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1. 发明授权

US08799850B2 Simulation-based design state snapshotting in electronic design automation 有权
标题翻译：电子设计自动化中基于仿真的设计状态快照
公开(公告)号：US08799850B2
公开(公告)日：2014-08-05
申请号：US12608645
申请日：2009-10-29
申请人： Salem L. Ganzhorn , Kristin M. Beggs , Govindaswamy Chithamudali
发明人： Salem L. Ganzhorn , Kristin M. Beggs , Govindaswamy Chithamudali
IPC分类号： G06F17/50
CPC分类号： G06F17/5045
摘要： Some embodiments provide a system that performs a simulation within an electronic design automation (EDA) application. During operation, the system obtains a design from a user of the EDA application. Next, the system performs the simulation using the design to create a set of current simulation results associated with the design. The system then automatically saves a current design state of the design which is associated with the current simulation results. Finally, the system enables subsequent access to the current design state and one or more previous design states of the design by the user through a graphical user interface (GUI) associated with the EDA application.
摘要翻译：一些实施例提供了在电子设计自动化（EDA）应用程序中执行仿真的系统。在操作过程中，系统从EDA应用程序的用户处获取设计。接下来，系统使用设计来执行模拟，以创建与设计相关联的一组当前模拟结果。然后，系统自动保存与当前模拟结果相关联的设计的当前设计状态。最后，该系统允许用户通过与EDA应用相关联的图形用户界面（GUI）随后访问当前设计状态和设计的一个或多个先前设计状态。

2. 发明申请

US20110107293A1 SIMULATION-BASED DESIGN STATE SNAPSHOTTING IN ELECTRONIC DESIGN AUTOMATION 有权
标题翻译：基于模拟的设计状态在电子设计自动化中的应用
公开(公告)号：US20110107293A1
公开(公告)日：2011-05-05
申请号：US12608645
申请日：2009-10-29
申请人： Salem L. Ganzhorn , Kristin M. Beggs , Govindaswamy Chithamudali
发明人： Salem L. Ganzhorn , Kristin M. Beggs , Govindaswamy Chithamudali
IPC分类号： G06F17/50
CPC分类号： G06F17/5045
摘要： Some embodiments provide a system that performs a simulation within an electronic design automation (EDA) application. During operation, the system obtains a design from a user of the EDA application. Next, the system performs the simulation using the design to create a set of current simulation results associated with the design. The system then automatically saves a current design state of the design which is associated with the current simulation results. Finally, the system enables subsequent access to the current design state and one or more previous design states of the design by the user through a graphical user interface (GUI) associated with the EDA application.
摘要翻译：一些实施例提供了在电子设计自动化（EDA）应用程序中执行仿真的系统。在操作过程中，系统从EDA应用程序的用户处获取设计。接下来，系统使用设计来执行模拟，以创建与设计相关联的一组当前模拟结果。然后，系统自动保存与当前模拟结果相关联的设计的当前设计状态。最后，该系统允许用户通过与EDA应用相关联的图形用户界面（GUI）随后访问当前设计状态和设计的一个或多个先前设计状态。

3. 发明授权

US08225269B2 Technique for generating an analysis equation 有权
标题翻译：生成分析方程的技术
公开(公告)号：US08225269B2
公开(公告)日：2012-07-17
申请号：US12609572
申请日：2009-10-30
申请人： Anil P. Balaram , Kristin M. Beggs , Barry A. Giffel , Guy M. Morency
发明人： Anil P. Balaram , Kristin M. Beggs , Barry A. Giffel , Guy M. Morency
IPC分类号： G06F17/50
CPC分类号： G06F17/5036
摘要： During a method, a hybrid graphical user interface (GUI), which is associated with electronic-design-automation (EDA) software, is displayed. This hybrid GUI allows users to efficiently specify useful analysis equations using textual and/or graphical information. In particular, the hybrid GUI has a first window that includes graphical objects associated with a circuit design. A user can select one or more of the graphical objects and associated electrical parameters using a user-interface device, such as a mouse. The hybrid GUI has a second window that has icons and other graphical controls that allow the construction of an analysis equation using the user-interface device. In addition, the hybrid GUI has a third window that includes an equation editor that provides a symbolic representation of an analysis equation based at least on one or more text entries provided by a user using a second user-interface device (such as a keyboard) and/or user selections of a given graphical object in the graphical objects and an associated electrical parameter.
摘要翻译：在一种方法中，显示与电子设计自动化（EDA）软件相关联的混合图形用户界面（GUI）。这种混合GUI允许用户使用文本和/或图形信息有效地指定有用的分析方程。特别地，混合GUI具有包括与电路设计相关联的图形对象的第一窗口。用户可以使用诸如鼠标的用户界面设备来选择一个或多个图形对象和相关联的电参数。混合GUI具有第二窗口，其具有允许使用用户界面设备构建分析方程的图标和其他图形控件。另外，混合GUI具有第三窗口，其包括方程式编辑器，该等式编辑器至少基于使用第二用户界面设备（诸如键盘）的用户提供的一个或多个文本条目提供分析方程式的符号表示，和/或图形对象中的给定图形对象的用户选择以及相关联的电参数。

