KR200257207Y1 - Hands-free device of room mirror type - Google Patents

Abstract

The present invention provides a hands-free device comprising: a main housing; A circuit unit embedded in the main housing, the circuit unit including a power switch, a plurality of function selection switches, and a hands-free driving circuit for executing a corresponding function mode; A battery unit which supplies driving power to the circuit unit in response to a power supply signal; A mobile phone connection cord connected to the circuit unit; A multi-jack having a specification corresponding to a model of a mobile phone to be applied, coupled to an end of the mobile phone connection cord, and connected to an input connector of the mobile phone; A front cover attached to the front surface of the main housing; It provides a room mirror hands-free device, characterized in that it comprises a mirror attached to the front of the front cover. In addition, the room-mirror hands-free device of the present invention is installed in the vehicle location and proximity sensor for detecting the proximity of the obstacle; It is provided on one side of the mirror further includes a proximity state display unit for outputting the distance and direction with respect to the obstacle detected by the proximity sensor.

Description

Room mirror type hands-free device {HANDS-FREE DEVICE OF ROOM MIRROR TYPE}

The present invention relates to a hands free device, and more particularly to a room mirror type hands free device.

As traffic accidents increase due to the use of mobile phones while driving, each country has enacted various laws to regulate the use of mobile phones while driving. Korea also provides penalties and penalties for mobile phone users while driving. Efforts are being made to reduce the occurrence of traffic accidents caused by the use of mobile phones.

As a result of this social trend, each hands-free company is developing a new type of hands-free product with stability and practicality. One of them is a room mirror type hands-free device. The room mirror hands-free device is a hands-free device that can be installed in the position closest to the driver and has many advantages in that it is incorporated in an existing car room mirror instead of installing a new device separately on a dashboard or the like.

However, since the conventional room mirror hands-free device needs to receive driving power from the vehicle's power supply, it is inconvenient to install, such as a separate installation process for connecting the cable line of the room mirror-type hands-free device to the indoor light or the cigar jack. There was a problem of damaging the appearance of the vehicle.

In addition, the conventional room mirror type hands-free device has a limitation in that it cannot be used for a newly developed mobile phone model and a mobile phone model that is missing during initial development because the model of the mobile phone applicable at the time of product development is set.

In order to solve the above problems, an object of the present invention is to provide a room mirror-type hands-free device that has a power supply means that can be recharged itself, and that the installation process is simple and does not damage the vehicle during installation.

In addition, another object of the present invention is to provide a room mirror hands-free device that can be applied to all mobile phones regardless of the product developer, product model.

In addition, another object of the present invention is to provide a room mirror hands-free device that is easy to test the use state, such as whether the operation and normal operation of each function.

In addition, another object of the present invention is to provide a room mirror type hands-free device that detects the presence or absence of obstacles and the distance from the vehicle to inform the driver when reversing.

In order to achieve the above object, the present invention provides a hands-free device comprising: a main housing; A circuit unit embedded in the main housing, the circuit unit including a power switch, a plurality of function selection switches, and a hands-free driving circuit for executing a corresponding function mode; A battery unit which supplies driving power to the circuit unit in response to a power supply signal; A mobile phone connection cord connected to the circuit unit; A multi-jack having a specification corresponding to a model of a mobile phone to be applied, coupled to an end of the mobile phone connection cord, and connected to an input connector of the mobile phone; A front cover attached to the front surface of the main housing; It provides a room mirror hands-free device, characterized in that it comprises a mirror attached to the front of the front cover.

The present invention also provides a hands-free device comprising: a main housing; A circuit unit embedded in the main housing, the circuit unit including a power switch, a plurality of function selection switches, and a hands-free driving circuit for executing a corresponding function mode; A battery unit for supplying driving power to the circuit unit; A speaker phone for outputting a voice signal input to the circuit unit; A mobile phone connection jack connected to the earphone jack of the mobile phone, a microphone for receiving a caller's voice and converting it into an electric signal, a microphone circuit for providing the electric signal to the mobile phone connection jack, and providing the other party's voice signal input through the mobile phone connection jack to a transmitter A microphone unit comprising a speaker circuit and a transmitter for wirelessly transmitting an input counterpart voice signal to the circuit unit; A front cover attached to the front surface of the main housing; A mirror attached to the front surface of the front cover; A proximity detection sensor installed at a vehicle location and detecting proximity of an obstacle; It is provided on one side of the mirror provides a room mirror hands-free device comprising a proximity state display unit for outputting the distance and direction with respect to the obstacle detected by the proximity sensor.

