Network adaptive high-reliability RFID electronic sign-in system

• Main Authors: QU HAOYANG, WANG JUN, ZHANG JIAXIN, SHI SAIFEI, LIU HU, YE MAOQING
• Format: Patent
• Language: Chinese; English
• Published: 22.08.2023
• Subjects: ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE; CHECKING-DEVICES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; GENERATING RANDOM NUMBERS; PHYSICS; REGISTERING OR INDICATING THE WORKING OF MACHINES; TIME OR ATTENDANCE REGISTERS; TRANSMISSION; VOTING OR LOTTERY APPARATUS; WIRELESS COMMUNICATIONS NETWORKS

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