KR100854823B1 - Method and apparatus for detecting error of an image display device - Google Patents

Abstract

The present invention is to be able to extract a variety of error messages to notify the user by selecting only the error message and deleting unnecessary parts after storing the bad symptoms that are not easily reproduced through a debugging function for a certain time.

That is, the present invention inserts an error storage unit for storing error information in a set where a failure occurs, detects an error for a preset time, and if an error occurs, copy the contents before a certain time from the time when the error occurs If the same error occurs by repeatedly checking the error every preset time, the error content is saved.If the same error does not occur, the error content is saved by deleting the previously stored error content to minimize the storage capacity. Can be.

Therefore, the error detection apparatus and method of an image display device according to the present invention includes errors from the time of detecting the error message to the time before the predetermined time through the error message detection of the surrounding situation such as a defect that is difficult to reproduce in the image display device. Providing a breakdown can help identify the root cause, so that the response to errors can be made quickly.

Error / EPF

Description

Method and apparatus for detecting error of (an) image display device}

1 is a block diagram showing an error detection apparatus of a video display device according to the present invention.

2 is a flowchart illustrating an error detection method of an image display device according to the present invention;

3 is a diagram illustrating an error message detected by an error detection apparatus of an image display device according to the present invention;

<Description of the symbols for the main parts of the drawings>

100: video display device 110: multiple IC

120: error detection unit 130: control unit

140: data conversion unit 200: error storage unit

The present invention relates to an image display device, and in particular, after storing a bad symptom that is not easily reproduced through a debugging function for a predetermined time, selecting an error message and deleting unnecessary parts to extract various error messages and notify the user. An error detection apparatus and method for an image display device.

Recently, as the digital display device is digitized, the digital TV is operated by the CPU and the RTOS (Real Time Operation System), and since several processes must be operated at the same time, the existing microcomputer alone cannot function properly as a host.

In the process of developing such a digital TV, a PC is generally used for debugging. The method of using such a PC is a method of debugging by connecting a port capable of data communication with a PC to the digital TV. In this case, it was not possible to access the digital TV, so it was impossible to identify the current state or identify system variables.

Therefore, there is a conventional method of diagnosing errors by TV itself, such as displaying debug messages and system variables on the TV screen, without using a PC to compensate for these shortcomings and to easily check the status of the digital TV. Is being presented.

However, the error diagnosis method of the image display apparatus according to the prior art can only confirm the fact that an error occurred when an error occurred, there was a problem that does not know exactly what caused the error.

In addition, there is a problem that the response can not be made quickly because it does not accurately determine the cause of the error.

Therefore, the present invention has been made to solve the above problems, and the object of the present invention is to detect an error for a certain time and to record the cause of occurrence from an area before a certain period where an error exists.

In addition, when repeatedly detecting an error at a predetermined time period, when an error is not detected, another object of the present invention is to make error detection more efficient by deleting a previously generated error detection history.

An error detecting apparatus for an image display apparatus according to the present invention for achieving the above object is to detect whether there is an error of the plurality of ICs and various software at a predetermined period in the image display apparatus having a plurality of ICs and the corresponding error. And an error storage unit for storing the detected error information according to the control signal of the controller.

Preferably, the data format is converted to convert the data format so that the error information detected through the controller can be stored in the error storage unit, or to convert the data format so that the controller can recognize the error information stored in the error storage unit. It is configured to further include wealth, which has its characteristics.

More preferably, the error storage unit is attachable / detachable.

More preferably, the error storage unit is characterized in that the memory card interface using a memory card, such as EPF (ELECTRONIC PICTURE FRAME).

More preferably, the error storage unit stores only the contents before a certain time from the time when the error is detected, if an error exists under the control of the controller.

More preferably, the error storage unit deletes previously stored error information when the same error is not repeatedly detected under the control of the controller.

An error detection method of an image display device according to the present invention for achieving the above object comprises a plurality of ICs, and in the error detection method of an image display device that can be attached and detached from an error storage unit. Executing a detection function, determining whether an error exists for a preset time while executing the error detection function, and controlling storage of the error information according to whether the error exists; It is characterized by.

Preferably, the step of executing the error detection function is a step of detecting an operation state of the plurality of ICs and errors of various softwares.

More preferably, the step of determining whether an error exists during the preset time is a step of determining whether the error is repeatedly detected during the preset time.

More preferably, the step of controlling the storage of the corresponding error information according to whether or not the error exists, if the error is detected in the process of detecting the error during the predetermined time to extract the contents of the previous time from the time when the error is detected And storing the stored error information if the same error does not occur.

Hereinafter, an error detection apparatus and method of an image display device according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating an error detection apparatus of an image display apparatus according to the present invention, and FIG. 2 is a flowchart illustrating an error detection method of the image display apparatus according to the present invention.

As shown in FIG. 1, an error detection apparatus of an image display device according to the present invention includes a plurality of ICs 110, an error detector 120 for detecting whether an error of various software and systems exists, and the plurality of ICs. The image display device 100 having a control unit 130 for identifying an error occurrence of 110 and the occurrence of an error generated by the error detection unit 120 and the detection according to a control signal of the control unit 130. And an error storage unit 200 for storing the error information.

