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    • 1. 发明授权
    • Binary digitizer circuit for voltages developed across induction coil
    • 用于跨感应线圈产生电压的二进制数字化电路
    • US4972095A
    • 1990-11-20
    • US403431
    • 1989-09-06
    • Hiroki OkaNobuyoshi NaguraKeiichi Yamamoto
    • Hiroki OkaNobuyoshi NaguraKeiichi Yamamoto
    • G01P3/481G01P3/42G01P3/48H03K5/08
    • H03K5/08G01P3/4802
    • A pulse shaper is disclosed which shapes a vehicle speed signal developed by a tachometer and pulsating with a frequency which is proportional to a vehicle speed into a rectangular wave pulse. A reference potential line is biased above a common potential. The vehicle speed signal has its level clamped to a range from 0.6 V below to 0.6 V above the potential of the reference potential line. A first IC comparator digitizes the clamped speed signal into a binary form around the potential of the reference potential line. When the reference potential line becomes short-circuited to the common potential. The clamped vehicle speed signal which is applied to the inverting input of the first comparator reduces below the common potential, giving rise to the likelihood of an erroneous pulse. A second IC comparator then detects a reduction in the potential of the reference potential line to constrain the output of the first comparator to an L level, preventing an erroneous pulse from being delivered.
    • 公开了一种脉冲整形器,其形成由转速计开发的车速信号,并以与车辆速度成比例的频率脉动为矩形波脉冲。 参考电位线偏于公共电位以上。 车速信号的电平钳位在低于参考电位线电位0.6 V以下0.6 V以上的范围内。 第一个IC比较器将钳位的速度信号数字化为围绕参考电位线的电位的二进制形式。 当参考电位线短路到公共电位时。 施加到第一比较器的反相输入端的钳位车速信号降低到公共电位以下,引起错误脉冲的可能性。 第二IC比较器然后检测参考电位线的电位的减小,以将第一比较器的输出限制为L电平,从而防止错误的脉冲被传送。
    • 3. 发明申请
    • DISPLAY SYSTEM AND DETECTION METHOD
    • 显示系统和检测方法
    • US20130155030A1
    • 2013-06-20
    • US13820584
    • 2011-07-13
    • Michihiro KawaiKeiichi Yamamoto
    • Michihiro KawaiKeiichi Yamamoto
    • G06F3/042
    • G06F3/042G06F3/0428
    • A display system displays objects in a display region in a manner arranged in a predetermined orientation. One light-emitting element of a sensor array emits light to the objects in the predetermined orientation. The display system prestores data which associates numerical value ranges different from each other with the objects, respectively. When light reflected by a finger is received by light-receiving elements of the sensor array, the display system calculates the number of the light-receiving elements that have received the reflected light, identifies one object associated with the numerical value range including the calculated number of the light-receiving elements, from among the objects, based on the calculated number of the light-receiving elements and the stored data, and performs processing corresponding to the identified object.
    • 显示系统以预定方向布置的方式在显示区域中显示对象。 传感器阵列的一个发光元件以预定取向向对象发光。 显示系统预先分别将数据值彼此不同的数据与对象相关联。 当由手指反射的光被传感器阵列的光接收元件接收时,显示系统计算已经接收到反射光的光接收元件的数量,识别与包括计算出的数字的数值范围相关联的一个对象 的光接收元件,基于计算出的光接收元件数量和存储的数据,并且执行与所识别的对象相对应的处理。
    • 5. 发明授权
    • Axial gap type motor and method of manufacturing rotor of motor
    • 轴向间隙式马达及其制造方法
    • US08278794B2
    • 2012-10-02
    • US12918638
    • 2009-10-29
    • Satoshi IshikawaKeiichi YamamotoShoei Abe
    • Satoshi IshikawaKeiichi YamamotoShoei Abe
    • H02K1/27
    • H02K1/30H02K1/2793H02K15/02H02K15/03H02K21/24Y10T29/49012
    • The rotor 11 of an axial gap type motor 10 is provided with a plurality of main magnets 41 respectively magnetized in an axial direction of a rotational axis and disposed at predetermined intervals in a peripheral direction, a plurality of yokes 42 structured by a laminated member 71 produced by winding a tape-shaped electromagnetic steel plate 60 and respectively disposed on both sides of the main magnets 41 in the axial direction, and a rotor frame 30 made of a die-cast alloy and including a plurality of ribs 31 respectively interposed between the main magnets 41 adjoining each other in the peripheral direction and extending in the radial direction, and an inner cylindrical portion 32 and an outer cylindrical portion 33 respectively formed on the radially inner side of the ribs 31 and on the radially outer side of the ribs 31. According to this structure, the yokes structured by the wound laminated member and the rotor frame can be firmly unified with each other, thereby being able to secure such rigidity that can withstand a centrifugal force generated due to the rotation of the rotor and a magnetic suction force given from the stator.
