CN102570035B - Double-frequency antenna and relevant communication device - Google Patents
Double-frequency antenna and relevant communication device Download PDFInfo
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- CN102570035B CN102570035B CN201010604742.7A CN201010604742A CN102570035B CN 102570035 B CN102570035 B CN 102570035B CN 201010604742 A CN201010604742 A CN 201010604742A CN 102570035 B CN102570035 B CN 102570035B
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Abstract
The invention discloses a double-frequency antenna and a relevant communication device. The double-frequency antenna provided by one embodiment of the invention comprises a radiation body, a short circuit connecting pin and a feed-in connecting pin, wherein the radiation body comprises a plurality of radiation parts positioned in a first plane, a second plane, a third plane and a fourth plane, the short circuit connecting pin outwards extends from the radiation body and is positioned in the first plane, the feed-in connecting pin outwards extends from the radiation body and is positioned in the first plane, the radiation parts positioned in the first plane, the second plane and the third plane can be used for sending and receiving first frequency band signals, the radiation parts positioned in the first plane, the second plane and the fourth plane can be used for sending and receiving second frequency band signals, and an 80-degree to 100-degree included angle is respectively formed between the first plane and the second plane, between the second plane and the third plane as well as between the second plane and the fourth plane.
Description
Technical field
The present invention relates to a kind of antenna, relate in particular to a kind of dual-band antenna for Wireless Telecom Equipment.
Background technology
The volume of modern electronic equipment is simplified, and power can be provided, and by user, is accepted extensively.Yet along with dwindling of electronic equipment size, many inside and outside elements also must design again, just can meet demand.
At present many electronic equipments need to be supported the function of multiband transmitting-receiving.For example, support the equipment of IEEE802.11n standard, support the equipment of IEEE 802.11a/b/g standard, support that the equipment of various wireless communication standard (as GSM, 3G, 4G, bluetooth, IEEE 802.11 series or 802.16 series etc.) or other need to be at the equipments of a plurality of frequency range transmitting/receiving wireless signals simultaneously.These electronic equipments need to be equipped with a plurality of antennas, could be in different frequency ranges transmitting/receiving wireless signal.
For wanting to simplify the electronic equipment of volume, the volume that a plurality of antennas are occupied, is obviously to cause one of factor that volume is difficult to further dwindle.
Summary of the invention
Therefore, how in more and more limited mechanism space, design size simplifies, low-cost and can, in the antenna structure of multiband receiving and transmitting signal, be the difficult problem that industry suffers from for a long time always.
This specification provides a kind of embodiment of dual-band antenna, and it includes: a radiation body, include a plurality of Departments of Radiation, and lay respectively at one first plane, one second plane, one the 3rd plane and Yi Siping City face; One short circuit pin, this radiation body stretches out certainly, and this short circuit pin is positioned at this first plane; And a feed-in pin, this radiation body stretches out certainly, and this feed-in pin is positioned at this first plane; A plurality of Departments of Radiation that are wherein positioned at this first plane, this second plane and the 3rd plane can be used for the signal of sending and receiving one first frequency range, be positioned at the signal that this first plane, this second plane and this quadriplanar a plurality of Departments of Radiation can be used for sending and receiving one second frequency range, and this first plane and this second interplanar, this second plane and the 3rd interplanar and this second plane and the 4th interplanar respectively have the angles of one 80 degree～100 degree.
This specification also provides a kind of embodiment of radio communication device, and it includes: a circuit substrate, includes one first connecting portion and one second connecting portion; And a dual-band antenna, include: a radiation body, include a plurality of Departments of Radiation, lay respectively at one first plane, one second plane, one the 3rd plane and Yi Siping City face; One short circuit pin, this radiation body stretches out certainly, and engages with this first connecting portion, and this short circuit pin is positioned at this first plane; And a feed-in pin, this radiation body stretches out certainly, and engages with this second connecting portion, and this feed-in pin is positioned at this first plane; A plurality of Departments of Radiation that are wherein positioned at this first plane, this second plane and the 3rd plane can be used for the signal of sending and receiving one first frequency range, be positioned at the signal that this first plane, this second plane and this quadriplanar a plurality of Departments of Radiation can be used for sending and receiving one second frequency range, and this first plane and this second interplanar, this second plane and the 3rd interplanar and this second plane and the 4th interplanar respectively have the angles of one 80 degree～100 degree.
One of advantage of previous embodiment is that the structure fabrication of dual-band antenna is simple, size is simplified and is with low cost.
Another advantage of previous embodiment is that the assembling of circuit substrate of dual-band antenna and radio communication device is easy, is beneficial to the manufacturing.
Accompanying drawing explanation
Fig. 1 is the schematic diagram after an embodiment of dual-band antenna of the present invention simplifies.
Fig. 2 is the embodiment schematic diagram of manufacture method of the antenna of Fig. 1.
Schematic diagram after the embodiment that Fig. 3 is the radio communication device of the antenna 10 of use Fig. 1 simplifies.
Fig. 4 is for being used the schematic diagram after an embodiment of the radio communication device of two groups of antennas 10 and 11 simplifies.
Fig. 5 is for being used the schematic diagram after another embodiment of the radio communication device of two groups of antennas 10 and 11 simplifies.
Schematic diagram after another embodiment that Fig. 6 is the radio communication device of the antenna 10 of use Fig. 1 simplifies.
Fig. 7 is the antenna performance comparison schematic diagram of the radio communication device of Fig. 6 while adjusting the distance between feed-in pin and short circuit pin.
Fig. 8 is relatively schematic diagram of the antenna performance of the radio communication device of Fig. 6 while adjusting the distance between short circuit pin and circuit substrate.
Fig. 9 is relatively schematic diagram of the antenna performance of the radio communication device of Fig. 6 while adjusting the distance between Department of Radiation and circuit substrate.Main element symbol description
10,11 antennas
110 feed-in pins
120 short circuit pins
130,140,150,160 Departments of Radiation
170 support portions
180,190 virtual routes
300,400,500,600 radio communication devices
310 circuit substrates
320 grounding parts
330,340,350,360 connecting portions
Embodiment
Below with reference to relevant drawings, embodiments of the invention are described.In these accompanying drawings, identical label represents same or similar element.In the middle of specification and appending claims, with some vocabulary, censure specific element, those skilled in the art should understand, and may have different nouns and be used for calling same element.This specification and appending claims are not usingd the difference of title as the mode of distinguishing element, but using the difference of element in function as the benchmark of distinguishing.In the whole text, in the middle of specification and appended claim, be open term mentioned " comprising ", should be construed to " comprise but be not limited to ... ".In addition, " coupling " word comprises directly any and indirectly connects means.Therefore, if describe first device in literary composition, be coupled to the second device, represent that first device can directly connect signal connected modes such as (comprise by being electrically connected) wire/wireless transmission or optical delivery in the second device, or by other device or connection means indirectly electrically or signal be connected to this second device.
Fig. 1 is the schematic diagram after the dual-band antenna 10 of one embodiment of the invention is simplified.Antenna 10 includes a radiation body and the outward extending feed-in pin 110 of this radiation body, short circuit pin 120 and support portion 170 certainly.In the present embodiment, the radiation body of antenna 10 comprises Department of Radiation 130,140,150 and 160.Antenna 10 can be considered the combination of two inverted F shaped antennas, and two virtual routes 180 shown in Fig. 1 and 190, can distinguish representative antennas 10 in the schematic diagram in the equivalent current path of the first frequency range and the second frequency range.
In Fig. 1, both width of feed-in pin 110 and short circuit pin 120 reduce gradually towards end direction separately.When wish is fixed to circuit substrate (not shown) by antenna 10, can suitably adjust the size of feed-in pin 110 and short circuit pin 120, or the bore hole size of Circuit tuning substrate suitably, and make antenna 10 and circuit substrate be interval in required distance.In further embodiments, feed-in pin 110 and short circuit pin 120 also can be set to respectively stepped, circular-arc or irregularly shaped, so that antenna 10 and circuit substrate are interval in to required distance.In certain embodiments, also can not change the tip dimensions of feed-in pin 110 and short circuit pin 120, for example, and change otherwise (, coordinate support portion 170 or use other support component etc.) antenna 10 and circuit substrate are interval in to required distance.
