CN101459272B - Integrated antenna used for global microwave access mutual operability and wireless LAN - Google Patents
Integrated antenna used for global microwave access mutual operability and wireless LAN Download PDFInfo
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- CN101459272B CN101459272B CN2007103021245A CN200710302124A CN101459272B CN 101459272 B CN101459272 B CN 101459272B CN 2007103021245 A CN2007103021245 A CN 2007103021245A CN 200710302124 A CN200710302124 A CN 200710302124A CN 101459272 B CN101459272 B CN 101459272B
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Abstract
The invention relates to an integrated antenna for world interoperability for microwave access (WiMax) and wireless local area networks (WLAN), which includes a substrate, a grounding metal plate, a first radiating metal plate and a second radiating metal plate. The first radiating metal plate is located on the substrate, the first radiating metal plate is not connected to the grounding metal plate, two ends of the first radiating metal plate are respectively provided with a first portion and a second portion which are used for respectively generating a first resonance and a second resonance, the second radiating metal plate located on the substrate is connected to the grounding metal plate, the first radiating metal plate is not connected to the first radiating metal plate, and the second radiating metal plate and the first rounding metal plate are coupled to generate a third resonance. Therefore, the integrated antenna can be used for the world interoperability for microwave access (WiMax) and the local area networks.
Description
Technical field
The present invention relates to a kind of antenna for wireless network, relate in particular a kind of integrated-type antenna for World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN).
Background technology
Flourish along with wireless communication technology, the communication products of various multifrequency also occur like the mushrooms after rain, therefore also wireless communications products becomes a part among the human lives gradually, nearly all new product all can possess the function of wireless transmission, (for example: the often action of needs data transmission of notebook or mobile multimedia device) to satisfy popular demand, wireless transmission can be simplified its many wiring and the puzzlement that arranges, and be the purpose of reaching wireless transmission, wireless transmission antenna be configured as necessity.
Yet, at present the antenna great majority of wireless communications products (WLAN) commonly used can only single frequency operation in 2.4GHz frequency band or dual frequency operation (satisfy 2.4 and 5GHz frequency band), can't contain the required frequency of present World Interoperability for Microwave Access, WiMax (WiMax) (2.5GHz and 3.5GHz) and the required frequency of WLAN (wireless local area network) (WLAN) fully.
Therefore, be necessary to provide the integrated-type antenna that can be used for simultaneously World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN) of a kind of innovation and tool progressive, to address the above problem.
Summary of the invention
The invention provides a kind of integrated-type antenna for World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN), it comprises substrate, grounded metal sheet, the first radiation sheet metal and the second radiation sheet metal.Described substrate has first surface.Described the first radiation sheet metal is positioned on the first surface of described substrate, described the first radiation sheet metal does not connect described grounded metal sheet, the two ends of described the first radiation sheet metal have respectively first and second portion, described first is in order to produce the first resonance, and described second portion is in order to produce the second resonance.Described the second radiation sheet metal is positioned on the first surface of described substrate, and be connected to described grounded metal sheet, described the second radiation sheet metal does not connect described the first radiation sheet metal, and described the second radiation sheet metal and described the first radiation sheet metal are coupled to produce the 3rd resonance.
Whereby, integrated-type antenna of the present invention can be used for the frequency (2.5GHz and 3.5GHz) of World Interoperability for Microwave Access, WiMax (WiMax) and the frequency of WLAN (wireless local area network) (WLAN) simultaneously.Moreover the present invention utilizes described substrate as medium, and it has the function of frequency reducing.In addition, integrated-type antenna of the present invention is plate-like structure, can save in a large number assembling space.
Description of drawings
Fig. 1 shows that antenna of the present invention is arranged at the schematic diagram on the notebook computer screen casing frame;
Fig. 2 shows that antenna of the present invention is arranged at the local enlarged diagram on the notebook computer screen casing frame;
Fig. 3 shows that the present invention is used for the schematic diagram of the first embodiment of the integrated-type antenna of World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN);
Fig. 4 shows that the present invention is used for the schematic diagram of the second embodiment of the integrated-type antenna of World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN);
Fig. 5 shows that the present invention is used for the schematic diagram of the 3rd embodiment of the integrated-type antenna of World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN);
Fig. 6 shows that the present invention is used for the schematic diagram of the 4th embodiment of the integrated-type antenna of World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN); And
Fig. 7 shows that the present invention is used for the schematic diagram of the 5th embodiment of the integrated-type antenna of World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN).
Embodiment
Please refer to Fig. 1 and 2, show that respectively antenna of the present invention is arranged at schematic diagram and the local enlarged diagram on the notebook computer screen casing frame.Antenna of the present invention can be used for various wireless electron devices, include, but is not limited to notebook, other all can utilize integrated-type antenna of the present invention such as electronic products such as general personal digital assistants (PDA), to reach the purpose of radio communication.Described notebook 1 has screen 11 and screen casing frame 12, integrated-type antenna 2 of the present invention is (take the first embodiment as example, be arranged on the screen casing frame 12 of described notebook 1 as shown in Figure 3), and with coaxial line 29 described integrated-type antenna 2 is connected to the control circuit of described notebook 1, thereby utilize described integrated-type antenna 2 to carry out data transmission.
Described integrated-type antenna 2 has at least one connected structure, in order to described integrated-type antenna 2 is fixed to described screen casing frame 12.In the present embodiment, described connected structure is adhesive-layer (not shown), and it is positioned at the back side of described integrated-type antenna 2, in order to described integrated-type antenna 2 is pasted on the described screen casing frame 12.
With reference to figure 3, show that the present invention is for the schematic diagram of the first embodiment of the integrated-type antenna of World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN).Described integrated-type antenna 2 comprises substrate 20, grounded metal sheet 21, the first radiation sheet metal 22 and the second radiation sheet metal 23.Described substrate 20 has first surface 201.The material of described substrate 20 is selected from the group that is comprised of plastics, sponge, pottery, FR-4, printed circuit board (PCB) and flexible printed wiring board.Preferably, the dielectric constant of described substrate 20 is higher than described the first radiation sheet metal 22 and described the second radiation sheet metal 23, and has the function of frequency reducing.
Described grounded metal sheet 21 is in order to ground connection.In the present embodiment, further comprise auxiliary earth sheet metal 24, fit in described grounded metal sheet 21.Described auxiliary earth sheet metal 24 can be the aluminium foil material.
Described the first radiation sheet metal 22 is positioned on the first surface 201 of described substrate 20.Described the first radiation sheet metal 22 does not connect described grounded metal sheet 21, and does not connect described the second radiation sheet metal 23 yet.The two ends of described the first radiation sheet metal 22 have respectively first 25 and second portion 26, and described first 25 is in order to produce the first resonance, and described second portion 26 is in order to produce the second resonance.
The length of described first 25 is less than the length of described second portion 26, so the frequency of described the first resonance is higher than the frequency of described the second resonance.Described first resonance frequency be 4.9GHz to 6GHz, described second resonance frequency be that 3.3GHz is to 3.9GHz.
In the present embodiment, described the first radiation sheet metal 22 has opening 221, to distinguish described first 25 and described second portion 26.Described first 25 is square, and it has the first extension 251, extends towards first direction (right side among the figure).Described second portion 26 has first end 261 and the second end 262, and described first end 261 connects described first 25.The width of described the second end 262 is greater than the width of described first end 261.Described the second end 262 is square, and it has the second end face 2621.
Described the second radiation sheet metal 23 is positioned on the first surface 201 of described substrate 20, and is connected to described grounded metal sheet 21.Described the second radiation sheet metal 23 does not connect described the first radiation sheet metal 22, and described the second radiation sheet metal 23 is in order to be coupled to produce the 3rd resonance with described the first radiation sheet metal 22.The frequency of described the 3rd resonance be 2.3GHz to 2.7GHz, it is applicable to the frequency of World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN) 2.4GHz.
