is sent back to the reader through the antenna; the RFID card and the reader realize data The key role in the communication process is the antenna. To start the ...
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