JP2845830B2 - Portable electronic devices - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable electronic device having a speaker for a tone dialer function or a notification function.

[0002]

2. Description of the Related Art As a conventional portable electronic device having a speaker for a conventional tone dialer function or a notification function,
For example, those shown in FIGS. 17 and 18 are known. FIG.
In FIGS. 7 and 18, reference numeral 1 denotes a housing, and the housing 1 includes a front housing case 2 and a rear housing cover 3. The rear housing cover 3 is provided with a sound hole portion 4 formed of a plurality of sound holes 4a on a part of the back surface, and inside the rear housing cover 3, as shown in FIG. And a rib 3a that matches the outer diameter of the speaker 5 and protrudes and contacts the printed circuit board 6. Also,
In a device mounted state, the speaker 5 is pressed in a ring shape between the front surface of the speaker 5 and the inner surface of the rear housing cover 3, and the sound discharged from the speaker 5 is sealed so as not to leak to the sound hole 4. A packing 7 is provided. A ring-shaped soft rubber bushing protruding at a certain height is provided around the sound hole 4 for use in close contact with the flat transmitting section 8a of the telephone 8 as shown in FIG. A unit 9 is provided.

[0003]

In recent years, cellular phones, cordless phones, and PHSs have been diversified in shape and design.
There are various shapes in the transmitting section such as. On the other hand, in order to normally operate the tone dialer function and the like, the sound emitted from the speaker needs to be in close contact with the transmitting section due to its sound quality and sound pressure characteristics. However, in the above-mentioned conventional portable electronic device, the sound emitted from the speaker is limited because the sound hole 4 is located only on a part of the rear surface of the rear housing cover 3.
It was emitted only toward the back of the rear housing cover 3 as viewed from the speaker. However, whether or not the sound emission direction is suitable for use depends on the shape of the transmitting section of the telephone set to be used.

In addition, the packing 7 and the bushing 9
This has led to an increase in the number of parts and assembling man-hours, and has been a problem as a factor preventing cost reduction.

In a conventional portable electronic device,
When the operation switches for driving the speakers are arranged at various positions on the housing 1 and the operation switches are arranged at a place away from the sound hole 4, a sound is generated at the time of use. Since it is difficult to recognize the position of the hole 4, it is difficult to position the transmitting unit 8a and the sound hole 4 and it is difficult to use.

The present invention has been made in view of the above circumstances, and a first object of the present invention is to provide a portable electronic device which is easy to use and does not depend on a transmitting section having various shapes.

A second object is to provide an inexpensive portable electronic device by reducing the number of parts.

A third object is to provide a portable electronic device in which the position of the sound hole can be easily recognized at the time of use.

[0009]

In order to solve the above-mentioned problems, the portable electronic device of the present invention employs the following means. That is, the portable electronic device according to claim 1 includes a box-shaped housing, a speaker disposed in the housing, and a driving circuit of the speaker, and sounds of the speaker driven by the driving circuit are provided. In a portable electronic device configured to emit outside through a sound hole formed in the housing, the sound hole may be a first sound hole formed in one wall of the housing. And a second sound hole formed in a wall including a part of the second wall intersecting at least the one wall separated from the first sound hole , In the housing,
A holder for holding the speaker is arranged, and the holder is
A holder for holding the speaker, and a speaker emitted from the speaker.
A first wall portion for guiding sound to the first sound hole portion;
A second wall for guiding sound emitted from the mosquito to the second sound hole
And a unit . With this portable electronic device, the sound emitted from the speaker is discharged from the first sound hole and the second sound hole. That is, since the sound is discharged in two directions at the same time, it is possible to select one of the sound discharging directions according to the shape of the transmitting section of the telephone used. In addition, the third
One wall and second wall prevent sound from leaking in two directions at the same time.
I can guide you.

According to a second aspect of the present invention, in the portable electronic device according to the first aspect, the housing has upper, lower, left, and right side surfaces and front and back surfaces, and a dimension between the front and back surfaces is between the upper and lower surfaces and the left and right sides. It is a rectangular parallelepiped shape smaller than the face-to-face dimension, the first sound hole is formed on one of the front and back surfaces, and the second sound hole is any of the upper and lower or left and right side surfaces It is characterized by being formed on such a surface. This portable electronic device has a configuration in which the shape of the transmitting section of the telephone does not have a sufficiently flat area to use the first sound hole, and the portable electronic device has a smaller surface than the first sound hole. It is preferable to use a second sound hole formed on the side surface having a small area.

