CN1901560A - Foldable portable wireless communication apparatus - Google Patents
Foldable portable wireless communication apparatus Download PDFInfo
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- CN1901560A CN1901560A CNA200610106121XA CN200610106121A CN1901560A CN 1901560 A CN1901560 A CN 1901560A CN A200610106121X A CNA200610106121X A CN A200610106121XA CN 200610106121 A CN200610106121 A CN 200610106121A CN 1901560 A CN1901560 A CN 1901560A
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- wireless communication
- communication apparatus
- portable wireless
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Abstract
A foldable portable wireless communication apparatus which ensures miniaturization of housing and good antenna characteristic has first casing including transmitter and/or operation section, and second housing including receiver and/or display section and rotatably linked with the first casing through hinge section provided on one end portion of the first housing on the front face side thereof. An antenna board is provided in area at back of the hinge section inside the first housing, and a circuit board having a radio-frequency circuit section mounted thereon is provided in area not overlapping the hinge section inside the first housing. A connection conductor connecting the antenna board and the high frequency wave input/output point of the radio-frequency circuit section is configured into a monopole antenna by setting the direction of extension of the connection conductor in the lengthwise direction of the first housing in the vicinity of the high frequency wave input/output point.
Description
Invention field
The present invention relates to a kind of Foldable portable wireless communication apparatus, relate in particular to a kind of Foldable portable wireless communication apparatus with built-in aerial.
Technical background
Cell phone as Foldable portable wireless communication apparatus becomes very popular now.Have some this cell phones that antenna is included in the shell, that is, they have built-in antenna.
For example, in the open disclosed folding cellular phone of case No.2004-297535 of unexamined Japanese patent application KOKAI, the fore side housing that is provided with microphone microphone, button operation parts etc. above exceeds hinge member and extends upward, and this hinge member is arranged on the end portion of this housing front surface.The structure that this folding cellular phone adopts is: antenna is contained in the zone, and this zone extends to the extension of this fore side housing from the below of hinge member.
Because the open disclosed folding cellular phone of case No.2004-297535 of unexamined Japanese patent application KOKAI is contained in antenna the back of hinge member, so, this folding cellular phone can not be subjected to the influence of human body when conversation, and, be very good with regard to the high assembled density of parts.
But, structure for the open disclosed folding cellular phone of case No.2004-297535 of unexamined Japanese patent application KOKAI, during when folding demonstration side body and near the fore side housing, the antenna holding portion of fore side housing exceeds hinge member and projects upwards.Therefore, this folding cellular phone is not preferred at design aspect, and, do not realize enough miniaturizations of housing.
If ledge is not provided, so, when antenna accommodation section part when the longitudinally of housing shortens, built-in aerial holds the length that parts shorten in the amount that longitudinally should shorten corresponding to antenna.Therefore, the shortcoming that does not have the structure of ledge to bring is: the perpendicular polarization at built-in aerial place divides flow gain to reduce.
Summary of the invention
The present invention makes in view of said circumstances, an object of the present invention is to provide a kind of Foldable portable wireless communication apparatus, with the miniaturization of guaranteeing housing and good antenna performance.
In order to realize this purpose, Foldable portable wireless communication apparatus of the present invention comprises:
First housing one of has in microphone and the functional unit at least;
Second housing one of has in receiver and the display unit at least, and is linked at rotationally with described first housing by hinge member, and described hinge member is arranged on the end portion of described first housing, is positioned at its front one side;
First antenna element is arranged in the dorsal area of described hinge member in described first housing;
Circuit board is arranged in described first housing and does not cover in the zone of described hinge member, and is equipped with the radio circuit parts above it; And
Bonding conductor, the high frequency waves input/output point of the radio circuit parts on described first antenna element and the described circuit board is coupled together, near along described first housing described high frequency waves input/output point longitudinally extends, and therefore is configured to unipole antenna as second antenna element.
Described bonding conductor constitutes quarter-wave aerial with described first antenna element.
Described bonding conductor and described first antenna element electrical length separately approximately are 1/8th of communication band medium wavelengths.
Described first antenna element is a linear antenna unit.
Described first antenna element is improved unipole antenna.