In the present embodiment, described the second radiation sheet metal 23 has the 3rd end 231 and the 4th end 232, and described the 3rd end 231 connects described grounded metal sheet 21.Described the 4th end 232 is vertical with described the 3rd end 231, and described the 4th end 232 has the 4th end face 2321.Described the 4th end face 2321 is in the face of described second end face 2621 of described the second end 262, and first spacing of being separated by.
In the present embodiment, the first end 261 of the described second portion 26 of described the first radiation sheet metal 22 further comprises load point 27, described grounded metal sheet 21 further comprises earth point 28, and described load point 27 and described earth point 28 are in order to be electrically connected with the signal end of coaxial line 29 and earth terminal respectively.
In the present embodiment, described the first radiation sheet metal 22 and described the second radiation sheet metal 23 fit in the first surface 201 of described substrate 20.
Therefore, integrated-type antenna 2 of the present invention can be used for the frequency (2.5GHz and 3.5GHz) of World Interoperability for Microwave Access, WiMax (WiMax) and the frequency (2.4GHz or 5GHz) of WLAN (wireless local area network) (WLAN) simultaneously.Moreover the present invention utilizes described substrate 20 as medium, and it has the function of frequency reducing.In addition, integrated-type antenna 2 of the present invention is plate-like structure, can save in a large number assembling space.
With reference to figure 4, show that the present invention is for the schematic diagram of the second embodiment of the integrated-type antenna of World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN).Described integrated-type antenna 3 comprises substrate 30, grounded metal sheet 31, the first radiation sheet metal 32 and the second radiation sheet metal 33.The two ends of described the first radiation sheet metal 32 have respectively first 35 and second portion 36.Described second portion 36 has first end 361 and the second end 362.Described the second end 362 is square, and it has the second end face 3621.Described the second radiation sheet metal 33 has the 3rd end 331 and the 4th end 332, and described the 4th end 332 has the 4th end face 3321.
The integrated-type antenna 3 of present embodiment is with the difference of the integrated-type antenna 2 (Fig. 3) of described the first embodiment, described the second end 362 has the second extension 363, extend towards first direction (right side among the figure), and in the face of described the 4th end face 3321.Described the 4th end 332 has the 3rd extension 333, extend towards second direction (left side among the figure), and in the face of described the second end face 3621, described second direction is relative with described first direction.Described the second extension 363 is parallel with described the 3rd extension 333, and second spacing of being separated by.In the present embodiment, described the second extension 363 is positioned at the below of described the 3rd extension 333.Described the second spacing is that 0.1mm is to 5mm.
With reference to figure 5, show that the present invention is for the schematic diagram of the 3rd embodiment of the integrated-type antenna of World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN).The integrated-type antenna 4 of present embodiment is roughly the same with the integrated-type antenna 3 (Fig. 4) of described the second embodiment, its difference only is, in the present embodiment, the second end face 4621 of the second end 462 is the inclined-plane, that is to say non-90 degree of angle of described the second end face 4621 and the second extension 463.Described inclined-plane (the second end face 4621) is in the face of the 3rd extension 433.
With reference to figure 6, show that the present invention is for the schematic diagram of the 4th embodiment of the integrated-type antenna of World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN).The integrated-type antenna 5 of present embodiment is roughly the same with the integrated-type antenna 3 (Fig. 4) of described the second embodiment, and its difference only is that in the present embodiment, the second extension 563 is positioned at the top of the 3rd extension 533.
With reference to figure 7, show that the present invention is for the schematic diagram of the 5th embodiment of the integrated-type antenna of World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN).The integrated-type antenna 6 of present embodiment is roughly the same with the integrated-type antenna 5 (Fig. 6) of described the 4th embodiment, its difference only is, the second end face 6621 of the second end 662 is the inclined-plane, that is to say non-90 degree of angle of described the second end face 6621 and the second extension 663.Described inclined-plane (the second end face 6621) is in the face of the 3rd extension 633.
