CN106785352A - A kind of antenna for mobile phone and its mobile phone - Google Patents
A kind of antenna for mobile phone and its mobile phone Download PDFInfo
- Publication number
- CN106785352A CN106785352A CN201611264793.3A CN201611264793A CN106785352A CN 106785352 A CN106785352 A CN 106785352A CN 201611264793 A CN201611264793 A CN 201611264793A CN 106785352 A CN106785352 A CN 106785352A
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- antenna
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- mobile phone
- gap
- open circuit
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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
- H01Q1/12—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
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
The present invention discloses a kind of antenna for mobile phone and its mobile phone, the antenna for mobile phone includes dielectric-slab, is arranged at the ground of dielectric-slab bottom surface, is arranged at the feed line of medium plate top surface, a key shape open circuit gap and a rectangle open circuit gap are provided with the ground, and lower rectangular metal paster is provided with the inner lower edge in key shape open circuit gap；Feed line uses the bending structure containing key shape part, and the lower edge of the key shape part of feed line is provided with rectangular metal paster, and the projection on the ground of the key shape part of feed line and key shape gap of opening a way overlap；Border bending of bending structure of the feed line in addition to the key shape part projection on the ground around rectangle open circuit gap；It can reduce low-frequency range cut-off frequency so that low-frequency range has bandwidth wide, realizes Broadband Matching, the bandwidth of antenna low-frequency range is widened, high band is covered, the return loss of high band is reduced, high band bandwidth is improved, reservation printed antenna SAR value is relatively low, antenna performance is by the small advantage of body effect.
Description
Technical field
The present invention relates to communication technique field, and in particular to a kind of antenna for mobile phone and its mobile phone.
Background technology
With the development of smart mobile phone, its beamwidth of antenna needs covering mobile radio communication, WLAN (Wireless
Local Area Network, WLAN) multiple frequency bands.The primary bands of WLAN include 2.4GHz (2.4-2.4835GHz) and
5GHz(5.15-5.825GHz).The primary bands of current mobile radio communication include：GSM850 (824-894MHz), GSM900
(880-960MHz), DCS (1710-1880MHz), PCS (1850-1990MHz), LTE700 (698-787MHz), LTE2300
(2305-2400MHz), LTE2500 (2500-2690MHz) etc.；Although its conventional printed slot type antenna for mobile phone has SAR
Be worth relatively low, antenna performance by the small advantage of body effect, but its gap is in the narrow bandwidth of low-frequency range, be only capable of covering GSM850 with
GSM900, it is difficult to cover LTE700 frequency ranges.
Existing key shape slot type antenna for mobile phone, its structure is to be provided with a rectangle on the ground to be mixed with circular combined
Structure gap is closed, gap top retains one without metallic region, and feed structure is microstrip line and a circular patch and one
The bending structure that rectangular patch is constituted, the overbending direction of feed line is in opposite direction with the open circuit in gap, and although the antenna covers
The high band 1.71-11GHz of operating handset, but the problem that cannot cover low-frequency range is still present.
The content of the invention
The invention provides a kind of antenna for mobile phone and its mobile phone, to solve that in the presence of prior art low frequency cannot be covered
The problem of section, while retaining, its SAR (radiation) value is relatively low, antenna performance receives the small advantage of body effect.
One aspect of the present invention provides a kind of antenna for mobile phone, including dielectric-slab, is arranged at the ground of dielectric-slab bottom surface, is arranged at
The feed line of medium plate top surface, is provided with a key shape open circuit gap and a rectangle open circuit gap, key shape open circuit on the ground
Lower rectangular metal paster is provided with the inner lower edge in gap；
Feed line uses the bending structure containing key shape part, and the lower edge of the key shape part of feed line is provided with
Upper rectangular metal paster, the key shape part of feed line projection on the ground overlaps with key shape open circuit gap；
The projection on the ground of bending structure of the feed line in addition to key shape part is curved around the border in rectangle open circuit gap
Folding.
