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    Method and system for providing a sense amplifier and drive circuit for spin transfer torque magnetic random access memory
    83.
    发明授权
    Method and system for providing a sense amplifier and drive circuit for spin transfer torque magnetic random access memory 有权
    提供感应放大器和驱动电路的自动转移转矩磁性随机存取存储器的方法和系统

    公开(公告)号：US07764536B2

    公开(公告)日：2010-07-27

    申请号：US11834917

    申请日：2007-08-07

    Applicant: Xiao Luo ,  David Chang-Cheng Yu

    Inventor： Xiao Luo ,  David Chang-Cheng Yu

    IPC: G11C11/00

    CPC classification number: G11C11/1673 ,  G11C11/1659

    Abstract: A method and system for providing a magnetic memory are described. The method and system include a plurality of magnetic storage cells, a plurality of bit lines, at least one reference line, and at least one sense amplifier. Each magnetic storage cell includes magnetic element(s) and selection device(s). The magnetic element(s) are programmable using write current(s) driven through the magnetic element. The bit and source lines correspond to the magnetic storage cells. The sense amplifier(s) are coupled with the bit lines and reference line(s), and include logic and a plurality of stages. The stages include first and second stages. The first stage converts at least current signal to at least one differential voltage signal. The second stage amplifies the at least one differential voltage signal. The logic selectively disables at least one of the first and second stages in the absence of a read operation and enabling the first and second stages during the read operation.

    Abstract translation: 描述了一种用于提供磁存储器的方法和系统。 该方法和系统包括多个磁存储单元，多个位线，至少一个参考线和至少一个读出放大器。 每个磁存储单元包括磁性元件和选择装置。 磁性元件可通过驱动通过磁性元件的写入电流来编程。 位线和源极线对应于磁存储单元。 读出放大器与位线和参考线耦合，并且包括逻辑和多个级。 阶段包括第一和第二阶段。 第一级至少将电流信号转换为至少一个差分电压信号。 第二级放大至少一个差分电压信号。 在没有读取操作的情况下，逻辑选择性地禁用第一和第二级中的至少一个，并且在读取操作期间启用第一级和第二级。

    HIGHLY PARALLEL EVALUATION OF XACML POLICIES
    84.
    发明申请
    HIGHLY PARALLEL EVALUATION OF XACML POLICIES 有权
    XACML政策的高度平行评估

    公开(公告)号：US20090288136A1

    公开(公告)日：2009-11-19

    申请号：US12123227

    申请日：2008-05-19

    Applicant: David Chang ,  Nagaraj Bagepalli ,  Harsha Narayan ,  Abhijit Patra

    Inventor： David Chang ,  Nagaraj Bagepalli ,  Harsha Narayan ,  Abhijit Patra

    IPC: G06F21/00

    CPC classification number: G06F21/6227 ,  G06F21/6218 ,  G06F2221/2141 ,  H04L63/101

    Abstract: Techniques for highly parallel evaluation of XACML policies are described herein. In one embodiment, attributes are extracted from a request for accessing a resource including at least one of a user attribute and an environment attribute. Multiple individual searches are concurrently performed, one for each of the extracted attributes, in a policy store having stored therein rules and policies written in XACML, where the rules and policies are optimally stored using a bit vector algorithm. The individual search results associated with the attributes are then combined to generate a single final result using a predetermined policy combination algorithm. It is then determined whether the client is eligible to access the requested resource of the datacenter based on the single final result, including performing a layer-7 access control process, where the network element operates as an application service gateway to the datacenter. Other methods and apparatuses are also described.

    Abstract translation: 本文描述了用于高度并行评估XACML策略的技术。 在一个实施例中，从包括用户属性和环境属性中的至少一个的资源的访问请求中提取属性。 在存储有以XACML编写的规则和策略的策略存储器中，并行地执行多个单独搜索，每个搜索属性中的每一个，其中使用位向量算法优化地存储规则和策略。 然后将与属性相关联的单独搜索结果组合以使用预定的策略组合算法来生成单个最终结果。 然后，基于单个最终结果确定客户端是否有资格访问数据中心的所请求的资源，包括执行第七层访问控制过程，其中网络元件作为到数据中心的应用服务网关操作。 还描述了其它方法和装置。

    EXTENSIBILITY FRAMEWORK OF A NETWORK ELEMENT
    85.
    发明申请
    EXTENSIBILITY FRAMEWORK OF A NETWORK ELEMENT 审中-公开
    网络元素的可扩展框架

    公开(公告)号：US20090288104A1

    公开(公告)日：2009-11-19

    申请号：US12123225

    申请日：2008-05-19

    Applicant: Nagaraj Bagepalli ,  David Chang ,  Surendra Kumar ,  Abhijit Patra

    Inventor： Nagaraj Bagepalli ,  David Chang ,  Surendra Kumar ,  Abhijit Patra

    IPC: G06F9/54 ,  G06F15/173

    CPC classification number: H04L67/2804 ,  H04L63/10 ,  H04L67/02 ,  H04L67/2819 ,  H04L69/22

    Abstract: Techniques for providing extensibility framework for processing network packets are described herein. In one embodiment, in response to a packet received at a network element, the packet is processed using a generic process for performing a first type of operations required by the packet, wherein the first type of operations is common to a type of the packet. An extended process is invoked, via an extensibility application programming interface (API), to perform a custom operation that is not common to the generic process and is not statically known to the generic process, in order to determine whether the packet is eligible to access a resource of at least one of a plurality of application servers of a datacenter, including a layer-7 access control process. The network element operates as an application service gateway for the datacenter. Other methods and apparatuses are also described.

