KR100493517B1 - Earphone with extended memory and device extending memory having the same - Google Patents

Abstract

The present invention relates to an earphone equipped with an expansion memory and a memory expansion apparatus having the same. An earphone equipped with an expansion memory according to the present invention includes: an earphone electrically connected to an earphone jack of a portable electronic product, the earphone comprising: an earphone cord having a predetermined length capable of bidirectional movement of an electrical signal; A speaker unit provided at one end of the earphone cord to convert an electrical voice signal into a recognizable voice; An earphone plug electrically connected to the earphone cord and electrically connected to an earphone jack of the portable electronic product; And an expansion memory electrically connected to the earphone cord to store information transmitted and received through the earphone plug. As a result, when the memory expansion is required, the compatibility is excellent, and almost all mobile phones or MP3 players can be connected and used as a separate external memory.

Description

Earphones with an extended memory and a memory expansion device having the same {Earphone with extended memory and device extending memory having the same}

The present invention relates to an earphone equipped with an expansion memory and a memory expansion device having the same, and more particularly, to an external auxiliary memory in addition to a memory embedded in a portable electronic product such as a mobile phone or MP3 player. The present invention relates to an earphone having an expansion memory that can be used when it is necessary to use it, and a memory expansion apparatus having the same.

Recently, as the spread of mobile phones has expanded, user needs have also diversified. Accordingly, mobile communication providers are providing various value-added services in addition to the call functions unique to mobile phones. One of such additional service functions is a mobile internet function that listens to music or the like through the Internet or provides various contents including stock trading and electronic commerce on the Internet. A mobile phone equipped with such a function generally includes a memory embedded in the mobile phone, and a control unit electrically connected to the memory to record or read information from the memory. With such a configuration, MP3 music (MP3) music, etc. can be read from the Internet. It downloads and stores them in the internal memory of the mobile phone, and when necessary, the control unit reads the information from the memory and plays MP3 music, etc. so that the user can listen to MP3 music through the mobile phone. do. Recently, cameras are mounted on mobile phones, and still images or videos are captured by the camera, stored in the internal memory of the mobile phone, and played back when necessary.

As described above, in order to utilize various contents provided by the Internet or an information service company through a mobile phone, or to play back still images or videos captured by a camera, a high-capacity memory capable of input / output is required in the mobile phone. However, the capacity of the built-in memory in the mobile phone is basically limited by the limitation of the size of the mobile phone during the production of the mobile phone, and thus the user cannot fully use these various contents provided to the user.

In consideration of these problems, an expansion auxiliary memory is built into the battery of the mobile phone so that various data can be classified and stored separately, and a data transmission terminal connected to the mobile phone main body is formed in the expansion auxiliary memory. A memory expansion device capable of exchanging data with each other between expansion auxiliary memories has been disclosed in Korean Utility Model Registration No. 0303918. However, such a conventional memory expansion device has a problem in that the memory expansion is possible only for a battery of a corresponding company, so that it is difficult to apply to other company's products, thereby decreasing compatibility and changing the general structure of the battery.

On the other hand, in a mobile phone, harmful electromagnetic waves are generated, and when using a mobile phone, the mobile phone must be in close contact with the user's ear. Therefore, during a call, the user is exposed to harmful electromagnetic waves for a long time, so that the user's brain waves are disturbed and the thermal energy of the electromagnetic wave is applied to the user. It can cause harmful results, by connecting the neckline to the mobile phone body and connecting the earphone cord through this loop, if necessary, connect the earphone plug to the earphone jack of the mobile phone. An increasing number of users are listening to a call. However, although many earphones are used by many users to facilitate the use of a mobile phone, it is not helpful at all when a separate memory is required in addition to the internal memory of the mobile phone.

As described above, in the conventional earphones, it is not helpful at all when a separate memory is required in addition to the memory built in a mobile phone or the like, and the conventional memory expansion device can be expanded only by the battery of the corresponding company's battery. There is a problem in that the battery is difficult to be applied, and the compatibility is inferior, and there is a problem of changing the conventional battery structure.

Therefore, an object of the present invention is that when the memory expansion is required, the compatibility is excellent, connected to almost all mobile phones or MP3 (MP3) player, etc. can be used as a separate external memory and usually can be used as an earphone without difficulty It is to provide an earphone and a memory expansion device having the same.

The above object, according to the present invention, the earphone which is electrically connected to the earphone jack of the portable electronic product, the earphone, the earphone, the earphone cord of a predetermined length capable of bidirectional movement of the electrical signal; A speaker unit provided at one end of the earphone cord to convert an electrical voice signal into a recognizable voice; An earphone plug electrically connected to the earphone cord and electrically connected to an earphone jack of the portable electronic product; And an expansion memory electrically connected to the earphone cord and storing information transmitted and received through the earphone plug.

Here, the portable electronic product is preferably a mobile phone.

In addition, the earphone is electrically connected to the cord, and if configured to further include a microphone for converting the user's voice into an electrical voice signal, it is possible to transfer the voice signal to the mobile phone through the microphone.

The earphone plug may include a microphone signal (MIC) terminal, a positive data signal terminal (D +), a negative data signal terminal (D-), a left audio signal (EAR_L) terminal, a light audio signal (EAR_R) terminal, and a ground signal ( GND) terminal can be configured to include.

And, when the data signal is input to the earphone plug is more preferably configured to include a switch to control the data signal to the speaker unit.

The USB communication cable may further include a USB communication cable which may be connected to a USB port of a personal computer to perform USB communication. The USB communication cable may be connected to the earphone plug. It is more preferable to have a phone jack, a USB plug connected to a USB port of a computer, and a cable connecting the phone jack and the USB plug to a computer and the expansion memory of the earphone.

On the other hand, an object of the present invention, according to the present invention, the earphone cord of a predetermined length capable of bi-directional movement of the electrical signal, a speaker portion provided at one end of the earphone cord for converting the electrical voice signal into a recognizable voice, and An earphone having an earphone plug electrically connected to an earphone cord, the earphone plug electrically connected to an earphone jack of a portable electronic product, and an expansion memory electrically connected to the earphone cord to store information transmitted and received through the earphone plug; A USB interface unit for controlling the earphone plug and the USB communication; And a control unit for controlling the storage and output of information transmitted and received through the USB interface unit. A memory expansion device including an earphone equipped with an expansion memory is also achieved.

Here, the portable electronic product is preferably a mobile phone.

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

The present invention is a portable electronic product having an earphone jack capable of transmitting and receiving voice signals and data to and from the outside of various portable electronic products such as mobile phones, personal digital assistants (PDAs), MP3 players, and the like. It can be applied in various ways, hereinafter will be described by applying to the mobile phone. In addition, a personal computer will be described separately, and a description of the notebook computer is omitted, but the same applies to the personal computer.

1 is a perspective view of an earphone equipped with an expansion memory according to an embodiment of the present invention. As shown in FIG. 1, the earphone 10 with an expansion memory according to an embodiment of the present invention may include an electrical signal. The earphone cord 11 having a predetermined length capable of bidirectional movement, the speaker unit 15 provided at one end of the earphone cord 11 and converting an electrical voice signal into a recognizable voice, and the earphone cord 11 are electrically connected to the earphone cord 11. And an earphone plug 13 electrically connected to the earphone jack 31 of the mobile phone, an microphone 18 electrically connected to the earphone cord 11 and converting a user's voice into an electrical voice signal, and an earphone cord 11 It is electrically connected to the) and stores information transmitted and received through the earphone plug 13 and has an expansion memory (not shown) built in the expansion memory built-in unit (17a).

The earphone plug 13 includes a positive data signal terminal (D +) 13a, a negative data signal terminal (D-) 13b, a left audio signal (EAR_L) terminal 13c, and a right audio signal (EAR_R) terminal 13d. ), A microphone signal MIC terminal 13e and a ground signal GND terminal 13f, wherein the data signal lines 13a and 13b and the audio signal lines 13c and 13d are provided as common lines. In this configuration, when the earphone plug 13 is electrically connected to the earphone jack 31 of the mobile phone and is set to the extended memory mode of the mobile phone, the earphone plug 13 serves as a data line to communicate with the mobile phone. In addition, when the audio signal mode is set in the mobile phone, power to the expansion memory (not shown) is cut off, and the earphone 10 receives the audio signal and converts the voice into a voice that can be recognized by the speaker unit 15. The sound is heard through the speaker unit 15.

On the other hand, when the data signal is input through the earphone 10 is further provided with a switch (not shown) to block the transmission of the data signal to the speaker unit 15 to prevent the noise generated in the speaker unit 15 In the vicinity of the microphone 18, a call button 19 is installed to allow the user to talk through the microphone 18 by pressing the call button 19 and talking.

In order to recognize the earphone 10 equipped with the expansion memory 17, the mobile phone needs to install and execute software for recognizing the same. FIG. 2 is a schematic diagram of a memory expansion apparatus including the earphone 10 of FIG. As shown in the figure, according to the present invention, according to the present invention, the memory expansion device having an earphone 10 equipped with an expansion memory 17, the above-described earphone 10 and the earphone of the earphone 10 The storage and output of the information transmitted and received through the USB interface unit 30 and the USB interface unit 30 for controlling the communication of the USB (Universal Serial Bus) method with the plug 13 The control part 40 which controls is provided. Here, the rest of the components except for the earphone 10 are typically configured in the mobile phone 2, and the mobile phone 2 outputs an audio signal and a main memory 43 in which information is recorded or read by the controller 40. The audio section 41 and the like are provided.