Described first antenna element is the flat plane antenna unit that approaches.
Described first antenna element is formed on the printed panel.
Described bonding conductor comprises sheet metal.
Described sheet metal fashions into one by embedding moulding and resin.
According to the present invention, needn't on the side part of hinge member, provide ledge, thereby make housing be able to miniaturization.Because first antenna element is miniaturized the perpendicular polarization of bringing for built-in aerial and divides the flow gain deficiency to be remedied by bonding conductor, this bonding conductor is configured to unipole antenna as second antenna element, and the high frequency waves input/output point of the radio circuit parts on described first antenna element and the described circuit board coupled together, thereby improved antenna performance.
Description of drawings
By reading following detailed description and accompanying drawing, these purposes of the present invention and other purposes and advantage will become more apparent, wherein:
Fig. 1 be a folding cellular phone under the situation about opening when the front is watched the stereogram of the structure of this folding cellular phone, this folding cellular phone as the present invention according to an applied Foldable portable wireless communication apparatus of embodiment;
Fig. 2 is the exploded perspective view of a folding cellular phone of closing when watching from behind, and is the exploded view that takes out under the battery situation;
Fig. 3 is the stereogram of the protecgulum (top shell) that takes out fore side unit (first housing) in Fig. 1 under the open mode, hinge cap, hinged cover, internal module etc.;
Fig. 4 is the illustrative stereogram of the structure of antenna element, shows in Fig. 2 the battery unit that takes out fore side unit (first housing) under the open mode, bonnet (bottom), hinge cap etc.;
The sectional view of Fig. 5 shows the cross section structure of hinge member one side, and shows the zone that hinged cover covered that integrates with the key-top plate;
The sectional view of Fig. 6 shows the cross section structure of hinge member one side, and shows the zone that hinged cover covered that integrates with the key-top plate;
The stereogram of Fig. 7 A has illustrated the antenna bonding conductor (parts) when the direction identical with Fig. 3 watched;
The stereogram of Fig. 7 B has illustrated the antenna bonding conductor (parts) when the direction identical with Fig. 4 watched; And
The vertical view of Fig. 8 shows the improvement of antenna pattern.
Embodiment
Describe preferred forms of the present invention in detail below in conjunction with accompanying drawing.
Folding cellular phone shown in Fig. 1 is the embodiment of the applied Foldable portable wireless communication apparatus of the present invention when opening.First housing 1 and second housing 2 are linked at together each other rotationally by hinge member 3.
As shown in Figure 3, the drain pan 5 of hinge member 3 first housings 1 is provided with carriage 10-10, and the drain pan 12 of second housing 2 is provided with carriage 20-20, and carriage 20-20 is plugged on corresponding carriage 10-10 by hinge-unit.Each personal hinge cap 16 of outside carriage 10-10 covers.Part between the hinge cap 16-16 covers with paired hinged cover 17 and hinged cover 27, paired hinged cover 18 and hinged cover 28, paired hinged cover 19 and hinged cover 29, hinged cover 17 is one with key-top plate 9, hinged cover 27 is attached to the top shell 5 (referring to Fig. 3) of first housing 1, hinged cover 18,19 and marking plate 15 are one, and hinged cover 28,29 is attached to the drain pan 12 (referring to Fig. 3) of second housing 2.
Fig. 2 shows and take out the state of breaking that one side is watched from the back side under battery unit 21 situations when folding cellular phone is closed.The battery accommodating parts 22 that are used to load battery are formed on the drain pan 5 and the bottom 6 of first housing 1.Loud speaker 23, battery add/unload action bars 24, connector cover 25 and antenna cover 26 and fit together with drain pan 5 and bottom 6.
Fig. 3 shows under the open mode of Fig. 1 the top shell 4 that takes out marking plate 15, key-top plate 9, hinge cap 16, first housing 1, connector cover 25, internal module etc., marking plate 15 and hinged cover the 18, the 19th, one, wherein key-top plate 9 is one with hinged cover 17.Hinged cover 27 is attached to the drain pan 5 of first housing 1, and hinged cover 28,29 is attached to the drain pan 12 of second housing.Integral body of hinged cover 28,29 common formations.
