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    • 72. 发明授权
    • Golf club head and golf club using the same
    • 高尔夫球杆头和高尔夫球杆使用相同
    • US07537527B2
    • 2009-05-26
    • US11418243
    • 2006-05-05
    • Akio Yamamoto
    • Akio Yamamoto
    • A63B53/04
    • A63B53/0466A63B60/42A63B2053/0408A63B2053/0412A63B2053/0433A63B2209/00A63B2209/023
    • Vertical planes equally dividing space between a position of the shaft-hole axis of a head to a rearmost point of the head are defined as first vertical plane S1 to fifth vertical plane S5 starting from a face side. In a view showing a second contour R2 and a fourth contour R4 in overlapping relation, the second contour is defined by an intersection of the second vertical plane S2 and a head outside surface, and the fourth contour is defined by an intersection of the fourth vertical plane and the head outside surface. In this overlap view, toe-1 point t1 to toe-8 point t8are defined on a toe-side line portion of the second contour R2. Toe-side gaps T1 to T8 between the second contour R2 and the fourth contour R4 with respect to the respective points t1 to t8 are defined according to predetermined specifications.
    • 将头部的轴孔轴线的位置与头部的最后点之间的空间相等的垂直平面定义为从正面开始的第一垂直平面S1至第五垂直平面S5。 在示出重叠关系的第二轮廓R2和第四轮廓R4的视图中,第二轮廓由第二垂直平面S2和头部外表面的交点限定,并且第四轮廓由第四垂直线 平面和头部外表面。 在该重叠视图中,在第二轮廓R2的脚趾侧线部分上限定脚趾1点t1至脚趾8点t8。 根据规定的规格来定义相对于各点t1〜t8的第二轮廓R2和第四轮廓R4之间的前端侧间隙T1〜T8。
    • 73. 发明授权
    • Quadrature mixer circuit and RF communication semiconductor integrated circuit
    • 正交混频电路和射频通信半导体集成电路
    • US07511557B2
    • 2009-03-31
    • US11581776
    • 2006-10-17
    • Yutaka IgarashiAkio Yamamoto
    • Yutaka IgarashiAkio Yamamoto
    • G06G7/44
    • H03D7/166H03B27/00H03D7/1433H03D7/1458H03D7/165H03D2200/0043
    • A quadrature mixer circuit and an RF communication semiconductor integrated circuit capable of suppressing variations in secondary distortion while reducing the current consumption are provided. In a quadrature mixer circuit, even if local signals different by 90 degrees inputted to the bases of I transistors and Q transistors have large amplitudes, interference is suppressed by I resistors, Q resistors, and capacitors. Also, since the capacitors are provided, changes in bias current values can be suppressed. Accordingly, variations in secondary distortion can be suppressed. Furthermore, the capacitors combine current outputs of a differential circuit formed of I transistors and the resistor and a differential circuit formed of Q transistors and the resistor. Therefore, current consumption can also be reduced.
    • 提供了能够抑制二次变形的变化同时降低电流消耗的正交混频器电路和RF通信半导体集成电路。 在正交混频器电路中,即使输入到I晶体管和Q晶体管的基极的90度的本地信号具有很大的幅度,I电阻器,Q电阻器和电容器也会抑制干扰。 此外,由于提供了电容器,所以可以抑制偏置电流值的变化。 因此,可以抑制二次变形的变化。 此外,电容器组合由I晶体管和电阻器形成的差分电路的电流输出和由Q晶体管和电阻器形成的差分电路。 因此,电流消耗也可以降低。
    • 78. 发明授权
    • Wireless communication system and semiconductor integrated circuit
    • 无线通信系统和半导体集成电路
    • US07340227B2
    • 2008-03-04
    • US11154665
    • 2005-06-17
    • Daisuke YoshimiAkio YamamotoYutaka Igarashi
    • Daisuke YoshimiAkio YamamotoYutaka Igarashi
    • H01Q11/12H04B7/00G06F7/556
    • H04W52/52
    • A wireless communication system uses a transmission power detection circuit. The transmission power detection circuit has excellent linearity of detection output for transmission output power and can obtain detection output not having temperature dependence. The transmission power detection circuit has a rectifying detection part that includes plural amplifiers connected in series and obtains detection output by taking out rectified outputs from emitters of input transistors of amplifiers of individual stages and synthesizing them. A compensation voltage generating circuit has a dummy amplifier having a construction similar to the amplifiers constituting the rectifying detection part and a coefficient circuit that changes output of the dummy amplifier at a specified ratio, and generates voltage for compensating temperature characteristics. Also included is an addition/subtraction circuit that obtains detection output free of temperature dependence by subtracting compensation voltage generated in the compensation voltage generating circuit from output voltage of the rectifying detection part.
    • 无线通信系统使用发送功率检测电路。 传输功率检测电路具有良好的发送输出功率的检测输出线性度,可以获得不具有温度依赖性的检测输出。 发送功率检测电路具有整流检测部,该整流检测部包括串联连接的多个放大器,通过从各级放大器的输入晶体管的发射极取出整流输出并合成来获得检测输出。 补偿电压产生电路具有类似于构成整流检测部分的放大器的结构的虚拟放大器和以特定比率改变虚拟放大器的输出并产生用于补偿温度特性的电压的系数电路。 还包括加法/减法电路,通过从整流检测部分的输出电压减去补偿电压产生电路中产生的补偿电压来获得没有温度依赖性的检测输出。
    • 80. 发明申请
    • DATABASE DEVICE DATABASE SEARCH DEVICE, AND METHOD THEREOF
    • 数据库设备数据库搜索设备及其方法
    • US20070106767A1
    • 2007-05-10
    • US10554365
    • 2004-04-23
    • Akio YamamotoShinya NakagawaHiroyuki Shimizu
    • Akio YamamotoShinya NakagawaHiroyuki Shimizu
    • G06F15/173
    • G06F16/288G06F16/9024
    • There is provided a database server capable of easily adding various kinds of associated data without modifying the structure of the database. A heading node (T node) is correlated with an associated node (A node) and an association role R is defined between the T node and the A node associated with it. Furthermore, each of the T node and the A node is added with an identifier (ID), its attribute (node type), and a name (node name). The data having such a structure is stored in an association/role table (AR table) composed of an entry containing ID of the A node and T node associated with each other and the association role R defined between them and in an identifier table (ID table) containing the ID, attribute, and name of the A node and the T node, so that the data can be searched.
    • 提供了能够容易地添加各种关联数据而不修改数据库的结构的数据库服务器。 标题节点(T节点)与关联节点(A节点)相关联,并且在T节点和与其相关联的A节点之间定义关联角色R. 此外,T节点和A节点中的每一个都添加了标识符(ID),其属性(节点类型)和名称(节点名称)。 具有这种结构的数据被存储在由包含彼此相关联的A节点和T节点的ID的条目组成的关联/角色表(AR表)中,以及在它们之间定义的关联角色R和标识符表(ID 表),其包含A节点和T节点的ID,属性和名称,以便可以搜索数据。