CN104852129B - Antenna assembly - Google Patents

Abstract

The present invention relates to antenna assembly, even small-sized and mutiple antennas integration is also obtained to required insulation.The substantially central portion of the 1st element (11) and the 2nd element (12) is set to bend to anti-" く " font, so that the 1st element (11) is spaced in substantially central portion with the 2nd element (12) and becomes larger.In addition, the opposite angle, θ 1 of the pattern of the 1st power supply matching part (11b) and the pattern of the 2nd power supply matching part (12b) is set as about 90 °.With this configuration, the insulation characterisitic of 10db or more can be obtained in designing frequency band.

Description

Antenna assembly

Technical field

The present invention relates to the antenna assemblies for the miniaturization for having the mutiple antennas element being closely configured with.

Background technology

In recent years, along with the universal of LTE (Long Term Evolution, long term evolution) communication module, Neng Gouyu The exploitation of the corresponding antennas of MIMO (Multiple Input Multiple Output, multiple-input and multiple-output) is at when business It is anxious.LTE is one of mobile phone communications standard, is the communication standard for further making currently the 3rd generation mobile phone as mainstream The standard of (3G) high speed, theoretic highest communication speed are set as 100Mbps or more in download, are set in upper crossing At 50Mbps or more.Therefore, the wireless communication technique for the frequency band that data transmit and receive is widened as mutiple antennas is combined MIMO is loaded into LTE communication module.In MIMO, different data are sent simultaneously by mutiple antennas, are passed through when receiving It synthesizes virtually to realize broadband, realizes the high speed of communication.Can obtain in theory with 2 antennas increase by 2 times of bandwidth, 3 antennas increase the identical effect of 3 times of bandwidth.The raising for the handling capacity realized in this way by MIMO technology is more by carrying Root antenna obtains.

Can be in antenna assembly corresponding with MIMO, due to having multiple element, so being difficult to minimize, if small-sized If change, then element configures close to each other, and it is possible to the insulation degradations between element.It can be with MIMO as previous Corresponding antenna assembly, the small of the insulation between 2 antenna elements can be ensured by having recorded in patent document 1 to patent document 3 The MIMO antenna device of type.

Existing technical literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2012-182536 bulletins

Patent document 2：Japanese Unexamined Patent Publication 2007-97167 bulletins

Patent document 3：Japanese Unexamined Patent Publication 2011-77608 bulletins

Invention content

Figure 29 shows the structure for capableing of an example of previous antenna assembly corresponding with MIMO.Antenna shown in Figure 29 Device 100 is formed with the 1st element 111 on the surface of substrate 110, and the 2nd element 112 is formed at the back side of substrate 110.1st yuan Part 111 and the 2nd element 112 are set as identical shape, are substantially overlappingly formed across substrate 110, the knot on the surface of substrate 110 The structure at structure and the back side is symmetric shape.The lower end of 1st element 111 connect with the 1st power supply matching part 111b, and the is connected in upper end 1 shortens coil 111a.It is formed with the those widened sections of anti-triangle in the midway of the 1st element 111.In addition, under the 2nd element 112 End is connect with the 2nd power supply matching part 112b, and in upper end, coil 112a is shortened in connection the 2nd.It is also formed in the midway of the 2nd element 112 There are the those widened sections of anti-triangle.

Illustrated length L20 is to include the 1st the 1st element 111 for shortening coil 111a or shorten coil including the 2nd The design frequency band of antenna assembly 100 is being set as 814MHz by the physical length from front end to lower end of the 2nd element 112 of 112a When~894MHz, if the wavelength of 830MHz is expressed as λ, length L20 is set as about 0.324 λ (about 117mm).At this time The 1st element 111 including the 1st shortening coil 111a is with the electrical length of the 2nd element 112 for shortening coil 112a including the 2nd About λ/2.In this way, the 1st element 111 and the 2nd element 112 become the idol of the end power supply (power voltage supply) of the about electrical length of λ/2 Pole antenna.In the dipole antenna of end power supply, the impedance of supply terminals is got higher, so being obtained by the 1st power supply matching part 111b Matching and from the 1st element 111 of supply lines pair (not shown) power, and by the 2nd power supply matching part 112b obtain matching by from The 2nd element 112 of supply lines pair power supply (not shown).

Figure 30 (a) shows the 1st element 111 and the 2nd that length L20 is set as to the previous antenna assembly 100 of above-mentioned length The frequency characteristic of insulation between element 112, Figure 30 (b) show that the frequency of the voltage standing wave ratio (VSWR) of the 1st element 111 is special Property, Figure 30 (c) shows the frequency characteristic of the VSWR of the 2nd element 112.With reference to these figures, in the design frequency of 814MHz~894MHz In band, insulation can obtain about -6db or more.In addition, in the design frequency band of 814MHz~894MHz, the 1st element 111 obtains About 2.2 VSWR below, the 2nd element 112 obtain about 2.5 VSWR below.Insulation characterisitic is bad be considered as due to：1st yuan Part 111 and the 2nd element 112 only mutually the thickness from substrate 110 and closely configure and with across the Chong Die side of substrate 110 Formula is arranged as opposed to.

As the insulation between 2 elements, it is desirable that the insulation of -10db or more, in order to ensure insulation more than -10db, figure 31 show to increase the knot of another example for capableing of previous antenna assembly corresponding with MIMO of the distance between 2 elements Structure.Antenna assembly 200 shown in Figure 31 is formed with the 1st yuan in the left side on a surface of the substrate 210 for having widened width degree Part 211 is formed with the 2nd element 212 in right side.1st element 211 and the 2nd element 212 are set as identical shape, in substrate 210 two side lines are asymmetrically formed.The lower end of 1st element 211 is connect with the 1st power supply matching part 211b, the 1st contracting of connection in upper end Short coil 211a.It is formed with the those widened sections of anti-triangle in the midway of the 1st element 211.In addition, the lower end of the 2nd element 212 with 2nd power supply matching part 212b connections, in upper end, coil 212a is shortened in connection the 2nd.It is also formed with instead in the midway of the 2nd element 212 The those widened sections of triangle.

The length L21 of diagram is to include the 1st the 1st element 211 for shortening coil 211a or shorten coil 212a including the 2nd The 2nd element 212 the physical length from front end to lower end, by the design frequency band of antenna assembly 200 be set as 814MHz~ When 894MHz, if the wavelength of 830MHz is expressed as λ, length L21 is set as about 0.324 λ (about 117mm).Packet at this time The electrical length of the 1st element 211 and the 2nd element 212 for shortening coil 212a including the 2nd that include the 1st shortening coil 211a is about λ/2.In addition, length L22 is the distance between the 1st element 211 and the 2nd element 212, it is set as about 0.112 λ (about 40mm).This Sample, the 1st element 211 and the 2nd element 212 become the dipole antenna of the end power supply (power voltage supply) of the about electrical length of λ/2. In the dipole antenna of end power supply, the impedance of supply terminals is got higher, so by the 1st power supply matching part 211b obtains matching never The 1st element 211 of supply lines pair of diagram is powered, and from confession (not shown) by the 2nd power supply matching part 212b obtains matching The 2nd element 212 of wire pair is powered.

Figure 32 (a) show by length L21 be set as above-mentioned length previous antenna assembly 200 the 1st element 211 with The frequency characteristic of insulation between 2nd element 212, Figure 32 (b) show the frequency of the voltage standing wave ratio (VSWR) of the 1st element 211 Characteristic, Figure 32 (c) show the frequency characteristic of the VSWR of the 2nd element 212.With reference to these figures, in the design of 814MHz~894MHz In frequency band, insulation can obtain about -10db or more.In addition, in the design frequency band of 814MHz~894MHz, the 1st element 211 To about 1.8 VSWR below, the 2nd element 212 obtains about 2.0 VSWR below.In this way, if increasing the distance between antenna L22 then insulate raising, so understanding that the distance between antenna is extremely important.In addition, the raising of VSWR characteristics is considered depending on The raising of insulation characterisitic.

If antenna assembly 200 previous shown in antenna assembly 100 previous shown in comparison diagram 29 and Figure 31, Then there is this problem：Although can be minimized if so that the width of substrate is narrowed, it is unable to get required insulation, if It is separated out interval between 2 elements and is set as that the size of the substrate of required insulation can be obtained, then can not minimize.Can In antenna assembly corresponding with MIMO, it is desirable that between the small spatialization of installation position, the miniaturization of the antenna in design, antenna Insulation raising.

Therefore, even the object of the present invention is to provide small-sized and mutiple antennas integration can also be obtained institute The antenna assembly of the insulation needed.

The most important of antenna assembly according to the present invention is characterized in that having：Make the elongated square that width has narrowed The substrate of shape shape；It is formed in the pattern of the 1st element on the surface of the substrate；Be formed in the back side of the substrate with described The pattern of the 2nd roughly the same element of 1 component shape；It is formed in the lower part of the substrate and is connected to the 1st element The pattern of 1st power supply matching part of lower end；And it is formed in the lower part of the substrate and is connected to the lower end of the 2nd element The 2nd power supply matching part pattern, make the substantially central portion of the 1st element and the 2nd element be bent so that described The substantially central portion that is spaced in of 1st element and the 2nd element becomes larger.

The present invention antenna assembly make the substantially central portion of the 1st element and the 2nd element be bent so that the 1st element with The substantially central portion that is spaced in of 2nd element becomes larger, even so it is small-sized and by mutiple antennas integration, can also design It obtains act required enough insulation characterisitics and VSWR characteristics in frequency band.

Description of the drawings

Fig. 1 is the figure of the structure for the antenna assembly for showing the 1st embodiment of the present invention.

Fig. 2 is the figure of another structure for the antenna assembly for showing the 1st embodiment of the present invention.

Fig. 3 is the figure of the insulation characterisitic for the antenna assembly for showing the 1st embodiment of the present invention, VSWR characteristics.

