CN1581579A - Integrated multifrequency antenna for wireless electronic device - Google Patents
Integrated multifrequency antenna for wireless electronic device Download PDFInfo
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- CN1581579A CN1581579A CN 03127515 CN03127515A CN1581579A CN 1581579 A CN1581579 A CN 1581579A CN 03127515 CN03127515 CN 03127515 CN 03127515 A CN03127515 A CN 03127515A CN 1581579 A CN1581579 A CN 1581579A
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- sheet metal
- multifrequency antenna
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Abstract
Disclosed multiple frequency antenna setup inside radio electronic equipment includes parts: a ground sheet metal, connecting sheet metal, first radiation sheet metal and second radiation sheet metal. The ground sheet metal possesses at least a fixed portion in use for fixing the multiple frequency antennas inside radio electronic equipment. The connecting sheet metal is connected to the ground sheet metal, extended from the middle part of the ground sheet metal. Both of first radiation sheet metal and second radiation sheet metal is connected to the connecting sheet metal, and extended along first and second directions, and kept a certain distance to the ground sheet metal in order to generate first resonance mode and second resonance mode. The ground sheet metal provides grounding function without need of connecting to grounding end on radio electronic equipment so as to provide flexibility, stable electrical specification. Features are: multiple frequency operation, high efficiency.
Description
[technical field]
The present invention is about a kind of multifrequency antenna, more specifically, and about a kind of integrated multifrequency antenna that is used for wireless electron device.
[background technology]
Flourish along with wireless communication technique, also like the mushrooms after rain the appearance of the communication product of various multifrequency, therefore also radio communication product becomes a part among the human lives gradually, nearly all new product all can possess the function of wireless transmission, with satisfied popular demand, and notebook computer needs the action of transfer of data often, the puzzlement on wireless transmission can be simplified its many wiring and set, and be the purpose of reaching wireless transmission, arrangement of antennas necessitates.And the notebook computer of a tool wireless transmission function wants to obtain accepting extensively and affirming of market, and the outward appearance of its product, size and usefulness all are very important keys, so it needs good Antenna Design especially and is disposed at suitable position.
The antenna configurations that is used for notebook computer at present, for example United States Patent (USP) the 6th, 339,400B1 number is disclosed, its one or more antennas 11,12 are arranged at a notebook computer 1 screen 10 around, as shown in Figure 1.Yet because the earth terminal of these antenna 11,12 must be connected with the ground connection of screen or its framework, therefore, this antenna configurations commonly used designs, and its installation site is limited, can not flexibly adjust.
Therefore, be necessary to provide the integrated multifrequency antenna of a kind of innovation and tool progressive to be applied to wireless electron device, to address the above problem.
[summary of the invention]
The object of the present invention is to provide a kind of integrated multifrequency antenna that is used for wireless electron device, this integrated multifrequency antenna is arranged in this wireless electron device, and this integrated multifrequency antenna comprises: a grounded metal sheet, connects sheet metal, one first radiation sheet metal and one second radiation sheet metal.This grounded metal sheet has at least one standing part, in order to fix this integrated multifrequency antenna in this wireless electron device.This connection sheet metal is connected to this grounded metal sheet, and is extended by the mid portion of this grounded metal sheet.This first radiation sheet metal is connected to this connection sheet metal, and along a first direction extend and with this grounded metal sheet distance at interval, in order to produce one first resonance mode.This second radiation sheet metal is connected to this connection sheet metal, and along a second direction extend and with this grounded metal sheet distance at interval, in order to produce one second resonance mode.
Integrated aerial system of the present invention is arranged in this wireless electron device, and the grounded metal sheet of this antenna can provide the ground connection effect separately, do not need to be connected with the earth terminal of this wireless electron device, so the installation of this integrated antenna of the present invention can have preferable elasticity, and also can possess stable electrical characteristic.
Integrated antenna of the present invention can multi-band operation, its radiation efficiency height and stability of characteristics.Integrated antenna of the present invention has an auxiliary earth sheet metal in addition, utilizes the bent stacked characteristic of this auxiliary earth sheet metal, meets the customer facility demand and preferable ground connection effect and radiation effect is provided to save the space.Integrated antenna of the present invention has an auxiliary radiation sheet metal in addition, can adjust applying frequency and strengthen its radiation effect.
