KR200262071Y1 - Handsfree System - Google Patents

Abstract

The present invention relates to a hands-free system that ensures the driver's vision when using hands-free and at the same time makes the operation as convenient as possible. The hands-free system of the present invention is connected to a mobile phone to configure a hands-free system that facilitates a call while the driver is driving. A body installed between the steering wheel of the vehicle and the instrument panel; A microphone connected to the body and detecting a sound to enable a driver's voice transmission; And a speaker connected to the body and outputting the sound received from the mobile phone to the outside; thereby preventing accidents due to inadvertent forward movement and preventing the driver's instrument panel when not in use. Because the body is folded to lie down or stored inside the vehicle, it makes it possible to utilize the space inside the vehicle very efficiently without disturbing the driving of the vehicle, and enables quick, accurate and simple communication and operation, and the sensitivity of the call. It has a good voice recognition rate, improves intimacy with the caller, improves the aesthetics of the product by designing a sense of unity with the vehicle, especially the steering wheel and the instrument panel, and can be used for various purposes. This has the effect of increasing the value of the product and upgrading the product.

Description

Hands Free System

The present invention relates to a hands-free system, and more particularly, to a hands-free system that ensures the driver's field of vision when hands-free use and at the same time makes the operation as convenient as possible.

In general, the vehicle hands-free system performs a function of a mobile phone even when the mobile phone is not directly carried so that the driver does not cause a disturbance due to a mobile phone call while driving. The voice signal received by the mobile phone is amplified and delivered to the driver. And, by inputting the user's voice into the microphone is configured to send through the mobile phone.

Such a hands-free system is a configuration in which a mobile phone is typically mounted, and outputs received data of the mobile phone to a speaker, and is provided with a mobile phone cradle and a microphone connected to the mobile phone cradle for receiving a power from a cigar jack to perform a mobile phone charging function. .

Here, the mobile phone holder of the conventional hands-free system is usually installed in the center of the front panel or in front of the front passenger's seat to secure the driver's movement during the driving operation, the microphone is installed protruding to the mobile phone holder to adjust the direction to face the driver. It was a composition that I could.

However, such a conventional hands-free system, because the installation position is installed in the center of the driver's front panel or in front of the front passenger's seat, it is impossible for the driver to operate according to the reception and transmission of the mobile phone while the driver is looking forward to concentrate on driving. In order to receive and transmit a mobile phone, the field of view is shifted toward the front passenger's seat, i.e., about 90 degrees from the front, so that the driver cannot move forward, and the field of view may be disturbed, causing an accident.

In addition, it is installed in the center of the driver's front panel or the front passenger's seat space occupies a lot of the interior space of the vehicle, it is not neat in appearance, there was a problem that the driving assistant sitting in the passenger seat in the event of a collision.

In addition, the conventional hands-free system has a problem that it is difficult to quickly and easily talk or operate because the distance is far from the driver, and the microphone is far from the driver's mouth to reduce the call sensitivity.

In addition, the hands-free system of Jonghae, a design that does not give a sense of unity with the vehicle, the aesthetics of the product falls, there was a problem that did not upgrade the product because it could not perform a variety of functions.

On the other hand, in order to solve such a conventional problem, a hands-free lamp for attaching a body or a wireless remote controller to the steering wheel or the steering wheel of the steering wheel has been developed, but this may increase the impact on the driver's body when the airbag is inflated or suddenly stopped. As it is very dangerous for safety, the moment when operating by hand to use the hands-free, there is a problem that the risk of an accident increases because the forward viewing angle is also inclined severely as the driver's focus in the distant position is changed very close.

In addition, the conventional hands-free has a problem in that the risk of an accident is increased because one hand of the driver cannot be moved from the handle during the hands-free operation and the driver has to leave the handle.

An object of the present invention for solving the problems described above, the installation position is installed between the steering wheel and the instrument panel to operate the operation according to the mobile phone reception and transmission without missing the eyes while the driver is in the forward direction, that is, forward attention It is to provide a hands-free system that can easily prevent accidents caused by inadvertent forward movement.

In addition, another object of the present invention is installed behind the steering wheel, does not invade the interior space of the vehicle, does not pose a hazard to both the driver and driver assistant in the event of an accident, and does not interfere with the open airvek space to ensure safety The aim is to provide a hands-free system.

In addition, another object of the present invention, because the body is folded to lie down to accommodate the driver's instrument panel when not in use, or is stored inside the vehicle, utilizing the internal space of the vehicle very efficiently without disturbing the driving of the vehicle To provide a hands-free system.

In addition, another object of the present invention, the distance of the body from the driver is very close to enable quick, accurate and simple communication and operation, the distance of the microphone is very close to the driver's mouth, excellent call sensitivity, good voice recognition rate In addition, the present invention provides a hands-free system that can improve the intimacy with the caller.

In addition, another object of the present invention is to design a sense of unity with the vehicle, especially the steering wheel and the instrument panel, the aesthetics of the product is good, it can be used for various purposes by performing various functions to increase the value of the product and to enhance the product It is to provide a hands-free system.

In addition, another object of the present invention is to provide a hands-free system that is safe at the time of inflation or sudden stop of an airbag, and frees both hands of a driver, such as a claw operation.

1 is a conceptual diagram showing a hands-free system according to an embodiment of the present invention.

2 is a conceptual diagram illustrating a hands-free system according to an exemplary embodiment of the present invention.

3 is a conceptual diagram illustrating a hands-free system according to another preferred embodiment of the present invention.

4 is a front view illustrating an example of FIG. 1.

5 is an enlarged view illustrating the body of FIG. 4 in more detail.

6 is a perspective view showing a body state when not in use of FIG.

FIG. 7 is a perspective view illustrating a body state when using FIG. 5. FIG.

8 is a front view illustrating another example of FIG. 5.

9 is a front view illustrating another example of FIG. 8.

10 is a front view showing a hands-free system according to another preferred embodiment of the present invention.

The hands-free system of the present invention for achieving the above object comprises: a body installed between a steering wheel of the vehicle and an instrument panel in a hands-free system connected to a mobile phone to facilitate a call while the driver is driving; A microphone connected to the body and detecting a sound to enable a driver's voice transmission; And a speaker connected to the body and outputting a sound received from a mobile phone to the outside. Characterized in that comprises a.

In addition, the body is erected in use, and lying down when not in use, including a hinge fixed to the instrument panel front horizontal panel or steering wheel fixing panel to secure the driver's dashboard visibility, further includes a folding angle fixing means to maintain the folding angle of the hinge portion Or, the body is drawn out in use, and stored when not in use is guided to guide the lifting movement of the body inside the horizontal panel front panel to secure the driver's instrument panel visibility, the elevating to raise and lower the body It is possible to further comprise means.

In addition, the hands-free system of the present invention is preferably installed in the body, and can input keys such as cellular phone outgoing / receiving phone numbers and / or various symbols / problems / numbers, so that identification in a dark place is easy. A keypad capable of emitting light; A speaker installed at the body and outputting a sound received from a mobile phone to the outside; Installed in the body, mobile phone origination / reception phone number and / or mobile phone status information (power status, mobile phone charging status, launch / reception status, standby / call status, etc.), vehicle status information (vehicle speed, engine RPM) Fuel flow, engine temperature, images captured by high-performance cameras installed on the front, rear, and side of the vehicle, vehicle location information (satellite navigation information, etc.), audio / video information (TV broadcast information, CD-ROM, DVD) A display unit for displaying movie information and the like), image information of the IMT2000, numeric / character information for a memo (calculator function, contact or telephone number when parking), and various symbol / character / video information; A camera installed on the body and transmitting a photograph of a driver to a mobile phone; And installed in the body and connected to a mobile phone, a data line, and a power line according to a user's control key input, receive the received information of the mobile phone, and output the received information to the speaker and the display unit, and transmit to the microphone, keypad, and camera. The controller may further include a control unit which receives the information and transmits the information to the mobile phone and controls the power unit so that power is applied only when it is used.

On the other hand, the hands-free system of the present invention for achieving the above object, in the configuration of the hands-free system connected to the mobile phone to facilitate the driver while driving, the body is integrally installed in the through-window facing the instrument panel of the vehicle steering wheel; A microphone installed in the body and detecting a sound to enable a driver's voice transmission; And a display unit installed at the body and outputting instrument panel information of the vehicle.

Hereinafter, a hands free system according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First, as shown in Figure 1, the hands-free system according to a preferred embodiment of the present invention, is connected to a mobile phone to facilitate the call of the driver while driving, the body 10, the microphone 20 and the speaker (It is a structure including 30_.

