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    • 5. 发明申请
    • ARCHITECTURE AND METHOD FOR COMPENSATING FOR DISPARATE SIGNAL RISE AND FALL TIMES BY USING POLARITY SELECTION TO IMPROVE TIMING AND POWER IN AN INTEGRATED CIRCUIT
    • 通过使用极性选择来增强集成电路中的时序和功率来补偿异常信号上升和下降时间的架构和方法
    • US20100192117A1
    • 2010-07-29
    • US12753247
    • 2010-04-02
    • Kai ZhuVolker Hecht
    • Kai ZhuVolker Hecht
    • G06F17/50
    • G06F17/5031G06F2217/78G06F2217/84
    • A method for reducing delay in an integrated circuit by compensating for differences in rise and fall delay times comprises creating a timing graph; computing minimum delay tuples for nodes in the timing graph; if there is not at least one feasible delay tuple, determining a longest path and computing minimum delay tuples for the longest path; changing polarities on the longest path to reduce delays; updating the timing graph by transferring new polarity and delay values; performing timing analysis to determine a new longest path if the new longest path is shorter than the prior longest path, accepting a resulting polarity selection and computing minimum delay tuples for the longest path; if the new longest path is not shorter than the prior longest path, accepting a resulting polarity selection and implementing changes in a user-program bitstream.
    • 通过补偿上升和下降延迟时间的差异来减少集成电路中的延迟的方法包括创建时序图; 计算定时图中节点的最小延迟元组; 如果不存在至少一个可行延迟元组,则确定最长路径并计算最长路径的最小延迟元组; 在最长的路径上改变极性以减少延误; 通过传递新的极性和延迟值来更新时序图; 执行定时分析以确定新的最长路径,如果新的最长路径短于先前的最长​​路径,则接受所得极性选择并计算最长路径的最小延迟元组; 如果新的最长路径不比先前最长路径短,则接受所得到的极性选择并实现用户节目比特流中的改变。
    • 6. 发明授权
    • Method and apparatus for specifying address offsets and alignment in logic design
    • 用于在逻辑设计中指定地址偏移和对齐的方法和装置
    • US06658547B1
    • 2003-12-02
    • US09645865
    • 2000-08-23
    • Bart ReynoldsSridhar KrishnamurthyDamon McCormickKai Zhu
    • Bart ReynoldsSridhar KrishnamurthyDamon McCormickKai Zhu
    • G06F1200
    • G06F17/5045G06F12/0661
    • A method for asserting an address alignment of an address for a memory-mapped device in a logic design is disclosed. An align primitive comprising an alignment size port, an input address port and an output address port is used. The alignment size port has data indicating a desired address boundary. The input address port is used for an address to be verified against the desired address boundary. The output address port is used to provide an address that is on the desired address boundary. The address to be verified against the desired address boundary is provided at the output address port when that address meets the desired address boundary. Another method for specifying an offset address for a memory-mapped device in a logic design is disclosed. An offset primitive is used to assert an address for the memory-mapped device. The offset primitive comprises an incoming address port, an outgoing address port and an offset value port. The offset value port has a data value indicating a desired address offset. The incoming address port has a base address to calculate an offset address. The outgoing address port has the offset address. The offset value is a multiple of a transaction size at the memory-mapped device.
    • 公开了一种在逻辑设计中用于断言存储器映射设备的地址的地址对齐的方法。 使用包括对齐尺寸端口,输入地址端口和输出地址端口的对齐图元。 对齐尺寸端口具有指示所需地址边界的数据。 输入地址端口用于要针对所需地址边界进行验证的地址。 输出地址端口用于提供所需地址边界上的地址。 当该地址满足期望的地址边界时,在输出地址端口处提供要针对所需地址边界进行验证的地址。公开了用于在逻辑设计中指定存储器映射器件的偏移地址的另一种方法。 偏移原语用于断言存储器映射设备的地址。 偏移原语包括输入地址端口,输出地址端口和偏移值端口。 偏移值端口具有指示期望的地址偏移的数据值。 输入地址端口有一个基地址来计算一个偏移地址。 出站地址端口具有偏移地址。 偏移值是存储器映射设备的事务大小的倍数。
    • 8. 发明授权
    • Detecting method and device for curved surface precision of dish parabolic reflecting mirror
    • 碟形抛物面反射镜曲面精度检测方法及装置
    • US08970851B2
    • 2015-03-03
    • US14237610
    • 2012-04-27
    • Xinhua TanKai Zhu
    • Xinhua TanKai Zhu
    • G01B11/24G01J1/00G01J1/42G01B11/245G01M11/00
    • G01B11/245G01M11/005
    • A method and device for detecting a precision of a dish parabolic reflecting mirror are provided. Accurate coordinate values of positions on an X-axis and a Y-axis may be obtained by adjusting and controlling a double helix lifting mechanism, a 360-degree plane rotary mechanism, a telescoping mechanism, and an extension rod, and using a photoelectric position sensor with a high precision and the extension rod being measured. Then, the curved surface of the dish paraboloid reflecting mirror being detected is obtained by fitting sampling values of the coordinate values of spatial positions of the detecting points at various, and the precision error value by comparing the curved surface of the dish paraboloid reflecting mirror being detected to the theoretical curved surface, thereby realizing detection of the precision of the curved surface of the dish paraboloid reflecting mirror.
    • 提供了一种用于检测抛物面抛物面反射镜的精度的方法和装置。 可以通过调整和控制双螺旋提升机构,360度平面旋转机构,伸缩机构和延伸杆,并且使用光电位置来获得X轴和Y轴上的位置的精确坐标值 传感器具有高精度和延伸杆被测量。 然后,通过将各种检测点的空间位置的坐标值的采样值拟合,并将精度误差值通过将盘形抛物面反射镜的曲面进行比较来获得正在检测的盘抛物面反射镜的曲面, 检测到理论曲面,从而实现盘抛物面反射镜的曲面的精度的检测。
    • 9. 发明申请
    • SOLAR CONDENSER
    • 太阳能冷凝器
    • US20130308218A1
    • 2013-11-21
    • US13981515
    • 2012-04-26
    • Kai ZhuMinhui WangYuelei Zhang
    • Kai ZhuMinhui WangYuelei Zhang
    • G02B19/00
    • G02B19/0023F24S23/71F24S40/20F24S40/85F24S2023/872F24S2023/876G02B5/09G02B5/10G02B19/0042H01L31/0547Y02E10/42Y02E10/52
    • A solar condenser, comprising two or more parabolic mirrors; each parabolic mirror is provided with a different focal length and a common focusing plane; the parabolic mirrors consist of a plurality of staggeredly arranged mirror unit groups consisting of more than one reflecting units; the distance between every two parabolic mirrors with different focal lengths is the focal length difference thereof. Through the staggered installation of the reflecting units, the air flow between the mirrors is increased without increasing additional footprint or affecting the light-focusing effect, thus the impact of winds on the mirrors and structures is reduced; and ice, snow and dust do not easily accumulate on the mirrors, thus effectively improving the operational stability of the solar condenser.
    • 太阳能冷凝器,包括两个或更多个抛物面镜; 每个抛物面镜具有不同的焦距和公共的聚焦平面; 抛物面镜包括由多于一个的反射单元组成的多个交错布置的反射镜单元组; 每两个具有不同焦距的抛物面镜之间的距离是其焦距差。 通过反射单元的交错安装,反射镜之间的空气流量增加,而不增加额外的占地面积或影响光聚焦效应,因此降低了对镜子和结构的影响; 冰雪,灰尘不容易积聚在镜子上,从而有效地提高了太阳能冷凝器的运行稳定性。