KR20070069551A - Mobile communication device and method for simultaneously providing visual communication and chatting using unified image channel - Google Patents

Abstract

A mobile terminal using an integral image channel so as to simultaneously support a video telephony and a chatting and a method for the same are provided to solve the problem that the same protocol or the same channel has to be used between mobile terminals of making communication due to simultaneously carrying out a video telephony and a chatting by using an integrated image channel. A text input processor(320) generates text information corresponding to text input by a input unit. A memory(330) stores image data, which are photographed by a camera, in a predetermined size and temporarily stores text information generated from the text input processor(320). An encoder(340) encodes the image data and the text information in the memory(330) and generates encoded data so as to display the text information on an image according to the image data in the other party's communication terminal. A controller(350) performs a control operation such that the encoded data are transmitted from the encoder to the other party's communication terminal.

Description

Mobile Communication Device and Method for Simultaneously Providing Visual Communication and Chatting Using Unified Image Channel

1 is a view for explaining a conventional method for transmitting images and text.

2 is a view for explaining a text transmission system according to an embodiment of the present invention.

3 is a block diagram illustrating an internal structure of a mobile communication terminal of FIG. 2.

4 is a view illustrating an example in which a video and text call is executed in the mobile communication terminal of FIG. 2.

5 is a flowchart illustrating a text transmission method using an image channel of a mobile communication terminal according to an embodiment of the present invention.

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

210: mobile communication terminal

310: camera

320: character input processing unit

330: memory

340: encoder

350: control unit

360: decoder

The present invention relates to a communication method using a mobile communication terminal, and more particularly, to a method using an integrated image channel to simultaneously support video call and chat using a mobile communication terminal.

In modern society, communication terminals are used by many people as long-distance communication means. Especially, mobile terminals are widely used as necessities because they provide users with the ability to communicate conveniently on the go, regardless of place. It is becoming. Recently, as the performance of the processor is improved and the resources of the memory are increased, the mobile communication terminal provides various functions as well as the conventional mobile communication service.

Recently, in order to provide a more improved communication service, a video call can be made using a mobile communication terminal and a camera, a text can be inputted through a keypad, and the two communication methods can be performed simultaneously. The operating procedure of this method is shown in FIG.

1 is a view for explaining a conventional method for transmitting images and text.

As shown in FIG. 1, the mobile communication terminal generates image data using image information entered into a camera, encodes the generated image data using an encoder, and transmits the generated image data to the counterpart communication terminal. In addition, the text information input by the keypad is transmitted to the counterpart communication terminal using a specific channel and protocol, so that the image data and the text information are transmitted through separate paths, and the counterpart communication terminal receiving the thus transmitted image data and text information. It collects from and outputs through the output means.

Therefore, in order to chat or send a text message during a video call using a conventional mobile communication terminal, there is a limitation of using a separate channel and protocol. In addition, there is a limit in that the calling mobile terminal and the receiving mobile communication terminal (relative communication terminal) use the same protocol to transmit text information for text messages and chat.

The present invention has been made to solve the problems of the prior art as described above, an object of the present invention is to provide a mobile communication terminal that can simultaneously support a video call and chat using an integrated image channel.

Another object of the present invention is to provide a method for transmitting image information input through a camera and text information input through a keypad using a single image channel in a mobile communication terminal.

The mobile communication terminal according to the present invention for achieving the object of the present invention as described above and to solve the above-mentioned problems of the prior art, the camera; A character input processing unit for generating character information corresponding to characters input through the input means; A memory for temporarily storing image data photographed by the camera at a predetermined size and temporarily storing character information generated by the character input processing unit; An encoder for encoding the image data and the character information in the memory and generating coded data for simultaneous display of the character information on an image according to the image data in a counterpart communication terminal; And a control unit for controlling the encoded data from the encoder to be transmitted to the counterpart communication terminal.

According to another aspect of the present invention, there is provided a text transmission method using an image channel of a mobile communication terminal, the method comprising: generating image data from a camera; Generating text information corresponding to text input through a keypad; Encoding the image data and the text information to generate coded data for simultaneously displaying the text information on an image according to the image data in a counterpart communication terminal; And transmitting the encoded data to the counterpart communication terminal, wherein a text message transmission channel is not used to transmit the text information.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings and the contents described in the accompanying drawings, but the present invention is not limited or limited to the embodiments. Like reference numerals in the drawings denote like elements.

Hereinafter, embodiments of a mobile communication terminal according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a view for explaining a text transmission system 200 according to an embodiment of the present invention.