As shown in the figure, encapsulation groove 31 forms around the drain pan 5 of first housing 1.The hole 32 that is used for FPC is respectively formed at drain pan 5 left side and the right near the end surface of hinge member 3 one sides with the hole 33 that is used for antenna, inserts an end of the antenna bonding conductor 34 of antenna hole 33 and therefrom gives prominence to.
Loud speaker coupling component 35 is arranged in the drain pan 5.Locking mechanism 36 adds/unload action bars 24 with battery works, thereby fixes battery unit 21 (referring to Fig. 2) under stress state, and the vibrator 37 that is used to enter notice is assemblied in the drain pan 5.
The hole 38 that is used for FPC is formed on the end surface of the drain pan 12 of second housing 2 near hinge member 3 one sides.
The structure of antenna element when Fig. 4 is used to illustrate the bottom 6 of taking battery unit 21, first housing 1 under the closed condition of Fig. 2 away, hinge cap 16, antenna cover 26 etc.
As shown in the figure, antenna holds end portion the side formation hinge member 3 after of sunk part 41 along hinge member 3.The sensible antenna of antenna hole 33 (referring to Fig. 3) holds sunk part 41.Therefore, give prominence in antenna holds sunk part 41 the other end of antenna bonding conductor 34.
As shown in Figure 4, in antenna held sunk part 41, antenna plate fixed surface 41a was formed on the left side, and the rib 41b that is used for the supporting antenna plate is formed on the right.Antenna plate fixed surface 41a has identical height with antenna plate supporting rib 41b, and antenna plate 43 is assemblied on antenna plate fixed surface 41a and the antenna plate supporting rib 41b.
The encapsulation groove 42 be formed on antenna hold sunk part 41 around.Antenna packaging part (waterproof cover) 44 just in time is fit to encapsulation groove 42.
As shown in the figure, antenna plate 43 has sweep (meanunder line) linear antenna of going up shaping in rigid plate (embossing seal brush board).That is to say that the electrode 43a that is used for feed is formed on antenna plate 43, by copper film being processed the left side and the right that sweep antenna element 43b, 43c that (pattern) make are formed on feed electrode 43a.
In Fig. 4, the sweep antenna element 43b on the left side is used for communication, and the sweep antenna element 43c on the right is used for GPS (global positioning system). Antenna element 43b, 43c are improved unipole antennas.Antenna element 43b, 43c are the planar monopole antennas that approaches.
Shown in Fig. 7 A, antenna bonding conductor 34 forms by sheet metal 34a and resin 34b are moulded.More particularly, antenna bonding conductor 34 structurally is a mechanograph, and sheet metal 34a wherein injects among the resin 34b by embedding moulding (insert molding).
In this embodiment, antenna bonding conductor 34 roughly presents as shown in the figure L shaped, and there is board side splicing ear 34c the one end, exposes sheet metal 34a (referring to Fig. 7 A).Shown in Fig. 7 B, aperture 34d is formed on the relative the other end of board side splicing ear 34c with model resin 34b, and the part of the sheet metal 34a that exposes among the aperture 34d is antenna plate side splicing ear 34e.
Introduce below and how to assemble antenna bonding conductor 34 and antenna plate 43.
Next, antenna plate 43 is inserted antenna and hold sunk part 41.When spring joint 43d was connected to antenna plate side splicing ear 34e, antenna element 43b one side of antenna plate 43 was bonded on the antenna plate fixed surface 41a by two-sided tape etc.At this moment, antenna plate supporting rib 41b supports antenna element 43c one side of antenna plate 43.
Then, the seal lip part 44a around the antenna packaging part 43 being installed to antenna holds in the sunk part 41 encapsulation groove 42 on every side.Antenna packaging part 43 covers antenna and holds sunk part 41, thus waterproof.
Fig. 5 and 6 shows the sectional view of hinge member 3 sides.As illustrated in Figures 5 and 6, this folding cellular phone also has: circuit board 45; Electronic unit 46,47 and 48; Joint 49; Model framework (capsul) 51; Sheet key (sheet key) 52; Button 53; Contact spring 54; Flexible distributing board (FPC) 55; Tarpaulin 56; Joint 57; Tarpaulin 58.As shown in the figure, the seal lip part around the button 53 just in time is fit in the encapsulation groove 31 of drain pan 5.
