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1. 发明授权

US5627964A Reduce or fail-safe bootstrapping of a system having a graphical user interface 失效
标题翻译：具有图形用户界面的系统的减少或故障安全引导
公开(公告)号：US5627964A
公开(公告)日：1997-05-06
申请号：US355074
申请日：1994-12-13
申请人： Brian A. Reynolds , Pierre-Yves Santerre , Darryl S. Richman , Ralph A. Lipe , Robert M. McKaughan
发明人： Brian A. Reynolds , Pierre-Yves Santerre , Darryl S. Richman , Ralph A. Lipe , Robert M. McKaughan
IPC分类号： G06F11/00 , G06F11/14 , G06F11/34
CPC分类号： G06F11/1417
摘要： A method and system are disclosed for invoking a limited or "fail-safe" functionality from a computer system having a graphical user interface (GUI). In one aspect, a computer operating system having GUI functionality can be activated with two different sets of GUI features. Normally, the operating system provides a full complement of GUI features. Alternatively, the operating system provides a more limited set of GUI features. The operating system invokes the limited set of GUI features either in response to a user command, such as a keyboard function key pressed during the bootstrap loading sequence of the operating system, or automatically in response to a failure of an attempt by the computer system to load the normal complement of GUI functions. With the limited set of GUI features, the user of the computer can take advantage of the power of graphical user interfaces even when the computer system is not operating normally. For example, the user can run graphically based diagnostic and repair programs from the "fail-safe" mode. The invention finds application in stand-alone and networked computer systems and, in particular, in systems that store the bulk of the operating system software on a remote server accessible only by network.
摘要翻译：公开了一种用于从具有图形用户界面（GUI）的计算机系统调用有限或“故障安全”功能的方法和系统。在一个方面，具有GUI功能的计算机操作系统可以利用两组不同的GUI特征来激活。通常，操作系统提供了完整的GUI功能。或者，操作系统提供更有限的一组GUI特征。操作系统响应于用户命令来调用有限的GUI特征，诸如在操作系统的引导加载序列期间按下的键盘功能键，或者响应于计算机系统尝试失败而自动响应加载GUI功能的正常补充。使用有限的GUI功能，即使计算机系统运行不正常，计算机的用户也可以利用图形用户界面的优势。例如，用户可以从“故障安全”模式运行基于图形的诊断和修复程序。本发明可以在独立和联网的计算机系统中应用，特别是在仅可由网络访问的远程服务器上存储大部分操作系统软件的系统中。

2. 发明授权

US5544197A Cutover apparatus and methods for switching a signal between two transmission media 失效
标题翻译：切换装置和用于在两个传输介质之间切换信号的方法
公开(公告)号：US5544197A
公开(公告)日：1996-08-06
申请号：US224048
申请日：1994-04-07
申请人： Carl J. Baumgaertner , Robert M. McKaughan
发明人： Carl J. Baumgaertner , Robert M. McKaughan
IPC分类号： G06F11/20 , H04L1/22 , H01P5/00
CPC分类号： H04L1/22
摘要： A system and methods are provided for switching a signal from a first transmission media having a characteristic impedance to a second transmission media. The system includes a driver for driving a signal, the driver having a driver input having a high impedance relative to a characteristic impedance of the first transmission media and the driver having a driver output having an impedance equal to the characteristic impedance of the first transmission media. A first switch couples the driver output either to the first transmission media or to the second transmission media and couples a signal from the first transmission media, which is coupled to the driver input, either to the first transmission media or to the second transmission media. A first switch controller controls the first switch to either simultaneously couple the driver output to the first transmission media and the signal from the first transmission media coupled to the driver input to the second transmission media or simultaneously coupling the driver output to the second transmission media and the signal from the first transmission media coupled to the driver input to the first transmission media. A terminator having an impedance equal to the characteristic impedance of the first transmission media for terminating a signal from either the first or the second transmission media is switched by a second switch to terminate either the first or second transmission media.
摘要翻译：提供了一种用于将具有特征阻抗的第一传输介质的信号切换到第二传输介质的系统和方法。该系统包括用于驱动信号的驱动器，该驱动器具有相对于第一传输介质的特性阻抗具有高阻抗的驱动器输入，并且驱动器具有驱动器输出，该驱动器输出的阻抗等于第一传输介质的特性阻抗。第一开关将驱动器输出耦合到第一传输介质或第二传输介质，并将耦合到驱动器输入的第一传输介质的信号耦合到第一传输介质或第二传输介质。第一开关控制器控制第一开关以同时将驱动器输出耦合到第一传输介质和耦合到驱动器输入到第二传输介质的第一传输介质的信号，或者同时将驱动器输出耦合到第二传输介质，以及耦合到驱动器的第一传输介质的信号输入到第一传输介质。具有等于第一传输介质的特性阻抗的阻抗的端接器用于终止来自第一或第二传输介质的信号，由第二开关切换以终止第一或第二传输介质。

3. 发明授权

US06014744A State governing the performance of optional booting operations 失效
标题翻译：管理可选启动操作的状态的状态
公开(公告)号：US06014744A
公开(公告)日：2000-01-11
申请号：US6234
申请日：1998-01-13
申请人： Robert M. McKaughan , Forrest Foltz
发明人： Robert M. McKaughan , Forrest Foltz
IPC分类号： G06F9/445
CPC分类号： G06F9/4401
摘要： The present invention is directed to a facility for performing selected operations as part of a booting process of a computer system only during iterations of the booting process that immediately follow failed iterations of the booting process. At the beginning of the booting process, the facility copies a persistent instance of a flag indicating whether the iteration of the booting process at the current iteration of the booting process immediately follows fail to a temporary instance of the flag. The facility then assigns the persistent instance of the flag to the set condition so that, if the current iteration of the booting process fails before completing, the flag will reflect that the current iteration of the booting process failed. When each selected operation is encountered during the current iteration of the booting process, the facility performs that selected operation only if the temporary instance of the flag is set. If and when the current iteration of the booting process concludes successfully, the facility clears the persistent instance of the flag to reflect that the current iteration of the booting process completed successfully. In a further preferred embodiment, programs, such as the BIOS or the operating system, may set a second flag to explicitly request the performance of the selected operations during the next iteration of the booting process.
摘要翻译：本发明涉及用于仅在引导过程的迭代期间执行所选择的操作作为计算机系统的引导过程的一部分的设备，该引导过程紧随着引导过程的失败迭代。在引导过程开始时，设备复制一个标志的持久性实例，指示在引导过程的当前迭代中引导过程的迭代是否立即失败到标志的临时实例。然后，设备将标志的持久性实例分配给设置条件，以便如果引导过程的当前迭代在完成之前失败，则该标志将反映引导过程的当前迭代失败。当在引导过程的当前迭代期间遇到每个所选择的操作时，仅当设置了该标志的临时实例时，该设施才执行该选择的操作。如果引导过程的当前迭代结束，则该设施将清除该标志的持久性实例，以反映引导过程的当前迭代成功完成。在另一优选实施例中，诸如BIOS或操作系统的程序可以设置第二标志以在引导过程的下一次迭代期间显式地请求执行所选择的操作。

4. 发明授权

US5802305A System for remotely waking a sleeping computer in power down state by comparing incoming packet to the list of packets storing on network interface card 失效
标题翻译：通过将进入的分组与存储在网络接口卡上的分组列表进行比较来远程唤醒休眠计算机的系统
公开(公告)号：US5802305A
公开(公告)日：1998-09-01
申请号：US649452
申请日：1996-05-17
申请人： Robert M. McKaughan , Forrest Foltz , Rajasekhar Abburi
发明人： Robert M. McKaughan , Forrest Foltz , Rajasekhar Abburi
IPC分类号： G06F1/32 , H04L12/12
CPC分类号： G06F1/3209 , H04L12/12 , Y02B60/32 , Y02B60/34
摘要： In a computer network including a plurality of interconnected computers, one of the computers being a sleeping computer in a power down state, the sleeping computer having a list of packets to listen for stored on a network interface card associated with the sleeping computer, a method of waking the sleeping computer from the computer network. An incoming packet of information is transmitted from one of the computers in the network to the sleeping computer. When the network interface card of the sleeping computer detects the incoming packet, it compares the incoming packet to the list of packets stored on the network interface card. If the incoming packet matches one of the packets in the list of packets stored on the network interface card, or if the incoming packet is directly addressed to the sleeping computer, then a signal is issued to wake the sleeping computer. Otherwise, the incoming packet is discarded and the sleeping computer is not awaken.
摘要翻译：在包括多个相互连接的计算机的计算机网络中，其中一台计算机是处于断电状态的休眠计算机，睡眠计算机具有存储在与休眠计算机相关联的网络接口卡上的用于监听的分组列表，一种方法从计算机网络唤醒睡眠电脑。来自网络中的计算机之一的信息传送到睡眠计算机。当睡眠计算机的网络接口卡检测到传入的数据包时，将输入的数据包与存储在网络接口卡上的数据包列表进行比较。如果传入的分组匹配存储在网络接口卡上的分组列表中的一个分组，或者如果传入的分组直接寻址到睡眠计算机，则发出一个信号来唤醒睡眠的计算机。否则，传入的数据包被丢弃，并且睡眠的计算机没有被唤醒。

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