CN2845200Y - 3G90 degrees monopolarized planar antenna for base station - Google Patents
3G90 degrees monopolarized planar antenna for base station Download PDFInfo
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- CN2845200Y CN2845200Y CN 200520088115 CN200520088115U CN2845200Y CN 2845200 Y CN2845200 Y CN 2845200Y CN 200520088115 CN200520088115 CN 200520088115 CN 200520088115 U CN200520088115 U CN 200520088115U CN 2845200 Y CN2845200 Y CN 2845200Y
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Abstract
The utility model discloses a 3G 90 DEG single-polarized plate-shaped antenna for base stations. The circumference of a bottom plate (6) is provided with a bottom plate skirt, the bottom plate (6) is connected with at least 2 basic radiating units, and each basic radiating unit comprises an upper patch (1) and a lower patch (4) which are respectively supported by an upper patch supporting column (2) and a lower patch supporting column (10); each of the upper patches (1) is small and is connected with an L-shaped probe (5) on the bottom plate (6), and the L-shaped probes (5) are connected with the bottom plate (6); the bottom of the bottom plate (6) is provided with a microstrip power divider, an input end of the microstrip power divider is connected with a communication machine, and each output end of the microstrip power divider is connected with each L-shaped probe (5). The utility model has the advantages of high quality, strong anti-interference ability, broad frequency band, high gain, simple structure, convenient operation and excellent electrical property.
Description
(1) technical field: the utility model relates to a kind of base station antenna, relates in particular to 90 ° of tabular base stations of single polarization of a kind of 3G antenna.
(2) background technology: at present, microcellular mobile communication system all belongs to 2G, i.e. second generation mobile communication system, and the GSM working frequency range is 870～9100/310～1880MHz, the CDMA working frequency range is 824～8910/1880～1990MHz.。Along with developing rapidly of mobile communication, power system capacity constantly expands, make base station number more and more, the diversity that service area occurs, scrambling, cellular cell is more and more little, though re-using of frequency improved, customer volume has increased, but the thing followed is the interference of minizone becomes big, and transmission quality descends, even some service area is positioned at existed building group's middle location, need multiple shaped-beam antenna, carry out the inhibition of secondary lobe and episternites simultaneously, according to the relation of transmitting station and service area, under the constant situation of transmitter power, utilize the directivity of antenna to improve the Effective Radiated Power of service area, be fan-shaped service area directional antenna, mostly be antennas such as slot antenna, aperture-coupled antenna at present, mostly be four sectors and six sectors, be that half-power angle is the sector base stations antenna of 90 ° and 100 °, do not adapt to the needs of communication system volume expansion, do not have strict beamwidth control and high front and back ratio, use inconvenience, electrical property is not good.
(3) summary of the invention: the purpose of this utility model is to overcome the deficiency of above-mentioned prior art and a kind of high-quality is provided, and antijamming capability is strong, broadband, high-gain, 90 ° of tabular base stations of single polarization of 3G antenna simple in structure, easy to use, as to have excellent electrical properties.
The purpose of this utility model can reach by following measure: 90 ° of tabular base stations of single polarization of 3G antenna, it comprises base plate 6, be provided with the base plate apron around the base plate 6, connect antenna cover 12 on the base plate 6, it is characterized in that connecting on the base plate 6 2n basic radiating element at least, n=1,2,3 ... n is an integer, horizontal and column distribution between the basic radiating element, each basic radiating element includes paster 1, following paster 4, they are supported by last paster pillar 2 and following paster pillar 10 respectively, last paster 1 is less than following paster 4, each all connects a L shaped probe 5 in the below of paster 4 down on the base plate 6, L shaped probe 5 vertical ends link to each other with base plate 6, one end of L shaped probe 5 transverse horizontal links to each other with base plate 6 by probe pillar 7, wherein individual L shaped probe 5 transverse horizontal one end of Zuo Ce n is on the right side of a vertical end, individual L shaped probe 5 transverse horizontal one end of the n on right side is in the left side of a vertical end, the bottom of base plate 6 is provided with microstrip power divider, the input of microstrip power divider links to each other with communication equipment by radio frequency cable 3, and each output of microstrip power divider links to each other with each L shaped probe 5 by radio frequency cable 3 respectively.
