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    • 4. 发明授权
    • Motor drive circuit
    • 电机驱动电路
    • US07852035B2
    • 2010-12-14
    • US11916117
    • 2006-05-31
    • Makoto Shimada
    • Makoto Shimada
    • H02P8/18
    • H02P8/18H02P8/22
    • To provide a motor driving circuit and a motor driving system wherein the circuit occupation area is small and the IC size can be reduced.A polarity inversion data generating circuit is provided to use the higher-order bits of an address counter, which do not contribute to the access to a memory, as they are, as polarity inversion instruction data (flag bit). Then, two cyclic memory accesses are performed in the same direction to read a half period of waveform data twice. A polarity inversion instruction is issued for one of the waveform data as read twice. A calculation of the polarity inversion is performed in accordance with the polarity inversion instruction, whereby waveform data corresponding to one period of sinusoidal wave can be simply generated.
    • 为了提供电动机驱动电路和电动机驱动系统,其中电路占用面积小,并且可以减小IC尺寸。 提供极性反转数据产生电路,以将地址计数器的高阶位原样作为极性反转指令数据(标志位)而使它们对存储器的存取无贡献。 然后,在相同的方向上执行两次循环存储器访问以读取两个波形数据的一半周期。 对于读取两次的波形数据之一,发出极性反转指令。 根据极性反转指令执行极性反转的计算,从而可以简单地生成与正弦波的一个周期相对应的波形数据。
    • 5. 发明授权
    • Die for bonding a padding to a covering member in a vehicle seat
    • 用于将衬垫粘合到车辆座椅中的覆盖构件的模具
    • US5425836A
    • 1995-06-20
    • US209968
    • 1994-03-11
    • Makoto ShimadaHideki Kamata
    • Makoto ShimadaHideki Kamata
    • A47C7/18B29C63/22B30B9/00
    • B29C63/22B29L2031/771Y10S297/01Y10T156/1028Y10T156/103
    • A die for pressingly bonding a foam padding to a covering member of assemblage of a vehicle seat, the foam padding being of a one-side-opened type having a hollow therein, which die includes an upper die comprising a main die portion and a movable die member connected hingedly thereto. The movability of such die member allows easy securement of the foam padding to the upper die, as the movable die member is easily inserted into the hollow of the padding, thereby allowing further insertion of the upper die on the whole into within the padding. When pressing the padding against the covering member by use of the upper die, the movable die member is moved within the padding to a position on the same horizontal line with the main die portion, giving a pressure evenly both padding and covering member for effective bonding of them.
    • 一种用于将泡沫填料压紧粘合到车辆座椅的组合件的覆盖部件的模具,所述泡沫填料为具有中空的单侧开口型,该模具包括上模具,该上模具包括主模具部分和可移动的 模具构件铰接在其上。 这种模具构件的可移动性允许容易地将泡沫填充物固定到上模上,因为可移动模具构件容易地插入到填充物的中空部中,从而允许上模进一步插入填充物内。 当通过使用上模将衬垫压靠在覆盖构件上时,可移动模具构件在衬垫内移动到与主模具部分在同一水平线上的位置,均匀地均匀地施加用于有效粘合的衬垫和覆盖构件的压力 的他们。
    • 6. 发明授权
    • Method of covering an automotive seat having a seat belt through-bore
    • 覆盖具有安全带通孔的汽车座椅的方法
    • US5248356A
    • 1993-09-28
    • US946873
    • 1992-09-17
    • Makoto Shimada
    • Makoto Shimada
    • B60N2/58B60R22/22
    • B60R22/22B60N2/5883
    • A method for forming a seat belt through-bore in an automotive seat, which uses a lower die having an opening perforated therein and an upper die movable toward and away from the lower die, the method including the steps of providing a top cover member having an incision therein and two separate covering pieces sewn to a frontal surface of the top cover member such that they are disposed on the opposite sides of the incision, and turning upside down the thus-formed top cover member. In this method process, it is so arranged that, before lowering the upper die to press and bond the top cover member to a cushion member, the free portions of those two covering pieces are inserted into said opening of said lower die, so that the top cover member is placed flat upon the lower die, in order to avoid creation of undesired recession on the top cover member of resultant seat.
    • 一种用于在汽车座椅中形成座椅安全带通孔的方法,其使用具有穿过其中的开口的下模具和能够朝向和远离下模移动的上模具,该方法包括以下步骤:提供具有 其中切口和两个单独的覆盖件缝合到顶盖构件的前表面,使得它们设置在切口的相对侧上,并且将这样形成的顶盖构件倒置。 在该方法工序中,在将上模下降之前将顶盖部件按压并结合到缓冲部件上的情况下,将两个覆盖片的自由部插入到下模的开口部内, 顶盖构件平放在下模上,以避免在合成座的顶盖构件上产生不期望的凹陷。
    • 7. 发明授权
    • Air fuel ratio detecting device
    • 空燃比检测装置
    • US4891121A
    • 1990-01-02
    • US79329
    • 1987-07-30
    • Osamu HirakoYoshiaki DannoMakoto Shimada
    • Osamu HirakoYoshiaki DannoMakoto Shimada
    • G01N27/26F02D41/00F02D41/14F02D45/00G01D1/16G01N27/406G01N27/407G01N27/409G01N27/416G01N27/417G01N27/419G05D11/02
    • G01N27/417G01N27/4065
    • An air fuel ratio detecting device which is improved in accuracy as compared to similar prior art devices comprises a sensor cell for developing an electrical signal in response to the difference between the concentration of oxygen in the exhaust gas and the concentration of oxygen in a reference gas, a controlling means for developing an electrical control signal having a polarity determined from the output of the sensor cell, a pump cell for moving oxygen ions in response to the electrical control signal received from the controlling means, a control current detecting means for detecting control current flow between the controlling means and the pump cell, an air fuel ratio detecting means for detecting the air fuel ratio from the control current flow, a stoichiometric air fuel ratio detecting means for detecting the direction of the control current flow so as to determine the stoichiometric air fuel ratio, a storage means for storing therein a linear air fuel ratio value which is determined in a predetermined functional relationship with respect to the magnitude of the control current flow, a linear air fuel ratio detecting means for detecting the magnitude of the control current flow detected by the control current detecting means so as to compare the same with the stored linear air fuel ratio value from the storage means; and a correcting means for correcting the predetermined functional relationship stored in the storage means when a stoichiometric air fuel ratio signal is developed from the stoichiometric air fuel ratio detecting means.
    • 与类似的现有技术装置相比,精度提高的空燃比检测装置包括响应于废气中的氧浓度与参考气体中的氧浓度之间的差异而发展电信号的传感器单元 ,用于开发根据从所述传感器单元的输出确定的极性的电控制信号的控制装置;响应于从所述控制装置接收的电控信号而移动氧离子的泵室;控制电流检测装置,用于检测控制 控制装置和泵电池之间的电流;用于从控制电流流动中检测空燃比的空燃比检测装置,用于检测控制电流流动方向的理论空燃比检测装置, 化学计量空燃比,其中存储有de的线性空燃比值的存储装置 线性空燃比检测装置,用于检测由控制电流检测装置检测到的控制电流的大小,以便将其与存储的线性 来自所述存储装置的空燃比值; 以及校正装置,用于当从化学计量空燃比检测装置显示理论空燃比信号时,校正存储在存储装置中的预定功能关系。
    • 9. 发明申请
    • Image Sensing Apparatus
    • 影像传感装置
    • US20090224719A1
    • 2009-09-10
    • US11916704
    • 2006-05-31
    • Makoto Shimada
    • Makoto Shimada
    • H02P8/12
    • H04N5/2251H02P8/14
    • An image sensing apparatus, which has a constant-voltage driven stepping motor, comprises a PWM waveform generation part (4) that generates pulse signals to be applied to switching devices (Q1 to Q4); and a PWM waveform determination section (3) that determines a PWM waveform to be generated by the PWM waveform generation section (4). The PWM waveform determination section (3) determines, in accordance with the determined rotation speed value and output torque value of the stepping motor, a duty ratio range that is a range extending from the minimum to the maximum of the duty ratio of the pulse signals. It is designed that the higher the rotational speed value is, the wider the duty ratio width is.
    • 具有恒压驱动的步进电机的图像感测装置包括产生施加到开关装置(Q1〜Q4)的脉冲信号的PWM波形生成部(4)。 以及PWM波形确定部(3),其确定由PWM波形生成部(4)生成的PWM波形。 PWM波形判定部(3)根据所确定的步进电机的转速值和输出转矩值,确定从脉冲信号的占空比的最小值到最大值的范围的占空比范围 。 设计转速越高,占空比越宽。
    • 10. 发明申请
    • Stepping motor driving device
    • 步进电机驱动装置
    • US20070200527A1
    • 2007-08-30
    • US11707424
    • 2007-02-16
    • Takefumi YamanoiMakoto Shimada
    • Takefumi YamanoiMakoto Shimada
    • H02P8/00
    • H02P8/18H02P8/22H02P8/32
    • With a stepping motor driving device, a driving signal generating unit generates a first driving signal and a second driving signal which are to be supplied to an A-phase coil and a B-phase coil of a stepping motor, respectively. A first switching circuit includes multiple switches connected to the A-phase coil of the stepping motor, and controls the current that flows through the A-phase coil according to a first driving signal generated by the driving signal generating unit. A second switching circuit includes multiple switches connected to the B-phase coil of the stepping motor, and controls the current that flows through the B-phase coil according to a second driving signal generated by the driving signal generating unit. The driving signal generating unit has a configuration which provides a function of adjusting the phase difference between the first driving signal and the second driving signal.
    • 利用步进电机驱动装置,驱动信号生成单元分别产生要提供给步进电动机的A相线圈和B相线圈的第一驱动信号和第二驱动信号。 第一开关电路包括连接到步进电动机的A相线圈的多个开关,并且根据由驱动信号产生单元产生的第一驱动信号来控制流过A相线圈的电流。 第二开关电路包括连接到步进电机的B相线圈的多个开关,并且根据由驱动信号生成单元生成的第二驱动信号来控制流过B相线圈的电流。 驱动信号发生单元具有提供调整第一驱动信号和第二驱动信号之间的相位差的功能的结构。