JPH066285A - Mobile phone - Google Patents

Abstract

(57) [Abstract] [Purpose] To be able to add a tape recorder function to a mobile phone. [Structure] The handset 30 is separated from the mobile phone body 10. A first connector 12 to which the handset 30 is connected is provided. A second connector 1 to which an audio device 40 having a reproducing function or a reproducing function and a recording function is connected
3 is provided. Switch means 14, 17 for selectively connecting the second connector 13, the transmission circuit 15, and the reception circuit 16 to the first connector 12 are provided. During a call, the audio signal line between the first connector 12 and the transmission circuit 15 and the reception circuit 17 is connected through the switch means 14 and 17. At the time of non-call, the voice signal line between the handset 30 and the second connector 13 is connected through the switch means 14 and 17.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile phone which can incorporate a headphone stereo or the like.

[0002]

2. Description of the Related Art As mobile phones have become smaller and lighter, they are about the same size or smaller than headphone stereos.

[0003]

SUMMARY OF THE INVENTION The present invention is intended to provide a mobile phone which functions as a headphone stereo or the like or as a mobile phone, and which can organically combine those functions.

[0004]

Therefore, according to the present invention, when the reference numerals of the respective parts correspond to the embodiments described later, the handset 30 is a mobile phone 10 which is a separate body. First connector 12 to which 30 is connected
And a second connector 13 to which an audio device 40 having a reproducing function or a reproducing function and a recording function is connected.
And switch means 14 and 17 for selectively connecting the second connector 13 and the transmitter circuit 15 and the receiver circuit 16 to the first connector 12, and at the time of a call, the switch means 14 and 17 and the switch means 14 and 17 are provided. The audio signal line between the handset 30 and the transmitting circuit 15 and the receiving circuit 17 is connected through the connector 12 of No. 1, and the handset 30 and the audio are transmitted through the switch means 14 and 17 and the second connector 13 during non-call. The audio signal line is connected to the device 40.

[0005]

[Function] During a call, the earphone microphone 30 is used by the transmission circuit 1
5 is connected to the receiving circuit 16 to enable a telephone call, and the earphone microphone 30 is connected to the tape recorder 40 when the telephone call is not made.
It is possible to listen to the reproduced sound by connecting to.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an example of the appearance of a mobile phone according to the present invention.
It is divided into an earphone microphone (external handset) 30.

The telephone body 10 is provided with various circuits (not shown) for realizing a telephone call, and a transmitting / receiving antenna 11, connector jacks 12, 1 are provided.
3. Various function control keys such as a dial key Kd, a call key Ka, and an end key Kb are provided. And
Although not shown, the telephone body 10 can be attached to the waist of the user or hung from the shoulder by a belt or the like.

The earphone microphone 30 has an earphone 31 which functions as a receiver and a microphone 32 which functions as a transmitter, which are connected to the connector of the telephone body 10 through a cord 33 and a connector plug 34 each having an appropriate length. Connected to jack 12. However, in this case, the earphone 31 is connected to the tip of the cord 33, and the microphone 32 properly collects the voice of the user in the middle of the cord 33, that is, when the user sets the earphone 31 in his ear. Such a position is provided, for example, at a position where the height is around the chin to the throat.

Therefore, according to this portable telephone,
When the earphone 31 is set in the ear, it is not necessary to hold the handset during the call, and the call can be performed hands-free. Or, when there is an incoming call while walking,
An incoming call can be received by simply pressing the call key Ka, and the handset can be used more conveniently than a general portable telephone in which the handset is integrated in the telephone body.

FIG. 2 shows an example of circuits of the telephone body 10 and the earphone microphone 30. Reference numeral 40 is a cassette tape recorder.

In the telephone body 10, the jack 12 has a first hot contact 12A, a second hot contact 12B, and a ground contact 12G, and the jack 13 similarly has a first hot contact 13A, It has a second hot contact 13B and a ground contact 13G.

Further, in the telephone body 10, 15 is a transmitting circuit, 16 is a receiving circuit, 18 is a ringer, 21 is a microcomputer for system control, and 22 is an attenuator circuit. A dial key Kd, a transmission key Ka, and an end key Kb are connected to the microcomputer 21, and various control signals or data are accessed between the transmission circuit 15 and the reception circuit 16.

