CN202678524U - Mobile terminal antenna with aperture coupling feed - Google Patents
Mobile terminal antenna with aperture coupling feed Download PDFInfo
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- CN202678524U CN202678524U CN 201220159076 CN201220159076U CN202678524U CN 202678524 U CN202678524 U CN 202678524U CN 201220159076 CN201220159076 CN 201220159076 CN 201220159076 U CN201220159076 U CN 201220159076U CN 202678524 U CN202678524 U CN 202678524U
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- conductive antenna
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- mobile terminal
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Abstract
The utility model discloses a mobile terminal antenna with aperture coupling feed, and the mobile terminal antenna comprises a reference ground plane, a dielectric layer, a grounded conductive antenna element and a conductive antenna element connected with a signal feeder, wherein a coupled aperture is formed between the grounded conductive antenna element and the conductive antenna element connected with the signal feeder; and the grounded conductive antenna element is not connected with the conductive antenna element connected with the signal feeder. The mobile terminal antenna can be used for reducing the influence of environment on the antenna under the condition that the volume of the antenna is reduced, and is suitable for an ultrathin mobile phone; and the length of a conductive antenna element body is reduced, so that the material needed by the production is reduced, and the production cost is lowered.
Description
(1) technical field:
The utility model belongs to the field of antenna of electronics portable terminal, has the mobile terminal antenna that relates to a kind of aperture-coupled.
(2) background technology:
Present antenna on the market mainly comprises following several:
A) the double-fed pin of using in the common mobile terminal or the antenna feed of presenting pin all are direct-connected feeds more, and namely the conductive antenna elements of ground connection directly links to each other with the conductive antenna elements that is connected the signal feed-in.
B) slot-coupled is used in mobile terminal antenna often, but all is to increase resonance or expand bandwidth with this, such as the FICA antenna of motor company or conventional slot antenna etc.
C) mode of using cutler feed is arranged in microstrip antenna, but be not applied to the mobile terminal antenna aspect.
Present portable terminal all requires miniaturization, and the device around mainboard and the antenna often is equivalent to another arm of antenna, and it is quite large just to mean that also antenna is affected by mainboard and antenna peripheral devices, and often antenna performance will degradation when antenna environment is abominable.The electronically small antenna that is applied at present on the other hand portable terminal is quarter-wave aerial greatly, because its volume is little, the free space performance is not poor yet, so use more, but it is more much bigger than 1/2nd wavelength antennas that it is affected by environment for use in portable terminal, especially the impact of the number of people and staff.Although and 1/2nd wavelength antennas are affected by environment little, its cabling requirement length almost is 2 times of quarter-wave aerial under equal environment, requires too high to antenna space.
(3) summary of the invention:
In order to overcome the deficiencies in the prior art, the purpose of this utility model is: by a kind of mobile terminal antenna of aperture-coupled is provided, in the situation that reduces antenna volume, reduce the impact that antenna is subjected to environment; Be applicable to ultra thin handset; Because its conductive antenna elements body length reduces, produce material requested and reduce, reduce production costs.
The utility model is to realize by following technical scheme:
A kind of mobile terminal antenna of aperture-coupled, comprise: a reference horizontal plane of manufacturing, one dielectric layer, the conductive antenna elements of one ground connection, one connects the conductive antenna elements of signal feed-in, form the coupling slit between the conductive antenna elements of the conductive antenna elements of this ground connection and this connection signal feed-in, be not connected between the conductive antenna elements of the conductive antenna elements of described ground connection and the feed-in of described connection signal.
As the improvement of technique scheme, further technical scheme of the present utility model is as follows:
Further, above-mentioned reference horizontal plane of manufacturing can be the pcb board of portable terminal, also can be as the conductive devices of portable terminal with reference to ground.
Further, above-mentioned reference horizontal plane of manufacturing extends to the conductive antenna elements of ground connection and the below that connects the conductive antenna elements of signal feed-in.
Further, above-mentioned reference horizontal plane of manufacturing does not extend to the conductive antenna elements of ground connection and the below that connects the conductive antenna elements of signal feed-in.
Further, above-mentioned dielectric layer can be air, individual layer dielectric constant dielectric structure or multilayer dielectric structure.
Along with the increase of dielectric constant, the volume of conductor antenna element can further reduce.
Further, the conductive antenna elements of above-mentioned ground connection can be made of the electric conducting material of steel disc, soft FPC or other techniques.
The conductive antenna elements shape of ground connection is any, can consist of with the conductive antenna elements slot-coupled that is connected the signal feed-in resonance of single-frequency or multifrequency.
