JP2007259276A - Wireless communication telephone conversation unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wireless communication telephone conversation unit which is capable of exchanging sound signals with a mobile telephone by radio, also receiving the audio signals of portable acoustic equipment, reducing a headphone in weight, and making a microphone hardly obstructive. <P>SOLUTION: The wireless communication telephone conversation unit 1 is mainly composed of a case 2 in which a short-range radio device 3 and a microphone 4 are built, a ring-shaped strap 5 connected to the case 2, and a headphone 6 that is set detachable from the strap 5. A jack 7 for the headphone 6 is provided to the strap 5, and a switching device 8 for the portable acoustic equipment 20 is built in the strap 5. The short-range radio device 3 is capable of alternatively receiving audio signals sent from the external portable acoustic equipment 20 and sound signals sent from the external portable telephone 30 and outputting them to the headphone 6 and transmitting sound signals inputted through the microphone 4 to the portable telephone 30. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a wireless communication call unit that can transmit and receive audio signals to and from a mobile phone by short-range radio and can receive audio signals from a mobile acoustic device.

  In recent years, headsets that can transmit and receive audio signals to and from mobile phones using near-field wireless technology such as Bluetooth (trademark) have been put into practical use so that calls can be made without holding the mobile phone by hand. ing. This type of headset has a headphone with a built-in antenna and transmission / reception circuit and a microphone connected to the headphone. When the user puts the headphone on the head, the microphone is placed at the mouth. (For example, refer to Patent Document 1).

In addition, wireless headphones that use the short-range wireless technology to receive audio signals transmitted from portable audio equipment and listen to music have also been known. A transceiver circuit is built-in.
Japanese Patent Laying-Open No. 2003-47066 (page 4-8, FIG. 1)

  By the way, if it is possible to receive the audio signal of the mobile audio device with the above-mentioned mobile phone headset, the mobile phone and the mobile audio device can be wirelessly connected while the mobile phone and the mobile audio device are in the pocket of the clothes or bag. It is expected that the convenience will be greatly improved because the user can make a call and listen to the desired music. However, since it is difficult to reduce the weight of headphones with built-in antennas and transmission / reception circuits, there is a problem that users are likely to feel fatigue and annoyance when wearing such headphones on their heads for a long time. In addition, since the microphone extending from the headphones is arranged so as to always cover the mouth, there is a problem that the microphone is obstructive and does not look good when the mobile phone is not used.

  The present invention has been made in view of the situation of the prior art as described above, and an object of the present invention is to be able to transmit / receive audio signals to / from a mobile phone, receive audio signals from a portable audio device, and reduce the weight of headphones. An object of the present invention is to provide a wireless communication call unit in which a microphone does not get in the way.

  In order to achieve the above object, in the wireless communication call unit of the present invention, a short-range wireless device having an antenna and a transmission / reception circuit, a microphone connected to the short-range wireless device, and these short-range wireless device and microphone are incorporated. A housing having a ring portion coupled to the housing, and a headphone connected to the strap or the housing connected to the short-range wireless device, the short-range wireless device comprising: An audio signal transmitted from an external portable audio device and an audio signal transmitted from an external mobile phone can be selectively received and output to the headphones, and the audio signal input via the microphone Can be transmitted to the mobile phone.

  The wireless communication call unit configured in this way can selectively receive an audio signal transmitted from a portable audio device and an audio signal transmitted from a mobile phone and listen to it through headphones. If there is an incoming call to the mobile phone while listening to the music receiving the signal, the mobile phone can automatically switch to a call mode that receives only the audio signal from the mobile phone, and via a microphone built into the housing. Thus, an audio signal can be transmitted from the user side to the mobile phone. Therefore, the user can not only listen to the desired music wirelessly while putting the portable audio device and the mobile phone in the pocket or bag of clothes, but also can make a call through the mobile phone without any trouble. The sex can be greatly improved. In addition, since this wireless communication call unit incorporates an antenna and a transmission / reception circuit in a short-range wireless device built in the housing, the headphone can be reduced in weight, and the annular portion of the strap can be connected to the user's neck and shoulders. Since the case can be easily hung from the top, the user is less likely to feel tired and annoyed even when worn for a long time. Further, since the microphone is built in the housing, it does not get in the way and the appearance is not impaired. Moreover, since the distance between the mouth and the microphone can be arbitrarily adjusted by gripping the casing during a call, various uses depending on the surrounding environment and the like are possible.

