KR20070051410A - Apparatus and method for mode control to record update information in optical recording/playback device - Google Patents

Abstract

Disclosed is a mode control apparatus and method for recording update information of an optical recording / reproducing apparatus. When a recording start key is input, the control unit outputs a control signal from the control unit to the pickup drive unit and the spindle motor drive unit, and transmits the corresponding data to the optical disc in the CLV mode. When the data is all recorded on the optical disc and it is the end point of the recording operation, the information on the data recorded in the CLV mode used in the data recording step is read, and the information on the currently recorded data read on the optical disc in the CLV mode. The write / write operation is repeated in the CLV mode without changing the mode until the information on the recorded data is updated in the recording information storage section of the optical disc.

Therefore, the present invention has an effect of preventing data loss due to overload and system error due to deceleration / acceleration of the spindle motor when updating update information.

Optical recorder, record information, lead section, CLV

Description

Apparatus and method for mode control to record update information in optical recording / playback device

1 is a block diagram schematically showing the configuration of a mode control apparatus for recording update information of an optical recording and reproducing apparatus according to the present invention;

2 is a flowchart showing in detail an operation process of a mode control method when recording update information of an optical recording and reproducing apparatus according to the present invention.

Explanation of symbols on the main parts of the drawings

10: key input unit

20: control unit

30: pickup drive unit

40: spindle motor drive unit

50: optical pickup

The present invention relates to a mode control apparatus and method of an optical recording and reproducing apparatus.

More specifically, after recording data on an optical disc such as a DVD (Digital Versatile Disc), when updating information on the recorded data in a recording information storage section of the disc while repeating a read / write process, A mode control apparatus and method for recording update information of an optical recording / reproducing apparatus for controlling a read section in a CLV (Constant Linear Velocity) mode.

Recently, due to the development of video technology, high-definition television, DVD player to play multi-functional discs, VCR to play video tapes, multi-composite system (combo system) with DVD player and VCR function, and 5.1-channel audio system The development and use of the lamp is being actively performed.

Among them, an optical recorder such as a DVD recorder, which allows a user to watch various video information such as movies, education, hobbies and entertainment, or record data stored in an external device such as a television broadcast or a camcorder, is used in a general home. It is widely used, and its use is also rapidly increasing.

When recording predetermined data using the above-described optical recording / reproducing apparatus, the optical recording / reproducing apparatus finishes writing of the data to be recorded, and then repeats the read / write process for information on the corresponding data, and the recording information storage section of the disc. Will be updated on. At this time, the optical recording and reproducing apparatus completed the recording operation by controlling the spindle in the CLV mode and the write interval CAV (Constant Angular Velocity) mode.

However, the general optical recording and reproducing apparatus as described above causes overloading of the spindle system due to the change of the CLV / CAV mode when recording the update information. Accordingly, an unstable component of the optical recording and reproducing apparatus generally causes data to be recorded. There was a problem that the recorded data is lost if the information about is not updated normally.

An object of the present invention is to control the read interval in the CLV mode when updating the recording information storage section while repeating the read / write process for the information on the data recorded on the optical disc in the recording end process to solve the above problems The present invention provides a mode control apparatus and method for recording update information of an optical recording / reproducing apparatus to prevent an overload of a spindle.

The mode control apparatus for recording update information of the optical recording and reproducing apparatus according to the present invention for achieving the above object generates a key signal for performing various functions including a recording start key signal of the optical recording and reproducing apparatus according to a user's operation. A key input unit; In accordance with the recording start key signal inputted from the key input unit, control is made to record predetermined data on the optical disc.When the recording operation is finished, the CLV is changed without changing the mode until the information on the recorded data is updated in the recording information storage section of the disk. A control unit which reads the information on the currently recorded data in the mode, and writes the read information to the recording information storage section of the optical disc; Controls the transfer and read / write operation of the optical pickup to record predetermined data on the optical disc under the control of the controller, and controls the optical pickup to perform the read / write operation in the CLV mode at the end of the recording operation under the control of the controller. A pickup drive unit; And a spindle motor drive unit controlling the operation of the spindle motor for rotating the optical disc to perform a read / write operation at the end of data recording and recording operation under the control of the controller.

In addition, the mode control method for recording update information of the optical recording and reproducing apparatus according to the present invention, in the control unit of the optical recording and reproducing apparatus, whether the recording start key according to the user's operation for recording predetermined data on the optical disc from the key input unit is inputted. Determining; When a recording start key is input from the key input unit, outputting a control signal from the control unit to the pickup drive unit and the spindle motor drive unit to record the corresponding data on the optical disc in the CLV mode; When all of the data has been recorded on the optical disc and the recording operation has been completed, preparing for updating the information on the recorded data by the controller; Reading information on data recorded in the CLV mode used in the data recording step under the control of the controller; Writing information on the currently recorded data performed in the reading step to the recording information storage section of the optical disc in the CLV mode under the control of the controller; The read / write operation is repeated in the CLV mode without changing the mode until the information on the recorded data is updated in the recording information storage section of the optical disc, and when the read / write for updating the information on the recorded data is finished, the control unit And controlling the display of information on the recorded data and ending the data recording operation.

Hereinafter, a mode control apparatus and method for recording update information of the optical recording and reproducing apparatus of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically showing the configuration of a mode control apparatus for recording update information of an optical recording and reproducing apparatus according to the present invention.

As illustrated, the key input unit 10 generates a key signal for performing various functions including a recording start key signal of the optical recording and reproducing apparatus according to a user's operation, and outputs it to the control unit 20.

The control unit 20 outputs a control signal to the pickup drive unit 30, the spindle motor drive unit 40, and the MPEG processing unit 60 according to a recording start key signal input from the key input unit 20. Control to record data on an optical disc. At this time, the recording of data is controlled to be performed in the CLV mode.

