KR20080002202U - Bluetooth wireless hands-free car kit/speakerphone with easy Power-on/off LCD panel - Google Patents

Abstract

The present invention relates to a wireless hands-free device that turns on / off the power through an open / closed method of an LCD panel, and a program that allows a user to make a call without directly holding a mobile phone by transmitting and receiving a voice signal with a mobile phone using a Bluetooth wireless communication method. It includes a built-in case, and an LCD panel formed on one side of the case to display call information. The LCD panel of the present invention is separated from the case and is rotatably hinged to open or close the case, and is always on unless an external force is applied to one side of the case. A cutout groove is formed to expose the power switch to the outside, and one side of the LCD panel protrudes from a pressing portion that is turned off by pressing the power switch when closing the LCD panel. Therefore, this design has the effect of turning on / off the power supply in a safe and convenient way of opening / closing a large area LCD panel.

Description

Bluetooth wireless hands-free device with easy power switch structure {Bluetooth wireless hands-free car kit / speakerphone with easy Power-on / off LCD panel}

1 is a conceptual diagram of a wireless Bluetooth wireless handsfree device,

2 is a conceptual diagram of a wireless hands-free device of a Bluetooth method having an easy power switch structure according to the present invention,

3 is a perspective view of a wireless hands-free device of a Bluetooth method having an easy power switch structure according to an embodiment of the present invention,

FIG. 4 is a perspective view illustrating a graphic process of the detector illustrated in FIG. 3.

FIG. 5 is a perspective view of a state in which the power switch of the detector is turned off as the LCD panel shown in FIG. 3 is closed.

6 is a plan view of a state in which the display surface of the LCD panel shown in FIG. 3 is removed;

FIG. 7 is a detailed view showing the operating relationship of the hinge shown in FIG. 6 by graphic processing;

8A and 8B are detailed views illustrating the hinge shown in FIG. 6 by graphic processing.

  ♠ Explanation of symbols on the main parts of the drawing ♠

200: wireless handsfree device

240: power switch 270: LCD panel

271: pressing part 280: case

281: incision groove 290: hinge means

291 first hinge 292 second hinge

293: coil spring

The present invention relates to a wireless handsfree device of Bluetooth type, and more particularly to a wireless handsfree device of Bluetooth type having an easy power switch structure to turn on / off the power through the open / close method of the LCD panel.

Various types of hands-free devices have been proposed that allow the user to talk to the other party without holding the phone. Such a hands-free device includes an ear microphone-type hands-free device having a plug connecting an earphone and a small microphone to a cable and having a plug connected to a mobile phone at an end thereof. The ear microphone-type hands-free device is simple in configuration, inexpensive, and requires no special installation, so it is convenient to use anywhere while walking or inside a vehicle. However, in order to make a call, the earphone needs to be inserted into the ear, and when using it in a vehicle, the earphone needs to be found and worn on the ear while driving, thus preventing the safe driving.

Therefore, wireless hands-free devices including Bluetooth headsets are currently available on the market that allow a vehicle driver to safely talk to the other party while not directly holding a mobile phone while driving, and without being disturbed by safe driving.

The Bluetooth wireless hands-free device is configured to perform wireless communication with an interface module mounted on a mobile phone. That is, as shown in FIG. 1, the wireless hands-free device 100 includes a microphone 110 for converting and outputting a user's voice into an electrical voice signal, a speaker 120 for receiving a voice signal and outputting the voice signal; The microphone 130 is connected to the antenna 130, the call switch 145 for indicating the start / end of the call, the power switch 140 for turning the power on / off, the microphone 110, and the speaker 120, respectively. Start of operation in conjunction with the switching of the output voice signal of the digital audio signal or the digital audio signal input to the analog audio signal to the speaker 120 to provide the speaker (120) and the call switch 145 The Bluetooth module 160 is determined and provided as a digital voice signal to the codec 150 by detecting the voice signal received through the antenna 130 or by modulating the digital voice signal of the codec 150 to be transmitted through the antenna 130. It consists of.

Accordingly, the wireless hands-free device 100 modulates a user's voice signal generated by the microphone 110 and transmits the wireless signal by demodulating the voice signal of the mobile phone received through the antenna 130. Play with In other words, the Bluetooth wireless communication method allows the user to send and receive a voice signal with a mobile phone so that the user can talk directly without lifting the mobile phone.

However, the conventional wireless hands-free device 100 is disposed so that the power switch 140 for turning on / off the power is exposed to the outside so that the user can operate it. That is, most of the power switch 140 is composed of a small size in the form of a button, it is arranged to be located on either side of the case. Therefore, in order to turn on / off the power, it is necessary to press the power switch 140 located at one side with a small size accurately.

In addition, the conventional wireless hands-free device 100 should be configured with a plurality of buttons on the surface of the case to enable the power function and the call function, but for the convenience of manufacturing, as configured to give various functions to one button, the user It may cause inconvenience to them. For that reason, although there is convenience in using the vehicle such as safe driving rather than using a microphone-type hands-free device, there is still a disadvantage in that it is necessary to pay attention to the operation of the power switch 140.

Accordingly, the present invention has been devised to solve the problems of the prior art as described above, and has a Bluetooth method having an easy power switch structure to turn on / off the power in a safe and convenient way of opening / closing a large area LCD panel. Its purpose is to provide a wireless hands-free device.

According to the present invention for achieving the above object, a case having a built-in program that allows a user to talk without a mobile phone by directly transmitting and receiving a voice signal with a Bluetooth wireless communication method, formed on one side of the case, the call information In the wireless hands-free device including an LCD panel for displaying the LCD panel, the LCD panel is configured to be separated from the case and rotatably hinged to open or close the case, the external force on one side of the case A cutout groove is formed in which the power switch is always exposed to the outside unless it is applied to the outside, and one side of the LCD panel is turned off by pressing the power switch when closing the LCD panel. It is characterized in that the pressing portion to protrude.

The invention may further comprise hinge means between the LCD panel and the case to keep the LCD panel in its original state when it is opened or closed with respect to the case. At this time, the hinge means has a first hinge having a sliding surface having one side fixed to the case and having a plurality of recesses and convex portions repeatedly along the circumference of the other cross section, and a sliding surface engaging with the first hinge. The second hinge which operates in the left and right direction inside the LCD panel while rotating together at the time of rotation, and the elastic force which is disposed on one side of the second hinge to maintain the original state when the LCD panel is opened or closed. It may include a coil spring to give.

In addition, the hinge means has a form in which the sliding surfaces of the first and second hinges are fully engaged when the LCD panel is completely open or closed, and the LCD panel is half open or closed ( In the closed state, the convex portions of the sliding surfaces of the first and second hinges may be in contact with each other. Furthermore, the sliding surfaces of the first and second hinges may be configured such that the spacing between the convex portions and the convex portions has 30 ° with respect to the center of the circumferential surface.

In the following, with reference to the accompanying drawings, a preferred embodiment of a wireless hands-free device of the Bluetooth method having an easy power switch structure according to the present invention will be described in detail.

2 is a conceptual diagram of a Bluetooth type wireless hands-free device having an easy power switch structure according to an embodiment of the present invention.

As shown in FIG. 2, the wireless hands-free device 200 according to this embodiment includes a microphone 210, a speaker 220, and an antenna 230 having the same function as the wireless hands-free device 100 shown in FIG. 1. And a call switch 245, a power switch 240, a codec 250 and a Bluetooth module 260, and is configured to have an LCD panel 270 that receives a display signal and displays it on a screen. In addition, the wireless hands-free device 200 according to the present embodiment further includes means for receiving an incoming signal transmitted from an interface module mounted on the mobile phone and informing the incoming call by sound, vibration, or light when a call is received from the outside. It can also be configured to.

Therefore, the wireless hands-free device 200 of this embodiment transmits and receives a voice signal with a cellular phone in a Bluetooth wireless communication manner so that a user can talk directly without lifting the cellular phone. The wireless hands-free device 200 may be mounted on a vehicle or used as a speakerphone in a home or an office.

The biggest feature of the wireless hands-free device 200 according to this embodiment having such a function is that the power switch 240 for turning on / off the power is open or close of the LCD panel 270 having a large area. ) It is ON / OFF according to the operation.

Hereinafter, the power switch structure for turning on / off the power will be described in detail.

3 is a perspective view of a wireless hands-free device of a Bluetooth method having an easy power switch structure according to an embodiment of the present invention, FIG. 4 is a perspective view of the detector shown in FIG. 3 by graphic processing, and FIG. FIG. 7 is a perspective view of a state in which the power switch of the detector is turned off as the LCD panel is closed. And, Figure 6 is a plan view of the display surface of the LCD panel shown in Figure 3 is removed, Figure 7 is a detailed view showing the operating relationship of the hinge shown in Figure 6 graphically, Figures 8a and 8b Fig. 6 shows the details of the hinge shown in graphic form.

As shown in FIG. 3 to FIG. 8B, the wireless hands-free device 200 according to this embodiment includes a microphone 210, a speaker 220, an antenna 230, a codec 250, and a Bluetooth module 260. 280 are respectively provided, and the LCD panel 270 is configured to turn on / off the power switch 240 as the LCD panel 270 is opened or closed with respect to the hinge axis of the case 280.

The wireless hands-free device 200 of this embodiment is configured such that the LCD panel 270 is disposed on the lower front side of the case 280. Therefore, the front lower side of the case 280 is configured to have a seating space in which the LCD panel 270 is seated. At this time, the LCD panel 270 is configured to open / close by rotating both sides of the seating space of the case 280 to the hinge axis.

In addition, the LCD panel 270 is configured to turn on / off the power switch 240 as it is opened / closed with respect to the hinge axis of the case 280. That is, the power switch 240 is exposed to one side of the seating space of the case 280, and the power switch 240 is selectively pressed on / off during the open / close operation of the LCD panel 270. The pressing part 271 protrudes to one side of the 270.

In more detail, both sides of the seating space of the case 280 is formed to be inclined inwardly toward the lower side, the incision groove 281 is formed on one side of the seating space, such as the incision groove 281 The power switch 240 of the detector as shown in 4 is configured to be exposed. The detector of this embodiment is generally distributed and is configured to always be in an ON state unless an external force is applied to the power switch 240. In addition, both sides of the LCD panel 270 are formed to be inclined inwardly toward the lower side to correspond to both sides of the seating space of the case 280, and one side of the power switch 240 is exposed from both sides of the LCD panel 270. Is configured to have a pressing portion 271 to turn off the power switch 240 when the LCD panel 270 is closed.

Accordingly, as shown in FIGS. 3 to 5, when the LCD panel 270 is opened with respect to the case 280 to turn on the power, the pressing portion 271 of the LCD panel 270 is no longer the power switch 240. Without pressing), the power switch 240 is automatically turned on (ON) accordingly. When the LCD panel 270 is closed to turn off the power, the pressing unit 271 of the LCD panel 270 presses the power switch 240 to force the power switch 240 to be turned off. In this case, the force for forcibly turning off the power switch 240 may be implemented by the weight of the LCD panel 270.

However, this embodiment imparts the force of forcibly turning off the power switch 240 through the hinge structure between the case 280 and the LCD panel 270, and smoothly open / close the LCD panel 270. It is configured to enable operation.

That is, the LCD panel 270 is configured to rotate both sides of the case 280 in the hinge axis, one side is hinged so that the LCD panel 270 is simply rotatable to the case 280, the other side is LCD Panel 270 is configured to have hinge means 290 configured to remain intact upon opening / closing with respect to case 280.

The hinge means 290 is fixed to the case 280 and has a first hinge 291 and a first hinge 291 having a sliding surface having a plurality of recesses and convex portions repeatedly along the circumference of the other end surface. It is disposed on one side of the second hinge 292, and the second hinge 292 to operate in the left and right direction inside the LCD panel 270 while having a sliding sliding surface and rotates together when the LCD panel 270 is rotated The coil spring 293 imparts an elastic force to maintain its original state upon opening / closing the LCD panel 270.

The hinge means 290 has a form in which the sliding surfaces of the first and second hinges 291 and 292 are fully engaged when the LCD panel 270 is fully open or closed. The convex portions of the sliding surfaces of the first and second hinges 291 and 292 are in contact with each other. At this time, the sliding surfaces of the first and second hinges 291 and 292 are configured such that an interval between the convex portion and the convex portion (concave portion and concave portion) has 30 ° with respect to the center of the circumferential surface.

For example, when a force for opening the LCD panel 270 is applied by the user, the second hinge 292 also rotates in addition to the direction in which the LCD panel 270 opens. That is, the sliding surface of the second hinge 292 rotates along the sliding surface of the first hinge 291, and the second hinge 292 moves in the direction in which the coil spring 293 is compressed. Then, when the LCD panel 270 reaches half open, the convex portions of the sliding surfaces of the first and second hinges 291 and 292 come into contact with each other, and the coil spring 293 is compressed to the maximum. do. After this point, the LCD panel 270 is fully open automatically by the restoring force of the coil spring 293 which has been compressed. Therefore, the user only needs to apply force until the LCD panel 270 is about half open. The process of closing the LCD panel 270 also works by this same principle.

Accordingly, the LCD panel 270 remains open or closed unless a predetermined external force is applied. That is, even if the vehicle is driving on a bumpy road such as an unpaved road, there is no fear that the LCD panel 270 is automatically opened or closed, so that the power switch 240 is automatically turned on / off.

This design has the effect of turning the power on and off in a safe and convenient way to open / close a large area LCD panel.

The technical details of the wireless hands-free device of the Bluetooth method having an easy power switch structure of the present invention have been described with the accompanying drawings, but this is only illustrative of the best embodiment of the present invention and is not intended to limit the present invention.

It is also apparent that any person skilled in the art can make various modifications and imitations within the scope of the appended claims without departing from the scope of the technical idea of the present invention.

Claims (4)

Wireless hands-free including a case with a built-in program for transmitting and receiving voice signals to and from a mobile phone by a Bluetooth wireless communication method and allowing a user to talk directly without holding a mobile phone, and an LCD panel formed on one side of the case to display call information. In the apparatus, The LCD panel is configured to be separated from the case and rotatably hinged to open or close the case, One side of the case is formed with a cutting groove for exposing the power switch to the outside to maintain the always on (ON) unless an external force is applied, One side of the LCD panel is a wireless hands-free device of the Bluetooth type having an easy power switch structure, characterized in that the pressing portion to turn off by pressing the power switch when closing the LCD panel (Close) is formed. The method according to claim 1, Further comprising a hinge means between the LCD panel and the case to maintain the original state when the LCD panel is opened or closed with respect to the case, The hinge means has a first hinge having a sliding surface fixed to the case and having a plurality of recesses and convex portions repeatedly along the circumference of the other side cross section, and a sliding surface engaging the first hinge. A second hinge operating in the left and right direction inside the LCD panel while being rotated together at the time of rotation, and disposed at one side of the second hinge to restore the original state when the LCD panel is opened or closed. Bluetooth-type wireless hands-free device having an easy power switch structure, characterized in that it comprises a coil spring to give an elastic force to maintain. The method according to claim 2, The hinge means has a form in which the sliding surfaces of the first and second hinges are fully engaged when the LCD panel is fully open or closed, and the LCD panel is half open or closed. The wireless hands-free device of the Bluetooth type having an easy power switch structure, characterized in that the convex portions of the sliding surfaces of the first and second hinges abut each other in a closed state. The method according to claim 2 or 3, The sliding surface of the first and second hinge is a Bluetooth hands-free device having an easy power switch structure, characterized in that the interval between the convex portion and the convex portion has a 30 ° relative to the center of the circumferential surface.

Images