Further, the switch circuits 14 and 17, the ringer 1
8 and the attenuator circuit 22 are also controlled by the microcomputer 21, and the switch circuits 14 and 17 are connected in the state shown in the figure when the mobile telephone is not used as a telephone (non-call). Furthermore, the attenuator circuit 22
Is a method for attenuating a voice signal until a response is received when a call request is received from the base station.

On the other hand, in the earphone microphone 30, the plug 34 has the contacts 12A, 12B, 12G of the jack 12.
And contact points 34A, 34B, 34G respectively connected to. Then, the first hot contact 34A
And the ground contact 34G, the microphone 32 is connected, and the earphone 31 is connected between the second hot contact 34B and the contact 34G.

The tape recorder 40 is a general cassette tape recorder capable of recording and reproducing, and
Reference numeral 1 is the external microphone jack, and 42 is the earphone jack. And this tape recorder 40
Jack 13 of the telephone body 10 through the connection cord 50
Connected to. Therefore, the connection cord 50 has a connector plug 52 connected to the jack 13 at one end of the three-core cord 51, and the tape recorder 4 at the other end of the cord 51.
Connector plug 5 connected to 0 jacks 41, 42
3, 54. The contacts 52A, 5 of the plug 52
2B and 52G are contacts 13A and 13B of the jack 13,
13G, respectively.

In such a structure, the telephone body 10
When using, the earphone 31 is set in the ear. When the call key Ka and the dial key Kd are pressed, the protocol for calling is executed by the microcomputer 21, and the telephone body 10 is connected to the other party through the base station. At this time, the microcomputer 21 causes the switch circuit 14,
17 is controlled and connected in a state opposite to that shown in the figure.

When the user speaks, the voice is collected by the microphone 32, and the voice signal is converted from the cord 33 to the contact 34A of the plug 34 to the jack 1.
The signal is supplied to the transmission circuit 15 through the signal line of the second contact 12A → the switch circuit 14 and converted into the FM signal of the upstream channel, and this FM signal is transmitted from the antenna 11 to the base station.

Also, the FM of the downlink channel from the base station
The signal is received by the antenna 11 and supplied to the receiving circuit 16, and from the receiving circuit 16, the voice signal of the communication partner is extracted. Then, this voice signal is transmitted to the switch circuit 1
7 → contact 12B of jack 12 → contact 34 of plug 34
It is supplied to the earphone 31 through the signal line of B → code 33.

Therefore, in the present case, the earphone microphone 3
You can use 0 to talk to the other party.

When the end key Kb is pressed, the microcomputer 2
The protocol for ending the call is executed by 1 and the telephone body 10 enters the standby state. And in this standby state,
The switch circuits 14 and 17 are connected by the microcomputer 21 in the state shown in the figure.

Further, when there is an incoming call, the microcomputer 21 executes a protocol for the incoming call, and the microcomputer 21 drives the ringer 18 to output a ringer sound, which tells that there is an incoming call. To be

At this time, the attenuator circuit 22 is controlled by the microcomputer 21 and the attenuator circuit 22 is controlled.
Is in the state of attenuating any audio signal that passes through it to a level where the ringer sound is fully audible.

Then, when the call key Ka is pressed, the protocol for permitting the incoming call and performing the call is executed by the microcomputer 31, the ringer 18 is stopped, and the switch circuits 14 and 17 are set in the opposite manner to that shown in the figure. Connected to the state. Therefore, thereafter, the earphone microphone 30
Can be used to make calls as described above.

On the other hand, when the telephone recorder 10 is in the standby state and the tape recorder 40 is set to the reproduction mode, the reproduction signal is the earphone jack 42 of the tape recorder 40.fwdarw.plug 54.fwdarw.cord 51.fwdarw.the contact 52B of the plug 52. → The contact 13B of the jack 13 → The attenuator circuit 22 in the non-attenuated state → The switch circuit 17 → The contact 12B of the jack 12 supplies the earphone microphone 30 with the reproduced sound of the tape recorder 40.

Therefore, in the present case, the earphone microphone 3
0 can be used to listen to the reproduced sound of the tape recorder 40.

Further, when the telephone body 10 is in the standby state and the tape recorder 40 is set to the recording mode, the audio signal from the microphone 32 of the earphone microphone 30 changes from the contact 12A of the jack 12 to the switch circuit 1
4 → contact 13A of jack 13 → contact 52 of plug 52
It is supplied to the microphone jack 41 of the tape recorder 40 through the signal line of A → cord 51 → plug 53.

