KR100689455B1 - Memory expansion pack for offering contents to wireless terminal - Google Patents

Abstract

According to an aspect of the present invention, there is provided a memory expansion pack for providing contents to a mobile terminal, comprising: a memory for storing contents, a frequency modulation reception unit for receiving audio data from an external device through a specific frequency channel, and an operation of the memory expansion pack; A control unit which controls to transmit the contents stored in the memory and the audio data received through the FM receiving unit to the portable terminal, and outputs the contents through the external output device when connected to an external output device, Computer) and an ear jack for downloading contents from the PC and a connection unit connected to the portable terminal. Accordingly, the present invention provides an memory expansion pack in which contents are stored, thereby providing an opportunity for a user of a portable terminal to use various contents of a large capacity. In addition, it can provide high quality services by overcoming the limitations of memory and reduce the cost of wireless data communication.

Memory Expansion Pack, Earphone, External Speaker, MP3 Control Key, Second Memory, Third Memory

Description

MEMORY EXPANSION PACK FOR OFFERING CONTENTS TO WIRELESS TERMINAL}             

1 is a view illustrating a state in which a memory expansion pack is connected to a mobile terminal through a connection unit according to an embodiment of the present invention.

2 is a diagram illustrating a configuration of a memory expansion pack according to a first embodiment of the present invention connected to a mobile terminal.

3 is a diagram illustrating a configuration of a memory expansion pack according to a second embodiment of the present invention connected to a mobile terminal.

4 is a diagram illustrating a configuration of a memory expansion pack according to a third embodiment of the present invention connected to a mobile terminal.

5 is a diagram illustrating a configuration of a memory expansion pack according to a fourth embodiment of the present invention connected to a portable terminal.

6 is a view illustrating a state in which a memory expansion pack according to an embodiment of the present invention is connected to an earphone connected to a mobile terminal.

7 is a flowchart illustrating a process of providing an MP3 content by connecting a memory expansion pack having an internal memory to a portable terminal according to an exemplary embodiment of the present invention.

8 is a flowchart illustrating a process of providing an MP3 content by connecting a memory expansion pack having a removable memory according to an embodiment of the present invention to a portable terminal.

FIG. 9 is a flowchart illustrating a process of providing an MP3 content by connecting a memory expansion pack having an internal memory and a removable memory according to a third embodiment of the present invention to a portable terminal; FIG.

10 is a flowchart illustrating a process of controlling a call signal during output of an MP3 file in a portable terminal to which a memory expansion pack is connected according to an exemplary embodiment of the present invention.

The present invention relates to a memory expansion pack in which content is stored, and more particularly, to an apparatus and method for providing content stored in the expansion pack by connecting the memory expansion pack to the portable terminal.

Portable terminals have become commonplace among the general public due to rapid spread, and accordingly, portable terminals having a complex concept in which various functions are added to satisfy consumer needs in addition to simple call functions are being developed. In addition, supply chains for diverse and dynamic contents are being visualized due to the opening of wireless networks, rapid evolution of wireless networks, and the expansion of high-end terminals. It is a topic.

In particular, by providing a portable terminal with an MP3 playback function that was previously available only through an MP3 player, the user of the portable terminal can conveniently listen to music through a portable terminal that is always carried. However, in order to listen to the MP3 file through the portable terminal as described above, the user must store the downloaded MP3 file in the memory of the portable terminal. There is a limited amount of 4-5 songs.

Accordingly, an object of the present invention is to provide an apparatus and method for variously providing a large amount of content to a mobile terminal through a separate memory expansion pack in which content is stored.
According to an aspect of the present invention, there is provided a memory expansion pack for providing content to a mobile terminal, the memory storing content, a FM (Frequency Modulation) receiving unit for receiving audio data from an external device through a set specific frequency channel; A control unit which controls the operation of the memory expansion pack and transmits the content stored in the memory and the audio data received through the FM receiver to the portable terminal, and when the external output device is connected to the content, the content through the external output device. And an ear jack for downloading contents from the PC when connected to a personal computer, and a connection part connected to the portable terminal.

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In addition, the present invention provides a memory expansion pack for providing content to a mobile terminal, FM (Frequency Modulation) receiving unit for receiving audio data from an external device through a specific frequency channel set, MP3 (MPEG Audio Layer ~ 3) file data, recording A memory for storing data and audio data received through the FM receiver, an output through the external output device when connected to an external output device, an ear jack for downloading data from the PC when the PC is connected, and the portable device Characterized in that the connection portion is connected to the terminal.

In addition, the present invention is a memory expansion pack for providing content to a mobile terminal, FM (Frequency Modulation) receiving unit for receiving audio data from an external device through a specific frequency channel set, MP3 (MPEG Audio Layer ~ 3) file data, recording A memory for storing data and audio data received through the FM receiver, a decoder / encoder for decoding data stored in the memory, encoding data output from the converter, and data of an input analog signal as a digital signal. And converting the digital signal output from the decoder / encoder into an analog signal, and outputting the data through the external output device when connected to an external output device. It consists of an ear jack for downloading, and a connecting portion connected to the mobile terminal Gong.

In addition, the present invention provides a method for providing the content in a mobile terminal connected to the memory expansion pack for providing a variety of content, the mobile terminal is connected to the memory expansion pack, the process of automatically switching to the MP3 mode; Displaying a list of MP3 files stored in the memory when the memory of the memory expansion pack is selected according to a user's request in the MP3 mode; Playing the selected MP3 file based on the user's selection information from the displayed list of MP3 files; Downloading the selected MP3 file from the displayed list of MP3 files to the memory of the mobile terminal; Transmitting the selected MP3 file from the displayed list of MP3 files to a predetermined recipient; And a process of editing the selected MP3 file among the displayed MP3 file list.

DETAILED DESCRIPTION Hereinafter, a detailed description of preferred embodiments of the present invention will be described with reference to the accompanying drawings. It should be noted that the same components in the figures represent the same numerals wherever possible.

1 is a view illustrating a state in which a memory expansion pack is connected to a mobile terminal through a connection unit according to an embodiment of the present invention.

Referring to FIG. 1, the memory expansion pack 200 includes a memory in which content is stored, a controller for controlling content stored in the memory, an ear jack to which an earphone or a PC is connected to output or download the content, and a portable terminal. And a connection unit connected to the portable terminal 100 to provide content to 100.
The connection part may be formed of a connection line and a plug, and may be connected to the mobile terminal 100 through a connection line as shown in FIG. 1, or may be connected to the mobile terminal 100 through a plug. In addition, the connection unit may be connected to an external output device connected to the mobile terminal 100.

The memory may be a built-in expansion memory or a removable expansion memory, or may include both the built-in expansion memory and the removable expansion memory. The memory may back up the contents of the mobile terminal 100 and may download and store various contents downloaded from the PC. In addition, the memory contains various contents such as MP3, video, language / dictionary (foreign language conversation, video Korean-English dictionary), cartoon / game (PRG, strategy simulation, avatar, etc.), geographic information service (traffic, location tracking, etc.) Can be stored. The memory expansion pack 200 configured as described above is connected to a serial terminal of the portable terminal 100 to provide various contents to the portable terminal 100.

When providing the MP3 content to the portable terminal 100 through the memory expansion pack 200, the MP3 file is output through the earphone 300 or an external speaker which is an external output device connected to the memory expansion pack under the control of the portable terminal 100, It is output through 100 speakers.
2 to 6 are diagrams illustrating a state in which a memory expansion pack 200 configured according to an embodiment of the present invention is connected to a mobile terminal, and particularly, a configuration of a memory expansion pack 200 for providing MP3 contents to the mobile terminal 100. to be. Referring to FIGS. 2 to 6, an operation in which the MP3 file of the memory expansion pack 200 is provided to the portable terminal and output is described in detail.

2 is a diagram illustrating a configuration of a memory expansion pack according to a first embodiment of the present invention connected to a portable terminal. In the first embodiment of the present invention, it is assumed that the memory expansion pack is connected to the mobile terminal by using a connection line of the memory expansion pack, and the earphone is inserted into an external output device to output the audio signal.

Referring to FIG. 2, in the portable terminal 100, the first controller 110 performs a function of controlling the overall operation of the portable terminal. In addition, the first controller 110 controls the MP3 file stored in the second memory 230 of the memory expansion pack 200 to be output through the decoder / encoder 140 according to an embodiment of the present invention.
In addition, the first controller 110 may selectively modify, delete, and add the MP3 file stored in the second memory 230 of the memory expansion pack 200 according to an embodiment of the present invention, and the MP3 file stored in the second memory 230 of the memory expansion pack 200. May be controlled to be stored in the first memory 130. In addition, the first controller 110 plays, rewinds / fastens, stops / pauses the MP3 file stored in the second memory 230 of the expansion pack 200 according to the input of the MP3 control key provided in the key input unit 127 according to an embodiment of the present invention. And control the volume control. In the embodiment of the present invention, the MP3 control key represents a key that enables playback, rewind / fast forward, stop / pause, and volume control of an MP3 file.
The first controller 110 may control the MP3 file stored in the second memory 230 of the memory expansion pack 200 to be transmitted to a predetermined receiver according to an exemplary embodiment of the present invention. In addition, when a call occurs while the MP3 file is output, the first controller 110 controls the second controller 210 of the memory expansion pack 200 to pause the output of the MP3 file and notify the user of the call occurrence. In addition, the first controller 110 controls to output the audio data received through the FM receiver 280 of the memory expansion pack 200 in the FM receiver mode in accordance with an embodiment of the present invention, the audio data received through the FM receiver 280 to the decoder / It can be controlled to encode and store through the encoder 140.
According to an embodiment of the present invention, the first control unit 110 controls the audio data input in the recording mode to be encoded through the decoder / encoder 140 and stored in the first memory 130 or the second memory 230 of the memory expansion pack 200.

