JP2001309476A - Sound information switching device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sound information switching device, where respective pieces of sound information such as a call by a portable telephone set and music are switched and the handling of respective pieces of sound information is facilitated, while the sound reproducing machine of existing CD and MD, a radio receiver and the portable telephone set are used effectively. SOLUTION: When a switch means installed in a body part 10, to which a headphone HH with a bone conduction microphone 3 is connected, is switched to a call state, a sound signal from the portable telephone set KD, connected to a telephone connection part 28 installed in the body part 10, is outputted to the headphone HH and the sound signal inputted by the bone conduction microphone 3 is outputted to the portable telephone set KD. When the switch means is changed over to a sound information hearing state, a sound information signal from a sound information generation machine SK, connected to a sound information connection part 29 installed in the body part 10, is outputted to the headphone HH.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone equipped with a human body equipped with a bone conduction microphone while switching sound information such as voice and music in a portable telephone call. The present invention relates to a voice information switching device that enables listening.

[0002]

2. Description of the Related Art In recent years, for the purpose of facilitating the handling of various types of audio information such as telephone calls and stereo music, for example, Japanese Patent Application Laid-Open Nos.
As shown in JP-A-27788, an earphone with a bone-conduction microphone in which a bone-conduction microphone is incorporated in an earphone is configured as a speaker for human body equipped with a bone-conduction microphone for detecting sound from a vocal cord. An earphone with a sound reproducing unit for reproducing music information from a CD or MD, a radio receiving unit for receiving radio waves such as FM or AM, and a voice information unit equipped with a telephone communication unit for talking with another telephone. It was connected to a switching device. The switching device is configured to be switchable between an audio mode (hereinafter, also referred to as a sound information listening state) and a telephone call mode (hereinafter, also referred to as a telephone call state). You can listen to the stereo music played from the device or the sound received by the radio receiver with the earphones.In the call mode, the phone talker conveys your voice detected by the bone conduction microphone to the other party, While listening to the voice of the user with the earphone, the user can talk with another telephone.

[0003]

However, in the above-mentioned prior art, the audio information switching device has a built-in audio reproducing unit or radio receiving unit such as a CD or MD, and a telephone communication unit all in one housing. Since it is configured as a body-type audio information switching device, even if it already has a music player such as a CD player or MD player, a dedicated sound information generator such as a radio receiver, and a mobile phone, it is one of them. There is a disadvantage that the user has to use a body-shaped voice information switching device and cannot effectively use the existing devices.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to solve the disadvantages of the prior art described above, and to reproduce sound information from existing music players such as CDs and MDs and radio receivers. To provide a voice information switching device that switches each voice information such as a call and music by a mobile phone and facilitates handling of each voice information while effectively utilizing a generator and a mobile phone. is there.

[0005]

According to the first aspect of the present invention, a telephone connection section for connecting a mobile phone and a sound information generator are provided on a main body section to which a body-mounted speaker having a bone conduction microphone is connected. A connection section for sound information to be connected is provided, and an audio signal from the mobile phone connected to the connection section for telephone is output to the speaker for human body wearing, and an audio signal input by the bone conduction microphone is output. Switching means capable of switching between a call state for outputting to the mobile phone and a sound information listening state for outputting a sound information signal from the sound information generator connected to the sound information connection section to the speaker for human body mounting. Are provided on the main body. That is, when the switching means provided on the main body to which the body-worn speaker provided with the bone conduction microphone is connected is switched to the talking state, the sound from the mobile phone connected to the telephone connection provided on the main body is obtained. The signal is output to the body-worn speaker, and the audio signal input by the bone conduction microphone is output to the mobile phone. On the other hand, when the switching means is switched to the sound information listening state, the sound provided on the main body is output. A sound information signal from a sound information generator connected to the information connection unit is output to a speaker mounted on a human body.

Therefore, an existing portable telephone and a sound information generator are connected to a main body to which a human body-equipped speaker having a bone conduction microphone is connected, and each sound information of the portable telephone and the sound information generator is switched. Meanwhile, since a call and sound information can be heard on a mobile phone using a human body-equipped speaker having the bone conduction microphone, an existing music player such as a CD or MD, a sound information generator such as a radio receiver, and the like, There is provided an audio information switching device that switches each audio information such as a call by a mobile telephone and music while facilitating the handling of each audio information while effectively utilizing the mobile phone.