In order further to realize the purpose of this utility model, laterally connect 2 basic radiating elements on the described base plate 6 side by side, the bottom of base plate 6 is provided with an one-to-two microstrip power divider 8, the input of one-to-two microstrip power divider 8 links to each other with communication equipment by radio frequency cable 3, and 2 outputs of one-to-two microstrip power divider 8 link to each other with 2 L shaped probes 5 by 2 radio frequency cables 3 respectively.
In order further to realize the purpose of this utility model, laterally connect 4 basic radiating elements on the described base plate 6 side by side, the bottom of base plate 6 is provided with one fen four microstrip power divider 9, the input of one minute four microstrip power divider 9 links to each other with communication equipment by radio frequency cable 3, and 4 outputs of one minute four microstrip power divider 9 link to each other with 4 L shaped probes 5 by 4 radio frequency cables 3 respectively.
In order further to realize the purpose of this utility model, laterally connect 6 basic radiating elements on the described base plate 6 side by side, the bottom of base plate 6 is provided with one fen six microstrip power divider 11, the input of one minute six microstrip power divider 11 links to each other with communication equipment by radio frequency cable 3, and 6 outputs of one minute six microstrip power divider 11 link to each other with 6 L shaped probes 5 by 6 radio frequency cables 3 respectively.
In order further to realize the purpose of this utility model, laterally connect 8 basic radiating elements on the described base plate 6 side by side, the bottom of base plate 6 is provided with an one-to-two power splitter 8 and two one fen four power splitters 9, the input of one-to-two power splitter 8 links to each other with communication equipment by radio frequency cable 3, two outputs of one-to-two power splitter 8 link to each other with two inputs of two one fen four power splitters 9 respectively, and 8 outputs of two one fen four power splitters 9 link to each other with 8 L shaped probes 5 by 8 radio frequency cables 3 respectively.
In order further to realize the purpose of this utility model, describedly go up paster 1, paster 4 is a kind of in rectangle, circle, square, the triangle down.
In order further to realize the purpose of this utility model, described upward paster 1, following paster 4 are the rectangle paster, and the limit of last paster 1 and following paster 4 is parallel to each other, and all parallel with the limit of base plate 6.
In order further to realize the purpose of this utility model, the width 74mm of described base plate 6, the height 25.5mm of base plate apron, unit interval between the basic radiating element is identical, size L=127mm, and the length of last paster 1 is 51mm, wide is 24.2mm, and the length of following paster 4 is 59mm, and wide is 30mm.
In order further to realize the purpose of this utility model, the surface of described radio frequency cable 3 is the tin coating of 3～5um.
In order further to realize the purpose of this utility model, the top layer of described L shaped probe 5 is a ternary alloy coating.
The utility model can produce following good effect compared with the prior art: the utility model is applicable to 3-G (Generation Three mobile communication system), 3-G (Generation Three mobile communication system) is the wide-band mobile communication system that works in the 2GHz frequency range, the main feature that it is different from the first generation and second generation mobile communication system can simplified summary be: unified frequency range, unified standard reach global seamless covering; Have the ability of support information speed up to the multimedia service of 2Mbit/s; The frequency efficiency height; The service quality height, security performance is good; Be easy to the smooth transition and the evolution of second generation mobile communication system; The terminal price is low; Higher spectrum efficiency, lower electromagnetic radiation, better service quality etc.3-G (Generation Three mobile communication system) has adopted all state-of-the-art technologies of current communication and field of information processing, the use of these new technologies has increased power system capacity greatly, improved transmission quality, reduced power consumption and interference, can in the transmission environment of complexity, provide than bigger power system capacity of second generation mobile communication system and the service quality of Geng Gao.Because present second generation mobile communications network is fully under way, and more sound, thus can not be at short notice that it is discarded, and the utility model has been realized the smooth transition from 2G to 3G, its working frequency range is 2GHz, and it is a kind of novel that the utility model provides, high-quality, broadband, high-gain, the single polarization structure is made simple, easy to use, half-power beam width is 90 ° a fan-shaped beam antenna for base station.The bandwidth of antenna standing wave ratio below 1.4 is 15.9%, be forms such as slot antenna, aperture-coupled antenna can not and.In the front-to-back ratio of some tangs etc. side strongly, because service area is relatively concentrated, do not need to dispose the antenna of broad, so the narrow beam antenna for base station demonstrates its directivity and concentrates in these places, the high advantage that gains, thus be applied.The utility model is the plate antenna that is provided with L type probe, its superior performance, bandwidth, adopt the double applying sheet, bandwidth is reached more than 35%, utilize the utility model plate antenna can be easy to realize the dilatation of existing communication system, realize the smooth transition from 2G to 3G.
(4) description of drawings:
Fig. 1 is the upward view of four basic radiating element antenna for base station of the utility model;
Fig. 2 is the vertical view of four basic radiating element antenna for base station of the utility model;
Fig. 3 is the front view of four basic radiating element antenna for base station of the utility model;
Fig. 4 is the enlarged drawing of basic radiating element of the present utility model;
Fig. 5 is the upward view of 2 basic radiating element antenna for base station of the utility model;
Fig. 6 is the vertical view of 2 basic radiating element antenna for base station of the utility model;
Fig. 7 is the upward view of 6 basic radiating element antenna for base station of the utility model;
Fig. 8 is the vertical view of 6 basic radiating element antenna for base station of the utility model;
Fig. 9 is the upward view of 8 basic radiating element antenna for base station of the utility model;
Figure 10 is the vertical view of 8 basic radiating element antenna for base station of the utility model.
(5) embodiment: preferred forms of the present utility model is elaborated below in conjunction with accompanying drawing:
The tabular base station of 90 ° of single polarizations of embodiment 1:3G antenna (referring to Fig. 1 to Fig. 4); it comprises base plate 6; be provided with the base plate apron around the base plate 6; the width 74mm of base plate 6; the height 25.5mm of base plate apron; laterally connect 4 basic radiating elements on the base plate 6 side by side; unit interval between four basic radiating elements is identical; size L=127mm; each basic radiating element comprises paster 1; following paster 4; last paster 1; following paster 4 is the rectangle paster; the length of last paster 1 is 51mm; wide is 24.2mm; the length of following paster 4 is 59mm; wide is 30mm; the limit of last paster 1 and following paster 4 is parallel to each other; and it is all parallel with the limit of base plate 6; they are supported by last paster pillar 2 and following paster pillar 10 respectively; each all connects a L shaped probe 5 in the below of paster 4 down on the base plate 6; the top layer of L shaped probe 5 is a ternary alloy coating; L shaped probe 5 vertical ends pass through probe base 14; probe sleeve pipe 15 links to each other with base plate 6; one end of L shaped probe 5 levels links to each other with base plate 6 by probe pillar 7; wherein Zuo Ce two L shaped probe 5 transverse horizontal one ends are on the right side of a vertical end; two L shaped probe 5 transverse horizontal one ends on right side are in the left side of a vertical end; the bottom of base plate 6 is provided with one fen four microstrip power divider 9; the input of one minute four microstrip power divider 9 links to each other with communication equipment by radio frequency cable 3; 4 outputs of one minute four microstrip power divider 9 link to each other with 4 L shaped probes 5 by 4 radio frequency cables 3 respectively; the surface of above-mentioned radio frequency cable 3 is the tin coating of 3～5um; connect antenna cover 12 on the base plate 6; the two ends of base plate 6 connect end cap 13; entire antenna is got up with radome 12 and end cap 13 covers; form closed system, antenna element and feeding network and whole metal or plastic structural part that protection is inner.Radome is made through the processing and forming of mould by high-quality PVC plastics, has good sealing process and discharge structure.