In addition, the control unit 20 reads the information on the currently recorded data without changing the CLV mode performed in the recording operation until the information on the recorded data is updated in the recording information storage section of the disc when the recording operation ends. Then, the read information is controlled to be written to the recording information storage section of the optical disc. In this case, the above-mentioned update information is information used to schematically show the information of the data recorded on the disk to the user, and the recording information storage section in which the information on the recorded data is updated is inner or outer depending on the type of disk. Located in

The pickup drive unit 30 controls the transfer and read / write operations of the optical pickup 50 to record predetermined data on the optical disc under the control of the control unit 20, and at the end of the recording operation, the control of the control unit 20. The optical pickup 50 is controlled to perform a read / write operation in the CLV mode.

The spindle motor drive unit 40 controls the operation of the spindle motor for rotating the optical disc to perform a read / write operation at the end of data recording and recording operation under the control of the controller 20.

The MPEG processing unit 60 performs MPEG processing of data to be recorded on the optical disc under the control of the control unit 20 to record the data through the optical pickup 50.

Next, an embodiment of a mode control method for recording update information of the optical recording and reproducing apparatus according to the present invention configured as described above will be described in detail with reference to FIG.

2 is a flowchart showing in detail an operation process of a mode control method when recording update information of an optical recording and reproducing apparatus according to the present invention.

First, in the control unit 20 of the optical recording and reproducing apparatus, the writing operation speed is selected according to the user's operation, and it is checked whether the recording scheduled data is selected (S10), and the predetermined data is recorded from the key input unit 10 onto the optical disc. In operation S20, it is determined whether a recording start key is input according to a user's operation.

As a result of the determination, when the recording start key is input from the key input unit 10, the control unit 20 outputs a control signal to the pickup drive unit 30 and the spindle motor drive unit 40 to perform data recording in the CLV mode. The data output from the processing unit 60 is recorded on the optical disc (S30).

Thereafter, the controller 20 determines whether the recording operation for the predetermined data selected by the user is terminated (S40), and when the data is all recorded on the optical disc and the recording operation ends, the controller 20 updates the information on the recorded data. Prepare (S50). At this time, the end of the recording operation is a time point when all the recording of the data remaining in the buffer (not shown in the figure) is finished.

In order to update the information of the data recorded on the optical disc, the control unit 20 controls to read the information on the data recorded on the optical disc in the CLV mode used in the above-described data recording step (S30) (S60). In this way, when the information on the data recorded on the optical disc is read without using the CLV mode performed in the recording step S30 without converting to the CAV mode as in the prior art, since the deceleration / acceleration of the spindle does not occur, the CLV does not occur. The change of the / CAV mode does not overload the spindle system, making it possible to stably update and write the optical disc.

Then, the control unit 20 controls to write the information on the currently recorded data read in the above-described reading step S60 to the recording information storage section of the optical disc in the CLV mode (S70).

Now, the controller 20 determines whether the read / write for updating the information on the data recorded on the optical disc is terminated (S80), and the read / write for updating the information on the data recorded on the optical disc is not terminated. If not, the above-described read / write steps S60 and S70 are repeated.

When the read / write for updating the information on the data recorded on the optical disc is ended, the controller 20 controls the display of the information on the recorded data and ends the data recording operation (S90).

Herein, while the present invention has been described with reference to the preferred embodiments, those skilled in the art will variously modify the present invention without departing from the spirit and scope of the invention as set forth in the claims below. And can be changed.

As described above, according to the mode control apparatus and method for recording update information of the optical recording and reproducing apparatus of the present invention, after recording data using the optical recording and reproducing apparatus, the information about the data is stored in the recording termination process. When updating the section, by controlling the lead section in the CLV mode instead of the CAV mode as in the prior art, it is possible to reduce the overload of the optical recording / reproducing apparatus due to spindle deceleration / acceleration, and the disk may be caused by spindle malfunction. There is an effect that can prevent the loss of information as much as possible.

Claims (2)

A key input unit for generating a key signal for performing various functions including a recording start key signal of the optical recording and reproducing apparatus according to a user's operation; Controls to record predetermined data on the optical disc according to the recording start key signal input from the key input unit, and changes the mode until the information on the recorded data is updated in the recording information storage section of the disc at the end of the recording operation. A control unit which reads the information on the currently recorded data in the CLV mode, and then writes the read information to the recording information storage section of the optical disc; The transfer and read / write operation of the optical pickup is controlled to record predetermined data on the optical disc under the control of the controller, and at the end of the recording operation, the read / write operation is performed in the CLV mode under the control of the controller. Pick-up drive unit for controlling the pickup; And Update information of the optical recording and reproducing apparatus, comprising: a spindle motor drive unit controlling an operation of the spindle motor for rotating the optical disc to perform a read / write operation at the end of data recording and recording operation under the control of the controller. Mode control device when recording. Determining, by the control unit of the optical recording / reproducing apparatus, whether a recording start key according to a user's operation for recording predetermined data from the key input unit is input; When a recording start key is input from the key input unit, outputting a control signal from the control unit to the pickup drive unit and the spindle motor drive unit to record the corresponding data on the optical disc in the CLV mode; Preparing to update the information on the recorded data when the data is all recorded on the optical disc and it is time to finish the recording operation; Reading information on the recorded data in the CLV mode used in the data recording step under the control of the controller; Writing information on the currently recorded data performed in the reading step to the recording information storage section of the optical disc in the CLV mode under the control of the controller; And Repeat the read / write operation in the CLV mode without changing the mode until the information on the recorded data is updated in the recording information storage section of the optical disc, and when the read / write for updating the information on the recorded data is finished, And controlling the display of information on the recorded data by the control unit and terminating the data recording operation.

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