Support portion 170 is arranged at a side of short circuit pin 120.When assembling aerial 10 and circuit substrate, support portion 170 can separately or coordinate feed-in pin 110 and short circuit pin 120, and antenna 10 and circuit substrate are interval in to required distance.Support portion 170 also can increase antenna 10 and be assembled in the structural stability after circuit substrate.In further embodiments, support portion 170 also can be arranged at the opposite side of short circuit pin 120, or is arranged at a side of feed-in pin 110.In fact, also can a plurality of support portions be set in the side of feed-in pin 110 and/or short circuit pin 120, or any support portion be set on antenna 10.
Antenna 10, by feed-in pin 110 and short circuit pin 120, receives signal by other element (not shown), and sends via Department of Radiation 130,140,150 and 160.Antenna 10 also can receive radio signals by Department of Radiation 130,140,150 and 160, and received radio signal is sent to other element (not shown) by feed-in pin 110 and short circuit pin 120.
In the embodiment of Fig. 1, the direction that the width of Department of Radiation 130 is set to from Department of Radiation 140 toward feed-in pin 110 reduces gradually.In further embodiments, the direction that the width of Department of Radiation 130 is set to from Department of Radiation 140 toward feed-in pin 110 increases gradually.The change width mode of Department of Radiation 130 can be minute stepped variation of a plurality of sections, with linear mode, change, in arc mode, changes or change in other suitable geometric figure mode.In further embodiments, Department of Radiation 130 also can be set to not change width.
Virtual route 180 is by way of Department of Radiation 130,140 and 150, the radiation body of the length representative antennas 10 of virtual route 180 is in the equivalent current path of the first frequency range, and the length of virtual route 180 equal in fact the first frequency range radio signal wavelength 1/4.Therefore, can be by adjusting the size of Department of Radiation 130,140 and 150, to adjust the radiation body of antenna 10 in the equivalent current path of the first frequency range.
Virtual route 190 is by way of Department of Radiation 130,140 and 160, the radiation body of the length representative antennas 10 of virtual route 190 is in the equivalent current path of the second frequency range, and the length of virtual route 190 equal in fact the second frequency range radio signal wavelength 1/4.Similarly, size that can be by adjusting Department of Radiation 130,140 and 160 with the radiation body of adjusting antenna 10 in the equivalent current path of the second frequency range.
In certain embodiments, size that can be by only adjusting Department of Radiation 150 with the radiation body of adjusting antenna 10 in the equivalent current path of the first frequency range, and size by only adjusting Department of Radiation 160 with the radiation body of adjusting antenna 10 in the equivalent current path of the second frequency range.In other words, can adjust respectively the radiation body of antenna 10 in the equivalent current path of two frequency ranges, and can not influence each other.
Each parts of aforementioned antenna 10 splice and combine after can making respectively by the material of conductivity more each other.Antenna 10 also can directly with integrally formed sheet metal, carry out punching press or cutting is made, to reduce complexity and the cost of manufacture.
Before antenna 10 and the circuit substrate of radio communication device are assembled, can first antenna 10 be bent into suitable shape, to increase the structural rigidity of antenna 10.
Fig. 2 is the schematic diagram of manufacture method one embodiment of antenna 10.As shown in Figure 2, can first the feed-in pin 110 of antenna 10, short circuit pin 120, Department of Radiation 130 and Department of Radiation 150 be bent into and 140 of Departments of Radiation be a predetermined angle (for example 80～100 degree between unspecified angle, in the present embodiment, be 90 degree).Then, Department of Radiation 160 is bent into and 140 of Departments of Radiation be a predetermined angle (for example 80～100 degree between unspecified angle, in the present embodiment, be 90 degree), and support portion 170 is bent into and 120 of short circuit pins be a predetermined angle (for example 80～100 degree between unspecified angle, in the present embodiment, be 90 degree).In further embodiments, the order of antenna 10 various piece bendings and the direction of bending also can be done suitable variation, and for example support portion 170 can not need bending.Or, also can use the bending mode that is mirror image with Fig. 2 embodiment, and as shown in the antenna 11 in Fig. 4 and Fig. 5.
