CN101997168A - Double-frequency and dual-antenna structure - Google Patents
Double-frequency and dual-antenna structure Download PDFInfo
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- CN101997168A CN101997168A CN2009101693641A CN200910169364A CN101997168A CN 101997168 A CN101997168 A CN 101997168A CN 2009101693641 A CN2009101693641 A CN 2009101693641A CN 200910169364 A CN200910169364 A CN 200910169364A CN 101997168 A CN101997168 A CN 101997168A
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Abstract
The invention relates to a double-frequency and dual-antenna structure, which comprises a substrate, a first antenna and a second antenna, wherein the substrate comprises a first signal transmission layer and a second signal transmission layer which is not coplanar with the first signal transmission layer; the first antenna is arranged on the first signal transmission layer and comprises a first U-shaped radiation assembly and a first polygon radiation assembly; the first polygon radiation assembly is arranged in an opening of the first U-shaped radiation assembly; the second antenna is arranged on the second signal transmission layer and is not superposed with the first antenna; the second antenna comprises a second U-shaped radiation assembly and a second polygon radiation assembly; and the second polygon radiation assembly is arranged in an opening of the second U-shaped radiation assembly.
Description
Technical field
The invention relates to a kind of antenna, and particularly relevant for a kind of double frequency double-antenna structure.
Background technology
Along with the progress of computer and wireless communication technology, (Wireless Area Network WLAN) little by little is widely used in the daily life WLAN.It is at present many that electronic installation can both (Universal Serial Bus, USB) wireless network card be connected to WLAN by USB.
Yet WLAN is along with the difference of wireless network standards specification at present, and its pairing operational frequency bands is also inequality.So the USB wireless network card how the dual operation frequency band is provided will be a considerable problem.Moreover present electronic installation is many towards light, thin, short, little designs, and therefore, the area of USB wireless network card also is limited to the size as USB is carry-on as coiling.In the case, the antenna that is disposed at USB wireless network card inside also will be limited in certain scope, be restricted but can make antenna get operational frequency bands.
Summary of the invention
The present invention is about a kind of double frequency double-antenna structure, and it comprises following advantage at least:
One, can provide the dual operation frequency band;
Two, can be applied to WLAN;
Three, reduce antenna shared area on substrate, meet the requirement of electronic installation volume-diminished now; And
Four, the area that takies owing to antenna diminishes, so the difficulty of circuit layout will reduce relatively.
According to an aspect of the present invention, a kind of double frequency double-antenna structure is proposed.The double frequency double-antenna structure comprises substrate, first antenna and second antenna.Substrate comprise the first signal transport layer and not with the secondary signal transport layer of the first signal transport layer coplane.
First antenna is arranged at the first signal transport layer, and comprises the first U-shaped radiation assembly and the first polygon radiation assembly.The first U-shaped radiation assembly comprises the first banded Department of Radiation, the second banded Department of Radiation and the 3rd banded Department of Radiation.One end of the second banded Department of Radiation is connected to an end of the first banded Department of Radiation, to form first right angle.One end of the 3rd banded Department of Radiation is connected to the other end of the second banded Department of Radiation, to form second right angle.The length of the first banded Department of Radiation is greater than the length of the 3rd banded Department of Radiation, and the first banded Department of Radiation, the second banded Department of Radiation and the 3rd banded Department of Radiation form first opening that is oppositely arranged with the second banded Department of Radiation.The first polygon radiation assembly is arranged in first opening, and comprises first side and second side.The first side is relative with first right angle, and an end of first side is connected to the other end of the 3rd banded Department of Radiation, and the edge that above-mentioned first side connects the 3rd banded Department of Radiation forms first obtuse angle towards first opening.The second side is parallel to the first banded Department of Radiation, and an end of second side is connected to the other end of first side.Wherein the first U-shaped radiation assembly operates in first frequency band, and the first polygon radiation assembly operates in second frequency band, and the frequency of second frequency band is greater than the frequency of first frequency band.
