KR20030021688A - DVD Player having Hard Disk Drive and the Operation Method - Google Patents

Abstract

PURPOSE: A DVD player having a hard disk drive and a method for driving the same are provided to keep many movie files with one DVD player and easily search for movies to be played. CONSTITUTION: A DVD player includes a main body(K), a hard disk drive(20), a drive rack, a DVD mechanism(32) reading combined DVDs, a CPU controlling to select and output digital contents of the hard disk drive and controlling to select and output digital data of the DVD, a main memory, an operation control unit inputting a control signal to the CPU, a DVD decoder selectively executing operations of receiving the digital contents of the hard disk drive for decoding and outputting and of receiving the digital data of the DVD for decoding and outputting, an image signal encoder connected to the DVD decoder, a D/A converter connected to the DVD decoder, and a power supply part.

Description

DVD player having hard disk drive and the operation method

The present invention relates to a DVD player, and more particularly, to output not only a movie in a DVD but also a digital content in a high-capacity hard disk drive (HDD), so that a user can have a large number of movie files in a DVD player at home or in a car. DVDs with a hard disk drive that allows you to easily find and watch the desired movies among numerous movies stored without having to keep track of the various recording media, and to facilitate the exchange of contents with other media. It's about the player.

Recently developed and commercially available, Digital Versatile Disc (hereinafter referred to as 'DVD') is a next-generation video recording medium that greatly expands the function and capacity of a conventional compact disc (CD), which is the same size as a conventional CD. It is composed of disc shape, but its capacity is 4.7GB to 8.5GB, which is much larger than 680MB of existing CD. These DVDs have the advantage of using MPEG2 image compression technology to not only store movies several tens of times longer than conventional CD-ROMs, but also to obtain movies of good quality comparable to studio master tapes. Accordingly, a DVD player for driving a DVD has been developed and marketed in various forms.

However, even if a DVD has a larger capacity than a CD, because of the limitation of capacity, only 3 or 4 movies can be stored on a single DVD. There was an inconvenience of having to purchase a DVD of a chapter, and a user had to carry a plurality of DVDs in order to select and watch a desired movie while traveling or driving a vehicle. In addition, in order to watch a specific movie desired by a user among dozens of movie DVDs, it is inconvenient to find a desired DVD while looking at all the DVDs possessed.

In addition, some DVD players have been designed to be compatible with CDs having the same shape, but they also have the problems described above due to the limitation of capacity of CDs and DVDs.

Accordingly, the present invention has been made to solve the above problems, by configuring a DVD player to output not only the movie in the DVD but also the digital content in the large capacity hard disk drive (HDD), so that the user can be at home or in the car DVD player can also store a lot of movie files, DVD player with a hard disk drive that makes it easy to find and watch a desired movie out of a number of movies stored without having to go through several recording media The purpose is to provide a method.

In addition, another object of the present invention is to configure a hard disk drive coupled to a DVD player as a removable hard disk drive detachable from a conventional computer, thereby enabling a smooth exchange of content with other media such as a computer. To provide a DVD player and a driving method thereof.

1 is a block diagram showing an embodiment of a DVD player according to the present invention;

2 is a block diagram showing a specific configuration of FIG.

3 is an enlarged perspective view of the infrared remote controller of FIG. 1;

4 is a rear view of the main body for explaining a coupling state of the main body of FIG.

5 is a flowchart showing an embodiment of a method of driving a DVD player according to the present invention;

6 is a view showing an example of a logo screen according to the present invention;

7 illustrates a state in which a file list is displayed according to the present invention.

<Description of Symbols for Major Parts of Drawings>

10: operation control unit, 12: infrared remote control, 14: infrared receiver, 18: peripheral interface, 20: hard disk drive, 22: drive rack, 24: IDE interface, 30: DVD, 32: DVD machine, 34: DVD decoder 36: frame buffer memory, 40: GPS module, 42: GPS interface, 52: MPEG encoder, 60: CPU, 70: video signal encoder, 80: D / A converter, 90: power supply, K: main body, M: monitor , S: Speaker.