1 is an exploded perspective view of a room mirror type hands free device according to a first embodiment of the present invention;

2 is a front view of a room mirror hands free device according to a first embodiment of the present invention;

3 is a cross-sectional view of the front cover and the mirror of the room mirror type hands free device according to the first embodiment of the present invention;

4 is a perspective view showing the multi-jack of the room mirror hands-free device according to the first embodiment of the present invention,

5 is a block diagram showing a multi-jack of the room mirror hands-free device according to a first embodiment of the present invention,

6 is a perspective view of a room mirror hands free device according to a second embodiment of the present invention;

Figure 7 is a block diagram showing a microphone unit of a room mirror hands-free device according to a second embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

110: main housing 120: front cover

130: mirror 140: circuit portion

150: battery unit 160: mobile phone connection cord

170: multi jack

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, if it is determined that the detailed description of the 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 exploded perspective view of a room mirror hands free device according to a first embodiment of the present invention, FIG. 2 is a front view of a room mirror hands free device according to a first embodiment of the present invention, and FIG. 4 is a perspective view illustrating a multi-jack of a room mirror hands free device according to a first embodiment of the present invention, and FIG. 5 is a perspective view illustrating a multi-jack of the room mirror hands free device according to a first embodiment of the present invention. Is a block diagram showing a multi-jack of the room mirror hands-free device according to the first embodiment of the present invention.

1 to 5, the room mirror type hands-free device 100 according to the preferred embodiment of the present invention includes a main housing 110, a front cover 120, a mirror 130, and hands-free, which are largely a room mirror part. The denial circuit unit 140 and the battery unit 150, the connection part mobile phone connection code 160 and the multi-jack 170, the proximity state display unit 180 and the collision warning unit and the proximity detection sensor 190.

1. Room mirror

The main housing 110 protects the built-in circuit unit 140 and is an outer cover member mounted to the room mirror of the vehicle. The main housing 110 has mounting means 112 on both sides of the rear surface. The mounting means 112 allows the installation of the room mirror hands-free device of the present invention without the need to mount the room mirror installed in the existing vehicle. In addition, the mounting means 112 can be adjusted up and down intervals can be installed regardless of the room mirror size of the vehicle.

The front cover 120 is a front cover member attached to the front surface of the main housing 110. The front cover 120 has an operation panel 126 having a mirror attachment groove 122 formed on the front surface, a rib 124 protruding from a side end of the mirror attachment groove 122, and a plurality of button holes BH. ). The front cover 120 is coupled to the main housing 110 in a fastening method or interference fit method using a fastener. The rib 124 is formed to protrude from the height of the mirror 130 is attached to the mirror attachment groove 122, not only to prevent the separation of the mirror 130 by the impact but also attached to the front cover 120 The sharp side end of the mirror 130 prevents the user's hand from being injured.

The mirror 130 is a reflective member attached to the front surface of the front cover 120. The mirror 130 is preferably silver coated. The silver coating treatment widens the view of the rear of the vehicle and prevents the eyes from being blinded by the headlights of the rear vehicle at night. In addition, the mirror 130 attaches a sticker 132 on the entire back surface. The sticker 132 prevents the mirror fragments from popping out even if the mirror is broken by a vehicle accident or an impact, thereby preventing the driver or passengers from being injured by the mirror fragments.

2. Hands free

The circuit unit 140 is formed of a plurality of driving elements mounted on a printed circuit board, and is embedded in the main housing 110. The circuit unit 140 includes a power switch 142, a plurality of function selection switches 144, and a hands-free driving circuit 146 that executes a corresponding mode in response to input of a mode execution signal.

The power switch 142 outputs a power on / off signal according to a user's manipulation. The function selection switch 144 outputs a preset mode selection signal according to a user's operation, and includes a hands-free / earphone mode selection switch, a recording mode switch, a stop switch, and a playback switch. The hands-free driving circuit 146 includes an audio filter, an echo filter, and a controller.

In addition, the circuit unit 140 further includes a display means, a display means driving circuit, and a microphone 148 for outputting a remaining state of the battery. As the display means, a plurality of light emitting diodes 149 or a liquid crystal display as shown may be used. The user may determine the charging time of the battery through the display means. The microphone 148 is a means for allowing a driver to input voice without using a mobile phone while driving.

The battery unit 150 supplies the driving power DC required for the circuit unit 140. The battery unit 150 is a means for supplying a driving voltage into the room mirror hands-free device without supplying power from a vehicle, for example, supplying DC power from a vehicle cigar jack. Therefore, the room mirror hands-free device of the present invention does not need a separate connection work for receiving power supply from the vehicle, and is easy to install, and can be tested using only its own power supply before installation. The battery unit 150 includes a battery case installed in the main housing 110, a connection terminal installed in the battery case and connected to the circuit unit 140, and at least one storage battery connected at both ends to the connection terminal. As an example of the battery, a battery having a rated voltage and current of 7.2 V 600 mA may be used.

The hands free unit further includes a speaker phone 180. The speaker phone 180 reproduces and outputs the voice input to the circuit unit 140 from the mobile phone, thereby allowing the driver to talk while listening to the other party's voice even while driving. The speaker phone 180 has an output controlled by a separate volume control knob 147.

The hands free unit also includes a voice recorder. The voice recorder is a voice recording means, and it is possible to record necessary matters during operation.

3. Connection

The mobile phone connection cord 160 is a conductive wire connecting between the circuit unit 140 and the multi jack 170. An end of the mobile phone connection cord 160 connects a separate connector 162 for connection with the multi-jack 170.

The multi jack 170 is provided with a specification corresponding to the model of the mobile phone to be applied is coupled to the end of the mobile phone connection cord 160, it is connected to the input connector formed on the mobile phone. The multi jack 170 includes a connector pin 172 connected to an input connector of a mobile phone, a microphone 174 and an amplifying circuit 175 for converting an input voice into an electrical signal and outputting it to the circuit unit 140. . The connector pin 172 includes a power connector pin 172a for moving power between the room mirror type handsfree device and a mobile phone, and a data connector pin 172b for moving data signals between the room mirror type hands free device and the mobile phone.

The multi-jack 170 changes the structure of the connector pin 172 according to the model of the mobile phone to be applied, and by setting the rated charging voltage, the room mirror type hands-free device of the present invention to the product developer and product model of the mobile phone Irrespective of the replacement of the multi jack 170, it is applicable to all mobile phones.

The multijack 170 includes a charge select switch 176 and an output control circuit 178. The charging selection switch 176 switches to the cellular phone charging mode or the cellular phone non-charging mode according to the user's operation. That is, when the charge selection switch 176 is switched to the mobile phone charging mode while the multi-jack 170 is connected to the mobile phone, the battery of the mobile phone is charged while power is supplied from the room mirror type hands-free to the mobile phone. The output control circuit 178 is a circuit for controlling the output of the voice signal output from the mobile phone to a predetermined level to output to the circuit unit 140, the output by adjusting the microphone output different by the cell phone manufacturer and model to a constant level do.

4. Collision Warning

The proximity sensor 180 is installed in the vehicle location to detect the proximity of the obstacle. The proximity sensor 180 may be installed at both front and rear bumpers of the vehicle.

The proximity state display unit 190 is installed on one side of the mirror, preferably on the upper side of the mirror, and outputs a distance and a direction of an obstacle detected by the proximity sensor. The proximity display 190 includes a proximity display 192 and a left and right indicator light 194. The proximity display window 192 displays the distance from the obstacle in the number of 0.1 meters. The left and right direction indicators 194 indicate positions of left and right obstacles of the vehicle.

In addition, the collision warning unit may further include an alarm sound output unit for outputting a step-by-step alarm sound in proportion to the distance to the obstacle. The alarm sound output unit outputs a higher and faster alarm sound as the proximity distance to the obstacle becomes closer.

Figure 6 is a perspective view of a room mirror hands-free device according to a second embodiment of the present invention, Figure 7 is a block diagram showing a microphone unit of a room mirror hands-free device according to a second embodiment of the present invention.

As shown in FIGS. 6 and 7, the room mirror type hands-free device according to the second exemplary embodiment of the present invention includes a room mirror type hands-free main body 200, a microphone unit 300, and a proximity detection sensor 400.

Since the configuration and operation of the room mirror type hands-free main body 200 and the proximity sensor 400 are the same as those of the room mirror type hands-free device according to the first embodiment of the present invention, the description thereof will be omitted.

The microphone unit 300 is a voice input means connected to a mobile phone by wire and a voice transmission means wirelessly transmitting a voice signal with the room mirror type hands-free main body 200. The microphone unit 300 includes a mobile phone connection jack 310 connected to an earphone jack of a mobile phone, a microphone 320 for receiving a caller's voice and converting it into an electric signal, and a microphone circuit for providing the electric signal to the mobile phone connection jack 310. 330, a speaker circuit 340 providing the other party's voice signal input through the mobile phone connection jack 310 to the transmitter 350, and a circuit unit embedded in the room mirror type hands-free main body 200. It consists of a transmitter 350 for wireless transmission. The mobile phone connection jack 310 may be further coupled to the auxiliary jack 312 for GSM.

As described above, the room mirror hands-free device according to the embodiment of the present invention has a driving power supply means on its own, so that it is not necessary to connect with an external power source such as a vehicle body power supply, so the installation process is simple and does not damage the vehicle when installing the device. It does not work.

In addition, the room mirror hands-free device according to the embodiment of the present invention can be applied to all mobile phones using only a multi jack or a microphone jack, regardless of the product developer and the product model of the mobile phone, there is an excellent compatibility effect.

In addition, the room mirror hands-free device according to the embodiment of the present invention can be used to test the operation status and the normal operation of each function by the internal power supply without being connected to an external power source, so that it is possible to determine whether the product is normal. It is easy to perform, and there is an effect of easy troubleshooting.

In addition, the room mirror type hands-free device according to an embodiment of the present invention detects the presence of obstacles and the distance to the vehicle when reversing, and informs the driver, thereby preventing contact or collision accidents that may occur during parking. It works.

Claims (11)

In a hands free device, A main housing; A circuit unit embedded in the main housing, the circuit unit including a power switch, a plurality of function selection switches, and a hands-free driving circuit for executing a corresponding function mode; A battery unit for supplying driving power to the circuit unit; A mobile phone connection cord connected to the circuit unit; A multi-jack having a specification corresponding to a model of a mobile phone to be applied, coupled to an end of the mobile phone connection cord, and connected to an input connector of the mobile phone; A front cover attached to the front surface of the main housing; And a mirror attached to the front surface of the front cover. The method of claim 1, A proximity detection sensor installed at a vehicle location and detecting proximity of an obstacle; And a proximity state display unit installed at one side of the mirror and outputting a distance and a direction of an obstacle detected by the proximity detection sensor. The method of claim 1, And the battery unit comprises a battery case, a connection terminal installed in the battery case and connected to a circuit unit, and at least one battery connected at both ends to the connection terminal. The method of claim 1, The multi-jack is a room mirror type hands-free device, characterized in that it comprises a connector pin connected to the mobile phone and a microphone for outputting the input voice to the circuit unit. The method of claim 4, wherein The multi-jack is a room mirror hands-free device, characterized in that it further has an output control circuit for adjusting the output of the voice signal output from the mobile phone to a predetermined level to output to the circuit unit. The method of claim 4, wherein The multi-jack is a room mirror type hands-free device, characterized in that provided with a charge selection switch for switching the mobile phone charging mode and non-charging mode according to the user's operation. The method of claim 1, And the circuit unit further comprises display means for outputting a remaining battery state of the battery. The method of claim 1, And a speaker phone for reproducing and outputting the voice input to the circuit unit from the mobile phone. The method of claim 1, And a microphone for receiving a user's voice and converting the voice into an electrical signal and outputting the electrical signal to the circuit unit. The method of claim 1, And a sticker for preventing debris from occurring on the entire rear surface of the mirror. In a hands free device, A main housing; A circuit unit embedded in the main housing, the circuit unit including a power switch, a plurality of function selection switches, and a hands-free driving circuit for executing a corresponding function mode; A battery unit for supplying driving power to the circuit unit; A speaker phone for outputting a voice signal input to the circuit unit; A mobile phone connection jack connected to the earphone jack of the mobile phone, a microphone for receiving a caller's voice and converting it into an electric signal, a microphone circuit for providing the electric signal to the mobile phone connection jack, and providing the other party's voice signal input through the mobile phone connection jack to a transmitter A microphone unit comprising a speaker circuit and a transmitter for wirelessly transmitting an input counterpart voice signal to the circuit unit; A front cover attached to the front surface of the main housing; A mirror attached to the front surface of the front cover; A proximity detection sensor installed at a vehicle location and detecting proximity of an obstacle; And a proximity state display unit installed at one side of the mirror and outputting a distance and a direction of an obstacle detected by the proximity detection sensor.