CN101582532B - Antenna of coplanarity coupling type feed-in multi-frequency action communication device - Google Patents
Antenna of coplanarity coupling type feed-in multi-frequency action communication device Download PDFInfo
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- CN101582532B CN101582532B CN2008100969791A CN200810096979A CN101582532B CN 101582532 B CN101582532 B CN 101582532B CN 2008100969791 A CN2008100969791 A CN 2008100969791A CN 200810096979 A CN200810096979 A CN 200810096979A CN 101582532 B CN101582532 B CN 101582532B
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Abstract
The invention relates to an antenna of a coplanarity coupling type feed-in multi-frequency action communication device, mainly comprising a medium base plate, a grounding plane, a radiation part, a short-circuit metal part and a feed-in part, wherein the grounding plane is positioned on one surface of the medium base plate; the radiation part, the short-circuit metal part and the feed-in part are all positioned on the medium base plate, are on the same surface and are near one edge of the grounding plane; one end of the short-circuit metal part is connected with the radiation part, and the other end is connected to the grounding plane; and the feed-in part comprises a first feed-in metal part and a second feed-in metal part, the first feed-in metal part is provided with a feed-in point which is the feed-in point of the antenna, one end of the second feed-in metal part is connected to the radiation part, and a specific distance exists between the second feed-in metal part and the first feed-in metal part.
Description
Technical field
The present invention relates to a kind of multi-frequency action communication device antenna, particularly relate to a kind of multi-frequency action communication device antenna with coplanar manifold type feed-in.
Background technology
Flourish along with wireless telecommunications, so that constantly progressive and appearance of wireless communication technique miscellaneous and product, action mobile phone miscellaneous also occurs thereupon, becomes multi-band operation from the script dual frequency operation, meets the now demand of the more bandwidths of mobile phone.Original traditional inverted-F antenna is under limited volume, utilize single resonance path will reach the GSM850/900 frequency band operation at low frequency, it is the challenge of a difficulty, such as Taiwan patent announcement number the 490th, No. 884 " double-frequency inverted F shape plate aerial and radiation sheet metal thereof ", it discloses a kind of inverted-F antenna that utilizes and reaches dual frequency operation, and this Antenna Design can only be contained the GSM900 frequency band operation at low frequency.
This shows that above-mentioned existing multi-frequency action communication device antenna obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.The problem that exists in order to solve the multi-frequency action communication device antenna, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but have no for a long time applicable design is finished by development always, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious wish of relevant dealer solves.
Because the defective that above-mentioned existing multi-frequency action communication device antenna exists, the inventor is based on being engaged in for many years abundant practical experience and professional knowledge of this type of product design manufacturing, and the utilization of cooperation scientific principle, positive research and innovation in addition, in the hope of founding a kind of antenna of coplanarity coupling type feed-in multi-frequency action communication device of new structure, can improve general existing multi-frequency action communication device antenna, make it have more practicality.
In order to solve the above problems, we propose a kind of coupling type feed antenna design that is applicable to multi-frequency action communication device, contain the demand of the bandwidth of GSM850 (824-894MHz), GSM900 (890-960MHz), DCS (1710-1880MHz), PCS (1850-1990MHz) and UMTS (1920-2170MHz).This design is the wideband operation of being reached two resonance bands by the single antenna of a pair of resonance path, wherein low-frequency band mainly is to utilize coplanar manifold type feed-in to reduce the inductive of antenna integral body, so that the single resonance mode of original low frequency is reached the effect of double resonance mode to contain the GSM850/900 frequency band operation, and antenna structure is simple, be easy to print or be etched on the single surface of medium substrate, so that cost of manufacture is cheap, so antenna of the present invention is applicable to the demand of mobile communication device.
Through constantly research, design, and after repeatedly studying sample and improvement, finally create the present invention who has practical value.
