KR100474373B1 - Apparatus for servicing real time text information and video for a car - Google Patents

Abstract

An apparatus for providing real-time text information and video for an automobile according to the present invention includes: an information receiving unit configured to receive and data-rate a real-time text information message of a DARC type and an SMS type text message; Video providing unit for providing a video; An information marker for marking real-time text information received on the video screen; An image receiver for adjusting and controlling a level of a video signal and transmitting the same to an information marker; An image transmitter for stably adjusting and transmitting an image from the information marker; An image presenting unit for changing the image signal from the image transmitting unit into an identifiable form; A display unit which displays the image signal changed by the image expression unit on a screen; An information storage unit which stores the moving image information expressed in the display unit; An image information transmitting unit which transmits image information stored in the information storage unit; An operation start / stop section for transmitting a system operation start or stop signal; And a control unit for controlling the above-mentioned components as a whole.

According to the present invention, since the real-time text information (news, weather, traffic, etc.) overlap by displaying a video screen and a series of subtitles through a video monitor, various life information (news, weather) in real time to passengers in the car , Traffic, securities, etc.) can be easily provided as a video with a text message (short advertising, announcements, etc.).

Description

App for real-time text information and video for a car {Apparatus for servicing real time text information and video for a car}

The present invention relates to a device for providing real-time text information and video for a vehicle, and more particularly, to a device for providing real-time text information and video for a vehicle that can provide various living information and text messages with a video in real time to a passenger in a car. will be.

Today, there are a number of wireless service subscribers worldwide. And such wireless communication subscribers are continuously increasing. As a result of the surge in wireless communication subscribers, various services using wireless communication have been developed and spread. The wireless communication system has been continuously developed from the initial ground transmission tower method to geostationary orbit satellite communication and low orbit mobile satellite communication. As the wireless communication system has developed, wireless internet services have also developed. The wireless Internet service refers to a service that allows users to access the Internet anytime, anywhere, as well as search for various information. When mobile phones were first introduced, mobile phones and PCs were completely separate devices, but with the emergence of wireless data, they have gradually converged and are now evolving into wireless Internet. The wireless Internet using such mobile phones is classified into built-in and non-built-in types depending on the presence of a browser, and the built-in type which can use all Internet services with only a mobile phone is becoming mainstream. Early wireless Internet services were only short message services (SMS) that could send and receive short sentences in Korean or English between digital mobile subscribers over public telephone networks, data communications networks, or the Internet. It also leads to various application services such as banking and living information.

The present invention is to provide a real-time text information and video providing apparatus for a car that can provide a variety of life information as a text message to the passengers in the car in real time based on the wireless communication system and the Internet environment as described above Its purpose is.

In order to achieve the above object, a device for providing real-time text information and video for a vehicle according to the present invention is installed in a vehicle and provides a living information and a video to passengers in real time through a video monitor.

Synchronizes the transmission signal by the DARC (DAta Radio Channel) method from the real-time text information provider and the transmission signal by the CDMA (Code Division Multiple Access) communication standard and the short message service (SMS) transmission method from the video service provider, respectively. An information receiving unit which receives and converts the information into data;

Video providing unit for providing a video;

An information marker for marking the changed information received by the information receiver in a predetermined form on a video screen provided from the video providing unit;

An image receiving unit for adjusting and controlling the moving image signal output from the moving image providing unit to have a constant level and transmitting the same to the information marking unit;

An image transmitter which adjusts and transmits the image mixed with the image from the information marker and the received information to a stable value;

An image expression unit which receives the image signal from the image transmission unit and changes the image signal into a form that can be visually recognized;

A display unit which displays the image signal changed by the image expression unit on a screen;

An information storage unit for arranging and storing the order and length information of the moving image expressed in the display unit according to a predetermined rule;

An image information transmitting unit which encodes and transmits image information arranged and stored in the information storage unit;

An operation start / stop section for transmitting a system operation start or stop start signal; And

By controlling the functions of the information receiving unit and the image receiving unit, the characters inputted by the information marker unit are mixed with the image inputted from the moving image providing unit, and the transmission signal from the operation start / stop unit is received and displayed with the moving image providing unit. It is characterized in that it comprises a control unit for driving or stopping the unit, and analyzes the order and length information of the corresponding video, and stores the information in the information storage unit, and organizes the stored video information and transmits it to the image information transmitting unit.

