CN1169387C - Collapsible dipole antenna - Google Patents
Collapsible dipole antenna Download PDFInfo
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- CN1169387C CN1169387C CNB001355317A CN00135531A CN1169387C CN 1169387 C CN1169387 C CN 1169387C CN B001355317 A CNB001355317 A CN B001355317A CN 00135531 A CN00135531 A CN 00135531A CN 1169387 C CN1169387 C CN 1169387C
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/062—Two dimensional planar arrays using dipole aerials
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- 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
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/108—Combination of a dipole with a plane reflecting surface
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- 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
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A folded dipole antenna for transmitting and receiving electromagnetic signals is provided. The antenna includes a ground plane and a conductor extending adjacent the ground plane and spaced therefrom by a dielectric. The conductor includes three sections: a feed section, a radiator input section, and at least one radiating section integrally formed with the feed section. The radiating section includes first and second ends, a fed dipole and a passive dipole. The fed dipole is connected to the radiator input section. The passive dipole is disposed in spaced relation to the fed dipole to form a gap. The passive dipole is shorted to the fed dipole at the first and second ends.
Description
Technical field
The present invention relates to antenna, relate more specifically to a kind of folded dipole and be used for radio telecommunications system.
Background technology
The antenna for base station that is used for radio telecommunications system has the ability of the electromagnetic signal of transmitting and receiving.Received signal is handled and is presented to communication network by the receiver on the base station.Transmit is to be different from the frequency emission of received signal.
Owing to increase a large amount of antenna for base station, manufacturer attempts to make the size minimum of each antenna and reduce manufacturing cost.In addition, the visual impact of antenna for base station tower has become the social concerns problem in the community.Therefore, wish to reduce these towers and reduce the visual impact of these towers in community thus.By using littler antenna for base station can reduce the size of tower.
Also need antenna to have wide impedance frequency band on this frequency band, to show stable far field antenna figure.They also need to increase the frequency band of existing single-polarized antenna so that can be operated in the frequency band of honeycomb, global mobile system (GSM), PCS Personal Communications System (PCS), personal communication network (PCN) (PCN) and Universal Mobile Telecommunications System (UMTS).
Summary of the invention
The present invention solves the problem relevant with prior art by the folded dipole that a kind of novelty is provided, and this antenna comprises the conductor that forms one or several integrated radiant section.This design expression goes out wide impedance bandwidth, makes cheaply and can combine with existing single-polarized antenna design.
A kind of folded dipole that is used to transmit and receive electromagnetic signal is provided.This antenna comprises the conductor of a ground plate and an adjacent floor extension and is separated by first dielectric.This conductor comprises transmission line short-term, a radiator importation, the integrated formation of at least one radiant section and radiator importation and feed part of an end open circuit.This radiant section comprises first and second ends, the dipole of a feed and a passive dipole.The feed dipole is connected with the radiator importation.Passive dipole is settled to such an extent that isolate formation at interval with the feed dipole.Passive dipole is shorted to first and second ends of feed dipole.
Description of drawings
By the reading following detailed description with reference to accompanying drawing, other purpose of the present invention and advantage will become clear, among the figure:
Fig. 1 a is the isometric map according to a folded dipole of the embodiment of the invention;
Fig. 1 b is the end view of the folded dipole of Fig. 1 a;
Fig. 1 c is the preceding top view of folded dipole bending that conductor bends to Fig. 1 a;
Fig. 1 d is the isometric map according to the folded dipole of another embodiment of the present invention;
Fig. 1 e is the isometric map according to the folded dipole of another embodiment of the present invention;
Fig. 2 is the isometric map according to the folded dipole of another embodiment of the present invention;
Fig. 3 is the isometric map according to the folded dipole of another embodiment of the present invention;
Fig. 4 a is the isometric map according to the folded dipole of another embodiment of the present invention;
Fig. 4 b is the preceding top view of folded dipole that conductor bends to Fig. 4 a;
Fig. 5 a is the isometric map that comprises the folded dipole of short-term according to one embodiment of the invention;
Fig. 5 b is the end view of the folded dipole of Fig. 5 a;
Fig. 6 is the isometric map according to the folded dipole that comprises short-term of another embodiment of the present invention;
Fig. 7 is the isometric map according to the folded dipole that comprises short-term of another embodiment of the present invention;
Embodiment
Although the present invention is easy to carry out various modifications and remodeling, has represented certain embodiments among the figure by way of example and will be elaborated at this., be to be understood that and the invention is not restricted to particular forms disclosed.On the contrary, the present invention falls into covering subsidiary according to all modifications in the spirit and scope of the invention that claims limited, equivalent arrangements and remodeling.
