KR20060098601A - Pda and dmb tv apparatus based on that - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a personal digital assistant (PDA) and a DMB TV device based thereon.

2. The technical problem to be solved by the invention

An object of the present invention is to provide a personal digital assistant (PDA) and a DMB TV apparatus based thereon that interpolate the resolution and the number of frames of the DMB to the resolution and the number of frames of a large display module through an image processing program. has exist.

3. Summary of Solution to Invention

The present invention provides a DMB TV apparatus, comprising: a DMB tuner and an interface unit for receiving DMB data through a DMB antenna; A central processing unit for decoding DMB data received through the DMB tuner and an interface unit and supporting a personal mobile terminal platform; A memory unit for storing various software and data; An audio signal processor for processing an audio signal; A graphic signal processor configured to generate an image displayed on a large display module in association with the central processor, and to interpolate a resolution and a frame number of the DMB to a resolution and a frame number of the large display module through an image processing program; User interfacing means for wirelessly providing a user interface; A driver for connecting the graphic signal processor and the large display module; An audio signal amplifier connected to the audio signal processor to drive a large speaker; And output means for outputting DMB data by using the large speaker and the large display module.

4. Important uses of the invention

The present invention is used in DMB TV devices and the like.

DMB TV device, personal digital assistant (PDA), graphics signal processor, large display module, resolution correction, frame rate correction

Description

Personal handheld terminal and DMB TV apparatus based on it {PDA and DMB TV apparatus based on that}

1 is a detailed configuration diagram of an embodiment of a personal digital assistant (PDA) and a DMB TV device based thereon according to the present invention.

* Explanation of symbols for the main parts of the drawings

110: central processing unit (CPU) 111: camera unit

112: DMB tuner and interface unit 113: DMB antenna

114: memory unit 115: audio signal processing unit

116: signal amplifier 117: speaker

118: graphics signal processor 119: driver

120: infrared sensor unit 121: remote control

122: operation interface unit 123: switch and display LED

124: wireless LAN connection 125: wireless LAN module

126: wireless LAN antenna 127: expansion socket portion

128: mobile phone connection unit 129: mobile phone module

130: mobile phone antenna 131: Bluetooth connection

132: Bluetooth module 133: Bluetooth antenna

134: power supply 135: display module

The present invention relates to a personal digital assistant (PDA) and a DMB TV device based thereon, and more particularly, to a personal digital assistant (PDA) that can be easily extended to a TV (TV) device having a simple over-the-air broadcasting viewing function. Designed based on the platform, personal digital assistants (PDAs) with built-in DMB circuits and related software for viewing DMB (Digital Multimedia Broadcasting, hereinafter referred to as "DMA"), which is being broadcasted in 2005, It relates to a DMB TV (TV) device.

In general, since TV is mainly focused on watching TV, various tuner circuits are built in accordance with broadcasting specifications, and many signal processing parts are installed to improve image quality. However, TVs have personal computing devices similar to those of computers. Products developed based on this are not known yet. Recently, TVs are equipped with computers, and so-called IP TVs are being developed in conjunction with next-generation high-speed communication networks such as BcN. However, there is no known technology for supporting DMB broadcasting instead of current analog / digital broadcasting by using a personal mobile terminal function. .

In addition, the computer screen can be viewed through TV by connecting the computer input / output terminal of the TV (projector), but most of the desktop type used in homes are difficult to connect and use. Do not use.

Recently, various broadcasting services have been paid for by channels and contents, and a payment restriction system (CAS) is used as a means of payment. Meanwhile, in the case of existing satellite broadcasting (e.g., Skylife) and cable broadcasting, the monthly broadcasting fee is determined according to the monthly fee, and in the case of paid content paid per flight, payment is made through a telephone / LAN installed at the back of the receiver. Since TV should basically connect satellite / cable antenna and telephone / LAN line, it is inconvenient that installation is difficult and space is limited.