As shown in FIG. 2, the text transmission system 200 includes a mobile communication terminal 210, a mobile communication network 220, and a counterpart communication terminal 230.

The text transmission system 200 allows a mobile communication terminal 210 such as a cellular phone, a PCS, a PDA, a DMB phone, to make a video call through a mobile communication network 220 connected to various communication network components including an MSC, a base station, a gateway, and the like. It has been proposed to transmit image data for a text message and to send text information for a text message or a chat to an integrated image channel.

To this end, according to an embodiment of the present invention, the mobile communication terminal 210 generates image data from a camera provided and generates character information corresponding to a character input through a keypad to encode the image data and the character information. do. The mobile communication terminal 210 generates coded data for simultaneously displaying the text information in an on-screen form on a counterpart communication terminal on an image according to the image data. The encoded data is transmitted to the counterpart communication terminal. In this case, the text information used in the text message and the chat is transmitted between the mobile communication terminal and the counterpart communication terminal by transmitting the encoded data using an integrated image channel without using a text message transmission channel for transmitting the text information. Communication can be made without considering whether the protocols to be transmitted match.

The mobile communication terminal 210 displays image data input through the camera 310 (FIG. 3) and text information input through the input means (370 of FIG. 3) in the counterpart communication terminal 230 according to the image data. In order to simultaneously display the text information, encoded data is generated using an encoder (340 of FIG. 3), and the encoded data is transmitted through a wireless transceiver 355. The encoded data is transmitted to the counterpart communication terminal 230 through the mobile communication network 220.

The mobile communication network 220 refers to a communication network connecting a mobile communication terminal with a fixed point or between mobile communication terminals, and various mobile communication principles, such as a cellular mobile communication scheme, may be applied. In addition, as a wireless station that handles the task of communicating with the mobile electronic devices used to move, the base station (BTS) relaying the transmission and reception radio waves of the mobile communication terminal 210, a plurality of different types or the same type of communication network interconnected between the communication network A gateway or the like used as a functional unit or device that can transmit and receive information may be used together.

The counterpart communication terminal 230 receives data encoded together with image data and text information from the mobile communication terminal 210 through the mobile communication network 220, and receives an image through an output means of the counterpart communication terminal 230. Prints and characters at the same time. Therefore, the other party can see a screen in which the text information is simultaneously displayed on the screen reproduced according to the image data transmitted from the mobile communication terminal 210 at the same time. More detailed operations of the mobile communication terminal 210 and the counterpart communication terminal 230 will be described later with reference to FIG. 3.

In addition, the mobile communication terminal 210 and the counterpart communication terminal 230 is a PDC (Personal Digital Cellular) phone, PCS (Personal Communication Service) phone, PHS (Personal Handyphone System) phone, CDMA-2000 (1X, 3X) phone , Wideband CDMA (WCDMA) Phone, Dual Band / Dual Mode Phone, Global Standard for Mobile (GSM) Phone, Mobile Broadband System (MBS) Phone, Digital Multimedia Broadcasting (DMB) Phone, Smart Handheld devices that may include communication functions such as phones, mobile phones, public switched telephone network (PSTN) terminals, Voice over Internet Protocol (VoIP), Session Initiation Protocol (SIP), Media Gateway Control Protocol (MGCP), and MEGACO (Media) Handheld PCs, such as Gateway Control, PDA (Personal Digital Assistant), Hand-Held PC, Notebook Computer, Laptop Computer, WiBro Terminal, MP3 Player, MD Player, and International Roaming Service And IMT-200 Providing Extended Mobile Communication Services A portable electric and electronic device, which means all kinds of handheld-based wireless communication devices, including a 0 (International Mobile Telecommunication-2000) terminal, a Universal Mobile Telecommunication Service (UMTS) -based terminal, and the like, and includes code division multiplexing access (CDMA). Certain communication modules, such as wireless communication devices with GPS chips to enable location tracking via modules, Bluetooth modules, infrared data associations, wired and wireless LAN cards, and the Global Positioning System (GPS). And it is interpreted as a concept that collectively the terminal capable of performing a certain operation by mounting a microprocessor capable of performing a multimedia playback function.

3 is a block diagram illustrating an internal structure of the mobile communication terminal 210 of FIG. 2.

As shown in FIG. 3, the mobile communication terminal 210 includes a camera 310, a text input processor 320, a memory 330, an encoder 340, a decoder 350, a wireless transceiver 355, and a decoder. 360, input means 370, and output means 380.

The camera 310 is a means for photographing a user or other various objects of the mobile communication terminal 210. The camera 310 may be a digital camera, a CMOS camera, a Charged Coupled Device (CCD) camera, or other imaging apparatus. Also, the image data photographed by the camera 310 may be encoded by the encoder 340 and transmitted to the counterpart communication terminal 230.

The text input processor 320 generates text information corresponding to text input through an input means 370 such as a keypad. The input means 370 is a means for issuing or setting various commands to the mobile communication terminal 210. In particular, the input means 370 is used as a means for inputting a text message or a chat text to be transmitted to the counterpart communication terminal 230. . In addition, as the input means 370, a keypad, a touch screen, a touch pad, a voice recognition module, or the like may be used in combination.

The memory 330 temporarily stores image data photographed by the camera 310 at a predetermined size (for example, 1 or 2 frames), and temporarily stores text information generated by the text input processing unit 320. do. One piece of encoded information may be generated using the stored image data and character information. In addition, as the memory 330, a non-volatile (NV) DRAM, a NAND memory, or the like, which implements the high speed write capability of the D RAM and the inactive function of the flash memory, may be used.

The encoder 340 encodes the image data and the character information in the memory 330 according to a predetermined encoding algorithm to simultaneously display the character information on an image according to the image data in the counterpart communication terminal 230. Generate coded data for The generated encoded data may be transmitted to the counterpart communication terminal 230 through one channel, that is, an integrated image channel. Accordingly, the mobile communication terminal 210 may transmit the encoded data to the counterpart communication terminal 230 even if the mobile communication terminal 210 does not have the same protocol between separate channels or communication terminals for transmitting a text message or a chat text. In addition, when the capacity of the encoded data is large, the encoder 340 may compress the encoded data since the transmission speed to the counterpart communication terminal 230 becomes slow. Various compression schemes such as * .zip and * .lzw may be used as a format for the compression.

The controller 350 controls the encoded data from the encoder 340 to be transmitted to the counterpart communication terminal 230. In this case, the decoder 350 controls to transmit the generated coded data to the counterpart communication terminal 230 through an image channel, that is, one channel. In addition, the controller 350 is responsible for the overall control of the components of the mobile communication terminal 210. In addition, the controller 350 typically includes a processor function for processing all data on a communication terminal associated with a modem digital signal processor (DSP). As more DSPs are provided to process internal signals, such as baseband signals, the operation of each mode may be faster due to the higher processing speed. As the decoder 350, a mobile station modem (MSM), a digital signal processor (DSP), an open multimedia application platform (OMAP), or the like may be used.

The wireless transceiver 355 performs a mobile communication service while transmitting and receiving radio waves with a base station or transmits the encoded data according to the present invention to the counterpart communication terminal 230 according to a predetermined transmission method.

The decoder 360 decodes data transmitted from the counterpart communication terminal 230 in the encoding scheme. The encoded data may be image data, text information, or data in which image data and text information are mixed. Accordingly, the decoder 350 controls the image including the character information in the on-screen form to be displayed through the output means 380 according to the decoded data. In addition, when the encoded data is compressed to increase the transmission speed, it may be decompressed.

The output means 380 is a device used for confirming the setting or constant information of the mobile communication terminal 210. In particular, the output means 380 is for checking the received encoded information. That is, the output means 380 may simultaneously output image and text information according to the image data. In addition, the output means 380, the audio output means such as LCD, organic LED, PDP, LED, etc. provided in the mobile communication terminal 210, a speaker that can output a variety of music, such as ringtone, coloring, MP3, acoustic, such as earphone At least one output means, and tactile output means using a vibration motor or the like may be used.

4 illustrates an example in which a video and text call is executed in the mobile communication terminal 210 of FIG. 2.

As shown in FIG. 4, the mobile communication terminal 210 integrates image information input through a camera and text information input through a keypad. Therefore, the encoder 340 may encode the character information in a predetermined area of the screen (the lower part of the screen in FIG. 4). Accordingly, since the counterpart communication terminal 230 can immediately check the image and the text at the same time by receiving one of the encoded data, there is no need to go through the process of collecting the data from different channels as before. The encoded data does not need to use a channel for separately transmitting character information since character information is synthesized and encoded in the image data. In addition, it is not necessary to use the same protocol for transmitting and receiving text information between mobile communication terminals that make and receive calls.

Hereinafter, the mobile communication terminal 210 according to the present invention described above with reference to FIGS. 2 and 3 will be described according to the steps of an operation process.

5 is a flowchart illustrating a text transmission method using an image channel of the mobile communication terminal 210 according to an embodiment of the present invention.

First, the mobile communication terminal 210 generates image data from the provided camera (S510), and generates text information corresponding to a character input through a predetermined input means 370 (S520). At least one keypad, a touch screen, a touch pad, and a voice recognition module may be used as the input means.

Next, the image data and the character information are encoded (S530). The encoder 340 which encodes the image data and the character information together may encode and compress the image data and the character information in the memory 330. Accordingly, the controller 350 may control to transmit the encoded and compressed data from the encoder 340 to the counterpart communication terminal 230. In addition, the memory 330 may temporarily store image data photographed by the camera 310 in a predetermined size, and temporarily store text information generated by the text input processor 320.

Next, encoded data for simultaneously displaying the text information on the counterpart communication terminal 230 on the image according to the image data is generated (S540). The encoded data is transmitted to the counterpart communication terminal 230 (S550). In this case, the channel or protocol for text message or chat may not be used to transmit the text information.

Accordingly, the counterpart communication terminal 230 may receive the encoded data, decode it using the decoder 360, and output the decoded data through the output means 380. That is, the data transmitted from the mobile communication terminal 210 by the encoding method can be decoded. In addition, the decoder 350 may control to display an image including character information through an output means according to the decoded data. In addition, when the data transmitted by the encoding scheme is compressed, the decoder 360 decompresses. Therefore, the text information used in the text message and the chat is transmitted between the mobile communication terminal and the counterpart communication terminal by transmitting the encoded data using an integrated image channel without using a text message transmission channel for transmitting the text information. The protocol can be communicated without considering the match.

Embodiments mentioned in connection with the mobile communication terminal 210 herein may be applied to the counterpart communication terminal 230 and vice versa.

So far, the text transmission method using the image channel of the mobile communication terminal according to the present invention has been described, and the above-mentioned information in the embodiments of FIGS. 2 to 4 can be applied to the present embodiment as it is. Will be omitted.

The character transmission method using the image channel of the mobile communication terminal according to the present invention can be implemented in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. The medium may be a transmission medium such as an optical or metal wire, a waveguide, or the like including a carrier wave for transmitting a signal specifying a program command, a data structure, or the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

As described above, the present invention has been described by specific embodiments such as specific components and the like, but the embodiments and the drawings are provided only to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations are possible from such description.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and all the things that are equivalent to or equivalent to the claims as well as the following claims will belong to the scope of the present invention. .

As described above, the mobile communication terminal according to the present invention can simultaneously support a video call and a chat by using the integrated image channel, so as not to be affected by the constraint of using the same protocol or channel between mobile communication terminals. It is effective.

Claims (10)

camera; A character input processing unit for generating character information corresponding to characters input through the input means; A memory for temporarily storing image data photographed by the camera at a predetermined size and temporarily storing character information generated by the character input processing unit; An encoder for encoding the image data and the character information in the memory to generate encoded data for simultaneously displaying the character information on an image according to the image data in a counterpart communication terminal; And Control unit for controlling the encoded data from the encoder to be transmitted to the counterpart communication terminal   Mobile communication terminal comprising a. The method of claim 1, And the text information is transmitted in the form of on-screen data through an integrated channel through which the image data is encoded and transmitted without using a text message transmission channel. The method of claim 1, The encoder encodes and compresses the image data and the character information in the memory, The control unit controls to transmit the encoded and compressed data from the encoder to the counterpart communication terminal; Mobile communication terminal, characterized in that The method of claim 1, Decoder for decoding the data transmitted from the counterpart communication terminal by the coding scheme More, The control unit controls to display the character information on the image through the output means in accordance with the decoded data Mobile communication terminal, characterized in that. The method of claim 4, wherein The decoder decompressing the data transmitted by the encoding scheme when the data is compressed. Mobile communication terminal, characterized in that. The method of claim 1, And said input means is at least one keypad, touch screen, touch pad, and voice recognition module. Generating image data from a camera; Generating text information corresponding to text input through a keypad; Encoding the image data and the text information to generate coded data for simultaneously displaying the text information on an image according to the image data in a counterpart communication terminal; And Transmitting the encoded data to the counterpart communication terminal. Including, And a text message transmission channel is not used to transmit the text information. The method of claim 7, wherein Decoding the data transmitted from the counterpart communication terminal by the encoding method and displaying the character information on the image through an output means according to the decoded data; Character transmission method using the image channel of the mobile communication terminal further comprising. The method of claim 7, wherein And compressing the encoded data. The method of claim 1, further comprising compressing the encoded data. A computer-readable recording medium having recorded thereon a program for executing the method of claim 7.

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