The tabular base station of 90 ° of single polarizations of embodiment 2:3G uses antenna (referring to Fig. 4; Fig. 5; Fig. 6); it comprises base plate 6; be provided with the base plate apron around the base plate 6; the width 74mm of base plate 6; the height 25.5mm of base plate apron; laterally connect 2 basic radiating elements on the base plate 6 side by side; unit interval between 2 basic radiating elements cun L=127mm; each basic radiating element comprises paster 1; following paster 4; last paster 1; following paster 4 is the rectangle paster; the length of last paster 1 is 51mm; wide is 24.2mm; the length of following paster 4 is 59mm; wide is 30mm; the limit of last paster 1 and following paster 4 is parallel to each other; and it is all parallel with the limit of base plate 6; they are supported by last paster pillar 2 and following paster pillar 10 respectively; each all connects a L shaped probe 5 in the below of paster 4 down on the base plate 6; the top layer of L shaped probe 5 is a ternary alloy coating; L shaped probe 5 vertical ends pass through probe base 14; probe sleeve pipe 15 links to each other with base plate 6; one end of L shaped probe 5 levels links to each other with base plate 6 by probe pillar 7; wherein Zuo Ce L shaped probe 5 transverse horizontal one end is on the right side of a vertical end; L shaped probe 5 transverse horizontal one end on right side is in the left side of a vertical end; the bottom of base plate 6 is provided with an one-to-two microstrip power divider 8; the input of one-to-two microstrip power divider 8 links to each other with communication equipment by radio frequency cable 3; 2 outputs of one-to-two microstrip power divider 8 link to each other with 2 L shaped probes 5 by 2 radio frequency cables 3 respectively; the surface of above-mentioned radio frequency cable 3 is the tin coating of 3～5um; connect antenna cover 12 on the base plate 6; the two ends of base plate 6 connect end cap 13; entire antenna is got up with radome 12 and end cap 13 covers; form closed system, antenna element and feeding network and whole metal or plastic structural part that protection is inner.Radome is made through the processing and forming of mould by high-quality PVC plastics, has good sealing process and discharge structure.
The tabular base station of 90 ° of single polarizations of embodiment 3:3G uses antenna (referring to Fig. 4; Fig. 7; Fig. 8); it comprises base plate 6; be provided with the base plate apron around the base plate 6; the width 74mm of base plate 6; the height 25.5mm of base plate apron; laterally connect 6 basic radiating elements on the base plate 6 side by side; unit interval between 6 basic radiating elements is identical; size L=127mm; each basic radiating element comprises paster 1; following paster 4; last paster 1; following paster 4 is the rectangle paster; the length of last paster 1 is 51mm; wide is 24.2mm; the length of following paster 4 is 59mm; wide is 30mm; the limit of last paster 1 and following paster 4 is parallel to each other; and it is all parallel with the limit of base plate 6; they are supported by last paster pillar 2 and following paster pillar 10 respectively; each all connects a L shaped probe 5 in the below of paster 4 down on the base plate 6; the top layer of L shaped probe 5 is a ternary alloy coating; L shaped probe 5 vertical ends pass through probe base 14; probe sleeve pipe 15 links to each other with base plate 6; one end of L shaped probe 5 levels links to each other with base plate 6 by probe pillar 7; wherein Zuo Ce 3 L shaped probe 5 transverse horizontal one ends are on the right side of a vertical end; 3 L shaped probe 5 transverse horizontal one ends on right side are in the left side of a vertical end; the bottom of base plate 6 is provided with one fen six microstrip power divider 11; the input of one minute six microstrip power divider 11 links to each other with communication equipment by radio frequency cable 3; 6 outputs of one minute six microstrip power divider 11 link to each other with 6 L shaped probes 5 by 6 radio frequency cables 3 respectively; the surface of above-mentioned radio frequency cable 3 is the tin coating of 3～5um; connect antenna cover 12 on the base plate 6; the two ends of base plate 6 connect end cap 13; entire antenna is got up with radome 12 and end cap 13 covers; form closed system, antenna element and feeding network and whole metal or plastic structural part that protection is inner.Radome is made through the processing and forming of mould by high-quality PVC plastics, has good sealing process and discharge structure.
