KR20080033583A - Small sized portable terminal - Google Patents

Abstract

A small portable terminal is provided to have such an improved structure that the portable terminal itself is inserted into a body of a user without a separate tool such as a headset, thereby imparting a hands-free function to the portable terminal. An antenna radiator receives and transmits an RF signal. A transmitting and receiving unit has an RF module and a modem, which convert the RF signal into a base band signal. A codec unit is included in a body(110) of a terminal. The codec unit converts a PCM(Pulse Code Modulation) signal, which is received from a controller, into a voice signal to output the voice signal through a speaker(120), or converts a voice signal, which is inputted through a microphone(116), into a PCM signal to supply the PCM signal to the controller. The microphone is installed at an end portion of the body. The speaker is extended from the body such that the speaker is insertable into an ear of a user.

Description

Small Portable Terminal {SMALL SIZED PORTABLE TERMINAL}

1 is a perspective view of a small portable terminal according to the present invention;

2 is a block diagram of a small portable terminal according to the present invention; And

3 is a use state diagram of a small portable terminal according to the present invention.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable terminal, and more particularly, to a small portable terminal that can be used as a hands free by directly attaching to a user's body without requiring a separate Bluetooth headset.

In recent years, due to the development of the electronic communication industry, portable terminals are becoming smaller and lighter, and their functions are diversifying. For example, a speaker device capable of implementing melody of various chords is installed, and a color display device of several million pixels is implemented. In addition, the music listening function through the MP3 player other than the basic call function is implemented in the terminal, various game contents, movie watching, etc. are provided using the display device. There is a situation.

In general, a portable terminal is roughly classified into a bar type terminal, a folder type terminal, a slide type terminal, and the like, and recently, a slide type terminal has become mainstream.

Among the above-mentioned terminals, the bar-type terminal does not have a separate sub-body which performs an opening operation in the main body, such as a folder or a slide body, or has a simple function that makes the appearance beautiful even if it exists. As a result, the various functions of most terminals must be digested. Therefore, a plurality of key buttons as data input means, a display device as data output means, a microphone device as a transmitter, a speaker device as a receiver, and the like should be provided in the main body.

However, the above-mentioned folder and slide type terminals as well as bar type terminals have limitations in miniaturizing the terminal. Due to such limitations, when a user needs to use both hands because the user must hold the terminal with at least one hand during a call (hands free) In case of using), a separate Bluetooth headset should be provided, which not only impairs the convenience of use of the terminal but also burdens the user in terms of cost.

In order to solve the problems described above, the object of the present invention is to provide a small portable terminal that can be used for hands-free without any additional device.

Another object of the present invention is to provide a handheld portable terminal that can be implemented to reduce the cost burden of using the terminal by using the hands-free for a separate Bluetooth headset.

Another object of the present invention is to provide a small portable terminal that is implemented to increase the ease of use of the terminal.

In order to solve the above object, the present invention is a portable terminal, the body having a predetermined shape including a microphone device at the end, and is installed to extend in a certain length from the body is inserted directly into the user's ear And an earphone type speaker device.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, if it is determined that the gist of the present invention may be unnecessarily obscured, the detailed description thereof will be omitted.

1 is a perspective view of a small portable terminal according to the present invention, and shows a bar-type terminal to be easily attached to a user's ear.

As shown in FIG. 1, the terminal 100 according to the present invention includes a terminal 110 having a predetermined shape and an earphone type speaker device 120 extending to a predetermined length from the body 110. ) As a receiver. The body 110 is generally formed in a rectangular shape, and a microphone device 116 is installed at a lower end thereof to be used as a transmitter during a voice call with the other party.

The display device 113 of a predetermined width is installed on the outer surface 112 of the body 110. The display device 113 displays the data input by the high definition color TFT LCD module or displays the state of the terminal 100 so that the user can easily recognize the state. A plurality of key buttons 114 may be installed below the display device 113. Preferably, the key button 114 may be provided with a 3 × 4 number key button, but is not limited thereto. For example, if the installation space is not allowed, the direction key button, the navigation key button, and the scroll key button may be installed to enable data input.

The earphone type speaker device 120 is installed on the surface 111 opposite to the outer surface 112 of the body 110. The speaker device 120 is installed at the end of the neck (121) extending from the body 110 to a predetermined length, it can be configured to be easily inserted into the ear of the user. Although not shown, if the neck 121 is too long, it is installed in a sunken manner, and when the terminal 100 is not used, the speaker device 120 may be immersed in a part of the neck 121 and carried as much as possible. There will be.

