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    • 45. 发明授权
    • Method and apparatus for instruction fetching
    • 指令取出方法和装置
    • US06751724B1
    • 2004-06-15
    • US09552118
    • 2000-04-19
    • William C. MoyerJeffrey W. ScottJames S. ThomasJohn H. ArendsJohn J. Vaglica
    • William C. MoyerJeffrey W. ScottJames S. ThomasJohn H. ArendsJohn J. Vaglica
    • G06F930
    • G06F9/3814G06F9/3802
    • Embodiments of the present invention relate to instruction fetching in data processing systems. One aspect involves a data processor (202) to execute instructions and to fetch instructions from a memory (208) according to a fetch size. This data processor (202) comprises a first input (212) to receive instructions, control logic (402) to decode the instructions, and an instruction pipeline (400) coupled to the first input (212) and the control logic (400). The instruction pipeline (400) is responsive to a first signal (214) to set the fetch size to one of a first size and a second size. The data processor (202) therefore allows an instruction fetch policy to be altered based on the characteristics of an accessed device in order to achieve improved performance.
    • 本发明的实施例涉及在数据处理系统中的指令取出。 一个方面涉及一种数据处理器(202),用于执行指令并根据取出大小从存储器(208)获取指令。 该数据处理器(202)包括用于接收指令的第一输入(212),解码指令的控制逻辑(402)以及耦合到第一输入(212)和控制逻辑(400)的指令流水线(400)。 指令流水线(400)响应于第一信号(214)将获取大小设置为第一大小和第二大小中的一个。 因此,数据处理器(202)允许基于所访问设备的特性来改变指令获取策略,以便实现改进的性能。
    • 46. 发明授权
    • Filter media rewinding mechanism
    • 过滤介质倒带机构
    • US5344556A
    • 1994-09-06
    • US21996
    • 1993-02-24
    • Scott M. McEwenJames S. ThomasMark A. Smith
    • Scott M. McEwenJames S. ThomasMark A. Smith
    • B01D29/09B01D33/048B01D33/80
    • B01D29/09
    • An improved media filtration apparatus includes an upper tank and lower filtrate compartment, filter media interposed between the upper tank and filtrate compartment for filtering dirty liquid as it is communicated from the upper tank into the filtrate compartment, a conveyor for indexing the filter media in the upper tank and a take-up mechanism including a rotatable idler roller assembly including an idler roller for guiding the filter media and being vertically movable in a range of motion actuates a control to start the take-up mechanism when the idler roller reaches a lower limit of its vertical range of motion and stops the take-up mechanism when the idler roller reaches an upper limit of its vertical range of motion.
    • 改进的介质过滤装置包括上部罐和下部滤液隔室,介于上部罐和滤液隔室之间的过滤介质,用于过滤从上部罐进入滤液室的脏液体,用于将过滤介质分配到 上部罐和卷取机构包括可旋转的惰轮组件,其包括用于引导过滤介质的惰辊并且在运动范围内可垂直移动,当惰辊达到下限时,驱动控制以启动卷取机构 的垂直运动范围,当惰轮达到其垂直运动范围的上限时,停止卷取机构。