Fig. 4 is the figure of the structure for the antenna assembly for showing the 2nd embodiment of the present invention.

Fig. 5 is the figure of the insulation characterisitic for the antenna assembly for showing the 2nd embodiment of the present invention, VSWR characteristics.

Fig. 6 is the figure of the structure for the antenna assembly for showing the 3rd embodiment of the present invention.

Fig. 7 is the figure of the insulation characterisitic for the antenna assembly for showing the 3rd embodiment of the present invention, VSWR characteristics.

Fig. 8 is the figure for the structure for showing the 1st substrate in the antenna assembly of the 4th embodiment of the present invention.

Fig. 9 is the figure for another structure for showing the 1st substrate in the antenna assembly of the 4th embodiment of the present invention.

Figure 10 is the structure for showing the 2nd substrate and the 3rd substrate in the antenna assembly of the 4th embodiment of the present invention Figure.

Figure 11 is the structure for assembling the 2nd substrate and the 3rd substrate shown in the antenna assembly of the 4th embodiment of the present invention Figure.

Figure 12 is to show to assemble the 2nd substrate and the 3rd on the 1st substrate in the antenna assembly of the 4th embodiment of the present invention Substrate and the figure for being set as the structure of the antenna assembly of the 4th embodiment.

Figure 13 is the figure of the insulation characterisitic for the antenna assembly for showing the 4th embodiment of the present invention, VSWR characteristics.

Figure 14 is the figure of another insulation characterisitic for the antenna assembly for showing the 4th embodiment of the present invention, VSWR characteristics.

Figure 15 is the figure of the yet another insulation characterisitic for the antenna assembly for showing the 4th embodiment of the present invention, VSWR characteristics.

Figure 16 is the figure of the structure for the antenna assembly for showing the 5th embodiment of the present invention.

Figure 17 is the figure of the insulation characterisitic for the antenna assembly for showing the 5th embodiment of the present invention, VSWR characteristics.

Figure 18 is the figure of the structure for the antenna assembly for showing the 1st reference example according to the present invention.

Figure 19 is the figure of the insulation characterisitic for the antenna assembly for showing the 1st reference example according to the present invention, VSWR characteristics.

Figure 20 is the figure of the structure for the antenna assembly for showing the 2nd reference example according to the present invention.

Figure 21 is the figure of the insulation characterisitic for the antenna assembly for showing the 2nd reference example according to the present invention, VSWR characteristics.

Figure 22 is the figure of the structure for the antenna assembly for showing the 3rd reference example according to the present invention.

Figure 23 is the figure of the insulation characterisitic for the antenna assembly for showing the 3rd reference example according to the present invention, VSWR characteristics.

Figure 24 is the figure of the structure for the antenna assembly for showing the 4th reference example according to the present invention.

Figure 25 is the figure of the insulation characterisitic for the antenna assembly for showing the 4th reference example according to the present invention, VSWR characteristics.

Figure 26 is the figure of the structure for the antenna assembly for showing the 6th embodiment of the present invention.

Figure 27 is the exploded view of the structure for the antenna assembly for showing the 6th embodiment of the present invention.

Figure 28 is another exploded view of the structure for the antenna assembly for showing the 6th embodiment of the present invention.

Figure 29 is the figure for the structure for showing previous antenna assembly.

Figure 30 is the figure of the insulation characterisitic for showing previous antenna assembly, VSWR characteristics.

Figure 31 is the figure for the structure for showing another previous antenna assembly.

Figure 32 is the figure of the insulation characterisitic for showing another previous antenna assembly, VSWR characteristics.

Symbol description

1,2,3,4,5,6,6 ', 7,8,9 antenna assembly, 10 substrates, 10a circular holes, 10b square holes, 10c notch sections, 10d the 1st Groove portion, the 2nd groove portions of 10e, 11 the 1st elements, 11a the 1st shorten coil, the power supplies of 11b the 1st matching part, 12 the 2nd elements, the contractings of 12a the 2nd Short coil, the power supplies of 12b the 2nd matching part, the power supplies of 21a the 1st matching part, the power supplies of 22a the 2nd matching part, 31 the 1st elements, 31a the 1st contract Short coil, the power supplies of 31b the 1st matching part, 32 the 2nd elements, the shortening coils of 32a the 2nd, the power supplies of 32b the 2nd matching part, 40 the 1st substrates, The 1st slot holes of 40a, the 2nd slot holes of 40b, 40c bevel edges, the 1st groove portions of 40d, the 2nd groove portions of 40e, 41 the 1st elements, 41a the 1st shorten coil, The power supplies of 41b the 1st matching part, 42 the 2nd elements, 42a the 2nd shorten coil, the power supplies of 42b the 2nd matching part, 44 the 2nd substrates, 44a insertions Piece, the protrusions 44b, 44c recess portions, the protrusions 44d, the protrusions 44e, 44f bevel edges, the auxiliary sections 44g, 45 the 3rd elements, the 3rd elements of 45a, 45b 3rd element, the 3rd elements of 45c, 46 the 4th elements, the 4th elements of 46a, the 4th elements of 46b, 47 the 3rd substrates, 47a are inserted into hole, and 47b is recessed Portion, the protrusions 47c, 47d recess portions, 47e recess portions, 47f bevel edges, 47g engagement tabs, 47h tablettings, 48a the 3rd shorten coil, and 48b the 4th contracts Short coil, the power supplies of 49a the 3rd matching part, the power supplies of 49b the 4th matching part, 50 substrates, 50c notch sections, 51 the 1st elements, 51a the 1st contract Short coil, the power supplies of 51b the 1st matching part, 52 the 2nd elements, the shortening coils of 52a the 2nd, the power supplies of 52b the 2nd matching part, 60 substrates, 61, 61 ' the 1st elements, 61a the 1st shorten coil, and 61b the 1st powers matching part, 62,62 ' the 2nd elements, and 62a the 2nd shortens coil, 62b the 2 power supply matching parts, 70 substrates, 71 the 1st elements, 71a the 1st shorten coil, the power supplies of 71b the 1st matching part, 72 the 2nd elements, 72a the 2nd Shortening coil, the power supplies of 72b the 2nd matching part, 80 substrates, 81 the 1st elements, the shortening coils of 81a the 1st, the power supplies of 81b the 1st matching part, 82 2nd element, 82a the 2nd shorten coil, the power supplies of 82b the 2nd matching part, 90 frameworks, 91 lids, the bottoms 91a, the both sides 91b, 91c convexs Rib, 91d convex ribs, 91e press rib, 91f bonding pads, 92 pedestals, 92a circular bosses, the side's 92b boss, 92c bottom plates, 92c Bottom, the engaging portions 92d, 93a coaxial cables, 93b coaxial cables, 100 antenna assemblies, 110 substrates, 111 the 1st elements, 111a the 1st Shortening coil, the power supplies of 111b the 1st matching part, 112 the 2nd elements, the shortening coils of 112a the 2nd, the power supplies of 112b the 2nd matching part, 200 days Line apparatus, 210 substrates, 211 the 1st elements, 211a the 1st shorten coil, and 211b the 1st powers matching part, 212 the 2nd elements, 212a the 2 shorten coil, the power supplies of 212b the 2nd matching part

Specific implementation mode

Fig. 1,2 show the present invention the 1st embodiment antenna assembly structure.Fig. 1 is to show that the day of the 1st embodiment is traditional thread binding The figure of the structure on 1 surface is set, Fig. 2 is the figure of the structure at the back side for the antenna assembly 1 for showing the 1st embodiment.

The antenna assembly 1 of 1st embodiment be set as can antenna assembly corresponding with MIMO, have 2 elements.The 1st It is as shown in Figure 1, 2, good by high frequency characteristicses such as glass epoxy substrate, ptfe substrates in the antenna assembly 1 of embodiment The substrate 10 of matrix structure is set as the elongated rectangular shape for making width narrow.On the surface of substrate 10, it is formed with the 1st yuan The pattern of part 11, the back side of substrate 10 are formed with the pattern of the 2nd element 12.1st element 11 is bent to anti-" く " with substantially central portion Font and from lower end towards the upper end mode that gradually width broadens come anti-triangle formed, be set as carefully in upper end Long shape.2nd element 12 is set as shape identical with the 1st element 11, is relatively formed across substrate 10, the table of substrate 10 The structure in face and the structure at the back side are symmetric shape.In this case, the 1st element 11 and the 2nd element 12 are formed upper Portion intersects across substrate 10, but in addition to the part to intersect, and the pattern of two elements is not overlapped.The lower end of 1st element 11 It is connect with the 1st power supply matching part 11b, in upper end, coil 11a is shortened in connection the 1st.In addition, the lower end of the 2nd element 12 and the 2nd power supply Matching part 12b connections, in upper end, coil 12a is shortened in connection the 2nd.1st power supply matching part 11b's and the 2nd power supply matching part 12b Pattern is formed relative to substrate 10 to about 45 ° of ground of right rotation, and the pattern of the 2nd power supply matching part 12b is relatively relative to the 1st power supply 1 ground pattern rotation angle θ of matching part 11b is formed.In addition, of the 1st power supply matching part 11b and the 2nd power supply matching part 12b With circuit for example, by using the lc circuit of π types, to patterned solder coil, capacitor, but its diagram is omitted, illustrates only matching electricity The pattern on road.

