JP2004032081A - Portable telephone and connector therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable telephone and a connector for the portable telephone with reduced thickness and weight of the telephone body as a whole, by improving the structure for reducing the height of a microphone connector on which a microphone used for the portable phone is mounted. <P>SOLUTION: The portable telephone includes an upper case equipped with a voice input unit for entering voice; a main board in which an interface connector for connecting with external instrument is provided, a microphone having first and second contacts can be stored, and a microphone connector having first and second contacts to be connected with the first and second contacts of the stored microphone is provided at a position corresponding to the voice input unit of the upper case; and a lower case. The microphone connector has first and second connecting terminals projected from the microphone storing unit to the outside. The microphone connector is fitted to a microphone connector fitting part as a cut of a board of the main board, and the first and second connecting terminals are connected electrically with the contacts of the microphone connector on the main board. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a mobile phone and a connector for a mobile phone, and more particularly, to a mounting position of a microphone connector that supports a microphone attached to the mobile phone and an improved microphone connector to reduce the height of the mobile phone in the height direction. The present invention relates to a mobile phone and a mobile phone connector that have been improved so as to reduce the weight.
[0002]
[Prior art]
As shown in FIGS. 16 and 17, a mobile phone according to the related art includes an upper case 111 formed of an elongated housing, a main board 112 for performing control related to a phone, a battery unit 113 and a liquid crystal display inside. A lower case 115 having a portion 114 and formed to have a size to be engaged with the upper case 111, and a microphone connector 117 to which a microphone 116 is attached.
[0003]
The upper case 111 has a voice input unit 119 provided with a hole 118 in the lower position held by a hand to allow voice to pass therethrough, and a microphone connector 117 on the back side of the voice input unit 119 for engaging and positioning. A microphone connector positioning / engaging portion 120 formed in a shape of a half-cylindrical shape, an operation portion 121, and a display panel 122 in which an image displayed on the liquid crystal display portion 114 can be seen at an upper position.
[0004]
The main board 112 is an elongated substrate, and has a lower end provided with an interface connector 123 for connection to an external device, and a terminal of the microphone connector 117 at a center of the end where the interface connector 123 is mounted. The first and second microphone connector contacts 124a and 124b connected to the first and second microphone connector contacts are provided.
[0005]
In such a configuration, the main board 112 is mounted on the lower case 115, the microphone connectors 117 are mounted on the first and second microphone connector contacts 124a and 124b from above, and the microphone connector positioning engagement of the upper case 111 is performed from above. The upper case 111 is covered while the microphone connector 117 is engaged with the part 120, and the assembly is completed.
[0006]
As shown in FIGS. 18 to 21, the microphone connector 117 is an upper opening formed of thermoplastic rubber, is formed in a cylindrical shape with a bottom, and is formed to have a size capable of accommodating the cylindrical microphone 119. It comprises a storage portion 125 and a triple connector supporting fold 126 formed at an upper position on the outer periphery so as to protrude outward.
[0007]
The microphone housing 125 has a structure in which a contact for electrically connecting to the microphone 116 and an external contact is buried in the bottom of the microphone housing 125. The contact is formed to protrude upward at the center of the bottom of the microphone housing 125. The first contact 127a and a second contact 127b provided at a circumferential position deviated from the first contact 127a are provided.
[0008]
On the bottom 128 outside the microphone connector 117, a first connection terminal 129a electrically connected to the first microphone connector contact 124a of the main board 112 and a first connection terminal 129a are provided at substantially the center position. A second connection terminal 129b electrically connected to the second microphone connector contact 124b of the main board 112 is provided at a circumferential position outside the center.
The first contact 127a and the first connection terminal 129a are formed by bending a single conductive metal wire into a substantially U-shape as shown in FIGS. The first contact 127a provided at the bottom of the portion 125 has a structure in which a vertex formed in an arc shape is protruded at a substantially central position, and the first connection terminal 129a is connected to the first contact 127a. The microphone connector 117 is bent downward into a U-shape, and has a structure in which an arc-shaped vertex is projected outward from a substantially central position of the bottom of the microphone connector 117 main body.