According to a third aspect of the present invention, there is provided the portable electronic device according to the first aspect, wherein the housing has upper, lower, left and right side surfaces and front and back surfaces, and a dimension between the front and back surfaces is set between the upper and lower surfaces and the left and right surfaces. It is a rectangular parallelepiped shape smaller than the face-to-face dimension, the first sound hole is formed on one of the front and back surfaces, and the second sound hole is one of the front and back surfaces. It is characterized in that it is formed at a corner where the surface intersects one of the upper and lower or left and right side surfaces. In this portable electronic device, since the second sound hole is formed at the corner, the sound is emitted from the second sound hole in the direction in which the sound is emitted from the first sound hole. The direction can be diagonal. Therefore, it is preferable to use it when the transmitting section of the telephone to be used is formed obliquely.

[0012]

A portable electronic device according to a fourth aspect is characterized in that :
The portable electronic device according to any one of 1 to 3,
An electronic circuit including the drive circuit is provided in the housing.
Printed circuit board is fixed, and the printed circuit board is
A notch or hole for attachment of the holder is formed, and the holder has
An engagement projection is formed to fit into the notch or hole . In this portable electronic device, the holder can be firmly fixed to the printed circuit board by the engagement projection provided on the holder.

[0014] The portable electronic device of claim 5, claim
The portable electronic device according to any one of 1 to 4,
Te, wherein the holder is characterized that you are made of an elastic material. In this portable electronic device, since the holder has elasticity, the speaker can be easily set on the holder, and the first wall and the second wall can be in close contact with the inner surface of the housing without any gap. Therefore, the effect of sound sealing is enhanced.

[0015] The portable electronic device according to claim 6 is a portable electronic device.
The portable electronic device according to any one of 1 to 5,
In the housing, a through hole is formed around the first sounding hole or the second sounding hole, and the holder has a bushing portion projecting outside through the through hole. It is characterized by being formed. The bushing part comes into close contact with the transmitting part of the telephone during use, and has a function that the sound hole can be stably arranged in the transmitting part.

[0016] A portable electronic device according to a seventh aspect of the present invention is a portable electronic device.
The portable electronic device according to any one of 1 to 6,
The housing is provided with an operation switch for driving the speaker, which is located near the first sound hole or the second sound hole. .
According to this portable electronic device, since the operation switch is disposed near the sound hole, the sound hole is located near the finger that presses the operation switch during use. Becomes easier to recognize.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 5 are views showing a first embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a housing. The housing 1 is composed of a front housing case 2 and a rear housing cover 3. It has a rectangular parallelepiped shape smaller than the dimension C between the left and right surfaces. A first sound hole 15 is formed in a rear wall 3a (one wall) of the rear housing cover 3.
Is the side wall 3b (the second wall) on the side of the back housing cover 3.
Is formed with a second sound hole 16. The first sound hole 15 and the second sound hole 16 are respectively composed of a plurality of sound holes 15a and a sound hole 16a.
2 to 4 show the inside of the housing 1 in a mounted state, in which a speaker 5, a printed circuit board 6, and a holder 17 are arranged.

As shown in FIG. 5, the speaker 5 is
7 is fixed to the holding portion 17a having a circular concave shape. In addition, 5a is a lead wire of the speaker.

The printed circuit board 6 is provided with an electronic circuit including a drive circuit for the speaker 5, and is arranged so that the holder 17 is placed thereon. The printed board 6 is provided with a notch 6 a for locking the holder 17.

The holder 17 is arranged so as to be pressed against the inner surface of the rear housing cover 3 via the printed circuit board 6 by the support rib 2a provided on the inner surface of the front housing case 2. The holding member 17 has a holding portion 17a for fixing the speaker 5, and is in close contact with the inner surface of the rear housing cover 3 in a mounted state, so that the first sound hole portion 15 and the second sound A first wall portion 17b and a second wall portion 17c, which are guide portions for guiding the sound emitted from the speaker 5 to the sound hole portion 16 without leaking, and a hook that matches a plurality of notches 6a provided on the printed circuit board 6. The claw-shaped engaging projections 17d are provided at the same time, and are integrally formed of an elastic material such as rubber. Then, the holder 17 is attached to the printed board 6 by the engagement protrusion 17d.
Are fixed by engaging with the notches 6a. In this case, the speaker 5 is held at a fixed position by the first wall portion 17b of the holder 17.

