CN106921035B - Antenna system - Google Patents
Antenna system Download PDFInfo
- Publication number
- CN106921035B CN106921035B CN201710050327.3A CN201710050327A CN106921035B CN 106921035 B CN106921035 B CN 106921035B CN 201710050327 A CN201710050327 A CN 201710050327A CN 106921035 B CN106921035 B CN 106921035B
- Authority
- CN
- China
- Prior art keywords
- ground
- feed point
- metal frame
- antenna
- unit
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- 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
Abstract
The invention provides an antenna system, which comprises a system ground unit and a metal frame which is arranged around the system ground unit in an extending manner and serves as an antenna radiator, wherein a clearance area is formed between the metal frame and the system ground unit at intervals; the first grounding end, the second grounding end and the third grounding end are electrically connected with the metal frame; the antenna system further comprises a first conducting strip and a second conducting strip, wherein the first conducting strip is electrically connected with the first signal feed point and is arranged at intervals to form coupling with the metal frame; the second conducting strip is respectively electrically connected with the second signal feed point and the first ground feed point and is arranged at intervals to form coupling with the metal frame. Compared with the related technology, the antenna system of the invention has wide frequency band, high efficiency and good appearance aesthetic feeling.
Description
Technical Field
The present invention relates to an antenna, and more particularly, to an antenna system applied in the field of communication electronic products.
Background
With the development of mobile communication technology, mobile phones, PADs, notebook computers, etc. have become indispensable electronic products in life, and such electronic products are all updated to electronic communication products with communication functions by adding antenna systems. However, consumers are no longer just satisfied with their application functions, and the appearance requirements for the electronic communication products are also increasing. The electronic communication product with the metal shell has good texture, is firm and durable, and is popular among many consumers.
Since electromagnetic waves cannot penetrate through metal, radiation of the antenna system is not facilitated, when the metal-enclosed electronic communication product is designed, the antenna system is usually required to be externally arranged or not to be surrounded by metal, for example, a slot is formed in a metal rear cover of the metal-enclosed electronic communication product, so as to facilitate radiation of the antenna system. However, the antenna system with such a design has a narrow frequency band and low efficiency, and the slot design limits the aesthetic appearance of the metal-enclosed electronic communication product. In addition, the antenna system of the related art generally includes a system ground unit, a feeding point on the system ground unit is directly connected to the metal frame, and the metal frame is further connected to the conductive sheet, which results in poor connection stability between the conductive sheet and the metal frame, and the conductive sheet and the metal frame need to occupy a large space inside the electronic product when being in direct contact. In addition, the related art antenna system has a single antenna structure, and the radiation frequency range is limited, thereby limiting the performance of the antenna system.
Therefore, there is a need to provide a new antenna system to solve the above problems.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an antenna system which has wide frequency band, high efficiency, good appearance and aesthetic feeling, easy realization and good connection stability.
In order to solve the above technical problem, the present invention provides an antenna system, including a system ground unit and a metal frame serving as an antenna radiator and extending around the system ground unit, wherein the metal frame and the system ground unit are arranged at an interval to form a clearance area, and the antenna system further includes a first ground terminal, a second ground terminal, a third ground terminal, a first signal feed point, a second signal feed point, and a first ground feed point, which are arranged at an interval to each other on the system ground unit; the first grounding end, the second grounding end and the third grounding end are electrically connected with the metal frame;
the antenna system further comprises a first conducting strip and a second conducting strip, wherein the first conducting strip is electrically connected with the first signal feed point and is arranged at intervals to form coupling with the metal frame, so that the first signal feed point, the first grounding end, the second grounding end, the first conducting strip and the metal frame form a first antenna;
the second conductive sheet is electrically connected with the second signal feed point and the first ground feed point respectively and is arranged at intervals to form coupling with the metal frame, so that the second signal feed point, the first ground feed point, the third grounding end, the second conductive sheet and the metal frame form a second antenna.
Preferably, the antenna system further includes at least one first matching unit connected in series between the first ground and the system ground unit and/or between the second ground and the system ground unit for tuning a resonant frequency of the first antenna, and the first ground and/or the second ground are/is connected to ground through the first matching unit.
Preferably, the antenna system further includes a second matching unit connected in series between the third ground and the system ground unit for tuning a resonant frequency of the second antenna, and the third ground is grounded through the second matching unit.