The present invention is useful in wireless, broadcasting, military and other communication system.One embodiment of the present of invention are operated on the various frequency bands, the north American cellular frequency range of 824-896MHZ frequency for example, the North America relay system frequency range of 806-869MHZ, the global mobile system of 870-960MHZ (GSM) frequency range.An alternative embodiment of the invention is operated on several different radio wave bands, the PCS Personal Communications System of 1850-1900MHZ (PCS) frequency range for example, Universal Mobile Telecommunications System (UMTS) frequency range of 1710-1880MHZ personal communication network (PCN) (PCN) frequency range and 1885-2170MHZ.In this embodiment, wireless telephone user is to antenna for base station tower emission electromagnetic signal, and this antenna for base station tower comprises the antenna of a plurality of receptions by the signal of wireless telephone user emission.Although be used for the base station, the present invention also can be used for all various telecommunication systems.
Antenna shown in Fig. 1 a-4b is the folded dipole 10 that is used to transmit and receive electromagnetic signal.This antenna 10 comprises a ground plate 12 and a conductor 14 that is formed by single piece of conductive material.Conductor 14 is made up of three parts, 20, one radiator importations 40 of a feed part and a radiant section that comprises radiation component 21 and/or 22.The contiguous ground plates 12 of feed part 20 stretch and by dielectric isolation, air for example, and foamed plastics etc. are shown in Fig. 1 b. Radiant section 21 and 22 and the surface of ground plate 12 or edge isolation so that make antenna can be operated on the broadband and still have compact size.
In the embodiment shown in Fig. 1 a-e, this antenna 10 comprises two radiant sections 21 and 22.In the embodiment of Fig. 1 a-4b, conductor 14 machinery and be electrically connected to ground plate 12 on two positions 16 and 18.Radiant section 21 and 22 is supported on the ground plate 12 at a certain distance.In radio band embodiment (1710-2170MHZ), apart from d=1.22 ".Conductor 14 bends so that feed part 20 is supported and replaced by ground plate 12, as schematically illustrating among Fig. 1 b at inflection point 15a and 15b place.As a result, feed part 20 is parallel with ground plate 12 usually.Feed part 20 comprises that a RF importation 38 is suitable for being electrically connected with transmission line.Transmission line is connected with RF equipment usually, for example transmitter or receiver.In one embodiment, RF importation 38 is directly connected to RF equipment.
Two shown radiant sections 21 are structurally identical with 22, therefore only describe radiant section 22 in detail.Radiant section 22 comprises a feed dipole 24 and a passive dipole 26.Feed dipole 24 comprises the first quarter-wave simple oscialltor antenna 28 and the second quarter-wave simple oscialltor antenna 30.In one embodiment, the first quarter-wave simple oscialltor 28 is connected to an end of conductor part 41.Another end of conductor part 41 is connected to feed part 20.The second quarter-wave simple oscialltor 30 is connected to an end of conductor part 42, and the other end of conductor part 42 16 is connected to ground plate 12 in the position.
In this embodiment, conductor part 42 can be by any suitable fixture for example nut, screw, screw or rivet, or any suitable fixing means comprises that welding, brazing or cold working are connected to ground plate 12.The connection that is fit to can be provided in machinery between conductor 14 and the ground plate 12 and electric both be connected.Therefore, this antenna 10 prevents overvoltage or the big electric current by the transient affair generation of for example lightning.A kind of method that forms good electrical and mechanical connection is that the cold work by the Tox PressotechnikGmbH company exploitation of German Weingarten (after this is called " cold work ").Cold work is with a metal surface distortion and be squeezed in formation Tox snap-fastener on another metal surface.The cold work working pressure locks together two metal surfaces.The needs to the independent mechanical fixed part that two metal surfaces are fixed together have been eliminated in this processing.Therefore, the Tox snap-fastener that produces on position 16 and 18 in the embodiment that radiant section 21,22 is installed on the ground plate 12 by cold work provides the support of radiant section 22,21 and the electrical connection of ground plate 12 is provided.Conductor 14 is installed to intermodulation distortion (IMD) minimum that makes this antenna 10 on the ground plate 12 by cold work.The IMD minimum that also makes this antenna 10 is for example welded in the electrical connection of some other type.
With reference to Fig. 1 c, represented at the top view that is bent into to the conductor before the folded dipole that is similar to the antenna shown in Fig. 1 a 14.On RF importation 38, provide hole 42 to help that RF importation 38 is connected to transmission line conductors or RF equipment.Provide one or more holes 44 to help between feed part 20 and ground plate 12, to install one or more dielectric support.This dielectric support can comprise liner, nut and the screw with dielectric packing ring, has the screw of dielectric packing ring etc.
In another embodiment shown in Fig. 1 d, conductor 14 is bent to form radiant section 21 ' and 22 ' in this embodiment, and conductor 14 is bent so that the passive dipole of each radiant section 21` and 22` 26 is vertical and common parallel with ground plate 12 with conductor part 20 separately usually.
In another embodiment shown in Fig. 1 e, radiant section 21 " and 22` bends in the opposite direction so that each radiant section 21 " and 22 " passive dipole 26 settle with about 180 degree mutually, conductor part 40 is vertical and common respectively parallel with ground plate 12 usually with separately.
In an illustrated embodiment, passive dipole 26 is isolated formation interval 32 by parallel installation and with feed dipole 24.Passive dipole 26 on 32 end opposite 34 and 36 at interval with feed dipole 24 short circuits.32 have length L and width W at interval, and wherein length L is greater than width W.This antenna 10 is used for the UMTS frequency range in one embodiment, gap length L=2.24 " and interval width W=0.20 ", and dipole length is 2.64 " and the dipole width be 0.60 ".
With reference to another embodiment shown in Fig. 2, the ground plate 112 that is provided comprises four parts 114,116,117 and 118. Part 114 and 116 usually and horizontal component be isoplanar and part 117 and 118 is opposing vertical walls.In this embodiment, feeding pack 120 is placed between two common vertical walls 117,118.The wall 117,118 of ground plate 112 is parallel to feed part 120 usually.Feed part 120 and wall 117,118 form three layers transmission line.For example isolate with wall 117,118 by air and foamed plastics etc. by dielectric for feed part 120.Two parts 114 and 116 usually and radiant section 121,122 quadratures.The antenna element of Fig. 2 is identical with the respective antenna part of Fig. 1 a, with identical reference number identification.
In another embodiment shown in Figure 3, provide common vertical single ground plate 212.Single feed part 20 is therefore always parallel with ground plate 212 with radiant section 121,122.In this embodiment, feed dipole 24 should have certain distance d to guarantee suitable transmitting and receiving with ground plate 212 top margins.In one embodiment, apart from d=1.22 ".If ground plate 212 has stretched out the initial point in radiation importation 40, transmit and receive and weakened.Corresponding part is identical in the antenna of the antenna element of Fig. 3 and Fig. 1 a, and represents with identical reference number in two width of cloth figure.
In the embodiment of Fig. 2 and 3, conductor 114 or 214 is normally vertical and the plane, (promptly not along its most of length bending), although in the position 116,118 of the conductor shown in Fig. 2 and 3 114 or 214 on ground plate 112, or the position on the ground plate 212 216,218 bends connection a little.Another mode, conductor 114 or 214 can be the plane along whole length, makes the little band manufacturing of the conductor enough dielectric substrates that can not bend of energy thus, this little band is attached directly to respectively on the ground plate 112,212, by for example bonding.
In another embodiment shown in Fig. 4 a, radiant section 321a, 322a are supported on the ground plate 312 and common and its quadrature.Conductor 314a is bent so that feed part 320a is supported and replaced by ground plate 312 at bending place 315a and 315b.The end 334a of radiant section 321a and 322a and 336a are downwards towards ground plate 312 bendings.This configuration makes resulting antenna 10 size minimums.In addition, bend the E plane half-power bandwidth (HPBW) that this radiant section 312a, 322a have increased the far-field pattern of the antenna that obtains.This embodiment is used in particular for producing in the far field near identical E plane and H plane combination poliarizing antenna figure.In addition, one or several this radiant section can also be used to tilt the radiation of 45 degree, and wherein radiant section is arranged in the row of positioned vertical, and each radiant section rotates so that the combination that has at vertical row inclined miter angle polarizes.In the radiant section embodiment of bending downwards, when antenna diagram when horizontal plane is split into vertical and horizontal polarization, antenna diagram is closely similar on the broad range at visual angle.
Fig. 4 b has represented at the vertical view that is bent into to the conductor 14a before the folded dipole 10 of Fig. 4 a.In the embodiment of Fig. 4 a and 4b, passive dipole 326a settles to such an extent that isolate to form 332a at interval with feed dipole 324a.Passive dipole 326a is at end 324a and 336a place and feed dipole 324a short circuit.Side at interval 332a forms first half wavelength dipoles (passive dipole 326A) by interval 332a, and forms second half wavelength dipoles (feed dipole 324a) at the opposite side of interval 332a.Feed dipole 324a comprises the interval 329a that is positioned at the center, and it forms the first quarter-wave one pole 328a and the second quarter-wave one pole 330a.Be used for the embodiment of cellular band 824-896MHZ and GSM frequency band 870-960MHZ at this antenna, dipole length L is about 6.25 ", and the width of dipole is about 0.48 ".In this embodiment, the core of feed dipole 324a and the distance from top d of ground plate 312 are about 2.89 apart from d ".
In another embodiment shown in Fig. 5 a and the 5b, conductor part 42 is termination on the open circuited transmission line short-term 50 of end, and this short-term is not electrically connected with ground plate 12.On the contrary, short-term 50 is supported on the ground plate 12 by dielectric isolation 52, and this dielectric isolation sheet 52 for example can be bonded in short-term 50 and ground plate 12 on both.Fig. 5 b has schematically shown the end view of these antenna 10 parts, comprises a dielectric isolation sheet 52.Another mode, short-term 50 can be fixed on the ground plate 12 by the dielectric fixture, and this fixture stretches on position 16 by short-term 50 and ground plate 12, shown in Fig. 5 a and 5b.The length of short-term 50 is quarter-waves of this operating frequency of antenna.Because the end of short-term 50 forms open circuit, when encouraging, this antenna is presented on the end and the ground wire electricity short circuit of conductor part 42 on operating frequency.This makes this antenna 10 be electrically connected identical mode as conductor part 42 with ground plate 12 and works.Utilize this design, in radiative unit structure, do not arrive the electrical connection of ground connection.Be electrically connected to the DC ground connection that feeding network 20 and ground plate 12 provide the entire antenna array by a end with quarter-wave short circuit transmission line 54 (Fig. 6).
The advantage that open ended stub provided is that the quantity that will be electrically connected between antenna and the ground plate is connected from one of each radiant section and reduces to connection of each aerial array.This embodiment has obviously reduced manufacturing time, has reduced and has assembled needed number of spare parts and reduced the cost that produces antenna.These advantages comprise that at this antenna 10 occasion of a large amount of radiant sections is clearly.The short-term of above-mentioned end open circuit can be used for any embodiment shown in Fig. 1 a-4b.
Fig. 6 has represented another embodiment of similar Fig. 2, has the end of the conductor part 142 of the band line short-term 150 that comprises terminal open circuit.This short-term 150 is isolated by the dielectric isolation sheet of the described spacer 52 of similar Fig. 5 A with ground plate 12.As the situation of Fig. 5 a and 5b, by quarter-wave transmission line 54 being electrically connected to the DC ground connection that the entire antenna array is provided between feed part 120 and the ground plate 112.
Fig. 7 represents another embodiment, and wherein this antenna 10 is supported by dielectric isolation sheet 252.The end of conductor part 242 comprises and the band line short-term 250 of ground plate 12 by the terminal open circuit of spacer 252 isolation, is similar to the above-mentioned spacer 52 of Fig. 5 A.At this, by quarter-wave transmission line being electrically connected to the DC ground connection that the entire antenna array is provided between feed part and the ground plate.
Although illustrated embodiment is represented conductor 14 and forms two radiant sections 21 and 22 that this antenna 10 will utilize a minimum radiant section or utilize a plurality of radiant section work.
Folded dipole 10 of the present invention provides by conductor 14 integrally formed one or several radiant sections.Each radiant section is an integrated part of conductor 14.Like this, do not need independent radiating element (that is, not being the radiating element of the integrated component of conductor 14) or fixture to connect independent radiating element and conductor 14 and/or ground plate 12.The whole conductor 14 of this antenna 10 can be by the single-piece electric conducting material for example by aluminium, copper, the metallic plate manufacturing of brass or alloy composition.The reliability that this has improved this antenna 10 has reduced the manufacturing cost of this antenna 10 and has increased the speed of making this antenna 10.The embodiment of a structure of flexible conductor is better than the little band of dielectric substrates that prior art is used because this little band can not be crooked to produce for example radiant section shown in Fig. 1 a-e and 4a-b.
Among Fig. 1 a each radiant section of antenna for example radiant section 21,22 by pair of conductors part feed, the conductor part 41 and 42 in Fig. 1 a antenna for example, this part forms the edge strap line transmission line of balance.Because this transmission line is a balance, does not need to provide balun.The result is the impedance bandwidth (for example, 24%) that this antenna has non-constant width.Deduct highest frequency by the low-limit frequency that can regulate from this antenna and calculate impedance bandwidth divided by the centre frequency of this antenna then.In one embodiment, this antenna is operated in PCS, on PCN and the UMTS frequency band.Therefore, the impedance bandwidth of this embodiment of this antenna 10 is:
(2170MHz-1710MHz)/1940MHz＝24％
Except having wide impedance bandwidth, this antenna 10 shows the stable far field antenna figure on impedance bandwidth.In the embodiment of radio band (1710-2170MHz), this antenna 10 is 90 degree azimuthal half-power beam width (HPBW) antennas, and promptly this antenna is realized the 3dB beamwidth of 90 degree.The antenna that has a HPBW for production need have the ground plate of sidewall.The height of sidewall is 0.5 " and width between the sidewall is 6.1 ".Ground plate in this embodiment is to have 0.06 " thick aluminium.In another radio band embodiment (1710-2170MHz), this antenna 10 is the HPBW antennas in 65 degree orientation, and promptly this antenna is realized the 65 degree beamwidths of 3dB.The antenna that has this HPBW for production also needs to have the ground plate of sidewall.The height of sidewall is 1.4 " and width between the sidewall is 6.1 ".Ground plate in this embodiment also is to have 0.06 " aluminium of thickness.
This antenna 10 can be integrated in the existing single-polarized antenna, so that the impedance bandwidth of minimizing cost and these existing antennas of increase is to cover honeycomb, GSM, PCS, the frequency band of PCN and UMTS.
Although described the present invention with reference to one or several preferred embodiment, those skilled in the art should confirm can carry out many changes not breaking away under the spirit and scope of the invention situation, and scope of the present invention is set forth according to claims by following.
Claims (46)
1. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This radiant section comprises first and second ends, a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, and this passive dipole is settled to such an extent that isolate formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole at first and second ends;
Wherein, this radiator importation comprises first conductor part and second conductor part that is separated by one second interval, and wherein this first conductor part is electrically connected to ground plate by a fixture.
2. according to the folded dipole of claim 1, wherein first conductor part is by comprising that from one group the processing of selecting welding, electric welding, brazing and the cold working is electrically connected to ground plate.
3. according to the folded dipole of claim 1, wherein second conductor part and current feed department branch become one.
4. according to the folded dipole of claim 1, wherein first and second ends of radiant section are downwards towards the ground plate bending.
5. according to the folded dipole of claim 1, wherein passive dipole is settled parallelly with the feed dipole.
6. according to the folded dipole of claim 1, wherein ground plate usually and the radiant section quadrature.
7. according to the folded dipole of claim 1, wherein ground plate is parallel with radiant section usually.
8. according to the folded dipole of claim 1, wherein ground plate comprises usually each and two parts of radiant section quadrature.
9. according to the folded dipole of claim 1, wherein ground plate comprises two parts that separate, and the feed part stretches between two parts.
10. according to the folded dipole of claim 1, wherein ground plate comprises four parts, and two parts are level normally vertical with two parts normally, and the feed part stretches between two vertical components.
11. according to the folded dipole of claim 1, wherein ground plate normally level and radiant section is usually parallel with ground plate.
12. according to the folded dipole of claim 1, wherein have length and width at interval, length is greater than width.
13. according to the folded dipole of claim 1, wherein conductor forms two radiant sections.
14. according to the folded dipole of claim 1, wherein conductor comprises a RF importation, it is suitable for being electrically connected with a RF equipment.
15. according to the folded dipole of claim 1, wherein conductor is integrated by a slice metal integral.
16. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor is connected to the ground plate that is positioned at one or more positions, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This current feed department branch comprises a RF importation, and it is fit to be electrically connected with a RF equipment; This radiant section comprises a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, this passive dipole is settled with the feed dipole with paralleling and is isolated formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole in the opposite end at this interval;
Wherein, this radiant section is electrically connected to ground plate by a fixture, and further comprises by a fixture this radiant section is connected to ground plate.
17. according to the folded dipole of claim 16, wherein ground plate usually and the radiant section quadrature.
18. according to the folded dipole of claim 16, wherein ground plate is parallel with radiant section usually.
19. according to the folded dipole of claim 16, wherein ground plate comprises usually each and two parts of radiant section quadrature.
20. according to the folded dipole of claim 16, wherein ground plate comprises two parts that separate, the feed part stretches between two parts.
21. according to the folded dipole of claim 16, wherein ground plate comprises four parts, two parts are level normally vertical with two parts normally, and the feed part stretches between two vertical components.
22. according to the folded dipole of claim 16, wherein ground plate normally level and radiant section is usually parallel with ground plate.
23. according to the folded dipole of claim 16, wherein the radiator importation comprises first conductor part and second conductor part that is separated by second interval.
24. according to the folded dipole of claim 23, wherein first conductor part is by comprising that from one group the processing of selecting welding, electric welding, brazing and the cold working is electrically connected to ground plate.
25. according to the folded dipole of claim 23, wherein second conductor part and current feed department branch become one.
26. according to the folded dipole of claim 16, wherein have length and width at interval, length is greater than width.
27. according to the folded dipole of claim 16, wherein conductor forms two radiant sections.
28. according to the folded dipole of claim 16, wherein transmission line is electrically connected with a RF equipment.
29. according to the folded dipole of claim 16, wherein conductor is integrated by a slice metal integral.
30. a method that is used to make the folded dipole that transmits and receives electromagnetic signal comprises:
A ground plate and a conductor that comprises three parts are provided, a feed part, a radiator importation, with at least one and radiator importation and the whole integrated radiant section of feed part, this radiant section comprises first and second ends, a feed dipole and a passive dipole;
Stretch this conductor near the ground plate and by a dielectric this conductor and ground plate being isolated;
Passive dipole and feed dipole are isolated to form at interval; With
Passive dipole is shorted to the feed dipole in first and second ends;
Wherein, the radiator importation comprises first conductor part and second conductor part that is separated by one second interval.
31. according to the method for claim 30, wherein the radiator importation comprises first conductor part and by one second second conductor part that separates at interval, and further comprises by a fixture first conductor part is connected to ground plate.
32., further comprise second conductor part and feed part whole integrated according to the method for claim 31.
33., further comprise downward first and second ends towards the crooked radiant section of ground plate according to the method for claim 30.
34., further comprise by integrated this conductor of a slice metal integral according to the method for claim 30.
35. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This radiant section comprises first and second ends, a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, and this passive dipole is settled to such an extent that isolate formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole at first and second ends;
Wherein, this radiator importation comprises first conductor part and second conductor part that is separated by one second interval; With
Wherein first conductor part is by comprising that from one group the processing of selecting welding, electric welding, brazing and the cold working is electrically connected to ground plate.
36. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This radiant section comprises first and second ends, a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, and this passive dipole is settled to such an extent that isolate formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole at first and second ends;
Wherein first and second ends of radiant section are downwards towards the ground plate bending.
37. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This radiant section comprises first and second ends, a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, and this passive dipole is settled to such an extent that isolate formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole at first and second ends;
Wherein ground plate usually and the radiant section quadrature.
38. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This radiant section comprises first and second ends, a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, and this passive dipole is settled to such an extent that isolate formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole at first and second ends;
Wherein ground plate comprises usually each and two parts of radiant section quadrature.
39. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This radiant section comprises first and second ends, a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, and this passive dipole is settled to such an extent that isolate formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole at first and second ends;
Wherein ground plate comprises four parts, and two parts are level normally vertical with two parts normally, and the feed part stretches between two vertical components.
40. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This radiant section comprises first and second ends, a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, and this passive dipole is settled to such an extent that isolate formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole at first and second ends;
Wherein ground plate normally level and radiant section is usually parallel with ground plate.
41. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor is connected to the ground plate that is positioned at one or more positions, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This current feed department branch comprises a RF importation, and it is fit to be electrically connected with a RF equipment; This radiant section comprises a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, this passive dipole is settled with the feed dipole with paralleling and is isolated formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole in the opposite end at this interval
Wherein ground plate usually and the radiant section quadrature.
42. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor is connected to the ground plate that is positioned at one or more positions, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This current feed department branch comprises a RF importation, and it is fit to be electrically connected with a RF equipment; This radiant section comprises a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, this passive dipole is settled with the feed dipole with paralleling and is isolated formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole in the opposite end at this interval;
Wherein ground plate comprises usually each and two parts of radiant section quadrature.
43. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor is connected to the ground plate that is positioned at one or more positions, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This current feed department branch comprises a RF importation, and it is fit to be electrically connected with a RF equipment; This radiant section comprises a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, this passive dipole is settled with the feed dipole with paralleling and is isolated formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole in the opposite end at this interval;
Wherein ground plate comprises four parts, and two parts are level normally vertical with two parts normally, and the feed part stretches between two vertical components.
44. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor is connected to the ground plate that is positioned at one or more positions, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This current feed department branch comprises a RF importation, and it is fit to be electrically connected with a RF equipment; This radiant section comprises a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, this passive dipole is settled with the feed dipole with paralleling and is isolated formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole in the opposite end at this interval;
Wherein, this radiator importation comprises first conductor part and second conductor part that is separated by one second interval,
Wherein first conductor part is by comprising that from one group the processing of selecting welding, electric welding, brazing and the cold working is electrically connected to ground plate.
45. a folded dipole is used to transmit and receive electromagnetic signal, comprising:
A ground plate; With
The contiguous ground plate of conductor stretches and by a dielectric and ground plate isolation, this conductor is connected to the ground plate that is positioned at one or more positions, this conductor comprises three parts: a feed part, the radiant section that radiator importation and at least one and radiator importation and current feed department diversity are shaped as; This current feed department branch comprises a RF importation, and it is fit to be electrically connected with a RF equipment; This radiant section comprises a feed dipole and a passive dipole, this feed dipole is connected to the radiator importation, this passive dipole is settled with the feed dipole with paralleling and is isolated formation at interval with the feed dipole, and this passive dipole is shorted to the feed dipole in the opposite end at this interval;
Wherein, this radiant section is electrically connected to ground plate by a fixture;
Further comprise: by comprising that from one group the processing of selecting welding, electric welding, brazing and the cold working is electrically connected to ground plate with this radiant section.
46. a method that is used to make the folded dipole that transmits and receives electromagnetic signal comprises:
A ground plate and a conductor that comprises three parts are provided, a feed part, a radiator importation, with at least one and radiator importation and the whole integrated radiant section of feed part, this radiant section comprises first and second ends, a feed dipole and a passive dipole;
Stretch this conductor near the ground plate and by a dielectric this conductor and ground plate being isolated;
Passive dipole and feed dipole are isolated to form at interval; With
Passive dipole is shorted to the feed dipole in first and second ends;
Comprise that further first and second ends with radiant section are downwards towards the ground plate bending.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/432524 | 1999-11-03 | ||
| US09/432,524 US6285336B1 (en) | 1999-11-03 | 1999-11-03 | Folded dipole antenna |
| US09/479489 | 2000-01-10 | ||
| US09/479,489 US6317099B1 (en) | 2000-01-10 | 2000-01-10 | Folded dipole antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1298265A CN1298265A (en) | 2001-06-06 |
| CN1169387C true CN1169387C (en) | 2004-09-29 |
Family
ID=27029534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001355317A Expired - Fee Related CN1169387C (en) | 1999-11-03 | 2000-11-03 | Collapsible dipole antenna |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1098391B1 (en) |
| CN (1) | CN1169387C (en) |
| AU (1) | AU778969B2 (en) |
| BR (1) | BR0005243A (en) |
| DE (1) | DE60017674T2 (en) |
| DK (1) | DK1098391T3 (en) |
| MX (1) | MXPA00010804A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101013771B (en) * | 2006-01-31 | 2011-10-26 | 富士通株式会社 | Folding dipole antenna and tag using the same |
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| JP2005094198A (en) * | 2003-09-16 | 2005-04-07 | Denso Corp | Antenna assembly |
| JP3848328B2 (en) * | 2004-01-13 | 2006-11-22 | 株式会社東芝 | Antenna and wireless communication apparatus equipped with the antenna |
| CN101645535B (en) * | 2004-01-27 | 2012-12-12 | 八木天线株式会社 | Uhf broadband antenna |
| JP4519034B2 (en) | 2004-12-28 | 2010-08-04 | Ｄｘアンテナ株式会社 | antenna |
| US7629931B2 (en) * | 2005-04-15 | 2009-12-08 | Nokia Corporation | Antenna having a plurality of resonant frequencies |
| CN1988252B (en) * | 2005-12-19 | 2011-05-11 | 环旭电子股份有限公司 | Printed folding antenna |
| FI120522B (en) * | 2006-03-02 | 2009-11-13 | Filtronic Comtek Oy | A new antenna structure and a method for its manufacture |
| US7864130B2 (en) | 2006-03-03 | 2011-01-04 | Powerwave Technologies, Inc. | Broadband single vertical polarized base station antenna |
| WO2008055526A1 (en) * | 2006-11-09 | 2008-05-15 | Tes Electronic Solutions Gmbh | Antenna device, antenna system and method of operation |
| US7990329B2 (en) | 2007-03-08 | 2011-08-02 | Powerwave Technologies Inc. | Dual staggered vertically polarized variable azimuth beamwidth antenna for wireless network |
| WO2008124027A1 (en) | 2007-04-06 | 2008-10-16 | Powerwave Technologies, Inc. | Dual stagger off settable azimuth beam width controlled antenna for wireless network |
| EP2165388B1 (en) | 2007-06-13 | 2018-01-17 | Intel Corporation | Triple stagger offsetable azimuth beam width controlled antenna for wireless network |
| CN101345338B (en) * | 2007-07-11 | 2012-05-30 | 光宝科技股份有限公司 | Electronic device and its short circuit dipole antenna |
| CN101102137B (en) * | 2007-07-16 | 2010-12-01 | 中兴通讯股份有限公司 | An antenna collection method for extension data card |
| US8508427B2 (en) | 2008-01-28 | 2013-08-13 | P-Wave Holdings, Llc | Tri-column adjustable azimuth beam width antenna for wireless network |
| CN102142611B (en) * | 2010-02-01 | 2014-02-12 | 深圳富泰宏精密工业有限公司 | Dipole antenna |
| CN102263319B (en) * | 2010-05-28 | 2014-08-13 | 光宝电子(广州)有限公司 | Dipole antenna and electronic device with dipole antenna |
| FR2965978B1 (en) * | 2010-10-07 | 2012-10-19 | Tdf | LARGE BANDWIDE SURFACE WAVE DIMENSIONAL ANTENNA |
| CN103700923B (en) * | 2013-11-27 | 2015-11-04 | 西安电子科技大学 | A kind of High-gain dual-frequency base station antenna |
| EP3883055A1 (en) * | 2014-04-11 | 2021-09-22 | CommScope Technologies LLC | Method of eliminating resonances in multiband radiating arrays |
| US10700410B2 (en) * | 2017-10-27 | 2020-06-30 | Mediatek Inc. | Antenna-in-package with better antenna performance |
| US11038274B2 (en) * | 2018-01-23 | 2021-06-15 | Samsung Electro-Mechanics Co., Ltd. | Antenna apparatus and antenna module |
| WO2020100402A1 (en) * | 2018-11-12 | 2020-05-22 | Ｎｅｃプラットフォームズ株式会社 | Antenna, wireless communication device, and antenna forming method |
| CN113497327A (en) * | 2020-04-02 | 2021-10-12 | 江苏航天大为科技股份有限公司 | Antenna installation device convenient to signal transmission and receiving |
| CN114784513B (en) * | 2022-06-17 | 2022-09-13 | 微网优联科技(成都)有限公司 | Dual-frequency high-gain monopole antenna |
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| GB927051A (en) * | 1959-10-07 | 1963-05-22 | Rudolf Guertler | Improvements in or relating to antennas for high frequencies |
| US2978703A (en) * | 1960-03-08 | 1961-04-04 | Avco Corp | Folded dipole antenna fabricated from a single metallic sheet |
| FR2547957B1 (en) * | 1983-06-22 | 1986-01-03 | Portenseigne | RADIO SIGNAL RECEIVING ANTENNA AND RADIO SIGNAL RECEIVING SYSTEM COMPRISING SUCH AN ANTENNA |
| DK168780B1 (en) * | 1992-04-15 | 1994-06-06 | Celwave R F A S | Antenna system and method of manufacture thereof |
-
2000
- 2000-11-01 AU AU69656/00A patent/AU778969B2/en not_active Ceased
- 2000-11-02 EP EP20000123425 patent/EP1098391B1/en not_active Expired - Lifetime
- 2000-11-02 DK DK00123425T patent/DK1098391T3/en active
- 2000-11-02 DE DE2000617674 patent/DE60017674T2/en not_active Expired - Lifetime
- 2000-11-03 CN CNB001355317A patent/CN1169387C/en not_active Expired - Fee Related
- 2000-11-03 MX MXPA00010804 patent/MXPA00010804A/en active IP Right Grant
- 2000-11-06 BR BR0005243A patent/BR0005243A/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101013771B (en) * | 2006-01-31 | 2011-10-26 | 富士通株式会社 | Folding dipole antenna and tag using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| MXPA00010804A (en) | 2003-04-25 |
| EP1098391B1 (en) | 2005-01-26 |
| DK1098391T3 (en) | 2005-04-04 |
| EP1098391A3 (en) | 2003-05-14 |
| AU778969B2 (en) | 2004-12-23 |
| AU6965600A (en) | 2001-05-10 |
| DE60017674D1 (en) | 2005-03-03 |
| CN1298265A (en) | 2001-06-06 |
| EP1098391A2 (en) | 2001-05-09 |
| BR0005243A (en) | 2001-06-19 |
| DE60017674T2 (en) | 2005-12-29 |
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Granted publication date: 20040929 Termination date: 20111103 |