CN106505323A - Low frequency broadband mobile terminal antenna is realized using double resonance - Google Patents
Low frequency broadband mobile terminal antenna is realized using double resonance Download PDFInfo
- Publication number
- CN106505323A CN106505323A CN201611120067.4A CN201611120067A CN106505323A CN 106505323 A CN106505323 A CN 106505323A CN 201611120067 A CN201611120067 A CN 201611120067A CN 106505323 A CN106505323 A CN 106505323A
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- China
- Prior art keywords
- antenna
- ground wire
- ground
- low frequency
- feeder line
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/04—Multimode antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
Abstract
The present invention relates to one kind realizes low frequency broadband mobile terminal antenna using double resonance, it is characterized in that, printed circuit board and antenna part constitute whole mobile terminal antenna, antenna part is depended on support, as being integrally located at printed circuit board (PCB) upper end, antenna part includes feeder line, first ground wire, second ground wire, antenna radiator, the two ends of feeder line connect antenna radiator and feed respectively, feeder line, first ground wire and the second ground wire pass through input matching circuit respectively, first grounded inductor, second grounded inductor connection antenna radiator and printed circuit board.The present invention realizes low frequency 690MHz 1GHz frequency coverages, reaches the effect of wideband.This invention can effectively adopt ground wire, can effectively widen the bandwidth of high frequency low frequency part on the basis of product integral miniaturization.The covering requirement of forth generation mobile communication standard 4G LTE low frequency bands and GSM low frequency bands can be met, while antenna has preferable efficiency and gain.
Description
[technical field]
The invention belongs to novel mobile terminal antenna, more particularly to one kind realizes low frequency wideband using new double resonance technology
Tape movement terminal antenna.
[background technology]
Modern wireless communication equipment is required to cover frequency range as wide as possible to realize more functions.But it is little to mobile phone etc.
For type terminal embedded type antenna, in limited space, Antenna Design obtains very big constraint, it is difficult to realize broadband.Existing
Wide frequency technology mainly have port match, low frequency coupling and double low frequencies three kinds of cabling.Port match technology is needed in input
LC networks are added in port, and bandwidth raising is limited, and the increase of matching element can cause energy loss to increase, and antenna efficiency is often
Than relatively low；Low frequency coupling technique couples generation using prolongedly cabling with the main detail of antenna, and required day space of lines is greatly increased, and
Coupling effect is affected by environment big, and antenna performance is typically poor；Double low frequencies routing technology can be multiplied a day space of lines, and
Inapplicable miniaturization mobile terminal antenna design.The present invention devises one kind and realizes low frequency broadband using new double resonance technology
Mobile terminal antenna, frequency coverage 690MHz-1GHz, while realize efficientibility energy.The new double resonance skill of present invention design
Art realizes two kinds of modes of resonance under single cabling, can expand significantly bandwidth range, and bandwidth range is conventional PIFA antenna
, efficient aerial radiation is realized while antenna area occupied is not increased, be suitable for minimized wide-band antenna and set by about 3.5 times
Meter, can promote the use of in the different mobile terminal Antenna Design of each different frequency range, with very strong practicality.
[content of the invention]
The invention provides one kind realizes low frequency broadband mobile terminal antenna using double resonance, the novel mobile terminal day
Line includes：1 feeder line, 2 first ground wires, 3 second ground wires, 4 antenna radiators, 5 printed circuit boards, 6 input matching circuits, 7
First grounded inductor, 8 second grounded inductors, 9 feeds；Printed circuit board is mainly pcb board, and upper end is provided with antenna part；Antenna
Part includes feeder line, the first ground wire, the second ground wire, input matching circuit, the first grounded inductor, the second grounded inductor, day
Beta radiation body, wherein feeder line, ground wire, antenna radiator are attached to plastic stent surface；Printed circuit board and antenna part structure
Into whole antenna system.
Wherein,
Feeder line：One section of microstrip line for connecting feed and antenna radiator is expressed as in figure one, but is not limited to microstrip line,
It can be the connecting line of shell foot, thimble etc. for transmission signal.