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

1 is a schematic system configuration diagram of an apparatus for providing real-time text information and video for an automobile according to the present invention.

Referring to FIG. 1, an apparatus for providing real-time text information and video for a vehicle according to the present invention is a device that is installed inside a vehicle and provides information and video to passengers in real time through a video monitor. The information receiving unit 101 and a video are provided. The providing unit 110, the information marker 103, the image receiving unit 104, the image transmitting unit 106, the image expression unit 107, the display unit 111, the information storage unit 108, the image information transmitting unit ( 109, an operation start / stop section 102, and a control section 105.

The information receiving unit 101 synchronously receives the DARC transmission signal from the real-time text information provider, the CDMA communication standard from the video service operator, and the transmission signal of the SMS transmission method, respectively, to form information data. Here, DARC is a kind of FM supplementary broadcasting service that refers to an information transmission service that provides digital information in a spare part of FM frequency and provides living information such as news, stocks, weather and traffic information in real time with audio FM broadcasting. In step 101, the DARC transmission signal is synchronously received through an antenna and an FM tuner, and information is coded through a demodulator, a decoder, and the like. In addition, the information receiving unit 101 synchronously receives the transmission signal according to the CDMA communication standard and the SMS transmission method through the antenna and the CDMA module to convert information data through a demodulator, a decoder, and the like. Here, the description will be described in more detail with reference to FIG. 3 with respect to such information data. FIG. 3 is a diagram illustrating a method and a system configuration for information data of an SMS transmission / reception signal at an information receiver. Referring to FIG. 3, before the SMS message is transmitted according to a predetermined time and number of times, the system displays a video in order to form an information data of the SMS transmission signal according to CDMA (IS95: one of the domestic mobile communication service operating methods). After collecting the track information of the provider 110, it should be changed to the transmission data structure. The track information of the video providing unit 110 is uploaded in a 64-byte size from the video providing unit 110 to the central processing unit (control unit) 105 of the system whenever a play signal occurs. This information is received, and the track information of 4 bytes is filtered and stored in the DB (information storage unit) 108. The track information stored in the DB (information storage unit) 108 is reconstructed according to the TxMsg (abbreviated representation of Transmission Message) packet structure and transmits an SMS message at a predetermined transmission time. In this case, a TxMsg packet structure and an SMS transmission signal frame structure are respectively illustrated as follows. <TxMsg packet structure> ∥ DISK NUM ∥ TRACK Info ∥ MIN ∥ SEC ∥ \ r ∥ \ n ∥ SMS transmission signal Frame Structure> ┃SHead┃ msgID┃RxPhoneNum┃TxPhoneNum┃Dumy info┃TxMsg┃STail┃┃1byte┃20byte┃ 20byte ┃ 20byte ┃ 4byte ┃ ~ ┃1byte It accepts existing domestic / international standards) and sends call info, short messages and various information created by the central center using a commercial packet exchange method, and individual terminals process the received data according to the packet exchange method to monitor. Will be displayed.

The video providing unit 110 provides a constant video, and the video providing unit 110 may use a video CD changer (VCDC) for providing a video of a video CD (VCD).

