KR200218274Y1 - A Handsfree Devices Of Clip Type - Google Patents

Abstract

The present invention relates to a clip-type hands-free device, and in particular, by converting the voice signal of the other party to a voice modulation and radio frequency through a microphone connected to the mobile phone speaker and outputting it to the radio, the other party's voice signal during the mobile phone call The present invention relates to a clip-type hands-free device which radiates into a car radio and listens to a voice. To this end, the power repeater for receiving power from the battery to relay the power required for the operation of the device; A first microphone receiving power from the power relay and inputting a voice signal output from a mobile phone; A voice modulator for modulating the voice signal input through the first microphone into a wireless radio frequency; An earphone jack connected to one side of the voice modulator to output the voice signal input to the first microphone; A second microphone connected to the earphone jack to transmit its voice signal to a mobile phone; And an antenna unit for radiating the voice signal modulated from the voice modulator to the radio.

Description

A handsfree devices of clip type

The present invention relates to a clip-type hands-free device, and more particularly, by converting the other party's voice signal into voice modulation and radio frequency through a microphone connected to a cell phone speaker, and outputting it to the radio. The present invention relates to a clip-type hands-free device for radiating a voice signal to a radio to listen to a voice.

The hands-free device currently used is a device that can be connected to the ear by using an earphone when talking on the mobile phone while driving a vehicle. Such a conventional hands-free device induces a call of the mobile phone when making a phone call while driving. It is inconvenient to use because it is possible to talk to the other party.

Therefore, in order to solve this problem, a call is made with the other party by using a speaker instead of an earphone when a mobile phone call is made, but a space occupied by the speaker occurs in the space utilization in the vehicle, resulting in a limitation on space utilization, and a dedicated speaker of the mobile phone. And additional support for mobile phones and accessories, resulting in significant costs. As a result, limitations and difficulties in the use of hands-free occur, which leads to a problem in which the inconvenience of hands-free is inevitable when making a mobile phone call.

The present invention is to solve the above problems, the object of the present invention, by applying the microphone to the other party's voice signal through the microphone connected to the voice modulation and radio frequency to be output to the car radio, It is to provide a clip-type hands-free device that wants to listen to the voice by radiating the voice signal of the other party to the radio when a mobile phone call.

In order to achieve the above object, the power supply unit 100 for receiving power from the battery to relay the power required for the operation of the device; A first microphone 10 receiving power from the power relay unit 100 and inputting a voice signal output from a mobile phone; A voice modulator (300) for modulating the voice signal input through the first microphone (10) to a wireless radio frequency; An earphone jack 400 connected to one side of the voice modulator 300 to output the voice signal inputted to the first microphone 10; A second microphone 20 connected to the earphone jack 400 to transmit its voice signal to a mobile phone; And an antenna unit 500 for radiating the voice signal modulated from the voice modulator 300 to the radio.

Here, the power repeater 100 includes a power supply unit 120 to receive power from the battery and to maintain a stable power; A push switch 140 for turning on / off a call of the cellular phone as the power input from the power supply unit 120 is switched; Power is supplied through the push switch 140 is preferably configured to include a power check unit 160 to check the operating state of the device.

When the push switch 140 is pressed, the power of the power supply unit 120 is turned on, and when the push switch 140 is pressed again, the power of the power supply unit 120 is turned off.

In addition, the power supply unit 120 includes a first power connection unit 170 for supplying power by inserting a battery into the body unit 700 and connecting to the power supply unit 120; It is preferably configured to include a second power connection unit 180 is connected to the cigar jack to receive power from the vehicle battery.

Here, it is most preferable that the power supplied to the power supply unit 120 is supplied by the first power connection unit 170 and / or the second power connection unit 180.

In addition, the voice modulator 300 includes an AF amplifier 320 for preventing volume amplification and noise of the voice signal input through the first microphone 10; A sound quality compensator 340 for compensating the sound signal sufficient for the sound quality oscillated with the amplified signal from the AF amplifier 320; A crystal oscillator 360 which is connected to the sound quality compensator 340 and generates a constant oscillation frequency in a state in which a change in oscillation frequency for a temperature change is fixed; A mixer 380 for mixing the voice signal through the sound quality compensator 340 and the oscillation frequency provided from the crystal oscillator 360; Most preferably, the mixing unit 380 includes a high frequency amplifier 390 for amplifying and outputting the voice signal and the oscillation frequency.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and the preferred embodiments associated with the accompanying drawings.

