CN107104276B - Back feedback manifold type folded coil antenna and mobile terminal - Google Patents
Back feedback manifold type folded coil antenna and mobile terminal Download PDFInfo
- Publication number
- CN107104276B CN107104276B CN201710233061.6A CN201710233061A CN107104276B CN 107104276 B CN107104276 B CN 107104276B CN 201710233061 A CN201710233061 A CN 201710233061A CN 107104276 B CN107104276 B CN 107104276B
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- antenna
- dielectric substrate
- loop aerial
- microstrip line
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
-
- 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
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant 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
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/02—Collapsible antennas; Retractable antennas
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
Abstract
The present invention provides a kind of back to present manifold type folded coil antenna, including the antenna body being set on dielectric substrate, the antenna body includes the microstrip line set on dielectric substrate wherein one side, couple feed portion is equipped with close to edge in the dielectric substrate side vertical with microstrip line, couple feed portion is connect with microstrip line, it is equipped with earth plate in the another side of dielectric substrate, is equipped with loop aerial with couple feed portion position corresponding section on earth plate, loop aerial is coupled with couple feed portion；The side adjacent with loop aerial is equipped with bending part on the dielectric substrate, is equipped with tuning minor matters in the one side opposite with loop aerial on bending part, is provided with slot at loop aerial in earth plate.The present invention also provides a kind of mobile terminals.It compared with prior art, the present invention antenna radiator resonant frequencies can be used as by couple feed portion, and can be fed by coupled modes to loop aerial and slot, realize low frequency；Make antenna covering low frequency and higher frequency.
Description
Technical field
The present invention relates to a kind of antenna technology, especially a kind of back feedback manifold type folded coil antenna and mobile terminal.
Background technique
Mobile phone frequency range and standard are increasing in current mobile terminal, and the frequency range used is more and more extensive, with future 5G
The development of equal Technology of New Generation Mobile Communications, antenna for mobile phone have become the difficult point of mobile phone hardware design.Usual antenna for mobile phone is adopted
It is fed with front, with planar inverted F-shape antenna (PIFA), inverted F shaped antenna (IFA) and unipole antenna (monopole) and earth plate
Antenna resonance, the narrower bandwidth of resonance is applied in combination.Simultaneously face present mobile phone environment and layout, antenna adjustment difficulty compared with
Greatly.
Summary of the invention
In order to overcome the deficiencies of the prior art, the present invention provides a kind of for carrying on the back feedback manifold type folded coil antenna and movement eventually
End, to realize that antenna can cover low frequency and higher frequency.
The present invention provides a kind of back present manifold type folded coil antenna, including be set to dielectric substrate on antenna body,
The antenna body includes the microstrip line set on dielectric substrate wherein one side, close in the dielectric substrate side vertical with microstrip line
Edge is equipped with couple feed portion, and couple feed portion is connect with microstrip line, is equipped with earth plate in the another side of dielectric substrate, is connecing
It is equipped with loop aerial with couple feed portion position corresponding section on floor, loop aerial is coupled with couple feed portion；The medium
The side adjacent with loop aerial is equipped with bending part on substrate, is equipped with tuning in the one side opposite with loop aerial on bending part
Minor matters are provided with slot in earth plate at loop aerial, slot it is corresponding with couple feed portion position and with couple feed portion coupling
It closes；Couple feed portion, which is arranged, by the one side in dielectric substrate makes coupling by being coupled to the loop aerial of dielectric substrate another side
Antenna radiator resonant frequencies can be used as by closing current feed department, and can be fed by coupled modes to loop aerial and slot, be realized low
Frequently.
Further, the couple feed portion includes feeding stem portion, first humorous at left and right sides of feed stem portion
Vibration branch, the second resonance branch, the first resonance branch and the second resonance branch are vertical with microstrip line, the first resonance branch and second
The setting position of resonance branch is opposite；First resonance branch is set to and loop aerial position corresponding section；Second resonance point
Branch be set to groove location corresponding section, further increase the couple feed effect in couple feed portion Yu loop aerial and slot.
Further, second resonance branch includes the first sub-branch, first sub-branch and the first resonance branch
In parallel, it is equipped with the second sub-branch far from one end of feed stem portion in the first sub- branch, the second sub-branch and the first sub-branch hang down
Directly；When the structure can be avoided only the first sub-branch, it will lead to that length is inadequate in antenna adjustment, antenna resonance offset is asked
Topic；Meanwhile second sub-branch also increase coupling of the couple feed portion to slot.
Further, the loop aerial includes the antenna trunk of annular, the antenna protruded in the middle part of antenna trunk is arranged in
Branch, antenna branch are set to the antenna trunk side adjacent with minor matters are tuned, and the antenna trunk is vertical with microstrip line, realizes high
The broadband of frequency.
Further, the tuning minor matters include the tuning trunk of two L-shaped, and the tuning trunk includes and microstrip line
Vertical first tunes branch and tunes branch with the first tuning branch vertically disposed second, and two first tuning branches are adjacent
It is arranged, spacing is provided between two first tuning branches, two second tuning branches settings is parallel with microstrip line in bending part
Two sides；By adjusting the length of two first tuning branches, to control antenna resonance.
Further, the slot is thin-and-long slot, and the slot is vertical with microstrip line.
Further, the microstrip line is set to the centre of dielectric substrate.
Further, the microstrip line is 50 ohm microstrips.
Further, the resonance wavelength of the first resonance branch and the second resonance branch is equal, and realization is only needed by different
Length carrys out tuned antenna frequency.
It further include the back feedback manifold type folded coil day the present invention also provides a kind of mobile terminal, including backboard
Line, the dielectric substrate are made of backboard.
Compared with prior art, the present invention couple feed portion is arranged by the one side in dielectric substrate, it is situated between by being coupled to
The loop aerial of matter substrate another side makes couple feed portion that can pass through coupling side as antenna radiator resonant frequencies
Formula is fed to loop aerial and slot, realizes low frequency；Minor matters are tuned by adjusting, the frequency of tuned antenna makes antenna cover low frequency
699-980MHz and high frequency 1710-2690MHz frequency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of present media substrate back；
Fig. 2 is the positive structural schematic diagram of present media substrate；
Fig. 3 is present media substrate back and positive overlapping region schematic diagram；
Fig. 4 is present media substrate front side expanded schematic diagram.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, back of the invention presents manifold type folded coil antenna, including the day being set on dielectric substrate 1
Line ontology, dielectric substrate 1 are rectangle, have long side and short side, and the antenna body includes being set to the wherein one side of dielectric substrate 1
Microstrip line 2, which is 50 ohm microstrips, and microstrip line 2 prolongs from the side short side of dielectric substrate 1 towards other side short side
It stretches, is equipped with couple feed portion 3, couple feed portion 3 close to edge in the side vertical with microstrip line 2 of dielectric substrate 1 (short side)
Gap is provided between the long side and short side of dielectric substrate 1；Couple feed portion 3 is aerial radiation part, couple feed
Portion 3 is connect with microstrip line 2, is equipped with earth plate 5 in the another side of dielectric substrate 1, earth plate 5 covers monolith dielectric substrate 1, connecing
Loop aerial 4, the left and right and upside of loop aerial 4 and medium base are equipped on floor 5 with 3 position corresponding section of couple feed portion
Gap, couple feed portion 3 and 4 couple feed of loop aerial are equipped between the long side of piece 1, short side；On the dielectric substrate 1 with ring
The adjacent side of shape antenna 4 is equipped with bending part 6, is equipped with tuning minor matters 7 in the one side opposite with loop aerial 4 on bending part 6,
Slot 8 is provided at loop aerial 4 in earth plate 5, slot 8 is corresponding with 3 position of couple feed portion and couples, adjacent rings
Antenna 4, slot 8 and loop aerial 4 are Chong Die with couple feed portion 3 respectively.
7 left and right sides length of minor matters is tuned by adjusting, antenna resonance can be controlled；Slot 8 is for adjusting antenna low frequency
Resonance.
It is set as shown in Figure 1, being equipped with couple feed portion 3 and the region of loop aerial 4, slot 8 on medium substrate 1 for antenna
Area 9 is set, microstrip line 2 extends to the inside edge in antenna setting area 9, and the centre of dielectric substrate 1 is arranged in microstrip line 2, specially
On the position of two short side midpoints connection of dielectric substrate 1.
As shown in Figure 1, couple feed portion 3 includes feed stem portion 31, set on the first of 31 left and right sides of feed stem portion
Resonance branch 32, the second resonance branch 33, feed stem portion 31 are connect with microstrip line 2, the first resonance branch 32 and the second resonance
Branch 33 is vertical with microstrip line 2, and the setting position of the first resonance branch 32 and the second resonance branch 33 is on the contrary, specifically, first
The left side of feed stem portion 31 is arranged at the short side edge of medium substrate 1 in resonance branch 32, is used for and loop aerial coupling
It closes, the right side of feed stem portion 31 is arranged at the inside edge in antenna setting area 9 in the second resonance branch 33, is used for and slot
8 couplings；First resonance branch 32 is set to and 4 position corresponding section of loop aerial；Second resonance branch 33 is set to and slot 8
Corresponding section is set, to form zigzag configuration, Z-type structure can be used as antenna radiator resonant frequencies, and can give and pass through coupling side
Formula is fed to loop aerial 4 and slot 8, realizes low frequency.With conventional PIFA antenna (Planar Inverted F-shaped
Antenna planar inverted F-antenna) difference essentially consist in the back side feed and realize low frequency by coupled modes.
Specifically, the second resonance branch 33 includes the first sub-branch 331, the first sub- branch 331 and the first resonance point
Branch 32 is parallel, is equipped with the second sub-branch 332, the second sub-branch 332 far from one end of feed stem portion 31 in the first sub-branch 331
It is vertical with the first sub-branch 331；The length that second sub-branch 332 increases by the second resonance branch 33 come tuned antenna high frequency and
Couple the slot 8 of another side.When can be avoided only the first sub-branch 331 in this way, inadequate, the antenna that will lead to length in antenna adjustment
The problem of resonance shift；Meanwhile second sub-branch 332 also increase coupling of the zigzag configuration to slot 8.
The resonance wavelength of the first resonance branch 32 and the second resonance branch 33 is equal in the present invention, specially simultaneously resonance
0.25 wavelength.Because the frequency band that high frequency needs to cover is wider, need the first resonance branch 32 and the second resonance branch 33 real
The broadband of existing high frequency, Liang Ge branch is by 0.25 wavelength of resonance, by different length come tuned antenna frequency.
As shown in Fig. 2, the antenna trunk 41 that loop aerial 4 includes annular is equipped at the middle part of antenna trunk 41 towards 8 side of slot
To antenna branch 42 outstanding, antenna trunk 41 is rectangular ring, and long side is vertical with microstrip line 2, the left side of antenna trunk 41
1 left side long side of dielectric substrate is extended at marginal position, the right side of antenna trunk 41 extends to 1 right side long side of dielectric substrate
Edge, antenna branch 42 be arranged in antenna trunk 41 with tune on the opposite side of minor matters, make the hole among loop aerial 4
For concave shape.The interior perimeter of concave shape is the key parameter of loop aerial, and the principle of loop aerial is 1 wavelength of perimeter resonance,
By realizing resonance low frequency using 1.5 wavelength of loop aerial and 1 wavelength.
As shown in Fig. 2, tuning minor matters 7 include the tuning trunk 71 of two L-shaped, tuning trunk 71 includes and microstrip line 2
The first vertical tuning branch 72 and the second tuning branch 73 vertical with the first tuning branch 72, the first tuning branch 72 set
In on side of the bending part 6 far from dielectric substrate 1, be provided with spacing between two first tuning branches 72, the second tuning point
Branch 73 is separately positioned on the two sides parallel with microstrip line 2 of bending part 6 (left and right sides in figure), by adjusting two first tunings point
The length of branch 72, to control antenna resonance.
As shown in Fig. 2, slot 8 is thin-and-long slot, the slot 8 is vertical with microstrip line 2, and slot 8 is identical with the second sub-branch 332
Side extends on the edge adjacent thereto of dielectric substrate 1.
As shown in figure 3, dotted portion is the position of dielectric substrate 1, loop aerial 4 and slot 8, the first resonance branch in figure
32 end extends to 41 left side of antenna trunk and is overlapped, and the second resonance branch 33 is Chong Die with the right side of slot 8, feeds stem portion
31 lower end is also Chong Die with the middle part at the middle part of slot 8 and antenna trunk 41, feeds upper end and the antenna branch 42 of stem portion 31
Middle part overlapping.
From figure 3, it can be seen that the first resonance branch 32 of hypothesis is a4, feed master close to the side of 1 short side of dielectric substrate
31 left and right sides of cadre are respectively a3, are a1 on the downside of the first sub-branch 331, feed and are located at 2 left side of microstrip line on the downside of stem portion 31
The side of side is a5, and the second sub- branch 332 side adjacent with the long side of dielectric substrate 1 is a2, and the width of microstrip line 2 is c, the
The width of one resonance branch 32 and the second resonance branch 33 is b；By the couple feed of a1 and a2 and slot 8, to realize that slot 8 is low
Frequency resonance；By the couple feed to a3 and a4 and loop aerial 4, to realize the low-frequency resonant of loop aerial 4, loop aerial
It can be realized the broadband covering of low frequency with slot 8.
Figure 4, it is seen that H is the height of bending part 6 in figure, S is antenna headroom distance, and L is the length of earth plate 5
Degree, the length of mobile terminal is the length L of antenna headroom distance S+ earth plate 5, it is assumed that the length and width of slot 8 is respectively d1
And d2, the distance between slot 8 to 1 long side of dielectric substrate are d3, the hole in loop aerial 4 apart from 4 left and right edges of loop aerial with
And the spacing of slot 8 is e, can control loop aerial 4 (e increases, and hole will become smaller) by e, influences the resonance of loop aerial 4.
The distance between antenna branch 42 of loop aerial is f1, and the width of antenna branch 42 is f2, length f1, in loop aerial 4
Hole in the middle part of width be f3, the width of two bulge of hole point is f4, and the length in hole is f1+f4；By adjusting f1, f2, f3,
F4 is the key factor for determining low-frequency resonant, the length point of two first tuning branches 72 to realize the perimeter for influencing hole
Not Wei g1, g2, the width of width g3, the second tuning minor matters 73 are g4, by g1, g2, g3, g4, to realize tuned high frequency
Part, by changing g1, the length of g2, g3 can optimize high-frequency resonant.
The perimeter of mesoporous of the present invention passes through e, f1, f2, the several state modulators of f3, f4.Width-the f1-2f4 of e=mobile phone.I.e.
It is if f1 and f4 have determined that e is also determined that.
The invention also discloses a kind of mobile terminals, including backboard, further include above-mentioned back feedback manifold type folded coil day
Line, details are not described herein, wherein dielectric substrate 1 is made of backboard, bending part 6 be mobile terminal side, couple feed portion with
Touch screen position is corresponding.
Mobile terminal is mobile phone or plate in the present invention, can cover low frequency 699-980MHz, and high frequency covers 1710-
2690MHz, suitable for 2G, 3G of all mobile communication, the antenna of 4G cell phone.
Although the present invention has shown and described referring to specific embodiment, it should be appreciated by those skilled in the art that:
In the case where not departing from the spirit and scope of the present invention being defined by the claims and their equivalents, can carry out herein form and
Various change in details.
Claims (10)
1. a kind of back presents manifold type folded coil antenna, including the antenna body being set on dielectric substrate (1), it is characterised in that:
The antenna body includes the microstrip line (2) set on dielectric substrate (1) wherein one side, is hung down in dielectric substrate (1) and microstrip line (2)
Straight side is equipped with couple feed portion (3) close to the edge of microstrip line (2), and couple feed portion (3) are connect with microstrip line (2),
Earth plate (5) are equipped in the another side of dielectric substrate (1), are set on earth plate (5) with couple feed portion (3) position corresponding section
Have loop aerial (4), loop aerial (4) is coupled with couple feed portion (3)；On the dielectric substrate (1) with loop aerial (4) phase
Adjacent side is equipped with bending part (6), is equipped with tuning minor matters (7) in the one side opposite with loop aerial (4) on bending part (6),
It is provided with slot (8) at loop aerial (4) in earth plate (5), slot (8) is corresponding with couple feed portion (3) position and and coupling
Close current feed department (3) coupling；
Wherein, bending part side adjacent with loop aerial (4) along the dielectric substrate (1) is towards the earth plate
Side bending.
2. back according to claim 1 presents manifold type folded coil antenna, it is characterised in that: the couple feed portion (3)
Including feed stem portion (31), the first resonance branch (32) being set at left and right sides of feed stem portion (31), the second resonance branch
(33), the first resonance branch (32) and the second resonance branch (33) are vertical with microstrip line (2), the first resonance branch (32) and second
The setting position of resonance branch (33) is opposite；First resonance branch (32) is set to and loop aerial (4) position corresponding section；
Second resonance branch (33) is set to and slot (8) position corresponding section.
3. back according to claim 2 presents manifold type folded coil antenna, which is characterized in that second resonance branch
It (33) include the first sub-branch (331), first sub-branch (331) is parallel with the first resonance branch (32), in the first son point
Branch (331) is equipped with the second sub-branch (332) far from one end of feed stem portion (31), the second sub-branch (332) and the first son point
Branch (331) is vertical.
4. back according to claim 1 presents manifold type folded coil antenna, it is characterised in that: loop aerial (4) packet
Include the antenna trunk (41) of annular, the antenna branch (42) that setting is protruded in the middle part of antenna trunk (41), antenna branch (42) is set
In the adjacent side in antenna trunk (41) and tuning minor matters (7), the antenna trunk (41) is vertical with microstrip line (2).
5. back according to claim 1 presents manifold type folded coil antenna, it is characterised in that: tuning minor matters (7) packet
The tuning trunk (71) of two L-shaped is included, tuning trunk (71) includes the first tuning branch vertical with microstrip line (2)
(72) and with the first tuning branch (72) vertically disposed second branch (73) are tuned, two first tuning branches (72) are adjacent to be set
It sets, spacing is provided between two first tuning branches (72), the first tuning branch (72) is set to the separate of the bending part (6)
On the side of the dielectric substrate (1), two second tuning branch (73) settings are given an account of with the separate of the bending part (6)
On the adjacent two sides in the side of matter substrate (1).
6. back according to claim 1 presents manifold type folded coil antenna, it is characterised in that: the slot (8) is thin-and-long
Slot, the slot (8) are vertical with microstrip line (2).
7. back according to claim 1 presents manifold type folded coil antenna, it is characterised in that: the microstrip line (2) is set to
The centre of dielectric substrate (1).
8. back according to claim 7 presents manifold type folded coil antenna, it is characterised in that: the microstrip line (2) is 50
Ohm microstrip.
9. back according to claim 2 or 3 presents manifold type folded coil antenna, it is characterised in that: the first resonance branch
(32) and the resonance wavelength of the second resonance branch (33) is equal.
10. a kind of mobile terminal, including backboard, it is characterised in that: further include back as claimed in any one of claims 1 to 9
Manifold type folded coil antenna is presented, the dielectric substrate (1) is made of backboard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710233061.6A CN107104276B (en) | 2017-04-11 | 2017-04-11 | Back feedback manifold type folded coil antenna and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710233061.6A CN107104276B (en) | 2017-04-11 | 2017-04-11 | Back feedback manifold type folded coil antenna and mobile terminal |
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| CN107104276A CN107104276A (en) | 2017-08-29 |
| CN107104276B true CN107104276B (en) | 2019-06-21 |
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| CN201710233061.6A Active CN107104276B (en) | 2017-04-11 | 2017-04-11 | Back feedback manifold type folded coil antenna and mobile terminal |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768842B (en) * | 2017-09-14 | 2023-10-17 | 深圳市信维通信股份有限公司 | Antenna unit and array antenna for 5G mobile communication |
| CN114914665B (en) * | 2021-02-08 | 2023-09-22 | 华为技术有限公司 | Antenna and terminal equipment |
| CN114024137B (en) * | 2021-11-09 | 2023-07-14 | 安徽大学 | Multi-loop resonance structure and MIMO antenna communication system |
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|---|---|---|---|---|
| CN102544714A (en) * | 2010-12-08 | 2012-07-04 | 上海安费诺永亿通讯电子有限公司 | Folding small-sized broad-band antenna |
| EP2445053B1 (en) * | 2010-10-22 | 2013-06-26 | Acer Incorporated | Mobile communication device and antenna |
| CN103384028A (en) * | 2012-05-02 | 2013-11-06 | 宏碁股份有限公司 | Moving device |
| CN203774450U (en) * | 2013-08-22 | 2014-08-13 | 广东工业大学 | Novel annular mobile phone antenna containing parasitic element coupled feeding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201126811A (en) * | 2010-01-27 | 2011-08-01 | Chi Mei Comm Systems Inc | Antenna module |
| CN105514594B (en) * | 2014-10-13 | 2018-05-22 | 深圳富泰宏精密工业有限公司 | Slot antenna and the wireless communication device with the slot antenna |
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2017
- 2017-04-11 CN CN201710233061.6A patent/CN107104276B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2445053B1 (en) * | 2010-10-22 | 2013-06-26 | Acer Incorporated | Mobile communication device and antenna |
| CN102544714A (en) * | 2010-12-08 | 2012-07-04 | 上海安费诺永亿通讯电子有限公司 | Folding small-sized broad-band antenna |
| CN103384028A (en) * | 2012-05-02 | 2013-11-06 | 宏碁股份有限公司 | Moving device |
| CN203774450U (en) * | 2013-08-22 | 2014-08-13 | 广东工业大学 | Novel annular mobile phone antenna containing parasitic element coupled feeding |
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| CN107104276A (en) | 2017-08-29 |
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