CN102017291B - An antenna device and a portable radio communication device comprising such an antenna device - Google Patents
An antenna device and a portable radio communication device comprising such an antenna device Download PDFInfo
- Publication number
- CN102017291B CN102017291B CN2009801151523A CN200980115152A CN102017291B CN 102017291 B CN102017291 B CN 102017291B CN 2009801151523 A CN2009801151523 A CN 2009801151523A CN 200980115152 A CN200980115152 A CN 200980115152A CN 102017291 B CN102017291 B CN 102017291B
- Authority
- CN
- China
- Prior art keywords
- frequency band
- radiant element
- antenna assembly
- filter
- input part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
Abstract
The present invention relates to an antenna device for a portable radio communication device, comprising a first radiating element (1) having a first feed portion (5), a second radiating element (2) having a second feed portion (6), a first filter (3) and a second filter (4), wherein said first and second radiating elements (1, 2) are interconnected through said first filter (3), said first radiating element (1) is configured to be tuned to a first frequency band, and said second radiating element (2) is configured to be tuned to a second frequency band, wherein said first radiating element (1) is configured to be fed by at least said first frequency band and a third frequency band lower than said first frequency band and said second frequency band through said first feed portion (5), said second radiating element (2) is configured to be fed by said second frequency band through said second filter (4), said first filter (3) is configured to block said first and second frequency bands and pass said third frequency band, and said second filter (4) is configured to block said third frequency band and pass said second frequency band.
Description
Technical field
Relate generally to antenna of the present invention is particularly for the antenna assembly of portable radio communication apparatus.
Background technology
Nowadays the market competition of portable radio communication apparatus (for example mobile phone, PDA, portable computer and similar device) is very fierce, and there is harsh requirement in manufacturer.Further, the antenna of this sampling device many times only has the difform confined space.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of antenna assembly for portable radio communication apparatus, comparing known solutions can reduced in size or raising performance.
According to the present invention, this purpose etc. can realize by antenna assembly and the radio communications set of additional claim definition respectively.
A kind of antenna assembly for portable radio communication apparatus is provided, this antenna assembly comprises first radiant element with first input part, second radiant element with second input part, first filter and second filter, wherein first radiant element and second radiant element interconnect by first filter, first radiant element is configured to be tuned to first frequency band, second radiant element be configured to be tuned to second frequency band, wherein first radiant element is configured to by first input part input the first frequency band and the 3rd frequency band at least, the 3rd frequency band is lower than first frequency band and second frequency band, second radiant element is configured to import second frequency band by second filter, first filter is configured to stop first frequency band and second frequency band and the 3rd frequency band of letting pass, be configured to stop the 3rd frequency band and second frequency band of letting pass with second filter, by this antenna assembly is provided, because high frequency band uses aerial capacity more effectively, reduced so compare known antenna assembly size.
By preferably providing antenna assembly being located in or approaching to be located in, first radiant element or second radiant element advantageously have for the grounding parts with antenna assembly ground connection.
In order to improve the insulation between the radiant element, first input part preferably is arranged on first radiant element and towards away from the direction of second radiant element and/or second input part preferably is arranged on second radiant element and towards the direction away from first radiant element.
More feature and advantage of the present invention can obtain significantly from the following description.
Description of drawings
According to detailed description and the corresponding accompanying drawing to execution mode given below, the present invention will be understood more fully, this detaileds description and accordingly accompanying drawing only with laying down a definition, because of rather than limitation of the present invention, wherein:
Fig. 1 schematically shows the antenna assembly of first embodiment of the invention.
Fig. 2 schematically shows antenna assembly second embodiment of the invention.
Fig. 3 schematically shows the antenna assembly according to the 3rd execution mode of the present invention.
Embodiment
In the following description, for indicative purpose rather than restrictive purpose, specific details (for example specific technology and application) is set forth, so that complete understanding the present invention.But to those skilled in the art, it is clearly that the present invention can realize in being different from other execution modes of these specific detail.In other examples, make explanation of the present invention become unclear for fear of unnecessary details, the specific descriptions of known method and device are left in the basket.
The antenna assembly of first embodiment of the invention is described referring now to Fig. 1.
The antenna assembly that is used for portable radio communication apparatus (for example mobile phone, PDA, portable computer and similar device) comprises first radiant element 1 with first input part 5, second radiant element 2 with second input part 6, first filter 3 (this first filter is preferably low pass filter 3) and second filter 4 (this second filter is preferably high pass filter 4).First radiant element 1 is connected by low pass filter 3 with second radiant element 2.First radiant element 1 be configured to be tuned to first frequency band, second radiant element 2 be configured to be tuned to second frequency band, second frequency band preferably is in same area or is higher than first frequency band with first frequency band.Low pass filter 3 connects first radiant element 1 and second radiant element 2, and wherein the position of the low pass filter 3 between first radiant element 1 and second radiant element 2 is parts of specific antenna design, therefore can change.
First radiant element 1 is configured to import first frequency band and the 3rd frequency band, and the 3rd frequency band is lower than first frequency band and second frequency band.Preferably, first frequency band and the 3rd frequency band all pass through 5 inputs of first input part.Alternatively, first radiant element 1 has the 3rd input part, and first frequency band and the 3rd frequency band are respectively by first input part and the input of the 3rd input part.First radiant element 1, second radiant element 2 and low pass filter 3 be configured to together be tuned to the 3rd frequency band.
Second radiant element 2 is configured to import second frequency band.Second frequency band is by high pass filter 4 inputs, and high pass filter 4 is configured to stop at least the 3rd frequency band and second frequency band of letting pass.High pass filter 4 can further be configured to also stop first frequency band, stops though first frequency band as described below can be low pass filtering device 3 effectively.
Low pass filter 3 is configured to stop first frequency band and second frequency band, and the 3rd frequency band of letting pass.High pass filter 4 and low pass filter 3 are preferably provided by the parts (lumped component) of lump, and reason is the design freedom that height can be provided.Alternatively, filter 3 and filter 4 can be provided by the distributed elements that for example realizes with the pattern of antenna element 1 and/or antenna element 2.Also have, can directly use filter part (for example pottery or LTCC) to realize required filtering.
In order to make antenna assembly ground connection, when being arranged on, antenna assembly is located in or closely the time, antenna assembly is preferably first radiant element 1 grounding parts 8 is provided.
Radiant element 1 and radiant element 2 are described to paster.But radiant element 1 and radiant element 2 also can manufacture similar for example liftoff antenna (off-ground antenna) (one pole or IFA).Antenna assembly also can have the performance that parasitic radiator improves a frequency band, and parasitic radiator self does not have electric current to be connected (galvanic connection) with radiant element 1 and radiant element 2.
Though filter above is described as low pass filter and high pass filter respectively, they also can be for example band pass filter or band stop filter.
For two radiant elements are correspondingly isolated, at least the three frequency band preferably is different from first frequency band and second frequency band, to allow to use simple filter.In addition, preferably, first frequency band also is different with second frequency band.
For being set to provide for example antenna assembly of triband GSM and WCDMA, its configuration is as follows.
Triband GSM comprises GSM900, GSM1800 and GSM1900, and it is input to first radiant element 1 by first input part 5.WCDMA2100 is input to second radiant element 2 by high pass filter 4 and second input part 6.The first filter 3 following frequency of 1400MHz that is configured to let pass, and stop the frequency that 1400MHz is above.Second filter 4 is configured to let pass and is higher than the signal of 1900MHz and stops the signal that is lower than 1900MHz.First radiant element 1 be configured to let pass GSM1800 and 1900 S that need
11Second radiant element 2 S that WCDMA needs that is configured to let pass
11First radiant element 1 and second radiant element 2 S that GSM900 needs that is configured to together to let pass
11
Be configured to provide the structure of antenna assembly of for example GSM900, GSM1800 with high frequency band receive diversity and GSM1900 as follows.
GSM comprises Rx frequency band and Tx frequency band.GSM900Rx and Tx, GSM1800 Rx and Tx, also have GSM 1900Rx and Tx to be input to first radiant element 1 by first input part 5.GSM1800 Rx and GSM1900 Rx are input to second radiant element 2 by high pass filter 4 and second input part 6.First filter 3 be configured to the let pass frequency that is lower than 1400MHz is led and is stopped the frequency that this 1400MHz is above.Second filter 4 is configured to be higher than the frequency of 1400MHz and stop frequency below the 1400MHz in clearance.First radiant element 1 S that GSM1800 and GSM1900 need that is configured to let pass
11Second radiant element 2 S that GSM1800Rx and GSM1900Rx need that is configured to let pass
11First radiant element 1 and second radiant element 2 S that GSM900 needs that is configured to together to let pass
11
Referring now to Fig. 2 second embodiment of the invention antenna assembly is described.Except following content, second execution mode is identical with above-described first execution mode.
Grounding parts 9 is arranged on second radiant element 2, rather than on first radiant element 1, it provides difference in functionality for the antenna according to first execution mode and second execution mode, particularly the 3rd frequency band aspect.By grounding parts 9 being set (preferably at second radiant element 2, near high pass filter 4), high pass filter 4 becomes and is easy to realize that reason is that the impedance of radiant element diminishes, near grounding parts 9, and then mean that the 3rd frequency band has obtained half-wave structure (for example loop structure).Connect with the method, grounding parts 9 is preferably located in apart from high pass filter 4 less than the 10mm place, more preferably less than 5mm with more preferably less than 2mm.
Grounding parts 9 alternatively is arranged on first radiant element 1, or does not use, as described in top first execution mode.
Referring now to Fig. 3 the antenna assembly according to the 3rd execution mode of the present invention is described.Except following content, the 3rd execution mode is identical with above-described second execution mode.
The 3rd filter 10 is arranged between first radiant element 1 and second radiant element 2.Use the 3rd filter 10 to make that design filter function aspect is more flexible.
Clearly, the present invention has multiple mode to carry out modification.Such modification does not think to break away from the appended claim institute restricted portion of the present invention.Clearly, all such modification should be included in the appended claim institute restricted portion of the present invention to those skilled in the art.
Claims (13)
1. antenna assembly that is used for portable radio communication apparatus, described antenna assembly comprises first radiant element (1) with first input part (5), second radiant element (2) with second input part (6), first filter (3) and second filter (4), it is characterized in that:
Described first radiant element (1) and described second radiant element (2) interconnect by described first filter (3), described first radiant element (1) be configured to be tuned to first frequency band, described second radiant element (2) be configured to be tuned to second frequency band, wherein said first radiant element (1) is configured to be transfused at least the three frequency band and described first frequency band, described the 3rd frequency band is lower than described first frequency band and described second frequency band, described second radiant element (2) is configured to by described second frequency band of described second filter (4) input, described first filter (3) is configured to stop described first frequency band and described second frequency band and described the 3rd frequency band and described second filter (4) is configured to stop described the 3rd frequency band and described second frequency band of letting pass of letting pass.
2. antenna assembly as claimed in claim 1, wherein said first radiant element (1) has grounding parts (8), and described grounding parts (8) is used for making described antenna assembly ground connection.
3. antenna assembly as claimed in claim 1, wherein said second radiant element (2) has grounding parts (9), and described grounding parts (9) is used for making described antenna assembly ground connection.
4. antenna assembly as claimed in claim 3, wherein the described grounding parts (9) on described second radiant element (2) is set near described second input part (6).
5. as each described antenna assembly among the claim 1-4, wherein said first input part (5) is arranged on described first radiant element (1) and goes up towards the direction away from described second radiant element (2).
6. as each described antenna assembly among the claim 1-4, wherein said second input part (6) is arranged on described second radiant element (2) and goes up towards the direction away from described first radiant element (1).
7. as each described antenna assembly among the claim 1-4, wherein said first radiant element (1), described second radiant element (2) and described first filter (3) be configured to together be tuned to described the 3rd frequency band.
8. as each described antenna assembly among the claim 1-4, wherein said first frequency band and described the 3rd frequency band are by described first input part (5) input.
9. as each described antenna assembly among the claim 1-4, wherein said first radiant element (1) has the 3rd input part, and wherein said first frequency band is by described first input part (5) input, and described the 3rd frequency band is by described the 3rd input part input.
10. as each described antenna assembly among the claim 1-4, wherein said second frequency band is higher than described first frequency band.
11. as each described antenna assembly among the claim 1-4, wherein said first frequency band and described second frequency band significantly separate.
12. as each described antenna assembly among the claim 1-4, wherein said first frequency band and described the 3rd frequency band significantly separate.
13. a portable radio communication apparatus is characterized in that, described portable radio communication apparatus comprises as each described antenna assembly among the claim 1-12.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08155275A EP2113965A1 (en) | 2008-04-28 | 2008-04-28 | Dual feed multiband antenna and a portable radio communication device comprising such an antenna |
| EP08155275.4 | 2008-04-28 | ||
| PCT/SE2009/050431 WO2009134198A1 (en) | 2008-04-28 | 2009-04-24 | An antenna device and a portable radio communication device comprising such an antenna device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102017291A CN102017291A (en) | 2011-04-13 |
| CN102017291B true CN102017291B (en) | 2013-10-09 |
Family
ID=39832632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801151523A Expired - Fee Related CN102017291B (en) | 2008-04-28 | 2009-04-24 | An antenna device and a portable radio communication device comprising such an antenna device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2113965A1 (en) |
| CN (1) | CN102017291B (en) |
| WO (1) | WO2009134198A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102215657B1 (en) * | 2019-10-11 | 2021-02-15 | (주)휴맥스 | Multi-band antenna and antenna assembly comprising the same for vehicle |
| KR102215658B1 (en) * | 2019-10-11 | 2021-02-15 | (주)휴맥스 | Integrated antenna module and smart antenna devicee for vehicle comprising the same |
| CN111106452A (en) * | 2019-12-13 | 2020-05-05 | 惠州Tcl移动通信有限公司 | Antenna array, FPC and electronic equipment |
| WO2022046028A1 (en) * | 2020-08-25 | 2022-03-03 | Hewlett-Packard Development Company, L.P. | Multi-band antennas |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6078295A (en) * | 1999-02-24 | 2000-06-20 | Ericsson Inc. | Tri-band antenna |
| CN1728449A (en) * | 2004-07-29 | 2006-02-01 | 智邦科技股份有限公司 | Antenna |
| CN1914765A (en) * | 2004-02-02 | 2007-02-14 | Amc世纪公司 | Antenna device and portable radio communication device comprising such an antenna device |
| CN101019272A (en) * | 2004-09-13 | 2007-08-15 | Amc森托瑞恩股份公司 | Antenna device and portable radio communication device comprising such an antenna device |
| US7277056B1 (en) * | 2006-09-15 | 2007-10-02 | Laird Technologies, Inc. | Stacked patch antennas |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61265905A (en) | 1985-05-20 | 1986-11-25 | Toyo Commun Equip Co Ltd | Two-frequency shared antenna |
| JPH10247814A (en) | 1997-03-05 | 1998-09-14 | Mitsubishi Electric Corp | Three-frequency sharing antenna device |
| JP3438016B2 (en) | 1998-03-03 | 2003-08-18 | 株式会社ケンウッド | Multi-frequency resonant inverted-F antenna |
| JP2002246942A (en) * | 2001-02-19 | 2002-08-30 | Sony Corp | Switching device and portable communication terminal device |
| DE60231842D1 (en) | 2002-10-15 | 2009-05-14 | Hitachi Ltd | SMALL MULTIMODE ANTENNA AND THIS USING HIGH-FREQUENCY MODULE |
| EP1764866A1 (en) * | 2005-09-15 | 2007-03-21 | Infineon Tehnologies AG | Miniaturized integrated monopole antenna |
| JP4571988B2 (en) * | 2007-01-19 | 2010-10-27 | パナソニック株式会社 | Array antenna device and wireless communication device |
-
2008
- 2008-04-28 EP EP08155275A patent/EP2113965A1/en not_active Withdrawn
-
2009
- 2009-04-24 WO PCT/SE2009/050431 patent/WO2009134198A1/en active Application Filing
- 2009-04-24 CN CN2009801151523A patent/CN102017291B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6078295A (en) * | 1999-02-24 | 2000-06-20 | Ericsson Inc. | Tri-band antenna |
| CN1914765A (en) * | 2004-02-02 | 2007-02-14 | Amc世纪公司 | Antenna device and portable radio communication device comprising such an antenna device |
| CN1728449A (en) * | 2004-07-29 | 2006-02-01 | 智邦科技股份有限公司 | Antenna |
| CN101019272A (en) * | 2004-09-13 | 2007-08-15 | Amc森托瑞恩股份公司 | Antenna device and portable radio communication device comprising such an antenna device |
| US7277056B1 (en) * | 2006-09-15 | 2007-10-02 | Laird Technologies, Inc. | Stacked patch antennas |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2113965A1 (en) | 2009-11-04 |
| CN102017291A (en) | 2011-04-13 |
| WO2009134198A1 (en) | 2009-11-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20190424 |