KR101175992B1 - Open platform based portable player - Google Patents

Abstract

PURPOSE: An open platform based portable player is provided to supply various application programs with open source codes on a display device. CONSTITUTION: A lock/unlock memory(191) stores a user password to reproduce data stored in a content memory by activating a content memory only when a user password is inputted using a user key. A display recognizing module receives DID(Display Identification Data) from a display device to which an HDMI(High-Definition Multimedia Interface) connector is connected and reads the DID. The display recognizing module provides capability information of the display device to a player. The DID information shows the capability of the display device.

Description

Open platform based portable player

The present invention relates to an open platform-based mobile player having an integrated open software platform (Google's Android, etc.) integrated in an external memory, and more particularly, various application programs whose source codes are disclosed when connected to various display devices. The present invention relates to an open platform-based mobile player capable of providing a display device through a display device to develop the display device into a smart device.

In addition, the present invention can play a variety of content, including digital video and audio on the display device without the need for a separate playback device or cable simply plugged into the display device having an HDMI port, in case of loss of the user's contact information An open platform-based mobile player that can be provided.

The display device is a device that outputs various video and audio and is typically a TV such as LCD, PDP and organic EL. Recently, it is replaced by a digital TV instead of an analog method. Furthermore, it provides various applications in addition to the unique functions of the TV. Smart TVs with computing capabilities are also available.

However, the general digital TV only provides the function of showing the air or cable broadcasting, so it is not possible to provide various applications such as surfing the web, watching educational broadcasts, playing games, and playing videos owned by individual users, and thus increasing users' desires. There was a problem that could not be met.

On the other hand, in the case of smart TVs, it is possible to provide the above applications, but it is economically unreasonable to replace ordinary digital TVs with smart TVs, which are expensive and have no problem. Since the source code is not disclosed, there is a problem that a very small number of applications are provided in comparison with a smartphone.

On the other hand, in recent years, the display device provides an HDMI interface, and HDMI is a method of simultaneously transmitting digital video and audio signals using a single cable, and when both the playback device and the output device have an HDMI port (port). Simply connect one HDMI cable and you can enjoy both video and sound at the same time.

However, in order to play video and audio contents through the HDMI interface as described above, a dedicated playback device such as a computer or a DVD player is absolutely necessary. There is a problem in that the reproduction itself is not possible in the absence of a dedicated playback device, as well as the playback of the playback device after copying to the playback device.

Accordingly, in Patent Publication No. 2006-107109, 'Portable Multimedia Player Applicable to TV and Automobile' and Patent No. 755815 'Digital Data Playback Apparatus and Method of Providing the Same', even if there is no separate dedicated playback device or driver, When plugged into a TV or in-packed into a car audio device, video or audio content can be played.

However, the prior art as described above is formed in a box shape, so large that it is impossible to view it as a mobile device, so that it is impossible to play video and audio contents anytime and anywhere while carrying it in a pocket like a portable memory (for example, a USB memory). There was this.

Also, it can be connected to a display device such as a digital TV or monitor, or an analog signal transmission cable such as composite or separate video, or a DVI (Digital Video Interface) or S / PDIF (Sony Philips Digital). There is a problem that a separate cable for digital signal transmission such as Interface).

In addition, there is a case that it is not necessary to have a separate analog or digital cable as described above, but in order to do this, the player must be built in a display device such as a digital TV or a monitor, so it cannot be viewed as a mobile device. If it is inserted in the In-pack method, it can be used only in a vehicle, but it can not be reproduced at any time on various display devices.

The present invention has been proposed to solve the above-mentioned problems, and is equipped with an open software platform such as Google's Android, etc. in an external memory, so that when connected to various display devices, various application programs whose source codes are disclosed can be found. An open platform-based mobile player that can be provided through a display device is provided.

In addition, the present invention is equipped with a player in a small external memory integrated to open the digital video and audio content on the display device immediately without a separate playback device or cable simply plugged into the display device having an HDMI port We want to provide a platform-based mobile player.

In addition, the present invention by inputting the password at the time of playback and the loss of the password is judged to provide the owner's contact information by video or audio because it is small as described above can carry easily to the owner even if the loss occurs An open platform based mobile player is provided.

To this end, the open platform-based mobile player according to the present invention, which is integrally provided in the removable memory device, has source code disclosed, and provides a function for installing and executing an operating system, middleware and applications. An open software platform; An application memory for storing an application program created using the open source code and providing the application program to the open software platform when the application program is executed; A data communication unit in charge of data transmission to download the application program from a market (provider server) providing the application program; And an HDMI (High-Definition Multimedia Interface) connector connected to an external input terminal of the display device and transmitting the video and audio data of the running application program to the display device.

In this case, the data communication unit may receive a user command from a wireless keyboard or a wireless mouse and execute the application program on the display device.

A content memory for storing video and audio data; A reproduction resource memory for storing various reproduction programs according to formats of the video and audio data; A USB interface for receiving image and audio data to be stored in the content memory or a playback program to be stored in the playback resource memory from an external terminal; Controlled by the open software platform, the playback program provided by the playback resource memory is loaded and played according to the format of the video and audio data selected for playback, and the reproduced digital video and audio signals are reproduced by the HDMI. A player outputting the connector; And a user key for transmitting various commands for reproducing the video and audio data.

The apparatus may further include an external memory card interface into which an external memory card is inserted, to store the application program or the video and audio data in the external memory card.

In addition, the data communication unit preferably transmits and receives video and audio data to be stored in the external memory card or content memory or a playback program to be stored in the playback resource memory.

The apparatus may further include a lock / unlock memory for storing a user password, so that the content memory is activated only when the stored password is input to enable reproduction of data stored in the content memory.

In addition, the display recognition module that receives and reads the Display Identification Data (DID) information indicating the capabilities of the display device from the display device to which the HDMI connector is connected, and provides the read capability information of the display device to the player It is preferable to further include.

According to the open platform-based mobile player according to the present invention as described above, it is possible to provide a variety of applications through which the source code is disclosed through the display device to develop the display device into a smart device or an application that can be provided by the smart device. By further increasing the device expandability.

In addition, according to the present invention, the external memory is conveniently equipped with a player so that the user can immediately play digital video and audio contents on the display device without a separate playback device or cable by simply plugging it into a display device having an HDMI port. Because it is convenient to use anytime, anywhere.

In addition, according to the present invention, by inputting the password during playback, and if the password error is determined to be lost and provides the owner's contact information by video or audio, because it is small as described above, it can be easily found to the owner even if the loss occurs Will be.

1 illustrates an example of using an open platform-based mobile player according to the present invention.
2 is a plan view showing an open platform-based mobile player according to the present invention.
3 is an open platform-based mobile player use state diagram according to the first embodiment of the present invention.
4 is a block diagram showing an open platform-based mobile player according to a second embodiment of the present invention.
5 is a block diagram showing an open platform-based mobile player according to a third embodiment of the present invention.
6 is a block diagram showing an open platform-based mobile player according to a fourth embodiment of the present invention.
7 is a diagram illustrating a play state of an open platform-based mobile player according to a fourth embodiment of the present invention.

Hereinafter, an open platform-based mobile player according to a first embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First, as shown in FIG. 1, the open platform-based mobile player 100 according to the present invention is a small and portable device. For example, the open platform-based mobile player 100 is plugged into an HDMI input port 11 provided at the rear of the digital TV 10. Setting 10) as an HDMI external input enables various applications (also called 'apps' or 'apps') running on the open platform-based mobile player 100 to be provided through the digital TV 10.

That is, when the user sets the setting of the digital TV 10 to the HDMI external input using the remote controller 42, the digital TV 10 simply displays an application input through the HDMI input port 11 on the screen. It functions as a display device. On the other hand, the open platform-based mobile player 100 executes various applications like a smart phone (except a phone function and a screen display function) and functions as a device for providing the data to the digital TV 10.

Therefore, when the open platform-based mobile player 100 of the present invention is connected to the general digital TV 10, the general digital TV 10 can be developed (or transformed) into a smart TV. Discarding digital TV 10 eliminates the need to purchase expensive smart TVs. In addition, since the source code is not disclosed, a variety of applications can be provided through a conventional smart TV (not shown) which provided only a limited application.

To this end, as shown in Figures 2 and 3, the open platform-based mobile player 100 according to the present invention is provided in the body made of a bar shape and small in size, such as a commercial USB memory that can be carried by the user An open software platform 190, an application memory 190a, a data communication unit 180 and 130, and a high-definition multimedia interface (HDMI) connector 140.

The open software platform 190 is similar to that used in smartphones such as Google ™ Android and Apple ™ iOS3 (for 3G) / iOS4 (for 4G). Except for the function of dial pad display or acknowledgment, it provides the function to install and execute various applications that can be provided in the current smartphone.

The open software platform 190 is a source code (source code) is open, providing a bundle of functions to install and run the operating system, middleware and applications, a powerful operating system (OS), a comprehensive library set, rich multimedia Provide user interface and application.

In addition, when mounted on the device of the present invention, it is possible to use the Internet, messenger, etc., as well as interoperability that can be applied to various information home appliances as well as smart phones, it is applicable to the digital TV (10), as a fully open platform All of the 'source code' is open so anyone can create an application.

Therefore, by installing the open software platform 190 in the open platform-based mobile player 100 according to the present invention, web surfing, messenger, social network service (SNS), educational broadcasting viewing, games and video playback functions owned by users Etc., and various such applications can be provided through the digital TV 10.

The application memory 190a stores an application program created using the source code of the open (or open) open software platform 190. The application memory 190a may execute the various applications as described above in the open software platform 190. Allows the application to be loaded.

Accordingly, as shown in FIG. 4, the wireless access point (AP) is connected to the Wi-Fi method through the data communication unit 180 and 130 as an example, and the application is free or free through the wireless access point (AP). Access to the market (M, provider server: app server 1 / app server 2 / app server 3, etc.) to provide the application to download and store, and to install and run it on the open software platform 190.

In FIG. 3, the application memory 190a is embedded in the body, but when the SD memory card 30 is connected through the external memory card interface 170, an application program used for executing an application may be an SD memory card ( 30, the application memory 190a of the present invention should be regarded as a 'recording means for storing an application program'.

As described above, the data communication units 180 and 130 are responsible for data transmission to download the application program from the market M that provides the application program.

When connecting to a wireless access point (AP) for downloading an application as shown in FIG. 4, the wireless network module 180 may be used, and the application stored in the personal PC may be copied or imported to the Internet through the personal PC. When connecting, the USB interface 130 of FIG. 3 may be used. Of course, when connecting directly to the Internet, RS-232C cable terminal (not shown) may be used.

That is, the data communication unit 180 or 130 of the present invention includes various types regardless of the classification of wired or wireless, the short-range communication or the long-distance communication, or the communication protocol, if data transmission and reception are possible. .

However, when the wireless network module 180 capable of short-range wireless communication is used as the data communication unit 180 and 130 as described above, in addition to the function of downloading an application, a command is input from a wireless keyboard or a wireless mouse (not shown). An application (ie, an application) may be executed and manipulated in the digital TV 10, thereby improving convenience of use.

The high-definition multimedia interface (HDMI) connector 140 is connected to an external input terminal of a display device, that is, the digital TV 10, and transmits video and audio data of the running application program to the digital TV 10. In the digital TV 10 receiving data, various applications can be enjoyed.

The HDMI connector 140 transmits a digital video signal and an audio signal simultaneously by providing a function such as a combination of a video DVI (Digital Visual Interface) cable and an audio S / PDIF (Sony Philips Digital Interface) cable. As it is a digital method without deterioration of quality, it provides an application with excellent image quality and sound quality.

In particular, in the present invention, the HDMI connector 140 is formed to protrude to one side of the body, so in the prior art, even if the analog signal or a digital signal transmission having a deterioration in quality, respectively, a DVI cable for video and an S / PDIF cable for audio, respectively. It also eliminates the need for a separate cable itself compared to what had to be provided.

Hereinafter, an open platform-based mobile player according to a second embodiment of the present invention will be described in detail with reference to the accompanying drawings.

However, hereinafter, the video and audio will be described as a representative example of the content reproduced through the present invention, but the various documents (jpeg, ppt, doc, hwp, etc.) that can be reproduced through the viewer are also included in the video and audio. It can be used for presentations as well as digital books provided through e-books.

As shown in FIG. 1, the open platform-based mobile player 100 according to the present invention plugs into an HDMI input port 11 provided at the rear of the digital TV 10 and sets the digital TV 10 as an HDMI external input. Simply by doing so, it is possible to immediately play a variety of video and / or audio content stored in the open platform-based mobile player (100).

Of course, since the digital TV 10 is only an example of a display device, it is equipped with an HDMI input port such as a computer monitor, a notebook computer, a tablet PC, and a projector used for a presentation, and has a video or audio signal. As long as it can output video and audio, it can be applied to various other display devices (meaning that it includes audio output such as a speaker or a headset).

Therefore, the present invention has a very small size as a conventional USB memory, so that the user can basically use as a removable memory that can be carried by the user at all times, as well as inserting video and audio contents into various display devices anytime, anywhere. It can also be used as a playback device.

To this end, as shown in FIGS. 2 and 3, the open platform-based mobile player 100 according to the present invention includes a content memory 110 and a reproduction resource memory 120 provided in a bar-shaped body. .

In addition, the USB interface 130 provided at one end of the body, the HDMI connector 140 protruding on the other side of the body and various user keys 160 exposed to the outside of the body to be touched by the user It includes.

In addition, an open software platform 190 provided inside the body and responsible for installing and executing a player 150 for playing video and audio contents and various applications described above, as well as for playing video contents. ).

In addition, it is provided on the side of the body to execute a near-field wireless communication in the external memory card interface 170 and external devices such as SD memory card 30, etc. and various external devices and the Wi-Fi Direct (Wi-Fi Direct) method, etc. A wireless network module 180 is included.

In this case, the content memory 110 is a memory basically provided in the content memory 110 and stores video and audio data so as to provide content to be reproduced through a display device (ie, a digital TV).

Video data includes still images and videos taken by digital cameras, digital camcorders, smart phones, etc., as well as other images and e-book data, and audio data includes high-quality multi-channel audio and sound data. Include. In addition, various documents (jpeg, ppt, doc, hwp, etc.) that can be reproduced through the viewer are also included, so that the presentation can be performed.

The content memory 110 is connected to an external terminal (for example, a computer, etc.) through a data communication unit 180 or 130 such as a USB interface 130 or a wireless network module 180, and is stored in the external terminal. And receives and stores voice data.

The playback resource memory 120 stores various playback programs according to the format of the video and audio data, and the playback codec includes video codecs such as MPEG, WMV, Divx, AVI, H.264 Up to Full HD (1080p), and the like. (codec) and audio codecs such as MP3, AAC and AC-3, as well as image codecs such as JPEG, BMP and PNG. In addition, the present invention includes various viewers capable of viewing various document programs (jpeg, ppt, doc, hwp, etc.), thereby allowing presentation.

In addition, various playback programs, including various Graphic User Interface (GUI) programs used to play video or audio, are stored, and the playback program is also connected to an external terminal through the USB interface 130 or the wireless network module 180. It can be provided by wire or wireless.

The USB interface 130 is used for connection with an external terminal (eg, computer) 20 to receive video and audio data to be stored in the content memory 110 or a playback program to be stored in the playback resource memory 120.

However, various types may be applied as the USB interface 130, but in consideration of the small size of the present invention, it is preferable to use a Mini-B type USB 2.0 interface if possible. This USB interface 130 is also used for power supply as is known.

As described above, the HDMI connector 140 simultaneously transmits a digital video signal and an audio signal, so that the HDMI connector 140 can provide content having excellent image quality and sound quality. In addition, the HDMI connector 140 is formed to protrude to one side of the body, so in the prior art, even if transmitting analog signals or digital signals that have a deterioration in quality, a DVI cable for video and an S / PDIF cable for audio should be provided respectively. It does not have to be provided with a separate cable itself.

The player 150 reproduces the video and audio data stored in the content memory 110 using a playback resource program (decoding program and GUI, etc.) stored in the playback resource memory 120, and reproduces the digital video and audio data. The signal is output to the HDMI connector 140.

That is, when the user selects the video and audio content to be played through the user key 160, the player 150 confirms the format of the selected video and audio content, and also various formats stored in the playback resource memory 120. Call and play a program that matches the format.

The playback program will typically be a decoding program, where the player 150 acts as a decoder. For example, when the video and audio content selected by the content memory 110 is a * .AVI file, the * .AVI decoding file is loaded from the playback resource memory 120 and played.

In addition, when video content is selected from among various contents stored in the content memory 110, a graphic user interface (GUI) suitable for video playback is provided through a display device (eg, TV) 10. If the content is audio, e-book or document file, provide a graphic user interface for each.

The user key 160 transmits various commands for reproducing video and audio data. The various commands include a command for selecting one content from a list of contents provided through a graphical user interface, and playing or stopping the selected content. Command, etc.

As shown in FIG. 2, the user key 160 includes a play / pause button 161, an ESC button 162, a select button 163, an up move button 164, a down move button 165, and the like. In addition, each of these buttons may be used as a push button as shown, but other touch pad methods such as pressure or capacitive may be used.

The open software platform 190 may include data input / output of the content memory 110 or the reproduction resource memory 120, a hot plug of the USB interface 130 or the HDMI connector 140, and a player 150. ) And overall process for the playback of video and audio data, including the transfer of commands through the user key 160.

On the other hand, there is a limit to the capacity of the content memory 110 described above, the present invention is difficult to increase the number of the content memory 110, considering that the present invention is made compact so that the user can carry anywhere, anytime, the memory An external memory card interface 170 is further included to expand the capacity.

Therefore, when the external memory card such as the SD memory card 30 is inserted into the external memory card interface 170, the video and audio contents stored in the external memory card can also be played back through the player 150. At this time, the content stored in the external memory card also uses the playback program stored in the playback resource memory 120 after checking the format.

Of course, when the SD memory card 30 is mounted on the external memory card interface 170, the storage capacity of various applications executed by the open software platform 190 may be increased as described above.

In addition, the present invention includes a wireless network module 180 for short-range wireless communication with another terminal 40 in a close position, the video and audio data to be stored in the content memory 110 or the playback resource memory 120 Allows transmission and reception of a playback program to be stored. Since the wireless network module 180 may receive a command by communicating with a wireless keyboard or a wireless mouse, the wireless network module 180 may also have convenient functions for executing various applications (eg, game operations).

Wi-Fi Direct may be used for short-range wireless communication. Wi-Fi Direct is a communication protocol for transferring data between devices through Wi-Fi, and has a wider transmission range and faster data transmission rate than Bluetooth or DLNA. This allows the content or the playback program to be provided. In addition to the Wi-Fi Direct method, a Bluetooth (BT) method may also be used.

As shown in FIG. 3, the terminal 40 capable of short-range communication through the wireless network module includes a computer 41, a remote controller 42, a headset 43, a wireless keyboard 44, a smart phone 45, and the like. There is this. In particular, in the case of the remote control 42, the command may be transmitted instead of the user key 160, and in the case of the headset 43, instead of outputting a voice through the HDMI connector 140, the headset 43 may output the song directly. The wireless keyboard 44 can be used for command delivery or editing of text files in the content.

Hereinafter, an open platform-based mobile player according to a third embodiment of the present invention will be described with reference to FIG. 5.

The third embodiment of the present invention differs in that it further includes a lock / unlock memory 191 as compared to the second embodiment of the present invention described with reference to FIG.

That is, the open platform-based mobile player 100 according to the third embodiment of the present invention includes the content memory 110, the playback resource memory 120, the USB interface 130, the HDMI connector 140, the player 150, User key 160, external memory card interface 170, wireless network module 180, and open software platform 190, and the benefits are as described above.

However, the third embodiment of the present invention further includes a lock / release memory 191 for storing a user password, such that playback is performed through the player 150 only when the correct password is input through the user key 160. do. The password input window is provided through a graphical user interface displayed on the display device.

That is, the present invention has the advantage that the owner can always carry it with the display device anytime and anywhere while using it, but on the contrary, since the risk of loss is large, the password setting function is added.

Further, in the present invention, the open software platform 190 determines that the password stored in the lock / unlock memory 191 and the password input through the user key 160 do not correspond to the owner, and determine that they are not HDMI connectors. By controlling the output of the owner's contact via (140), for example, "owner's phone number is 010-XXXX-XXX." Make it appear.

Therefore, even if the owner loses the open platform-based mobile player 100 of the present invention, the learner can easily contact the lost person (ie, the owner) and return it. However, the number of times the password can be input is not particularly limited, and the display time of the above phrase may also be selected when the number of password mismatches is one or more times.

However, if the owner's phone number is exposed, personal information may be exposed, so displaying the owner's phone number for the purpose of recovering lost items is only possible if the owner has previously set the information to be allowed. It would be desirable to enable this.

Hereinafter, an open platform-based mobile player according to a fourth embodiment of the present invention will be described with reference to FIG. 6.

The fourth embodiment of the present invention differs in that it further includes a display recognition module 192 as compared with the second embodiment of the present invention described with reference to FIG. 3.

That is, the open platform-based mobile player according to the fourth embodiment of the present invention also has a content memory 110, a playback resource memory 120, a USB interface 130, an HDMI connector 140, a player 150, and a user key ( 160, an external memory card interface 170, a wireless network module 180, and an open software platform 190.

In addition, the display apparatus 10 to which the HDMI connector 140 is connected receives and reads Display ID Data (DID) (or EDID: Extented DID) information indicating the display device's capabilities. It further includes a display recognition module 192 for providing the player 150 with the capability information of the displayed display device.

The DID header value includes various information including the resolution provided by the display apparatus. Since the information is provided to an external device connected to the display apparatus, the display ID module 192 may further include the display recognition module 192. Decode and play back video and audio signals.

In addition, if necessary, as shown in FIG. 7, only a part of the screen is reproduced (D), so that screen division is possible like a picture in picture (PIP) or a multi-window display.

The specific embodiments of the present invention have been described above. It is to be understood, however, that the scope and spirit of the present invention is not limited to these specific embodiments, and that various modifications and changes may be made without departing from the spirit of the present invention. If you have, you will understand.

Therefore, it should be understood that the above-described embodiments are provided so that those skilled in the art can fully understand the scope of the present invention. Therefore, it should be understood that the embodiments are to be considered in all respects as illustrative and not restrictive, The invention is only defined by the scope of the claims.

110: content memory 120: playback resource memory
130: USB interface 140: HDMI connector
150: player 160: user key
170: external memory card interface 180: wireless network module
190: open software platform 190a: application memory
191: lock / unlock interface 192: display recognition module
10: computer 20: digital TV
30: SD memory card 40: external terminal

Claims (7)

An open software platform integrated with the removable memory device, the source code being disclosed and providing a function of installing and executing an operating system, middleware and applications;
An application memory for storing an application program created using the open source code and providing the application program to the open software platform when the application program is executed;
A data communication unit in charge of data transmission to download the application program from a market (supplier server) providing the application program;
A high-definition multimedia interface (HDMI) connector connected to an external input terminal of a display device and transmitting image and audio data of the running application program to the display device;
A content memory for storing video and audio data;
A reproduction resource memory for storing various reproduction programs according to formats of the video and audio data;
A USB interface for receiving image and audio data to be stored in the content memory or a playback program to be stored in the playback resource memory from an external terminal;
Controlled by the open software platform, the playback program provided by the playback resource memory is loaded and played according to the format of the video and audio data selected for playback, and the reproduced digital video and audio signals are reproduced by the HDMI. A player outputting the connector;
A user key for transmitting various commands for reproducing the video and audio data;
A lock / unlock memory for storing the user password so that the content memory is activated only when the user password is input through the user key to enable reproduction of data stored in the content memory; And
A display recognition module that receives and reads Display Identification Data (DID) information indicating the capability of the display device from a display device to which the HDMI connector is connected, and provides the read capability information of the display device to the player; Include,
The open software platform, if the owner has set to allow the disclosure of information, if the user password stored in the lock / unlock memory and the password entered through the user key does not match the contact of the owner via the HDMI connector To output
The open software platform uses the capability information of the display device provided through the display recognition module to play the image data only on a part of the screen of the display device (D) or PIP (Picture in Picture). An open platform-based mobile player that allows screen splitting like a display. The method of claim 1,
And a user command received from a wireless keyboard or a wireless mouse in the data communication unit to execute the application program on the display device. delete The method of claim 1,
And an external memory card interface into which an external memory card is inserted, wherein the application program or the video and audio data are stored in the external memory card. The method of claim 4, wherein
The data communication unit is an open platform-based mobile player, characterized in that for transmitting and receiving video and audio data to be stored in the external memory card or content memory or the playback program to be stored in the playback resource memory. delete delete

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