公开(公告)号：US07427859B2

公开(公告)日：2008-09-23

申请号：US11200088

申请日：2005-08-10

申请人： Seiji Fukuoka ,  Toshinao Kido

发明人： Seiji Fukuoka ,  Toshinao Kido

IPC分类号： G01B7/30

CPC分类号： G01D5/147 ,  G01D5/24438

摘要： A moving body detecting apparatus including at least a gear 1 as a magnetic moving body including at least one of a projected portion or a recessed portion, a bias magnet 5 for applying a bias magnetic field thereto, and two pairs of spin valve type giant magneto resistive elements R1, R2 and R3, R4, in which the moving body detecting apparatus is arranged such that magnetizing directions of pinned layers of the paired spin valve type giant magneto resistive elements are directed to direct substantially in a forward direction and substantially in an opposite direction relative to the direction of moving the gear 1, for example, linearly. In a first state in which a change in a magnetic field by the projected portion 2 of the gear 1 is not substantially received, the magnetic field at positions of the elements R1 through R4 includes a component forwardly in parallel or in anti-parallel with the magnetizing directions of the pinned layers of the elements R1through R4, and in a second state of receiving the change in the magnetic field by the projected portion 2, a direction of a component of the magnetic field at the positions of the elements R1 through R4 in parallel with the magnetizing directions of the pinned layers is inversed.

摘要翻译： 一种移动体检测装置，至少包括作为磁性移动体的齿轮1，其包括突出部分或凹部中的至少一个，用于施加偏置磁场的偏置磁体5和两对自旋阀型巨磁电机 电阻元件R 1，R 2和R 3，R 4，其中移动体检测装置被布置成使得成对的自旋阀型巨磁阻元件的钉扎层的磁化方向基本上指向正向， 基本上相对于移动齿轮1的方向相反的方向，例如线性地。 在基本上不接收齿轮1的突出部分2的磁场变化的第一状态下，元件R 1至R 4的位置处的磁场包括平行或反向平行的分量 通过元件R 1至R 4的被钉扎层的磁化方向，并且在由突出部分2接收磁场变化的第二状态下，磁场的分量的方向在 元件R 1至R 4与被钉扎层的磁化方向平行地反转。

公开(公告)号：US20070035293A1

公开(公告)日：2007-02-15

申请号：US11200088

申请日：2005-08-10

申请人： Seiji Fukuoka ,  Toshinao Kido

发明人： Seiji Fukuoka ,  Toshinao Kido

IPC分类号： G01B7/30

CPC分类号： G01D5/147 ,  G01D5/24438

摘要： A moving body detecting apparatus including at least a gear 1 as a magnetic moving body including at least one of a projected portion or a recessed portion, a bias magnet 5 for applying a bias magnetic field thereto, and two pairs of spin valve type giant magneto resistive elements R1, R2 and R3, R4, in which the moving body detecting apparatus is arranged such that magnetizing directions of pinned layers of the paired spin valve type giant magneto resistive elements are directed to direct substantially in a forward direction and substantially in an opposite direction relative to the direction of moving the gear 1, for example, linearly. In a first state in which a change in a magnetic field by the projected portion 2 of the gear 1 is not substantially received, the magnetic field at positions of the elements R1 through R4 includes a component forwardly in parallel or in anti-parallel with the magnetizing directions of the pinned layers of the elements R1through R4, and in a second state of receiving the change in the magnetic field by the projected portion 2, a direction of a component of the magnetic field at the positions of the elements R1 through R4 in parallel with the magnetizing directions of the pinned layers is inversed.

摘要翻译： 一种移动体检测装置，至少包括作为磁性移动体的齿轮1，其包括突出部分或凹部中的至少一个，用于施加偏置磁场的偏置磁体5和两对自旋阀型巨磁电机 电阻元件R 1，R 2和R 3，R 4，其中移动体检测装置被布置成使得成对的自旋阀型巨磁阻元件的钉扎层的磁化方向基本上指向正向， 基本上相对于移动齿轮1的方向相反的方向，例如线性地。 在基本上不接收齿轮1的突出部分2的磁场变化的第一状态下，元件R 1至R 4的位置处的磁场包括平行或反向平行的分量 通过元件R 1至R 4的被钉扎层的磁化方向，并且在由突出部分2接收磁场变化的第二状态下，磁场的分量的方向在 元件R 1至R 4与被钉扎层的磁化方向平行地反转。

公开(公告)号：US20110133724A1

公开(公告)日：2011-06-09

申请号：US12954951

申请日：2010-11-29

申请人： Seiji Fukuoka ,  Toshinao Kido ,  Keiji Suzuki ,  Ryoichi Menju

发明人： Seiji Fukuoka ,  Toshinao Kido ,  Keiji Suzuki ,  Ryoichi Menju

IPC分类号： G01B7/30

CPC分类号： G01D5/2454

摘要： Magnetic members are arranged along a straight line and can be placed face-to-face with spin-valve magnetoresistive elements. The magnetic pole faces of the magnetic members which can be face-to-face with the spin-valve magnetoresistive elements have different magnetic polarities from the magnetic pole faces of neighboring magnetic members. The magnetic members are arranged at a uniform pitch. Each magnetic member is spaced from neighboring magnetic members. X/P is from 40% to 60%, where X is length of each magnetic member along an arrangement direction of the magnetic members, and P is pitch of the magnetic members along the arrangement direction.

摘要翻译： 磁性构件沿着直线布置，并且可以与自旋阀磁阻元件面对面放置。 可以与自旋阀磁阻元件面对面的磁性部件的磁极面与相邻的磁性部件的磁极面具有不同的磁极性。 磁性构件以均匀的间距排列。 每个磁性构件与相邻的磁性构件间隔开。 X / P为40％〜60％，其中X是沿着磁性构件的排列方向的每个磁性构件的长度，P是磁性构件沿排列方向的间距。

公开(公告)号：US07221149B2

公开(公告)日：2007-05-22

申请号：US11407331

申请日：2006-04-20

申请人： Seiji Fukuoka ,  Eiichi Nunokawa ,  Toshinao Kido ,  Kunihiko Fukui

发明人： Seiji Fukuoka ,  Eiichi Nunokawa ,  Toshinao Kido ,  Kunihiko Fukui

IPC分类号： G01P3/44 ,  G01R33/06

CPC分类号： G01P1/026 ,  G01D5/147 ,  G01D11/245 ,  G01P3/488

摘要： A moving object detection device has a magnetic sensor element, a permanent magnet for applying a magnetic field to the magnetic sensor element; a board on which electronic parts are mounted, a holder; and a case. The holder has an integral approximately box-shaped support part to hold the magnet and the board, and the holder is inserted into the case so that the magnetic sensor element, the permanent magnet, and the board are contained in the case. The holder and the case are fitted and fastened to each other by concave-convex-shaped elements.

摘要翻译： 移动物体检测装置具有磁传感器元件，用于向磁传感器元件施加磁场的永磁体; 安装电子部件的板，保持器; 和一个案例。 保持器具有一体的近似盒状的支撑部分以保持磁体和板，并且保持器插入壳体中，使得磁性传感器元件，永磁体和板被包含在壳体中。 保持器和壳体通过凹凸元件彼此安装和紧固。

公开(公告)号：US20060244439A1

公开(公告)日：2006-11-02

申请号：US11407331

申请日：2006-04-20

申请人： Seiji Fukuoka ,  Eiichi Nunokawa ,  Toshinao Kido ,  Kunihiko Fukui

发明人： Seiji Fukuoka ,  Eiichi Nunokawa ,  Toshinao Kido ,  Kunihiko Fukui

IPC分类号： G01B7/30

CPC分类号： G01P1/026 ,  G01D5/147 ,  G01D11/245 ,  G01P3/488

摘要： A moving object detection device has a magnetic sensor element, a permanent magnet for applying a magnetic field to the magnetic sensor element; a board on which electronic parts are mounted, a holder; and a case. The holder has an integral approximately box-shaped support part to hold the magnet and the board, and the holder is inserted into the case so that the magnetic sensor element, the permanent magnet, and the board are contained in the case. The holder and the case are fitted and fastened to each other by concave-convex-shaped elements.

摘要翻译： 移动物体检测装置具有磁传感器元件，用于向磁传感器元件施加磁场的永磁体; 安装电子部件的板，保持器; 和一个案例。 保持器具有一体的近似盒状的支撑部分以保持磁体和板，并且保持器插入壳体中，使得磁性传感器元件，永磁体和板被包含在壳体中。 保持器和壳体通过凹凸元件彼此安装和紧固。

公开(公告)号：US08896294B2

公开(公告)日：2014-11-25

申请号：US12954951

申请日：2010-11-29

申请人： Seiji Fukuoka ,  Toshinao Kido ,  Keiji Suzuki ,  Ryoichi Menju

发明人： Seiji Fukuoka ,  Toshinao Kido ,  Keiji Suzuki ,  Ryoichi Menju

IPC分类号： G01R33/06 ,  G01D5/245

CPC分类号： G01D5/2454

摘要： Magnetic members are arranged along a straight line and can be placed face-to-face with spin-valve magnetoresistive elements. The magnetic pole faces of the magnetic members which can be face-to-face with the spin-valve magnetoresistive elements have different magnetic polarities from the magnetic pole faces of neighboring magnetic members. The magnetic members are arranged at a uniform pitch. Each magnetic member is spaced from neighboring magnetic members. X/P is from 40% to 60%, where X is length of each magnetic member along an arrangement direction of the magnetic members, and P is pitch of the magnetic members along the arrangement direction.

摘要翻译： 磁性构件沿着直线布置，并且可以与自旋阀磁阻元件面对面放置。 可以与自旋阀磁阻元件面对面的磁性部件的磁极面与相邻的磁性部件的磁极面具有不同的磁极性。 磁性构件以均匀的间距排列。 每个磁性构件与相邻的磁性构件间隔开。 X / P为40％〜60％，其中X是沿着磁性构件的排列方向的每个磁性构件的长度，P是沿着排列方向的磁性构件的间距。