KR200239497Y1 - A hands free device supplied a power through an external charge terminal of a cellular phone battery - Google Patents

Abstract

The present invention relates to a hands-free, more specifically, to obtain a hands-free transmitter power using a mobile phone battery, and to adjust the position of the power pick-up terminal of the transmitter variably according to the position of a different external battery charging terminal for each mobile phone model. The present invention relates to a hands-free device that is powered by using an external charging terminal of a mobile phone battery.

The present invention uses a mobile phone battery power source for the hands-free function of the transmitter, but by using the external charging terminal of the mobile phone, the power is picked up as a power pick-up terminal. It is compatible with each mobile phone manufacturer by forming a power pick-up terminal with adjustable tilt angle and horizontal distance to accommodate all external charging terminal structures of different batteries, and can be used without changing the structure of existing mobile phones. To provide a hands-free device powered by an external charging terminal on a high mobile phone battery

A transmitter module having a built-in transmission module for transmitting an audio signal input from a phone jack of a mobile phone as an RF signal and detachable by a magnetic force on the back of the mobile phone, and a main housing 210;

And a hinge unit 219 rotatably coupled to a terminal housing 230 configured to be in contact with the external charging terminal 14 of the mobile phone battery at a lower portion of the housing 210.

The power pick-up terminal 242 embedded in the terminal housing 230 is slidable from side to side so that the power pick-up terminal 242 may be adjusted according to the position of the battery external charging terminal 14.

Description

A hands free device supplied a power through an external charge terminal of a cellular phone battery}

The present invention relates to a hands-free, more specifically, to obtain a hands-free transmitter power using a mobile phone battery, and to adjust the position of the power pick-up terminal of the transmitter variably according to the position of a different external battery charging terminal for each mobile phone model. The present invention relates to a hands-free device that is powered by using an external charging terminal of a mobile phone battery.

With the development of wireless communication technology, mobile communication devices are rapidly spreading. Among them, the demand for mobile phones is rapidly increasing.

On the other hand, as the penetration rate of mobile phones increases, various types of hands-free devices are conceived and used in order to use the mobile phones more conveniently and safely.

Looking at the conventional hands-free device can be roughly divided into a wired method and a wireless method.

Looking at the wired hands-free, first, the earphone is plugged into the phone jack of the mobile phone to realize the call of the mobile phone.Secondly, the mobile phone is installed on the mobile phone by installing the fixed device with the external speaker and the microphone. There are types that realize micro currencies.

However, these hands-free wired-type handsets are inconvenient for the user, and when used in a car, there is a problem such as obstructing driving or twisting with other devices.

In addition, in the case where the fixing device is formed, a driving power is essentially required for a circuit forming an amplification function of an external speaker and a microphone, and a power cord must be connected to a cigar jack of a vehicle.

Therefore, as described above, the inconvenience of having to connect and use various cords is intact, and the fixing device is mounted on a predetermined facility that is supplied with power, such as a car.

Looking at the wireless hands-free, it is installed in the car and communicates with the mobile phone by RF so that the received voice of the mobile phone is retransmitted as a transmitter, and the transmitted signal is received and reproduced by the FM tuner of the car.

However, as described above, since the driving power of the transmitter is obtained through the cigar jack of the vehicle, the disadvantages of the complicated installation and the unavailability during portable movement are the same.

On the other hand, there is a known prior application technology that functions as a wireless hands-free while moving.

According to the technology proposed in the Republic of Korea Utility Model Registration No. 190040, the wireless communication module is built into the battery pack of the mobile phone to enable wireless communication between the mobile phone and the earphone by using 'BLUETOOTH', which is a short range wireless communication. The wireless communication module is driven using a power source.

However, the effort to increase the continuous use time of the battery in the mobile phone remains the biggest problem, and continuous research and development on the performance of the battery is made to cover the power consumption even in the commercialization of the videophone system (IMT-2000). ought.

