KR20010099284A - Handsfree system - Google Patents

Abstract

The present invention relates to a hands-free system which 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 driver's call while driving The body is installed between the steering wheel and the instrument panel of the vehicle; 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

Handsfree system {Handsfree 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 during 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 is far from the driver, which makes it difficult to quickly and easily call or operate the microphone, and the microphone is far from the driver's mouth, thus reducing the call sensitivity, the voice recognition rate, and the intimacy with the caller in the call. There were many problems.

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

On the other hand, in order to solve such a conventional problem, hands-free and the like has been developed to attach the body or wireless remote control to the claw portion of the steering wheel or the steering wheel handle, which may increase the impact on the driver's body when inflating or suddenly stopping the airbag 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 accident increases because the forward viewing angle is also inclined severely as the driver's focus of the distant place is changed to very near.

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 perform the operation according to the mobile phone reception and transmission without missing the eyes while the driver is in the forward direction of the vehicle, 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 to be installed behind the steering wheel does not invade the interior space of the vehicle, does not pose a hazard to both the driver and the driving assistant in the event of an accident, do not interfere with the deployed airbag space to ensure safety It is to provide a hands-free system.

In addition, another object of the present invention, because the body is folded to lie down or accommodated inside the vehicle so that the driver's instrument panel gaze when not in use, it can utilize the interior 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 is that 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, in particular the steering wheel and the instrument panel good aesthetics of the product, 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 illustrating a hands-free system according to an exemplary embodiment of the present invention.

2 is a conceptual diagram illustrating a hands-free system according to another 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, in the configuration of the hands-free system connected to the mobile phone to facilitate the call of the driver while driving, the body is 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 a sound received from a mobile phone to the outside.

In addition, the body is erected in use, and lying down when not in use includes a hinge fixed to the instrument panel front horizontal panel or steering wheel fixing panel to ensure the driver's instrument panel 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, the guide is formed inside the horizontal panel front panel to guide the lifting movement of the body so as to secure the driver's instrument panel visibility, the lifting and lowering 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 / letters / numbers, so as to facilitate identification in a dark place. 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, 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 on the front / rear / side of the vehicle, vehicle location information (satellite navigation information, etc.), audio / video information (TV broadcasting 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 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, output the received information to the speaker and the display unit, and transmit the transmission information to the microphone, the keypad, and the camera. The controller may further include a control unit which controls the power unit so that power is applied only when it is used and is transmitted to the mobile phone.

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 call of 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 to be transmitted; 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 an embodiment of the present invention, which is connected to the 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 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 obscures the 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, and if the size of the body 10 is reduced, the speedometer is approximately 60 Km or more. The discomfort that the body 10 obstructs the view of the instrument panel 2 is extremely minimal because it is possible.

In addition, even if the body 10 obstructs the field of view of the instrument panel 2, the instrument panel 2 information is displayed on the display unit 60 of FIG. 5, which will be described later, so that the driver can check the speed or oil supply of the vehicle even during a hands-free call. It is also possible.

In addition, as shown in Figure 1, the body 10 is erected in use, the hinge portion 10a which is fixed on the front panel of the instrument panel 2 to secure the driver's instrument panel 2 field of view when lying unused. 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 type joint device that is erected by a stopper automatically erected by one-touch type, and the technology for such various joint devices and fixing devices have already been 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.

Meanwhile, as shown in FIG. 1, the microphone 20 is connected to or installed in the body 10, and detects sound so that a driver's voice can be transmitted, and is normally folded to 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 although not shown. It is also possible to be produced in a protruding structure that is installed in the blister tube and protrudes to the outside.

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, it is also possible to be installed on the rear of the body (10).

In addition, as shown in Figure 1, to attach the body 10 made of a separate product to the upper surface of the instrument panel (2) panel or the top of the steering wheel (1) fixed panel is attached by at least a double-sided sticker or adhesive or magnet 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. It is also 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 stands in one-touch mode or by hand, while using the hands-free function. You can drive while identifying.

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 phone number to call 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 perform the operation according to the mobile phone reception and transmission without missing a gaze even while the vehicle is in the forward direction, that is, forward attention. Because it can be made easier to prevent accidents due to carelessness in front of the front, it is installed behind the steering wheel (1) can be used more efficiently to use the interior space of the vehicle does not invade the interior space of the vehicle.

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 panel of the instrument panel 2, and the body 10 is not manufactured separately. It is also possible to be integral with the steering wheel (1) of the panel to be folded on 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 in use and stored when not in use, so that the body 10 is located inside the front panel of the instrument panel 2 so that the driver's instrument panel 2 can be secured. Guide 50 for guiding the lifting and lowering of the movement is formed, the elastic spring 51 acting a return force in the direction in which the body 10 is drawn out, and the stopper so that the receiving state of the body 10 is maintained ( 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 releases the stopper 52 and draws the body 10 from the guide 50 by the return force of the elastic spring 51 to use the hands free function. When finished, the body 10 can be pressed again with one touch to receive the body 10 inside the guide 50, to end the hands-free function by locking with the stopper 52, and to operate while identifying the instrument panel 2.

In addition, when the driver wants to make a call, the caller can be called through the keypad 40 of FIG. 5 to be described later by releasing the stopper 52 and 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 an 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 shown 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 the status information of the mobile phone (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 / characters / 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 It outputs to 60, receives the transmission information to the microphone 20, the keypad 40 and the camera 70 and transmits it to the mobile phone, and controls the power supply unit so that power is applied only when it is 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 mobile phone stand that is supplied with power through the cigar jack (4) to charge the mobile phone, 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.

Accordingly, 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, As shown in FIG. 8, it is possible to be formed into a rectangle or as shown in FIG. 9, to be completely oval shaped.

Therefore, the design of the unit, especially with the steering wheel (1) and the instrument panel (2), the aesthetics of the product is good, 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 preferred embodiment of the present invention is a hands-free system that is connected to a 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 The display unit 60 which displays status information, vehicle status information, vehicle location information, audio / video information, IMT2000 image information, memo numeral / letter information, various symbols / text / video information, and a driver's appearance. The camera 70 is connected to the mobile phone, the data line, and the power line according to the input of the camera 70 and the user's control key, and receives the received information of the mobile phone. The controller 20 may receive a 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 supply 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 that the driver's two hands can be freed, such as a clock operation.

The present invention is not limited to the above-described embodiments, and of course, modifications may be made by those skilled in the art without departing from the spirit of the present invention.

For example, in the embodiment of the present invention, the vehicle is limited to a passenger car, but may 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. Appearance or the display unit may be manufactured in a wide variety of designs.

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

According to the hands-free system of the present invention as described above, the installation position is installed between the steering wheel and the instrument panel to facilitate the operation according to the mobile phone reception and transmission without missing the eyes while the driver is in the forward direction of the vehicle, that is, forward attention. This prevents accidents caused by inadvertent driving in front of the vehicle, and is installed behind the steering wheel so as not to invade the interior space of the vehicle, and not dangerous 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 It allows quick, accurate and simple communication and operation, and the distance of the microphone is very close to the driver's mouth, so it has excellent call sensitivity, good voice recognition rate, and improved intimacy with the caller. In addition, the design of the instrument panel and the sense of unity, good aesthetics, it can be used for a variety of functions by performing a variety of functions to increase the value of the product and to have the effect of enhancing 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 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 front panel of the instrument panel to secure the visibility of the driver's instrument panel, and further includes 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 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, 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 on the front / rear / side of the vehicle, vehicle location information (satellite navigation information, etc.), audio / video information (TV broadcasting 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 according to the user's control key input receives the mobile phone's reception information and outputs to the speaker and the display unit, receiving the transmission information to the microphone, keypad and camera A control unit which transmits to the mobile phone and controls a power unit so that power is applied only when the cell phone is used; Hands free system characterized in that it further comprises. The method of claim 1, A mobile phone is mounted, and is supplied with power through a cigar jack to charge the mobile phone, the mobile phone cradle connected to each other by the mobile phone and the body, data lines and power lines; 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 A display unit installed at the body and outputting instrument panel information of the vehicle; Hands free system, characterized in that comprises a. 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, 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 on the front / rear / side of the vehicle, vehicle location information (satellite navigation information, etc.), audio / video information (TV broadcasting 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 according to the user's control key input receives the mobile phone's reception information and outputs to the speaker and the display unit, receiving the transmission information to the microphone, keypad and camera A control unit for transmitting to the mobile phone and controlling a power supply unit; Hands free system characterized in that it further comprises.