CN102456942A - Antenna - Google Patents
Antenna Download PDFInfo
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- CN102456942A CN102456942A CN201010517852XA CN201010517852A CN102456942A CN 102456942 A CN102456942 A CN 102456942A CN 201010517852X A CN201010517852X A CN 201010517852XA CN 201010517852 A CN201010517852 A CN 201010517852A CN 102456942 A CN102456942 A CN 102456942A
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- radiant body
- wireless signal
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Abstract
The invention discloses an antenna. The antenna comprises an earthing piece, a connecting piece, a first radiating body, a second radiating body, a third radiating body and a fourth radiating body, wherein the connecting piece is connected with the earthing piece; the first radiating body is connected with the connecting piece, extends towards a first direction and transmits a first wireless signal; the second radiating body is connected with the connecting piece, extends towards the first direction, is parallel to the first radiating body and transmits a second wireless signal, the frequency of the first wireless signal is different from that of the second wireless signal, and the first radiating body and the second radiating body resonate when the antenna transmits the first wireless signal and the second wireless signal; the third radiating body is connected with the connecting piece, extends towards a second direction and transmits a third wireless signal; the fourth radiating body is connected with the connecting piece, extends towards the second direction, is parallel to the third radiating body and transmits a fourth wireless signal, the frequency of the third wireless signal is different from that of the fourth wireless signal, the first direction is opposite to the second direction, and the third radiating body and the fourth radiating body resonate when the antenna transmits the third wireless signal and the fourth wireless signal. The bandwidth of the antenna is increased.
Description
Technical field
The present invention relates to a kind of antenna, particularly a kind of antenna that can increase bandwidth.
Background technology
In known antenna, in order to increase the bandwidth of the wireless signal that antenna transmits, often need the width of radiant body be increased, perhaps, extension or kink are set on radiant body, cause the volume of well-known antenna too huge.
Along with the increase day by day of radio communication specification, single antenna must satisfy communication specifications such as WLAN, WIFI, Bluetooth, WIMAX simultaneously at present.Yet the demand often causes the structure of antenna too complicated, and antenna volume is difficult for dwindling.The problem of interference also takes place between the radiant body of different frequency range in addition, easily.
Summary of the invention
The present invention has been the problem of solution known technology and a kind of antenna is provided, and this antenna comprises an earthing member, a connection piece, one first radiant body, one second radiant body, one the 3rd radiant body and one the 4th radiant body, and this connector connects this earthing member; This first radiant body connects this connector, and extends towards a first direction, and this first radiant body is used to transmit one first wireless signal; This second radiant body connects this connector; And towards this first direction extension, this second radiant body is parallel with this first radiant body, and this second radiant body is used to transmit one second wireless signal; Wherein, The frequency of this first wireless signal is different from the frequency of this second wireless signal, when this first and second wireless signal of this antenna transmission, and this first radiant body and the resonance of this second radiant body; The 3rd radiant body connects this connector, and the extension of court-second direction, and the 3rd radiant body is used to transmit one the 3rd wireless signal; The 4th radiant body connects this connector, and extends towards this second direction, and the 3rd radiant body is parallel with the 4th radiant body; The 4th radiant body is used to transmit one the 4th wireless signal; The frequency of the 3rd wireless signal is different from the frequency of the 4th wireless signal, and wherein, this first direction is in contrast to this second direction; When this antenna transmission the 3rd and the 4th wireless signal, the 3rd radiant body and the resonance of the 4th radiant body.
The present invention also provides a kind of antenna, and this antenna comprises an earthing member; A connection piece, this connector connects this earthing member; One first radiant body, this first radiant body connects this connector, and extends towards a first direction, and this first radiant body is used to transmit one first wireless signal; And one second radiant body, this second radiant body connects this connector, and extends towards this first direction; This second radiant body is parallel with this first radiant body; This second radiant body is used to transmit one second wireless signal, and wherein, the frequency of this first wireless signal is different from the frequency of this second wireless signal; When this first and second wireless signal of this antenna transmission, this first radiant body and the resonance of this second radiant body.