Further, the conductive antenna elements of above-mentioned connection signal feed-in can be made of the electric conducting material of steel disc, soft FPC or other techniques.
This conductive antenna elements that connects the signal feed-in can consist of with the conductive antenna elements slot-coupled of ground connection the resonance of single-frequency or multifrequency.
The key technology point of technique scheme is:
1, adopt the mode FD feed of aperture-coupled, rather than general direct-connected mode FD feed.
2, the mode of employing aperture-coupled has reduced the resonance length of conductive antenna elements, has namely reduced the volume of antenna.
3, adopt the mode of aperture-coupled so that the Electric Field Distribution on the antenna radiator is more even, do not depositing so significantly " focus " or " sensitive spot " on the antenna radiator, namely reduced the impact that antenna is subjected to environment, with the Time Bandwidth aspect better than traditional antenna.
The beneficial effects of the utility model are: by the aperture-coupled mode, so that to the electrical length demand of conductive antenna elements body less than quarter-wave, its antenna radiator is entered the court and is evenly distributed simultaneously, antenna is affected by environment little, overcome known technology the quarter-wave aerial large and too large defective of half-wavelength antenna volume affected by environment, compatible volume little advantage little and affected by environment is so that the transmitting-receiving quality of signal is more good than known technology.
Because its conductive antenna elements body length reduces, produce material requested and reduce, reduced production cost, saved resource.
(4) description of drawings:
Fig. 1 is the structural representation of a specific embodiment of the utility model;
Fig. 2 is the structural representation of another embodiment of the utility model;
Fig. 3 a is the antenna model figure that identical track lengths is used aperture-coupled;
Fig. 3 b is the antenna model figure that identical track lengths is not used aperture-coupled;
Fig. 4 is the antenna standing wave pattern that aperture-coupled was used and do not used to identical track lengths.
(5) embodiment:
Below in conjunction with accompanying drawing the utility model is described in detail, but not as to restriction of the present utility model:
As shown in Figure 1, present embodiment comprises: a reference horizontal plane of manufacturing 1, one dielectric layer 2, the conductive antenna elements 3 of one ground connection, one connects the conductive antenna elements 4 of signal feed-in, form the coupling slit between the conductive antenna elements 4 of the conductive antenna elements 3 of this ground connection and this connection signal feed-in, be not connected between the conductive antenna elements 4 of the conductive antenna elements 3 of described ground connection and the feed-in of described connection signal.
The reference horizontal plane of manufacturing 1 of present embodiment can be the pcb board of portable terminal, also can be as the conductive devices of portable terminal with reference to ground.
The reference horizontal plane of manufacturing 1 of present embodiment extend to the conductive antenna elements of ground connection and connect the signal feed-in conductive antenna elements the below or do not extend to the conductive antenna elements of ground connection and the below that connects the conductive antenna elements of signal feed-in.
The dielectric layer 2 of present embodiment can be air, individual layer dielectric constant dielectric structure or multilayer dielectric structure.
Along with the increase of dielectric constant, the volume of conductor antenna element can further reduce.
The conductive antenna elements 3 of the ground connection of present embodiment can be made of the electric conducting material of steel disc, soft FPC or other techniques.
The conductive antenna elements 4 of the connection signal feed-in of present embodiment can be made of the electric conducting material of steel disc, soft FPC or other techniques.
This conductive antenna elements 4 that connects the signal feed-in can consist of with conductive antenna elements 3 slot-coupleds of ground connection the resonance of single-frequency or multifrequency.
The key technology point of technique scheme is:
1, adopt the mode FD feed of aperture-coupled, rather than general direct-connected mode FD feed.
2, the mode of employing aperture-coupled has reduced the resonance length of conductive antenna elements, has namely reduced the volume of antenna.
3, adopt the mode of aperture-coupled so that the Electric Field Distribution on the antenna radiator is more even, do not depositing so significantly " focus " or " sensitive spot " on the antenna radiator, namely reduced the impact that antenna is subjected to environment, with the Time Bandwidth aspect better than traditional antenna.
By the aperture-coupled mode, so that to the electrical length demand of conductive antenna elements body less than quarter-wave, its antenna radiator is entered the court and is evenly distributed simultaneously, antenna is affected by environment little, overcome known technology the quarter-wave aerial large and too large defective of half-wavelength antenna volume affected by environment, compatible volume little advantage little and affected by environment is so that the transmitting-receiving quality of signal is more good than known technology.
Because its conductive antenna elements body length reduces, produce material requested and reduce, reduced production cost, saved resource.
