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    • 4. 发明授权
    • Checking data integrity in buffered data transmission
    • 检查缓冲数据传输中的数据完整性
    • US5694400A
    • 1997-12-02
    • US433410
    • 1995-08-10
    • Gilles GervaisIngemar HolmHelmut KohlerThomas KoehlerNorbert SchumacherGerhard Zilles
    • Gilles GervaisIngemar HolmHelmut KohlerThomas KoehlerNorbert SchumacherGerhard Zilles
    • G06F7/00G06F11/00G06F11/10G06F11/16G11C29/10G11C29/24
    • G06F11/1008G06F11/0763G11C29/10G11C29/24G06F7/00
    • Discloses a device and a method for checking by means of a checker (100). the data incorporating check bits read into a memory stack. The device comprises a first counter (20), which is connected through logical gates (30a-d) with some of the memory input lines (25), and a second counter (80) between the checker (100) and the memory (50), which is connected through logical gates (70a-d) to the memory output lines (55) corresponding to the memory input lines (25) with the first (20) and the second (80). counters generating continuous binary values. The method comprising the following stages: combination of the data to be read in with a value generated by a first counter (20) in accordance with an exclusive-OR operation; reading the logically combined data into the memory (50); reading the logically combined data from the memory (50); combination of the logically combined data read out with a value generated by a second counter (80) in accordance with an exclusive-OR operation; checking the data read out for parity in a parity checker (100). The invention may be used in a buffer memory (50) between two asynchronously timed buses.
    • PCT No.PCT / EP93 / 03572 Sec。 371日期:1995年8月10日 102(e)日期1995年8月10日PCT提交1993年12月15日PCT公布。 公开号WO94 / 15290 日期1994年7月7日通过检查器(100)显示设备和检查方法。 包含检查位的数据读入存储器堆栈。 该装置包括通过逻辑门(30a-d)与一些存储器输入线(25)连接的第一计数器(20)和在检验器(100)和存储器(50)之间的第二计数器 ),其通过第一(20)和第二(80)通过逻辑门(70a-d)连接到与存储器输入线(25)对应的存储器输出线(55)。 计数器产生连续的二进制值。 该方法包括以下阶段:根据异或运算将待读取的数据与由第一计数器(20)生成的值的组合; 将逻辑组合数据读入存储器(50); 从存储器(50)读取逻辑组合的数据; 根据异或运算,逻辑组合数据的读出与由第二计数器(80)生成的值的组合; 在奇偶校验器(100)中检查读出的奇偶校验数据。 本发明可以用在两个异步定时总线之间的缓冲存储器(50)中。
    • 6. 发明授权
    • Retrieving odd net topology in hierarchical circuit designs
    • 在分层电路设计中检索奇数网络拓扑
    • US09064074B2
    • 2015-06-23
    • US13295489
    • 2011-11-14
    • Joerg KayserHelmut KohlerNorbert Schumacher
    • Joerg KayserHelmut KohlerNorbert Schumacher
    • G06F17/50
    • G06F17/5045G06F17/5081
    • According to one aspect of the present disclosure, a method and technique for identifying odd nets in a hierarchical electronic circuit design is disclosed. The method includes: receiving a very high-speed integrated circuit hardware description language (VHDL) model of an electronic circuit design; modifying an architecture section of VHDL code of each endpoint component of the VHDL model to connect each input/output (IO) of the endpoint component VHDL code to an instance of a snoop VHDL code; executing a simulation of the VHDL model through a plurality of clock cycles while driving a logical value by the snoop VHDL code and deriving simulation clashes detected by the snoop VHDL code for each IO of the endpoint components; and extracting an odd net topology for the VHDL model based on the simulation clashes derived from the simulation.
