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    • 9. 发明授权
    • Occupant detection apparatus, occupant detection method and vehicle
    • 乘员检测装置,乘员检测方法和车辆
    • US09205762B2
    • 2015-12-08
    • US13329663
    • 2011-12-19
    • Hajime Nakagawa
    • Hajime Nakagawa
    • G01R29/12B60N2/00B60R21/015
    • B60N2/002B60R21/01532B60R21/0154
    • An occupant detection apparatus includes an electrostatic capacitance type sensor having a main electrode, a sub electrode and a guard electrode, an impedance measurement device that outputs an alternating current signal to measure an impedance, and an occupant discrimination device that discriminates an occupant. The guard electrode is provided oppositely to main electrode and not oppositely to the sub electrode. The impedance measurement device outputs an alternating current signal to pass the signal through the main electrode so as to measure a main impedance. Further, the impedance measurement device outputs the alternating current signal to pass the signal through sub electrode so as to measure a sub impedance. The occupant discrimination device discriminates the occupant based on an electrostatic capacitance component of the main impedance and a resistance value component of the sub impedance.
    • 乘员检测装置包括具有主电极,副电极和保护电极的静电电容型传感器,输出交流信号以测量阻抗的阻抗测量装置,以及对乘员进行鉴别的乘员识别装置。 保护电极与主电极相对设置,而不与副电极相对设置。 阻抗测量装置输出交流信号以使信号通过主电极以测量主阻抗。 此外,阻抗测量装置输出交流信号以使信号通过子电极以测量子阻抗。 乘员识别装置基于主阻抗的静电电容分量和副阻抗的电阻值分量来区分乘员。
    • 10. 发明授权
    • Occupant detection system
    • 乘员检测系统
    • US08599004B2
    • 2013-12-03
    • US13334682
    • 2011-12-22
    • Hajime Nakagawa
    • Hajime Nakagawa
    • B60Q1/00
    • B60N2/5685B60N2/002
    • An occupant detection system including an electrostatic sensor, a determination section and a heater is disclosed. The electrostatic sensor includes an electrode arranged inside a seat of a vehicle and configured to generate a weak electric field. The electrostatic sensor outputs an output value associated with the weak electric field. The determination section supplies voltage to the electrode, and performs an occupant determination to determine an occupant on the seat based on the output value of the electrostatic sensor. The heater is inside the seat, and is arranged in parallel with or on a lower side of the electrode. Before performing the occupant determination, the determinations section determines whether or not the heater has a disconnection fault based on the output value of the electrostatic sensor.
    • 公开了一种包括静电传感器,判定部和加热器的乘员检测系统。 静电传感器包括布置在车辆的座椅内部并被配置为产生弱电场的电极。 静电传感器输出与弱电场相关联的输出值。 确定部分向电极提供电压,并且基于静电传感器的输出值执行乘员确定以确定座椅上的乘客。 加热器位于座内,并与电极的下侧平行配置。 在执行乘员决定之前,确定部分基于静电传感器的输出值确定加热器是否具有断开故障。