CN107069219B - All-metal shell 4G broadband antenna - Google Patents
All-metal shell 4G broadband antenna Download PDFInfo
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- CN107069219B CN107069219B CN201710417014.7A CN201710417014A CN107069219B CN 107069219 B CN107069219 B CN 107069219B CN 201710417014 A CN201710417014 A CN 201710417014A CN 107069219 B CN107069219 B CN 107069219B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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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
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
An all-metal-shell G broadband antenna belongs to the technical field of wireless communication antennas. The antenna comprises a main body, wherein an M antenna and a D antenna are respectively arranged at the left end and the right end of the main body, the M antenna and the D antenna are separated through a conductor isolation unit, the M antenna comprises a first radiator, a second radiator, a first coupling body, a first feed point and a first nonconductor, one end of the first radiator is connected with the main body, the other end of the first radiator is connected with one end of the second radiator, the other end of the second radiator is suspended, the first coupling body is connected with the main body, the first feed point is positioned in the middle of the second radiator, the first feed point is positioned in the middle of the first coupling body and on the same longitudinal axis with the first feed point, and the first nonconductor is arranged in a slot between the first radiator, the second radiator, the first coupling body and the conductor isolation unit. The occupied space is small, and the device is suitable for an ultrathin metal shell; frequency coverage with broadband characteristics is easily achieved.
Description
Technical Field
The application belongs to the technical field of wireless communication antennas, and relates to an all-metal shell 4G broadband antenna.
Background
The explosion of information technology makes the demands of people on mobile terminal devices more and more diversified, wherein products with metal texture shells become one of the most popular mainstream designs, such as IPAD, MABOOK, associated Yoga, millet AIR and the like, and all adopt ultrathin integrated metal shells or metal frames. In addition, along with the wide popularization of the 4G-LTE technology, 2G/3G/4G communication is added to many mobile terminal devices on the basis of the original WIFI function, and multi-network data transmission gradually trends. For this reason, brand manufacturers are beginning to strive to develop multifunctional, large-screen and slim products to meet the demands of consumers on the functionality and appearance of mobile terminal devices. The antenna is used as a component for receiving and transmitting radio signals, is one of important components of the mobile terminal equipment, and the performance of the antenna directly influences the communication quality of the mobile terminal equipment. However, due to the limitation of the trend of light and thin design and the packaging of the housing, the space of the antenna is compressed, and the conventional design concept of the antenna is not suitable for the existing product structure.
In view of the above prior art, the present inventors have advantageously devised the technical solutions described below, which are created in this context.
Disclosure of Invention
The application aims to provide an all-metal shell 4G broadband antenna which is wide in coverage frequency range, suitable for an ultrathin shell and capable of achieving good antenna radiation performance.
The application aims at achieving the purpose, and is characterized by comprising a main body, wherein an M antenna and a D antenna are respectively arranged at the left end and the right end of the main body, the M antenna and the D antenna are separated by a conductor isolation unit, the M antenna comprises a first radiator, a second radiator, a first coupling body, a first feed point and a first nonconductor, one end of the first radiator is connected with the main body, the other end of the first radiator is connected with one end of the second radiator, the other end of the second radiator is suspended, the first coupling body is connected with the main body, the first feed point is positioned in the middle of the second radiator, the first feed point is positioned in the middle of the first coupling body and is positioned on the same longitudinal axis with the first feed point, the D antenna comprises a third radiator, a fourth radiator, a fifth radiator, a second coupling body, a second feeding point and a second nonconductor, wherein one end of the third radiator is connected with the main body, the other end of the third radiator is connected with one end of the fourth radiator, the other end of the fourth radiator is connected with one end of the fifth radiator, the other end of the fifth radiator is suspended, the second coupling body is connected with the main body, the second feeding point is positioned in the middle of the fifth radiator, the second feeding point is positioned in the middle of the second coupling body and is positioned on the same longitudinal axis with the second feeding point, and the second nonconductor is positioned in the third radiator, the fourth radiator, the fifth radiator, the second coupling body and the conductor isolation element.
In a specific embodiment of the present application, the low frequency range of the M antenna is 689MHZ to 960MHZ, the high frequency range is 1710MHZ to 2690MHZ, the sum of the lengths of the second radiator and the first radiator is a quarter wavelength of the low frequency 800MHZ, and the length from the suspended end of the second radiator to the first feeding point is a quarter wavelength of the high frequency 1800 MHZ.
