JP2003244298A - Portable terminal equipment and strap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To precisely detect an azimuth. <P>SOLUTION: Portable terminal equipment 1 comprises a portable terminal main body 2 incorporating magnetic generating parts 6 and 7 and a strap 3 to be mounted on the portable terminal main body 2, and the strap 3 is provided with a connecting wire part 10 for mounting the strap 3 on the portable terminal main body 2, and the portable terminal main body 2 is provided with a mounting part 8 for mounting the connecting wire part 10. An azimuth magnet 11 is mounted on the strap 3, and the position of the mounting part 8 and a distance between the top end of the connecting wire part 10 and the azimuth magnet 11 are decided to limit operation ranges C and D of the azimuth magnet 11 so that a leakage flux from the magnetic generating parts 6 and 7 can be not more than prescribed values. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile terminal device provided with a mobile terminal body such as a mobile phone, a simplified mobile phone, a mobile information terminal, and a strap attached to the mobile terminal body, and a strap. .

[0002]

2. Description of the Related Art Conventionally, a portable terminal device is made of leather, plastic, or the like in order to facilitate removal from the pocket or bag of the portable terminal body or to prevent the portable terminal body from dropping from a hand. A strap formed by forming a band made of a material into a ring shape is provided. Such a strap has a connecting wire portion made of a thin string at the tip of a band material formed in a ring shape, and the connecting wire portion is attached to an attaching portion made of a through hole provided in a part of the mobile terminal body. It is fixed to the mobile terminal body by penetrating and tying it.

Conventionally, the GPS (Global Position)
mobile terminal device equipped with the (ing System) function has been developed, and the map information acquired using this GPS function is
There is also known a navigation technique for displaying a display screen provided on the main body of a mobile terminal to guide a travel route. In this case, the user of the mobile terminal device confirms his / her current position or the direction in which he / she is currently facing based on the landmarks and other landmarks on the map displayed on the display screen. .

Therefore, when there is a building that serves as a mark in the surroundings, it is possible to recognize the current position of the user and the direction in which the building is heading, but there is a building that serves as a mark. Otherwise, it is difficult to know your current position and direction. When displaying a map on the display screen 30, normally, as shown in FIG.
With the map information, an arrow P or a character indicating a direction such as north is displayed, or a map is displayed so that the upper part of the display screen 30 points to north. Therefore, the user of the mobile terminal device knows the direction in which he or she is facing, based on the position of the sun or the position of the constellation, and grasps the direction of the destination by matching the direction with the direction of the display screen 30. be able to.

[0005]

However, it may not be possible to grasp the direction by the sun or constellations depending on the night or the weather, and in an unfamiliar place, the user of the portable terminal device may face in the direction he or she is facing. It is not always easy to understand in which direction the is. A compass is known as a device for easily knowing the direction. Therefore, if the user of the mobile terminal device carries the compass, the direction of the map appearing on the display screen can be quickly grasped.

However, it is not considered that the user of the portable terminal device carries the compass on a daily basis, and
It is inconvenient that you cannot confirm the direction unless you carry it with you at all times. Further, since the compass is a means for sensing the earth's magnetism, it is susceptible to the influence of the surrounding magnetic field other than the earth's magnetism, while the mobile terminal device usually has a speaker which is a strong magnetic field generating component. There is. Therefore, when the azimuth magnet is used in the vicinity of the speaker, the azimuth indicated by the azimuth magnet may be misaligned, and the user of the mobile terminal device may mistake the current direction.

In particular, it is considered that the user of the portable terminal device compares the map displayed on the display screen with the compass. However, the mobile phone is provided with a reception speaker and a notification speaker for generating a ring tone, etc. Generally, the reception speaker is arranged on the upper part of the mobile terminal main body, and the notification speaker is arranged on the back surface of the mobile terminal main body. On the front side of the mobile terminal body, a display screen is generally arranged on the upper side and operation keys are arranged on the lower side. Since the battery storage portion and the like are provided in the lower back side of the mobile terminal body, the notification speaker is arranged in the upper part of the mobile terminal body, that is, on the back side of the display screen.

That is, a large number of magnetism generating components such as speakers are arranged near the display screen. Therefore, when the user uses a general usage method in which the compass is placed near the display screen and the two are compared, the direction indicated by the compass is deviated by the magnetism generating component, and accurate guidance is provided. There is an inconvenience that it is impossible to do.

Further, in recent years, a mobile terminal device such as a mobile phone capable of playing a ringing melody with high sound quality has been developed, and accordingly, the volume tends to increase. As a result, the density of the magnetic flux generated from the speaker increases, which may cause a large error in the compass.

The present invention has been made in view of the above-mentioned circumstances, and provides a portable terminal device and a strap capable of carrying a compass magnet together with a main body of a portable terminal and showing a direction easily and accurately. It is intended to be provided.

[0011]

In order to achieve the above object, the present invention proposes the following means. The invention according to claim 1 is a mobile terminal main body having a built-in magnetic field generation component,
A strap attached to the mobile terminal body, the strap includes a connection wire portion for attaching the strap to the mobile terminal body, and the mobile terminal body is provided with an attachment portion for attaching the connection wire portion,
A direction magnet is attached to the strap, and the position of the attaching portion and the tip of the connecting wire portion are set so that the operating range of the direction magnet is limited to a range in which the leakage magnetic flux from the magnetism generating component is a predetermined value or less. A mobile terminal device is proposed in which the distance from the compass to the compass is determined.

According to the present invention, even if the user who operates the portable terminal body moves the compass to the vicinity of the portable terminal body, the operating range of the compass magnet is limited. It can be used in a range where the magnetic flux leaking from the magnetic field-generating component built in the terminal body is below a predetermined value. That is, even if the azimuth magnet is used within the range, it is possible to show an accurate azimuth without being greatly affected by the leakage magnetic flux from the magnetic field-generating component. The predetermined value is, for example, a geomagnetism of 0.2 to 0.5.
In the case of Gauss, it is preferable to set the position where the leakage magnetic flux sensed by the compass is ⅕ or less.

Further, the invention according to claim 2 comprises a portable terminal main body having a built-in magnetic field generating component and a strap attached to the portable terminal main body, the strap for attaching the strap to the portable terminal main body. An attachment portion for attaching the connection wire portion is provided on the mobile terminal body, and an orientation magnet is attached to the strap, and the orientation indicated by the orientation magnet is within a predetermined range with respect to the true orientation. A mobile terminal device is proposed in which the position of the mounting portion and the distance from the tip of the connecting wire portion to the azimuth magnet are determined so that the operating range of the azimuth magnet is limited to the range.

According to the present invention, even if the user who operates the portable terminal body moves the compass to the vicinity of the portable terminal body, the operating range of the compass magnet is limited. It can be used in a range in which the indicated direction is within a predetermined range with respect to the true direction. That is,
For example, when the map information is displayed on the main body of the mobile terminal, the direction indicated by the azimuth magnet must be determined to be the true direction in order to determine which direction the certain direction shown on the map is. The user can recognize the azimuth as long as it is within a certain error range. Therefore, the predetermined range in the present invention is a range in which the user can recognize the azimuth, and is preferably about ± 10 ° or less with respect to the true azimuth, for example.

According to a third aspect of the present invention, in the portable terminal device according to the first or second aspect, the portable terminal main body is provided with a display section for displaying a map, and at least the display section is operated. In the above, there is proposed a mobile terminal device in which the position of the mounting portion and the distance from the tip of the connecting wire portion to the azimuth magnet are determined so that the operation range of the azimuth magnet is limited.

According to the present invention, when the display unit is operated, the operation range of the azimuth magnet is limited, so that the azimuth magnet can be used to compare the map displayed on the display unit with the azimuth magnet. Even when it is used near the portable terminal body, it can be used without causing the compass to move so much. Further, the state in which the display unit is operated is premised on that the display unit and the operation unit are arranged in the same housing, that is, a so-called straight type portable terminal device, and the display unit and the operation unit are In any of the foldable mobile terminal devices, which are arranged in separate housings and are connected to each other so as to be foldable with each other, the orientation magnet is properly set at least when the map is displayed on the display unit. It is intended for use.

According to a fourth aspect of the present invention, in the portable terminal device according to any one of the first to third aspects, the connecting wire portion attached to the attaching portion includes the directional magnet and the magnetic field generating component. It proposes a mobile terminal device having spring rigidity that urges it in the direction of pulling it away from.

According to the present invention, the directional magnet is constantly urged in the direction away from the magnetism generating component by the spring rigidity of the connecting wire portion. As a result, when the force applied to the compass is smaller than the force generated by this spring rigidity, that is, when the mobile terminal device is placed on the desk,
The connecting wire portion moves the compass magnet in the direction of separating it from the magnetism generating component. Therefore, the compass is arranged at a position where the influence of the leakage magnetic flux generated from the magnetism generating component is smaller.

The invention according to claim 5 is a portable terminal main body,
A strap attached to the mobile terminal body, the mobile terminal body is provided with a connector for connecting an external device, and a compass is attached to the strap, and a strap attached to the mobile terminal body. It proposes a mobile terminal device provided with a connecting portion for connecting to the connector.

According to the present invention, by attaching the azimuth magnet to the strap, it becomes possible to always carry the azimuth magnet with the portable terminal body. Therefore, when using a navigation system such as displaying map information on the mobile terminal main body, it is possible to know a more accurate azimuth by using the azimuth magnet. In this case,
The mobile terminal body is usually provided with a connector for connecting an external device, but the mobile terminal device of the present invention is provided with a connecting portion for connecting the strap to the connector. By connecting the connecting portion to the connector, the compass can be attached to the mobile terminal body and both the compass and the mobile terminal body can be carried with one hand.

According to a sixth aspect of the present invention, in the portable terminal device according to any one of the first to fifth aspects, the magnetic generation component is a magnetic shield type component with reduced leakage flux. Is proposed. According to this invention,
Since the leakage magnetic flux from the magnetic field generating component is reduced, the compass magnet is less likely to be affected by the magnetic flux leaking from the magnetic field generating component, and a more accurate direction can be known. Further, since the area that is not affected by the leakage magnetic flux is increased, the position of the attachment portion, the length of the strap, and the like can be set more freely.

According to a seventh aspect of the present invention, in the portable terminal device according to any one of the first to fifth aspects, the magnetic generation component is wrapped with a magnetic-shield sheet that blocks leakage magnetic flux. Is proposed. According to the present invention, without using a magnetically shielded component having a special structure,
Since the leakage magnetic flux can be blocked only by wrapping a normal part in a magnetic-shield sheet, the present invention can be applied to an existing mobile terminal device, and at a lower cost, achieve the same operation as that of the mobile terminal device according to claim 6. It becomes possible to do.

The invention according to claim 8 is a strap which is attached to a portable terminal main body, comprising a compass, and for connecting the compass to a connector for external device connection provided on the portable terminal main body. A strap provided with a connecting part is proposed. According to the present invention, by attaching the azimuth magnet to the strap, it becomes possible to always carry the azimuth magnet together with the mobile terminal body. Therefore, when using a navigation system such as displaying map information on the mobile terminal main body, it is possible to know a more accurate azimuth by using the azimuth magnet. In this case, the strap can be easily attached to the portable terminal body by connecting the connecting portion to the connector for external device connection which is usually attached to the portable terminal body.

[0024]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a mobile terminal device according to the present invention will be described below with reference to FIG. The mobile terminal device 1 according to the present embodiment includes a mobile terminal main body 2 and a strap 3 attached to the mobile terminal main body 2.

The mobile terminal body 2 is, for example, a straight type mobile phone 2 in which a liquid crystal display screen 4 is arranged on the upper part of a single housing and operation keys 5 are arranged on the lower part. In this mobile phone 2, a receiving speaker 6 for generating the voice of the other party is arranged above the liquid crystal display screen 4. Further, on the back surface of the mobile phone 2 just behind the liquid crystal display screen 4, a notification speaker 7 for generating a ring tone or the like is provided.

Since these speakers 6 and 7 are a sound source for generating a sound and utilize a magnet and an induction coil to convert an electric signal into a sound signal,
It is also a magnetism generating component that generates magnetism. Further, an attachment portion 8 to which the strap 3 is attached is provided below the mobile phone 2. The mounting portion 8 is a through hole provided in a part of the housing of the mobile phone 2.

The strap 3 has a handle portion 9 formed by forming a band material into a ring shape, a connecting wire portion 10 made of a thin cord, and an azimuth fixed between the handle portion 9 and the connecting wire portion 10. And a magnet 11. The handle portion 9 can be made of a band material made of any material such as cloth, leather, and a string, and in particular, when the mobile phone 2 is taken out from a pocket or a bag, the user can take it by hand and pull it. In addition, when the mobile phone 2 is used, it has a size that allows the wrist to pass through it so that it does not drop from the hand.

The connecting wire portion 10 may be made of a thin cord made of an arbitrary material, but is preferably made of a material having a spring rigidity of a certain level or more. That is, with this configuration, it is possible to urge the azimuth magnet 11 in a direction in which it is separated from the mobile phone 2 by the spring rigidity of the connection wire portion 10 in a state of being attached to the attachment part 8 of the mobile phone 2. Becomes

The azimuth magnet 11 is formed in a substantially columnar shape, has a circular window portion 12 at one end surface thereof, and a magnetic needle 13 rotatably supported around the central axis inside the window portion 12. I have it. By arranging the window 12 substantially horizontally, the magnetic needle 13 can be freely rotated according to the earth's magnetism, and the direction can be known by the pointing direction.

As described above, the azimuth magnet 11 is attached to the mobile phone 2 by connecting the connection wire portion 10 to the attachment portion 8 of the mobile phone 2. In this case, in the mobile terminal device 1 according to the present embodiment,
The position of the attachment portion 8 of the mobile phone 2 and the connection wire portion 1
The length dimension of 0 is determined as follows.

That is, ranges A and B indicated by diagonal lines in FIG.
Is a range where the leakage magnetic flux from the reception speaker 6 and the notification speaker 7 is a predetermined value or more. The position of the mounting portion 8 and the length dimension of the connecting wire portion 10 are determined so that the operating range C of the azimuth magnet indicated by the chain line does not fall within the ranges A and B indicated by the diagonal lines.

Here, since the strength of the earth's magnetism is 0.2 to 0.5 Gauss, the compass 11 has a magnetic flux leakage from the speakers 6 and 7 within a range of about ⅕ or less. For example, it is considered that the pointing direction does not cause a large deviation in direction, that is, the direction does not cause the person to get lost. Therefore, for example, ⅕ of 0.5 gauss, that is, 0.1 gauss is set as the predetermined value, and the compass 11
In the operating range C, the leakage magnetic flux from the speakers 6 and 7 is 0.
By limiting the range to 1 gauss or less, the azimuth magnet 11 can indicate a substantially accurate azimuth indicated by the earth's magnetism without being greatly changed in azimuth by the leakage magnetic flux of the speakers 6 and 7.

Further, in the above embodiment, the mounting portion 8
Is the position farthest from the notification speaker 7,
Since it is arranged at the bottom of the mobile phone 2, the connection wire portion 10
The length dimension of can be made sufficiently long. However, as shown by the chain line D in FIG. 1, even when the position of the attachment portion 8 ′ is arranged closer to the notification speaker 7 and the reception speaker 6, the length dimension of the connection wire portion 10, that is, By setting the distance from the tip of the connecting wire portion 10 to the compass 11 to be sufficiently short, the speakers 6, 7
It is possible to use the azimuth magnet 11 at a position that is hardly affected by the leakage magnetic flux from the.

As a result, when the user of the mobile phone 2 follows the route while comparing the map displayed on the liquid crystal display screen 4 with the azimuth pointed to by the azimuth magnet 11, the azimuth magnet 11 is used. No matter what position it is arranged with respect to 2, the direction indicated by the azimuth magnet 11 is not greatly changed, and there is no inconvenience such as getting lost.

In the above embodiment, 0.1 gauss is set as the predetermined value, and the operating ranges C and D of the compass 11 are set within the range in which the leakage magnetic flux from the speakers 6 and 7 is 0.1 gauss or less. However, the present invention is not limited to this, and the value of the predetermined value can be appropriately set within the range of 0.1 gauss or less.

Further, in the above-mentioned embodiment, the leakage magnetic flux from each of the speakers 6 and 7 which are magnetic generation parts is about 0.1.
The operating range C, D of the compass 11 in the range below Gauss
However, instead of this, the operating ranges C and D of the azimuth magnet 11 may be limited by the swing width of the azimuth magnet 11 due to the leakage magnetic flux from the speakers 6 and 7. As such a range, a range in which a person does not get lost by mistaking the direction, that is, for example,
It is only necessary to select a range within about ± 10 ° with respect to the true azimuth.

Further, in the above embodiment, the case of the mobile phone 2 has been described, but the present invention is not limited to this. For example, the invention is not limited to the mobile phone 2, and can be applied to any mobile terminal device such as a simple mobile phone and a mobile information terminal. Further, the so-called straight type mobile phone 2 in which the liquid crystal display screen 4 and the operation keys 5 are arranged side by side in the same housing has been described.
The present invention can also be applied to a foldable mobile terminal device in which a first housing having a liquid crystal display screen 4 and a second housing having operation keys 5 are foldably connected by a hinge.

In this case, even if the mounting portion 8 is provided at the lower end of the second casing having the operation keys 5, the compass 11 of the strap 2 attached to the mounting portion 8 is When they are folded, they are arranged in the vicinity of the reception speaker 6 provided on the upper part of the first housing. However, the compass 11 is required only when the user views the map displayed on the liquid crystal display screen 4. Therefore, the position of the attachment portion 8 and the length dimension of the connection wire portion 10 are set in a state where the housings are opened, that is, in a state where the user can see the information of the map displayed on the liquid crystal display screen 4. The azimuth magnet 11 may be set so as to be operable within a range that is not affected by the leakage magnetic flux from the speakers 6 and 7.

In particular, in the case of this folding type portable terminal device, it is preferable to set the spring rigidity of the connecting wire portion 10 to be high. As a result, even when the housings are closed and the azimuth magnet 11 can approach the speakers 6 and 7, the azimuth magnet 11 is urged in a direction away from the speakers 6 and 7, so that the azimuth magnet 11 has a magnetic flux density. It is possible to prevent it from being left in a strong area.

Next, a second embodiment of the portable terminal device 20 and the strap 21 according to the present invention will be described with reference to FIGS.
This will be described with reference to FIG. In the description of the present embodiment, the same reference numerals are given to the portions having the same configurations as those of the mobile terminal device 1 according to the above-described first embodiment, and the description will be simplified. The mobile terminal device 20 according to the present embodiment is composed of a mobile phone 22 and a strap 21 attached to the mobile phone 22 as in the mobile terminal device 1 according to the first embodiment described above.

On the side surface of the mobile phone 22, a connector 23 such as an earphone jack for connecting an earphone or an external camera is provided. In addition, the strap 21 is attached to the mobile phone 2
2, the connecting wire portion 10 attached to the attaching portion 8, the azimuth magnet 11 fixed to the tip of the connecting wire portion 10, and the casing 24 detachably attached to the azimuth magnet 11.
And a handle portion 9 for handling the mobile phone 22. In addition, a pin-shaped connecting portion 25 connected to the connector 23 is provided on the side surface of the casing 24 provided in the handle portion 9.

For example, as shown in FIG. 2, the connecting portion 25 is attached to the side surface of the casing 24 so as to be capable of swinging within a range of 90 °, and when the compass 11 is not used, the casing 25 is formed. It is housed along the side surface of 24, and when the compass 11 is used, it is made to project in a direction orthogonal to the side surface of the casing 24. Then, by inserting the connecting portion 25 into the connector 23 provided on the mobile phone 22, the compass 11 can be attached to the mobile phone 22 side by side with the liquid crystal display screen 4.

Further, since the pin-shaped connecting portion 25 is attached to the portable telephone 22, the azimuth magnet 11 can be swung around the axis of the connecting portion 25. As a result, for example, even when the liquid crystal display screen 4 of the mobile phone 22 is tilted with respect to the horizontal plane, only the azimuth magnet 11 is used in a horizontal state as shown in FIG. be able to. Therefore, it is possible to detect the azimuth with high accuracy.

Further, the directional magnet 11 is connected by the connecting portion 25.
Since the mobile phone 22 can be integrated with the mobile phone 22, the user of the mobile phone 22 can simultaneously hold the mobile phone 22 and the compass 11 with one hand. Therefore, the portability is improved, the operability is improved, and the usability is improved.

In the portable terminal device 20 according to the present embodiment having such a configuration, when the compass 11 is used, it is attached to the connector 23 provided on the portable telephone 22. However, in the example shown in FIGS. 2 and 3, since the connector 23 is arranged near the earpiece speaker 6 which is a magnetic field generating component, it is sufficiently affected by the leakage magnetic flux generated from the earpiece speaker 6. Conceivable. Therefore, in such a case, it is necessary to use the reception speaker 6 and the notification speaker 7 of the mobile phone 22 as a magnetic shield type speaker with a small magnetic flux leakage, or to wrap the speakers 6 and 7 with a cloth-shaped magnetic shield sheet. .
According to the method of wrapping the speakers 6 and 7 with the magnetic shield sheet, it is possible to manufacture the speaker easily and at low cost.

Further, in the portable terminal device 20 according to the second embodiment, the speakers 6 and 7 are subjected to the magnetic shielding treatment, and the connector 25 to which the compass 11 is attached is provided near the speakers 6 and 7. However, instead of this, as described in the first embodiment, the mobile phone 22 in which the connector 23 is arranged in the region where the leakage magnetic flux from the reception speaker 6 or the notification speaker 7 is below a certain level is adopted. You may According to this, when the azimuth magnet 11 is used, the azimuth magnet 11 can always be used in a state where the influence of the leakage magnetic flux from the speakers 6 and 7 is small, and the speakers 6 and 7 do not need to be magnetically shielded. Therefore, it is possible to improve the navigation accuracy more easily and inexpensively.

Although the directional magnet 11 is provided with the detachable casing 24 and the casing 24 is provided with the connecting portion 25, the directional magnet 11 is configured as shown in FIG. 4 instead. Connection part 2 to casing 26
5 may be provided. Further, as shown in FIG. 5, a casing 27 provided with the connecting portion 25 is rotatably attached to the direction magnet 11, and when the direction magnet 11 is used, the casing 27 is rotated to connect the connecting portion 25 to the connector 23. You may decide to connect to.

Further, the connector 23 to which the azimuth magnet 11 is attached is not limited to the earphone jack, and as shown in FIG. 6, a connector 28 for connecting a cable for data communication may be used. . In this case, the casing 29 attached to the connector 28
On the other hand, it is preferable that the azimuth magnet 11 can be swung around a horizontal axis parallel to the display screen 4. As a result, regardless of the inclination of the display screen 4, it is possible to maintain the azimuth magnet 11 in a horizontal state and accurately detect the azimuth.

[0049]

As described above, according to the portable terminal device of the present invention, the compass can be easily carried in the portable terminal main body, and the map information displayed on the portable terminal main body can be carried out. You can give a true bearing. Therefore, there is an effect that the user of the mobile terminal device can follow the route more quickly and easily. In this case, according to the mobile terminal device of the present invention, since the azimuth magnet can indicate an accurate azimuth without being greatly affected by the leakage magnetic flux from the magnetic field-generating component, the user of the mobile terminal device can Therefore, it is possible to prevent the user from taking a long time to find a destination by mistakenly looking in the direction or getting lost.

Further, according to the strap of the present invention, since it can be easily attached to the portable terminal body and the portable terminal body and the compass can be held with one hand, the portability is improved and the portable terminal body is improved. It is possible to easily compare the map displayed on the screen with the direction indicated by the direction magnet, which is advantageous in terms of usability.

[Brief description of drawings]

FIG. 1 is a front view showing a mobile terminal device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a mobile terminal device and a strap according to a second embodiment of the present invention.

FIG. 3 is a partially cutaway perspective view showing a state in which the strap is attached to the mobile terminal body in the mobile terminal device of FIG.

FIG. 4 is a perspective view showing a mobile terminal device and a strap according to another embodiment of the present invention.

FIG. 5 is a perspective view showing a mobile terminal device and a strap according to still another embodiment of the present invention.

FIG. 6 is a perspective view showing a mobile terminal device and a strap according to still another embodiment of the present invention.

FIG. 7 is a diagram showing an example of map information displayed on a display screen of a mobile terminal device.

[Explanation of symbols]

1,20 Mobile terminal device 2,22 Mobile phone (mobile terminal body) 3,21 strap 4 Liquid crystal display screen (display section) 6 Earpiece speaker (magnetism generating part) 7 Notification speaker (Magnetic generator) 8 Mounting part 10 Connection wire part 11 compass 23, 28 connector 25 Connection C, D operating range

Claims (8)

[Claims] 1. A portable terminal main body having a built-in magnetic field generation component, and a strap attached to the portable terminal main body, wherein the strap includes a connection wire portion for attaching the strap to the portable terminal main body. The terminal main body is provided with an attachment portion for attaching the connection wire portion, the strap is attached with an azimuth magnet, and the operation range of the azimuth magnet is limited to a range in which the leakage magnetic flux from the magnetic field generation component is equal to or less than a predetermined value. As described above, the position of the mounting portion and the distance from the tip of the connection wire portion to the compass are determined. 2. A portable terminal main body having a built-in magnetic field generation component, and a strap attached to the portable terminal main body, the strap having a connecting wire portion for attaching the strap to the portable terminal main body, A mounting portion for mounting the connection wire portion is provided on the terminal body, and a azimuth magnet is attached to the strap, and the azimuth of the azimuth magnet is within a predetermined range with respect to the true azimuth. A portable terminal device in which the position of the mounting portion and the distance from the tip of the connecting wire portion to the compass are determined so that the operating range is limited. 3. The portable terminal main body includes a display unit for displaying a map, and the position of the mounting unit is set so that the operation range of the compass is limited at least when the display unit is operated. The mobile terminal device according to claim 1 or 2, wherein a distance from the tip of the connection wire portion to the compass is determined. 4. The connection wire portion attached to the attachment portion has a spring rigidity that urges the compass magnet in a direction to separate the compass magnet from the magnetic field generating component. Mobile terminal device. 5. A portable terminal main body and a strap attached to the portable terminal main body, wherein the portable terminal main body is provided with a connector for connecting an external device, and a directional magnet is attached to the strap, and A mobile terminal device provided with a connecting portion for connecting a strap attached to a mobile terminal body to the connector. 6. The mobile terminal device according to claim 1, wherein the magnetic field generation component is a magnetic shield type component in which leakage magnetic flux is reduced. 7. The mobile terminal device according to claim 1, wherein the magnetic field-generating component is wrapped with a magnetic-shield sheet that blocks leakage magnetic flux. 8. A strap to be attached to a mobile terminal body, comprising a compass magnet, wherein the compass magnet is provided with a connecting portion for connecting to a connector for external device connection provided on the mobile terminal body. A strap.