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    System for manipulating and updating data objects with remote data sources automatically and seamlessly
    2.
    发明授权
    System for manipulating and updating data objects with remote data sources automatically and seamlessly 失效
    使用远程数据源自动无缝地操作和更新数据对象的系统

    公开(公告)号：US6128652A

    公开(公告)日：2000-10-03

    申请号：US799295

    申请日：1997-02-13

    申请人： Eng Whatt Toh ,  Kok Hoon Teo ,  Yew Hong Frances Lee ,  Eng Kiat Koh

    发明人： Eng Whatt Toh ,  Kok Hoon Teo ,  Yew Hong Frances Lee ,  Eng Kiat Koh

    IPC分类号： H04N21/237 ,  H04N21/433 ,  H04N21/462 ,  H04N21/472 ,  H04N21/4782 ,  H04N21/658 ,  G06F15/16

    CPC分类号： H04N21/237 ,  H04N21/4331 ,  H04N21/4622 ,  H04N21/472 ,  H04N21/4782 ,  H04N21/6581

    摘要： Applications are created having remote data sources linked to data objects on storage media such as CD-ROMs. These data objects are linked transparently to remote sources and updated automatically. An agent--based LiveServer accepts connections from at least one LivePlayer which may be linked to the invention remotely by a direct network link or a modem dial out to the terminal server to which the LiveServer is connected. When the LivePlayer fetches a resource from the network it shall first post its universal resource locator (URL) to the LiveServer. The LiveServer scans a translation table of alternative addresses for the URL. The LiveServer returns either an original or translated URL to the LivePlayer which then uses this URL to check its local hard disk cache to determine if the resource has been fetched earlier. If no such resource exists on the local cache the LivePlayer fetches the media from the remote site via the appropriate network protocol. This media will then be kept on the local cache and rendered by the LivePlayer. If the URL is found on the local cache, the appropriate network protocol will be used to contact the remote site to determine if it is outdated. If the cache is outdated, the local file is replaced by the new file fetched from the remote site. Otherwise the local file is rendered by the LivePlayer. The LiveServer automatically broadcasts updates to remote data sources to all currently connected LivePlayers, which then update the media by doing a remote fetch if it is currently been browsed. These LiveServer broadcasts thus provide live updates to data objects.

    摘要翻译： 创建的应用程序具有链接到存储介质（如CD-ROM）上的数据对象的远程数据源。 这些数据对象与远程源透明地相连，并自动更新。 基于代理的LiveServer接受来自至少一个LivePlayer的连接，该LivePlayer可以通过直接网络链路或调制解调器拨出远程连接到本发明，连接到LiveServer所连接的终端服务器。 当LivePlayer从网络中获取资源时，应首先将其通用资源定位符（URL）发布到LiveServer。 LiveServer扫描URL的替代地址的转换表。 LiveServer将原始或翻译的URL返回给LivePlayer，然后使用此URL检查其本地硬盘缓存，以确定资源是否已被提取。 如果本地缓存上没有此类资源，LivePlayer将通过适当的网络协议从远程站点获取媒体。 该媒体将被保存在本地缓存中，并由LivePlayer呈现。 如果在本地缓存中找到URL，则将使用适当的网络协议来联系远程站点以确定其是否过时。 如果缓存过期，本地文件将被从远程站点获取的新文件替换。 否则本地文件由LivePlayer呈现。 LiveServer自动将远程数据源的更新广播到所有当前连接的LivePlayers，然后通过执行远程抓取（如果当前已被浏览）来更新媒体。 这些LiveServer广播因此为数据对象提供实时更新。

    Secure and reliable document delivery
    4.
    发明授权
    Secure and reliable document delivery 失效
    安全可靠的文件传送

    公开(公告)号：US06988199B2

    公开(公告)日：2006-01-17

    申请号：US09887157

    申请日：2001-06-21

    申请人： Eng-Whatt Toh ,  Chee-Hong Wong ,  Kok-Hoon Teo ,  See-Wai Yip

    发明人： Eng-Whatt Toh ,  Chee-Hong Wong ,  Kok-Hoon Teo ,  See-Wai Yip

    IPC分类号： H04L9/00

    CPC分类号： H04L63/0442 ,  H04L63/061 ,  H04L63/062 ,  H04L63/0823 ,  H04L63/12

    摘要： An Operations Center (OC) (200) acts as a central key manager and intermediary in securely, reliably and non-repudiably delivering a document (3) from a sender (100) to a recipient (300). The OC (200) acts as a key manager to facilitate the process of strong authentication of the sender (100) and the recipient (300), encryption of the delivery (510), and setup of reliable connections (2A, 2B, 2C). In a preferred embodiment, the reliable connections (2A, 2B, 2C) are virtual private network connections.

    摘要翻译： 运营中心（OC）（200）作为中央密钥管理者和中间人，从发件人（100）到收件人（300）安全，可靠和不可否认地传送文档（3）。 OC（200）充当密钥管理器，以促进发送方（100）和接收方（300）的强认证，传送加密（510）和建立可靠连接（2A，2B， 2 C）。 在优选实施例中，可靠连接（2A，2B，2C）是虚拟专用网络连接。