First ground wire：First ground wire is connected antenna radiator and ground terminal with the first grounded inductor.First ground wire is
Near-earth ground wire, plays the function of changing CURRENT DISTRIBUTION and impedance conversion, jointly real with the second ground wire and the second grounded inductor
Existing double resonance.First ground wire is closer apart from feeder line, generally 2～10mm.First ground connection line position is not limited to feeder line
Right side, or the left side of feeder line, it is similar to traditional PIFA antenna ground line positions.
Second ground wire：Second ground wire is connected antenna radiator and ground terminal with the second grounded inductor.Second ground wire is
Remote ground ground wire, plays the function of changing CURRENT DISTRIBUTION and impedance conversion.Second ground wire, the second grounded inductor, the first ground connection
Line, the first grounded inductor, feeder line, input matching circuit generate three kinds of LOOP structures, excite high-frequency resonant mode, widen significantly day
Beta radiation bandwidth.Second ground wire positional distance feeder line farther out, is distributed in aerial radiation side.
Antenna radiator：Major part of the antenna radiator for aerial radiation, common with the first ground wire and the second ground wire
With the aerial radiation for realizing double resonance.Be in the less space in realize low-frequency resonant, antenna shown in figure one, two for U-shaped walk
Line form, but this double resonance invention is not limited to fixed antenna cabling form, antenna radiator can be linear for arbitrarily walking
Formula.
Printed circuit board：, on printed circuit board, printed circuit board is mainly as antenna ground for feed.
Input matching circuit：It is series capacitance described in figure, but is not limited to single matching element.New double resonance technology
Only need input port that there is the match circuit in capacitive reactances conversion.Signal enters feedback by feed by input matching circuit
Line and antenna radiator.Input matching circuit is primarily to facilitate high-frequency resonant mode generation.
First grounded inductor：It is inductance described in figure, but is not limited to inductance, or very long ground connection cabling,
Other matching elements can be added on the basis of shunt inductance.New double resonance technology only needs the first ground wire via perception coupling
Circuit in parallel is to ground.Antenna radiator is grounded the first grounded inductor of line parallel to ground through the first of near end.First grounded inductor
Inductance value is less, produces traditional PIFA type low frequency resonant modes with antenna radiator.
Second grounded inductor：It is inductance described in figure, but is not limited to inductance, or very long ground connection cabling,
Other matching elements can be added on the basis of shunt inductance.New double resonance technology only needs the second ground wire via perception coupling
Circuit in parallel is to ground.Antenna radiator is grounded the second grounded inductor of line parallel to ground through the second of remote ground terminal.Second grounded inductor
Inductance value is larger, and the LOOP structures generated with antenna radiator and feeder line promote the generation of high-frequency resonant mode.
Ground wire is attached on support and connects antenna and printed circuit board, feeder line connection feed and day by match circuit
Beta radiation body.Antenna produces two kinds of different modes of resonance, low frequency resonant modes and high-frequency resonant mode, principle such as three institute of figure
Show.Wherein, low frequency resonant modes are similar to common PIFA antennas, by antenna radiator, input matching circuit, the first ground wire with
First grounded inductor collective effect is produced, and antenna radiator total length is approximately equal to λ/4 wavelength length of low-frequency resonant frequency；High frequency
Mode of resonance is connect with second by antenna radiator, input matching circuit, the first ground wire and the first grounded inductor, the second ground wire
Ground inductance collective effect is produced, and high-frequency resonant frequency can be by the second ground connection line position, the second grounded inductor size adjustment.Two ground connection
Line generates three kinds of LOOP structures with grounded inductor with feeder line and antenna radiator, and wherein feeder line, antenna radiator and second connects
The LOOP structures that ground wire and the second grounded inductor are generated are greatly facilitated the generation of high-frequency resonant mode.Two kinds of different modes of resonance
Under effect, the new double resonance technology of the present invention has widened frequency bandwidth significantly, compares general PIFA fabric bandwidths and increased
About 3.5 times, and antenna area need not be increased.
The present invention is using by the first ground wire and the first grounded inductor, the second ground wire and the second grounded inductor, antenna
Radiant body and input matching circuit are collectively forming the aerial radiation under two kinds of modes of resonance；Two kinds of resonant frequencies are closer to,
The aerial radiation of achievable low frequency broadband 690MHz-1GHz.
Beneficial effects of the present invention are：Low frequency broadband mobile terminal antenna is realized using double resonance, is grounded by first
Line and the first grounded inductor, the second ground wire and the second grounded inductor and antenna input matching circuit are collectively forming both of which
Under aerial radiation, realize low frequency 690MHz-1GHz frequency coverages, reach the effect of wideband.This invention can be effective
Using the second ground wire, the bandwidth of low frequency part can be effectively widened on the basis of antenna size is not increased, be disclosure satisfy that
The covering of the frequency range and GSM frequency ranges of forth generation mobile communication standard 4G LTE is required, while antenna has fine efficiency.
[description of the drawings]
Fig. 1 is antenna external structure schematic diagram
Fig. 2 is antenna sectional view
Fig. 3 is double resonance principle schematic
Fig. 4 is antenna return loss S parameter figure
Fig. 5 is antenna efficiency figure
Description of symbols in figure
1 feeder line, 2 first ground wires, 3 second ground wires, 4 antenna radiators, 5 printed circuit boards, 6 input couplings
Circuit, 7 first grounded inductors, 8 second grounded inductors, 9 feeds.
[specific embodiment]
In order to become apparent from, effectively illustrate the embodiment of the present invention technical scheme, in conjunction with drawings and Examples to this
Bright technical scheme is further elaborated, it is believed that be clearly for a person skilled in the art.
As depicted in figs. 1 and 2, the antenna part is depended on support, used as being integrally located above printed circuit board (PCB).1
Feeder line connects 4 antenna radiators and 9 feeds, and 2 first ground wires and 3 second ground wires pass through 7,8 first grounded inductors and second
Grounded inductor connection antenna radiator 9 and printed circuit board 5.Connect by antenna radiator, input matching circuit, far and near two, end
Ground wire and corresponding grounded inductor collective effect, realize two kinds of mode of resonance aerial radiations, and principle is as shown in Figure 3.So as to realize
Low frequency double resonance.The low frequency broadband that the present invention is realized has antenna radiation performance more carefully, as shown in figure four, figure five.
Fig. 4 is the low frequency double resonance reflection coefficient of port loss under new double resonance technology.According to Fig. 4, the present invention's is double
Resonant antenna can realize that two kinds of modes of resonance, two resonant frequencies are closer to, and produce double resonance effect, widened significantly low frequency
Frequency range.
Fig. 5 is the low frequency dual-resonant antenna efficiency under new double resonance technology.According to figure five, the double resonance of the present invention
Antenna can reach extraordinary antenna efficiency in the range of wider low frequency band.
Wherein,
Feeder line：One section of microstrip line for connecting feed and antenna radiator is expressed as in figure one, but is not limited to microstrip line,
It can be the connecting line of shell foot, thimble etc. for transmission signal.
First ground wire：First ground wire is connected antenna radiator and ground terminal with the first grounded inductor.First ground wire is
Near-earth ground wire, plays the function of changing CURRENT DISTRIBUTION and impedance conversion, jointly real with the second ground wire and the second grounded inductor
Existing double resonance.First ground wire is closer apart from feeder line, generally 2～10mm.First ground connection line position is not limited to feeder line
Right side, or the left side of feeder line, it is similar to traditional PIFA antenna ground line positions.
Second ground wire：Second ground wire is connected antenna radiator and ground terminal with the second grounded inductor.Second ground wire is
Remote ground ground wire, plays the function of changing CURRENT DISTRIBUTION and impedance conversion.Second ground wire, the second grounded inductor, the first ground connection
Line, the first grounded inductor, feeder line, input matching circuit generate three kinds of LOOP structures, excite high-frequency resonant mode, widen significantly day
Beta radiation bandwidth.Second ground wire positional distance feeder line farther out, is distributed in aerial radiation side.
Antenna radiator：Major part of the antenna radiator for aerial radiation, common with the first ground wire and the second ground wire
With the aerial radiation for realizing double resonance.Be in the less space in realize low-frequency resonant, antenna shown in figure one, two for U-shaped walk
Line form, but this double resonance invention is not limited to fixed antenna cabling form, antenna radiator can be linear for arbitrarily walking
Formula.
Printed circuit board：, on printed circuit board, printed circuit board is mainly as antenna ground for feed.
Input matching circuit：It is series capacitance described in figure, but is not limited to single matching element.New double resonance technology
Only need input port that there is the match circuit in capacitive reactances conversion.Signal enters feedback by feed by input matching circuit
Line and antenna radiator.Input matching circuit is primarily to facilitate high-frequency resonant mode generation.
First grounded inductor：It is inductance described in figure, but is not limited to inductance, or very long ground connection cabling,
Other matching elements can be added on the basis of shunt inductance.New double resonance technology only needs the first ground wire via perception coupling
Circuit in parallel is to ground.Antenna radiator is grounded the first grounded inductor of line parallel to ground through the first of near end.First grounded inductor
Inductance value is less, produces traditional PIFA type low frequency resonant modes with antenna radiator.
Second grounded inductor：It is inductance described in figure, but is not limited to inductance, or very long ground connection cabling,
Other matching elements can be added on the basis of shunt inductance.New double resonance technology only needs the second ground wire via perception coupling
Circuit in parallel is to ground.Antenna radiator is grounded the second grounded inductor of line parallel to ground through the second of remote ground terminal.Second grounded inductor
Inductance value is larger, and the LOOP structures generated with antenna radiator and feeder line promote the generation of high-frequency resonant mode.
Ground wire is attached on support and connects antenna and printed circuit board, feeder line connection feed and day by match circuit
Beta radiation body.Antenna produces two kinds of different modes of resonance, low frequency resonant modes and high-frequency resonant mode, principle such as three institute of figure
Show.Wherein, low frequency resonant modes are similar to common PIFA antennas, by antenna radiator, input matching circuit, the first ground wire with
First grounded inductor collective effect is produced, and antenna radiator total length is approximately equal to λ/4 wavelength length of low-frequency resonant frequency；High frequency
Mode of resonance is connect with second by antenna radiator, input matching circuit, the first ground wire and the first grounded inductor, the second ground wire
Ground inductance collective effect is produced, and high-frequency resonant frequency can be by the second ground connection line position, the second grounded inductor size adjustment.Two ground connection
Line generates three kinds of LOOP structures with grounded inductor with feeder line and antenna radiator, and wherein feeder line, antenna radiator and second connects
The LOOP structures that ground wire and the second grounded inductor are generated are greatly facilitated the generation of high-frequency resonant mode.Two kinds of different modes of resonance
Under effect, the new double resonance technology of the present invention has widened frequency bandwidth significantly, compares general PIFA fabric bandwidths and increased
About 3.5 times, and antenna area need not be increased.
The present invention is using by the first ground wire and the first grounded inductor, the second ground wire and the second grounded inductor, antenna
Radiant body and input matching circuit are collectively forming the aerial radiation under two kinds of modes of resonance；Two kinds of resonant frequencies are closer to,
The aerial radiation of achievable low frequency broadband 690MHz-1GHz.
Claims (9)
1. one kind realizes low frequency broadband mobile terminal antenna using double resonance, it is characterised in that include：Feeder line (1), first connect
Ground wire (2), the second ground wire (3), antenna radiator (4), printed circuit board (5), input matching circuit (6), the first ground connection electricity
Sense (7), the second grounded inductor (8), feed (9), printing board PCB plate, upper end is provided with antenna part；The antenna part subpackage
Include feeder line (1), the first ground wire (2), the second ground wire (3), input matching circuit (6), the first grounded inductor (7), second connect
Ground inductance (8), antenna radiator (4), feeder line (1), the first ground wire (2) and the second ground wire (3) are mated by input respectively
Circuit (6), the first grounded inductor (7), the second grounded inductor (8) are connected to printed circuit board (5), the two ends difference of feeder line (1)
Connection antenna radiator (4) and feed (9), printed circuit board (5) and antenna part constitute whole antenna system.