Summary of the invention
Main purpose of the present invention is, overcome the defective that existing multi-frequency action communication device antenna exists, and provide a kind of new antenna of coplanarity coupling type feed-in multi-frequency action communication device, technical problem to be solved is to make it that a kind of antenna of coplanarity coupling type feed-in multi-frequency action communication device design is provided, can contain the operation of GSM850/900, DCS, PCS and UMTS frequency band, thereby more be suitable for practicality, and have the value on the industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of antenna of coplanarity coupling type feed-in multi-frequency action communication device that the present invention proposes, it comprises:
One medium substrate;
One ground plane is positioned on the surface of this medium substrate, has a short dot, and this short dot is positioned at an edge of this ground plane, and this edge also is positioned between the inner area of this medium substrate;
One Department of Radiation is positioned on the surface of this medium substrate, and this Department of Radiation is positioned near the edge of this ground plane, does not mutually overlap with this ground plane;
One short circuit metal section is positioned on the surface of this medium substrate, and with the same surface of this Department of Radiation, the one end is electrically connected to this Department of Radiation, the other end is electrically connected to the short dot of this ground plane; And
One feeding portion is positioned on the surface of this medium substrate, and with the same surface of this Department of Radiation, comprise:
One first feed-in metal section has a load point, is the load point of antenna, and this load point also is connected to a signal source;
One second feed-in metal section, the one end is connected to this Department of Radiation, this second feed-in metal section and and this first feed-in metal section between have a specific distance.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid antenna of coplanarity coupling type feed-in multi-frequency action communication device, wherein said this medium substrate are the system circuit board of an action communication device.
Aforesaid antenna of coplanarity coupling type feed-in multi-frequency action communication device, wherein said this Department of Radiation comprises:
One first metal section has at least one times bending;
One second metal section has at least one times bending, and is connected to this first metal section.
Aforesaid antenna of coplanarity coupling type feed-in multi-frequency action communication device, wherein said this Department of Radiation and this short circuit metal section are made with a sheet metal punching press or cutting.
Aforesaid antenna of coplanarity coupling type feed-in multi-frequency action communication device, wherein said this Department of Radiation, this short circuit metal section and this feeding portion are to print or etching technique is formed on this medium substrate.
Aforesaid antenna of coplanarity coupling type feed-in multi-frequency action communication device, the specific distance between wherein said this second feed-in metal section and this first feed-in metal section is less than 3mm.
Aforesaid antenna of coplanarity coupling type feed-in multi-frequency action communication device, wherein said this Department of Radiation have at least one times bending, so that the partial section of this Department of Radiation is vertical with this ground plane.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.According to a kind of antenna of coplanarity coupling type feed-in multi-frequency action communication device that the present invention proposes, it comprises:
One medium substrate;
One ground plane is positioned on the surface of this medium substrate, has a short dot, and this short dot is positioned at an edge of this ground plane, and this edge also is positioned between the inner area of this medium substrate;
One Department of Radiation is positioned on the surface of this medium substrate, and this Department of Radiation is positioned near the edge of this ground plane, does not mutually overlap with this ground plane;
One short circuit metal section is positioned on the surface of this medium substrate, and with the same surface of this Department of Radiation, the one end is electrically connected to this Department of Radiation, the other end is electrically connected to the short dot of this ground plane; And
One feed-in metal section is positioned on the surface of this medium substrate, and with the same surface of this Department of Radiation, and has a load point, be the load point of antenna, this load point also is connected to a signal source, has a specific distance between this feed-in metal section and this Department of Radiation simultaneously.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid antenna of coplanarity coupling type feed-in multi-frequency action communication device, wherein said this medium substrate are the system circuit board of an action communication device.
Aforesaid antenna of coplanarity coupling type feed-in multi-frequency action communication device, wherein said this Department of Radiation comprises:
One first metal section has at least one times bending; And
One second metal section has at least one times bending, and is connected to this first metal section.
Aforesaid antenna of coplanarity coupling type feed-in multi-frequency action communication device, wherein said this Department of Radiation and this short circuit metal section are made with a sheet metal punching press or cutting.
Aforesaid antenna of coplanarity coupling type feed-in multi-frequency action communication device, wherein said this Department of Radiation, this short circuit metal section and this feed-in metal section print or etching technique is formed on this medium substrate.
Aforesaid antenna of coplanarity coupling type feed-in multi-frequency action communication device, the specific distance between wherein said this feed-in metal section and this Department of Radiation is less than 3mm.
The present invention compared with prior art has obvious advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, main technical content of the present invention is as follows:
The present invention proposes a kind of antenna of coplanarity coupling type feed-in multi-frequency action communication device, mainly comprises: a medium substrate, a ground plane, a Department of Radiation, a short circuit metal section and a feeding portion.This ground plane is positioned on the surface of this medium substrate; This Department of Radiation, this short circuit metal section and this feeding portion all are positioned on this medium substrate, and same surface, and near near the edge of this ground plane; One end of this short circuit metal section is connected to this Department of Radiation, and its other end is connected to this ground plane; This feeding portion comprises one first feed-in metal section and one second feed-in metal section, this the first feed-in metal section has a load point, load point for antenna, one end of this second feed-in metal section is connected to this Department of Radiation, this second feed-in metal section and and this first feed-in metal section between have a specific distance.
By technique scheme, antenna of coplanarity coupling type feed-in multi-frequency action communication device of the present invention has following advantages at least:
1, antenna of coplanarity coupling type feed-in multi-frequency action communication device of the present invention is the wideband operation of being reached two resonance bands by the single antenna of a pair of resonance path, wherein low-frequency band mainly is to utilize coplanar manifold type feed-in to reduce the inductive of antenna integral body, so that the single resonance mode of original low frequency is reached the effect of double resonance mode to contain the GSM850/900 frequency band operation, and antenna structure is simple, be easy to print or be etched on the single surface of medium substrate, so that cost of manufacture is cheap, so antenna of the present invention is applicable to the demand of mobile communication device.
2, antenna of coplanarity coupling type feed-in multi-frequency action communication device of the present invention provides a kind of antenna of coplanarity coupling type feed-in multi-frequency action communication device design, can contain the operation of GSM850/900, DCS, PCS and UMTS frequency band.
In sum, the antenna of coplanarity coupling type feed-in multi-frequency action communication device of special construction of the present invention, it has above-mentioned many advantages and practical value, and in like product, publish or use and really genus innovation there are no similar structural design and method, no matter it is at product structure, or larger improvement arranged all on the function, have large improvement technically, and produced handy and practical effect, and more existing multi-frequency action communication device antenna has the multinomial effect of enhancement, thereby more be suitable for practicality, and have the extensive value of industry, really be a novelty, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and cooperate accompanying drawing to be described in detail as follows.
Concrete structure of the present invention is provided in detail by following examples and accompanying drawing.
Description of drawings
Fig. 1 is antenna of coplanarity coupling type feed-in multi-frequency action communication device one example structure figure of the present invention.
Fig. 2 be antenna of coplanarity coupling type feed-in multi-frequency action communication device one embodiment of the present invention return the loss measurement.
Fig. 3 is that antenna of coplanarity coupling type feed-in multi-frequency action communication device one embodiment of the present invention is at the radiation pattern figure of 859MHz.
Fig. 4 is that antenna of coplanarity coupling type feed-in multi-frequency action communication device one embodiment of the present invention is at the radiation pattern figure of 925MHz.
Fig. 5 is that antenna of coplanarity coupling type feed-in multi-frequency action communication device one embodiment of the present invention is at the radiation pattern figure of 1795MHz.
Fig. 6 is that antenna of coplanarity coupling type feed-in multi-frequency action communication device one embodiment of the present invention is at the radiation pattern figure of 1920MHz.
Fig. 7 is that antenna of coplanarity coupling type feed-in multi-frequency action communication device one embodiment of the present invention is at the radiation pattern figure of 2045MHz.
Fig. 8 is antenna of coplanarity coupling type feed-in multi-frequency action communication device first other example structure figure of the present invention.
Fig. 9 is this antenna of coplanarity coupling type feed-in multi-frequency action communication device antenna second other example structure figure.
1: antenna one embodiment of the present invention
8: antenna first other embodiment of the present invention
9: antenna second other embodiment of the present invention
11: medium substrate
12: ground plane
120: an edge of ground plane
121: the short dot of ground plane
13,83,93: Department of Radiation
131,831,931: the short dot of Department of Radiation
132,832,932: the first metal sections
133,833,933: the second metal sections
134,834, the tie point of 934: the first metal sections and the second metal section
14,84,94: short circuit metal section
15,85: feeding portion
151,851: the first feed-in metal sections
152,852: load point
153,853: the second feed-in metal sections
154, the specific distance of 854: the first feed-in metal sections and the second feed-in metal section
16: signal source
21: low-frequency band
22: high frequency band
801: bending
95: feed-in metal section
951: the specific distance of feed-in metal section and Department of Radiation
952: load point
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of antenna of coplanarity coupling type feed-in multi-frequency action communication device, structure and effect thereof to foundation the present invention proposes are described in detail as follows.
Antenna of coplanarity coupling type feed-in multi-frequency action communication device of the present invention, it comprises: a medium substrate; One ground plane is positioned on the surface of this medium substrate, has a short dot, and this short dot is positioned at an edge of this ground plane, and this edge also is positioned between the inner area of this medium substrate; One Department of Radiation, be to be formed by a single sheet metal punching press or cutting, can also use printing or etching technique to be formed on this medium substrate, and be positioned on the surface of this medium substrate, and this radiation position does not overlap mutually with this ground plane near an edge of this ground plane; One short circuit metal section, can be formed by a single sheet metal punching press or cutting with this Department of Radiation, can also use printing or etching technique to be formed on this medium substrate, and be positioned at same surface with this Department of Radiation, the one end also is electrically connected to this Department of Radiation, and the other end is electrically connected to the short dot of this ground plane; And a feeding portion, be positioned on the surface of this medium substrate, and be positioned at same surface with this Department of Radiation, comprise: one first feed-in metal section, have a load point, be the load point of antenna, this load point also is connected to a signal source; One second feed-in metal section, the one end is connected to this Department of Radiation, this second feed-in metal section and and this first feed-in metal section between have a specific distance.This feeding portion also can use a single feed-in metal section, directly and this Department of Radiation between the specific distance of being separated by, reach the effect that manifold type excites this Department of Radiation.
In this invention antenna, this Department of Radiation also comprises one first metal section and one second metal section, all resonate in quarter-wave mode, wherein this first metal section the person of exciting be the high frequency band of antenna, and this second metal person of exciting of section is low-frequency band, utilize coplanar manifold type feed-in, we can reduce the real impedance value of low-frequency band (the quarter-wave resonance mode of the second metal section), and the specific distance of adjusting between this second feed-in metal section and this first feed-in metal section increases capacitive character effectively, to reduce the inductive of low-frequency band (the quarter-wave resonance mode of the second metal section), so that additionally increased the imaginary part zero point of antenna feed impedance near this quarter-wave resonance frequency point, again by the size of suitably adjusting this short circuit metal section, can reach good impedance matching, and then this Department of Radiation is reached the effect of double resonance mode at low-frequency band, can contain the required Global System for Mobile Communication (GSM850 of wireless wide area router (WWAN), 824-894MHz) and (GSM900, frequency band 890-960MHz), and the wideband mode that high frequency band excites for this first metal section, can contain (the DCS of digital communications system, 1710-1880MHz), personal communication services (PCS) system (PCS, 1850-1990MHz) and three frequency bands of third generation Mobile Communications (UMTS, 1920-2170MHz).
See also shown in Figure 1ly, Fig. 1 is the structural representation of antenna of coplanarity coupling type feed-in multi-frequency action communication device embodiment 1 of the present invention.
It mainly comprises: a medium substrate 11; One ground plane 12 is positioned on the surface of this medium substrate 11, has a short dot 121, and this short dot 121 is positioned at an edge 120 of this ground plane 12, and this edge 120 also is positioned between the inner area of this medium substrate 11; One Department of Radiation 13, to be formed by a single sheet metal punching press or cutting, can also use printing or etching technique to be formed on this medium substrate 11, and be positioned on the surface of this medium substrate 11, and this Department of Radiation 13 is positioned near the edge 120 of this ground plane 12, mutually do not overlap with this ground plane 12, comprise: one first metal section 132 has at least one times bending; One second metal section 133 has at least one times bending, and is connected to this first metal section 132; One short circuit metal section 14, can be formed by a single sheet metal punching press or cutting with this Department of Radiation 13, can also use printing or etching technique to be formed on this medium substrate 11, and with these Department of Radiation 13 same surfaces, the one end is electrically connected to this Department of Radiation 13, and the other end is electrically connected to the short dot 121 of this ground plane 12; And a feeding portion 15, can use the printing or etching technique be formed on this medium substrate 11, and with these Department of Radiation 13 same surfaces, comprise: one first feed-in metal section 151, have a load point 152, be the load point 152 of antenna, this load point 152 also is connected to a signal source 16; One second feed-in metal section 153, the one end is connected to this Department of Radiation 13, this second feed-in metal section 153 and and this first feed-in metal section 151 between have a specific distance 154.
See also shown in Figure 2, Fig. 2 be antenna of coplanarity coupling type feed-in multi-frequency action communication device of the present invention embodiment 1 return the loss measurement.
The present invention selects following size to measure in embodiment 1: medium substrate 11 length are about 110mm, width is about 60mm; Ground plane 12 length are about 100mm, width is about 60mm; Department of Radiation 13 comprises: the first metal section 132 length are about 40mm (quarter-wave that is about 1900MHz), width is about 1mm, and the second metal section 133 length are about 83mm (quarter-wave that is about 900MHz), and width is about 1mm; Short circuit metal section 14 length are about 3mm, width is about 1mm; Feeding portion 15 comprises: one first feed-in metal section, 151 length are about 22mm, and width is about 0.3mm; One second feed-in metal section, 153 length are about 20mm, width is about 0.6mm, this second feed-in metal section 153 and and this first feed-in metal section 151 between have a specific distance 154 and be about 1.0mm.By experimental results, return at 6dB under the definition of loss, its low-frequency band 21 is enough to contain the GSM850/900 frequency band of wireless wide area router (WWAN), and high frequency band 22 is contained three frequency bands of DCS, PCS and UMTS.In addition, this specific distance 154 also can be the widest to about 3mm, adjusts the relative dimensions of other feeding portions 15 again, also can reach the result similar such as the 2nd figure.
See also Fig. 3, Fig. 4, Fig. 5, Figure 6 and Figure 7, be antenna of coplanarity coupling type feed-in multi-frequency action communication device preferred embodiment of the present invention respectively 859,925,1795,1920 and the radiation pattern figure of 2045MHz, its antenna gain is respectively 1.20,1.97,2.29,2.64 and 2.02dBi.By the result of gained, antenna of the present invention no matter low frequency operational frequency bands or high-frequency operation frequency band all can meet the user demand of Mobile Communications product.
See also shown in Figure 8, it is the structure chart of first other embodiment 8 of antenna of coplanarity coupling type feed-in multi-frequency action communication device of the present invention, wherein this Department of Radiation 13 has and bends at least one times 801, so that the partial section of this Department of Radiation 13 and this ground plane 12 approximate vertical, can dwindle by this in action interior required space of communication device of antenna, other antenna structures are similar to embodiment 1.Embodiments of the invention 8 also can obtain the result similar to embodiment 1, meet the user demand of Mobile Communications product.
See also shown in Figure 9, it is the structure chart of second other embodiment 9 of antenna of coplanarity coupling type feed-in multi-frequency action communication device of the present invention, a Department of Radiation 93 wherein, to be formed by a single sheet metal punching press or cutting, can also use printing or etching technique to be formed on this medium substrate 11, and be positioned on the surface of this medium substrate 11, and this Department of Radiation 93 is positioned near the edge 120 of this ground plane 12, mutually do not overlap with this ground plane 12, comprise: one first metal section 932 has at least one times bending; One second metal section 933 has at least one times bending, and is connected to this first metal section 932; One short circuit metal section 94, can be formed by a single sheet metal punching press or cutting with this Department of Radiation 93, can also use printing or etching technique to be formed on this medium substrate 11, and with these Department of Radiation 93 same surfaces, the one end is electrically connected to this Department of Radiation 93, and the other end is electrically connected to the short dot 121 of this ground plane 12; One feed-in metal section 95, can use printing or etching technique to be formed on this medium substrate 11, and with these Department of Radiation 93 same surfaces, and has a load point 952, load point 952 for antenna, this load point 952 also is connected to a signal source 16, has a specific distance 951 between this feed-in metal section 95 and this Department of Radiation 93 simultaneously, and this specific distance 951 also can the widelyst reach about 3mm.Embodiment 9 is main to use a single feed-in metal section 95 directly and the specific distance 951 of being separated by between this Department of Radiation 93, reaches the effect that manifold type excites this Department of Radiation 93.Embodiment 9 also can obtain the result similar to embodiment 1, meets the user demand of Mobile Communications product.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (13)
1. antenna of coplanarity coupling type feed-in multi-frequency action communication device is characterized in that it comprises:
One medium substrate;
One ground plane is positioned on the surface of this medium substrate, has a short dot, and this short dot is positioned at an edge of this ground plane, and this edge also is positioned between the inner area of this medium substrate;
One Department of Radiation is positioned on the surface of this medium substrate, and this Department of Radiation is positioned near the edge of this ground plane, does not mutually overlap with this ground plane, and wherein these Department of Radiation two ends are all openend;
One short circuit metal section is positioned on the surface of this medium substrate, and with the same surface of this Department of Radiation, the one end is electrically connected to this Department of Radiation, the other end is electrically connected to the short dot of this ground plane; And
One feeding portion is positioned on the surface of this medium substrate, and with the same surface of this Department of Radiation, comprise:
One first feed-in metal section has a load point, is the load point of antenna, and this load point also is connected to a signal source;
One second feed-in metal section, the one end is connected to this Department of Radiation, this second feed-in metal section and and this first feed-in metal section between have a specific distance.
2. antenna of coplanarity coupling type feed-in multi-frequency action communication device according to claim 1 is characterized in that wherein said this medium substrate is the system circuit board of an action communication device.
3. antenna of coplanarity coupling type feed-in multi-frequency action communication device according to claim 1 is characterized in that wherein said this Department of Radiation comprises:
One first metal section has at least one times bending;
One second metal section has at least one times bending, and is connected to this first metal section.
4. antenna of coplanarity coupling type feed-in multi-frequency action communication device according to claim 1 is characterized in that wherein said this Department of Radiation and this short circuit metal section are made with a sheet metal punching press or cutting.
5. antenna of coplanarity coupling type feed-in multi-frequency action communication device according to claim 1 is characterized in that wherein said this Department of Radiation, this short circuit metal section and this feeding portion are to print or etching technique is formed on this medium substrate.
6. antenna of coplanarity coupling type feed-in multi-frequency action communication device according to claim 1 is characterized in that the specific distance between wherein said this second feed-in metal section and this first feed-in metal section is less than 3mm.
7. antenna of coplanarity coupling type feed-in multi-frequency action communication device according to claim 1 is characterized in that wherein said this Department of Radiation has at least one times bending, so that the partial section of this Department of Radiation is vertical with this ground plane.
8. antenna of coplanarity coupling type feed-in multi-frequency action communication device is characterized in that it comprises:
One medium substrate;
One ground plane is positioned on the surface of this medium substrate, has a short dot, and this short dot is positioned at an edge of this ground plane, and this edge also is positioned between the inner area of this medium substrate;
One Department of Radiation is positioned on the surface of this medium substrate, and this Department of Radiation is positioned near the edge of this ground plane, does not mutually overlap with this ground plane, and wherein these Department of Radiation two ends are all openend;
One short circuit metal section is positioned on the surface of this medium substrate, and with the same surface of this Department of Radiation, the one end is electrically connected to this Department of Radiation, the other end is electrically connected to the short dot of this ground plane; And
One feed-in metal section is positioned on the surface of this medium substrate, and with the same surface of this Department of Radiation, and has a load point, be the load point of antenna, this load point also is connected to a signal source, has a specific distance between this feed-in metal section and this Department of Radiation simultaneously.
9. antenna of coplanarity coupling type feed-in multi-frequency action communication device according to claim 8 is characterized in that wherein said this medium substrate is the system circuit board of an action communication device.
10. antenna of coplanarity coupling type feed-in multi-frequency action communication device according to claim 8 is characterized in that wherein said this Department of Radiation comprises:
One first metal section has at least one times bending; And
One second metal section has at least one times bending, and is connected to this first metal section.
11. antenna of coplanarity coupling type feed-in multi-frequency action communication device according to claim 8 is characterized in that wherein said this Department of Radiation and this short circuit metal section are made with a sheet metal punching press or cutting.
12. antenna of coplanarity coupling type feed-in multi-frequency action communication device according to claim 8 is characterized in that wherein said this Department of Radiation, this short circuit metal section and this feed-in metal section print or etching technique is formed on this medium substrate.
13. antenna of coplanarity coupling type feed-in multi-frequency action communication device according to claim 8 is characterized in that the specific distance between wherein said this feed-in metal section and this Department of Radiation is less than 3mm.
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| CN102148423A (en) * | 2010-02-10 | 2011-08-10 | 上海安费诺永亿通讯电子有限公司 | Method for improving coupling isolation between microstrip antennas |
| CN102386481B (en) * | 2010-09-01 | 2014-01-22 | 太盟光电科技股份有限公司 | Capacitive antenna structure |
| CN102780072B (en) * | 2011-05-13 | 2015-04-22 | 宏碁股份有限公司 | Antenna assembly capable of reducing specific absorption rate of electromagnetic wave |
| CN102956959B (en) * | 2011-08-20 | 2015-02-04 | 宏碁股份有限公司 | Communication electronic device and antenna structure thereof |
| CN103378418B (en) * | 2012-04-18 | 2018-03-20 | 中山市云创知识产权服务有限公司 | Multifrequency antenna and the radio communication device with multifrequency antenna |
| CN106716715B (en) * | 2014-10-02 | 2020-10-30 | Ａｇｃ株式会社 | Antenna device and wireless device |
| CN113839208B (en) * | 2016-12-21 | 2024-10-22 | 宏达国际电子股份有限公司 | Mobile device |
| CN110875514B (en) * | 2018-09-03 | 2021-10-22 | 启碁科技股份有限公司 | Mobile device |
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2008
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| CN101582532A (en) | 2009-11-18 |
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