As shown in Figure 6, in first housing 1 (low shell 5), the board side splicing ear 34c (referring to Fig. 3 and 7) of antenna bonding conductor 34 is connected to the high frequency waves input/output point of the radio circuit parts of installing on the circuitry substrate 45,, is connected to the distributing point of antenna by contact spring 54 that is.
As shown in the figure, FPC 55 is arranged in the space of coverings such as hinged cover 17,27.FPC 55 is joined to one another the circuit board in circuit board 45 in first housing 1 (drain pan 5) and second housing 2 (drain pan 12).
That is to say that the end of this FPC is by FPC hole 32 shown in Figure 5, the inside of introducing first housing 1 (drain pan 5).Joint 57 is arranged on the elongated end of an end of FPC 55, and is connected to the joint 49 on the circuit board 45.By tarpaulin 56 sealing FPC holes 32, tarpaulin 56 is combined into an integral body with FPC 55.
As shown in Figure 6, the other end of FPC 55 extends to the inside of second housing 2 (drain pan 12) by FPC hole 38.Though do not show among the figure that the elongated end of the other end of FPC 55 is provided with a joint.The other end of FPC 55 is connected to the circuit board in second housing 2 (drain pan 12) by this joint that does not show.With tarpaulin 58 sealing FPC holes 38, tarpaulin 58 is combined into an integral body with FPC 55.
As mentioned above and as shown in Figs. 4-6, in the present embodiment, antenna plate 43 is arranged on after the hinge member 3.
Antenna on the antenna plate 43, promptly, linear antenna unit 43b, 43c, be positioned on the antenna plate 43 away from the surface of hinge member 3 (promptly, with hinge member 3 one side facing surfaces), thereby reduced influence (more particularly, sending and constitute the electromagnetic influence of noise) from FPC 55 from FPC 55.
That is to say that shown in Fig. 7 A and 7B, antenna bonding conductor 34 is roughly L-shaped, antenna plate side splicing ear 34e is arranged on the back of hinge member 3, and is connected to the spring joint 43d (referring to Fig. 4 and 6) of antenna plate 43.The board side splicing ear 34c of antenna bonding conductor 34 passes through the antenna hole 33 that forms in partition wall, enter first housing 1 (drain pan 5), this partition wall is with first housing 1 (drain pan 5) of hinge member 3, containment circuit board 45 etc. separately (outer wall that also holds simultaneously, sunk part 41 as antenna).The board side splicing ear 34c of antenna bonding conductor 34 enters first housing 1, is connected to the contact spring 54 (referring to Fig. 3 and 6) that is provided with on the circuit board 45.Contact spring 54 is connected on the circuit board 45 the radio circuit parts of assembling, and works as the input/output point (distributing point of antenna) of high frequency waves.
Adopt this structure, the antenna current of the antenna bonding conductor 34 of flowing through becomes maximum near this distributing point.
In this embodiment, antenna bonding conductor 34 is configured to unipole antenna in the part near distributing point, promptly, antenna bonding conductor 34 is being provided with in the following manner near the part of distributing point: along the longitudinally of housing (vertical when communicate by letter direction) extension, and with unipole antenna work.The antenna bonding conductor 34 that is configured to unipole antenna mixes with built-in aerial.That is, linear antenna unit 43b, 43c and antenna bonding conductor 34 constitute a hybrid antenna.
Correspondingly, be configured to this part contribution that transmitted and received of unipole antenna to the perpendicular polarization component, thus the gain that has improved the perpendicular polarization component.
In the portable radio communication device such as cell phone, adopt quarter-wave aerial usually, its electrical length in communication band is 1/8th wavelength.
Therefore, in the present embodiment, the 43b of linear antenna unit on antenna bonding conductor 34 (that is, its sheet metal 34a) and the antenna plate 43 works together, and becomes quarter-wave aerial.