[0009]
As shown in FIGS. 22 and 23, the second contact 127b and the second connection terminal 129b are formed by connecting a single conductive metal wire to a substantially U-shape, like the first contact 127a and the first connection terminal 129a. It is formed by bending into a mold shape, and a vertex formed in an arc shape is protruded at a deviated circumferential position with respect to a first contact point 127a provided substantially at the center of the bottom of the microphone housing 125. The second connection terminal 129b is connected to the second contact 127b and bent downward in a U-shape so as to extend outward from a substantially central position of the bottom of the microphone connector 117 main body. It has a structure in which a vertex formed in an arc shape in the direction is projected.
[0010]
In order to attach the microphone connector 117 having such a configuration, as shown in FIGS. 22 and 23, first, when the microphone 117 is attached to the microphone storage portion 125 of the microphone connector 117, the first and second microphone tanks are connected. 2 contacts 127a and 127b. Since the inner wall surface of the microphone housing portion 125 is made of rubber, the microphone wall portion is configured not to be easily detached in order to engage with the side wall surface of the microphone 116 with a sufficient friction coefficient.
[0011]
Then, the microphone connector 117 to which the microphone 116 is attached is mounted so that the first and second connection terminals 129a and 129b of the microphone connector 117 are connected to the first and second microphone connector contacts 124a and 124b of the main board 112. . Alternatively, the microphone connector 117 is engaged with the microphone connector positioning engagement portion 120 of the upper case 111. At this time, since the connector supporting fold 126 of the microphone connector 117 for engaging with the microphone connector positioning engaging portion 120 has a triple fold shape, this fold is formed on the inner side wall surface of the microphone connector positioning engaging portion 120. It buckles and is engaged with a sufficient coefficient of friction.
In this state, when the upper case 111 is put on, the upper case 11 presses the microphone connector 117 from above, and a pressing force acts on the first and second connection terminals 129a and 129b, and the first and second connection terminals 129a and 129b are pressed. Then, electrical connection is made in a state of being pressed with the second microphone connector contacts 124a and 124b, and the assembly of the microphone connector 117 is completed.
[0012]
[Problems to be solved by the invention]
However, in the microphone connector described in the related art, the structure of the first and second contacts and the first and second connection terminals connected to the contacts of the microphone is formed in a U-shape at the lower position of the microphone connector. Therefore, there is a problem that the height and the height cannot be reduced.
Therefore, there is a problem to be solved in a mobile phone and a mobile phone connector which can be made thinner by adopting a structure in which the height of a microphone connector for housing a microphone can be reduced.
[0013]
[Means for Solving the Problems]
In order to solve the above problems, a mobile phone and a mobile phone connector according to the present invention have the following configurations.
[0014]
(1) The mobile phone includes an upper case having a voice input unit for inputting voice, an interface connector for connecting to an external device, and a microphone having first and second contacts. A main board having a microphone connector having first and second contacts electrically connected to the first and second contacts of the stored microphone at a position facing the audio input unit of the upper case; And a lower case, wherein the microphone connector includes first and second connection terminals formed so as to protrude outward from a microphone housing portion for housing the microphone, and the microphone connector is connected to the main board. First and second microphone connectors, wherein a substrate to be formed is engaged with a notched microphone connector engagement portion and the first and second connection terminals are provided on the main board. Is that which is adapted to be electrically connected to a point.
The connection between the first and second connection terminals of the microphone connector and the first and second microphone connector contacts of the main board is performed when the main board is placed on the lower case and the upper case is assembled from above. The upper case presses the microphone connector itself so that the first and second connection terminals have a pressing force and are connected to the first and second microphone connector contacts. The mobile phone according to (1), which is characterized in that:
Further, the connector for the mobile phone is disposed in a cutout portion of a printed wiring board provided in the housing, and an elastic housing in which a housing room for surrounding and housing the microphone is formed, and a bottom portion of the housing room of the elastic housing. A first and a second contact that are fixed to the portion by integral molding and face the interior of the storage chamber, and are linearly connected to the first and second contacts, and extend outwardly of the storage chamber; First and second connection terminals protruding, wherein the first and second connection terminals are electrically connected to first and second terminals provided on the printed wiring board.