Although not shown, the terminal 100 will have a built-in antenna device having a predetermined shape mounted on a main board installed inside the body 110, and a rechargeable coin-type battery mounted on the main board as a power supply means. Can be installed.

In addition, an interface connector port 115 is installed on the surface 111 where the earphone type speaker device 120 of the body is installed. The interface connector port 115 may be protected by a predetermined cover and electrically connected to a connector of a corresponding device (external device, charger, etc.) for data communication with an external device and charging operation of the coin-type battery. It may have a configuration.

Figure 2 is a block diagram of a small portable terminal according to the present invention, the control unit 200 of the terminal controls the overall operation of the terminal (100). For example, processing and control for voice call and data communication can be performed.

The memory 201 includes a program memory, a data memory, a nonvolatile memory, and the like. The program memory stores a program for controlling the overall operation of the terminal.

The key pad 114 includes 0 to 9 numeric key buttons, a menu button, a cancel button (clear), an OK button, a call button (TALK), an end button (END), and an internet access button. And some or all of a plurality of function key buttons such as navigation key buttons (▲ / ▼ / ◀ / ▶), and provide key input data corresponding to a key pressed by the user to the controller 200.

The display unit 113 is a display device of FIG. 1 and displays not only data input but also status information generated during operation of the terminal, limited number of characters, a large amount of moving images and still images, and the like. The display unit 203 may use a high quality color TFT liquid crystal display (LCD). In addition, the touch screen may be implemented.

The codec (Coder-Decoder) 204 connected to the control unit 200, the microphone device 116 and the speaker device 120 connected to the codec 204 is used as a voice input and output means used for phone calls do. The codec 204 converts the PCM data provided from the controller 200 into an analog voice signal and transmits the same through the speaker module. The codec 204 converts the voice signal received through the microphone device into PCM data. To provide.

In addition, the RF module 205 lowers the radio frequency signal received through the antenna radiator to the modem unit 206 and increases the baseband signal from the modem unit 206 by increasing the frequency. Transmit through the antenna. The modem unit 206 processes baseband signals transmitted and received between the RF module 205 and the control unit 200. For example, in case of transmission, channel coding and spreading of data to be transmitted are performed, and in case of reception, function of despreading and channel decoding of a received signal is performed. Can be.

3 is a state diagram of the use of the small portable terminal according to the present invention, and the call can be made by simply inserting the speaker device 120 into the ear of the earpiece (ear) 301 of the user 300. The high sensitivity microphone device 116 will act as a talker, and the speaker device 120 inserted into the ear will act as a receiver. Also, as shown in Figure 3, the terminal 100 according to the present invention, if the body 110 is composed of approximately 5 ~ 7cm, due to the mounting structure in which the speaker device 120 is closely inserted in the ear constant Tilt the angle θ to make a smooth call.

Apparently, there are many ways to modify these embodiments while remaining within the scope of the claims. In other words, there may be many other ways in which the invention may be practiced without departing from the scope of the following claims.

The terminal according to the present invention can be used as a hands-free function because the terminal itself is attached to the user's body without using a separate device such as a headset for Bluetooth, thereby reducing the cost.

Claims (4)

In a portable terminal, An antenna radiator for transmitting and receiving an RF signal; A transceiver having an RF module and a modem for converting an RF signal transmitted and received through the antenna radiator into a baseband signal; A controller for controlling the overall operation of the terminal; Power supply means for supplying power for the terminal to operate; And The PCM signal provided from the controller is converted into a voice signal and transmitted to the outside through a speaker device, or the voice signal input through the microphone device is converted into a PCM signal and the codec provided to the controller is included in a predetermined shape body. , The microphone device is installed at the end of the body, the speaker device is a small portable terminal, characterized in that formed in the earphone type that can be inserted into the ear of the user extending in a predetermined direction from the body. The method of claim 1, A small portable terminal, characterized in that a display device having a predetermined size is installed as a display unit on the outer surface of the body, and a plurality of key buttons are installed as a key input unit for data input below. The method of claim 1, The power supply means is a small portable terminal, characterized in that the rechargeable coin battery built in the body. The method according to claim 1 or 3, The portable terminal, characterized in that the interface connector port (IF connector port) for data communication with the external device and the charging of the power supply means is installed in place of the body.

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