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    • 1. 发明申请
    • MICROWAVE BAND BOOSTER RECTIFIER CIRCUIT, AND WIRELESS TAG DEVICE AND WIRELESS TAG SYSTEM EMPLOYING SAME
    • 微波带增压器整流器电路,无线标签设备和使用其的无线标签系统
    • US20130314216A1
    • 2013-11-28
    • US13976578
    • 2011-12-21
    • Hitoshi KitayoshiKunio Sawaya
    • Hitoshi KitayoshiKunio Sawaya
    • H03D1/04G06K7/10
    • H03D1/04G06K7/10009G06K19/0723H04B1/7163H04L27/02H04L27/18
    • In order to implement novel utilization methods, implementation of a low power consumption and high sensitivity RF receiving system is desired. A microwave frequency band stub resonance booster circuit characterized by boosting the amplitude of an RF signal in a passive operation by resonating in series a 0.2 pF to 0.01 pF micro-capacitor element with a λg/2 open stub element to perform impedance conversion of the input RF signal is used. In addition, since a capacitor which has been conventionally inserted in order to repeat charging and discharging of the RF signal by using two diodes becomes useless by putting a DC resonant component of resonant-boosted output into an open state when voltage-doubling and rectifying the resonant-boosted RF signal, rectified output can be obtained and high-sensitivity reception and detection of the RF signal becomes possible without being affected by the capacitor which imparts comparatively large insertion loss.
    • 为了实现新的利用方法,期望实现低功耗和高灵敏度的RF接收系统。 一种微波频带短截线共振升压电路,其特征在于通过使用lambdag / 2开路短路元件串联0.2pF至0.01pF的微电容器元件来串联振荡无源操作中的RF信号的幅度,以执行输入的阻抗转换 使用RF信号。 此外,由于为了通过使用两个二极管重复充电和放电RF信号而常规地插入的电容器通过将谐振升压的输出的DC谐振分量放入打开状态而变得无用,当对电压进行倍压和整流时 谐振升压RF信号,可以获得整流输出,并且可以在不受施加相对大的插入损耗的电容器的影响的情况下实现RF信号的高灵敏度接收和检测。
    • 2. 发明授权
    • Sensor tag, sensor tag device, power receiving circuit, and sensor tag device power supply method
    • 传感器标签,传感器标签装置,受电电路和传感器标签装置供电方式
    • US08493181B2
    • 2013-07-23
    • US11995691
    • 2006-07-14
    • Hitoshi KitayoshiKunio Sawaya
    • Hitoshi KitayoshiKunio Sawaya
    • H04Q5/22
    • H01Q13/08G06K19/0713H01Q1/2225H04B5/0043H04B5/02Y02D70/166Y02D70/42
    • There is provided a sensor tag device capable of detecting event data by a sensor tag all the time even when no radio wave is received, saving power supply for a microprocessor, and enlarging the radio communication distance. The sensor tag device includes generation means 6 and 7 using one or more environmental changes, power supply voltage rise control means 8, and power supply synthesis means 9, and power is supplied to a microprocessor 12 and event data is stored in the microprocessor 12 when an event, i.e., an environmental change has occurred. A power receiving circuit having a transmission/reception antenna, a built-in power receiving circuit, and the microprocessor and capable of bi-directional communication by radio waves is combined with a stab resonance RF boost circuit and a ladder boost rectification circuit.
    • 即使在没有接收到无线电波的情况下,也能够始终通过传感器标签检测事件数据的传感器标签装置,节省微处理器的电力供应,扩大无线通信距离。 传感器标签装置包括使用一个或多个环境变化的发生装置6和7,电源电压上升控制装置8和电源合成装置9,并且向微处理器12提供电力,并且事件数据被存储在微处理器12中 一个事件,即发生了环境变化。 具有发送/接收天线,内置电力接收电路和微处理器并且能够通过无线电波进行双向通信的电力接收电路与刺激共振RF升压电路和梯形升压整流电路组合。
    • 9. 发明授权
    • Thin slot antenna having cavity, antenna power feeding method, and RFID tag device using the antenna and the method
    • 具有空腔的薄缝天线,天线馈电方法和使用天线的RFID标签装置及其方法
    • US08253640B2
    • 2012-08-28
    • US12440152
    • 2007-09-03
    • Hitoshi KitayoshiKunio Sawaya
    • Hitoshi KitayoshiKunio Sawaya
    • H01Q13/00H01Q13/10
    • H01Q1/085H01Q13/18
    • A highly efficient thin slot antenna having a cavity and an RFID tag device are provided, in which such flexible properties can be provided to the antenna that the antenna can be worn on the curved surface of a human body, an object, or the like as well as the antenna can be relatively freely deformed, and changes in the characteristics caused by deformation and changes in the characteristics caused by a product to mount the antenna thereon. are extremely small. Conductive foil such as aluminum or foil vapor deposited with conductive metal such as aluminum is used to form a bag shape for configuring a bag-shaped product having a cavity (12). A relatively soft dielectric sheet (13) is provided inside the cavity (12), and a slot (14) is provided lengthwise on one side of the bag-shaped product at the center position in the width direction.
    • 提供了一种具有空腔和RFID标签装置的高效率的小缝隙天线,其中可以向天线提供这样的柔性,天线可以被佩戴在人体,物体等的弯曲表面上,如 以及天线可以相对自由地变形,以及由产品引起的变形和特性变化引起的特性的变化,以将天线安装在其上。 非常小 使用诸如铝之类的导电箔(诸如铝或箔等)的导电箔形成用于构造具有空腔(12)的袋状产品的袋状。 在空腔(12)的内部设置相对软的电介质片(13),并且在宽度方向的中心位置处,在袋状产品的一侧纵向地设有槽(14)。