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    • 1. 发明授权
    • Permanent magnet type position sensor
    • 永磁式位置传感器
    • US07893688B2
    • 2011-02-22
    • US12181783
    • 2008-07-29
    • Takashi KawashimaKimio UchidaYukinobu KajitaTatsuya KitanakaKoichiro MatsumotoYoshiyuki KonoHisataka OkadoHiroyuki Shintani
    • Takashi KawashimaKimio UchidaYukinobu KajitaTatsuya KitanakaKoichiro MatsumotoYoshiyuki KonoHisataka OkadoHiroyuki Shintani
    • G01B7/14
    • G01D5/145
    • A position sensor includes a longitudinally extending permanent magnet member at least two longitudinally extending arc-shaped projecting elements respectively projecting from the opposite ends toward the inside space to confront each other at a distance and a pair of compatible main magnetic sensors disposed in the inside space along the longitudinal axis at an interval so as to generate a pair of output signals when the permanent magnet member shifts along the longitudinal axis. The opposite ends of the permanent magnet member are configured to surround a common inside space and polarized to have opposite magnetic poles so as to provide in the inside space a magnetic field whose magnetic flux density becomes a maximum at a longitudinal center of the inside space and gradually becomes smaller as a position of the inside space shifts from the longitudinal center along a longitudinal axis of the permanent magnet members. The arc-shaped projecting elements are arranged so that the magnetic flux density and each of the output signals can be expressed by a cosine of a shift value from the longitudinal center, and the interval is ¼ of the cycle of the cosine.
    • 位置传感器包括纵向延伸的永磁体构件,其至少两个纵向延伸的弧形突起元件,其分别从相对端向内部空间突出以相隔一定距离,并且一对相容的主磁传感器设置在内部空间 沿着纵轴以一定的间隔,以便当永磁体部件沿着纵向轴线移动时产生一对输出信号。 永久磁铁构件的相对端构成为包围共同的内部空间并且被极化以具有相反的磁极,以便在内部空间中提供在内部空间的纵向中心处的磁通密度变为最大的磁场,以及 随着内部空间的位置沿纵向中心沿永久磁铁构件的纵向轴线偏移,逐渐变小。 弧形突出元件被布置成使得磁通密度和每个输出信号可以由来自纵向中心的偏移值的余弦来表示,并且间隔是余弦周期的1/4。
    • 2. 发明申请
    • PERMANENT MAGNET TYPE POSITION SENSOR
    • 永磁体类型位置传感器
    • US20090033315A1
    • 2009-02-05
    • US12181783
    • 2008-07-29
    • Takashi KawashimaKimio UchidaYukinobu KajitaTatsuya KitanakaKoichiro MatsumotoYoshiyuki KonoHisataka OkadoHiroyuki Shintani
    • Takashi KawashimaKimio UchidaYukinobu KajitaTatsuya KitanakaKoichiro MatsumotoYoshiyuki KonoHisataka OkadoHiroyuki Shintani
    • G01B7/00
    • G01D5/145
    • A position sensor includes a longitudinally extending permanent magnet member at least two longitudinally extending arc-shaped projecting elements respectively projecting from the opposite ends toward the inside space to confront each other at a distance and a pair of compatible main magnetic sensors disposed in the inside space along the longitudinal axis at an interval so as to generate a pair of output signals when the permanent magnet member shifts along the longitudinal axis. The opposite ends of the permanent magnet member are configured to surround a common inside space and polarized to have opposite magnetic poles so as to provide in the inside space a magnetic field whose magnetic flux density becomes a maximum at a longitudinal center of the inside space and gradually becomes smaller as a position of the inside space shifts from the longitudinal center along a longitudinal axis of the permanent magnet members. The arc-shaped projecting elements are arranged so that the magnetic flux density and each of the output signals can be expressed by a cosine of a shift value from the longitudinal center, and the interval is ¼ of the cycle of the cosine.
    • 位置传感器包括纵向延伸的永磁体构件,其至少两个纵向延伸的弧形突起元件,其分别从相对端向内部空间突出以相隔一定距离,并且一对相容的主磁传感器设置在内部空间 沿着纵轴以一定的间隔,以便当永磁体部件沿着纵向轴线移动时产生一对输出信号。 永久磁铁构件的相对端构成为包围共同的内部空间并且被极化以具有相反的磁极,以便在内部空间中提供在内部空间的纵向中心处的磁通密度变为最大的磁场,以及 随着内部空间的位置沿纵向中心沿永久磁铁构件的纵向轴线偏移,逐渐变小。 弧形突出元件被布置成使得磁通密度和每个输出信号可以由来自纵向中心的偏移值的余弦来表示,并且间隔是余弦周期的1/4。
    • 5. 发明申请
    • STROKE SENSOR AND ROTATION ANGLE SENSOR
    • STROKE传感器和旋转角度传感器
    • US20100188074A1
    • 2010-07-29
    • US12694628
    • 2010-01-27
    • Koichiro MatsumotoTetsuya AokiTakashi KawashimaTatsuya KitanakaYoshiyuki Kono
    • Koichiro MatsumotoTetsuya AokiTakashi KawashimaTatsuya KitanakaYoshiyuki Kono
    • G01B7/30
    • G01D5/145F02D41/009
    • A stroke sensor has two magnets, which are magnetized in a cross-section direction and are displaced in a longitudinal direction, and two magnetism sensitive sections arranged parallel to the longitudinal direction. The magnets have circular-arc-shaped swelling end edges respectively and are magnetized such that the swelling end edges have opposite polarities. Thus, a distribution of a magnetic flux density on an arrangement axis substantially coincides with a sine curve. The magnetic flux having such the distribution is displaced in the longitudinal direction together with the magnets. The magnetism sensitive sections are arranged on the arrangement axis to be distant from each other by a distance of one fourth of a cycle of the sine curve. Thus, the stroke sensor that is not affected by temperature and that has high sensing accuracy can be provided.
    • 行程传感器具有两个在横截面方向被磁化并沿纵向位移的磁体和两个平行于纵向排列的磁感应部分。 磁体分别具有圆弧形的膨胀端边缘并被磁化,使得膨胀端边缘具有相反的极性。 因此,布置轴上的磁通密度的分布基本上与正弦曲线一致。 具有这种分布的磁通与磁体一起在纵向方向上移位。 磁感应部分布置在布置轴上,以相对于正弦曲线的周期的四分之一的距离彼此远离。 因此,可以提供不受温度影响并且具有高感测精度的行程传感器。
    • 6. 发明授权
    • Stroke sensor and rotation angle sensor
    • 行程传感器和旋转角度传感器
    • US08368391B2
    • 2013-02-05
    • US12694628
    • 2010-01-27
    • Koichiro MatsumotoTetsuya AokiTakashi KawashimaTatsuya KitanakaYoshiyuki Kono
    • Koichiro MatsumotoTetsuya AokiTakashi KawashimaTatsuya KitanakaYoshiyuki Kono
    • G01B7/14
    • G01D5/145F02D41/009
    • A stroke sensor has two magnets, which are magnetized in a cross-section direction and are displaced in a longitudinal direction, and two magnetism sensitive sections arranged parallel to the longitudinal direction. The magnets have circular-arc-shaped swelling end edges respectively and are magnetized such that the swelling end edges have opposite polarities. Thus, a distribution of a magnetic flux density on an arrangement axis substantially coincides with a sine curve. The magnetic flux having such the distribution is displaced in the longitudinal direction together with the magnets. The magnetism sensitive sections are arranged on the arrangement axis to be distant from each other by a distance of one fourth of a cycle of the sine curve. Thus, the stroke sensor that is not affected by temperature and that has high sensing accuracy can be provided.
    • 行程传感器具有两个在横截面方向被磁化并沿纵向位移的磁体和两个平行于纵向排列的磁感应部分。 磁体分别具有圆弧形的膨胀端边缘并被磁化,使得膨胀端边缘具有相反的极性。 因此,布置轴上的磁通密度的分布基本上与正弦曲线一致。 具有这种分布的磁通与磁体一起在纵向方向上移位。 磁感应部分布置在布置轴上,以相对于正弦曲线的周期的四分之一的距离彼此远离。 因此,可以提供不受温度影响并且具有高感测精度的行程传感器。
    • 7. 发明授权
    • Stroke amount detecting device
    • 行程量检测装置
    • US08558539B2
    • 2013-10-15
    • US13082788
    • 2011-04-08
    • Koichiro MatsumotoYoshiyuki KonoHitomi Honda
    • Koichiro MatsumotoYoshiyuki KonoHitomi Honda
    • G01B7/14
    • G01D5/145
    • A stroke amount detecting device includes a first magnetic field generation member, a second magnetic field generation member, and a magnetic sensor unit. The first magnetic field generation member and the second magnetic field generation member are opposed to each other with respect to a direction perpendicular to a straight stroking axis of a stroking object, and magnetized in opposite directions. The magnetic sensor unit is movable in an area between the first magnetic field generation member and the second magnetic field generation member, along a straight traveling axis that is parallel to the straight stroking axis relative to the first magnetic field generation member and the second magnetic field generation member in accordance with a stroke motion of the stroking object. The magnetic sensor unit has a magnetosensitive surface facing a direction parallel to the traveling axis, thereby to detect an amount of stroke of the object.
