KR20050086250A - Portable multi media player - Google Patents

Abstract

It is a multimedia player that connects various storage devices and external devices provided as expansion devices to provide playback, storage, and management of audio, video, and music data files stored in MP3, MPEG, JPEG, etc. standards. It provides the download and maintenance of various files through the linkage communication of and provides the playback of music and video data files anytime and anywhere by carrying it easily.

LCD display; Connection unit for connecting various expansion units (memory card and HDD), expansion unit interface unit for supporting data interface with expansion unit, RJ-45 terminal for network connection, TCP / IP protocol for Internet / Intranet connection Ethernet controller that supports registration and transmission / reception of data, USB transceiver that supports signal conversion and data processing for USB matching, video input / output terminal for connecting an external video device, and video signal stored in the expansion device. Coding / decoding of video codecs that handle coding / decoding of signals, audio input / output terminals for connecting external audio devices and ear jacks, and audio / music data files stored in expansion devices when playback is performed Audio codecs and play audio, video, picture and music files stored in various ways The key is a program of a media player, and a microprocessor for processing general functions for playing a data file stored in an expansion device, a memory unit for storing an operating program of the microprocessor, driving of a system and operation of a media player. A key input unit for outputting a key signal for the display, and an LCD driver for displaying the image to be reproduced on the LCD display.

Description

Portable multimedia player {PORTABLE MULTI MEDIA PLAYER}

The present invention relates to a multi-media player, and more specifically, to audio, video and music data stored in standards such as MP3, MPEG, JPEG by connecting various storage devices and external devices provided as expansion devices. A portable multimedia player that provides playback, storage, and management of files, download and maintenance of various files through linkage communication with computer systems, and provides convenient playback of music and video data files anytime, anywhere. It is about.

With the advent of the digital era, most computer software contents and multimedia data such as video and audio are stored and provided in digital form, and these data are compressed in the form of JPEG, MPEG, DVD, etc. and various digital media such as CD-DA. Is being provided through.

In addition, with the advent of MP3, a data compression technology, more music data can be stored in a limited memory area.

In order to read and reproduce data stored in the digital medium, a playback apparatus corresponding thereto is required.

For example, a DVD player capable of recovering these signals must be used to play stored audio and video data compressed on a DVD medium, and an MP3 player or MP3 CD player is used to play data stored with MP3 compression technology. .

As described above, a computer system is implemented as a multimedia for playing various media provided by different storage methods, downloading images and pictures through the Internet, and maintaining stored files. There is a limit to the use due to the limitation of the place installed in the space.

In addition, a large amount of space is required to connect a video system such as a digital television to a computer system, an audio device, and the like, and requires a lot of space.

In other words, in order to play a file provided as digital data, there must be a playback device capable of playing the file. Therefore, the economical efficiency is lowered in terms of cost, and it is inconvenient for the user because each playback device must be used in terms of use. There is a problem that provides.

The present invention has been invented to solve the above problems, the purpose of which is to store audio, video and music data files in the standards of MP3, MPEG, JPEG, etc., various connection types (IDE, SD, CF, MMC, USB (IED, MP3 player, etc.) to easily connect the expansion device (HDD, MP3 player, etc.) to provide the playback, file management and download of data files stored in the expansion device, and to divide and share each memory area of a plurality of connected expansion devices In order to provide a portable multimedia player that accommodates a larger memory capacity and provides a player thereof.

That is, the connection of the expansion device having the connection method of IDE, SD, MMC, SM, CF, etc., and the interface and player support for the same are provided, and the interface of USB, IEEE, etc. can be supported.

In addition, by simply connecting the video device and the yin and yang device to the function of the multimedia player and the computer system to access the various content, images, pictures, music files through the Internet and to maintain them.

In addition, the data download between the connected expansion device is provided.

For example, when the HDD is connected to a conventional or dedicated MP3 player as an expansion device, the data file stored in the HDD can be downloaded to the MP player, and the data file stored in the MP3 player can be downloaded to the HDD. It is designed to provide efficiency in the utilization and management of data files between devices.

In particular, the DVD movie file is stored in the HDD, which is a large-capacity memory expansion device, and a portable DVD player function is provided through the connection thereof.