In order to achieve the above object, the present invention provides a DVD player configured to output digital data recorded on a DVD through a monitor and a speaker, comprising: a main body; A hard disk drive (HDD) in which a plurality of digital contents are recorded in a file form, respectively; A drive rack configured at one side of the main body such that the hard disk drive is inserted and coupled, and configured to read digital contents stored in the hard disk drive; A DVD mechanism provided at the other side of the main body such that a DVD is inserted and coupled, and reading a digital data stored in the combined DVD; A CPU for controlling / selecting / outputting the digital contents of the hard disk drive coupled to the drive rack according to the input control signal and for controlling / selecting / outputting the digital data in the DVD inserted into the DVD machine; Wow; A main memory in which a program for controlling operation of the CPU is stored; An operation control unit including a plurality of operation buttons and inputting a corresponding control signal to the CPU according to the operation of the operation button; A frame buffer memory, which receives and decodes and outputs digital contents of a hard disk drive output through the CPU according to a control operation of the CPU; and decodes digital data of a DVD read by the DVD machine. A DVD decoder for selectively performing an outputting operation; A video signal encoder for encoding a video signal output from the DVD decoder to be displayed on a monitor; A D / A converter for converting a digital sound signal output from the DVD decoder into an analog sound signal and outputting the same through a speaker; It is characterized in that it comprises a power supply unit.

In addition, the present invention provides a driving method of a DVD player configured to output digital data recorded on a DVD through a monitor and a speaker: a power supply of an operation control unit in a state in which a hard disk drive (HDD) is coupled to a drive rack of a main body; If supplied, the CPU starts to initialize the DVD player; A device selection step of repeatedly determining which device of a hard disk drive (HDD) or a DVD is selected after the start step; An HDD list output step of outputting a file list of digital contents stored in the hard disk drive (HDD) to be displayed on the monitor when it is determined that the hard disk drive (HDD) is selected in the device selection step; An HDD file selecting step of selecting one file among files displayed on the monitor according to an operation of the operation control unit after the HDD list outputting step; And a HDD output step of causing the digital content of the file selected through the HDD file selection step to be output through the monitor and the speaker when the play button of the operation control unit is operated after the HDD file selection step. It is done.

Hereinafter, a preferred embodiment of a DVD player having a hard disk drive and a driving method thereof according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing an embodiment of a DVD player having a hard disk drive according to the present invention, Figure 2 is a block diagram showing a specific configuration of Figure 1, as shown, DVD player according to the present invention , Main body (K), operation control unit (10), hard disk drive (HDD) (20), drive rack (22), DVD machine (32), DVD decoder (34), CPU (60), main memory (65) And a video signal encoder 70, a D / A converter 80, and a power supply unit 90.

The drive rack 22 and the DVD mechanism 32 are installed in the main body K.

The drive rack 22 is a portion configured to insert and couple the hard disk drive 20, and reads the digital content stored in the hard disk drive 20 to the CPU 60 under the control of the CPU 60. It is configured to. The signal transmission between the drive rack 22 and the CPU 60 may be made via the IDE interface 24. The hard disk drive 20 is a large-capacity memory device in which a plurality of digital contents are stored in the form of a file, respectively, and is configured as a removable hard disk drive 20 detachably coupled to a conventional computer. It may be desirable to configure the content for easy input. The digital content stored in the hard disk drive 20 may include not only a video including a movie but also an MP3, a game, an E-book, a phone book, a scheduler, and map data for a GPS.

The DVD Mecha 32 is a part configured on one side of the main body K such that the DVD 30 is inserted and coupled, and is configured to read digital data stored in the combined DVD 30.

The CPU 60 performs a control operation of selectively outputting a designated digital content among the digital contents of the hard disk drive 20 coupled to the drive rack 22 according to a control signal input from the operation control unit 10. Or a control operation for instructing to select / output the digital data in the DVD 30 inserted into the DVD mechanism 32. Such control operation of the CPU 60 is performed by a program stored in the main memory 65 connected to the CPU 60.

The operation control unit 10 is a device for outputting a control signal for controlling the operation to the CPU 60, it comprises a plurality of operation buttons.

The DVD decoder 34 has a frame buffer memory 36 for configuration of an output screen, and in the hard disk drive 20 outputted through the CPU 60 according to the control operation of the CPU 60. The digital content is configured to receive and decode and output digital content, or selectively decode and output digital data of the DVD 30 read by the DVD mechanism 32.

The video signal encoder 70 encodes a video signal output from the DVD decoder 34 so that the video is displayed through the monitor M. When the monitor M is a TV monitor, the TV encoder May be used.

The D / A converter 80 converts the digital sound signal output from the DVD decoder 34 into an analog sound signal and outputs the same to the speaker S so that the corresponding sound is output through the speaker S. FIG. .

The power supply unit 90 is configured to supply power for driving the DVD player according to the present invention.

By the above configuration, in a state in which the hard disk drive 20 storing a plurality of digital contents is coupled to the drive rack 22, and the DVD 30 is coupled to the DVD mechanism 32, the user makes the hard disk. When playing specific digital contents among the digital contents in the drive 20, the operation control unit 10 designates the corresponding digital contents and activates the play button.

Then, the CPU 60 selects and reads the designated digital contents among the digital contents in the hard disk drive 20 through the drive rack 22 and outputs them to the DVD decoder 34. Subsequently, the DVD decoder 34 encodes the designated digital content input from the CPU 60 and then outputs the image signal to the video signal encoder 70 and the D / A converter 80, thereby outputting the image in the designated digital content. The audio signal is output through the monitor M and the speaker S coupled to the video signal encoder 70 and the D / A converter 80, respectively.

In the above configuration, when the user wants to play specific digital data among the digital data in the DVD 30, the operation control unit 10 designates the corresponding digital data and activates the play button. .

Then, the CPU 60 sends a signal to the DVD decoder 34 instructing the output of the designated digital data. Subsequently, the DVD decoder 34 selects / reads the designated digital data among the digital data stored in the DVD 30 through the DVD mechanism 32, receives the encoded digital data, and encodes the image signal encoder 70. And a monitor (M) and a speaker (S) in which video / audio signals in the designated digital data are coupled to the video signal encoder 70 and the D / A converter 80, respectively, by outputting to the D / A converter 80. Will be output through

As described above, the DVD player according to the present invention can easily find and output not only a DVD but also a large number of digital contents combined in a file format on a large-capacity hard disk drive, thereby storing a plurality of DVDs for storing a plurality of digital contents. There is no need to collect / store, and it is possible to easily find and execute the desired digital contents among numerous digital contents. In addition, when the screen for digital content in the hard disk drive 20 is configured, the frame buffer memory 36 of a conventional DVD player is used, so that a separate screen structure for the digital content of the hard disk drive 20 is used. By eliminating the circuit configuration, the manufacturing cost can be reduced.

On the other hand, when reading the digital content specified by the operation in the operation control unit 10 from the hard disk drive 20 in accordance with the present invention, by reading from the hard disk drive 20 at high speed in the CPU 60 After storing in the main memory 65, it may be configured to output to the DVD decoder 34 while drawing from the main memory 65 at a normal speed. In such a configuration, it is possible to shorten the rotation operation time of the hard disk drive 20 to greatly extend the life of the hard disk drive 20.

In addition, the operation controller 10 includes a recording button, couples the MPEG encoder 52 to the CPU 60, and at the same time the MPEG button 52 is activated by the CPU 60 when the recording button is operated. It may be configured to operate to store the digital content input through the hard disk drive 20. In such a configuration, it is possible to supplement the functions of the conventional DVD player, which has not been possible to record, so that it is possible to replace the existing VHS type video system with a high definition DVD player.

Meanwhile, the operation control unit 10 may include an infrared remote controller 12, an infrared receiver 14, and a peripheral device interface 18.

As shown in FIG. 3, the infrared remote controller 12 includes a plurality of buttons for controlling the operation of the CPU 60, that is, number buttons, stored file selection up / down buttons, and volume up / down. A down button, a play button, a stop button, a DVD selection button, an HDD selection button, and the like are provided, and are configured to output an infrared signal corresponding to each button during operation.

In addition, the infrared receiver 14 is a device connected to the main body K, and is configured to receive an infrared signal output by the operation of the infrared remote controller 12, and thus the infrared receiver 14 is input. The received infrared signal is transmitted to the CPU 60 through the peripheral device interface 18 provided in the main body K. The peripheral interface 18 may be configured as a programmable logic device (PLD) which is an ASIC circuit.

As the operation control unit 10, a plurality of operation keys 15 and a key interface 16 directly installed on the outer surface of the main body K may be included, wherein the operation of the operation key 15 is performed by the key interface. It is, of course, preferred that it is configured to be input to the CPU 60 via the 16 and peripheral interface 18.

On the other hand, the CPU 60 is coupled to the GPS interface 42 connected to the GPS module (Global Positioning System Module) 40, and executes the GPS on the hard disk drive 20 By including a map database, the DVD player according to the present invention may be configured to function as a satellite positioning system.

4 is a rear view of the main body for showing a coupling relationship of the main body K according to the present invention. As shown in the drawing, the main body K includes a video / audio signal input / output terminal part K1 and a GPS input terminal part ( K2), the infrared receiver input terminal portion K3, the digital sound output terminal portion K4, and the power input terminal portion K5 may be configured. The digital sound output terminal portion K4 is a terminal portion connected to the digital speaker to enable sound output through the digital speaker and is connected to the sound output terminal of the DVD decoder 34.

As shown in FIG. 5, the driving method of the DVD player having the above configuration includes: a start step (S10), a device selection step (S20), an HDD list output step (S32), a HDD file selection step (S34), It comprises a HDD output step (S36).

First, when power is supplied while the hard disk drive 20 is coupled to the drive rack 22 of the main body K, the CPU 60 is operated in accordance with a program stored in the main memory 65 to operate the DVD player. The initializing step S10 is executed.

While the start step S10 is executed, as shown in FIG. 6 as an example, the logo screen is output through the monitor M and the logo music is output through the speaker S. It would be desirable to soothe the user's freeness and to obtain a certain advertising effect.

That is, at the time of executing the start step S10, the CPU 60 initializes the DVD player and simultaneously displays predetermined logo music / logo screen data stored in the main memory 65 in the DVD decoder 34. ), The logo music / logo picture data is decoded by the DVD decoder 34, and then, through the video signal encoder 70 and the D / A converter 80, through the monitor M and the speaker S. By outputting, the user can watch the logo screen and logo music while the DVD player is initializing.

After the start step (S10), a device selection step (S20) is executed to determine which device of the hard disk drive 20 and the DVD 30 to use. In the device selection step S20, when the user operates the HDD selection button or the DVD selection button in the infrared remote controller 12, the CPU 60 transmits the signal through the infrared receiver 14 and the peripheral device interface 18. Will be input and judged.

In the device selection step (S20), if the HDD selection button is operated, the CPU 60 determines that the use of the hard disk drive 20 is selected, and the file list of the digital content stored in the hard disk drive 20 is determined. After reading the drive rack 22 and receiving the input through the IDE interface 24, the HDD list output step S32 is output to the DVD decoder 34. At this time, the file list in the hard disk drive 20 input to the DVD decoder 34 is transmitted to the monitor M through the video signal encoder 70, so that the hard disk drive 20 as illustrated in FIG. The file list of the digital content stored in) is displayed on the monitor (M).

After the HDD list output step S32, an HDD file selection step S34 for selecting one file to be viewed or executed by the user from among file lists displayed on the monitor M is executed. In the HDD file selection step S34, when a user presses a file up / down button on the infrared remote controller 12 while highlighting an arbitrary file among a plurality of files displayed on the monitor M, an infrared receiver ( 14 and the CPU 60 having received the signal by the peripheral interface 18 may be executed in such a manner as to change the highlight point to its upper or lower file.

When one file is selected by the user through the HDD file selection step S34, and then the play button of the infrared remote controller 12 is operated, the digital content of the selected file is transferred through the monitor M and the speaker S. FIG. The output HDD output step S36 is executed.

That is, when the play button of the infrared remote controller 12 is operated, the signal is input to the CPU 60 through the infrared receiver 14 and the peripheral device interface 18. Then, the CPU 60 receives the digital content of the selected file from the hard disk drive 20 at high speed by using the drive rack 22 and the IDE interface 24, and stores it in the main memory 65. After that, the digital content is read from the main memory 65 at a normal speed and output to the DVD decoder 34. By this operation, the digital content input to the DVD decoder 34 is decoded and then output to the monitor M and the speaker S through the video signal encoder 70 and the D / A converter 80. Among digital contents stored in the hard disk drive 20, the digital contents selected by the user are output as images and / or sound.

On the other hand, if the use of the DVD 30 is selected in the device selection step (S20), the DVD list output step (S42), the DVD file selection step (S44), and the DVD output step (S46) may be sequentially executed. Can be.

That is, when the DVD selection button of the infrared remote controller 12 is operated in the device selection step (S20), the CPU 60 determines that the use of the DVD 30 is selected, and the file list stored in the DVD 30. A control signal for reading and outputting the signal is sent to the DVD decoder 34. In the DVD decoder 34 receiving the control signal, the file list of the digital data stored in the DVD 30 is read through the DVD machine 32 and inputted, and then the monitor M is output through the video signal encoder 70. The DVD list output step (S42) to be transmitted is executed. Accordingly, as illustrated in FIG. 7, the file list of the digital data stored in the DVD 30 is displayed on the monitor M. FIG.

After the DVD list output step S42, a DVD file selection step S44 for selecting one file to be viewed or executed by the user from among the file lists displayed on the monitor M is executed. In the DVD file selection step S44, when a user presses a file up / down button of the infrared remote controller 12 while highlighting an arbitrary file among a plurality of files displayed on the monitor M, the infrared receiver ( 14 and the CPU 60 having received the signal by the peripheral interface 18 may be executed in such a manner as to change the highlight point to its upper or lower file.

When one file is selected by the user through the DVD file selection step S44, and then the play button of the infrared remote controller 12 is operated, the digital data of the selected file is transferred through the monitor M and the speaker S. FIG. The output DVD output step S46 is executed.

That is, when the play button of the infrared remote controller 12 is operated, the signal is input to the CPU 60 through the infrared receiver 14 and the peripheral device interface 18. Then, the CPU 60 sends a command to the DVD decoder 34 to output digital data of the selected file, and the DVD decoder 34 receiving the signal sends the digital data of the selected file to the DVD ( 30 is inputted and decoded by using the DVD machine 32, and then outputted to the monitor M and the speaker S through the video signal encoder 70 and the D / A converter 80. The digital data of the file selected by the user among the digital data stored in) is output as an image and / or sound.

As can be seen by the above embodiments, according to the DVD player having a hard disk drive and a driving method thereof according to the present invention, it is possible to output not only a video in a DVD but also digital contents in a large capacity hard disk drive (HDD). In addition, users can keep a large number of movie files in a home or in a car, and can easily find and watch a desired movie among a number of movies stored without having to go through several recording media. .

In addition, since the hard disk drive provided according to the present invention is configured as a removable hard disk drive detachable from a conventional computer, there is an effect that the content can be easily exchanged through a computer or the like.

In addition, when the DVD player according to the present invention is configured to enable recording by combining the MPEG encoder, it is possible to supplement the functions of the conventional DVD player, which has not been possible to record in the past, thereby replacing the existing VHS video system with high definition DVD. There is an effect that can be replaced by the player.

In addition, when the screen for digital content in the hard disk drive is configured, the frame buffer memory of a conventional DVD player is used, thereby eliminating the need for a separate circuit configuration for screen configuration of the digital content of the hard disk drive. There is a saving effect.

In addition, when equipped with a GPS module and a GPS interface, there is an effect that can also be used as a satellite positioning system (GPS).

Although the DVD player and the driving method thereof having the hard disk drive according to the embodiments of the present invention have been described above, the present invention is not limited thereto and various modifications and applications will be possible to those skilled in the art.

