KR100604533B1 - Slide type mobile phone - Google Patents

Abstract

A slide type mobile communication terminal is provided. A slide unit including a first optical transmitting and receiving unit for transmitting and receiving a signal as an optical signal, a control unit for controlling the overall operation of the mobile communication terminal, the position that is facing the first optical transmitting and receiving unit in the closed state the optical signal A second optical transmitter / receiver for transmitting and receiving a signal to and from a first optical receiver and a third member for transmitting and receiving a signal to and from the first optical transmitter / receiver by an optical signal located at a position facing the first optical receiver and in an open state A main body including an optical transmission and reception unit, and a connector for connecting the slide and the main body and supplying power to the slide. According to the present invention, it is possible to reduce the space occupied by the FPCB in the slide-type mobile communication terminal by transmitting and receiving data with an optical transmitter and receiver.

Slide unit, main unit, optical transceiver, optical signal, FPCB, mobile communication terminal.

Description

Slide type mobile phone {Slide type mobile phone}             

1 is an internal configuration showing the internal structure of the body portion and the slide portion of the slide-type mobile communication terminal according to an embodiment of the present invention.

2A and 2B are cross-sectional views illustrating a cross section of a slide type mobile communication terminal having an optical transmitter and receiver according to an embodiment of the present invention.

3A and 3B are cross-sectional views illustrating a cross section of a slide type mobile communication terminal having an optical transmitter and receiver according to another embodiment of the present invention.

4A and 4B are cross-sectional views illustrating a cross section of a slide type mobile communication terminal having an optical transmitter and receiver according to another embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100: main body 200: slide

110: memory 120, 220: input unit

130: control unit 140, 150, 240: optical transmission and reception unit

160: wireless circuit unit 170: analog voice processing unit

180: battery 210: display unit

230: camera

The present invention relates to a slide type mobile communication terminal having a slide portion and a main body portion, and more particularly, to a slide type mobile communication terminal having an optical transmitting and receiving unit for transmitting and receiving an optical signal instead of a signal line connecting the slide portion and the main body portion. It is about.

Conventional mobile communication terminals are generally capable of only voice calls, but recently, as communication technologies and mobile communication terminal manufacturing technologies are rapidly developed, a multifunctional mobile communication terminal capable of meeting various consumer's needs has been commercialized. Recently, commercially available mobile communication terminals use various functions such as game, internet search, E-mail, payment, etc. as a mobile communication terminal. Recently, cameras are installed in mobile communication terminals. A camera phone function for taking a shape of an object with a terminal and an image mobile communication terminal function for taking a shape of a camera with a camera and transmitting it to the counterpart are being added.

Recently, there are two types of mobile communication terminals that are used in the form of a folding type and a slide type to enlarge the LCD screen. When the camera is mounted on the folding type mobile communication terminal, the user can take a picture while viewing the shape of the subject. There is a hassle to open the upper folder so that the screen is exposed to the outside, the use of products equipped with a camera in the slide-type mobile communication terminal is increasing.

In the conventional slide type mobile communication terminal, a signal transmitted between the main body and the slide unit is transmitted through the FPCB. In general, the slide unit of the mobile communication terminal is provided with components such as a display unit, a camera, an input unit, and a speaker. Therefore, the data, the address, the control signal line of the control unit, the key input signal line of the key input unit, the audio signal line, and the like are designed as FPCBs so that the main body unit and the components of the slide unit interface.

However, as the opening and closing of the slide part is repeated, a problem may occur in the FPCB. For example, an FPCB connector is missing or a connection problem occurs.

SUMMARY OF THE INVENTION The present invention has been made in view of this point, and has an optical transmission receiver instead of a conventional FPCB, and provides a slide type mobile communication terminal capable of transmitting a signal between a slide unit and a main body unit using an optical transmission receiver. have.

