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    • 1. 发明申请
    • RFID-UHF integrated circuit
    • RFID-UHF集成电路
    • US20050186904A1
    • 2005-08-25
    • US11101805
    • 2005-04-08
    • Jacek KowalskiDidier SerraBruno Charrat
    • Jacek KowalskiDidier SerraBruno Charrat
    • G06K19/07H04B5/00H04B7/00H04Q5/22
    • G06K19/07786G06K19/0723
    • The present invention relates to a contactless integrated circuit comprising an RFID communication interface comprising an antenna coil for receiving a first induced alternating voltage when the integrated circuit is in the presence of an RF magnetic field, and a data processing unit linked to the first communication interface, the data processing unit being equipped with an electrically programmable and erasable memory. According to the present invention the integrated circuit further comprises a UHF communication interface comprising a UHF antenna for receiving a second induced alternating voltage when the integrated circuit is in the presence of a UHF electric field signal, and a multiplexing means for linking the data processing unit to one or other of the two communication interfaces.
    • 无线集成电路技术领域本发明涉及一种非接触集成电路,其包括RFID通信接口,该RFID通信接口包括天线线圈,用于当集成电路存在RF磁场时接收第一感应交流电压;以及数据处理单元,其连接到第一通信接口 所述数据处理单元配备有电可编程和可擦除存储器。 根据本发明,集成电路还包括UHF通信接口,该UHF通信接口包括UHF天线,用于在集成电路存在UHF电场信号时接收第二感应交流电压;以及多路复用装置,用于将数据处理单元 到两个通信接口中的一个或另一个。
    • 2. 发明授权
    • RFID-UHF integrated circuit
    • RFID-UHF集成电路
    • US07564340B2
    • 2009-07-21
    • US11101805
    • 2005-04-08
    • Jacek KowalskiDidier SerraBruno Charrat
    • Jacek KowalskiDidier SerraBruno Charrat
    • H04Q5/22
    • G06K19/07786G06K19/0723
    • A contactless integrated circuit is provided that includes a RFID communication interface, a UHF communication interface, a data processing unit, an interface multiplexer, a communication mode detection circuit, a first modulation and demodulation circuit, a second modulation and demodulation circuit, and a multiplexer demultiplexer circuit. The interface multiplexer couples the data processing unit to the RFID or UHF communication interfaces. The multiplexer demultiplexer circuits are driven by mode signals delivered by the communication mode detection circuit, to link the data processing unit to one of the two modulation and demodulation circuits.
    • 提供了一种非接触集成电路,其包括RFID通信接口,UHF通信接口,数据处理单元,接口多路复用器,通信模式检测电路,第一调制和解调电路,第二调制和解调电路以及多路复用器 解复用器电路。 接口多路复用器将数据处理单元耦合到RFID或UHF通信接口。 复用器解复用器电路由通信模式检测电路传送的模式信号驱动,以将数据处理单元链接到两个调制和解调电路之一。
    • 8. 发明授权
    • Portable electronic device comprising several contact-free integrated circuits
    • 便携式电子设备包括几个无接触集成电路
    • US06774865B1
    • 2004-08-10
    • US10338339
    • 2003-01-08
    • Didier Serra
    • Didier Serra
    • H01Q136
    • G06K19/07758G06K7/10178G06K19/072G06K19/0723G06K19/07749G06K19/07756G06K19/07796
    • The present invention relates to a device (40) comprising a combination of at least two contactless integrated circuits (45), each integrated circuit being connected to an individual antenna coil (46) to send and/or receive data by inductive coupling. According to the present invention, the device comprises a collective antenna coil (42) that is larger in size than the individual antenna coils of the integrated circuits, and means (41) for arranging the individual antenna coil of an integrated circuit proximate to the collective antenna coil, at least when data are to be read and/or written in the integrated circuit, so that the individual antenna coil of the integrated circuit is inductively coupled to the collective antenna coil. Application to smart cards, electronic badges or electronic labels.
    • 本发明涉及包括至少两个非接触集成电路(45)的组合的装置(40),每个集成电路连接到单独的天线线圈(46),以通过电感耦合发送和/或接收数据。 根据本发明,该装置包括集成天线线圈(42),其尺寸大于集成电路的各个天线线圈,以及用于将集成电路的单个天线线圈布置成靠近集体的装置(41) 天线线圈,至少当要在集成电路中读取和/或写入数据时,集成电路的单个天线线圈感应耦合到集体天线线圈。 应用于智能卡,电子徽章或电子标签。