The tabular base station of 90 ° of single polarizations of embodiment 4:3G uses antenna (referring to Fig. 4; Fig. 9; Figure 10); it comprises base plate 6; be provided with the base plate apron around the base plate 6; the width 74mm of base plate 6; the height 25.5mm of base plate apron; laterally connect 8 basic radiating elements on the base plate 6 side by side; unit interval between 8 basic radiating elements is identical; size L=27mm; each basic radiating element comprises paster 1; following paster 4; last paster 1; following paster 4 is the rectangle paster; the length of last paster 1 is 51mm; wide is 24.2mm; the length of following paster 4 is 59mm; wide is 30mm; the limit of last paster 1 and following paster 4 is parallel to each other; and it is all parallel with the limit of base plate 6; they are supported by last paster pillar 2 and following paster pillar 10 respectively; each all connects a L shaped probe 5 in the below of paster 4 down on the base plate 6; the top layer of L shaped probe 5 is a ternary alloy coating; L shaped probe 5 vertical ends pass through probe base 14; probe sleeve pipe 15 links to each other with base plate 6; one end of L shaped probe 5 levels links to each other with base plate 6 by probe pillar 7; wherein Zuo Ce 4 L shaped probe 5 transverse horizontal one ends are on the right side of a vertical end; 4 L shaped probe 5 transverse horizontal one ends on right side are in the left side of a vertical end; the bottom of base plate 6 is provided with an one-to-two power splitter 8 and two one fen four power splitters 9; the input of one-to-two power splitter 8 links to each other with communication equipment by radio frequency cable 3; two outputs of one-to-two power splitter 8 link to each other with two inputs of two one fen four power splitters 9 respectively; 8 outputs of two one fen four power splitters 9 link to each other with 8 L shaped probes 5 by 8 radio frequency cables 3 respectively; the surface of above-mentioned radio frequency cable 3 is the tin coating of 3～5um; connect antenna cover 12 on the base plate 6; the two ends of base plate 6 connect end cap 13; entire antenna is got up with radome 12 and end cap 13 covers; form closed system, antenna element and feeding network and whole metal or plastic structural part that protection is inner.Radome is made through the processing and forming of mould by high-quality PVC plastics, has good sealing process and discharge structure.
During use, radiofrequency signal enters antenna feeding network through radio frequency (RF) coaxial connector 16, arrive microstrip power divider by radio frequency cable 3 in network, microstrip power divider is with the output of signal constant amplitude homophase, and the process radio frequency cable is to each excitation probe, probe is energized and gives off frequency electromagnetic waves, electromagnetic wave is producing surface current on the paster down, forms induced electric field, is coupled on the paster again, see through radome then and be radiated free space, form radiation pattern.Metal base plate 6 is electromagnetic reflecting mechanisms, and it is with probe, and the forward direction space is arrived in the reflection of electromagnetic wave that upper and lower paster is radiated on it, makes antenna form directed radiation.Arrayed is become two row, make that the half-power beam width of antenna is narrow, the height that adds the width of upper plate 6 and base plate apron has determined 90 ° of the half-power beam widths and the front and back ratio of antenna, the size of unit interval requires to determine according to wave beam forming, constitute the shaped aerial battle array with feeding network, guaranteed the figuration characteristic and the corresponding radiation characteristic of antenna for base station.
Index request for the third order intermodulation that reaches antenna for base station, on electrical structure, mechanical structure and technology, done sufficient consideration, because third order intermodulation is because the heterogeneity of each tie point, and producing high order power signal, the result of high order power signal stack can produce the frequency that is close with operating frequency and cause interference.The feedback dot circuit each tie point on all adopt zinc-plated technology, radio frequency cable 3 surfaces are the tin coating of 3～5um, L shaped in addition probe 5 top layers are ternary alloy coating; Require welding evenly full on the technology of each pad, each earth point requires ground connection fully seamless.
Claims (10)
1,90 ° of tabular base stations of single polarization of 3G antenna, it comprises base plate (6), be provided with the base plate apron around the base plate (6), base plate (6) is gone up and is connected antenna cover (12), it is characterized in that connecting on the base plate (6) 2n basic radiating element at least, n=1,2,3 ... n is an integer, horizontal and column distribution between the basic radiating element, each basic radiating element includes paster (1), following paster (4), they are supported by last paster pillar (2) and following paster pillar (10) respectively, last paster (1) is less than following paster (4), base plate (6) is gone up each and is all connected a L shaped probe (5) in the below of paster (4) down, the vertical end of L shaped probe (5) links to each other with base plate (6), one end of L shaped probe (5) transverse horizontal links to each other with base plate (6) by probe pillar (7), wherein individual L shaped probe (5) transverse horizontal one end of Zuo Ce n is on the right side of a vertical end, individual L shaped probe (5) transverse horizontal one end of the n on right side is in the left side of a vertical end, the bottom of base plate (6) is provided with microstrip power divider, the input of microstrip power divider links to each other with communication equipment by radio frequency cable (3), and each output of microstrip power divider links to each other with each L shaped probe (5) by radio frequency cable (3) respectively.
2,90 ° of tabular base stations of single polarization of 3G according to claim 1 antenna, it is characterized in that described base plate (6) upward laterally connects 2 basic radiating elements side by side, the bottom of base plate (6) is provided with an one-to-two microstrip power divider (8), the input of one-to-two microstrip power divider (8) links to each other with communication equipment by radio frequency cable (3), and 2 outputs of one-to-two microstrip power divider (8) link to each other with 2 L shaped probes (5) by 2 radio frequency cables (3) respectively.
