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    • 11. 发明授权
    • Knock control system for an internal combustion engine
    • 内燃机爆震控制系统
    • US06561163B1
    • 2003-05-13
    • US10222806
    • 2002-08-19
    • Yasuhiro TakahashiToshio UchidaKoichi Okamura
    • Yasuhiro TakahashiToshio UchidaKoichi Okamura
    • F02P500
    • F02P5/1523F02D35/021F02D35/027F02D37/02F02D41/008F02D2041/1432F02P17/12Y02T10/46
    • To provide a knock control system for an internal combustion engine, with which appropriate ignition timing control for each cylinder can be made. The knock control system includes knock detectors outputting a knock detection signal; a unit setting a threshold value for a knock judgement performed on the knock detection signal; a unit performing a knock judgement based on the threshold value and the knock detection signal; a unit setting a control parameter correction request amount at least including ignition timing, based on the knock judgement result; a unit correcting the control parameter by setting a control parameter correction amount based on a control parameter correction request amount; and a variation correction unit performing a correction to reduce variation in a cylinder when at the knock detection result and the control parameter correction amount from at least one cylinder varies greatly with respect to other cylinders.
    • 提供用于内燃机的爆震控制系统,通过该控制系统可以对每个气缸进行适当的点火正时控制。 敲击控制系统包括输出爆震检测信号的爆震探测器; 设置用于对所述爆震检测信号执行的爆震判断的阈值的单元; 基于阈值和爆震检测信号执行爆震判断的单元; 基于所述爆震判断结果,设定至少包括点火正时的控制参数修正请求量的单元; 通过基于控制参数修正请求量设定控制参数修正量来校正控制参数的单元; 以及变化校正单元,当在所述爆震检测结果和来自至少一个气缸的所述控制参数校正量相对于其它气缸变化很大时,执行校正以减小气缸的变化。
    • 12. 发明授权
    • Ion current detector
    • 离子电流检测器
    • US06202474B1
    • 2001-03-20
    • US09344378
    • 1999-06-25
    • Yasuhiro TakahashiKoichi OkamuraMituru KoiwaYutaka Ohashi
    • Yasuhiro TakahashiKoichi OkamuraMituru KoiwaYutaka Ohashi
    • G01L2322
    • G01L23/221F02P17/12
    • For a purpose of improving detecting performance toward knocking in small and middle intensity which must be detected as a top priority to conduct regulation of ignition timing, a device is provided to vary an output gain of an alternating component included in an ion current in accordance with ion current quantity. An ion current detector to detect the ion current to be generated surrounding an ignition plug just after mixed gas inside a cylinder has been ignited with a spark discharge having occurred at the ignition plug due to a voltage generated by an ignition coil, comprises a bias voltage generating part to generate a high voltage for an ion current detection to be applied to the ignition plug via the ignition coil, an ion current-to-voltage conversion part to convert an ion current having flowed between electrodes of the ignition plug by the high voltage into a voltage, and a knock signal generator to extract and amplify a frequency band resembling knocks on the basis of voltage conversion effect.
    • 为了提高检测性能以敲击中小强度,必须将其作为最高优先级来检测点火正时的调节,提供一种装置,以改变包括在离子电流中的交替分量的输出增益,根据 离子电流量。 一种离子电流检测器,用于检测恰好在气缸内的混合气体之后即将产生的火花塞周围产生的离子电流已被点火线圈产生的电压引起的火花塞点火,包括偏置电压 产生部分以产生用于经由点火线圈施加到火花塞的离子电流检测的高电压;离子电流 - 电压转换部分,用于将在火花塞的电极之间流动的离子电流转换为高电压 成为一个电压,一个爆震信号发生器提取和放大一个类似敲击的频带,基于电压转换效应。
    • 14. 发明授权
    • Differential transmission circuit and printed circuit board
    • 差分传输电路和印刷电路板
    • US09190978B2
    • 2015-11-17
    • US14239037
    • 2012-08-07
    • Yasuhiro Takahashi
    • Yasuhiro Takahashi
    • H04B3/28H03H7/42H03H1/00
    • H03H7/427H03H2001/0085
    • A differential transmission circuit includes differential signal transmission and reception units connected by a differential signal wiring having an inductor unit composed of magnetically coupled first and second inductors provided on first and second signal lines, an input-side capacitor unit including a first input-side capacitor having one terminal connected to a first inductor signal input terminal and the other terminal grounded and a second input-side capacitor having one terminal connected to a second inductor signal input terminal and the other terminal grounded, and an output-side capacitor unit including a first output-side capacitor having one terminal connected to a first inductor signal output terminal and the other terminal grounded and a second output-side capacitor having one terminal connected to a second inductor signal output terminal and the other terminal grounded.
    • 差分传输电路包括由差分信号布线连接的差分信号发送和接收单元,差分信号布线具有由设置在第一和第二信号线上的磁耦合第一和第二电感器组成的电感单元,输入侧电容器单元包括第一输入侧电容器 具有一个端子连接到第一电感器信号输入端子并且另一个端子接地;以及第二输入侧电容器,其一个端子连接到第二电感器信号输入端子,而另一个端子接地;以及输出侧电容器单元,包括第一 输出侧电容器,其一个端子连接到第一电感器信号输出端子,另一个端子接地;以及第二输出侧电容器,其一个端子连接到第二电感器信号输出端子,另一个端子接地。
    • 18. 发明授权
    • Circuit device, electronic apparatus, and power supply method
    • 电路装置,电子设备和电源方式
    • US08258771B2
    • 2012-09-04
    • US12914094
    • 2010-10-28
    • Hisao SatoAtsushi YamadaNorikazu TsukaharaToshikazu KuwanoYasuhiro Takahashi
    • Hisao SatoAtsushi YamadaNorikazu TsukaharaToshikazu KuwanoYasuhiro Takahashi
    • H02J1/00
    • H02M3/155H02M2001/0058H03K4/94H03K19/0019H03K19/0963Y02B70/1491
    • A circuit device includes: a power supply circuit; and a logic circuit, the power supply circuit supplying a first power supply voltage and a second power supply voltage to the logic circuit, the first power supply voltage supplied by the power supply circuit periodically changing with a first reference voltage as a reference voltage, the second power supply voltage supplied by the power supply circuit periodically changing with a second reference voltage as a reference voltage, the power supply circuit supplying, due to resonance, the first power supply voltage and the second power supply voltage that repeat a first period during which a voltage difference between the first power supply voltage and the second power supply voltage is decreasing and a second period during which the voltage difference is increasing, and the logic circuit performing adiabatic circuit operation with the supply of the first and the second power supply voltage.
    • 电路装置包括:电源电路; 以及逻辑电路,所述电源电路向所述逻辑电路提供第一电源电压和第二电源电压,由所述电源电路提供的所述第一电源电压以作为参考电压的第一参考电压周期性地改变, 电源电路以第二参考电压周期性地变化的第二电源电压作为参考电压,所述电源电路由于谐振而提供第一电源电压和第二电源电压,所述第一电源电压和第二电源电压重复第一周期 所述第一电源电压和所述第二电源电压之间的电压差减小,并且所述电压差增加的第二时段,并且所述逻辑电路通过提供所述第一和第二电源电压来执行绝热电路操作。