CN201655966U - Miniature multi-band antenna - Google Patents
Miniature multi-band antenna Download PDFInfo
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- CN201655966U CN201655966U CN 200920219643 CN200920219643U CN201655966U CN 201655966 U CN201655966 U CN 201655966U CN 200920219643 CN200920219643 CN 200920219643 CN 200920219643 U CN200920219643 U CN 200920219643U CN 201655966 U CN201655966 U CN 201655966U
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Abstract
The utility model provides a miniature multi-band antenna, which adopts dielectric materials as a base. An electric-conductive signal electrode layer and an electric-conductive ground electrode layer are arranged on the base, the signal electrode layer is provided with at least two branches, and a partial area of at least one branch is overlapped with the ground electrode layer. The miniature multi-band antenna uses the portion, overlapped with the ground electrode layer, of branches of the signal electrode layer to generate a sandwich space with a capacitor effect and generate resonant frequency for receiving and transmitting low-frequency signals, and the capacitor effect can marginally reduce the size of the antenna. Other branches of the signal electrode layer are further designed by using a design concept of a PIFA antenna, and resonant frequency for receiving and transmitting high-frequency signals are generated. Therefore, the miniature multi-band antenna has the advantages of capability of meeting the requirements of receiving and transmitting the signals, easy adjustment of antenna resonant frequency and antenna impedance, and capability of realizing the purpose of size reduction and multi-band signal receiving and transmitting capacity by combining two design concepts.
Description
Technical field
The utility model is relevant for antenna structure, and particularly a kind of suitable small-sized communication device uses and can receive and dispatch the miniature multifrequency antenna of multiple-frequency signal.
Background technology
Can find that antenna occupies critical role in each wireless telecommunications electronic product, and along with the integrated circuit technique progress, electronic component is microminiaturized in succession, wireless telecommunications electronic product volume is gradually towards compact development, and can also possess simultaneously online is arranged, multiple operating functions such as Data Processing, transmitting-receiving words, broadcasting, therefore preferable antenna structure also all answer described possess to have take the characteristic that volume is little and can contain a plurality of signal frequency ranges.
In the common antenna form that is applied in the small radio communication electronic product, just belong to inverted F shaped antenna (Planar Inverted F Antenna, PIFA) and loop antenna (Loop Antenna), both because of simple in structure, low price, design is easy, volume is little extensively is used.Yet, the inverted F shaped antenna structure is subjected to the influence that the dielectric material (as human body) in the near field produces reactive effect easily, cause the frequency coordination misalignment, just all elements near antenna all might cause antenna performance to have big degree to change, thereby destroy antenna receipts/sender efficient.Loop antenna solves the problem that said frequencies is coordinated misalignment, yet but only can receive simple signal, and the narrow problem of frequency range is arranged.Moreover, if the above signal reception of acquisition double frequency, and with multiple aerial integration in same wireless telecommunications electronic product, producing signal each other between unavoidable antenna and antenna disturbs, diminish communication quality separately on the contrary, and when multiple antenna is integrated in same wireless telecommunications electronic product, also can make that the volume of described wireless telecommunications electronic product is bigger.
In view of this, main purpose of the present utility model is to propose a kind of miniature multifrequency antenna, to improve traditional disappearance problem.
Summary of the invention
Main purpose of the present utility model is to provide a kind of miniature multifrequency antenna, it has the above signal transmitting and receiving ability of double frequency, partly utilize at low frequency and to make single or multiple electrode interlayer and create the zone of tool capacity effect and produce required resonance frequency, so can make originally needs the low frequency of large-size partly to be dwindled, and partly utilizes the design of PIFA to reach the demand of other frequency ranges at high frequency.In conjunction with these two kinds of design concepts, can get the little new antenna antenna with multiband and wideband of volume.
A purpose more of the present utility model is to provide a kind of miniature multifrequency antenna, and its shape, area or spacing size that changes comparative electrode ply zone promptly can be revised the resonance frequency or the impedance operator of described miniature multifrequency antenna.
