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    • 7. 发明授权
    • Multimedia coordination system
    • 多媒体协调系统
    • US06772335B2
    • 2004-08-03
    • US10004114
    • 2001-12-06
    • Pavel CurtisMichael D. DixonRonald A. FrederickDavid A. Nichols
    • Pavel CurtisMichael D. DixonRonald A. FrederickDavid A. Nichols
    • H04L900
    • H04L63/0428H04L12/1822H04L29/06H04L29/06027H04L63/062H04L65/403H04L65/4038H04L65/4076H04L67/38H04M3/567
    • In a network, a media coordination system provides secure multimedia communication channels in a collaborative network environment. The media coordination system provides automatic encryption, dynamic interconnection of streams of data, and user interface elements that provide users with control over the ultimate destination of their audio and video data. The infrastructure of the system includes a plurality of client workstations that are connected to a central server using point-to-point network connections. The central server maintains a persistent virtual world of network places with objects located therein. Streams of audio and video data are coordinated between client workstations operating in the persistent virtual world by a key manager object using channels, transmitters, and receivers. The client workstations multicast their audio and video data over the network to defined recipients after receiving a multicast address and an encryption key for a specific multicast channel. In order to protect the privacy of all communications and the integrity of the coordination system, each client workstation retains significant control over distribution and reception of audio and video data since multicast transmission is tied to specific user interface elements. The multimedia user interface elements include cameras, speakers, microphones, and video panes. Since the central server only coordinates where audio and video data is broadcast for a particular interface element, each client workstation ultimately controls the destination of multimedia data through selection of the element at the user interface.
    • 在网络中,媒体协调系统在协作网络环境中提供安全的多媒体通信信道。 媒体协调系统提供自动加密,数据流的动态互连和用户界面元素,为用户提供对其音频和视频数据的最终目的地的控制。 系统的基础设施包括使用点对点网络连接连接到中央服务器的多个客户端工作站。 中央服务器维护具有位于其中的对象的网络位置的持久虚拟世界。 音频和视频数据流在使用信道,发射机和接收机的密钥管理器对象在由持久虚拟世界中操作的客户端工作站之间进行协调。 客户端工作站在接收到组播地址和特定多播信道的加密密钥后,通过网络将其音频和视频数据组播到定义的收件人。 为了保护所有通信的隐私和协调系统的完整性,每个客户端工作站保留对音频和视频数据的分发和接收的显着控制,因为多播传输被绑定到特定的用户界面元素。 多媒体用户界面元素包括相机,扬声器,麦克风和视频窗格。 由于中央服务器仅协调为特定接口元件广播音频和视频数据的位置,所以每个客户端工作站最终通过在用户界面处选择元素来控制多媒体数据的目的地。
    • 8. 发明授权
    • Meeting lobby for web conferencing
    • 会议大厅进行网络会议
    • US08194841B2
    • 2012-06-05
    • US13211261
    • 2011-08-16
    • Anne M. ArchambaultPavel CurtisBrian MeekJeremy B. SmithDouglas Wyatt
    • Anne M. ArchambaultPavel CurtisBrian MeekJeremy B. SmithDouglas Wyatt
    • H04M3/56H04N7/15H04L12/18G06F15/16
    • H04L12/1818
    • A conferencing system provides the scheduling of virtual meetings with meeting lobbies so that a meeting presenter can conduct a virtual meeting without the need to send out invitations to attendees. A person that wants to conduct a virtual meeting can schedule with the conferencing system a meeting with a meeting lobby. The meeting lobby has an address, but there is no associated privileged information, such as a meeting password. Would-be meeting attendees use the meeting lobby address to enter the meeting lobby as visitors in the lobby, and request to enter the meeting from the meeting lobby. A meeting presenter can then either grant authorization for a visitor in the meeting lobby to enter the meeting, or deny authorization for a visitor in the meeting lobby to enter the meeting. If a visitor in the meeting lobby is denied authorization to enter the meeting from the meeting lobby, the conferencing system removes the visitor from the meeting lobby.
    • 会议系统提供与会议大厅的虚拟会议安排,以便会议主持人可以进行虚拟会议,而无需向与会者发送邀请。 想要进行虚拟会议的人可以在会议系统中与会议厅进行会议。 会议厅有地址,但没有相关的特权信息,如会议密码。 会议与会者使用会议厅地址作为游客在大厅进入会议厅,并要求从会议厅进入会议。 然后,会议主持人可以向会议大厅的访客授予进入会议的授权,或拒绝在会议大厅的访客进入会议的授权。 如果会议厅的访问者被拒绝从会议厅进入会议,则会议系统将会议大厅的访问者移除。
    • 9. 发明授权
    • Meeting lobby for web conferencing
    • 会议大厅进行网络会议
    • US07809124B2
    • 2010-10-05
    • US11055888
    • 2005-02-11
    • Anne M. ArchambaultPavel CurtisBrian MeekJeremy B. SmithDouglas K. Wyatt
    • Anne M. ArchambaultPavel CurtisBrian MeekJeremy B. SmithDouglas K. Wyatt
    • H04M3/56H04L12/18H04N7/15
    • H04L12/1818
    • A conferencing system provides the scheduling of virtual meetings with meeting lobbies so that a meeting presenter can conduct a virtual meeting without the need to send out invitations to attendees. A person that wants to conduct a virtual meeting can schedule with the conferencing system a meeting with a meeting lobby. The meeting lobby has an address, but there is no associated privileged information, such as a meeting password. Would-be meeting attendees use the meeting lobby address to enter the meeting lobby as visitors in the lobby, and request to enter the meeting from the meeting lobby. A meeting presenter can then either grant authorization for a visitor in the meeting lobby to enter the meeting, or deny authorization for a visitor in the meeting lobby to enter the meeting. If a visitor in the meeting lobby is denied authorization to enter the meeting from the meeting lobby, the conferencing system removes the visitor from the meeting lobby.
    • 会议系统提供与会议大厅的虚拟会议安排,以便会议主持人可以进行虚拟会议,而无需向与会者发送邀请。 想要进行虚拟会议的人可以在会议系统中与会议厅进行会议。 会议厅有地址,但没有相关的特权信息,如会议密码。 会议与会者使用会议厅地址作为游客在大厅进入会议厅,并要求从会议厅进入会议。 然后,会议主持人可以向会议大厅的访客授予进入会议的授权,或拒绝在会议大厅的访客进入会议的授权。 如果会议厅的访问者被拒绝从会议厅进入会议,则会议系统将会议大厅的访问者移除。
    • 10. 发明申请
    • PRESERVING USER INTENTION IN DISTRIBUTED DATA SYSTEMS
    • 在分布式数据系统中保留用户注意事项
    • US20100094912A1
    • 2010-04-15
    • US12252254
    • 2008-10-15
    • Pavel Curtis
    • Pavel Curtis
    • G06F17/30
    • G06Q10/10
    • The present invention extends to methods, systems, and computer program products for preserving user intention in distributed data systems. Embodiments of the invention preserve user intention when different copies of the same data are independently edited at different locations. User intent can be preserved without centralized locking or other coordination. Thus, modifications to each copy of the date are appropriately reflected in all other copies of the data such that all copies end up in essentially the same state. Embodiments of the invention can be used in collaborative editing and data replication systems.
    • 本发明扩展到用于在分布式数据系统中保持用户意图的方法,系统和计算机程序产品。 当在不同位置独立地编辑相同数据的不同副本时,本发明的实施例保留用户意图。 用户意图可以保留,无需集中锁定或其他协调。 因此,对日期的每个副本的修改都适当地反映在数据的所有其他副本中,使得所有副本最终基本上处于相同的状态。 本发明的实施例可以用于协同编辑和数据复制系统。