According to a second aspect, in the first aspect, the speaker for human body is configured as a headphone with a bone conduction microphone. That is, the headphone with the bone conduction microphone is attached to the head in a state where the headphone is brought into contact with the human ear, the sound generated from the headphone is heard with the ear, and the bone conduction microphone provided in the headphone is applied to the human ear. A bone conduction sound is detected. Therefore, since the speaker for wearing on the human body is constituted by the headphone with the bone conduction microphone, for example, even when the user accidentally pulls the connection cord for signal input / output drawn out from the bone conduction microphone and the headphone, the headphone can be used. By avoiding the state of being attached to the ears being shifted or coming off, the sound of the headphones can be heard well, and the sound can be detected satisfactorily by the bone conduction microphone. It is possible to listen to each voice information such as a telephone call and music by a mobile phone, thereby obtaining a suitable means for implementing the voice information switching device according to the first aspect.

According to a third aspect, in the first or second aspect, when a transmission signal from another telephone is arriving at the portable telephone, the incoming call notifying means for notifying the arrival is provided by:
The main body or the speaker for human body is provided. That is, when a transmission signal from another telephone is arriving at the portable telephone, the arrival is notified by the incoming notification means provided in the main body or the speaker mounted on the human body. Therefore, for example, even when the switching means is switched to the sound information listening state and the sound information from the sound information generator is being listened to, the transmission signal may be received from another telephone by the incoming call notifying means. Since the notification is made, the switching means can be switched to the communication state based on the notification, and the telephone can be quickly communicated with the other telephone. Therefore, the voice information switching device according to claim 1 or 2 can be used. Suitable means for implementation are obtained.

According to a fourth aspect, in the third aspect, the incoming call notifying means is constituted by a light emitting means for notifying the incoming call by light. That is, when a transmission signal from another telephone is arriving at the mobile phone, the reception is
It is informed by the light of the light emitting means provided on the main body or the speaker mounted on the human body. Therefore, the incoming of a transmission signal from another telephone is notified to the mobile phone by light, so that the incoming call is reliably transmitted to the person while avoiding emitting unnecessary ringtones to the surroundings. In particular, when the light emitting means is provided on the body-worn speaker, the surrounding people can also see the light and know that a transmission signal has been received from the other telephone to the mobile phone. Can be mistaken for speaking alone when talking on a mobile phone,
Preferred means for implementing the voice information switching device according to claim 3 is obtained.

According to a fifth aspect, in the third aspect, the incoming call notifying means is constituted by a vibration generating means for notifying the incoming call by vibration. That is, when a transmission signal from another telephone arrives at the portable telephone, the arrival is notified by the vibration generated by the vibration generating means provided in the main unit or the speaker mounted on the human body.
Therefore, the arrival of a transmission signal from another telephone is notified to the mobile phone by vibration, so that the arrival of the incoming call is reliably transmitted to the person while avoiding emitting unnecessary ringtones to the surroundings. Thus, suitable means for implementing the voice information switching device according to claim 3 can be obtained.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects, a communication antenna provided on the speaker mounted on the human body is connected to a telephone-side communication antenna provided on the portable telephone. ing. That is, a radio signal transmitted and received by the communication antenna provided on the body-mounted speaker in communication with another telephone is transmitted to the telephone-side communication antenna provided on the mobile telephone and input to the mobile telephone. Therefore, since the communication antenna provided on the body-mounted speaker is located at a high position and the radio wave reception state is good, for example, when the mobile phone is put in a bag or a pocket of clothes, the Even if the reception state when communicating with the telephone relay base in a state in which the side communication antenna is not extended is poor, the communication state is improved by the communication antenna provided on the speaker mounted on the human body, and the mobile phone improves the communication state with the other party. Since it is possible to make a call and to separate the mobile phone from a human body as much as possible by putting it in a bag or the like, there is also an effect of reducing the effect of electromagnetic waves on the human body. Suitable means for implementing the audio information switching device according to the above item is obtained.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment] A first embodiment of a voice information switching device according to the present invention will be described below with reference to the drawings. As shown in FIG. 1, a speaker for human body equipped with a bone conduction microphone 3 is configured as a headphone HH with a bone conduction microphone, and a switching device 10 as a main body to which the headphone HH with a bone conduction microphone is connected is provided with a portable device. A telephone KD and an MD player SK as a sound information generator are connected.