Claims (10)

In a DVD player configured to output digital data recorded on a DVD through a monitor and speakers: A main body; A hard disk drive (HDD) in which a plurality of digital contents are recorded in a file form, respectively; A drive rack configured at one side of the main body such that the hard disk drive is inserted and coupled, and configured to read digital contents stored in the hard disk drive; A DVD mechanism provided at the other side of the main body such that a DVD is inserted and coupled, and reading a digital data stored in the combined DVD; A CPU for controlling / selecting / outputting the digital contents of the hard disk drive coupled to the drive rack according to the input control signal and for controlling / selecting / outputting the digital data in the DVD inserted into the DVD machine; Wow; A main memory in which a program for controlling operation of the CPU is stored; An operation control unit including a plurality of operation buttons and inputting a corresponding control signal to the CPU according to the operation of the operation button; A frame buffer memory, which receives and decodes and outputs digital contents of a hard disk drive output through the CPU according to a control operation of the CPU; and decodes digital data of a DVD read by the DVD machine. A DVD decoder for selectively performing an outputting operation; A video signal encoder for encoding a video signal output from the DVD decoder to be displayed on a monitor; A D / A converter for converting a digital sound signal output from the DVD decoder into an analog sound signal and outputting the same through a speaker; DVD player having a hard disk drive, characterized in that it comprises a power supply. The method of claim 1, The CPU reads digital contents in the hard disk drive selected by the operation control unit first at a high speed and temporarily stores them in the main memory, and then extracts the digital contents from the main memory at a normal speed to the DVD decoder. DVD player having a hard disk drive, characterized in that it is configured to output. The method of claim 1, The operation control unit is provided with a recording button, the CPU is coupled to an MPEG encoder, and when the recording button is activated, the CPU is configured to store digital data input through the MPEG encoder on the hard disk drive. DVD player having a hard disk drive. The method according to claim 1 or 3, The operation control unit, an infrared remote control having a plurality of buttons to control the operation of the CPU; An infrared receiver for receiving a control signal of the infrared remote controller; And a peripheral interface for inputting a control signal input to the infrared receiver to the CPU. The method of claim 1, One side of the main body is provided with a digital sound output terminal, DVD player having a hard disk drive, characterized in that configured to enable the output of sound signals through the digital speaker. The method of claim 1, And a GPS interface connected to a GPS module connected to the CPU, and a digital database stored in the hard disk drive includes a map database for executing the GPS. The method of claim 1, The digital content stored in the hard disk drive includes at least one of a video, an MP3, a game, an E-book, a phone book, a scheduler, a map data for GPS, and an executable file. How to drive a DVD player. A driving method of a DVD player configured to output digital data recorded on a DVD through a monitor and a speaker: A start step of initializing the DVD player when the power is supplied to the operation control unit in a state where the hard disk drive (HDD) is coupled to the drive rack of the main body; A device selection step of repeatedly determining which device of a hard disk drive (HDD) or a DVD is selected after the start step; An HDD list output step of outputting a file list of digital contents stored in the hard disk drive (HDD) to be displayed on the monitor when it is determined that the hard disk drive (HDD) is selected in the device selection step; An HDD file selecting step of selecting one file among files displayed on the monitor according to an operation of the operation control unit after the HDD list outputting step; After the HDD file selection step, when the play button of the operation control unit is operated, HDD output step for outputting the digital content of the file selected by the HDD file selection step through the monitor and the speaker; A drive method of a DVD player having a hard disk drive. The method of claim 8, While the start step is executed, the CPU drives the DVD player having a hard disk drive, wherein the CPU is configured to take out a logo screen and logo music stored in a memory and output the same through a monitor and a speaker. Way. The method of claim 8, After the device selection step, A DVD list outputting step of outputting a file list of digital contents stored in the DVD to be displayed on the monitor when it is determined that the DVD is selected in the device selection step; A DVD file selecting step of selecting one of files displayed on the monitor according to the operation of the operation control unit after the DVD list outputting step; After the DVD file selection step, when the play button of the operation control unit is operated, the DVD output step of outputting the digital data of the file selected through the DVD file selection step through the monitor and the speaker; A drive method of a DVD player having a hard disk drive, characterized in that.