JP2005318288A - Mobile phone - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a new mobile phone to which a headset function is added.
SOLUTION: An operation unit 3 on which operation buttons 2 are arranged and a display body unit 5 provided with a liquid crystal display screen 4 are provided. The operation unit 3 and the display unit 5 are foldable at a connection part. Is a mobile phone. The operation unit 3 and the display unit 5 can be separated at the connection portion. The operation unit 3 or the display unit 5 can be mounted as a headset in a separated state. For example, when the operation unit 3 is mounted and used as a headset, the operation unit 3 includes a speaker 9, a microphone 10, and an ear hook unit 11. In the separated state, a signal is transmitted between the operation unit 3 and the display unit 5 by wireless communication. The wireless standard used for wireless communication is Bluetooth.
[Selection] Figure 2

Description

  The present invention relates to a foldable mobile phone, and more particularly to a novel mobile phone in which a display unit and an operation unit can be separated and the operation unit (or display unit) can be mounted as a so-called headset. .

  The spread of mobile phones is remarkable, and more functions are added and models with various designs are developed on a daily basis. Along with this, the form of mobile phones has also changed in various ways. At present, folding mobile phones have been developed for the purpose of mounting a large LCD screen and preventing erroneous operation of push buttons. It is becoming.

  This foldable mobile phone is composed of an operation unit on which operation buttons such as number keys and various input keys are arranged, and a display unit provided with a large liquid crystal screen, which can be folded via a connection unit. Has been. In the folded state, the operation unit on which the operation buttons are arranged is covered with the display unit, and the malfunction of the operation buttons is prevented. Further, even when the overall shape is expanded, it can be carried compactly in the folded state, which is advantageous in terms of increasing the screen size.

By the way, for the purpose of further improving the usability of the mobile phone, for example, it is desired to realize a hands-free type mobile phone equipped with a so-called headset, and in order to realize this, a wireless device for a mobile phone is proposed. (See, for example, Patent Document 1). The wireless device for a mobile phone described in Patent Document 1 is a hands-free second transmission / reception device that transmits and receives an audio signal using radio waves between a first transmission / reception device attached to the back surface of the mobile phone and the first transmission / reception device. It is composed of a device (headset), and by mounting it, even a normal mobile phone can be made hands-free using wireless communication. If the mobile phone is equipped with a headset, it can be used as a normal mobile phone or as a headset depending on the user's TPO, situation, and the like.
JP 2002-118635 A

  By the way, in the case of the wireless device for a mobile phone described in Patent Document 1, the mobile phone and the headset are completely separated, and the user purchases the mobile phone device separately from the mobile phone, It is designed to be used by attaching it to a mobile phone. For this reason, a complicated mounting operation is required for use, and there is a possibility that portability, design, etc., which are the maximum convenience of the mobile phone, may be impaired.

  The present invention has been proposed in view of such conventional situations. That is, the present invention aims to provide a new mobile phone in which a headset function is added to the mobile phone itself, and does not require a complicated mounting operation, and can be used as a headset as it is, and portability and design are impaired. An object of the present invention is to provide a mobile phone that can never be used.

In order to achieve the above object, a mobile phone according to the present invention has an operation unit in which operation buttons are arranged and a display body unit provided with a liquid crystal display screen, and the operation unit and the display unit are connected to each other. In a mobile phone that is foldable at a part, the operation unit and the display can be separated at the connection part, and the operation part or the display part can be worn as a headset in a separated state. Features.

  In the mobile phone of the present invention, the mobile phone and the headset are not completely separated, but the function of the headset is added as a function of the mobile phone. Specifically, an operation unit in which operation buttons are arranged or a display unit provided with a liquid crystal display screen includes, for example, a speaker, a microphone, and an ear hook, and can be used as a headset as it is by separating them. is there. Therefore, unlike the configuration in which a wireless device is separately added to the mobile phone, the wireless device is not required to be attached. In addition, since it is not necessary to attach anything to the mobile phone, the portability of the mobile phone is not impaired, and the appearance (design) of the mobile phone is not impaired.

  ADVANTAGE OF THE INVENTION According to this invention, the novel mobile telephone which added the function of the headset to the function of the conventional mobile telephone can be provided. That is, according to the mobile phone of the present invention, it becomes possible to use the mobile phone as a normal mobile phone and the headset as appropriate depending on the user's TPO, situation, etc., and greatly improve the usability of the mobile phone. It is possible. In addition, in the mobile phone of the present invention, it is not necessary to add a wireless device or the like separately, and it is possible to provide a mobile phone that is excellent in portability and design while being usable as a headset. .

  Hereinafter, a mobile phone to which the present invention is applied will be described in detail with reference to the drawings.

  The mobile phone 1 according to the present embodiment is a so-called foldable mobile phone as shown in FIG. That is, the mobile phone 1 includes an operation unit 3 on which operation buttons 2 such as number keys and various operation keys are arranged, and a display unit 5 on which a liquid crystal display screen 4 is provided.

  The operation unit 3 and the display unit 5 are connected to each other via a hinge unit 6 that can be freely opened and closed when used as a normal mobile phone. Expand it to check key operations and display, use it as a telephone, or send and receive mail. Here, the operation unit 3 is provided with a microphone 7, and the display unit 5 is provided with a speaker 8. At the time of a call, the speaker 8 of the display unit 5 is pressed against the ear and directed toward the microphone 7 of the operation unit 3. Try to speak. On the other hand, when not in use, the operation unit 3 and the display unit 5 can be folded and folded and folded and carried compactly.

  The above configuration is the same as that of a normal mobile phone, but the mobile phone of the present invention has a function as a headset in addition to the function as the mobile phone. Hereinafter, the configuration of the headset will be described.

  As described above, the mobile phone 1 according to the present embodiment is configured such that the operation unit 3 and the display unit 5 are foldable via the hinge unit 6, but the operation unit 3 and the display unit 5 are further configured. Can be divided as shown in FIG. In order to make the operation unit 3 and the display unit 5 foldable and separable as described above, a special hinge having both functions is used for the hinge unit 6, or the hinge unit 6 and May be provided with a separation mechanism for separating the operation unit 3 and the display unit 5 in another part.

  In the present embodiment, of the divided operation unit 3 and display unit 5, the operation unit 3 can be used as a headset. Therefore, as shown in FIG. 3, a sound is heard on the back side of the operation unit 3. A speaker 9 is provided, and a microphone 10 is provided at one end. In addition, about the microphone 10, the microphone 7 with which the operation part 3 is provided is diverted, and it is not necessary to provide separately.

  In addition, the operation unit 3 is provided with an ear hook 11 that matches the shape of the ear, and the operation unit 3 can be used as a headset by hooking it on the ear. The ear hook 11 is formed of, for example, a rubber-based material, plastic, or the like. When not in use, the ear hook 11 is accommodated in the operation unit 3 or a recess is formed along the circumferential surface of the operation unit 3 and is wound around this. It is preferable not to get in the way when used as a normal mobile phone, such as being housed in a shape.

  By configuring the operation unit 3 as described above, the user can use the operation unit 3 as a headset. That is, the operation unit 3 and the display unit 5 are divided according to the user's TPO, the situation, and the like, the ear hook 11 provided in the operation unit 3 is pulled out, and the operation unit 3 is put on the ear. As a result, the speaker 9 provided in the operation unit 3 is in contact with the ear, and the voice can be heard. In addition, the voice can be transmitted to the other party by collecting the voice uttered by the user by the microphone 10 (or the microphone 7) provided in the operation unit 3. Therefore, the operation unit 3 alone can perform a conversation like a normal mobile phone.

  In this case, if all functions of the mobile phone, that is, transmission and reception of audio signals are performed by a circuit built in the operation unit 3, particularly when the operation unit 3 and the display unit 5 are used in a separated state. There is no need to exchange signals between them, and the operation unit 3 can be used alone. When the operation unit 3 and the display unit 5 are coupled, a contact point may be provided near the hinge unit 6 and signals may be exchanged via the contact point.

  On the other hand, it is also a useful usage method to have a conversation while watching the image displayed on the display unit 5 or the display while using the operation unit 3 as a headset. For example, in a cellular phone or the like having a videophone function, it is assumed that the separated operation unit 3 is worn as a headset and the display unit 5 is held in the hand and a conversation is performed while looking at the other party's face. . In such a case, it is necessary to exchange signals between the operation unit 3 and the display unit 5. In addition, when the function of transmitting and receiving the audio signal is performed in cooperation with a circuit incorporated in the operation unit 3 and the display unit 5, it is necessary to exchange signals between the operation unit 3 and the display unit 5. Become.

  As described above, when it is necessary to exchange signals between the operation unit 3 and the display unit 5 in the separated state, a wireless communication function for signal exchange is necessary. Therefore, in this case, it is necessary to incorporate wireless means for exchanging signals with each other in the operation unit 3 and the display unit 5.

  Here, the wireless means for transmitting and receiving the signal may be of any standard as long as the signal can be transmitted by wireless communication, but the operation unit 3 and the display unit 5 are: Since it is assumed that it will be used without leaving a great distance, it is preferable to adopt Bluetooth as a wireless standard.

  Bluetooth (Bluetooth) is a technology that makes it possible to easily recognize each other and exchange data between various devices such as mobile devices, mobile phones, personal computers, etc., using radio waves with a frequency of 2.4 GHz. The corresponding module is also small, has low power consumption, and has a feature that it can be easily mounted on a portable device. Therefore, by adopting this as a wireless standard for data exchange, it is possible to incorporate wireless means without enlarging the operation unit 3 and the display unit 5 so much.

As mentioned above, although embodiment of the mobile telephone to which this invention is applied has been described, it cannot be overemphasized that this invention is not limited to this embodiment. For example, in the previous embodiment, the operation unit 3 can be mounted and used as a headset, but the display unit 5 can also be used as a headset. In this case, the display unit 5 needs to include a speaker, a microphone, and an ear hook, but the speaker 8 can be used as the speaker.

It is a schematic perspective view which shows the use condition as a normal mobile telephone of the mobile telephone to which this invention is applied. It is a schematic perspective view which shows the separation state of an operation part and a display part. It is a rear view which shows the structure of the operation part used as a headset.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mobile phone, 2 operation button, 3 operation part, 4 liquid crystal display screen, 5 display part, 6 hinge part, 7,10 microphone, 8,9 speaker, 11 ear hook part

Claims (4)

In a mobile phone having an operation unit in which operation buttons are arranged and a display body unit provided with a liquid crystal display screen, and the operation unit and the display unit are foldable at a connection part.
The operation unit and the display can be separated at the connection part,
The mobile phone according to claim 1, wherein the operation unit or the display unit can be mounted as a headset in a separated state.   The mobile phone according to claim 1, wherein the operation unit or the display unit mounted as the headset includes a speaker, a microphone, and an ear hook.   3. The mobile phone according to claim 1, wherein a signal is transmitted by wireless communication between the operation unit and the display unit in the separated state. 4. The mobile phone according to claim 3, wherein a wireless standard used for the wireless communication is Bluetooth.

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