[0015]
By forming the terminal of the microphone connector to be connected to the microphone in a substantially linear shape, the thickness can be reduced accordingly, and the mobile phone itself can be reduced in thickness.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, embodiments of a mobile phone and a mobile phone connector according to the present invention will be described with reference to the drawings.
[0017]
As shown in FIGS. 1 and 2, a mobile phone including the mobile phone connector according to the present invention includes an upper case 11 formed of an elongated housing, and a main board 12 for performing control related to the phone. An elastic housing having a battery case 13 and a liquid crystal display unit 14 therein, a lower case 15 sized to engage with the upper case 11, and a housing chamber for surrounding and housing the microphone 16. And a microphone connector 17 made of 17A.
[0018]
The upper case 11 has a voice input unit 19 provided with a hole 18 through which a sound passes in a lower position held by a hand, an operation unit 20, and a display panel in which an image displayed on the liquid crystal display unit 14 is displayed in an upper position. 20A.
[0019]
The main board 12 is an elongated substrate, and has a lower end provided with an interface connector 21 for connecting to an external device, and a microphone connector 17 at a center position of the end where the interface connector 21 is attached. The microphone connector engaging portion 22 is formed by notching the substrate in a square shape so as to be arranged together.
[0020]
In such a configuration, the main board 12 is incorporated into the lower case 15, the microphone connector 17 to which the microphone 16 is attached is attached to the microphone connector engaging portion 22 from above, and the upper case 11 is covered from above. To complete the assembly.
[0021]
As shown in FIGS. 2, 3 to 6, the microphone connector 17 accommodates the cylindrical microphone 16 in an elastic housing 17A having an upper opening formed of thermoplastic rubber and having a cylindrical shape with a bottom. A microphone housing 23 formed to a size as large as possible, a single connector support fold 24 formed to protrude outward at an upper position on the outer periphery, and a single protrusion from a lower end of the outer periphery. The first and second terminal protection portions 25a and 25b are formed in a forked shape. The first and second terminal protection portions 25a and 25b are integrally formed in a positional relationship eccentric from the center position of the cylindrical microphone housing portion 23.
[0022]
The bottom of the microphone housing 24 has a structure in which a contact that is electrically connected to the microphone 16 and an external contact is buried. The contact is formed to protrude upward at the center of the microphone housing 23. A first contact 26a, a second contact 26b provided at a circumferential position deviating from the first contact 26a, and a first contact 26a, and a first and a second terminal protection portion 25a; A first connection terminal 27a projecting to a position surrounded by 25b and formed in a rectangular flat plate shape and a second contact 26b are provided continuously and surrounded by first and second terminal protection portions 25a and 25b. A second connection terminal 27b which is located at a position and protrudes in parallel with the first connection terminal 27a, and is formed in a rectangular plate shape having the same shape as the first connection terminal 27a.
The first and second contacts 26a and 26b are connected to the microphone 16 (see FIG. 8: first and second contacts), and the first and second connection terminals 27a and 27b are provided on the main board 12. It is configured to be connected to a contact.
[0023]
As shown in FIGS. 7 to 9, the microphone 16 is formed in a cylindrical shape, and has a circular first contact 29 a at a center position of a bottom portion depressed from a lower end portion of the outer peripheral portion 28, and an electrical connection from the first contact 29 a. The structure is provided with a second contact 29b formed in a circumferential band shape on the outer periphery provided with the insulator 30 to be electrically insulated. Further, a voice input member 32 having a plurality of holes 31 for inputting voice is mounted on the top of the microphone 16, and a member for converting voice (not shown) into an electric signal is incorporated therein.
[0024]
As shown in FIGS. 10 to 13, the interface connector 21 is attached to an end of the main board 12, and is a connector housing 33 formed in an elongated rectangular parallelepiped shape. First and second charging terminals 34a, 34b for charging closer to each other, and first and second terminals for performing synchronization and the like when connected to an external device inside the first and second charging terminals 34a, 34b. The switch plugs 35a and 35b and a signal terminal 36 formed in a two-stage shape for communicating signals at a substantially central position are provided.
The first and second charging terminals 34a, 34b are connected to first and second charging terminal connecting portions 37a, 37b that communicate with the inside of the housing and protrude from the top of the connector housing 33.
[0025]
Further, at the top of the connector housing 33, guide projections 38a and 38b for guide engagement with the main board 12 and engagement portions 39a formed to protrude outward from both side ends and provided with holes to be locked to the case. , 39b.
[0026]
As shown in FIGS. 1 and 2, the main board 12 has a microphone connector engaging portion 22 formed by cutting out a substrate at a center position of an end portion to which the interface connector 21 is attached, so as to receive the microphone connector 17. First and second microphone connector contacts 40a, 40b are provided in the depth direction of the microphone connector engaging portion 22 and electrically connected to the first and second connection terminals 27a, 27b of the microphone connector 17. It has a structure.
[0027]
In order to attach the interface connector 21 having such a structure to the main board 12, as shown in FIG. 12, the guide projections 38a and 38b of the interface connector 21 are inserted into the guide holes of the main board 12 and positioned. The two ground terminals 41, the common terminal 42, and the switch terminal 43 connected to the first and second coaxial receptacles 35a and 35b are soldered on the main board 12 and connected to the signal terminal 36. The signal contacts 44 are soldered, and the first and second charging terminal connection portions 37a and 37b connected to the first and second charging terminals 34a and 34b are soldered, thus completing the assembly.
[0028]
In the interface connector 21 assembled on the main board 12 in this way, as shown in FIG. 13, the microphone connector 17 can be housed and arranged in the microphone connector engaging portion 22 in which the substrate of the main board 12 is cut out. . In order to accommodate the microphone connector 17, first, the first and second terminal protection portions 25 a and 25 b and the first and second connection terminals 27 a and 27 b of the microphone connector 17 are directed in the depth direction of the main board 12. The microphone connector 17 is connected to the microphone connector engaging portion such that the first connection terminal 27a faces the first microphone connector contact 40a and the second connection terminal 27b faces the second microphone connector contact 40b. 22.
With the structure in which the microphone connector 17 is placed at the position where the substrate is cut out, the height dimension required for the microphone connector 17 can be reduced, and the weight can be reduced by the amount corresponding to the cutout of the substrate. Since the microphone connector 17 can be positioned at the cut-out position, there is no need to create a member for guiding and engaging the microphone connector 17 in the upper case as in the related art, and the mobile phone itself is not required. It is possible to reduce the thickness and weight of the device.
[0029]
Next, the mobile phone is completed by covering the microphone connector 17 housed in the microphone connector engaging portion 22 with the upper case 11. Then, the first and second connection terminals 27a, 27b of the microphone connector 17 are pressed against the first and second microphone connector contacts 40a, 40b to be electrically connected. As shown in FIGS. 14 and 15, the main board 12 is placed on the lower case 15, and the microphone connector 17 having the microphone 16 mounted on the microphone connector engaging portion 22 of the main board 12 is housed. At this time, the microphone connector 17 is engaged with the first and second connection terminals 27a and 27b in the microphone connector engagement portion 22 in such a manner that the first and second connection terminals 27a and 27b are downwardly bent and floated upward. In this state, when the upper case 11 is put on the microphone connector 17 from above, the microphone connector pressing portion 44 of the upper case 11 presses the microphone connector 17 itself from above, so that the first and second connection terminals 27a, 27b. Is pressed, the bent tip deforms, and comes into contact with the first and second microphone connector contacts 40a, 40b with a pressing force. Here, the microphone connector holding portion 44 provided on the upper case 11 may be formed in a 20% cylindrical shape as in the related art, or may be simply a boss shape, and the microphone connector 17 positioned at the cutout portion may be formed. Any structure that can be pressed from above may be used.
[0030]
【The invention's effect】
As described above, in the mobile phone according to the present invention, the mounted microphone connector is configured such that the contact directly connected to the microphone and the externally connected terminal connected to the contact have a substantially linear shape. The height dimension of the microphone connector main body can be reduced, and the microphone connector is arranged to be engaged with the cutout position of the board, thereby further reducing the height by the cutout board thickness of the main board. Therefore, the thickness of the mobile phone can be reduced, and the weight of the cutout substrate can be reduced, so that the weight can be reduced.
[Brief description of the drawings]
FIG. 1 is an overall exploded perspective view schematically showing a mobile phone according to the present invention.
