CN1270564C - Antenna radiator structure - Google Patents
Antenna radiator structure Download PDFInfo
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- CN1270564C CN1270564C CNB031483151A CN03148315A CN1270564C CN 1270564 C CN1270564 C CN 1270564C CN B031483151 A CNB031483151 A CN B031483151A CN 03148315 A CN03148315 A CN 03148315A CN 1270564 C CN1270564 C CN 1270564C
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- Prior art keywords
- radiator structure
- antenna radiator
- unit
- elongator
- lateral member
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- 230000005855 radiation Effects 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims abstract description 6
- 230000001939 inductive effect Effects 0.000 claims abstract description 5
- 230000008093 supporting effect Effects 0.000 claims abstract description 4
- 230000008447 perception Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract 2
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000001413 cellular effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The present invention relates to an antenna radiator structure (18) which comprises a dielectric installation element (19), wherein the dielectric installation element (19) is used for supporting a radiating element (20), and the radiation element (20) is provided with a plurality of basically the same reactive units (40) along a length direction. The reactive units (40) are mutually connected in series and coupled, and every reactive unit can form a capacitor connected with a serial inductive and resistive element.
Description
Invention field
The present invention relates to a kind of antenna radiator structure.The present invention is specially adapted to, but is not limited to, the double-frequency wireless communicator.
Background
Radio communication device usually needs dual-band antenna to be used for sending and receiving radiocommunication signals.For example, also be used in the DCS system of Europe 1800MHZ frequency band commonly used at the Virtual network operator of the gsm system service that Asia 900MHZ frequency band commonly used is provided.Therefore, the gsm wireless communicator, as: cellular radio telephone should have dual-band antenna, so that can communicate effectively under two frequencies in these frequencies at least.
For compact radio communications device, consumer's requirement at present is to have the antenna stub that an inside antenna rather than user can see usually.Little cellular phone requires a kind of antenna of miniaturization now, and described antenna comprises an aerial radiation structure that is coupled on the ground plane, above-mentioned ground plane normally on the wireless telephonic circuit board or among form.In addition, the aerial radiation structure is installed near the inner crowded conductibility of phone and " power consumption " element just be placed in.Antenna must can cover a plurality of frequency bands, and is simultaneously very compact so that for example adapt to 900MHZ and 1800MHZ.Thereby, need compact inside antenna irradiation structure and be used under one or more predetermined band, working.
In this manual, comprise in claims that term " comprises ", " comprise " or similar terms means comprising of nonexcludability, therefore, a kind of method that comprises a series of elements or device are not only and are comprised listed those elements, but also comprise unlisted other element.
Summary of the invention
According to an aspect of the present invention, provide a kind of antenna radiator structure, described antenna radiator structure comprises:
A dielectric installed part; With
Radiant element by the supporting of dielectric installed part, described radiant element has a plurality of substantially the same reactive unit along its length, each mutual series coupled in reactive unit, and each unit all form one with the wherein capacitor of each unit parallel connection of perception and resistance element and each unit of connecting.
Suitably, at least wherein some reactive unit comprises a unit with elongated bridgeware, described bridgeware strides across a longitudinal axis between two lateral member, the axis that these two lateral member have separately crosses above-mentioned longitudinal axis, the units shared that each lateral member is all wherein adjacent separately with each reactive unit, and what extend out from each lateral member is at least one inside elongator, and described inside elongator extends in the inductive unit.
Lateral member can be two adjacent units shareds, and this lateral member has among the wherein first module that at least one inside elongator stretches into two adjacent unit and at least one inside elongator stretches in wherein another unit of adjacent Unit two.
Suitably, each above-mentioned inside elongator can be parallel to longitudinal axis.In one form, lateral member can be perpendicular to longitudinal axis.
Suitably, bridgeware can provide series electrical perception and resistance element.
Each lateral member and their inside elongator can provide capacitor suitably.
Suitable is that bridgeware can be straight member.In a kind of available scheme, bridgeware can be tortuous part.
Radiant element can a kind of suitably flat conductive member.