More specifically, a signal line cord 5 for inputting / outputting an audio signal is drawn out from a headphone HH with a bone conduction microphone, and a connection plug 5 provided at an end of the signal line cord 5 is provided.
a is the headphone connection unit 2 provided in the switching device 10
7 is connected. Further, the switching device 10 is provided with a telephone connection unit 28 for connecting the mobile phone KD and a sound information connection unit 29 for connecting the MD player SK. The connection portion 28 is connected by the signal line cord 12 having connection plugs 12a and 12b at both ends, and the output terminal of the MD player SK and the sound information connection portion 29 are connected to the connection plugs 13a and 13b at both ends. Are connected by a signal line cord 13 having

Next, the above-mentioned headphone H with a bone conduction microphone
H will be described with reference to FIGS. The headphone HH with a bone conduction microphone has a main body 1 formed in a U-shape, in which both ends 1a and 1b are movable in directions of approaching and separating from each other and elastically biased toward the approach side.
a and 1b are provided so as to be freely attachable so as to be brought into contact with human ears. FIG. 5 shows a state in which the user wears the device. The main body 1 includes a U-shaped portion 1A and the U-shaped portion 1A.
A comprises a pair of side parts 1B which can be inserted at both ends, and the lower end of each side part 1B corresponds to both ends 1a and 1b. Since the U-shaped portion 1A and each side portion 1B are manufactured by resin molding, for example, the both-side portion 1B is gripped by hand and pushed to elastically deform the U-shaped portion 1A and each side portion 1B, and the both end portions 1a are formed. , 1b can be moved toward and away from each other, and if the distance between both sides 1B is widened for mounting on the head, an elastic biasing force acts in a direction toward both ends 1a, 1b. Will be.

The headphone HH with a bone conduction microphone is formed in a stereo type, and both ends 1a, 1b of the main body 1 are provided.
Each of them has a speaker 2 and one end 1a
And a bone conduction microphone 3 for detecting a bone conduction sound to a human ear.
Is provided. End 1 with bone conduction microphone 3
FIG. 3 shows the structure of a. The speaker 2 includes a small speaker body 20, a support member 21 for supporting the speaker body 20, and a dustproof plate 22 on the front side of the speaker body 20 for preventing dust from entering. Note that the dustproof plate 22 is
It is adhered and attached to an annular member 4 made of a soft resin adhered to the end 1a. In the figure, reference numeral 23 denotes an annular edge portion for an ear cover. The annular edge portion 23 is covered with an elastic sheet 24 having a hole through which the bone conduction microphone 3 and a contact member 6 described later pass. Then, the sound generated from the speaker body 20 is emitted to the front side through a hole 22a opened in the dustproof plate 22.

The bone conduction microphone 3 has a piezoelectric element 30,
A shield case 31 that covers the entire piezoelectric element 30, a microphone case 32 that covers and protects and holds the outside of the shield case 31, and a signal circuit board 33 that detects an electric signal generated in the piezoelectric element 30 and the like. Thus, it is attached to the center position of the dustproof plate 22. Therefore, the bone conduction microphone 3 is attached to the main body 1 via the annular member 4 as a vibration isolator. And the piezoelectric element 30
Is composed by connecting bimorph type piezoelectric elements in series,
The bone conduction sound signal from the piezoelectric element 30 is processed by the signal circuit board 33 and output.

The bone conduction microphone 3 is formed in a protruding shape to be inserted into the concha of the human ear, and has a contact member formed of soft rubber or the like and elastically deformable on the upper surface thereof. 6 is attached. Therefore, as shown in FIG. 6, when the bone conduction microphone 3 formed in a protruding shape is inserted into the concha cavum 60, the contact member 6 attached to the upper surface side of the bone conduction microphone 3 becomes It is elastically deformed and hits the upper part of the concha region 60, whereby the microphone case 32 of the bone conduction microphone 3 is formed.
Is pressed against the bottom of the concha cavity 60 and is in close contact with it, converting minute voice vibrations transmitted from the vocal cords into electrical signals.

FIG. 4 shows the structure of the end portion 1b not provided with the bone conduction microphone 3, which corresponds to the structure of FIG. 3 except for the bone conduction microphone 3, but is different from FIG. The KD is provided with a small vibration motor 35 that vibrates when a call is received from another telephone.
Note that an elastic sheet 24 is placed on the annular rim 23 for the ear covering of the end 1b.