Yet above-described embodiment only is explanation principle of the present invention and effect thereof, but not in order to limit the present invention.Therefore, the those skilled in the art can make amendment to above-described embodiment in the situation that does not break away from spirit of the present invention and change.Interest field of the present invention should be listed such as appended claims.
Claims (25)
1. integrated-type antenna that is used for World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN), it comprises:
Substrate has first surface;
Grounded metal sheet;
The first radiation sheet metal, it is positioned on the first surface of described substrate, described the first radiation sheet metal does not connect described grounded metal sheet, the two ends of described the first radiation sheet metal have respectively first and second portion, described first is in order to produce the first resonance, and described second portion is in order to produce the second resonance; And
The second radiation sheet metal, it is positioned on the first surface of described substrate, and be connected to described grounded metal sheet, described the second radiation sheet metal is free of attachment to described the first radiation sheet metal, and described the second radiation sheet metal and described the first radiation sheet metal are coupled to produce the 3rd resonance;
The second portion of described the first radiation sheet metal has first end and the second end, described first end connects described first, wherein said the second end has the second end face, described the second radiation sheet metal has the 3rd end and the 4th end, described the 3rd end connects described grounded metal sheet, and described the 4th end is vertical with described the 3rd end, and described the 4th end has the 4th end face, described the second end face is in the face of described the 4th end face, and first spacing of being separated by;
Described the first radiation sheet metal further comprises load point, and described grounded metal sheet further comprises earth point, and described load point and described earth point are in order to be electrically connected with the signal end of coaxial line and earth terminal respectively.
2. integrated-type antenna according to claim 1, wherein the material of substrate is selected from the group that is comprised of plastics, sponge, pottery, FR-4, printed circuit board (PCB) and flexible printed wiring board.
3. integrated-type antenna according to claim 1, wherein the dielectric constant of substrate is higher than described the first radiation sheet metal and described the second radiation sheet metal.
4. integrated-type antenna according to claim 1, wherein said the first radiation sheet metal and described the second radiation sheet metal fit in the first surface of described substrate.
5. integrated-type antenna according to claim 1, the frequency of wherein said the first resonance be 4.9GHz to 6GHz, the frequency of described the second resonance be 3.3GHz to 3.9GHz, the frequency of described the 3rd resonance is that 2.3GHz is to 2.7GHz.
6. integrated-type antenna according to claim 1, it further comprises the auxiliary earth sheet metal, the described auxiliary earth sheet metal described grounded metal sheet of fitting.
7. integrated-type antenna according to claim 1, wherein said the first radiation sheet metal has opening, to distinguish described first and described second portion.
8. integrated-type antenna according to claim 1, wherein said first is square.
9. integrated-type antenna according to claim 1, wherein said first further has the first extension, extends towards first direction.
10. integrated-type antenna according to claim 1, the length of wherein said first is less than the length of described second portion.
11. integrated-type antenna according to claim 1, the width of wherein said the second end is greater than the width of described first end.
12. integrated-type antenna according to claim 1, wherein said the second end is square.
13. an integrated-type antenna that is used for World Interoperability for Microwave Access, WiMax (WiMax) and WLAN (wireless local area network) (WLAN), it comprises:
Substrate has first surface;
Grounded metal sheet;
The first radiation sheet metal, it is positioned on the first surface of described substrate, described the first radiation sheet metal does not connect described grounded metal sheet, the two ends of described the first radiation sheet metal have respectively first and second portion, described first is in order to produce the first resonance, and described second portion is in order to produce the second resonance; And
The second radiation sheet metal, it is positioned on the first surface of described substrate, and be connected to described grounded metal sheet, described the second radiation sheet metal is free of attachment to described the first radiation sheet metal, and described the second radiation sheet metal and described the first radiation sheet metal are coupled to produce the 3rd resonance;
The second portion of described the first radiation sheet metal has first end and the second end, described first end connects described first, described the second end has the second extension, extend towards first direction, described the second radiation sheet metal has the 3rd end and the 4th end, described the 3rd end connects described grounded metal sheet, described the 4th end is vertical with described the 3rd end, described the 4th end has the 3rd extension, extend towards second direction, described second direction is relative with described first direction, and described the second extension is parallel with described the 3rd extension, and second spacing of being separated by;
Described the first radiation sheet metal further comprises load point, and described grounded metal sheet further comprises earth point, and described load point and described earth point are in order to be electrically connected with the signal end of coaxial line and earth terminal respectively.
