CN1925218B - Multiple frequency antanna - Google Patents
Multiple frequency antanna Download PDFInfo
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- CN1925218B CN1925218B CN2005100942210A CN200510094221A CN1925218B CN 1925218 B CN1925218 B CN 1925218B CN 2005100942210 A CN2005100942210 A CN 2005100942210A CN 200510094221 A CN200510094221 A CN 200510094221A CN 1925218 B CN1925218 B CN 1925218B
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- radiation
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- arm
- grounding parts
- multifrequency antenna
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Abstract
This invention discloses one multi-frequency antenna used in pad computer, which comprises irradiation part, earth part and connection part, wherein, the said irradiation part comprises first part in 900MHz band and second irradiation part in1800MHz band on different planes and the said earth part comprises host part and down extension part.
Description
[technical field]
The invention relates to a kind of antenna, refer in particular to a kind of multifrequency antenna that is applied in the mobile electronic equipments such as notebook computer.
[background technology]
Along with making rapid progress of modern communication technology, increasing mobile electronic equipment such as notebook computer etc. all are equipped with antenna, so that it can insert a wireless lan (wlan) job.At present, WLAN is mostly based on bluetooth (Bluetooth) technical standard or IEEE802.11 series standard.The working band of antenna falls within 2.4GHz in the Bluetooth technology standard, and the working band of antenna falls within 2.4GHz and 5GHz respectively in the IEEE802.11 series technique standard.Therefore, the antenna in the present notebook computer is the antenna that is applied to above-mentioned frequency band mostly.
Yet; Following mobile electronic equipment will be not content with and only insert one and can not move that (the signal maximum transmission distance has only 10 meters in the Bluetooth technology; The electronic equipment that allow to insert this system hardly moves) or the WLAN of moving range very little (signal transmission ultimate range also has only 150 meters in the IEEE802.11 series standard, only limits to moving between the office).It is the target that pursue the communications field that mobile electronic equipment is inserted wireless wide area network (WWAN).The mobile electronic equipment that inserts WWAN can wider mobile office, amusement.The WWAN in the whole world mainly adopts two big technology at present---and be respectively GSM and CDMA technology.And to make mobile electronic equipment such as notebook computer can insert the GSM network, the antenna of using in the notebook computer just must be able to work in the frequency band of GSM network work, i.e. 900/1800MHz.Yet at present the antenna of laptop computer applications works in 2.4GHz and 5GHz frequency band mostly, and the used antenna of mobile phone that can insert the GSM network places notebook computer because of factors such as size or power are inappropriate for mostly.Chinese patent is announced CN2689482Y number and has been disclosed a kind of three frequency inverse-F antennas; This antenna has three Departments of Radiation; It works in 1800MHz, 900MHz and 2450MHz frequency band respectively, can insert in the electronic equipments such as notebook computer so that it can insert the GSM network work.Yet above-mentioned inverse-F antenna takes up space bigger, incompatibility antenna miniaturization Development Trend, and be inappropriate for conveniently being installed in the notebook computer and work.
Therefore, be necessary such antenna is improved, to address the aforementioned drawbacks.
[summary of the invention]
The object of the present invention is to provide a kind of size less and be easy to be installed on the multifrequency antenna in the electronic equipment such as notebook computer.
For realizing above-mentioned purpose; The present invention adopts following technical scheme: a kind of multifrequency antenna; Be applied in the mobile electronic equipment, it comprises Department of Radiation, grounding parts and the connecting portion that connects Department of Radiation and grounding parts, and wherein said Department of Radiation comprises first Department of Radiation that works in the 900MHz frequency band and second Department of Radiation that works in the 1800MHz frequency band; Said first Department of Radiation, second Department of Radiation and grounding parts are positioned at Different Plane respectively; Said multifrequency antenna roughly is the lengthwise configuration at longitudinally, and plane, said first Department of Radiation place is vertical with grounding parts, and plane, said second Department of Radiation place is vertical with first Department of Radiation; Said first Department of Radiation and second Department of Radiation have shared shared radiation arm; Said first Department of Radiation also comprises first radiation arm, and said second Department of Radiation also comprises second radiation arm, and said first radiation arm and second radiation arm all extend to an end of said longitudinally.