In the case of DMB, various standards have been introduced, but satellite DMB, which is commercially available in 2005, has screen resolution of 320x240, 15 frames per second, 11 channels of video, 25 channels of audio, and 3 channels of data. The screen resolution is 352x288, 15 frames per second, 6 channels of video, 12 channels of audio, and 1 channel of data.The resolution of large PDPs and LCD panels ranges from at least 640x480 to 1920x1080 for HDTVs, so DMB can be used for large PDPs and LCDs. There is a problem that it is impossible to display using a panel.

The present invention has been proposed to solve the above problems, and is based on a personal digital assistant (PDA) and interpolation of the resolution and frame number of the DMB to the resolution and frame number of the large display module through an image processing program The purpose is to provide a DMB TV device.

In addition, the present invention is connected to a large display panel instead of a small liquid crystal to the platform of the personal mobile terminal (CPU + audio + video + memory + various input and output interface) through a separate driving circuit, and connected to the DMB receiving circuit, additionally WLAN , Mobile phone module and Bluetooth module, and integrated software to operate the DMB broadcasting resolution and frame rate lower than the resolution and frame rate of large display panel. Another object is to provide a personal digital assistant (PDA) having a calibrating software or hardware and a DMB TV device based thereon.

In addition, the present invention can be used to operate various functions of a personal digital assistant (PDA) as well as broadcast by using a remote control through a large TV screen, and provides a variety of voice, text, data services through a wireless LAN and a mobile phone communication network with existing TV devices. Can be used by directly accessing the network (in the case of the existing interactive TV device, the text message is connected to the mobile phone network through the wired telephone network), and the payment of the fee for using the paid content service can be made immediately through the mobile telephone network. Another purpose is to provide a personal digital assistant (PDA) and a DMB TV device based thereon.

In addition, the present invention, unlike the present, is not a simple one-way broadcast viewing device, but connected with a high-speed communication network to select on-line, anytime, anywhere online without buying on-demand content (video, audio, etc.) offline As it is developed to the standard, it is another object to provide a personal digital assistant (PDA) and a DMB TV device based thereon, which provides such a network in particular, not wirelessly.

Further objects and advantages of the present invention can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. Also, it will be readily appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

According to the present invention, there is provided a DMB TV apparatus comprising: a DMB tuner and an interface unit for receiving DMB data through a DMB antenna; A central processing unit for decoding DMB data received through the DMB tuner and an interface unit and supporting a personal mobile terminal platform; A memory unit for storing various software and data; An audio signal processor for processing an audio signal; A graphic signal processor configured to generate an image displayed on a large display module in association with the central processor, and to interpolate a resolution and a frame number of the DMB to a resolution and a frame number of the large display module through an image processing program; User interfacing means for wirelessly providing a user interface; A driver for connecting the graphic signal processor and the large display module; An audio signal amplifier connected to the audio signal processor to drive a large speaker; And output means for outputting DMB data by using the large speaker and the large display module.

The DMB TV apparatus may further include: a WLAN module configured to form a communication path with an access point (AP) around the WLAN through a WLAN antenna to communicate with each other in a WLAN; And a wireless LAN connection unit for controlling the wireless LAN module.

The DMB TV apparatus may further include a mobile telephone module for connecting to a mobile communication network through a mobile communication antenna; And a mobile telephone connection unit having a communication port, a voice port, and control ports for controlling the mobile telephone module.

On the other hand, the personal portable terminal according to the present invention, in the personal portable terminal, a DMB tuner and interface unit for receiving DMB data through the DMB antenna; A central processing unit for decoding DMB data received through the DMB tuner and an interface unit and supporting a personal mobile terminal platform; A memory unit for storing various software and data; An audio signal processor for processing an audio signal; Generate an image for display on an external large display module by interworking with the central processing unit, and interpolate the resolution and frame number of the DMB to the resolution and frame number of the large display module through an image processing program. Graphic signal processor for; And user interfacing means for wirelessly providing a user interface.

The personal portable terminal may further include: a driver configured to connect the graphic signal processor and the external large display module; And an audio signal amplifier connected to the audio signal processor to drive an external large speaker.

In addition, the personal portable terminal, a wireless LAN module for forming a communication path with a neighboring access point (AP) through a wireless LAN antenna for mutual communication in a wireless LAN method; And a wireless LAN connection unit for controlling the wireless LAN module.