In another specific embodiment of the present application, the D antenna has a low frequency range of 689MHZ to 960MHZ, a high frequency range of 1710MHZ to 2690MHZ, the sum of the lengths of the fifth radiator, the fourth radiator and the third radiator is a quarter wavelength of 800MHZ, and the length from the suspended end of the fifth radiator to the second feeding point is a quarter wavelength of 1700 MHZ to 2100 MHZ.
In yet another specific embodiment of the present application, the first nonconductor and the second nonconductor are each in an open loop shape and are integrally formed with the body.
In still another specific embodiment of the present application, the first nonconductor and the second nonconductor are U-shaped, L-shaped, or a stacked combination of U-shaped and L-shaped.
In yet another specific embodiment of the present application, the width of the first nonconductor and the second nonconductor is 1 to 3mm.
In a further embodiment of the application, the conductor isolation unit is internally provided with a semi-enclosed space.
Due to the adoption of the structure, compared with the prior art, the application has the beneficial effects that: the structure is simple, the occupied space is small, and the device is suitable for an ultrathin metal shell; the frequency coverage with broadband characteristics is easy to realize, the interference is small, and the corresponding mobile terminal has good electrical characteristics.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present application.
Fig. 2 is a schematic diagram of a partial structure of an M antenna according to the present application.
Fig. 3 is a schematic diagram of a partial structure of a D antenna according to the present application.
Fig. 4 is a VSWR graph of an M antenna according to the present application.
Fig. 5 is a VSWR graph of the D antenna of the present application.
In the figure: 1. a main body; 2.M antenna, 21, first radiator, 22, second radiator, 23, first coupler, 24, first feed point, 25, first feed point, 26, first nonconductors, 26 a-26 d; the antenna comprises a D antenna, a third radiator, a fourth radiator, a fifth radiator, a second coupler, a second feeding point, a second nonconductor, and nonconductors, 37 a-37 d, wherein the third radiator, the fourth radiator, the fifth radiator, the second coupler, the second feeding point, the second nonconductors, and the nonconductors; 4. a conductor isolation unit; 5. and a round hole.
Detailed Description
The applicant will now describe in detail the detailed description of the application with reference to the accompanying drawings, but the applicant's description of the examples is not limiting on the technical solution, any form, but not substantial, of the variations according to the inventive concept should be regarded as being within the scope of protection of the application.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the positional relationships shown in the drawings, so as to facilitate description of the present application and simplify the description, and do not indicate or imply a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
Referring to fig. 1, the application relates to an all-metal-shell 4G broadband antenna, which comprises a main body 1, wherein the main body 1 is a metal-shell main body of a notebook computer or a tablet computer, and is made of metal or alloy with conductivity through milling and forging processes, and the size of the main body 1 is at least greater than 10 inches. In the embodiment, the M antenna 2 is a main antenna, for example, a 4G-LTE antenna, a CDMA antenna, or the like, and the D antenna is an auxiliary antenna, for example, a GPS antenna, a WIFI antenna, a diversity antenna, or the like. The M antenna 2 and the D antenna 3 are separated by the conductor isolation unit 4, so that the problem of isolation of the electrical characteristic indexes of the M antenna 2 and the D antenna 3 is solved and improved. The conductor isolation unit 4 is internally formed into a semi-closed space, and a camera module, a receiver, a flash lamp or other accessories can be arranged in the semi-closed space.
Referring to fig. 2, the M antenna 2 includes a first radiator 21, a second radiator 22, a first coupling body 23, a first feeding point 24, a first feeding point 25, and a first nonconductor 26. One end of the first radiator 21 is connected with the main body 1, the other end of the first radiator 21 is connected with one end of the second radiator 22, and the other end of the second radiator 22 is suspended. The first radiator 21 and the second radiator 22 are connected in a U shape, and are made of metal, which is the main radiating conductor of the M antenna 2, according to the antenna characteristics. The first coupling body 23 is connected to the main body 1. The first feeding point 24 and the first feeding point 25 are rectangular, the first feeding point 24 is located in the middle of the second radiator 22, and the first feeding point 25 is located in the middle of the first coupling body 23 and on the same longitudinal axis as the first feeding point 24. The first nonconductor 26 is arranged in a slot between the first radiator 21, the second radiator 22, the first coupling body 23 and the conductor isolation unit 4, and is formed into an open annular structure with the width of 1-3 mm, and the annular structure can be adjusted according to the antenna shape, and can be U-shaped, L-shaped or a superposition combination of the U-shaped and the L-shaped.