For realizing above-mentioned purpose; The present invention also can adopt following technical scheme: a kind of multifrequency antenna; It roughly is the lengthwise configuration at longitudinally; And processed by metal plate, it comprises Department of Radiation, grounding parts and is connected grounding parts and the connecting portion of Department of Radiation that said Department of Radiation comprises first Department of Radiation that works in the 900MHz frequency band and second Department of Radiation that works in the 1800MHz frequency band; At least two are positioned at Different Plane in wherein said first Department of Radiation, second Department of Radiation and the grounding parts; The shared one section shared radiation arm of first Department of Radiation and second Department of Radiation, and this shared radiation arm is positioned at said antenna in the contiguous corner of an end of said longitudinally, and first Department of Radiation also comprises first radiation arm that is connected with shared radiation arm; Second Department of Radiation also comprises second radiation arm that is connected with said shared radiation arm, and said first radiation arm and the said second radiation arm end all extend to the other end of said longitudinally.
Compared with prior art, multifrequency antenna of the present invention takes up space less, is adapted to the antenna miniaturization Development Trend, and multifrequency antenna of the present invention is fit to and is easily installed in the electronic equipment such as notebook computer.
[description of drawings]
Fig. 1 is the three-dimensional view of multifrequency antenna of the present invention.
Fig. 2 is the three-dimensional view of another angle of multifrequency antenna of the present invention.
Fig. 3 is the front view (feeder line is not installed) of multifrequency antenna of the present invention shown in Figure 1.
Fig. 4 is the rearview (feeder line is not installed) of multifrequency antenna of the present invention shown in Figure 1.
Fig. 5 is the electromagnetic radiation field pattern of multifrequency antenna of the present invention X-Y horizontal polarization when being operated in the 900MHz frequency.
Fig. 6 is the electromagnetic radiation field pattern of multifrequency antenna of the present invention X-Y perpendicular polarization when being operated in the 900MHz frequency.
Fig. 7 is the electromagnetic radiation field pattern of multifrequency antenna of the present invention X-Y horizontal polarization when being operated in the 1800MHz frequency.
Fig. 8 is the electromagnetic radiation field pattern of multifrequency antenna of the present invention X-Y perpendicular polarization when being operated in the 1800MHz frequency.
Fig. 9 is voltage standing wave ratio (Voltage Standing Wave Radio, the VSWR) resolution chart of multifrequency antenna of the present invention.
[embodiment]
See also Fig. 1 to shown in Figure 4; Multifrequency antenna 1 of the present invention is based on the improvement of planar inverted F-shape antenna, and it is assembled in the electronic equipment such as notebook computer in order to receive or to transmit, in the present embodiment; Multifrequency antenna of the present invention is reversed F-typed dual-band antenna; It roughly is the lengthwise configuration at longitudinally, and is processed by metal plate, and this electronic equipment is notebook computer (not shown) in this execution mode.Multifrequency antenna 1 comprises Department of Radiation 2, grounding parts 4, feedback point 5 and connects the connecting portion 3 of Department of Radiation 2 and grounding parts 4.
Department of Radiation 2 comprises that first Department of Radiation 21 reaches second Department of Radiation 22 that is positioned at Different Plane with first Department of Radiation 21, and wherein, first Department of Radiation 21 is low frequency radiation portions, and second Department of Radiation 22 is high-frequency radiation part.First Department of Radiation 21 comprises shared radiation arm 20 and comprises shared radiation arm 20 and second radiation arm 220 that extends from shared radiation arm 20 from first radiation arm, 210, the second Departments of Radiation 22 that shared radiation arm 20 extends.Said first radiation arm 210 and second radiation arm, 220 ends all extend to an end of said longitudinally, rationally utilized the locus, have reduced the occupied space of multifrequency antenna 1.
Grounding parts 4 comprise rectangular body portion 40 with autonomous body 40 1 sides perpendicular to main part 40 to the extension that extends below 41.The extension 411 that extension 41 has the vertical component effect 410 that links to each other with main part 40 and extends to an end of longitudinally from vertical component effect 410 and main part 40 junctions.Connecting portion 3 is positioned at same plane and autonomous body 40 opposite sides and extension 411 with main part 40 and extends along equidirectional.Be formed with a slit 6 between connecting portion 3 and the extension 411.
Shared radiation arm 20 is positioned at the contiguous corner of the other end of said longitudinally, it comprise is connected with connecting portion 3 and along first side 201 that connecting portion 3 bearing of trends extend, and first side 201 is positioned at same plane and perpendicular to 201 outward extending second sides 202, first side with perpendicular to second side 202 upwardly extending the 3rd sides 203.First radiation arm 210 extends from the main part 40 place directions of the 3rd side 203 terminal side direction grounding parts 4.Second radiation arm 220 comprises first side arm 221 that extends with first radiation arm, 210 rightabouts from the 3rd side 203 terminal opposite side edges; From upwardly extending second side arm 222 of first side arm, 221 upper end; From second side arm, 222 ends perpendicular to second side arm 222 and the main part 40 that is parallel to grounding parts 4 to the 3rd side arm 223 that extends near extension 41 directions of grounding parts 4 and from the 3rd side arm 223 ends perpendicular to the 3rd side arm 223 and the main part 40 that is parallel to grounding parts 4 to the 4th side arm 224 that extends near main part 40 directions.First Department of Radiation 21 constitutes first width of cloth antenna with connecting portion 3, grounding parts 4, is used for receiving or launching low frequency signals, and it works in 900MHz frequency band (is centre frequency with 900MHz); Second Department of Radiation 22 constitutes second width of cloth antenna with connecting portion 3, grounding parts 4, is used for receiving or launching higher frequency signals, and it works in 1800MHz frequency band (is centre frequency with 1800MHz).
The width through regulating slit 6 and the position of feedback point 5 can make the HFS of second Department of Radiation 22 reach the emission band of broad and radiation effect preferably.
Feeder line 6 is connected from 5 extensions of feedback point and with the extension 41 of grounding parts 4.Feeder line 6 comprises inner wire 61, the inner insulating layer 63 that coats inner wire 61 that is welded in feedback point 5, the insulating outer layer 63 that is welded in the wire sheathing 62 and the clad metal braid 62 of grounding parts 4.
Multifrequency antenna 1 global shape of the present invention is electronic equipment internal structural designs such as combination notebook computer; First Department of Radiation 21, second Department of Radiation 22, grounding parts 4 lay respectively at Different Plane; And the plane, main part 40 place of the first Department of Radiation plane, 21 place and grounding parts 4 is perpendicular, and second Department of Radiation, 22 terminal planes, place and plane, first Department of Radiation, 21 place are perpendicular.In three-dimensional scope, dwindled the occupied space of multifrequency antenna 1 as far as possible, so multifrequency antenna of the present invention 1 is fit to and is easily installed in electronic equipment internal such as notebook computer.
Fig. 5 packs into to the present invention of being shown in Figure 8 after the notebook computer; When operating frequency is 900MHz and 1800MHz respectively and level on the X-Y plane and perpendicular polarization electromagnetic radiation field pattern; Can know that by test result the average gain of multifrequency antenna 1 all can meet the demands under two kinds of operating frequencies.
See also shown in Figure 9; The voltage standing wave(VSW) ratio of multifrequency antenna 1 of the present invention is working between 880-940MHz and the 1620-2180MHz all less than 2; Showing promptly that multifrequency antenna 1 of the present invention has both can be operated in higher frequency band and also can be operated in lower frequency band and cover the low-frequency range (880-960MHz) of GSM network basically and cover the high band (1710-1880MHz) of GSM network fully, can realize wide band characteristic when being operated in higher frequency band simultaneously.
Claims (10)
1. multifrequency antenna; Be applied in the mobile electronic equipment; It comprises Department of Radiation, grounding parts and the connecting portion that connects Department of Radiation and grounding parts; It is characterized in that: said Department of Radiation comprises first Department of Radiation that works in the 900MHz frequency band and second Department of Radiation that works in the 1800MHz frequency band, and said first Department of Radiation, second Department of Radiation and grounding parts are positioned at Different Plane respectively, and said multifrequency antenna roughly is the lengthwise configuration at longitudinally; Plane, said first Department of Radiation place is vertical with grounding parts, and plane, said second Department of Radiation place is vertical with first Department of Radiation.
2. multifrequency antenna as claimed in claim 1; It is characterized in that: said grounding parts comprise rectangular body portion with autonomous body one side perpendicular to main part to the extension that extends below, said extension has the vertical component effect that links to each other with main part and from the extension of vertical component effect extension.