Another aspect of the present invention provides a kind of mobile phone, including housing, and screen is provided with housing, and electricity is provided with housing
Road plate, circuit boards are just like the antenna for mobile phone described in one aspect of the invention.
The beneficial effects of the invention are as follows：This antenna for mobile phone of one aspect of the invention, first, it sets one on the ground
Key shape open circuit gap and a rectangle open circuit gap, its feed line contain key shape part, the inside in key shape open circuit gap
Lower edge is provided with lower rectangular metal paster, and feed line uses the bending structure containing key shape part, the key of feed line
The lower edge of shape part is provided with rectangular metal paster, and bending structure of the feed line in addition to key shape part is on the ground
Project the border bending around rectangle open circuit gap, and the projection on the ground of key shape part and the key shape of feed line are opened a way seam
Gap overlaps, so as to reduce low-frequency range cut-off frequency so that low-frequency range has bandwidth wide, can realize Broadband Matching, widens day
The bandwidth of line low-frequency range, while high band can be covered, and can reduce the return loss of high band, improve high band bandwidth；
Secondly, it is set and dielectric-slab bottom surface by by ground, and feed line is set and medium plate top surface, can retain printed antenna SAR
It is worth relatively low, antenna performance by the small advantage of body effect.
This mobile phone of another aspect of the present invention, it passes through to print on circuit boards just like one aspect of the invention institute
The antenna for mobile phone stated, can retain that its SAR value is relatively low, antenna performance by the small advantage of body effect, while low frequency can be reduced
Section cut-off frequency so that low-frequency range has bandwidth wide, realizes Broadband Matching, widens the bandwidth of antenna low-frequency range, and can be same
When cover high band, reduce the return loss of high band, improve high band bandwidth.
Brief description of the drawings
Fig. 1 is a kind of structural representation on the ground of antenna for mobile phone of one embodiment of the invention；
Fig. 2 is a kind of structural representation of the feedback antenna of antenna for mobile phone of one embodiment of the invention；
Fig. 3 is a kind of structural representation of the dielectric-slab of antenna for mobile phone of one embodiment of the invention；
Fig. 4 is first structural representation on the ground of reference antenna；
Fig. 5 is first structural representation of the feedback antenna of reference antenna；
Fig. 6 is the structural representation of second the of reference antenna；
Fig. 7 is second structural representation of the feedback antenna of reference antenna；
Fig. 8 is the structural representation of the 3rd the of reference antenna；
Fig. 9 is the 3rd structural representation of the feedback antenna of reference antenna；
Figure 10 is a kind of return loss plot of antenna for mobile phone in 0.5-2.5GHz of one embodiment of the invention.
Specific embodiment
A kind of prior art of antenna for mobile phone is：The key of a rectangle and circular combined mixed structure is provided with the ground
Spoon-shaped gap, gap top retains one without metallic region, and feed structure is microstrip line and a circular patch and a square
The bending structure that shape paster is constituted, the overbending direction of feed line is in opposite direction with the open circuit in gap, and although the antenna covers hand
The high band 1.71-11GHz of machine work, but the problem that cannot cover low-frequency range is still present.
Design concept of the invention is：For the problem that cannot cover low-frequency range existing for existing antenna for mobile phone, its
By setting a key shape open circuit gap and a rectangle open circuit gap on the ground, its feed line contains key shape part, key
Lower rectangular metal paster is provided with the inner lower edge in spoon-shaped open circuit gap, feed line uses the bending containing key shape part
Structure, the lower edge of the key shape part of feed line is provided with rectangular metal paster, and feed line is in addition to key shape part
Bending structure projection on the ground around rectangle open circuit gap border bending, and feed line key shape part on the ground
Projection overlaps with key shape open circuit gap, so as to reduce low-frequency range cut-off frequency so that low-frequency range has bandwidth wide, Neng Goushi
Existing Broadband Matching, widens the bandwidth of antenna low-frequency range, while high band can be covered, and can reduce the echo damage of high band
Consumption, improves high band bandwidth；Additionally, it is set and dielectric-slab bottom surface by by ground, feed line is set and medium plate top surface, energy
Enough retain that printed antenna SAR value is relatively low, antenna performance is by the small advantage of body effect.