Specifically, the first non-conductor 26 includes a non-conductor 26a, a non-conductor 26b, a non-conductor 26c and a non-conductor 26d, the non-conductor 26a is disposed in a slot between the first radiator 21 and the conductor isolation unit 4, the width is 1mm to 2mm, the non-conductor 26b is disposed in a slot between the first radiator 21 and the first coupling body 23, the width is 0.5mm to 2mm, the non-conductor 26c and the non-conductor 26d are disposed in a slot between the first radiator 21 and the second radiator 22, the width of the non-conductor 26c is 2mm to 4mm, and the width of the non-conductor 26d is 0.5mm to 2mm. The non-conductor 26a is connected with one end of the non-conductor 26b, the other end of the non-conductor 26b is connected with one end of the non-conductor 26c, and the other end of the non-conductor 26c is connected with the non-conductor 26d, so that a double-L-shaped annular structure is formed, and the first radiator 21 and the second radiator 22 are used for separating from the surrounding conductor isolation unit 4 and the first coupling body 23, so that the low-frequency, high-frequency resonance and frequency bandwidth requirements of the antenna are effectively met. The dimensions of the nonconductors 26a, 26b, 26c and 26d correspond to the dimensions of the first radiator 21 and the second radiator 22. The first nonconductor 26 is fused with the first radiator 21, the second radiator 22, and the conductor isolation unit 4 by an in-mold injection molding process. In the figure, a plurality of round holes 5 are schematically formed around the first coupling body 23 as injection holes integrally formed by an in-mold injection process, and after plastic is melted into liquid at high temperature, the liquid flows into each slot of the M antenna 2 from the injection holes to form a first nonconductor 26, so as to meet the requirements of ultrathin and beautiful metal shell and stable antenna characteristics.
With continued reference to fig. 2, in order to better generate the desired resonant mode of the metal-shell 4G wideband antenna, in the M antenna 2, the current flows from the first feeding point 24 through the second radiator 22 and the first radiator 21 in sequence, and then flows into the ground through the main body 1, thereby forming a LOOP to ground, forming an M antenna main body, which is also a common region of low frequency and high frequency. By adjusting the length and width of the nonconductors 26a, 26b, 26c, 26d, the spacing between the LOOP and the conductor isolation unit 4 and the first coupling 23 can be varied for tuning the low frequency LTE-4G frequencies 689MHZ to 960MHZ and the high frequency 2300MHZ to 2690MHZ resonances and frequency bandwidths. In addition, by adjusting the length of the second radiator 22 to the first feed point 24, the high frequency LTE-4G frequency 1710MHZ to 2300MHZ resonance and frequency bandwidth can be tuned. The sum of the lengths of the second radiator 22 and the first radiator 21 is preferably a quarter wavelength at a low frequency of 800 MHZ. The length from the suspended end of the second radiator 22 to the first feeding point 24 is preferably a quarter wavelength of 1800 MHZ.
Referring to fig. 3, the D antenna 3 includes a third radiator 31, a fourth radiator 32, a fifth radiator 33, a second coupling body 34, a second feeding point 35, a second feeding point 36, and a second non-conductor 37. One end of the third radiator 31 is connected with the main body 1, the other end of the third radiator 31 is connected with one end of the fourth radiator 32, the other end of the fourth radiator 32 is connected with one end of the fifth radiator 33, and the other end of the fifth radiator 33 is suspended. The second coupling body 34 is connected to the main body 1. The second feeding point 35 and the second feeding point 36 are rectangular, the second feeding point 35 is located in the middle of the fifth radiator 33, and the second feeding point 36 is located in the middle of the second coupling body 34 and on the same longitudinal axis as the second feeding point 35. The second non-conductor 37 is located in a slot between the third radiator 31, the fourth radiator 32, the fifth radiator 33, the second coupling body 34 and the conductor isolation unit 4.