According to an aspect of the present invention, a first input unit for selecting a function desired by a user or inputting information, a display unit for displaying an image signal under the control of a controller, a speaker for outputting an audio signal, and an optical signal A slide unit including a first optical transmission and reception unit for transmitting and receiving a signal, a second input unit for selecting a desired function or inputting information, a memory for storing programs and data necessary for the mobile communication terminal to operate, voice A microphone for inputting a signal, a controller for controlling the overall operation of the mobile communication terminal, and a digital voice signal for converting and amplifying an analog voice signal and outputting it to a speaker, or for amplifying and converting a voice signal from a microphone into a digital signal. Receiving the first optical transmission with the analog voice processing unit and the slide unit closed A second optical transceiver for transmitting and receiving a signal to and from the first optical transmitter and receiver with an optical signal and a position facing the first optical transmitter and receiver with the slide part open and positioned in a position facing the unit; And a main body portion including a third optical transmission and reception portion for transmitting and receiving a signal to and from the transmission and reception portion, and a connector for connecting the slide portion and the main body portion and supplying power to the slide portion.

Signals can be transmitted and received only when the first optical transmitter and the second optical receiver face each other, or when the first optical receiver and the third optical receiver face each other.

The main body further includes a slide opening / closing detection unit for detecting opening and closing of the slide unit, and the control unit detects whether the slide unit is in a closed state or an open state, and accordingly, if the slide unit is in a closed state, the first light transmitting unit and the second light transmitting unit are received. The unit may be activated, and if the slide unit is open, the first optical receiver and the third optical receiver may be activated.

According to another embodiment of the present invention, a first input unit for selecting a function or inputting information desired by a user, a memory for storing a program and data necessary for the mobile communication terminal to operate, a microphone for inputting a voice signal, a mobile communication terminal Control unit that controls the overall operation of the digital voice signal to convert the analog voice signal and amplified and output to the speaker, or the analog voice processing unit for amplifying and converting the voice signal from the microphone into a digital signal, transmitting and receiving signals with the optical signal A main unit including a first optical transmitter and receiver for receiving, a second input unit for selecting a desired function or inputting information, a display unit for displaying an image signal under control of a controller, a speaker for outputting an audio signal, and a slide Located in a position facing the first optical transmitter and receiver in the closed state And a second optical transceiver for transmitting and receiving a signal to and from the first optical transmitter and receiver with an optical signal, and a position facing the first optical transmitter and receiver while the slide unit is open, and transmitting the signal with the first optical transmitter and receiver with an optical signal. A slide unit including a third optical transmission and reception unit for transmitting and receiving, and a connector for connecting the slide unit and the main body and supplying power to the slide unit.

An optical signal may be transmitted and received only when the first optical transmitter and the second optical receiver face each other or the first optical receiver and the third optical receiver face each other.

The main body further includes a slide opening / closing detection unit for detecting opening and closing of the slide unit, and the control unit detects whether the slide unit is in a closed state or an open state, and accordingly, if the slide unit is in a closed state, the first light transmitting unit and the second light transmitting unit are received. The unit may be activated, and if the slide unit is in an open state, the first optical transmitter and the third optical receiver may be activated.

According to another embodiment of the present invention, a first input unit for selecting a function or inputting information desired by a user, a display unit for displaying an image signal under the control of a controller, a speaker for outputting an audio signal, and a parallel direction of movement of the slide unit are provided. A slide unit including a first optical transmitting and receiving unit for transmitting and receiving a signal with an optical signal, a second input unit for selecting a desired function or inputting information, and a program necessary for operating a mobile communication terminal Memory for storing data and data, Microphone for inputting voice signal, Control unit for controlling overall operation of mobile communication terminal, Digital voice signal converted to analog voice signal and amplified and output to speaker, or voice signal from microphone Analog voice processing for amplifying and converting into digital signals And a main body portion including a second optical transmission and reception portion positioned to transmit and receive a signal with the first optical transmission and reception portion in a direction parallel to the moving direction of the slide portion, and for connecting the slide portion and the main body portion and supplying power to the slide portion. It may be made of a connector.

The path in which the first optical transmitter and the second optical receiver face each other is preferably an empty space. In this case, a portion in which the optical signals of the first and second optical transmitters and receivers are transmitted and received may protrude.

Signals transmitted and received in the present invention may be data, an address, a control signal of the controller, a key input signal of the first input unit or the second input unit, and an audio signal of the analog voice processing unit. In addition, the connector is preferably composed of FPCB. The slide unit may further include a camera for photographing an object.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals have the same reference numerals as much as possible even if displayed on different drawings. In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is an internal configuration showing the internal structure of the body portion and the slide portion of the slide-type mobile communication terminal according to an embodiment of the present invention. The main body 100 includes a memory 110, an input unit 120, a controller 130, an optical transmitter / receiver 140, 150, a wireless circuit unit 160, an analog voice processor 170, a battery 180, and the like. The slide unit 200 may include a display unit 210, an input unit 220, a camera 230, and the like.