Here, the body 10, which is installed between the steering wheel 1 and the instrument panel 2 of the vehicle, is a structure that partially covers the field of view of the driver's instrument panel 2 when in use, but actually driving during the call to look ahead Since it is extremely rare for the driver to check the instrument panel 2 in a situation, even if the body 10 partially covers the field of view of the instrument panel 2 during hands-free use, there is no problem in driving.

In addition, even if the body 10 is large in size, the speedometer indicating needle is approximately 80 Km or more close to the vertical, and the user may recognize the speedometer. If the size of the body 10 is slightly reduced, the speedometer is approximately 60 Km or more. The discomfort that the body 10 obscures the view of the instrument panel 2 is minimal because it is possible.

In addition, even if the body 10 obscures the view of the instrument panel 2, by displaying the instrument panel 2 information on the display unit 60 of FIG. 5, which will be described later, the driver can check the speed or oil supply of the vehicle even during a hands-free call. It is possible to have.

In addition, as shown in FIG. 1, the body 10 is erected in use, and the hinge portion 10a fixed on the front horizontal panel of the instrument panel 2 so that the driver's instrument panel 2 can be secured while lying down when not in use. It includes, the angle adjustable joint device that is twisted by a predetermined angle when pressing a predetermined force or more as part of the folding angle fixing device to maintain the folding angle of the hinge portion (10a).

Here, the folding angle fixing device can be used in various kinds of fixing devices, such as a stopper articulated device that is erected by a stopper and erected automatically by a stopper, and the technology for such various joint devices and fixing devices has already been described. As a well-known and widely used technique, it is a technique which can be easily modified and changed by those skilled in the art.

On the other hand, as shown in Figure 1, the microphone 20 is connected to or installed in the body 10, and detects the sound to enable the driver's voice transmission, usually folded on the body 10. It is a fold-up structure to expand to the outside when in use.

In addition, as shown in FIGS. 6 and 7, the microphone 20 may be a high-performance built-in structure embedded in the body 10 or may be flexibly freely bent, as is widely used. It is also possible to be manufactured in a protruding structure that is installed in the blister tube and protrudes outward.

In addition, the speaker 30 is connected to the body 10 or installed in the body 10, and outputs the sound received from the mobile phone to the outside, as shown in Figs. It is also possible to be installed on the front left and right of the body 10, the body 10 may be installed on the rear.

In addition, as shown in FIG. 1, at least a double-sided sticker or adhesive or magnet is attached to the body 10, which is manufactured as a separate product, on the upper surface of the panel of the instrument panel 2 or the upper surface of the fixing panel of the steering wheel 1. The bottom plate 10b is provided, and the hinge portion 10a may be manufactured to be positioned between the bottom plate 10b and the body 10. In addition, it is possible to freely attach and use the hands free system of the present invention to any type of vehicle.

Therefore, when the driver hears a mobile phone ringing sound while driving, the body 10 is pushed in one-touch or the hands-free function by holding the right hand on the upper part of the finger and pressing the button. The body 10 can be laid down to end the hands-free function and can be operated while identifying the instrument panel 2.

In addition, when the driver wants to make a call, the body 10 is also set in one-touch manner or by hand by inputting a telephone number to be called through the keypad 40 of FIG. When the end is finished again the body 10 can be finished hands-free function.

Therefore, the installation position of the body 10 is installed between the steering wheel (1) and the instrument panel (2) so that the driver can operate according to the mobile phone reception and transmission without missing a gaze even while the vehicle is in the forward direction, i.e. Because it can be easier to prevent accidents due to carelessness in front of the premature, and installed behind the steering wheel (1) does not invade the interior space of the vehicle, the vehicle can use the interior space more efficiently.

In addition, as shown in FIG. 2, the body 10 may be attached to the upper surface of the steering wheel 1 fixing panel instead of the upper surface of the instrument panel 2 panel, and the body 10 is not manufactured separately. It is also possible to be folded to the steering wheel (1) panel is made in one body at the same time as the steering wheel (1) panel.

Therefore, since the vertical distance from the driver's hand is very close to 4 cm to 8 cm, it is easy for the driver to operate one-touch by easily pressing with a finger such as a middle finger.

In addition, as shown in FIG. 3, the body 10 is drawn out at the time of commercial use and is stored when not in use, so that the body 10 is inside the front horizontal panel of the instrument panel 2 so that the driver can secure the view of the instrument panel 2. A guide 50 for guiding the lifting and lowering of the body is formed, and an elastic spring 51 having a return force acting in the direction in which the body 10 is drawn out, and a stopper to maintain the storage state of the body 10. 52) is also possible.

In addition to the elastic spring 51 and the stopper 52, a lifting device for automatically raising and lowering the body by using various actuators and the like provided with a motor may be installed.

Therefore, when the driver hears a mobile phone ringing sound while driving, the caller can use the hands-free function by releasing the stopper 52 and drawing the body 10 from the guide 50 with the return force of the elastic spring 51. When it is finished, press the body 10 again with one touch to receive the body 10 inside the guide 50, end the hands-free function by locking it with the stopper 52, and drive the instrument panel 2 while identifying.

In addition, when the driver wants to make a call, the driver may release the stopper 52 to call the keypad 40 of FIG. 5 to be described later by drawing the body 10 with the return force of the elastic spring 51. By using the hands-free function by entering a phone number, and after the call, the body 10 can be pressed again by one touch to receive the inside of the guide 50 and lock the stopper 52 to end the hands-free function.

On the other hand, as shown in Figure 4 and 5, the hands-free system according to a preferred embodiment of the present invention, in addition to the body 10, the microphone 20 and the speaker 30, the keypad 40 and, It is the structure comprised further including the display part 60, the camera 70, and a control part.

That is, as illustrated in FIGS. 5 to 7, the keypad 40 is installed in the body 10 and inputs a key such as a mobile phone outgoing / receiving phone number and / or various symbols / letters / numbers. The light emitting device may emit light to facilitate identification in a dark place.

In addition, the display unit 60 is installed on the front of the body 10, the mobile phone outgoing / receiving phone number and / or mobile phone status information (power status, mobile phone charging status, outgoing / receiving status, standby / call) Status, etc.), vehicle status information (vehicle speed, engine RPM, fuel flow rate, engine temperature, images taken by high-performance cameras installed in front, rear, and side of the vehicle), vehicle location information (satellite navigation information, etc.) , Audio / video information (TV broadcasting information, CD-ROM, DVD movie information, etc.), image information of IMT2000, numeric / character information for memo (calculator function, contact or telephone number when parking), various symbols / text / video A thin film type display device for displaying information.

In addition, the display unit 60 may be a touch pad type display device in which various keypads and control keys are displayed in the form of icons.

On the other hand, the camera 70 is not necessary, but may be installed in the body 10 in order to prepare for the IMT2000, it is possible to take a picture of the driver and transmit it to the mobile phone.

In addition, the control unit is installed in the body 10, connected to the mobile phone and the data line and the power line according to the input of the control key 80 of the user receives the received information of the mobile phone 30 and the display unit Output to (60), the microphone 20, the keypad 40 and the camera 70 receives the transmission information is transmitted to the mobile phone, and is configured to control the power supply so that power is applied only when used.

6 and 7, the control key 80 includes a recording key, a secret call key, an end key, a call key, a power key, and the like, and a microphone volume control key 81; Speaker volume adjustment key 82 may be included.

On the other hand, the hands-free system of the present invention, the mobile phone is mounted, the power supply via the cigar jack (4) to charge the mobile phone, the mobile phone stand connected to each other by the mobile phone and the body 10 and the data line and power line (5) ).

The configuration of the mobile phone holder 5 is to serve only to mount the mobile phone and to connect the mobile phone and the body 10, the installation position does not matter anywhere in the vehicle.

Therefore, as shown in FIG. 6, when the hands free is not used, that is, the body 10 is folded on the upper surface of the panel of the instrument panel 2 so that the body 10 does not obstruct the view of the instrument panel 2, as shown in FIG. 7. In the hands-free use, when the power is applied to the body 10 by the control unit that detects the body 10 at the same time as the body 10 stands up, the driver operates the keypad 40 to emit light or various control keys 80. When a command is input to the controller by using the receiving information of the mobile phone mounted on the mobile phone holder 5 is outputted to the speaker 30 and the display unit 60, the microphone 20 and By receiving the transmission information through the keypad 40 and the camera 70, the hands-free function and various IMT2000 communication are possible while transmitting to the mobile phone, and the state of the vehicle (the state of the dashboard and the state of the front and rear sides of the vehicle, etc.) is confirmed. Or in addition to you can enjoy wireless internet, navigator, and broadcast / film and so on.

On the other hand, as shown in FIG. 5, the body 10 preferably forms an externally distorted oval shape while drawing a smooth curve in a shape corresponding to the through-window 6 of the steering wheel 1, It is possible to form a rectangle as shown in FIG. 8 or to be completely oval as shown in FIG.

Therefore, the design of the vehicle, in particular, the steering wheel (1) and the instrument panel (2) to give a sense of unity, the product has a good aesthetics, it can be used for various purposes by performing a variety of functions to increase the value of the product and to enhance the product will be.

On the other hand, as shown in Figure 10, the hands-free system according to another embodiment of the present invention is a hands-free system that is connected to the mobile phone to facilitate the call of the driver while driving, the body 10 largely integrated with the steering wheel And a display unit 60 capable of displaying the microphone 20 and the instrument panel information.

That is, the body 10 may be integrally installed in the through-window 6 of the vehicle steering wheel 1, the microphone 20 and the speaker 30 may be installed in the body 10, the display unit 60 is provided in the body 10, and is configured to output the instrument panel 2 information of the vehicle.

In addition, the body 10, the keypad 40 for inputting a key such as a cell phone outgoing / incoming phone number and / or various symbols / letters / numbers, and a cell phone outgoing / incoming phone number and / or cell phone Display unit 60 for displaying status information, vehicle status information, vehicle location information, audio / video information, IMT2000 image information, memo numeral / letter information, various symbols / text / video information, and the driver's appearance. The camera 70 is connected to the mobile phone, the data line, and the power line according to the photographing and transmitting to the mobile phone, and receives the received information of the mobile phone and outputs the received information to the speaker 30 and the display unit 60. A control unit may be installed to receive the transmission information through the microphone 20, the keypad 40, and the camera 70, transmit the received information to the mobile phone, and control a power unit.

Therefore, the instrument panel 2 function can be given to the vehicle steering wheel 1 in place of the existing instrument panel 2, and it is configured to perform the hands-free function and various vehicle assist functions, thereby securing the driver's forward field of view and Easy operation is possible, it is also possible to attach the body 10 to the existing steering wheel or to manufacture a hands-free system integrated with the steering wheel 1 of the present invention from the vehicle manufacturer.

Therefore, it is safe when the airbag is inflated or suddenly stopped, and there is an advantage in that the driver can free both hands, such as a clock operation.

The present invention is not limited to the above-described embodiment, and of course, modifications by those skilled in the art are possible without departing from the spirit of the present invention.

For example, although the vehicle is limited to a passenger car in an embodiment of the present invention, it is possible to be applied to all vehicles, and the body may be installed in the left and right through windows or the lower through windows instead of the driver's instrument panel through windows. The appearance of the display unit and the like can be produced in a wide variety of designs.

Therefore, the scope of the claims in the present invention is not defined within the scope of the detailed description, but will be defined by the claims and the technical spirit thereof.

As described above, according to the hands-free system of the present invention, the installation position is installed between the steering wheel and the instrument panel, so that the driver can easily operate the mobile phone by receiving and transmitting the mobile phone without missing a gaze while the vehicle is in the forward direction, that is, the forward attention. This prevents accidents caused by inadvertent frontage, and is installed behind the steering wheel so that the vehicle does not invade the interior space, and does not pose a danger to both the driver and the assistant in case of an accident. It is designed to ensure safety by not interfering with the space, and to allow the driver to observe the instrument panel when not in use so that the body is folded and laid down or stored inside the vehicle. Very efficient use and very close to the body Quick, accurate and easy call and operation, and the microphone is very close to the driver's mouth, so it has excellent call sensitivity, good voice recognition, and improved contact with the caller. The design gives a sense of unity with the instrument panel, and the product has a good aesthetic feeling, and because it can be used for various purposes by performing various functions, it has the effect of enhancing the value of the product and enhancing the quality of the product.

Claims (9)

In constructing a hands-free system that is connected to a mobile phone and facilitates a call while the driver is driving, A body installed between the steering wheel of the vehicle and the instrument panel; A microphone connected to the body and detecting a sound to enable a driver's voice transmission; And / or A speaker connected to the body and outputting a sound received from a mobile phone to the outside; Hands free system, characterized in that comprises a. The method of claim 1, The body is erected in use, and lying down when not in use, including a hinge fixed to the instrument panel front horizontal panel or steering wheel fixing panel to secure the driver's instrument panel visibility, further comprises a folding angle fixing means to maintain the folding angle of the hinge portion Hands free system, characterized in that. The method of claim 1, The body is drawn out in use, and is stored when not in use to guide the lifting movement of the body is formed inside the horizontal panel front panel to secure the driver's instrument panel view, further comprising lifting means for lifting the body up and down Hands-free system, characterized in that consisting of. The method according to any one of claims 1 to 2 and 3, A keypad installed in the body and capable of inputting a key such as a cellular phone outgoing / receiving phone number and / or various symbols / letters / numbers, and capable of emitting light for easy identification in a dark place; A speaker installed at the body and outputting a sound received from a mobile phone to the outside; Installed in the body, mobile phone outgoing / receiving phone number and / or mobile phone status information (power status, mobile phone charging status, outgoing / receiving status, standby / call status, etc.), vehicle status information (vehicle speed, engine RPM , Fuel flow rate, engine temperature, images taken by high-performance cameras installed on the front / rear / side of the vehicle, vehicle location information (satellite navigation information, etc.), audio / video information (TV broadcast information, CD-ROM, DVD) Display unit for displaying movie information and the like), image information of IMT2000, numeric / character information for memo (calculator function, contact number or telephone number when parking), and various symbols / characters / image information; A camera installed on the body and transmitting a photograph of a driver to a mobile phone; And A camera installed on the body and transmitting a photograph of a driver to a mobile phone; And It is installed on the body, connected to the mobile phone, data line and power line according to the user's control key input and receives the received information of the mobile phone and outputs it to the speaker and the display unit, and transmits the transmission information to the microphone, keypad and camera Receiving and transmitting to the mobile phone, the control unit for controlling the power supply so that power is applied only when used; Hands free system characterized in that it further comprises. The method of claim 1, A mobile phone is mounted, a mobile phone holder which is supplied with power through a cigar jack to charge the mobile phone, and connected to each other by the mobile phone and the body oh data line and power line; Hands free system characterized in that it further comprises. The method of claim 1, The body is formed in a shape corresponding to the through-window of the steering wheel, the microphone is at least a built-in type built into the body, or installed in a flexible tube bend freely protruding outward, or is normally folded to the body Hands-free system, characterized in that any one of the folding type and a combination thereof so as to expand to the outside when in use. The method of claim 1, An attachment means of at least one of a double-sided sticker, a magnet, a permanent adhesive, integrally formed with the panel, and a combination thereof to secure the body to the steering wheel front panel or the instrument panel panel; Hands-free system, characterized in that further comprises. In constructing a hands-free system that is connected to a mobile phone and facilitates a call while the driver is driving, A body integrally installed in the through-window facing the instrument panel of the vehicle steering wheel; A microphone installed in the body and detecting a sound to enable a driver's voice transmission; And / or A display unit installed at the body and outputting instrument panel information of the vehicle; Hands free system characterized in that it further comprises. The method of claim 8, A keypad installed in the body and capable of inputting keys such as cellular phone outgoing / receiving phone numbers and / or various symbols / letters / numbers; A speaker installed at the body and outputting a sound received from a mobile phone to the outside; Installed in the body, mobile phone outgoing / receiving phone number and / or mobile phone status information (power status, mobile phone charging status, outgoing / receiving status, standby / call status, etc.), vehicle status information (vehicle speed, engine RPM , Fuel flow rate, engine temperature, images taken by high-performance cameras installed on the front / rear / side of the vehicle, vehicle location information (satellite navigation information, etc.), audio / video information (TV broadcast information, CD-ROM, DVD) Display unit for displaying movie information and the like), image information of IMT2000, numeric / character information for memo (calculator function, contact number or telephone number when parking), and various symbols / characters / image information; A camera installed on the body and transmitting a photograph of a driver to a mobile phone; And Is installed in the body, connected to the mobile phone, data line and power line in accordance with the user's control key input receives the received information of the mobile phone and outputs to the speaker and the display unit, and transmits the transmission information to the microphone, keypad O camera A control unit for receiving and transmitting to the mobile phone and controlling a power unit; Hands free system characterized in that it further comprises.