Challenge response type dynamic password IC card with information and energy transmitted through radio frequency
A dynamic password and radio frequency transmission technology, which is applied to record carriers used by machines, user identity/authority verification, instruments, etc., can solve the problems of unrechargeable batteries, limited service life, and limited battery capacity, saving power consumption and Cost, cost saving, effect of improving safety
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[0049] The present invention will be further described below in conjunction with specific examples, but the present invention is not limited to these specific embodiments. Those skilled in the art should realize that the present invention covers all alternatives, improvements and equivalents that may be included in the scope of the claims.
[0050] Reference figure 2 , image 3 , A challenge-response dynamic password IC card for radio frequency transmission of information and energy, including a dynamic password IC card 8. The dynamic password IC card 8 is encapsulated to generate a dynamic password based on the received challenge code and output the dynamic password safely Chip 1. The security chip 1 is connected to a radio frequency signal conversion module 7 that converts the received challenge code and outputs to it or converts the output dynamic password to output. The radio frequency signal conversion module 7 is connected to the received The challenge code issued by the e...
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