    • 根据本公开的一个方面,公开了一种用于在分级电子电路设计中识别奇数网络的方法和技术。 该方法包括:接收电子电路设计的非常高速的集成电路硬件描述语言(VHDL)模型; 修改VHDL模型的每个端点组件的VHDL代码的架构部分,以将端点组件VHDL代码的每个输入/输出(IO)连接到窥探VHDL代码的实例; 通过多个时钟周期执行VHDL模型的模拟,同时通过窥探VHDL代码驱动逻辑值,并导出由窥探VHDL代码针对端点组件的每个IO检测到的模拟冲突; 并基于从仿真得到的模拟冲突,提取VHDL模型的奇数网络拓扑。
    • 8. 发明申请
    • RETRIEVING ODD NET TOPOLOGY IN HIERARCHICAL CIRCUIT DESIGNS
    • 在分层电路设计中检索ODD网络拓扑
    • US20130124182A1
    • 2013-05-16
    • US13295489
    • 2011-11-14
    • Joerg KayserHelmut KohlerNorbert Schumacher
    • Joerg KayserHelmut KohlerNorbert Schumacher
    • G06F17/50
    • G06F17/5045G06F17/5081
    • According to one aspect of the present disclosure, a method and technique for identifying odd nets in a hierarchical electronic circuit design is disclosed. The method includes: receiving a very high-speed integrated circuit hardware description language (VHDL) model of an electronic circuit design; modifying an architecture section of VHDL code of each endpoint component of the VHDL model to connect each input/output (IO) of the endpoint component VHDL code to an instance of a snoop VHDL code; executing a simulation of the VHDL model through a plurality of clock cycles while driving a logical value by the snoop VHDL code and deriving simulation clashes detected by the snoop VHDL code for each IO of the endpoint components; and extracting an odd net topology for the VHDL model based on the simulation clashes derived from the simulation.
    • 根据本公开的一个方面,公开了一种用于在分级电子电路设计中识别奇数网络的方法和技术。 该方法包括:接收电子电路设计的非常高速的集成电路硬件描述语言(VHDL)模型; 修改VHDL模型的每个端点组件的VHDL代码的架构部分,以将端点组件VHDL代码的每个输入/输出(IO)连接到窥探VHDL代码的实例; 通过多个时钟周期执行VHDL模型的模拟,同时通过窥探VHDL代码驱动逻辑值,并导出由窥探VHDL代码针对端点组件的每个IO检测到的模拟冲突; 并基于从仿真得到的模拟冲突,提取VHDL模型的奇数网络拓扑。
    • 10. 发明授权
    • Friction clutch
    • 摩擦离合器
    • US4615424A
    • 1986-10-07
    • US509190
    • 1983-06-29
    • Helmut Kohler
    • Helmut Kohler
    • F16D13/70F16D13/71F16D13/58
    • F16D13/71F16D2013/706Y10T29/4994Y10T29/4995Y10T29/49954
    • The axially movable pressure plate of a friction clutch for motor vehicles is non-rotatably secured to the housing by a set of leaf springs each of which has an end portion overlying that surface of the pressure plate which faces away from the clutch plate. The end portion of each leaf spring has an opening in register with the open end of a blind bore in the surface of the pressure plate. Such end portions of the leaf springs are permanently fastened to the pressure plate by tubular connecting elements having (a) enlarged end portions overlying those sides of the leaf springs which face away from the pressure plate and (b) main portions which extend through the respective openings and into the registering blind bores and are radially expanded into pronounced frictional engagement with the pressure plate. The plastically deformable material of the main portions of the connecting elements is expanded by an extractible tool or by discrete spreading pins which are driven into open-ended sockets of the connecting elements and remain therein to maintain the main portions in radially expanded condition. The connecting elements contribute to a reduction of the overall weight of the friction clutch, to a reduction of the dimensions of the clutch, as considered in the axial and radial directions, to a reduction of the weight of the clutch, and to greater reliability of the connections between the leaf springs and the pressure plate and hence to greater safety of the clutch.
    • 用于机动车辆的摩擦离合器的可轴向移动的压板通过一组板簧不可旋转地固定到壳体,每个板簧的顶部覆盖压板的远离离合器板的表面。 每个板簧的端部具有与压板表面中的盲孔的开口端对齐的开口。 板簧的这种端部通过管状连接元件永久地固定到压板上,该连接元件具有(a)覆盖板簧的面向远离压板的那些侧面的扩大的端部,以及(b)延伸穿过相应的主要部分的主要部分 开口并进入登记盲孔并且径向扩张成与压板明显的摩擦接合。 连接元件的主要部分的可塑性变形的材料通过可抽出的工具或分散的扩展销扩张,这些销被驱动到连接元件的开口插座中并保持在其中,以使主要部分保持在径向膨胀的状态。 连接元件有助于减小摩擦离合器的总重量,从而在轴向和径向方向上考虑到离合器的尺寸减小到离合器的重量的降低,并且具有更高的可靠性 板簧与压板之间的连接,从而提高了离合器的安全性。