Second antenna is arranged at the secondary signal transport layer, and not with first antenna overlapping.Second antenna comprises the second U-shaped radiation assembly and the second polygon radiation assembly.The second U-shaped radiation assembly comprises four-tape shape Department of Radiation, the 5th banded Department of Radiation and the 6th banded Department of Radiation.One end of the 5th banded Department of Radiation is connected to an end of four-tape shape Department of Radiation, to form the 3rd right angle.One end of the 6th banded Department of Radiation is connected to the other end of the 5th banded Department of Radiation, to form the 4th right angle, the length of four-tape shape Department of Radiation is greater than the length of the 6th banded Department of Radiation, and four-tape shape Department of Radiation, the 5th banded Department of Radiation and the 6th banded Department of Radiation form second opening that is oppositely arranged with the 5th banded Department of Radiation.The second polygon radiation assembly is arranged in second opening, and comprises the 3rd side and four side.The 3rd side is relative with the 3rd right angle, and an end of the 3rd side is connected to the other end of the 6th banded Department of Radiation, and the edge that above-mentioned the 3rd side connects the 6th banded Department of Radiation forms second obtuse angle towards second opening.Four side is parallel to four-tape shape Department of Radiation, and an end of four side is connected to the other end of the 3rd side.Wherein, the second U-shaped radiation assembly operates in the 3rd frequency band, the second polygon radiation assembly operates in the 4th frequency band, the frequency of the 4th frequency band is greater than the frequency of the 3rd frequency band.
Preferably, first antenna and second antenna are arranged at the first signal transport layer and secondary signal transport layer respectively with overlap mode not.
Preferably, first antenna and second antenna can be arranged at the first signal transport layer and secondary signal transport layer respectively for the equal proportion symmetry, this moment, first frequency band equaled the 3rd frequency band, and second frequency band equals the 4th frequency band, made double frequency double-antenna structure of the present invention obtain preferable antenna transmission characteristic.
The disclosed double frequency double-antenna structure of the above embodiment of the present invention has multiple advantages, below only enumerates the part advantage and is described as follows:
One, can provide the dual operation frequency band;
Two, can be applied to WLAN;
Three, reduce antenna shared area on substrate, meet the requirement of electronic installation volume-diminished now; And
Four, the area that takies owing to antenna diminishes, so the difficulty of circuit layout will reduce relatively.
For foregoing of the present invention can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
Description of drawings
Figure 1 shows that vertical view according to the double frequency double-antenna structure of first embodiment of the invention.
Figure 2 shows that upward view according to the double frequency double-antenna structure of first embodiment of the invention.
Figure 3 shows that vertical view according to the double frequency double-antenna structure of second embodiment of the invention.
Figure 4 shows that upward view according to the double frequency double-antenna structure of second embodiment of the invention.
Figure 5 shows that the survey map of the voltage standing wave ratio of antenna 120.
Figure 6 shows that the survey map of the voltage standing wave ratio of antenna 130.
Figure 7 shows that the schematic diagram of double frequency double-antenna structure under first placement state.
Figure 8 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 2.4GHz.
Figure 9 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 2.45GHz.
Figure 10 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 2.5GHz.
Figure 11 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 4.9GHz.
Figure 12 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 5.15GHz.
Figure 13 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 5.25GHz.
Figure 14 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 5.35GHz.
Figure 15 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 5.45GHz.
Figure 16 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 5.75GHz.
Figure 17 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 5.85GHz.
Figure 18 shows that the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 2.4GHz.
Figure 19 shows that the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 2.45GHz.
Figure 20 shows that the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 2.5GHz.
Shown in Figure 21ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 4.9GHz.
Shown in Figure 22ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.15GHz.
Shown in Figure 23ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.25GHz.
Shown in Figure 24ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.35GHz.
Shown in Figure 25ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.45GHz.
Shown in Figure 26ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.75GHz.
Shown in Figure 27ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.85GHz.
Shown in Figure 28 is the schematic diagram of double frequency double-antenna structure under second placement state.
Shown in Figure 29ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 2.4GHz.
Shown in Figure 30ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 2.45GHz.
Shown in Figure 31ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 2.5GHz.
Shown in Figure 32ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 4.9GHz.
Shown in Figure 33ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.15GHz.
Shown in Figure 34ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.25GHz.
Shown in Figure 35ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.35GHz.
