KR200202132Y1 - Wireless hands-free system for a mobile phone - Google Patents

Abstract

The present invention provides a hands-free system of a mobile phone without interference of transmission and reception so that a user can easily use it while driving and can make a smooth call even in an environment such as vehicle noise.

The hands-free system is a hands-free system for a mobile phone which is detachably mounted on the input / output unit 12 of the mobile phone 10 to make a call: via a connection jack 52 to the input / output unit 12 of the mobile phone 10. And is detachably connected, and modulates the voice signal output through the input / output unit 12 in the modulator 53 of the transmitter 54 to transmit it wirelessly through the drive unit 55 and the antenna 56, A telephone attachment unit 50 for inputting a voice signal input through the microphone 58 to the mobile phone 10 through the input / output unit 12; And a voice modulation signal transmitted from the telephone attachment unit 50 through the reception unit 62 via the antenna 63, and then tuned and detected by the tuning unit 64 and the detection unit 65, and then driving unit. It characterized in that it comprises an ear (60, 60 ') for outputting a voice by vibrating the earphone (67) through (66).

Description

Hands-free system for a mobile phone

The present invention relates to a hands-free system of a mobile phone, and more particularly, to a hands-free system of a mobile phone without interference of transmission and reception so that a user can easily use it while driving and can make a smooth call even in an environment such as vehicle noise.

In recent years, mobile phones, which are carried and used by anyone, are used directly in the ear and mouth in any form, and the obstacle caused by the electromagnetic wave has appeared as a social problem.

In order to solve this problem, the earphone mobile phone as shown in FIG. 1 using the earphone jack to install and detach the earphone has appeared, but the inconvenience of having to install and remove the earphone, as well as the earphone storage or loss of There are problems such as concern and poor connection. In FIG. 1, the mobile phone 10 is provided with an input / output unit 12 together with a connection jack, and the connection jack 22 of the earphone-microphone combination 20 is electrically detachable to the input / output unit 12. The handset is made through the earphone 24 and the microphone 26 via the connection jack 22 and the input / output unit 12.

The earphone-microphone assembly 20 is prohibited from being used while driving a vehicle, and a wireless hands-free system for receiving a mobile phone while driving is developed. The hands-free system of the conventional mobile phone is illustrated in FIG. 2. And a telephone attachment part 30 having a connection jack 32, a receiver 38, a transmitter 34, and an antenna 36 for detachably connecting to the input / output unit 12 of the mobile phone 10. And an earphone-microphone assembly 40 having an earphone 44, an earphone 44, a transmitter 46, and a microphone 47, wherein the voice signal output from the input / output unit 12 of the mobile phone 10 is attached to the telephone attachment unit. 30 is modulated by the transmitter 34 and transmitted to the receiver 42 of the earphone-microphone assembly 40 through the antenna 36, and the receiver 42 tunes and detects the voice to the earphone 44. Sign language is made by outputting the sound signal, and an audio signal input through the microphone 47 is produced. By being modulated by the transmission unit 46 is transmitted to the receiver 38 of the telephone attachment portion 30 via the antenna input to the mobile phone 10 will be written the mouthpiece.

However, in the hands-free system of a cellular phone in which a conventional receiver and a transmitter are integrated, the receivers 38 and 42 and the transmitters 34 and 46 are integrally formed in the telephone attachment unit 30 and the earphone-microphone assembly 40, respectively. As a result, interference is generated and noise is generated, and in particular, a call is not smoothly performed in a situation such as vehicle noise.

Therefore, the present invention is designed to solve the above problems, the user can easily use while driving, the hands-free system of the mobile phone without the interference of transmission and reception so that the user can smoothly talk without radio interference between the transmitter and receiver The purpose is to provide.

1 is a block diagram showing the structure of a mobile phone with a conventional earphone,

2 is a block diagram showing the structure of a conventional hands-free system attached state,

3 is a schematic configuration diagram showing the configuration of a hands-free system of a whisper-type mobile phone according to an embodiment of the present invention;

Figure 4 is a schematic configuration diagram showing the configuration of the hands-free system of the ear-shaped cell phone according to another embodiment of the present invention,

Figure 5 is a block diagram showing the configuration of the phone mounting portion in Figures 3 and 4,

6 is a block diagram showing a configuration of an ear part in FIGS. 3 and 4;

Figure 7 is a schematic diagram showing the configuration of a hands-free system of a mobile phone according to another embodiment of the present invention.