Length L1 shown in Fig. 2 is to include the 1st the 1st element 11 for shortening coil 11a or shorten coil 12a including the 2nd The 2nd element 12 the physical length from front end to lower end, the design frequency band of antenna assembly 1 is being set as 814MHz~894MHz When, if the wavelength of 830MHz is expressed as λ, length L1 is set as about 0.333 λ (about 119mm).At this time include the 1st contracting The 1st element 11 of short coil 11a with the electrical length of the 2nd element 12 including the 2nd shortening coil 12a is about λ/2.In addition, long Degree L2 is the physical length from lower end to the position for bending to anti-" く " font of the 1st element 11 or the 2nd element 12, is set as About 0.162 λ (about 58mm).Further, interval D 1 is the position for bending to anti-" く " font of the 1st element 11 and the 2nd element 12 The distance between, interval D 1 is set as about 0.022 λ (about 8mm).In turn, the 2nd relative to the pattern of the 1st power supply matching part 11b The angle, θ 1 of the pattern of power supply matching part 12b is set as about 90 °.

Herein, the 1st element 11 and the 2nd element 12 become the idol of the end power supply (power voltage supply) of the about electrical length of λ/2 Pole antenna.In the dipole antenna of end power supply, the impedance of supply terminals is got higher, so passing through the 1st power supply matching part 11b acquirements Match and power from the 1st element 11 of supply lines pair (not shown), and never schemes by the 2nd power supply matching part 12b obtains matching The 2nd element 12 of the supply lines pair power supply shown.

Fig. 3 (a) shows the antenna assembly 1 that length L1, L2 and interval D 1 have been set as to the 1st embodiment of above-mentioned size The frequency characteristic of insulation between 1st element 11 and the 2nd element 12, Fig. 3 (b) show the voltage standing wave ratio of the 1st element 11 (VSWR) frequency characteristic, Fig. 3 (c) show the frequency characteristic of the VSWR of the 2nd element 12.With reference to these figures, 814MHz~ In the design frequency band of 894MHz, insulation can obtain the good insulation characterisitic of about -12db or more.In addition, 814MHz~ In the design frequency band of 894MHz, the VSWR characteristics of the 1st element 11 are the spy within about 3.0 and being set as resonating in about 845MHz Property, the VSWR characteristics of the 2nd element 12 are the VSWR characteristics within about 3.0 and being set as resonating in about 850MHz.In this way, the 1st is real The antenna assembly 1 for applying example is respectively formed with the 1st element 11 and the 2nd element 12 on the surface of the narrow substrate 10 of width and the back side, leads to Crossing makes the shape of the 1st element 11 and the 2nd element 12 bend to anti-" く " font, and to not be overlapped substantially each other, and the 1st supplies The angle of the power supplies of electric matching part 11b and the 2nd matching part 12b is set as about 90 °, it is possible to think the energy in above-mentioned design frequency band It accesses and act required enough insulation characterisitics and VSWR characteristics.

In addition, being formed with circular hole 10a in the substantial middle of substrate 10 respectively, it is formed with square hole 10b in the both sides on top, and And it is respectively formed the 1st groove portion 10d compared to the top in center in two sides, and form the 2nd groove portion 10e in top, two in lower end Side is respectively formed with the notch section 10c being mutually inclined.These circular holes 10a, square hole 10b, the 1st groove portion 10d, the 2nd groove portion 10e exist When antenna assembly 1 is received into aftermentioned framework, for installing purposes and location purposes.

Then, Fig. 3 shows the structure of the antenna assembly of the 2nd embodiment of the present invention.Fig. 3 is the day for showing the 2nd embodiment The figure of the structure on the surface of line apparatus 2.

The antenna assembly 2 of 2nd embodiment be set as can antenna assembly corresponding with MIMO, have 2 elements.Such as Fig. 3 Shown, the antenna assembly 2 of the 2nd embodiment is different from the power supply structure of matching part of the antenna assembly 1 of the 1st embodiment, but other Structure is set as the structure common with the antenna assembly 1 of the 1st embodiment.Herein, it is substantially carried out the antenna assembly of the 2nd embodiment The explanation of 2 power supply matching part, substantially omits the explanation of common structure.It is formed with the 1st element 11 on the surface of substrate 10 Pattern is formed with the pattern of the 2nd element 12 at the back side of substrate 10.1st element 11 and the 2nd element 12 are formed substantial middle Portion is bent to anti-" く " font and intersects across substrate 10 on top, and in addition to the part to intersect, two elements do not weigh It is folded.The lower end of 1st element 11 is connect with the 1st power supply matching part 21a, and in upper end, coil 11a is shortened in connection the 1st.In addition, the 2nd yuan The lower end of part 12 is connect with the 2nd power supply matching part 22a, and in upper end, coil 12a is shortened in connection the 2nd.1st power supply matching part 21a's Pattern and the pattern of the 2nd power supply matching part 22a by only substantially central portion across substrate 10 it is Chong Die in a manner of from central portion to one Side and formed.In addition, LC of the match circuit of the 1st power supply matching part 21a and the 2nd power supply matching part 22a for example, by using π types Circuit, but the diagram of coil, capacitor is omitted, illustrate only the pattern of match circuit.

As the 2nd element 12 for shortening the 1st element 11 of coil 11a including the 1st or shortening coil 12a including the 2nd The length of physical length from front end to lower end is set as about 0.333 λ (about 119mm), at this time include the 1st shortening coil 11a The 1st element 11, with the electrical length of the 2nd element 12 including the 2nd shortening coil 12a be about λ/2.In addition, the 1st element 11 or The physical length from lower end to the position for bending to anti-" く " font of the 2nd element 12 of person is set as about 0.162 λ (about 58mm).Into One step, the distance between the position for bending to anti-" く " font of the 1st element 11 and the 2nd element 12 is set as about 0.022 λ (about 8mm)。

Herein, the 1st element 11 and the 2nd element 12 become the idol of the end power supply (power voltage supply) of the about electrical length of λ/2 Pole antenna.In the dipole antenna of end power supply, the impedance of supply terminals is got higher, so passing through the 1st power supply matching part 21a acquirements Match and power from the 1st element 11 of supply lines pair (not shown), and never schemes by the 2nd power supply matching part 22a obtains matching The 2nd element 12 of the supply lines pair power supply shown.

Fig. 5 (a) shows the 1st element 11 and the 2nd element of the antenna assembly 2 for the 2nd embodiment for being set as above-mentioned size The frequency characteristic of insulation between 12, Fig. 5 (b) show the frequency characteristic of the voltage standing wave ratio (VSWR) of the 1st element 11, Fig. 5 (c) The frequency characteristic of the VSWR of 2nd element 12 is shown.With reference to these figures, in the design frequency band of 814MHz~894MHz, insulate energy Access the good insulation characterisitic of about -10db or more.In addition, in the design frequency band of 814MHz~894MHz, the 1st element 11 VSWR characteristics be the characteristic within about 3.9 and being set as resonating in about 850MHz, the VSWR characteristics of the 2nd element 12 are about 3.8 Within and be set as the VSWR characteristics to resonate in about 850MHz.In this way, the substrate that the antenna assembly 2 of the 2nd embodiment is narrow in width 10 surface is respectively formed with the 1st element 11 and the 2nd element 12 with the back side, by making the 1st element 11 and the 2nd element 12 substantially Central portion bends to anti-" く " font, to not be overlapped substantially each other, so it can be seen that can be obtained in above-mentioned design frequency band To carrying out acting required enough insulation characterisitics and VSWR characteristics.

Then, Fig. 6 shows the structure of the antenna assembly of the 3rd embodiment of the present invention.Fig. 6 is the day for showing the 3rd embodiment The figure of the structure on the surface of line apparatus 3.

The antenna assembly 3 of 3rd embodiment be set as can antenna assembly corresponding with MIMO, have 2 elements.Such as Fig. 6 Shown, the antenna assembly 3 of the 3rd embodiment is different from the structure of 2 elements of antenna assembly 1 of the 1st embodiment, but other structures It is set as the structure common with the antenna assembly 1 of the 1st embodiment.Herein, the 2 of the antenna assembly 3 of the 3rd embodiment are substantially carried out The explanation of a element substantially omits the explanation of common structure.The surface of substrate 10, which is formed with, forms anti-triangle halfway The pattern of the 1st linear element 31 of the those widened sections of shape, the back side of substrate 10, which is formed with, forms anti-triangle halfway Those widened sections the 2nd linear element 32 pattern.1st element 31 and the 2nd element 32 are by across in a manner of substrate 10 is opposite Overlappingly formed.The lower end of 1st element 31 is connect with the 1st power supply matching part 31b, and in upper end, coil 31a is shortened in connection the 1st.Separately Outside, the lower end of the 2nd element 32 is connect with the 2nd power supply matching part 32b, and in upper end, coil 32a is shortened in connection the 2nd.1st power supply matching The pattern of the pattern of portion 31b and the 2nd power supply matching part 32b are formed relative to substrate 10 to about 45 ° of ground of right rotation, the 2nd power supply The pattern of matching part 32b is relatively formed relative to 2 ground pattern rotation θ of the 1st power supply matching part 31b.In addition, the 1st power supply Match circuit with the power supplies of portion 31b and the 2nd matching part 32b but omits coil, capacitor for example, by using the lc circuit of π types Diagram, illustrates only the pattern of match circuit.

Length L3 shown in fig. 6 is to include the 1st the 1st element 31 for shortening coil 31a or shorten coil 32a including the 2nd The 2nd element 32 the physical length from front end to lower end, the design frequency band of antenna assembly 3 is being set as 814MHz~894MHz When, length L3 is set as about 0.324 λ (about 117mm).At this time include the 1st shorten coil 31a the 1st element 31, with including the The electrical length of the 2nd element 32 of 2 shortening coil 32a is about λ/2.In addition, the 2nd power supply relative to the 1st power supply matching part 31b The angle, θ 2 of matching part 32b is set as about 90 °.

Herein, the 1st element 31 and the 2nd element 32 become the idol of the end power supply (power voltage supply) of the about electrical length of λ/2 Pole antenna.In the dipole antenna of end power supply, the impedance of supply terminals is got higher, so passing through the 1st power supply matching part 31b acquirements Match and power from the 1st element 31 of supply lines pair (not shown), and never schemes by the 2nd power supply matching part 32b obtains matching The 2nd element 32 of the supply lines pair power supply shown.

Fig. 7 (a) shows the 1st element 31 that length L3 has been set as to the antenna assembly 3 of the 3rd embodiment of above-mentioned size and The frequency characteristic of insulation between 2 elements 32, Fig. 7 (b) show the frequency characteristic of the voltage standing wave ratio (VSWR) of the 1st element 31, Fig. 7 (c) shows the frequency characteristic of the VSWR of the 2nd element 32.With reference to these figures, in the design frequency band of 814MHz~894MHz, Insulation can obtain the insulation characterisitic of about -9db or more.In addition, in the design frequency band of 814MHz~894MHz, the 1st element 31 VSWR characteristics be the characteristic within about 2.2 and being set as resonating in about 810MHz, the VSWR characteristics of the 2nd element 32 are about 2.0 Within and be set as the VSWR characteristics to resonate in about 820MHz.In this way, in the antenna assembly 3 of the 3rd embodiment, it is narrow in width The surface and the back side of substrate 10, the 1st element 31 are respectively formed in an overlapping manner with the 2nd element 32, the 1st power supply matching part 31b It is set as about 90 ° with the angle of the 2nd power supply matching part 32b, it is possible to think to be carried out in above-mentioned design frequency band Enough insulation characterisitics and VSWR characteristics needed for action.

Then, Fig. 8 to Figure 12 shows the structure of the antenna assembly of the 4th embodiment of the present invention.Fig. 8 is to show the 4th implementation The figure of the structure on the surface of the 1st substrate 40 in the antenna assembly 4 of example, Fig. 9 is shown in the antenna assembly 4 of the 4th embodiment The figure of the structure at the back side of the 1st substrate 40, Figure 10 (a), (b) are the 2nd substrates 44 shown in the antenna assembly 4 of the 4th embodiment And the 3rd substrate 47 surface structure figure, Figure 11 is to show to assemble the 2nd substrate in the antenna assembly 4 of the 4th embodiment The figure of the structure of 44 and the 3rd substrate 47, Figure 12 be show to be assembled to the 2nd substrate 44 and the 3rd substrate 47 on the 1st substrate 40 and It is set as the figure of the structure of the antenna assembly 4 of the 4th embodiment.

The antenna assembly 4 of 4th embodiment be set as can antenna assembly corresponding with MIMO, have and be formed in the 1st base 4 elements of plate 40, the 2nd substrate 44, the 3rd substrate 47.The structure of the 1st substrate 40 in the antenna assembly 4 of 4th embodiment is as schemed 8, shown in 9, it is set as structure identical with the structure of substrate 10 of antenna assembly 1 of the 1st embodiment.That is, by glass epoxide The surface for the 1st substrate 40 that the good base material of the high frequency characteristicses such as substrate, ptfe substrate is constituted is formed with the 1st element 41 Pattern is formed with the pattern of the 2nd element 42 at the back side of the 1st substrate 40.1st element 41 is bent to instead with substantially central portion " く " font is formed from lower end towards the upper end anti-triangle of mode that gradually width broadens, is set as in upper end elongated Shape.2nd element 42 is set as shape identical with the 1st element 41, is relatively formed across the 1st substrate 40, the 1st substrate 40 Surface structure and the back side structure be symmetric shape.In this case, the 1st element 41 is formed with the 2nd element 42 It intersects across the 1st substrate 40 on top, in addition to the part to intersect, two elements are not overlapped.The lower end of 1st element 41 with 1st power supply matching part 41b connections, in upper end, coil 41a is shortened in connection the 1st.In addition, the lower end of the 2nd element 42 and the 2nd power supply With portion 42b connections, in upper end, coil 42a is shortened in connection the 2nd.The pattern of 1st power supply matching part 41b and the 2nd power supply matching part The pattern of 42b is formed relative to the 1st substrate 40 to about 45 ° of ground of right rotation, and the pattern of the 2nd power supply matching part 42b is relatively opposite It is formed in 3 ground pattern rotation angle θ of the 1st power supply matching part 41b.In addition, the 1st power supply matching part 41b and the 2nd power supply matching The match circuit of portion 42b for example, by using π types lc circuit, but omit coil, capacitor diagram, illustrate only match circuit Pattern.

Length L4 shown in Fig. 9 is to include the 1st the 1st element 41 for shortening coil 41a or shorten coil 42a including the 2nd The 2nd element 42 the physical length from front end to lower end, the design frequency band of antenna assembly 4 is being set as 814MHz~894MHz When, if the wavelength of 830MHz is expressed as λ, length L4 is set as about 0.333 λ (about 119mm).At this time include the 1st contracting The 1st element 41 of short coil 41a with the electrical length of the 2nd element 42 including the 2nd shortening coil 42a is about λ/2.In addition, long Degree L5 is the physical length from lower end to the position for bending to anti-" く " font of the 1st element 41 or the 2nd element 42, is set as About 0.162 λ (about 58mm).Further, interval D 4 is the position for bending to anti-" く " font of the 1st element 41 and the 2nd element 42 The distance between, interval D 4 is set as about 0.034 λ (about 12mm).In turn, the relative to the pattern of the 1st power supply matching part 41b The angle, θ 3 of the pattern of 2 power supply matching part 42b is set as about 90 °.

Herein, the 1st element 41 and the 2nd element 42 become the idol of the end power supply (power voltage supply) of the about electrical length of λ/2 Pole antenna.In the dipole antenna of end power supply, the impedance of supply terminals is got higher, so passing through the 1st power supply matching part 41b acquirements Match and power from the 1st element 41 of supply lines pair (not shown), and never schemes by the 2nd power supply matching part 42b obtains matching The 2nd element 42 of the supply lines pair power supply shown.

In addition, on the approximate centre axis of the 1st substrate 40, it is formed with width narrow the 1st slot hole 40a and the 2nd slot hole 40b, and the 1st groove portion 40d is formed in the substantial middle of top, the bevel edge 40c being mutually inclined is formed in the both sides of lower part, It is formed with the 2nd groove portion 40e below.These the 1st slot hole 40a, the 2nd slot hole 40b, the 1st groove portion 40d, the 2nd groove portion 40e are when in the 1st base It is used when assembling aftermentioned 2nd substrate 44 and 3 substrate 47 on plate 40.

Then, it shown in structure such as Figure 10 (a) of the 2nd substrate 44 in the antenna assembly 4 of the 4th embodiment, is set as the 1st The structure of one of them obtained from the substrate 10 of the antenna assembly 1 of embodiment substantially cuts half.That is, by glass epoxy substrate, gathering The 2nd substrate 44 that the good base material of the high frequency characteristicses such as tetrafluoroethene substrate is constituted is set as elongated rectangular shape, the 2nd The right side of substrate 44, the small insertion piece 44a of upper end width are convexly formed in the horizontal, and rectangle shape is formed on central portion The protrusion 44b of shape forms the recess portion 44c of rectangular shape in its lower section, in its lower section, forms the protrusion of rectangular shape 44d forms the protrusion 44e of rectangular shape in its lower section.The left side of the lower part of 2nd substrate 44 is set as bevel edge 44f, It is formed with auxiliary section 44g in lower end.On the surface of the 2nd substrate 44, with the top phase for being divided tripartite 3rd element 45 When the 3rd element 45a be formed obliquely from protrusion 44b to top, with the comparable 3rd element 45c in lower part from protrusion 44e to lower part It is formed obliquely.At the back side of the 2nd substrate 44, be formed with and be divided into two-part 4th element 46 central portion and The 4th element 46b of comparable anti-" く " font in lower part.In addition, forming the 3rd on the top of the 2nd substrate 44 shortens coil 48a, in table One of the pattern for being divided into two-part 3rd power supply matching part 49a is formed at the lower part in face, lower part overleaf be formed with by It is divided into one of the pattern of two-part 4th power supply matching part 49b.

In addition, structure such as Figure 10 (b) of the 3rd substrate 47 in the antenna assembly 4 of the 4th embodiment is shown, it is set as the 1st Other structures obtained from the substrate 10 of the antenna assembly 1 of embodiment substantially cuts half.That is, by glass epoxy substrate, polytetrafluoroethyl-ne The 3rd substrate 47 that the good base material of the high frequency characteristicses such as alkenyl plate is constituted is set as elongated rectangular shape, in the 3rd substrate 47 Left side, the small tabletting 47h of upper end width is convexly formed in the horizontal, and in its lower section, the narrow insertion hole 47a of width exists Horizontal to be upwardly formed, the recess portion 47b that rectangular shape is formed on central portion forms the protrusion of rectangular shape in its lower section 47c forms the recess portion 47d of rectangular shape in its lower section, in its lower section, is formed with the recess portion 47e of rectangular shape.By the 3rd The right edge of the lower part of substrate 47 is set as bevel edge 47f, and engagement tabs 47g is formed in lower end.On the surface of the 3rd substrate 47, The 3rd element 45b with comparable anti-" く " font of central portion for being divided tripartite 3rd element 45 is in protrusion 47c and recess portion It is formed on 47d.At the back side of the 3rd substrate 47, with comparable 4th element in top for being divided into two-part 4th element 46 46a is formed obliquely.In addition, forming the 4th on the top of the 3rd substrate 47 shortens coil 48b, the lower part on surface, formation is divided It is cut into another of the pattern of two-part 3rd power supply matching part 49a, lower part overleaf is formed with and is divided into two parts The 4th power supply matching part 49a pattern another.

Figure 11 shows the structure for assembling the 2nd substrate 44 and the 3rd substrate 47 shown in Figure 10 (a), (b).When by the 3rd base After the left side of plate 47 is docked to the right edge of the 2nd substrate 44, can assemble, assembling when, by the protrusion 44b of the 2nd substrate 44, Recess portion 44c, protrusion 44e are respectively cooperating with inserting for the recess portion 47b to the 3rd substrate 47, protrusion 47c, recess portion 47e, and the 2nd substrate 44 Enter piece 44a by the tabletting 47h of the 3rd substrate 47 is pressed be inserted into be inserted into hole 47a, the engagement tabs 47g of the 3rd substrate 47 is matched Close the auxiliary section 44g to the 2nd substrate 44.When assembling the 2nd substrate 44 and 3 substrate 47, become and the 1st base shown in Fig. 8,9 40 same structure of plate is divided into three parts on surface and is formed in the 3rd element of the 2nd substrate 44 and the 3rd substrate 47 45a, 45b, 45c are continuously formed, and form the 3rd element 45 that substantially central portion bends to anti-" く " font.3rd element 45a, The tie point of 45b, 45c can be electrically connected by welding, and the 3rd element 45 is by from lower end towards the upper end side that gradually width broadens Formula is formed with carrying out anti-triangle, and elongated shape is set as in upper end.In addition, being overleaf divided into two parts and being formed It is continuously formed in the 4th element 46a, 46b of the 2nd substrate 44 and the 3rd substrate 47, and forms substantially central portion and bend to anti-" く " 4th element 46 of font.The tie point of 4th element 46a, 46b can be electrically connected by welding, and the 4th element 46 is pressed from lower end court It is formed to the upper end mode that gradually width broadens and anti-triangle, elongated shape is set as in upper end.

In this way, the 4th element 46 is set as shape identical with the 3rd element 45, across the 2nd substrate 44 assembled and 3 substrates 47 are relatively formed, and the structure on the surface of the 2nd substrate 44 and the 3rd substrate 47 that assemble and the structure at the back side are pair Claim shape.In this case, the 3rd element 45 and the 4th element 46 be formed top across the 2nd substrate 44 assembled with And the 3rd substrate 47 intersect, in addition to the part to intersect, two elements are not overlapped.The lower end of 3rd element 45 and the 3rd power supply Matching part 49a connections, in upper end, coil 48a is shortened in connection the 3rd.In addition, the lower end of the 4th element 46 and the 4th power supply matching part 49b Connection, in upper end, coil 48b is shortened in connection the 4th.The figure of the pattern of 3rd power supply matching part 49a and the 4th power supply matching part 49b Case is formed relative to the 2nd substrate 44 and the 3rd substrate 47 to about 45 ° of ground of right rotation, and the pattern of the 4th power supply matching part 49b is opposite Ground is formed relative to the pattern rotation angle θ 4 of the 3rd power supply matching part 49a.In addition, the 3rd power supply matching part 49a and the 4th is supplied The match circuit of electric matching part 49b for example, by using π types lc circuit, but omit coil, capacitor diagram, illustrate only matching The pattern of circuit.

Length L6 shown in Figure 11 is to include the 3rd the 3rd element 45 for shortening coil 48a or shorten coil 48b including the 4th The 2nd element 46 the physical length from front end to lower end, the design frequency band of antenna assembly 4 is being set as 814MHz~894MHz When, if the wavelength of 830MHz is expressed as λ, length L6 is set as about 0.333 λ (about 119mm).At this time include the 3rd contracting The 3rd element 45 of short coil 48a with the electrical length of the 4th element 46 including the 4th shortening coil 48b is about λ/2.In addition, long Degree L7 is the physical length from lower end to the position for bending to anti-" く " font of the 3rd element 45 or the 4th element 46, is set as About 0.162 λ (about 57mm).Further, interval D 5 is the position for bending to anti-" く " font of the 3rd element 45 and the 4th element 46 The distance between, interval D 5 is set as about 0.034 λ (about 12mm).In turn, the relative to the pattern of the 3rd power supply matching part 49a The angle, θ 4 of the pattern of 4 power supply matching part 49b is set as about 90 °.

Herein, the 3rd element 45 and the 4th element 46 become the idol of the end power supply (power voltage supply) of the about electrical length of λ/2 Pole antenna.In the dipole antenna of end power supply, the impedance of supply terminals is got higher, so passing through the 3rd power supply matching part 49a acquirements Match and power from the 3rd element 45 of supply lines pair (not shown), and b never schemes by the 4th power supply matching part 49 obtains matching The 4th element 46 of the supply lines pair power supply shown.

The antenna assembly 4 of 4th embodiment by the 2nd substrate 44 and the 3rd substrate 47 by being assemblied in the 1st substrate 40 come group Dress.Figure 12 shows the antenna assembly 4 that the 2nd substrate 44 and the 3rd substrate 47 are assembled to the 1st substrate 40 and assemble the 4th embodiment Situation.As shown in the drawing, the both sides for the 1st substrate 40 being longitudinally configured with, configuration are set as lateral the 2nd substrate 44 and the 3rd base Plate 47.Then, the protrusion 44b of the protrusion 47c of the 3rd substrate 47 and the 2nd substrate 44 are inserted into the 1st slot hole of the 1st substrate 40 40a, and the protrusion 44e of the 2nd substrate 44 is inserted into the 2nd slot hole 40b of the 1st substrate 40, by the 2nd substrate 44 and the 3rd base Plate 47 is clamped the 1st substrate 40.At this point, the protrusion 44b of the 2nd substrate 44, recess portion 44c, protrusion 44e are respectively cooperating with to the 3rd substrate 47 recess portion 47b, protrusion 47c, recess portion 47e, and insertion 1st groove portions of the piece 44a by the 1st substrate 40 of the 2nd substrate 44 40d, by the 1st groove portion 40d from opposite side by tabletting 47h press by be inserted into the insertion hole 47a of the 3rd substrate 47, The engagement tabs 47g of 3rd substrate 47 is inserted into the 2nd groove portion 40e of the 1st substrate 40 of perforation and is cooperated to the auxiliary section of the 2nd substrate 44 44g.The 2nd substrate 44 and the 3rd substrate 47 are integrally generally perpendicularly fastened with the 1st substrate 40 as a result, assembling the 4th is real Apply the antenna assembly 4 of example.

In addition, the 1st element 41 and the 2nd element 42 avoid element around the 1st slot hole 40a and the 2nd slot hole 40b It is formed to pattern, to avoid short-circuit with the 3rd element 45 and the 4th element 46.

Figure 13 (a) shows the antenna that length L4~L7 and interval D 4, D5 have been set as to the 4th embodiment of above-mentioned size The frequency characteristic of insulation between 1st element 41 of device 4 and the 2nd element 42, Figure 13 (b) show the VSWR's of the 1st element 41 Frequency characteristic, Figure 13 (c) show the frequency characteristic of the VSWR of the 2nd element 42.With reference to these figures, in setting for 814MHz~894MHz It counts in frequency band, insulation can obtain the good insulation characterisitic of about -10db or more.In addition, in the design of 814MHz~894MHz In frequency band, the VSWR characteristics of the 1st element 41 are the characteristic within about 3.0 and being set as resonating in about 850MHz, the 2nd element 42 VSWR characteristics are the VSWR characteristics within about 2.8 and being set as resonating in about 855MHz.

In addition, Figure 14 (a) shows that the frequency characteristic of the insulation between the 1st element 41 and the 3rd element 45, Figure 14 (b) are shown The frequency characteristic of the VSWR of 1st element 41, Figure 14 (c) show the frequency characteristic of the VSWR of the 3rd element 45.With reference to these figures, In the design frequency band of 814MHz~894MHz, insulation can obtain the good insulation characterisitic of about -14db or more.In addition, In the design frequency band of 814MHz~894MHz, the VSWR characteristics of the 1st element 41 are within about 2.8 and to be set as total in about 855MHz The VSWR characteristics of the characteristic shaken, the 3rd element 45 are the VSWR characteristics within about 4.1 and being set as resonating in about 845MHz.

Further, Figure 15 (a) shows the frequency characteristic of the insulation between the 1st element 41 and the 4th element 46, Figure 15 (b) Show that the frequency characteristic of the VSWR of the 1st element 41, Figure 15 (c) show the frequency characteristic of the VSWR of the 4th element 46.With reference to these Figure, in the design frequency band of 814MHz~894MHz, insulation can obtain the good insulation characterisitic of about -17db or more.In addition, The VSWR characteristics of the 1st element 41 are within about 3.0 and to be set as before about 850MHz in the design frequency band of 814MHz~894MHz Afterwards by the way that come the characteristic that resonates, the VSWR characteristics of the 4th element 46 are the VSWR within about 4.5 and being set as resonating in about 845MHz Characteristic.

In this way, in the antenna assembly 4 of the 4th embodiment, the 1st narrow substrate 40 of width and with the 1st substrate 40 substantially The surface and the back side of orthogonal the 2nd substrate 44 and the 3rd substrate 47, be respectively formed with the 1st element 41, the 2nd element 42, the 3rd yuan Part 45 and the 4th element 46, but by the way that the shape of 41 to the 4th element 46 of the 1st element is bent to anti-" く " font, to mutually Between be not overlapped substantially, and the 1st power supply matching part 41b pattern with the 2nd power matching part 42b pattern angle and the 3rd The angle of the pattern of the pattern of power supply matching part 49a and the 4th power supply matching part 49b is set as about 90 °, it is possible to think upper Stating can obtain act required enough insulation characterisitics and VSWR characteristics in design frequency band.

Then, Figure 16 shows the structure of the antenna assembly of the 5th embodiment of the present invention.Figure 16 shows the 5th embodiment The figure of the structure on the surface of antenna assembly 5.

The antenna assembly 5 of 5th embodiment be set as can antenna assembly corresponding with MIMO, have 2 elements.Such as Figure 16 Shown, the antenna assembly 5 of the 5th embodiment has 2 elements, but with 2 element differences of the antenna assembly 1 of the 1st embodiment, 2 A element is set as Uncrossed structure, and other structures are set as the structure common with the antenna assembly 1 of the 1st embodiment.At this In, it is substantially carried out the explanation of 2 elements of the antenna assembly 5 of the 5th embodiment, the explanation of common structure is substantially omitted.The 5th In the antenna assembly 5 of embodiment, it is formed with the pattern of the 1st element 51 on the surface of substrate 50, is formed at the back side of substrate 50 The pattern of 2nd element 52.1st element 51 and the 2nd element 52 are set as identical shape, and it is anti-" く " to be formed substantially central portion It is bent but does not overlap each other to font.The lower end of 1st element 51 is connect with the 1st power supply matching part 51b, the 1st contracting of connection in upper end Short coil 51a.In addition, the lower end of the 2nd element 52 is connect with the 2nd power supply matching part 52b, in upper end, coil is shortened in connection the 2nd 52a.The pattern of 1st power supply matching part 51b with the 2nd power matching part 52b pattern relative to substrate 50 to about 45 ° of ground of right rotation Formed, the 2nd power supply matching part 52b pattern relatively relative to the 1st power supply matching part 51b pattern rotation angle θ 5 and shape At.In addition, in the 1st power supply matching part 51b and the 2nd power supply matching part 52b, for example, by using the lc circuit of π types, but line is omitted The diagram of circle, capacitor, illustrates only the pattern of match circuit.It is mutually inclined in addition, being respectively formed in the lower end of substrate 50 Notch section 50c.

Length L8 is to include the 1st the 1st element 51 for shortening coil 51a or include the 2nd the 2nd element for shortening coil 52a 52 physical length from front end to lower end, length L8 are set as about 0.333 λ (about 119mm), at this time include the 1st shorten line It encloses the 1st element 51 of 51a, be about λ/2 with the electrical length of the 2nd element 52 including the 2nd shortening coil 52a.In addition, length L9 It is the physical length from lower end to the position for bending to anti-" く " font of the 1st element 51 or the 2nd element 52, is set as about 0.162 λ (about 58mm).Further, the distance between the position for bending to anti-" く " font of the 1st element 51 and the 2nd element 52 It is set as about 0.022 λ (about 8mm).In turn, the figure relative to the 2nd power supply matching part 52b of the pattern of the 1st power supply matching part 51b The angle, θ 5 of case is set as about 90 °.

Herein, the 1st element 51 and the 2nd element 52 become the idol of the end power supply (power voltage supply) of the about electrical length of λ/2 Pole antenna.In the dipole antenna of end power supply, the impedance of supply terminals is got higher, so passing through the 1st power supply matching part 51b acquirements Match and power from the 1st element 51 of supply lines pair (not shown), and never schemes by the 2nd power supply matching part 52b obtains matching The 2nd element 52 of the supply lines pair power supply shown.

Figure 17 (a) shows the 1st element 51 and the 2nd element of the antenna assembly 5 for the 5th embodiment for being set as above-mentioned size The frequency characteristic of insulation between 52, Figure 17 (b) show that the frequency characteristic of the VSWR of the 1st element 51, Figure 17 (c) show the 2nd yuan The frequency characteristic of the VSWR of part 52.With reference to these figures, in the design frequency band of 814MHz~894MHz, insulation can obtain about- The good insulation characteristic of 10db or more.In addition, in the design frequency band of 814MHz~894MHz, the VSWR characteristics of the 1st element 51 It is the characteristic within about 2.3 and being set as resonating in about 830MHz, the VSWR characteristics of the 2nd element 52 are within about 2.2 and to be set The VSWR characteristics of Cheng Yue 830MHz resonance.In this way, the antenna assembly 5 of the 5th embodiment the surface of the narrow substrate 50 of width with The back side forms the 1st element 51 and the 2nd element 52 in a manner of not intersecting and not overlap each other respectively, due to the 1st element 51 and 2 elements 52 are formed with bending to anti-" く " font in substantially central portion and the pattern and the 2nd of the 1st power supply matching part 51b is powered The angle of the pattern of matching part 52b is set as about 90 °, so can obtain carrying out acting required foot in above-mentioned design frequency band Enough insulation characterisitics and VSWR characteristics.

Then, involved antenna assembly for a better understanding of the present invention, illustrate about the 1st reference example of the invention extremely The antenna assembly of 4th reference example.Figure 18 shows the structure of the antenna assembly 6 of the 1st reference example.

The antenna assembly 6 of 1st reference example shown in Figure 18 has an element of 2 identical shapes, but with the 1st embodiment 2 element differences of antenna assembly 1, the position for bending to anti-" く " font in 2 elements are different.But other structures are set The common structure of the antenna assemblies 1 of 1 embodiments of Cheng Yu.Herein, 2 members of the antenna assembly 6 of the 1st reference example are substantially carried out The explanation of part omits the explanation about common structure.In the antenna assembly 6 of the 1st reference example, formed on the surface of substrate 60 The pattern for having the 1st element 61 is formed with the pattern of the 2nd element 62 at the back side of substrate 60.1st element 61 and 62 quilt of the 2nd element It is set as same shape and bends to anti-" く " font, the position being bent is set as lower part, and the 1st element 61 and the 2nd element 62 exist Top intersects across substrate 60, but in addition to the part to intersect, and two elements are not formed overlappingly.Under 1st element 61 End is connect with the 1st power supply matching part 61b, and in upper end, coil 61a is shortened in connection the 1st.In addition, the lower end of the 2nd element 62 is supplied with the 2nd Electric matching part 62b connections, in upper end, coil 62a is shortened in connection the 2nd.The pattern of 1st power supply matching part 61b is matched with the 2nd power supply The pattern of portion 62b is formed relative to substrate 60 to about 45 ° of right rotation ground, the pattern of the 2nd power supply matching part 62b relatively relative to 1st power supply matching part 61b pattern rotation angle θ 6 and formed.In addition, in the 1st power supply matching part 61b and the 2nd power supply matching In portion 62b, the pattern of match circuit is illustrated only.

Length L10 is to include the 1st the 1st element 61 for shortening coil 61a or include the 2nd the 2nd element for shortening coil 62a 62 physical length from front end to lower end, length L10 are set as about 0.333 λ (about 119mm), at this time include the 1st shorten line The electrical length for enclosing the 1st element 61 of 61a and the 2nd element 62 including the 2nd shortening coil 62a is about λ/2.In addition, length L11 is the physical length from lower end to the position for bending to anti-" く " font of the 1st element 61 or the 2nd element 62, is set as about 0.094 λ (about 33.5mm).Further, between the position for bending to anti-" く " font of the 1st element 61 and the 2nd element 62 away from From being set as about 0.022 λ (about 8mm).In turn, relative to the 2nd power supply matching part 62b's of the pattern of the 1st power supply matching part 61b The angle, θ 6 of pattern is set as about 90 °.

Figure 19 (a) shows the 1st element 61 and the 2nd element of the antenna assembly 6 for the 1st reference example for being set as above-mentioned size The frequency characteristic of insulation between 62, Figure 19 (b) show that the frequency characteristic of the VSWR of the 1st element 61, Figure 19 (c) show the 2nd yuan The frequency characteristic of the VSWR of part 62.With reference to these figures, in the design frequency band of 814MHz~894MHz, insulation can obtain about- 7db or more.In addition, in the design frequency band of 814MHz~894MHz, the VSWR characteristics of the 1st element 61 be within about 3.6 and by It is set as the characteristic to resonate in about 900MHz, the VSWR characteristics of the 2nd element 62 are within about 2.8 and to be set as resonating in about 880MHz VSWR characteristics.In this way, the antenna assembly 6 of the 1st reference example be respectively formed with the back side on the surface of the narrow substrate 60 of width it is curved Song is at the 1st element 61 and the 2nd element 62 of the same shape of anti-" く " font, and the 1st element 61 and the 2nd element 62 are in lower knuckle At anti-" く " font, so understanding to obtain act required enough insulation characterisitics in above-mentioned design frequency band.

In addition, Figure 20 shows the structure of the antenna assembly 6 ' of the 2nd reference example.

The antenna assembly 6 ' of 2nd reference example shown in Figure 20 has an element of 2 identical shapes, but with the 1st reference example Antenna assembly 62 element differences, the position for bending to anti-" く " font in 2 elements is only set as to the knot on top Structure this point is different.That is, in the antenna assembly 6 ' of the 2nd reference example, the figure of the 1st element 61 ' is formed on the surface of substrate 60 Case is formed with the pattern of the 2nd element 62 ' at the back side of substrate 60.About the 1st element 61 ' and the 2nd element 62 ', substantially central portion Anti- " く " font is bent to, the position being bent is set as top, the 1st element 61 ' and the 2nd element 62 ' are on top across substrate 60 intersect.Other structures be set as it is identical as the antenna assembly 6 of the 1st reference example, so the description thereof will be omitted.

Length L12 is to include the 1st the 1st element 61 ' for shortening coil 61a or include the 2nd shorten coil 62a the 2nd yuan The physical length from front end to lower end of part 62 ', length L12 are set as about 0.333 λ (about 119mm), at this time include the 1st contracting The electrical length of the 1st element 61 ' of short coil 61a and the 2nd element 62 ' including the 2nd shortening coil 62a is about λ/2.Separately Outside, length L13 is that the physics from lower end to the position for bending to anti-" く " font of the 1st element 61 ' or the 2nd element 62 ' is long Degree, is set as about 0.262 λ (about 93.5mm).Further, the 1st element 61 ' and the 2nd element 62 ' bend to anti-" く " font The distance between position be set as about 0.022 λ (about 8mm).

Figure 21 (a) show the antenna assembly 6 ' for the 2nd reference example for being set as above-mentioned size the 1st element 61 ' and the 2nd yuan The frequency characteristic of insulation between part 62 ', Figure 21 (b) show that the frequency characteristic of the VSWR of the 1st element 61 ', Figure 21 (c) show The frequency characteristic of the VSWR of 2 elements 62 '.With reference to these figures, in the design frequency band of 814MHz~894MHz, insulation can obtain About -8db or more.In addition, in the design frequency band of 814MHz~894MHz, the VSWR characteristics of the 1st element 61 ' are within about 3.0 And it is set as the characteristic to resonate in about 755MHz, the VSWR characteristics of the 2nd element 62 ' are within about 2.7 and to be set as about The VSWR characteristics that 850MHz to 900MHz resonates.In this way, the 2nd reference example antenna assembly 6 ' the narrow substrate 60 of width table Face is respectively formed with the 1st element 61 ' and the 2nd element 62 ' of the same shape for bending to anti-" く " font, the 1st element with the back side 61 ' and the 2nd element 62 ' in upper bend at anti-" く " font, so understanding to obtain being acted in above-mentioned design frequency band Required enough insulation characterisitics.

In this way it is found that being bent to instead when the surface of the substrate in the elongated rectangular shapes of the narrow く of width is respectively formed with the back side In the case of the 1st element and the 2nd element of the same shape of " く " font, if substantially central portion is made to bend to anti-" く " font, Good insulation characterisitic can then be obtained.

Further, Figure 22 shows the structure of the antenna assembly 7 of the 3rd reference example.

The antenna assembly 7 of 3rd reference example shown in Figure 22 has an element of 2 identical shapes, but with the 1st embodiment The substrate of antenna assembly 1 is different, and bending is respectively formed with the back side on the surface of the substrate using the substrate for having widened width degree At the element of anti-" く " font.Other structures are set as the structure common with the antenna assembly 1 of the 1st embodiment.Herein, it omits Explanation about common structure.In the antenna assembly 7 of the 3rd reference example, in the surface shape for the substrate 70 for having widened width degree The pattern of 1 elements 71 of Cheng You is formed with the figure of the 2nd element 72 in the back side case of substrate 70.1st element 71 and the 2nd element 72 Be set as same shape and its substantially central portion be bent to anti-" く " font, the 1st element 71 and the 2nd element 72 top every It substrate 70 to intersect, in addition to the part to intersect, two elements are not formed overlappingly.The lower end of 1st element 71 is supplied with the 1st Electric matching part 71b connections, in upper end, coil 71a is shortened in connection the 1st.In addition, the lower end of the 2nd element 72 and the 2nd power supply matching part 72b connections, in upper end, coil 72a is shortened in connection the 2nd.The figure of the pattern of 1st power supply matching part 71b and the 2nd power supply matching part 72b Case is formed relative to substrate 70 to about 45 ° of ground of right rotation, and the pattern of the 2nd power supply matching part 72b is relatively relative to the 1st power supply Pattern rotation angle θ 7 with portion 71b and formed.In addition, in the 1st power supply matching part 71b and the 2nd power supply matching part 72b, Illustrate only the pattern of match circuit.

Length L14 is to include the 1st the 1st element 71 for shortening coil 71a or include the 2nd the 2nd element for shortening coil 72a 72 physical length from front end to lower end, length L14 are set as about 0.333 λ (about 119mm), at this time include the 1st shorten line The electrical length for enclosing the 1st element 71 of 71a and the 2nd element 72 including the 2nd shortening coil 72a is about λ/2.In addition, length L15 is the physical length from lower end to the position for bending to anti-" く " font of the 1st element 71 or the 2nd element 72, is set as about 0.162 λ (about 58mm).Further, length L16 is the position for bending to anti-" く " font of the 1st element 71 and the 2nd element 72 The distance between, it is set as about 0.112 λ (about 40mm).In turn, relative to the 2nd power supply matching part of the 1st power supply matching part 71b The angle, θ 7 of 72b is set as about 90 °.

Figure 23 (a) shows the 1st element 71 and the 2nd element of the antenna assembly 7 for the 3rd reference example for being set as above-mentioned size The frequency characteristic of insulation between 72, Figure 23 (b) show that the frequency characteristic of the VSWR of the 1st element 71, Figure 23 (c) show the 2nd yuan The frequency characteristic of the VSWR of part 72.With reference to these figures, in the design frequency band of 814MHz~894MHz, insulation can obtain about- The good insulation characterisitic of 12db or more.In addition, in the design frequency band of 814MHz~894MHz, the VSWR of the 1st element 71 is special Property is the characteristic within about 2.0 and being set as resonating in about 825MHz, the VSWR characteristics of the 2nd element 72 be within about 2.1 and by It is set as the VSWR characteristics to resonate in about 830MHz.In this way it is found that in the antenna assembly 7 of the 3rd reference example, in the wide substrate of width 70 surface is bent to the back side in the 1st element 71 and the 2nd element 72 of the same shape of anti-" く " font, respectively with broadening Mode is formed with the location interval for bending to anti-" く " font, so needed for capable of obtaining being acted in above-mentioned design frequency band Enough insulation characterisitics.However, the area of substrate 70 becomes larger, miniaturization becomes difficult.

In turn, Figure 24 shows the structure of the antenna assembly 8 of the 4th reference example.

The antenna assembly 8 of 4th reference example shown in Figure 24 has the element of 2 identical shapes, using by the 3rd reference example Antenna assembly 7 substrate the substrate further widened of width degree, be respectively formed on the surface of the substrate with the back side curved Song at anti-" く " font element.Other structures use the structure common with the antenna assembly 7 of the 3rd reference example.Herein, it saves Explanation slightly about common structure.In the antenna assembly 8 of the 4th reference example, in the substrate for further having widened width degree 80 surface is formed with the pattern of the 1st element 81, and the pattern of the 2nd element 82 is formed at the back side of substrate 80.1st element 81 with 2nd element 82 is set as same shape and its substantially central portion is bent to anti-" く " font, the 1st element 81 and the 2nd element 82 It intersects across substrate 80 on top, in addition to the part to intersect, two elements are not formed overlappingly.Under 1st element 81 End is connect with the 1st power supply matching part 81b, and in upper end, coil 81a is shortened in connection the 1st.In addition, the lower end of the 2nd element 82 is supplied with the 2nd Electric matching part 82b connections, in upper end, coil 82a is shortened in connection the 2nd.The pattern of 1st power supply matching part 81b is matched with the 2nd power supply The pattern of portion 82b is formed relative to substrate 80 to about 45 ° of right rotation ground, the pattern of the 2nd power supply matching part 82b relatively relative to 1st power supply matching part 81b pattern rotation angle θ 8 and formed.In addition, in the 1st power supply matching part 81b and the 2nd power supply matching In portion 82b, the pattern of match circuit is illustrated only.

Length L17 is to include the 1st the 1st element 81 for shortening coil 81a or include the 2nd the 2nd element for shortening coil 82a 82 physical length from front end to lower end, length L17 are set as about 0.333 λ (about 119mm), at this time include the 1st shorten line The electrical length for enclosing the 1st element 81 of 81a and the 2nd element 82 including the 2nd shortening coil 82a is about λ/2.In addition, length L18 is the physical length from lower end to the position for bending to anti-" く " font of the 1st element 81 or the 2nd element 82, is set as about 0.162 λ (about 58mm).Further, the position for bending to anti-" く " font of the 1st elements 81 of length L19 and the 2nd element 82 it Between distance, be set as about 0.196 λ (about 70mm).In turn, relative to the 2nd power supply matching part 82b of the 1st power supply matching part 81b Angle, θ 8 be set as about 90 °.

Figure 25 (a) shows the 1st element 81 and the 2nd element of the antenna assembly 8 for the 4th reference example for being set as above-mentioned size The frequency characteristic of insulation between 82, Figure 25 (b) show that the frequency characteristic of the VSWR of the 1st element 81, Figure 25 (c) show the 2nd yuan The frequency characteristic of the VSWR of part 82.With reference to these figures, in the design frequency band of 814MHz~894MHz, insulation can obtain about- The good insulation characterisitic of 13db or more.In addition, in the design frequency band of 814MHz~894MHz, the VSWR of the 1st element 71 is special Property is the characteristic within about 2.4 and being set as resonating in about 825MHz, the VSWR characteristics of the 2nd element 82 be within about 2.6 and by It is set as the VSWR characteristics to resonate in about 820MHz.In this way it is found that in the broader base of width in the antenna assembly 8 of the 4th reference example The surface of plate 80 is bent to the back side in the 1st element 81 and the 2nd element 82 of the same shape of anti-" く " font, with further The mode of broadening forms respectively the location interval for bending to anti-" く " font, thus can be obtained in above-mentioned design frequency band into Required enough insulation characterisitics are made in action.However, the area of substrate 80 further becomes larger, miniaturization becomes more difficult.

In this way it is found that bending to the 1st element and the 2nd of anti-" く " font as broadening is respectively formed at surface and the back side The width of the substrate of element, insulation characterisitic become good, but the area of substrate becomes larger and minimizes and become difficult, even if making substrate Width narrow and minimize the antenna assembly for the present invention that can also obtain good insulation characterisitic and previous antenna assembly It compares, plays special function and effect.

Then, Figure 26 to Figure 28 shows the structure of the antenna assembly of the 6th embodiment of the present invention.Figure 26 is to show that the 6th is real The stereogram of the structure of the antenna assembly 9 of example is applied, Figure 27 is from the structure front side of the antenna assembly 9 of the 6th embodiment Exploded perspective view, Figure 28 are the exploded perspective views from the structured rear surface side of the antenna assembly 9 of the 6th embodiment.