[description of drawings]
Fig. 1 is arranged at the schematic diagram of notebook computer screen periphery for antenna commonly used;
Fig. 2 A is the schematic diagram that antenna of the present invention is arranged at notebook computer screen casing frame;
Fig. 2 B is the local enlarged diagram that antenna of the present invention is arranged at notebook computer screen casing frame;
Fig. 3 is the structural representation of first embodiment of antenna of the present invention;
Fig. 4 is the structural representation of second embodiment of antenna of the present invention;
Fig. 5 is the structural representation of the 3rd embodiment of antenna of the present invention;
Fig. 6 is the structural perspective of the 4th embodiment of antenna of the present invention;
Fig. 7 is according to the measured voltage standing wave ratio figure of the integrated multifrequency antenna of first embodiment of the invention;
Fig. 8 A is in the measured radiation pattern figure of 2.4GHz according to the integrated multifrequency antenna of first embodiment of the invention; And
Fig. 8 B is in the measured radiation pattern figure of 5GHz according to the integrated multifrequency antenna of first embodiment of the invention.
The explanation of accompanying drawing element numbers
1: notebook computer
10: screen
11,12: antenna
2: notebook computer
21: screen
22: the screen casing frame
23: screw
24: concentric conductor
The antenna of 30: the first embodiment
31: grounded metal sheet
32: connect sheet metal
33: the first radiation sheet metals
34: the second radiation sheet metals
35: load point
36: earth point
37,38: through hole
The antenna of 40: the second embodiment
41: grounded metal sheet
42: connect sheet metal
43: the first radiation sheet metals
44: the second radiation sheet metals
The antenna of 50: the three embodiment
51: grounded metal sheet
52: the auxiliary earth sheet metal
The antenna of 60: the four embodiment
61: grounded metal sheet
62: connect sheet metal
63: the first radiation sheet metals
64: the second radiation sheet metals
65: load point
66: earth point
67: the auxiliary radiation sheet metal
68: concentric conductor
[embodiment]
See also Fig. 2 A and 2B, it describes the configuration structure of an embodiment that the present invention is applied to the integrated multifrequency antenna of a notebook computer 2.The present invention can be applicable to comprise the various wireless electron devices of notebook computer, but is not limited to notebook computer, and general electronic products such as PDA(Personal Digital Assistant) all can utilize integrated multifrequency antenna of the present invention, to reach the purpose of wireless telecommunications.This notebook computer 2 has a screen 21 and a screen casing frame 22, integrated multifrequency antenna 30 of the present invention is arranged at the screen casing frame 22 of this notebook computer 2, and connect the control circuit of these integrated antennas 30 to this notebook computer 2 with spindle guide line together 24, in order to do utilizing this antenna 30 to carry out transfer of data.
With reference to figure 3, the integrated multifrequency antenna 30 of this of first embodiment of the invention comprises: a grounded metal sheet 31, connects sheet metal 32, one first radiation sheet metal 33 and one second radiation sheet metal 34.This grounded metal sheet 31 has at least one standing part, in order to fix this integrated multifrequency antenna 30 to this screen casing frame 22.In the present embodiment, standing part is two through holes 37,38, runs through this grounded metal sheet 31, uses the screen casing frame 22 (shown in Fig. 2 B) that will this integrated multifrequency antenna 30 be fixed in this notebook computer 2 for two-screw 23.
This connection sheet metal 32 of this integrated multifrequency antenna 30 is connected to this grounded metal sheet 31, and is extended by the mid portion of this grounded metal sheet 31, and this connection sheet metal and this grounded metal sheet 31 be rough to be setting parallel to each other.
This first radiation sheet metal 33 is connected to this connection sheet metal 32, and along a first direction F1 extend and with rough setting parallel to each other and the distances at interval of being of this grounded metal sheet 31.This first radiation sheet metal 33 is in order to produce one first resonance mode.This second radiation sheet metal 34 is connected to this connection sheet metal 32, and along a second direction F2 extend and with rough setting parallel to each other and the distances at interval of being of this grounded metal sheet 31.This second radiation sheet metal 34 is in order to produce one second resonance mode.This first direction F1 is opposite with the direction of this second direction F2.
The length of first radiation sheet metal 33 of this in the first embodiment of the invention is less than the length of this second radiation sheet metal 34, so the frequency of this second resonance mode is lower than the frequency of this first resonance mode.Therefore, the integrated multifrequency antenna 30 of the present invention unlimited communication applications of multifrequency that can be used at least one high frequency and at least one low frequency.
This integrated multifrequency antenna 30 comprises a load point 35 and an earth point 36 in addition, this load point 35 is arranged at this connection sheet metal 32, in order to be connected (shown in Fig. 2 B) with a signal end of spindle guide line 24 together, this earth point 35 is arranged at this grounded metal sheet 31, in order to be connected (shown in Fig. 2 B) with an earth terminal of this concentric conductor 24.
With reference to figure 4, the integrated multifrequency antenna 40 of this of second embodiment of the invention comprises: a grounded metal sheet 41, connects sheet metal 42, one first radiation sheet metal 43 and one second radiation sheet metal 44.The difference of the integrated multifrequency antenna 40 of second embodiment of the invention and the integrated multifrequency antenna 30 of first embodiment is: the length of this first radiation sheet metal 43 is greater than the length of this second radiation sheet metal 44, so the frequency of this second resonance mode is higher than the frequency of this first resonance mode.The frequency of this second resonance mode is about 5GHz, and the frequency of this first resonance mode is about 2.4GHz.
With reference to figure 5, it shows this integrated multifrequency antenna 50 of third embodiment of the invention.The difference of the integrated multifrequency antenna 50 of third embodiment of the invention and the integrated multifrequency antenna 30 of first embodiment is: the following auxiliary earth sheet metal 52 of setting up of this grounded metal sheet 51.This auxiliary earth sheet metal 52 can utilize aluminium foil, Copper Foil or other metal material to make, and also available aluminium foil paster or Copper Foil paster utilize its bent stacked characteristic, with the demand of avoiding taking too many space and meeting customer facility.This auxiliary earth sheet metal 52 can provide preferable ground connection effect and radiation effect.
With reference to figure 6, it shows this integrated multifrequency antenna 60 of fourth embodiment of the invention.The integrated multifrequency antenna 60 of this of the 3rd embodiment comprises: a grounded metal sheet 61, connects sheet metal 62, one first radiation sheet metal 63 and one second radiation sheet metal 64.This integrated multifrequency antenna 60 comprises a load point 65 and an earth point 66 in addition, and this load point 65 is arranged at this connection sheet metal 62, in order to be connected with a signal end of spindle guide line 68 together.This earth point 66 is arranged at this grounded metal sheet 61, in order to be connected with an earth terminal of this concentric conductor 68.
Because this concentric conductor 68 causes bad influence for preventing this concentric conductor 68 for the impedance of this first radiation sheet metal 63 through near this first radiation sheet metal 63 of these integrated multifrequency antennas 60, can shorten 63 length to avoid concentric conductor 68.Comprise an auxiliary radiation sheet metal 67 in addition for reaching this integrated multifrequency antenna 60 of this purpose, extend along a third direction F3 from this first radiation sheet metal 63, this third direction F3 is vertical with first direction F1, can adjust applying frequency and strengthen its radiation effect, and can compensate the influence of 68 pairs of impedances of this concentric conductor.
With reference to shown in Figure 7, according to the measured voltage standing wave ratio (VSWR) of the integrated multifrequency antenna of first embodiment of the invention 30, it shows that integrated multifrequency antenna 30 of the present invention can be applicable to the multi-band operation of 2.4GHz and 5GHz.Again with reference to shown in figure 8A and Fig. 8 B, respectively at 2.4GHz and the measured radiation pattern (RadiationPattern) of 5GHz, it is quite good that it shows that integrated multifrequency antenna 30 of the present invention is applied to the radiation effect of 2.4GHz and 5GHz according to the integrated multifrequency antenna 30 of first embodiment of the invention
Integrated aerial system of the present invention is arranged in this wireless electron device, and the grounded metal sheet of this antenna can provide ground connection effect separately, does not need to be connected with the earth terminal of this wireless electron device.So this integrated antenna of the present invention is not subject to the restriction that must be connected with earth terminal, and preferable installation elasticity can be arranged.Also can utilize the auxiliary earth sheet metal in addition, preferable ground connection effect is provided, and possess stable electrical characteristic.
Integrated antenna of the present invention utilizes first radiation sheet metal and second radiation sheet metal producing first resonance mode and second resonance mode, but makes integrated antenna multi-band operation of the present invention, its radiation efficiency height and stability of characteristics.And integrated antenna of the present invention has the auxiliary earth sheet metal in addition, utilizes the bent stacked characteristic of this auxiliary earth sheet metal, to save the space and preferable ground connection effect and radiation effect is provided.Integrated antenna of the present invention utilizes the auxiliary radiation sheet metal in addition, adjusting applying frequency and to strengthen its radiation effect, but and the compensating coaxial lead to the influence of overall impedance, this integrated antenna overall permanence of the present invention is stablized.
