JPH0591583A - Earphone - Google Patents

Abstract

PURPOSE:To make communication avilable as a telephone set even when a portable device is put in a bag or a pocket by providing either one of a pair of right and left earphone speakers with a sending bone-conductive microphone. CONSTITUTION:This earphone is constituted of a connecting plug 13 and a pair of right and left speaker parts 11a, 11b and the speaker parts 11a, 11b are connected to the plug 13 through a cord 14. One speaker part 11a is provided with the bone-conductive microphone 12 to be used as a sending part when the earphone is connected to the portable device unitedly constituted of a portable acoustic apparatus and a portable telephone set. The bone- conductive microphone 12 is a microphone for entering a human's pronounced voice transmitted through bones as an input sound. Thereby even when the portable device 1 is put in a bag or a pocket, communication can be attained, and since it is unnecessary to speak in a loud voice and peripheral sound is not picked up, a confortable call can be attained even on a noisy place.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an earphone for listening to voice and music by connecting to a portable device in which a portable acoustic device such as a walkie or stereo headphone cassette player and a portable telephone are integrated.

[0002]

2. Description of the Related Art In recent years, mobile phones have been put into practical use as mobile communication systems are being developed. In addition, there are an increasing number of office workers who enjoy music with small audio devices (cassettes, CD players, etc.) represented by walkie or stereo headphone cassette players during commuting trains and business trips. Therefore, a device in which a cassette player and a mobile phone are integrated (hereinafter referred to as a mobile device)
Are provided by the present inventors.

FIG. 3 is a diagram schematically showing such a portable device. As shown in the figure, the front panel of the mobile device 1 is provided with a dial button 3 as a mobile phone, a display panel 4, and a microphone 5 for transmission.

Further, an operation button 7 as a cassette player is provided on the side surface, and a switch 6 for switching between the cassette player and the portable telephone is provided on the upper end surface. Furthermore,
A battery 8 for power supply is attached to the back surface.

Then, the earphones 2 are connected to the portable device 1 as described above, and the voice and music when operating as a cassette player and the received sound when operating as a portable telephone are heard.

[0006]

However, in the portable device 1 in which such a cassette player and a portable telephone are integrated, since the microphone 5 is used for transmission, the portable device 1 must be held when making a call. It is not easy to use. In addition, when the mobile device 1 is used to make a call as a telephone in the city or in the crowd, the microphone picks up ambient noise, so that there is a drawback that a comfortable call cannot be made.

The present invention has been made to solve such conventional problems, and an object of the present invention is to provide an earphone which improves the operability of a portable device and enables a comfortable call. Especially.

[0008]

In order to achieve the above object, the present invention provides a mobile phone having a plug for connection and a pair of left and right earphone speakers, in which the number of mobile phones and a mobile audio device are integrated. In the earphone connected to the device and listening to the voice, the one earphone speaker is provided with a bone conduction microphone for transmitting.

[0009]

With the above arrangement, the bone conduction microphone as the transmitting microphone is installed in one of the pair of left and right earphone speakers. Therefore, the bone conduction microphone and the other earphone speaker can transmit and receive, and the portable device can be used while being stored in the bag or pocket. Further, since the bone conduction microphone is used, comfortable noise can be transmitted without picking up ambient noise.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram showing an embodiment of an earphone to which the present invention is applied. As shown, this earphone includes a plug 13 for connection and a pair of left and right speaker units 11a and 11b.
The speaker unit 11a, 11b and the plug 1
A cord 14 is connected to the No. 3 unit.

Further, as will be described later, the one speaker section 11a is used as a transmitter section when the earphone is connected to a portable device in which a portable acoustic device and a portable telephone are integrated. A bone conduction microphone 12 is provided.

The bone conduction microphone 12 takes in a human generated sound transmitted through the skeleton as an input sound.

FIG. 2 is a block diagram showing a structure when the earphone shown in FIG. 1 is connected to a portable device in which a cassette player and a portable telephone are integrated. As shown in the figure, the portable device 1 includes a telephone unit 21, a cassette player unit 22, a switch 24, and a volume adjusting unit 25, and is operated by being supplied with power from a power supply unit 26. ..

Further, the portable device 1 has signal lines S11, S
The speaker unit 11a of the earphone 28 is connected via 12 and the speaker unit 11b is connected via the signal line S10.

The speaker unit 11a includes the earphone speaker 2
7a and the bone conduction microphone 12, and the speaker unit 11
b has an earphone speaker 27b.

The switch 24 is an earphone speaker 27a.
The output of the audio signal to and the input of the transmission sound from the bone conduction microphone 12 are selectively switched and operate under the control of the control unit 23.

The volume adjusting unit 25 includes an earphone speaker 27.
It adjusts the volume of the audio signal output to b, and also operates under the control of the control unit 23.

Next, the operation of this embodiment will be described.
When the cassette player section 22 is being reproduced, one of the stereo audio signals output from the cassette player section 22 is supplied to the switch 24 via the signal line S8, and the other is output through the signal line S9. It is supplied to the adjusting unit 25. At this time, the control unit 23 sets the contact point of the switch 24 to the earphone speaker 27a side and does not control the volume adjusting unit 25. Therefore, the audio signal output from the cassette player unit 22 is output from the earphone speakers 27a and 27b. It As a result, the voice and music from the cassette player unit 22 can be enjoyed.

When the telephone section 21 receives an incoming call, the telephone 2
1 notifies the control unit 23 of the arrival of the call via the signal line S1. Under the control of the control unit 23, the volume adjusting unit 25 lowers the volume of the audio signal from the cassette player unit 22 given via the signal line S9 to 50%, and the signal line S4.
The ring tone signal given from the telephone unit 21 via the voice signal is superimposed on the voice signal and output to the earphone speaker 27b. This allows the user to recognize the incoming call.

Next, the user operates the cassette player section 22.
Stop and switch to the operation of the telephone 1, switch 2
The contact No. 4 is switched from the signal line S11 side to the signal line S12 side. As a result, the voice signal input from the bone conduction microphone 12 is supplied to the telephone unit 21 via the signal lines S12 and S3.

In the volume adjusting section 25, the input on the signal line S9 side is 0% and the input on the signal line S4 is 100%. As a result, the reception sound of the telephone unit 21 is transmitted to the signal line S4.
It is supplied to the earphone speaker 27b via S10.
As a result, the bone conduction microphone 12 and the earphone speaker 27b
It becomes possible to make a telephone call by using and.

If the BGM can be legally played on the telephone line, the reproduced sound of the cassette player unit 22 can be played during the call.

When the cassette player section 22 is turned off, the switch 24 operates the signal lines S3 and S1.
1 and the sound volume adjusting unit 25 sets the audio signal from the signal line S4 to 100%.

When an incoming call arrives, a ringing tone is output from the telephone section 21 through the signal lines S4 and S10 to the earphone speaker 2
7b, and also to the earphone speaker 27a via the signal lines S3 and S11.

As a result, the user can recognize the incoming call, and when the call is started, the switch 24 causes the signal line S1.
Since the switch is made from the 1 side to the S 12 side, the transmission sound captured by the bone conduction microphone 12 is supplied to the telephone section 21. And
You can talk.

When recording a call from the telephone unit 21 to the other party's telephone, the transmission sound supplied to the telephone unit 21 via the signal lines S12 and S3 and the received voice received by the telephone unit 21. Sound may be supplied to the cassette player unit 22 via the signal line S5.

In this way, the earphone 28 of this embodiment is
Then, a bone conduction microphone is provided in one of the pair of left and right speaker units 11a and 11b, and the transmission sound is input by this. Therefore, it is possible to make a call even when the portable device 1 is stored in a bag or a pocket.

The bone conduction microphone 1 is used as a transmission microphone.
I'm using 2, so I don't have to speak out loud,
In addition, since it does not pick up ambient sounds, it makes it possible to make comfortable calls without picking up noise even in a noisy place.

Further, since the microphone part is located at the ear position, anyone can use it regardless of the size of the face.

[0030]

As described above, in the earphone of the present invention, one of the pair of left and right earphone speakers is provided with the bone conduction microphone for transmission. Therefore, if this earphone is connected to a mobile device in which a portable audio device and a mobile phone are integrated, it becomes possible to talk as a phone with the mobile device kept in a bag or pocket. This significantly improves the operability.

Further, since the bone conduction microphone is used as the transmission microphone, it is possible to obtain the effect that comfortable noise can be obtained without picking up ambient noise.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of an earphone to which the present invention is applied.

FIG. 2 is a block diagram showing a configuration when the earphone of the present embodiment is connected to a mobile device in which a cassette player and a mobile phone are integrated.

FIG. 3 is a diagram schematically showing a mobile device in which a cassette player and a mobile phone are integrated.

[Explanation of symbols]

 11a, 11b Speaker part 12 Bone conduction microphone 13 Plug 21 Telephone part 22 Cassette player part 23 Control part 24 Switch 25 Volume adjustment part 28 Earphone

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Shizuharu Namba 1-1-1, Shibaura, Minato-ku, Tokyo Inside Toshiba Head Office

Claims (1)

[Claims] 1. An earphone that has a plug for connection and a pair of left and right earphone speakers and that listens to a voice by connecting to a mobile device in which the number of mobile phones and a mobile audio device are integrated. An earphone characterized in that a speaker is provided with a bone conduction microphone for transmission.