CN201754431U - Micro-strip feed antenna and mobile terminal - Google Patents
Micro-strip feed antenna and mobile terminal Download PDFInfo
- Publication number
- CN201754431U CN201754431U CN2010201489332U CN201020148933U CN201754431U CN 201754431 U CN201754431 U CN 201754431U CN 2010201489332 U CN2010201489332 U CN 2010201489332U CN 201020148933 U CN201020148933 U CN 201020148933U CN 201754431 U CN201754431 U CN 201754431U
- Authority
- CN
- China
- Prior art keywords
- microstrip
- microstrip line
- shell
- micro
- line
- 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
Landscapes
- Waveguide Aerials (AREA)
Abstract
The utility model provides a micro-strip feed antenna and a mobile terminal. The micro-strip feed antenna comprises a shell, a dielectric slab and a feed micro-strip structure, wherein the shell at least comprises a first part made of metal materials, and a gap for signal radiation is engraved on the first part; the dielectric slab arranged on the first part of the shell comprises a first surface and a second surface opposite to the first surface, and the first surface is in contact with the first part of the shell; the feed micro-strip structure is arranged on the second surface of the dielectric slab, and the at least part of the micro-strip structure is opposite to that of the gap. The micro-strip structure is used for exciting gap radiation and can effectively increase resonant frequency bands of a gap antenna, thereby meeting the bandwidth required by a WiMax-WLan combined antenna; moreover, as the micro-strip feed antenna is small in size, a plurality of micro-strip feed antennaes can be arranged in the mobile terminal, so that the mobile terminal can meet the requirements for the frequency bands of WiMaxs and WLans in different regions around the world.
Description
Technical field
The utility model relates to a kind of antenna, relates in particular to a kind of microstrip-fed antenna and portable terminal.
Background technology
The slot antenna that existing metal-back notebook is installed mainly contains following two kinds:
Mode one: simple slot antenna, the crack of on metal-back or PCB (printed circuit board (PCB)), cracking, the signal terminal and the earth terminal of holding wire (feed) are connected on the both sides, slit respectively.Yet this mode is not suitable at broadband, the multiband antenna realized on the notebook under the small dimensions limit condition.Because feed structure is simple, this structure is generally single band, double frequency-band resonance structure, is difficult to realize enough bandwidth.
Mode two: with the slot antenna of impedance component realization multiband,, change the operating frequency of antenna, realize multiband, but can't realize multiband and bandwidth simultaneously by changing the impedor resistance value that is connected.
From the above, traditional slot antenna is difficult to reach the desired bandwidth of WiMax-Wlan (worldwide interoperability for microwave access-WLAN (wireless local area network)) joint antenna under the situation of the size constancy of traditional Wlan (WLAN (wireless local area network)) antenna.
The utility model content
In order to address the above problem, the purpose of this utility model provides a kind of microstrip-fed antenna and portable terminal, makes the bandwidth of this microstrip-fed antenna can satisfy the desired bandwidth of WiMax-WLan joint antenna.
In order to achieve the above object, the utility model provides a kind of microstrip-fed antenna, comprising:
One shell 11 comprises first at least, and the material of described first is a metal material, and engraves the slit 12 that is useful on signal radiation in described first;
One dielectric-slab 13 is arranged in the first of described shell 11, wherein said dielectric-slab 13 comprise first with described first relative second, described first first with described shell 11 contacts; And
One feed is with microstrip structure 14, is arranged on second of described dielectric-slab 13, and relative to small part and described slit of described microstrip structure 14 to small part, described microstrip structure 14 is used to encourage 12 radiation of described slit; Described microstrip structure 14 comprises: first microstrip line 141, second microstrip line 142 and the 3rd microstrip line 143, and an end of wherein said first microstrip line 141 is connected with described the 3rd microstrip line 143 respectively with an end of described second microstrip line 142;
One distributing point 15 is arranged on the described microstrip structure 14.
Preferably, described first microstrip line 141 comprises: a first 1411, a second portion 1412 and a third part 1413, one end of wherein said first 1411 is connected with described the 3rd microstrip line 143, the other end of described first 1411 is connected with an end of described second portion 1412, and the other end of described second portion 1412 is connected with an end of described third part 1413.
