CN201549598U - Double-frequency monopole antenna device with multiply inputs and outputs - Google Patents
Double-frequency monopole antenna device with multiply inputs and outputs Download PDFInfo
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- CN201549598U CN201549598U CN 200920179762 CN200920179762U CN201549598U CN 201549598 U CN201549598 U CN 201549598U CN 200920179762 CN200920179762 CN 200920179762 CN 200920179762 U CN200920179762 U CN 200920179762U CN 201549598 U CN201549598 U CN 201549598U
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Abstract
A double-frequency monopole antenna device with multiply inputs and outputs comprises a round bottom plate and at least three antenna units, wherein, the three antenna units are arranged on the round bottom plate at equal angles, and the antenna units are put along the tangential direction of the round bottom plate. Therefore, the integral volume of the antenna device is reduced, and mutual interferences among all antennas are avoided.
Description
Technical field
The utility model relates to a kind of antenna, particularly a kind of double frequency mono-polar antenna device of many input and output.
Background technology
Along with the wireless telecommunications development of science and technology, the various products that are applied to multifrequency transmission also arise, similarly be mobile phone, action TV, global position determination device (global positioning system, GPS) or the like, all need be by the Antenna Design that is fit to, so as to reaching best usefulness.Antenna be in wireless transmission in order to send and to receive the significant components of electromagnetic wave energy, allow the user not limited by landform, and utilize wireless telecommunication system to carry out message transmission smoothly.The applied antenna of present various product, its method for designing is all inequality with the use material.Select suitable antenna for use, help to promote transmission characteristic, also can reduce production costs simultaneously.
Existing multiple input and multiple output (multiple input and multiple output, MIMO) a plurality of antennas of system are to be provided with in mode side by side, and the distance that is provided with between each antenna must be greater than forming the minimum range of interfering, to avoid adjacent antenna generation signal interference problem.That is to say that the aerial position of existing multiple input and multiple output system can not be done too significantly and adjust, and the also miniaturization of the overall volume of system, can't make this class antenna also therefore be restricted in the use.
In addition, owing to be subject to the structure of existing multiple input and multiple output system antenna, the volume potential that causes being equiped with the electronic installation of multiple input and multiple output system antenna must be compact, add also and must consider problems such as antenna gain and impedance matching, cause the electronic installation of multiple input and multiple output system antenna and its application online quite complicated in design and cloth, make relatively to make and quite be not easy with assembling process, and also may be for the electronic installation volume lightening, and sacrifice the gain effect of antenna.
For the degree of difficulty of the manufacturing of effectively simplifying antenna and assembling process and reduce relative manufacturing cost, the correlative study personnel constantly carry out the improvement that the antenna structure of multiple input and multiple output system designs.
The utility model content
In view of above problem, the utility model provides a kind of double frequency mono-polar antenna device of many input and output, so as to solving existing in prior technology because of being subject to the antenna alignment mode of existing multiple input and multiple output system, cause the too huge and complex structure of its volume, make to make and to be difficult for assembling process or problem such as radiation efficiency is clear.
To achieve these goals, the utility model discloses a kind of double frequency mono-polar antenna device of many input and output, it is characterized in that, includes:
One circular bottom plate has one first relative side and one second side; And
At least three antenna elements are arranged at equal angles on this first side of this circular bottom plate, and these three antenna elements are put corresponding to the tangential direction of this circular bottom plate.
The double frequency mono-polar antenna device of above-mentioned many input and output, it is characterized in that, respectively this antenna element has one first Department of Radiation, one second Department of Radiation, reaches a signal feed-in part, this second Department of Radiation is connected in this first Department of Radiation and this signal feed-in part respectively, and this signal feed-in part is connected in this first side of this circular bottom plate.
The double frequency mono-polar antenna device of above-mentioned many input and output is characterized in that, the frequency band range of this first Department of Radiation is 2400MHz to 2500MHz, and the frequency band range of this second Department of Radiation is 5150MHz to 5875MHz.
The double frequency mono-polar antenna device of above-mentioned many input and output is characterized in that, also includes at least three electric connectors, is installed in this second side of this circular bottom plate, and these three electric connectors connect this three antenna elements respectively.
The double frequency mono-polar antenna device of above-mentioned many input and output is characterized in that, this of this circular bottom plate second side also has a fixed leg.
Effect of the present utility model is, antenna element more than three is provided with equal angles and corresponding to the tangential direction of circular bottom plate, spare part quantity is few, its packaging technology is easy, and the overall volume of antenna assembly is significantly dwindled, and also do not produce the situation of mutual interference between each antenna element, possess good radiation efficiency.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Figure 1A is the decomposing schematic representation of the utility model one embodiment;
Figure 1B is the decomposing schematic representation of the utility model one embodiment;
Fig. 2 A is the schematic perspective view of the utility model one embodiment;
Fig. 2 B is the schematic perspective view of the utility model one embodiment;
Fig. 2 C is the planar top view of the utility model one embodiment;
Fig. 2 D is the planar side view of the utility model one embodiment;
Fig. 3 A is the schematic perspective view of the antenna element of the utility model one embodiment;
Fig. 3 B is the floor map of the antenna element of the utility model one embodiment;
Fig. 4 A is voltage standing wave ratio (VSWR) the numeric distribution figure of first antenna element of the utility model one embodiment;
Fig. 4 B is voltage standing wave ratio (VSWR) the numeric distribution figure of second antenna element of the utility model one embodiment;
Fig. 4 C is voltage standing wave ratio (VSWR) the numeric distribution figure of the third antenna unit of the utility model one embodiment;
Fig. 5 A is first antenna element and the isolation of second antenna element and the graph of a relation of frequency of the utility model one embodiment;
Fig. 5 B is second antenna element and the isolation of third antenna unit and the graph of a relation of frequency of the utility model one embodiment;
Fig. 5 C is first antenna element and the isolation of third antenna unit and the graph of a relation of frequency of the utility model one embodiment;
Fig. 6 A is that the antenna assembly frequency of operation of the utility model one embodiment is the Y-Z vertical plane field shape figure of 2400 megahertzes;
Fig. 6 B is that the antenna assembly frequency of operation of the utility model one embodiment is the Y-Z vertical plane field shape figure of 2450 megahertzes;
Fig. 6 C is that the antenna assembly frequency of operation of the utility model one embodiment is the Y-Z vertical plane field shape figure of 2500 megahertzes;
Fig. 7 A is that the antenna assembly frequency of operation of the utility model one embodiment is the Y-Z vertical plane field shape figure of 5100 megahertzes;
Fig. 7 B is that the antenna assembly frequency of operation of the utility model one embodiment is the Y-Z vertical plane field shape figure of 5300 megahertzes;
Fig. 7 C is that the antenna assembly frequency of operation of the utility model one embodiment is the Y-Z vertical plane field shape figure of 5500 megahertzes;
Fig. 7 D is that the antenna assembly frequency of operation of the utility model one embodiment is the Y-Z vertical plane field shape figure of 5700 megahertzes;
Fig. 7 E is that the antenna assembly frequency of operation of the utility model one embodiment is the Y-Z vertical plane field shape figure of 5900 megahertzes;
Fig. 8 A is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Z vertical plane field shape figure of 2400 megahertzes;
Fig. 8 B is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Z vertical plane field shape figure of 2450 megahertzes;
Fig. 8 C is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Z vertical plane field shape figure of 2500 megahertzes;
Fig. 9 A is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Z vertical plane field shape figure of 5100 megahertzes;
Fig. 9 B is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Z vertical plane field shape figure of 5300 megahertzes;
Fig. 9 C is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Z vertical plane field shape figure of 5500 megahertzes;
Fig. 9 D is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Z vertical plane field shape figure of 5700 megahertzes;
Fig. 9 E is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Z vertical plane field shape figure of 5900 megahertzes;
Figure 10 A is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Y horizontal plane field shape figure of 2400 megahertzes;
Figure 10 B is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Y horizontal plane field shape figure of 2450 megahertzes;
Figure 10 C is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Y horizontal plane field shape figure of 2500 megahertzes;
Figure 11 A is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Y horizontal plane field shape figure of 5100 megahertzes;
Figure 11 B is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Y horizontal plane field shape figure of 5300 megahertzes;
Figure 11 C is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Y horizontal plane field shape figure of 5500 megahertzes;
Figure 11 D is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Y horizontal plane field shape figure of 5700 megahertzes;
Figure 11 E is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Y horizontal plane field shape figure of 5900 megahertzes;
Figure 12 A is that the antenna assembly frequency of operation of the utility model one embodiment is the Y-Z vertical plane field shape figure of 2450 megahertzes;
Figure 12 B is that the antenna assembly frequency of operation of the utility model one embodiment is the Y-Z vertical plane field shape figure of 5550 megahertzes;
Figure 13 A is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Z vertical plane field shape figure of 2450 megahertzes; And
Figure 13 B is that the antenna assembly frequency of operation of the utility model one embodiment is the X-Z vertical plane field shape figure of 5550 megahertzes.
