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    • 1. 发明授权
    • Apparatus for controlling the transfer of interrupt signals in data
processors
    • 用于控制数据处理器中的中断信号传输的装置
    • US4638432A
    • 1987-01-20
    • US598469
    • 1984-04-09
    • John A. NiblockJayant PatelDennis FisherAnthony P. Lumb
    • John A. NiblockJayant PatelDennis FisherAnthony P. Lumb
    • G06F13/24G06F11/00G06F11/30
    • G06F13/24
    • To ensure security of interrupt input signals to a computer system (30-3N) with minimum interruption of the running of programs in the system, two interrupt logic units (1) receive interrupt signals on leads (20-2x) from connected apparatus and store flags representing the interrupt signals in an interrupt store (2). Control logic (3) compares each input signal with presettable criteria to determine if such signal is an interrupt signal and, if so, causes the data to be transferred by way of a read register (5) to the connected computer system (30-3N). At the same time the control logic (3) of one of the units (1) designated as the active unit also causes an ouput on a lead (11) to the other unit (1) designated as the standby unit. If the standby unit determines that an immediate interrupt has occurred and does not receive a signal on the lead (11), its respective control logic (3) will cause the contents of its interrupt store (2) to be transferred to its respective read register (5) and will also cause an additional flag to be entered in the read register (5) indicating the failure of the active unit (1). Designation of the two units (1) as "active" or "standby" is periodically changed by action of the computer system (30-3N).
    • 为了确保中断输入信号到计算机系统(30-3N)的安全性,最少中断系统中的程序运行,两个中断逻辑单元(1)从连接的设备的引线(20-2x)上接收中断信号并存储 表示中断存储器(2)中的中断信号的标志。 控制逻辑(3)将每个输入信号与可预置标准进行比较,以确定这种信号是否为中断信号,如果是这样,则将数据通过读寄存器(5)传送到连接的计算机系统(30-3N )。 同时,指定为有效单元的单元(1)之一的控制逻辑(3)还将引线(11)上的输出引到指定为备用单元的另一单元(1)上。 如果待机单元确定已经发生立即中断并且没有在引线(11)上接收到信号,则其相应的控制逻辑(3)将使其中断存储器(2)的内容被传送到其相应的读寄存器 (5),并且还将在读取寄存器(5)中引入指示有效单元(1)的故障的附加标志。 通过计算机系统(30-3N)的动作来定期地改变两个单元(1)作为“活动”或“待机”的指定。
    • 3. 发明申请
    • Sleeve for joining and sealing conduits
    • 用于连接和密封导管的套管
    • US20060006650A1
    • 2006-01-12
    • US11221049
    • 2005-09-07
    • Jayant PatelAlfred Wiratunga
    • Jayant PatelAlfred Wiratunga
    • F16L21/00
    • F16L21/00F16L21/005F16L25/00F16L25/0009F16L25/14Y10T29/49909Y10T29/49927Y10T29/49945Y10T428/1366
    • An apparatus is provided for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge trim. The sleeve may be made of compressible material, such that when the retaining element surrounds a portion of the sleeve and the edge trim, the retaining element generally compresses the portion of the sleeve portion underlying the retaining element and displaces the sleeve material to expand on either side of the retaining element and limit movement of the retaining element. The method of joining and sealing conduits includes mounting the edge trim and a retaining element upon an end of a conduit, extending a sleeve between the conduits, and sliding the retaining element over the sleeve toward the end of the conduit.
    • 提供一种用于连接和密封导管的装置,包括边缘装饰件,套筒和保持件。 边缘装饰件成形为安装在导管的端部并与其接合。 套管在管道之间延伸并且至少部分地围绕边缘修剪。 套筒可以由可压缩材料制成,使得当保持元件围绕套筒和边缘饰件的一部分时,保持元件通常压缩保持元件下方的套筒部分的部分并使套筒材料在两者之间膨胀 保持元件的一侧并限制保持元件的移动。 连接和密封导管的方法包括将边缘装饰件和保持元件安装在导管的端部上,在管道之间延伸套管,并将保持元件滑动到套筒上朝向导管的端部。