    Abstract translation: 本文描述了用于提供用于处理网络分组的可扩展性框架的技术。 在一个实施例中，响应于在网络元件处接收到的分组，使用用于执行分组所需的第一类型的操作的通用处理来处理分组，其中第一类型的操作对于分组的类型是共同的。 通过可扩展性应用程序编程接口（API）调用扩展过程，以执行通用过程不常见的定制操作，并且通用过程不是静态知道的，以便确定数据包是否有资格访问 数据中心的多个应用服务器中的至少一个的资源，包括第7层访问控制过程。 网络元件作为数据中心的应用服务网关运行。 还描述了其它方法和装置。

    Power management systems and methods for programmable logic devices
    86.
    发明授权
    Power management systems and methods for programmable logic devices 有权
    用于可编程逻辑器件的电源管理系统和方法

    公开(公告)号：US07560953B1

    公开(公告)日：2009-07-14

    申请号：US12107883

    申请日：2008-04-23

    Applicant: Satwant Singh ,  Fabiano Fontana ,  David Chang

    Inventor： Satwant Singh ,  Fabiano Fontana ,  David Chang

    IPC: H03K19/173

    CPC classification number: H03K19/17744 ,  H03K19/17784

    Abstract: A programmable logic device, in accordance with an embodiment, includes a first terminal; an input buffer having a buffer input terminal and a buffer output terminal; and a multiplexer coupled to the first terminal and to the input buffer, wherein the multiplexer is adapted to selectively couple either the first terminal to the buffer input terminal or couple the buffer output terminal to the buffer input terminal.

    Abstract translation: 根据实施例的可编程逻辑器件包括第一端子; 具有缓冲器输入端子和缓冲器输出端子的输入缓冲器; 以及耦合到所述第一终端和所述输入缓冲器的多路复用器，其中所述多路复用器适于选择性地将所述第一终端耦合到所述缓冲器输入端子或将所述缓冲器输出端子耦合到所述缓冲器输入端子。

    System and method for automatic wireless network password update
    88.
    发明申请
    System and method for automatic wireless network password update 审中-公开
    自动无线网络密码更新的系统和方法

    公开(公告)号：US20070174901A1

    公开(公告)日：2007-07-26

    申请号：US11336205

    申请日：2006-01-20

    Applicant: David Chang ,  John Chang ,  Vishwanath Venkataramappa

    Inventor： David Chang ,  John Chang ,  Vishwanath Venkataramappa

    IPC: H04L9/32

    CPC classification number: H04L63/0846 ,  H04L63/0428 ,  H04W12/0013 ,  H04W12/06

    Abstract: A system and method that allows an administrator to set a new password at a wireless access point, such as a traditional WAP or a wireless router. The wireless access point creates a message that includes the new password. The message is encrypted using the old password that was previously set for the wireless network. The encrypted message is wirelessly transmitted from the wireless access point to the active client devices (those clients currently accessing the wireless network). The clients decrypt the message using the old password that was previously provided to the clients. The clients retrieve the new password from the message. The clients construct a new message that is encrypted using the new password. The new message is wirelessly transmitted from the clients to the wireless access device and serves as an acknowledgement.

    Abstract translation: 允许管理员在无线接入点（如传统WAP或无线路由器）设置新密码的系统和方法。 无线接入点创建一个包含新密码的消息。 该消息是使用之前为无线网络设置的旧密码加密的。 加密的消息从无线接入点无线地发送到活动客户端设备（当前正在接入无线网络的那些客户端）。 客户端使用之前提供给客户端的旧密码解密邮件。 客户端从邮件中检索新密码。 客户端构造使用新密码加密的新消息。 新消息从客户端无线传输到无线接入设备，并作为确认。

    UV gel light
    89.
    外观设计
    UV gel light 有权
    紫外线凝胶光

    公开(公告)号：USD532931S1

    公开(公告)日：2006-11-28

    申请号：US29221316

    申请日：2005-01-13

    Applicant: David Chang

    Designer： David Chang

    Endoluminal delivery of anesthesia
    90.
    发明申请
    Endoluminal delivery of anesthesia 有权
    腔内输送麻醉

    公开(公告)号：US20060106338A1

    公开(公告)日：2006-05-18

    申请号：US11282222

    申请日：2005-11-18

    Applicant: David Chang

    Inventor： David Chang

    IPC: A61M29/00

    CPC classification number: A61M19/00 ,  A61B6/487 ,  A61B18/1492 ,  A61M5/007 ,  A61M25/0084 ,  A61M25/04 ,  A61M25/10 ,  A61M25/1011 ,  A61M2025/009 ,  A61M2210/12

    Abstract: Described herein are methods and devices for selectively applying fluids (particularly anesthetics) to a target tissue from within a blood vessel while minimizing the amount of fluid applied to non-target tissue. The injection catheters described herein may include an elongate body, a directional injector, and one or more holdfasts for securing the catheter before extending the injector. The methods of selectively applying anesthetic to a target structure generally include the steps of inserting an injection catheter into a body vessel, positioning the injection catheter within the body vessel near the target structure, anchoring the injection catheter before extending a directional injector from the injection catheter, and applying anesthetic from the injection catheter to the target structure.

    Abstract translation: 本文描述的是用于从血管内选择性地将流体（特别是麻醉剂）施用于目标组织的方法和装置，同时最小化施加于非目标组织的流体的量。 本文所述的注射导管可以包括细长体，定向注射器和用于在延伸注射器之前固定导管的一个或多个保持架。 将麻醉剂选择性地施加到目标结构的方法通常包括将注射导管插入体容器中的步骤，将注射导管定位在体内容器中靠近靶结构的位置，在将注射导管从注射导管 并将注射导管的麻醉剂施加到目标结构上。

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