Suitable is that above-mentioned radiant element can be the plane.
Suitable is that radiant element can be a kind of internal radiation element that forms the radio communications set inside antenna.The internal radiation element can be coupled on the transceiver of radio communications set suitably.
Description of drawings
In order to be more readily understood the present invention and to try out, now with reference to accompanying drawing preferred embodiment is described, wherein:
Fig. 1 is a kind of plane graph of prior art antenna radiator structure;
Fig. 2 is the perspective view that comprises the radio communications set part of a kind of antenna radiator structure of the present invention; And
Fig. 3 is the plane graph of antenna radiator structure first embodiment among Fig. 2;
Fig. 4 is the detail drawing of the identical reactive unit of pie graph 3 a part of antenna radiator structures;
Fig. 5 is the plane graph of antenna radiator structure second embodiment among Fig. 2; And
Fig. 6 is the identical reactive unit detail drawing that comprises a part of antenna radiator structure among Fig. 5.
DETAILED DESCRIPTION OF THE PREFERRED
In the accompanying drawings, identical label is represented components identical all the time.Referring to Fig. 1, Fig. 1 shows a kind of prior art aerial radiation structure that has a dielectric installed part 21 and has radiation component 4a, the radiant element 3 of 4b.In use, radiation component 4a, 4b is coupled on the distributing point post (not shown) by feeder line spare 4c, and the distributing point post passes the distributing point hole 5a in the installed part 2 herein.In addition, ground plane coupling column (not shown) passes the ground plane coupling column hole 5b in the installed part 2.In installed part 2, also have a speaker hole 6 to be used to lay loud speaker in addition.
If the actual size of prior art irradiation structure 1 is that 40mm length and 70mm are wide, then described structure 1 has first resonance frequency and second resonance frequency at the 2400MHZ place at the 1100MHZ place usually.If with these actual sizes as criterion, radiation component 4a then, the size of 4b will be readily apparent to persons skilled in the art.Thereby this structure 1 extremely is not suitable for working under 900MHZ and 1800MHZ frequency band, unless increase radiation component 4a, the actual size of 4b (length).
In Fig. 2 and 3, show an a kind of part of radio communications set 8, it comprises a circuit board 11, transceiver module 9 of these circuit board 11 supportings, a ground plane 13 (so because it is clipped in circuit board 11 interior being shown in broken lines), and a processor 10.Other element/assembly (not shown) are installed on the circuit board 11 or are electrically coupled to circuit board 11 in addition.Radio communications set 8 also comprises a wireless radiation device structure 18, described antenna radiator 18 has a radiant element 20, and described radiant element 20 is coupled on the transceiver module 9 by a distributing point post 16a and runner (runner) 12 (other runner of all on the circuit board 11 is all not shown).Radiant element 20 also is coupled on the ground plane 13 by a ground plane coupling column 16b.Radiator structure 18 is installed on the circuit board 11 by a speaker cavity shell 14, lays a loud speaker 15 in above-mentioned shell 14.
Fig. 3 shows in detail first embodiment of radiator structure 18.In this embodiment, radiator structure 18 comprises a dielectric installed part 19, and radiant element 20 comprises two radiation component 21a, 21b.Radiant element 20 is supported on the dielectric installed part 19, and radiant element 20 has a plurality of substantially the same reactive unit 40 along its length.More particularly, described reactive unit 40 is along each radiation component 21a, the length of 21b.Normally a kind of folding circuit board substrates of dielectric installed part 19, and radiation component 21a, 21b forms by the mode identical with custom circuit plate etch thereon, and radiation component 21a wherein, 21b form by plane conduction copper facing.Dielectric installed part 19 also has a speaker hole 24, a distributing point hole 25a and a ground plane coupling column hole 25b, above-mentioned speaker hole 24 is used to lay loud speaker 15, above-mentioned distributing point hole 25a is used to lay distributing point post 16a, and above-mentioned ground plane coupling column hole 25b is used to lay coupling column 16b.A feeder line spare 21c on installed part 19 extends from radiant element 20, and described feeder line spare 21c can conduct electricity the head that is connected to distributing point post (being shown in broken lines).Equally, radiant element 20 can conduct electricity the head that is connected to ground plane coupling column 16b (being shown in broken lines).
Referring to Fig. 4, Fig. 4 shows the detail drawing of the same reactive unit 40 that constitutes antenna radiator structure 18 parts.As shown in Figure 4, each unit 40 all comprises a long bridgeware 43, described bridgeware 43 strides across two longitudinal axes L between the lateral member 44, and described two lateral member 44 have axis T separately, axis T cross and vertically (90 °) in longitudinal axes L.Each lateral member 44 is public for two adjacent reactive unit 40.What extend out from each lateral member 44 is the inside elongator 45 that extends to the associated electrical resistance unit 40.Also has the oppositely inside elongator 46 that extends from lateral member 44.Elongator 46 stretches into an adjacent unit 40, and this adjacent unit 40 has a public lateral member 44.In other words, a lateral member 44 is public for two adjacent unit, and each inside elongator 45 stretches into first unit 40 in two adjacent cells 40, and each reverse inside elongator 46 stretches into another unit in two adjacent cells 40.
Elongator 45 and 46 has an axis that is parallel to longitudinal axes L, and the end separately 41 of elongator 45,46 and 42 provides capacitance electrode in a unit 40.More particularly, consider one of them unit 40 is expressed as unit A, then its lateral member 44 and inside elongator 45,46 thereof can suitably provide an electric capacity c.The bridgeware 43 of unit A provides a series electrical perception and resistance element LR.Therefore, as will be readily apparent to persons skilled in the art, each reactive unit 40 mutual series coupled, and each unit 40 all form one with series electrical perception and resistance element LR electric capacity c in parallel.
In Fig. 5, show in detail second embodiment of antenna radiator structure 50.In this embodiment, radiator structure 50 is placed on the radio communications set 8 in the mode identical with radiator structure 18.Radiator structure 50 comprises a dielectric installed part 51 and a radiant element 52, and described radiant element 52 has two radiation component 53a, 53b.Radiant element 52 is supported on the dielectric installed part 51, and radiant element 52 has a plurality of substantially the same reactive unit 60 along its length.More particularly, each reactive unit 60 is along each radiation component 53a, the length of 53b.The major part of antenna radiator structure 50 is identical with radiator structure 18 all, and therefore, for the purpose of avoiding repetition, no longer the most of element to antenna radiator structure 50 describes.
Referring to Fig. 6, Fig. 6 shows the detail drawing of some the same electrical resistance unit 60 that constitutes antenna radiator structure 50 parts.As shown in Figure 6, each unit all comprises a long tortuous bridgeware 63, described bridgeware 63 strides across two longitudinal axes L between the lateral member 64, and two lateral member 64 have axis T separately, and described axis T is crossed and perpendicular to (90 °) longitudinal axes L.Each lateral member 64 is public for two adjacent reactive unit 60.What extend out from each lateral member 64 is the inside elongator 65 that extends to the associated electrical resistance unit 60.Also has the oppositely inside elongator 66 that extends from lateral member 64.Elongator 66 inwardly stretches in the adjacent unit 60.Thereby, two adjacent unit, 60 public lateral member 64 had inside elongator 65, described inside elongator 65 stretches in the two adjacent unit 60 first, and it also has oppositely inwardly elongator 66, described oppositely inwardly elongator 66 stretch in the two adjacent unit 60 another.
Elongator 65 and 66 has an axis that is parallel to longitudinal axes L, and the end separately 61,62 of elongator 65,66 provides capacitance electrode in unit 60.In addition, consider one of them cell list is shown as unit B that then its lateral member 64 and inside elongator 65,66 thereof can suitably provide a capacitor c.The bridgeware 63 of unit B provides the inductive and the resistance element LR of a series connection.Therefore, as what it will be apparent to those skilled in the art, each reactive unit 60 all forms an electric capacity c in parallel with tandem inductive and resistance element LR.