On the outer surface of each of both ends 1a and 1b of the main body 1, there is provided an LED type light emitter 19 which flashes when a call is received from another telephone to the portable telephone KD. A communication antenna 18 is supported and provided at a location above the end 1a.
Is connected to the telephone-side communication antenna 17 mounted on the mobile telephone KD via the switching device 10 as described later.

The signal lines for the speaker 2, the bone conduction microphone 3, the light emitter 19, the vibration motor 35, and the communication antenna 18 provided in the headphones HH are as follows:
The connection plug 5 a bundled in the signal line cord 5 and provided at an end of the signal line cord 5 is connected to the headphone connection portion 27 provided in the switching device 10.

The signal line of the communication antenna 18 of the signal line cord 5 connected to the headphone connection portion 27 passes through the switching device 10 and is connected to the antenna connection portion 26.
And a connection plug 15a provided at the end of the signal line cord 15 connected to the communication antenna 17 of the mobile phone KD.

FIG. 7 shows a structure for connecting the signal line cord 15 to the communication antenna 17 of the mobile phone KD. A connector 15b provided at the end of the signal line cord 15 is connected to the communication antenna 17 of the mobile phone KD. It is sandwiched and fixed. That is, with the communication antenna 17 extended, the hole formed in the connection tool 15b is fitted into the rod of the communication antenna 17, and then the communication antenna 17 is contracted to form a hemispherical portion on the tip side of the communication antenna 17. The connection tool 15b is sandwiched and fixed at 17a.

As shown in FIG. 8, the switching device 10 includes a portable telephone KD connected to the telephone connection unit 28.
Signal from the headphone HH with bone conduction microphone
(Ie, a speaker 2) and a speech state in which a voice signal input by the bone conduction microphone 3 is output to the mobile phone KD, and a call from the MD player SK connected to the sound information connection unit 29. A switching circuit 9 as switching means for switching between a sound information listening state in which a sound information signal is output to the headphone HH with bone conduction microphone (that is, the speaker 2), and a switching control for switching the switching circuit 9 A circuit 9A is provided.

The switching device 10 includes a talk button 11 for switching to a talk state for talking with the portable telephone KD, and an LED-type incoming call which blinks when a call is received from another telephone to the portable telephone KD. Lamp 14
Are provided.

That is, when a transmission signal from another telephone is arriving at the portable telephone KD, the incoming call notifying means CH for notifying the incoming call is provided by the incoming light lamp 14 serving as a light emitting means for notifying the incoming call by light. And the light emitting device 19
And is provided in both the switching device 10 and the headphone HH with a bone conduction microphone, and the incoming call notifying means CH is made up of the vibrating body 35 as vibration generating means for notifying the incoming call by vibration. The headphone HH with a bone conduction microphone is provided.

Then, while the operation signal of the call button 11 is input to the switching control circuit 9A, the incoming call lamp 14 and the light emitting device 1 are transmitted from the switching control circuit 9A.
9. Each drive signal for the vibration motor 35 is output.

Therefore, when the call button 11 is pressed while the headphone HH with the bone conduction microphone is attached,
Since the switching control circuit 9A switches the switching circuit 9 to the talking state, it is possible to talk with the other party by the portable telephone KD, and when the talking button 11 is not pressed, the switching control circuit 9A switches the switching circuit 9 to the sound information listening state. , It is possible to enjoy listening to stereo music information and the like from the storage medium D such as an MD reproduced by the MD player SK, and furthermore, when the sound information is being listened to, the light of the incoming lamp 14 is emitted. It is known from the operation and the vibration of the vibration motor 35 that a call has been received from another telephone to the mobile telephone KD, and when the talk button 11 is pressed, the switching control circuit 9A switches the switching circuit 9 to the talking state. It is possible to talk with the other party using the mobile phone KD.

Next, automatic switching control of audio information by the switching control circuit 9A will be described with reference to a flowchart shown in FIG. In the switching control in this case, when a call is received from another telephone to the portable telephone KD, the telephone is switched to the telephone communication state by pressing the telephone call button 11, so that the manual telephone call mode is called.

