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    • 5. 发明公开
    • 3축 저주파 트랜스폰더의 노이즈 알람 타이머 기능
    • 三轴低频传感器的噪声报警定时器功能
    • KR1020070008705A
    • 2007-01-17
    • KR1020067024512
    • 2005-04-14
    • 마이크로칩 테크놀로지 인코포레이티드
    • 놀란,제임스,비.리,토마스,유보크베르니어,스티브람피에르,알란
    • H04B1/59E05B49/00G07C9/00G08C19/00
    • B60R25/24B60R25/406G07C9/00309G07C2009/00769
    • A remote keyless entry (RKE) transponder has a noise alarm timer having a time interval used for determining whether a received signal meets a predefined condition within a time interval. If the received signal meets the predefined condition within the time interval, the noise alarm timer is disabled and the RK transponder circuits are enabled so that normal operation in processing the desired signal commences. If the received signal does not meet the predefined condition within the time interval the noise alarm timer issues an alert signal, whereby appropriate action may be taken such as adjusting the channel input sensitivity, disabling a channel, or placing the RK transponder into a sleep mode in order to reduce the power consumption caused by undesired input signals. A smart wake-up filter determines whether or not the input signal meets the predefined condition within the time interval. ® KIPO & WIPO 2007
    • 远程无钥匙进入(RKE)转发器具有噪声报警定时器,其具有用于确定接收到的信号是否在时间间隔内满足预定义条件的时间间隔。 如果接收到的信号在时间间隔内满足预定义的条件,则噪声报警定时器被禁用,并且使能RK应答器电路,使得处理期望信号的正常操作开始。 如果接收到的信号在时间间隔内不满足预定义的条件,则噪声报警定时器发出报警信号,从而可以采取适当的动作,例如调整通道输入灵敏度,禁用通道或将RK转发器置于睡眠模式 以减少由不期望的输入信号引起的功耗。 智能唤醒滤波器确定输入信号是否在时间间隔内满足预定义的条件。 ®KIPO&WIPO 2007
    • 6. 发明公开
    • 저주파 트랜스폰더에서 부정확한 웨이크-업을 저감시키는장치 및 방법
    • 减少在低频传输器中的假冒唤醒
    • KR1020070005728A
    • 2007-01-10
    • KR1020067024522
    • 2005-04-14
    • 마이크로칩 테크놀로지 인코포레이티드
    • 놀란,제임스,비.리,토마스,유보크람피에르,알란로렌스,루안베르니어,스티브
    • H04Q5/22G06K7/00H04Q5/00
    • G06K19/0705G06K19/0723G07C9/00309G07C2009/0038
    • A bidirectional remote keyless entry (RKE) transponder comprises an analog front-end (AFE) having a programmable wake-up filter that predefines the waveform timing of the desired input signal, minimum modulation depth requirement of input signal, and independently controllable channel gain reduction of each of its three channels, X, Y, and Z. The wake-up filter parameters are the length of high and low durations of wake-up pulses that may be programmed in a configuration register. The wake-up filter allows the AFE to output demodulated data if the input signal meets its wake-up filter requirement, but does not output the demodulated data otherwise. The AFE output pin is typically connected to an eternal device for control, such as a microcontroller (MCU). The external device typically stays in low current sleep (or standby) mode when the AFE has no output and switches to high current wake-up (or active) mode when the AFE has output. Therefore, in order to keep the eternal control device in the low current sleep mode when there is no desired input signal, it is necessary to keep no output at the AFE output pin. This can be achieved by controlling the wake-up filter parameters, minimum modulation depth requirement of input signal, and. channel gains of the AFE device. These features can reduce false-wake up of the bidirectional RKE transponder due to undesired input signals such as noise signals. ® KIPO & WIPO 2007
    • 双向远程无钥匙进入(RKE)转发器包括具有可编程唤醒滤波器的模拟前端(AFE),其预定义所需输入信号的波形定时,输入信号的最小调制深度要求以及独立可控的信道增益减小 的三个通道中的每一个,X,Y和Z.唤醒滤波器参数是可以在配置寄存器中编程的唤醒脉冲的高和低持续时间的长度。 唤醒滤波器允许AFE在输入信号满足唤醒滤波器要求时输出解调数据,否则不输出解调数据。 AFE输出引脚通常连接到用于控制的永久性设备,例如微控制器(MCU)。 当AFE没有输出时,外部设备通常保持在低电流休眠(或待机)模式,并且当AFE输出时,外部设备切换到高电流唤醒(或有效)模式。 因此,为了在不需要输入信号的情况下将永久控制装置保持在低电流睡眠模式,需要在AFE输出引脚处不输出。 这可以通过控制唤醒滤波器参数,输入信号的最小调制深度要求来实现。 AFE设备的通道增益。 这些功能可以减少由于不期望的输入信号(如噪声信号)引起的双向RKE转发器的假唤醒。 ®KIPO&WIPO 2007