JP2003348204A - Mobile communication terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile communication terminal capable of automatically performing sliding operation with a simple configuration without requiring any useless space. <P>SOLUTION: In the mobile communication terminal, in which a casing 1 is divided into an upper casing 2 and a lower casing 3, and the lower surface 2B of the upper casing 2 is superposed on the upper surface 3A of the lower casing 3 to be integrated with each other, an upper conductor 41 made of a coil or the like and acting as an electromagnet by energizing the coil is integrally arranged in the upper casing 2, and a lower conductor 42 made of two or more coils and acting as an electromagnet capable of changing magnetic poles at every coil by the energization is integrally arranged in the lower casing 3. Thus the casing 1 can be automatically slid even with an extremely simple configuration. <P>COPYRIGHT: (C)2004,JPO

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication terminal device such as a portable telephone, a portable radio, a PHS (Personal Handy-phone System), a transceiver, and a cordless telephone. The present invention relates to a mobile communication terminal device having a slide mechanism for sliding one with respect to the other.

[0002]

2. Description of the Related Art Conventionally, the housing of a portable telephone has, for example,
In addition to the shape of a single straight plate or rod, there are various types such as a type equipped with a slide mechanism that partially slides, and a type equipped with a connecting mechanism that is freely opened and closed by hinges. Proposed and developed.

[0003] Among them, for example, as a device provided with a slide mechanism, a configuration in which only a numeric keypad portion is slid from another portion, as described in Japanese Patent Application Laid-Open No. 10-70845, for example, is known.

[0004]

However, the conventional slide mechanism requires a slide lock, a slide groove, and the like, so that a wasteful and unnecessary installation space is required in the housing of the mobile phone. It is necessary and the structure becomes complicated. Further, such a slide mechanism has a problem that it is difficult to perform a slide operation automatically.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and has a simple structure and requires almost no useless space, and can automatically perform a sliding operation. It is an object to provide a terminal device.

[0006]

In order to solve the above-mentioned problems, a mobile communication terminal according to the present invention comprises a pair of housings comprising an upper housing and a lower housing; A mobile communication terminal device comprising: a slide mechanism for sliding a body, wherein the slide mechanism includes a magnetic force generating unit in at least one of the upper housing and the lower housing, and the magnetic force The housing or the lower housing is configured to slide.

[0007] With this configuration, the automatic sliding operation of the housing can be performed with a very simple configuration.

[0008] In the mobile communication terminal device of the present invention, the slide mechanism includes an electromagnetic coil as magnetic force generating means in at least one of the upper housing and the lower housing.

According to this configuration, the sliding operation of the housing can be automatically and easily performed by electrical control.

Further, in the mobile communication terminal device of the present invention, the slide mechanism includes a permanent magnet as a magnetic force generating means in one of the upper housing and the lower housing.

With this configuration, the power consumption of the conductor can be reduced.

Further, in the mobile communication terminal device of the present invention, the electromagnetic coil or the permanent magnet is provided in a curved shape.

With this configuration, the slide trajectory can be curved, and when used in a sliding state, the contact with the ear and the microphone can be improved, and the communication quality can be improved.

Further, a mobile communication terminal device according to the present invention includes a pair of housings comprising an upper housing and a lower housing, and a slide mechanism for sliding the upper housing or the lower housing. The terminal device, wherein the slide mechanism is configured by a linear motor including an upper conductor made of a conductor installed in the upper housing and a lower conductor made of a conductor installed in the lower housing. And a switch for interrupting current to the upper conductor or the lower conductor.

With this configuration, by interrupting the current to the conductor, the upper and lower housings can be divided and used independently and separately.

Further, in the mobile communication terminal device of the present invention, at least one of the upper conductor and the lower conductor is provided in a curved shape.

According to this configuration, the slide trajectory can be curved, and when used in a sliding state, the contact with the ear and the microphone can be improved, and the communication quality can be improved.

Further, in the mobile communication terminal device of the present invention, the upper housing and the lower housing are detachably detachable from each other, and at least one of the upper housing and the lower housing. It has a function that can be used alone on the body side alone.

With this configuration, by interrupting the current to the conductor, the upper and lower housings can be divided and used independently and separately.

[0020]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. In the following description, a mobile phone will be described as an example of the mobile communication terminal device according to the present invention, but the present invention is not particularly limited to this. [First Embodiment] FIG. 1 shows a mobile phone to which a mobile communication terminal device according to a first embodiment of the present invention is applied, and a housing 1 of the mobile phone has an upper housing. Body 2
And a lower housing 3, and a slide mechanism 4 for slidably moving the upper housing 2 with respect to the lower housing 3.
It has. In the mobile phones according to the following embodiments including the first embodiment, other various members are combined and incorporated and integrated, but illustration and description thereof are omitted.

The upper housing 2 is formed in a substantially box shape in which an upper surface 2A and a lower surface 2B are joined, and the upper surface 2A is provided with a display unit 21, a receiving unit (not shown), and the like. The upper housing 2 is stacked and connected such that the lower surface 2B of the upper housing 2 is slidable on the upper surface 3A of the lower housing 3.

The lower housing 3 is also formed in a substantially box shape in which the upper surface 3A and the lower surface 3B are joined, and the upper surface 3A is provided with a numeric keypad 31 and a transmitter (not shown).

The slide mechanism 4 is for opening and closing the upper and lower casings by a linear motor type sliding operation. The upper conductor 41 composed of a coil integrally disposed inside the upper casing 2 and the lower conductor 41 are provided. A lower conductor 42 composed of a coil or the like integrally arranged inside the housing 3, and a control unit (not shown) for controlling energization of the upper conductor 41 and the lower conductor 42 are provided.

The upper conductor 41 includes a single coil fixed at a predetermined position near the lower surface 2B inside the upper housing 2, for example, in the present embodiment, near the center. It is configured to be an electromagnet. On the other hand, the lower conductor 42 is integrally installed inside the lower housing 3, and in this embodiment, two or more lower conductors 42 are arranged over a certain length corresponding to a required slide length. And an electromagnet whose magnetic pole can be changed for each coil when energized. The upper housing 2 is configured to slide freely with respect to the lower housing 3 by the magnetic attraction between the upper conductor 41 and the lower conductor 42.

Next, the operation of the slide mechanism 4 of the mobile phone according to the first embodiment will be described with reference to FIG. As shown in FIG. 2A, in the mobile phone, when the housing 1 is in a closed state, the lower conductor 42 installed in the lower housing 3 is moved by the same principle as that of driving the linear motor. Positive / negative conversion energization is applied to each of the constituent coils at regular intervals under the control of the control unit. Thereby, the upper conductor 41 can be attracted by the magnetic force generated in response to the power supply operation of the lower conductor 42,
The upper conductor 41 slides in a predetermined direction. As a result, as shown in FIG. 3B, the upper housing 2 integrally fixed with the upper conductor 41 can slide along the upper surface of the lower housing 3 to be closed. Can be opened.

When the casing 1 is in an open state, the coils constituting the lower conductor 42 installed in the lower casing 3 are energized at regular intervals to perform positive / negative conversion. Then, the upper housing 2 can slide along the upper surface of the lower housing 3, and
Can be closed. Thus, the upper housing 2
Can be caused to perform a reciprocating sliding motion with respect to the lower housing 3.

As described above, according to the first embodiment of the present invention, the upper conductor 41 which is constituted by a single coil or the like and which becomes an electromagnet when energized is integrated in the upper housing 2. Is installed On the other hand, a lower conductor 42 which is an electromagnet which is composed of two or more coils and which can change the magnetic pole for each coil when energized is provided integrally inside the lower housing 3.

Accordingly, by automatically controlling the energization of each coil by the slide mechanism having such an extremely simple structure, the upper housing 2 can be automatically slid and the housing 1 can be opened and closed. become able to. In addition,
In the above description, the case where the lower conductor 42 of the slide mechanism 4 is constituted by two or more coils and the positive / negative conversion is energized has been described. However, the same applies when the upper conductor 41 is constituted by two or more coils. And the same effect can be obtained.

[Second Embodiment] Next, a second embodiment of the present invention will be described with reference to FIG.
In the second embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description will not be repeated. Also in the second embodiment, the slide mechanism 4 in the housing 1 of the mobile phone is constituted by a linear motor type slide structure as in the first embodiment, which will be described with reference to FIG. Unlike the first embodiment, the upper conductor 43 is constituted by a permanent magnet.

Accordingly, in the slide mechanism 4 of the present embodiment, the principle of the slide operation is basically the same as that of the linear motor type slide structure described in the first embodiment.

As described above, according to the second embodiment of the present invention, the casing 1 of the portable telephone is divided into the upper casing 2 and the lower casing 3 and It is configured such that the lower surface 2B of the upper housing 2 is overlapped with the upper surface 3A to be integrated. In this case 1, an upper conductor 43 made of a permanent magnet is integrally installed inside the upper case 2, and further, the lower case 3
The lower conductor 42 which is an electromagnet which is composed of two or more coils and which can change the magnetic pole for each coil when energized is provided in the interior of the device. Therefore, in the slide mechanism 4 configured as described above, the power consumption of the conductor can be reduced by energizing only the lower conductor 42.

In the second embodiment, the case where the upper conductor 43 is constituted by a permanent magnet has been described. In addition, the upper conductor 41 is constituted by two or more coils, and the lower conductor 42 is constituted by a permanent magnet. Even if it is configured with a magnet, it can be implemented similarly,
Similar effects can be obtained.

[Third Embodiment] Next, a third embodiment of the present invention will be described with reference to FIG.
In the third embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description will not be repeated. The slide mechanism of the mobile phone according to the third embodiment of the present invention also uses the linear motor type slide structure as in the first and second embodiments, but differs from the first and second embodiments. The difference is that a switch 44 is provided that can supply and cut off current to the lower conductor 42.

The switch 44 is configured so that a user who uses and operates the portable telephone can select and operate the current supply or cutoff as desired.

Furthermore, in this embodiment, unlike the first embodiment, the housing 1 is composed of an upper housing 5 and a lower housing 6, which are detachable from each other.
When the two housings are separated, only the upper housing 5 and the lower housing 6 have a function that can be used alone.

That is, in this embodiment, only the upper housing 5 is configured to be usable as a PDA (Personal Digital Assistant) and the like, and the upper housing 5 is not provided with a key portion. With this configuration, characters can be input to the display unit using a stylus pen or the like. The functions that can be used only in the upper housing 5 include, in particular, the PDA
The present invention is not limited to this, and may have a function as, for example, a calculator or an electronic organizer. Further, the upper and lower housings may be configured to function as a pair of communicable transceivers or the like.

Here, the operation of the slide mechanism in the present embodiment is the same as the operation of the slide mechanism described in the first embodiment, except that the user operates the switch 4.
4 only when the current to the lower conductor 42 is interrupted
The magnetic attraction generated by the magnetic force of the lower conductor 42 disappears, and the upper housing 5 and the lower housing 6 can be separated and used independently by the upper housing 5 alone.

When the user operates the switch 44 again to start supplying current to the lower conductor 42, the attractive force of the magnetic force of the lower conductor 42 is restored, and the upper casing 5 and the lower casing 6 are returned. Can be used as the housing 1 of the integrally configured mobile phone. In addition, in the case of being used in a stacked manner as described above, a function of sliding the upper housing 5 with respect to the lower housing 6 can be executed as in the first embodiment.

As described above, according to the third embodiment of the present invention, the housing 1 is divided into the upper housing 5 and the lower housing 6, and the upper surface 6A of the lower housing 6 The lower surface 5B of the upper housing 5 is overlapped with the upper case 5 to be integrated. And this case 1
Has an upper conductor 4 which is composed of a coil or the like and is installed in an upper housing 5.
One and two or more coils, and a lower conductor 42 installed in a lower housing 6 capable of changing a magnetic pole for each coil.
And a switch 44 that is capable of supplying and interrupting a current to the lower conductor 42. Therefore, by interrupting the supply of current to the coil by the switch 44, the upper housing 5 and the lower housing 6 can be separated and divided from each other, and can be used alone on at least one of the housings. Becomes

In the above description, an electromagnet composed of two or more coils and capable of changing the magnetic pole for each coil when energized is used as the lower conductor 42, and a switch 44 is attached to the lower conductor 42. However, the present invention can be similarly implemented by a configuration in which an electromagnet composed of two or more coils and capable of changing the magnetic pole for each coil when energized is used as an upper conductor and a switch is attached to this upper conductor. Yes, a similar effect can be obtained.

[Fourth Embodiment] Next, a fourth embodiment of the present invention will be described with reference to FIG.
Note that, in the fourth embodiment, the first, third
The same reference numerals are given to the same portions as those of the embodiment described above to avoid repetitive description. In the mobile phone according to the fourth embodiment of the present invention, housing 1 is divided into upper housing 7 and lower housing 8, and upper surface 8A of lower housing 8 is curved in an arc shape. I have. The lower surface 7B of the upper housing 7 is also curved with substantially the same curvature as the arc shape of the upper surface 8A of the lower housing 8, and the curved surfaces of the upper housing 7 and the lower housing 8 are vertically laminated and integrated. It has a configuration.

Further, the mobile phone of the fourth embodiment also includes an upper conductor 46, a lower conductor 47, and a control unit (not shown) for the upper housing 7 to slide freely with respect to the lower housing 8. And a slide mechanism 4 having the same.

The upper conductor 46 and the lower conductor 47 have the same configuration as the upper conductor 41 and the lower conductor 42 used in the first embodiment.
In this embodiment, a single coil fixed near the center, for example, in the vicinity of the center, is used. On the other hand, lower conductor 4
Numeral 7 is integrally installed inside the lower housing 8, and in this embodiment also, is constituted by two or more coils arranged over a certain length corresponding to a required slide length. The electromagnet is configured such that the magnetic pole can be changed for each coil by controlling the energization by the control unit.

Next, a slide mechanism 4 according to a fourth embodiment will be described with reference to FIG. In FIG. 7A, an upper conductor 46 that is curved with substantially the same curvature as the curved surface of the upper housing 7 is integrally provided inside the upper housing 7. Further, a lower conductor 47 which is curved with substantially the same curvature as the curved surface of the lower housing 8 is integrally provided inside the lower housing 8.

The upper conductor 46 is composed of a coil or the like.
It is configured to become an electromagnet when energized. Further, the lower conductor 47 is formed of two or more coils, and is configured to be an electromagnet whose magnetic pole can be changed for each coil when energized. And this upper conductor 46
The upper housing 7 and the lower housing 8 are slidably connected by a magnetic attraction force between the upper housing 7 and the lower conductor 47.

Next, the operation of the slide mechanism 4 according to the fourth embodiment will be described with reference to FIG. As shown in FIG. 3A, in the case 1 in the closed state, the positive / negative conversion energization is applied to the lower conductor 47 installed in the lower case 8 at regular intervals, similarly to the driving principle of the linear motor. Thereby, the upper conductor 46 is caused to slide along a curved trajectory along the curved surface of the lower housing 8. As a result, as shown in FIG. 7B, the upper housing 7 integrally provided with the upper conductor 46 also performs a sliding operation according to the curvature of the curved surface of the lower housing 8, that is, a reciprocating curved sliding motion. The opening operation of the housing 1 can be performed.

As described above, according to the fourth embodiment of the present invention, the housing 1 of the mobile phone is divided into the upper housing 7 and the lower housing 8 and the upper surface of the lower housing 8 8A is curved in an arc shape, and the lower surface 7B of the upper housing 7 is also curved with substantially the same curvature as the arc shape of the upper surface 8A of the lower housing 8. It has a configuration in which curved surfaces are overlapped and integrated. Therefore, according to the mobile phone configured as described above, the slide trajectory can be curved in a very simple configuration. As a result, when used in the open and slid state, a shape along the contour of the user's face is formed, the contact with the ears and the microphone can be improved, and the call quality can be improved. .

In the fourth embodiment, the case where the upper conductor and the lower conductor are constituted by electromagnets has been described. However, as described in the second embodiment of the present invention, either one of the conductors is used. Even in the case of using a permanent magnet, it can be implemented by bending the shape, and the same effect can be obtained.

[0049]

As described above, the present invention provides a mobile communication terminal including a pair of housings including an upper housing and a lower housing, and a slide mechanism for sliding the upper housing or the lower housing. In the apparatus, the slide mechanism includes a magnetic force generating means in at least one of the upper housing and the lower housing, and is configured to slide the upper housing or the lower housing with the magnetic force, and is a simple device. With the configuration, it is possible to perform the automatic sliding operation of the housing without requiring a useless space.

Further, according to the present invention, the upper conductor that becomes an electromagnet when energized is integrally installed inside the upper housing, and is further composed of two or more coils and is energized for each coil. By automatically installing the lower conductor, which is an electromagnet capable of changing the magnetic pole, inside the lower housing, the automatic sliding operation of the housing can be performed with a very simple configuration.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a closed state of a mobile phone according to a first embodiment of the present invention.

2A and 2B are schematic cross-sectional views showing the operation of the slide mechanism of the mobile phone shown in FIG. 1, wherein FIG. 2A is a schematic cross-sectional view showing a closed state, and FIG. .

3A and 3B show a mobile phone according to a third embodiment, in which FIG. 3A is a schematic cross-sectional view showing a state at the time of superposition;
(B) is a schematic longitudinal sectional view showing a state at the time of separation and division.

FIGS. 4A and 4B show a configuration of a mobile phone according to a fourth embodiment of the present invention, in which FIG. 4A is a schematic sectional view showing a closed state, and FIG. It is sectional drawing.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Case 2, 5, 7 Upper case 2A, 3A, 6A, 8A Upper surface 3, 6, 8 Lower case 2B, 3B, 5B, 7B Lower surface 4 Slide mechanism 41, 46 Upper conductor (coil; magnetic force generating means) 42, 47 Lower conductor (two or more coils; magnetic force generating means) 43 Permanent magnet (upper conductor) 44 Switch

   ────────────────────────────────────────────────── ─── Continuation of front page    F term (reference) 4E360 AA02 AB12 AB42 EC12 EC13                       ED24 GA52                 5K023 AA07 AA08 DD08 LL06 MM25                       PP05

Claims (7)

[Claims] 1. A mobile communication terminal device comprising: a pair of housings composed of an upper housing and a lower housing; and a slide mechanism for sliding the upper housing or the lower housing. A mobile communication terminal device comprising a magnetic force generating means provided in at least one of the upper housing and the lower housing, and configured to slide the upper housing or the lower housing with the magnetic force. . 2. The mobile communication terminal device according to claim 1, wherein the slide mechanism includes an electromagnetic coil as magnetic force generating means in at least one of the upper housing and the lower housing. . 3. The mobile communication terminal according to claim 1, wherein the slide mechanism includes a permanent magnet as a magnetic force generating means in one of the upper housing and the lower housing. apparatus. 4. The mobile communication terminal device according to claim 2, wherein the electromagnetic coil or the permanent magnet is installed in a curved shape. 5. A mobile communication terminal device comprising: a pair of housings comprising an upper housing and a lower housing; and a slide mechanism for sliding the upper housing or the lower housing, wherein the slide mechanism is A linear motor having an upper conductor made of a conductor installed in the upper housing and a lower conductor made of a conductor installed in the lower housing, and a motor to the upper conductor or the lower conductor. A mobile communication terminal device comprising a switch for interrupting current. 6. The mobile communication terminal device according to claim 5, wherein at least one of the upper conductor and the lower conductor is provided in a curved shape. 7. The upper housing and the lower housing are configured to be detachable and detachable from each other, and have a function that can be used alone on at least one of the upper housing and the lower housing. The mobile communication terminal device according to claim 1 or 5, wherein