CN103682638A - Antenna structure with three operating frequency bands and manufacturing method thereof - Google Patents
Antenna structure with three operating frequency bands and manufacturing method thereof Download PDFInfo
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- CN103682638A CN103682638A CN201210344175.5A CN201210344175A CN103682638A CN 103682638 A CN103682638 A CN 103682638A CN 201210344175 A CN201210344175 A CN 201210344175A CN 103682638 A CN103682638 A CN 103682638A
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Abstract
The invention relates to an antenna structure with three operating frequency bands and a manufacturing method thereof. The antenna structure comprises a radiation part which comprises a first conductor branch path, a second conductor branch path and a third conductor branch path, wherein the second conductor branch path is electrically connected to the first conductor branch path; the third conductor branch path comprises an extension part additionally extending from the second conductor branch path; one of the second and third conductor branch paths is the longest path in the first, second and third conductor branch paths; the longest path comprises a sharing region covering more than 1/3 of the longest path; the sharing region is shared by the second and third conductor branch paths.
Description
Technical field
The invention relates to a kind of antenna structure, and particularly about a kind of antenna structure with a plurality of operational frequency bands.
Background technology
In the epoch now of making rapid progress in development in science and technology, the antenna that sizes or kenel are light and handy develops, for example, (to be applied in portable electric device that various sizes are day by day light and handy, mobile phone or mobile computer) in or for example, in radio transmitting device (, access point, wireless network card or wireless card bus).For instance, structure is light and handy, transmission usefulness is good and can be arranged on easily planar inverted F-antenna (the Planar Inverted F Antenna of portable electric device inwall, PIFA) or unipole antenna (Monopole Antenna) exist, and be widely used in the radio transmitting device or mobile computer or wireless communication apparatus of multiple portable electric device.In the prior art, mostly the inner conductor layer of coaxial cable and peripheral conductors layer are welded in respectively to signal feed point and the signal ground point of PIFA, to export the defeated signal of tendency to develop via PIFA.The one PIFA antenna that can be applied in the prior art on multi frequency system has complex structure, the difficult character that each frequency band is adjusted.
Taiwan I351, No. 787 bulletin patent is recorded a kind of prior art scheme, and it discloses a kind of three-frequency antenna.Taiwan I333, No. 715 bulletin patent is recorded a kind of prior art scheme, and it discloses a kind of miniaturization three rhombus co-planar waveguide formula antenna frequently.The U.S. the 7th, 256, No. 743B2 bulletin patent is recorded a kind of prior art scheme, and it discloses a kind of inner multiband antenna.The U.S. the 7th, 242, No. 352B2 bulletin patent is recorded a kind of prior art scheme, and it discloses a kind of multi-band or broad-band antenna.
Summary of the invention
An object of the present invention is to provide a kind of method with antenna structure and the antenna structure that manufacture has three operational frequency bands of three operational frequency bands.
One embodiment of the invention are to provide a kind of antenna structure with three operational frequency bands.This antenna structure comprises a Department of Radiation.This Department of Radiation comprises one first conductor branch path, one second conductor branch path and one the 3rd conductor branch path.This second conductor branch path is electrically connected on this first conductor branch path; The 3rd conductor branch path comprises an extra extension of extending from this second conductor branch path.This second and the first in the 3rd conductor branch path this first, the longest path in this second and the 3rd conductor branch path.This longest path comprises and covers its more than 1/3rd shared region; This shared region is shared in this second conductor branch path and the 3rd conductor branch path.
Another embodiment of the present invention is to provide a kind of manufacture to have the method for an antenna structure of three operational frequency bands, and the method comprises the following step: a substrate is provided; On this substrate, form a grounding parts and have the Department of Radiation in three conductor branch paths, wherein the part in one of this three conductor branch path has a bearing of trend; One short-circuit conductor portion is set between this grounding parts and this Department of Radiation, wherein this short-circuit conductor portion comprises and has a body of a longitudinal axis and this body is toward an extension of one first oblique extension certainly, and this first oblique and this bearing of trend are positioned at the not homonymy of this longitudinal axis; And determine this first oblique and this bearing of trend at least both one of with respect to the relation of this longitudinal axis, and make this antenna structure there is a desired impedance matching.
Another embodiment again of the present invention is to provide a kind of antenna structure with three operational frequency bands.This antenna structure comprises a Department of Radiation.This Department of Radiation comprises a feed terminal and this feed terminal is directly extended certainly three conductor branch paths.This three conductor branch path is positioned at the same side of this feed terminal and has respectively three prime directions, and the angle between any two directions is less than 90 degree in this three prime direction.
Accompanying drawing explanation
The application, by the detailed description of following accompanying drawing, makes more in depth to understand:
Figure 1A, Figure 1B and Fig. 1 C ︰ are respectively the facing an of antenna structure in an embodiment of the present invention, isogonism and local front elevational schematic; And
Fig. 2: be the test result figure of the voltage standing wave ratio (VSWR) of antenna structure in Figure 1A, Figure 1B and Fig. 1 C.
Embodiment
Refer to Figure 1A, Figure 1B and Fig. 1 C, it is respectively the facing an of antenna structure 20 in an embodiment of the present invention, isogonism and local front elevational schematic.Antenna structure 20 has three operational frequency bands FB1, FB2, FB3, and comprises a Department of Radiation 30.In one embodiment, the three conductor branch paths 31,32,33 that Department of Radiation 30 comprises a feed terminal 35 and directly extends from feed terminal 35.Three conductor branch paths 31,32,33 are positioned at the same side of feed terminal 35 and have respectively three prime direction 31D, 32D, 33D, and the angle DR1 between any two directions is less than 90 degree in three prime direction 31D, 32D, 33D.
In one embodiment, conductor branch path 31 directly extends to a terminal location TP1 from feed terminal 35, and comprises a length L T1, the bearing of trend 31A from feed terminal 35 to terminal location TP1, an edge EA1 and at the edge EA2 on EA1 opposite, edge.Conductor branch path 32 is electrically connected on conductor branch path 32 and comprises a length L T2.Conductor branch path 33 comprises a length L T3.In one embodiment, the longest path (such as conductor branch path 33) in the first conductor branch path 31,32,33 in conductor branch path 32,33.This longest path (such as conductor branch path 33) comprises and covers its more than 1/3rd shared region QC1.This shared region QC1 is shared in conductor branch path 32,33.
In one embodiment, between conductor branch path 32,33, comprise a shared conductor branch path 34 with shared region QC1 and a length L T4.For example, length L T4 is greater than 1/3rd of length L T3.In one embodiment, shared region QC1 covers the more than 1/2nd of this longest path, and bearing of trend 31A is close with prime direction 31D or align; For example, length L T4 is greater than 1/2nd of length L T3.
In one embodiment, share conductor branch path 34 and directly extend to a node ND1 from feed terminal 35, and also comprise an initial extension 341, an angle position CP1, the bearing of trend 34A from feed terminal 35 to angle position CP1, at the subpath 342 initial extension 341 and angle position CP1 and the subpath 343 between angle position CP1 and node ND1.Initial extension 341 comprises with respect to a side 3411 of feed terminal 35 with at the side 3412 on side 3411 opposites, and wherein side 3411 is coupled in conductor branch path 31, and side 3412 comprises a short-circuit end SC1.
In one embodiment, each of bearing of trend 34A and prime direction 32D, 33D is close or align.Subpath 342 comprises an edge EB1 and at the edge EB2 on EB1 opposite, edge.Subpath 343 comprises an edge EC1 and at the edge EC2 on EC1 opposite, edge.For example, between bearing of trend 31A, 34A, comprise an acute angle; And specific region QC1 extends from short-circuit end SC1, feed terminal 35 and conductor branch path 31.
In one embodiment, conductor branch path 32 also comprises an extension 321 of sharing conductor branch path 34 and extending to a terminal location TP2 from node ND1.Extension 321 comprises an angle position CP2, the subpath 3211 between angle position CP2 and terminal location TP2.Subpath 3211 comprises an edge ED1 and at the edge ED2 on ED1 opposite, edge.For example, extension 321 is made a right angle or is approached the turning at a right angle at angle position CP2.Conductor branch path 33 also comprises an extension 331 of sharing conductor branch path 34 and extending to a terminal location TP3 from node ND1.Extension 331 comprises an angle position CP3, the subpath 3311 between angle position CP3 and terminal location TP3.Subpath 3311 comprises an edge EE1 and at the edge EE2 on EE1 opposite, edge.For example, extension 331 is made a right angle or is approached the turning at a right angle at angle position CP3.
In one embodiment, antenna structure 20 also comprises a substrate 21, a grounding parts 22, a short-circuit conductor portion 23, a gap structure 24, a gap structure 25 and and is fed to connecting portion 26.Substrate 21 comprises a surface 211, and wherein surface 211 comprises an edge EF1, a lateral section 2111 adjacent with edge EF1 and partly around a body part 2112 of lateral section 2111, and Department of Radiation 30 is arranged on lateral section 2111.For example, substrate 21 is dielectric medium substrates.Be fed to connecting portion 26 and be electrically connected between feed terminal 35 and a module end, and there is a specified impedance.For example, this module end is an antenna port, and this specified impedance equals 50 Ω or 75 Ω.For example, being fed to connecting portion 26 is cables.
In one embodiment, grounding parts 22 is arranged on this body part 2112, and comprise an angle position CP4 adjacent with the edge EF1 of substrate 21, an angle position CP5 adjacent with the edge EF1 of substrate 21, with a short-circuit end SC2 apart of a distance D T11 and angle position CP4, between angle position CP4 and short-circuit end SC2 partly around an edge EG1 of Department of Radiation 30 and between angle position CP5 and short-circuit end SC2 partly around an edge EG2 of Department of Radiation 30.
In one embodiment, short-circuit conductor portion 23 extends to short-circuit end SC1 from short-circuit end SC2 on lateral section 2111, and comprise an angle position CP6, at the body 231 between short-circuit end SC2 and angle position CP6, the extension 232 between angle position CP6 and short-circuit end SC1, the bearing of trend 23A from angle position CP6 to short-circuit end SC1.Body 231 comprises an edge EH1, at the edge EH2 on EH1 opposite, edge and there is a longitudinal axis AX1 of a y direction AX1A, and longitudinal axis AX1 is by short-circuit end SC2.Extension 232 comprises an edge EK1 and at the edge EK2 on EK1 opposite, edge.For example, bearing of trend 23A is an oblique 23B; Short-circuit conductor portion 23 does the turning at an obtuse angle at angle position CP6; Longitudinal axis AX1 is parallel with edge EA2 or approach parallel; And longitudinal axis AX1 is vertical with edge EB2 or approach vertical.For example, longitudinal axis AX1 is parallel with edge EC1 or approach parallel; And between edge EB1, EC1, comprise an obtuse angle.
In one embodiment, gap structure 24 is arranged between edge EG1, short-circuit conductor portion 23 and the shared conductor branch path 34 of grounding parts 22.Gap structure 25 is arranged between the edge EG2 of short-circuit conductor portion 23, Department of Radiation 30 and grounding parts 22.In one embodiment, gap structure 24 is arranged between edge EG1, short-circuit conductor portion 23 and the subpath 342 of grounding parts 22.In one embodiment, Department of Radiation 30, grounding parts 22 and short-circuit conductor portion 23 are coplanar.The edge EG2 of grounding parts 22 comprises a sub-edge EG21 as a bottom stratum, as a sub-edge EG22 of intermediate strata, at the sub-edge EG23 between angle position CP5 and sub-edge EG21, at the sub-edge EG24 between sub-edge EG21 and sub-edge EG22 and the sub-edge EG25 between short-circuit end SC2 and sub-edge EG22.
In one embodiment, gap structure 25 comprises four spaces 251,252,253,254.Space 251 is arranged between short-circuit conductor portion 23, conductor branch path 31, sub-edge EG21, sub-edge EG24, sub-edge EG22 and sub-edge EG25; Space 252 is arranged between conductor branch path 31 and conductor branch path 32; Space 253 is arranged between subpath 3311 and sub-edge EG23; Space 254 is arranged between 331He Zi edge, extension EG21.
In one embodiment, between the edge EH1 of body 231 and the edge EF1 of substrate 21, comprise a distance D T12.Between EH2He Zi edge, the edge EG22 of body 231, comprise a distance D T13.Between feed terminal 35 and sub-edge EG24, comprise a distance D T14.Between EA2He Zi edge, the edge EG21 in conductor branch path 31, comprise a distance D T15.Between the edge EE1 of terminal location TP1 and subpath 3311, comprise a distance D T16.Between the edge EA1 in conductor branch path 31 and the edge ED2 of subpath 3211, comprise a distance D T17.Between the edge ED1 of subpath 3211 and the edge EC2 of subpath 343, comprise a distance D T18.Between the edge EB2 of terminal location TP2 and subpath 342, comprise a distance D T19.Between EE2He Zi edge, the edge EG23 of subpath 3311, comprise a distance D T20.Between the edge EA2 in terminal location TP3 and conductor branch path 31, comprise a distance D T21.Between feed terminal 35 and longitudinal axis AX1, comprise a distance D T22.For example, distance D T12, DT13, DT14, DT15, DT16, DT17, DT18, DT19, DT20, DT21, DT22 are respectively a plurality of vertical ranges.
In one embodiment, between y direction AX1A and bearing of trend 34A, comprise an angle A G1.Between y direction AX1A and bearing of trend 23A, comprise an angle A G2.For example, angle A G1, AG2 are respectively two acute angles.This antenna structure 20 utilizes conductor branch path 31,32,33 to form respectively operational frequency bands FB1, FB2, FB3.Distance D T16 is that the changeable operational frequency bands FB1 that makes is movably.Distance D T19 is that the changeable operational frequency bands FB2 that makes is movably.Distance D T21 is that the changeable operational frequency bands FB3 that makes is movably.For example, distance D T21 is changed to make operational frequency bands FB3 to move to one second special frequency band from one first special frequency band.For example, distance D T19 is changed to make operational frequency bands FB2 to move to one the 4th special frequency band from one the 3rd special frequency band.For example, distance D T16 is changed to make operational frequency bands FB1 to move to one the 6th special frequency band from one the 5th special frequency band.
In one embodiment, antenna structure 20 comprises a conductor structure 28, and conductor structure 28 comprises Department of Radiation 30 and short-circuit conductor portion 23.Distance D T12, DT13, DT14, DT15, DT17, DT18, DT20, DT22 and angle A G1, angle A G2 at least one of them is that the changeable antenna structure 20 that makes has a desired impedance matching.For example, conductor structure 28 comprises an impedance R1; Distance D T12, DT13, DT14, DT15, DT17, DT18, DT20, DT22 and angle A G1, angle A G2 at least one of them is changed to change impedance R1 so that antenna structure 20 has this desired impedance matching.For example, this desired impedance matching and impedance R1 and to be fed to this specified impedance of connecting portion 26 relevant.
In one embodiment, between y direction AX1A and edge EB1, comprising an angle A G3(indicates through translation); Between y direction AX1A and edge EK1, comprising an angle A G4(indicates through translation); Between y direction AX1A and edge EK2, comprise an angle A G5.Distance D T11, DT12, DT13, DT14, DT15, DT17, DT18, DT20, DT22 and angle A G1, AG2, AG3, AG4, AG5 at least one of them is that the changeable antenna structure 20 that makes has a desired impedance matching.For example, distance D T11, DT12, DT13, DT14, DT15, DT17, DT18, DT20, DT22 and angle A G1, AG2, AG3, AG4, AG5 at least one of them is changed to change impedance R1 so that antenna structure 20 has this desired impedance matching.
In an embodiment who provides according to Figure 1A, Figure 1B and Fig. 1 C, a kind of antenna structure 20 with three operational frequency bands FB1, FB2, FB3 comprises a Department of Radiation 30, and wherein this Department of Radiation 30 comprises conductor branch path 31,32,33.Conductor branch path 32 is electrically connected on conductor branch path 31; Conductor branch path 33 comprises from the extra extension 331 of extending of conductor individual path 32.A longest path (such as conductor branch path 33) in the first conductor branch path 31,32,33 in conductor branch path 32,33.This longest path (such as conductor branch path 33) comprises and covers its more than 1/3rd shared region QC1; This shared region QC1 is shared in conductor branch path 32,33.
In an embodiment who provides according to Figure 1A, Figure 1B and Fig. 1 C, a kind of method that manufacture has an antenna structure 20 of three operational frequency bands FB1, FB2, FB3 comprises the following step: a substrate 21 is provided; On substrate 21, form a grounding parts 22 and have the Department of Radiation 30 in three conductor branch paths 31,32,33, wherein the part in one of this three conductor branch path 31,32,33 (such as initial extension 341 and subpath 342) has a bearing of trend 34A; One short-circuit conductor portion 23 is set between grounding parts 22 and Department of Radiation 30, wherein short-circuit conductor portion 23 comprises and has a body 231 of a longitudinal axis AX1 and the extension 232 extending toward an oblique 23B from body 231, and oblique 23B and bearing of trend 34A are positioned at the not homonymy of longitudinal axis AX1; And determine oblique 23B and this bearing of trend 34A at least both one of with respect to the relation of longitudinal axis AX1, and make antenna structure 20 there is a desired impedance matching.
In one embodiment, Department of Radiation 30 also comprises a feed terminal 35 and a centre of form HC1.Conductor branch path 31 directly extends to a terminal location TP1 from feed terminal 35, and comprises the outer ledge (such as edge EA2) with respect to centre of form HC1.Between conductor branch path 32 and conductor branch path 33, comprise one and share conductor branch path 34.Share conductor branch path 34 and directly extend to a node ND1 from feed terminal 35, and also comprise an initial extension 341, an angle position CP1 and the subpath 342 between initial extension 341 and angle position CP1.Subpath 342 comprises one first inside edge (such as edge EB2) with respect to centre of form HC1.
In one embodiment, conductor branch path 32 comprises an extension 321 of sharing conductor branch path 34 and extending to a terminal location TP2 from node ND1, and wherein extension 321 comprises an angle position CP2.Conductor branch path 33 comprises an extension 331 of sharing conductor branch path 34 and extending to a terminal location TP3 from node ND1.Extension 331 comprises an angle position CP3 and the subpath 3311 between angle position CP3 and terminal location TP3, and wherein subpath 3311 comprises one second inside edge (such as edge EE1) with respect to centre of form HC1.Between terminal location TP1 and this second inside edge (such as edge EE1), comprise one first vertical range (such as distance D T16).Between terminal location TP2 and this first inside edge (such as edge EB2), comprise one second vertical range (such as distance D T19).Between terminal location TP3 and this outer ledge (such as edge EA2), comprise one the 3rd vertical range (such as distance D T21).
In one embodiment, the method for manufacture antenna structure 20 also comprises the following step: utilize conductor branch path 31,32,33 to form respectively operational frequency bands FB1, FB2, FB3; Via determining this first vertical range (such as distance D T16), determine operational frequency bands FB1; Via determining this second vertical range (such as distance D T19), determine operational frequency bands FB2; And via determining the 3rd vertical range (such as distance D T21), determine operational frequency bands FB3.
In an embodiment who provides according to Figure 1A, Figure 1B and Fig. 1 C, antenna structure 20 is a kind of printing type aerial structures, and is used in a radio transmitting device (not shown).In one embodiment, antenna structure 20 is used on a printed circuit board (PCB), have and be easy to the geometry adjusted, and can be applied in for operational frequency bands LTE-Band 20 (790 ~ 870MHz), LTE-Band 3 (1770 ~ 1880MHz), LTE-Band 7 (2500 ~ 2700MHz) and have on a specific device (such as a wireless communication apparatus) of a band system band demand.For example, this wireless communication apparatus is a mobile computer, a mobile phone, an access point (AP) or the TV that comprises Wi-Fi technology or Video CD (DVD) machine etc.For example, antenna structure 20 can be applied to adopt Band 20, the Band 3 of Long Term Evolution (LTE (Long Term Evolution)), the system of Band 7.For example, the frequency band of antenna structure 20 can be adjusted a little and make antenna structure 20 be applied in the wireless telecommunication system that other operates three frequency bands.
In one embodiment, antenna structure 20 is easy to for needed frequency band, be adjusted in different environment.For example, the conductive structure of antenna structure 20 (comprising Department of Radiation 30, grounding parts 22, short-circuit conductor portion 23) is printed directly on a substrate 21(such as a circuit board) on; So, can reduce the die cost expenditure of stereoscopic antenna and the cost of production and assembly, and be applied in all-environment Wi-Fi device.
In one embodiment, antenna structure 20 is PIFA antenna structures, and comprises substrate 21, grounding parts 22 and a conductor structure 28.Conductor structure 28 comprises Department of Radiation 30 and short-circuit conductor portion 23.For example, conductor structure 28 is microstrip lines, is printed on the lateral section 2111 of substrate 21, and comprises feed terminal 35 and short-circuit end SC2.Feed terminal 35 is as a signal feed side, and short-circuit end SC2 is as a signal ground end.Substrate 21 is also included in a reverse side on surperficial 211 opposites.A first surface part corresponding with lateral section 2111 in this reverse side is not printed a grounding metal plane.A second surface part not corresponding with conductor structure 28 in this reverse side can be printed a grounding metal plane (in three ply board situation), or can be completely without metal (in doubling plate situation).For example, in antenna structure 20, be built in a radio transmitting device.
In one embodiment, Department of Radiation 30 comprises direct extension from the conductor branch path 31,32,33 of feed terminal 35.Conductor branch path 31,32,33 has respectively length L T1, LT2, the LT3 of the resonance of being used to form.Conductor branch path 31,32,33 be used to form respectively operational frequency bands FB1, FB2, the FB3 of wish design.Operational frequency bands FB1, FB2, FB3 comprise respectively one first frequency of operation, one second frequency of operation and one the 3rd frequency of operation.This first frequency of operation, this second frequency of operation and the 3rd frequency of operation have respectively one first resonant wavelength, one second resonant wavelength and one the 3rd resonant wavelength.This first resonant wavelength 1/4th, 1/4th and the 3rd resonant wavelength of this second resonant wavelength 1/4th be respectively one first length, one second length and one the 3rd length.Length L T1, LT2, LT3 be rough this first length, this second length and the 3rd length of equaling respectively, and so, Department of Radiation 30 can be used for emission band signal.
In one embodiment, short-circuit conductor portion 23 extends to short-circuit end SC2 from the short-circuit end SC1 of Department of Radiation 30.For example, short-circuit end SC2 is corresponding with a signal ground end of a PIFA antenna structure, and is connected with the grounding system of system.Short-circuit conductor portion 23 can adjust the impedance matching of antenna structure 20 simultaneously, makes the voltage standing wave ratio (VSWR) of antenna structure 20 can reach the specification and requirement of industry.In one embodiment, operational frequency bands FB1, FB2, FB3 have respectively the mechanism of independently adjusting, and so, can facilitate independently and easily adjust the operating point of operational frequency bands separately, to reach systematic application.
In one embodiment, be fed to connecting portion 26 and be electrically connected between feed terminal 35 and a module end, and be a cable with 50 Ω impedances.One end of this cable is directly welded on feed terminal 35 to be fed to an aerial signal, and one end of this cable can be extended arbitrarily.For example, this module end comprises a radio frequency feed-in signal end and a radio frequency feed-in signal ground end, and this radio frequency feed-in signal ground end can extend arbitrarily according to product form.In one embodiment, the length L T1 in conductor branch path 31 is adjustable so that this first frequency of operation of operational frequency bands FB1 is adjustable; The length of subpath 3211 is adjustable so that this second frequency of operation of operational frequency bands FB2 is adjustable; The length of subpath 3311 is adjustable so that the 3rd frequency of operation of operational frequency bands FB3 is adjustable.For example, short-circuit end SC2 is corresponding with a signal ground end of a PIFA antenna structure, and is connected with the grounding system of system.For example, grounding parts 22 is as an earth terminal of system.For example, substrate 21 is dielectric layers for a printed circuit board (PCB).
Refer to Fig. 2, it is the test result figure of the voltage standing wave ratio (VSWR) of antenna structure 20 in Figure 1A, Figure 1B and Fig. 1 C.Fig. 2 shows the VSWR of antenna structure 20 and the relation curve CV1 between frequency and CV2, acquisition from the frequency band FB3 of relation curve CV1 and obtains frequency band FB2, the FB1 from relation curve CV2.As shown in Figure 2, in having the frequency band FB3 of frequency range 0.775GHz ~ 0.875GHz, VSWR drops to below wanted maximum " 2 ", and a frequency range of frequency band FB3 indication 100MHz; In having the frequency band FB2 of frequency range 1.70GHz ~ 1.90GHz, VSWR drops to below wanted maximum " 2 ", and a frequency range of frequency band FB2 indication 200MHz; In having the frequency band FB1 of frequency range 2.40GHz ~ 2.75GHz, VSWR drops to below wanted maximum " 2 ", and a frequency range of frequency band FB1 indication 350MHz; Described frequency range is all encompassed in the frequency range of the substandard wireless telecommunications of LTE frequency band.
Embodiment
1. an antenna structure with three operational frequency bands, comprises a Department of Radiation, and wherein this Department of Radiation comprises one first conductor branch path, one second conductor branch path and one the 3rd conductor branch path.This second conductor branch path is electrically connected on this first conductor branch path; And the 3rd conductor branch path comprise from this second conductor branch path extra one first extension of extending.This second and the first in the 3rd conductor branch path this first, the longest path in this second and the 3rd conductor branch path; This longest path comprises and covers its more than 1/3rd shared region; And shared this shared region in this second conductor branch path and the 3rd conductor branch path.
2. according to the antenna structure described in embodiment 1, wherein: this Department of Radiation also comprises a feed terminal; Between this second conductor branch path and the 3rd conductor branch path, comprise a shared conductor branch path with this shared region; This first conductor branch path directly extends to a first terminal position from this feed terminal, and also comprises one first edge and at one second edge on this opposite, the first edge in this first conductor branch path; This shared conductor branch path directly extends to a node from this feed terminal, and also comprises an initial extension, one first angle position, one first bearing of trend from this feed terminal to this first angle position, one first subpath this initial extension and this first angle position and one second subpath between this first angle position and this node; This initial extension comprises with respect to a first side of this feed terminal with in a second side on this opposite, first side, and this first side is coupled in this first conductor branch path, and this second side comprises one first short-circuit end; This first subpath comprises one first edge and at one second edge on this opposite, the first edge of this first subpath; This second subpath comprises one first edge and at one second edge on this opposite, the first edge of this second subpath; This second conductor branch path also comprise this shared conductor branch path and certainly this node extend to one second extension of one second terminal location; This first extension comprises one second angle position, one the 3rd subpath between this second angle position and this second terminal location; The 3rd subpath comprises one first edge and at one second edge on this opposite, the first edge of the 3rd subpath; The 3rd conductor branch path also comprise this shared conductor branch path and certainly this node extend to this first extension of a third terminal position; This second extension comprises a method of three turning angles position, one the 4th subpath between this method of three turning angles position and this third terminal position; The 4th subpath comprises one first edge and at one second edge on this opposite, the first edge of the 4th subpath; And this three conductor branch path is positioned at the same side of this feed terminal and has respectively three prime directions, and one first angle between any two directions is less than 90 degree in this three prime direction.
3. according to the antenna structure described in embodiment 1 to 2, also comprise a substrate, a grounding parts, a short-circuit conductor portion, and be fed to connecting portion, one first gap structure and a Second gap structure.This substrate comprises a first surface, and wherein this first surface comprises one first edge, a lateral section adjacent with this first edge of this substrate and partly around a body part of this lateral section, and this Department of Radiation is arranged on this lateral section.This grounding parts is arranged on this body part, and comprise one four angle position adjacent with this first edge of this substrate, one five angle position adjacent with this first edge of this substrate, with one second short-circuit end apart of one first distance and the 4th angle position, between the 4th angle position and this second short-circuit end partly around one first edge of this Department of Radiation and between the 5th angle position and this second short-circuit end partly around one second edge of this Department of Radiation.This short-circuit conductor portion extends to this first short-circuit end from this second short-circuit end on this lateral section, and comprise one the 6th angle position, the body between this second short-circuit end and the 6th angle position, one second bearing of trend from the 6th angle position to this first short-circuit end, wherein this body comprise one first edge, at one second edge on this opposite, the first edge of this body and there is the longitudinal axis of a y direction, and this longitudinal axis is by this second short-circuit end.This is fed to connecting portion and is electrically connected on this feed terminal.This first gap structure is arranged between this first edge, this short-circuit conductor portion and this shared conductor branch path of this grounding parts.This Second gap structure is arranged between this second edge of this short-circuit conductor portion, this Department of Radiation and this grounding parts.
4. according to the antenna structure described in embodiment 1 to 3, wherein: this Department of Radiation, this grounding parts and this short-circuit conductor portion are coplanar; This of this grounding parts the second edge comprises one first sub-edge as a bottom stratum, as one second sub-edge of intermediate strata, at one the 3rd sub-edge between the 5th angle position and this first sub-edge, at one the 4th sub-edge between this first sub-edge and this second sub-edge and one the 5th sub-edge between this second short-circuit end and this second sub-edge; This Second gap structure comprises one first space, a Second gap, one the 3rd space and one the 4th space; This first space is arranged between this short-circuit conductor portion, this first conductor branch path, this first sub-edge, the 4th sub-edge, this second sub-edge and the 5th sub-edge; This Second gap is arranged between this first conductor branch path and this second conductor branch path; The 3rd space is arranged between the 4th sub cost sum the 3rd sub-edge; The 4th space is arranged between this second extension and this first sub-edge; Between this first edge of this of this body the first edge and this substrate, comprise a second distance; Between this of this body the second edge and this second sub-edge, comprise one the 3rd distance; Between this feed terminal and the 4th sub-edge, comprise one the 4th distance; Between this second edge in this first conductor branch path and this first sub-edge, comprise one the 5th distance; Between this first edge of this first terminal position and the 4th subpath, comprise one the 6th distance; Between this first edge in this first conductor branch path and this second edge of the 3rd subpath, comprise one the 7th distance; Between this first edge of the 3rd subpath and this second edge of this second subpath, comprise one the 8th distance; Between this second edge of this second terminal location and this first subpath, comprise one the 9th distance; Between this second edge of the 4th subpath and the 3rd sub-edge, comprise 1 the tenth distance; Between this second edge in this third terminal position and this first conductor branch path, comprise 1 the 11 distance; Between this feed terminal and this longitudinal axis, comprise 1 the 12 distance; Between this y direction and this first bearing of trend, comprise one second angle; Between this y direction and this second bearing of trend, comprise one the 3rd angle; This three operational frequency bands is respectively one first operational frequency bands, one second operational frequency bands and one the 3rd operational frequency bands; This antenna structure utilize this first, this second and the 3rd conductor branch path form respectively this first, this second and the 3rd operational frequency bands; The 6th distance is that changeable to make this first operational frequency bands be movably; The 9th distance is that changeable to make this second operational frequency bands be movably; The 11 distance is that changeable to make the 3rd operational frequency bands be movably; And this second distance, the 3rd distance, the 4th distance, the 5th distance, the 7th distance, the 8th distance, the tenth distance, the 12 distance, this second angle and the 3rd angle at least one of them is that changeable this antenna structure that makes has a desired impedance matching.
5. manufacture has a method for an antenna structure of three operational frequency bands, and the method comprises the following step: a substrate is provided; On this substrate, form a grounding parts and have the Department of Radiation in three conductor branch paths, wherein the part in one of this three conductor branch path has a bearing of trend; One short-circuit conductor portion is set between this grounding parts and this Department of Radiation, wherein this short-circuit conductor portion comprises and has a body of a longitudinal axis and this body is toward an extension of one first oblique extension certainly, and this first oblique and this bearing of trend are positioned at the not homonymy of this longitudinal axis; And determine this first oblique and this bearing of trend at least both one of with respect to the relation of this longitudinal axis, and make this antenna structure there is a desired impedance matching.
6. according to the method described in embodiment 5, wherein: this Department of Radiation also comprises a feed terminal and a centre of form; This three conductor branch path is respectively one first conductor branch path, one second conductor branch path and this one the 3rd conductor branch path; This first conductor branch path directly extends to a first terminal position from this feed terminal, and comprises the outer ledge with respect to this centre of form; Between this second conductor branch path and the 3rd conductor branch path, comprise one and share conductor branch path; This shared conductor branch path directly extends to a node from this feed terminal, and also comprises an initial extension, one first angle position and one first subpath between this initial extension and this first angle position; This first subpath comprises one first inside edge with respect to this centre of form; This second conductor branch path comprise this shared conductor branch path and certainly this node extend to one first extension of one second terminal location; This first extension comprises one second angle position; The 3rd conductor branch path comprise this shared conductor branch path and certainly this node extend to one second extension of a third terminal position; This second extension comprises a method of three turning angles position and one second subpath between this method of three turning angles position and this third terminal position; This second subpath comprises one second inside edge with respect to this centre of form; Between this first terminal position and this second inside edge, comprise one first vertical range; Between this second terminal location and this first inside edge, comprise one second vertical range; Between this third terminal position and this outer ledge, comprise one the 3rd vertical range; And this three operational frequency bands is respectively one first operational frequency bands, one second operational frequency bands and one the 3rd operational frequency bands.
7. according to the method described in embodiment 5 to 6, also comprise the following step: utilize this first, this second and the 3rd conductor branch path form respectively this first, this second and the 3rd operational frequency bands; Via determining this first vertical range, determine this first operational frequency bands; Via determining this second vertical range, determine this second operational frequency bands; And determine the 3rd operational frequency bands via determining the 3rd vertical range.
8. an antenna structure with three operational frequency bands, comprises a Department of Radiation.This Department of Radiation comprises a feed terminal and this feed terminal is directly extended certainly three conductor branch paths, this three conductor branch path is positioned at the same side of this feed terminal and has respectively three prime directions, and one first angle between any two directions is less than 90 degree in this three prime direction.
9. according to the antenna structure described in embodiment 8, wherein: this three conductor branch path is respectively one first conductor branch path, one second conductor branch path and this one the 3rd conductor branch path; This first conductor branch path directly extends to a first terminal position from this feed terminal, and comprises one first edge and at one second edge on this opposite, the first edge in this first conductor branch path; This second conductor branch path is electrically connected on this first conductor branch path; This second and the first in the 3rd conductor branch path this first, the longest path in this second and the 3rd conductor branch path; This longest path comprises and covers its more than 1/3rd shared region; This shared region is shared in this second conductor branch path and the 3rd conductor branch path; Between this second conductor branch path and the 3rd conductor branch path, comprise a shared conductor branch path with this shared region; This shared conductor branch path directly extends to a node from this feed terminal, and also comprises an initial extension, one first angle position, one first bearing of trend from this feed terminal to this first angle position, one first subpath this initial extension and this first angle position and one second subpath between this first angle position and this node; This initial extension comprises with respect to a first side of this feed terminal with in a second side on this opposite, first side, and this first side is coupled in this first conductor branch path, and this second side comprises one first short-circuit end; This first subpath comprises one first edge and at one second edge on this opposite, the first edge of this first subpath; This second subpath comprises one first edge and at one second edge on this opposite, the first edge of this second subpath; This second conductor branch path also comprise this shared conductor branch path and certainly this node extend to one first extension of one second terminal location; This first extension comprises one second angle position, one the 3rd subpath between this second angle position and this second terminal location; The 3rd subpath comprises one first edge and at one second edge on this opposite, the first edge of the 3rd subpath; The 3rd conductor branch path also comprise this shared conductor branch path and certainly this node extend to one second extension of a third terminal position; This second extension comprises a method of three turning angles position, one the 4th subpath between this method of three turning angles position and this third terminal position; And the 4th subpath comprise one first edge and at one second edge on this opposite, the first edge of the 4th subpath.This antenna structure also comprises a substrate, a grounding parts, a short-circuit conductor portion, and is fed to connecting portion, one first gap structure and a Second gap structure.This substrate comprises a first surface, and wherein this first surface comprises one first edge, a lateral section adjacent with this first edge of this substrate and partly around a body part of this lateral section, and this Department of Radiation is arranged on this lateral section.This grounding parts is arranged on this body part, and comprise one four angle position adjacent with this first edge of this substrate, one five angle position adjacent with this first edge of this substrate, with one second short-circuit end apart of one first distance and the 4th angle position, between the 4th angle position and this second short-circuit end partly around one first edge of this Department of Radiation and between the 5th angle position and this second short-circuit end partly around one second edge of this Department of Radiation.This short-circuit conductor portion extends to this first short-circuit end from this second short-circuit end on this lateral section, and comprise one the 6th angle position, the body between this second short-circuit end and the 6th angle position, one second bearing of trend from the 6th angle position to this first short-circuit end, wherein this body comprise one first edge, at one second edge on this opposite, the first edge of this body and there is the longitudinal axis of a y direction, and this longitudinal axis is by this second short-circuit end.This is fed to connecting portion and is electrically connected on this feed terminal.This first gap structure is arranged between this first edge, this short-circuit conductor portion and this shared conductor branch path of this grounding parts.This Second gap structure is arranged between this second edge of this short-circuit conductor portion, this Department of Radiation and this grounding parts.
10. according to the antenna structure described in embodiment 8 to 9, wherein: this Department of Radiation, this grounding parts and this short-circuit conductor portion are coplanar; This of this grounding parts the second edge comprises one first sub-edge as a bottom stratum, as one second sub-edge of intermediate strata, at one the 3rd sub-edge between the 5th angle position and this first sub-edge, at one the 4th sub-edge between this first sub-edge and this second sub-edge and one the 5th sub-edge between this second short-circuit end and this second sub-edge; This Second gap structure comprises one first space, a Second gap, one the 3rd space and one the 4th space; This first space is arranged between this short-circuit conductor portion, this first conductor branch path, this first sub-edge, the 4th sub-edge, this second sub-edge and the 5th sub-edge; This Second gap is arranged between this first conductor branch path and this second conductor branch path; The 3rd space is arranged between the 4th sub cost sum the 3rd sub-edge; The 4th space is arranged between this second extension and this first sub-edge; Between this first edge of this of this body the first edge and this substrate, comprise a second distance; Between this of this body the second edge and this second sub-edge, comprise one the 3rd distance; Between this feed terminal and the 4th sub-edge, comprise one the 4th distance; Between this second edge in this first conductor branch path and this first sub-edge, comprise one the 5th distance; Between this first edge of this first terminal position and the 4th subpath, comprise one the 6th distance; Between this first edge in this first conductor branch path and this second edge of the 3rd subpath, comprise one the 7th distance; Between this first edge of the 3rd subpath and this second edge of this second subpath, comprise one the 8th distance; Between this second edge of this second terminal location and this first subpath, comprise one the 9th distance; Between this second edge of the 4th subpath and the 3rd sub-edge, comprise 1 the tenth distance; Between this second edge in this third terminal position and this first conductor branch path, comprise 1 the 11 distance; Between this feed terminal and this longitudinal axis, comprise 1 the 12 distance; Between this y direction and this first bearing of trend, comprise one second angle; Between this y direction and this second bearing of trend, comprise one the 3rd angle; This three operational frequency bands is respectively one first operational frequency bands, one second operational frequency bands and one the 3rd operational frequency bands; This antenna structure utilize this first, this second and the 3rd conductor branch path form respectively this first, this second and the 3rd operational frequency bands; The 6th distance is that changeable to make this first operational frequency bands be movably; The 9th distance is that changeable to make this second operational frequency bands be movably; The 11 distance is that changeable to make the 3rd operational frequency bands be movably; And this second distance, the 3rd distance, the 4th distance, the 5th distance, the 7th distance, the 8th distance, the tenth distance, the 12 distance, this second angle and the 3rd angle at least one of them is that changeable this antenna structure that makes has a desired impedance matching.
As described above is only the application's preferred embodiment, and all those skilled in the art modify or change in the equivalence of being done according to the application's spirit, all should be covered by within the scope of following claim.
Primary clustering symbol description
20 ︰ antenna structures
21 ︰ substrates
211 ︰ surfaces
2111 ︰ lateral sections
2112 ︰ body parts
22 ︰ grounding parts
23 ︰ short-circuit conductor portions
231 ︰ bodies
232 ︰ extensions
23A, 31A, 34A ︰ bearing of trend
23B ︰ is oblique
24,25 ︰ gap structures
251,252,253,254 ︰ spaces
26 ︰ are fed to connecting portion
28 ︰ conductor structures
30 ︰ Departments of Radiation
31,32,33 ︰ conductor branch paths
31D, 32D, 33D ︰ prime direction
321,331 ︰ extensions
3211,3311,342,343 ︰ subpaths
34 ︰ share conductor branch path
The initial extension of 341 ︰
3411,3412 ︰ sides
35 ︰ feed terminal
AG1, AG2, AG3, AG4, AG5: angle
The AX1 ︰ longitudinal axis
AX1A ︰ y direction
CP1, CP2, CP3, CP4, CP5, CP6: angle position
DR1 ︰ angle
DT11, DT12, DT13, DT14, DT15, DT16, DT17, DT18, DT19, DT20, DT21, DT22: distance
EA1, EA2, EB1, EB2, EC1, EC2, ED1, ED2, EE1, EE2, EF1, EG1, EG2, EH1, EH2, EK1, EK2: edge
EG21, EG22, EG23, EG24, EG25 ︰ edge
FB1, FB2, FB3 ︰ operational frequency bands
The HC1 ︰ centre of form
LT1, LT2, LT3, LT4 ︰ length
ND1 ︰ node
QC1 ︰ shared region
R1 ︰ impedance
SC1, SC2 ︰ short-circuit end
TP1, TP2, TP3 ︰ terminal location
Claims (10)
1. an antenna structure with three operational frequency bands, comprises a Department of Radiation, and wherein this Department of Radiation comprises:
The first conductor branch path;
The second conductor branch path, is electrically connected on this first conductor branch path; And
The 3rd conductor branch path, comprises extra the first extension of extending from this second conductor branch path, wherein:
This second and the first in the 3rd conductor branch path this first, the longest path in this second and the 3rd conductor branch path;
This longest path comprises and covers its more than 1/3rd shared region; And
This shared region is shared in this second conductor branch path and the 3rd conductor branch path.
2. antenna structure as claimed in claim 1, wherein:
This Department of Radiation also comprises feed terminal;
Between this second conductor branch path and the 3rd conductor branch path, comprise the shared conductor branch path with this shared region;
This first conductor branch path directly extends to first terminal position from this feed terminal, and also comprises the first edge and at second edge on this opposite, the first edge in this first conductor branch path;
This shared conductor branch path directly extends to node from this feed terminal, and also comprises initial extension, the first angle position, the first bearing of trend from this feed terminal to this first angle position, the first subpath this initial extension and this first angle position and the second subpath between this first angle position and this node;
This initial extension comprises with respect to the first side of this feed terminal with in the second side on this opposite, first side, and this first side is coupled in this first conductor branch path, and this second side comprises the first short-circuit end;
This first subpath comprises the first edge and at second edge on this opposite, the first edge of this first subpath;
This second subpath comprises the first edge and at second edge on this opposite, the first edge of this second subpath;
This second conductor branch path also comprise this shared conductor branch path and certainly this node extend to the second extension of the second terminal location;
This first extension comprises the second angle position, the 3rd subpath between this second angle position and this second terminal location;
The 3rd subpath comprises the first edge and at second edge on this opposite, the first edge of the 3rd subpath;
The 3rd conductor branch path also comprise this shared conductor branch path and certainly this node extend to this first extension of third terminal position;
This second extension comprises method of three turning angles position, the 4th subpath between this method of three turning angles position and this third terminal position;
The 4th subpath comprises the first edge and at second edge on this opposite, the first edge of the 4th subpath; And
This three conductor branch path is positioned at the same side of this feed terminal and has respectively three prime directions, and the first angle between any two directions is less than 90 degree in this three prime direction.
3. antenna structure as claimed in claim 2, also comprises:
Substrate, comprises first surface, and wherein this first surface comprises the first edge, the lateral section adjacent with this first edge of this substrate and partly around the body part of this lateral section, and this Department of Radiation is arranged on this lateral section;
Grounding parts, be arranged on this body part, and comprise four angle position adjacent with this first edge of this substrate, five angle position adjacent with this first edge of this substrate, with the second short-circuit end apart of the first distance and the 4th angle position, between the 4th angle position and this second short-circuit end partly around the first edge of this Department of Radiation and between the 5th angle position and this second short-circuit end partly around the second edge of this Department of Radiation;
Short-circuit conductor portion, on this lateral section, from this second short-circuit end, extend to this first short-circuit end, and comprise the 6th angle position, the body between this second short-circuit end and the 6th angle position, the second bearing of trend from the 6th angle position to this first short-circuit end, wherein this body comprise the first edge, at second edge on this opposite, the first edge of this body and there is the longitudinal axis of y direction, and this longitudinal axis is by this second short-circuit end;
Be fed to connecting portion, be electrically connected on this feed terminal;
The first gap structure, is arranged between this first edge, this short-circuit conductor portion and this shared conductor branch path of this grounding parts; And
Second gap structure, is arranged between this second edge of this short-circuit conductor portion, this Department of Radiation and this grounding parts.
4. antenna structure as claimed in claim 3, wherein:
This Department of Radiation, this grounding parts and this short-circuit conductor portion are coplanar;
This of this grounding parts the second edge comprises the first sub-edge as bottom stratum, as the second sub-edge of intermediate strata, at the 3rd sub-edge between the 5th angle position and this first sub-edge, at the 4th sub-edge between this first sub-edge and this second sub-edge and the 5th sub-edge between this second short-circuit end and this second sub-edge;
This Second gap structure comprises the first space, Second gap, the 3rd space and the 4th space;
This first space is arranged between this short-circuit conductor portion, this first conductor branch path, this first sub-edge, the 4th sub-edge, this second sub-edge and the 5th sub-edge;
This Second gap is arranged between this first conductor branch path and this second conductor branch path;
The 3rd space is arranged between the 4th sub cost sum the 3rd sub-edge;
The 4th space is arranged between this second extension and this first sub-edge;
Between this first edge of this of this body the first edge and this substrate, comprise second distance;
Between this of this body the second edge and this second sub-edge, comprise the 3rd distance;
Between this feed terminal and the 4th sub-edge, comprise the 4th distance;
Between this second edge in this first conductor branch path and this first sub-edge, comprise the 5th distance;
Between this first edge of this first terminal position and the 4th subpath, comprise the 6th distance;
Between this first edge in this first conductor branch path and this second edge of the 3rd subpath, comprise the 7th distance;
Between this first edge of the 3rd subpath and this second edge of this second subpath, comprise the 8th distance;
Between this second edge of this second terminal location and this first subpath, comprise the 9th distance;
Between this second edge of the 4th subpath and the 3rd sub-edge, comprise the tenth distance;
Between this second edge in this third terminal position and this first conductor branch path, comprise the 11 distance;
Between this feed terminal and this longitudinal axis, comprise the 12 distance;
Between this y direction and this first bearing of trend, comprise the second angle;
Between this y direction and this second bearing of trend, comprise the 3rd angle;
This three operational frequency bands is respectively the first operational frequency bands, the second operational frequency bands and the 3rd operational frequency bands;
This antenna structure utilize this first, this second and the 3rd conductor branch path form respectively this first, this second and the 3rd operational frequency bands;
The 6th distance is that changeable to make this first operational frequency bands be movably;
The 9th distance is that changeable to make this second operational frequency bands be movably;
The 11 distance is that changeable to make the 3rd operational frequency bands be movably; And
This second distance, the 3rd distance, the 4th distance, the 5th distance, the 7th distance, the 8th distance, the tenth distance, the 12 distance, this second angle and the 3rd angle at least one of them is that changeable this antenna structure that makes has desired impedance matching.
5. manufacture has a method for the antenna structure of three operational frequency bands, and the method comprises the following step:
Substrate is provided;
On this substrate, form grounding parts and have the Department of Radiation in three conductor branch paths, wherein the part in one of this three conductor branch path has bearing of trend;
Between this grounding parts and this Department of Radiation, short-circuit conductor portion is set, wherein this short-circuit conductor portion comprises and has the body of the longitudinal axis and this body is toward the extension of the first oblique extension certainly, and this first oblique and this bearing of trend are positioned at the not homonymy of this longitudinal axis; And
Determine this first oblique and this bearing of trend at least both one of with respect to the relation of this longitudinal axis, and make this antenna structure there is desired impedance matching.
6. method as claimed in claim 5, wherein:
This Department of Radiation also comprises feed terminal and the centre of form;
This three conductor branch path is respectively the first conductor branch path, the second conductor branch path and the 3rd conductor branch path;
This first conductor branch path directly extends to first terminal position from this feed terminal, and comprises the outer ledge with respect to this centre of form;
Between this second conductor branch path and the 3rd conductor branch path, comprise and share conductor branch path;
This shared conductor branch path directly extends to node from this feed terminal, and also comprises initial extension, the first angle position and the first subpath between this initial extension and this first angle position;
This first subpath comprises the first inside edge with respect to this centre of form;
This second conductor branch path comprise this shared conductor branch path and certainly this node extend to the first extension of the second terminal location;
This first extension comprises the second angle position;
The 3rd conductor branch path comprise this shared conductor branch path and certainly this node extend to the second extension of third terminal position;
This second extension comprises method of three turning angles position and the second subpath between this method of three turning angles position and this third terminal position;
This second subpath comprises the second inside edge with respect to this centre of form;
Between this first terminal position and this second inside edge, comprise the first vertical range;
Between this second terminal location and this first inside edge, comprise the second vertical range;
Between this third terminal position and this outer ledge, comprise the 3rd vertical range; And
This three operational frequency bands is respectively the first operational frequency bands, the second operational frequency bands and the 3rd operational frequency bands.
7. method as claimed in claim 6, also comprises the following step:
Utilize this first, this second and the 3rd conductor branch path form respectively this first, this second and the 3rd operational frequency bands;
Via determining this first vertical range, determine this first operational frequency bands;
Via determining this second vertical range, determine this second operational frequency bands; And
Via determining the 3rd vertical range, determine the 3rd operational frequency bands.
8. an antenna structure with three operational frequency bands, comprises:
Department of Radiation, comprise feed terminal and this feed terminal is directly extended certainly three conductor branch paths, this three conductor branch path is positioned at the homonymy of this feed terminal and has respectively three prime directions, and the first angle between any two directions is less than 90 degree in this three prime direction.
9. antenna structure as claimed in claim 8, wherein:
This three conductor branch path is respectively the first conductor branch path, the second conductor branch path and the 3rd conductor branch path;
This first conductor branch path directly extends to first terminal position from this feed terminal, and comprises the first edge and at second edge on this opposite, the first edge in this first conductor branch path;
This second conductor branch path is electrically connected on this first conductor branch path;
This second and the first in the 3rd conductor branch path this first, the longest path in this second and the 3rd conductor branch path;
This longest path comprises and covers its more than 1/3rd shared region;
This shared region is shared in this second conductor branch path and the 3rd conductor branch path;
Between this second conductor branch path and the 3rd conductor branch path, comprise the shared conductor branch path with this shared region;
This shared conductor branch path directly extends to node from this feed terminal, and also comprises initial extension, the first angle position, the first bearing of trend from this feed terminal to this first angle position, the first subpath this initial extension and this first angle position and the second subpath between this first angle position and this node;
This initial extension comprises with respect to the first side of this feed terminal with in the second side on this opposite, first side, and this first side is coupled in this first conductor branch path, and this second side comprises the first short-circuit end;
This first subpath comprises the first edge and at second edge on this opposite, the first edge of this first subpath;
This second subpath comprises the first edge and at second edge on this opposite, the first edge of this second subpath;
This second conductor branch path also comprise this shared conductor branch path and certainly this node extend to the first extension of the second terminal location;
This first extension comprises the second angle position, the 3rd subpath between this second angle position and this second terminal location;
The 3rd subpath comprises the first edge and at second edge on this opposite, the first edge of the 3rd subpath;
The 3rd conductor branch path also comprise this shared conductor branch path and certainly this node extend to the second extension of third terminal position;
This second extension comprises method of three turning angles position, the 4th subpath between this method of three turning angles position and this third terminal position;
The 4th subpath comprises the first edge and at second edge on this opposite, the first edge of the 4th subpath; And
This antenna structure also comprises:
Substrate, comprises first surface, and wherein this first surface comprises the first edge, the lateral section adjacent with this first edge of this substrate and partly around the body part of this lateral section, and this Department of Radiation is arranged on this lateral section;
Grounding parts, be arranged on this body part, and comprise four angle position adjacent with this first edge of this substrate, five angle position adjacent with this first edge of this substrate, with the second short-circuit end apart of the first distance and the 4th angle position, between the 4th angle position and this second short-circuit end partly around the first edge of this Department of Radiation and between the 5th angle position and this second short-circuit end partly around the second edge of this Department of Radiation;
Short-circuit conductor portion, on this lateral section, from this second short-circuit end, extend to this first short-circuit end, and comprise the 6th angle position, the body between this second short-circuit end and the 6th angle position, the second bearing of trend from the 6th angle position to this first short-circuit end, wherein this body comprise the first edge, at second edge on this opposite, the first edge of this body and there is the longitudinal axis of y direction, and this longitudinal axis is by this second short-circuit end;
Be fed to connecting portion, be electrically connected on this feed terminal;
The first gap structure, is arranged between this first edge, this short-circuit conductor portion and this shared conductor branch path of this grounding parts; And
Second gap structure, is arranged between this second edge of this short-circuit conductor portion, this Department of Radiation and this grounding parts.
10. antenna structure as claimed in claim 9, wherein:
This Department of Radiation, this grounding parts and this short-circuit conductor portion are coplanar;
This of this grounding parts the second edge comprises the first sub-edge as bottom stratum, as the second sub-edge of intermediate strata, at the 3rd sub-edge between the 5th angle position and this first sub-edge, at the 4th sub-edge between this first sub-edge and this second sub-edge and the 5th sub-edge between this second short-circuit end and this second sub-edge;
This Second gap structure comprises the first space, Second gap, the 3rd space and the 4th space;
This first space is arranged between this short-circuit conductor portion, this first conductor branch path, this first sub-edge, the 4th sub-edge, this second sub-edge and the 5th sub-edge;
This Second gap is arranged between this first conductor branch path and this second conductor branch path;
The 3rd space is arranged between the 4th sub cost sum the 3rd sub-edge;
The 4th space is arranged between this second extension and this first sub-edge;
Between this first edge of this of this body the first edge and this substrate, comprise second distance;
Between this of this body the second edge and this second sub-edge, comprise the 3rd distance;
Between this feed terminal and the 4th sub-edge, comprise the 4th distance;
Between this second edge in this first conductor branch path and this first sub-edge, comprise the 5th distance;
Between this first edge of this first terminal position and the 4th subpath, comprise the 6th distance;
Between this first edge in this first conductor branch path and this second edge of the 3rd subpath, comprise the 7th distance;
Between this first edge of the 3rd subpath and this second edge of this second subpath, comprise the 8th distance;
Between this second edge of this second terminal location and this first subpath, comprise the 9th distance;
Between this second edge of the 4th subpath and the 3rd sub-edge, comprise the tenth distance;
Between this second edge in this third terminal position and this first conductor branch path, comprise the 11 distance;
Between this feed terminal and this longitudinal axis, comprise the 12 distance;
Between this y direction and this first bearing of trend, comprise the second angle;
Between this y direction and this second bearing of trend, comprise the 3rd angle;
This three operational frequency bands is respectively the first operational frequency bands, the second operational frequency bands and the 3rd operational frequency bands;
This antenna structure utilize this first, this second and the 3rd conductor branch path form respectively this first, this second and the 3rd operational frequency bands;
The 6th distance is that changeable to make this first operational frequency bands be movably;
The 9th distance is that changeable to make this second operational frequency bands be movably;
The 11 distance is that changeable to make the 3rd operational frequency bands be movably; And
This second distance, the 3rd distance, the 4th distance, the 5th distance, the 7th distance, the 8th distance, the tenth distance, the 12 distance, this second angle and the 3rd angle at least one of them is that changeable this antenna structure that makes has desired impedance matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210344175.5A CN103682638B (en) | 2012-09-17 | 2012-09-17 | There is antenna structure and the manufacture method thereof of three operational frequency bands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210344175.5A CN103682638B (en) | 2012-09-17 | 2012-09-17 | There is antenna structure and the manufacture method thereof of three operational frequency bands |
Publications (2)
| Publication Number | Publication Date |
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| CN103682638A true CN103682638A (en) | 2014-03-26 |
| CN103682638B CN103682638B (en) | 2016-10-05 |
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Citations (6)
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|---|---|---|---|---|
| US20040104853A1 (en) * | 2002-12-02 | 2004-06-03 | Po-Chao Chen | Flat and leveled F antenna |
| CN1551411A (en) * | 2003-05-14 | 2004-12-01 | ��Ѷ�о�����˾ | Antenna with multiple-band patch and slot structures |
| CN1812193A (en) * | 2005-01-25 | 2006-08-02 | 连展科技（深圳）有限公司 | Inverted-F antenna with double-branch, short-circuit structure |
| CN2906951Y (en) * | 2006-04-27 | 2007-05-30 | 汉达精密电子(昆山)有限公司 | Tri-frequency PCB antenna using circular column type oscillator |
| WO2012050704A1 (en) * | 2010-09-29 | 2012-04-19 | Qualcomm Incorporated | Multiband antenna for a mobile device |
| CN202259690U (en) * | 2011-10-25 | 2012-05-30 | 启碁科技股份有限公司 | Broadband antenna |
-
2012
- 2012-09-17 CN CN201210344175.5A patent/CN103682638B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040104853A1 (en) * | 2002-12-02 | 2004-06-03 | Po-Chao Chen | Flat and leveled F antenna |
| CN1551411A (en) * | 2003-05-14 | 2004-12-01 | ��Ѷ�о�����˾ | Antenna with multiple-band patch and slot structures |
| CN1812193A (en) * | 2005-01-25 | 2006-08-02 | 连展科技（深圳）有限公司 | Inverted-F antenna with double-branch, short-circuit structure |
| CN2906951Y (en) * | 2006-04-27 | 2007-05-30 | 汉达精密电子(昆山)有限公司 | Tri-frequency PCB antenna using circular column type oscillator |
| WO2012050704A1 (en) * | 2010-09-29 | 2012-04-19 | Qualcomm Incorporated | Multiband antenna for a mobile device |
| CN202259690U (en) * | 2011-10-25 | 2012-05-30 | 启碁科技股份有限公司 | Broadband antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103682638B (en) | 2016-10-05 |
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