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    • 2. 发明申请
    • TIME SYNCHRONIZATION METHOD, TIME SYNCHRONIZATION EQUIPMENT AND NETWORK COMMUNICATION SYSTEM
    • 时间同步方法,时间同步设备和网络通信系统
    • US20090238214A1
    • 2009-09-24
    • US12470182
    • 2009-05-21
    • Zhi HONG
    • Zhi HONG
    • H04J3/06
    • H04J3/0688H04J3/0641
    • A time synchronization method includes the following steps. First, network communication equipment receives time information sent by at least two time servers respectively, in which the time information includes time synchronization status information of each of the time servers. Then, it is determined whether time synchronization status of each of the time servers is normal or not according to the time synchronization status information. Finally, the network communication equipment selects to employ the time information provided by the time servers with the normal time synchronization status from the at least two time servers. Network communication equipment and a network communication system are also provided correspondingly. The network communication equipment is capable of employing the time information provided by the time server with the normal time synchronization status according to the time synchronization status of each of the time servers, thereby improving precision and reliability of the time information obtained by the network communication equipment.
    • 时间同步方法包括以下步骤。 首先,网络通信设备分别接收由至少两个时间服务器发送的时间信息,其中时间信息包括每个时间服务器的时间同步状态信息。 然后,根据时间同步状态信息确定每个时间服务器的时间同步状态是否正常。 最后,网络通信设备选择采用来自至少两个时间服务器的具有正常时间同步状态的时间服务器提供的时间信息。 网络通信设备和网络通信系统也相应提供。 网络通信设备能够根据时间服务器的时间同步状态采用时间服务器提供的具有正常时间同步状态的时间信息,从而提高由网络通信设备获得的时间信息的精度和可靠性 。