  In the above configuration, if the headphones can be attached to and detached from the strap or the housing, the user can use the favorite headphones, so that convenience is further improved. In particular, if the headphones can be attached to and detached from the strap instead of the casing, that is, if the strap is provided with a jack portion for electrically and mechanically connecting the headphones, it is relatively close to the user's ear. Since the jack portion can be arranged at a close location, the length of the headphone cable can be shortened, and the handleability is improved, which is preferable. In this case, the strap is provided with a switch device that outputs a control signal for operating an external portable audio device to the short-range wireless device, and the control signal can be transmitted from the short-range wireless device to the portable audio device. If it exists, it is preferable because operability at the time of listening to music is greatly improved.

  The wireless communication call unit of the present invention can selectively receive an audio signal transmitted from a portable acoustic device and an audio signal transmitted from a mobile phone and listen to it through headphones. Not only can the desired music be listened to wirelessly while the portable audio device and the mobile phone are inserted in the middle, but a call via the mobile phone can be performed without any trouble, and the convenience can be greatly improved. In addition, since this wireless communication call unit incorporates an antenna and a transmission / reception circuit in a short-range wireless device built in the housing, the headphone can be reduced in weight, and the annular portion of the strap can be connected to the user's neck and shoulders. Since the case can be easily hung from the top, the user is less likely to feel tired and annoyed even when worn for a long time. Further, since the microphone is built in the housing, it does not get in the way and the appearance is not impaired. Moreover, since the distance between the mouth and the microphone can be arbitrarily adjusted by gripping the casing during a call, various uses depending on the surrounding environment and the like are possible.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, an embodiment of the present invention will be described. FIG. 1 is an explanatory diagram showing a use state of a radio communication call unit according to an embodiment of the present invention, and FIG. FIG. 3 is a perspective view of the casing of the wireless communication call unit as seen from a direction different from that of FIG. 2, and FIG. 4 is a block diagram showing a circuit configuration of a short-range wireless device built in the casing. It is.

  A wireless communication call unit 1 shown in these drawings includes a housing 2 in which a short-range wireless device 3 and a microphone 4 are built, an annular strap 5 connected to the housing 2, and a removable strap 5. Mainly composed of headphones 6. However, the strap 5 is provided with a jack portion 7 for attaching and detaching the connection terminal of the headphones 6 and has a thin switch device 8 built in. The jack portion 7 and the switch device 8 are connected to the short-range wireless device. 3 is electrically connected. The wireless communication call unit 1 can transmit / receive to / from the mobile audio device 20 and the mobile phone 30 that are arranged in the vicinity using a short-range wireless technology such as Bluetooth (trademark), and is transmitted from the mobile audio device 20. Audio signals can be received and music can be listened to wirelessly, and when the mobile phone 30 receives an incoming call, a call can be made to the other party's phone.

  The configuration of the wireless communication call unit 1 will be described in detail. As shown in FIGS. 2 and 3, on the outer surface of the housing 2, a power switch operation unit 9 and a plurality of operating states are displayed by LEDs. The state display units 10 and 11 and the operation units 12 and 13 of a push switch (not shown) for operating the portable audio device 20 are exposed, and the lower part of the front surface of the housing 2 is the transmission hole of the microphone 4. It has become. The status display units 10 and 11 display the on / off state of the power supply, display the charging status, and display that transmission / reception with the mobile audio device 20 and the mobile phone 30 is being performed. Is for making it possible to visually recognize the operating state. The operation units 12 and 13 are for causing the portable audio device 20 to start, stop, or stop the operation.

  As shown in FIG. 4, the short-range wireless device 3 built in the housing 2 includes an electronic circuit unit 14 including a transmission / reception circuit 15, an antenna 16 and a converter 17 connected to the transmission / reception circuit 15, and a power source. The electronic circuit unit 14 is provided with the power switch, the LED, the push switch, and the like. The electronic circuit unit 14 is connected to a switch device 8 built in the strap 5. The transmission / reception circuit 15 selectively receives the audio signal transmitted from the mobile audio device 20 and the audio signal transmitted from the mobile phone 30, outputs the selected signal to the converter 17, and converts the converter 17. The audio signal and the control signal input from the above are output to the antenna 16. The converter 17 performs code processing and decoding processing, and is controlled by the transmission / reception circuit 15. A microphone 4 and a jack section 7 for headphones 6 are connected to the converter 17. Therefore, the audio signal transmitted from the mobile audio device 20 and the audio signal transmitted from the mobile phone 30 can be listened to by the headphones 6, and the audio signal input via the microphone 4 can be heard from the mobile phone 30. Can be sent.

  The ring-shaped strap 5 has a length that can be hung on the user's neck or shoulder. However, the strap 5 can be slightly adjusted in consideration of differences in the user's physique and freedom of use. It is. As shown in FIG. 1, when the casing 2 is suspended like a pendant when the user hangs the strap 5 on the neck, the casing 2 is easy to operate and does not look bad. Since the housing 2 can be stored in a pocket or the like, the length of the strap 5 is preferably set so that the suspension position of the housing 2 is near the chest of the user. The thin switch device 8 built in the lower portion of the strap 5 is for performing fast forward, fast reverse, volume adjustment, etc. of the portable audio device 20. When the switch device 8 is operated, a control signal is sent to the transmission / reception circuit 15. It is output and transmitted from the antenna 16 to the portable audio device 20. The switch device 8 can be easily provided in the strap 5 by, for example, providing a contact portion facing the upper and lower flexible sheets stacked with the spacer layer interposed therebetween so as to be able to contact and separate. It is easy to secure waterproofness by incorporating it. However, the switch device 8 may be configured to operate in accordance with a change in resistance value or a change in capacitance. The strap 5 is provided with a jack portion 7 for electrically and mechanically connecting the headphones 6.

  Next, the operation of the radio communication call unit 1 configured as described above will be described. As shown in FIG. 1, a user wearing this wireless communication telephone unit 1 puts and holds a portable audio device 20 having a short-range wireless communication function and a mobile phone 30 in a pocket or bag of clothes. deep. Then, by operating the operation unit 9 exposed on the outer surface of the housing 2 to turn on the power switch, transmission / reception between the transmission / reception circuit 15 and the portable audio device 20 becomes possible. 6 can be heard. At this time, when the operation units 12 and 13 located in the housing 2 and the switch device 8 located in the strap 5 are appropriately operated, various control signals are output to the transmission / reception circuit 15 and transmitted from the antenna 16 to the portable audio device 20. Therefore, it is possible to cause the portable audio device 20 to start, stop, stop, fast forward, fast reverse, adjust the volume and the like of the operation (performance).

  Further, when the user receives an audio signal from the portable audio device 20 and listens to music through the headphones 6, if the mobile phone 30 receives an incoming call, the transmission / reception circuit 15 performs transmission / reception with the mobile phone 30. Since the transmission / reception to / from the portable audio device 20 is interrupted, the headphones 6 can receive voice from the other party's phone via the mobile phone 30. In this state, when the user transmits to the other party's phone, the microphone 2 can be placed at the mouth by holding the casing 2 suspended from the chest, and the sound detected by the microphone 4 is converted. After being converted into an audio signal by the device 17, it is output to the transmission / reception circuit 15 and transmitted from the antenna 16 to the mobile phone 30. As a result, the user can make a call with the destination telephone without any trouble. When the call ends and transmission from the destination telephone is interrupted, the transmission / reception circuit 15 resumes transmission / reception with the portable audio device 20, so that the music based on the audio signal from the portable audio device 20 is listened to with the headphones 6 again. become able to.

  As described above, the wireless communication call unit 1 according to the present embodiment can selectively receive the audio signal transmitted from the mobile acoustic device 20 and the audio signal transmitted from the mobile phone 30 and listen to it through the headphones 6. Since various control signals are transmitted from the antenna 16 when the switch device 8 and the operation units 12 and 13 are operated when listening to music receiving the audio signal of the portable acoustic device 20, the operation of the portable acoustic device 20 is performed. Control can also be performed wirelessly. Further, when there is an incoming call to the mobile phone 30 when listening to music, the mode automatically switches to a call mode in which only the audio signal from the mobile phone 30 is received, and from the user side via the microphone 4 built in the housing 2. Since an audio signal can also be transmitted to the mobile phone 30, the user can smoothly perform a call with the other party's phone without performing a special operation. Therefore, the user can not only listen to desired music wirelessly while putting the portable audio device 20 and the mobile phone 30 in a pocket or bag of clothes, but can also make a call through the mobile phone 30 without any trouble. As a result, convenience is dramatically improved.

  In addition, the wireless communication call unit 1 includes the antenna 16 and the transmission / reception circuit 15 incorporated in the short-range wireless device 3 built in the housing 2, so that the headphones 6 can be reduced in weight and the annular strap 5 can be attached. Since the housing 2 can be easily hung on the user's neck or shoulder, the user is less likely to feel tired or bothered even when worn for a long time. Further, since the microphone 4 is built in the housing 2, it does not get in the way and the appearance is not impaired. Moreover, since the distance between the mouth and the microphone 4 can be arbitrarily adjusted by grasping the housing 2 during a call, for example, the microphone 4 is moved to the mouth of a person beside the user to pick up a voice or in a noisy environment. Then, the microphone 4 can be used in various ways according to the surrounding environment, such as by covering the microphone 4 with a hand and bringing it close to the mouth.

  In addition, since the wireless communication call unit 1 can attach / detach the connection terminal of the headphone 6 to / from the jack portion 7 attached to the strap 5, the user can use his / her favorite headphone 6. Convenience is increasing. Note that the jack portion 7 may be positioned on the outer surface of the housing 2 so that the headphones 6 can be attached to and detached from the housing 2 instead of the strap 5. It is preferable that 7 is attached to the strap 5 at a location relatively close to the user's ear because the cable length of the headphone 6 can be shortened and the handleability is improved. In addition, it is preferable that the operation of the portable audio device 20 can be controlled by the switch device 8 built in the strap 5 as in the present embodiment example, since the operability during listening to music is greatly improved.

It is explanatory drawing which shows the use condition of the radio | wireless communication call unit which concerns on the example of embodiment of this invention. FIG. 3 is a perspective view showing the wireless communication call unit with headphones removed. FIG. 3 is a perspective view of the casing of the wireless communication call unit as seen from a direction different from that in FIG. 2. It is a block diagram which shows the circuit structure of the short distance radio | wireless apparatus incorporated in this housing | casing.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wireless communication call unit 2 Housing | casing 3 Short-range radio | wireless apparatus 4 Microphone 5 Strap 6 Headphone 7 Jack part 8 Switch apparatus 9, 12, 13 Operation part 14 Electronic circuit part 15 Transmission / reception circuit 16 Antenna 17 Converter 20 Portable audio equipment 30 Carrying phone

Claims (3)

A short-range wireless device having an antenna and a transmission / reception circuit, a microphone connected to the short-range wireless device, a housing containing the short-range wireless device and the microphone, and a strap having an annular portion coupled to the housing And a headphone connected to the short-range wireless device and coupled to the strap or the housing,
The short-range wireless device can selectively receive an audio signal transmitted from an external mobile audio device and an audio signal transmitted from an external mobile phone and output the audio signal to the headphones. A radio communication call unit characterized in that an audio signal input via the radio can be transmitted to the mobile phone.   2. The wireless communication according to claim 1, wherein the headphones are detachable from the strap, and a jack portion for electrically and mechanically connecting the headphones to the strap is provided. Call unit. 3. The switch device according to claim 2, wherein a switch device that outputs a control signal for operating the portable acoustic device to the short-range wireless device is provided on the strap, and the control signal is transmitted from the short-range wireless device to the portable device. A wireless communication call unit capable of transmitting to an audio device.

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