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    • 1. 发明申请
    • METHOD AND APPARATUS FOR MULTI-BAND ENERGY HARVESTING
    • 用于多频带能量收集的方法和设备
    • WO2018024485A1
    • 2018-02-08
    • PCT/EP2017/068252
    • 2017-07-19
    • THOMSON LICENSING
    • LOUZIR, AliLE NAOUR, Jean-Yves
    • G06K19/07
    • G06K19/0713G06K19/0724
    • Apparatus (300, 400) and method (1700) for harvesting energy are provided. The apparatus includes an antenna (310, 410), a first rectifier (332, 432) coupled to the antenna that harvests energy in a first frequency band including a first frequency substantially equal to a multiple of a fundamental frequency, at least one second rectifier (334, 434, 436) coupled to the antenna that harvests energy in at least one second frequency band including a respective at least one second frequency substantially equal to a multiple k' of the fundamental frequency, for k' greater than one, and a combiner (338, 438) that combines the first and the at least one second rectifier outputs to provide an output signal (340, 440).. The apparatus (300, 400) and method (1700) may provide power to passive or semi-passive devices, e.g., a Radio Frequency Identification device. The apparatus may be included in the devices.
    • 提供了用于收集能量的装置(300,400)和方法(1700)。 该设备包括天线(310,410),耦合到天线的第一整流器(332,432),第一整流器在包括基本上等于基频的倍数的第一频率的第一频带中采集能量,至少一个第二整流器 (334,434,436),所述天线在至少一个第二频带中采集能量,所述至少一个第二频带包括基本上等于所述基频的倍数k'的相应的至少一个第二频率,对于大于1的k',以及 组合器(338,438),其组合第一整流器输出和至少一个第二整流器输出以提供输出信号(340,440)。装置(300,400)和方法(1700)可以向无源或半无源 无源设备,例如射频识别设备。 该装置可以包含在设备中。
    • 3. 发明申请
    • RADIO FREQUENCY IDENTIFICATION ARCHITECTURE
    • 无线电频率识别架构
    • WO2002065380A2
    • 2002-08-22
    • PCT/US2002/003989
    • 2002-02-12
    • MATRICS, INC.
    • ARNESON, Michael, R.BANDY, William, R.POWELL, Kevin, J.SHANKS, Wayne, E.
    • G06K9/00
    • G06K19/07749G06K7/0008G06K7/10039G06K7/10069G06K7/10108G06K7/10356G06K17/00G06K19/0713G06K19/0723G06K19/07767G08B13/2485G11C5/142H04L7/0331
    • A radio frequency identification (RFID) architecture is described. RFID tags are interrogated by a reader, which may be located in a network of readers. The reader transmits symbols to the tags. Tags respond to the interrogations with symbols that each represent one or more bits of data. An RFID tag includes an antenna pad, a receiver, a state machine, a charge pump, and a modulator. The receiver is coupled to the antenna pad. The receiver receives a symbol from the antenna pad and outputs a received signal. The state machine is configured to determine a response symbol from the received signal and an operating state of the tag. The modulator is coupled to the antenna pad. The modulator is configured to backscatter modulate the received symbol with the response symbol. The modulator is configured to output the backscatter modulated symbol to the antenna pad. The charge pump is configured to convert a received high frequency signal to a substantially direct current (DC) voltage.
    • 描述射频识别(RFID)架构。 RFID标签被读取器询问,读取器可以位于读取器网络中。 读卡器将符号发送到标签。 标签响应具有每个表示一个或多个数据位的符号的询问。 RFID标签包括天线垫,接收器,状态机,电荷泵和调制器。 接收器耦合到天线焊盘。 接收机从天线焊盘接收符号并输出接收信号。 状态机被配置为从接收到的信号和标签的操作状态确定响应符号。 调制器耦合到天线垫。 调制器被配置为使用响应符号对所接收的符号进行后向散射调制。 调制器被配置为将后向散射调制符号输出到天线焊盘。 电荷泵被配置为将接收到的高频信号转换成基本上直流(DC)的电压。