Therefore, in the present case, the microphone 3
The audio signal of the two collected sounds is recorded by the tape recorder 40. At this time, if the tape recorder 40 has a recording monitor function, the audio signal being recorded is output from the earphone jack 42 of the tape recorder 40. Therefore, the recording is performed through the same signal line as in the reproduction mode. The inside audio signal can be monitored by the earphone 31.

Further, when a call is received during reproduction or recording, the ringer 18 is driven and the ringer sound is output as described above, and the attenuator circuit 22 outputs the audio signal from the tape recorder 40. Since it is in the state of being attenuated, the incoming call can be known by the ringer sound.

Thus, according to the present invention, the portable telephone is separated into the telephone body 10 and the earphone microphone 30, the telephone body 10 is provided with the jack 13 for connecting the tape recorder 40, and the voice of the jack 13 is provided. Since the signal and the audio signal of the transmitting circuit 15 and the receiving circuit 16 are switched by the switch circuits 14 and 17, the playback signal of the tape recorder 40 can be heard by the earphone microphone 30 during non-call. At the time of a call, the earphone microphone 30 can be used as it is.

That is, the user can conveniently listen to music by the tape recorder 40 when carrying and can make or receive a call when necessary.

Moreover, since the tape recorder 40 is separate from the telephone body 10, only the telephone body 10 can be carried when music is not heard.

Further, when the tape recorder 40 is listening to music and an incoming call is received, the reproduced signal is attenuated by the attenuator circuit 22. Therefore, even when the tape recorder 40 is in use, the reproduction is sure. You can hear the ringing sound of the incoming call.

Further, when a call is made or a call is received, the signal supplied to the earphone 31 is switched from the reproduction signal of the tape recorder 40 to the voice signal of the telephone simply by operating the transmission key Ka. You can make and receive calls with exactly the same key operations as when you receive an incoming call on your mobile phone.

Further, the earphone 31 that has been listening to music can be used as it is for a call. Then, even at the time of ending the call, by simply pressing the end key Kb, the tape recorder 4 using the earphone 31 that has been used for the call until then.
You can hear the playback signal of 0.

Further, the tape recorder 40 does not have to be a specific model, and a handheld one can be freely used. Alternatively, if the recording function is unnecessary, a radio receiver or the like can be used instead of the tape recorder 40.

In the example shown in FIG. 3, a call can be recorded on the tape recorder 40 and the reproduction content of the tape recorder 40 can be sent to the other party of the call.

That is, in this example, the tape recorder 40 has a remote control function, and the microcomputer 21 outputs the remote control signal RM. Further, in order to supply the remote control signal RM to the tape recorder 40, the jack 13 is further provided with a third hot contact 13C.

The connection code 50 is also a remote control signal.
Corresponding to RM, 4-core cord 51 and 4-contact plug 5
2, 53. The switch circuit 6
1 to 66 do not show their control signal lines,
It is on / off controlled by a control signal from the microcomputer 21, and is turned off unless otherwise specified. Kc is a remote control key.

According to such a configuration, a call, a call, and an end of call are made in the same manner as in the example of FIG. 2 by using the keys Ka, Kb, Kd.

At the time of a call, the microphone 32
Is supplied to the transmission circuit 15 through the signal line of the contact 12A of the jack 12 → the switch circuit 61 → the addition circuit 71. Also, the voice signal of the other party from the receiving circuit 16 is transmitted through the switch circuit 63, the adding circuit 72, and the signal line of the contact 12B of the jack 12 to the earphone 31.
Is supplied to. Therefore, a call can be made using the earphone microphone 30.

When the recording key of the remote control keys Kc is operated during this call, a remote control signal RM is output from the microcomputer 21, and the remote control signal RM is transferred from the contact 13C of the jack 13 to the contact 52C of the plug 52. It is supplied to the headphone stereo 40 through the signal line of the cord 51 → the plug 53 → the jack 41.

Therefore, by operating the recording key of the remote control keys Kc, the headphone stereo 40
Is in recording mode.

At this time, the voice signal from the microphone 32 is supplied to the adding circuit 73 through the contact 12A of the jack 12 and the signal line of the switch circuit 65, and the voice signal of the other party from the receiving circuit 16 is switched. It is supplied to the adder circuit 73 through the circuit 64. Therefore, the addition circuit 73 extracts the addition signal of the voice signal of the user and the voice signal of the other party.

Then, this addition signal is supplied to the tape recorder 40 as a recording input through the contact 13A of the jack 13 and the signal line of the cord 50. Therefore,
The call at this time is recorded on the tape recorder 40. That is, so-called memo recording can be performed, and the content of the call can be recorded even in a state where a memo cannot be recorded on paper.

