JP2010068485A - Portable station - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily assemble a portable station without providing wires involving troublesome assembly and ducts with a complex structure even when disposing its sound radiating hole on a side surface. <P>SOLUTION: With respect to the portable station, a speaker storing portion 12 for storing a speaker 10 is formed in a sidewall 5d of a cabinet 5b present on a rear-surface side. A sound radiating side of the speaker 10 is brought into contact with the speaker storing portion 12. A speaker contacting wall portion 12a which has a sound radiating hole 13 and is inclined to a bottom wall 5c of the cabinet 5b present on the rear-surface side is provided in the speaker storing portion 12. A speaker terminal 10a for receiving electric signals from a substrate 9 engaged with the cabinet 5b present on the rear-surface side is provided in the speaker 10. A relaying terminal 15 is inserted into the space between the periphery of the substrate 9 and the speaker 10 stored in the speaker storing portion 12. An end 15d of a relaying metal terminal 15c of the relaying terminal 15, which is exposed to an inner-surface side, is brought into contact with a substrate terminal 9a. Another end 15e of the relaying metal terminal 15c exposed to the outer-surface side which is inclined so as to become almost parallel with the speaker contacting wall portion 12a is brought into contact with the speaker terminal 10a. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a portable terminal having a speaker.

  In recent years, mobile terminals typified by mobile phones have been equipped with a TV reception function, and built-in speakers are provided to give a sense of reality when watching TV.

  As a speaker of a portable terminal, it is directly attached to a substrate and a sound emission hole of the cabinet is provided in the vicinity thereof, or when there is no sound emission hole of the cabinet in the vicinity of the speaker, a duct is connected to the sound emission hole of the cabinet. When the speaker is not directly attached to the substrate, the speaker is disposed in the sound emitting hole of the cabinet, and the substrate and the speaker are connected by an electric wire.

  For example, in Patent Document 1, a circuit board is provided inside a front case and a rear case, and a speaker electrically connected to the circuit board is disposed behind a sound emitting hole formed on the operation surface of the front case. ing.

  Moreover, in patent document 2, the display part which consists of a liquid crystal display, a light-guide plate, and a board | substrate is accommodated in the front case which forms the portable apparatus main body 1, and a speaker is included in the rear case which forms a portable apparatus main body with a front case. A duct speaker having a duct for guiding the sound emitted from the main body to the sound passage hole is arranged so that a part of the speaker main body is superposed on the back side of the display unit.

Moreover, in patent document 3, an objective window is formed in the back surface of a 2nd housing | casing, a sound emission hole is formed in the right and left sides of an objective window, and a digital camera unit is provided in the circuit board accommodated in the 2nd housing | casing. Equipped with speakers on the left and right of the digital camera unit. The speaker is opposed to the sound emitting hole in an inclined state, and the terminal leg of the speaker is in pressure contact with a terminal provided on the rear surface of the circuit board.
JP 2000-201207 A JP 2001-119773 A JP 2007-208858 A

  By the way, there is a case where a sound emitting hole of a speaker is desired to be provided on the side surface of the mobile terminal because of acoustic characteristics and design.

  However, in Patent Document 1, when the sound emitting hole is provided on the side surface of the device, an electric wire for electrically connecting the speaker and the circuit board is required, which makes the assembly troublesome.

  Moreover, since the sound passage hole is separated from the speaker, the above Patent Document 2 has a problem that a duct for guiding sound to the sound passage hole is required and the structure becomes complicated.

  Furthermore, although the said patent document 3 inclines the speaker in order to accommodate a speaker, a lens, and an image pick-up element efficiently in the inside of a portable electronic device, If a sound emission hole is provided in the side surface of a portable electronic device. If it becomes, a duct will be needed or the electric wire for connecting with a board | substrate will be needed.

  The present invention has been made in view of such a point, and the object of the present invention is to provide an electric wire that takes time to assemble and a duct having a complicated structure even when a sound emitting hole is provided on the side surface of the mobile terminal. It is to be easy to assemble without providing.

  In order to achieve the above object, in the present invention, a relay terminal is provided to electrically connect the speaker on the side surface of the terminal and the substrate.

Specifically, in the first invention, a portable terminal with a built-in speaker is assumed,
The mobile device
A substrate housing cabinet having a bottom wall and a side wall erected so as to surround the periphery of the bottom wall, and a speaker housing portion that houses the speaker on the inner surface of the side wall;
A speaker abutting wall portion that constitutes the speaker housing portion, contacts the sound emitting side of the speaker, has a sound emitting hole, and is inclined with respect to the bottom wall of the substrate housing cabinet;
A board having a board-side terminal that is fitted to the board-housing cabinet substantially in parallel with the bottom wall of the board-housing cabinet and that sends an electric signal to the speaker on the peripheral surface;
A speaker-side terminal provided on the speaker and receiving an electrical signal from the substrate;
One end of the relay metal terminal in contact with the board side terminal is a flat board side contact part exposed on the inner surface side, and is substantially perpendicular to the board side contact part, and the outer surface side is the speaker contact wall part. A speaker-side contact portion in which the other end of the relay metal terminal is inclined so as to be substantially parallel to the speaker-side terminal, and the other end of the relay metal terminal is exposed; A relay terminal inserted between and
It has.

  According to the above configuration, when the relay terminal is inserted between the substrate periphery having the substrate side terminal on the surface and the speaker accommodated in the speaker accommodating portion, one end of the relay metal terminal abuts on the substrate side terminal, and the relay The other end of the metal terminal contacts the speaker side terminal. And since the outer surface side of a relay terminal inclines so that it may become substantially parallel to a speaker contact wall part, the other end of a relay metal terminal contacts a speaker side terminal reliably as a relay terminal is inserted. For this reason, even if it does not provide an electric wire, the signal from a board | substrate is reliably transmitted to a speaker. Moreover, since the sound emission hole is located in the immediate vicinity of the speaker, no duct is required.

In the second invention, in the first invention,
The speaker-side terminal is composed of a pair of legs having elasticity.

  According to the above configuration, since the speaker-side terminal is pressed in the process of inserting the relay terminal, the relay terminal reliably connects the substrate and the speaker.

In the third invention, in the first or second invention,
A double-sided tape is affixed to the sound output side of the speaker, and the speaker is fixed to the speaker abutting wall by the double-sided tape.

  According to said structure, if a speaker is fixed to a speaker accommodating part, it will become easy to insert a relay terminal, and an assembly will become still easier.

In a fourth invention, in any one of the first to third inventions,
The speaker housing portion is formed on both side surfaces of the substrate housing cabinet.

  According to said structure, since a sound is emitted from the speaker provided in the both sides | surfaces of a portable terminal, an acoustic effect improves.

In the fifth invention, in the fourth invention,
A display-side housing containing a display,
A first housing that supports the display-side housing so as to be switchable between a vertically long state and a horizontally long state;
A second housing connected to the first housing via a hinge portion so as to be foldable and openable;
When the first casing is opened around the hinge portion, the first casing is disposed on the back side of the second casing,
The lower end side of the second casing and the lower end side of the first casing are configured to contact the mounting surface,
The substrate housing cabinet constitutes a part of the second housing.

  According to the above configuration, when viewing the TV with the display-side casing in the horizontally long state, the substrate housing cabinet is appropriately inclined with respect to the mounting surface, so that the sound from both sides of the second casing is heard by the user. Effectively delivered to.

  As described above, according to the present invention, the relay terminal that is inclined so that the outer surface side is substantially parallel to the speaker abutting wall portion is accommodated in the substrate periphery having the substrate-side terminal on the surface and the speaker accommodating portion. Even when the sound emitting hole is provided on the side surface of the portable terminal by inserting between the speaker and making one end of the relay metal terminal contact the substrate side terminal and the other end contact the speaker side terminal. Thus, it is possible to eliminate the electric wires that are troublesome to assemble and the ducts that have a complicated structure, and to make the assembly easy.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 to 3 show a foldable mobile phone 1 as a mobile terminal according to an embodiment of the present invention. The mobile phone 1 has a rectangular plate shape with a vertically long display 2a formed of a liquid crystal display or an organic EL display. A display-side housing 2 is provided. The display-side housing 2 is supported by a support mechanism (not shown) provided in the first housing 3 so as to be switchable between a vertically long state and a horizontally long state. A second housing 5 having an operation portion 4 formed on the surface thereof is connected to the first housing 3 via a hinge portion 6 so that the first housing 3 can be folded and opened. A speaker 7 for calling is built in the upper side of the display side housing 2. A telephone microphone 8 is built in the lower side of the second casing.

  The mobile phone 1 has a configuration in which the first housing 3 is opened with respect to the second housing 5 as shown in FIG. 1 and the display-side housing 2 is in a vertically long state, and as shown in FIG. The form in which the first housing 3 is opened with respect to the second housing 5 and the display-side housing 2 is in the horizontally long state, and as shown in FIG. 3, the first housing 3 is the second housing. It can be switched to a form that is closed and compact with respect to the body 5.

  In this embodiment, particularly when the first housing 3 is opened around the hinge portion 6, the first housing 3 is arranged on the back side of the second housing 5, so-called reverse hinge. It has a configuration. For this reason, as shown in FIG. 2, when placed on a placement surface such as a desk, the lower end side 5f of the second housing 5 and the lower end side 3a of the first housing 3 are in contact with the placement surface. It is configured to touch.

  As a feature of the present invention, speakers 10 are provided on both side surfaces of the second housing 5. Specifically, as shown in FIG. 4, the second housing 5 includes a front surface side cabinet 5a and a back surface side cabinet 5b as a substrate housing cabinet on the back surface side. Between these front surface side cabinets 5a and back side cabinets 5b, a substrate 9 responsible for the main functions of the mobile phone 1 is built. A substrate holder 11 that holds the substrate 9 together with a camera (not shown) or the like is fitted on the back side of the substrate 9. Then, the substrate 9 on which the substrate holder 11 is mounted is fitted into the back-side cabinet 5b substantially in parallel with the bottom wall 5c, and the screw 50 is attached to the boss 5e of the back-side cabinet 5b and the boss 11a of the substrate holder 11. Is to be concluded. As shown in an enlarged view in FIG. 12, a pair of board-side terminals 9 a that send electric signals to the speaker 10 are provided on the surfaces of the left and right peripheral edges of the board 9.

  As shown in an enlarged view in FIG. 9, the speaker 10 has a long and narrow rectangular plate shape, and a speaker-side terminal 10 a that receives an electrical signal from the substrate 9 is provided on the back side. The speaker-side terminal 10a is constituted by a pair of elastic metal legs, the tip is divided into two forks and rounded into a circular arc shape. On the sound emitting side of the speaker 10, a double-sided tape 10b cut out in an elliptical shape is attached.

  As shown in FIG. 4, the back surface side cabinet 5b has a rectangular dish shape, and has a bottom wall 5c and four side walls 5d erected so as to surround the periphery of the bottom wall 5c. Speaker inner portions 12 for accommodating the speakers 10 are formed on the inner surfaces of the left and right side walls 5d. Specifically, as shown in an enlarged view in FIG. 10, the speaker housing portion 12 has a speaker abutting wall portion 12a that is inclined with respect to the bottom wall 5c of the rear surface side cabinet 5b. The speaker abutting wall portion 12a is inclined to the left and right outside as the distance from the bottom wall 5c increases. The speaker housing part 12 is provided with a speaker holding wall part 12b so as to sandwich the speaker contact wall part 12a from both sides. A sound emitting hole 13 made of a long hole is formed in the speaker abutting wall portion 12a. Corresponding to the sound emitting hole 13, the speaker abutting wall portion 12a is held by the pair of speaker holding wall portions 12b in a state where the sound emitting side of the speaker 10 is in contact. The speaker 10 is fixed to the speaker abutting wall portion 12a with a double-sided tape 10b.

  As shown in FIGS. 6 to 9, the relay terminal 15 is inserted between the left and right peripheral edges of the substrate 9 and the speaker 10 accommodated in the speaker accommodating portion 12. As shown in an enlarged view in FIG. 11, the relay terminal 15 includes a flat board-side contact portion 15a and a speaker-side contact portion 15b that is substantially perpendicular to the substrate-side contact portion 15a. And has an L-shape in side view. One end 15d of the pair of relay metal terminals 15c that are in contact with the board-side terminal 9a is exposed on the inner surface side of the board-side contact portion 15a. The outer surface side of the speaker side contact portion 15b is inclined so as to be substantially parallel to the speaker contact wall portion 12a. On the outer surface side, the other end 15e of the relay metal terminal 15c contacting the speaker side terminal 10a is exposed.

  Further, as shown in FIG. 13, a relay terminal holding portion 16 is formed at a portion corresponding to the relay terminal 15 of the substrate holder 11. The relay terminal holding part 16 has an abutting surface 16a perpendicular to the substrate 9, and is provided with a holding part 16b that wraps the relay terminal 15 from both sides. Further, a protrusion 16c is formed to press the relay terminal 15 toward the speaker 10 side. The corner portion on the inner surface side of the relay terminal 15 is substantially right-angled, and the corner portion contacts the left and right peripheral edge portions of the substrate 9 and the contact surface 16a of the relay terminal holding portion 16, and one end 15d of the relay metal terminal 15c. Is in contact with the board-side terminal 9a.

-Action of relay terminal-
Next, the operation of the relay terminal 15 according to the present embodiment will be described.

  First, as shown in FIG. 6A to FIG. 9A, the substrate holder 11 is fitted to the substrate 9 and the relay terminal 15 is held by the relay terminal holding portion 16. Further, the speaker 10 is attached to the speaker abutting wall portion 12a with the double-sided tape 10b.

  Next, as shown in FIG. 6 to FIG. 9B, the substrate 9 is inserted into the back-side cabinet 5 b with the substrate 9 fitted to the substrate holder 11. Thus, the relay terminal 15 is inserted between the periphery of the substrate 9 having the substrate-side terminal 9 a on the surface and the speaker 10 accommodated in the speaker accommodating portion 12. Then, first, the other end 15e of the relay metal terminal 15c contacts the speaker side terminal 10a.

  Next, as shown in FIG. 6C to FIG. 9C, the substrate 9 is inserted deeper into the back surface side cabinet 5 b. Then, the outer surface side of the relay terminal 15 is inclined so as to be substantially parallel to the speaker abutting wall 12a, and the speaker side terminal 10a has elasticity. The end 15e is securely connected to the speaker side terminal 10a.

  And when the board | substrate 9 is completely fitted by the back surface side cabinet 5b, the end 15d of the relay metal terminal 15c will also contact | abut to the board | substrate side terminal 9a. For this reason, the signal from the board | substrate 9 is reliably transmitted to the speaker 10, even if it does not provide an electric wire. Moreover, since the sound emission hole 13 is located in the immediate vicinity of the speaker 10, a duct is not required.

  Further, since the speaker 10 is fixed to the speaker housing portion 12 in advance, it becomes easy to insert the relay terminal 15 and assembly is easy.

  As shown in FIG. 2, when viewing the TV with the display-side housing 2 in the landscape state, when placed on a mounting surface such as a desk, the lower end side 5 f of the second housing 5 and the first The lower end side 3a of the housing 3 comes into contact with the mounting surface. Then, since the back side cabinet 5b is appropriately inclined with respect to the placement surface, sound is emitted from the speakers 10 provided on both side surfaces of the mobile phone 1 in the direction of the white arrow, so that the acoustic effect is improved. .

-Effect of the embodiment-
Therefore, according to the mobile phone 1 according to the present embodiment, the relay terminal 15 inclined so that the outer surface side is substantially parallel to the speaker abutting wall portion 12a, the periphery of the substrate 9 having the substrate side terminal 9a on the surface, and the speaker housing Since the relay metal terminal 15c is inserted between the speaker 10 housed in the portion 12 and one end 15d of the relay metal terminal 15c is brought into contact with the board-side terminal 9a and the other end 15e is brought into contact with the speaker-side terminal 10a. Even when the sound hole 13 is provided on the side surface of the mobile phone 1, it is possible to eliminate the electric wires that are troublesome to assemble and the ducts that have a complicated structure, thereby facilitating the assembly.

(Other embodiments)
The present invention may be configured as follows with respect to the above embodiment.

  That is, in the above embodiment, the mobile terminal is the folding mobile phone 1 that supports the display-side housing 2 so that the display-side housing 2 can be switched between the vertically long state and the horizontally long state. Even the mobile phone 1 may be a foldable mobile phone 1 in which the display-side housing 2 is fixed to the first housing 3. Moreover, the display side housing | casing 2 may be supported by the 2nd housing | casing 5 so that a slide is possible, and the display side housing | casing 2 and the 2nd housing | casing 5 may be a straight type of integral.

  In the above embodiment, the mobile terminal is a mobile phone, but it may be a PHS, PDA, PC, mobile tool, electronic dictionary, calculator, game machine, or the like.

  In addition, the above embodiment is an essentially preferable illustration, Comprising: It does not intend restrict | limiting the range of this invention, its application thing, or a use.

It is a perspective view which shows the vertically long state of the mobile telephone concerning embodiment of this invention. It is a perspective view which shows the horizontally long state of a mobile telephone. It is a perspective view which shows the closed state of a mobile telephone. It is an exploded perspective view of the 2nd case. It is a front view of the back side cabinet which the board | substrate fitted. FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. It is the VII-VII sectional view taken on the line of FIG. 5, (a) is before insertion, (b) is during insertion, (c) shows the insertion completion state. It is the VIII-VIII sectional view taken on the line of FIG. 5, (a) is before insertion, (b) is during insertion, (c) shows the insertion completion state. It is an expansion perspective view of a speaker, (a) is seen from the sound emission side, (b) is seen from the opposite side. It is a perspective view which expands and shows a speaker accommodating part. It is an expansion perspective view of a relay terminal, (a) is seen from the speaker side, (b) is seen from the substrate side. It is a perspective view which expands and shows a board | substrate side terminal and its periphery. It is a perspective view which expands and shows the relay terminal holding | maintenance part of a board | substrate holder, and its periphery.

Explanation of symbols

1 Mobile phone (mobile terminal)
2 Display side housing 2a Display 3 First housing 5 Second housing 5b Back side cabinet (substrate housing cabinet)
5c Bottom wall 5d Side wall 6 Hinge part 9 Substrate 9a Substrate side terminal 10 Speaker 10a Speaker side terminal 10b Double-sided tape 11 Substrate holder 11a Boss part 12 Speaker accommodating part 12a Speaker abutting wall part 12b Speaker holding wall part 13 Sound emitting hole 15 Relay Terminal 15a Substrate side contact portion 15b Speaker side contact portion 15c Relay metal terminal 15d One end 15e Other end 16 Relay terminal holding portion 16a Contact surface 16b Nipping portion 16c Projection portion 50 Screw

Claims (5)

In mobile terminals with built-in speakers,
A substrate housing cabinet having a bottom wall and a side wall erected so as to surround the periphery of the bottom wall, and a speaker housing portion that houses the speaker on the inner surface of the side wall;
A speaker abutting wall portion that constitutes the speaker housing portion, contacts the sound emitting side of the speaker, has a sound emitting hole, and is inclined with respect to the bottom wall of the substrate housing cabinet;
A board having a board-side terminal that is fitted to the board-housing cabinet substantially in parallel with the bottom wall of the board-housing cabinet and that sends an electric signal to the speaker on the peripheral surface;
A speaker-side terminal provided on the speaker and receiving an electrical signal from the substrate;
One end of the relay metal terminal in contact with the board side terminal is a flat board side contact part exposed on the inner surface side, and is substantially perpendicular to the board side contact part, and the outer surface side is the speaker contact wall part. A speaker-side contact portion in which the other end of the relay metal terminal is inclined so as to be substantially parallel to the speaker-side terminal, and the other end of the relay metal terminal is exposed; A relay terminal inserted between and
A portable terminal characterized by comprising: The mobile terminal according to claim 1,
The speaker terminal is composed of a pair of elastic legs. The mobile terminal according to claim 1 or 2,
A portable terminal, wherein a double-sided tape is affixed to the sound emission side of the speaker, and the speaker is fixed to the speaker abutting wall by the double-sided tape. The mobile terminal according to any one of claims 1 to 3,
The portable terminal, wherein the speaker housing portion is formed on both side surfaces of the substrate housing cabinet. The mobile terminal according to claim 4,
A display-side housing containing a display,
A first housing that supports the display-side housing so as to be switchable between a vertically long state and a horizontally long state;
A second housing connected to the first housing via a hinge portion so as to be foldable and openable;
When the first casing is opened around the hinge portion, the first casing is disposed on the back side of the second casing,
The lower end side of the second casing and the lower end side of the first casing are configured to contact the mounting surface,
The portable terminal, wherein the substrate housing cabinet constitutes a part of the second housing.

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