The invention provides the multiband inside antenna irradiation structure that is used for the compactness of under allocated frequency band, working.Should be noted that in this manual inside antenna has antenna and is enclosed in the meaning that communicator inside or antenna have the radiant element that forms a communicator shell wall part.
The foregoing description has 15 or more reactive unit 40,60, and each all is to be about 3-5mm (the little 50-100 of the operation wavelength of ratio antenna doubly) for these reactive unit 40,60.In addition, radiation component 21a, 21b or 53a, 53b have and radiation component 4a, the size that 4b is substantially the same.Yet their resonance frequency greatly reduces, and consequently first resonance frequency is at about 900MHZ place, and second resonance frequency is at about 1800MHZ place.
Above-mentioned detailed description only provides preferred one exemplary embodiment, and the scope that is not intended to limit the present invention is used and structure.On the contrary, the detailed description of preferred one exemplary embodiment only provides a kind of explanation of enforcement to those skilled in the art.Should be appreciated that, under the situation that does not break away from the described the spirit and scope of the present invention of claims, can carry out various changes on the function and on arranging.
Claims (12)
1. antenna radiator structure comprises:
A medium fixture; And radiant element by above-mentioned medium fixture supporting, described radiant element has a plurality of substantially the same reactive unit along its length, these mutual series coupled in reactive unit, and each reactive unit all forms the capacitor of connect with an inductive and a resistance element parallel connection, wherein some reactive unit respectively comprises a unit with elongated bridgeware at least, described bridgeware unit strides across a longitudinal axis between two lateral member, above-mentioned two lateral member all have the axis that crosses longitudinal axis separately, all one of them is shared with adjacent separately reactive unit for each lateral member, what extend from each lateral member is at least one inside elongator, and described inside elongator extends in the reactive unit.
2. antenna radiator structure as claimed in claim 1, wherein said lateral member is two adjacent reactive units shareds, described lateral member has at least one inside elongator, this inside elongator stretches in first unit in described two adjacent reactive unit, and has at least one inside elongator and stretch in another unit in described two adjacent reactive unit.
3. antenna radiator structure as claimed in claim 2, wherein said each inside elongator is parallel to longitudinal axis.
4. antenna radiator structure as claimed in claim 1, wherein said each lateral member is perpendicular to longitudinal axis.
5. antenna radiator structure as claimed in claim 1, wherein said bridgeware provides series electrical perception and resistance element.
6. antenna radiator structure as claimed in claim 2, wherein said each lateral member and their inside elongator provide capacitor.
7. antenna radiator structure as claimed in claim 1, wherein said bridgeware are a kind of straight members.
8. antenna radiator structure as claimed in claim 1, wherein said bridgeware are a kind of tortuous parts.
9. antenna radiator structure as claimed in claim 1, wherein said radiant element are a kind of flat partially conductive members.
10. antenna radiator structure as claimed in claim 9, wherein said radiant element is the plane.
11. antenna radiator structure as claimed in claim 1, wherein said radiant element are a kind of internal radiation elements that forms the radio communications set inside antenna.
12. antenna radiator structure as claimed in claim 11, wherein said internal radiation element is coupled on the transceiver of radio communications set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031483151A CN1270564C (en) | 2003-06-27 | 2003-06-27 | Antenna radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031483151A CN1270564C (en) | 2003-06-27 | 2003-06-27 | Antenna radiator structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1568077A CN1568077A (en) | 2005-01-19 |
| CN1270564C true CN1270564C (en) | 2006-08-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031483151A Expired - Fee Related CN1270564C (en) | 2003-06-27 | 2003-06-27 | Antenna radiator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1270564C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9178270B2 (en) * | 2012-05-17 | 2015-11-03 | Futurewei Technologies, Inc. | Wireless communication device with a multiband antenna, and methods of making and using thereof |
-
2003
- 2003-06-27 CN CNB031483151A patent/CN1270564C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1568077A (en) | 2005-01-19 |
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Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
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Effective date of registration: 20160304 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20060816 Termination date: 20160627 |