Card reader based on RF radio frequency communication
A technology of radio frequency communication and card reader, which is applied in the field of card readers based on RF radio frequency communication, can solve problems such as high cost, unsuitability for purposes, complex structure and functions of card readers, etc., and achieve reduced production costs, simple working principle, Ease of use
Inactive Publication Date: 2017-01-18
JIANGMEN HUILANG IND ROBOT CO LTD
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The invention discloses a card reader based on RF radio frequency communication. The card reader comprises a processor, a crystal oscillation circuit, a radio frequency transmit-receive circuit, a signal generation circuit, an antenna, a power supply module and an SAM card. The processor is respectively connected with the crystal oscillation circuit, the radio frequency transmit-receive circuit and the SAM card. The radio frequency transmit-receive circuit is respectively connected with the signal generation circuit, the antenna and the power supply module. The radio frequency transmit-receive circuit is used for modulating and demodulating radio frequency signals of which the frequency is 13.56MHz. The signal generation circuit outputs carrier signals of which the frequency is 13.56MHz to the radio frequency transmit-receive circuit. The SAM card can provide a security mechanism. The security requirement is met and the circuit structure of the card reader is simplified so that use is facilitated for users, and production cost is also greatly reduced. The card reader based on RF radio frequency communication is generally used for reading the data stored in an electronic tag of the specific signal frequency.
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