But the foregoing description only is explanation principle of the present invention and effect thereof, and unrestricted the present invention.Therefore, person skilled in the art scholar can make amendment to the foregoing description without prejudice to spirit of the present invention and change.The interest field of the present invention scope of claim as described later covers.
Claims (14)
1. integrated multifrequency antenna that is used for wireless electron device, this integrated multifrequency antenna is arranged in this wireless electron device, and this integrated multifrequency antenna comprises:
Grounded metal sheet has at least one standing part, in order to fix this integrated multifrequency antenna in this wireless electron device;
Connect sheet metal, be connected to this grounded metal sheet, and extend by the mid portion of this grounded metal sheet;
First radiation sheet metal is connected to this connection sheet metal, and along a first direction extend and with this grounded metal sheet distance at interval, in order to produce one first resonance mode; And
Second radiation sheet metal is connected to this connection sheet metal, and along a second direction extend and with this grounded metal sheet distance at interval, in order to produce one second resonance mode.
2. integrated multifrequency antenna as claimed in claim 1, wherein this first direction is opposite with the direction of this second direction.
3. integrated multifrequency antenna as claimed in claim 1, wherein the length of this first radiation sheet metal is greater than the length of this second radiation sheet metal, and the frequency of this second resonance mode is higher than the frequency of this first resonance mode.
4. integrated multifrequency antenna as claimed in claim 1, wherein the length of this first radiation sheet metal is less than the length of this second radiation sheet metal, and the frequency of this second resonance mode is lower than the frequency of this first resonance mode.
5. integrated multifrequency antenna as claimed in claim 1, other comprises an auxiliary earth sheet metal, is connected to this grounded metal sheet, in order to suitable ground connection to be provided.
6. integrated multifrequency antenna as claimed in claim 5, wherein this auxiliary earth sheet metal is that bent metal material is made.
7. integrated multifrequency antenna as claimed in claim 6, wherein this auxiliary earth sheet metal is an aluminium foil paster.
8. integrated multifrequency antenna as claimed in claim 6, wherein this auxiliary earth sheet metal is a Copper Foil paster.
9. integrated multifrequency antenna as claimed in claim 1, other comprises a load point and an earth point, and this load point is arranged at this connection sheet metal, in order to be connected with a signal end of spindle guide line together, this earth point is arranged at this grounded metal sheet, in order to be connected with an earth terminal of this concentric conductor.
10. as the integrated multifrequency antenna of the 9th of claim, other comprises an auxiliary radiation sheet metal, and this first radiation sheet metal extends along a third direction certainly, and this third direction is vertical with this first direction.
11. integrated multifrequency antenna as claimed in claim 1, wherein this first radiation sheet metal and this grounded metal sheet are set in parallel.
12. integrated multifrequency antenna as claimed in claim 1, wherein this second radiation sheet metal and this grounded metal sheet are set in parallel.
13. integrated multifrequency antenna as claimed in claim 1, wherein this wireless electron device is a notebook computer.
14. integrated multifrequency antenna as claimed in claim 1, wherein this wireless electron device is a personal digital assistant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03127515 CN1581579A (en) | 2003-08-06 | 2003-08-06 | Integrated multifrequency antenna for wireless electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03127515 CN1581579A (en) | 2003-08-06 | 2003-08-06 | Integrated multifrequency antenna for wireless electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1581579A true CN1581579A (en) | 2005-02-16 |
Family
ID=34578826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03127515 Pending CN1581579A (en) | 2003-08-06 | 2003-08-06 | Integrated multifrequency antenna for wireless electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1581579A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640309B (en) * | 2008-08-01 | 2012-06-27 | 启碁科技股份有限公司 | Plate aerial structure |
| CN101740866B (en) * | 2008-11-27 | 2013-01-02 | 启碁科技股份有限公司 | Multi-frequency antenna for wireless communication device |
| CN112864609A (en) * | 2019-11-28 | 2021-05-28 | 广达电脑股份有限公司 | Antenna structure |
-
2003
- 2003-08-06 CN CN 03127515 patent/CN1581579A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640309B (en) * | 2008-08-01 | 2012-06-27 | 启碁科技股份有限公司 | Plate aerial structure |
| CN101740866B (en) * | 2008-11-27 | 2013-01-02 | 启碁科技股份有限公司 | Multi-frequency antenna for wireless communication device |
| CN112864609A (en) * | 2019-11-28 | 2021-05-28 | 广达电脑股份有限公司 | Antenna structure |
| CN112864609B (en) * | 2019-11-28 | 2023-08-29 | 广达电脑股份有限公司 | antenna structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |