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    • 2. 发明授权
    • Capacitive dynamic quantity sensor device
    • 电容式动态传感器装置
    • US06935176B2
    • 2005-08-30
    • US10834166
    • 2004-04-29
    • Keisuke GotoTameharu Ohta
    • Keisuke GotoTameharu Ohta
    • G01P15/08G01P15/125H01L29/84H01G7/00
    • G01P15/125G01P2015/0814
    • A sensor chip (100) includes comb-toothed movable electrodes (24) displaceable in a Y-direction, and comb-toothed stationary electrodes (30, 31, 40, 41) arranged to confront those movable electrodes (24), on one face side of a semiconductor substrate (10). The sensor chip (100) detects acceleration on the basis of a capacity change accompanying an acceleration application in the Y-direction between the movable electrodes (24) and the stationary electrodes (30, 31, 41, 42). The stationary electrodes (30, 31, 41, 42) are individually disposed to confront each other on one and other sides of the direction taken along the Y-direction in the individual movable electrodes (24). The individual electrode pads (25a, 30a, 31a, 40a, 41a) and the circuit chip (200) are electrically connected by bump electrodes (300) so that one face of the substrate (10) confronts the circuit chip (200).
    • 传感器芯片(100)包括可沿Y方向移位的梳齿可动电极(24),以及梳齿固定电极(30,31,40,41),其布置成在一个面上与所述可动电极(24)相对 一侧的半导体衬底(10)。 传感器芯片(100)基于伴随着可动电极(24)和固定电极(30,31,41,42)之间的Y方向上的加速度施加的容量变化来检测加速度。 固定电极(30,31,41,42)分别设置成在各个可动电极(24)中沿着Y方向取向的方向的一侧和另外侧彼此面对。 单独的电极焊盘(25 a,30 a,31 a,40 a,41 a)和电路芯片(200)通过凸块电极(300)电连接,使得衬底(10)的一个面与电路芯片 (200)。
    • 8. 发明授权
    • DLL circuit and method of generating timing signals
    • DLL电路和产生定时信号的方法
    • US06836165B2
    • 2004-12-28
    • US09826179
    • 2001-04-04
    • Keisuke GotoSachiko Edo
    • Keisuke GotoSachiko Edo
    • G06F104
    • G11C7/222G06F1/04G11C7/22H03L7/0812
    • A DLL circuit includes a delay circuit, a phase comparing circuit and a delay control circuit. The delay circuit is connected to first and second nodes, and delays an original clock signal supplied to the first node based on a delay control signal and generates first to n-th (n is an integer more than 1) internal clock signals. The first internal clock signal is outputted from the second node. Also, the internal clock signals other than the first internal clock signal are outputted from the delay circuit without passing through the second node, and lead the first internal clock signal in phase. The phase comparing circuit compares the original clock signal supplied from the first node and the first internal clock signal supplied from the second node, and outputs a phase difference of the original clock signal and the first internal clock signal. The delay control circuit outputs the delay control signal to the delay circuit based on the phase difference outputted from the phase comparing circuit.
    • DLL电路包括延迟电路,相位比较电路和延迟控制电路。 延迟电路连接到第一和第二节点,并且基于延迟控制信号延迟提供给第一节点的原始时钟信号,并且产生第一至第n(n是大于1的整数)内部时钟信号。 第一内部时钟信号从第二节点输出。 此外,除了第一内部时钟信号之外的内部时钟信号从延迟电路输出而不通过第二节点,并且同步地引导第一内部时钟信号。 相位比较电路比较从第一节点提供的原始时钟信号和从第二节点提供的第一内部时钟信号,并输出原始时钟信号和第一内部时钟信号的相位差。 延迟控制电路基于从相位比较电路输出的相位差将延迟控制信号输出到延迟电路。
    • 9. 发明授权
    • Method and system for detecting elliptical objects
    • 用于检测椭圆物体的方法和系统
    • US4618989A
    • 1986-10-21
    • US572535
    • 1984-01-19
    • Hideo TsukuneKeisuke Goto
    • Hideo TsukuneKeisuke Goto
    • G01B11/24G01B11/00G06K9/46G06T7/60H04N7/18
    • G06K9/4633
    • In order to define the contour of an ellipse, it is necessary to determine five unknown parameters in the general equation representative of centered conics. When directly applying Hough transformation method to the above equation, since a five-dimensional space is required, it is practically impossible to detect an ellipse because a long processing time and a great amount of memory capacity are inevitably required. To overcome these problems, the geometric properties of an ellipse are determined separately on three parameter sub-spaces obtained on the basis of edge vector field: two-dimensional center histogram and two-dimensional (H, B) histogram, one-dimensional C histogram. A peak value on the center histogram represents a group of ellipse having the same center locations; a peak value on the (H, B) histogram represents a group of concentric ellipse having the same eccentricity and axis slope; a peak value on the C histogram defines a single ellipse. By sequentially selecting these peaks in the three sub-spaces, it is possible to define geometric properties of an ellipse under practical processing conditions. In order to define a plurality of ellipses efficiently, several novel methods have been adopted: separation of the rotation directions of edge vector field, recovery of edge vectors having no mate edge vectors; adoption of least mean square method, etc., in particular.
    • 为了定义椭圆的轮廓,有必要在代表中心圆锥曲线的一般方程中确定五个未知参数。 当直接应用霍夫变换方法到上述方程时,由于需要五维空间,所以实际上不可能检测椭圆,因为不可避免地需要长的处理时间和大量的存储容量。 为了克服这些问题,椭圆的几何特性分别在基于边缘矢量场获得的三个参数子空间上确定:二维中心直方图和二维(H,B)直方图,一维C直方图 。 中心直方图上的峰值表示具有相同中心位置的一组椭圆; (H,B)直方图上的峰值表示具有相同偏心度和轴斜率的同心椭圆组; C直方图上的峰值定义了单个椭圆。 通过在三个子空间中依次选择这些峰,可以在实际处理条件下定义椭圆的几何特性。 为了有效地定义多个椭圆,已经采用了几种新颖的方法:边缘矢量场的旋转方向的分离,没有配合边缘向量的边缘向量的恢复; 采用最小均方法等。