FIG. 2 is an enlarged perspective view of the main part.
FIG. 3 is a plan view of the microphone connector.
FIG. 4 is a side view of the microphone connector.
FIG. 5 is a rear view of the microphone connector.
FIG. 6 is a side view and an enlarged side view of a main part of the microphone connector.
FIG. 7 is a plan view of the microphone.
FIG. 8 is a rear view of the microphone.
FIG. 9 is a sectional view of the microphone.
FIG. 10 is a front view of the interface connector.
FIG. 11 is a plan view of the interface connector.
FIG. 12 is a plan view showing a relationship between the interface and a main board.
FIG. 13 is a plan view showing a relationship among an interface connector, a microphone connector, and a main board.
FIG. 14 is a sectional view taken along line AA when a microphone is attached to the microphone connector in FIG. 5;
FIG. 15 is a sectional view taken along the line BB when a microphone is attached to the microphone connector in FIG. 5;
FIG. 16 is a schematic overall perspective view showing an exploded view of a mobile phone according to the related art.
FIG. 17 is a schematic perspective view showing an enlarged and disassembled main part of a mobile phone according to the related art.
FIG. 18 is a side view of a microphone connector according to the related art.
FIG. 19 is a plan view of a microphone connector according to the related art.
FIG. 20 is a rear view of a microphone connector according to the related art.
FIG. 21 is a side view of a microphone connector according to the related art and a side view showing an enlarged main part.
FIG. 22 is a cross-sectional view showing a relationship between a microphone connector and a main board according to the related art.
FIG. 23 is a cross-sectional view showing a relationship between a microphone connector, a microphone, and a main board according to the related art.
[Explanation of symbols]
11; upper case, 12; main board, 13; battery unit, 14; liquid crystal display unit, 15; lower case, 16; microphone, 17; microphone connector, 18; hole, 19; voice input unit, 20; 20A; display panel, 21; interface connector, 22; microphone connector, 23; microphone housing portion, 24; connector support fold portion, 25a; first terminal protection portion, 25b; second terminal protection portion, 26a; Contact, 26b; second contact, 27a; first connection terminal, 27b; second connection terminal, 28; outer peripheral portion, 29a; first contact, 29b; second contact, 30; 31; hole, 32; voice input member, 33; connector housing, 34a; first charging terminal, 34b; second charging terminal, 35a; first coaxial receptacle, 35b; 1st charging terminal connection portion, 37b; second charging terminal connection portion, 38a; guide projection, 38b; guide projection, 39a; engagement portion, 39b; engagement portion. 40a; first microphone connector contact, 40b; second microphone connector contact, 41; ground terminal, 42; common terminal, 43; switch terminal, 44;

Claims (3)

An upper case with a voice input unit for inputting voice,
An interface connector for connecting to an external device, a microphone having first and second contacts can be stored, and first and second microphones electrically connected to the first and second contacts of the stored microphone. A main board in which a microphone connector having a second contact is arranged at a position facing the audio input unit of the upper case;
And the lower case,
The microphone connector includes first and second connection terminals formed so as to protrude outward from a microphone storage portion that stores the microphone, and the microphone connector is formed by cutting out a board that forms the main board. A mobile phone, wherein the mobile phone is adapted to be engaged with a joint portion and electrically connect the first and second connection terminals to first and second microphone connector contacts provided on the main board. The connection between the first and second connection terminals of the microphone connector and the first and second microphone connector contacts of the main board is performed by mounting the main board on the lower case and assembling the upper case from above. The first case and the second connection terminal are provided with a pressing force by pressing the microphone connector itself with the upper case, and are connected to the first and second microphone connector contacts. The mobile phone according to claim 1. An elastic housing which is arranged in a cutout portion of a printed wiring board arranged in the housing and has an accommodation chamber for surrounding and accommodating the microphone;
A first and a second contact that are fixed to a bottom portion of the storage chamber of the elastic housing by integral molding and face the storage chamber, and are formed linearly and continuously with the first and second contacts; And first and second connection terminals extending outward and projecting from
A connector for a mobile phone, wherein the first and second connection terminals are electrically connected to first and second terminals provided on the printed wiring board.

Images