In addition, the controller 130 may convert the data format so that the error information detected through the controller 130 may be stored in the error storage unit 200, or the error information stored in the error storage unit 200 may be stored in the controller 130. It further comprises a data conversion unit 140 for converting the data format to be recognized.

The error storage unit 200 may be attached to or detached from the image display device, and may include a memory card interface using a memory card such as an EPF.

The controller 130 prints and outputs error information detected through the plurality of ICs 110 or the error detector 120 in a text form as shown in FIG. 3, and the data converter 140 controls the controller. The control unit 130 converts the data format so that the error messages E1 and E2 output through the 130 can be stored in the error storage unit 200 or the error messages stored in the error storage unit 200 are stored. Convert the data format when transferring to.

In addition, the operation history from the time when the error message (E1) (E2) occurs until a predetermined time can be stored in the error storage unit 200, the engineer or serviceman for the error response to the error storage unit ( Even if only the contents stored in 200 are checked, it is possible to determine what caused the error.

The operation of the error detection apparatus of the video display device according to the present invention configured as described above is as follows.

The controller 130 determines whether the error storage unit 200 is connected through the data conversion unit 140, and if it is determined that the error storage unit 200 is connected, the error detection function may be performed at a predetermined cycle. To control.

That is, the controller 130 detects an overall error of the plurality of ICs 110 and various hardware, software, and systems for a preset time, and when an error is detected, a predetermined time before the corresponding error is detected. The detection history is extracted and stored in the error storage unit 200.

The controller 130 repeatedly performs the above detection every predetermined time to determine whether the same error occurs at the same point. If the same error occurs, the controller 130 maintains the error storage unit 200 and stores the same. If no error occurs, the error history previously stored in the error storage unit 200 is deleted.

Therefore, the error history is detected every predetermined time and the storage history can be managed to optimize and manage the capacity of the error storage unit 200.

The error detection method of the image display device according to the present invention configured as described above will be described with reference to FIG. 2. First, it is determined whether the error storage unit is connected (S101).

Subsequently, if the error storage unit is connected, the determination result (S101) executes an error detection function (S102).

Error monitoring is then performed (S103).

Next, it is determined whether an error message is detected (S104).

As a result of the determination (S104), if an error message is detected, the message is copied to a certain time before the error message is detected and stored in the error storage unit (S105).

If the preset time has elapsed, the process ends. If the preset time has not elapsed, the above steps are repeated (S106).

On the other hand, if the determination result (S104), if no error message is detected, it is determined whether or not a predetermined set time has elapsed (S107).

Subsequently, if the predetermined setting time has not elapsed (S107), the stored error message is deleted and the determination continues (S108).

As described above, the error detection apparatus and method of an image display device according to the present invention insert an error storage unit for storing error information in a set where a failure occurs, detect an error for a preset time, and when an error occurs, If the same error occurs by copying and saving the contents before a certain time from the point of occurrence and repeatedly checking the error every preset time, the error contents are saved. If the same error does not occur, the previously saved error By deleting the contents, you can communicate the error situation while minimizing the storage capacity.

As described above, an error detection apparatus and method of an image display device according to the present invention have the following effects.

First, it is possible to identify a more essential cause by providing an error history including the contents of the error message from the detection point to a certain point before the error message by detecting the error situation, such as a defect that is difficult to reproduce in the image display device.

Second, since the root cause of the error can be identified, the response to the error can be made quickly.

Third, if the error message is extracted at regular intervals and the same error does not occur, the storage space for storing the error message, such as deleting the previous error message, can be utilized more efficiently.

Claims (11)

In a video display device having a plurality of ICs, A controller for detecting errors generated from the plurality of ICs and various software to store corresponding error information, and periodically detecting the generated errors to manage specific error information which is repeatedly detected; And, And an error storage unit configured to store error information from a time point at which the error is detected to a predetermined time period according to a control signal of the control unit. The method of claim 1, A data conversion unit for converting a data format so that error information detected through the control unit can be stored in the error storage unit, or converting a data format so that the control unit can recognize the error information stored in the error storage unit. Error detection apparatus of a video display device, characterized in that comprising a. The method of claim 1, And the error storage unit is attachable / detachable. The method of claim 1, And the error storage unit is a memory card interface using a memory card such as an EPF (ELECTRONIC PICTURE FRAME). delete The method of claim 1, And the error storing unit maintains storage of specific error information which is repeatedly detected according to a control signal of the controller, and deletes the error information which is not repeatedly detected. In the error detection method of a video display device having a plurality of ICs, which can be attached / detached from the error storage unit, Detecting an error by executing an error detection function when the error storage unit is inserted; If the detected error exists, storing error information from a time point when the error is detected until a predetermined time; And, And managing specific error information which is repeatedly detected by executing the error detection function at regular intervals. The method of claim 7, wherein The step of executing the error detection function Detecting an error occurring in an operation state of the plurality of ICs and various software. delete The method of claim 7, wherein Managing the repeatedly detected specific error information Maintaining the storage of the corresponding error information which is repeatedly detected if the specific error is repeatedly detected; And deleting the corresponding error information that is not repeatedly detected among the previously stored error information. The method of claim 7, wherein The storing of the error information And extracting and storing operation history information from a time point at which the error is detected to a preset previous time point when the generated error is detected.

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