In an embodiment of the present invention; Can enlarge the transmission band of this first radiant body and this second radiant body through the resonance between this first radiant body and this second radiant body; Can enlarge the transmission band of the 3rd radiant body and the 4th radiant body through the resonance between the 3rd radiant body and the 4th radiant body, to reach the broadband demand.
Description of drawings
Figure 1A is for showing the antenna of the embodiment of the invention;
Figure 1B is another visual angle of the antenna of the embodiment of demonstration Figure 1A;
Fig. 2 is the signal transmission effect (voltage standing wave ratio VSWR) of the antenna of the demonstration embodiment of the invention; And
Fig. 3 is for showing the antenna of an alternate embodiment of the present invention.
The primary clustering symbol description:
100 antennas, 150 earthing members
110 first radiant bodies, 160 connectors
120 second radiant bodies, 161 first bridge
130 the 3rd radiant bodies, 162 second bridge
140 the 4th radiant bodies, 163 L shaped portions
Embodiment
With reference to Figure 1A, Figure 1B, the antenna 100 that it shows the embodiment of the invention comprises an earthing member 150, a connection piece 160, one first radiant body 110, one second radiant body 120, one the 3rd radiant body 130 and one the 4th radiant body 140.Connector 160 connects this earthing member 150.First radiant body 110 connects this connector 160, and extends towards a first direction (X), and this first radiant body 110 is used to transmit one first wireless signal.Second radiant body 120 connects this connector 160, and extends towards this first direction (X), and this second radiant body 120 is parallel with this first radiant body 110, and this second radiant body 120 is used to transmit one second wireless signal.The 3rd radiant body 130 connects this connector 160, and (X) extend, the 3rd radiant body 130 is used to transmit one the 3rd wireless signal towards a second direction.The 4th radiant body 140 connects this connector 160; And towards this second direction (X) extend, the 3rd radiant body 130 is parallel with the 4th radiant body 140, and the 4th radiant body 140 is used to transmit one the 4th wireless signal; Wherein, this first direction (X) in contrast to this second direction (X).
This connector 160 comprises one first bridge 161, one second bridge 162 and one L shaped 163.This this first radiant body 110 of first bridge, 161 cross-over connections and this second radiant body 120, this second bridge, 162 cross-over connections the 3rd radiant body 130 and the 4th radiant body 140.This second radiant body 120 connects these connector 160, the four radiant bodies 140 through this first bridge 161 and connects this connector 160 through this second bridge 162.This end of L shaped 163 connects this earthing member 150, and this other end of L shaped 163 extends towards this first direction (X).
In this embodiment, the frequency of this first wireless signal is between 5.1GHz～5.8GHz, and the frequency of this second wireless signal is between 3.3GHz～3.5GHz.The frequency of the 3rd wireless signal is about 2.3GHz, and the frequency of the 4th wireless signal is about 2.4GHz.The frequency of this first wireless signal is different from the frequency of this second wireless signal, and the frequency of the 3rd wireless signal is different from the frequency (having two resonant frequency points on two radiant bodies of equidirectional) of the 4th wireless signal.When this first and second wireless signal of this antenna transmission, this first radiant body and the resonance of this second radiant body.When this antenna transmission the 3rd and the 4th wireless signal, the 3rd radiant body and the resonance of the 4th radiant body.Can enlarge the transmission band of this first radiant body and this second radiant body through the resonance between this first radiant body and this second radiant body; Can enlarge the transmission band of the 3rd radiant body and the 4th radiant body through the resonance between the 3rd radiant body and the 4th radiant body, to reach the broadband demand.With reference to Fig. 2, it shows the signal transmission effect (voltage standing wave ratio VSWR) of the antenna 100 of the embodiment of the invention, by knowing that the antenna 100 of the embodiment of the invention has good bandwidth among the figure.