Another purpose of the present utility model is to provide a kind of miniature multifrequency antenna, it can integrate with circuit board, no longer need in the wireless telecommunications electronic product, keep the installing space of antenna, will make the further miniaturization of volume energy of wireless telecommunications electronic product.
For reaching above-mentioned purpose, the utility model discloses a kind of miniature multifrequency antenna, and at least one signal electrode layer and at least one ground electrode layer are set on the matrix of a dielectric material; Wherein, described signal electrode layer is provided with at least two branches and external at least one signal feed-in line; Ground electrode layer has the overlapping and external ground connection of subregion and signal electrode layer at least one branch wherein at least.
The utility model provides a kind of miniature multifrequency antenna, and it connects at least one signal feed-in line and at least one earth connection, and with the transmitting/receiving wireless signal of telecommunication, described miniature multifrequency antenna comprises:
The matrix of at least one dielectric material;
At least one signal electrode layer is located at described matrix and connects described signal feed-in line, and described signal electrode layer is provided with at least two branches; And
At least one ground electrode layer, it is located at described matrix and connects described earth connection, and at least one described branch of described ground electrode layer and described signal electrode layer has the subregion overlapping.
During enforcement, miniature multifrequency antenna described in the utility model, except that the kenel that is made into wafer antenna, also can directly integratedly be made in the circuit board, wherein said circuit board is made of a substrate and the circuit that is made on the described substrate, described circuit board is preset with a headroom district when described substrate cloth is built described circuit, described at least one signal electrode floor and described at least one ground electrode layer also are located in the described headroom district, are used as described matrix and get described substrate.
During enforcement, described substrate comprises a plurality of base board units that pile up, described at least two branches of described at least one signal electrode layer and described at least one ground electrode layer are arranged between the base board unit such as described or the surface, the spacing of described at least one signal electrode layer and at least one described base board unit in described at least one ground electrode layer interval.
During enforcement, the described branch that waits of described signal electrode layer is separately positioned between described a plurality of base board unit or the surface, and described substrate more comprises at least one conductive through hole that runs through described a plurality of base board units, in order to the passage as the interlayer conduction of described at least two branches.
During enforcement, miniature multifrequency antenna described in the utility model, it includes a plurality of described ground electrode layer and is arranged between described a plurality of base board unit respectively or the surface.
During enforcement, described substrate more comprises at least one conductive through hole that runs through described a plurality of base board units, in order to the passage as the interlayer conduction of described at least one ground electrode layer.
During enforcement, described at least one signal electrode layer connects described signal feed-in line and described earth connection simultaneously.
During enforcement, described matrix is the composite material of ceramic material, glass material, magnetic material, macromolecular material or above material combination.
During enforcement, miniature multifrequency antenna described in the utility model, it more comprises a bearing substrate, this bearing substrate is located between a described matrix and a circuit board, and described signal feed-in line and described earth connection are with being located on the described circuit board; Described bearing substrate has at least two connection electrode, respectively in order to connecting described signal electrode layer and described signal feed-in line, and connects described ground electrode layer and described earth connection.
During enforcement, described signal electrode layer connects described signal feed-in line and described earth connection simultaneously.
The utility model partly utilizes the corresponding overlapping areas of electrode layer to form the mezzanine space of electric capacity effect on matrix at low frequency, utilize this structural design can produce required resonance frequency, and utilize this capacity effect also can significantly dwindle the size of antenna, in the branch that sees through change signal electrode layer and shape or the area or the spacing of ground electrode layer overlapping region, the height of the capacitance in interlayer district that forms between two electrode layers can be adjusted, and then resonance frequency, impedance and other associated antenna characteristics can be changed.And high frequency partly utilizes the antenna design concept of PIFA (PlanarInverted-F Antenna) to come other branches of modelled signal electrode layer, produces required resonance frequency, reaches the demand of signal transmitting and receiving, and has the advantage of easy adjustment impedance and frequency.Because of the combination of both different designs notions, reduced the interacting property of the signal of different frequency range.The resonance frequency of low-and high-frequency and impedance are adjusted respectively, utilize the multifrequency antenna of PIFA or unipole antenna design unlike tradition, interlock influence to each other is very big, so the utility model can reduce the complexity that antenna performance is adjusted, reduce the customized time, shorten the exploitation time-histories; And antenna size can dwindle, and reduces the consumption of material, reduces the volume of electronic product, reduces production costs.
Moreover because of relation simple in structure, although the changeability height does not still influence its diversified set-up mode, can combine with circuit board process yet, is fit to manufacture in a large number yet.
Below, with many embodiment the utility model is described, but does not therefore limit to the structure of the miniature multifrequency antenna of the utility model, as long as and meet spiritual place of the present utility model, promptly should belong to category of the present utility model.
Description of drawings
Fig. 1 a is the vertical view of the utility model first embodiment;
Fig. 1 b is the stereogram of the utility model first embodiment;
Fig. 2 is the use schematic diagram of the utility model first embodiment;
Fig. 3 is the structural representation of the utility model second embodiment;
Fig. 4 a is the top perspective view of the utility model the 3rd embodiment;
Fig. 4 b is the face upwarding stereogram of the utility model the 3rd embodiment;
Fig. 5 a is the vertical view of the utility model the 4th embodiment, and with the position of dotted line signal ground electrode layer;
Fig. 5 b is the face upwarding stereogram of the utility model the 4th embodiment, and with the position of dotted line signal ground electrode layer;
Fig. 6 is the cutaway view of A-A ' hatching line among Fig. 5 a and Fig. 5 b;
Fig. 7 is the vertical view of the utility model the 5th embodiment;
Fig. 8 is the enforcement schematic diagram of the utility model the 5th embodiment;
Fig. 9 is the stereogram of the utility model the 6th embodiment;
Figure 10 is a large amount of schematic diagrames of making of the utility model the 7th embodiment;
Figure 11 is the enforcement schematic diagram of the utility model the 7th embodiment.
The miniature multifrequency antenna of description of reference numerals: 1-; The 10-matrix; 20-signal electrode layer; 21,22,23,25-branch; 24,24 '-the first termination electrode; The 30-ground electrode layer; 31-second termination electrode; The 40-bearing substrate; 41-first connection electrode; 42-second connection electrode; 43-the 3rd connection electrode; The 50-circuit board; The 51-substrate; 511-headroom district; 512,513-base board unit; 514,515,516,517,518-conductive through hole; 521-signal feed-in line; 522-first earth connection; 523-second earth connection; The 100-base material; 110-signal conductive layer; 120-ground connection conductive layer.
Embodiment
See also Fig. 1 a and Fig. 1 b, be vertical view and the stereogram of miniature multifrequency antenna first embodiment of the utility model, and the first following illustrated embodiment of explanation, the structural similarity person also represents with same-sign.As shown, a miniature multifrequency antenna 1 has a matrix 10; At matrix 10 upper surfaces one signal electrode layer 20 is set, this signal electrode layer 20 has three branches 21,22,23, and first termination electrode 24 of a covering matrix 10 1 end faces; Also be provided with a ground electrode layer 30 at matrix 10 lower surfaces, this ground electrode layer 30 rough with branch 23 with wide and be positioned at its below, ground electrode layer 30 has second termination electrode 31 of a covering matrix 10 other ends equally, observe by Fig. 1 a again, can find the partly branch 23 of region overlapping signal electrode layer 20 of ground electrode layer 30, this lap has generation the zone of capacitor function in matrix 10.
Wherein, the rectangle cubes that matrix 10 itself is made with dielectric material, the dielectric material of described place denotions are made a general reference ceramic material, glass material, magnetic material, the macromolecular material wherein one or composite of above-mentioned material combination.And signal electrode layer 20 and ground electrode layer 30 are all taken from the material of tool conductivity and are made, common person, and metal materials such as gold, silver, copper, tin for example, and also can in the nonmetallic materials of tool conductivity, select use.
Above-mentionedly implement structure substantially, the signal electrode layer must be connected a signal feed-in line when it is used for communication, and ground electrode layer is connected earthing positions such as a ground plane or an earth connection, the signal transmitting and receiving effect can be arranged for miniature multifrequency antenna of the present utility model.See also Fig. 2, therefore get a circuit board 50, it has a substrate 51 and is routed at circuit on the substrate 51 (figure does not show), circuit board 50 is reserved with a headroom district 511 when described substrate 51 wired circuits, this miniature multifrequency antenna 1 is located in the headroom district 511, with the electronic component of avoiding circuit too near and antenna 1 produced disturb.And circuit has a signal feed-in line 521 and stretches into simultaneously with one first earth connection 522 and be connected first termination electrode 24 in the headroom district 511, and one second earth connection 523 stretches into headroom district 511 and connects second termination electrode 31 and ground electrode layer 30.
Refer again to Fig. 3, miniature multifrequency antenna 1 structural representation of the utility model second embodiment.It is harsh that part wireless telecommunications electronic product is provided with environment, cause the distance too small (less than 4 millimeters) of this antenna 1 and ground plane or other electronic components, in the case, ground plane or other electronic components can cause interference to antenna, if the situation of avoiding interference influences signal quality, thereby be necessary to strengthen the distance of electrode layer 20,30 and ground plane.The maximum difference of the structure of described miniature multifrequency antenna 1 and previous embodiment is more to comprise a bearing substrate 40, it is arranged between matrix 10 and the circuit board 50, in order to support the distance between high matrix 10 and electrode layer 20,30 and ground plane, reduce the signal disturbing factor; Bearing substrate 40 is made with dielectric material, dielectric material general reference ceramic material or glass material or magnetic material or the macromolecular material wherein one or composite of above-mentioned material combination.Bearing substrate 40 has one first connection electrode 41, it connects first termination electrode 24 of signal electrode layer 20 and the signal feed-in line 521 of circuit board 50, one second connection electrode 42, it connects first termination electrode 24 and first earth connection 522 of signal electrode layer 20, and one the 3rd connection electrode 43, it connects second termination electrode 31 and second earth connection 523, to form the signal transmitting and receiving ability.
Wherein, the matrix 10 of second embodiment, signal electrode layer 20 and ground electrode layer 30 structures are same as shown in first embodiment, and connection electrode 41,42,43 quantity are when basis signal feed-in line 521 and earth connection 522,523 configurations.
Above-mentioned only is the citation form that explanation meets the utility model antenna 1 spirit, identity logic can illustrate, as long as use similar approach at the relative up and down signal of dielectric material matrix setting, ground electrode layer, and the signal electrode layer has the branch more than two or two, a branch and relative with ground electrode layer overlapping and form the zone of tool capacitor effect wherein, promptly meet enforcement spirit of the present utility model, the shape of electrode layer wherein, area, the variation of size and spacing all is considered as adjusting means of this device signal transmitting and receiving characteristic, haveing the knack of this related art techniques person can both be from line operate, so similar equivalent enforcement ought to be encompassed in the category of the present utility model.
In order to prove that the utility model discloses the variation of structure, under more for example with double-layer circuit board integrate one one the 3rd embodiment, with multilayer circuit board integrate one one the 4th embodiment, change one the 5th embodiment and one the 6th embodiment that electrode layer shape, area, size are adjusted the signal transmitting and receiving characteristic, and the 7th embodiment that makes set-up mode in a large number, further disclose possible enforcement aspect, but can not with qualification the utility model scope.
Shown in figure 4a and Fig. 4 b, top perspective view and the face upwarding stereogram of the utility model the 3rd embodiment.One circuit board 50, the circuit (figure does not show) that is built on the substrate 51 by a substrate 51 and cloth constitutes, circuit board 50 is reserved with a headroom district 511 when described substrate 51 cloth are built circuit, the utility model is taken substrate 51 in the headroom district 511 of circuit board 50 and is used as matrix 10 and uses, circuit board 50 is when making circuit, and the mode of utilizing electroplating process, thick film processing procedure or thin film manufacture process or adhesion conductive foil is finished the setting of signal electrode layer 20 and ground electrode layer 30 at substrate 51 positive and negatives.This invisibleization of set-up mode antenna 1 of the present utility model take volume, except effectively overcoming known disappearance, can also reduce the production process that this device 1 combines with circuit board 50, economical with materials cost and processing procedure expenditure reduce cost.
See also Fig. 5 a, Fig. 5 b and Fig. 6 again, be respectively the cutaway view of top perspective view, face upwarding stereogram and the A-A ' hatching line of the utility model the 4th embodiment.The 4th embodiment implements in conjunction with the multilayer circuit plate structure, wherein, the substrate 51 of circuit board 50 is by the sandwich construction of a plurality of base board unit 512,513 stacked on top combinations, and circuit board 50 is reserved with a headroom district 511 when described substrate 51 cloth are built circuit, circuit, ground plane or other electronic components are not set in the headroom district.511 middle modes with the preset distance of being separated by are provided with two conductive through holes 514,515 to substrate 51 in the headroom district, and the circuit between different layers connects via conductive through hole 514,515.The miniature multifrequency antenna 1 of the utility model the 4th embodiment is considered as the substrate in the headroom district 511 51 matrix 10 equally and uses, step along with circuit board 50 making circuit, can finish the branch 21 of signal electrode layer 20 simultaneously in substrate 51 fronts in the mode of electroplating process or thick film processing procedure or thin film manufacture process or adhesion conductive foil, 22,23 and the signal feed-in line 521 and first earth connection 522, finish the branch 25 and second earth connection 523 of signal electrode layer 20 at substrate 51 reverse side, and the branch 21 of signal electrode layer 20,22,23 connect the signal feed-in line 521 and first earth connection 522, link branch 25 through conductive through hole 514 again, in addition, as shown in Figure 6, at base board unit 512, form the setting of ground electrode layer 30 between 513, ground electrode layer 30 also is connected with second earth connection 523 via conductive through hole 515.Can miniature multifrequency antenna 1 be set according to spirit of the present utility model so, equally.Vice versa, forms two ground electrode layer at the substrate positive and negative, forms the signal electrode layer between base board unit, also can overcome the shortcoming of prior art.
Know by inference thus, environment at multilayer circuit board, increase along with the base board unit number of plies, the electrode number of plies that can be provided with relatively is also more, and signal feed-in line and earth connection will increase and decrease setting according to circumstances, and there is no certain limitation, moreover, signal electrode layer and ground electrode layer are not the upper and lower surface that must be arranged at substrate, as long as be arranged at a plurality of base board units between or surface in the mode that replaces many signal electrodes layer and many ground electrode layer, and keep the relative tertiary location or the relation of above-mentioned explanation, and keep necessary electrically connect with the circuit on the circuit board, can reach required antenna function.In addition, the conductive through hole kenel of giving an example in this place only is that the one mode that connects between board layer illustrates, it has been the industry prior art that the interlayer circuit connects, and do not giving unnecessary details in this, and the utility model does not limit interlayer connection pattern and generation type.
Consult Fig. 7 and Fig. 8, be vertical view and the enforcement schematic diagram of the utility model the 5th embodiment.The structure of similar the 4th embodiment of the 5th embodiment, and the matrix 10 of employing multilayer circuit board kenel, signal electrode layer 20 forms branch 21 and branch 22 at matrix 10 upper surfaces, and at its lower surface formation branch 23, and branch 21,22,23 electrically connects via conductive through hole 516,517,518 separately, be connected with the signal feed-in line 521 and first earth connection 522 of circuit board 50 again, therefore no longer need to be provided with first termination electrode.Wherein, conductive through hole 516 is through hole (through hole) kenel, and conductive through hole 517,518 is blind hole (blind via hole) kenel, illustrates by this that also the utility model does not limit interlayer and connects pattern and generation type; Moreover, branch 21 is the L type and frame surrounds branch 22 outer ends, and the position, outer end of branch 22 also generally is hook-shaped in branch 21 inboards, utilize the variation of shape, size and area to change resonance frequency and impedance by this, and illustrate the size and shape of each branch, can change according to the antenna characteristics demand.In addition, ground electrode layer 30 is located at the intermediate layer of matrix 10 and via second earth connection 523 of termination electrode 31 outside connecting circuit plates 50, and ground electrode layer 30 and 23 of branches have partly region overlapping, thereby forms the zone with capacitor function.Because this is partly identical with the above stated specification structure, so, see also above stated specification, no longer describe in detail in this.
In addition, with regard to the difference of shape, change in size, the 6th embodiment for Fig. 9 does another explanation enforcement again.Antenna 1 as shown in the figure, characteristics are that first termination electrode 24 takes to be winding into the end face that ㄇ font mode is implemented on matrix 10, and 23 of branches are in matrix 10 intermediate layers, 30 positions of ground electrode layer are at the lower surface of matrix 10, utilize termination electrode 24 change of shape to adjust the antenna performance of this antenna 1 by this, in other words, termination electrode 24,31 also belong to the some of signal electrode layer 20 and ground electrode layer 30 individually, therefore the adjustment of so-called antenna performance, might not change branch 21,22,23 and the shape of ground electrode layer 30, size, area or distance also can see through change termination electrode 24,31 reach identical purpose.
In addition, with reference to Figure 10, a large amount of schematic diagrames of making of the utility model.Though this antenna 1 is implemented the kenel variation, since simple in structure, be not influence the program of a large amount of making.As shown in the figure, the multi-layer substrate structure that adopts multilayer circuit board for example is as base material 100, elder generation is at the signal conductive layer 110 of base material 100 upper surface large-area manufacturing polylith tool conductivity, and pattern according to prior design, every block signal conductive layer 110 preset distance of being separated by promptly is provided with a component branch 21,22,23, relative each block signal conductive layer 110, make a plurality of ground connection conductive layers 120 at base material 100 interlayers, and each ground connection conductive layer 120 has at least regional area relative overlapping with the branch 23 of signal conductive layer 110, according to antenna performance demand cutting base material 100, can obtain a large amount of identical shaped matrixes 10, and the ground electrode layer 30 that is formed at the signal electrode layer 20 of matrix 10 upper surfaces and is formed at matrix 10 interlayers.Thus, elder generation is shaping antenna semi-finished product in a large number, can significantly shorten the Production Time and the cost of miniature multifrequency antenna 1.Also say as previous institute that this only is a large amount of execution modes of making, analog structure person's semi-finished product can be made in a large number through same way as.
Then, as Figure 11, the half-finished matrix 10 of antenna can be arranged in the headroom district 511 of circuit board 50, see through the mode manufacturing terminal electrode 24,24 ', 31 of electroplating process, thick film processing procedure, thin film manufacture process or adhesion conducting strip again, and be connected with earth connection 522,523 with the signal feed-in line 521 of circuit board 50, form the signal transmitting and receiving function, can finish the finished product of this miniature multifrequency antenna 1.
Sum up, the utility model utilize signal electrode layer special shape with and the overlap mode of branch and ground electrode layer, can receive the radio signal of multiband, form the interlayer zone with electrode layer in matrix again and produce the size that capacitor effect is effectively reduced this multifrequency antenna, can also see through change matrix thickness or change the shape of electrode layer branch and modes such as size and overlapping region size, area, shape, adjust antenna resonance frequency, impedance and other antenna performances easily.In addition, the miniature multifrequency antenna of the utility model also because of relation simple in structure, and is fit to produce in a large number or incorporate in the circuit board process and make simultaneously except having the diversity execution mode.Therefore, the utlity model has can receive multiple-frequency signal, plurality of advantages such as volume is little, cost is low, service efficiency is high, convenient a large amount of productions.
The above, by embodiment characteristics of the present utility model are described, its purpose is had the knack of described operator and can be understood content of the present utility model and implement according to this making, and non-limiting claim of the present utility model, the equivalence of finishing modified so all other do not break away from the spirit that the utility model discloses or revise, and must be included in the claim of the following stated.
Claims (9)
1. a miniature multifrequency antenna is characterized in that, it connects at least one signal feed-in line and at least one earth connection, and with the transmitting/receiving wireless signal of telecommunication, described miniature multifrequency antenna comprises:
The matrix of at least one dielectric material;
At least one signal electrode layer is located at described matrix and connects described signal feed-in line, and described signal electrode layer is provided with at least two branches; And
At least one ground electrode layer, it is located at described matrix and connects described earth connection, and at least one described branch of described ground electrode layer and described signal electrode layer has the subregion overlapping.
2. miniature multifrequency antenna as claimed in claim 1, it is characterized in that, it is integrated being made in the circuit board directly, wherein said circuit board is made of a substrate and the circuit that is made on the described substrate, described circuit board is preset with a headroom district when described substrate cloth is built described circuit, described at least one signal electrode floor and described at least one ground electrode layer also are located in the described headroom district, are used as described matrix and get described substrate.
3. miniature multifrequency antenna as claimed in claim 2, it is characterized in that, described substrate comprises a plurality of base board units that pile up, described at least two branches of described at least one signal electrode layer and described at least one ground electrode layer are arranged between the base board unit such as described or the surface, the spacing of described at least one signal electrode layer and at least one described base board unit in described at least one ground electrode layer interval.
4. miniature multifrequency antenna as claimed in claim 3, it is characterized in that, the described branch that waits of described signal electrode layer is separately positioned between described a plurality of base board unit or the surface, and described substrate more comprises at least one conductive through hole that runs through described a plurality of base board units, in order to the passage as the interlayer conduction of described at least two branches.
5. miniature multifrequency antenna as claimed in claim 3 is characterized in that, it includes a plurality of described ground electrode layer and is arranged between described a plurality of base board unit respectively or the surface.
6. miniature multifrequency antenna as claimed in claim 5 is characterized in that, described substrate more comprises at least one conductive through hole that runs through described a plurality of base board units, in order to the passage as the interlayer conduction of described at least one ground electrode layer.
7. miniature multifrequency antenna as claimed in claim 1 is characterized in that, described at least one signal electrode layer connects described signal feed-in line and described earth connection simultaneously.
8. miniature multifrequency antenna as claimed in claim 1 is characterized in that it more comprises a bearing substrate, and this bearing substrate is located between a described matrix and a circuit board, and described signal feed-in line and described earth connection are with being located on the described circuit board; Described bearing substrate has at least two connection electrode, respectively in order to connecting described signal electrode layer and described signal feed-in line, and connects described ground electrode layer and described earth connection.
9. miniature multifrequency antenna as claimed in claim 8 is characterized in that, described signal electrode layer connects described signal feed-in line and described earth connection simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920219643 CN201655966U (en) | 2009-10-30 | 2009-10-30 | Miniature multi-band antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920219643 CN201655966U (en) | 2009-10-30 | 2009-10-30 | Miniature multi-band antenna |
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| CN201655966U true CN201655966U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200920219643 Expired - Lifetime CN201655966U (en) | 2009-10-30 | 2009-10-30 | Miniature multi-band antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556631A (en) * | 2018-06-01 | 2019-12-10 | 咏业科技股份有限公司 | Multi-frequency antenna device |
| CN111916907A (en) * | 2020-08-18 | 2020-11-10 | 深圳市明昕技术有限公司 | Micro device capable of achieving tolerance and electronic equipment |
-
2009
- 2009-10-30 CN CN 200920219643 patent/CN201655966U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556631A (en) * | 2018-06-01 | 2019-12-10 | 咏业科技股份有限公司 | Multi-frequency antenna device |
| CN111916907A (en) * | 2020-08-18 | 2020-11-10 | 深圳市明昕技术有限公司 | Micro device capable of achieving tolerance and electronic equipment |
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Granted publication date: 20101124 |