The information marker 103 displays the changed information received by the information receiver 101 in a predetermined form on the video screen provided from the video providing unit 110. That is, the information marker 103 transforms the information into Korean, English, and Chinese characters (24 × 32 pixels) so that a person can recognize it with the naked eye, and is received by the information receiver 101 to be described later. The information changed in the manner specified by the control unit 105 is composited on the video screen and displayed in a predetermined form, i.e., horizontal and vertical strings. Here, the changed information and the video screen by the information marker 103 as described above are synthesized. Description will be made in relation to the method and its configuration. FIGS. 4 and 5 illustrate a synthesis mechanism of text information and a video by the information marker, and FIG. 4 shows a real-time character generator in the information marker. 5 is a diagram illustrating an overall mechanism of synthesizing text information and video based on an external monitor, and FIG. 5 is an internal system configuration of a real-time text generator of FIG. 4. And an input / output relationship with the outside. Referring to FIG. 4, an OSD (On Screen Display) dedicated unit may display characters corresponding to real-time information received using a synchronization signal SYNC extracted from an input video image. The real-time character generator 400 synthesizes the video image (marked with horizontal and vertical strings), buffers the image according to 1 Vpp (Voltage peak-to-peak), and outputs the output. Referring to FIG. The real-time character generator 400 includes an analog switch 401, a horizontal / vertical sync signal separator 402, a video signal generator 403, an NTSC / PAL signal generator 404, a serial input signal controller 405, And a color graphic (CG) memory controller 406. In the real-time character generator 400 having the above-described configuration, the horizontal / vertical synchronization signal separation circuit 402 is configured for external horizontal synchronization. The vertical sync signal The NTSC / PAL signal generator 404 receives the output of the horizontal / vertical synchronization signal separation circuit 402 and generates a corresponding NTSC / PAL signal. The serial input signal controller 405 is a controller 105. In accordance with the control command from the control unit 105 from the control unit 105 outputs the serial input signal, the color graphics (CG) memory control unit 406 receives the output from the serial input signal control unit 405 to the color graphics memory The video signal generator 403 inputs output signals from the NTSC / PAL signal generator 404 and the color graphics (CG) memory controller 406, respectively. Receives and generates a video signal corresponding thereto, and the analog switch 401 synthesizes an output signal from the video signal generator 403, that is, a video signal suitably processed into a video signal, and then inputs the video signal to the input image. Output the synthesized image.

The image receiver 104 adjusts and controls the video signal output from the video providing unit 110 to have a constant level and transmits the video signal to the information marker 103. In this case, preferably, the image synchronization signal, the color difference, and the brightness signal are separated and transmitted to the information marker 103.

The video transmitter 106 adjusts and transmits the video from the information marker 103 and the video mixed with the received information to a stable value. Here, the stable value may be determined by measuring a video signal using a measuring instrument as a reference for determining the shaking or brightness of the screen when the screen is viewed through the monitor, and the shaking and the sharpness of the text when the received information is displayed in text. The criterion of the ideal video signal is technically determined, and it can be said that adjusting to a stable value makes it most suitable for the criterion. In order to implement this, first, the MB90092 IC is used to mix the image and the received information, and to obtain a stable value of the screen, as shown in FIG. 4, a video synchronization signal separation circuit (SYNC separator), an input and an output part Additional buffer circuits (image buffer inputs and image buffer outputs) were configured in the controller, and an output control circuit (output regulator) was added for fine adjustment.

The image expression unit 107 receives the image signal from the image transmission unit 106 and changes it into a form that can be visually recognized.

The display 111 displays the image signal changed by the image expression unit 107 on the screen. An image monitor (eg, an LCD monitor) may be used as the display unit 111.

The information storage unit 108 arranges and stores the order and length information of the moving image represented by the display unit 111 according to a predetermined rule. Here, the explanation will be further explained in this regard. For example, a video CD is used as a moving picture reproducing medium applied to the present invention. The data compression method of the video CD uses the MPEG 1 method for video data, and the layer 1 of MPEG 1 for audio data. , 2 method is used. The data structure of MPEG 1 is as follows. Sinks Header Subheader User area EDC ECC Sinks Header Subheader User area EDC In the above configuration, video and audio information are embedded in the user area, and video information is stored in the header and subheader portions. By extracting the header and sub-header parts according to MPEG 1 FORMAT, you can find information about the video currently being played (run time, title, order, etc.), and use the extracted information as a fixed space in the built-in memory Will be stored in. TRACK (title) Screening start time Screening finish time The image information transmitting unit 109 encodes and transmits the image information arranged and stored in the information storage unit 108. That is, the video signal is arranged and stored in the information storage unit 108 through the encoder and the CDMA communication standard and the SMS transmission method through the encoding and modulator to transmit the transmission signal through the antenna and the CDMA module.