The memory 110 stores programs and data necessary for the mobile communication terminal to operate, and various devices such as erasable programmable read only memory (EPROM), static random access memory (SRAM), and flash memory may be used.

The input unit 120 or 220 may use various devices such as a keypad, a jog shuttle, a point stick, and a touch screen, and is used when a user selects a desired function or inputs information.

The controller 130 controls the overall operation of the mobile communication terminal. The controller 130 may be a microprocessor or a digital signal processor (DSP). The controller 130 also includes a baseband signal processing circuit for processing the baseband signal from the radio circuit unit 160.

The radio circuit unit 160 is a circuit for transmitting and receiving voice and control information with a base station wirelessly. Receives a call signal sent by an external mobile communication terminal through an antenna and transmits it to the controller 130, or transmits data stored in the memory 110 to the caller's mobile communication terminal through the antenna. .

The analog voice processor 170 converts and amplifies a digital voice signal into an analog voice signal and outputs the amplified voice signal to the speaker SP, or amplifies the voice signal from the microphone MIC and converts the digital voice signal into a digital signal.

The battery 180 serves to supply power to the mobile communication terminal.

The optical transmitter / receiver 140, 150, 240 transmits and receives signals using optical signals.

The display unit 210 is used to show various information to the user, and a liquid crystal display (LCD) is mainly used.

The camera 230 is used to photograph an object.

2A and 2B are cross-sectional views illustrating a slide type mobile communication terminal having optical transmitting and receiving units 140, 150, and 240 according to an embodiment of the present invention.

In one embodiment of the present invention, the slide type mobile communication terminal includes a slide unit 200, a main body unit 100, and a connector.

The slide unit 200 includes an input unit 220 for selecting a desired function or inputting information, a display unit 210 for displaying an image signal under the control of the controller 130, and a speaker for outputting an audio signal. (Not shown), and includes an optical transmitter / receiver 240 for transmitting and receiving signals with an optical signal.

The main body 100 includes an input unit 120 for selecting a desired function or inputting information, a memory 110 for storing a program and data necessary for the mobile communication terminal to operate, a microphone for inputting a voice signal ( Not shown), the control unit 130 for controlling the overall operation of the mobile communication terminal, and converts the digital voice signal into an analog voice signal and amplified and output to the speaker, or an analog for amplifying and converting the voice signal from the microphone into a digital signal The voice processing unit 170 and the slide unit 200 are located in the closed position facing the optical transmitter and receiver 240, the optical transmitter and receiver 150 for transmitting and receiving signals with the optical signal receiver 240, the slide unit Located in the open state facing the optical transmitter and receiver 240 in the open state 200 includes an optical transmitter and receiver 140 for transmitting and receiving signals with the optical transmitter and receiver 240 as an optical signal.

The connector connects the slide unit 200 and the main body unit 100 and serves to supply power to the slide unit 200. In FIG. 1, the connector connects the slide unit 200 to the main body unit 100 and supplies power to the slide unit 200 through a power supply line V _DD and a ground GND line. In one embodiment of the present invention, the connector may be composed of FPCB.

In the embodiment of the present invention will be described in detail with reference to the position relationship of the optical transmission and reception unit 140, 150, 240 with reference to the drawings.

As shown in FIG. 2A, the optical transmitter / receiver 150 is positioned to face the optical transmitter / receiver 240 when the slide 200 is closed, and the optical transmitter / receiver 140 is opened when the slide 200 is opened. Located in a position facing the optical transmitter and receiver 240 to transmit and receive a signal as an optical signal.

In an embodiment of the present invention, the optical transmitter / receiver 240 and the optical transmitter / receiver 150 may face each other, or the optical transmitter / receiver 240 and the optical transmitter / receiver 140 may transmit or receive signals only when facing each other. have. In other words, in a section in which the optical transmitters and receivers do not face each other, they are processed through a software method. For example, an error correction code method or an ACK / NAK method, which is a commonly used method, may be used as a method of detecting a data communication error. An error correction code is a method of checking and correcting an error of transmitted data. The / NAK method is a method of detecting a communication error by transmitting an ACK signal to the transmitting side if there is no error in the data transmitted from the receiving side receiving the data, and transmitting a NAK signal to the transmitting side if there is an error.

On the other hand, the main body 100 may further include a slide opening and closing detection unit for detecting the opening and closing of the slide unit 200. At this time, the controller 130 detects whether the slide unit 200 is in a closed state or an open state, and accordingly activates the optical transmitter / receiver 240 and the optical transmitter / receiver 150 when the slide unit 200 is closed. When the slide unit 200 is in an open state, the optical transmitter / receiver 240 and the optical transmitter / receiver 140 may be activated.

In one embodiment of the present invention, the signals transmitted and received are various, including data of the controller 130, addresses, control signals, key input signals of the input units 120 and 220, audio signals of the analog voice processor 170, and the like. Signals can be sent and received.

In an exemplary embodiment of the present invention, two optical transmitting and receiving units 140 and 150 are provided in the main body unit 100, and one optical transmitting and receiving unit 240 is provided in the slide unit 200. However, as another embodiment of the present invention, one optical transmitting and receiving unit may be provided in the main body unit 100 and two optical transmitting and receiving units may be provided in the slide unit 200.

3A and 3B are cross-sectional views illustrating a cross section of a slide type mobile communication terminal having an optical transmitter and receiver according to another embodiment of the present invention. 3A and 3B, the main body 100 includes one light transmitting and receiving unit 310, and the slide unit 200 includes two light transmitting and receiving units 320 and 330.

3A and 3B, the main body 100 includes an optical transmitter / receiver 310 for transmitting and receiving signals with an optical signal. The slide unit 200 is located in a position facing the optical transmitter and receiver 310 in a closed state of the slide unit 200, the optical transmitter and receiver 320 for transmitting and receiving signals with the optical transmitter and receiver 310 as an optical signal, Located in a position facing the optical transmitter 310 in the open state slide unit 200, and includes an optical transmitter and receiver 330 for transmitting and receiving signals with the optical transmitter and receiver 310 as an optical signal.

In the embodiment of FIGS. 3A and 3B, the optical transmitter / receiver 310 and the optical transmitter / receiver 320 face each other, or the optical transmitter / receiver 310 and the optical transmitter / receiver 330 face each other so as to transmit and receive a signal. can do. In other words, in a section in which the optical transmitters and receivers do not face each other, they are processed through a software method. For example, an error correction code method or an ACK / NAK method, which is a commonly used method, may be used as a method of detecting a data communication error. An error correction code is a method of checking and correcting an error of transmitted data. The / NAK method is a method of detecting a communication error by transmitting an ACK signal to the transmitting side if there is no error in the data transmitted from the receiving side receiving the data, and transmitting a NAK signal to the transmitting side if there is an error.

Meanwhile, in the embodiments of FIGS. 3A and 3B, the main body 100 may further include a slide opening / closing detection unit for detecting opening and closing of the slide unit 200. At this time, the controller 130 detects whether the slide unit 200 is in a closed state or an open state, and accordingly activates the optical transmitter / receiver 310 and the optical transmitter / receiver 320 if the slide unit 200 is closed. When the slide unit 200 is in an open state, the optical transmitter / receiver 310 and the optical transmitter / receiver 330 may be activated.

3A and 3B, the signals transmitted and received include data, an address, a control signal of the controller 130, a key input signal of the input units 120 and 220, an audio signal of the analog voice processor 170, and the like. Various signals can be transmitted and received.

The embodiment thus far has given an example of a slide type mobile communication terminal having three optical transmitting and receiving units. However, as another embodiment, there is an embodiment in which the slide type mobile communication terminal can be implemented as two optical transmitters and receivers by using an optical transmitter and receiver provided in parallel with the moving direction of the slide unit 200 to transmit and receive optical signals. 4A and 4B are cross-sectional views of a slide type mobile communication terminal having two optical transmitters and receivers according to another embodiment of the present invention.

4A and 4B, the slide unit 200 includes an optical transmitter / receiver 420 positioned to transmit and receive an optical signal in parallel with a moving direction of the slide unit 200. The main body 100 includes an optical transmitter / receiver 410 positioned to transmit and receive a signal with the optical transmitter / receiver 420 in a direction parallel to the moving direction of the slide unit 200.

