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    • 92. 发明授权
    • Particulate matter detection sensor and particulate matter detection sensor unit
    • 颗粒物检测传感器和颗粒物检测传感器单元
    • US08578756B2
    • 2013-11-12
    • US13114318
    • 2011-05-24
    • Toshiyuki Suzuki
    • Toshiyuki Suzuki
    • G01N15/06G01N31/00
    • G01N15/0656F01N11/00F01N2560/20G01K7/16G01K13/02G01K2013/024G01K2205/04
    • In a PM detection sensor with a sensor element having a pair of detection electrodes formed on a substrate, quantity of PM accumulated in the detection electrode is calculated on the basis of a resistance change between the detection electrodes. A series circuit composed of a temperature detection resistance and a capacitor connected in series is formed on a conductive path in the sensor element. A microcomputer in an ECU instructs a power source to supply a DC voltage to the resistance and the capacitor to make a first state in which no current flows in the resistance when a quantity of PM accumulated in the sensor element is detected. The microcomputer instructs the power source to supply an AC voltage to the resistance and the capacitor to make a second state in which a current flows in the resistance when a temperature of the sensor element is detected.
    • 在具有形成在基板上的一对检测电极的传感器元件的PM检测传感器中,基于检测电极之间的电阻变化来计算累积在检测电极中的PM量。 在传感器元件的导电路径上形成由温度检测电阻和串联连接的电容器构成的串联电路。 ECU中的微计算机指示电源向电阻和电容器提供直流电压,以便当检测到在传感器元件中累积的PM的量时,电阻中没有电流流动的第一状态。 当检测到传感器元件的温度时,微型计算机指示电源向电阻和电容器提供AC电压,以形成电流在电阻中流动的第二状态。
    • 98. 发明授权
    • Pulse signal generating device, transport device, image forming apparatus, and pulse generating method
    • 脉冲信号发生装置,输送装置,成像装置和脉冲发生方法
    • US08179164B2
    • 2012-05-15
    • US12416230
    • 2009-04-01
    • Toshiyuki Suzuki
    • Toshiyuki Suzuki
    • H03K5/19
    • H03K5/19B41J11/007B41J11/46
    • A pulse signal generating device includes: an encoder that outputs a pulse with a period corresponding to the speed of an object to be detected; a measurement unit that measures a period of the pulse; a storage unit that stores the measured period; an operation unit that calculates a reasonable period, which is estimated to be statistically reasonable, on the basis of a result of period measurement of a plurality of pulses; a detection unit that detects period abnormalities when the measured period of the measurement unit satisfies a period abnormality condition specified from the reasonable period; and a pulse generating unit that generates a pulse on the basis of the measured period when the period abnormalities are not detected and generates a pulse on the basis of the reasonable period when the period abnormalities are detected.
    • 脉冲信号发生装置包括:编码器,输出具有对应于待检测物体的速度的周期的脉冲; 测量单元,其测量脉冲的周期; 存储单元,存储测量周期; 基于多个脉冲的周期测量结果,计算估计为统计上合理的合理周期的操作单元; 检测单元,当所述测量单元的测量周期满足从所述合理周期指定的周期异常状态时,检测周期异常; 以及脉冲生成单元,其在未检测到周期异常时基于测量周期生成脉冲,并且基于在检测到周期异常时的合理周期生成脉冲。