CN1941809A - Portable terminal having bidirectional speaker - Google Patents

Abstract

The invention relates to a portable terminal with a two-way speaker, which is characterized in that it includes the following parts: a terminal body, which is formed with a sound hole for releasing the sound to the outside; a resonance part, which has a resonance space inside, and can be drawn out to The exterior of the above-mentioned terminal body furthermore has a first sound emitting hole penetrating through the thickness direction on one side plate and a second sound emitting hole separated from the first sound emitting hole along the length direction and penetrating the other side plate surface, The above-mentioned first sound-emitting hole is communicated with the above-mentioned body sound-emitting hole, and the above-mentioned second sound-emitting hole is cut off and accommodated inside the terminal body. 2. The sound hole is exposed and opened to the outside; the speaker is installed inside the above-mentioned resonance part for outputting sound. A portable terminal with a two-way loudspeaker can save costs, improve the space utilization rate and design freedom of the portable terminal, meet the needs of users, and increase the functionality and utility of the portable terminal.

Description

Portable terminal with two-way speaker

technical field

The present invention relates to a portable terminal with a two-way speaker. More specifically, it relates to a portable terminal that can save costs, improve the space utilization rate and design freedom of the portable terminal, meet the needs of users, and increase the functionality and functionality of the portable terminal. A practical portable terminal with a two-way speaker.

Background technique

FIG. 1 is a perspective view showing the structure of a conventional portable terminal, and FIG. 2 is a cross-sectional view showing a mounting structure of a speaker of a conventional portable terminal.

As shown in Figures 1 and 2, conventional portable terminals consist of a body part 20 and a flip part 30. The flip part 30 is combined with the body part 20 and is rotatable, and it can contact the body part 20 and close the body part 20. Front.

A pair of fuselage hinge parts 21 separated by a predetermined distance are formed on the upper end of the fuselage part 20. A flip cover hinge part 31 is formed on the flip cover part 30, and the flip cover hinge part 31 can be combined with the fuselage hinge part 21. between and can be rotated.

Inside the above-mentioned fuselage part 20, a printed circuit board (not shown) for performing various controls is accommodated, and a keypad 22 is provided on the front of the above-mentioned fuselage part 20, and the keypad 22 has multiple buttons for inputting information. keys. A battery 23 for supplying power is coupled to the body part 20, and the battery 23 is detachable.

The flip part 30 is composed of an inner casing 30a and an outer casing 30b that jointly form an accommodation space inside, and a liquid crystal display module 32 that can output image information is accommodated and installed in the interior of each of the above-mentioned casings 30a and 30b, and the liquid crystal display module 32 The display surface is exposed to the outside. Two speakers 41 and 42 for outputting sound to the inside and outside of the flip part 30 are mounted on the inner side of each of the casings 30a and 30b, respectively.

At the same time, on the inner shell 30a and the outer shell 30b corresponding to the above-mentioned speakers 41 and 42, there are sound holes 35 and 36 through which the sound output by the speakers 41 and 42 can be released to the outside.

However, with respect to conventional portable terminals, since the two speakers 41 and 42 for outputting sound to the inside and outside of the flip part 20 are installed separately, there is a problem of increased cost, and there are problems with workability and productivity due to increased assembly man-hours. Lower problem.

In addition, a certain space for installing the speakers 41 and 42 must be ensured inside the portable terminal, so there is a problem of low space efficiency and design freedom, and the size of the portable terminal is increased unnecessarily, hindering the realization of the terminal. miniaturization.

Contents of the invention

The present invention is proposed to solve the above problems, and its purpose is to provide a portable terminal with a two-way speaker, which can save costs, improve the space utilization rate and design freedom of the portable terminal, and can meet the needs of users, increase the Functionality and utility of a large portable terminal.

In order to achieve the above object, the present invention is characterized in that it includes the following parts: the terminal body, which is formed with a sound hole for the sound to be released to the outside; the resonance part, which has a resonance space inside, can be drawn to the outside of the terminal body , and, on one side plate, there is a first sound hole penetrating in the thickness direction and a second sound hole separated from the first sound hole along the length direction and penetrating the other side plate, the first sound hole and the The sound outlet of the body is open, and the second sound outlet is cut off and accommodated inside the terminal body. However, the second sound outlet can also be selectively exposed to the outside while the first sound outlet is blocked. And open; the loudspeaker, which is installed in the interior of the above-mentioned resonance part, is used for outputting sound.

Another feature of the present invention is that the resonance part is installed on the terminal body and can slide relatively along the direction of the board surface.

Another feature of the present invention is that the loudspeaker is composed of the following parts: a metal plate; piezoelectric elements, which are integrally laminated on both sides of the metal plate, and cause self-displacement according to the current signal connected.

Another feature of the present invention is that it further includes a shielding member: the shielding member is located between the terminal body and the resonance part, and prevents sound leakage at a position where the first sound outlet or the second sound outlet is blocked.

In summary, the portable terminal with two-way speakers of the present invention can use one speaker to achieve two-way output through the resonant part installed on the terminal body and relatively movable, so that it can not only save costs, but also improve the space of the portable terminal. Utilization rate and design freedom can also meet the needs of users and increase the effect of the functionality and utility of the portable terminal.

Description of drawings

FIG. 1 is a perspective view showing the structure of a conventional portable terminal.

FIG. 2 is a cross-sectional view showing a speaker mounting structure of a conventional portable terminal.

3 to 4 are perspective views showing the structure of the portable terminal with two-way speakers of the present invention.

5 to 6 are cross-sectional views showing the operating structure of the portable terminal with two-way speaker according to the present invention.

<Explanation of symbols in the main parts of the drawings>

110: terminal body; 120: body part;

130: clamshell part; 132, 133: liquid crystal display module;

134: Sound hole; 140: Loudspeaker;

141: Metal plate; 142: Piezoelectric element;

143: frame; 150: resonance department;

151: the first sounding hole; 152: the second sounding hole;

161: Masking member.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings.

3 to 4 are perspective views showing the structure of the portable terminal with two-way speakers of the present invention, and FIGS. 5 to 6 are cross-sectional views showing the operational structure of the portable terminal with two-way speakers of the present invention.

However, in describing the present invention, detailed descriptions of well-known functions or configurations are omitted in order to highlight the gist of the present invention.

As shown in Figures 3 to 6, a portable terminal with a two-way speaker according to an embodiment of the present invention includes the following parts: a terminal body 110, which is formed with a sound hole 134 for sound release to the outside; a resonance part 150 , which forms a resonance space inside, and has a first generating hole and a second generating hole for the sound to be released to the outside. It is accommodated inside the terminal body 110, but it can also be selectively led out to the terminal body 110. External: a speaker 140, which is installed inside the above-mentioned resonance part 150 for outputting sound.

The above-mentioned terminal body 110 includes a flip-type portable terminal, a bar-type portable terminal, a cover-type portable terminal, and a slide-type portable terminal that are commonly used recently. Wherein, the flip-type portable terminal has a body portion and a flip portion that can be unfolded, folded and rotated mutually. A bar type portable terminal has an input key for inputting a signal and a liquid crystal display unit integrally on the body. The cover type portable terminal has a cover combined with hinges on the body part, which can open and close the input key area of the above bar type terminal. The slide part of the slide type portable terminal can be opened and closed by sliding on the body part.

The above-mentioned case where the terminal body 110 is a flip-type portable terminal is described below as an example, that is, the flip-type portable terminal is composed of the following parts: a body portion 120; a flip portion 130, which is connected to the body portion 120 and can be Relatively rotating, it can be folded on the fuselage part 120, and the front of the fuselage part 120 can be opened and closed.

On the upper end of the above-mentioned fuselage part 120, a pair of fuselage hinge parts 121 separated by a predetermined distance are formed, and a flip cover hinge part 131 is formed on the above-mentioned flip cover part 130, and the flip cover hinge part 131 can be combined with the fuselage hinge part. part 121 and rotate.

Inside the above-mentioned fuselage part 120, a printed circuit board (not shown) for performing various controls is accommodated, and a keypad 122 is provided on the front of the above-mentioned fuselage part 120. The keypad 122 has multiple buttons for inputting information. A key, on the back of the above-mentioned body part 120, is combined with a battery 123 for supplying power, and the battery 123 can be removed.

Above-mentioned flip cover part 130 is made up of the inner casing 130a and the outer casing 130b that mutually form the accommodation space inside together, and the liquid crystal display modules 132 and 133 that can output image information are accommodated and installed in it, and the liquid crystal display modules 132 and 133 The display surface is exposed to the outside, and a sound emitting hole 134 for releasing sound to the outside is formed through the side of the outer casing 130b along the thickness direction.

In addition, a speaker 140 for outputting sound is mounted on the flip part 130, wherein the speaker 140 can selectively output sound to the inside or outside of the flip part 130 through the resonance part 150 that is installed on the flip part 130 and can move relatively. .

That is, the resonant part 150 is accommodated inside the flip part 130 , and the speaker 140 for outputting sound is installed inside the resonant part 150 . The above-mentioned resonance part 150 can selectively slide relative to the body part 120 along the length direction of the flip part 130 and be drawn out to the outside.

The above-mentioned resonance part 150 has a cylindrical shape, and has a predetermined resonance space inside, and a first sound hole 151 penetrating through the thickness direction for the sound to be released to the outside is formed on the upper side of the upper side, and a first sound hole 151 is formed on the lower side in the opposite direction. The second sound emitting hole 152 for releasing sound to the outside is separated from the first sound emitting hole 151 along the length direction of the resonance part 150 and penetrates through it along the thickness direction.

At this time, in the state where the above-mentioned resonance unit 150 is accommodated inside the flip part 130, the first sound hole 151 communicates with the sound hole 134 of the outer casing 30b, and the second sound hole 152 is covered by the internal structure of the flip part 130 (liquid crystal display). Screen module 132) partition.

On the contrary, when the resonance part 150 slides along the longitudinal direction of the flip part 130 and is drawn out of the flip part 130, the first sound emitting hole 151 is blocked by the outer casing 130b, and the second sound emitting hole 152 is exposed to the outside and opened.

On the other hand, the above-mentioned speaker 140 is a thin-film type piezoelectric speaker, and the metal plate 141 vibrates to generate a sound when the piezoelectric element 142 is displaced by an input current signal. It consists of the following parts: metal plate 141, which is in the shape of a disc; piezoelectric element 142, which is integrally laminated on both sides of the above-mentioned metal plate 141, and is displaced according to the current signal connected; frame, which surrounds the above-mentioned metal Around the plate 141, support the metal plate 141

In addition, at the position where the first sound hole 151 or the second sound hole 152 is cut off, a masking member 161 such as a sponge is also installed at a position corresponding to each sound hole 151 and 152, so as to prevent sound from passing through each sound hole 151 and 152. Leakage for better resonance.

That is, in order to prevent the sound from leaking through the second sound hole 152 when the above-mentioned resonant part 150 is accommodated in the flip part 130, a structure inside the resonant part 150 corresponding to the second sound hole 152 and the flip part 130 (liquid crystal A shielding member 161 is installed between the display screen modules 132; in order to prevent the sound from leaking through the first sound hole 151 when the resonance part 150 is drawn out of the flip part 130, the resonance part 150 corresponding to the first sound hole 151 and the outside A shielding member 161 is installed between the housings.

With this configuration, the user can selectively slide the resonator portion 150 relative to the flip portion 130 to set the output direction of the sound from the speaker 140 .

That is, when the flip part 130 is folded relative to the body part 120 , when the sound from the speaker 140 is output to the appearance of the flip part 130 , the resonance part 150 is accommodated inside the flip part 130 as shown in FIG. 5 . At this moment, the first sounding hole 151 of the resonance part 150 communicates with the sounding hole 134 of the external casing (130b), and the second sounding hole 152 is cut off by the structure inside the flip part 130, and the sound output from the speaker 140 can pass through the first sounding hole 152. The sound emitting hole 151 and the sound emitting hole 134 of the outer casing ( 130 b ) are output to the appearance of the flip part 130 .

Conversely, when the flip part 130 is folded relative to the body part 120, when the sound from the speaker 140 is output to the inside of the flip part 130, as shown in FIG. At this time, the first sound hole 151 of the resonance part 150 is blocked by the outer casing, and the second sound hole 152 is exposed to the outside of the flip part 130 and opened, and the sound output from the speaker 140 can be output to the inside of the flip part 130 through the second sound hole 152.

As mentioned above, the present invention can realize the sound output to the inside and outside of the flip part 130 through one speaker 140, which can reduce parts and assembly man-hours, save costs, and improve workability and productivity compared with the past.

In addition, the above-mentioned structure can minimize the part occupied by the speaker 140 inside the terminal. Therefore, not only can the size of the liquid crystal display module 132 be further increased, but also the utilization rate of the internal space of the terminal and the degree of freedom of design can be improved, which is beneficial to realize the terminal miniaturization and ultra-thinning.

Moreover, the sound emitted by the speaker 140 does not spread among the structures inside the flip part 130 , but gathers inside the resonance part 150 , so this structure can achieve the best resonance effect and improve the sound quality of the speaker 140 .

The advantageous embodiments of the present invention have been described as examples above, but the scope of the present invention is not limited to these specific embodiments, and can be appropriately changed within the scope described in the claims.

Claims (4)

1. A portable terminal with a two-way loudspeaker, characterized in that it comprises the following parts: The terminal body is formed with a sound hole for the sound to be released to the outside; The resonance part has a resonance space inside, which can be drawn out to the outside of the terminal body, and has a first sound hole penetrating through the thickness direction on one side plate and is separated from the first sound hole along the length direction. Through the second sounding hole on the other side plate, the first sounding hole communicates with the body sounding hole, and the second sounding hole is cut off and accommodated inside the terminal body. However, it can also be selectively While blocking the above-mentioned first sound-emitting hole, the above-mentioned second sound-emitting hole is exposed to the outside and opened; The loudspeaker is installed inside the above-mentioned resonant part, and is used for outputting sound. 2. The portable terminal with two-way speaker according to claim 1, characterized in that: The resonance part is installed on the terminal body and can slide relatively along the direction of its board surface. 3. The portable terminal with two-way speaker according to claim 1, characterized in that said speaker is composed of the following parts: Metal plate; Piezoelectric element, which is laminated on both sides of the metal plate, will cause self-displacement according to the current signal connected. 4. The portable terminal with a two-way speaker according to claim 1, further comprising a shielding member: The shielding member is located between the terminal body and the resonance unit, and prevents sound leakage at a position where the first sound emission hole or the second sound emission hole is blocked.

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