Network adaptive high-reliability RFID electronic sign-in system
The invention relates to a network adaptive high-reliability RFID (Radio Frequency Identification) electronic sign-in system, which comprises a server and a plurality of clients in data communication with the server, the server adopts a distributed database, and two communication modes of wireless W...
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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
22.08.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to a network adaptive high-reliability RFID (Radio Frequency Identification) electronic sign-in system, which comprises a server and a plurality of clients in data communication with the server, the server adopts a distributed database, and two communication modes of wireless WIFI (Wireless Fidelity) and 433M radio frequency are set up between the server and the plurality of clients; the client comprises RFID sign-in equipment, a sign-in terminal, a communication module and an LCD (Liquid Crystal Display); the RFID sign-in device further comprises a single chip microcomputer, an RFID card reader, a high-frequency antenna and a battery module, and the RFID sign-in device reads sign-in ID numbers through the high-frequency antenna and stores the ID numbers in an RAM of the single chip microcomputer; the sign-in terminal polls and sends a card reading command to the RFID sign-in device, further receives an ID number returned by the RFID sign-in device, retrieves a local database at the same |
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Bibliography: | Application Number: CN202310725023 |