First, when the control is started, the MD player SK is switched to a sound information listening state in which the MD player SK is connected to the headphone HH with the bone conduction microphone. In this sound information listening state, the call button 11 is pressed or the cellular phone KD The sound information listening state is maintained until a voice signal is input from (ie, a transmission signal from another telephone arrives). When the call button 11 is pressed in the sound information listening state, the state is switched to a call state in which the mobile phone KD is connected to the headphone HH with the bone conduction microphone.

In the state of listening to the sound information, the portable telephone K
When an audio signal is input from D, the incoming call lamp 1
4 and the light emitter 19 are turned on and off, and the vibration motor 35 is turned on. Then, when the talk button 11 is pressed, the portable telephone KD is switched to a talk state in which the portable telephone KD is connected to the headphone HH with the bone conduction microphone, and the respective operations of the incoming lamp 14, the light emitter 19, and the vibration motor 35 are stopped. . If the state where the voice signal is being input from the mobile phone KD (that is, the transmission signal is being received from another telephone) while switching to the above-mentioned call state continues, the call state is changed. If the voice signal is no longer input from the mobile phone KD,
The state is switched to the sound information listening state.

[Second Embodiment] Next, a second embodiment of the voice information switching device according to the present invention will be described. The second embodiment has the same configuration as that of the first embodiment except that the content of automatic switching control of audio information by the switching control circuit 9A is partially different from that of the first embodiment. That is,
In the switching control of the second embodiment, when a call is received from another telephone to the portable telephone KD, the portable telephone is automatically switched to a telephone call state, and is therefore called an automatic telephone call mode. Hereinafter, automatic switching control of audio information by the switching control circuit 9A will be described with reference to the flowchart shown in FIG.

First, when control is started, the MD player SK is switched to a sound information listening state in which the MD player SK is connected to the headphone HH with a bone conduction microphone. In this sound information listening state, the call button 11 is pressed or the cellular phone KD is connected. The sound information listening state is maintained until an audio signal is input from the device.
When the call button 11 is pressed in the sound information listening state, the state is switched to a call state in which the mobile phone KD is connected to the headphone HH with the bone conduction microphone.

In the state of listening to the sound information, the portable telephone K
When an audio signal is input from D, the incoming call lamp 1
4 and the light emitter 19 are turned on and off, and the vibration motor 35 is turned on. When the set time (about several seconds) elapses, a call signal is output and the mobile phone K
D is connected to the headphone HH with the bone conduction microphone, and the call is switched to the call state.
The operations of the light emitter 19 and the vibration motor 35 are stopped. If the state where the voice signal is being input from the mobile phone KD is continued while switching to the call state, the communication state is maintained, and if the voice signal is no longer input from the mobile phone KD, Switch to the sound information listening state.

[Third Embodiment] Next, a third embodiment of the audio information switching apparatus according to the present invention will be described. The third embodiment is configured in the same manner as the first and second embodiments, except that a speaker for human body equipped with a bone conduction microphone 3 is configured as an earphone ME with a bone conduction microphone. . Specifically, as shown in FIG. 11, the earphone ME with the bone conduction microphone is configured in a stereo type, and one of the left and right earphone parts ME1 and ME2 is connected to an upper part of the bone conduction microphone 3. It is arranged on the side and is configured integrally with the bone conduction microphone 3. The bone conduction microphone 3 is similar to the bone conduction microphone 3 provided in the headphone HH with the bone conduction microphone. Each earphone unit ME1, ME2 has a small dynamic speaker 4
0, a support member 41 for supporting the dynamic speaker 40, and a dustproof member 42 for preventing foreign matter and dust from entering on the front side of the dynamic speaker 40, and a connection plug 44 connected to the switching device 10; The audio signal input via the signal line code 43 is converted into a sound by the dynamic speaker 40, and the sound is emitted from a hole 42 a provided in the dustproof material 42.

[Alternative Embodiment] In the above-described first to third embodiments, the existing sound information generator SK is constituted by the MD player for reproducing the sound information recorded on the MD. An information reproducing device such as a CD player or a cassette player may be used, or a radio receiver that receives radio waves such as FM and AM may be used.

The control contents when switching the switching means 9 between the talking state and the sound information listening state are not limited to the contents described in the first to third embodiments, and may be changed as appropriate. Can be.