The USB interface unit 30 automatically recognizes the situation at the time when the earphone plug 13 is connected or disconnected to the earphone jack 31, and recognizes the earphone plug 13 and then expands the control unit 40. When the memory mode is set, the expansion memory of the earphone 10 stores data such as various large-capacity games, video / music files, pictures, video picture files, and learning data files such as English through the USB interface unit 30. It becomes possible to transmit / receive to (17). As described above, at this time, a switch (not shown) is operated to block the data signal input through the earphone plug 13 from being transmitted to the speaker unit 15.

If the audio signal is output from the audio unit 41 of the mobile phone 2, the control unit 40 cuts the power to the microphone signal MIC terminal of the earphone plug 13, which serves as a power terminal. Blocking the transmission to the expansion memory 17 of 10) and to be delivered only to the speaker unit 15, the audio signal is converted into a voice that can be recognized in the speaker unit 15 of the earphone (10).

FIG. 3 is a view illustrating a connection relationship for USB type communication between the earphone and the personal computer (PC) of FIG. 1, and as shown therein, the earphone 10 according to the present invention is used as a USB. A USB communication cable 20 is coupled to the earphone plug 13 to communicate with a personal computer 3 having a port 45 in a USB method. The USB communication cable 20 includes a phone jack 21 connected to an earphone plug 13, a USB plug 23 connected to a USB port 45 of a computer, and a phone jack ( 21 and a cable 22 for connecting the USB plug (23). Thereby, the earphone plug 13 and the USB port 45 of the computer are connected to each other, so that various data such as games, video / music files, photos, video photo files, or learning data files such as English, etc. are desired. To and from the expansion memory 17 of the earphone 10.

By this configuration, the voice signal output from the mobile phone (2) or MP3 (MP3) player is usually converted into a recognizable voice and used as an earphone used by the user to listen to the sound. Set to the extended memory mode in the control unit 40 and the USB interface unit 30 recognizes the earphone plug 13 to perform the USB communication by expanding the expansion memory 17 of the earphone 10 It can be used as an auxiliary memory. In the case of the personal computer 3 equipped with the USB port 45, the earphone plug 13 and the USB port 45 are connected through the USB communication cable 20. The expansion memory 17 mounted in 10 can be used.

In the above-described embodiment, the portable electronic product is a mobile phone 2, but a portable electronic product having an earphone jack 31 capable of transmitting and receiving voice signals and data with the outside may be an MP3 player. Of course, the earphone 10 equipped with the expansion memory according to the present invention can also be used in the personal computer and notebook computer via the USB communication cable (20).

In addition, in the above-described embodiment, the expansion memory 17 is connected between the earphone plug 13 and the speaker unit 15 with the earphone cord 11, but the earphone cord 11 is not described above. Naturally, the expansion memory 17 may be configured to be directly connected to the earphone plug 13.

As described above, according to the present invention, when the memory expansion is required, the compatibility is excellent and can be used as a separate external memory connected to almost all mobile phones or MP3 players, etc. Provided are earphones equipped with a memory and a memory expansion device having the same.

1 is a perspective view of an earphone equipped with an expansion memory according to an embodiment of the present invention;

FIG. 2 is a schematic configuration diagram of a memory expansion device including the earphone of FIG. 1;

FIG. 3 is a diagram illustrating a connection relationship for USB type communication between the earphone and the personal computer (PC) of FIG. 1.

* Explanation of symbols for main parts of the drawings

 3: personal computer (PC) 2: mobile phone

10: earphone with expansion memory 11: earphone cord

13: Earphone plug 13a: Positive data signal terminal (D +)

13b: negative data signal terminal (D-) 13c: left audio signal terminal

13d: Light audio signal terminal 13e: Microphone signal (MIC) terminal

13f: Ground signal (GND) terminal 15: Speaker unit

17: expansion memory 17a: expansion memory internal portion

18: microphone 20: USB communication cable

21: Phone Jack 23: USB plug

30: USB interface unit 31: earphone jack

40: control unit 41: audio unit

43: main memory 45: USB port

Claims (8)

delete delete delete delete delete delete An earphone plug to which an earphone having a memory device is connected therein; A USB interface unit which determines whether the earphone is connected through the earphone plug and communicates with the earphone jack of the earphone connected to the earphone plug in a USB method to transmit and receive a signal; And Voice output mode for outputting a voice signal to the earphone through the voice output terminal of the earphone plug and data output to the memory device provided in the earphone by outputting the data signal to the earphone through the data output terminal of the earphone plug And a control unit for selectively performing a mode. The method of claim 7, wherein And the earphone plug includes a microphone signal terminal, a positive data signal terminal, a negative data signal terminal, a first audio signal terminal, a second audio signal terminal, and a ground terminal.