Shown in Figure 36ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.45GHz.
Shown in Figure 37ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.75GHz.
Shown in Figure 38ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.85GHz.
Shown in Figure 39ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 2.4GHz.
Shown in Figure 40ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 2.45GHz.
Shown in Figure 41ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 2.5GHz.
Shown in Figure 42ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 4.9GHz.
Shown in Figure 43ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.15GHz.
Shown in Figure 44ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.25GHz.
Shown in Figure 45ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.35GHz.
Shown in Figure 46ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.45GHz.
Shown in Figure 47ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.75GHz.
Shown in Figure 48ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.85GHz.
Shown in Figure 49 is the schematic diagram of double frequency double-antenna structure under the 3rd placement state.
Shown in Figure 50ly be the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 2.4GHz.
Figure 51 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 2.45GHz.
Figure 52 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 2.5GHz.
Figure 53 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 4.9GHz.
Figure 54 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.15GHz.
Figure 55 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.25GHz.
Figure 56 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.35GHz.
Figure 57 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.45GHz.
Figure 58 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.75GHz.
Figure 59 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.85GHz.
Figure 60 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 2.4GHz.
Figure 61 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 2.45GHz.
Figure 62 is depicted as the antenna patterns illustrated figure of antenna 1 30 under the 3rd placement state and when operating in 2.5GHz.
Figure 63 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 4.9GHz.
Figure 64 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.15GHz.
Figure 65 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.25GHz.
Figure 66 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.35GHz.
Figure 67 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.45GHz.
Figure 68 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.75GHz.
Figure 69 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.85GHz.
Please refer to Figure 70, it is depicted as antenna 120 and antenna 130 when first placement state, second placement state and the 3rd placement state, the tabulation of peak gain and average gain.
The primary clustering symbol description
10: the double frequency double-antenna structure
110: substrate
112,114: the signal transport layer
120,130: antenna
122,132:U shape radiation assembly
124,134,224,234: the polygon radiation assembly
1222,1224,1226,1322,1324,1326: banded Department of Radiation
1241~1245,1341~1345: side
θ a, θ b: obtuse angle
Embodiment
Because radio communication device all develops towards light, thin, short, little direction at present, so how to satisfy under the prerequisite of above-mentioned requirements, designing the less dual-band antenna of volume is a major challenge of current Antenna Design.So the present invention proposes a kind of double frequency double-antenna structure.The double frequency double-antenna structure comprises substrate, first antenna and second antenna.Substrate comprise the first signal transport layer and not with the secondary signal transport layer of the first signal transport layer coplane.
For conveniently illustrating further principal character of the present invention, be described as follows with several embodiment below:
First embodiment
Please Figure 1 shows that vertical view simultaneously with reference to Fig. 1 and Fig. 2, Figure 2 shows that upward view according to the double frequency double-antenna structure of first embodiment of the invention according to the double frequency double-antenna structure of first embodiment of the invention.Double frequency double-antenna structure 10 for example is used for radio communication device, and radio communication device for example is USB (Universal Serial Bus, USB) a double-frequency wireless network card.Double frequency double-antenna structure 10 comprises substrate 110, antenna 120 and antenna 130.The area of antenna 120 and antenna 130 is for example preferably less than 10mm * 10mm.Substrate 110 comprise signal transport layer 112 and not with the signal transport layer 114 of signal transport layer 112 coplanes.Wherein, the area of substrate 110 for example with carry-on dish big or small identical of USB.In first embodiment, signal transport layer 112 is positioned at the upper surface of substrate 110, and signal transport layer 114 is positioned at the lower surface of substrate 110.