Embodiment one
Fig. 1 is a kind of structural representation on the ground of antenna for mobile phone of one embodiment of the invention；Fig. 2 is a reality of the invention
Apply a kind of structural representation of the feedback antenna of antenna for mobile phone of example；Fig. 3 is a kind of antenna for mobile phone of one embodiment of the invention
The structural representation of dielectric-slab；
Referring to Fig. 1 to Fig. 3, the antenna for mobile phone, including dielectric-slab 1, be arranged at the ground 2 of the bottom surface of dielectric-slab 1, be arranged at medium
The feed line 3 of the top surface of plate 1, is provided with a key shape open circuit gap 21 and a rectangle open circuit gap 22 on ground 2, key shape is opened
Lower rectangular metal paster 211 is provided with the inner lower edge in road gap 21；
Feed line 3 uses the bending structure containing key shape part 31, the lower edge of the key shape part 31 of feed line 3
It is provided with rectangular metal paster 311, the projection of the key shape part 31 of feed line 3 on ground 2 and key shape are opened a way gap 21
Overlap；
Projection of bending structure of the feed line 3 in addition to key shape part 31 on ground 2 is around rectangle open circuit gap 22
Border bends.
It can be seen that, the antenna for mobile phone of the present embodiment, it on ground 2 by setting key shape open circuit gap 21 and a square
Shape open circuit gap 22, its feed line 3 contains key shape part 31, is provided with down at the inner lower edge in key shape open circuit gap 21
Rectangular metal paster 211, feed line 3 uses the bending structure containing key shape part 31, the key shape part 31 of feed line 3
Lower edge is provided with rectangular metal paster 311, and bending structure of the feed line 3 in addition to key shape part 31 is on ground 2
Project the border bending around rectangle open circuit gap 22, and feed line 3 projection and key shape of the key shape part 31 on ground 2
Open circuit gap 21 overlaps, i.e., gapless overlaps the two shape in the same size in the same manner, it is ensured that the key shape part 31 of feed line 3
Underface is headroom, so as to reduce low-frequency range cut-off frequency so that low-frequency range has bandwidth wide, can realize Broadband Matching,
The bandwidth of antenna low-frequency range is widened, while high band can be covered, and the return loss of high band can be reduced, improve high band
Bandwidth；Additionally, its by by ground 2 set with the bottom surface of dielectric-slab 1, by feed line 3 set with the top surface of dielectric-slab 1, print can be retained
Brush antenna SAR value is relatively low, antenna performance is by the small advantage of body effect.
It should be noted that referring to Fig. 4 to Figure 10, Fig. 4 is first structural representation on the ground of reference antenna；Fig. 5 is
First structural representation of the feedback antenna of reference antenna；Fig. 6 is the structural representation of second the of reference antenna；Fig. 7 is
Second structural representation of the feedback antenna of reference antenna；Fig. 8 is the structural representation of the 3rd the of reference antenna；Fig. 9 is
3rd structural representation of the feedback antenna of reference antenna；Figure 10 is a kind of antenna for mobile phone of one embodiment of the invention in 0.5-
The return loss plot of 2.5GHz；As seen from Figure 10：
(1)-the 6dB of this antenna for mobile phone of the present embodiment is with a width of 0.725-1.057GHz, 1.677-2.46GHz；The
One -6dB of reference antenna is with a width of 0.745-1.168GHz, 1.670-2.2GHz, 2.3-2.5GHz；Second reference antenna
- 6dB with a width of 0.728-1.125GHz, 1.692-2.2GHz, 2.3-2.5GHz；3rd-the 6dB of reference antenna is with a width of
0.745-1.212GHz, 1.680-2.2GHz, 2.3-2.5GHz.
Compared with second reference antenna, first reference antenna has (2) first reference antennas near 2.2GHz
There is low return loss, high band band is wide, it can be seen that its key shape gap can reduce the return loss of high band, improve
High band bandwidth.Second reference antenna compared with the 3rd reference antenna, second low-frequency range cut-off frequency of reference antenna
Move to left, it can be seen that key shape feed line can reduce low-frequency range cut-off frequency.Using the antenna for mobile phone of the present embodiment, it is low
Frequency range has low cut-off frequency, has low return loss and bandwidth wide in high band.
Embodiment two
Explanation that emphasis is done to the concrete structure of antenna for mobile phone in the present embodiment, other guide referring to it is of the invention its
His embodiment.
Key shape open circuit gap 21 is located on two opposite side of dielectric-slab 1 respectively with the open end in rectangle open circuit gap 22.
In such manner, it is possible to meet the debugging needs of the antenna for mobile phone.
Preferably, the open end in key shape open circuit gap 21 is located at the left side 11 of dielectric-slab 1, rectangle open circuit gap 22
Open end is located at the right edge 12 of dielectric-slab 1.In such manner, it is possible to more specifically meet the debugging needs of antenna for mobile phone.
Preferably, key shape open circuit gap 21 includes a circular gap 212 and a rectangular aperture 213；Rectangular aperture
213 left end is opened a way in the left side 11 of dielectric-slab 1, and right-hand member is connected to form key shape with the left side in circular gap 212.This
Sample, enables to the structure in key shape open circuit gap 21 specifically, it is easy to process, it is easier to the key shape portion with feed line 3
31 are divided to coordinate.
Preferably, dielectric-slab 1 be rectangle, rectangle open a way gap 22 parallel to dielectric-slab 1 upper side edge 13, rectangular aperture
213 parallel to rectangle open circuit gap 22.So, it is more favorable for the dielectric-slab 1 based on rectangle to debug antenna for mobile phone, rectangle
Open circuit gap 22, rectangular aperture 213, dielectric-slab 1 the three of upper side edge 13 it is parallel so that coupling effect is optimal, it is ensured that it is linear
Can be optimal.
Preferably, the inside of rectangular aperture 213 is spaced rectangular metal paster 211 under multiple, each lower rectangular metal
Paster 211 is connected with the lower edge of rectangular aperture 213.So so that the key shape of key shape open circuit gap 21 and feed line 3
Part 31 can more perfectly fit, it is ensured that gapless overlaps the two shape in the same size in the same manner, further realizes broadband
Match somebody with somebody, widen the bandwidth of antenna low-frequency range, reduce the return loss of high band, improve high band bandwidth.
Preferably, feed line 3 includes 32, three rectangular metal bars of microstrip line and a circular metal patch 312；First
Upper side edge 13 of the rectangular metal bar 313 parallel to dielectric-slab 1；First left end open circuit of rectangular metal bar 313, right-hand member and circle
The left side of metal patch 312 is connected, and forms the key shape part 31 of the corresponding matching in gap 21 of being opened a way with key shape, circular gold
Projection of the category paster 312 on ground 2 coincides with circular gap 212；First lower edge of rectangular metal bar 313 side by side between
Every being connected with rectangular metal paster 311 in multiple, in multiple rectangular metal paster 311 respectively with rectangular metal paster under multiple
The corresponding matching in gap between 211；Second upper end of rectangular metal bar 33 is connected with the downside of circular metal patch 312
Connect；The left end connection perpendicular with microstrip line 32 of the 3rd rectangular metal article 34 simultaneously extends to the right edge 12 of dielectric-slab 1；Second
The lower end of the right-hand member of individual rectangular metal article 33 and the 3rd rectangular metal article 34 is perpendicular to be connected and to the upper side edge 13 of dielectric-slab 1
Extend；The lower end of microstrip line 32 extends to the lower side 14 of dielectric-slab 1.So, the microstrip line 32 of lower side 14 is extended to, its letter
The linear structure of change offers convenience to emulation, makes its simulation modeling more easy.The antenna for mobile phone of the present embodiment, its feed line 3
Key shape part 31 projection of the concrete structure on ground 2 and key shape open circuit gap 21 concrete structure more snugly phase
Mutually overlap, advantageously in the two shape in the same size, gapless overlaps in the same manner, more ensures the key shape part of feed line 3
31 underface is headroom, so as to more ensure to reduce low-frequency range cut-off frequency so that low-frequency range has bandwidth wide, Neng Gougeng
Broadband Matching is realized well, the bandwidth of antenna low-frequency range is widened, while high band can be covered, and high frequency can be further reduced
The return loss of section, improves high band bandwidth.
Preferably, it is the 50 Ω microstrip lines of 1.53mm that microstrip line 32 uses width.So, the loss on microstrip line 32 is most
Small, the width of microstrip line 32 is based on given dielectric constant and the dielectric-slab 1 of thickness determines, width is the microstrip line 32 of 1.53mm,
Its impedance is 50 Ω, can ideally meet lossless transmission.
Preferably, the quantity of lower rectangular metal paster 211 and upper rectangular metal paster 311 is respectively four.I.e. so, energy
Enough so that the projection on ground 2 of the key shape part 31 of feed line 3 is more snugly mutual with key shape open circuit gap 21
Overlap, more ensure to reduce low-frequency range cut-off frequency so that low-frequency range has bandwidth wide, and broadband can be better achieved
Match somebody with somebody, widen the bandwidth of antenna low-frequency range, while high band can be covered, further reduce the return loss of high band, improve high
Band bandwidth.
Antenna for mobile phone of the invention, its dielectric-slab 1 can use 0.8mm thickness FR4 materials, its size can be 60mm ×
115mm, bandwidth wider can be obtained by the dimensional parameters for optimizing antenna.
Embodiment three
A kind of mobile phone, including housing, are provided with screen on housing, circuit board is provided with housing, and circuit boards have
Antenna for mobile phone as described in embodiment one or embodiment two.
It can be seen that, the mobile phone passes through to be printed with the antenna for mobile phone as described in embodiment one or embodiment two, energy on circuit boards
Enough retain relatively low its SAR value, simple structure, with low cost, antenna performance by the small advantage of body effect, while can reduce low
Frequency range cut-off frequency so that low-frequency range has bandwidth wide, realizes Broadband Matching, widens the bandwidth of antenna low-frequency range, solves
Antenna for mobile phone has that low-band bandwidth is narrow, can simultaneously cover high band, reduces the return loss of high band, improves high
Band bandwidth.
Presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.It is all in this hair
Any modification, equivalent substitution and improvements made within bright spirit and principle etc., are all contained in protection scope of the present invention.
Claims (10)
1. a kind of antenna for mobile phone, including dielectric-slab, the ground for being arranged at dielectric-slab bottom surface, the feed line for being arranged at medium plate top surface,
Characterized in that, the ground is provided with a key shape open circuit gap and a rectangle open circuit gap, the key shape open circuit
Lower rectangular metal paster is provided with the inner lower edge in gap；
The feed line uses the bending structure containing key shape part, and the lower edge of the key shape part of the feed line sets
It is equipped with rectangular metal paster, the key shape part of the feed line is opened a way gap in the projection of the ground and the key shape
Overlap；
Side of bending structure of the feed line in addition to the key shape part projection on the ground around rectangle open circuit gap
Boundary bends.
2. antenna for mobile phone as claimed in claim 1, it is characterised in that the key shape open circuit gap and rectangle open circuit seam
The open end of gap is respectively on two opposite side of dielectric-slab.
3. antenna for mobile phone as claimed in claim 2, it is characterised in that the open end in the key shape open circuit gap is located at described
The left side of dielectric-slab, the open end in the rectangle open circuit gap is located at the right edge of the dielectric-slab.
4. antenna for mobile phone as claimed in claim 1, it is characterised in that the key shape open circuit gap includes a circular gap
With a rectangular aperture；
The left end of the rectangular aperture is opened a way in the left side of the dielectric-slab, and right-hand member is connected with the left of the circular gap
Form key shape.
5. antenna for mobile phone as claimed in claim 4, it is characterised in that the dielectric-slab is rectangle, the rectangle is opened a way gap
Parallel to the upper side edge of the dielectric-slab, the rectangular aperture is parallel to rectangle open circuit gap.
6. antenna for mobile phone as claimed in claim 5, it is characterised in that the inside of the rectangular aperture is spaced square under multiple
Shape metal patch, each described lower rectangular metal paster is connected with the lower edge of the rectangular aperture.
7. antenna for mobile phone as claimed in claim 6, it is characterised in that the feed line includes microstrip line, three rectangular metals
Bar and a circular metal patch；
Upper side edge of first rectangular metal bar parallel to the dielectric-slab；The left end of first rectangular metal bar is opened
Road, right-hand member is connected with the left of the circular metal patch, forms the key of matching corresponding with key shape open circuit gap
Spoon-shaped part, projection of the circular metal patch in the ground coincides with the circular gap；
The lower edge spacing side by side of first rectangular metal bar is connected with rectangular metal paster in multiple, it is multiple it is described on
The matching corresponding with the gap between the multiple lower rectangular metal paster respectively of rectangular metal paster；
Second upper end of the rectangular metal bar is connected with the downside of the circular metal patch；
The left end connection perpendicular with the microstrip line of the 3rd rectangular metal article simultaneously extends to the right edge of dielectric-slab；
Second right-hand member of the rectangular metal article is perpendicular with the lower end of the 3rd rectangular metal article to be connected and to described
The upper side edge of dielectric-slab extends；
The lower end of the microstrip line extends to the lower side of the dielectric-slab.
8. antenna for mobile phone as claimed in claim 7, it is characterised in that the microstrip line uses width micro- for 50 Ω of 1.53mm
Band line.
9. antenna for mobile phone as claimed in claim 8, it is characterised in that the lower rectangular metal paster and the upper rectangular metal
The quantity of paster is respectively four.
10. a kind of mobile phone, including housing, screen is provided with the housing, it is characterised in that be provided with circuit in the housing
Plate, the circuit boards have antenna for mobile phone as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611264793.3A CN106785352B (en) | 2016-12-30 | 2016-12-30 | Mobile phone antenna and mobile phone thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611264793.3A CN106785352B (en) | 2016-12-30 | 2016-12-30 | Mobile phone antenna and mobile phone thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106785352A true CN106785352A (en) | 2017-05-31 |
| CN106785352B CN106785352B (en) | 2023-08-25 |
Family
ID=58952355
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611264793.3A Active CN106785352B (en) | 2016-12-30 | 2016-12-30 | Mobile phone antenna and mobile phone thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106785352B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994345A (en) * | 2017-10-10 | 2018-05-04 | 捷开通讯(深圳)有限公司 | The antenna and mobile terminal of a kind of mobile terminal |
| CN110911832A (en) * | 2019-11-28 | 2020-03-24 | 歌尔股份有限公司 | Microstrip slot antenna and signal transmission equipment |
| CN113871866A (en) * | 2021-09-07 | 2021-12-31 | 许昌许继软件技术有限公司 | PCB antenna |
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| CN206461084U (en) * | 2016-12-30 | 2017-09-01 | 歌尔科技有限公司 | A kind of antenna for mobile phone and its mobile phone |
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| CN107994345A (en) * | 2017-10-10 | 2018-05-04 | 捷开通讯(深圳)有限公司 | The antenna and mobile terminal of a kind of mobile terminal |
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| CN113871866A (en) * | 2021-09-07 | 2021-12-31 | 许昌许继软件技术有限公司 | PCB antenna |
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| Publication number | Publication date |
|---|---|
| CN106785352B (en) | 2023-08-25 |
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