4. 发明申请

US20110107252A1 TECHNIQUE FOR GENERATING AN ANALYSIS EQUATION 有权
标题翻译：生成分析方法的技术
公开(公告)号：US20110107252A1
公开(公告)日：2011-05-05
申请号：US12609572
申请日：2009-10-30
申请人： Anil P. Balaram , Kristin M. Beggs , Barry A. Giffel , Guy M. Morency
发明人： Anil P. Balaram , Kristin M. Beggs , Barry A. Giffel , Guy M. Morency
IPC分类号： G06F3/048 , G06F17/50
CPC分类号： G06F17/5036
摘要： During a method, a hybrid graphical user interface (GUI), which is associated with electronic-design-automation (EDA) software, is displayed. This hybrid GUI allows users to efficiently specify useful analysis equations using textual and/or graphical information. In particular, the hybrid GUI has a first window that includes graphical objects associated with a circuit design. A user can select one or more of the graphical objects and associated electrical parameters using a user-interface device, such as a mouse. The hybrid GUI has a second window that has icons and other graphical controls that allow the construction of an analysis equation using the user-interface device. In addition, the hybrid GUI has a third window that includes an equation editor that provides a symbolic representation of an analysis equation based at least on one or more text entries provided by a user using a second user-interface device (such as a keyboard) and/or user selections of a given graphical object in the graphical objects and an associated electrical parameter.
摘要翻译：在一种方法中，显示与电子设计自动化（EDA）软件相关联的混合图形用户界面（GUI）。这种混合GUI允许用户使用文本和/或图形信息有效地指定有用的分析方程。特别地，混合GUI具有包括与电路设计相关联的图形对象的第一窗口。用户可以使用诸如鼠标的用户界面设备来选择一个或多个图形对象和相关联的电参数。混合GUI具有第二窗口，其具有允许使用用户界面设备构建分析方程的图标和其他图形控件。另外，混合GUI具有第三窗口，其包括方程式编辑器，该等式编辑器至少基于使用第二用户界面设备（诸如键盘）的用户提供的一个或多个文本条目提供分析方程式的符号表示，和/或图形对象中的给定图形对象的用户选择以及相关联的电参数。

5. 发明授权

US5621307A Fast recovery temperature compensated reference source 失效
标题翻译：快速恢复温度补偿参考源
公开(公告)号：US5621307A
公开(公告)日：1997-04-15
申请号：US505671
申请日：1995-07-21
申请人： Kristin M. Beggs
发明人： Kristin M. Beggs
IPC分类号： G05F3/18 , G05F3/16
CPC分类号： G05F3/18 , Y10S323/907
摘要： A precision voltage reference temperature compensated circuit 10 uses forward biased Zener diodes D2, D4 to provide a negative temperature coefficient compensation circuit and reverse biased Zener diodes D5-D6 to provide a positive temperature coefficient compensation circuit. Use of only Zener diodes results in a circuit 10 with fast recovery to the expected output voltage from transient events such as power supply perturbations, output load switching and/or gamma radiation events. The reference output voltage V.sub.out temperature characteristic is finally established by trimming resistors R3, R4 that are coupled between the current source including transistor Q1 and a positive temperature coefficient compensation circuit of diodes D5-D7. The precision reference output voltage level is finally established by trimming the resistors R5 and R6 that are coupled between the output of the temperature coefficient trim network and ground.
摘要翻译：精密参考温度补偿电路10使用正向偏置齐纳二极管D2，D4来提供负温度系数补偿电路和反向偏置齐纳二极管D5-D6以提供正温度系数补偿电路。仅使用齐纳二极管产生电路10，其具有从瞬态事件（例如电源扰动，输出负载切换和/或伽马辐射事件）快速恢复到预期的输出电压。参考输出电压Vout温度特性最终通过微调电阻器R3，R4构成，该电阻器R3，R4耦合在包括晶体管Q1的电流源和二极管D5-D7的正温度系数补偿电路之间。最后通过调节耦合在温度系数调整网络的输出端与地之间的电阻器R5和R6来建立精密基准输出电压电平。

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