JP2002141987A - Foldable portable radio communication apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a foldable portable radio communication apparatus in which a large loudspeaker capable of ringing an incoming melody and an incoming tone by large volume and which sufficiently demonstrates the function of various sounds. SOLUTION: The loudspeaker 4 for an incoming call is incorporated on the back surface side of an upper case 2a, a hole 5 for the loudspeaker for passing through the sound emitted from the loudspeaker 4 for the incoming call is formed and the back surface side of a lower case 2b is made into a plane 8 largely from the center so as to be used as a bottom surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable portable radio communication device.

[0002]

2. Description of the Related Art In recent years, portable telephones have rapidly become widespread as portable radio communication devices. In particular, foldable portable telephones having both design beauty and compactness have become increasingly popular. .

FIG. 4 shows an example of a conventional foldable mobile phone, wherein 1 is a mobile phone, 2 is a housing of the mobile phone 1, and the foldable mobile phone 1 is a housing. 2 is divided into an upper housing 2a as a first housing and a lower housing 2b as a second housing, and these are rotatably connected to each other via a hinge portion 3. are doing.

In the case of the foldable portable telephone 1 as described above,
A function has been developed that has a function that can express a variety of tones and a function that allows you to download the latest hit songs and register it as an original ringtone. Conventionally, the speaker is built in a side surface portion of the upper housing 2a or a side surface portion of the lower housing 2b, and a speaker hole for passing a sound emitted from the incoming speaker is formed at a corresponding position. Was like that.

[0005]

However, as described above, when the incoming speaker is built in the side portion of the upper housing 2a or the side portion of the lower housing 2b, a large speaker is attached due to space restrictions. This made it difficult to ring a melody or ringtone at a high volume, and could not make full use of various sound functions.

SUMMARY OF THE INVENTION In view of the above circumstances, the present invention provides a foldable portable radio communication system capable of installing a large speaker capable of sounding a ringtone or a ringtone at a large volume and sufficiently exhibiting various sound functions. It is intended to provide a device.

[0007]

SUMMARY OF THE INVENTION The present invention relates to a foldable portable radio communication apparatus in which a first housing and a second housing are rotatably connected to each other via a hinge. In addition to having a built-in incoming speaker on the back side of the housing, a speaker hole for passing sound emitted from the incoming speaker is provided, and the back side of the other housing is a bottom surface. The present invention relates to a foldable portable wireless communication device.

[0008] In the foldable portable radio communication device,
An antenna accommodating projection for accommodating an antenna is formed on the back side of one of the housings in which the incoming call speaker is built. When the back side of the one housing is placed downward, a speaker hole is formed. It is desirable that the provided portion is configured to be floated without being grounded by the antenna housing convex portion.

According to the above means, the following effects can be obtained.

As described above, a speaker for receiving a call is built in the rear side of one of the housings, and a hole for a speaker for passing a sound emitted from the speaker for receiving a call is formed.
If the back side of the other housing is set to the bottom, unlike the conventional case where the speaker for incoming calls is built in the side part of the housing, it is possible to attach a large speaker without being limited by space. In addition, a ringtone melody and a ringtone can be sounded at a high volume, and the various sound functions can be fully utilized.

In the above-mentioned foldable portable radio communication device, an antenna housing convex portion for housing an antenna is formed on the back side of one of the housings in which the incoming call speaker is built. When the side in which the speaker holes are formed is configured to be floated without being grounded by the antenna housing convex portion when the side is placed downward, the first housing and the second housing can be folded or unfolded. In the state where
Even if the rear side of one of the housings with the built-in incoming speaker is placed face down, the part where the speaker hole is drilled will not be blocked, so the incoming melody or ring tone will be missed when receiving an incoming call. It is effective without worry.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 3 show an example of an embodiment of the present invention. In the drawings, the portions denoted by the same reference numerals as those in FIG. 4 represent the same components, and the basic configuration is shown in FIG. The present embodiment is the same as the conventional one shown in FIG. 1 except that the incoming speaker 4 is built in the back side of the upper housing 2a as shown in FIGS. 4 in that a speaker hole 5 for passing the sound emitted from the speaker 4 is formed.

In the illustrated example, the rear side of the lower housing 2b is made larger from its center by a plane 8 so that it is recognized as a bottom surface. Leg pieces 9a, 9
b is also provided.

Further, in the case of the illustrated example, an antenna housing projection 7 for housing the antenna 6 is formed on the back side of the upper housing 2a, and when the back side of the upper housing 2a is placed downward, The portion where the speaker hole 5 is drilled is lifted by the antenna housing convex portion 7 without being grounded.

Next, the operation of the illustrated example will be described.

As described above, the incoming call speaker 4 is built in the rear side of the upper housing 2a, and the incoming call speaker 4
When the speaker hole 5 for passing the sound emitted from the speaker is formed, unlike the conventional case, the incoming speaker is built in the side portion of the upper housing 2a or the side portion of the lower housing 2b. In addition, a large speaker can be attached without being restricted by space, a ringtone melody and a ringtone can be sounded at a large volume, and various sound functions can be fully utilized.

In the illustrated example, the rear side of the lower housing 2b is made larger from the center thereof by a plane 8 so as to be recognized as a bottom surface. Leg pieces 9a, 9
Since the upper case 2b is also provided, the user can place the lower case 2b with the upper case 2a and the lower case 2b folded down without any hesitation. The portion where the speaker hole 5 is formed on the back side of 2a is placed upward, so that the incoming melody and ring tone can be heard well.

Further, in the case of the illustrated example, an antenna housing projection 7 for housing the antenna 6 is formed on the back side of the upper housing 2a, and when the back side of the upper housing 2a is placed downward, Since the portion in which the speaker hole 5 is drilled is floated without being grounded by the antenna housing convex portion 7, in a state where the upper housing 2a and the lower housing 2b are folded, as shown in FIG. Even if the rear side of the upper housing 2a is placed downward, the portion where the speaker hole 5 is drilled is not closed, and there is no fear of missing a ringtone or a ringtone at the time of an incoming call. Become.

Incidentally, even if the upper housing 2a and the lower housing 2b are not in a folded state but in an unfolded state, and the rear side of the upper housing 2a is placed downward, the same as described above. The portion where the hole 5 is formed is not closed, and there is no fear of missing a ringtone or a ringtone when a call is received.

In this way, a large speaker capable of emitting a ring tone or a ring tone at a large volume can be installed, and various functions of sound can be sufficiently exhibited, and the rear side of the upper housing 2a is placed downward. Also in this case, it is possible to prevent the portion where the speaker hole 5 is formed from being closed, and it is possible to surely hear the incoming call melody and the incoming call sound at the time of the incoming call.

The foldable portable radio communication device according to the present invention comprises:
It is needless to say that the present invention is not limited to the above illustrated examples, and various changes can be made without departing from the gist of the present invention.

[0023]

As described above, the first aspect of the present invention is as described above.
According to the foldable portable wireless communication device described above, a large speaker capable of sounding a ringtone or a ringtone at a large volume can be installed, and an excellent effect that a variety of sound functions can be sufficiently exhibited can be obtained. According to the foldable portable wireless communication device of the second aspect of the present invention, in addition to the above-mentioned effects, furthermore, when the rear side of one of the housings in which the incoming call speaker is built is placed face down. In addition, it is possible to prevent the portion where the speaker hole is formed from being closed, and to achieve an excellent effect that the incoming call melody and the incoming call sound can be reliably heard at the time of the incoming call.

[Brief description of the drawings]

FIG. 1 is a rear view of an example of an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a diagram illustrating a case in which the upper housing and the lower housing are folded and the rear surface of the upper housing is placed downward;

FIG. 4 is a perspective view illustrating an example of a conventional foldable mobile phone.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cellular phone 2a Upper housing (first housing) 2b Lower housing (second housing) 3 Hinge part 4 Receiving speaker 5 Speaker hole 6 Antenna 7 Antenna storage convex part 8 Flat surface (bottom surface) 9a, 9b Leg piece

Claims (2)

[Claims] 1. A foldable portable wireless communication device comprising a first housing and a second housing rotatably connected to each other via a hinge, wherein the first housing and the second housing are attached to the back side of one of the housings. A foldable portable radio communication device having a built-in trust speaker, a speaker hole for allowing a sound emitted from the incoming speaker to pass therethrough, and a rear surface of the other housing being a bottom surface. . 2. An antenna housing convex portion for housing an antenna is formed on the back side of one of the housings in which the incoming call speaker is built, and when the back side of the one housing is placed downward, The foldable portable wireless communication device according to claim 1, wherein the portion provided with the speaker hole is lifted without being grounded by the antenna housing convex portion.