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    • 1. 发明授权
    • Contactless ignition system for internal combustion engines
    • 内燃机非接触式点火系统
    • US4280461A
    • 1981-07-28
    • US082755
    • 1979-10-09
    • Ryoichi OkudaTomoatsu MakinoKatsuteru Miwa
    • Ryoichi OkudaTomoatsu MakinoKatsuteru Miwa
    • F02P7/03F02P3/04F02P3/045F02P3/05F02P5/155F02P5/04
    • F02P5/155Y02T10/46
    • A contactless ignition system for internal combustion engines controls the closing angle of an engine in response to a signal derived by comparing the AC output of an alternator operated in synchronism with the rotation of the engine with the output of a bias-up circuit adapted to supply a DC bias signal which varies with the speed of the engine. The outputs of the alternator and the bias-up circuit are applied to a voltage comparison circuit and the voltage comparison circuit applies to the bias-up circuit a signal having a frequency which is proportional to the number of revolutions of engine. In response to the signal the bias-up circuit generates a signal proportional to the engine speed and this signal is converted through a non-linear circuit of the bias-up circuit into a DC bias signal whose rate of change is small at low engine speeds but increases with an increase in speed at higher engine speeds.
    • 用于内燃机的非接触式点火系统响应于通过将与发动机的旋转同步操作的交流发电机的交流输出与适于供给的偏压升压电路的输出进行比较而导致的信号来控制发动机的闭合角度 直流偏置信号随着发动机的速度而变化。 交流发电机和偏置上升电路的输出被施加到电压比较电路,并且电压比较电路向偏置上升电路施加具有与发动机转数成比例的频率的信号。 响应于信号,偏置上升电路产生与发动机转速成比例的信号,并且该信号通过偏置上升电路的非线性电路转换为在低发动机转速下变化率小的直流偏置信号 但在较高的发动机转速下随着速度的增加而增加。
    • 2. 发明授权
    • Frequency-to-current conversion circuit
    • 频率到电流转换电路
    • US4225796A
    • 1980-09-30
    • US967497
    • 1978-12-07
    • Tomoatsu MakinoYoshio HiranoKatsuteru Miwa
    • Tomoatsu MakinoYoshio HiranoKatsuteru Miwa
    • G01D5/12G01R23/06G08C19/02H03K9/06H03K1/08
    • G01R23/06
    • A frequency-to-current conversion circuit comprises a charge/discharge circuit for charging or discharging with a first constant current in synchronism with each cycle of an input pulse signal having a varying frequency, a voltage comparison circuit for detecting a predetermined voltage attained by the charge/discharge circuit at the expiration of a predetermined time interval dependent on the value of the first constant current from the beginning of the charge or discharge, and an output circuit for receiving the output signal of the voltage comparison circuit as well as the input pulse signal to generate a second constant current during the predetermined time interval in synchronism with each cycle of the input pulse signal.
    • 频率 - 电流转换电路包括用于与具有变化频率的输入脉冲信号的每个周期同步地以第一恒定电流进行充电或放电的充电/放电电路,用于检测由所述电压获得的预定电压的电压比较电路 充电/放电电路根据从充电或放电开始的第一恒定电流的值预定的时间间隔期满;以及输出电路,用于接收电压比较电路的输出信号以及输入脉冲 信号以在与输入脉冲信号的每个周期同步的预定时间间隔期间产生第二恒定电流。
    • 5. 发明授权
    • Circuit for controlling the primary dwell time of ignition transformer
    • 控制点火变压器初级停留时间的电路
    • US4434779A
    • 1984-03-06
    • US352454
    • 1982-02-25
    • Norboru YamamotoTomoatsu MakinoRyoichi Okuda
    • Norboru YamamotoTomoatsu MakinoRyoichi Okuda
    • F02P3/045F02P1/00
    • F02P3/0453
    • A circuit arrangement for controlling the duration of a current generated in the primary winding of an ignition transformer comprises a ramp generator responsive to the ignition timing or an internal combustion engine for generating a ramp voltage having a constant peak value and a variable rate of increase in voltage as a function of the speed of the engine. A pulse generating means is provided for successively generating a pulse of which the pulse height is substantially equal to the peak value of the ramp voltage and of which the pulse duration is variable inversely as a function of the speed of the engine. To the pulse generating means is coupled an integrator for integrating the pulses supplied thereto to generate an integrated output. The output of the integrator is supplied to a comparator for making a comparison with the instantaneous value of the ramp voltage to generate an ignition current pulse having a duration corresponding to the difference between the compared input variables.
    • 用于控制在点火变压器的初级绕组中产生的电流的持续时间的电路装置包括响应于点火正时的斜坡发生器或用于产生具有恒定峰值和可变增加速率的斜坡电压的内燃机 电压作为发动机速度的函数。 提供脉冲发生装置,用于连续地产生脉冲高度基本上等于斜坡电压的峰值的脉冲,并且其脉冲持续时间作为发动机速度的函数可逆地变化。 与脉冲产生装置相耦合的积分器用于积分提供给其的脉冲以产生积分输出。 积分器的输出被提供给比较器,用于与斜坡电压的瞬时值进行比较,以产生具有对应于比较的输入变量之间的差的持续时间的点火电流脉冲。
    • 8. 发明授权
    • Supply-voltage-compensated contactless ignition system for internal
combustion engines
    • 内燃机用电压补偿非接触点火系统
    • US4397290A
    • 1983-08-09
    • US256833
    • 1981-04-23
    • Toshio TanakaTomoatsu Makino
    • Toshio TanakaTomoatsu Makino
    • F02P3/04F02P3/045
    • F02P3/0453
    • A supply-voltage-compensated contactless ignition system for internal combustion engines, which includes input transistor operable in response to an engine ignition signal so as to control the operation of a power transistor to control the energization of an ignition coil with the operating level of the input transistors being varied with variation in the supply voltage, further includes a current mirror circuit having first and second current shunt paths including first and second transistors which are connected in parallel with a voltage clamping device such that the each current path substantially the same amount of current when the supply voltage is normal and that one of the current paths shunts a current increased over that of the other in response to a rise of the supply voltage beyond a predetermined value, and includes a shunt device for shunting the increased current to the input transistors.
    • 一种用于内燃机的供应电压补偿的非接触式点火系统,其包括可响应于发动机点火信号操作的输入晶体管,以便控制功率晶体管的操作,以控制点火线圈的通电, 输入晶体管随着电源电压的变化而变化,还包括具有第一和第二电流分流路径的电流镜电路,其包括与电压钳位装置并联连接的第一和第二晶体管,使得每个电流路径基本上相同 当电源电压正常并且电流路径中的一个分流电流响应于电源电压超过预定值而增加到另一个电流时,并且包括用于将增加的电流分流到输入端的分流装置 晶体管。