The decoder / encoder 140 decodes the MP3 file output from the first controller 110, and the converter 150 converts the MP3 file of the digital audio signal decoded by the decoder / encoder 140 into an analog audio signal to the first ear jack 160. Output

In addition, the converter 150 converts the audio data of the analog signal input in the FM reception mode and the recording mode into a digital audio signal under the control of the first controller 110, and the decoder / encoder 140 converts the audio of the digital signal converted by the converter 150. The data is encoded and stored in the second memory 230 of the first memory 130 or the memory expansion pack 200.

The first ear jack 160 is connected to the connection line 401 of the memory expansion pack 200, and outputs the MP3 file of the digital signal provided by the memory expansion pack 200 to the first controller 110, and outputs the MP3 file of the analog signal output from the converter 150 to the memory expansion pack. To 200.

In addition, the first ear jack 160 outputs the audio data output through the FM receiver 280 of the memory expansion pack 200 to the first controller 110 in the FM reception mode, and outputs the audio data of the analog signal output from the converter 150 to the memory expansion pack 200. do. In addition, the first ear jack 160 outputs audio data input through the microphone provided in the memory expansion pack 200 or the earphone 300 to the first controller 110 in the recording mode.

The first memory 130 may include program memory and data memories. The program memory may store programs for controlling a general operation of the portable terminal and programs for controlling an MP3 file provided by the memory expansion pack 200 connected to the portable terminal according to an embodiment of the present invention. In addition, the data memory temporarily stores data generated during the execution of the programs. In addition, the first memory 130 may download and store the MP3 file stored in the second memory 230 of the expansion pack 200 according to an embodiment of the present invention.

In addition, the first memory 130 may store audio data input in a recording mode according to an embodiment of the present invention. In addition, the first memory 130 may store audio data received in the FM reception mode according to an embodiment of the present invention.

The display unit 160 displays user data output from the first controller 110. Herein, the display unit 160 may use an LCD. In this case, the display unit 160 may include an LCD controller, a memory capable of storing image data, an LCD display device, and the like. In this case, when the LCD is implemented using a touch screen method, the display unit 160 may operate as an input unit. In addition, the display unit 160 may display the MP3 file stored in the second memory 230 of the memory expansion pack 200 according to an exemplary embodiment of the present invention.

The key input unit 127 includes keys for inputting numeric and character information and function keys for setting various functions. In addition, the key input unit 127 may include an MP3 file control key according to an embodiment of the present invention.

The second controller 210 of the memory expansion pack 200 transmits the MP3 file of the digital audio signal stored in the second memory 230 to the first controller 110 of the portable terminal 100 through the connection line 401, and the MP3 of the analog audio signal received from the first controller 110. Control to output the file to the earphone 300 connected to the second ear jack 260. In addition, the second controller 210 controls the MP3 file downloaded from the PC to be stored in the second memory 230 when connected to a PC (not shown) through the second ear jack 260. When the call occurs during the output of the MP3 file, the second controller 210 pauses the output of the MP3 file under the control of the first controller 110 and controls the user to notify the call occurrence.
The second controller 210 controls the audio data received through the FM receiver 280 to be transmitted to the first controller 110 of the mobile terminal 100 in the FM reception mode according to an embodiment of the present invention, and receives the audio data encoded by the mobile terminal 100. Control to store in the second memory 230.
According to an embodiment of the present invention, the second controller 210 controls to transmit the audio data input through the microphone included in the memory expansion pack 200 or the earphone 300 to the mobile terminal 100 in the recording mode, and the audio data encoded by the mobile terminal 100. If is received, it is controlled to store it in the second memory 230.

The MP3 file of the digital audio signal is stored in the second memory 230. In addition, the second memory 230 may store audio data input in a recording mode according to an exemplary embodiment of the present invention. In addition, the second memory 230 may store audio data received in the FM reception mode according to an embodiment of the present invention.

 The second ear jack 260 outputs the audio data received through the MP3 file and the FM receiver 280 through the earphone 300 when connected to the earphone 300, and the MP3 file downloaded from the PC to the second controller 210 when connected to the PC. send.

The MP3 control key 270 may be provided in the memory expansion pack 200 to control the MP3 file, or may be provided in the earphone 300 to control the MP3 file. In addition, the memory expansion pack 200 is provided with a microphone, it is possible to input a voice signal in the call mode.

The FM receiver 280 receives an audio signal whose frequency is modulated from an external device into a specific frequency channel (for example, a frequency channel without an authorized broadcast among the frequency channels between 88.1 and 108 MHz). Here, in order to view the audio signal received through the external device in the portable terminal 100, it is assumed that a specific frequency channel set by the user must be set to the same FM radio frequency as the specific frequency channel of the external device.
Referring to FIG. 2, an operation of outputting an MP3 file from the mobile terminal 100 using the memory expansion pack 200 will be described.
When the connection line 401 of the memory expansion pack 200 is connected to the first ear jack 160 of the portable terminal 100, the first controller 110 detects this and switches the portable terminal 100 to the MP3 mode. When the user of the mobile terminal 100 selects the second memory 230 of the memory expansion pack 200 in the MP3 mode, the first controller 110 detects this and displays a list of the MP3 files stored in the second memory 230 on the display unit 160. When the user selects to play a predetermined MP3 file in the displayed list of MP3 files, the second controller 210 transmits the MP3 file of the digital signal stored in the second memory 230 to the first controller 110.
When the first controller 110 converts the MP3 file of the digital signal into an MP3 file of the analog signal through the decoder / encoder 140 and the converter 150 and transmits it to the second controller 210, the second controller 210 converts the MP3 file of the analog signal. This is output to the earphone 300 connected to the second ear jack 260.

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On the other hand, in the FM reception mode, the audio data received through the FM receiver 280 of the memory expansion pack 200 is transmitted to the portable terminal 100 is converted into an analog signal, the audio data converted into the analog signal is transmitted to the memory expansion pack 200 is second It is output through the earphone 300 inserted into the jack 260.
When the storage function is selected based on user input information (eg, key input) in the FM reception mode, audio data received through the FM receiver 280 is converted into a digital signal through the converter 150 of the mobile terminal 100. The audio data is encoded by the decoder / encoder 140 and stored in the first memory 130 and the second memory 230.
In addition, in the recording mode, the audio data input through the microphone (not shown) of the mobile terminal 100 or the microphone (not shown) provided in the earphone 300 connected to the memory expansion pack 200 is converted into a digital signal through the conversion unit 150 of the mobile terminal 100. The encoder is encoded by the decoder / encoder 140 and stored in the first memory 130 and the second memory 230.

3 is a diagram illustrating a configuration of a memory expansion pack according to a second embodiment of the present invention connected to a mobile terminal. In the second embodiment of the present invention, it is assumed that the memory expansion pack is connected to the portable terminal by using the connection line of the memory expansion pack, and the earphone is inserted into an external output device to output the audio signal.

Referring to FIG. 3, in the portable terminal 100, the first controller 110 performs a function of controlling the overall operation of the portable terminal. In addition, the first controller 110 detects whether the third memory 250 is inserted into the memory expansion pack 200 according to an exemplary embodiment of the present invention, and reads the MP3 file stored in the third memory 250 to detect the insertion of the third memory 250. Control to output to 140. In addition, the first controller 110 may selectively modify, delete, and add an MP3 file stored in the third memory 250 of the memory expansion pack 200 according to an embodiment of the present invention. Can be controlled to save to.
According to an embodiment of the present invention, the first controller 110 may play, rewind, fast forward, stop / pause, and adjust the volume of the MP3 file stored in the third memory 250 according to the input of the MP3 control key provided in the key input unit 127. Control it to be possible. In addition, the first controller 110 may control the MP3 file stored in the third memory 250 of the memory expansion pack 200 to be transmitted to a predetermined receiver according to an exemplary embodiment of the present invention.
When a call occurs while the MP3 file is output, the first controller 110 controls the second controller 210 of the memory expansion pack 200 to temporarily stop the output of the MP3 file and notify the user of the call occurrence. In addition, the first controller 110 controls to output audio data received through the FM receiver 280 of the memory expansion pack 200 in the FM reception mode according to an embodiment of the present invention, and decoder / encoder 140 receives the audio data received through the FM receiver 280. By encoding through the control, it can be controlled to be stored in the first memory 130 or the third memory 250.
According to an embodiment of the present disclosure, the first controller 110 may control to encode the audio data input in the recording mode through the decoder / encoder 140 and store it in the first memory 130 or the third memory 250.