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The operation start / stop section 102 sends out a system operation start or stop start signal. That is, a light bulb in a vacant vehicle connected to a meter for measuring the mileage of a vehicle transmits an operation start signal of the system to the control unit 105 to be described later by using the off light at the start of driving with the passenger, or conversely, a vacant vehicle in the empty vehicle. By using a light bulb in the inside to send a stop signal of the system to the control unit 105.

The controller 105 controls the functions of the information receiving unit 101 and the image receiving unit 104 to mix the characters designated by the information marker 103 to the image input from the video providing unit 110, and the operation. The video storage unit 110 and the display unit 111 are driven or stopped by receiving the transmission signal from the start / stop unit 102, and the information storage unit 108 is analyzed by analyzing the sequence and length information of the video. ), And the stored video information is collected and transmitted to the video information transmitting unit 109.

In the apparatus for providing real-time text information and video for a vehicle according to the present invention having the above configuration, the unit 100 surrounded by the dotted lines except for the video providing unit 110 and the display 111 is one unit device. It is packaged and manufactured as, and is electrically connected by the video providing unit 110 and the display unit 111 and a connection port in the finished unit product state (hereinafter, referred to as MDT (Mobile Data Terminal) for convenience). At this time, the battery power of the vehicle (DC 12V) is used as the driving power of the MDT.

Then, the operation of the vehicle real-time text information and video providing apparatus according to the present invention having the configuration as described above will be described.

The real-time text information and video providing device for a vehicle according to the present invention is installed in a car (for example, a brand taxi that has recently started running) to provide various living information and videos to passengers, as shown in FIG. 2. In connection with the information providing service provider 201, the wireless communication service provider 202, and the image service business owner (operating service provider) 203, the mobile communication system is formed as a whole.

In the state where the system system is constructed as described above, when a passenger rides in a car (taxi), the operation start / stop section 102 sends an operation start signal of the system to the control section 105, and the control section 105 sends this signal. It receives and drives the video providing unit 110 and the display unit 111. Accordingly, the video providing unit (VCDC) 110 provides a video stored in the VCD, and the image receiving unit 104 adjusts and controls the video signal output from the video providing unit 110 to have a constant level. Then, the image synchronization signal, the color difference, and the brightness signal are separated and transmitted to the information marker 103. Then, the information marker 103 provides the information already received and changed by the information receiving unit 101 (information received from the information providing provider and changed into coded data) from the video providing unit 110. It is displayed in a predetermined form on the moving picture screen. That is, the information received by the information receiving unit 101 and changed in a manner designated by the control unit 105 is combined on the moving picture screen and displayed in a predetermined form, that is, a horizontal and vertical character string. When the operation of the information marker 103 is completed, the image transmitter 106 adjusts and outputs a mixed image of the image from the information marker 103 and the received information to a stable value and transmits the image expression unit 107. Receives an image signal from the image transmission unit 106 and changes it into a form that can be visually recognized, the display unit (image monitor) 111 displays the image signal changed by the image expression unit 107 on the screen. Accordingly, the passenger in the taxi can be provided with a video screen through the video monitor 111, such as living information (news, weather, traffic, announcements, etc.) and text messages (short ad, announcements, etc.) in real time. do. At this time, the text message (notice, guidance, etc.) transmitted from the video service provider's SMS center is displayed in priority to the real time message, and the real time text information (news, weather, traffic, etc.) is overlapped with a series of subtitles on the video to scroll horizontally. Is displayed.