During a call, when the play key of the remote control keys Kc is operated, a remote control signal RM is output from the microcomputer 21, and the remote control signal RM is taped through the same signal line as when the recording key is operated. The tape recorder 40 is supplied to the recorder 40, and the tape recorder 40 is set to the reproduction mode.

Then, the reproduction signal of the tape recorder 40 is changed from the cord 50 to the contact 52B of the plug 52 to the jack 1
Contact 13B of 3 → attenuator circuit 2 in non-damped state
2 → distribution circuit 74 → switch circuit 62 → supplied to the transmission circuit 15 through the signal line of the addition circuit 71, and also distributed circuit 74 → switch circuit 66 → addition circuit 72 →
It is supplied to the earphone 31 through the signal line of the contact 12B of the jack 12.

Therefore, the reproduction signal of the tape recorder 40 can be heard by both the caller and the user.

At this time, the switch circuits 61, 63
Is turned on, the audio signal from the microphone 32 is supplied to the transmission circuit 15, and the audio signal from the reception circuit 16 is supplied to the earphone 31. Therefore, it is possible to talk while listening to the reproduction signal of the tape recorder 40.

On the other hand, when the telephone main body 10 is in the standby state and the tape recorder 40 is set to the reproduction mode by the remote control key Kc, the reproduction signal is the same as that in the above-mentioned call, and the contact 52B of the cord 50 → the plug 52. → The contact 13B of the jack 13 → The attenuator circuit 22 in the non-attenuated state → Distribution circuit 74 → Switch circuit 66 → Adding circuit 72 → The signal is supplied to the earphone 31 through the signal line of the contact 12B of the jack 12. At this time, the switch circuit 63 is turned off.

Therefore, in the present case, the earphone microphone 3
0 can be used to listen to the reproduced sound of the tape recorder 40.

When the telephone body 10 is in the standby state, the tape recorder 4 is operated by operating the remote controller key Kc.
When 0 is set to the recording mode, the audio signal from the microphone 32 of the earphone microphone 30 is transmitted to the tape recorder 40 through the signal line of the contact 12A of the jack 12 → the switch circuit 65 → the addition circuit 73 → the contact 13A of the jack 13 → the cord 50. Supplied. At this time, the switch circuit 64 is turned off.

Therefore, in this case, the microphone 3
The audio signal of the two collected sounds is recorded by the tape recorder 40. At this time, if the tape recorder 40 has a recording monitor function, the audio signal being recorded is output from the tape recorder 40. Therefore, the audio signal being recorded is output through the same signal line as in the reproduction mode. Can be monitored by the earphone 31.

Further, even when an incoming call is received during reproduction or recording, as described above, the ringer 18 is driven and the ringer sound is output, and the attenuator circuit 22 outputs the audio signal from the tape recorder 40. Since it is in the state of being attenuated, the incoming call can be known by the ringer sound.

Thus, according to this example, not only can the tape recorder 40 be used for reproduction and recording during a non-call, but also the contents of the call can be recorded during a call or the contents reproduced by the tape recorder 40 can be communicated to the user. You can listen to both parties.

In the example shown in FIG. 4, the tape recorder 40 is a headphone stereo (stereo tape player) which can be remote controlled. Therefore, the jack 41 of the headphone stereo 40 is a four-contact jack corresponding to the stereo left and right channel audio signals L and R, the remote control signal RM, and the ground line.

In the telephone body 10, the jack 13 has contacts 13A to 13C, 13G corresponding to the jack 41 of the headphone stereo 40, and the microcomputer 2
A remote control signal of the headphone stereo 40 is supplied from 1 to the contact 13C. Reference numeral 23 is an attenuator circuit, which is controlled by the microcomputer 21 together with the attenuator circuit 22 as described above. Furthermore, microcomputer 2
1, a remote control key Kc of the headphone stereo 40 is also provided.

The connecting cord 50 is a four-core cord 5
4 contact plugs 5 corresponding to 1 and jacks 13 and 41
It is composed of 2, 53.

Further, a stereo earphone 35 is prepared in place of the earphone microphone 30. This stereo earphone 35 includes earphones 36L, 3 for left and right channels.
6R, and these are connected to the plug 34 through the cord 37. In this case, the earphone 36L also operates as a microphone (speaker) during a call, and the earphone 36R (and 3
6L) is of an electromagnetic type, and its rear part is acoustically opened so that external sound can be collected.

