JP4313134B2 - Mobile terminal device - Google Patents

Description

  The present invention relates to a mobile terminal device.

  In recent years, small mobile terminal devices such as mobile phones and PHSs (simple mobile phones) have been rapidly spreading. In particular, to foldable mobile terminal devices that have both beauty and compactness in design. Is becoming more popular.

  FIG. 4 shows an example of a conventional foldable mobile terminal device, where 1 is a mobile terminal device, 2 is a housing of the mobile terminal device 1, and the foldable mobile terminal device 1 is a housing. The body 2 is divided into an upper housing 2a as a first housing and a lower housing 2b as a second housing, and these are connected to each other so as to be openable and closable via a hinge portion 3. It has the structure which consists of.

  The upper casing 2a is provided with a display 4 such as a liquid crystal display (LCD), while the lower casing 2b is provided with a number of keys 5 and a battery (not shown). Built in.

  In the case of the foldable portable terminal device 1 as described above, a device having a function capable of expressing various timbres, a function of downloading the latest hit song, etc., and registering it as an original ringtone has been developed. However, such a ringing melody or ringing speaker that rings a ringtone is conventionally built in the side surface portion of the upper housing 2a or the side surface portion of the lower housing 2b and passes the sound emitted from the ringing speaker. For this purpose, a speaker hole is made at a corresponding position.

  However, as described above, it is difficult to attach a large speaker due to space limitations if the incoming speaker is built in the side surface of the upper housing 2a or the side surface of the lower housing 2b. The sound could not be played at a high volume, and various sound functions could not be fully utilized.

  Therefore, in recent years, as shown in FIGS. 5 and 6, the incoming speaker 6 for ringing the incoming melody or the incoming tone is built in the back side of the lower housing 2 b, and the sound emitted from the incoming speaker 6 is used. In many cases, a speaker hole 7 for passing the sound is made at a corresponding position.

  Further, in the foldable portable terminal device 1 as described above, as shown in FIG. 7, the housing 2 is opened so that the display 4 can be seen when performing data communication or as a watch. In some cases, the housing 2 is placed on a desk or the like.

An example of a foldable portable terminal device 1 as shown in FIG.
JP 2002-141987

  By the way, in the foldable portable terminal device 1 as described above, when the speaker hole 7 is closed when the back side of the lower housing 2b is placed downward, the ringing tone emitted from the incoming speaker 6 is muffled. However, it is difficult to reliably recognize incoming calls, but as a recent trend, the display 4 has become larger, and a CCD camera, rear LCD, earphone jack, etc. are mounted on the upper housing 2a. In many cases, the weight on the upper housing 2a side is heavy. For this reason, the housing 2 is opened on a desk or the like with the housing 2 opened so that the display 4 can be seen. When placed, the opened housing 2 is tilted toward the upper housing 2a and is not stable, making it inappropriate to operate the keys 5 while looking at the display surface.

  In order to avoid such inconvenience, conventionally, as shown in FIGS. 5 to 7, an antenna housing convex portion 9 in which the antenna 8 is housed at both width end portions in the vicinity of the hinge portion 3 on the back surface of the lower housing 2 b. By providing the projection 10, the speaker hole 7 is not blocked when the back side of the lower housing 2 b is placed downward, while the housing 2 is opened on a desk or the like. When placed, the lower housing 2b is inclined so that the hinge 3 side is slightly higher, so that the opened housing 2 is prevented from tilting toward the upper housing 2a, and balance is maintained. It was done to stabilize.

  However, in the vicinity of the hinge portion 3 on the back surface of the lower housing 2b, the lower housing 2b which is originally divided into two on the front side (the surface side on which the key 5 is disposed) and the back surface side is assembled and fixed. A plurality of recesses 12 into which the fixing screws 11 are screwed are provided. In addition to these recesses 12, the antenna housing projections 9 and the projections 10 for balancing as described above are provided. A large space is required in the vicinity of the hinge portion 3 on the back surface of the body 2b, and the housing 2 itself has a drawback of becoming large.

  Also, if a hole is made in the protrusion 10 to be used as a hand strap attachment part, the position where the protrusion 10 as the hand strap attachment part is provided needs to be balanced. The position is limited to a certain distance, and the degree of freedom of the installation location is lost. However, since the space is easily restricted, the protrusion 10 as the hand strap attachment portion is arranged closer to the hinge portion 3 side. It has been difficult to meet the demands of wanting to.

  In view of such circumstances, the present invention has a function of floating a portion where a speaker hole is drilled without grounding, and a function of balancing one housing by being inclined so that the hinge side is slightly higher. And a convex part having the three functions of concealing the fixing screw by using an existing concave part provided in the vicinity of the hinge part on the rear side of the one casing, It does not require a large space near the hinge part on the back of the body, can reduce the size of the housing, and satisfies the demand to place the protrusion as the hand strap attachment part closer to the hinge part side It is intended to provide a portable terminal device that can be used.