Preferably, described first 1411 is identical with the bearing of trend of described third part 1413, and described second portion 1412 is opposite with the bearing of trend of described the 3rd microstrip line 143, and described third part 1413 and described the 3rd microstrip line 143 vertical to small part with described slit 12 respectively.
Preferably, described second microstrip line 142 comprises: one the 4th part 1421, one the 5th part 1422 and one the 6th part 1423, one end of wherein said the 4th part 1421 is connected with described the 3rd microstrip line 143, the other end of described the 4th part 1421 is connected with an end of described the 5th part 1422, and the other end of described the 5th part 1422 is connected with described the 6th part 1423.
Preferably, described the 4th part 1421 is opposite with the bearing of trend of described the 6th part 1423, and described the 5th part 1422 is opposite with the bearing of trend of described the 3rd microstrip line 143.
Preferably, described microstrip structure also comprises: the 4th microstrip line 144, the two ends of described the 4th microstrip line 144 are connected on respectively on the 4th part 1421 of the first 1411 of described first microstrip line 141 and described second microstrip line 142.
The utility model also provides a kind of portable terminal, comprising:
Shell comprises first at least, and the material of described first is a metal material, and engraves the slit that at least one is used for the wireless signal radiation in described first;
Wireless module is arranged in the described shell, is used to provide and handle wireless signal;
Dielectric-slab is arranged on the described first part of case shell, wherein said dielectric-slab comprise first with described first relative second, described first contacts with described first part of case shell;
At least one feed microstrip structure, be arranged on second of described dielectric-slab, relative to small part and described slit of described microstrip structure to small part, described microstrip structure comprises: first microstrip line, second microstrip line and the 3rd microstrip line, and an end of wherein said first microstrip line is connected with described the 3rd microstrip line respectively with an end of described second microstrip line;
One distributing point is arranged on the described microstrip structure.
Preferably, described first microstrip line comprises: a first, a second portion and a third part, one end of wherein said first is connected with described the 3rd microstrip line, the other end of described first is connected with an end of described second portion, and the other end of described second portion is connected with an end of described third part.
Preferably, described second microstrip line comprises: one the 4th part, one the 5th part and one the 6th part, a wherein said tetrameric end is connected with described the 3rd microstrip line, the described tetrameric other end is connected with an end of described the 5th part, and the other end of described the 5th part is connected with described the 6th part.
Preferably, described microstrip structure also comprises: the 4th microstrip line, the two ends of described the 4th microstrip line are connected on respectively on described first microstrip line and described second microstrip line.
Preferably, on the described shell symmetry be provided with two slits and two microstrip structures, relative with described two slits respectively to small part of described two microstrip structures to small part.
At least one technical scheme in the technique scheme has following beneficial effect: by the microstrip structure in this microstrip-fed antenna slot antenna is carried out feed, can effectively increase the resonance frequency band of slot antenna, thereby satisfy the desired bandwidth of WiMax-WLan joint antenna, and because the size of this microstrip-fed antenna is less, a plurality of microstrip-fed antennas can be set in portable terminal, make this portable terminal can satisfy the frequency band requirement of the WiMax and the WLan of global different regions.
Description of drawings
Fig. 1 is the structural representation of microstrip-fed antenna in the utility model;
Fig. 2 is the structural representation of portable terminal in the utility model.
Embodiment
In order to make those skilled in the art understand scheme of the present utility model better, embodiment of the present utility model is described in further detail below in conjunction with drawings and embodiments.
Referring to Fig. 1, be the structural representation of microstrip-fed antenna in the utility model, by among the figure as can be known, this microstrip-fed antenna comprises:
One shell 11, at least comprise first, the material of this first is a metal material, and in this first, engrave the slit 12 that is useful on signal radiation, do not limit the shape and the particular location in slit 12 in the present embodiment, for example the shape in this slit 12 can be L shaped, but and a plurality of slits 12 is set in this first.This slit is located available plastics and is filled.
One dielectric-slab 13 is arranged in the first of this shell 11, wherein this dielectric-slab 13 comprise first with relative with this first second, this first first with shell 11 contacts.In the present embodiment, the PCB base material that can be selected to feed is used as dielectric-slab 13;
One feed is with microstrip structure 14, is arranged on second of dielectric-slab 13, and relative to small part and slit 12 of microstrip structure 14 to small part, this microstrip structure is used to encourage this slit 12 radiation; This microstrip structure 14 comprises: first microstrip line 141, second microstrip line 142 and the 3rd microstrip line 143, wherein an end of first microstrip line 141 is connected with the 3rd microstrip line 143 respectively with an end of second microstrip line 142, do not limit the concrete manifestation form of this microstrip structure in the present embodiment, for example can adopt syndeton as shown in fig. 1, the microstrip structure 14 of approximate " F " shape that is connected to form by first microstrip line 141, second microstrip line 142 and the 3rd microstrip line 143.By above-mentioned connected mode, can make that this feed is a balance/imbalance converter (Balun) structure with microstrip structure 14, thereby can form the multiband feed in the present embodiment.
In the present embodiment, in order to strengthen the effect of expansion slot antenna bandwidth, for example increase the path of induced current mobile process in microstrip structure, first microstrip line 141 can also be bent on this dielectric-slab 13, but also second microstrip line can be bent on this dielectric-slab 13, by the microstrip structure that forms special shape slot antenna is carried out feed, to increase the resonance frequency band of slot antenna, make three frequency bands reach following higher index simultaneously, for example can make relative bandwidth reach 16% at 2.5GHz, relative bandwidth at 3.5GHz reaches 15%, reaches 12.7% in the relative bandwidth of 5.5GHz.
One distributing point 15 is arranged on the microstrip structure 14, and a holding wire inserts at this distributing point 15, and the inner wire of this holding wire connects microstrip structure 14, and the outer conductor of holding wire connects the metal part in the shell 11.
In the present embodiment, this first microstrip line 141 comprises: a first 1411, a second portion 1412 and a third part 1413, wherein an end of this first 1411 is connected with the 3rd microstrip line 143, the other end of this first 1411 is connected with an end of second portion 1412, and the other end of this second portion 1412 is connected with an end of third part 1413.
In order to obtain frequency bandwidth preferably, can bend processing to first microstrip line 141 in the following way, for example first 1411 is identical with the bearing of trend of third part 1413, and second portion 1412 is opposite with the bearing of trend of the 3rd microstrip line 143, and third part 1413 and the 3rd microstrip line 143 vertical to small part with slit 12 respectively.Certainly the mode of bending processing is not limited to this.
In the present embodiment, this second microstrip line 142 comprises: one the 4th part 1421, one the 5th part 1422 and one the 6th part 1423, wherein an end of the 4th part 1421 is connected with the 3rd microstrip line 143, the other end of the 4th part 1421 is connected with an end of the 5th part 1422, and the other end of the 5th part 1422 is connected with the 6th part 1423.
In order to obtain frequency bandwidth preferably, can bend processing to second microstrip line 142 in the following way equally, for example the 4th part 1421 is opposite with the bearing of trend of the 6th part 1423, and the 5th part 1422 is opposite with the bearing of trend of the 3rd microstrip line 143.Certainly the mode of bending processing is not limited to this.
In the present embodiment, described microstrip structure also comprises: the 4th microstrip line 144, the two ends of the 4th microstrip line 144 are connected on respectively on the 4th part 1421 of the first 1411 of described first microstrip line 141 and second microstrip line 142, can effectively increase the path that induced current flows through by the 4th microstrip line 144 is set on microstrip structure.
As shown from the above technical solution, slot antenna is carried out feed, can effectively increase the resonance frequency band of slot antenna, thereby satisfy the desired bandwidth of WiMax-WLan joint antenna by the microstrip structure in this microstrip-fed antenna.
Referring to Fig. 2, be the structural representation of portable terminal in the utility model, by among the figure as can be known, this portable terminal comprises:
The wireless module (not shown) is arranged in the described shell 11, is used to provide and handle wireless signal;
Dielectric-slab 13 is arranged in the first of described shell 11, wherein said dielectric-slab 13 comprise first with described first relative second, described first first with described shell 11 contacts;
At least one feed is with microstrip structure 14, is arranged on second of described dielectric-slab 13, and relative to small part and described slit 12 of described microstrip structure 14 to small part, described microstrip structure 14 is used to encourage 12 radiation of described slit; Relative to small part and described slit 12 of described microstrip structure 14 to small part, described microstrip structure 14 comprises: first microstrip line 141, second microstrip line 142 and the 3rd microstrip line 143, and an end of wherein said first microstrip line 141 is connected with described the 3rd microstrip line 143 respectively with an end of described second microstrip line 142; In the present embodiment, the microstrip structure of two symmetries can be set equally, relative with two slits respectively to small part of these two microstrip structures to small part.By above-mentioned connected mode, can make that this feed is a balance/imbalance converter (Balun) structure with microstrip structure 14, thereby can form the multiband feed in the present embodiment.
In the present embodiment, in order to strengthen the effect of expansion slot antenna bandwidth, for example increase the path of induced current mobile process in microstrip structure, first microstrip line 141 can also be bent on this dielectric-slab 13, but also second microstrip line can be bent on this dielectric-slab 13, by the microstrip structure that forms special shape slot antenna is carried out feed, to increase the resonance frequency band of slot antenna, make three frequency bands reach following higher index simultaneously, for example can make relative bandwidth reach 16% at 2.5GHz, relative bandwidth at 3.5GHz reaches 15%, reaches 12.7% in the relative bandwidth of 5.5GHz.
One distributing point 15 is arranged on the microstrip structure 14, and a holding wire inserts at this distributing point 15, and the inner wire of this holding wire connects microstrip structure 14, and the outer conductor of holding wire connects the metal part in the shell 11.
In the present embodiment, this first microstrip line 141 comprises: a first 1411, a second portion 1412 and a third part 1413, wherein an end of this first 1411 is connected with the 3rd microstrip line 143, the other end of this first 1411 is connected with an end of second portion 1412, and the other end of this second portion 1412 is connected with an end of third part 1413.
In order to obtain frequency bandwidth preferably, can bend processing to first microstrip line 141 in the following way, for example first 1411 is identical with the bearing of trend of third part 1413, and second portion 1412 is opposite with the bearing of trend of the 3rd microstrip line 143, and third part 1413 and the 3rd microstrip line 143 vertical to small part with slit 12 respectively.Certainly the mode of bending processing is not limited to this.
In the present embodiment, this second microstrip line 142 comprises: one the 4th part 1421, one the 5th part 1422 and one the 6th part 1423, wherein an end of the 4th part 1421 is connected with the 3rd microstrip line 143, the other end of the 4th part 1421 is connected with an end of the 5th part 1422, and the other end of the 5th part 1422 is connected with the 6th part 1423.
In order to obtain frequency bandwidth preferably, can bend processing to second microstrip line 142 in the following way equally, for example the 4th part 1421 is opposite with the bearing of trend of the 6th part 1423, and the 5th part 1422 is opposite with the bearing of trend of the 3rd microstrip line 143.Certainly the mode of bending processing is not limited to this.
In the present embodiment, described microstrip structure also comprises: the 4th microstrip line 144, the two ends of the 4th microstrip line 144 are connected on respectively on the 4th part 1421 of the first 1411 of described first microstrip line 141 and second microstrip line 142, can effectively increase the path that induced current flows through by the 4th microstrip line 144 is set on microstrip structure.
Owing to this microstrip-fed antenna can be processed into less size, therefore can install a plurality of on portable terminal LCD screen next door, for example, on portable terminal symmetry be provided with two microstrip-fed antennas, can make this portable terminal can satisfy the frequency band requirement of global different regions WiMax and WLan by above-mentioned mounting means.
Emulation S parameter by microstrip-fed antenna as can be known.This antenna all has very low reflection on two Wlan frequency ranges and a WiMax frequency range, be in resonance condition.And the emulation by microstrip-fed antenna can see that this antenna all has and has omni-directional antenna pattern preferably on two Wlan frequency ranges and WiMax frequency range.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (11)
1. a microstrip-fed antenna is characterized in that, comprising:
One shell (11) comprises first at least, and the material of described first is a metal material, and engraves the slit (12) that is useful on signal radiation in described first;
One dielectric-slab (13) is arranged in the first of described shell (11), wherein said dielectric-slab (13) comprise first with described first relative second, described first first with described shell (11) contacts; And
One feed is with microstrip structure (14), is arranged on second of described dielectric-slab (13), and relative to small part and described slit of described microstrip structure (14) to small part, described microstrip structure (14) is used to encourage described slit (12) radiation; Described microstrip structure (14) comprising: first microstrip line (141), second microstrip line (142) and the 3rd microstrip line (143), and an end of wherein said first microstrip line (141) is connected with described the 3rd microstrip line (143) respectively with an end of described second microstrip line (142);
One distributing point (15) is arranged on the described microstrip structure (14).
2. microstrip-fed antenna according to claim 1, it is characterized in that, described first microstrip line (141) comprising: a first (1411), a second portion (1412) and a third part (1413), one end of wherein said first (1411) is connected with described the 3rd microstrip line (143), the other end of described first (1411) is connected with an end of described second portion (1412), and the other end of described second portion (1412) is connected with an end of described third part (1413).
3. little charged antenna according to claim 2, it is characterized in that, described first (1411) is identical with the bearing of trend of described third part (1413), and described second portion (1412) is opposite with the bearing of trend of described the 3rd microstrip line (143), and described third part (1413) and described the 3rd microstrip line (143) vertical to small part with described slit (12) respectively.
4. microstrip-fed antenna according to claim 3, it is characterized in that, described second microstrip line (142) comprising: one the 4th part (1421), one the 5th part (1422) and one the 6th part (1423), one end of wherein said the 4th part (1421) is connected with described the 3rd microstrip line (143), the other end of described the 4th part (1421) is connected with an end of described the 5th part (1422), and the other end of described the 5th part (1422) is connected with described the 6th part (1423).
5. microstrip-fed antenna according to claim 4 is characterized in that, described the 4th part (1421) is opposite with the bearing of trend of described the 6th part (1423), and described the 5th part (1422) is opposite with the bearing of trend of described the 3rd microstrip line (143).
6. microstrip-fed line according to claim 5, it is characterized in that, described microstrip structure also comprises: the 4th microstrip line (144), the two ends of described the 4th microstrip line (144) are connected on respectively on the 4th part (1421) of the first (1411) of described first microstrip line (141) and described second microstrip line (142).
7. a portable terminal is characterized in that, comprising:
Shell comprises first at least, and the material of described first is a metal material, and engraves the slit that at least one is used for the wireless signal radiation in described first;
Wireless module is arranged in the described shell, is used to provide and handle wireless signal;
Dielectric-slab is arranged on the described first part of case shell, wherein said dielectric-slab comprise first with described first relative second, described first contacts with described first part of case shell;
At least one feed microstrip structure, be arranged on second of described dielectric-slab, relative to small part and described slit of described microstrip structure to small part, described microstrip structure comprises: first microstrip line, second microstrip line and the 3rd microstrip line, and an end of wherein said first microstrip line is connected with described the 3rd microstrip line respectively with an end of described second microstrip line;
One distributing point is arranged on the described microstrip structure.
8. portable terminal according to claim 7, it is characterized in that, described first microstrip line comprises: a first, a second portion and a third part, one end of wherein said first is connected with described the 3rd microstrip line, the other end of described first is connected with an end of described second portion, and the other end of described second portion is connected with an end of described third part.
9. portable terminal according to claim 8, it is characterized in that, described second microstrip line comprises: one the 4th part, one the 5th part and one the 6th part, a wherein said tetrameric end is connected with described the 3rd microstrip line, the described tetrameric other end is connected with an end of described the 5th part, and the other end of described the 5th part is connected with described the 6th part.
10. portable terminal according to claim 9 is characterized in that, described microstrip structure also comprises: the 4th microstrip line, the two ends of described the 4th microstrip line are connected on respectively on described first microstrip line and described second microstrip line.
11. portable terminal according to claim 7 is characterized in that, symmetry is provided with two slits and two microstrip structures, relative to small part with described two slits respectively to small part of described two microstrip structures on the described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201489332U CN201754431U (en) | 2010-03-31 | 2010-03-31 | Micro-strip feed antenna and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201489332U CN201754431U (en) | 2010-03-31 | 2010-03-31 | Micro-strip feed antenna and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201754431U true CN201754431U (en) | 2011-03-02 |
Family
ID=43622163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201489332U Expired - Fee Related CN201754431U (en) | 2010-03-31 | 2010-03-31 | Micro-strip feed antenna and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201754431U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545611A (en) * | 2012-07-12 | 2014-01-29 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN104380528A (en) * | 2012-05-14 | 2015-02-25 | 汤姆逊许可公司 | Method for creating a slot-line on a multilayer substrate and multilayer printed circuit comprising at least one slot-line realized according to said method and used as an isolating slot or antenna |
| CN105530787A (en) * | 2014-12-26 | 2016-04-27 | 比亚迪股份有限公司 | Communication equipment metal shell and preparation method thereof |
| CN108565532A (en) * | 2018-03-26 | 2018-09-21 | 华南理工大学 | A kind of highly integrated bimodulus rectangle resonator double layer planar duplexer |
| CN109698404A (en) * | 2017-10-24 | 2019-04-30 | 和硕联合科技股份有限公司 | Antenna structure and electronic device |
-
2010
- 2010-03-31 CN CN2010201489332U patent/CN201754431U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104380528A (en) * | 2012-05-14 | 2015-02-25 | 汤姆逊许可公司 | Method for creating a slot-line on a multilayer substrate and multilayer printed circuit comprising at least one slot-line realized according to said method and used as an isolating slot or antenna |
| CN103545611A (en) * | 2012-07-12 | 2014-01-29 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN103545611B (en) * | 2012-07-12 | 2019-11-22 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN105530787A (en) * | 2014-12-26 | 2016-04-27 | 比亚迪股份有限公司 | Communication equipment metal shell and preparation method thereof |
| CN109698404A (en) * | 2017-10-24 | 2019-04-30 | 和硕联合科技股份有限公司 | Antenna structure and electronic device |
| CN109698404B (en) * | 2017-10-24 | 2021-03-12 | 和硕联合科技股份有限公司 | Antenna structure and electronic device |
| CN108565532A (en) * | 2018-03-26 | 2018-09-21 | 华南理工大学 | A kind of highly integrated bimodulus rectangle resonator double layer planar duplexer |
| WO2019184271A1 (en) * | 2018-03-26 | 2019-10-03 | 深圳大学 | Double-layer planar duplexer for highly-integrated dual-mode rectangular resonator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201682057U (en) | Multifrequency antenna | |
| EP2728672B1 (en) | Ultra-wideband antenna and terminal | |
| CN201754431U (en) | Micro-strip feed antenna and mobile terminal | |
| CN103840259A (en) | Antenna system | |
| CN205194847U (en) | Super wide band vibrator unit of asymmetry double polarization and antenna | |
| CN203260731U (en) | Broadband mobile terminal antenna | |
| CN103682583A (en) | Mobile device | |
| CN101420060A (en) | Wireless terminal and wireless network card | |
| CN106816710A (en) | Mobile device | |
| CN105027352A (en) | Antenna and terminal | |
| CN105409058A (en) | Antenna apparatus and terminal | |
| CN202817178U (en) | Dual-frequency monopole antenna and its mobile terminal | |
| CN103165975B (en) | Wide-frequency planar inverted-F antenna | |
| CN102969567B (en) | Communication device and method for increasing antenna operation bandwidth | |
| CN105119057B (en) | A kind of multiband microstrip antenna | |
| CN104577308A (en) | Antenna | |
| CN104767026B (en) | A kind of small mobile communication device antenna for covering seven frequency ranges | |
| CN202004151U (en) | Multi-band antenna | |
| CN100379082C (en) | Double-wave band inverted F type antenna | |
| CN200994001Y (en) | Adjustable impedance matching antenna | |
| CN102856634A (en) | Novel broadband LTE (Long Term Evolution) antenna suitable for notebook computer or tablet personal computer | |
| CN101562279B (en) | Small multi-frequency monopole antenna | |
| CN104617397B (en) | A kind of omnidirectional's micro-strip array antenna for being applied to WLAN | |
| CN112242605A (en) | Antenna structure | |
| CN202817180U (en) | Multi-frequency antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20110302 Termination date: 20190331 |