2. one kind as claimed in claim 1 realizes low frequency broadband mobile terminal antenna using double resonance, it is characterised in that its
Middle feeder line, ground wire, antenna radiator are attached to plastic stent surface.
3. one kind as claimed in claim 1 realizes low frequency broadband mobile terminal antenna using double resonance, it is characterised in that institute
It is one section of microstrip line for connecting feed and antenna radiator to state feeder line, but is not limited to microstrip line, alternatively shell foot, thimble etc.
Connecting element for transmission signal.
4. one kind as claimed in claim 1 realizes low frequency broadband mobile terminal antenna using double resonance, it is characterised in that institute
State the first ground wire and be connected antenna radiator and ground terminal with the first grounded inductor, the first ground wire is near-earth ground wire, and first connects
Ground linear distance feeder line is closer, generally 2～10mm；First ground connection line position is not limited to the right side of feeder line, or feedback
The left side of line.
5. one kind as claimed in claim 1 realizes low frequency broadband mobile terminal antenna using double resonance, it is characterised in that the
Two the second grounded inductors of ground wire connection antenna radiator and ground terminal, the second ground wire is remote ground ground wire, the second ground wire, the
The LOOP structures that two grounded inductors, the first ground wire, the first grounded inductor, feeder line, input matching circuit are generated can excite height
Frequency mode of resonance, widens aerial radiation bandwidth significantly；Second ground wire positional distance feeder line farther out, is distributed in antenna radiator
Side.
6. one kind as claimed in claim 1 realizes low frequency broadband mobile terminal antenna using double resonance, it is characterised in that day
Beta radiation body is the major part of aerial radiation, realizes jointly the antenna spoke of double resonance with the first ground wire and the second ground wire
Penetrate, antenna radiator can be any cabling form.
7. one kind as claimed in claim 1 realizes low frequency broadband mobile terminal antenna using double resonance, it is characterised in that defeated
Enter only to need in match circuit input port that there is the match circuit converted in capacitive reactances, signal is by feed by input
Feeder line and antenna radiator are entered with circuit.
8. one kind as claimed in claim 1 realizes low frequency broadband mobile terminal antenna using double resonance, it is characterised in that the
One grounded inductor：Using inductance or very long ground connection cabling adds other matching elements on the basis of shunt inductance, only needs the
One ground wire is parallel to ground via perceptual match circuit, and antenna radiator is grounded electricity through the first ground connection line parallel first of near end
Feel ground.First grounded inductor inductance value is less, produces traditional PIFA type low frequency resonant modes with antenna radiator.
9. one kind as claimed in claim 1 realizes low frequency broadband mobile terminal antenna using double resonance, it is characterised in that the
Two grounded inductors adopt inductance or add other matching elements for very long ground connection cabling or on the basis of shunt inductance, only need the
Two ground wires are parallel to ground via perceptual match circuit, and antenna radiator is grounded electricity through the second ground connection line parallel second of remote ground terminal
Feel ground, the second grounded inductor inductance value is larger, the LOOP structures generated with antenna radiator and feeder line promote high-frequency resonant