With the above structure, the sound emitted from the speaker 5 is transmitted to the first sound hole 15 by the first wall 17b of the holder 17 and the second sound hole 16 by the second wall 17c.
The first sound hole 15 and the second sound hole 16 are finally discharged.
Therefore, at the time of use, as shown in FIG.
When the transmitting section 8a is flat, the rear housing cover 3
If the first sound hole portion 15 provided in the above is used, it is easy to use. On the other hand, since the telephone 19 as shown in FIG. 7 has a portion protruding forward around the transmitting section 19a, the first sound hole 15
Does not have a sufficiently flat area to use. In such a case, the second sound hole portion formed on the second wall portion 3b having a smaller area than the one wall portion 3a on which the first sound hole portion 15 is formed. Preferably, 16 is used. Thus, the position of the sound hole can be properly used according to the shape of the transmitting section.

On the other hand, since the holding member 17 is made of a material having elasticity such as rubber, the holding member 1 can be mounted in the mounted state.
Since the first wall portion 17b and the second wall portion 17c provided on the base 7 stably adhere to the inner surface of the rear housing cover 3, the sound emitted from the speaker 5 can be guided without leakage. Becomes Further, since the holding member 17 is integrally formed, the above-described function of sealing the sound without leakage by the first wall portion 17b and the second wall portion 17c.
The function of holding the speaker 5 by “a” and the function of locking the holder 17 to the printed circuit board 6 by the engagement projection 17d can be combined at the same time with one component.

In this embodiment, the holder 17
The notch 6a is provided in the printed circuit board 6 in order to lock the notch on the printed circuit board 6, but the notch 6a may be a hole.

FIGS. 8 and 9 show a second embodiment of the present invention. The difference from the first embodiment is that the second sound hole 16 intersects one wall 3a provided with the first sound hole 15 and the second wall 3b which is a side surface thereof. This is a point provided in the corner portion 20 which is formed.

With this configuration, as in the above-described first embodiment, the first sound hole 15 and the second sound hole 16 allow the sound emitted from the speaker 5 to be discharged in two directions. In addition to the above, since the second sound hole 16 is formed in the corner 20, the sound generated by the second sound hole 16 corresponds to the direction in which the sound is emitted by the first sound hole 15. Can be inclined. In use, FIG.
When the transmitting section 8a is flat like the telephone 8 shown in FIG. 1, the first sound hole section 15 provided on the rear housing cover 3 is easy to use as in the first embodiment. However, FIG.
When the transmitting section 21a is inclined as in the telephone 21 shown in FIG. 1, the second sound hole 16 provided in the corner 20 of the housing 1 is effective.

FIGS. 12 and 13 show a third embodiment of the present invention. The schematic configuration is the same as that of the first and second embodiments described above, but differs in that a through-hole is provided in the housing 1 and that the shape of the holder 17 is different. The through-hole is provided as a first through-hole 15b around the first sound hole 15 and as a second through-hole 16b as a rectangular hole formed by the rear housing cover 3 and the front housing case 2. Was. Further, the holder 17 is provided with a first wall portion 17b.
A first bushing portion 17e provided so as to project a part of the second through-hole 15b from the first through-hole 15b;
A second bushing portion 17f having a rectangular cross section provided so as to protrude therefrom is additionally provided. The second bushing portion 17f also has a discharge hole for sound emitted from the speaker 5 having a rectangular cross section, and also has the function of the second sound hole portion 16.

With the above configuration, the first bushing portion 17e
The second bushing 17f makes close contact with the transmitting section of the telephone, so that the sound hole can be stably arranged in the transmitting section. In addition, since the holder 17 is integrally formed, the first wall portion 17b seals without sound loss, and the holding portion 17a holds the speaker 5 in addition to the function of the holder 17 in the first embodiment. Further, the first bushing section 17e and the second bushing section 17f
Accordingly, the function of using the sound hole portion and the transmitting portion in close contact with each other can be simultaneously provided by one component. At the time of use, when the transmitting section 8a of the telephone 8 is flat as shown in FIG. 14, the first ringing hole section 15 is used for ease of use, and as shown in FIG.
Is concave, the second sounding hole 16 formed by the second bushing 17f having a rectangular cross section is easy to use. In this case, the first bushing unit 17
By using e and the second bushing part 17f in close contact with the transmitting part of the telephone, the sound hole can be stably arranged.

In this embodiment, the second through hole 1
Although the shapes of the 6b and the second sound hole 16 are rectangular in cross section, they may be substantially elliptical.

FIG. 16 is a sectional view showing a fourth embodiment of the present invention in a mounted state. It has almost the same configuration as FIG. 4 shown in the first embodiment shown earlier,
The difference is that the operation switch 2 for driving the speaker 5
5 is arranged near the first sound hole 15 and the second sound hole 16. The operation switch 25 is disposed so as to partially protrude from a hole 2b formed in the front wall 2a of the front case 2. The operation switch 25 includes a switch 26 and a button 27, and is arranged such that the lower surface of the button 27 contacts the upper portion of the switch 26. The switch 26 is a printed circuit board 6
The speaker 26 is fixed to the rear surface with respect to a certain surface of the speaker 5, and the projection 26a at the top of the switch is provided with a switching mechanism for driving the speaker. The button 27 has a strip shape, and has a contact 27a protruding at one end thereof in contact with the projection 26a, and a finger partially protruding from the hole 2b on the opposite surface where the contact 27a is provided. A pressing portion 27b for pressing is provided. Further, the other end of the button 27 is fixed to the inner side surface of the front housing case 2, so that the pressing portion 27b is movable in the direction of pressing a finger. When trying to use a function such as a tone dialer function, the user presses the holding portion 27b of the button 27. Then, the force is transmitted to the protrusion 26a of the switch 26 via the contact 27a, and the switch 26 is turned on, and the speaker is driven. At this time, if the above configuration is adopted, since the button 27 is disposed near the sound hole, the position of the finger that presses the button 27 is close to the position of the sound hole. Recognition of the positions of the 15 and the second sound hole 16 is facilitated. In the present embodiment, the position of the operation switch 25 is provided on the front wall portion 2a of the front housing case 2; You may.

[0030]

As described above, according to the portable electronic device of the present invention, the following effects can be obtained. According to the portable electronic device of the first aspect, since the sound emitted from the speaker has two directions, the user can arbitrarily select the position of the sound hole to be used. In other words, it can be used without depending on the shape of the transmitting section of various types of telephones, and the effect of improving convenience at the time of use can be obtained. In addition, a holding section for holding the speaker and a speaker
The first wall that guides the sound emitted from the
And the second wall is provided in one holder,
The number of parts and assembly man-hours can be reduced, and cost
Can be planned.

According to the portable electronic device of the second aspect,
Since the second sound hole is provided on the side surface having a smaller area than the surface on which the first sound hole is formed, the shape of the transmitting section is sufficient to use the first sound hole. In the case where it does not have a flat area, it is possible to obtain an effect that convenience in use is particularly improved.

According to the portable electronic device of the third aspect,
By providing the second sound hole at the corner, it is possible to make the sound emission direction oblique, and when the shape of the transmitting part is oblique, the convenience in use is particularly improved. The effect is obtained.

[0033]

According to the portable electronic device of the fourth aspect,
By providing the holder with the engagement projection fixed to the printed circuit board, the number of components can be further reduced as compared with the portable electronic device according to the first aspect.

According to the portable electronic device of the fifth aspect,
Since the holder is made of an elastic material, it is easy to assemble, and furthermore, the effect of enhancing the sound sealing effect is achieved.

According to the portable electronic device of the sixth aspect,
A bushing section that stably adheres to the transmitter section is provided, improving convenience during use.In addition, a bushing section that is integrally formed with the holder is provided, reducing the number of parts and assembly steps. The cost can be reduced.

According to the portable electronic device of the seventh aspect,
Since the operation switch is arranged in the vicinity of the sound hole, the position of the sound hole can be easily recognized from the finger pressing the operation switch, and the effect that the convenience in use is improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a perspective view showing a mounting state of FIG. 1;

FIG. 3 is a sectional view taken along line bb of FIG. 2;

FIG. 4 is a cross-sectional view taken along a line cc in FIG. 2;

FIG. 5 is an exploded perspective view showing an internal mounting state of FIG. 1;

FIG. 6 is a diagram illustrating a use state of the embodiment of FIG. 1 (when the shape of a transmitting unit is flat);

FIG. 7 is a diagram illustrating a use state of the embodiment of FIG. 1 (when there is a portion protruding forward around a transmission unit);

FIG. 8 is a perspective view showing a second embodiment of the present invention.

FIG. 9 is a cross-sectional view illustrating the mounting state of FIG. 8;

FIG. 10 is a diagram illustrating a use state of the embodiment of FIG. 8 (when the shape of the transmitting unit is flat);

11 is a diagram illustrating a use state of the embodiment of FIG. 8 (when the shape of the transmitting unit is a slope).

FIG. 12 is a perspective view showing a third embodiment of the present invention.

13 is a cross-sectional view showing the mounting state of FIG.

14 is a diagram illustrating a use state of the embodiment of FIG. 12 (when the shape of the transmission unit is flat);

FIG. 15 is a diagram illustrating a use state of the embodiment of FIG. 12 (when the shape of the transmission unit is concave);

FIG. 16 is a sectional view showing a fourth embodiment of the present invention.

FIG. 17 is a perspective view showing a conventional example.

18 is a cross-sectional view showing the mounting state of FIG.

FIG. 19 is a diagram showing a use state of FIG. 17;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case 3a One wall part 3b Two wall parts 5 Speaker 6 Printed circuit board 15 First sound hole 15b First through hole 16 Second sound hole 16b Second through hole 17 Holder 17a Holder 17b First wall portion 17c Second wall portion 17d Engagement projection 17e First bushing portion 17f Second bushing portion 25 Operation switch

Claims (7)

(57) [Claims] 1. A box-shaped housing, a speaker disposed in the housing, and a driving circuit of the speaker, wherein a sound of a speaker driven by the driving circuit is generated by a sound formed in the housing. In a portable electronic device that emits sound through a sound hole, the sound hole includes a first sound hole formed in one wall of the housing and the first sound. A second sound hole formed in a wall portion including a part of the second wall portion intersecting at least the one wall portion and separated from the hole portion, and the speaker is provided in the housing. Holder to hold is arranged
The holding device includes a holding portion for holding the speaker,
Guide the sound emitted from the speaker to the first sound hole
The first wall and the sound emitted from the speaker
A portable electronic device, comprising: a second wall portion that leads to a sound hole portion . 2. The portable electronic device according to claim 1, wherein the housing has upper, lower, left and right side surfaces and front and back surfaces, and a dimension between the front and back surfaces is smaller than a dimension between the upper and lower surfaces and the left and right surfaces. And the first sound hole is formed on one of the front and back surfaces, and the second sound hole is formed on one of the upper and lower or left and right side surfaces. A portable electronic device characterized by the following. 3. The portable electronic device according to claim 1, wherein the housing has upper, lower, left, and right side surfaces and front and back surfaces, and a distance between the front and back surfaces is smaller than a distance between the upper and lower surfaces and the left and right surfaces. The first sound sound hole portion is formed on one of the front and back surfaces, and the second sound sound hole portion is formed on either one of the front and back surfaces and any of the upper and lower or left and right side surfaces. A portable electronic device characterized by being formed at a corner where a surface intersects. 4. A mobile according to any one of claims 1 to 3
In the belt-type electronic device, an electronic circuit including the drive circuit is provided in the housing.
The printed circuit board is fixed, and the printed circuit board has a holder.
A notch or hole for attachment is formed, and
A portable electronic device having an engagement protrusion fitted into a notch or a hole . 5. A mobile according to any one of claims 1 to 4
Te banded electronic apparatus odor, constituted the retainer from a resilient material
A portable electronic device according to claim that you have been. 6. The mobile according to any one of claims 1 to 5
In the belt-type electronic device, the housing includes the first sounding sound.
A through hole is formed around the hole or the second sound hole,
The retainer has a protrusion protruding outside through the through hole.
A portable electronic device having a shading portion . 7. A mobile according to any one of claims 1 to 6
In the belt-type electronic device, the housing includes the first sounding sound.
In the vicinity of the hole or the second sound hole,
A portable electronic device provided with an operation switch for driving the speaker .