Antenna 120 is arranged at signal transport layer 112, and comprises U-shaped radiation assembly 122 and polygon radiation assembly 124.In first embodiment, polygon radiation assembly 124 is to represent with a convex quadrangle.U-shaped radiation assembly 122 operates in first frequency band, and first frequency band for example is 2.4 to 2.5GHz.Polygon radiation assembly 124 is in order to operate in second frequency band, and the frequency of second frequency band is greater than the frequency of first frequency band, and second frequency band for example is 4.9GHz to 5.85GHz.Form a L like shape slit between U-shaped radiation assembly 122 and the polygon radiation assembly 124.U-shaped radiation assembly 122 comprises banded Department of Radiation 1222, banded Department of Radiation 1224 and banded Department of Radiation 1226, and the length of banded Department of Radiation 1222 is greater than banded Department of Radiation 1226.One end of banded Department of Radiation 1224 is connected to an end of banded Department of Radiation 1222, to form right angle θ 1.One end of banded Department of Radiation 1226 is connected to the other end of banded Department of Radiation 1224, to form right angle θ 2.Banded Department of Radiation 1222, banded Department of Radiation 1224 and banded Department of Radiation 1226 form one first opening.The first polygon radiation assembly 124 is arranged in this opening, and comprises side 1241 to 1244.Side 1241 is relative with right angle θ 1, and an end of side 1241 is connected to the other end of banded Department of Radiation 1226, and the edge that side 1241 connects banded Department of Radiation 1226 forms the obtuse angle θ a towards first opening.Side 1242 is parallel to banded Department of Radiation 1222, and an end of side 1242 is connected to the other end of side 1241.Side 1243 is parallel to banded Department of Radiation 1224, and an end of side 1243 is connected to the other end of side 1242.Side 1244 is with respect to right angle θ 2, and an end of side 1244 is connected to the other end of side 1243, and the other end of side 1244 is connected to an end of side 1241, so that polygon radiation assembly 124 forms a convex quadrangle.
Antenna 130 is arranged at signal transport layer 114, and not overlapping about in the of 120 with antenna.Antenna 130 comprises U-shaped radiation assembly 132 and polygon radiation assembly 134.In first embodiment, polygon radiation assembly 134 is to represent with a convex quadrangle.U-shaped radiation assembly 132 operates in the 3rd frequency band, and the 3rd frequency band for example is 2.4 to 2.5GHz.Polygon radiation assembly 134 operates in the 4th frequency band, and the frequency of the 4th frequency band is greater than the frequency of the 3rd frequency band, and the 4th frequency band for example is 4.9GHz to 5.85GHz.Form a L like shape slit between U-shaped radiation assembly 132 and the polygon radiation assembly 134.U-shaped radiation assembly 132 comprises banded Department of Radiation 1322, banded Department of Radiation 1324 and banded Department of Radiation 1326, and the length of banded Department of Radiation 1322 is greater than banded Department of Radiation 1326.One end of banded Department of Radiation 1324 is connected to an end of banded Department of Radiation 1322, to form right angle θ 3.One end of banded Department of Radiation 1326 is connected to the other end of banded Department of Radiation 1324, to form right angle θ 4.Banded Department of Radiation 1322, banded Department of Radiation 1324 and banded Department of Radiation 1326 form one second opening.Polygon radiation assembly 134 is arranged in this second opening, and comprises side 1341 to 1344.Side 1341 is relative with right angle θ 3, and an end of side 1341 is connected to the other end of banded Department of Radiation 1326, and the edge that side 1341 connects banded Department of Radiation 1326 forms the obtuse angle θ b towards second opening.Side 1342 is parallel to banded Department of Radiation 1322, and an end of side 1342 is connected to the other end of side 1341.Side 1343 is parallel to banded Department of Radiation 1324, and an end of side 1343 is connected to the other end of side 1342.Side 1344 is with respect to right angle θ 4, and an end of side 1344 is connected to the other end of side 1343, and the other end system of side 1 344 is connected to an end of side 1341, so that polygon radiation assembly 134 forms a convex quadrangle.
Aforementioned antenna 120 or antenna 130 can preferably be arranged at the corner of substrate 110, and antenna 120 and antenna 130 are for equal proportion is symmetrical arranged, to avoid increasing the complexity of circuit layout.In addition, because antenna 120 and antenna 130 are arranged at not signal transport layer 112 and signal transport layer 114 and not overlapping up and down, the therefore coupling effect between energy suppressing antenna 120 and the antenna 130 of coplane respectively.
For further specifying the performance of double frequency double-antenna structure 10, followingly will further provide the network card of the USB double-frequency wireless with double frequency double-antenna structure 10, and provide the survey map of its voltage standing wave ratio and antenna patterns illustrated figure as follows;
Please be simultaneously with reference to Fig. 5 to Figure 69, Figure 5 shows that the survey map of the voltage standing wave ratio of antenna 120, Figure 6 shows that the survey map of the voltage standing wave ratio of antenna 130, Figure 7 shows that the schematic diagram of double frequency double-antenna structure under first placement state, Figure 8 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 2.4GHz, Figure 9 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 2.45GHz, Figure 10 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 2.5GHz, Figure 11 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 4.9GHz, Figure 12 shows that the antenna patterns illustrated figure of antenna 1 20 under first placement state and when operating in 5.15GHz, Figure 13 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 5.25GHz, Figure 14 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 5.35GHz, Figure 15 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 5.45GHz, Figure 16 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 5.75GHz, Figure 17 shows that the antenna patterns illustrated figure of antenna 120 under first placement state and when operating in 5.85GHz, Figure 18 shows that the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 2.4GHz, Figure 19 shows that the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 2.45GHz, Figure 20 shows that the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 2.5GHz, shown in Figure 21ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 4.9GHz, shown in Figure 22ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.15GHz, shown in Figure 23ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.25GHz, shown in Figure 24ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.35GHz, shown in Figure 25ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.45GHz, shown in Figure 26ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.75GHz, shown in Figure 27ly be the antenna patterns illustrated figure of antenna 130 under first placement state and when operating in 5.85GHz.
Shown in Figure 28 is the schematic diagram of double frequency double-antenna structure under second placement state, shown in Figure 29ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 2.4GHz, shown in Figure 30ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 2.45GHz, shown in Figure 31ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 2.5GHz, shown in Figure 32ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 4.9GHz, shown in Figure 33ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.15GHz, shown in Figure 34ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.25GHz, shown in Figure 35ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.35GHz, shown in Figure 36ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.45GHz, shown in Figure 37ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.75GHz, shown in Figure 38ly be the antenna patterns illustrated figure of antenna 120 under second placement state and when operating in 5.85GHz, shown in Figure 39ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 2.4GHz, shown in Figure 40ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 2.45GHz, shown in Figure 41ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 2.5GHz, shown in Figure 42ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 4.9GHz, shown in Figure 43ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.15GHz, shown in Figure 44ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.25GHz, shown in Figure 45ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.35GHz, shown in Figure 46ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.45GHz, shown in Figure 47ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.75GHz, shown in Figure 48ly be the antenna patterns illustrated figure of antenna 130 under second placement state and when operating in 5.85GHz.
Shown in Figure 49 is the schematic diagram of double frequency double-antenna structure under the 3rd placement state, shown in Figure 50ly be the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 2.4GHz, Figure 51 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 2.45GHz, Figure 52 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 2.5GHz, Figure 53 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 4.9GHz, Figure 54 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.15GHz, Figure 55 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.25GHz, Figure 56 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.35GHz, Figure 57 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.45GHz, Figure 58 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.75GHz, Figure 59 is depicted as the antenna patterns illustrated figure of antenna 120 under the 3rd placement state and when operating in 5.85GHz, Figure 60 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 2.4GHz, Figure 61 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 2.45GHz, Figure 62 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 2.5GHz, Figure 63 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 4.9GHz, Figure 64 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.15GHz, Figure 65 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.25GHz, Figure 66 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.35GHz, Figure 67 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.45GHz, Figure 68 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.75GHz, and Figure 69 is depicted as the antenna patterns illustrated figure of antenna 130 under the 3rd placement state and when operating in 5.85GHz.
Please refer to Figure 70, it is depicted as antenna 120 and antenna 130 when first placement state, second placement state and the 3rd placement state, the tabulation of peak gain and average gain.By above-mentioned Fig. 7 to Figure 69, can further put antenna 120 and antenna 130 in order when first placement state, second placement state and the 3rd placement state, corresponding peak gain (Peak Gain) and average gain (Average Gain) are shown in Figure 70.