In view of such circumstances, if the rechargeable battery cell is reduced in order to secure a space for inserting a wireless communication module without filling the limited space of the battery with the rechargeable battery as described above, the increase in the continuous use time of the battery is arranged. There is a disadvantage that results.

In addition, all components in the field of mobile phones that are intended to be light and small in size pursue ultra-small size, and thus, when frequent detachment and detachment are performed through the connector as in the configuration of the various embodiments disclosed to connect the battery and the wireless communication module, There is a high risk of premature failure, which is not economical disadvantages.

As a result, problems such as congestion of wires, limited use of wireless, and adverse effects on battery life are generated in various hands-free proposed in the related art.

The present invention has been made to solve the problems of the prior art as described above has the following object.

The present invention is made of a mobile phone battery power source of the power supply of the transmitter functioning as hands-free, but by using the external charging terminal of the mobile phone is detached from the outside while obtaining power as a power pick-up terminal contacting the external charging terminal of the mobile phone and the transmitter It is to provide a hands-free device that is powered by an external charging terminal of a mobile phone battery which realizes the combination very easily.

The present invention forms a power pick-up terminal whose inclination angle and horizontal distance are adjusted to accommodate all different battery charging terminal structures of cell phone makers. To provide a device.

The present invention is to provide a hands-free device that is powered using the external charging terminal of the cell phone battery can be used without changing the structure of the existing mobile phone.

Other objects can be seen in the process of examining the present invention in detail.

The present invention made to achieve the above object is a built-in transmission module for transmitting a voice signal input from the phone jack of the mobile phone to the RF signal and the main body housing detached by magnetic force on the back of the mobile phone, the mobile phone battery in the lower part of the housing The hinge unit is rotatably coupled to the terminal housing configured to be in contact with the external charging terminal in position, and the power pick-up terminal embedded in the terminal housing is slidable from side to side, so that the power pick-up terminal is connected to the battery external charging terminal. By adjusting the position.

1 is a block diagram showing a hands free of the present invention.

Figure 2 is a cross-sectional view of the transmitter showing a hands free of the present invention.

3 is an enlarged sectional view showing main parts of FIG. 2;

Figure 4 is a schematic diagram illustrating the terminal movement of the transmitter of the present invention is attached to the mobile phone battery.

5 is an external view showing an extracting unit hinge unit unit.

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

10: cell phone 12: battery

14: external charging terminal 16: iron piece

20 transmitter 30 receiver

200, 220: front cover 200a, 220a: rear cover

210: body housing 212: magnet

213, 216: coupling groove 214: transmission module

219: hinge unit 230: terminal housing

234: fixing groove 240: terminal unit

241: base 242: power pickup terminal

243, 247: spring 246: stopper

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the technical configuration of the present invention.

As shown in FIG. 1, the transmitter 20 detachably magnetically attached to the back surface of the battery 12 of the mobile phone 10 is bisected by the front cover 200 and the rear cover 200a, and a coupling groove is formed at the center of the front cover. Perforations 213 and a built-in magnet 212 to form a main body housing 210 by forming a recess groove 216 in the outer center of the rear cover.

Inside the main body housing 210, a jack 218 connected to a phone jack of a mobile phone and a transmission module 214 for retransmitting a voice signal input through the jack are built in the lower part of the main housing 210 to open the terminal housing 230. It is made by forming a hinge unit 219 for coupling.

The terminal housing 230 coupled to the lower opening of the main body housing 210 is coupled to each other in a mutually perpendicular state by the hinge unit 219 so as to be rotatable, and a fixing groove for fixing the position of the terminal unit to the inner side. 234 is formed horizontally in a large number, the front cover 220 formed by drilling a slide opening 222 in the lower portion, bi-directionally formed by a rear cover 220a coupled to the front cover, the cover 220, 220 of both sides a) the terminal unit 240 is slidably sandwiched between the coupling.

The terminal unit 240 forms the mounting grooves 249 and 249a in the base 241, and the front cover 220 is provided in the mounting groove 249 by installing a stopper 246 that is elastically applied to the spring 247. It is made to be recessed in the fixing groove 234, the mounting groove 249a is provided with a power pick-up terminal 242 shot with a spring (243) to expose the front end to the slide opening 222, the lead 248 Is formed by connecting to the power supply of the transmission module 214.

On the other hand, the coupling grooves 213 and 216 provided in the front cover 200 and the rear cover 214 is formed by forming a heart-shaped coupling groove to prevent the rotation in the removable by magnetic force. The shape of the coupling groove may be formed other shapes, such as polygons or clover, at least the circle is excluded, which is intended to prevent misalignment of the terminal by the rotation in the state attached to the mobile phone, it is also preferable to form a design aesthetics.

In addition, the terminal housing 230 rotated around the hinge unit 219 forms a right angle with the main body housing 210 by the elastic force of the hinge unit 219 as shown in FIG. 2. When attached to the one side cam (2192) and the opposite cam (2194) of the hinge unit 219 is made to rotate and open on the shaft (2190) with a spring 2196 elastic force (see Fig. 4).

The hinge unit 219 is the same as that commonly used for opening and closing of a folder in a general mobile phone, and is merely configured to limit the rotation angle to approximately 80 degrees.

As illustrated, 250 denotes a friction protrusion for reducing the slide friction coefficient of the terminal unit 240, 252 is an adjustment volume, 254 is a transmitter operation switch, and 256 is a microphone for inputting a user's voice into a mobile phone.

Looking in more detail with respect to the action of the present invention constituting the technical configuration as described above as follows.

The hands free device of the present invention is used by being detached from the back of a normal cell phone battery.

As is known, a magnet is mainly used to mount a mobile phone on a general holder, and the present invention also provides an iron piece 16 corresponding to the shape of the coupling groove 213 on the back of the mobile phone battery 12 to be used by being attached by magnetic force. do.

Here, before attaching the transmitter, the user grips the protrusion of the power pick-up terminal 242 and slides it to the left or right to correspond to the position of the battery external charging terminal 14 of the mobile phone.

At this time, while the terminal unit 240 having the power pickup terminal 242 is moved on the slide opening 222, the stopper 246 provided at the upper portion moves along the plurality of fixing grooves 234, and thus, at any one of the adjusted positions. The position where the stopper 246 is adjusted to the spring 247 shot pressure is firmly maintained in the fixing groove.

When the adjustment of the power pick-up terminal 242 is completed to correspond to the battery external charging terminal 14, the terminal housing 230 rotates about the hinge unit 219 while being attached by magnetic force as described above. 14) As the front cover 220 of the terminal housing 230 is interviewed on the surface, the angle between the main body housing 210 and the terminal housing 230 is opened to coincide with the inclination angle of the battery external charging terminal 14 and the power pickup The terminal 242 is held in close contact with the spring 243 by pressing the spring 243, the pressure between the spring (243, 2196) between the two terminals to act in close contact with the battery power supply via the external charging terminal 14 The driving power of the transmitter 20 is connected.

Since the transmitter consumes very little transmit power, it does not significantly affect the service life of the battery, and it can be used with a battery life similar to usual times.

If the attachment is made by matching the terminals of the transmitter as described above, if the connection between the phone jack of the mobile phone 10 and the jack 218 of the transmitter 20 by a cord is ready to use.

In the case of using a mobile phone, when the receiver 30 of the hands-free device of the present invention is plugged into the ear and the switch 254 of the transmitter 20 is turned on, the received voice is retransmitted as an RF signal by the transmitter module 214 of the transmitter and the pair is connected. The receiver 30 is configured to receive and play back voice.

The user's voice is input to the microphone 256 in hands-free use and transmitted to the phone jack of the cellular phone.

Herein, according to the present invention, the terminal housing 230 formed at the left and right sides of the mobile phone can be variably adjusted according to different shapes of the battery and different positions of the external charging terminals 14, respectively. You can see that it is adjusted as it slides.

In addition, the heart-shaped coupling groove 213 is provided so as to prevent the position opposite to the terminal from being dislodged by the impact during use, thereby firmly prevents rotation in the position where the transmitter 20 is attached, so that the adjusted state is firmly maintained. Therefore, it can be used stably even when mobile.

The transmitter used in the present invention is constructed to the extent that it can be used within a few meters range, and in the case of mounting on a vehicle, simply provide a magnetic holder (not shown) and purchase a magnet using the coupling groove 216 in the holder. It can be attached and used in the same way as attached to the cell phone battery by attaching it, so it can be used as well as portable.

As described in detail above, the greatest advantage and effect of the present invention is to obtain the transmitter power by using the battery power of the mobile phone, but it is attached without changing the structure, and in particular, the external charging terminal of the battery so that it can be mounted on all kinds of mobile phones According to the inclination angle of the surface and the position of the external charging terminal, the power pickup terminal can be adjusted variably.

Therefore, as in the past, the inconvenience of wired earphones has been eliminated, and the inconvenience of connecting the power cord to the cigar jack even when mounted in a car has been eliminated. Since it does not change the structure of the mobile phone is replaced, it is designed to have a number of excellent effects such as continuous use is possible.

On the other hand, the present invention has been described as a low-cost wireless hands-free transmitter to configure only the outgoing, but can be built by providing a module configured to enable both outgoing and receiving, and the receiver is also configured to pick up the user's voice Both the main body and the earset may be made to be capable of receiving and receiving water, and a specific code may be provided to each transmit / receive module so as to prevent interference with other persons. The degree of modification is found to be extremely easy by the design change of those skilled in the art.

Claims (3)

In the transmitter for retransmitting the received voice of the mobile phone and hands-free for receiving and reproducing the retransmitted voice, A transmitter body housing having a transmission module for transmitting a voice signal input from a phone jack of a mobile phone as an RF signal and detaching by a magnetic force on the back of the mobile phone; And a hinge unit rotatably coupled to a terminal housing configured to be in contact with an external charging terminal of a mobile phone battery at a lower portion of the housing in a fixed position. Hands-free device that is supplied with power using an external charging terminal of a mobile phone battery, characterized in that the power pick-up terminal built in the terminal housing is slidable from side to side so that the power pick-up terminal is adjusted according to the position of the battery external charging terminal. . The apparatus of claim 1, wherein the transmitter 20 of the hands-free device is bisected into the front cover 200 and the rear cover 200a, and the coupling groove 213 is drilled in the center of the front cover and the magnet 212 is built-in. Body main body 210 formed by forming a recess groove 216 in the outer center of the rear cover, Inside the main body housing 210, a jack 218 connected to a phone jack of a mobile phone and a transmission module 214 for retransmitting a voice signal input through the jack are built in the lower part of the main housing 210 to open the terminal housing 230. Forming a hinge unit 219 for coupling, The terminal housing 230 coupled to the lower opening of the main body housing 210 is rotatably coupled to the hinge unit 219, and has a fixing groove 234 for horizontally fixing the terminal unit 240 on an inner side thereof. Formed by a plurality of and formed by dividing the front cover 220, the rear cover 22Oa coupled to the front cover, the perforated slide opening 222 in the lower portion, a plurality of covers between the two sides (220, 22Oa) The terminal unit 240 is slidably inserted into a combination, The terminal unit 240 forms the mounting grooves 249 and 249a in the base 241, and the front cover 220 is provided in the mounting groove 249 by installing a stopper 246 that is elastically applied to the spring 247. It is made to be recessed in the fixing groove 234, the mounting groove 249a is formed by exposing the front end of the power pick-up terminal 242 shot in the spring 243 exposed to the slide opening 222, and extended to the lead 248 Hands-free device that is supplied with power using the external charging terminal of the mobile phone battery, characterized in that the connection to the power supply of the transmission module (214). The external charging terminal of the mobile phone battery according to claim 2, wherein the coupling grooves 213 and 216 provided in the front cover 200 and the rear cover 214 are formed as a heart-shaped coupling groove to prevent rotation. Hands-free device that is powered by using.