In addition, the personal portable terminal, the mobile phone module for connecting to the mobile communication network through a mobile communication antenna; And a mobile telephone connection unit having a communication port, a voice port, and control ports for controlling the mobile telephone module.

The present invention can be configured to support not only one-sided DMB broadcasting but also wireless LAN like PDA phone by configuring TV device based on personal mobile terminal, and connected with high-speed network access point (AP) around the Services (web surfing, video, games, music streaming, VoIP, etc.) have the advantage of being available through the TV device at the user's choice.

In addition, since the present invention is based on a personal mobile terminal, it can be equipped with a mobile phone module like a PDA phone, while basically using various functions of the mobile phone, in the case of paying broadcasts, payment and viewing approval requests are made through the mobile phone module. In addition, it can be implemented to allow viewing of the broadcast in the receiver restriction system by downloading the approval code of the broadcaster.

As described above, the DMB TV device of the present invention uses a mobile phone module to pay a broadcast content fee, and uses a voice phone provided by a mobile phone service provider through a TV device (substitutes a home wired phone) as well as a text message and a multi-mail message. , Wireless portal (Nate, Jun, Pim, Magic & etc. in Korea) can be enjoyed at home through big screen TV device, and has various communication means (mobile phone, wireless LAN, broadcasting, etc.) Can act as a hub for the system.

In the present invention, a technique for interpolating the resolution and the number of frames of the DMB to the resolution and the number of frames of a large display module through an image processing program in a personal mobile terminal is applied.

In addition, since the DMB TV device of the present invention only needs to be supplied with power, unlike conventional wired and satellite TVs, there is no need to connect an antenna, a set-top box (receiver), a telephone line, a LAN line, and so the installation site restriction and cable connection work are separately. It offers the advantage of not having to pay for cable / satellite broadcast installations and the monthly fee without paying the monthly fee.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, whereby those skilled in the art may easily implement the technical idea of the present invention. There will be. In addition, in describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a detailed configuration diagram of an embodiment of a personal digital assistant (PDA) and a DMB TV device based thereon according to the present invention.

As shown in FIG. 1, a DMB TV device based on a personal digital assistant (PDA) according to the present invention includes a DMB tuner and an interface unit 112 for receiving DMB data through a DMB antenna 113. The central processing unit 110 for decoding the DMB data received through the DMB tuner and the interface unit 112, and executing the operating software (OS) for supporting the personal mobile terminal platform, storing various software and executing the corresponding software. And an audio signal processing unit 115 having a memory unit 114 for storing data therein, a codec for processing an audio signal, and a large display module 135 in conjunction with the central processing unit 110. Create an image displayed on the screen, and correct the resolution and the number of frames of the DMB according to the resolution and the number of frames of the large display module 135 through an image processing program. Graphic signal processor 118 for interpolation, a power supply unit 134 for supplying power to various circuits and display module 135, and an external remote controller 121 having various input keys and direction keys are installed in infrared Infrared sensor unit 120, the graphic signal processing unit 118 and the large display module 135 for connecting the drive unit 119, the audio signal processing unit 115 is connected to the large speaker 117 DMB tuner and interface unit 112 including an audio signal amplifier 116 for driving and a TV unit for outputting DMB data using the large speaker 117 and the large display module 135. The DMB data received through the decoder is decoded by the central processing unit 110 and processed by the graphic signal processor 118 to output an image signal through the display module 135.

Here, components other than the components basically provided by the PDA platform such as the signal amplifier 116 and the driver 119 may be implemented in the TV unit in consideration of the ease of implementation.

The DMB TV device mainly controls an operation interface 122 for controlling various operation keys and display LEDs 123 and a WLAN module 125 for forming a communication path with an access point (AP) nearby. Communication port for controlling CF (Compact Flash) type wireless LAN connection unit 124, CF or SD type expansion socket unit 127 for connecting external devices such as a memory card, and mobile phone module 129, The mobile telephone connection unit 128 further comprises a voice port and a control port.

In addition, the DMB TV device, in addition to the mobile phone module 129, the Bluetooth module 132 and the Bluetooth connection unit 131 for transmitting and receiving a radio signal wirelessly with a Bluetooth headset, and the video call and TV installation place It further includes a camera unit 111 for recording and remote monitoring (DVR function, etc.).