Correspondingly, the 43b of the unit of the linear antenna on the antenna plate 43 itself needs not to be quarter-wave.Therefore, antenna plate 43 is able to miniaturization, and can be contained in the part of hinge member 3 back, and this part can't provide enough spaces at the longitudinally of first housing 1 (drain pan 5).
So, do not need the part of giving prominence on the hinge member side part, thereby make first housing 1 be able to miniaturization.
Because being the antenna plate 43 of built-in aerial, the 43b of its linear antenna unit is able to miniaturization, so, reduced the gain of perpendicular polarization component.But the gain of perpendicular polarization component is replenished by 43b of unit of the linear antenna on the antenna plate 43 and antenna bonding conductor 34, and antenna bonding conductor 34 constitutes hybrid antenna, and is configured to unipole antenna.Therefore, the gain of perpendicular polarization component has improved.
We it is desirable for the 43b (linear antenna that is used to communicate by letter) of linear antenna unit on the antenna plate 43 and the electrical length of antenna bonding conductor 34 all should be 1/8th of communication band medium wavelength separately, but also can work well for eight/a period of time being approximately.For example, even if the electrical length of unipole antenna part in communication band less than eight of wavelength/, also can transmit and receive the perpendicular polarization component well once approximately be 1/8th.That is to say, improve the gain of perpendicular polarization component.
In the present embodiment, adopted vibrator has been arranged near the antenna bonding conductor 34 structure, as shown in Figure 3, but, the influence that vibrator 37 produces (more particularly, when vibrator 37 work and when becoming noise, the electromagnetic influence of sending from vibrator 37) be minimized, this is because antenna bonding conductor 34 is along the direction bending away from vibrator 37.
Though do not show among the figure, but, in the sheet metal 34a of antenna bonding conductor 34, with antenna plate side splicing ear 34e and board side splicing ear 34c joined portions, promptly, along the sheet metal 34a part that the longitudinally of first housing 1 (drain pan 5) extends, mould moulding as follows: be arranged on a side away from vibrator 37.Owing to adopted this structure, antenna bonding conductor 34 also can not be subjected to the influence of vibrator 37.
As shown in Figure 4, the antenna plate side splicing ear 34e of antenna bonding conductor 34 is arranged on after the hinge member 3, be provided with according to the mode that pulls to partition wall, this partition wall separates the inside of hinge member 3 and first housing 1 (drain pan 5), so can not be subjected to the influence of FPC 55.
Fig. 8 shows the improvement of antenna pattern.
As shown in the figure, antenna plate 61 is by processing linear antenna unit 61b, 61c, and linear antenna unit 61b, 61c be by carrying out machine-shaping to copper film, and extends to the outside and middle part from feed electrode 61a.
In the figure, the outside thick linear antenna 61b of unit extends from the left side around antenna plate 61, is used for communication.The middle thin linear antenna 61c of unit extends to left side bearing ground, is used for GPS. Linear antenna unit 61b, 61c are improved unipole antennas.
Though do not show among the figure, antenna plate 61 itself is with spring joint, and it reaches a relative side from feed electrode 61a.
In the aforementioned embodiment, given description is at the situation that cell phone is used as the Foldable portable wireless communication apparatus example, but the invention is not restricted to this situation, also can be used for laptop computer, PDA (personal digital assistant) and have other portable radio communication devices of radio communication function.
A kind of portable radio communication device can be as follows: first housing has a microphone at least, and second housing has a receiver; Perhaps, first housing has a functional unit, and second housing has a display unit.
In the present embodiment, although the situation that will be made of the antenna bonding conductor the sheet metal that resin is moulded is as an example, the sheet metal or the metal wire that also can use non-resin to mould.
The shape etc. that is arranged on the antenna of hinge member back is arbitrarily, let alone be that other details and structure also can appropriate changes.For example, the antenna that is arranged on the hinge member back can be a linear antenna, also can be the wire antenna (as helical antenna) that is Any shape, along the antenna of foil bending, and, be formed on the antenna pattern on the flexible board rather than on the rigid plate.If on flexible board, form antenna, then can form the electric conducting material that antenna pattern is connected with distributing point with copper film patterns with copper film.