The generation of pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120067.4A CN106505323A (en) | 2016-12-08 | 2016-12-08 | Low frequency broadband mobile terminal antenna is realized using double resonance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120067.4A CN106505323A (en) | 2016-12-08 | 2016-12-08 | Low frequency broadband mobile terminal antenna is realized using double resonance |
Publications (1)
| Publication Number | Publication Date |
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| CN106505323A true CN106505323A (en) | 2017-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611120067.4A Withdrawn CN106505323A (en) | 2016-12-08 | 2016-12-08 | Low frequency broadband mobile terminal antenna is realized using double resonance |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134194A (en) * | 2017-12-20 | 2018-06-08 | 上海煜鹏通讯电子股份有限公司 | A kind of miniaturization WLAN dual-band PIFA antennas |
| CN108682951A (en) * | 2018-06-28 | 2018-10-19 | 深圳市恒祥通天线技术有限公司 | A kind of low-frequency range small size antenna |
| CN114069227A (en) * | 2020-07-29 | 2022-02-18 | 成都鼎桥通信技术有限公司 | Multi-band antenna |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090273530A1 (en) * | 2008-05-05 | 2009-11-05 | Acer Incorporated | Couple-fed multi-band loop antenna |
| CN101958723A (en) * | 2010-09-17 | 2011-01-26 | 惠州Tcl移动通信有限公司 | Mobile terminal and antenna matching method thereof |
| CN103534873A (en) * | 2013-01-16 | 2014-01-22 | 华为终端有限公司 | Multi-frequency antenna feed matching device, multi-frequency antennas and wireless communications equipment |
| US20150145738A1 (en) * | 2013-11-22 | 2015-05-28 | Acer Incorporated | Communication device with coupled-fed multiband antenna element |
| CN104716428A (en) * | 2015-03-13 | 2015-06-17 | 惠州Tcl移动通信有限公司 | Antenna bandwidth expansion device and mobile terminal |
| CN105514624A (en) * | 2015-12-23 | 2016-04-20 | 广东欧珀移动通信有限公司 | Mobile terminal antenna system and mobile terminal |
| CN105609969A (en) * | 2016-02-22 | 2016-05-25 | 深圳市金立通信设备有限公司 | Communication terminal |
| CN205646164U (en) * | 2016-05-23 | 2016-10-12 | 广东欧珀移动通信有限公司 | Terminal antenna and intelligent terminal |
| CN207303376U (en) * | 2016-12-08 | 2018-05-01 | 上海煜鹏通讯电子股份有限公司 | Low frequency broadband mobile terminal antenna is realized using double resonance |
-
2016
- 2016-12-08 CN CN201611120067.4A patent/CN106505323A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090273530A1 (en) * | 2008-05-05 | 2009-11-05 | Acer Incorporated | Couple-fed multi-band loop antenna |
| CN101958723A (en) * | 2010-09-17 | 2011-01-26 | 惠州Tcl移动通信有限公司 | Mobile terminal and antenna matching method thereof |
| CN103534873A (en) * | 2013-01-16 | 2014-01-22 | 华为终端有限公司 | Multi-frequency antenna feed matching device, multi-frequency antennas and wireless communications equipment |
| US20150145738A1 (en) * | 2013-11-22 | 2015-05-28 | Acer Incorporated | Communication device with coupled-fed multiband antenna element |
| CN104716428A (en) * | 2015-03-13 | 2015-06-17 | 惠州Tcl移动通信有限公司 | Antenna bandwidth expansion device and mobile terminal |
| CN105514624A (en) * | 2015-12-23 | 2016-04-20 | 广东欧珀移动通信有限公司 | Mobile terminal antenna system and mobile terminal |
| CN105609969A (en) * | 2016-02-22 | 2016-05-25 | 深圳市金立通信设备有限公司 | Communication terminal |
| CN205646164U (en) * | 2016-05-23 | 2016-10-12 | 广东欧珀移动通信有限公司 | Terminal antenna and intelligent terminal |
| CN207303376U (en) * | 2016-12-08 | 2018-05-01 | 上海煜鹏通讯电子股份有限公司 | Low frequency broadband mobile terminal antenna is realized using double resonance |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134194A (en) * | 2017-12-20 | 2018-06-08 | 上海煜鹏通讯电子股份有限公司 | A kind of miniaturization WLAN dual-band PIFA antennas |
| CN108682951A (en) * | 2018-06-28 | 2018-10-19 | 深圳市恒祥通天线技术有限公司 | A kind of low-frequency range small size antenna |
| CN114069227A (en) * | 2020-07-29 | 2022-02-18 | 成都鼎桥通信技术有限公司 | Multi-band antenna |
| CN114069227B (en) * | 2020-07-29 | 2024-02-13 | 成都鼎桥通信技术有限公司 | Multiband antenna |
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Application publication date: 20170315 |
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