Time synchronization method, device and system

A technology of time synchronization and time synchronization, which is applied in the field of communication, can solve problems such as out-of-synchronization and information system time inconsistency, and achieve the effect of guaranteeing time

Active Publication Date: 2016-06-08
TELEWAVE INFORMATION TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a method to achieve time synchronization for the problems of disunity and synchronization in the time of information systems

Method used

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  • Time synchronization method, device and system
  • Time synchronization method, device and system
  • Time synchronization method, device and system

Examples

Experimental program
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Embodiment Construction

[0042] Please refer to figure 1 A flow chart of a method for realizing time synchronization is shown, a method for realizing time synchronization, the method includes:

[0043] S101: Receive the standard synchronization time sent by the synchronization clock source through the local area network.

[0044] Specifically, please refer to image 3 In an application scenario shown, the clock synchronization client 302 receives the standard synchronization time sent by the synchronization clock source 302 through the local area network, and the synchronization clock source 302 receives the standard synchronization time sent by the timing satellite, and the standard synchronization time is the current time; please refer to image 3 A schematic diagram of an information system including a single synchronous clock source. Specifically, if the application scenario is the timing and synchronization of a single (small) information system, such as: a city public security bureau, a county ...

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Abstract

The invention provides a time synchronization method. The method comprises following steps: receiving standard synchronization time sent by a synchronization clock source through a local area network; obtaining the system time of a computer terminal according to a set time interval; detecting whether the system time and the standard synchronization time are consistent; and if detecting that system time and the standard synchronization time are inconsistent, modifying the system time of the computer terminal according to the standard synchronization time. Moreover, the invention also provides a time synchronization and system. Through the timing service of the standard clock, the time of various communication devices and the computer device on the communication network is unified; the time deviation is limited in a small enough range; the time of the system is ensured to be uniform and synchronous; and the normal operation of a public security emergency command system is ensured.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method, device and system for realizing time synchronization. Background technique [0002] The computer clock is used to record the time information of events, such as E-mail information, file creation and access time, database processing time, etc. Many of these applications will not work properly if the computer clock is inaccurate. For example, time-sensitive computer systems, such as financial industry servers, EDI, large-scale distributed commercial databases, aerospace control computers, etc., require high-precision time information. Therefore, it is necessary to unify the time of various communication devices or computer devices on the communication network through the standard clock timing service, and limit the time deviation to a sufficiently small range. [0003] The standard time service network-wide time synchronization platform mainly provides unified synchron...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/06G06F1/12
CPCG06F1/12H04J3/0638
Inventor 王冰黄辉李永辉肖延坤杜宝宝张镇平林方湖杨穆智
Owner TELEWAVE INFORMATION TECH
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