On the other hand, when the passengers get off, the operation start / stop unit 102 sends an operation stop signal of the system to the control unit 105, and the control unit 105 receives the signal and the video providing unit 110 and the display unit ( 111) stop. Then, the information storage unit 108 arranges and stores the order and the length information of the moving image represented on the display unit 111 according to a predetermined rule. As described above, a series of operation processes are repeatedly performed while passengers get on and off in one day. Finally, the image information transmitting unit 109 is the information storage unit at predetermined time intervals (for example, within two times daily). The video information arranged and stored at 108 is encoded and sent. In other words, the video information is arranged and stored in the information storage unit 108 through the encoder and the modulator CDMA communication standard and SMS transmission method to transmit the transmission signal through the antenna and the CDMA module to the operator's SMS center. Then, the operator (video service business owner) 203 receives it, aggregates the video broadcast history, documents the video information, and utilizes it as data related to the business operation.

As described above, the vehicle real-time text information and video providing apparatus according to the present invention is installed in a car using a VCDC and a video monitor with a variety of video screens and real-time text information in a series of subtitles on the video screen (news) , Weather, traffic, etc.) by overlapping, it is possible to easily provide a variety of life information (news, weather, traffic, securities, etc.) and text messages (short text ads, announcements, etc.) to passengers in the car in real time There is an advantage.

1 is a schematic system diagram of a device for providing real-time text information and video for a vehicle according to the present invention.

2 is a view showing an overview of one mobile communication system system in which the real-time text information and video providing apparatus for automobiles according to the present invention is employed. FIG. 3 is a diagram illustrating a method and system configuration for information data of an SMS transmission / reception signal at an information receiving unit of an apparatus for providing real-time text information and video for an automobile according to the present invention. FIG. FIG. 4 is a view showing the overall mechanism in which text information and a video are synthesized around a real-time text generator and an external monitor in an information marker according to the present invention. FIG. 5 is a diagram illustrating an internal system configuration of the real-time character generator of FIG. 4 and an input / output relationship with the outside; FIG.

<Explanation of symbols for the main parts of the drawings>

101 ... information receiver 102 ... operation start / stop unit

103 ... information marker 104 ... video receiver

105 Control unit 106 Video transmission unit

107 Image Representation Unit 108 Information Storage Unit

109 ... video information transmitter 110 ... video provider

111 Display unit 400 Real-time character generator 401 Analog switch 402 Horizontal / vertical sync signal separation circuit 403 Video signal generator 404 NTSC / PAL signal generator Serial input signal controller 406 ... Color graphic memory controller

Claims (2)

It is a device installed inside the vehicle to provide living information and video to passengers in real time through a video monitor, An information receiving unit for synchronizing and receiving information transmitted from the real-time text information provider by the DARC method and the signal transmitted by the CDMA communication standard and the SMS transmission method from the video service provider respectively; Video providing unit for providing a video; An information marker for marking the changed information received by the information receiver in a predetermined form on a video screen provided from the video providing unit; An image receiving unit for adjusting and controlling the moving image signal output from the moving image providing unit to have a constant level and transmitting the same to the information marking unit; An image transmitter which adjusts and transmits the image mixed with the image from the information marker and the received information to a stable value; An image expression unit which receives the image signal from the image transmission unit and changes the image signal into a form that can be visually recognized; A display unit which displays the image signal changed by the image expression unit on a screen; An information storage unit for arranging and storing the order and length information of the moving image expressed in the display unit according to a predetermined rule; An image information transmitting unit which encodes and transmits image information arranged and stored in the information storage unit; An operation start / stop section for transmitting a system operation start or stop start signal; And By controlling the functions of the information receiving unit and the image receiving unit, the characters inputted by the information marker unit are mixed with the image inputted from the moving image providing unit, and the transmission signal from the operation start / stop unit is received and displayed with the moving image providing unit. And a controller for driving or stopping the unit, analyzing the sequence and length information of the corresponding video, storing the stored video information, and storing the stored video information and transmitting the stored video information to the video information transmitting unit. Text information and video providing device. The method of claim 1, The information marker unit transforms the information into Korean, English, and Chinese characters (24 × 32 pixels), and displays real-time character information and video for a vehicle, characterized in that the horizontal and vertical strings on the video screen.