In the embodiment of FIGS. 4A and 4B, a path where the optical transmitter / receiver 420 and the optical transmitter / receiver 410 face each other may be an empty space. In this case, a portion in which the optical signals of the optical transmitter and receiver 420 and the optical transmitter and receiver 410 are transmitted and received may protrude.

4A and 4B, the optical transmitter / receiver 420 and the optical transmitter / receiver 410 may be disposed to minimize the distance facing each other when the slide 200 is opened.

4A and 4B, the signals transmitted and received include data of the controller 130, an address, a control signal, a key input signal of the input units 120 and 220, an audio signal of the analog voice processor 170, and the like. Various signals can be transmitted and received.

While the invention has been described using some preferred embodiments, these embodiments are illustrative and not restrictive. Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the invention and the scope of the rights set forth in the appended claims.

As described above, according to the present invention, the optical transmission and reception unit is provided to transmit and receive data, thereby reducing the space occupied by the FPCB in the slide type mobile communication terminal. In addition, there is an effect that can improve the problems caused by the disconnection of the conventional FPCB.

Claims (11)

A first input unit for selecting a function desired by a user or inputting information; A display unit for displaying an image signal under control of the controller; A speaker for outputting a voice signal; A slide unit including a first optical transmission and reception unit for transmitting and receiving a signal as an optical signal; A second input unit for selecting a function desired by a user or inputting information; A memory for storing programs and data necessary for the mobile communication terminal to operate; A microphone for inputting a voice signal; A controller for controlling the overall operation of the mobile communication terminal; An analog voice processor for converting and amplifying a digital voice signal into an analog voice signal and outputting the amplified voice signal to a speaker, or for amplifying and converting a voice signal from a microphone into a digital signal; A second optical transmitter / receiver for transmitting and receiving a signal with the first optical transmitter and receiver located in a position facing the first optical transmitter and receiver with the slide unit closed; A main body part located at a position facing the first optical transmitting and receiving part in a slide state and including a third optical transmitting and receiving part for transmitting and receiving a signal with the first optical transmitting and receiving part with an optical signal; Connector for connecting slide part and main body part and supplying power to slide part Slide type mobile communication terminal, characterized in that consisting of. The method of claim 1, And transmitting and receiving a signal only when the first optical transmitter and the second optical receiver face each other or when the first optical receiver and the third optical receiver face each other. The method according to claim 1 or 2, The main body further includes a slide opening / closing detection unit for detecting opening and closing of the slide unit, and the control unit detects whether the slide unit is in a closed state or an open state, and accordingly, if the slide unit is in a closed state, the first light transmitting unit and the second light transmitting unit are received. And activating the unit and activating the first optical transmitter and the third optical receiver if the slide unit is open. A first input unit for selecting a function desired by a user or inputting information; A memory for storing programs and data necessary for the mobile communication terminal to operate; A microphone for inputting a voice signal; A controller for controlling the overall operation of the mobile communication terminal; An analog voice processor for converting and amplifying a digital voice signal into an analog voice signal and outputting the amplified voice signal to a speaker, or for amplifying and converting a voice signal from a microphone into a digital signal; A main body unit including a first optical transmission and reception unit for transmitting and receiving a signal with an optical signal; A second input unit for selecting a function desired by a user or inputting information; A display unit for displaying an image signal under control of the controller; A speaker for outputting a voice signal; A second optical transmitter / receiver configured to be located at a position facing the first optical transmitter and receiver in a closed state and to transmit and receive a signal with the first optical transmitter and receiver with an optical signal; A slide unit positioned at a position facing the first optical transmitter and receiver in an open state and including a third optical receiver for transmitting and receiving a signal with the first optical receiver and an optical signal; Connector for connecting slide part and main body part and supplying power to slide part Slide type mobile communication terminal, characterized in that consisting of. The method of claim 4, wherein And transmitting and receiving an optical signal only when the first optical transmitter and the second optical receiver face each other or when the first optical receiver and the third optical receiver face each other. The method according to claim 4 or 5, The main body further includes a slide opening / closing detection unit for detecting opening and closing of the slide unit, and the control unit detects whether the slide unit is in a closed state or an open state, and accordingly, if the slide unit is in a closed state, the first light transmitting unit and the second light transmitting unit are received. And activating the unit and activating the first optical transmitter and the third optical receiver if the slide unit is open. delete delete delete delete delete

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