    • 行程量检测装置包括第一磁场产生部件,第二磁场产生部件和磁传感器部件。 第一磁场产生部件和第二磁场产生部件相对于与抚摸物体的直线行进轴垂直的方向相互相对,并且沿相反方向磁化。 磁传感器单元可沿第一磁场产生部件和第二磁场产生部件之间的区域沿着相对于第一磁场产生部件与直线行程轴平行的直线行进轴移动,第二磁场 根据抚摸物体的行程运动产生构件。 磁传感器单元具有面向与行进轴平行的方向的磁感应表面,从而检测物体的行程。
    • 8. 发明授权
    • Rotation angle detecting unit
    • 旋转角度检测单元
    • US08779761B2
    • 2014-07-15
    • US13223532
    • 2011-09-01
    • Satoru HiramotoYoshiyuki KonoAkitoshi MizutaniKoichiro Matsumoto
    • Satoru HiramotoYoshiyuki KonoAkitoshi MizutaniKoichiro Matsumoto
    • G01B7/30
    • G01D11/245G01D5/145
    • A rotation angle detecting unit includes an IC package having a magnetism detecting element, a sealing body, and leads; and a covering member having a fixing part and a supporting part, which are integrally formed from resin. The element outputs a signal according to change of a magnetic field generated upon rotation of a magnetism generating device attached to a detection object. The sealing body covers the element. The leads are connected to the element, and project from the sealing body. The fixing part is fixed to a supporting body so that the covering member is attached to the supporting body. The supporting part supports the package such that the element can output the signal. The package is press-fitted into the supporting part after its formation, so that the package is supported by the supporting part with a predetermined pressure applied to part of an outer wall of the sealing body.
    • 旋转角度检测单元包括具有磁检测元件,密封体和引线的IC封装; 以及具有由树脂一体形成的固定部和支撑部的覆盖部件。 该元件根据安装在检测对象上的磁性发生装置的旋转时产生的磁场的变化而输出信号。 密封体覆盖该元件。 引线连接到元件,并从密封体突出。 固定部固定在支撑体上,使得覆盖部件安装在支撑体上。 支撑部件支撑包装,使得元件可以输出信号。 该包装在其形成之后被压配合到支撑部分中,使得包装件以预定的压力被支撑部分支撑到密封体的外壁的一部分上。
    • 9. 发明申请
    • SENSOR MODULE
    • 传感器模块
    • US20120181641A1
    • 2012-07-19
    • US13348904
    • 2012-01-12
    • Satoru HIRAMOTOYoshiyuki KonoAkitoshi MizutaniTakamitsu KubotaKoichiro Matsumoto
    • Satoru HIRAMOTOYoshiyuki KonoAkitoshi MizutaniTakamitsu KubotaKoichiro Matsumoto
    • H01L29/82
    • F02D9/107F02D2009/0213
    • A sensor module includes a sensor, a module cover, and a wiring unit. The cover holds the sensor and includes a connector configured to make a connection with an external device. The wiring unit is held by the cover and is arranged from the connector to the sensor. The wiring unit includes a connecting member extending from the connector to a central region of the cover in its width direction and a wiring member extending from the central region of the cover in its width direction to a vicinity of the sensor. The cover and the connecting member are integrally formed from a mold material having insulation properties. The connecting member includes a first connecting terminal exposed at the central region of the cover. The wiring member includes a second connecting terminal conductively joined to the first connecting terminal.
    • 传感器模块包括传感器,模块盖和布线单元。 盖保持传感器并且包括被配置为与外部设备连接的连接器。 接线单元由盖子保持,并从连接器设置到传感器。 布线单元包括从连接器沿其宽度方向延伸到盖的中心区域的连接构件和从盖的中心区域沿宽度方向延伸到传感器附近的布线构件。 盖和连接构件由具有绝缘性的模具材料一体地形成。 连接构件包括在盖的中心区域露出的第一连接端子。 布线构件包括与第一连接端子导电接合的第二连接端子。