In addition, in the service providing method of the present invention, which provides a service using the DMB TV device, displaying a menu of a required DMB TV, selecting a desired broadcast channel and a function setting through a remote control through a DMB broadcast control screen. Including, but not the DMB broadcasting watching on the menu screen, the wireless LAN module 125 or the mobile phone module for executing or selectively mounting the software (schedule management, games, browsers, media players, etc.) mounted on the personal mobile terminal A service provided using 129 is provided to select through the remote controller 121. Unlike a personal mobile terminal having a touch screen, the display module 135 has no touch screen, so that the software can be operated using the operation keys of the remote controller.

On the other hand, the vehicle DMB TV device has a simple broadcast viewing function and does not provide a mobile phone module or a wireless LAN module because it does not have a personal digital assistant (PDA) function, and a screen correction technology for displaying a low resolution broadcast screen on a high resolution display module is provided. There is a big difference that it is not applied. That is, since QVGA (320x240 or 352x288), which is a DMB broadcast resolution, is displayed as it is, the screen is not displayed on a 20-inch or larger display device having a minimum screen resolution of VGA (640x480) to HDTV (1920x1080).

However, the present invention, unlike the conventional TV contains a personal mobile terminal platform, the connection manager (CM) provided by the service provider when connected to the access point (AP) connected to the high-speed Internet network through the built-in wireless LAN module 125 ), Information, video, music, finance, video calls, VoIP calls, etc. can be processed through the large screen of the TV device.

In addition, the present invention, unlike the conventional TV contains a personal mobile terminal platform, connected to the mobile communication network through the built-in mobile phone module 129, voice, text (SMS, MMS), data services (Nate in Korea) , Jun, Magic & Pim, Japan, i-mode, etc.), which does not compare the contents of the service, compared to the two-way TV, such as simply using a landline phone for billing and text message delivery. The same various additional services (telephone connection sound, picture country, address book connection, etc.) for the first time in a TV device can be provided.

As described above, the DMB TV apparatus according to an embodiment of the present invention, a personal portable terminal for executing the entire operating program and DMB decoding program, the DMB tuner and interface 112 for receiving DMB data, And a TV unit based on a large display module 135 and a speaker 117, and additionally, a wireless LAN module 125 for communicating with an access point (AP) of a high speed communication network, and a connection with a mobile communication network. Mobile phone module 129, and the like. In this case, the DMB tuner and the interface unit 112 may be implemented by being embedded in the personal portable terminal.

Herein, the personal portable terminal decodes the DMB data received through the DMB tuner and the interface unit 112 and the DMB tuner and the interface unit 112 to receive the DMB data through the DMB antenna 113, and the individual. The central processing unit 110 for operating the operating software (OS) to support the mobile terminal platform, and the memory unit for storing the various software and supporting the execution of the software, and stores the data accordingly 114), an audio signal processor 115 for processing an audio signal having a codec for driving a microphone and a speaker, and a large display module 135 for displaying a low-resolution DMB broadcast resolution and frame number with hardware or / and software. Correction according to the resolution and the number of frames, that is, the resolution of the DMB through the image processing program in conjunction with the central processing unit 110. And a graphic signal processor 118 for interpolating the number of frames according to the resolution and the number of frames of the large display module 135, and a remote controller 121 used for external function input and manipulation instead of the touch screen. And an infrared sensor unit 120 for wirelessly providing a user interface.

The personal portable terminal further controls an operation interface 122 for controlling various operation keys and display LEDs 123 and a wireless LAN module 125 for forming a communication path with an access point (AP) nearby. CF (Compact Flash) type wireless LAN connection unit 124 for controlling, CF or SD type expansion socket unit 127 for connecting external devices such as a memory card, and for controlling the mobile phone module 129 The mobile phone connection unit 128 further comprises a communication port, a voice port, and control ports.

In addition, the personal mobile terminal, in addition to the mobile phone module 129, the Bluetooth module 132 and the Bluetooth connection unit 131 for wirelessly transmitting and receiving a voice signal with a Bluetooth headset, and the video call and TV installation place It further includes a camera unit 111 for recording and remote monitoring (DVR function, etc.).