Second embodiment
Please Figure 3 shows that vertical view simultaneously with reference to Fig. 3 and Fig. 4, Figure 4 shows that upward view according to the double frequency double-antenna structure of second embodiment of the invention according to the double frequency double-antenna structure of second embodiment of the invention.Double frequency double-antenna structure 20 is with double frequency double-antenna structure 10 differences: in a second embodiment, polygon radiation assembly 224 and polygon radiation assembly 234 are recessed pentagon.Form a U-shaped slit between U-shaped radiation assembly 122 and the polygon radiation assembly 224, and form a U-shaped slit between U-shaped radiation assembly 132 and the polygon radiation assembly 234.
In sum, though the present invention with a preferred embodiment openly as above, so it is not in order to limit the present invention.The persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (19)
1. double frequency double-antenna structure comprises:
One substrate comprises:
One first signal transport layer; And
One secondary signal transport layer is not with this first signal transport layer coplane;
One first antenna is arranged at this first signal transport layer, and this first antenna comprises:
One first U-shaped radiation assembly operates in one first frequency band, comprising:
One first banded Department of Radiation;
One second banded Department of Radiation, an end of this second banded Department of Radiation is connected to an end of this first banded Department of Radiation, to form one first right angle; And
One the 3rd banded Department of Radiation, an end of the 3rd banded Department of Radiation is connected to the other end of this second banded Department of Radiation, and to form one second right angle, this first banded Department of Radiation, this second banded Department of Radiation and the 3rd banded Department of Radiation form one first opening;
One first polygon radiation assembly operates in one second frequency band, be arranged in this first opening, and the frequency of this second frequency band is greater than the frequency of this first frequency band, and this first polygon radiation assembly comprises:
One first side, relative with this first right angle, and an end of this first side is connected to one first obtuse angle of the other end formation of the 3rd banded Department of Radiation towards this first opening; And
One second side be parallel to this first banded Department of Radiation, and an end of this second side is connected to the other end of this first side; And
One second antenna is arranged at this secondary signal transport layer, and not with this first antenna overlapping, this second antenna comprises:
One second U-shaped radiation assembly operates in one the 3rd frequency band, comprising:
One four-tape shape Department of Radiation;
One the 5th banded Department of Radiation, an end of the 5th banded Department of Radiation is connected to an end of this four-tape shape Department of Radiation, to form one the 3rd right angle; And
One the 6th banded Department of Radiation, an end of the 6th banded Department of Radiation is connected to the other end of the 5th banded Department of Radiation, and to form one the 4th right angle, this four-tape shape Department of Radiation, the 5th banded Department of Radiation and the 6th banded Department of Radiation form one second opening;
One second polygon radiation assembly operates in one the 4th frequency band, be arranged in this second opening, and the frequency of the 4th frequency band is greater than the frequency of the 3rd frequency band, and this second polygon radiation assembly comprises:
One the 3rd side, relative with the 3rd right angle, and an end of the 3rd side is connected to one second obtuse angle of the other end formation of the 6th banded Department of Radiation towards this second opening; And
One four side be parallel to this four-tape shape Department of Radiation, and an end of this four side is connected to the other end of the 3rd side.
2. double frequency double-antenna structure according to claim 1, wherein this first antenna is less than 10mm * 10mm.
3. double frequency double-antenna structure according to claim 1, wherein this second antenna is less than 10mm * 10mm.
4. double frequency double-antenna structure according to claim 1 wherein forms a L like shape slit between this first U-shaped radiation assembly and this first polygon radiation assembly.
5. double frequency double-antenna structure according to claim 1 wherein forms a L like shape slit between this second U-shaped radiation assembly and this second polygon radiation assembly.
6. double frequency double-antenna structure according to claim 1 wherein forms a U-shaped slit between this first U-shaped radiation assembly and this first polygon radiation assembly.
7. double frequency double-antenna structure according to claim 1 wherein forms a U-shaped slit between this second U-shaped radiation assembly and this second polygon radiation assembly.
8. double frequency double-antenna structure according to claim 1, wherein this first polygon radiation assembly also comprises:
One the 5th side be parallel to this second banded Department of Radiation, and an end of the 5th side is connected to the other end of this second side.
9. double frequency double-antenna structure according to claim 8, wherein this first polygon radiation assembly also comprises:
One the 6th side is with respect to this second right angle.
10. double frequency double-antenna structure according to claim 9, wherein an end of the 6th side is connected to an end of this first side.
11. double frequency double-antenna structure according to claim 9, wherein this first polygon radiation assembly also comprises:
One heptalateral limit is parallel to this second side, and an end on this heptalateral limit and the other end are connected to the other end of the 6th side and the other end of the 5th side respectively.
12. double frequency double-antenna structure according to claim 1, wherein this second polygon radiation assembly also comprises:
One the 5th side is parallel to the 5th banded Department of Radiation, and an end of the 5th side is connected to the other end of this four side.
13. double frequency double-antenna structure according to claim 12, wherein this second polygon radiation assembly also comprises:
One the 6th side is with respect to the 4th right angle.
14. double frequency double-antenna structure according to claim 13, wherein an end of the 6th side is connected to an end of the 3rd side.
15. double frequency double-antenna structure according to claim 13, wherein this second polygon radiation assembly also comprises:
One heptalateral limit is parallel to this four side, and an end on this heptalateral limit and the other end are connected to the other end of the 6th side and the other end of the 5th side respectively.
16. double frequency double-antenna structure according to claim 1, wherein the length of this first banded Department of Radiation is greater than the 3rd banded Department of Radiation.
17. double frequency double-antenna structure according to claim 1, wherein the length of this four-tape shape Department of Radiation is greater than the 6th banded Department of Radiation.
18. double frequency double-antenna structure according to claim 1, wherein this first antenna and this second antenna are for being symmetrical arranged.
19. double frequency double-antenna structure according to claim 1, wherein this first antenna and this second antenna are the equal proportion setting, and then this first frequency band equals the 3rd frequency band, and this second frequency band equals the 4th frequency band.
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CN2009101693641A CN101997168B (en) | 2009-08-26 | 2009-08-26 | Double-frequency and dual-antenna structure |
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CN2009101693641A CN101997168B (en) | 2009-08-26 | 2009-08-26 | Double-frequency and dual-antenna structure |
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CN101997168B CN101997168B (en) | 2013-08-21 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102881992A (en) * | 2011-07-12 | 2013-01-16 | 智易科技股份有限公司 | Inverted f antenna structure |
CN103545605A (en) * | 2012-07-12 | 2014-01-29 | 智易科技股份有限公司 | Broadband monopole antenna and electronic device |
TWI482364B (en) * | 2011-07-05 | 2015-04-21 | Arcadyan Technology Corp | Inverted F-type antenna structure |
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US20030080836A1 (en) * | 2001-10-25 | 2003-05-01 | Hitachi, Ltd. | High frequency circuit module |
CN101043101A (en) * | 2006-03-20 | 2007-09-26 | 松下电器产业株式会社 | Single feeder built-in multi-frequency band antenna for mobile communication terminal |
CN101060195A (en) * | 2006-04-21 | 2007-10-24 | 鸿富锦精密工业(深圳)有限公司 | Double-band printed antenna |
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2009
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20030080836A1 (en) * | 2001-10-25 | 2003-05-01 | Hitachi, Ltd. | High frequency circuit module |
CN101043101A (en) * | 2006-03-20 | 2007-09-26 | 松下电器产业株式会社 | Single feeder built-in multi-frequency band antenna for mobile communication terminal |
CN101060195A (en) * | 2006-04-21 | 2007-10-24 | 鸿富锦精密工业(深圳)有限公司 | Double-band printed antenna |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI482364B (en) * | 2011-07-05 | 2015-04-21 | Arcadyan Technology Corp | Inverted F-type antenna structure |
CN102881992A (en) * | 2011-07-12 | 2013-01-16 | 智易科技股份有限公司 | Inverted f antenna structure |
CN102881992B (en) * | 2011-07-12 | 2015-12-02 | 智易科技股份有限公司 | Inverted F shaped antenna structure |
CN103545605A (en) * | 2012-07-12 | 2014-01-29 | 智易科技股份有限公司 | Broadband monopole antenna and electronic device |
CN103545605B (en) * | 2012-07-12 | 2016-09-28 | 智易科技股份有限公司 | Broadband monopole antenna and electronic installation |
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CN101997168B (en) | 2013-08-21 |
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