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    • 91. 发明申请
    • OCCUPANT DETECTION SYSTEM AND METHOD
    • 职能检测系统及方法
    • US20140043047A1
    • 2014-02-13
    • US13571511
    • 2012-08-10
    • Thomas FischerMike Albani
    • Thomas FischerMike Albani
    • B60N2/00
    • B60N2/002B60N2/5685B60R21/01532B60R21/0154
    • An occupant detection system and method that uses an isolation assembly to isolate electrically a power supply providing power to a heater element for heating a vehicle seat from a sensing circuit that uses the heater element as an electrode for electric field or capacitance type occupant detection. The isolation assembly includes a common mode choke that by itself provides sufficient isolation when the sensing circuit excitation signal frequency is high enough, and provides switches that infrequently interrupt electrical power to the heater element so a humidity level can be determined using a relatively low excitation signal frequency. Knowing the humidity level is desirable to adjust a threshold use to determine if the sensing circuit indicates that the seat is empty, or is occupied.
    • 一种乘员检测系统和方法,其使用隔离组件来隔离电源,将电力提供给加热器元件,用于从使用加热元件的感测电路加热车辆座椅作为用于电场或电容式乘员检测的电极。 隔离组件包括共模扼流圈,当感测电路激励信号频率足够高时本身提供足够的隔离,并且提供不频繁地中断加热器元件的电力的开关,从而可以使用相对低的激​​励信号来确定湿度水平 频率。 了解湿度水平是期望的,以调整阈值使用以确定感测电路是否指示座椅是空的或被占用。
    • 96. 发明授权
    • Capacitive occupant sensing system and method
    • 电容乘员感知系统及方法
    • US08400323B2
    • 2013-03-19
    • US12642938
    • 2009-12-21
    • Thomas FischerChristian A FischerMarcel FruendKai Niederhagen
    • Thomas FischerChristian A FischerMarcel FruendKai Niederhagen
    • G08B21/00
    • B60N2/002B60R21/01532
    • An occupant detection system and method are provided for detecting an occupant seated in a vehicle seat. An electrode is arranged in a seat proximate to an expected location of an occupant for sensing an occupant proximate thereto. The electrode may be integrated with a seat heater. Control circuitry controls the seat heater. A signal generator is coupled to the electrode and configured output to the electrode a plurality of signals at a plurality of frequencies. Occupant detection circuitry detects voltages responsive to the plurality of signals at the plurality of frequencies and detects a state of occupancy based on the detected voltages. An LC circuit coupled to the electrode and the control circuitry suppresses capacitance generated by the control circuitry.
    • 提供了一种乘员检测系统和方法,用于检测坐在车辆座椅中的乘员。 电极布置在靠近乘员的预期位置的座位中,用于感测靠近其的乘员。 电极可以与座椅加热器集成。 控制电路控制座椅加热器。 信号发生器耦合到电极并且以多个频率将多个信号配置为输出到电极。 乘员检测电路检测响应于多个频率处的多个信号的电压,并且基于检测到的电压来检测占用状态。 耦合到电极和控制电路的LC电路抑制由控制电路产生的电容。
    • 99. 发明授权
    • Occupant detection system
    • 乘员检测系统
    • US08022834B2
    • 2011-09-20
    • US12291481
    • 2008-11-10
    • Thomas Fischer
    • Thomas Fischer
    • G08B21/00
    • B60R21/01516B60R21/01532B60R21/01556
    • An occupant detection system for a vehicle includes an antenna arrangement of a capacitance-based occupant detection device in particular provided beneath the seat surface of a vehicle seat for the generation of a first occupation signal in the event of occupation of the vehicle seat by a person based on a radiation of predetermined minimum strength starting from the antenna arrangement and passing through the person, based on at least one switch arrangement of a weight-based occupant detection device which is provided beneath the seat surface of the vehicle seat and can be actuated in dependence on the pressure acting on it in order to generate a second occupation signal in the event of occupation of the vehicle seat by a person, in particular an adult, as well as a controller that generates an occupation detection signal in the event that both the first occupation signal of the capacitance-based occupant detection device and the second occupation signal of the weight-based occupant detection device are present and which generates an error signal in the event that only the second occupation signal of the weight-based occupant detection device of the two occupation signals is present.
    • 一种用于车辆的乘员检测系统,其特征在于,具备设置在车辆用座椅的座面下方的基于电容的乘员检测装置的天线装置,用于在人员占用车辆座椅的情况下产生第一占用信号 基于从天线装置开始并通过人的预定最小强度的辐射,基于设置在车辆座椅的座面下方的基于重量的乘员检测装置的至少一个开关装置,并且可以被驱动 依赖于作用于其上的压力,以便在人,特别是成年人占用车辆座椅的情况下产生第二占用信号,以及控制器,其在两者中产生职业检测信号 基于电容乘员检测装置的第一占用信号和基于权重的乘员的第二占用信号d 存在检测装置,并且在仅存在两个占用信号的基于权重的乘员检测装置的第二占用信号的情况下产生误差信号。