Here, the video signal processed by the DMB receiver circuit (DMB tuner) is compressed in the H.264 format. For audio, the satellite DMB is known as the ACC + method, and the terrestrial DMB is known as the BSAC method. The driving speed is faster than 500MHz, and H.264 and audio formats are decoded in real time and displayed on the screen and stored in memory.

The mobile phone module 129 is a module implemented to enable mobile communication while the DMB TV device has a unique phone number, and may be a general mobile phone module.

The main technology of the present invention is fundamentally different from the existing DMB TV and DMB mobile phone, the resolution of DMB is 320x240 for satellite DMB, 352x288 for terrestrial DMB, whereas for display panels of 20 inches or more used in TV devices Since the resolution reaches a minimum of 640x480 (VGA) to 1920x1080 (HDTV), the resolutions are different from each other and the decoded DMB data cannot be displayed on a display module of VGA or higher without being converted. When the resolution is enlarged, a program for correcting the image is connected to prevent the deterioration of image quality. This includes a method of simply enlarging a dot (liquid crystal, PDP, OLED, etc.) according to the resolution, or correcting and processing the pixels with surrounding pixels. This software is provided, or in hardware, there is a method of analog-converting (D / A converting) DMB data to generate a video signal and digitally converting it to a display resolution (A / D converting). The number of screen frames displayed per second is 15 to 16 frames, and compared to 30 frames of general TV broadcasting, the video may be unnatural, and a program that inserts a correction frame between each frame of DMB and raises it to 29 to 30 frames is also included. Depending on the computing power, it can be implemented in software or hardware.

However, when connecting to general Internet service contents through a wireless LAN, a video is played through a media player. In this case, the contents are provided in accordance with the display resolution, or the media players are matched in resolution.

In this way, if the TV device is based on a personal mobile device and the expandability of the terminal is used, the TV device can provide various functions that can be the center of the home network as well as watching DMB broadcasting. It can be installed and can be provided with various Internet services like a computer through a wireless network.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings.

The present invention as described above, in the case of DMB broadcasting, since there are few blind spots, broadcasting is possible in most areas without cable broadcasting, and based on a personal portable terminal, unlike the existing TV, most of the functions of the computer are provided through software. Because it can receive, the utilization effect is improved.

In addition, the present invention can be embedded with a wireless LAN module and a mobile phone module to enjoy a lot of content provided by each carrier and the Internet service provider on the large screen of the TV device, TV devices are not just for watching the broadcast network and home network It has the effect of making it the center of entertainment.

In addition, the present invention, DMB broadcast instead of cable broadcasting, unlike the existing TV where the installation place is limited because the majority of the astigmatism area is connected to the receiver of the cable TV and pay the fee when watching the pay TV, etc. Because the mobile communication module is used instead of the telephone line, there is no need to connect the cable and the telephone line to the TV, so it can be installed at any place, and the cable connection work is not necessary, and the cable / satellite broadcasting installation fee and the monthly fee are not paid. There is an effect that you can watch the broadcast.

Claims (17)

