CN104300207A - Antenna device with square oscillator - Google Patents
Antenna device with square oscillator Download PDFInfo
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- CN104300207A CN104300207A CN201410441370.9A CN201410441370A CN104300207A CN 104300207 A CN104300207 A CN 104300207A CN 201410441370 A CN201410441370 A CN 201410441370A CN 104300207 A CN104300207 A CN 104300207A
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Abstract
The invention relates to an antenna device with a square oscillator. The antenna device comprises a base, the antenna oscillator and a feeder line. The base comprises a bottom cover and an upper cover. The upper cover is a tabletop with the protruding middle. A notch where the antenna oscillator is inserted is formed in the protruding face. An antenna connecting piece making tight contact with the antenna oscillator is further arranged inside the notch. The antenna oscillator is square. Compared with the prior art, the square oscillator is adopted, and the perimeter of the square oscillator approximates the half wavelength, so that the gain of an antenna is high, the formed standing wave amplitude value is small, and the signal transmission amplitude-frequency characteristic is good; in addition, the antenna oscillator is fixed through the antenna connecting piece after being inserted into the base, so that assembling of the antenna device is greatly simplified, and disassembling, packaging and transportation are convenient.
Description
Technical field:
The invention belongs to the communications field, relate to a kind of antenna, particularly relate to a kind of antenna assembly with square oscillator.
Background technology:
Antenna is a kind of converter, and it, the guided wave of transmission above-the-line promotion, is transformed into electromagnetic wave, or carries out contrary conversion.Be used for launching or receiving electromagnetic parts in wireless device, the engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasures, remote sensing, radio astronomy, every electromagnetic wave that utilizes carrys out transmission of information, all relies on antenna to carry out work.
Television antenna is the one of antenna, be generally used for family, for receiving the radio wave of superfrequency UHF, the profile being now television antenna is on the market varied, based on Yagi spark gap television antenna, because the volume of general Domestic T. V. antenna is little, and the wavelength of the radio wave received is not long, therefore all very short for the length of its antenna Yagi spark gap television antenna, easily cause Received signal strength unstable, the problems such as interference signal is many.
Summary of the invention:
To the object of the invention is to solve in prior art Problems existing in aerial signal transmitting procedure, provide the antenna assembly that a kind of Signal reception is good, concrete technical scheme is as follows:
A kind of antenna assembly with square oscillator, comprise pedestal, antenna oscillator and feed line, it is characterized in that: described pedestal comprises bottom and upper cover, described upper cover is the table top of intermediate projections, and convex surface is provided with the notch inserting antenna oscillator, is also provided with the antenna brace with antenna oscillator close contact in described notch; Described antenna oscillator is the square oscillator be made up of the conductive wire of diameter 2.6mm ~ 3.0mm, and four of square oscillator chamferings are made up of the circular arc of radius 17mm ~ 19mm, and the length of square oscillator is 184mm ~ 186mm, and wide is 108mm ~ 110mm; The base of square oscillator is provided with the opening of wide 11mm ~ 13mm, and draw the extension of long 15mm ~ 17mm downwards, the centre of extension is provided with the circular lug of diameter 4.8mm ~ 5.2mm, described circular lug protrudes from extension with the direction that the long limit with square oscillator is parallel, and the semicircle thickness at both sides protuberance distance 1.8mm ~ 2.2mm place, the center of circle is 0.6mm ~ 1.0mm.
Described antenna brace comprises the first plane, the second plane and the 3rd plane, described first plane and the second plane are 135 ° ~ 165 ° and arrange, described second plane is provided with for the tongue with figure lug close contact on extension, and the dual-side of the second plane is equipped with the shell fragment for fixed antenna brace; Described 3rd plane is spliced by a semicircle and rectangle, and stitching portion is provided with circular hole.
The two ends of described tongue are the semicircle of diameter 2.0mm ~ 2.2mm, and centre is long 7.3mm ~ 7.5mm, the rectangle of wide 2.0mm ~ 2.2mm, and tongue protrudes from the side of the second plane with arch, and raised face and extension close contact.
The inside of described upper cover is provided with the U-shaped groove for drawing feed line.
Also being fixed with pcb board in described pedestal, pcb board being integrated with the circuit that the TV signal conversion for being received by antenna exports.
Described circuit comprises transformer, electric capacity, the electronic component such as inductance and amplifier, the antenna element two ends of inserting in pedestal are electrically connected with transformer, one end output pin of transformer connects the first electric capacity C1 successively, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, 5th electric capacity C5, grounded inductor L1 is connected with between first electric capacity C1 and the second electric capacity C2, the 6th electric capacity C6 of ground connection is connected with between second electric capacity C2 and the 3rd electric capacity C3, grounded inductor L2 is connected with between 3rd electric capacity C3 and the 4th electric capacity C4, , the 7th electric capacity C7 of ground connection and the series circuit of inductance L 3 and the 8th electric capacity C8 is connected with between 4th electric capacity C4 and the 5th electric capacity C5, 8th electric capacity C8 ground connection, 5th electric capacity C5 connects the input to amplifier, connect feed line after the output of amplifier connects the 9th electric capacity C9 to export, the output of amplifier also connects inductance L 4 and the tenth electric capacity C10 series circuit, tenth electric capacity C10 ground connection, inductance L 5 is connected with between the feedback end of amplifier and feed line,
After antenna oscillator receives the TV signal of launching from television tower, impedance matching through transformer is changed, the circuit realiration high-pass filtering removing low frequency signal that first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, inductance L 1, the 6th electric capacity C6, inductance L 2 and the 7th electric capacity C7 are formed, be transferred to Set Top Box by feed line after being amplified by signal by amplifier or directly transfer to television set, after feed line is connected with the feedback end of amplifier by the Voltage Feedback that exports to amplifier, the operating voltage as amplifier is powered.
Beneficial effect compared with prior art: 1, the present invention adopts square oscillator, and the girth of square oscillator is close to half-wavelength, make the gain of antenna high, form that standing wave amplitude is little and the transmission amplitude-frequency characteristic of signal is good; 2, antenna oscillator of the present invention is fixed by antenna brace after inserting pedestal, enormously simplify the assembling of antenna assembly, for convenience detach and packed and transported; 3, the present invention loosens to prevent feed line or comes off from pcb board in drawing process, and in pedestal, arrange U-shaped groove, feed line can slow down the drawing dynamics to feed line through U-shaped groove; 4, the present invention adopts the voltage on feed line to power as the operating voltage of amplifier, and achieve TV signal and supply voltage co-cable transmission, circuit design is simply ingenious, reduces the production cost of pcb board.
Accompanying drawing illustrates:
Fig. 1 is explosive view of the present invention;
Fig. 2 is the structural representation of antenna element in the present invention;
Fig. 3 is the structural representation of antenna brace in the present invention;
Fig. 4 is the structural representation of upper cover in the present invention;
Fig. 5 is that the embodiment of the present invention one tests gain effect figure;
Fig. 6 is that the embodiment of the present invention one tests loss design sketch;
Fig. 7 is that the embodiment of the present invention two tests gain effect figure;
Fig. 8 is that the embodiment of the present invention two tests loss design sketch;
Fig. 9 is that the embodiment of the present invention three tests gain effect figure;
Figure 10 is that the embodiment of the present invention three tests loss design sketch;
Figure 11 is the circuit theory diagrams of pcb board in the present invention;
Figure 12 is the gain test design sketch of pcb board in the present invention.
Shown in figure: pedestal 100; Bottom 110; Upper cover 120; U-shaped groove 121; Notch 130; Antenna oscillator 200; Opening 210; Extension 220; Circular lug 230; Feed line 300; Antenna brace 400; First plane 410; Second plane 420; 3rd plane 430; Tongue 421; Shell fragment 422; Circular hole 431; Pcb board 500.
Embodiment:
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, a kind of antenna assembly with square oscillator, comprise pedestal 100, antenna oscillator 200 and feed line 300, wherein pedestal 100 comprises bottom 110 and upper cover 120, upper cover 120 is the table top of intermediate projections, and convex surface is provided with the notch 130 inserting antenna oscillator 200, is also provided with the antenna brace 400 with antenna oscillator 200 close contact in notch 130.