In the above embodiment, the incoming lamp 14 and the light emitting device 19 are used as the light emitting means constituting the incoming notification means CH.
Is provided in both the main body (switching device 10) and the speaker for wearing on the human body (headphone HH with bone conduction microphone). For example, the main body (switching device 10) and the speaker for wearing on human body (headphone with bone conduction microphone) HH). Further, in the above-described embodiment, the vibration motor 35 as the vibration generating means constituting the incoming call notifying means CH is provided in the speaker for wearing on the human body (the headphone HH with the bone conduction microphone).
0).

In the above-mentioned embodiment, a speaker for wearing on a human body (a headphone H with a bone conduction microphone) is used as the light emitting means.
When the light emitting device 19 provided in H) is switched to the call state by pressing the call button 11, the blinking operation is stopped. However, even if the switch to the call state is performed by pressing the call button 11, a call with another telephone is made. When it is on, a blinking operation may be continuously performed so that the surrounding people can recognize that the call is in progress.

In the above embodiment, the speaker for wearing on the human body (headphone HH with bone conduction microphone or earphone ME with bone conduction microphone) is connected to the main body (switching device 10) by the signal line code 5 or 23. Although it is configured to be connected in a wired manner, for example, an infrared communication device is provided in the main body and the speaker for human body, and the speaker for human body and the main body are connected via the infrared communication means. The unit may be connected wirelessly.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a connection form between a voice information switching device and each device.

FIG. 2 is a perspective view showing the entire headphone with a bone conduction microphone.

FIG. 3 is a front view and a sectional view showing a main part of a headphone with a bone conduction microphone.

FIG. 4 is a sectional view showing a main part of a headphone with a bone conduction microphone.

FIG. 5 is a side view showing a state in which headphones with a bone conduction microphone are worn.

FIG. 6 is a cross-sectional view showing a state in which the bone conduction microphone is inserted into an ear.

FIG. 7 is a perspective view showing a connection form of a communication antenna to a mobile phone.

FIG. 8 is a control block diagram showing a connection mode between the audio information switching device and each device.

FIG. 9 is a control flow chart according to the first embodiment.

FIG. 10 is a control flow chart according to the second embodiment.

FIG. 11 is a sectional view showing an earphone with a bone conduction microphone according to the third embodiment.

[Explanation of symbols]

 Reference Signs List 3 bone conduction microphone 9 switching means 10 main body part 14, 19 light emitting means 17 telephone-side communication antenna 18 communication antenna 28 telephone connection part 29 sound information connection part 35 vibration generation means CH incoming notification means HH speaker for human body ME human body Speaker for mounting HH Headphones with bone conduction microphone KD Mobile phone SK Sound information generator

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (Reference) H04R 1/00327 H04R 1/00 327A (72) Inventor Hiroki Tokura 1-chome, Shikitsuhigashi 2-chome, Namiwa-ku, Osaka-shi, Osaka No. 47 Kubota Co., Ltd. (72) Inventor ▲ Matsu ▼ Munehiro Ta 2-47 Shishitsu Higashi 1-chome, Naniwa-ku, Osaka-shi, Osaka F term (reference) 5D005 BA13 BA14 BB01 BB06 BB08 BB09 BB17 5D017 BA01 5K023 AA07 BB11 NN00 5K027 AA11 BB01 KK00

Claims (6)

[Claims] 1. A main body to which a body-worn speaker having a bone conduction microphone is connected is provided with a telephone connection for connecting a mobile phone and a sound information connection for connecting a sound information generator. A call state in which an audio signal from the mobile phone connected to the telephone connection unit is output to the body-mounted speaker and an audio signal input by the bone conduction microphone is output to the mobile phone; Switching means for switching between a sound information signal from the sound information generator connected to the sound information connection unit and a sound information listening state for outputting the sound information signal to the body-worn speaker; Information switching device. 2. The audio information switching device according to claim 1, wherein the speaker mounted on the human body is configured as a headphone with a bone conduction microphone. 3. An incoming call notifying means for notifying an incoming call when a transmission signal from another telephone is arriving at the portable telephone, is provided in the main body or the body-worn speaker. 3. The voice information switching device according to 1 or 2. 4. The voice information switching device according to claim 3, wherein said incoming call notifying means comprises light emitting means for notifying said incoming call by light. 5. The voice information switching device according to claim 3, wherein said incoming call notifying means comprises vibration generating means for notifying said incoming call by vibration. 6. The voice information according to claim 1, wherein a communication antenna provided on the speaker mounted on the human body is connected to a telephone-side communication antenna provided on the mobile phone. Switching device.