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

10: mobile phone 12: input and output unit

20: earphone-microphone combination 22: connection jack

24: earphone 26: microphone

30: telephone attachment portion 32: connection jack

34: transmitter 36: antenna

38: receiver 40: earphone-microphone combination

42: receiver 44: earphone

46: transmitter 47: microphone

50: telephone attachment portion 51: power supply

52: connection jack 53: modulator

54: transmitter 56: antenna

58: microphone 60: ear canal

60 ': hook-type ear 61: power supply

62: receiver 63: antenna

64: sympathizer 65: detector

66: driving unit 67: earphone

70: handset and switching unit

71: switching unit

73: microphone

74: transmitter

76: antenna

78: receiver

80: audio player

81: earphone

In order to achieve the above object, the hands-free system of a mobile phone according to an embodiment of the present invention is a hands-free system of a mobile phone for making a call by being detachably mounted on an input / output part of a mobile phone: through a connection jack of an input / output part of the mobile phone. The voice signal output through the input / output unit is modulated by the modulation unit of the transmitter to be transmitted wirelessly through the drive unit and the antenna, and the voice signal input through the microphone is input to the mobile phone through the input / output unit. Telephone attachment portion for; And an ear unit for receiving a voice modulated signal transmitted from the phone attachment unit through an antenna at a receiving unit, and tuning and detecting the same through an antenna and a detector, and then outputting voice by vibrating earphones through a driving unit. It is characterized by.

The ear part may be one of an ear type ear part using only energy of a carrier wave transmitted without a power source part, and a hook type ear part provided with a power source part and configured to be eared.

In addition, the present invention is a hands-free system of a mobile phone for making a call by detachably mounted to the input and output of the mobile phone: a mobile phone having a connection jack, a receiver, a transmitter and an antenna for detachably connecting to the input and output of the mobile phone A telephone attachment unit for modulating the voice signal output from the input / output unit of the telephone attachment unit and being transmitted through an antenna; And a receiver for receiving a voice signal through an antenna, a switching unit which is driven when the voice signal is input to the receiver to disconnect the audio player from the earphone and connects the receiver to the earphone, and a voice of the talker. The present invention provides a hands-free system for a mobile phone, comprising a handset and a switching unit having a microphone and a transmission unit for converting, modulating, and transmitting a call through the phone attachment unit and the mobile phone.

Hereinafter, a preferred embodiment of the present invention with reference to the accompanying drawings in detail, as follows.

3 is a configuration of a hands-free system of a whistle-type mobile phone according to an embodiment of the present invention, and FIG. 4 is a configuration of a hands-free system of an ear-shaped phone according to another embodiment of the present invention as a schematic configuration diagram of an appearance. FIG. 5 is a block diagram showing the configuration of the telephone attachment unit 50 in FIGS. 3 and 4 and a configuration of the ear portion 60.60 'in FIGS. 3 and 4.

In FIG. 3, the hands-free system of the mobile phone according to the exemplary embodiment of the present invention includes a phone attachment part 50 for mounting on the mobile phone 10, and an ear type ear part 60 for wearing in the ear.

The telephone attachment part 50 is detachably connected to the input / output part 12 of the cellular phone 10 via the connection jack 52. The audio signal outputted through the input / output unit 12 is transmitted through the transmission unit 54 and the antenna 56 of the telephone attachment unit 50, and the circuit of the power supply unit 51 is specifically shown in FIG. As described above, the audio signal inputted by the modulator 53 of the transmitter 54 is modulated to be transmitted wirelessly through the drive unit 55 and the antenna 56. In addition, the telephone attachment unit 50 is provided with a microphone 58 to input the caller's voice to the mobile phone 10 through the input and output unit 12. The power supply unit 51 required for the telephone attachment unit 50 may be mounted separately from the mobile phone 10 or may be configured by using the power of the mobile phone 10.

The ear type 60 has only the receiver 62 and the earphone 67, so that the configuration can be simple and compact to facilitate wearing in the ear. In FIG. 6, the voice modulated signal received by the receiver 62 of the ear type 60 is tuned and detected while passing through the tuner 64 and the detector 65, and then the driver 66 is moved. By vibrating the earphone 67 through the earphone 67, the voice of the caller is output. At this time, the ear type 60 may be provided with a power supply 61, but may be configured using only the energy of the FM frequency signal, AM frequency signal, PCM signal, etc. without the power supply 61 for a more compact configuration. have.

In FIG. 4, the phone attachment part 50 of the hands-free system of the cellular phone according to another embodiment of the present invention is the same as in FIG. 3, and the ear part is a hook-type ear part 60 instead of the ear type ear part 60 of FIG. 3. ').