Refer again to Figure 1A, have one first spacing G1 between this first radiant body 110 and this second radiant body 120, this first spacing G1 be about this first wireless signal (relative high frequency) wavelength 1/32.Have one second spacing G2 between the 3rd radiant body 130 and the 4th radiant body 140, this second spacing G2 be about the 4th wireless signal (relative high frequency) wavelength 1/32.
In the above-described embodiments, the frequency of first, second, third and fourth wireless signal (resonant frequency point)) can optionally adjust design.For example, the frequency of the 3rd wireless signal can be about 2.4GHz (resonant bandwidth), and the frequency of the 4th wireless signal can be about 2.5GHz (resonant bandwidth).The frequency of this third and fourth wireless signal can be selected in the frequency range of 2.3GHz～2.8GHz.Just, the frequency of this third and fourth wireless signal is inequality.
In the above-described embodiments, this first radiant body 110 can be positioned on the same plane with the 3rd radiant body 130.This first radiant body 110 is positioned on the Different Plane with this second radiant body 120, and the 3rd radiant body 130 is positioned on the Different Plane with the 4th radiant body 140.
In the above-described embodiments, the length of this first radiant body 110 is about 8～11mm, and the length of this second radiant body 120 is about 11～14mm, and the length of the 3rd radiant body 130 is about 15～18mm, and the length of the 4th radiant body 140 is about 14～17mm.Disclosing of above-mentioned size do not limit the present invention.
In the above embodiment of the present invention,, and enlarge the transmission band of indivedual radiant bodies mainly through the covibration between the radiant body facing each other.In one embodiment, the specific emission band that also can resonate out through the covibration between the radiant body, for example, can resonate out the frequency band of 3.3GHz～3.5GHz of the antenna radiator of 4.85GHz～5.85GHz.
The resonant structure of the embodiment of the invention other antenna structures of also can arranging in pairs or groups use jointly.For example, with reference to Fig. 3, its show the antenna 100 of an alternate embodiment of the present invention ', its characteristics are to omit the 4th radiant body, and merely with the wireless signal of the 3rd radiant body 130 transmission 2.4GHz～2.5GHz frequency ranges.Fig. 3 has shown the example of general antenna (the 3rd radiant body 130) collocation resonant structure (this first radiant body 110 and this second radiant body 120).
Though the present invention with concrete preferred embodiment openly as above; Yet it is not in order to limit the present invention; Any those skilled in the art; Do not breaking away from the spirit and scope of the present invention, still can do a little change and retouching, so the scope person of defining that protection scope of the present invention should be looked appending claims is as the criterion.
Claims (16)
1. antenna, this antenna comprises:
One earthing member;
A connection piece, this connector connects this earthing member;
One first radiant body, this first radiant body connects this connector, and extends towards a first direction, and this first radiant body is used to transmit one first wireless signal;
One second radiant body, this second radiant body connects this connector, and extends towards this first direction; This second radiant body is parallel with this first radiant body; This second radiant body is used to transmit one second wireless signal, and wherein, the frequency of this first wireless signal is different from the frequency of this second wireless signal; When this first and second wireless signal of this antenna transmission, this first radiant body and the resonance of this second radiant body;
One the 3rd radiant body, the 3rd radiant body connects this connector, and extends towards a second direction, and the 3rd radiant body is used to transmit one the 3rd wireless signal; And
One the 4th radiant body, the 4th radiant body connects this connector, and extends towards this second direction; The 3rd radiant body is parallel with the 4th radiant body, and the 4th radiant body is used to transmit one the 4th wireless signal, and the frequency of the 3rd wireless signal is different from the frequency of the 4th wireless signal; Wherein, This first direction is in contrast to this second direction, and when this antenna transmission the 3rd and the 4th wireless signal, the 3rd radiant body and the 4th radiant body resonate.
2. antenna as claimed in claim 1, wherein, this connector comprises a L shaped portion, and this end of L shaped connects this earthing member, and this other end of L shaped extends towards this first direction.
3. antenna as claimed in claim 1; Wherein, This connector comprises one first bridge and one second bridge, this this first radiant body of first bridge cross-over connection and this second radiant body, this second bridge cross-over connection the 3rd radiant body and the 4th radiant body; This second radiant body connects this connector through this first bridge, and the 4th radiant body connects this connector through this second bridge.