14. integrated-type antenna according to claim 13, wherein said the second extending part is in the top of described the 3rd extension.
15. integrated-type antenna according to claim 13, wherein said the second extending part is in the below of described the 3rd extension.
16. integrated-type antenna according to claim 13, wherein said the second end further has the inclined-plane, and described inclined-plane is in the face of described the 3rd extension.
17. integrated-type antenna according to claim 13, wherein the material of substrate is selected from the group that is comprised of plastics, sponge, pottery, FR-4, printed circuit board (PCB) and flexible printed wiring board.
18. integrated-type antenna according to claim 13, wherein the dielectric constant of substrate is higher than described the first radiation sheet metal and described the second radiation sheet metal.
19. integrated-type antenna according to claim 13, wherein said the first radiation sheet metal and described the second radiation sheet metal fit in the first surface of described substrate.
20. integrated-type antenna according to claim 13, wherein said first resonance frequency be 4.9GHz to 6GHz, described second resonance frequency be 3.3GHz to 3.9GHz, described the 3rd resonance frequency be that 2.3GHz is to 2.7GHz.
21. integrated-type antenna according to claim 13, it further comprises the auxiliary earth sheet metal, the described auxiliary earth sheet metal described grounded metal sheet of fitting.
22. integrated-type antenna according to claim 13, wherein said the first radiation sheet metal has opening, to distinguish described first and described second portion.
23. integrated-type antenna according to claim 13, wherein said first is square.
24. integrated-type antenna according to claim 13, wherein said first further has the first extension, extends towards first direction.
25. integrated-type antenna according to claim 13, the length of wherein said first is less than the length of described second portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103021245A CN101459272B (en) | 2007-12-14 | 2007-12-14 | Integrated antenna used for global microwave access mutual operability and wireless LAN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103021245A CN101459272B (en) | 2007-12-14 | 2007-12-14 | Integrated antenna used for global microwave access mutual operability and wireless LAN |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101459272A CN101459272A (en) | 2009-06-17 |
| CN101459272B true CN101459272B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007103021245A Expired - Fee Related CN101459272B (en) | 2007-12-14 | 2007-12-14 | Integrated antenna used for global microwave access mutual operability and wireless LAN |
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| CN (1) | CN101459272B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409437A (en) * | 2001-09-19 | 2003-04-09 | 诺基亚有限公司 | Internal multiple frequency band antenna |
| TW200304249A (en) * | 2002-03-14 | 2003-09-16 | Sony Ericsson Mobile Comm Ab | Flat built-in radio antenna |
| CN1549394A (en) * | 2003-05-09 | 2004-11-24 | 国巨股份有限公司 | Integral multi-frequency antenna used for notebook computer |
| CN1812193A (en) * | 2005-01-25 | 2006-08-02 | 连展科技（深圳）有限公司 | Inverted-F antenna with double-branch, short-circuit structure |
-
2007
- 2007-12-14 CN CN2007103021245A patent/CN101459272B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409437A (en) * | 2001-09-19 | 2003-04-09 | 诺基亚有限公司 | Internal multiple frequency band antenna |
| TW200304249A (en) * | 2002-03-14 | 2003-09-16 | Sony Ericsson Mobile Comm Ab | Flat built-in radio antenna |
| CN1549394A (en) * | 2003-05-09 | 2004-11-24 | 国巨股份有限公司 | Integral multi-frequency antenna used for notebook computer |
| CN1812193A (en) * | 2005-01-25 | 2006-08-02 | 连展科技（深圳）有限公司 | Inverted-F antenna with double-branch, short-circuit structure |
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| Publication number | Publication date |
|---|---|
| CN101459272A (en) | 2009-06-17 |
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