Specifically, the second non-conductor 37 includes a non-conductor 37a, a non-conductor 37b, a non-conductor 37c, a non-conductor 37d, and a non-conductor 37e, the non-conductor 37a is disposed in a slot between the third radiator 31 and the conductor isolation unit 4, the width is 2mm to 3mm, the non-conductor 37b is disposed in a slot between the fourth radiator 32 and the fifth radiator 33, the width is 1mm to 2mm, the non-conductor 37c is disposed in a slot between the fifth radiator 33 and the second coupling body 34, the width is 0.5mm to 2mm, the non-conductor 37d is disposed in a slot between the third radiator 31 and the fourth radiator 32 and the fifth radiator 33, the width is 2mm, and the non-conductor 37e is disposed in a slot between the third radiator 31 and the fourth radiator 32, and the width is 2mm. The non-conductor 37a is connected with one end of the non-conductor 37b, the other end of the non-conductor 37b is suspended, one end of the non-conductor 37c is connected with the non-conductor 37b, the other end of the non-conductor 37c is connected with one end of the non-conductor 37d, and the other end of the non-conductor 37d is connected with the non-conductor 37e, so that the third radiator 31, the fourth radiator 32 and the fifth radiator 33 are separated from the surrounding conductor isolation unit 4 and the second coupling body 34, and the requirements of low-frequency, high-frequency resonance and frequency bandwidth of the antenna are effectively met. The second nonconductors 37 are formed integrally by an in-mold injection molding process in the same manner as the first nonconductors 26.
With continued reference to fig. 3, in the D antenna 3, the current flows from the second feeding point 35 through the fifth radiator 33, the fourth radiator 32 and the third radiator 31 in order, and then flows into the ground through the main body 1, thereby forming a LOOP to the ground, forming a D antenna main body, which is also a common region of low frequency and high frequency. By adjusting the lengths and widths of the nonconductors 37a, 37b, 37c, 37d, and 37e, the low frequency 689MHZ to 960MHZ and the high frequency 1710MHZ to 2690MHZ resonances and frequency bandwidths can be adjusted. The sum of the lengths of the fifth radiator 33, the fourth radiator 32 and the third radiator 31 is preferably a quarter wavelength of 800MHZ at low frequencies. The length from the suspended end of the fifth radiator 33 to the second feeding point 35 is preferably a quarter wavelength of 1700-2100 MHZ.
Referring to fig. 4 and 5, the M antenna 2 operates in the frequency range 824-894 MHZ and 1710-2690 MHZ, and the VSWR is smaller than 4. The D antenna 3 works in the frequency range of 1575MHz and 2400-2500 MHz, and the voltage standing wave ratio VSWR is smaller than 4, which all meet the design requirement of the antenna.
In the above embodiment, the M antenna 2 is not specified or designated as the primary antenna, and the D antenna 3 is the secondary antenna. In addition, the present application is also applicable to antenna combinations such as two M antennas 2 or two D antennas 3.
Claims (7)
1. The all-metal shell 4G broadband antenna is characterized by comprising a main body (1), wherein an M antenna (2) and a D antenna (3) are respectively arranged at the left end and the right end of the main body (1), the M antenna (2) and the D antenna (3) are separated by a conductor isolation unit (4), the M antenna (2) comprises a first radiator (21), a second radiator (22), a first coupling body (23), a first feed point (24), a first feed point (25) and a first nonconductor (26), one end of the first radiator (21) is connected with the main body (1), the other end of the first radiator (21) is connected with one end of the second radiator (22), the other end of the second radiator (22) is suspended, the first coupling body (23) is connected with the main body (1), the first feed point (24) is positioned in the middle of the second radiator (22), the first feed point (25) is positioned in the middle of the first coupling body (23) and is on the same longitudinal axis with the first feed point (24), the first nonconductor (26) is arranged in a slot between the first radiator (21), the second radiator (22), the first coupling body (23) and the conductor isolation unit (4), the D antenna (3) comprises a third radiator (31), the novel high-voltage power supply comprises a fourth radiator (32), a fifth radiator (33), a second coupling body (34), a second feed point (35), a second feed point (36) and a second nonconductor (37), wherein one end of the third radiator (31) is connected with a main body (1), the other end of the third radiator (31) is connected with one end of the fourth radiator (32), the other end of the fourth radiator (32) is connected with one end of the fifth radiator (33), the other end of the fifth radiator (33) is suspended, the second coupling body (34) is connected with the main body (1), the second feed point (35) is located in the middle of the fifth radiator (33), the second feed point (36) is located in the middle of the second coupling body (34) and on the same longitudinal axis with the second feed point (35), and the second nonconductor (37) is located in a slot between the third radiator (31), the fourth radiator (32), the fifth radiator (33), the second coupling body (34) and a conductor isolation unit (4).
2. An all-metal-shell 4G broadband antenna according to claim 1, wherein the low-band range of the M antenna (2) is 689 MHZ-960 MHZ, the high-band range is 1710 MHZ-2690 MHZ, the sum of the lengths of the second radiator (22) and the first radiator (21) is a quarter wavelength of the low-band 800MHZ, and the length from the suspended end of the second radiator (22) to the first feeding point (24) is a quarter wavelength of the high-band 1800 MHZ.
3. The all-metal-shell 4G broadband antenna of claim 1, wherein the D antenna (3) has a low frequency range of 689MHZ to 960MHZ and a high frequency range of 1710MHZ to 2690MHZ, the sum of the lengths of the fifth radiator (33), the fourth radiator (32) and the third radiator (31) is a quarter wavelength of 800MHZ at low frequency, and the length from the suspended end of the fifth radiator (33) to the second feeding point (35) is a quarter wavelength of 1700 MHZ to 2100MHZ at high frequency.
4. An all-metal-shell 4G broadband antenna according to claim 1, characterized in that said first (26) and second (37) non-conductors are both open-loop and are integrally formed with the body (1).
5. An all-metal-shell 4G broadband antenna according to claim 4, wherein the first non-conductor (26) and the second non-conductor (37) are U-shaped, L-shaped, or a stacked combination of U-shaped and L-shaped.
6. An all-metal-shell 4G broadband antenna according to claim 4, characterized in that the width of the first (26) and second (37) non-conductors is 1-3 mm.
7. The broadband antenna with the all-metal shell 4G according to claim 1, wherein a semi-closed space is formed inside the conductor isolation unit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710417014.7A CN107069219B (en) | 2017-06-06 | 2017-06-06 | All-metal shell 4G broadband antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417014.7A CN107069219B (en) | 2017-06-06 | 2017-06-06 | All-metal shell 4G broadband antenna |
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| CN107069219A CN107069219A (en) | 2017-08-18 |
| CN107069219B true CN107069219B (en) | 2023-08-18 |
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| CN201710417014.7A Active CN107069219B (en) | 2017-06-06 | 2017-06-06 | All-metal shell 4G broadband antenna |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109103583B (en) * | 2018-09-11 | 2024-05-28 | 合肥联宝信息技术有限公司 | Antenna and electronic equipment |
| EP3993161A4 (en) * | 2019-06-25 | 2023-07-26 | Kyocera Corporation | Antenna, wireless communication module, and wireless communication device |
| CN112490639B (en) * | 2019-09-12 | 2022-09-16 | 华为技术有限公司 | Antenna device, communication product and reconstruction method of antenna directional pattern |
| CN113394548B (en) * | 2020-03-13 | 2022-10-18 | 华为技术有限公司 | Antenna and terminal equipment |
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| CN202977723U (en) * | 2012-12-21 | 2013-06-05 | 启碁科技股份有限公司 | Broadband antenna |
| WO2014029156A1 (en) * | 2012-08-23 | 2014-02-27 | 广东欧珀移动通信有限公司 | Antenna device for mobile communication terminal |
| CN206878183U (en) * | 2017-06-06 | 2018-01-12 | 常熟市泓博通讯技术股份有限公司 | A kind of whole metal case 4G wide frequency antennas |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6004227B2 (en) * | 2012-09-13 | 2016-10-05 | パナソニックＩｐマネジメント株式会社 | ANTENNA DEVICE, RADIO COMMUNICATION DEVICE, AND ELECTRONIC DEVICE |
| TW201427181A (en) * | 2012-12-25 | 2014-07-01 | Compal Electronics Inc | Multi-band antenna |
| US9509053B2 (en) * | 2013-07-08 | 2016-11-29 | Asustek Computer Inc. | Electronic device |
| CN106299675B (en) * | 2015-05-29 | 2020-10-09 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device using same |
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2017
- 2017-06-06 CN CN201710417014.7A patent/CN107069219B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014029156A1 (en) * | 2012-08-23 | 2014-02-27 | 广东欧珀移动通信有限公司 | Antenna device for mobile communication terminal |
| CN202977723U (en) * | 2012-12-21 | 2013-06-05 | 启碁科技股份有限公司 | Broadband antenna |
| CN206878183U (en) * | 2017-06-06 | 2018-01-12 | 常熟市泓博通讯技术股份有限公司 | A kind of whole metal case 4G wide frequency antennas |
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| CN107069219A (en) | 2017-08-18 |
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