The present invention relates to a mobile terminal device in which a first housing and a second housing are rotatably connected to each other so as to be opened and closed via a hinge portion.
Built-in speaker on the back side of one of the first casing and the second casing;
A hole for a speaker that is perforated on the back side of the one housing and allows a sound emitted from the speaker to pass through;
Two fixing screws that are screwed into the recessed portion provided in the recessed portion on both sides of the speaker hole in the vicinity of the hinge portion on the back side of the one housing;
Each of the two fixing screws is disposed so as to be blindfolded, and when the back side of the one casing is placed downward, the portion where the speaker hole is drilled is floated without being grounded. Two protrusions, and
The portable terminal device is characterized in that the speaker hole is located on a line connecting the two convex portions .

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

  When configured as described above, when the back side of one housing is placed downward, the portion where the speaker hole is drilled is floated without being grounded by the convex portion, and the speaker hole is not blocked. As a result, the ring tone generated from the incoming speaker does not become too small and the incoming call can be reliably recognized.

  When the case is placed on a desk or the like with the case open so that the display can be seen for data communication or as a watch, one of the cases is hinged by the projection. By being inclined so that the part side is slightly higher, it is possible to prevent the open casing from tilting toward the other casing, and it is possible to balance and stabilize the operability. .

  Furthermore, the convex portion is arranged so as to hide the fixing screw screwed into the concave portion provided in the vicinity of the hinge portion on the back side of one housing, so that the fixing screw cannot be seen from the outside. The appearance can be improved.

  In this way, the function of floating the portion where the speaker hole is drilled without grounding, the function of balancing one casing so that its hinge part side is slightly raised, and the fixing screw By using the existing concave part that is recessed near the hinge part on the back side of one housing, the convex part that has the three functions of blindfolding is arranged, so that the antenna storage convex part as before Unlike the case where individual protrusions for balancing are provided, there is no need for a large space near the hinge part on the back of the one case, and the case itself can be prevented from becoming large. It becomes.

  In addition, the position where the protrusion as the hand strap attachment portion is provided does not need to consider the balance when the case is placed on a desk or the like with the housing open, so that it is at a position somewhat away from the antenna housing convex portion. It is not limited, and the degree of freedom of the installation location is increased, but it is also difficult to be restricted by space, so that the request for placing the protrusion as the hand strap attachment portion closer to the hinge portion side is satisfied. It is also possible.

In the portable terminal device, it is effective to form the two convex portions with an elastic member such as rubber or sponge, and in this way, when there is an incoming call when setting the vibrator, the vibration of the vibrator is accompanied. While the mobile terminal device can be prevented from moving on a desk or the like, it is also possible to prevent a loud sound from being generated with the vibration of the vibrator.

Further, in the above portable terminal device, the protruding amount of the protrusion amount from the back surface of the one housing of the two convex portions, from the back of the one housing part in which the speaker hole is bored It is desirable to make it larger by the required amount. In this way, it is possible to reliably prevent the speaker hole from being blocked.

  According to the portable terminal device of the present invention, the function of floating the portion where the speaker hole is drilled without grounding, and the function of balancing one housing by being inclined so that the hinge portion side is slightly higher And a convex part having the three functions of concealing the fixing screw by using an existing concave part provided in the vicinity of the hinge part on the rear side of the one casing, It does not require a large space near the hinge part on the back of the body, can reduce the size of the housing, and satisfies the demand to place the protrusion as the hand strap attachment part closer to the hinge part side An excellent effect can be achieved.

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

  1 to 3 show an example of an embodiment of the present invention. In the figure, the same reference numerals as those in FIGS. 4 to 7 denote the same components, and the basic configuration is shown in FIGS. Although the same as the conventional one shown in FIG. 7, the feature of this example is that, as shown in FIGS. 1 to 3, an incoming speaker 6 is built in the back side of the lower housing 2 b, and A hole 7 for a speaker for passing a sound emitted from the incoming speaker 6 is formed, and a portion where the speaker hole 7 is formed when the back side of the lower housing 2b is placed downward is formed. The projecting portion 13 for floating without being grounded is arranged so as to cover the fixing screw 11 screwed into the recessed portion 12 recessed near the hinge portion 3 on the back side of the lower housing 2b.

  The convex portion 13 is formed of an elastic member such as rubber or sponge.

  The protrusions 13 are disposed on both sides of the portion where the speaker hole 7 is formed, and the protruding amount H of the protrusion 13 from the back surface of the lower housing 2b is determined by the speaker hole 7. The required amount is larger than the protruding amount h of the provided portion from the back surface of the lower housing 2b.

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

  With the configuration as described above, when the back side of the lower housing 2b is placed downward, the portion in which the speaker hole 7 is formed is floated without being grounded by the convex portion 13, so that the incoming speaker The ringing tone emitted from 6 does not become too small and the incoming call can be reliably recognized.

  Further, when the housing 2 is placed on a desk or the like with the housing 2 opened so that the display 4 can be seen for data communication or use as a clock, the lower housing 2b is formed by the convex portion 13. By tilting the hinge part 3 so as to be slightly higher, the opened casing 2 is prevented from tilting toward the upper casing 2a, and can be balanced and stabilized. The operability is improved.

  Furthermore, the convex portion 13 is disposed so as to conceal the fixing screw 11 screwed into the concave portion 12 provided in the vicinity of the hinge portion 3 on the back side of the lower housing 2b. Becomes invisible from the outside, and the appearance can be improved.

  As described above, the function of floating the portion where the speaker hole 7 is drilled without being grounded, the function of balancing the lower housing 2b by inclining so that the hinge portion 3 side is slightly higher, and fixing Since the convex portion 13 having the three functions of blinding the screw 11 is disposed by using the existing concave portion 12 provided in the vicinity of the hinge portion 3 on the back side of the lower housing 2b, In addition, unlike the case in which the protrusions 10 for balancing the antenna housing projection 9 are individually provided, a large space is not required in the vicinity of the hinge portion 3 on the back surface of the lower housing 2b. It can also be avoided that the device itself becomes large.

  In addition, as shown by the phantom line in FIG. 1, the position where the protrusion 10 ′ as the hand strap attachment portion is provided does not take into account the balance when the housing 2 is placed on a desk or the like in an open state. Therefore, it is not limited to a position away from the antenna housing convex portion 9 to some extent, and the degree of freedom of the installation location is increased, but it is difficult to receive space restrictions. It is also possible to satisfy the requirement that 10 ′ is arranged closer to the hinge 3 side.

  On the other hand, in the illustrated example, since the convex portion 13 is formed of an elastic member such as rubber or sponge, when an incoming call is received when the vibrator is set, the mobile terminal device 1 is connected to the desk with the vibration of the vibrator. While it is possible to suppress movement due to the upper level, it is also possible to suppress generation of a loud sound due to vibration of the vibrator.

  Further, in the illustrated example, the convex portions 13 are arranged on both sides of the portion where the speaker hole 7 is formed, and the protruding amount H of the convex portion 13 from the back surface of the lower housing 2b is set as the speaker hole. Since the protruding amount h from the back surface of the lower housing 2b of the portion in which the 7 is drilled is increased by a required amount, the speaker hole 7 can be reliably prevented from being blocked.

  In this way, the function of floating the portion where the speaker hole 7 is drilled without being grounded, the function of balancing the lower housing 2b so that the hinge 3 side is slightly raised, and the fixing screw 11 By disposing the convex portion 13 having the three functions of blindfolding using the existing concave portion 12 formed in the vicinity of the hinge portion 3 on the back side of the lower housing 2b, the rear surface of the lower housing 2b is arranged. There is no need for a large space in the vicinity of the hinge portion 3, the housing 2 can be miniaturized, and the protrusion 10 ′ as the hand strap attachment portion is desired to be placed closer to the hinge portion 3 side. Can also be satisfied.

  Note that the portable terminal device of the present invention is not limited to the above-described illustrated examples, and it is needless to say that various modifications can be made without departing from the gist of the present invention.

It is a rear view of the lower housing | casing of the portable terminal device in an example of Embodiment which implements this invention. It is the figure which put on the desk etc. in the state which closed the housing | casing of the portable terminal device in an example which implements this invention, and was seen from the hinge part side. It is the figure which put it on a desk etc. in the state which opened the housing | casing of the portable terminal device in an example of embodiment which implemented this invention, and was seen from the side surface. It is a perspective view showing an example of the conventional foldable mobile phone. It is a rear view of the lower housing | casing of the portable terminal device in a prior art example. It is the figure which put on the desk etc. in the state which closed the housing | casing of the portable terminal device in a prior art example, and was seen from the hinge part side. It is the figure which it put on a desk etc. in the state which opened the portable terminal device in the prior art example, and was seen from the side.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Portable terminal device 2 Case 2a Upper case (first case)
2b Lower housing (second housing)
3 Hinge 6 Incoming speaker 7 Speaker hole 11 Fixing screw 12 Concave 13 Convex H Protrusion H Protrusion

Claims (3)

In a mobile terminal device in which the first housing and the second housing are connected to each other so as to be openable and closable via a hinge portion.
Built-in speaker on the back side of one of the first casing and the second casing;
A hole for a speaker that is perforated on the back side of the one housing and allows a sound emitted from the speaker to pass through;
Two fixing screws that are screwed into the recessed portion provided in the recessed portion on both sides of the speaker hole in the vicinity of the hinge portion on the back side of the one housing;
Each of the two fixing screws is disposed so as to be blindfolded, and when the back side of the one casing is placed downward, the portion where the speaker hole is drilled is floated without being grounded. Two protrusions, and
The portable terminal device , wherein the speaker hole is located on a line connecting the two convex portions . The portable terminal device according to claim 1, wherein the two convex portions are formed of an elastic member. The protrusion amount from the back of the one housing of the two convex portions, according to claim 1, wherein the speaker holes is increased by predetermined amount than the projecting amount from the back surface of the one housing of the bored portion Or the portable terminal device of 2.

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