In the DMB TV device, A DMB tuner and an interface unit for receiving DMB data through a DMB antenna; A central processing unit for decoding DMB data received through the DMB tuner and an interface unit and supporting a personal mobile terminal platform; A memory unit for storing various software and data; An audio signal processor for processing an audio signal; A graphic signal processor configured to generate an image displayed on a large display module in association with the central processor, and to interpolate a resolution and a frame number of the DMB to a resolution and a frame number of the large display module through an image processing program; User interfacing means for wirelessly providing a user interface; A driver for connecting the graphic signal processor and the large display module; An audio signal amplifier connected to the audio signal processor to drive a large speaker; And Output means for outputting DMB data using the large speaker and the large display module DMB TV device that includes. The method of claim 1, A WLAN module for forming a communication path with a neighboring AP through a WLAN antenna to communicate with each other in a WLAN; And WLAN connection unit for controlling the WLAN module DMB TV device further including. The method according to claim 1 or 2, A mobile telephone module for connecting to a mobile communication network through a mobile communication antenna; And Mobile phone connection unit having a communication port, a voice port, and control ports for controlling the mobile phone module DMB TV device further including. The method of claim 3, wherein An operation interface unit for controlling various operation keys and display elements; And Expansion socket for connecting external devices DMB TV device further including. The method of claim 3, wherein A Bluetooth module and a Bluetooth connection unit for wirelessly transmitting and receiving a voice signal with a Bluetooth headset in association with the mobile phone module; And Camera unit for recording and remotely monitoring video calls and TV installation sites DMB TV device further including. The method of claim 3, wherein The graphic signal processing unit, When you enlarge the resolution, you can correct the dot (liquid crystal, PDP, OLED, etc.) by using a simple method of enlarging the dots to match the resolution. DMB TV device characterized in that by inserting a correction frame between each frame of the DMB to prevent the unnatural image due to the lack of the frame number. The method of claim 3, wherein The graphic signal processing unit, In order to prevent the deterioration of image quality when enlarging the resolution, it uses a method of correcting and processing with surrounding pixels. DMB TV device characterized in that by inserting a correction frame between each frame of the DMB to prevent the unnatural image due to the lack of the frame number. The method of claim 3, wherein The graphic signal processing unit, In order to prevent the image quality deterioration when increasing the resolution, DMB data is analog-converted to generate a video signal and digitally converted to the display resolution. DMB TV device characterized in that by inserting a correction frame between each frame of the DMB to prevent the unnatural image due to the lack of the frame number. In personal mobile terminal, A DMB tuner and an interface unit for receiving DMB data through a DMB antenna; A central processing unit for decoding DMB data received through the DMB tuner and an interface unit and supporting a personal mobile terminal platform; A memory unit for storing various software and data; An audio signal processor for processing an audio signal; A graphic for generating an image for display on an external large display module in cooperation with the central processing unit, and interpolating the resolution and the number of frames of the DMB to the resolution and the number of frames of the large display module through an image processing program. A signal processor; And User interfacing means for wirelessly providing a user interface Personal mobile terminal comprising a. The method of claim 9, A driver for connecting the graphic signal processor and the external large display module; And An audio signal amplifier connected to the audio signal processor to drive an external large speaker Personal mobile terminal further comprising a. The method of claim 9, A WLAN module for forming a communication path with an access point (AP) through a WLAN antenna to communicate with each other in a WLAN; And WLAN connection unit for controlling the WLAN module Personal mobile terminal further comprising a. The method according to any one of claims 9 to 11, A mobile telephone module for connecting to a mobile communication network through a mobile communication antenna; And Mobile phone connection unit having a communication port, a voice port, and control ports for controlling the mobile phone module Personal mobile terminal further comprising a. The method of claim 12, An operation interface unit for controlling various operation keys and display elements; And Expansion socket for connecting external devices Personal mobile terminal further comprising a. The method of claim 12, A Bluetooth module and a Bluetooth connection unit for wirelessly transmitting and receiving a voice signal with a Bluetooth headset in association with the mobile phone module; And Camera unit for recording and remotely monitoring video calls and TV installation sites Personal mobile terminal further comprising a. The method of claim 12, The graphic signal processing unit, When you enlarge the resolution, you can correct the dot (liquid crystal, PDP, OLED, etc.) by using a simple method of enlarging the dots to match the resolution. Personal portable terminal, characterized in that the correction frame is inserted between each frame of the DMB in order to prevent the unnatural image due to the lack of the frame number to raise the frame. The method of claim 12, The graphic signal processing unit, When the resolution is enlarged, it uses a method of correcting and processing with surrounding pixels to prevent deterioration of image quality. Personal portable terminal, characterized in that the correction frame is inserted between each frame of the DMB in order to prevent the unnatural image due to the lack of the frame number to raise the frame. The method of claim 12, The graphic signal processing unit, In order to prevent the image quality deterioration when increasing the resolution, DMB data is analog-converted to generate a video signal and digitally converted to the display resolution. Personal portable terminal, characterized in that the correction frame is inserted between each frame of the DMB in order to prevent the unnatural image due to the lack of the frame number to raise the frame.

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