Preferably, the first matching unit and the second matching unit each include a patch capacitor, an inductor, or a resistor.
Preferably, the antenna system further includes a fourth ground terminal and a fifth ground terminal disposed on the system ground unit and electrically connected to the metal frame; the fourth ground terminal and the fifth ground terminal are located between the second ground terminal and the third ground terminal.
Preferably, the antenna system further comprises a back shell serving as an auxiliary ground unit, and a second ground feed point and a third ground feed point which are arranged on one side of the system ground unit close to the back shell; the second ground feed point and the third ground feed point are electrically connected with the back shell respectively.
Preferably, the antenna system further comprises a middle frame located on the side of the system ground unit far away from the back shell, and a fourth ground feed point, a fifth ground feed point and a sixth ground feed point which are arranged on the side of the system ground unit far away from the back shell; the fourth ground feed point, the fifth ground feed point and the sixth ground feed point are electrically connected with the middle frame respectively.
Preferably, the metal frame includes a main body and a first protrusion, a second protrusion and a third protrusion extending from the main body and spaced apart from each other; the first ground is located between the first protruding part and the system ground unit, the second ground is located between the second protruding part and the system ground unit, and the third ground is located between the third protruding part and the system ground unit.
Preferably, the first conductive sheet is an FPC; the first conducting strip comprises a U-shaped first conducting part, a U-shaped second conducting part and a third conducting part; the first conductive part is arranged on the protruding part and the second protruding part in an overlapping mode and is insulated from the first protruding part and the second protruding part; an open end of the first conductive portion is disposed toward the second conductive portion and connected to the second conductive portion; an open end of the second conductive portion is disposed toward the metal frame; the third conductive portion extends from the second conductive portion to an open end of the first conductive portion; the first signal feed is electrically connected to the second conductive portion.
Preferably, the second conductive sheet is an FPC, and the second conductive sheet includes a first conductive arm parallel to the metal frame and a second conductive arm extending from the first conductive arm to a position away from the metal frame; the first conductive arm is arranged on the third protruding part in an overlapping mode and is arranged in an insulating mode with the third protruding part, and the second signal feed point and the first ground feed point are electrically connected to the second conductive arm.
Compared with the prior art, the antenna system fully utilizes the metal frame structure, and the bandwidth coverage of the antenna system is realized by the coupling of the conducting strip and the metal frame, so that the antenna system covers the full frequency band, and the radiation efficiency is high by effectively utilizing the radiation of the metal frame; in addition, the conducting strip is not connected with the metal frame at intervals, radiation is realized in a coupling mode, structural realizability and connection stability are facilitated, and radiation performance of the antenna system is improved.
Drawings
FIG. 1 is an exploded perspective view of the rear view of the antenna system of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an exploded perspective view of the antenna system of the present invention;
FIG. 4 is a graph of the passive return loss of the GPS/WiFi antenna of the antenna system of the present invention;
FIG. 5 is a GPS/WiFi antenna efficiency graph for the antenna system of the present invention;
FIG. 6 is a graph of the passive return loss of a DIV antenna of the antenna system of the present invention;
FIG. 7 is a DIV antenna efficiency graph of the antenna system of the present invention;
FIG. 8 is a graph of the isolation of the GPS/WiFi antenna from the DIV antenna of the antenna system of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings and the embodiments.
Referring to fig. 1-3, fig. 1 is an exploded schematic view of a back view of an antenna system according to the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; fig. 3 is an exploded perspective view of the antenna system according to the present invention. The antenna system 100 provided by the invention comprises a system ground unit 1, a metal frame 2 serving as an antenna radiator and arranged around the system ground unit 1 in an extending manner, a first conductive sheet 3, a second conductive sheet 4, a back shell 5, a middle frame 6, a first matching unit 7 and a second matching unit 8. The metal frame 2 is spaced from the system ground unit 1 to form a gap which serves as a clearance 9 for the antenna system.
As shown in fig. 1-2, the antenna system includes a first signal feed point 11, a second signal feed point 12, a first ground feed point 13, a second ground feed point 14, and a third ground feed point 15, which are disposed on the rear surface of the system ground unit 1 and are spaced apart from each other. The back shell 5 covers one side of the back of the system ground unit 1 to serve as an auxiliary ground unit, and the second ground feed point 14 and the third ground feed point 15 are electrically connected with the back shell 5 to prevent noise from generating to influence communication signals.
As shown in fig. 3, the antenna system further includes a fourth ground feed point 16, a fifth ground feed point 17 and a sixth ground feed point 18 which are arranged on the front surface of the system ground unit 1 and are spaced from each other. The middle frame 6 is located on the front side of the system ground unit 1, and the fourth ground feed point 16, the fifth ground feed point 17 and the sixth ground feed point 18 are electrically connected to the middle frame 6 respectively, so as to prevent noise from generating and affecting communication signals.
In the present embodiment, the back surface refers to a surface of the system ground unit 1 close to the back case 5, and the front surface refers to a surface of the system ground unit 1 away from the back case 5.
As further shown in fig. 1-2, the metal frame 2 includes a main body 2a, a first projection 2b extending from the main body 2a, a second projection 2c, and a third projection 2d, and the main body 2a further has a first end 2e and a second end 2 f. The first signal feed point 11 is disposed adjacent the first end 2e, while the second signal feed point 12 and the first ground feed point 13 are disposed adjacent the second end 2 f.
The antenna system further includes a first ground terminal 21, a second ground terminal 22, a third ground terminal 23, a fourth ground terminal 24, and a fifth ground terminal 25 which are sequentially disposed at intervals in the system ground unit 1 and are connected to the metal frame 2 to be grounded. That is, the first ground terminal 21, the second ground terminal 22, the third ground terminal 23, the fourth ground terminal 24, and the fifth ground terminal 25 are used to ground the metal frame 2. The second ground terminal 22 is located between the first ground terminal 21 and the fourth ground terminal 24; the fifth ground terminal 25 is disposed adjacent to the fourth ground terminal 24 and between the fourth ground terminal 24 and the third ground terminal 23. In addition, the first ground terminal 21 is further disposed between the first protruding portion 2b and the system ground unit 1, the second ground terminal 22 is disposed between the second protruding portion 2c and the system ground unit 1, and the third ground terminal 23 is disposed between the third protruding portion 2d and the system ground unit 1.
The first conducting strip 3 is electrically connected with the first signal feed point 11 and is arranged at intervals to form coupling with the metal frame 2. Therefore, the first signal feed point 11, the first ground terminal 21, the second ground terminal 22, the first conductive sheet 3 and the metal frame 2 together form a first antenna. The first antenna is specifically a GPS/WiFi antenna in this embodiment, and implements GPS/WiFi bandwidth coverage. Wherein, the portion of the metal frame between the first end portion 2e and the fourth ground 24 is used as a radiator of the GPS/WiFi antenna. The radiation return loss through the first conductive sheet 3 coupling mode is small, and the efficiency is high, as shown in fig. 4-5. Wherein, fig. 4 is a GPS/WiFi passive return loss curve chart of the antenna system of the present invention; FIG. 5 is a GPS/WiFi antenna efficiency graph for the antenna system of the present invention.
The second conductive sheet 4 is electrically connected with the second signal feed point 12 and the first ground feed point 13 respectively and is arranged at intervals to form coupling with the metal frame 2. Therefore, the second signal feed point 12, the first ground feed point 13, the third ground 23, the second conductive sheet 4 and the metal frame 2 together form a second antenna. The second antenna is specifically a DIV antenna (diversity antenna) in this embodiment, and implement DIV bandwidth coverage. Wherein a portion of the metal frame between the second end portion 2f and the fifth ground 25 functions as a radiator of the DIV antenna. The antenna radiation is realized through the coupling structure, so that the radiation efficiency is high, and the return loss is small. As shown in fig. 6-7, wherein fig. 6 is a diagram of the DIV passive return loss of the antenna system of the present invention; fig. 7 is a DIV antenna efficiency graph of the antenna system of the present invention.
In this embodiment, specifically, the first conductive sheet 3 and the second conductive sheet 4 are both FPCs, that is, each terminal is electrically connected to a trace on the FPC, and is used for realizing signal circulation of the antenna radiator.
Specifically, the first conductive sheet 3 includes a U-shaped first conductive portion 31, a U-shaped second conductive portion 32, and a third conductive portion 33; the first conductive part 31 is laid on the first protruding part 2b and the second protruding part 2c, and is insulated from the first protruding part 2b and the second protruding part 2c of the metal frame 2. The open end of the first conductive portion 31 is disposed toward the second conductive portion 32 and is connected to the second conductive portion 32. An open end of the second conductive portion 32 is disposed toward the metal frame 2; the third conductive portion 33 extends from the second conductive portion 32 to the open end of the first conductive portion 31; the first signal feed 11 is electrically connected to the second conductive part 32. In the present embodiment, for example, an insulating medium may be provided between the first and second protruding portions 2b and 2c and the first conductive sheet 3.
The second conductive plate 4 includes a first conductive arm 41 parallel to the metal frame 2 of the metal frame 2 and a second conductive arm 42 extending from the first conductive arm 41 to a position far away from the metal frame 2, the first conductive arm 41 is overlapped on the third protrusion 2d and is disposed in an insulated manner on the third protrusion 2d of the metal frame 2, and the second signal feed point 12 and the first ground feed point 13 are electrically connected to the second conductive arm 42. In the present embodiment, for example, an insulating medium may be provided between the third protruding portion 2d and the second conductive sheet 4.
As further shown in fig. 1-2, at least one first matching unit 7 is connected in series between the first ground 21 and the system ground unit 1 and/or between the second ground 22 and the system ground unit 1, and is configured to tune a resonant frequency of a first antenna (GPS/WiFi antenna) and increase a bandwidth. The first ground terminal 21 and/or the second ground terminal 22 are grounded through the first matching unit 7. In this embodiment, the first matching unit 7 is connected in series between the first ground 21 and the system ground unit 1 and/or between the second ground 22 and the system ground unit 1.
The second matching unit 8 is connected in series between the third ground terminal 23 and the system ground unit 1, and is used for tuning the resonant frequency of a second antenna (DIV antenna) and increasing the bandwidth. The third ground terminal 23 is grounded through the second matching unit 8.
In the present embodiment, the first matching means 7 and the second matching means 8 each include a patch capacitor, but the present invention is not limited thereto. The first matching unit 7 and the second matching unit 8 may also be inductors or resistors, and are used to adjust the frequency band of the antenna system 100, so as to cooperate with each other to make the antenna system 100 cover the full frequency band range.
As further shown in fig. 1, in the present embodiment, since the fourth ground terminal 24 and the fifth ground terminal 25 are disposed, the isolation between the GPS/WiFi antenna and the DIV antenna can be increased, and the mutual influence can be reduced. FIG. 8 is a graph of the GPS/WiFi and DIV isolation of the antenna system of the present invention. The isolation between the GPS/WiFi antenna and the diversity is worst around-17 dB by providing the fourth ground terminal 24 and the fifth ground terminal 25.
The clearance area 9 is used for forming a coupling gap and realizing signal radiation. The size of the clearance area 9 affects the frequency range of the antenna system 100, and in this embodiment, the width of the clearance area 9 is 7.5 mm.
In the antenna system 100 of the present invention, the first conductive sheet 3 is electrically connected to the first signal feed point 11 and coupled to the metal frame 2, so as to form a GPS/WiFi antenna, and the working frequency ranges thereof are 1550-.
The second conductive sheet 4 is electrically connected to the second signal feed point 12 and the first ground feed point 13, respectively, and is coupled to the metal frame 2, so as to form a DIV antenna, whose working frequency band is 1805 and 2690 MHz.
The above structure arrangement enables the antenna system 100 to achieve broadband coverage, and the two antenna structures are mutually matched, so that the transceiving efficiency is higher.
The application of the antenna system 100 of the present invention to a mobile phone with a metal frame is taken as an example for further explanation: when the antenna system 100 is assembled in the mobile phone, the metal frame of the mobile phone is the metal frame 2 serving as the antenna radiator; the PCB of the mobile phone is used as the system ground unit 1, and the back cover of the mobile phone is used as the back cover 5. And each signal feed point, each ground feed point and each ground line end are connected to the metal frame and the PCB of the mobile phone, so that signal radiation is realized. Therefore, the frequency band coverage of the antenna system 100 can be realized through the metal frame structure of the mobile phone, the metal frame does not need to be broken, and the overall aesthetic feeling of the mobile phone is not affected.
Of course, the antenna system 100 of the present invention is not limited to be used in a mobile phone, but can also be used in electronic communication products such as a notebook computer, etc., and the principle is the same.
Compared with the prior art, the antenna system fully utilizes the metal frame structure, and the bandwidth coverage of the antenna system is realized by the coupling of the conducting strip and the metal frame, so that the frequency band of the antenna system is covered, and the radiation of the metal frame is effectively utilized to realize high radiation efficiency; in addition, the conducting strip is not connected with the metal frame at intervals, radiation is realized in a coupling mode, radiation efficiency is high, return loss is small, structural realizability and connection stability are facilitated, and radiation performance of the antenna system is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An antenna system comprises a system ground unit and a metal frame serving as an antenna radiator and arranged around the system ground unit in an extending mode, wherein a clearance area is formed between the metal frame and the system ground unit at intervals; the first grounding end, the second grounding end and the third grounding end are electrically connected with the metal frame;
the antenna system further comprises a first conducting strip and a second conducting strip, wherein the first conducting strip is electrically connected with the first signal feed point and is arranged at intervals to form coupling with the metal frame, so that the first signal feed point, the first grounding end, the second grounding end, the first conducting strip and the metal frame form a first antenna; the first conducting strip comprises a U-shaped first conducting part, a U-shaped second conducting part and a third conducting part; an open end of the first conductive portion is disposed toward the second conductive portion and connected to the second conductive portion; an open end of the second conductive portion is disposed toward the metal frame; the third conductive portion extends from the second conductive portion to an open end of the first conductive portion;
the second conductive sheet is electrically connected with the second signal feed point and the first ground feed point respectively and is arranged at intervals to form coupling with the metal frame, so that the second signal feed point, the first ground feed point, the third grounding end, the second conductive sheet and the metal frame form a second antenna.
2. The antenna system according to claim 1, further comprising at least one first matching unit connected in series between the first ground and the system ground unit and/or between the second ground and the system ground unit for tuning a resonant frequency of the first antenna, the first ground and/or the second ground being grounded through the first matching unit.
3. The antenna system of claim 2, further comprising a second matching unit connected in series between the third ground and the system ground unit for tuning a resonant frequency of the second antenna, the third ground being grounded through the second matching unit.
4. The antenna system of claim 3, wherein the first matching unit and the second matching unit each comprise a patch capacitor, an inductor, or a resistor.
5. The antenna system of claim 4, further comprising a fourth ground terminal and a fifth ground terminal disposed on the system ground unit and electrically connected to the metal frame; the fourth ground terminal and the fifth ground terminal are located between the second ground terminal and the third ground terminal.
6. The antenna system of claim 1, further comprising a back case serving as an auxiliary ground unit, and a second ground feed point and a third ground feed point provided on a side of the system ground unit close to the back case; the second ground feed point and the third ground feed point are electrically connected with the back shell respectively.
7. The antenna system of claim 1, further comprising a back case serving as an auxiliary ground unit, a middle frame located on a side of the system ground unit away from the back case, and a fourth ground feed point, a fifth ground feed point, and a sixth ground feed point provided on a side of the system ground unit away from the back case; the fourth ground feed point, the fifth ground feed point and the sixth ground feed point are electrically connected with the middle frame respectively.
8. The antenna system of claim 1, wherein the metal frame comprises a main body and a first protrusion, a second protrusion, and a third protrusion extending from the main body and disposed at a distance from each other; the first ground is located between the first protruding part and the system ground unit, the second ground is located between the second protruding part and the system ground unit, and the third ground is located between the third protruding part and the system ground unit.
9. The antenna system according to claim 8, wherein the first conductive sheet is an FPC; the first conductive part is arranged on the first protruding part and the second protruding part in an overlapping mode and is insulated from the first protruding part and the second protruding part; the first signal feed is electrically connected to the second conductive portion.
10. The antenna system of claim 8, wherein the second conductive sheet is an FPC, the second conductive sheet comprising a first conductive arm parallel to the metal frame and a second conductive arm extending away from the metal frame from the first conductive arm; the first conductive arm is arranged on the third protruding part in an overlapping mode and is arranged in an insulating mode with the third protruding part, and the second signal feed point and the first ground feed point are electrically connected to the second conductive arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050327.3A CN106921035B (en) | 2017-01-20 | 2017-01-20 | Antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050327.3A CN106921035B (en) | 2017-01-20 | 2017-01-20 | Antenna system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106921035A CN106921035A (en) | 2017-07-04 |
| CN106921035B true CN106921035B (en) | 2020-04-17 |
Family
ID=59454006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710050327.3A Expired - Fee Related CN106921035B (en) | 2017-01-20 | 2017-01-20 | Antenna system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106921035B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453024B (en) * | 2017-07-14 | 2020-08-04 | 瑞声光电科技（苏州）有限公司 | Antenna system and communication equipment |
| WO2019084706A1 (en) * | 2017-10-30 | 2019-05-09 | 深圳传音制造有限公司 | Antenna assembly and mobile terminal |
| TWI678028B (en) * | 2017-12-12 | 2019-11-21 | 群邁通訊股份有限公司 | Antenna structure and wireless communication device with same |
| CN208589546U (en) * | 2018-08-03 | 2019-03-08 | 瑞声精密制造科技(常州)有限公司 | Antenna system and mobile terminal |
| CN109728406B (en) * | 2018-12-24 | 2021-07-02 | 瑞声精密制造科技(常州)有限公司 | Antenna system and electronic device |
| CN111987454A (en) * | 2020-08-06 | 2020-11-24 | 惠州Tcl移动通信有限公司 | MIMO multi-antenna structure and mobile terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143680A (en) * | 2013-05-10 | 2014-11-12 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN204216203U (en) * | 2014-10-14 | 2015-03-18 | 瑞声声学科技(苏州)有限公司 | Communication terminal |
| CN204424446U (en) * | 2015-01-28 | 2015-06-24 | 瑞声精密制造科技(常州)有限公司 | The mobile terminal device of antenna modules and the described antenna modules of employing |
| CN105811076A (en) * | 2016-04-19 | 2016-07-27 | 惠州硕贝德无线科技股份有限公司 | High-isolation mobile phone antenna structure based on metal back cover |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI578617B (en) * | 2013-06-07 | 2017-04-11 | 富智康（香港）有限公司 | Antenna unit and wireless communication device using the same |
-
2017
- 2017-01-20 CN CN201710050327.3A patent/CN106921035B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143680A (en) * | 2013-05-10 | 2014-11-12 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN204216203U (en) * | 2014-10-14 | 2015-03-18 | 瑞声声学科技(苏州)有限公司 | Communication terminal |
| CN204424446U (en) * | 2015-01-28 | 2015-06-24 | 瑞声精密制造科技(常州)有限公司 | The mobile terminal device of antenna modules and the described antenna modules of employing |
| CN105811076A (en) * | 2016-04-19 | 2016-07-27 | 惠州硕贝德无线科技股份有限公司 | High-isolation mobile phone antenna structure based on metal back cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106921035A (en) | 2017-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106921035B (en) | Antenna system | |
| US10211858B2 (en) | Wireless communication device | |
| CN109149086B (en) | Antenna system and mobile terminal | |
| JP6298104B2 (en) | All-metal backshell antenna system | |
| US6218992B1 (en) | Compact, broadband inverted-F antennas with conductive elements and wireless communicators incorporating same | |
| TWI487198B (en) | A multi-band antenna | |
| CN109728437B (en) | Antenna structure and wireless communication device with same | |
| CN107645043B (en) | Antenna structure and wireless communication device with same | |
| US9825366B2 (en) | Printed circuit board antenna and printed circuit board | |
| US6229487B1 (en) | Inverted-F antennas having non-linear conductive elements and wireless communicators incorporating the same | |
| TWI599095B (en) | Antenna structure and wireless communication device using the same | |
| US8947310B2 (en) | Dual-band antenna | |
| JP2008124617A (en) | Antenna | |
| WO2012144198A1 (en) | Antenna device and portable wireless terminal equipped with same | |
| CN102983394B (en) | Small size planar antenna with five frequency ranges being covered | |
| WO2017024666A1 (en) | Combined antenna system and mobile terminal | |
| US10840592B2 (en) | Electronic device and antenna assembly thereof | |
| US9960479B2 (en) | Antenna device and electronic device | |
| CN107845857B (en) | Antenna structure and antenna system | |
| CN103138052A (en) | Multi-band antenna for portable communication device | |
| US9030368B2 (en) | Antenna | |
| CN103794866A (en) | Mobile communication device | |
| JP5859139B2 (en) | Antenna device and portable information terminal | |
| CN108336480B (en) | Antenna system and mobile terminal | |
| CN108075220A (en) | Terminal antenna component and mobile phone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20220120 |