1 is a front view showing a clip-type hands-free device according to the present invention,

2 is a left side view of the clip-type hands-free device shown in FIG. 1;

3 is a right side view of the clip-type hands-free device shown in FIG. 1;

4 is a rear view of the clip-type hands-free device shown in FIG. 1;

Figure 5 is a use state showing the front of the clip-type hands-free device according to an embodiment of the present invention,

6 is a use state diagram showing the left side of the clip-type hands-free device shown in FIG.

7 is a circuit diagram showing a clip-type hands-free device according to the present invention.

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

10: first microphone 20: second microphone

30: mobile phone 100: power relay

120: power supply 140: push switch

160: power supply confirmation unit 170: first power connection unit

180: second power supply connection unit 300: voice modulator

320: AF amplification unit 340: sound quality compensation unit

360: crystal oscillation unit 380: mixing unit

390: high frequency amplifier 400: earphone jack

500: antenna portion 700: body portion

800: tongs

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view showing a clip-type hands-free device according to the present invention. As illustrated in FIG. 1, when a telephone call with the other party is received, when a push switch 140 located at the front of the body 700 is applied by receiving power from a battery (not shown) and / or a battery (not shown) of the vehicle. The operation of the device is turned on, and pressing the push switch 140 again turns the operation of the device off. In this case, as the device is turned on by the push switch 140, a power check unit 160 capable of identifying an operation state is provided to enable correct operation.

When the voice signal is inputted to the second microphone 20 located in front of the body part 700, the voice signal is output through an earphone jack (not shown) connected to the second microphone 20. do. In addition, the antenna 500 located at the top of the body 700 emits a radio frequency to a car radio tuned to a predetermined frequency, and the car radio can output the voice signal of the other party from the mobile phone. Here, the antenna unit 500 can adjust the length of the transmission degree of the frequency can be adjusted according to the distance.

FIG. 2 is a left side view of the clip-type hands free device shown in FIG. 1, and FIG. 3 is a right side view of the clip-type hands free device shown in FIG. 1. 2 and 3, by connecting the first microphone 10 to a mobile phone speaker (not shown) that the voice signal of the other party is output during the mobile phone call, the body portion to listen to the voice signal through the earphone The earphone jack 400 is provided on the left side of the 700 to connect the earphone (not shown) to output the voice of the other party. In addition, the second power connection unit 180 is provided on the right side of the body part 700 to supply power to the second power connection unit 180 from the battery of the vehicle. In addition, the clip portion 800 attached to the body 700 is combined with a mobile phone (not shown) to receive a voice signal output from the mobile phone by the first microphone 10.

4 is a rear view of the clip-type hands-free device shown in FIG. 1. As shown in FIG. 4, the first power connection unit 170 is provided to insert a battery (not shown) on the top of the body part 700 to receive power from the battery. Then, by attaching the clip portion (800) in the form of a clip to the body portion 700 is fixed to be mounted with a mobile phone (not shown).

5 is a state diagram showing the front of the clip-type hands-free device according to an embodiment of the present invention, Figure 6 is a state diagram showing the left side of the clip-type hands-free device shown in FIG. 5 and 6, the clip portion 800 having a clip form attached to the body portion 700 is equipped with a mobile phone 30 to the body portion 700, from the mobile phone 30 The output voice signal of the other party is received through the first microphone 10 in close contact with the speaker of the mobile phone 30.

7 is a circuit diagram showing a clip-type hands-free device according to the present invention. As shown in FIG. 6, power required for a device from a battery (not shown) is applied to the power supply unit 120 of the power relay unit 100. The power applied to the power supply unit 120 is a battery of a vehicle (not shown). The first power connection unit 170 obtains power by inserting a battery into the second power connection unit 180 and the body unit 700 to which power is applied. In this case, power supplied to the power supply unit 120 is supplied by the first power connection unit 170 and / or the second power connection unit 180.

In addition, when power is applied to the power supply unit 120, the device is operated by turning on / off the push switch 140. When the push switch 140 is pressed, power is supplied to the device, and the push switch 140 is pressed. Press again to cut the power supply to the unit. In addition, the power check unit 160 is provided to check an operation state of supplying and cutting off the power by the push switch 140.