    • 轴向间隙型电动机10的转子11具有分别沿旋转轴的轴向磁化并沿周向以规定间隔设置的多个主磁体41,由层叠部件71构成的多个磁轭42 通过缠绕分别设置在主磁体41的轴向两侧的带状电磁钢板60和由压铸合金制成的转子架30制成,转子架30分别插入在压铸合金中 主磁体41在圆周方向上彼此邻接并沿径向延伸,以及分别形成在肋31的径向内侧上和肋31的径向外侧上的内圆柱形部分32和外圆柱形部分33 根据该结构,由缠绕层叠构件和转子架构成的轭可以彼此牢固地一体化,从而能够 o确保能够承受由于转子的旋转产生的离心力和从定子给出的磁吸力的刚性。
    • 6. 发明申请
    • DISPLAY DEVICE
    • 显示设备
    • US20120229408A1
    • 2012-09-13
    • US13508654
    • 2010-11-05
    • Keiichi Yamamoto
    • Keiichi Yamamoto
    • G06F3/041
    • G06F3/0412G02F1/13338G06F3/0416G06F3/047G06F2203/04104G09G3/3648H01L27/1214
    • A display device includes detection sections each of which is arranged in an associated one of a plurality of pixels, and is configured to detect a pressed position; scan lines and detection lines formed on a first substrate; and a detection driver connected to the detection lines. When the first substrate or a second substrate is pressed, and the detection section in the pressed area is scanned with the scan line, the detection driver detects a voltage applied to the detection section via the detection line. An inspection line to which at least the scan lines or the detection lines are connected in parallel is further formed on the first substrate.
    • 显示装置包括检测部,每个检测部分被布置在多个像素中的相关联的一个中,并且被配置为检测按压位置; 扫描线和形成在第一基板上的检测线; 以及连接到检测线的检测驱动器。 当按下第一基板或第二基板,并且用扫描线扫描按压区域中的检测部分时,检测驱动器通过检测线检测施加到检测部分的电压。 至少扫描线或检测线并联连接的检查线进一步形成在第一基板上。
    • 8. 发明授权
    • Axial gap motor
    • 轴向间隙电机
    • US08035266B2
    • 2011-10-11
    • US12596289
    • 2008-02-25
    • Hirofumi AtarashiShoei AbeKeiichi Yamamoto
    • Hirofumi AtarashiShoei AbeKeiichi Yamamoto
    • H02K1/27H02K21/24
    • H02K21/24H02K1/2793
    • An axial gap motor includes: a rotor; and a stator, wherein: the rotor includes a plurality of main permanent magnet parts and a plurality of auxiliary permanent magnet parts, the auxiliary permanent magnet parts being disposed near an end portion of each of the main permanent magnet parts and a magnetizing direction of each of the auxiliary permanent magnet parts corresponding to a direction perpendicular to the direction of the rotational axis; each of the stators includes a plurality of teeth arranged in a circumferential direction and protruding toward the rotor along the rotational axis, and a circumferential distance between a circumferential direction first end and a circumferential direction second end of each of the auxiliary permanent magnet parts on a surface opposite the stator is larger than a slot width of a slot defined between the teeth adjacent in the circumferential direction.
    • 轴向间隙马达包括:转子; 和定子,其中:所述转子包括多个主永磁体部件和多个辅助永磁体部件,所述辅助永磁体部件设置在每个所述主永磁体部件的端部附近和每个所述主永磁体部件的磁化方向 所述辅助永磁体部件对应于与所述旋转轴线的方向垂直的方向; 每个定子包括沿圆周方向布置并沿着旋转轴线朝向转子突出的多个齿,并且每个辅助永磁体部分的圆周方向第一端和圆周​​方向第二端之间的周向距离在 与定子相对的表面的尺寸大于在圆周方向上相邻的齿之间限定的槽的槽宽度。
    • 10. 发明授权
    • Controller of electric motor
    • 电动机控制器
    • US07872440B2
    • 2011-01-18
    • US12058944
    • 2008-03-31
    • Hirofumi AtarashiShoei AbeKeiichi YamamotoShigeru Tajima
    • Hirofumi AtarashiShoei AbeKeiichi YamamotoShigeru Tajima
    • H02P25/16
    • H02P21/0003B60L11/14B60L15/007B60L15/025B60L15/20B60L2220/14B60L2220/16B60L2220/50B60L2220/58B60L2240/421B60L2240/423H02P21/02Y02T10/641Y02T10/643Y02T10/70Y02T10/7077Y02T10/72Y02T10/7275
    • A controller of an electric motor for improving operation efficiency in performing electric conducting control of the electric motor of an axial air-gap type is provided. Therefore, the controller of the electric motor (3) of the axial air-gap type including a rotor (11) having a permanent magnet, a first stator (12a) and a second stator (12b) oppositely arranged through the rotor (11) in a rotation axis direction of the rotor (11), and armature windings (13a, 13b) mounted to the first stator (12a) and the second stator (12b) has an electric current command determining section (30) for switching between a both-side stator driving mode for conducting a driving electric current to both the armature winding (13a) of the first stator (12a) and the armature winding (13b) of the second stator (12b), and a one-side stator driving mode for conducting the driving electric current to only the armature winding (13a) of the first stator (12a) in accordance with a request value Tr_c of output torque of the electric motor (3).
    • 提供了一种用于提高对轴向气隙型电动机进行导电控制的操作效率的电动机的控制器。 因此,包括具有永磁体的转子(11)和通过转子(11)相对配置的第一定子(12a)和第二定子(12b)的轴向气隙型电动机(3)的控制器, 在转子(11)的旋转轴线方向上,安装在第一定子(12a)和第二定子(12b)上的电枢绕组(13a,13b)具有电流指令判断部(30),用于在两者 用于对第一定子(12a)的电枢绕组(13a)和第二定子(12b)的电枢绕组(13b)进行驱动电流的侧面定子驱动模式,以及用于 根据电动机(3)的输出转矩的请求值Tr_c,将驱动电流仅驱动到第一定子(12a)的电枢绕组(13a)。