Unlike in FIG. 3, the hook type ear part 60 ′ is provided such that the power source part 61 is provided and can be hooked to the ear. In this case, the output of the earphone 67 can be made stronger and it is possible to wear it to the ear stably.

As described above, the telephone attachment unit 50 does not have a receiver unlike the conventional one, and receives a sound wave directly through the microphone 58, so that the FM frequency signal and the AM frequency are modulated and transmitted by the transmission unit 54 of the telephone attachment unit 50. Interference with the signal, the PCM signal, etc. does not occur, and thus the noise is reduced, so that the call can be made smoothly. In addition, since the microphone and the transmitter are not worn, the caller can be easily worn.

In addition, in the case of the ear type 60, the ear can be worn in the ear by using the energy of the transmission carrier without providing the power supply 61, which is more convenient.

In addition, the configuration of the hands-free system of the cellular phone according to another embodiment of the present invention is shown in schematic configuration in FIG.

The present invention of FIG. 7 is for carrying out by switching the function between the telephone attachment part 30 and the audio player 80 and the mobile phone 10 to be detachably mounted on the input / output unit 12 of the mobile phone 10. It comprises a handset and switching unit 70.

The configuration of the telephone attachment part 30 can solve the conventional problems while using the conventional one shown in FIG. 2 and connect the audio player 80 to listen to music or the like when the mobile phone 10 is not used. It is configured to be.

That is, the telephone attachment unit 30 is provided with a connection jack 32, a receiving unit 38, a transmitting unit 34 and an antenna 36 for detachably connecting to the input / output unit 12 of the mobile phone 10. The voice signal outputted from the input / output unit 12 of (10) is modulated by the transmitting unit 34 of the telephone attachment unit 30 and transmitted through the antenna 36, and the voice signal is transmitted from the handset and switching unit 70. When received, it is transmitted and communicated via the input / output unit 12 of the mobile phone 10.

On the other hand, the handset and switching unit 70 converts, modulates and transmits the voice of the receiver 78 and the talker, which receives a voice signal through the antenna 76, into a voice signal, and the telephone attachment unit 30 and the mobile phone ( 10) has a microphone 73 and a transmitter 74 for making a call. In addition, the handset and switching unit 70 has a switching unit 71 for connecting the audio player 80 and the earphone 81 when the mobile phone 10 is not in use, and the switching unit 71 When the audio signal is input to the receiver 78, the audio player 80 is disconnected from the earphone 81 and the receiver 78 is connected to the earphone 81.

The handset and switching unit 70 configured as described above has no distance problem between the earphone 81 and the microphone 73 so that there is no problem of interference, and the phone while listening to music or the like when the mobile phone 10 is not in use. When there is a call, or when you want to use the mobile phone 10 has the advantage of functioning as a part of the mobile phone (10).

According to the configuration and operation of the hands-free system of the mobile phone according to the embodiments of the present invention described above, the receiver is removed from the telephone attachment portion 50 and the microphone 58 is directly connected, and the ear portions 60 and 60 'are also connected. By removing the transmitter and providing only the receiver 62 and the earphone 67, it is formed of the ear type 60 to the hook type 60 'and can be easily worn with a simple configuration, which is particularly convenient while driving. Increasingly, the use of a device that requires complicated operation while driving, or which is cumbersome to wear is prohibited, so that the mobile phone 10 can be conveniently used while driving, and also there is no interference of transmission and reception, even in an environment such as vehicle noise. There are effects such as being able to talk smoothly.

Claims (1)

In the hands-free system of the mobile phone for making a call by detachably mounted on the input / output unit 12 of the mobile phone 10: The mobile device 10 is detachably connected to the input / output unit 12 of the mobile phone 10 via the connection jack 52, and modulates the voice signal output through the input / output unit 12 in the modulator 53 of the transmitter 54. By wireless transmission through the drive unit 55 and the antenna 56, and the phone attachment unit 50 for inputting the voice signal input through the microphone 58 to the mobile phone 10 through the input and output unit 12 ); And After receiving the voice modulation signal transmitted from the telephone attachment unit 50 through the antenna 63 through the antenna 63, and tuning and detecting it in the tuning unit 64 and the detector 65, the driving unit ( 66, the ear type 67 by vibrating the earphone 67, the ear-type ear portion 60 using only the energy of the carrier wave transmitted without the power supply portion, and the power supply portion 61 is provided with a hook-type ear portion formed so that the ear Hands free system of a mobile phone, characterized in that it comprises an ear (60, 60 ') which is one of (60').