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    • 6. 发明申请
    • PASSIVE RADIO FREQUENCY IDENTIFICATION CHIP WITH PROTECTION FUNCTION AGAINST HIGH-INTENSITY ELETROMAGNETIC FIELDS
    • 被动无线电频率识别芯片具有高强度ELETROMAGNETIC FIELDS的保护功能
    • US20080068167A1
    • 2008-03-20
    • US11747194
    • 2007-05-10
    • Shih-Fang WongTsung-Jen ChuangJian-Lin Liu
    • Shih-Fang WongTsung-Jen ChuangJian-Lin Liu
    • G06K19/07
    • G06K19/0723G06K19/07735
    • A passive radio frequency identification (RFID) chip with a protection function against high-intensity electromagnetic fields includes an antenna for receiving electromagnetic waves generated by an RFID reader and generating AC electrical signals to output to a power unit at an output of the antenna; an input/output circuit; a logic circuit; the power unit for rectifying the AC electrical signals into DC (direct current) voltage and outputting the DC voltage to the logic circuit and the input/output circuit at an output of the power unit; a variable-capacitance diode including an anode connected with the output of the antenna and a cathode connected to ground; and a diode including an anode connected with the output of the power unit and a cathode connected with the output of the antenna. The passive RFID chip prevents the inner logic circuit and the input/output circuit from being damaged when receives high-intensity electromagnetic waves.
    • 具有对高强度电磁场的保护功能的无源射频识别(RFID)芯片包括用于接收由RFID读取器产生的电磁波的天线,并产生AC电信号以输出到天线输出端的功率单元; 输入/输出电路; 一个逻辑电路; 用于将交流电信号整流为直流(直流)电压的电源单元,并将功率单元的输出端的直流电压输出到逻辑电路和输入/输出电路; 包括与天线的输出连接的阳极和连接到地的阴极的可变电容二极管; 以及包括与功率单元的输出连接的阳极和与天线的输出连接的阴极的二极管。 无源RFID芯片防止内部逻辑电路和输入/输出电路在接收到高强度电磁波时被损坏。
    • 7. 发明申请
    • PORTABLE DEVICE WITH AN AUTOMATIC POWER OFF PROTECTION AND METHOD FOR SAME
    • 具有自动关机保护功能的便携式设备及其方法
    • US20070250732A1
    • 2007-10-25
    • US11736590
    • 2007-04-18
    • Shih-Fang WongTsung-Jen ChuangJian-Lin Liu
    • Shih-Fang WongTsung-Jen ChuangJian-Lin Liu
    • G06F1/32
    • G06F1/3203
    • A portable device with an automatic power off protection and a method of achieving such a protection are related. The portable device circuit comprises a switch unit, a main body, and a battery. The main body includes an acceleration transducer that samples an analog acceleration signal; an analog-to-digital converter (ADC) that converts the sampled analog acceleration signal into a digital acceleration value; a memory that stores a critical acceleration value and an interrupt flag; and a micro-control unit (MCU) that compares the digital acceleration values with the critical acceleration value and the comparing result which may or may not change the value of the interrupt flag. When the acceleration of the portable device is greater than the critical acceleration and the interrupt flag is enable, the MCU sends a break signal to the switch unit to power off the portable device.
    • 具有自动断电保护的便携式设备和实现这种保护的方法是相关的。 便携式设备电路包括开关单元,主体和电池。 主体包括对模拟加速度信号进行采样的加速度传感器; 模数转换器(ADC),其将采样的模拟加速度信号转换成数字加速度值; 存储临界加速度值和中断标志的存储器; 以及微控制单元(MCU),其将数字加速度值与临时加速度值和可能改变中断标志值的比较结果进行比较。 当便携式设备的加速度大于临界加速度并且中断标志使能时,MCU向开关单元发送断开信号以关闭便携式设备。
    • 8. 发明授权
    • Portable device with an automatic power off protection and method for same
    • 便携式设备具有自动关机保护功能及方法相同
    • US07827420B2
    • 2010-11-02
    • US11736590
    • 2007-04-18
    • Shih-Fang WongTsung-Jen ChuangJian-Lin Liu
    • Shih-Fang WongTsung-Jen ChuangJian-Lin Liu
    • G06F1/00
    • G06F1/3203
    • A portable device with an automatic power off protection and a method of achieving such a protection are related. The portable device circuit comprises a switch unit, a main body, and a battery. The main body includes an acceleration transducer that samples an analog acceleration signal; an analog-to-digital converter (ADC) that converts the sampled analog acceleration signal into a digital acceleration value; a memory that stores a critical acceleration value and an interrupt flag; and a micro-control unit (MCU) that compares the digital acceleration values with the critical acceleration value and the comparing result which may or may not change the value of the interrupt flag. When the acceleration of the portable device is greater than the critical acceleration and the interrupt flag is enable, the MCU sends a break signal to the switch unit to power off the portable device.
    • 具有自动断电保护的便携式设备和实现这种保护的方法是相关的。 便携式设备电路包括开关单元,主体和电池。 主体包括对模拟加速度信号进行采样的加速度传感器; 模数转换器(ADC),其将采样的模拟加速度信号转换成数字加速度值; 存储临界加速度值和中断标志的存储器; 以及微控制单元(MCU),其将数字加速度值与临时加速度值和可能改变中断标志值的比较结果进行比较。 当便携式设备的加速度大于临界加速度并且中断标志使能时,MCU向开关单元发送断开信号以关闭便携式设备。
    • 9. 发明授权
    • Passive radio frequency identification chip with a variable-capacitance diode
    • 无源射频识别芯片,带有可变电容二极管
    • US07649461B2
    • 2010-01-19
    • US11747194
    • 2007-05-10
    • Shih-Fang WongTsung-Jen ChuangJian-Lin Liu
    • Shih-Fang WongTsung-Jen ChuangJian-Lin Liu
    • G08B13/14
    • G06K19/0723G06K19/07735
    • A passive radio frequency identification (RFID) chip with a protection function against high-intensity electromagnetic fields includes an antenna for receiving electromagnetic waves generated by an RFID reader and generating AC electrical signals to output to a power unit at an output of the antenna; an input/output circuit; a logic circuit; the power unit for rectifying the AC electrical signals into DC (direct current) voltage and outputting the DC voltage to the logic circuit and the input/output circuit at an output of the power unit; a variable-capacitance diode including an anode connected with the output of the antenna and a cathode connected to ground; and a diode including an anode connected with the output of the power unit and a cathode connected with the output of the antenna. The passive RFID chip prevents the inner logic circuit and the input/output circuit from being damaged when receives high-intensity electromagnetic waves.
    • 具有对高强度电磁场的保护功能的无源射频识别(RFID)芯片包括用于接收由RFID读取器产生的电磁波的天线,并产生AC电信号以输出到天线输出端的功率单元; 输入/输出电路; 一个逻辑电路; 用于将交流电信号整流为直流(直流)电压的电源单元,并将功率单元的输出端的直流电压输出到逻辑电路和输入/输出电路; 包括与天线的输出连接的阳极和连接到地的阴极的可变电容二极管; 以及包括与功率单元的输出连接的阳极和与天线的输出连接的阴极的二极管。 无源RFID芯片防止内部逻辑电路和输入/输出电路在接收到高强度电磁波时被损坏。