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Data copying and checking method

An inspection method and data duplication technology, applied in electrical digital data processing, error detection/correction, instruments, etc., can solve the problems of lack of data, data errors, inability to know programming, and inability to recognize maps, and achieve the time of comparison The effect of shortening, ensuring consistency, reducing time lag

Active Publication Date: 2010-12-08
BEIJING ZHIGU TECH SERVICE
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Problems solved by technology

However, the light on the recorder can only ensure that the burning is complete, and the producer cannot know whether there is data missing or data error during the burning process.
In this way, when a memory card with missing data or wrong data is placed in the navigation device, it may cause the map to be unrecognizable, or malfunctions such as crashes during the execution of the navigation program may occur

Method used

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Embodiment Construction

[0024] In order to make the above features and advantages of the present invention more comprehensible, preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] figure 1 It is a flowchart of a data checking and copying method according to an embodiment of the present invention. Please refer to figure 1 , the data checking and copying method of this embodiment is applicable to a plurality of storage devices applied to portable electronic devices. For example, in the stage of quality control, the manufacturer can use this method to check whether the data copied in the secure digital memory card in each navigation device is consistent, and perform corresponding processing to ensure the consistency of the data.

[0026] Firstly, proceed to step S110, according to an image file, respectively generate a piece of data in a plurality of storage devices, wherein the data includes a plurality of files. Fo...

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Abstract

A method for copying and checking data can assure the accordance of the data in a memory device via comparing the files and size of the files to increase the reliability of the data; Firstly, copying the data stored in various devices; then providing the comparing list on the list than to serve as a check together with the ratio of the target file size. After the selection of a storage device which will check all the files together with the ratio of the combined check list than the right. When the check together the case of inconsistency, then re-copy the data stored in various devices. In addition, more than for each storage device the size of all files on the list than the file size. When the file size of inconsistencies, the data is then copied the files in the event of inconsistenciesbetween the size of storage devices.

Description

technical field [0001] The present invention relates to a method of processing data, in particular to a method of copying and checking data. Background technique [0002] The Global Positioning System (GPS) is a navigation system combining satellite and wireless technology, which can provide users with precise positioning, speed and time. The application of GPS has widely existed in the current market. With the advancement of satellite technology, many GPS technologies and business opportunities are also developing rapidly. GPS was limited to military applications in the early days, and its purpose is for military purposes, such as fighter planes, ships, and vehicles. , Personnel, accurate positioning of attack targets, etc. Today, GPS has been opened to the public for positioning. This technology, which combines space satellites and communication technology, has been vigorously deployed in the private market, and has produced some revolutionary changes in daily life applic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/00G01C21/34
Inventor 刘庆珍王军
Owner BEIJING ZHIGU TECH SERVICE
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