Therefore, when the user inputs his or her voice signal to the second microphone 20 connected to the earphone jack 400, the mobile terminal outputs the voice signal to the other party's mobile phone through a mobile phone jack (not shown) connected to the earphone jack 400. Here, using the second microphone instead of the microphone attached to the mobile phone to amplify the sensitivity of its own voice signal, and increases the sound quality of the call.

When the voice signal output by the cellular phone speaker is input through the first microphone 10, the voice signal prevents volume amplification and noise through the AF amplifier 320 of the voice modulator 300. In addition, an earphone (not shown) is connected to the earphone jack 400 connected to the AF amplifier 320 to output the voice signal to make a secret call. In addition, the voice signal received from the earphone jack 400 is compensated by the voice signal having a sufficient sound quality oscillated with the amplified signal by the sound quality compensation unit 340.

In addition, the oscillation frequency provided through the crystal oscillator 360 oscillating a predetermined oscillation frequency and the sound signal through the sound quality compensation unit 340 are mixed, and the high frequency amplification of the mixed speech signal and the oscillation frequency The output through the high frequency amplifier 390 to the antenna unit 500. The antenna unit 500 radiates a radio frequency to a radio tuned to a predetermined frequency band and outputs a voice of the other party from the radio.

According to the clip-type hands-free device according to the present invention as described above, by connecting with the mobile phone speaker, the voice signal of the other party is converted into voice modulation and radio frequency to radiate to the radio to obtain the effect of listening to the other party's voice. Can be.

This, the clip-type hands-free device according to the present invention is to output the voice signal to the car radio through the antenna when the phone call, the feature that can lead to efficient use without having a device having a separate function Have.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, various other modifications and variations may be made without departing from the spirit and scope of the present invention. Accordingly, it is intended that the appended claims cover such modifications and variations as fall within the true scope of the present invention.

Claims (6)

In the clip-type hands free device, A power relay unit 100 receiving power from a battery and relaying power required for operation of the device; A first microphone 10 receiving power from the power relay unit 100 and inputting a voice signal output from a mobile phone; A voice modulator (300) for modulating the voice signal input through the first microphone (10) to a wireless radio frequency; An earphone jack 400 connected to one side of the voice modulator 300 to output the voice signal inputted to the first microphone 10; A second microphone 20 connected to the earphone jack 400 to transmit its voice signal to a mobile phone; And Clip hands-free device characterized in that it comprises an antenna unit (500) for radiating the voice signal modulated from the voice modulator (300) to the radio. According to claim 1, wherein the power relay unit 100 is a power supply unit 120 receives the power from the battery to maintain a stable power; A push switch 140 for turning on / off a call of the cellular phone as the power input from the power supply unit 120 is switched; Clip-type hands-free device, characterized in that it comprises a power supply unit 160 to check the operating state of the device is supplied power through the push switch (140). The method of claim 2, wherein the power of the power supply unit 120 is turned on when the push switch 140 is pressed, and the power of the power supply unit 120 is turned off by pressing the push switch 140 again. Device. The method of claim 2, wherein the power supply unit 120 includes a first power connection unit 170 for supplying power by inserting a battery in the body portion 700 and the power supply unit 120; Clip-type hands-free device, characterized in that it comprises a second power connection (180) connected to the cigar jack to receive power from the vehicle battery. 5. The clip type hands-free device according to claim 4, wherein the power supplied to the power supply unit (120) is supplied by the first power connection unit (170) and / or the second power connection unit (180). 2. The apparatus of claim 1, wherein the voice modulator (300) comprises: an AF amplifier (320) for preventing volume amplification and noise of the voice signal input through the first microphone (10); A sound quality compensator 340 for compensating the sound signal sufficient for the sound quality oscillated with the amplified signal from the AF amplifier 320; A crystal oscillator 360 which is connected to the sound quality compensator 340 and generates a constant oscillation frequency in a state in which a change in oscillation frequency for a temperature change is fixed; A mixer 380 for mixing the voice signal through the sound quality compensator 340 and the oscillation frequency provided from the crystal oscillator 360; Clip-type hands-free device, characterized in that it comprises a high frequency amplifier (390) for amplifying and outputting the voice signal and the oscillation frequency mixed from the mixing unit (380).