Under the situation that does not break away from broader spirit of the present invention and protection range, can make various embodiment and variation.The foregoing description only is used to illustrate the present invention, and unrestricted protection scope of the present invention.Protection scope of the present invention by appending claims but not embodiment decide.At claims of the present invention and be equal to the various modifications of making in the scope of the meaning and all should be considered as falling into protection scope of the present invention.
The application requires the priority of Japanese patent application No.2005-211695 that submitted to July 21 in 2005 and the Japanese patent application No.2006-88117 that submitted to March 28 in 2006, and the application is incorporated in two pieces of applications of back in full into.
Claims (9)
1, a kind of Foldable portable wireless communication apparatus comprises:
First housing one of has in microphone and the functional unit at least;
Second housing one of has in receiver and the display unit at least, and is linked at rotationally with described first housing by hinge member, and described hinge member is arranged on the end portion of described first housing, is positioned at its front one side;
First antenna element is arranged in the zone in described first housing, and this zone is in the back of described hinge member;
Circuit board, be arranged in described first housing not with an overlapping zone of described hinge member in, and be equipped with the radio circuit parts above it; And
Bonding conductor, the high frequency waves input/output point of the radio circuit parts on described first antenna element and the described circuit board is coupled together, near along described first housing described high frequency waves input/output point longitudinally extends, and therefore is configured to unipole antenna as second antenna element.
2, according to the described Foldable portable wireless communication apparatus of claim 1, wherein, described bonding conductor constitutes quarter-wave aerial with described first antenna element.
3, according to the described Foldable portable wireless communication apparatus of claim 1, wherein, described bonding conductor and described first antenna element electrical length separately approximately are 1/8th of communication band medium wavelengths.
4, according to the described Foldable portable wireless communication apparatus of claim 1, wherein, described first antenna element is a linear antenna unit.
5, according to the described Foldable portable wireless communication apparatus of claim 1, wherein, described first antenna element is improved unipole antenna.
6, according to the described Foldable portable wireless communication apparatus of claim 1, wherein, described first antenna element is the flat plane antenna unit that approaches.
7, according to the described Foldable portable wireless communication apparatus of claim 1, wherein, described first antenna element is formed on the printed panel.
8, according to the described Foldable portable wireless communication apparatus of claim 1, wherein, described bonding conductor comprises sheet metal.
9, according to the described Foldable portable wireless communication apparatus of claim 8, wherein, described sheet metal fashions into one by embedding moulding and resin.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP211695/2005 | 2005-07-21 | ||
| JP2005211695 | 2005-07-21 | ||
| JP088117/2006 | 2006-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1901560A true CN1901560A (en) | 2007-01-24 |
| CN100505785C CN100505785C (en) | 2009-06-24 |
Family
ID=37657297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610106121XA Expired - Fee Related CN100505785C (en) | 2005-07-21 | 2006-07-20 | Foldable portable wireless communication apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100505785C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238253A (en) * | 2010-04-26 | 2011-11-09 | Nec卡西欧移动通信株式会社 | Portable communication terminal |
| CN107919527A (en) * | 2017-11-07 | 2018-04-17 | 电连技术股份有限公司 | A kind of antenna assembly and terminal device |
| CN110392151A (en) * | 2019-08-16 | 2019-10-29 | 重庆蓝岸通讯技术有限公司 | A kind of clamshell phone improving antenna performance |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411873B (en) * | 2017-08-17 | 2021-05-11 | Lg电子株式会社 | Electronic device |
-
2006
- 2006-07-20 CN CNB200610106121XA patent/CN100505785C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238253A (en) * | 2010-04-26 | 2011-11-09 | Nec卡西欧移动通信株式会社 | Portable communication terminal |
| CN102238253B (en) * | 2010-04-26 | 2015-06-24 | Nec卡西欧移动通信株式会社 | Portable communication terminal |
| CN107919527A (en) * | 2017-11-07 | 2018-04-17 | 电连技术股份有限公司 | A kind of antenna assembly and terminal device |
| CN110392151A (en) * | 2019-08-16 | 2019-10-29 | 重庆蓝岸通讯技术有限公司 | A kind of clamshell phone improving antenna performance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100505785C (en) | 2009-06-24 |
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