As shown in these figures, the antenna assembly 9 of the 6th embodiment be set as by section "U" font lid 91 and with The inside for the framework 90 that the pedestal 92 that the mode of the open surface of blank cap 91 coordinates is constituted, contains above-mentioned 1st embodiment to the 3rd The antenna assembly of some of the antenna assembly 1~3,5 of embodiment and the 5th embodiment.In Figure 27, Tu28Zhong, as one Example shows the structure that the antenna assembly 1 by the 1st embodiment is received into framework 90, surface be formed with the 1st element 11 with The pattern of 1st power supply matching part 11b, the back side are formed in the substrate 10 of the pattern of the 2nd element 12 and the 2nd power supply matching part 12b, It is exported, and is connected to the 2nd power supply matching part 12b same with the 1st coaxial cable 93a that are connected to of power supply matching part 11b Shaft cable 93b is exported.Coaxial cable 93a and coaxial cable 93b is generally perpendicularly exported in leading-out portion, and a part is embedded into The notch section 10c of substrate 10 it is exported.

The circular bosses 92a that screw slotting is formed in the substantially central portion of the inner surface side of pedestal 92 is convexly formed, The square boss 92b of the both sides on top, plate is relatively formed in the longitudinal direction respectively, and bottom 92c is formed in lower end.By the bottom of by The circular bosses 92a of seat 92 is embedded into the circular hole 10a of substrate 10, and other side's boss 92b of pedestal 92 is embedded into and is formed in A pair of of square hole 10b of substrate 10, to which substrate 10 is positioned and fastened to pedestal 92.In addition, by the exterior side drop in pedestal 92 The engaging portion 92d that the difference of height portion of low level-one is constituted is formed on each 3 ground in both sides of the edge.

The inner surface difference of the both sides 91b on top is slightly more leaned in the central portion of the lid 91 compared to section "U" font It is formed with the convex rib 91c of plate in the horizontal, the medial surface on top is formed with the convex rib 91d of thin plate.Separately Outside, the low 3 pressing rib 91e of height for being set as "U" font every specified interval are formed in inner surface, in lower end shape At there is bottom 91a.Further, section is set as to wedge-shaped bonding pad in a manner of being protruded inwardly from the open surface of lid 91 91f is formed on each 3 ground both sides 91b.It amounts to 6 bonding pad 91f and is formed in 6 engaging portion 92d's of total of pedestal 92 Forming position is accordingly formed.

When being assembled into the antenna assembly 9 of the 6th embodiment shown in Figure 26, as described above, substrate 10 is fastened to bottom Seat 92.Next, when the substrate 10 is inserted into inside from the open surface of lid 91,3 pressing rib 91e pressures of "U" font The both sides of the edge of substrate 10 are connected to, and a pair of convex rib 91c is embedded in the 1st groove portion 10d of a pair of substrate 10, further Ground, convex rib 91d are embedded in the 2nd groove portion 10e of substrate 10, and substrate 10 is positioned and is maintained in lid 91.Then, when When pedestal 92 being pressed into lid 91 in a manner of blocking the open surface of the lid 91,6 bonding pad 91f of lid 91 distinguish will pedestal 92 6 engaging portion 92d are combined.At this point, forming jagged, the bottom of embedded pedestal 92 in the notch in the bottom 91a of lid 91 Plate 92c.In bottom 91a and above-mentioned notch, the recess portion of 2 semicircle shapes is relatively formed side by side in the horizontal, from passing through half The circular hole that the recess portion of round shape forms each other exports coaxial cable 93a and coaxial cable 93b respectively.Thereby, it is possible to assemble The antenna assembly 9 of the 6th embodiment plugged to the open surface of lid 91 by pedestal 92.

In addition, lid 91 and pedestal 92 are made of synthetic resin, framework 90 is transparent for electric wave.In addition, by 2, when the antenna assembly 2,3,5 of 3,5 embodiments is received into framework 90, circular hole and square hole are formed in the specified position of substrate i.e. It can.In the case of having cut off the pattern for the element for being formed in substrate when circular hole and square hole are formed in substrate, it is being cut off Circular hole or square hole around formed pattern and prevent from being cut off.

Industrial availability

The size illustrated in the antenna assembly for the various embodiments of the present invention being explained above is as an example Size, be not limited to the size.In addition, the size that unit is indicated with [mm] be will design frequency band be set as 814MHz~ Size when 894MHz mutually changes if design frequency band is different with the frequency band in accordance with the law.

In the antenna assembly of the embodiment of the present invention being explained above, bent to making the 1st element and the 2nd element Instead in the antenna assembly of the embodiment of " く " font, as the replacement for bending to anti-" く " font, " く " word can also be bent to Shape is bent in a manner of becoming larger in the 1st element of substantially central portion and the 2nd element spacing.In addition, in the 1st power supply matching In the antenna assembly for the embodiment that the pattern in portion and the pattern of the 2nd power supply matching part are rotatably formed relative to substrate, the 2nd power supply The pattern of matching part has been set as about 90 ° relative to the angle of the pattern of the 1st power supply matching part, but not limited to this, as long as by setting At about 90 ° ± about 30 °, then identical insulation characterisitic and VSWR characteristics can be obtained.

In addition, foregoing describe the 4th embodiment antenna assembly in, use the 1st substrate, the 2nd substrate and the 3rd Substrate, but can also prepare to be respectively formed with the 1st substrate of the 1st element and the 2nd element and on surface on surface and the back side It is respectively formed with the 2nd substrate of the 3rd element and the 4th element with the back side, the 1st substrate is combined in such a way that section becomes criss-cross It is constituted with the 2nd substrate.Alternatively, it is also possible to not rotate the relative to the pattern of the 1st power supply matching part or the 3rd power supply matching part Formed to the pattern of 2 power supply matching parts or the 4th power supply matching part.

Claims (7)

1. a kind of antenna assembly, which is characterized in that have：

Make the substrate for the elongated rectangular shape that width narrowed；

It is formed in the pattern of the positive first element of the substrate；

It is formed in the pattern of the second element identical with the first element shape at the back side of the substrate；

It is formed in the lower part of the substrate and is connected to the pattern of the first power supply matching part of the lower end of the first element；With And

It is formed in the lower part of the substrate and is connected to the pattern of the second power supply matching part of the lower end of the second element,

The substantially central portion of the first element and the second element is set to be bent, so that the first element and described the The substantially central portion that is spaced in of two element becomes larger.

2. a kind of antenna assembly, which is characterized in that have：

Make the substrate for the elongated rectangular shape that width narrowed；

It is formed in the pattern of the positive first element of the substrate；

It is formed in the pattern of the second element identical with the first element shape at the back side of the substrate；

It is formed in the lower part of the substrate and is connected to the pattern of the first power supply matching part of the lower end of the first element；With And

It is formed in the lower part of the substrate and is connected to the pattern of the second power supply matching part of the lower end of the second element,

The pattern of first power supply matching part and the pattern of second power supply matching part are rotated relative to the substrate and are advised Determine angle and formed, the pattern of second power supply matching part is set relative to the angle of the pattern of first power supply matching part At about 90 ° ± about 30 °.

3. a kind of antenna assembly, which is characterized in that have：

Make the substrate for the elongated rectangular shape that width narrowed；

It is formed in the pattern of the positive first element of the substrate；

It is formed in the pattern of the second element identical with the first element shape at the back side of the substrate；

It is formed in the lower part of the substrate and is connected to the pattern of the first power supply matching part of the lower end of the first element；With And

It is formed in the lower part of the substrate and is connected to the pattern of the second power supply matching part of the lower end of the second element,

The substantially central portion of the first element and the second element is set to be bent, so that the first element and described the The substantially central portion that is spaced in of two element becomes larger, and

The pattern of first power supply matching part and the pattern of second power supply matching part are rotated relative to the substrate and are advised Determine angle and formed, the pattern of second power supply matching part is set relative to the angle of the pattern of first power supply matching part At about 90 ° ± about 30 °.

4. a kind of antenna assembly, which is characterized in that

Some in claim 1 to the antenna assembly of claim 3 is housed inside in the lid of section "U" font, in the lid Open surface be embedded in flat pedestal and be blocked.

5. a kind of antenna assembly is had the first substrate for the elongated rectangular shape for making width narrow and is become with section The second substrate that criss-cross mode and the first substrate are orthogonally configured with, the antenna assembly be characterized in that,

In the front of the first substrate, forms the pattern of first element and be connected to the first power supply of the lower end of the first element The pattern of matching part,

At the back side of the first substrate, forms the pattern of second element and be connected to the second power supply of the lower end of the second element The pattern of matching part,

In the front of the second substrate, forms the pattern of third element and be connected to the third power supply of the lower end of the third element The pattern of matching part,

At the back side of the second substrate, forms the pattern of fourth element and be connected to the 4th power supply of the lower end of the fourth element The pattern of matching part,

The first element to the fourth element is set as identical shape, makes the first element and the second element Substantially central portion bending so that the substantially central portion that is spaced in of the first element and the second element becomes larger, and The substantially central portion of the third element and the fourth element is set to be bent, so that the third element and the quaternary The substantially central portion that is spaced in of part becomes larger.

6. antenna assembly according to claim 5, which is characterized in that

The pattern of first power supply matching part and the pattern of second power supply matching part are revolved relative to the first substrate Turn predetermined angular and formed, it is described second power supply matching part pattern relative to it is described first power supply matching part pattern angle It is set as about 90 ° ± about 30 °, and the pattern phase of the pattern of third power supply matching part and the 4th power supply matching part Predetermined angular is rotated for the second substrate and is formed, the pattern of the 4th power supply matching part is powered relative to the third The angle of the pattern of matching part is set as about 90 ° ± about 30 °.

7. antenna assembly according to claim 5 or 6, which is characterized in that

The obtained from the second substrate substantially to be cut to half in the both sides landscape configuration for the first substrate being longitudinally configured with Two substrate A and second substrate b, in a manner of the first substrate is clamped by the second substrate A and the second substrate b It is assembled, becomes cross to which the first substrate is configured to section with the second substrate.