The present invention for realizing the above object and the LCD display; A connection portion for connecting various expansion devices (memory card, HDD and MP3); An expansion unit interface unit supporting a data interface with an expansion unit connected to the connection unit; An RJ-45 terminal for supporting a network connection; An Ethernet controller supporting matching of TCP / IP protocols and transmission / reception data when the Internet / Intranet is connected through the RJ-45 terminal; A USB transceiver supporting signal conversion and data processing for USB matching when an expansion device is connected to the USB connector; A video input / output terminal for connecting an external video device; A video codec which processes coding / decoding of the video signal and codes / decodes the video signal transmitted / received with an external video device when reproducing the video signal stored in the expansion unit connected to the connection unit or the USB connector; An audio input / output terminal for connecting external sound equipment and ear jacks; An audio codec for coding / decoding an input / output for sound when reproduction of an audio or music data file stored in the expansion unit connected to the connection unit or the USB connector is executed; A microprocessor for setting a program of a media player for playing audio, video, picture, and music files stored in various ways, and processing general functions for playing data files stored in the expansion device; A memory unit comprising a flash ROM or a DRAM and storing an operating program of the microprocessor; A key input unit for outputting a key signal for driving the system and operating the media player; It provides a portable multimedia player characterized in that it comprises an LCD driver for displaying the image reproduced by the control of the micro-controller on the LCD display.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As can be seen in FIG. 1, the portable multimedia player according to the present invention includes a connection unit 110, an expansion unit interface unit 120, an RJ-45 terminal 130, an Ethernet controller 140, and a USB connector 150. ), USB transceiver 160, video input / output terminal 170, video codec 180, audio input / output terminal 190, audio codec 200, microcontroller 300, memory unit 310, key input unit 320 ), An LCD driver 330, an LCD display 340, and a power supply 400.

In the above configuration, the connection unit 110 includes various expansion devices, for example, an IDE, SD, CF, MMC memory card, HDD, and a connector for connecting a dedicated or conventional MP3 player, to connect external connection of the corresponding expansion device. Support.

The expansion unit interface unit 120 supports data interfaces with various memory cards, HDDs, and MP3s, which are expansion units connected to the connection unit 110.

RJ-45 terminal 130 is a terminal for connecting a connector for network connection, through which it supports network connections, such as the Internet and intranets.

The Ethernet controller 140 supports the TCP / IP protocol when connecting to the Internet and the intranet through the RJ-45 terminal 130 and supports the overall operation of data matching of various types of information transmitted and received.

When the expansion device is externally connected to the USB connector 150, the USB transceiver 160 converts a signal for USB matching and converts data transmitted and received.

The video input / output terminal 170 is a terminal for connecting a video device such as a television.

The video codec 180 is a video device connected to the video input / output terminal 170, and when the video signal stored in the expansion unit connected to the connection unit 110 or the USB connector 150, the coding / decoding of the video signal to be reproduced To deal with.

In addition, a coding / decoding process of a video signal transmitted / received with a video device connected to the video input / output terminal 170 is performed.

The audio input / output terminal 190 connects an audio device and an ear jack.

The audio codec 200 is a sound device connected to the audio input / output terminal 190 and when the reproduction of the audio or music data file stored in the expansion unit connected to the connection unit 110 or the USB connector 150 is executed for the sound. Coding / decoding I / O.

In addition, the speaker (Spk1, Spk2) for outputting stereo sound to the audio codec 200 is connected and stored in the expansion unit connected to the connection unit 110 or the USB connector 150 in the absence of an external audio device connection When playing audio or music data file, it outputs it.

In addition, the audio codec 200 codes / decodes an audio signal transmitted and received with an external audio device connected to the audio input / output terminal 190.

The microcontroller 300 processes and controls various functions of the operation of the portable multimedia device according to the present invention, and a program of a media player for playing audio, video, picture, music files, etc., which are stored in various ways, for example. For example, MPEG-2, MPEG-4, Divx, and the like are set.

The memory unit 310 is formed of a flash ROM or a DRAM, and stores an operation program of the microprocessor 300.

The key input unit 320 outputs general key signals for driving the system and operating the media player according to a user's selection.

The LCD driver 330 displays an image, such as a video or a picture, reproduced by the control of the microcontroller 300 on the LCD display 340.

The LCD display 340 by applying a predetermined size, preferably 5 inches (Transflective) TFT LCD Wide Vision, to provide a clear screen even under outdoor and strong lighting, Low power consumption provides maximum battery life.

The power supply unit 400 supplies operating power required for each part of the system, and includes a stopper and a battery for converting commercial power into DC.

As illustrated in the accompanying FIG. 2, the present invention includes the portable HDD (A) as an expansion device through the connection unit 110, the MP3 stored in the portable HDD (A), and the like. Provides playback, addition, deletion and file management of audio, video, picture and movie file data.

In addition, the PC (B) is connected through the RJ-45 terminal 130 to provide MP3, audio, video, picture and movie file data download, file maintenance and Internet communication.

In addition, when connecting the system dedicated MP3 player or a conventional MP3 player (C) through the connection unit 110 or the USB connector 150, it is automatically recognized, and provides the download and file maintenance of MP3 music files.

In addition, the video input / output terminal 170 is used to connect a video device such as a television to provide an input / output of a video signal, and to be connected instead of the display through the LCD display 340 when the image data file stored in the expansion device is played. It provides a display through the image device (D).

In addition, the audio device is connected through the audio input / output terminal 190 to provide reproduction of audio and music data files stored in the expansion device.

In addition, a plurality of expansion devices, for example, the HDD (A) and the MP3 player may be connected through the connection unit 110 to download the data file stored in the HDD (A) to the MP3 player, and the data stored in the MP3 player. File is downloaded to HDD (A) to provide convenience and efficiency in managing data files between each expansion device.

The expansion and operation of the multimedia player will be described in more detail as follows.

For example, after connecting the portable HDD to the user's computer and downloading through an Internet connection, backup using another computer, backup from a CD title, etc., the movie file is stored in the portable HDD using various methods, and then the connection unit 110 is connected. Connect to the connection method set in, eg IDE, SD, CF, MMC.

Subsequently, when the play of the movie file stored in the portable HDD is selected using the key input unit 320, the microprocessor 300 reads and plays the data stored in the portable HDD through the expansion unit interface unit 120. Select the program, that is, the player.

When the player and the player are selected, the movie file stored in the portable HDD is read and decoded through the video codec 180, and then the decoded image is displayed on the LCD display 340 by the LCD driver 330.

At the same time, the audio file is decoded through the audio codec 200 and output through the speakers Spk1 and Spk2 to provide a portable multiplayer that matches sound and image.

At this time, if the limitation of the place is provided, but the indoor environment is used, the video device is connected to the video input / output terminal 170, and the audio device is connected to the audio input / output terminal 190. A more vibrant multimedia player is provided.

In addition, when the MP3 player is connected to the USB connector 150 or the connection unit 110, the microcontroller 300 automatically recognizes the connected MP3 player.

Therefore, when the playback of any music file in which the MP3 player is stored is selected from the key input unit 320, the microprocessor 300 selects the player to play the music file and output the same through the speakers Spk1 and Spk2.

Also, when an audio device is connected to the audio input / output terminal 190, the music file to be reproduced through decoding by the audio codec 200 is transmitted to the connected sound device, thereby providing more dynamic music listening.

In addition, when the computer is connected or the network is directly connected through the RJ-45 terminal 130, a search service of various information through the Internet and desired files can be downloaded to the connected portable HDD. Management is performed.

It also provides download of music files to the connected MP3 player via the Internet connection as described above, and deletion and maintenance of stored files are provided.

In addition, when MP3 music files are stored in the portable HDD, they can be stored in the MP3 player, and the music files stored in the MP3 player are deleted and managed.

In addition to the above-described functions, if the language data for learning is stored in the portable HDD, the function of the portable learning apparatus is provided, and various modifications applied thereto are also included in the scope of the present invention.

As described above, the present invention can connect an expansion device having various connection types, and provide a device that can be used regardless of time and place by providing a portable multimedia player that provides reproduction of digital data stored therein. Satisfy the needs of various consumers.

In addition, the management of various data files stored in the expansion device to be connected provides convenience to the operation of the system.

1 is a block diagram illustrating a portable multimedia player according to the present invention.

2 is a block diagram showing an extension of the portable multimedia player according to the present invention.

Claims (8)

LCD display; A connection portion for connecting various expansion devices (memory card, HDD, MP3 player, etc.); An expansion unit interface unit supporting a data interface with an expansion unit connected to the connection unit; An RJ-45 terminal for supporting a network connection; An Ethernet controller supporting matching of TCP / IP protocols and transmission / reception data when the Internet / Intranet is connected through the RJ-45 terminal; A USB transceiver supporting signal conversion and data processing for USB matching when an expansion device is connected to the USB connector; A video input / output terminal for connecting an external video device; A video codec which processes coding / decoding of the video signal and codes / decodes the video signal transmitted / received with an external video device when reproducing the video signal stored in the expansion unit connected to the connection unit or the USB connector; An audio input / output terminal for connecting external sound equipment and ear jacks; An audio codec for coding / decoding an input / output for sound when reproduction of an audio or music data file stored in the expansion unit connected to the connection unit or the USB connector is executed; A microprocessor for setting a program of a media player for playing audio, video, picture, and music files stored in various ways, and processing general functions for playing data files stored in the expansion device; A memory unit comprising a flash ROM or a DRAM and storing an operating program of the microprocessor; A key input unit for outputting a key signal for driving the system and operating the media player; And a LCD driving unit for displaying the image reproduced by the control of the micro controller on the LCD display. The method of claim 1, The connection part is a portable multimedia player comprising an IDE connector, an SD connector, a CF connector, an MMC connector, and an IEEE connector. The method of claim 1, And a speaker for outputting stereo sound to the audio codec to output audio sound. The method of claim 1, A portable multimedia player according to claim 5, wherein the LCD display adopts a 5 inch transflective TFT LCD wide vision. The method of claim 1, The microprocessor is a portable multimedia player, characterized in that the MPEG-2, MPEG-4, Divx player is set. The method of claim 1, The microprocessor provides management of data files between expansion devices by providing mutual downloads of data files stored between the expansion devices when a plurality of expansion devices are connected. The method of claim 1, The microprocessor downloads the data file stored in the HDD to the MP3 player when the HDD and the MP3 player are connected to the expansion device, and downloads the data file stored in the MP3 player to the HDD to provide management of data files between the expansion devices. Features a portable multimedia player. The method of claim 1, The microprocessor sequentially processes data files stored in two expansion devices when a plurality of expansion devices are connected, one of the entire data files is stored in one expansion device, and the remaining data files are stored in the other expansion device. A portable multimedia player, characterized in that for reading the entire data without interruption of play.