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    • 91. 发明授权
    • Non-linear symmetric sweep spectral-spatial RF pulses for MR spectroscopy
    • 用于MR光谱的非线性对称扫描频谱 - 空间RF脉冲
    • US07042214B2
    • 2006-05-09
    • US10823979
    • 2004-04-13
    • Charles H. CunninghamJohn M. PaulyDaniel B. Vigneron
    • Charles H. CunninghamJohn M. PaulyDaniel B. Vigneron
    • G01V3/00
    • G01R33/446G01R33/4828
    • A method for designing non-linear phase 180° spectral-spatial radio frequency pulses that can be used for spectral editing in magnetic resonance spectroscopic imaging. A novel feature of the pulse is a symmetric sweep developed by the spectral profile from the outside edges of the spectral window towards the middle whereby coupled components are tipped simultaneously and over a short interval. Pulses have been designed for lactate editing at 1.5T and 3T. The spectral and spatial spin-echo profiles of the RF pulses can be measured experimentally and altered in an iterative manner. Spectral-spatial radio frequency (SSRF) pulses allow simultaneous selection in both frequency and spatial domains. These pulses are particularly important for clinical and research magnetic resonance spectroscopy (MRS) applications for suppression of large water and lipid resonances.
    • 用于设计可用于磁共振光谱成像中的光谱编辑的非线性相位180°频谱空间射频脉冲的方法。 脉冲的新颖特征是通过从频谱窗口的外边缘向中间的光谱轮廓展开的对称扫描,由此耦合的部件同时并且在短的间隔内翻转。 脉冲设计用于1.5T和3T的乳酸盐编辑。 RF脉冲的频谱和空间自旋回波曲线可以通过实验测量并以迭代方式进行改变。 频谱空间射频(SSRF)脉冲允许在频域和空间域中同时进行选择。 这些脉冲对于抑制大量水和脂质共振的临床和研究磁共振波谱(MRS)应用尤为重要。
    • 94. 发明授权
    • Method and apparatus for creating virtual upstream channels for enhanced lookahead channel parameter testing
    • 用于创建虚拟上行信道以增强前瞻信道参数测试的方法和装置
    • US07039939B1
    • 2006-05-02
    • US09568795
    • 2000-05-09
    • Mark E. MilletChrisanto LeanoSunil Khaunte
    • Mark E. MilletChrisanto LeanoSunil Khaunte
    • H04N7/173
    • H04H60/97
    • Methods, apparatus, and computer-readable media are disclosed for creating a virtual lookahead upstream receiver in a single physical upstream receiver in a CMTS, thereby avoiding having to dedicate an upstream receiver strictly for lookahead capability. A lookahead receiver is used to determine whether a potential alternative frequency is better than the frequency presently being used. A physical upstream receiver is assigned to operate under a set of operational parameters associated with a logical lookahead receiver during a particular time slot. The logical receiver receives upstream data from a selected test modem using an alternative upstream frequency. It is then determined whether the alternative upstream frequency is preferable over the frequency presently being used. If so, the physical receiver is configured to operate normally under the set of operational parameters associated with the logical receiver. At this stage, all modems in a particular group, including the selected modem, hop over to the alternative frequency. The physical receiver can be divided into any number of logical receivers.
    • 公开了用于在CMTS中的单个物理上行接收器中创建虚拟前视上游接收器的方法,装置和计算机可读介质,从而避免不必将上游接收机专门用于前瞻性能。 先行接收机用于确定潜在的替代频率是否优于当前使用的频率。 分配物理上行接收器以在特定时隙期间在与逻辑前瞻接收机相关联的一组操作参数下操作。 逻辑接收器使用替代上行频率从所选择的测试调制解调器接收上行数据。 然后确定替代上行频率是否优于当前使用的频率。 如果是这样,物理接收机被配置为在与逻辑接收机相关联的一组操作参数下正常地操作。 在这个阶段,包括所选择的调制解调器的特定组中的所有调制解调器跳到替代频率。 物理接收机可分为任意数量的逻辑接收机。
    • 95. 发明授权
    • Method and apparatus for creating and dismantling a transit path in a subnetwork
    • US07039055B1
    • 2006-05-02
    • US09944861
    • 2001-08-31
    • Steven V. Luong
    • Steven V. Luong
    • H04L12/28H04J1/16
    • H04Q11/0478H04L45/10H04L45/123H04L45/22H04L2012/562H04L2012/5668
    • A system and method are disclosed for determining when to set up or tear down such a temporary transit path so that temporary transit paths are set up when they are needed and torn down when they are no longer needed. A temporary transit path is set up when the bit rate exceeds a first threshold. The temporary transit path is torn down when the bit rate is less than a second threshold. The temporary transit path is set up or torn down between a source station's router and a next hop router. The temporary transit path is set up within a subnetwork that includes the source station, the next hop router, and an intermediate router that is interconnected by a plurality of permanent transit paths to the source station and the next hop router. In one embodiment, a method for creating a temporary path for data packet transmission in the subnetwork is disclosed. Transmission of the data packets is initiated over the permanent transit paths that are coupled between the source station and the next hop router. A bit rate of the data packets from the source station to the next hop router is measured after initiating the transmission. Data packets transmission over the permanent transit paths is continued when the measured bit rate is below a first predetermined value. A temporary transit path between the source station and the next hop router is created when the measured bit rate is above the first predetermined value. The data packets are transmitted over the created temporary transit path when the measured bit rate is above the first predetermined value. In a preferred embodiment, the bit rate is measured again after creating the temporary transit path and transmitting the data packets over the created temporary transit path. The created temporary transit path is torn down when the bit rate is below the second predetermined value. Transmission of the data packets is sent over the permanent transit paths from the source station to the next hop routers once the temporary transit path is torn down.
    • 96. 发明授权
    • Methods and apparatus for virtual private network based mobility
    • 基于虚拟专用网络的移动性的方法和装置
    • US07036143B1
    • 2006-04-25
    • US09957519
    • 2001-09-19
    • Keng LeungAlpesh S. Patel
    • Keng LeungAlpesh S. Patel
    • H04L9/00G06F15/16
    • H04L63/0272H04L63/08H04L63/164
    • Methods and apparatus for enabling VPN based mobility are provided. A VPN client having a client subnetwork address corresponding to a particular subnetwork can create a VPN tunnel using an enterprise address from a VPN server. Using the VPN tunnel, the VPN client can establish sessions with a variety of destination nodes including destination nodes on a private or enterprise network associated with the VPN server. When the client moves, the VPN client can acquire a new address that may correspond to a new subnetwork, but the VPN server provides the VPN client with the same enterprise address. Accordingly, the VPN client can maintain existing sessions with destination nodes using the same enterprise address.
    • 提供了基于VPN的移动性的方法和装置。 具有与特定子网对应的客户端子网地址的VPN客户端可以使用来自VPN服务器的企业地址创建VPN隧道。 使用VPN隧道,VPN客户端可以与多个目的地节点建立会话,包括与VPN服务器相关联的私有或企业网络上的目标节点。 当客户端移动时,VPN客户端可以获取可能对应于新子网的新地址,但VPN服务器为VPN客户端提供相同的企业地址。 因此,VPN客户端可以使用相同的企业地址维护与目标节点的现有会话。
    • 97. 发明授权
    • Mechanism to manage the lifecycle of a resource adapter
    • 管理资源适配器生命周期的机制
    • US07036110B2
    • 2006-04-25
    • US10106671
    • 2002-03-25
    • Thulasiraman Jeyaraman
    • Thulasiraman Jeyaraman
    • G06F9/44
    • G06F9/4416
    • Providing a contract between an application server and a resource adapter that allows the application server to manage the lifecycle of the resource adapter. When deploying a resource adapter (or during application server startup), an application server bootstraps a resource adapter instance in an appropriate address space. When a resource adapter is undeployed (or during application server shutdown), the application server notifies the resource adapter instance to stop functioning in order to allow safe unloading. The contract provides a mechanism for an application server to manage the lifecycle of a resource adapter instance, allowing an application server to bootstrap a resource adapter instance during resource adapter deployment or application server startup and to expose some of its useful facilities to the resource adapter instance. It also provides a mechanism to notify the resource adapter instance while it is undeployed or during an orderly shutdown of the application server.
    • 在应用程序服务器和允许应用程序服务器管理资源适配器的生命周期的资源适配器之间提供合同。 在部署资源适配器(或在应用程序服务器启动期间)时,应用程序服务器会在适当的地址空间中引导资源适配器实例。 当资源适配器被取消部署(或在应用程序服务器关闭期间)时,应用程序服务器通知资源适配器实例停止运行,以允许安全卸载。 合同提供了一种机制,使应用程序服务器可以管理资源适配器实例的生命周期,允许应用程序服务器在资源适配器部署或应用程序服务器启动期间引导资源适配器实例,并将其一些有用的工具公开到资源适配器实例 。 它还提供了在取消部署或在应用程序服务器的有序关闭期间通知资源适配器实例的机制。