According to such a configuration, the call origination, the call termination, and the call termination are performed using the keys Ka, Kb, and Kd in the same manner as in the example of FIG.

At the time of a call, even if the earphone 36R remains set in the ear, the earphone 36R functions as a microphone (speaker) to collect the voice of the user, and the voice signal is the jack 12. Is supplied to the transmission circuit 15 through the signal line of the contact 12A → switch circuit 14. Further, the voice signal of the other party from the receiving circuit 16 is supplied to the earphone 36L through the signal line of the switch circuit 17 → the contact 12B of the jack 12. Therefore, a call can be made using the earphones 36R and 36L.

On the other hand, when the main body 10 of the telephone is in the standby state and the remote control key Kc of the headphone stereo 40 among the operation keys is operated, the remote control signal RM is output from the microcomputer 21, and the remote control signal RM is jacked. The signal is supplied to the headphone stereo 40 through the signal line of the contact 13C of 13 → the contact 52C of the plug 52 → the cord 51 → the plug 53 → the jack 41.

Therefore, by operating the remote control key Kc, the headphone stereo 40 can be controlled in various modes such as the reproduction mode.

When the headphone stereo 40 is set to the reproduction mode, the reproduced signals L and R are jack 41 → plug 53 → cord 51 → plug 52 contacts 52B and 52A → jack 13 contacts 13B and 13A.
→ Attenuator circuits 22 and 23 in non-attenuated state → Switch circuits 17 and 14 → Contacts 12B and 12 of jack 12
It is supplied to the earphones 36L and 36R through A.

Therefore, in the present case, the reproduced sound of the headphone stereo 40 can be heard using the stereo earphone 35.

Furthermore, when an incoming call is received during reproduction, as described above, the ringer 18 is driven and the ringer sound is output, and the attenuator circuits 22 and 23 output the signals L and R from the headphone stereo 40. Since it is in the state of being attenuated, the incoming call can be known by the ringer sound.

Then, in order to respond to the incoming call, when the call key Ka is pressed, the remote control signal RM is output, the headphone stereo 40 is set to the stop mode, and the switch circuits 14 and 17 are set in the states opposite to those shown in the figure. Connected. Also,
The connection processing for a call is executed, and the telephone body 10
The call is placed. Therefore, thereafter, the call can be performed as described above.

When the call is finished, the end call key K
When b is pressed, the process of ending the call is performed, the telephone body 10 is put in the standby state, and the remote control signal RM is output to put the headphone stereo 40 into the reproduction mode. Further, the attenuator circuits 22 and 23 are in the non-attenuated state, and the switch circuits 14 and 17 are also connected to the state shown in the figure.
Therefore, when the call ends, the music of the headphone stereo 40 can be heard again.

Thus, according to this example, the reproduction sound of the headphone stereo 40 can be usually heard by the stereo earphones 35 while being carried, and the earphones 35 can be heard when making or receiving a call. You can make a call without removing it. Also,
When the call ends, the music of the headphone stereo 40 can be heard from the part where the call started.

Further, instead of the headphone stereo 40, a CD player, an FM stereo receiver or the like can be connected and various sources can be listened to.

In the above description, when the call is received, the ringer 18
Alternatively, the ringer signal may be mixed with the signal from the tape recorder (headphone stereo) 40 instead of driving In the example of FIGS. 3 and 4, the tape recorder (headphone stereo) 40 is kept in the reproduction mode without the stop mode during a call, and the reproduction signal is reduced to the earphones 31 and 36L. It can also be supplied. Furthermore, in the above description, the earphone 3
1, 36L, 36R are inner ear type,
It may be an outer ear type (headphone type).

[0071]

According to the present invention, the portable telephone is separated into the telephone body 10 and the earphone microphone 30, and the jack 1 for connecting the tape recorder 40 to the telephone body 10.
3 and the audio signal of the jack 13 and
Since the audio signals of the transmitting circuit 15 and the receiving circuit 16 are switched by the switch circuits 14 and 17, it is possible to listen to the reproduction signal of the tape recorder 40 by the earphone microphone 30 during a non-call, and during a call. It is possible to talk with the earphone microphone 30 as it is.

That is, the user can conveniently listen while listening to music with the tape recorder 40 when carrying and can make or receive a call when necessary.