Embodiment one:
As shown in Figure 2, in the present embodiment, antenna oscillator 200 is the square oscillators be made up of the iron wire of diameter 2.8mm, and four of square oscillator knuckles are made up of the circular arc of radius 18mm, and the length of square oscillator is set to 185mm, is 109mm if wide; The base of square oscillator is provided with the opening 210 of wide 12mm, and draw the extension 220 of long 16mm downwards, the centre of extension 220 is provided with the circular lug 230 of diameter 5mm, circular lug 230 protrudes from extension 220 with the direction that the long limit with square oscillator is parallel, and the semicircle thickness at both sides protuberance distance 2mm place, the center of circle is 0.8mm.
As shown in Figure 3, antenna brace 400 comprises the first plane 410, second plane 420 and the 3rd plane 430, first plane 410 and the second plane 420 are arranged in 150 °, second plane 420 dual-side be provided with for tongue 421, second plane 420 with figure lug 230 close contact on extension 220 is equipped with the shell fragment 422 for fixed antenna brace 400; 3rd plane 430 is spliced by a semicircle and rectangle, and stitching portion is provided with circular hole 431.
Wherein the two ends of tongue 421 are set to the semicircle of diameter 2.1mm, and centre is the rectangle of long 7.4mm, wide 2.1mm, and tongue 421 protrudes from the side of the second plane 420 with arch, and raised face and extension 220 close contact.
As shown in Figure 4, the inside of upper cover 120 is provided with the U-shaped groove 121 for drawing feed line 300, that feed line 300 can slow down the drawing dynamics to feed line 300 through U-shaped groove 121 in order to prevent feed line 300 loose or dislocation in drawing process, arranging U-shaped groove in pedestal 100.
As shown in Figure 5, the antenna assembly of embodiment one is given and the radio wave of superfrequency UHF, the data obtained after the gain of testing example one antenna assembly, frequency acquisition point is 470MHz respectively, 550MHz, 650MHz, gain data during 862Mhz and 900MHz, in frequency range 470MHz ~ 860MHz, the gain ranging of embodiment one is 16dB ~ 23dB, and more close to frequency range 470MHz ~ 860MHz, gain is more large more obvious, larger with frequency range 470MHz ~ 860MHz gap, gain is then less, compared with general antenna assembly gain index 14dB ~ 17dB, the antenna assembly of embodiment one effectively improves the gain effect of television antenna.
As shown in Figure 6, the standing wave loss gathered when Frequency point 470MHz, 550MHz, 650MHz, 862Mhz and 900MHz is all less than 1.8dB, and from the lines of frequency range 470MHz ~ 860MHz, the standing wave of embodiment one is little, and loss is little.
Embodiment two:
If the iron wire diameter forming square oscillator is set to 2.6mm, four chamfer radius of square oscillator are set to 17mm, the length of square oscillator is 184mm, wide is 108mm, the wide of base opening of square oscillator is set to 11mm, the length of extension is set to 15mm, on extension, the diameter of circular lug is set to 4.8mm, the semicircle thickness at protuberance distance 1.8mm place, the center of circle, circular lug both sides is 0.6mm, in antenna brace, the first plane and the second plane are 135 ° and arrange, be long 7.3mm in the middle of the semicircle of to be the two ends of described tongue be the two ends of described tongue diameter 2.0mm, wide 2.0mm.
As shown in Figure 7: the antenna assembly of embodiment two is given and the radio wave of superfrequency UHF, the data obtained after the gain of testing example two antenna assembly, gain data when same frequency acquisition point is 470MHz, 550MHz, 650MHz, 862Mhz and 900MHz, in frequency range 470MHz ~ 860MHz, the gain ranging of embodiment two is 17dB ~ 22dB, has and significantly improve compared with general antenna gain index 14dB ~ 17dB.
The standing wave loss gathered when Frequency point 470MHz, 550MHz, 650MHz, 862Mhz and 900MHz as shown in Figure 8 is all less than 1.9dB, and from the lines of frequency range 470MHz ~ 860MHz, the standing wave of embodiment two is also little, and thus loss is also little.
