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    • 73. 发明申请
    • OPHTHALMIC APPARATUS
    • 眼镜装置
    • US20090122263A1
    • 2009-05-14
    • US12269242
    • 2008-11-12
    • Takuya HaraSatoshi Shimada
    • Takuya HaraSatoshi Shimada
    • A61B3/02
    • A61B3/112A61B3/022A61B3/06A61B5/0496A61B5/7264
    • A virtual sensitivity value which is obtained, variously changing a pupil diameter is measured in advance for many examinees, and volume of correction which is necessary at the time when the sensitivity value is corrected into one in a standard pupil diameter is stored as correction volume database. An apparatus has measurement means for measuring the pupil diameter of the eye to be examined, computing means for computing a shape parameter rate of the measured pupil diameter to the standard pupil diameter, and judgment means for computing volume of correction by referring to the correction volume database from the shape parameter rate and correcting the virtual sensitivity value obtained by measurement of the eye to be examined and for judging a sensitivity step of the eye to be examined.
    • 对于许多受检者,预先测量获得的各种变化的瞳孔直径的虚拟灵敏度值,并且将灵敏度值以标准瞳孔直径校正为1时所需的校正量存储为校正体数据库 。 一种装置具有用于测量被检眼睛的瞳孔直径的测量装置,用于将所测量的瞳孔直径的形状参数率计算为标准瞳孔直径的计算装置,以及用于通过参照校正量计算校正量的判断装置 数据库,并且校正通过测量所检查的眼睛获得的虚拟灵敏度值,并判断要检查的眼睛的灵敏度步骤。
    • 74. 再颁专利
    • Non-contact rotational position sensor and throttle valve assembly including non-contact rotational position sensor
    • 非接触式旋转位置传感器和节气门组件包括非接触式旋转位置传感器
    • USRE40523E1
    • 2008-09-30
    • US10797702
    • 2004-03-10
    • Kenji MiyataSatoshi ShimadaFumio TajimaToshifumi UsuiMasanori Kubota
    • Kenji MiyataSatoshi ShimadaFumio TajimaToshifumi UsuiMasanori Kubota
    • G01B7/30
    • G01D5/145
    • A non-contact sensor for sensing a rotational position of a rotating object is provided. A ring-shaped permanent magnet magnetized in the axial direction is sandwiched between two pairs of magnetic plates from above and below. Two pairs of upper and lower protruded magnetic substance portions are provided between the upper and lower magnetic plates at opposite outer ends thereof. Magnetic sensitive devices are inserted in air gaps between the two pairs of upper and lower protruded magnetic substance portions. A magnetic flux generated from the ring-shaped permanent magnet is substantially concentrated to the protruded magnetic substance portions and passes the magnetic sensitive devices. The amount of magnetic flux passing each magnetic sensitive device is substantially proportional to the rotational angle of the ring-shaped permanent magnet. The rotational position of the ring-shaped permanent magnet and hence the rotational position of a rotating shaft supporting the ring-shaped permanent magnet can be sensed in a non-contact manner as a signal output from the magnetic sensitive device. Since the magnetic flux is effectively concentrated to positions where magnetic sensitive devices are attached, a non-contact rotational position sensor having high accuracy and high sensitivity can be obtained.
    • 提供了用于感测旋转物体的旋转位置的非接触传感器。 沿轴向磁化的环形永久磁铁从上下方向夹在两对磁性板之间。 两对上,下突出的磁性体部分设置在上下磁性板之间的相对的外端。 磁敏装置插入两对上下突出的磁性物质部分之间的气隙中。 从环形永久磁铁产生的磁通量大致集中到突出的磁性体部分并通过磁敏装置。 通过每个磁敏装置的磁通量的大小与环形永久磁铁的旋转角成正比。 环形永磁体的旋转位置以及支撑环形永久磁铁的旋转轴的旋转位置可以以非接触的方式被感测为从感应装置输出的信号。 由于磁通量有效地集中在安装了敏感元件的位置,所以可以获得具有高精度和高灵敏度的非接触式旋转位置传感器。
    • 76. 发明申请
    • Sensor adjusting circuit
    • 传感器调节电路
    • US20060239063A1
    • 2006-10-26
    • US11430975
    • 2006-05-10
    • Masahiro MatsumotoSatoshi ShimadaSeikou SuzukiAkihiko SaitoAtsushi MiyazakiKeiji Hanzawa
    • Masahiro MatsumotoSatoshi ShimadaSeikou SuzukiAkihiko SaitoAtsushi MiyazakiKeiji Hanzawa
    • G11C11/00
    • G01D3/022G01D3/02
    • A sensor adjusting circuit for adjusting a digital sensor, whose circuit scale is small and which can maintain high accuracy in a wide adjustment range is provided. A sensor adjusting circuit for adjusting an analog input signal inputted from a sensor and outputting it as another analog output signal in accordance with a physical quantity to be sensed, comprises: a first analog-to-digital converter having an analog integrator (2) for integrating the analog input signal, a comparator (3) for comparing an output of the analog integrator with a predetermined value, and a D/A converter (7) for outputting an output of the comparator as the input signal; and a second digital-to-analog converter (5) for converting the output of the comparator and outputting it as the analog output signal.
    • 提供了一种用于调整数字传感器的传感器调节电路,其电路规模小并且可以在宽的调节范围内保持高精度。 一种传感器调节电路,用于调节从传感器输入的模拟输入信号,并根据要感测的物理量将其输出为另一个模拟输出信号,包括:第一模数转换器,具有模拟积分器(2),用于 积分模拟输入信号,比较器(3),用于将模拟积分器的输出与预定值进行比较;以及D / A转换器(7),用于输出比较器的输出作为输入信号; 以及用于转换比较器的输出并将其作为模拟输出信号输出的第二数模转换器(5)。
    • 80. 发明授权
    • Object image detecting method and system
    • 对象图像检测方法及系统
    • US06181805B2
    • 2001-01-30
    • US08288194
    • 1994-08-09
    • Hideki KoikeSatoshi ShimadaAkira TomonoKenichiro IshiiToshiki Iso
    • Hideki KoikeSatoshi ShimadaAkira TomonoKenichiro IshiiToshiki Iso
    • G06K900
    • G06K9/00288
    • In a dictionary image generating section, images of objects each belonging to any one of L categories are taken by a camera from predetermined M directions, a matching region of the object to be recognized is extracted from each of the object images, and dictionary images (N=L×M, n=1, 2, . . . , N) which are the representatives of combinations of direction and category are generated and stored together with the directions of the objects. When a test image is given, the degree of similarity r(n, X, Y) between an n-th dictionary image and the image region at the matching position (X, Y) in the test image is computed by a matching section. This matching process is repeated with the matching position (X, Y) and the number n of the dictionary image being varied, and the matching position (Xmax, Ymax) where the degree of similarity r(n) becomes the highest is detected.
    • 在字典图像生成部中,通过摄像机从预定的M个方向拍摄属于L个类别中的任一个的对象的图像,从每个对象图像和字典图像中提取要识别的对象的匹配区域 作为方向和类别组合的代表的N = LxM,n = 1,2,...,N)与对象的方向一起生成和存储。 当给出测试图像时,通过匹配部分计算测试图像中第n个词典图像和匹配位置(X,Y)处的图像区域之间的相似度r(n,X,Y)的程度。 重复该匹配处理,匹配位置(X,Y)和字典图像的数量n变化,并且检测相似度r(n)变得最高的匹配位置(Xmax,Ymax)。