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    • 2. 发明授权
    • Check circuit for checking vehicle warning system
    • 检查车辆警告系统的检查电路
    • US4034369A
    • 1977-07-05
    • US744612
    • 1976-11-24
    • Kou TanigawaKenzo HashikawaJun Ota
    • Kou TanigawaKenzo HashikawaJun Ota
    • G08B23/00B60Q11/00G08B29/00G08B29/02G08B29/04G08B29/10G09G3/00G08B19/00
    • B60Q11/00
    • Abnormal conditions of the operating members of an automotive vehicle are detected by a plurality of sensors provided at the operating members. Detection signals of the sensors are fed as input to a plurality of warning issuing devices of the vehicle warning system. A priority sequence judging circuit is connected between the sensors and the warning issuing devices. The priority sequence judging circuit operates when more than one of the sensors detect abnormal conditions simultaneously, determines the degree of importance of the detected signals from the sensors and preferentially provides the most important signals as outputs to the warning issuing devices in accordance with the order of their importance. A check circuit is connected to the warning issuing devices. The check circuit artificially creates the same condition as that obtained when the sensors detect abnormalities to actuate all the warning issuing devices and releases such condition in accordance with a predetermined sequence at predetermined time delays. The warning issuing devices are thereby checked for normal operation in accordance with the sequence.
    • 通过设置在操作构件上的多个传感器来检测机动车辆的操作构件的异常状况。 传感器的检测信号作为输入被馈送到车辆警告系统的多个警告发出装置。 优先顺序判断电路连接在传感器和警告发出装置之间。 当多个传感器同时检测异常情况时,优先顺序判断电路进行动作,确定来自传感器的检测信号的重要程度,并根据命令的顺序优先提供最重要的信号作为警告发出装置的输出 他们的重要性。 检查电路连接到警告发出装置。 检查电路人为地产生与当传感器检测异常以致动所有警告发出装置并且以预定的时间延迟按照预定顺序释放这种状况时获得的条件相同的条件。 从而根据顺序检查警告发出装置的正常操作。
    • 3. 发明授权
    • Electronic circuit having comparator
    • 电子电路有比较器
    • US5548162A
    • 1996-08-20
    • US392300
    • 1995-02-22
    • Hidenobu ItoKatsuya ShimizuKenzo HashikawaYasuhiro Yamakawa
    • Hidenobu ItoKatsuya ShimizuKenzo HashikawaYasuhiro Yamakawa
    • H03K5/02G01R19/165H03K19/0175G01R19/00
    • G01R19/16576
    • An electronic circuit comprising a comparator which is operated by a first power source voltage and having first and second input terminals, where the first input terminal is supplied with a reference voltage which is dependent on the first power source voltage, a detecting circuit for detecting a deviation of a second power source voltage and for outputting a control signal dependent on the deviation, where the first and second power source voltages undergo mutually independent deviations, and a voltage converting circuit supplied with an input signal for converting a voltage of the input signal depending on the control signal received from the detecting circuit. The voltage converting circuit supplies the input signal to the second input terminal of the comparator which outputs an error signal indicative of an error between the input signal voltage and the reference voltage.
    • 一种电子电路,包括由第一电源电压操作并具有第一和第二输入端的比较器,其中第一输入端被提供有取决于第一电源电压的参考电压,检测电路用于检测 第二电源电压的偏差和用于输出取决于第一和第二电源电压经历相互独立偏差的偏差的控制信号,以及电压转换电路,其被提供有用于将输入信号的电压变换为相应的输入信号 关于从检测电路接收的控制信号。 电压转换电路将输入信号提供给比较器的第二输入端,该第二输入端输出表示输入信号电压和参考电压之间的误差的误差信号。