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    • 64. 发明授权
    • Reducing the sizes of application layer messages in a network element
    • 降低网元中应用层消息的大小
    • US07606267B2
    • 2009-10-20
    • US11009127
    • 2004-12-10
    • Ricky HoTefcros AnthiasKollivakkam R. RaghavanAlex Yiu-Man Chan
    • Ricky HoTefcros AnthiasKollivakkam R. RaghavanAlex Yiu-Man Chan
    • H04J3/18H04J3/00
    • H04L69/04H04L69/329
    • A method is disclosed for reducing the sizes of application layer messages in a network element such as a network switch or router. According to one aspect, the network element receives data packets and determines an original application layer message that is collectively contained in payload portions of the data packets. The network element compresses the original application layer message into a compressed message, and sends the compressed message toward an application that is hosted on a device other than the network element. According to another aspect, the network element receives data packets and determines a compressed message that is collectively contained in payload portions of the data packets. The network element decompresses the compressed message into an original application layer message, and sends the original application layer message toward an application that is hosted on a device other than the network element. Compressed messages consume less network bandwidth.
    • 公开了一种减少诸如网络交换机或路由器之类的网络元件中的应用层消息的大小的方法。 根据一个方面,网络单元接收数据分组并且确定共同包含在数据分组的有效载荷部分中的原始应用层消息。 网络元件将原始应用层消息压缩为压缩消息,并将压缩消息发送到托管在除了网元之外的设备上的应用。 根据另一方面,网络单元接收数据分组并且确定统一包含在数据分组的有效载荷部分中的压缩消息。 网络单元将压缩消息解压缩为原始应用层消息,并将原始应用层消息发送到托管在除了网元之外的设备上的应用。 压缩消息消耗较少的网络带宽。
    • 65. 发明授权
    • Method for delivering large amounts of data with interactivity in an on-demand system
    • 在按需系统中提供具有交互性的大量数据的方法
    • US07590751B2
    • 2009-09-15
    • US11581493
    • 2006-10-17
    • Kwok-Wal CheungKwong-Wing Raymond ChanGin-Man ChanWing-Kal Lam
    • Kwok-Wal CheungKwong-Wing Raymond ChanGin-Man ChanWing-Kal Lam
    • G06F15/16
    • H04N21/26616H04N7/17336H04N21/26233H04N21/26275H04N21/47202H04N21/8456
    • A method and system for delivering data over a network to a large number of clients, which may be suitable for building large-scale Video-on-Demand (VOD) systems, are provided. In current VOD systems, the client may suffer from a long latency before starting to receive the requested data that is capable of providing sufficient interactive functions, or the reverse, without significantly increasing the network load. The method utilizes two groups of data streams, one responsible for minimizing latency while the other one provides the required interactive functions. In the anti-latency data group, uniform, non-uniform, or hierarchical staggered stream intervals may be used. The system may have a relatively small startup latency while users may enjoy most of the interactive functions that are typical of video recorders. The method and system may also maintain the number of data streams, and therefore, the bandwidth, required.
    • 提供了一种用于通过网络将数据传送到大量客户端的方法和系统,其可适用于构建大规模视频点播(VOD)系统。 在当前的VOD系统中,在开始接收能够提供足够的交互功能的所请求的数据之前,客户端可能会遇到长时间的延迟,或者相反,而不会显着增加网络负载。 该方法利用两组数据流,一组负责最小化延迟,另一组则提供所需的交互功能。 在反潜时数据组中,可以使用均匀,不均匀或分层交错的流间隔。 系统可能具有相对较小的启动延迟,而用户可以享受大多数典型的录像机的交互功能。 该方法和系统还可以保持数据流的数量,并因此保持所需的带宽。
    • 70. 发明申请
    • BLUETOOTH FM TRANSMITTER WITH PORT DETECT
    • 带端口检测功能的蓝牙FM发射机
    • US20080268781A1
    • 2008-10-30
    • US11953841
    • 2007-12-10
    • Wong Man Chan
    • Wong Man Chan
    • H04B7/00
    • H04H20/08H04H20/61H04H60/80
    • A bluetooth FM transmitter with port detect is the device comprising: a bluetooth communication unit, an audio input port, a connection circuit for corresponding port side, an FM radio emitter, an audio detecting circuit, a CPU, an echo canceller, an LCD, and a keyboard. Wherein the input port of the blue tooth communication unit and sound input port are through the connection circuit respectively connected to the FM radio emitter, the audio detecting circuit, the echo canceller, and the CPU. Wherein the echo canceller is connected between the connection circuit and the FM radio emitter, and the CPU connected to the audio detecting circuit, the LCD, the keyboard, the echo canceller, and the FM radio emitter.
    • 具有端口检测的蓝牙FM发射机是包括:蓝牙通信单元,音频输入端口,对应端口侧的连接电路,FM无线电发射器,音频检测电路,CPU,回波消除器,LCD, 和键盘。 其中蓝牙通信单元和声音输入端口的输入端口通过分别连接到FM无线电发射器,音频检测电路,回声消除器和CPU的连接电路。 其中回波消除器连接在连接电路和FM无线电发射器之间,连接到音频检测电路,LCD,键盘,回声消除器和FM无线电发射器的CPU。