Wherein, Reference numeral
100 antenna assemblies
110 circular bottom plate
111 first sides
112 second sides
113 fixed legs
120 first antenna elements
121 first Departments of Radiation
122 second Departments of Radiation
123 signal feed-in part
130 second antenna elements
140 third antenna unit
150 electric connectors
Embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and operation principle are done concrete description:
Figure 1A to Fig. 2 D is the schematic perspective view of the utility model one embodiment.As shown in the figure, double frequency mono-polar antenna device 100 of the present utility model is many input and output (multiple input and multiple output, MIMO) system, it includes a circular bottom plate 110 and at least three antenna elements (first antenna element 120, second antenna element 130, and third antenna unit 140).Circular bottom plate 110 has first relative side 111 (being the end face of circular bottom plate 110) and second side 112 (being the bottom surface of circular bottom plate 110), and three antenna elements the 120,130, the 140th are arranged at equal angles on first side 111 of circular bottom plate 110, and three antenna elements the 120,130, the 140th, put corresponding to the tangential direction of circular bottom plate 110.
That is to say, three antenna elements the 120,130, the 140th are put towards the center of circular bottom plate 110, and the tangential direction of antenna element 120,130,140 and circular bottom plate 110 is the relation that is parallel to each other, and antenna element the 120,130, the 140th, be arranged at the maximum magnitude of circular bottom plate 110 near its periphery, therefore do not influence the assembling flow path of follow-up electronic installation (not shown).
It should be noted that, the quantity of antenna element 120,130,140 of the present utility model is three, therefore the central point with circular bottom plate 110 extends a virtual position line towards the middle position of each antenna element 120,130,140, can know that the angle of learning between each antenna element 120,130,140 is 120 degree, and the air line distance between each antenna element 120,130,140 is to avoid forming the minimum range that interferes with each other, therefore the isolation between each antenna element 120,130,140 is quite good, and the radiation signal that it sent does not influence each other.Yet the quantity that is provided with that those skilled in the art also can change antenna element 120,130,140 is a plurality of, does not exceed with the disclosed quantity of present embodiment.
See also Figure 1A to Fig. 2 D, the double frequency mono-polar antenna device 100 of many input and output of the present utility model also includes three electric connectors 150, be installed on second side 112 of circular bottom plate 110, and three electric connectors 150 are connected to triantennary unit 120,130,140, so that electrically connect mutually with the coaxial cable (not shown).In addition, also be provided with a fixed leg 113 on second side 112 of circular bottom plate 110, so that antenna assembly 100 is fixedly arranged on the electronic installation (not shown).
Fig. 3 A and Fig. 3 B are depicted as the schematic diagram of antenna element of the present utility model, because the structure of triantennary unit 120,130,140 is identical, are that example describes with first antenna element 120 only at this therefore.First antenna element 120 of the present utility model is a double frequency mono-polar antenna, and the structure that is formed in one, and it has first Department of Radiation 121, second Department of Radiation 122 respectively, reaches signal feed-in part 123.Second Department of Radiation 122 is connected with first Department of Radiation 121 and signal feed-in part 123 respectively, and signal feed-in part 123 is connected on first side 111 of circular bottom plate 110, and signal feed-in part 123 be connected with electric connector 150 (shown in Fig. 2 A).First Department of Radiation 121 of first antenna element 120 is the low frequency radiation position, its frequency band range about 2400 megahertzes (MHz) between 2500 megahertzes (MHz), second Department of Radiation 122 of first antenna element 120 is the high frequency radiation position, its frequency band range about 5150 megahertzes (MHz) between 5875 megahertzes (MHz).
Fig. 4 A to Fig. 4 C is depicted as first antenna element of the present utility model, second antenna element, reaches the third antenna unit respectively via voltage standing wave ratio (voltage standing wave ratio, VSWR) numeric distribution figure after the test.By the utility model first antenna element 120, second antenna element 130, and voltage standing wave ratio (VSWR) datagram of third antenna unit 140 in learn, the 1st all is about 2.4 a billions conspicuous (GHz), the 2nd all is about 2.5 a billions conspicuous (GHz), the 3rd all is about 5.1 a billions conspicuous (GHz), and the 4th all is about 5.9 a billions conspicuous (GHz).
Fig. 5 A to Fig. 5 C be depicted as each antenna element of the utility model between isolation (isolation) test curve figure, wherein the longitudinal axis is the value that expression can be measured gained behind the log, unit is dB, every lattice 10dB (10.00dB/DIV), and reference data REF is-15dB.And transverse axis is the frequency range that expression measures, and initial frequency is 2000 megahertzes (MHz), and the termination frequency is 6000 megahertzes (MHz).
Can learn by first antenna element 120 among Fig. 5 A and the isolation degree test curve chart between second antenna element 130, the value of test point 1 (frequency is about 2.4 a billions conspicuous (GHz)) is-21.936dB, the value of test point 2 (frequency is about 2.5 a billions conspicuous (GHz)) is-19.853dB, the value of test point 3 (frequency is about 5.1 a billions conspicuous (GHz)) is-18.221dB, and the value of test point 4 (frequency be about 5.9 a billions conspicuous (GHz)) is-16.658dB, all be lower than reference data-15dB.
Can learn by second antenna element 130 among Fig. 5 B and the isolation degree test curve chart between the third antenna unit 140, the value of test point 1 (frequency is about 2.4 a billions conspicuous (GHz)) is-20.811dB, the value of test point 2 (frequency is about 2.5 a billions conspicuous (GHz)) is-19.258dB, the value of test point 3 (frequency is about 5.1 a billions conspicuous (GHz)) is-17.597dB, and the value of test point 4 (frequency be about 5.9 a billions conspicuous (GHz)) is-16.259dB, all be lower than reference data-15dB.
Can learn by first antenna element 120 among Fig. 5 C and the isolation degree test curve chart between the third antenna unit 140, the value of test point 1 (frequency is about 2.4 a billions conspicuous (GHz)) is-22.111dB, the value of test point 2 (frequency is about 2.5 a billions conspicuous (GHz)) is-19.996dB, the value of test point 3 (frequency is about 5.1 a billions conspicuous (GHz)) is-17.104dB, and the value of test point 4 (frequency be about 5.9 a billions conspicuous (GHz)) is-16.117dB, all be lower than reference data-15dB.
Fig. 6 A is depicted as vertical plane (V-plane) the shape figure that the utility model antenna assembly frequency of operation is 2400 megahertzes; Fig. 6 B is depicted as vertical plane (V-plane) the shape figure that the utility model antenna assembly frequency of operation is 2450 megahertzes; Fig. 6 C is depicted as vertical plane (V-plane) the shape figure that the utility model antenna assembly frequency of operation is 2500 megahertzes.Fig. 7 A is depicted as vertical plane (V-plane) the shape figure that the utility model antenna assembly frequency of operation is 5100 megahertzes; Fig. 7 B is depicted as vertical plane (V-plane) the shape figure that the utility model antenna assembly frequency of operation is 5300 megahertzes; Fig. 7 C is depicted as vertical plane (V-plane) the shape figure that the utility model antenna assembly frequency of operation is 5500 megahertzes; Fig. 7 D is depicted as vertical plane (V-plane) the shape figure that the utility model antenna assembly frequency of operation is 5700 megahertzes; Fig. 7 E is depicted as vertical plane (V-plane) the shape figure that the utility model antenna assembly frequency of operation is 5900 megahertzes.Wherein the vertical plane shown in Fig. 6 A to Fig. 7 E (V-plane) is the Y-Z plane with Figure 1A.
Fig. 8 A is depicted as another vertical plane (V-plane) shape figure that the utility model antenna assembly frequency of operation is 2400 megahertzes; Fig. 8 B is depicted as another vertical plane (V-plane) shape figure that the utility model antenna assembly frequency of operation is 2450 megahertzes; Fig. 8 C is depicted as another vertical plane (V-plane) shape figure that the utility model antenna assembly frequency of operation is 2500 megahertzes.Fig. 9 A is depicted as another vertical plane (V-plane) shape figure that the utility model antenna assembly frequency of operation is 5100 megahertzes; Fig. 9 B is depicted as another vertical plane (V-plane) shape figure that the utility model antenna assembly frequency of operation is 5300 megahertzes; Fig. 9 C is depicted as another vertical plane (V-plane) shape figure that the utility model antenna assembly frequency of operation is 5500 megahertzes; Fig. 9 D is depicted as another vertical plane (V-plane) shape figure that the utility model antenna assembly frequency of operation is 5700 megahertzes; Fig. 9 E is depicted as another vertical plane (V-plane) shape figure that the utility model antenna assembly frequency of operation is 5900 megahertzes.Wherein another vertical plane (V-plane) shown in Fig. 8 A to Fig. 9 E is the X-Z plane with Figure 1A.
Figure 10 A is depicted as horizontal plane (H-plane) the shape figure that the utility model antenna assembly frequency of operation is 2400 megahertzes; Figure 10 B is depicted as horizontal plane (H-plane) the shape figure that the utility model antenna assembly frequency of operation is 2450 megahertzes; Figure 10 C is depicted as horizontal plane (H-plane) the shape figure that the utility model antenna assembly frequency of operation is 2500 megahertzes.Figure 11 A is depicted as horizontal plane (H-plane) the shape figure that the utility model antenna assembly frequency of operation is 5100 megahertzes; Figure 11 B is depicted as horizontal plane (H-plane) the shape figure that the utility model antenna assembly frequency of operation is 5300 megahertzes; Figure 11 C is depicted as horizontal plane (H-plane) the shape figure that the utility model antenna assembly frequency of operation is 5500 megahertzes; Figure 11 D is depicted as horizontal plane (H-plane) the shape figure that the utility model antenna assembly frequency of operation is 5700 megahertzes; Figure 11 E is depicted as horizontal plane (H-plane) the shape figure that the utility model antenna assembly frequency of operation is 5900 megahertzes.Wherein the horizontal plane shown in Figure 10 A to Figure 11 E (H-plane) is the X-Y plane with Figure 1A.
By the antenna assembly 100 shown in Fig. 2 A and Fig. 2 B, behind first antenna element, 120 FD feeds, its peak gain that measures (Peak Gain), its measurement is shown in following table one and following table two.
Table one
| Frequency (GHz) | 2.4 | 2.45 | 2.5 |
| The horizontal peak gain (dBi) of Y-Z direction | 2.37 | 2.52 | 2.09 |
| The horizontal peak gain (dBi) of X-Z direction | 2.69 | 2.29 | 1.48 |
| Frequency (GHz) | 2.4 | 2.45 | 2.5 |
| The vertical peak gain (dBi) of X-Y direction | 0.83 | 0.82 | 0.67 |
Table two
| Frequency (GHz) | 5.1 | 5.3 | 5.5 | 5.7 | 5.9 |
| The horizontal peak gain (dBi) of Y-Z direction | 3.66 | 1.54 | -1.02 | -1.63 | 0.52 |
| The horizontal peak gain (dBi) of X-Z direction | 9.63 | 9.12 | 9.10 | 9.65 | 10.25 |
| The vertical peak gain (dBi) of X-Y direction | 2.02 | 2.24 | 2.63 | 2.99 | 4.01 |
The frequency of operation that Figure 12 A is depicted as each antenna element of the utility model antenna assembly is Y-Z vertical plane (V-plane) shape figure of 2450 megahertzes, that is: continuous lines line segment (-) Port1 is 2450MHz; Dashed line segment (---) Port2 is 2450MHz; (.-.-) Port3 is 2450MHz to the chain-dotted line line segment; The frequency of operation that Figure 12 B is depicted as each antenna element of the utility model antenna assembly is Y-Z vertical plane (V-plane) shape figure of 5500 megahertzes, and promptly continuous lines line segment (-) Port1 is 5500MHz; Dashed line segment (---) Port2 is 5500MHz; (.-.-) Port3 is 5500MHz to the chain-dotted line line segment.The frequency of operation that Figure 13 A is depicted as each antenna element of the utility model antenna assembly is X-Z vertical plane (V-plane) shape figure of 2450 megahertzes, that is: continuous lines line segment (-) Port1 is 2450MHz; Dashed line segment (---) Port2 is 2450MHz; (.-.-) Port3 is 2450MHz to the chain-dotted line line segment; The frequency of operation that Figure 13 B is depicted as each antenna element of the utility model antenna assembly is X-Z vertical plane (V-plane) shape figure of 5500 megahertzes, and promptly continuous lines line segment (-) Port1 is 5500MHz; Dashed line segment (---) Port2 is 5500MHz; (.-.-) Port3 is 5500MHz to the chain-dotted line line segment.Wherein, continuous lines line segment (-) in graphic is the field deltoid of first antenna element 120, dashed line segment in graphic (---) is the field deltoid of second antenna element 130, and the chain-dotted line line segment in graphic (.-.-) be a deltoid of third antenna unit 140.
The double frequency mono-polar antenna device of the disclosed many input and output of the utility model, its three antenna elements are to be provided with equal angles and corresponding to the tangential direction of circular bottom plate, make that the overall volume of antenna assembly is significantly dwindled, and also do not produce the situation of mutual interference between each antenna element, possess good radiation efficiency.In addition, the spare part quantity of antenna assembly of the present utility model is few, makes antenna assembly more convenient in assembling, and then reduces manufacturing cost.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (5)
1. the double frequency mono-polar antenna device of input and output more than a kind is characterized in that, includes:
One circular bottom plate has one first relative side and one second side; And
At least three antenna elements are arranged at equal angles on this first side of this circular bottom plate, and these three antenna elements are put corresponding to the tangential direction of this circular bottom plate.
2. the double frequency mono-polar antenna device of many input and output according to claim 1, it is characterized in that, respectively this antenna element has one first Department of Radiation, one second Department of Radiation, reaches a signal feed-in part, this second Department of Radiation is connected in this first Department of Radiation and this signal feed-in part respectively, and this signal feed-in part is connected in this first side of this circular bottom plate.
3. the double frequency mono-polar antenna device of many input and output according to claim 2 is characterized in that, the frequency band range of this first Department of Radiation is 2400MHz to 2500MHz, and the frequency band range of this second Department of Radiation is 5150MHz to 5875MHz.
4. the double frequency mono-polar antenna device of many input and output according to claim 1 is characterized in that, also includes at least three electric connectors, is installed in this second side of this circular bottom plate, and these three electric connectors connect this three antenna elements respectively.
5. the double frequency mono-polar antenna device of many input and output according to claim 1 is characterized in that, this of this circular bottom plate second side also has a fixed leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920179762 CN201549598U (en) | 2009-10-15 | 2009-10-15 | Double-frequency monopole antenna device with multiply inputs and outputs |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920179762 CN201549598U (en) | 2009-10-15 | 2009-10-15 | Double-frequency monopole antenna device with multiply inputs and outputs |
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| Publication Number | Publication Date |
|---|---|
| CN201549598U true CN201549598U (en) | 2010-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920179762 Expired - Fee Related CN201549598U (en) | 2009-10-15 | 2009-10-15 | Double-frequency monopole antenna device with multiply inputs and outputs |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075221A (en) * | 2011-01-13 | 2011-05-25 | 惠州Tcl移动通信有限公司 | Handheld terminal diversity antenna equivalent-designing method and system |
| CN113782984A (en) * | 2021-08-06 | 2021-12-10 | 北京航空航天大学 | Single-station positioning method combining UWB ranging and interferometer direction finding and antenna array |
-
2009
- 2009-10-15 CN CN 200920179762 patent/CN201549598U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075221A (en) * | 2011-01-13 | 2011-05-25 | 惠州Tcl移动通信有限公司 | Handheld terminal diversity antenna equivalent-designing method and system |
| CN113782984A (en) * | 2021-08-06 | 2021-12-10 | 北京航空航天大学 | Single-station positioning method combining UWB ranging and interferometer direction finding and antenna array |
| CN113782984B (en) * | 2021-08-06 | 2022-10-21 | 北京航空航天大学 | Single-station positioning method combining UWB ranging and interferometer direction finding and antenna array |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20121015 |