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    • 3. 发明授权
    • Gripper for an automatic bag filling apparatus
    • 自动袋灌装设备的夹爪
    • US08261785B2
    • 2012-09-11
    • US12456933
    • 2009-06-24
    • Shoichi KogaKenji Kawamura
    • Shoichi KogaKenji Kawamura
    • B65B43/46
    • B65B43/465
    • A gripper used in, for instance, a bag filling apparatus including a pair of gripper arms provided with chuck holders. Each chuck holder includes first and second tubular portions, first and second tubular members slidably inserted therein, and first and second air cylinders installed within the tubular portions. An inside fixed chuck element is affixed to the tip end of the first tubular member, and an inside movable chuck element is attached to the tip end of the piston rod of the first air cylinder; in addition, an outside fixed chuck element is affixed to the tip end of second tubular member, and an outside movable chuck element is attached to the tip end of the piston rod of the second air cylinder; and the movable chuck elements are opened and closed with respect to the fixed chuck elements by the advance and retreat motions of the respective piston rods.
    • 用于例如包括设置有卡盘保持器的一对夹持臂的袋填充装置的夹持器。 每个卡盘夹具包括第一和第二管状部分,第一和第二管状构件可滑动地插入其中,以及安装在管状部分内的第一和第二气缸。 内固定卡盘元件固定在第一管状部件的前端,内部可动卡盘元件安装在第一气缸的活塞杆的前端; 此外,外部固定卡盘元件固定到第二管状件的末端,外部可动卡盘元件附接到第二气缸的活塞杆的末端; 并且可动卡盘元件通过各活塞杆的前进和后退运动相对于固定卡盘元件而打开和关闭。
    • 5. 发明授权
    • Digital phase detector and phase-locked loop
    • 数字相位检测器和锁相环
    • US07965143B2
    • 2011-06-21
    • US12468483
    • 2009-05-19
    • Kenji Kawamura
    • Kenji Kawamura
    • H03L7/089
    • H03D13/003H03L7/085H03L7/091H04J3/062H04J3/0685
    • A digital phase detector is provided that can be easily implemented in gate array or FPGA, to accurately quantize a phase difference of two clocks and convert to a digital value without using delay elements. The digital phase detector includes: a multiplier for, when two clocks have frequencies close to an integer ratio, receiving a first clock and multiplying by M/N; F/F for latching a second clock by an output clock of the multiplier; a differential circuit for differentiating an output of the F/F; a counter for receiving the output clock of the multiplier; a latch circuit for holding an output of the counter according to an output of the differential circuit; a first adder for adding an output of the latch circuit; a second adder for subtracting an output of the first adder from a fixed value; and an accumulator for sequentially integrating an output of the second adder.
    • 提供了一种数字相位检测器,可以方便地在门阵列或FPGA中实现,以精确量化两个时钟的相位差,并在不使用延迟元件的情况下转换为数字值。 数字相位检测器包括:乘法器,当两个时钟具有接近整数比的频率时,接收第一时钟并乘以M / N; F / F,用于通过乘法器的输出时钟锁存第二时钟; 用于区分F / F的输出的差分电路; 用于接收乘法器的输出时钟的计数器; 锁存电路,用于根据差分电路的输出保持计数器的输出; 第一加法器,用于相加锁存电路的输出; 第二加法器,用于从固定值中减去第一加法器的输出; 以及用于顺序地对第二加法器的输出进行积分的累加器。
    • 7. 发明申请
    • Gripper for an automatic bag filling apparatus
    • 自动袋灌装设备的夹爪
    • US20090314386A1
    • 2009-12-24
    • US12456933
    • 2009-06-24
    • Shoichi KogaKenji Kawamura
    • Shoichi KogaKenji Kawamura
    • B65B43/16
    • B65B43/465
    • A gripper used in, for instance, a bag filling apparatus including a pair of gripper arms provided with chuck holders. Each chuck holder includes first and second tubular portions, first and second tubular members slidably inserted therein, and first and second air cylinders installed within the tubular portions. An inside fixed chuck element is affixed to the tip end of the first tubular member, and an inside movable chuck element is attached to the tip end of the piston rod of the first air cylinder; in addition, an outside fixed chuck element is affixed to the tip end of second tubular member, and an outside movable chuck element is attached to the tip end of the piston rod of the second air cylinder; and the movable chuck elements are opened and closed with respect to the fixed chuck elements by the advance and retreat motions of the respective piston rods.
    • 用于例如包括设置有卡盘保持器的一对夹持臂的袋填充装置的夹持器。 每个卡盘夹具包括第一和第二管状部分,第一和第二管状构件可滑动地插入其中,以及安装在管状部分内的第一和第二气缸。 内固定卡盘元件固定在第一管状部件的前端,内部可动卡盘元件安装在第一气缸的活塞杆的前端; 此外,外部固定卡盘元件固定到第二管状件的末端,外部可动卡盘元件附接到第二气缸的活塞杆的末端; 并且可动卡盘元件通过各活塞杆的前进和后退运动相对于固定卡盘元件而打开和关闭。
    • 9. 发明授权
    • Coaxial lightning arresting structure
    • 同轴防雷结构
    • US4509090A
    • 1985-04-02
    • US505852
    • 1983-06-20
    • Norihide KawanamiYukinori MiyakeKenji KawamuraToshiharu Toda
    • Norihide KawanamiYukinori MiyakeKenji KawamuraToshiharu Toda
    • H04B3/02H01T4/08H01T4/10H02H9/06
    • H01T4/08
    • There is disclosed a coaxial lightning arresting structure comprising an inner conductor, an outer conductor surrounding the inner conductor and an arrester tube located between the inner and outer conductors perpendicularly to the direction of transmission and connected at its ends to the inner and outer conductors, respectively. The portion of the inner conductor provided with the arrester tube has a reduced effective sectional area as compared with the other portions of the inner conductor so that the ratio of the outer conductor inner diameter to the outer diameter of the inner conductor portion having the reduced effective sectional area is greater than the ratio of the outer conductor inner diameter to the inner conductor outer diameter at the other portions of the inner conductor which latter ratio provides the coaxial transmission line with a given characteristic impedance.
    • 公开了一种同轴避雷结构,其包括内部导体,围绕内部导体的外部导体和位于垂直于透射方向的内部和外部导体之间的避雷器管,并且其端部分别连接到内部和外部导体 。 设置有避雷器管的内部导体的部分与内部导体的其他部分相比具有减小的有效截面面积,使得外部导体内径与具有降低的有效的内部导体部分的外径的比率 截面面积大于内部导体的其他部分处的外部导体内径与内部导体外径的比率,后者的比例提供具有给定特性阻抗的同轴传输线。