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    • 6. 发明授权
    • Method of determining an electrical characteristic of an antifuse and
apparatus therefor
    • 确定反熔丝电气特性的方法及其设备
    • US5293133A
    • 1994-03-08
    • US937071
    • 1992-08-27
    • John M. BirknerDavid T. MartinRichard J. Wong
    • John M. BirknerDavid T. MartinRichard J. Wong
    • G11C17/16G11C29/02G11C29/50
    • G11C29/027G11C17/16G11C29/02G11C29/50G11C29/50008G11C2029/5004G11C2029/5006
    • A method for determining an electrical characteristic (such as a resistance) of an antifuse of a programmable device. The method comprises the steps of: 1) before the antifuse is programmed, determining an electrical characteristic (such as a voltage, current and/or resistance) of a first conductive path which includes a series element disposed electrically in series with a parallel element, the parallel element being controlled to be substantially conductive, the parallel element being disposed electrically in parallel with the unprogrammed antifuse; 2) after programming of the antifuse, determining an electrical characteristic (such as a voltage, current and/or resistance) of a second conductive path including the series element disposed electrically in series with the programmed antifuse when the parallel element is controlled to be substantially nonconductive; 3) determining an electrical characteristic (such as a voltage, current and/or resistance) of a third, conductive path through the series element, and through the programmed antifuse and the parallel element, the parallel element being controlled to be substantially conductive; and 4) determining the electrical characteristic (such as a resistance) of the antifuse based on the above three determinations in 1), 2) and 3). The method is usable to determine whether or not programmed antifuses of a programmable device have low enough resistances to meet desired reliability criteria.
    • 一种用于确定可编程器件的反熔丝的电特性(例如电阻)的方法。 该方法包括以下步骤:1)在对反熔丝进行编程之前,确定第一导电路径的电特性(例如电压,电流和/或电阻),其包括与并联元件串联设置的串联元件, 所述并联元件被控制为基本导电,所述并联元件与所述未编程的反熔丝电平行地布置; 2)在对反熔丝进行编程之后,确定包括串联元件的第二导电路径的电特性(例如电压,电流和/或电阻),该第二导电路径包括与编程的反熔丝串联设置的串联元件, 非导电; 3)确定通过串联元件的第三导电路径的电特性(例如电压,电流和/或电阻),以及通过编程的反熔丝和并联元件,所述并联元件被控制为基本导电; 以及4)基于上述3)中确定的反熔丝的电特性(如电阻)。 该方法可用于确定可编程器件的编程反熔丝是否具有足够低的电阻以满足期望的可靠性标准。
    • 7. 发明申请
    • CONTROL INTERFACE FOR LAPAROSCOPIC SUTURING INSTRUMENT
    • 腹腔镜仪器的控制界面
    • US20130267969A1
    • 2013-10-10
    • US13443101
    • 2012-04-10
    • David T. MartinJames A. Woodard, JR.
    • David T. MartinJames A. Woodard, JR.
    • A61B17/062
    • A61B17/0469A61B17/0491A61B17/0625A61B34/35A61B2017/00477A61B2034/302
    • An apparatus comprises an end effector, a shaft assembly, and a drive assembly. The end effector comprises needle receiving arms operable to grasp a needle. The drive assembly comprises drive members that are rotatable about respective drive axes that are perpendicular to the axis of the shaft assembly. The drive assembly is operable to drive the needle receiving arms to selectively engage and disengage the needle; and to selectively pass the needle from one needle receiving arm to the other needle receiving arm. The drive assembly provides an interface to a controller that is operable via a remote user interface. The drive assembly may include helical gears, clutch assemblies, a rack and pinion, or other components to convert motion of the drive members into motion at the end effector.
    • 一种装置包括端部执行器,轴组件和驱动组件。 末端执行器包括可操作地抓住针的针接收臂。 驱动组件包括可围绕垂直于轴组件的轴线的相应驱动轴线旋转的驱动构件。 驱动组件可操作以驱动针接收臂以选择性地接合和脱离针; 并且将针从一个针接收臂选择性地传递到另一个针接收臂。 驱动器组件提供到可经由远程用户界面操作的控制器的接口。 驱动组件可以包括斜齿轮,离合器组件,齿条和小齿轮或用于将驱动构件的运动转换成在末端执行器处运动的其他部件。