Moreover, since the tape recorder 40 is separate from the telephone main body 10, only the telephone main body 10 can be carried when music is not heard. In addition, when the tape recorder 40 listens to music and receives an incoming call, the attenuator circuit 2
Since the reproduced signal is attenuated by 2, the ringing tone of the incoming call can be surely heard even when the tape recorder 40 is used.

Further, when a call is made or a call is received, the signal supplied to the earphone 31 is switched from the reproduction signal of the tape recorder 40 to the voice signal of the telephone only by operating the transmission key Ka. You can make and receive calls with exactly the same key operations as when you receive an incoming call on your mobile phone.

Further, the earphone 31 that has been listening to music can be used as it is for a call. Then, even at the time of ending the call, by simply pressing the end key Kb, the tape recorder 4 using the earphone 31 that has been used for the call until then.
You can hear the playback signal of 0.

Further, the tape recorder 40 does not have to be a specific model, and a handheld one can be freely used. Alternatively, if the recording function is unnecessary, a radio receiver or the like can be used instead of the tape recorder 40.

Further, not only can the tape recorder 40 reproduce and record when not in a call, but during a call, the contents of the call can be recorded and the contents reproduced by the tape recorder 40 can be heard by both the user and the other party. You can also

Further, when carrying, it is possible to normally listen to the reproduced sound of the headphone stereo 40 through the stereo earphones 35, and when making a call or receiving a call, the earphones 35 are not removed even if they are taken. You can make calls. Further, when the call ends, the music of the headphone stereo 40 can be heard from the portion where the call started.

Further, instead of the headphone stereo 40, a CD player, an FM stereo receiver or the like can be connected, and various sources can be heard.

[Brief description of drawings]

FIG. 1 is a perspective view showing an appearance of an example of the present invention.

FIG. 2 is a system diagram showing an example of the present invention.

FIG. 3 is a system diagram showing another example of the present invention.

FIG. 4 is a system diagram showing still another example of the present invention.

[Explanation of symbols]

 10 Telephone Main Body 12, 13 Connector Jack 15 Transmission Circuit 16 Reception Circuit 18 Ringer 21 Microcomputer 22, 23 Attenuator Circuit 30 Earphone Microphone 31 Earphone 32 Microphone 34 Connector Plug 35 Stereo Earphone 40 Tape Recorder or Headphone Stereo 50 Connection Cord

Claims (4)

[Claims] 1. A mobile phone having a handset as a separate body, wherein a first connector to which the handset is connected and an audio device having a reproducing function or a reproducing function and a recording function are connected. A second connector; and a switch means for selectively connecting the second connector, the transmitting circuit and the receiving circuit to the first connector, and during the call, the switch means and the first connector A voice signal line is connected between the handset and the transmitting circuit and the receiving circuit through the connector, and when not in a call, between the handset and the audio device through the switch means and the second connector. A mobile phone that is connected to the audio signal line. 2. A mobile phone having a handset as a separate body, wherein a first connector to which the handset is connected and an audio device having a reproducing function or a reproducing function and a recording function are connected. A second connector is provided, and an audio signal line between the handset and the audio device is connected through the second connector when not in a call, and when the call is made, the first connector and the second connector Through the connector, the handset, the audio device,
A mobile phone in which an audio signal line is connected between the transmitting circuit and the receiving circuit. 3. A mobile phone having a handset as a separate body, wherein a first connector to which the handset is connected and an audio device having a reproducing function or a reproducing function and a recording function are connected. A second connector, a switch means for selectively connecting the second connector, and a transmitter circuit and a receiver circuit to the first connector, and the switch means and the second connector during non-call. The voice signal line between the handset and the audio device is connected through the connector of, and at the time of a call, between the handset and the transmitter circuit and the receiver circuit through the switch means and the first connector. Audio signal line is connected, and at the time of this call, set the audio device to stop mode or reduce the level of its playback signal. Mobile phone. 4. A mobile telephone having a handset as a separate body, wherein a first connector to which the handset is connected and an audio device having a reproducing function or a reproducing function and a recording function are connected. A second connector; and a switch means for selectively connecting the second connector, the transmitting circuit and the receiving circuit to the first connector, and during the call, the switch means and the first connector A voice signal line is connected between the handset and the transmitting circuit and the receiving circuit through the connector, and when not in a call, between the handset and the audio device through the switch means and the second connector. Audio signal line is connected, and in the non-talking state, when the incoming call is ringing, the audio device is in the stop mode or its playback. A mobile phone designed to reduce the signal level.