Embodiment three:
If the iron wire diameter forming square oscillator is set to 3.0mm, four chamfer radius of square oscillator are set to 19mm, the length of square oscillator is 186mm, wide is 110mm, the wide of base opening of square oscillator is set to 13mm, the length of extension is set to 17mm, on extension, the diameter of circular lug is set to 5.2mm, the semicircle thickness at protuberance distance 2.2mm place, the center of circle, circular lug both sides is 1.0mm, in antenna brace, the first plane and the second plane are 165 ° and arrange, be long 7.5mm in the middle of the semicircle of to be the two ends of described tongue be the two ends of described tongue diameter 2.2mm, wide 2.2mm.
As shown in Figure 9: the antenna assembly of embodiment three is given and the radio wave of superfrequency UHF, the data obtained after the gain of testing example triantennary device, gain data when same frequency acquisition point is 470MHz, 550MHz, 650MHz, 862Mhz and 900MHz, in frequency range 470MHz ~ 860MHz, the gain ranging of embodiment three is 16dB ~ 22dB, has and significantly improve compared with general antenna gain index 14dB ~ 17dB.
As shown in Figure 10, the standing wave loss gathered when Frequency point 470MHz, 550MHz, 650MHz, 862Mhz and 900MHz is all less than 1.8dB, and from the lines of frequency range 470MHz ~ 860MHz, the standing wave of embodiment three is also little, and thus loss is also little.
Known from embodiments of the invention, the girth of square oscillator is close to the half-wavelength of reception radio wave, the gain of its antenna assembly standing wave amplitude that is higher, that formed is less, and the frequency range of China's radio and television uses 470MHz ~ 806MHz, from the known antenna assembly of the present invention of the test data of embodiment in the frequency range of China's radio and television, the transmission amplitude-frequency characteristic of signal is good, solves the problem of domestic aerial Received signal strength instability in prior art.
Further, in pedestal 100, being also fixed with pcb board 500, pcb board 500 being integrated with the circuit that the TV signal conversion for being received by antenna exports.
As shown in figure 11, circuit comprises transformer, electric capacity, the electronic component such as inductance and amplifier, the antenna element two ends of inserting in pedestal 100 are electrically connected with transformer, one end output pin of transformer connects the first electric capacity C1 successively, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, 5th electric capacity C5, grounded inductor L1 is connected with between first electric capacity C1 and the second electric capacity C2, the 6th electric capacity C6 of ground connection is connected with between second electric capacity C2 and the 3rd electric capacity C3, grounded inductor L2 is connected with between 3rd electric capacity C3 and the 4th electric capacity C4, , the 7th electric capacity C7 of ground connection and the series circuit of inductance L 3 and the 8th electric capacity C8 is connected with between 4th electric capacity C4 and the 5th electric capacity C5, 8th electric capacity C8 ground connection, 5th electric capacity C5 connects the input to amplifier, connect feed line 300 after the output of amplifier connects the 9th electric capacity C9 to export, the output of amplifier also connects inductance L 4 and the tenth electric capacity C10 series circuit, tenth electric capacity C10 ground connection, inductance L 5 is connected with between the feedback end of amplifier and feed line 300.
After antenna oscillator 200 receives the TV signal of launching from television tower, impedance matching through transformer is changed, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, 5th electric capacity C5, inductance L 1, 6th electric capacity C6, the circuit realiration high-pass filtering removing low frequency signal that inductance L 2 and the 7th electric capacity C7 are formed, be transferred to Set Top Box by feed line 300 after being amplified by signal by amplifier or directly transfer to television set, after feed line 300 is connected with the feedback end of amplifier by the Voltage Feedback that exports to amplifier, operating voltage as amplifier is powered.
The present invention adopts the voltage on feed line 300 to power as the operating voltage of amplifier, and achieve TV signal and supply voltage co-cable transmission, circuit design is simply ingenious, reduce the production cost of pcb board, and working loss is little.
Figure 12 be in the present invention when not inserting square oscillator, the gain effect resolution chart that pcb board 500 can reach, as can be known from Fig. 12, after the radio wave of given superfrequency UHF, the gain of pcb board 500 improves along with the raising of frequency, tends towards stability after frequency is greater than 470MHz, keeps gain within the scope of 18Db ~ 21dB, therefrom the gain effect of visible amplifier of the present invention in frequency range 470MHz ~ 860MHz is stablized, transmission China broadcast television signal that can be good.
The present invention is detachable apparatus, antenna oscillator 200 can insert pedestal 100, and fixed by above-mentioned antenna brace 400, enormously simplify the assembling of antenna assembly, when without the need to antenna assembly, extract antenna brace 400, just antenna oscillator 200 and pedestal 100 can be departed from, storage for convenience detach and packed and transported.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (6)
1. one kind has the antenna assembly of square oscillator, comprise pedestal, antenna oscillator and feed line, it is characterized in that: described pedestal comprises bottom and upper cover, described upper cover is the table top of intermediate projections, and convex surface is provided with the notch inserting antenna oscillator, is also provided with the antenna brace with antenna oscillator close contact in described notch; Described antenna oscillator is the square oscillator be made up of the wire of diameter 2.6mm ~ 3.0mm, and four of square oscillator chamferings are made up of the circular arc of radius 17mm ~ 19mm, and the length of square oscillator is 184mm ~ 186mm, and wide is 108mm ~ 110mm; The base of square oscillator is provided with the opening of wide 11mm ~ 13mm, and draw the extension of long 15mm ~ 17mm downwards, the centre of extension is provided with the circular lug of diameter 4.8mm ~ 5.2mm, described circular lug protrudes from extension with the direction that the long limit with square oscillator is parallel, and the semicircle thickness at both sides protuberance distance 1.8mm ~ 2.2mm place, the center of circle is 0.6mm ~ 1.0mm.
2. a kind of antenna assembly with square oscillator according to claim 1, it is characterized in that: described antenna brace comprises the first plane, the second plane and the 3rd plane, described first plane and the second plane are 135 ° ~ 165 ° and arrange, described second plane is provided with for the tongue with figure lug close contact on extension, and the dual-side of the second plane is equipped with the shell fragment for fixed antenna brace; Described 3rd plane is spliced by a semicircle and rectangle, and stitching portion is provided with circular hole.
3. a kind of antenna assembly with square oscillator according to claim 2, it is characterized in that: the two ends of described tongue are the semicircle of diameter 2.0mm ~ 2.2mm, centre is long 7.3mm ~ 7.5mm, the rectangle of wide 2.0mm ~ 2.2mm, and tongue protrudes from the side of the second plane with arch, and raised face and extension close contact.
4. a kind of antenna assembly with square oscillator according to claim 1, is characterized in that: the inside of described upper cover is provided with the U-shaped groove for drawing feed line.
5. a kind of antenna assembly with square oscillator according to claim 1, is characterized in that: be also fixed with pcb board in described pedestal, pcb board is integrated with the circuit that the TV signal conversion for being received by antenna exports.
6. a kind of antenna assembly with square oscillator according to claim 1, it is characterized in that: described circuit 5 comprises transformer, electric capacity, the electronic component such as inductance and amplifier, the antenna element two ends of inserting in pedestal are electrically connected with transformer, one end output pin first electric capacity C1 successively of transformer, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, 5th electric capacity C5, grounded inductor L1 is connected with between first electric capacity C1 and the second electric capacity C2, the 6th electric capacity C6 of ground connection is connected with between second electric capacity C2 and the 3rd electric capacity C3, grounded inductor L2 is connected with between 3rd electric capacity C3 and the 4th electric capacity C4, , the 7th electric capacity C7 of ground connection and the series circuit of inductance L 3 and the 8th electric capacity C8 is connected with between 4th electric capacity C4 and the 5th electric capacity C5, 8th electric capacity C8 ground connection, 5th electric capacity C5 connects the input to amplifier, connect feed line after the output of amplifier connects the 9th electric capacity C9 to export, the output of amplifier also connects inductance L 4 and the tenth electric capacity C10 series circuit, tenth electric capacity C10 ground connection, inductance L 5 is connected with between the feedback end of amplifier and feed line,
After antenna oscillator receives the TV signal of launching from television tower, impedance matching through transformer is changed, the circuit realiration high-pass filtering removing low frequency signal that first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, inductance L 1, the 6th electric capacity C6, inductance L 2 and the 7th electric capacity C7 are formed, be transferred to Set Top Box by feed line after being amplified by signal by amplifier or directly transfer to television set, after feed line is connected with the feedback end of amplifier by the Voltage Feedback that exports to amplifier, the operating voltage as amplifier is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441370.9A CN104300207A (en) | 2014-09-01 | 2014-09-01 | Antenna device with square oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441370.9A CN104300207A (en) | 2014-09-01 | 2014-09-01 | Antenna device with square oscillator |
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| Publication Number | Publication Date |
|---|---|
| CN104300207A true CN104300207A (en) | 2015-01-21 |
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ID=52319847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410441370.9A Pending CN104300207A (en) | 2014-09-01 | 2014-09-01 | Antenna device with square oscillator |
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| CN (1) | CN104300207A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52126729U (en) * | 1976-03-22 | 1977-09-27 | ||
| CN1055272A (en) * | 1990-03-28 | 1991-10-09 | 汤姆森消费电子有限公司 | Has the amplifier that to export maximum and power from a plurality of devices that possess limited sunken stream ability |
| GB2263360A (en) * | 1992-01-06 | 1993-07-21 | C & K Systems Inc | Planar microwave transceiver employing shared-ground-plane antenna |
| JP2005110164A (en) * | 2003-10-02 | 2005-04-21 | Matsushita Electric Ind Co Ltd | Dual-loop antenna device |
| CN201594579U (en) * | 2010-01-15 | 2010-09-29 | 北京阳光天成科技发展有限公司 | Antenna feeder connector protecting box |
| CN201829610U (en) * | 2010-07-23 | 2011-05-11 | 普宁市源丰电器有限公司 | Assembly structure of antenna oscillator |
| CN103538788A (en) * | 2012-07-12 | 2014-01-29 | 陈志权 | Plug assembling method and structure of electronic seal |
| CN103972657A (en) * | 2013-02-05 | 2014-08-06 | 天线直通股份有限公司 | Antenna assembly with tapered loop antenna elements |
| CN204144430U (en) * | 2014-09-01 | 2015-02-04 | 菲力克斯电子（宁波）有限公司 | A kind of antenna assembly with square oscillator |
-
2014
- 2014-09-01 CN CN201410441370.9A patent/CN104300207A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52126729U (en) * | 1976-03-22 | 1977-09-27 | ||
| CN1055272A (en) * | 1990-03-28 | 1991-10-09 | 汤姆森消费电子有限公司 | Has the amplifier that to export maximum and power from a plurality of devices that possess limited sunken stream ability |
| GB2263360A (en) * | 1992-01-06 | 1993-07-21 | C & K Systems Inc | Planar microwave transceiver employing shared-ground-plane antenna |
| JP2005110164A (en) * | 2003-10-02 | 2005-04-21 | Matsushita Electric Ind Co Ltd | Dual-loop antenna device |
| CN201594579U (en) * | 2010-01-15 | 2010-09-29 | 北京阳光天成科技发展有限公司 | Antenna feeder connector protecting box |
| CN201829610U (en) * | 2010-07-23 | 2011-05-11 | 普宁市源丰电器有限公司 | Assembly structure of antenna oscillator |
| CN103538788A (en) * | 2012-07-12 | 2014-01-29 | 陈志权 | Plug assembling method and structure of electronic seal |
| CN103972657A (en) * | 2013-02-05 | 2014-08-06 | 天线直通股份有限公司 | Antenna assembly with tapered loop antenna elements |
| CN204144430U (en) * | 2014-09-01 | 2015-02-04 | 菲力克斯电子（宁波）有限公司 | A kind of antenna assembly with square oscillator |
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Application publication date: 20150121 |
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