The decoder / encoder 140 decodes the MP3 file output from the first controller 110, and the converter 150 converts the MP3 file of the digital audio signal decoded by the decoder / encoder 140 into an analog audio signal and outputs the analog audio signal to the first ear jack 160.
The converter 150 converts the audio data of the analog signal input in the FM reception mode and the recording mode into a digital audio signal under the control of the first controller 110, and the decoder / encoder 140 converts the audio data of the digital signal converted by the converter 150. Is encoded and stored in the first memory 130 or the third memory 250.

The first ear jack 160 is connected to the connection line 401 of the memory expansion pack 200, and outputs the MP3 file of the digital signal provided by the memory expansion pack 200 to the first controller 110, and outputs the MP3 file of the analog signal output from the converter 150 to the memory expansion pack. To 200. In addition, the ear jack 160 outputs the audio data output through the FM receiver 280 in the FM reception mode to the first controller 110, and outputs the audio data of the analog signal output from the converter 150 to the memory expansion pack 200. In addition, the ear jack 160 outputs audio data input through the microphone of the earphone 300 in the recording mode to the first controller 110.

The first memory 130 may include program memory and data memories. The program memory may store programs for controlling a general operation of the portable terminal and programs for controlling an MP3 file provided by the memory expansion pack 200 connected to the portable terminal 100 according to an embodiment of the present invention. In addition, the data memory temporarily stores data generated during the execution of the programs. In addition, the first memory 130 may download and store the MP3 file stored in the third memory 250 of the memory expansion pack 200 according to an exemplary embodiment of the present invention.
The first memory 130 may store audio data input in a recording mode according to an embodiment of the present invention. In addition, the first memory 130 may store audio data received in the FM reception mode according to an embodiment of the present invention.

The display unit 160 displays user data output from the controller 110. The display unit 160 may use an LCD. In this case, the display unit 160 may include an LCD controller, a memory capable of storing image data, and an LCD display device. In this case, when the LCD is implemented using a touch screen method, the LCD may operate as an input unit. In addition, the display unit 160 may display an MP3 file stored in the third memory 250 of the memory expansion pack 200 according to an exemplary embodiment of the present invention. The key input unit 127 includes keys for inputting numeric and character information and function keys for setting various functions. In addition, the key input unit 127 may include an MP3 file control key according to an embodiment of the present invention.

The second controller 210 of the memory expansion pack 200 transmits the MP3 file of the digital audio signal stored in the third memory 250 to the first controller 110 of the mobile terminal 100 through the connection line 401, and the MP3 of the analog audio signal received from the first controller 110. Control to output the file to the earphone 300 connected to the second ear jack 260. In addition, the second controller 210 controls the MP3 file downloaded from the PC to be stored in the third memory 250 when the PC is connected through the second ear jack 260. When a call occurs during the output of the MP3 file, the control of the first controller 110 pauses the output of the MP3 file and notifies the user of the call occurrence. In addition, the second controller 210 controls the audio data received through the FM receiver 280 to be transmitted to the first controller 110 of the mobile terminal 100 in the FM reception mode according to an embodiment of the present invention, and receives the encoded audio data from the mobile terminal 100. Control to store the data in the third memory 250.
According to an embodiment of the present invention, the second controller 210 controls to transmit audio data input through the microphone included in the memory expansion pack 200 or the earphone 300 to the mobile terminal 100 in the recording mode, and receives the encoded audio data from the mobile terminal 100. Control to store the data in the third memory 250.

The third memory 250 is a removable expansion memory. The third memory 250 may be attached to the socket 255 of the memory expansion pack 200 to provide an MP3 file, or may be detached and carried separately. The MP3 file of the digital audio signal is stored in the third memory 250.
The third memory 250 may store audio data input in a recording mode according to an embodiment of the present invention. In addition, the third memory 250 may store audio data received in the FM reception mode according to an embodiment of the present invention.

The second ear jack 260 outputs the audio data received through the MP3 file and the FM receiver 280 through the earphone 300 when connected to the earphone 300, and transmits the MP3 file downloaded from the PC to the second controller 210 when connected to the PC. do.

The MP3 control key 270 may be provided in the memory expansion pack 200 to control the MP3 file, or may be provided in the earphone 300 to control the MP3 file. In addition, the memory expansion pack 200 is provided with a microphone, it is possible to input a voice signal in the call mode.

The FM receiver 280 receives an audio signal frequency-modulated from a external device into a specific frequency channel set by a user (a frequency channel without an authorized broadcast among the frequency channels between 88.1 and 108 MHz). In this case, in order to view the audio signal received through the external device on the portable terminal 100, it is assumed that the same radio frequency as the specific frequency channel of the external device set by the user must be set.

Referring to FIG. 3, an operation of outputting an MP3 file from the mobile terminal 100 through the memory expansion pack 200 will be described.
When the connection line 401 of the memory expansion pack 200 is connected to the first ear jack 160 of the portable terminal 100, the first controller 110 detects this and switches the portable terminal 100 to the MP3 mode.
When the user of the portable terminal 100 selects the third memory 250 of the memory expansion pack 200 in the MP3 mode, the first controller 110 detects this, determines whether the third memory 250 is inserted into the memory expansion pack 200, and then inserts the third memory 250. If so, the display unit 160 displays a list of MP3 files stored in the third memory 250.
When the user selects to play a predetermined MP3 file in the displayed list of MP3 files, the second controller 210 transmits the MP3 file of the analog signal stored in the third memory 250 to the first controller 110. The first controller 110 converts the MP3 file of the digital signal into an MP3 file of the analog signal through the decoder / encoder 140 and the converter 150 and transmits the converted MP3 file to the second controller 210. Subsequently, the second controller 210 outputs the MP3 file of the analog signal to the earphone 300 connected to the second ear jack 260.
In the second embodiment of the present invention, the earphone 300 is inserted into the second ear jack 260 of the memory expansion pack 200. However, not only the earphone 300 but also an external output device such as an external speaker is inserted to output an audio signal. can do.
In addition, in the FM reception mode, the audio data received through the FM receiver 280 of the memory expansion pack 200 is transmitted to the mobile terminal 100 and converted into an analog signal, and the audio data converted into the analog signal is transmitted to the memory expansion pack 200 and the second earphone jack. It is output through the earphone 300 inserted in the 260.
When the storage function is selected based on user input information (eg, key input) in the FM reception mode, audio data received through the FM receiver 280 is converted into a digital signal through the converter 150 of the mobile terminal 100. The audio data is encoded by the decoder / encoder 140 and stored in the first memory 130 and the third memory 250.
In addition, in the recording mode, the audio data input through the microphone (not shown) of the mobile terminal 100 or the microphone (not shown) provided in the earphone 300 connected to the memory expansion pack 200 is converted into a digital signal through the conversion unit 150 of the mobile terminal 100. The data is encoded by the decoder / encoder 140 and stored in the first memory 130 and the third memory 250.

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4 is a diagram illustrating a configuration of a memory expansion pack according to a third embodiment of the present invention connected to a mobile terminal. In the third embodiment of the present invention, it is assumed that the memory expansion pack is connected to the mobile terminal using the connection line of the memory expansion pack, and the earphone is inserted into an external output device to output the audio signal.

Referring to FIG. 4, in the portable terminal 100, the first controller 110 performs a function of controlling the overall operation of the portable terminal 100. In addition, the first controller 110 reads the MP3 files stored in the second memory 230 which is the internal expansion memory of the memory expansion pack 200 and the third memory 250 which is the removable expansion memory, and outputs the MP3 files to the decoder / encoder 140 according to an embodiment of the present invention. . When the user selects the third memory 250, the first controller 110 determines whether the third memory 250 is inserted into the memory expansion pack 200. In addition, the first controller 110 can selectively modify, delete, and add MP3 files stored in the second memory 230 and the third memory 250 of the memory expansion pack 200 according to an embodiment of the present invention. The MP3 file stored in 250 may be controlled to be stored in the first memory 130.
According to an embodiment of the present invention, the first controller 110 plays, rewinds / fast forwards, and plays back MP3 files stored in the second memory 230 and the third memory 250 of the memory expansion pack 200 according to the input of the MP3 control key provided in the key input unit 127. Control to enable stop / pause and volume control. In addition, the first controller 110 may control to transmit the MP3 files stored in the second memory 230 and the third memory 250 of the memory expansion pack 200 to a predetermined receiver according to an exemplary embodiment of the present invention.
When a call occurs while the MP3 file is output, the first controller 110 controls the second controller 210 of the memory expansion pack 200 to temporarily stop the output of the MP3 file and notify the user of the call occurrence. In addition, the first controller 110 controls to output audio data received through the FM receiver 280 of the memory expansion pack 200 in the FM reception mode according to an embodiment of the present invention, and decoder / encoder 140 receives the audio data received through the FM receiver 280. By encoding through the control to store in the second memory 230 and the third memory 250 of the first memory 130 or memory expansion pack 200.
According to an embodiment of the present invention, the first controller 110 encodes the audio data input in the recording mode through the decoder / encoder 140 and stores the encoded audio data in the first memory 130 or the second memory 230 and the third memory 250 of the memory expansion pack 200. do.

The decoder / encoder 140 decodes the MP3 file output from the first controller 110, and the converter 150 converts the MP3 file of the digital audio signal decoded by the decoder / encoder 140 into an analog audio signal and outputs the analog audio signal to the first ear jack 160. . In addition, the converter 150 converts the audio data of the analog signal input in the FM reception mode and the recording mode into a digital audio signal under the control of the first controller 110, and the decoder / encoder 140 converts the audio data of the digital signal converted by the converter 150. Is encoded and stored in the second memory 230 and the third memory 250 of the first memory 130 or the memory expansion pack 200.

The first ear jack 160 is connected to the connection line 401 of the memory expansion pack 200, and outputs the MP3 file of the digital signal provided by the memory expansion pack 200 to the first controller 110, and outputs the MP3 file of the analog signal output from the converter 150 to the memory expansion pack. To 200. In addition, the first ear jack 160 outputs the audio data output through the FM receiver 280 of the memory expansion pack 200 to the first controller 110 in the FM reception mode, and stores the audio data of the analog signal output from the converter 150 of the mobile terminal 100 in memory. Output to expansion pack 200. In addition, the first ear jack 160 outputs audio data input through the microphone of the earphone 300 to the first controller 110 in the recording mode.

The first memory 130 may include program memory and data memories. The program memory may store programs for controlling a general operation of the portable terminal and programs for controlling an MP3 file provided by the memory expansion pack 200 connected to the portable terminal according to an embodiment of the present invention. In addition, the data memory temporarily stores data generated during the execution of the programs.
The first memory 130 may download and store MP3 files stored in the second memory 230 and the third memory 250 of the memory expansion pack 200 according to an exemplary embodiment of the present invention. In addition, the first memory 130 may store audio data input in a recording mode according to an embodiment of the present invention. In addition, the first memory 130 may store audio data received in the FM reception mode according to an embodiment of the present invention.

The display unit 160 displays user data output from the controller 110. The display unit 160 may use an LCD. In this case, the display unit 160 may include an LCD controller, a memory capable of storing image data, and an LCD display device. In this case, when the LCD is implemented using a touch screen method, the LCD may operate as an input unit. The display unit 160 may display MP3 files stored in the second memory 230 and the third memory 250 of the memory expansion pack 200 according to an exemplary embodiment of the present invention. The key input unit 127 includes keys for inputting numeric and character information and function keys for setting various functions. In addition, the key input unit 127 may include an MP3 file control key according to an embodiment of the present invention.

The second controller 210 of the memory expansion pack 200 transmits the MP3 file of the digital audio signal stored in the second memory 230 and the third memory 250 to the first controller 110 of the mobile terminal 100 through the connection line 401, and received by the first controller 110. The MP3 file of the analog audio signal is controlled to be output to the earphone 300 connected to the second ear jack 260. In addition, when the PC is connected through the second ear jack 260, the second controller 210 controls to download the MP3 file from the PC and to store the downloaded MP3 file in the second memory 230 and the third memory 250. At this time, if a call occurs during the output of the MP3 file, the second controller 210 pauses the output of the MP3 file under the control of the first controller 110 and controls the user to notify the call occurrence.
According to an embodiment of the present invention, the second controller 210 controls the audio data received through the FM receiver 280 to be transmitted to the first controller 110 of the mobile terminal 100 in the FM reception mode, and receives the audio data encoded by the mobile terminal 100. Control to store in the second memory 230 and the third memory 250.
In addition, the second controller 210 controls to transmit the audio data input through the microphone provided in the memory expansion pack 200 or the earphone 300 in the recording mode to the mobile terminal 100 in accordance with an embodiment of the present invention, the audio data encoded in the mobile terminal 100 When receiving the control to control to store in the second memory 230 and the third memory 250.

The second memory 230 is a built-in expansion memory to store the MP3 file of the digital audio signal, and the third memory 250 stores the MP3 file of the digital audio signal as a removable memory. The third memory 250 may be attached to the socket 255 of the expansion pack 200 to provide an MP3 file, or may be detached and carried separately. The second memory 230 and the third memory 250 may store audio data input in a recording mode according to an exemplary embodiment of the present invention. In addition, the second memory 230 and the third memory 250 may store audio data received in the FM reception mode according to an embodiment of the present invention.

The second ear jack 260 outputs the audio data received through the MP3 file and the FM receiver 280 through the earphone 300 when connected to the earphone 300, and transmits the MP3 file downloaded from the PC to the second controller 210 when connected to the PC. do.
The MP3 control key 270 may be provided in the memory expansion pack to control the MP3 file, or may be provided in the earphone 300 to control the MP3 file. In addition, the memory expansion pack 200 is provided with a microphone, it is possible to input a voice signal in the call mode.
The FM receiver 280 receives an audio signal that is frequency-modulated to a specific frequency channel (the frequency channel without an authorized broadcast among the frequency channels between 88.1 and 108 MHz) set by the user from an external device. Here, it is assumed that the audio signal received through the external device must be set to the same FM radio frequency as a specific frequency channel of the external device set by the user.

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Referring to FIG. 4, an operation of outputting an MP3 file from the mobile terminal 100 through the memory expansion pack 200 will be described.
When the connection line 401 of the memory expansion pack 200 is connected to the first ear jack 160 of the portable terminal 100, the first controller 110 detects this and switches the portable terminal 100 to the MP3 mode. When the user of the portable terminal 100 selects the second memory 230 or the third memory 250 of the memory expansion pack 200 in the MP3 mode, the first controller 110 displays a list of MP3 files stored in the selected memory. When the user selects to play a predetermined MP3 file in the displayed list of MP3 files, the second controller 210 transmits the MP3 file of the digital signal stored in the selected memory to the first controller 110.
The first controller 110 converts the MP3 file of the digital signal into an MP3 file of the analog signal through the decoder / encoder 140 and the converter 150 and transmits the converted MP3 file to the second controller 210. Subsequently, the second controller 210 outputs the MP3 file of the analog signal to the earphone 300 connected to the second ear jack 260.
In the third embodiment of the present invention, the earphone 300 is inserted into the second ear jack 260 of the memory expansion pack 200. However, not only the earphone 300 but also an external output device such as an external speaker is inserted to output an audio signal. can do.
In addition, in the FM reception mode, the audio data received through the FM receiver 280 of the memory expansion pack 200 is transmitted to the portable terminal to be converted into an analog signal, and the audio data converted into the analog signal is transmitted to the memory expansion pack 200 to be connected to the second earphone jack. It is output through the earphone 300 inserted in the 260.
When the storage function is selected based on user input information (eg, key input) in the FM reception mode, audio data received through the FM receiver 280 is converted into a digital signal through the converter 150 of the mobile terminal 100. The audio data is encoded through the decoder / encoder 140 and stored in the first memory 130 of the mobile terminal 100 or the second memory 230 and the third memory 250 of the memory expansion pack 200.
In addition, in the recording mode, the audio data input through the microphone (not shown) of the mobile terminal 100 or the microphone (not shown) provided in the earphone 300 connected to the memory expansion pack 200 is converted into a digital signal through the conversion unit 150 of the mobile terminal 100. The encoder is encoded through the decoder / encoder 140 and stored in the first memory 130 of the portable terminal 100 or the second memory 230 and the third memory 250 of the memory expansion pack 200.

5 is a diagram illustrating a configuration of a memory expansion pack according to a fourth embodiment of the present invention connected to a portable terminal. In the fourth embodiment of the present invention, it is assumed that the memory expansion pack is directly connected to the portable terminal, and the earphone is inserted into an external output device to output the audio signal. In addition, in the fourth embodiment of the present invention, it is assumed that the memory expansion pack includes one built-in memory. However, the memory expansion pack may include a removable memory as shown in FIG. 3, and a removable memory as shown in FIG. 4. It may be further provided.

Referring to FIG. 5, in the portable terminal 100, the first controller 110 performs a function of controlling the overall operation of the portable terminal 100. In addition, the first controller 110 may selectively modify, delete, and add an MP3 file stored in the second memory 230 of the memory expansion pack 200 according to an embodiment of the present invention. Can be controlled to save to.
According to an embodiment of the present invention, the first controller 110 plays, rewinds, fastens, stops, pauses, and plays back an MP3 file stored in the second memory 230 of the memory expansion pack 200 according to the input of the MP3 control key provided in the key input unit 127. Control the volume control. That is, in the embodiment of the present invention, the MP3 control key represents a key that enables playback, rewind / fast forward, stop / pause, and volume control of an MP3 file.
According to an embodiment of the present disclosure, the first controller 110 may control the MP3 file stored in the second memory 230 of the memory expansion pack 200 to be transmitted to a predetermined receiver. In addition, when a call occurs while the MP3 file is output, the first controller 110 controls the second controller 210 of the memory expansion pack 200 to pause the output of the MP3 file and notify the user of the call occurrence.
The first controller 110 controls to output audio data received through the FM receiver 280 of the memory expansion pack 200 in the FM receiving mode, and includes the audio data received through the FM receiver 280 in the memory expansion pack 200. It encodes through the decoder / encoder 240 is stored in the first memory 130 or the second memory 230 of the memory expansion pack 200.
The first controller 110 encodes the audio data input in the recording mode through the decoder / encoder 240 of the memory expansion pack 200 and stores the encoded audio data in the first memory 130 or the second memory 230.

The first ear jack 160 is connected to the plug 402 of the memory expansion pack 200 to read an MP3 file stored in the memory expansion pack 200. In addition, the first ear jack 160 outputs the audio data encoded through the decoder / encoder 240 of the memory expansion pack 200 to the first controller 110 in the FM reception mode.
The first ear jack 160 is input through a microphone provided in the memory expansion pack 200 or the earphone 300 in the recording mode to output the audio data encoded in the memory expansion pack 200 to the first controller 110.

The first memory 130 may be composed of a program memory and a data memory. The program memory may store programs for controlling a general operation of the portable terminal and programs for controlling an MP3 file provided by the memory expansion pack 200 connected to the portable terminal 100 according to an embodiment of the present invention. In addition, the data memory temporarily stores data generated when the programs are executed.
In addition, the first memory 130 may download and store the MP3 file stored in the second memory 230 of the memory expansion pack 200 according to an exemplary embodiment of the present invention. In addition, the first memory 130 may store audio data input in a recording mode according to an embodiment of the present invention. In addition, the first memory 130 may store audio data received in the FM reception mode according to an embodiment of the present invention.

The display unit 160 displays user data output from the first controller 110. Herein, the display unit 160 may use an LCD. In this case, the display unit 160 may include an LCD controller, a memory capable of storing image data, an LCD display device, and the like. In this case, when the LCD is implemented using a touch screen method, the display unit 160 may operate as an input unit.
The display unit 160 may display the MP3 file stored in the second memory 230 of the memory expansion pack 200 according to an exemplary embodiment of the present invention.
The key input unit 127 includes keys for inputting numeric and character information and function keys for setting various functions. In addition, the key input unit 127 may include an MP3 file control key according to an embodiment of the present invention.

The second controller 210 of the memory expansion pack 200 decodes the MP3 files stored in the first memory 130 and the second memory 230 selected by the user of the mobile terminal 100, and converts the MP3 file of the decoded digital signal into an MP3 file of an analog signal. After the control to output to the earphone 300 connected to the second ear jack 260. In addition, when the second controller 210 is connected to the PC through the second ear jack 260, the second controller 210 controls to download the MP3 file from the PC and store the downloaded MP3 file in the second memory 230. On the other hand, when a call occurs during the output of the MP3 file, the second controller 210 pauses the output of the MP3 file under the control of the first controller 110 and controls the user to notify the call occurrence.
According to an embodiment of the present invention, the second controller 210 converts the audio data received through the FM receiver 280 into an analog signal and outputs it to the earphone 300 inserted in the second ear jack 260 or transmits the same to the portable terminal 100.
According to an embodiment of the present invention, the second controller 210 encodes audio data input through a microphone provided in the memory expansion pack 200 or the earphone 300 in the recording mode, and stores the audio data in the second memory 230 or transmits the same to the portable terminal 100.

The decoder / encoder 240 decodes the MP3 file output from the second controller 210, and the converter 250 converts the MP3 file of the digital audio signal decoded by the decoder / encoder 240 into an analog audio signal and outputs it to the second ear jack 260. . The converter 250 converts the audio data of the analog signal input in the FM reception mode and the recording mode into a digital audio signal under the control of the second controller 210, and the decoder / encoder 240 converts the audio to the digital audio signal by the converter 250. Encode the data. The encoded audio data is stored in the second memory 230 or the first memory 130 of the portable terminal.

The second memory 230 stores the MP3 file of the digital audio signal. Also, the second memory 230 may store audio data input in the recording mode and audio data received in the FM reception mode according to an embodiment of the present invention.

The second ear jack 260 outputs the audio data received through the MP3 file and the FM receiver 280 through the earphone 300 when connected to the earphone 300, and transmits the MP3 file downloaded from the PC to the second controller 210 when connected to the PC. do.

The MP3 control key 270 may be provided in the memory expansion pack 200 to control the MP3 file, and may be provided in the earphone 300 to control the MP3 file. In addition, the memory expansion pack 200 is provided with a microphone, it is possible to input a voice signal in the call mode.

The FM receiver 280 receives an audio signal that is frequency-modulated to a specific frequency channel (the frequency channel without an authorized broadcast among the frequency channels between 88.1 and 108 MHz) set by the user from an external device. Here, in order to view the audio signal received through the external device on the portable terminal 100, it is assumed that the radio frequency set to the same FM radio frequency as a specific frequency channel of the external device set by the user.

Referring to FIG. 5, an operation of outputting an MP3 file from a mobile terminal through a memory expansion pack is as follows.
When the plug 402 of the memory expansion pack 200 is connected to the first ear jack 160 of the portable terminal 100, the first controller 110 detects this and switches the portable terminal 100 to the MP3 mode.
When the user of the portable terminal 100 selects the second memory 230 of the memory expansion pack 200 in the MP3 mode, the first controller 110 detects this and displays a list of the MP3 files stored in the second memory 230 on the display 160. When the user selects to play a predetermined MP3 file in the displayed list of MP3 files, the second controller 210 decodes the MP3 file of the digital signal stored in the second memory 230 through the decoder / encoder 240 and then decodes the decoded digital signal. Converts the MP3 file to an analog signal MP3 file through the conversion unit 250.
The second controller 210 outputs the MP3 file of the analog signal to the earphone 300 connected to the second ear jack 260.
Meanwhile, when the user of the portable terminal 100 selects the first memory 130 in the MP3 mode, the first controller 110 displays a list of MP3 files stored in the first memory 130 on the display unit 160. Subsequently, when the user selects to play a predetermined MP3 file in the displayed list of MP3 files, the first controller 110 transmits the MP3 file of the digital signal stored in the first memory 130 to the memory expansion pack 200. After receiving the MP3 file from the mobile terminal 100, the second controller 230 of the memory expansion pack 200 decodes the MP3 file through the decoder / encoder 240, and then decodes the MP3 file of the decoded digital signal through the converter 250. Convert to file.
The second controller 210 outputs the MP3 file of the analog signal to the earphone 300 connected to the second ear jack 260.
In the fourth embodiment of the present invention, the earphone 300 is inserted into the second ear jack 260 of the memory expansion pack 200. However, the external ear device such as an external speaker is inserted into the second ear jack 260. Can output an audio signal.
In addition, the audio data received through the FM receiver 280 of the memory expansion pack 200 in the FM reception mode is converted into an analog signal in the memory expansion pack 200 and output to the earphone 300, or transmitted to the portable terminal 100 and output.
When the storage function is selected based on user input information (eg, key input) in the FM reception mode, audio data received through the FM receiver 280 is converted into a digital signal through the converter 250 of the memory expansion pack 200. The audio data is encoded through the decoder / encoder 240 and stored in the first memory 130 of the portable terminal and the second memory 230 of the memory expansion pack 200.
In addition, the audio data input through the microphone (not shown) of the mobile terminal 100 or the microphone (not shown) included in the earphone 300 connected to the memory expansion pack 200 in the recording mode is converted into a digital signal through the conversion unit 250 of the memory expansion pack 200. The encoder is encoded by the decoder / encoder 240 and stored in the first memory 130 of the portable terminal and the second memory 230 of the memory expansion pack 200.

6 is a view illustrating a state in which a memory expansion pack configured according to the first embodiment of the present invention is connected to an earphone connected to a mobile terminal.

Referring to FIG. 6, the memory expansion pack 200 is connected to the control device 310 of the earphone 300 connected to the portable terminal 100 using a plug 402. The control device 310 of the earphone 300 has control keys for controlling the audio signal output through the earphone 300, and also has a jack to which the memory expansion pack 200 can be connected. The configurations of the mobile terminal 100 and the memory expansion pack 200 may apply the same elements described in the above embodiments.
When the memory expansion pack 200 is connected to the earphone 300 connected to the portable terminal 100, an external output device such as another earphone may be connected to the second ear jack 260 of the memory expansion pack 200. Therefore, an audio signal may be output through two earphones at the same time.
Referring to FIG. 6, an operation of outputting an MP3 file from the mobile terminal through the memory expansion pack will be described.
When the plug 402 of the memory expansion pack 200 is connected to the control device 310 of the earphone 300 connected to the portable terminal 100, the first controller 110 detects this and switches the portable terminal 100 to the MP3 mode.
When the user of the portable terminal 100 selects the second memory 230 of the memory expansion pack in the MP3 mode, the first controller 110 displays a list of MP3 files stored in the second memory 230 on the display unit 160. When the user selects to play a predetermined MP3 file in the displayed list of MP3 files, the second controller 210 transmits the MP3 file of the digital signal stored in the second memory 260 to the first controller 110. Then, the first controller 110 converts the MP3 file of the digital signal into an MP3 file of the analog signal through the decoder / encoder 140 and the converter 150 and transmits the MP3 file to the second controller 210. Subsequently, the second controller 210 outputs the MP3 file of the analog signal to the earphone 300. In this case, when another earphone 350 is connected to the second ear jack 260 of the memory expansion pack 200, the second controller 210 may detect the same and output the MP3 file to two earphones 300 and 350 simultaneously.
In addition, the audio data received through the FM receiver 280 of the memory expansion pack 200 in the FM reception mode is transmitted to the mobile terminal 100 is converted into an analog signal, the audio data converted to the analog signal is transmitted to the memory expansion pack 200 through the earphone 300 Is output.
When the storage function is selected based on user input information (eg, key input) in the FM reception mode, audio data received through the FM receiver 280 is converted into a digital signal through the converter 150 of the mobile terminal. The audio data is encoded through the decoder / encoder 140 and stored in the first memory 130 and the second memory 230.
In addition, in the recording mode, the audio data input through the microphone (not shown) of the portable terminal 100 or the microphone (not shown) included in the memory expansion pack 200 and the earphone 300 is converted into a digital signal through the conversion unit 150 of the portable terminal 100. It is encoded by the decoder / encoder 140 and stored in the first memory 130 and the second memory 230.

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The memory expansion pack 200 of FIG. 6 is described on the assumption that it has one built-in memory. However, the memory expansion pack 200 may include a removable memory as shown in FIG. 3, and may further include a removable memory as shown in FIG. 4. Can be. In addition, the memory expansion pack 200 may be connected to the control device 310 of the earphone 300 connected to the portable terminal 100 through a connection line as well as a plug.

The embodiments of the present invention have been described on the assumption that the earphone 300 is inserted into the second ear jack 260 of the memory expansion pack 200. However, the external earphone such as an external speaker as well as the earphone 300 is inserted into the second ear jack 260. Audio signals can be output. In addition, in the embodiment of the present invention, the FM receiver may be provided in the portable terminal 100 as well as the memory expansion pack 200.

7 is a flowchart illustrating a process of providing an MP3 content by connecting a memory expansion pack having an internal memory to a portable terminal according to an exemplary embodiment of the present invention.

First, when the process of FIG. 7 is described in detail with reference to FIG. 2, when the connection line 401 of the memory expansion pack 200 is inserted into the first ear jack 160 of the portable terminal 100, the first controller 110 detects this in step 501. Proceed to step 504 to switch to the mode. Alternatively, when the user of the portable terminal 100 selects a menu in the portable terminal 100, the first controller 110 detects it in step 502 and displays the type of the menu. Subsequently, when the user selects the MP3 mode among the displayed menu types, the first controller 110 detects it in step 503 and proceeds to step 504.

When the user selects the second memory 210 in the MP3 mode, the first controller 110 detects it in step 505, controls the second controller 210 to read the MP3 file stored in the second memory 230, and then reads the MP3 file. The display proceeds to step 506 of displaying the list on the display unit 160.
If the user selects the MP3 control key 270 while the MP3 file of the second memory is displayed, the first controller 110 detects it in step 513 and proceeds to step 514 in which the control key types of the MP3 file are displayed on the display unit 160. .
If the user selects to play a predetermined MP3 file in the displayed list of MP3 files in step 514, the first controller 110 detects it in step 515 and proceeds to step 516 of playing the selected MP3 file.
In operation 516, the second controller 210 transmits the MP3 file stored as a digital signal in the second memory 230 to the first controller 110 through the first ear jack 160 having the connection line 401 inserted therein under the control of the first controller 110. Upon receiving the MP3 file of the digital signal, the first controller 110 transmits the MP3 file of the digital signal to the decoder / encoder 140.
The decoder / encoder 140 decodes the MP3 file and transmits it to the converting unit 150. The converting unit 150 converts the MP3 file of the decoded digital signal into an analog signal and stores the memory through the connection line 401 inserted into the first ear jack 160. Send to Expansion Pack 200.
After receiving the MP3 file of the analog signal, the second controller 210 proceeds to step 516 of playing the MP3 file selected by the user through the earphone 300 connected to the second ear jack 260. If the earphone 300 is not connected to the second ear jack 260, the first controller 110 detects this and controls to output the MP3 file to the speaker of the portable terminal 100.

Meanwhile, when a call occurs while the MP3 file is output to the earphone, the first controller 110 detects it in step 801 of FIG. 10 and proceeds to step 803. In operation 803, the first controller 110 stops outputting the MP3 file to the memory expansion pack 200 and then controls the second controller 210 to notify the user of the call signal through the earphone 300. When the user recognizes a call occurrence and inputs a call key, the first controller 110 detects it in step 804 and proceeds to step 805 to perform a call. Subsequently, when the user finishes the call, the first controller 110 detects it in step 806 and proceeds to step 516 to play the MP3 file again. When the user who recognizes the call is inputted by the end key so as not to answer the call, the first controller 110 detects it in step 807 and proceeds to step 516 to play the MP3 file. Alternatively, if an SMS or alarm occurs while outputting the MP3 file, the second controller 210 temporarily stops outputting the MP3 file under the control of the first controller 110, and notifies the user of the SMS reception or alarm occurrence, and then returns the MP3 file. Control to output

In operation 506 in which the list of MP3 files stored in the second memory 230 is displayed, the first controller 110 detects the input of the menu key in step 517 and displays the MP3 control menus in operation 517.
When the user selects the MP3 edit menu in step 518, the first controller 110 detects this and switches to an edit mode in which the user can selectively add, modify, and delete the MP3 file stored in the second memory 230. At this time, if the user selects the MP3 download menu in step 518, the first controller 110 detects it in step 519 and selectively downloads the MP3 file stored in the second memory 230 to the first memory 130 or the first memory 130. In operation 520, the MP3 file stored in the storage device may be selectively downloaded and stored in the second memory 230. In addition, when the user selects the MP3 transmission menu in step 518, the first controller 110 detects this in step 521. In step 522, the MP3 file is selected from among MP3 files in the second memory 230. After selecting the number, the process proceeds to step 524 where the selected MP3 file is transmitted to the recipient's number.

In step 504, when the user selects the first memory 130, the first control unit 110 detects it in step 507, reads the MP3 file stored in the first memory 130, and displays the list of the MP3 files on the display unit 160. Proceed to step 508.
If the user selects the MP3 control key 270 while the MP3 file of the first memory 130 is displayed, the first controller 110 detects it in step 513 and proceeds to step 514 to display the control key types of the MP3 file on the display unit 160. .
When the user selects a play key of the selected MP3 file in step 514, the first controller 110 detects it in step 515 and proceeds to step 516 to play the selected MP3 file. In operation 516, the first controller 110 converts an MP3 file stored as a digital signal in the first memory 130 into an analog signal through the decoder / encoder 140 and the converter 150, and then stores the memory through a connection line 401 inserted into the first ear jack 160. Send to Expansion Pack 200. The second controller 210 receiving the MP3 file of the analog signal plays the MP3 file selected by the user through the earphone 300 connected to the second ear jack 260. At this time, if a call occurs during the playback of the MP3 file, steps 801 to 807 are performed under the control of the first controller 110 as described above. In addition, while the MP3 file of the first memory 130 is stored, the MP3 file is edited, downloaded, and transmitted to the first memory 130 through steps 517 to 524.

Secondly, referring to FIG. 5 in detail with reference to FIG. 5, when the plug 402 of the memory expansion pack 200 is inserted into the first ear jack 160 of the mobile terminal 100, the first control unit 110 detects this in step 501. And proceeds to step 504 to switch to the MP3 mode. Alternatively, when the user of the portable terminal 100 selects to play the MP3 file stored in the second memory 230 of the memory expansion pack 200 through steps 505 to 508 and 513 to 515, the first controller 110 detects this in step 515. In step 516, the selected MP3 file is played.
In operation 516, the second controller 210 decodes the MP3 file stored in the second memory 230 through the decoder / encoder 240 and controls the MP3 file of the decoded digital signal to be converted into an analog signal through the converter 250. The second controller 210 plays the MP3 file selected by the user through the earphone 300 connected to the second ear jack 260 of the MP3 file converted into the analog signal. At this time, if an external speaker is connected to the second ear jack 260, the MP3 file is played through the external speaker. If the earphone 300 is not connected to the second ear jack 260, the first controller 110 detects this and Control to output the MP3 file to the speaker of the portable terminal 100.

If a call occurs while outputting the MP3 file to the earphone 300, the call signal is controlled through steps 801 to 807 of FIG. In operation 517 to 524, the MP3 file stored in the second memory 230 and the first memory 130 may be edited, downloaded, and transmitted.

Third, the process of FIG. 7 with reference to FIG. 6 will be described in detail. When the plug 402 of the memory expansion pack 200 is inserted into the control device 310 of the earphone 300 connected to the portable terminal 100, the first controller 110 is set to 501. In step 504 it detects this and switches to MP3 mode. Alternatively, when the user of the mobile terminal 100 selects the playback of the MP3 file stored in the second memory 230 of the memory expansion pack 200 through steps 505 to 508 and 513 to 515, the first controller 110 detects this in step 515. In step 516, the selected MP3 file is played.
In operation 516, the first controller 110 converts an MP3 file stored as a digital signal in the first memory 130 into an analog signal through the decoder / encoder 140 and the converter 150, and then inserts the plug 402 into the first ear jack 160. Transfer to memory expansion pack 200. The second controller 210 receiving the MP3 file of the analog signal plays the MP3 file selected by the user through the earphone 300.

If a call occurs while outputting the MP3 file to the earphone 300, the second controller 210 controls the call signal through steps 801 to 807 of FIG. In addition, operations 517 to 524 may perform a function of editing, downloading, and transmitting the MP3 files stored in the second memory 230 and the first memory 130.

In addition, when the portable terminal 100 selects the FM reception mode, the first controller 110 detects this and switches the portable terminal 100 to the FM reception mode.
In the FM reception mode, the memory expansion pack 200 receives audio data from an external device through the FM receiver 280, and the received audio data is transmitted to the mobile terminal 100. The first controller 110 of the portable terminal 100 converts the audio data into an analog signal through the converter 150 and outputs the converted audio signal to the memory expansion pack 200.
The second controller 210 of the memory expansion pack 200 outputs the audio data of the received analog signal to the earphone 300 connected to the second ear jack 260.
If the user receives the audio data storage request while receiving the audio data through the FM receiver 280, the first controller 110 detects this and converts the received audio data into a digital audio signal through the converter 150 of the mobile terminal 100. The encoder is encoded through the decoder / encoder 240 and stored in the first memory 130 or the second memory 230.

On the other hand, if the user's voice recording request is received from the mobile terminal 100, the first controller 110 detects this and switches the portable terminal 100 to the recording mode.
The first controller 110 converts the audio data of the analog signal input when the user inputs a voice through the microphone (not shown) or the microphone (not shown) included in the memory expansion pack 200 and the earphone 300 in the recording mode. After converting into a digital audio signal through the decoder / encoder 240 is encoded in the first memory 130 or the second memory 230.

8 is a flowchart illustrating a process of providing an MP3 content by connecting a memory expansion pack having a removable memory to a portable terminal according to an exemplary embodiment of the present invention.

Referring to FIG. 3, the process of FIG. 8 is described in detail. When the connection part (ie, the connection line 401) of the memory expansion pack is inserted into the first ear jack 160 of the mobile terminal 100, the first controller 110 detects the process in step 601. Proceed to step 604 to switch to the MP3 mode. Alternatively, when the user of the portable terminal 100 selects a menu in the portable terminal 100, the first controller 110 detects this in step 602 and displays the type of the menu. When the user selects the MP3 menu among the types of the menu, the first controller 110 detects it in step 603 and proceeds to step 604 to switch the portable terminal 100 to the MP3 mode.

When the user selects the third memory 250 in the MP3 mode in step 604, the first controller 110 detects it in step 605 and controls the second controller 210 to determine whether the third memory 250 is inserted into the socket 255. If the third memory 250 is not inserted into the socket 255, the first controller 110 detects this in step 606 and proceeds to step 608 in which an error message is displayed on the display unit 160. However, when the third memory 250 is inserted into the socket 255, the first controller 110 detects this in step 606 and controls the second controller 210 to read the MP3 file stored in the third memory 250, and then display the list of the MP3 files. Proceed to step 607 indicated on 160. In this case, when the user selects the MP3 control key 270 while the MP3 file of the third memory 250 is displayed, the first controller 110 detects it in step 613 and displays 614 types of the control key 270 of the MP3 file on the display unit 160. Proceed to step.
If the user selects to play a predetermined MP3 file in the displayed list of MP3 files in step 614, the first controller 110 detects it and proceeds to step 616 in which the selected MP3 file is played.
In operation 616, the second controller 210 transmits the MP3 file stored as a digital signal in the third memory 250 to the first controller 110 through the first ear jack 160 having the connection line 402 inserted therein under the control of the first controller 110. The first controller 110 receiving the MP3 file of the digital signal transmits the MP3 file of the digital signal to the decoder / encoder 140.
The decoder / encoder 140 decodes the MP3 file and transmits the decoded MP3 file to the conversion unit 150. The conversion unit 150 converts the MP3 file of the decoded digital signal into an analog signal and stores the memory through a connection line 402 inserted into the first ear jack 160. Send to Expansion Pack 200.
After receiving the MP3 file of the analog signal, the second controller 210 proceeds to step 616 to play the MP3 file selected by the user through the earphone 300 connected to the second ear jack 260. If the earphone 300 is not connected to the second ear jack 260, the first controller 110 detects this and controls the MP3 file to be output to the speaker of the mobile terminal 100.
Meanwhile, when a call occurs while outputting the MP3 file to the earphone 300, the first controller 110 detects it in step 801 of FIG. 8 and proceeds to step 803. In operation 803, the first controller 110 stops outputting the MP3 file to the memory expansion pack 200 and then controls the second controller 210 to notify the user that a call has occurred through the earphone 300.

When the user recognizes a call occurrence and inputs a call key, the first controller 110 detects it in step 804 and proceeds to step 805 to perform a call. When the user finishes the call, the first controller 110 detects it in step 806 and proceeds to step 616 to play the MP3 file again. In addition, when the user who recognizes the call occurrence does not answer the call, the first controller 110 detects it in step 807 and proceeds to step 616 to play the MP3 file. In addition, if an SMS or an alarm occurs while outputting the MP3 file, the second controller 210 temporarily stops outputting the MP3 file under the control of the first controller 110, and notifies the user of receiving an SMS or an alarm, and then restarts the MP3 file. Control to output

In operation 607, when the list of the MP3 files stored in the third memory 250 is displayed, when the user inputs a menu key, the first controller 110 detects it in step 617 and proceeds to operation 618 in which the MP3 control menus are displayed.
When the user selects the MP3 editing menu in step 618, the first control unit 110 detects this and switches the portable terminal 100 to an editing mode in which the user can selectively add, modify, and delete the MP3 file stored in the third memory 250. do.
When the user selects the MP3 download menu in step 618, the first control unit 110 detects this in step 619 and selectively downloads an MP3 file stored in the third memory 250 to the first memory 130 or stores it in the first memory 130. In step 620, the MP3 file is selectively downloaded and stored in the third memory 250.
If the user selects the MP3 transmission menu in step 618, the first controller 110 detects this in step 621, selects an MP3 file to be transmitted among the MP3 files in the third memory 250 in step 622, and selects the receiver number in step 623. After selecting, the method proceeds to step 624 in which the selected MP3 file is transmitted to the recipient number.

When the user selects the first memory 130 in the MP3 mode in step 604, the first controller 110 detects it in step 609, reads the MP3 file stored in the first memory 130, and displays the MP3 file list on the display unit 160. Proceed to step 610. If the user selects the MP3 control key 270 while the MP3 file of the first memory 130 is displayed, the first controller 110 detects it in step 613 and displays the control key types of the MP3 file on the display unit 160 in step 614. Proceed.
If the user selects playback of the selected MP3 file in step 614, the first controller 110 detects it in step 615 and proceeds to step 616 in which the selected MP3 file is played. In step 616, the first controller 110 converts an MP3 file stored as a digital signal into the first memory 130 into an analog signal through the decoder / encoder 140 and the converter 150 to be inserted into the first ear jack 160. Transfer to 401 through 401.
Upon receiving the MP3 file of the analog signal, the second controller 210 proceeds to step 616 to play the MP3 file selected by the user through the earphone 300 connected to the second ear jack 260. Herein, when a call occurs while playing the MP3 file, the second controller 210 performs steps 801 to 807 under the control of the first controller 110. In addition, if a menu key is input by a user's key operation while the MP3 file of the first memory 130 is displayed, the MP3 file of the first memory 130 is edited, downloaded, and transmitted in steps 617 to 624.

In addition, when the portable terminal 100 selects the FM reception mode, the first controller 110 detects this and switches the portable terminal 100 to the FM reception mode.
In the FM reception mode, the memory expansion pack 200 receives audio data from an external device through the FM receiver 280, and the received audio data is transmitted to the mobile terminal 100. The first control unit 110 of the portable terminal 100 converts the audio data into an analog signal through the conversion unit 150 and outputs it to the memory expansion pack 200,
The second controller 210 of the memory expansion pack 200 outputs the audio data of the received analog signal to the earphone 300 connected to the second ear jack 260.
If the user receives the audio data storage request while receiving the audio data through the FM receiver 280, the first controller 110 detects this and converts the received audio data into a digital audio signal through the converter 150 of the mobile terminal 100. The encoder is encoded through the decoder / encoder 140 and stored in the first memory 130 or the third memory 250.

On the other hand, if the user's voice recording request is received from the mobile terminal 100, the first controller 110 detects this and switches the portable terminal 100 to the recording mode.
The first controller 110 converts audio data of an analog signal input when the user inputs a voice through a microphone (not shown) of the mobile terminal 100 or a microphone (not shown) of the earphone 300 in the recording mode. After converting into a digital audio signal through the decoder / encoder 140 and stored in the first memory 130 or the third memory 250.

FIG. 9 is a flowchart illustrating a process of providing MP3 content by connecting a memory expansion pack having a built-in memory and a removable memory to a portable terminal according to an exemplary embodiment of the present invention.

Referring to FIG. 4 in detail with reference to FIG. 4, when the first ear jack 160 of the portable terminal 100 is inserted into the connection line 401 of the memory expansion pack, the first controller 110 detects this in step 701 and detects the portable terminal 100. Proceed to step 704 to switch to the MP3 mode. Alternatively, when the user of the portable terminal 100 selects a menu in the portable terminal 100, the first controller 110 detects it in step 702 and displays the type of the selected menu. When the user selects the MP3 menu among the displayed menu types, the first controller 110 detects this in step 703 and proceeds to step 704 in which the portable terminal 100 is switched to the MP3 mode.

In the MP3 mode in step 704, the user may select the first memory 130 of the portable terminal 100, the second memory 230 of the memory expansion pack 200, and the third memory 250.

When the user selects the third memory 250, the first controller 110 detects this in step 705 and controls the second controller 210 to determine whether the third memory 250 is inserted into the socket 255.
If the third memory 605 is not inserted into the socket 255, the first controller 110 detects it in step 706 and proceeds to step 708 in which an error message is displayed on the display unit 160. However, if the third memory 250 is inserted into the socket 255, the first controller 110 detects this in step 706 and controls the second controller 210 to read the MP3 file stored in the third memory 250 and then list the MP3 file. Step 707 is displayed on the display unit 160.
When the user selects the second memory 230, the first controller 110 detects it in step 709 and controls the second controller 210 to read the MP3 file stored in the second memory 230, and then display the MP3 file list on the display 160. Proceed to step 710.
When the user selects the first memory 130, the first controller 110 detects it in step 711, reads the MP3 file stored in the first memory 130, and then proceeds to step 712 where the MP3 file list is displayed on the display unit 160.

The playback process of the MP3 file of the selected memory is performed in steps 713 to 716, and the call generation control process of outputting the MP3 file is performed through steps 801 to 807 of FIG. 10. In addition, the process of editing, downloading, and transmitting the MP3 file is performed in steps 717 to 724, where the MP3 file stored in the third memory 250 is downloaded to the first memory 130 and the second memory 230 as in step 720. The MP3 file stored in the second memory 230 may be downloaded to the third memory 250 and the first memory 130, and the MP3 file stored in the first memory 130 may be downloaded and stored in the third memory 250 and the second memory 230.
The performing processes are the same as the playback process of the MP3 file in FIG. 5 and FIG. 6, the call generation control process during the output of the MP3 file, and the editing, downloading, and transmitting process of the MP3 file.

In addition, when the portable terminal 100 selects the FM reception mode, the first controller 110 detects this and switches the portable terminal 100 to the FM reception mode.
In the FM reception mode, the memory expansion pack 200 receives audio data from an external device through the FM receiver 280, and the received audio data is transmitted to the mobile terminal 100. The first controller 110 of the portable terminal 100 converts the audio data into an analog signal through the converter 150 and outputs the converted audio signal to the memory expansion pack 200.
The second controller 210 of the memory expansion pack 200 outputs the audio data of the received analog signal to the earphone 300 connected to the second ear jack 260.
If the user receives the audio data storage request while receiving the audio data through the FM receiver 280, the first controller 110 detects this and converts the received audio data into a digital audio signal through the converter 150 of the mobile terminal 100. The encoder is encoded through the decoder / encoder 140 and stored in the first memory 130, the second memory 230, or the third memory 250.

On the other hand, if the user's voice recording request is received from the mobile terminal 100, the first controller 110 detects this and switches the portable terminal 100 to the recording mode.
The first control unit 110 receives the audio data of the analog signal input when the user inputs a voice through the microphone (not shown) of the mobile terminal 100 or the microphone (not shown) provided in the earphone 300 of the memory expansion pack 200 in the recording mode. After converting the digital audio signal through the converter 150, the decoder / encoder 140 encodes the signal and stores it in the first memory 130, the second memory 230, or the third memory 250.

In the embodiment of the present invention, the MP3 file control process is described through the MP3 control key 270 provided in the key input unit 127 of the mobile terminal 100. However, the MP3 control key 270 is provided in the memory expansion pack 200 or the earphone 300 as well as the mobile terminal 100. The MP3 file can also be controlled.
When controlling the MP3 file through the MP3 control key included in the memory expansion pack 200 or the earphone 300, the first controller 110 controls the display unit 160 to display the performance of the MP3 file.

In the above description of the present invention, a specific embodiment such as a portable terminal has been described, but various modifications can be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be determined by the equivalent of claims and claims.

That is, as described above, the present invention provides an memory expansion pack in which contents are stored, thereby providing an opportunity for a user of a portable terminal to use various contents of a large capacity. In addition, it can provide high quality services by overcoming the limitations of memory and reduce the cost of wireless data communication.

Claims (22)

       In the memory expansion pack for providing content to a mobile terminal,        A memory for storing the content;       A Frequency Modulation (FM) receiver for receiving audio data from an external device through a specific frequency channel,       A control unit which controls an operation of the memory expansion pack and controls to transmit the contents stored in the memory and the audio data received through the FM receiver to the portable terminal;       An ear jack that outputs the content through the external output device when connected to an external output device, and downloads content from the PC when connected to a personal computer; The memory expansion pack, characterized in that consisting of a connecting portion connected to the portable terminal. The method of claim 1, The memory expansion pack for storing the content downloaded from the portable terminal and the PC, characterized in that the removable memory. In the memory expansion pack for providing content to a mobile terminal, FM (Frequency Modulation) receiving unit for receiving audio data from an external device through a set specific frequency channel, A memory for storing MP3 (MPEG Audio Layer ~ 3) file data, recording data, and audio data received through the FM receiver; An ear jack which outputs predetermined data through the external output device when connected to an external output device, and downloads predetermined data from the PC when the PC is connected; The memory expansion pack, characterized in that consisting of a connecting portion connected to the portable terminal. The method of claim 3, And transmits the data of the digital signal stored in the memory to the mobile terminal and outputs the data of the analog signal converted and received by the mobile terminal, and controls to download the data from the PC and store it in the memory when connected to the PC. When the call is generated, the output of the call is paused and the signal indicating the call is generated under the control of the portable terminal, and the audio data received through the FM receiver is transmitted to the portable terminal and is converted and received by the portable terminal. And a control unit for controlling to output the audio data of an analog signal. In the memory expansion pack for providing content to a mobile terminal, FM (Frequency Modulation) receiving unit for receiving audio data from an external device through a set specific frequency channel, A memory for storing MP3 (MPEG Audio Layer ~ 3) file data, recording data, and audio data received through the FM receiver; A decoder / encoder for decoding the data stored in the memory and encoding the data output from the converter; A converting unit converting data of an analog signal input into a digital signal and converting data of a digital signal output from the decoder / encoder into an analog signal; An ear jack for outputting data through the external output device when connected to an external output device, and downloading data from the PC when the PC is connected; The memory expansion pack, characterized in that consisting of a connecting portion connected to the portable terminal. The method of claim 5, Control to output the data of the analog signal output from the converter, to store the encoded data from the decoder / encoder, to control the data to download from the PC to store in the memory when connected to the PC, And a controller for outputting a signal informing of a call occurrence after the output of the data is temporarily stopped under the control of the portable terminal. The method according to any one of claims 3 to 5, The memory expansion pack for storing the data downloaded from the portable terminal and the PC, characterized in that the removable memory. The method according to any one of claims 3 to 5, The external output device is the memory expansion pack, characterized in that at least one of an earphone and an external speaker. The method according to any one of claims 3 to 5, The memory expansion pack further comprises a removable memory for storing the data delete The method according to any one of claims 3 to 5, And the connection part is connected to an external output device connected to the portable terminal. In the method for providing the content in a mobile terminal connected to the memory expansion pack for providing a variety of content, Automatically switching to the MP3 mode when the portable terminal is connected to the memory expansion pack; Displaying a list of MP3 files stored in the memory when the memory of the memory expansion pack is selected in response to a user's request in the MP3 mode; Playing the selected MP3 file based on the user's selection information among the displayed MP3 file list;  Downloading the selected MP3 file from the displayed list of MP3 files to the memory of the mobile terminal; Transmitting the selected MP3 file from the displayed list of MP3 files to a predetermined recipient; And editing the selected MP3 file among the displayed list of MP3 files. The method of claim 12, wherein the conversion process The method of claim 3, wherein the mobile terminal is switched to the MP3 mode through a menu selection by a user. The method of claim 12, wherein the conversion process The method of claim 3, wherein the memory expansion pack is connected to an external output device connected to the portable terminal. The method of claim 12, wherein the regeneration process is Converting the MP3 file of the selected digital signal into an analog signal in the memory expansion pack; And outputting the MP3 file converted into the analog signal. delete delete The method of claim 12, Switching the portable terminal to the FM reception mode at the request of a user; Receiving audio data through the FM receiver of the memory expansion pack in the FM reception mode; Converting the received audio data into an analog signal in the memory expansion pack and outputting the analog signal; In the FM reception mode, when a user requests to store data, the memory expansion pack converts the audio data into a digital signal, and then encodes audio data of the converted digital signal to at least one of the memory of the mobile terminal or the memory of the memory expansion pack. The method further comprises the step of storing in any one. The method of claim 12, Switching the portable terminal to a recording mode according to a user's request; Converting audio data of the input analog signal into a digital signal when the audio data is input in the recording mode; And encoding the audio data of the converted digital signal in at least one of a memory of the mobile terminal and a memory of the memory expansion pack in the memory expansion pack. delete delete delete

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