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    • 21. 发明申请
    • Method and Apparatus to Generate Pattern-Based Estimated RC Data with Analysis of Route Information
    • 利用路径信息分析生成基于模式的估计RC数据的方法和装置
    • US20130346936A1
    • 2013-12-26
    • US13528807
    • 2012-06-20
    • Christopher KennedyChangge Qiao
    • Christopher KennedyChangge Qiao
    • G06F17/50
    • G06F17/5068
    • A method and apparatus for improving physical synthesis of a circuit design is described. In one exemplary embodiment, post-route information of nets in the circuit design is analyzed. The post-route information includes, for each of the nets, a predicted route property, a post-route property, and a set of physical and/or timing attributes for that net. For each of the attributes, a set of attribute ranges is derived for the corresponding attribute to bin the nets into a Gaussian distribution for that attribute. Net routing constraints are generated for the circuit design based on the attribute ranges derived. The net routing constraints are applied to one or more of the nets during subsequent placement-based optimizations of the circuit design.
    • 描述了用于改进电路设计的物理合成的方法和装置。 在一个示例性实施例中,分析了电路设计中的网络的路由之后信息。 对于每个网络,路由后信息包括针对该网络的预测路线属性,路径后属性以及一组物理和/或定时属性。 对于每个属性,为相应的属性导出一组属性范围,以将网络分成该属性的高斯分布。 基于导出的属性范围为电路设计生成网络路由约束。 在随后的基于电路设计的基于放置的优化中,网络路由约束被应用于一个或多个网络。
    • 23. 发明申请
    • Quick action drum lug assembly and method
    • 快动鼓鼓组件及方法
    • US20060207406A1
    • 2006-09-21
    • US11080018
    • 2005-03-15
    • Christopher Kennedy
    • Christopher Kennedy
    • G10D13/02
    • G10D13/023
    • Lug assemblies and associated methods of attaching a drum head to a drum body. The lug assembly may comprise a lug body having a seating surface; an elongate link having a proximate end disposed proximate the drum head and a distal end disposed distal from the drum head; a stop assembly adjustably coupled to the link. The stop assembly constrains the link distal end from movement toward the drum head when the stop assembly engages the link and bears against the seating surface. Engagement surfaces constrain rotation of the stop assembly and thereby allow the stop assembly to be moved toward the link distal end when the link proximate end is closer to the stop assembly than the seating surface. The stop assembly may be inserted into the recess from a direction that is generally tangential to a periphery of the drum body.
    • 凸耳组件和将鼓头附接到鼓体的相关方法。 凸耳组件可以包括具有座表面的凸耳体; 细长连杆,其具有邻近所述鼓头设置的近端和远离所述鼓头设置的远端; 可调节地联接到所述连杆的止动组件。 当止动组件接合连杆并且抵靠座位表面时,止动组件将连杆远端限制运动朝向鼓头。 接合表面限制止动组件的旋转,从而当连杆近端比座椅表面更靠近止动组件时,允许止动组件朝向连杆远端移动。 止动组件可以从通常与鼓本体的周边相切的方向插入到凹部中。