In the present embodiment, feed-in pin 110, short circuit pin 120, Department of Radiation 130 and 150 are set to be positioned at same plane.In further embodiments, Department of Radiation 150 also can be set to not be positioned at same plane with feed-in pin 110, short circuit pin 120 and Department of Radiation 130.In the present embodiment, Department of Radiation 160 is set to present parallel state with feed-in pin 110, short circuit pin 120 and Department of Radiation 130, and in further embodiments, Department of Radiation 160 also can be set to not present parallel state with feed-in pin 110, short circuit pin 120 and Department of Radiation 130.
In the present embodiment, Department of Radiation 140 is set to vertical in fact with 160 with Department of Radiation 130,150, that is the structure of the bent one-tenth stereo structure of antenna 10, can strengthen its structural rigidity and stability like this, makes antenna 10 not yielding in the process of assembling and use.
Figure 3 shows that the schematic diagram after using an exemplary radio communication device 300 of antenna 10 to simplify.Radio communication device 300 includes antenna 10 and circuit substrate 310, and circuit substrate 310 includes grounding parts 320 and connecting portion 330 and 340.Grounding parts 320 in Fig. 3 is only schematically to draw, and the size of grounding parts 320, position and shape also can be considered and adjust according to different designs.For for purpose of brevity, in Fig. 3 and not shown other element.
Connecting portion 330 and 340 can be realized with the hole running through, in order to antenna 10 is fixed on circuit substrate 310.In one embodiment, connecting portion 330 is through holes, is coated with conductive material, and is connected with the grounding parts 320 on circuit substrate 310.After the short circuit pin 120 of antenna 10 engages in modes such as grafting or welding with connecting portion 330, short circuit pin 120 can be conducted with grounding parts 320.And connecting portion 340 in embodiment is also through hole.The feed-in pin 110 of antenna 10 can engage in modes such as grafting or welding with connecting portion 340, and is coupled to other element on circuit substrate 310, so that the electromagnetic wave signal that feed-in pin 110 is received and dispatched antenna 10 is coupled to suitable element, processes.In another embodiment, connecting portion 330 and/or 340 also can adopt the shrinkage pool not running through to realize.
In the embodiments of figure 3, the width of both ends of short circuit pin 120 and feed-in pin 110 reduces all gradually, and the size of can be connected portion 330 and 340, is fixed on circuit substrate 310 by antenna 10 with needed distance.
When antenna 10 is bonded to circuit substrate 310, support portion 170 can just in time be supported and touch to the surface of circuit substrate 310, or the distance suitable with the spaced surface one of circuit substrate 310 (for example, being less than 4mm), makes support portion 170 that the function of stabilized antenna 10 structures can be provided.In another embodiment, support portion 170 also can be adjusted, for example, a part for support portion 170 is bent into paralleling with the surface of circuit substrate 310, and when antenna 10 is bonded to circuit substrate, support portion 170 part parallel with circuit substrate 310 is supported and touch to the surface of circuit substrate 310.In certain embodiments, support portion 170 can be set in antenna 10, and support component is directly arranged on circuit substrate 310, or use other support component that antenna 10 is fixed on to circuit substrate 310.In further embodiments, can not use support portion or support component completely yet.
In one embodiment, when antenna 10 is assembled to circuit substrate 310, the Department of Radiation 130,150 of antenna 10 can be vertical in fact with the surface of circuit substrate 310 with 160, and the Department of Radiation 140 of antenna 10 can be parallel in fact with the surface of circuit substrate 310.In further embodiments, the Department of Radiation 130,140,150 of antenna 10 and 160 and angles, direction and the relative position etc. of 310 of circuit substrates all can suitably adjust.
Fig. 4 and Fig. 5 are respectively and use the exemplary radio communication device 400 of two groups of antennas 10 and 11 and the schematic diagram after 500 simplification.Radio communication device 400 and 500 all includes antenna 10 and 11 and circuit substrate 310, and circuit substrate 310 includes grounding parts 320 and connecting portion 330,340,350 and 360.Grounding parts 320 in figure is only schematically to draw, and the size of grounding parts 320, position and shape also can be considered and adjust according to different designs.For for purpose of brevity, in figure and not shown other element.
Connecting portion 330～360 can be realized with the hole running through, in order to antenna 10 is fixed on circuit substrate 310.In one embodiment, connecting portion 330 and 350 is through holes, is coated with conductive material, and is connected with the grounding parts 320 on circuit substrate 310.After the short circuit pin of antenna 10 and 11 engages in modes such as grafting or welding with connecting portion 330 and 350, these short circuit pins can be conducted with grounding parts 320.And connecting portion 340 and 360 in the present embodiment is also through hole.Antenna 10 and 11 feed-in pin can be with connecting portion 340 and 360 to peg graft or the mode such as welding engage, and be coupled to other element on circuit substrate 310, so that being coupled to suitable element, processes the electromagnetic wave signal of antenna 10 and 11 being received and dispatched by feed-in pin.In one embodiment, connecting portion 330,340,350 and/or 360 also can adopt the shrinkage pool not running through to realize.Other is as angles, direction and the relative position etc. of tip dimensions design, support portion, support component, antenna and the circuit substrate of short circuit pin and feed-in pin, all can with reference in above-mentioned or this specification other embodiment and combination in addition.
In the embodiment of Fig. 4 and Fig. 5, because set antenna 10 and 11 all can be in the first frequency range and the second frequency range receiving and transmitting signal, therefore can support the function (multiple-input-multiple-output, MIMO) of multiple-input and multiple-output.In fact, also antenna 10 can be designed to can be in the first frequency range and the second frequency range receiving and transmitting signal, and antenna 11 is designed to can be in the 3rd frequency range and the 4th frequency range receiving and transmitting signal, make radio communication device 400 and 500 can be on needed different frequency range receiving and transmitting signal.
In further embodiments, size, shape and the relative position of antenna 10 each several parts, or the relative position of antenna 10 and circuit substrate 310 assemblings etc., can suitably adjust to obtain required antenna receiving-sending characteristic.For example, in the embodiment of Fig. 6, the first frequency range of antenna 10 is about 2.4GHz, and the second frequency range is about 5GHz, and the size of antenna 10 is about 20mm * 8mm * 3mm.
In Fig. 7～Fig. 9, show the impact after the adjusted size at other position of the antenna 10 in Fig. 6, the reflection loss of antenna (return loss) being caused.
As shown in Figure 7, adjust the distance g of 120 of feed-in pin 110 and short circuit pins, to the bandwidth of the reflection loss of antenna and required frequency range, can change.By adjusting apart from g, change the input impedance of antenna, to obtain required impedance matching, and near bandwidth and the reflection loss the first frequency range and the second frequency range can be adjusted at, thereby required antenna performance can be obtained.While increasing apart from the numerical value of g, can make near the reflection loss the first frequency range increase, and near the bandwidth the second frequency range is increased.For example, in the embodiment of Fig. 6, can be set between 0.5mm～6mm apart from g.In some preferred embodiments, can be set between 4mm～6mm apart from g.
As shown in Figure 8, adjust the distance d between short circuit pin 120 and circuit substrate, to the bandwidth of the reflection loss of antenna and required frequency range, can change.By adjusting apart from d, change the input impedance of antenna, to obtain required impedance matching, and near bandwidth and the reflection loss the first frequency range and the second frequency range can be adjusted at, thereby required antenna performance can be obtained.While increasing apart from the numerical value of d, can make near the reflection loss the first frequency range increase, and near the bandwidth the second frequency range is increased.For example, in the embodiment of Fig. 6, can be set between 1.5mm～4.5mm apart from d.
As shown in Figure 9, adjust the distance s between Department of Radiation 130 and circuit substrate, to the bandwidth of the reflection loss of antenna and required frequency range, can change.By adjusting apart from s, change the input impedance of antenna, to obtain required impedance matching, and near bandwidth and the reflection loss the first frequency range and the second frequency range can be adjusted at, thereby required antenna performance can be obtained.While reducing apart from the numerical value of s, can make that near reflection loss the first frequency range increases, near the bandwidth the second frequency range increases and makes the first frequency range and the second frequency range be adjusted into upper frequency.Apart from s hour, the area of Department of Radiation 130 is larger, in equivalence, can receive and dispatch more multifrequency signal, so can have preferably bandwidth characteristic in the second frequency range.For example, in the embodiment of Fig. 6, can be set between 0.8mm～4.5mm apart from s.In some preferred embodiments, can be set between 0.8mm～1.5mm apart from s.
The all available integrally formed structure of aforesaid antenna, therefore only needs to use a metallic conductor, through suitable recessed folding, can complete.And the antenna that this specification proposes can directly peg graft or weld together with the circuit substrate of electronic equipment, therefore it has, make simple, with low cost and assemble easy advantage.
The foregoing is only the preferred embodiments of the present invention, all equalizations of doing according to the claims in the present invention book change and modify, and all should belong to covering scope of the present invention.
Claims (16)
1. a dual-band antenna, includes:
One radiation body, includes a plurality of Departments of Radiation, lays respectively at one first plane, one second plane, one the 3rd plane and Yi Siping City face;
One short circuit pin, stretches out from described radiation body, and described short circuit pin is positioned at described the first plane; And
One feed-in pin, stretches out from described radiation body, and described feed-in pin is positioned at described the first plane;
Wherein, be positioned at described the first plane, a plurality of Departments of Radiation of described the second plane and described the 3rd plane can be used for the signal of sending and receiving one first frequency range, be positioned at described the first plane, described the second plane and described quadriplanar a plurality of Departments of Radiation can be used for the signal of sending and receiving one second frequency range, and described the first plane and described the second interplanar, described the second plane and described the 3rd interplanar, and described the second plane and described the 4th interplanar respectively have the angles of one 80 degree～100 degree, wherein, described the 3rd plane and described Siping City face are not same planes.
2. dual-band antenna according to claim 1, also includes one or more support portions, from described radiation body, described short circuit pin and described feed-in pin at least one of them stretches out.
3. dual-band antenna according to claim 2, wherein, described support portion and radiation body, described short circuit pin and feed-in pin at least one of them has one 80 degree to the angle of 100 degree.
4. dual-band antenna according to claim 1, wherein, described the first plane and described the second interplanar, described the second plane and described the 3rd interplanar and described the second plane and described the 4th interplanar angle are 90 degree.
5. dual-band antenna according to claim 1, wherein, described the first plane and described the 3rd plane are positioned in fact same plane.
6. dual-band antenna according to claim 1, wherein, described short circuit pin and described feed-in pin spacing are between 0.5mm to 6mm.
7. dual-band antenna according to claim 1, wherein, described a plurality of Department of Radiation comprise be positioned at described the first plane one first Department of Radiation, be positioned at described the second plane one second Department of Radiation, be positioned at one the 3rd Department of Radiation of described the 3rd plane and be positioned at described the quadriplanar 1 the 4th Department of Radiation.
8. a radio communication device, includes:
One circuit substrate, includes one first connecting portion and one second connecting portion; And
One dual-band antenna, includes:
One radiation body, includes a plurality of Departments of Radiation, lays respectively at one first plane, one second plane, one the 3rd plane and Yi Siping City face;
One short circuit pin, stretches out from described radiation body, and engages with described the first connecting portion, and described short circuit pin is positioned at described the first plane; And
One feed-in pin, stretches out from described radiation body, and engages with described the second connecting portion, and described feed-in pin is positioned at described the first plane;
Wherein, be positioned at described the first plane, a plurality of Departments of Radiation of described the second plane and described the 3rd plane can be used for the signal of sending and receiving one first frequency range, be positioned at described the first plane, described the second plane and described quadriplanar a plurality of Departments of Radiation can be used for the signal of sending and receiving one second frequency range, and described the first plane and described the second interplanar, described the second plane and described the 3rd interplanar, and described the second plane and described the 4th interplanar respectively have the angles of one 80 degree～100 degree, wherein, described the 3rd plane and described Siping City face are not same planes.
9. radio communication device according to claim 8, also include one or more support portions, from described radiation body, described short circuit pin and described feed-in pin at least one of them stretches out, can be in order to contact described circuit substrate and to support described dual-band antenna.
10. radio communication device according to claim 9, wherein, described support portion and radiation body, described short circuit pin and feed-in pin at least one of them has the angles of one 80 degree～100 degree.
11. radio communication devices according to claim 8, wherein, described the first plane and described the second interplanar, described the second plane and described the 3rd interplanar and described the second plane and described the 4th interplanar angle are 90 degree.
12. radio communication devices according to claim 8, wherein, described the first plane and described the 3rd plane are positioned in fact same plane.
13. radio communication devices according to claim 8, wherein, described short circuit pin and described feed-in pin spacing are between 0.5mm～6mm.
14. radio communication devices according to claim 8, wherein, described short circuit pin and described circuit substrate spacing are between 1.5mm～4.5mm.
15. radio communication devices according to claim 8, wherein, described a plurality of Department of Radiation comprise be positioned at described the first plane one first Department of Radiation, be positioned at described the second plane one second Department of Radiation, be positioned at one the 3rd Department of Radiation of described the 3rd plane and be positioned at described the quadriplanar 1 the 4th Department of Radiation.
16. radio communication devices according to claim 15, wherein, described the first Department of Radiation and described circuit substrate spacing are between 0.8mm～4.5mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010604742.7A CN102570035B (en) | 2010-12-23 | 2010-12-23 | Double-frequency antenna and relevant communication device |
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| CN201010604742.7A CN102570035B (en) | 2010-12-23 | 2010-12-23 | Double-frequency antenna and relevant communication device |
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| CN102570035A CN102570035A (en) | 2012-07-11 |
| CN102570035B true CN102570035B (en) | 2014-07-16 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104882666A (en) * | 2015-05-07 | 2015-09-02 | 深圳市共进电子股份有限公司 | Small-sized planar high-gain inverted-F antenna |
| CN107437653A (en) * | 2016-05-28 | 2017-12-05 | 华为终端（东莞）有限公司 | The communication terminal of antenna structure and the application antenna structure |
| WO2018119946A1 (en) * | 2016-12-29 | 2018-07-05 | 深圳天珑无线科技有限公司 | Multi-input multi-output antenna system and mobile terminal |
| CN107317097B (en) * | 2017-07-03 | 2020-01-17 | 昆山睿翔讯通通信技术有限公司 | Millimeter wave array and non-millimeter wave integrated antenna |
| CN109962336B (en) * | 2019-03-31 | 2021-02-12 | 西安电子科技大学 | Omnidirectional router board-mounted dual-frequency MIMO antenna |
| CN110444861B (en) * | 2019-08-07 | 2021-06-22 | 浙江金乙昌科技股份有限公司 | Three-frequency miniaturized pure metal Pifa antenna containing V2X frequency band |
| CN113972476B (en) * | 2020-07-24 | 2023-12-22 | 瑞昱半导体股份有限公司 | Antenna and wireless communication device |
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| CN1877910A (en) * | 2005-06-10 | 2006-12-13 | 鸿富锦精密工业（深圳）有限公司 | Dual-frequency antenna |
| CN200979908Y (en) * | 2006-11-01 | 2007-11-21 | 启碁科技股份有限公司 | A multi-frequency antenna and electronic equipment with such multi-frequency antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6836249B2 (en) * | 2002-10-22 | 2004-12-28 | Motorola, Inc. | Reconfigurable antenna for multiband operation |
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|---|---|---|---|---|
| CN1877910A (en) * | 2005-06-10 | 2006-12-13 | 鸿富锦精密工业（深圳）有限公司 | Dual-frequency antenna |
| CN200979908Y (en) * | 2006-11-01 | 2007-11-21 | 启碁科技股份有限公司 | A multi-frequency antenna and electronic equipment with such multi-frequency antenna |
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