3,90 ° of tabular base stations of single polarization of 3G according to claim 1 antenna, it is characterized in that described base plate (6) upward laterally connects 4 basic radiating elements side by side, the bottom of base plate (6) is provided with one fen four microstrip power divider (9), one minute four microstrip power divider (9) input link to each other with communication equipment by radio frequency cable (3), one minute four microstrip power divider (9) 4 outputs pass through 4 radio frequency cables (3) respectively and link to each other with 4 L shaped probes (5).
4,90 ° of tabular base stations of single polarization of 3G according to claim 1 antenna, it is characterized in that described base plate (6) upward laterally connects 6 basic radiating elements side by side, the bottom of base plate (6) is provided with one fen six microstrip power divider (11), one minute six microstrip power divider (11) input link to each other with communication equipment by radio frequency cable (3), one minute six microstrip power divider (11) 6 outputs pass through 6 radio frequency cables (3) respectively and link to each other with 6 L shaped probes (5).
5,90 ° of tabular base stations of single polarization of 3G according to claim 1 antenna, it is characterized in that described base plate (6) upward laterally connects 8 basic radiating elements side by side, the bottom of base plate (6) is provided with an one-to-two power splitter (8) and two one fen four power splitters (9), the input of one-to-two power splitter (8) links to each other with communication equipment by radio frequency cable (3), two outputs of one-to-two power splitter (8) respectively with two one minute four power splitters (9) two inputs link to each other, two one minute four power splitters (9) 8 outputs link to each other with 8 L shaped probes (5) by 8 radio frequency cables (3) respectively.
6,90 ° of tabular base stations of single polarization of 3G according to claim 1 antenna is characterized in that describedly going up paster (1), paster (4) is a kind of in rectangle, circle, square, the triangle down.
7,90 ° of tabular base stations of single polarization of 3G according to claim 6 antenna, it is characterized in that described upward paster (1), following paster (4) are the rectangle paster, the limit of last paster (1) and following paster (4) is parallel to each other, and all parallel with the limit of base plate (6).
8, according to claim 1 or 2 or 3 or 4 or 5 90 ° of tabular base stations of single polarization of described 3G antennas, the width 74mm that it is characterized in that described base plate (6), the height 25.5mm of base plate apron, unit interval between the basic radiating element is identical, size L=127mm, the length of last paster (1) is 51mm, wide is 24.2mm, the length of following paster (4) is 59mm, and wide is 30mm.
9, according to claim 1 or 90 ° of tabular base stations of single polarization of 2 or 3 or 4 described 3G antenna, the surface that it is characterized in that described radio frequency cable (3) is the tin coating of 3～5um.
10, according to claim 1 or 90 ° of tabular base stations of single polarization of 2 or 3 or 4 described 3G antenna, the top layer that it is characterized in that described L shaped probe (5) is a ternary alloy coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088115 CN2845200Y (en) | 2005-10-14 | 2005-10-14 | 3G90 degrees monopolarized planar antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088115 CN2845200Y (en) | 2005-10-14 | 2005-10-14 | 3G90 degrees monopolarized planar antenna for base station |
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| Publication Number | Publication Date |
|---|---|
| CN2845200Y true CN2845200Y (en) | 2006-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520088115 Expired - Fee Related CN2845200Y (en) | 2005-10-14 | 2005-10-14 | 3G90 degrees monopolarized planar antenna for base station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051848A (en) * | 2014-07-03 | 2014-09-17 | 广东健博通科技股份有限公司 | Intelligent vertical scanning antenna |
| CN105633595A (en) * | 2014-10-29 | 2016-06-01 | 杭州中瑞思创科技股份有限公司 | High-gain narrow-beam circularly polarized array antenna |
-
2005
- 2005-10-14 CN CN 200520088115 patent/CN2845200Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051848A (en) * | 2014-07-03 | 2014-09-17 | 广东健博通科技股份有限公司 | Intelligent vertical scanning antenna |
| CN105633595A (en) * | 2014-10-29 | 2016-06-01 | 杭州中瑞思创科技股份有限公司 | High-gain narrow-beam circularly polarized array antenna |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |