Method of connecting one or more contactless components to a single antenna, and corresponding system

    公开(公告)号:US09729202B2

    公开(公告)日:2017-08-08

    申请号:US15198758

    申请日:2016-06-30

    CPC classification number: H04B5/0031 H03H7/40 H04W76/14

    Abstract: A first component (CMP1) is connected to the antenna (ANT) and to an impedance matching circuit (CAI) configurable on command and connected to the antenna, and in the absence of another component (CMP2) connected to the antenna, the impedance matching circuit is placed in a first configuration in which it forms with the first component and the antenna a resonant circuit having a first resonant frequency compatible with a carrier frequency. In the presence of a second component (CMP2) connected to the antenna, the impedance matching circuit is placed in a second configuration in which it forms with the first component, the second component and the antenna a resonant circuit having a second resonant frequency compatible with the carrier frequency.

    ANTICOLLISION MECHANISM FOR AN NFC DEVICE
    8.
    发明申请
    ANTICOLLISION MECHANISM FOR AN NFC DEVICE 审中-公开
    一种NFC设备的防爆机制

    公开(公告)号:US20160329932A1

    公开(公告)日:2016-11-10

    申请号:US15217430

    申请日:2016-07-22

    CPC classification number: H04B5/0025 H04B5/0043 H04B5/0056

    Abstract: A device includes near-field communication (NFC) control circuitry and transceiver circuitry. The transceiver circuitry is coupled to the NFC control circuitry. In a reader mode of operation, the NFC circuitry detects reception of NFC polling frames by the transceiver circuitry. When reception of an NFC polling frame is detected, the NFC control circuitry switches from the reader mode of operation to a card mode of operation.

    Abstract translation: 一种设备包括近场通信(NFC)控制电路和收发器电路。 收发器电路耦合到NFC控制电路。 在读取器操作模式中,NFC电路通过收发器电路检测NFC轮询帧的接收。 当检测到NFC轮询帧的接收时,NFC控制电路从读取器操作模式切换到卡操作模式。

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