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    • 66. 发明申请
    • SENSOR CONTROL DEVICE AND AIR FUEL RATIO DETECTING APPARATUS
    • 传感器控制装置和空气燃料比检测装置
    • US20090095052A1
    • 2009-04-16
    • US11870867
    • 2007-10-11
    • Yoshinori INOUEHiroshi InagakiNorikazu IedaKeigo Banno
    • Yoshinori INOUEHiroshi InagakiNorikazu IedaKeigo Banno
    • G01M15/10
    • F02D41/1454F02D41/1456F02D41/28
    • A gas sensor apparatus 3 in an air-fuel ratio detection system 1 includes a gas sensor element 4 which outputs a detection signal corresponding to air-fuel ratio, and a gas sensor control circuit 2 which includes a detection section 20 for outputting a first output signal VIP1, a second output signal VIP2, and a third output signal VIP3 in accordance with the detection signal. This detection section 20 outputs the first output signal VIP1 which changes in accordance with the air-fuel ratio at least within a wide first air-fuel ratio zone, the second output signal VIP2 which changes in accordance with the air-fuel ratio within a narrow zone in the vicinity of the stoichiometric ratio, and the third output signal VIP3 which changes in accordance with the air-fuel ratio within a narrow zone in the lean region.
    • 空燃比检测系统1中的气体传感器装置3包括输出对应于空燃比的检测信号的气体传感器元件4和气体传感器控制电路2,该气体传感器控制电路2包括:检测部20,其输出第一输出 信号VIP1,第二输出信号VIP2,以及根据检测信号的第三输出信号VIP3。 该检测部20至少在宽的第一空燃比区域内输出根据空燃比而变化的第一输出信号VIP1,第二输出信号VIP2根据空燃比而变化, 在第三输出信号VIP3中,第三输出信号VIP3根据稀薄区域内的窄带内的空燃比而变化。
    • 70. 发明申请
    • Temperature sensor control apparatus
    • 温度传感器控制装置
    • US20070046419A1
    • 2007-03-01
    • US11509566
    • 2006-08-25
    • Hiroshi InagakiYuji Oi
    • Hiroshi InagakiYuji Oi
    • H01C7/00H05B3/02
    • G01K7/24G01K2205/04
    • A temperature sensor control apparatus includes a reference potential section, a driving potential section set to a driving electric potential, a temperature sensor configured to vary a resistance in accordance with a temperature, and disposed between the reference potential section and the driving potential section, a conduction path, two reference resistance elements each connected in series with the temperature sensor, a potential controlled point disposed in the conduction path between the reference resistance elements, a potential setting section configured to set an electric potential of the potential controlled point to the driving electric potential; and a resistance switching control section configured to control the potential setting section to switch the electric potential of the potential controlled point, and to switch each of the reference resistance elements to one of an energized state and a deenergized state.
    • 温度传感器控制装置包括参考电位部分,设置为驱动电位的驱动电位部分,配置为根据温度改变电阻并设置在参考电位部分和驱动电位部分之间的温度传感器, 导通路径,与温度传感器串联连接的两个参考电阻元件,设置在参考电阻元件之间的导通路径中的电位受控点,被配置为将电势受控点的电势设定为驱动电 潜在; 以及电阻切换控制部,被配置为控制所述电位设定部切换所述电位受控点的电位,并将所述基准电阻元件切换为通电状态和断电状态。