3. multifrequency antenna as claimed in claim 2 is characterized in that: the body section of said connecting portion and grounding parts in same plane and autonomous body opposite side and said extension extend along equidirectional.
4. multifrequency antenna as claimed in claim 1 is characterized in that: said first Department of Radiation and second Department of Radiation have shared shared radiation arm.
5. multifrequency antenna as claimed in claim 4 is characterized in that: said shared radiation arm comprises and is connected with connecting portion and is positioned at same plane along first side that the connecting portion bearing of trend extends, with the first side and perpendicular to outward extending second side, first side with perpendicular to upwardly extending the 3rd side in second side.
6. multifrequency antenna as claimed in claim 5 is characterized in that: said first Department of Radiation also comprises first radiation arm, and it is from the direction extension of the main part place of the terminal side direction grounding parts of the 3rd side.
7. multifrequency antenna as claimed in claim 5; It is characterized in that: said second Department of Radiation also comprises second radiation arm, this second radiation arm have first side arm that extends with the first radiation arm rightabout from the terminal opposite side of the 3rd side edge, from upwardly extending second side arm of the first side arm upper end, from the second side arm end perpendicular to second side arm and the main part that is parallel to grounding parts to the 3rd side arm that extends near the extension direction of grounding parts and from the 3rd side arm end perpendicular to the 3rd side and the main part that is parallel to grounding parts to the 4th side arm that extends near the main part direction.
8. multifrequency antenna as claimed in claim 3 is characterized in that: be formed with slit between said connecting portion and the said extension.
9. multifrequency antenna; It roughly is the lengthwise configuration at longitudinally; And process by metal plate; It comprises Department of Radiation, grounding parts and is connected grounding parts and the connecting portion of Department of Radiation; Said Department of Radiation comprises first Department of Radiation that works in relative low-frequency band and second Department of Radiation that works in the relative high frequency frequency band, and it is characterized in that: at least two are positioned at Different Plane in said first Department of Radiation, second Department of Radiation and the grounding parts, the shared one section shared radiation arm of first Department of Radiation and second Department of Radiation; And this shared radiation arm is positioned at said antenna in the contiguous corner of an end of said longitudinally; First Department of Radiation also comprises first radiation arm that is connected with shared radiation arm, and second Department of Radiation also comprises second radiation arm that is connected with said shared radiation arm, and said first radiation arm and the said second radiation arm end all extend to the other end of said longitudinally.
10. multifrequency antenna as claimed in claim 9; It is characterized in that: the electrical path length between the free terminal of said first Department of Radiation and feedback point is longer than the free terminal and the electrical path length between the feedback point of second Department of Radiation, and longer than the length of said multifrequency antenna on longitudinally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100942210A CN1925218B (en) | 2005-08-31 | 2005-08-31 | Multiple frequency antanna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100942210A CN1925218B (en) | 2005-08-31 | 2005-08-31 | Multiple frequency antanna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1925218A CN1925218A (en) | 2007-03-07 |
| CN1925218B true CN1925218B (en) | 2012-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100942210A Expired - Fee Related CN1925218B (en) | 2005-08-31 | 2005-08-31 | Multiple frequency antanna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1925218B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369683B (en) * | 2007-08-15 | 2012-07-04 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| CN101431174B (en) * | 2007-11-09 | 2013-01-23 | 富士康(昆山)电脑接插件有限公司 | Antenna assembly |
| CN102340058B (en) * | 2010-07-21 | 2015-11-25 | 神讯电脑(昆山)有限公司 | Antenna structure |
Citations (2)
| 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 |
| CN2718806Y (en) * | 2004-03-29 | 2005-08-17 | 富士康(昆山)电脑接插件有限公司 | Multifrequency antenna |
-
2005
- 2005-08-31 CN CN2005100942210A patent/CN1925218B/en not_active Expired - Fee Related
Patent Citations (2)
| 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 |
| CN2718806Y (en) * | 2004-03-29 | 2005-08-17 | 富士康(昆山)电脑接插件有限公司 | Multifrequency antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1925218A (en) | 2007-03-07 |
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Granted publication date: 20120418 Termination date: 20180831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |