JPH1098514A - Mobile communication equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a mobile communication equipment which can conduct transmission/reception without producing a radio interference even when the equipment placed on a metal-made board or desk makes transmission/reception. SOLUTION: The equipment is provided with equipment main bodies 10, 11 having an antenna 13 at their upper part and a cover 12 that is turnably fitted to the equipment main bodies 10, 11 to cover the operation section of the equipment main bodies 10, 11 when being closed, and the equipment main bodies 10, 11 have a projection 24 projected from its lower face, the cover 12 has a notch whose width is wider than the width of the projection 24 at its lower part and the cover 12 is fitted to the equipment main bodies 10, 11 by arranging an arm formed by the notch to both sides of the projection 24 and connecting the arm to the projection 24 with a pin 25. When the cover 12 is open, the cover 12 is turned up to a rear side of the equipment main bodies 10, 11 and the front side of the cover 12 is in contact with a bottom face of the rear side of the equipment main bodies 10, 11. When the equipment is placed on a board or a desk in this state, the bottom side of the equipment main bodies 10, 11 and a free end of the cover 12 are in contact with the board or the desk or the like and the equipment main bodies 10, 11 in the erected state are placed on the board or the desk or the like and the antenna 13 is left from the board or the desk or the like.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to improvement of a mobile communication device such as S.

[0002]

2. Description of the Related Art Mobile communication devices, such as mobile phones and PHSs, having a cover that can be opened and closed are known. FIG. 8 shows such a mobile phone. The phone body A has an antenna B at the upper part and a front upper part C
And an operation unit having a liquid crystal display panel, push buttons, and the like is arranged in a lower front part D. Cover E
Has a built-in macrophone near the upper end.
The telephone body and the cover are connected near the lower end by a pin F. As shown in the figure, the cover B is opened to an angle of 120 to 180 ° with respect to the telephone body A by fully opening the cover to expose the operation unit. With
When approaching the face, the speaker and the microphone are located at the ears and the mouth, and the cover is closed to cover the operation unit and form a part of the telephone body.

[0003]

However, the mobile communication device is formed in a thin box shape in consideration of the shape.
Since it is light in weight, when transmitting and receiving the data on a table or a desk, as shown in FIG.
Mobile communication devices have been miniaturized year by year, and are used as communication terminals for facsimile transmission / reception and personal computer data transmission / reception. Such applications are becoming more and more widespread in the future, but when mobile communication devices are placed flat on a table or desk for transmission and reception, the table or desk placed in the office is made of metal. Therefore, the radio wave emitted from the antenna B and the radio wave coming from the outside are absorbed by the table or the desk, causing radio wave interference and making transmission and reception difficult.

An object of the present invention is to provide an improved mobile communication device so that transmission and reception can be performed without causing radio interference even when transmission and reception are performed on a metal stand or desk. It is in.

[0005]

In order to achieve the above object, a mobile communication device according to the present invention has a device main body having an antenna on an upper part, a rotatable device mounted on the device main body, and a closed body when the device is closed. A cover that covers the operation unit, but the device body has a protrusion projecting from the lower surface, the cover has a notch wider at the bottom than the protrusion, and arms formed by the notch are arranged on both sides of the protrusion and are formed on the protrusion. It is attached to the device body by pin connection.

When the cover is opened, the cover rotates to the back of the apparatus main body, and the front of the cover contacts the bottom surface on the back side of the apparatus main body. In this state, if this device is placed on a table or desk, the bottom of the device and the free end of the cover come into contact with the table or desk, and the device body stands on the table or desk with the device standing. The antenna moves away from the table or desk.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a mobile communication apparatus according to the present invention will be described below with reference to FIGS.

A mobile communication device described as an embodiment is a mobile phone. As shown in FIGS. 1 to 4, the mobile phone includes a telephone body having a main unit 10 and a battery unit 11, and a cover 12 that can be opened and closed. The main unit 10 incorporates an antenna 13 on an upper surface, a speaker 14 on an upper front surface, and an operation unit 15 including a liquid crystal display panel and push buttons on a lower front surface. The battery unit 11 is mounted on the back of the main unit 10. The lower end of the cover 12 is pin-connected to the main unit 10 and covers the operation unit 15 indicated by a solid line in FIG. 2, a position exposing the operation unit 15 indicated by a two-dot chain line, and a battery unit indicated by a one-dot chain line. 11 can be rotated to a position on the back.

FIG. 5 shows the main unit 10 and the battery unit 1.
1 and details of a cover 12 are shown. The main body unit 10 has a thin rectangular parallelepiped shape, but is provided with a recess 16 having a width equal to the width of the main body unit 10 at a lower portion of the front surface and a recess 17 having a width equal to the width of the main body unit 10 at a lower portion of the rear surface. The upper back is high and each lower is lower. The antenna 13 is erected on the upper surface of the main unit 10, the speaker 14 is disposed on the upper front of the main unit 10, the push button 18 and the liquid crystal display panel 19 are disposed in the recess 16 on the lower front, and the connection connector 20 for facsimile etc. It is built into the lower surface. The battery unit 11 is mounted in a recess 17 at the lower back of the main unit 10. The battery unit itself has a substantially rectangular parallelepiped shape, the width is the same as that of the main unit 10, and the height is a recess 1 at the lower back of the main unit 10.
Equal to a height of seven. The cover 12 has a microphone 21 incorporated in the upper part of the inner surface thereof.
It is rotatably attached to the lower part.

The cover is attached to the telephone body by connecting an arm 23 formed by a notch 22 at the bottom of the cover 12 to a projection 24 at the bottom of the main unit 10 by a pin 25.

The projection 24 has a lower end protruding from the lower surface of the main unit 10 and is provided integrally with the main unit 10 at the center of the lower part of the recess 16 at the lower front of the main unit 10. The front surface of the projection 24 is flush with the upper front surface of the main unit 10, and has a width smaller than the width of the main unit 10. The battery unit 11 is provided with a projection 26 on the lower surface. The protrusion 26 has a height and a width of the main unit 1.
The protrusions 24 are the same as the protrusions 24, and are thinner than the battery unit 11. When the battery unit 11 is mounted on the back of the main unit 10, the back matches the upper part of the back of the main unit 10, and the protrusion 26
Of the projection 24. The connector 20 for connecting to an external device such as a facsimile is incorporated in the projection 24 with the connection port facing downward.

The notch 22 is provided at the center of the lower end of the cover 12. The notch itself is slightly larger in height and width than those of the projections 24 of the main unit 10. Arm 2 formed on both sides of notch 22 in cover 12
3 are provided with holes 27 on the surfaces facing each other. A portion of the cover 12 excluding the notch 22 has a flat front surface and a recess on the rear surface. A cushion material 28 is accommodated in the recess. The microphone 21 is located below the cushion material 28 and
Built in.

The attachment is performed by fitting the holes 27 into the pins 25 planted on both sides of the projection 24 of the main unit 10 in the telephone body, and fitting the notch 22 into the projection 24. The cover 12 has an angle 18 from the front of the main unit 10 about the pin 25 as the center of rotation.
Opening by 0 ° or more, rotation can be performed to the position shown by the dashed line in FIG. 2 where the front surface contacts the lower surface 29 of the battery unit 11. At this time, since the pins 25 are arranged on the protrusions 24 and located at a position lower than the lower surface 29 of the battery unit 11, when the cover 12 is fully rotated, the front surface contacts the lower surface 29 of the battery unit 11 and is free. The end is at a position higher than the lower surface of the main unit 10 and the lower surface 29 of the battery unit 11, that is, higher than the lower surface of the telephone body. Although not shown, a friction member is arranged between the pin 25 and the cover 12, and an intermediate position between the position where the cover 12 is shown by a dashed line in FIG. It can be stopped at the position indicated by the two-dot chain line.

The portable telephone is carried with the cover 12 closed as shown in FIGS. The operation unit 1 in which the cover 12 is provided on the main unit 10 of the telephone body
The phone does not malfunction because it covers the phone number 5. When using, open the cover 12 to the position shown by the two-dot chain line in FIG.
The operation unit 15 of the telephone body is exposed. In this state, when the mobile phone is brought close to the face, the speaker 14 is located at the ear and the microphone 21 is located at the ear.

When a signal is received on a table or a tabletop, the cover 12 is rotated to a position where the cover 12 comes into contact with the lower surface 29 of the battery unit 11 on the back of the main unit 10 as shown by a dashed line in FIG. In this state, when the mobile phone according to the present invention is placed on a top plate G such as a table or a desk,
As shown in FIG. 6, the lower surface of the protrusion 24 of the battery unit 11 and the free end of the cover 12 contact the top plate G, and the mobile phone is placed on the top plate G with the antenna 13 inclined upward, The antenna 13 moves away from the top plate G. For this reason, even if the top plate G is made of metal, reception can be performed with almost no absorption of radio waves.

When transmission / reception is performed by connecting to a facsimile or a personal computer, the cover 12 is rotated until the cover 12 comes into contact with the lower surface 29 of the battery unit 11 on the back of the telephone body, as shown by a dashed line in FIG. Then, the connector 31 of the connection cable 30 is inserted into the connector 20 at the lower portion of the telephone body, and the mobile telephone according to the present invention is mounted on a top plate G such as a desk or a table. When the portable telephone is mounted, as shown in FIG. 7, the free end of the cover 12 comes into contact with the top plate G, the cable 30 bends near the connector 31 and comes into contact with the top plate G, and the antenna 13 faces upward. It is placed on the top plate G in an inclined state. Transmission and reception of facsimile and the like are performed in this state. However, since the antenna 13 is separated from the top plate G, even if the top plate G is made of metal, almost no radio waves are absorbed.
Can send and receive facsimile.

[0017]

As described above, the mobile communication device according to the present invention can stand on a desk or a table by opening the cover, and can separate the antenna from the table or the desk. Even if is made of metal, the absorption of radio waves by these is reduced and transmission and reception can be performed reliably.

[Brief description of the drawings]

FIG. 1 is a front view showing one embodiment of a mobile communication device of the present invention.

FIG. 2 is a side view.

FIG. 3 is a rear view.

FIG. 4 is a bottom view.

FIG. 5 is an exploded perspective view.

FIG. 6 is a side view showing a certain use state.

FIG. 7 is a side view showing another use state.

FIG. 8 is a side view showing a usage state of a conventional mobile communication device.

[Description of Signs] 10, 11: Device main body 12 ... Cover 13 ... Antenna 15 ... Operation unit 20 ... Connector 22 ... Notch 23 ... Arm 24 ... Projection 25 ... Pin 30 ... Cable

Claims (2)

[Claims] 1. A mobile communication device having an apparatus main body having an antenna on an upper part and a cover rotatably mounted on the apparatus main body and covering an operation unit of the apparatus main body when closed, the apparatus main body protruding from a lower surface. The cover has a notch wider at the bottom than the protrusion, and the arm formed by the notch is arranged on both sides of the protrusion and is attached to the apparatus main body by pin connection to the protrusion. , A mobile communication device. 2. The mobile communication device according to claim 1, wherein the projection is provided with a connector for a cable for connecting to an external device including a facsimile.