4. antenna as claimed in claim 1, wherein, the frequency of this first wireless signal is between 5.1GHz～5.8GHz, and the frequency of this second wireless signal is between 3.3GHz～3.5GHz.
5. antenna as claimed in claim 4 wherein, has one first spacing between this first radiant body and this second radiant body, this first spacing be about this first wireless signal wavelength 1/32.
6. antenna as claimed in claim 4, wherein, the frequency of the 3rd wireless signal is about 2.3GHz, and the frequency of the 4th wireless signal is about 2.4GHz.
7. antenna as claimed in claim 6 wherein, has one second spacing between the 3rd radiant body and the 4th radiant body, this second spacing be about the 4th wireless signal wavelength 1/32.
8. antenna as claimed in claim 6, wherein, this first radiant body and the 3rd radiant body are positioned on the same plane, and this first radiant body and this second radiant body are positioned on the Different Plane.
9. antenna, this antenna comprises:
One earthing member;
A connection piece, this connector connects this earthing member;
One first radiant body, this first radiant body connects this connector, and extends towards a first direction, and this first radiant body is used to transmit one first wireless signal; And
One second radiant body, this second radiant body connects this connector, and extends towards this first direction; This second radiant body is parallel with this first radiant body; This second radiant body is used to transmit one second wireless signal, and wherein, the frequency of this first wireless signal is different from the frequency of this second wireless signal; When this first and second wireless signal of this antenna transmission, this first radiant body and the resonance of this second radiant body.
10. antenna as claimed in claim 9, wherein, the frequency of this first wireless signal is between 5.1GHz～5.8GHz, and the frequency of this second wireless signal is between 3.3GHz～3.5GHz.
11. antenna as claimed in claim 10, this antenna also comprise one the 3rd radiant body, the 3rd radiant body connects this connector, and extends towards a second direction, and the 3rd radiant body is used to transmit one the 3rd wireless signal, and this first direction is in contrast to this second direction.
12. antenna as claimed in claim 11, wherein, the frequency of the 3rd wireless signal is between 2.4GHz～2.5GHz.
13. antenna as claimed in claim 10 wherein, has one first spacing between this first radiant body and this second radiant body, this first spacing be about this first wireless signal wavelength 1/32.
14. antenna as claimed in claim 9, wherein, this connector comprises a L shaped portion, and this end of L shaped connects this earthing member, and this other end of L shaped extends towards this first direction.
15. antenna as claimed in claim 9, wherein, this connector comprises one first bridge, this this first radiant body of first bridge cross-over connection and this second radiant body, and this second radiant body connects this connector through this first bridge.
16. antenna as claimed in claim 9, wherein, this first radiant body and this second radiant body are positioned on the Different Plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010517852XA CN102456942A (en) | 2010-10-25 | 2010-10-25 | Antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010517852XA CN102456942A (en) | 2010-10-25 | 2010-10-25 | Antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102456942A true CN102456942A (en) | 2012-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010517852XA Pending CN102456942A (en) | 2010-10-25 | 2010-10-25 | Antenna |
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| Country | Link |
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| CN (1) | CN102456942A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080231516A1 (en) * | 2007-03-20 | 2008-09-25 | Wistron Neweb Corp. | Multi-frequency antenna and an electric device thereof |
| CN101335375A (en) * | 2007-06-26 | 2008-12-31 | 启碁科技股份有限公司 | Three-frequency antenna and electronic apparatus applying the same |
-
2010
- 2010-10-25 CN CN201010517852XA patent/CN102456942A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080231516A1 (en) * | 2007-03-20 | 2008-09-25 | Wistron Neweb Corp. | Multi-frequency antenna and an electric device thereof |
| CN101335375A (en) * | 2007-06-26 | 2008-12-31 | 启碁科技股份有限公司 | Three-frequency antenna and electronic apparatus applying the same |
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Application publication date: 20120516 |