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    • 41. 发明申请
    • Method and apparatus for low overhead circuit scan
    • 低开销电路扫描的方法和装置
    • US20050071717A1
    • 2005-03-31
    • US10670832
    • 2003-09-25
    • Wendy BelluominiAndrew MartinChandler McDowellRobert Montoye
    • Wendy BelluominiAndrew MartinChandler McDowellRobert Montoye
    • G01R31/3185G11C29/00G01R31/28
    • G01R31/318572G11C29/003
    • A method and system for manipulating data in a state holding elements array. Process data is moved through the state holding elements array by a process controller. A separate scan controller scans data out of the state holding elements array by scanning data out of a group of cascaded latches where there are insufficient extra state holding elements in the group to enable normal scan. A multiplicity of local scan clocks are utilized to shift selected amounts of data only when a next state holding element in the group has been made available by clearing the contents of that next state holding element. In this way, any given latch, for the purpose of scan, is not a dedicated master or slave latch, but can act as either. This invention also addresses a circuit for the creation of the multiplicity of local clocks from a conventional LSSD clock source.
    • 用于在保持元素数组的状态下操作数据的方法和系统。 过程控制器将过程数据移动通过状态保持元素数组。 单独的扫描控制器通过从组中不充足的额外状态保持元件的一组级联锁存器扫描数据来扫描状态保持元件阵列中的数据,以启用正常扫描。 仅当通过清除该下一状态保持元件的内容已经使该组中的下一状态保持元件可用时,才使用多个本地扫描时钟来移位所选择的数据量。 以这种方式,为了扫描的目的,任何给定的锁存器不是专用的主器件或从器件锁存器,而是可以作为任一个。 本发明还涉及用于从常规LSSD时钟源产生多个本地时钟的电路。
    • 42. 发明授权
    • Drilling waste handling
    • 钻井废物处理
    • US06796379B1
    • 2004-09-28
    • US10070325
    • 2002-07-23
    • Andrew Martin
    • Andrew Martin
    • E02D2302
    • E21B41/005E21B21/001E21B21/01E21B21/066
    • A method and an apparatus for storage and transport of drilling waste is provided. A number of storage containers (12) are anchored to the sea bed by means of anchors (15) and cables (13). The location of the containers (12) is marked with buoys (17). The containers (12) are of adjustable buoyancy, and are arranged to remain below the surface of the sea. Drilling waste is macerated on board a drilling vessel (18), and pumped via conduits (20) into the containers (12). Once the containers (12) are full, a tug (22) collects the containers (12) and transports them to an onshore waste recycling facility, while empty tanks are returned to the drilling vessel (18) to be reused. The containers (12) may be arranged to agitate stored waste, either by means of an internal agitator, or by virtue of fins or paddles mounted on the containers (12), to rotate the containers in response to sea currents.
    • 提供了一种用于存储和运输钻井废料的方法和装置。 许多储存容器(12)通过锚固件(15)和电缆(13)锚固到海床上。 容器(12)的位置标有浮标(17)。 容器(12)具有可调节的浮力,并被布置成保持在海面以下。 钻井废物在钻井容器(18)上被浸没,并通过导管(20)泵入容器(12)。 一旦集装箱(12)已满,则一个拖轮(22)收集容器(12)并将其运送到陆上废物回收设施,同时将空箱返回钻井容器(18)以重新使用。 容器(12)可以布置成通过内部搅拌器或借助于安装在容器(12)上的翅片或桨叶来搅动存储的废物,以响应海流旋转容器。