As shown in Figure 2, present embodiment also can adopt the vertical clearance gap feed.
Such as Fig. 3 a, Fig. 3 b and shown in Figure 4, the BT of a certain mobile phone the WiFi antenna use the situation of this technology, the environment of antenna: area is 50mm*mm, highly is 3mm, antenna is the PIFA form.
Same track lengths is used and is not used the antenna standing wave situation of aperture-coupled and can find out, add slot-coupled resonance feed after, the electrical length of antenna is elongated; Will reach same resonance point accordingly, with under the environment, the cabling of antenna has shortened.
Above-described embodiment is preferred embodiments of the present utility model; but execution mode of the present utility model is not limited to this; other are any not to deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitute, combination, simplify; be the substitute mode of equivalence, be included within the protection range of the present utility model.
Claims (7)
1. the mobile terminal antenna of an aperture-coupled, it is characterized in that, comprise: a reference horizontal plane of manufacturing, one dielectric layer, the conductive antenna elements of one ground connection, one connects the conductive antenna elements of signal feed-in, and the conductive antenna elements of this ground connection and should connect between the conductive antenna elements of signal feed-in and form the coupling slit is not connected between the conductive antenna elements of the conductive antenna elements of described ground connection and the feed-in of described connection signal.
2. the mobile terminal antenna of a kind of aperture-coupled according to claim 1, it is characterized in that: described reference horizontal plane of manufacturing can be the pcb board of portable terminal, also can be as the conductive devices of portable terminal with reference to ground.
3. the mobile terminal antenna of a kind of aperture-coupled according to claim 1 is characterized in that: described reference horizontal plane of manufacturing extends to the conductive antenna elements of ground connection and the below that connects the conductive antenna elements of signal feed-in.
4. the mobile terminal antenna of a kind of aperture-coupled according to claim 1 is characterized in that: described reference horizontal plane of manufacturing does not extend to the conductive antenna elements of ground connection and the below that connects the conductive antenna elements of signal feed-in.
5. the mobile terminal antenna of a kind of aperture-coupled according to claim 1, it is characterized in that: described dielectric layer can be air, individual layer dielectric constant dielectric structure or multilayer dielectric structure.
6. the mobile terminal antenna of a kind of aperture-coupled according to claim 1, it is characterized in that: the conductive antenna elements of described ground connection can be made of the electric conducting material of steel disc, soft FPC or other techniques.
7. the mobile terminal antenna of a kind of aperture-coupled according to claim 1, it is characterized in that: the conductive antenna elements of described connection signal feed-in can be made of the electric conducting material of steel disc, soft FPC or other techniques.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220159076 CN202678524U (en) | 2012-04-14 | 2012-04-14 | Mobile terminal antenna with aperture coupling feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220159076 CN202678524U (en) | 2012-04-14 | 2012-04-14 | Mobile terminal antenna with aperture coupling feed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678524U true CN202678524U (en) | 2013-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220159076 Expired - Lifetime CN202678524U (en) | 2012-04-14 | 2012-04-14 | Mobile terminal antenna with aperture coupling feed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655273A (en) * | 2012-04-14 | 2012-09-05 | 广东步步高电子工业有限公司 | Mobile terminal antenna with aperture coupling feed |
| CN103151612A (en) * | 2013-03-29 | 2013-06-12 | 东南大学 | Broadside coupled feeding multi-band frequency broadband planar antenna |
-
2012
- 2012-04-14 CN CN 201220159076 patent/CN202678524U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655273A (en) * | 2012-04-14 | 2012-09-05 | 广东步步高电子工业有限公司 | Mobile terminal antenna with aperture coupling feed |
| CN103151612A (en) * | 2013-03-29 | 2013-06-12 | 东南大学 | Broadside coupled feeding multi-band frequency broadband planar antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ACCO ELECTRONICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BUBUGAO ELECTRONIC INDUSTRY CO LTD, GUANGDONG Effective date: 20131230 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 523850 DONGGUAN, GUANGDONG PROVINCE TO: 523000 DONGGUAN, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20131230 Address after: 283 No. 523000 Guangdong province Dongguan city Changan town usha BBK Avenue Patentee after: ACCO ELECTRONIC SCIENCE & TECHNOLOGY CO., LTD. Address before: 523850 Guangdong Province, Dongguan city Changan town usha management area Patentee before: Guangdong Bubugao Electronic Industry Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: VIVO MOBILE COMMUNICATION CO., LTD. Free format text: FORMER NAME: ACCO ELECTRONICS TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 283 No. 523000 Guangdong province Dongguan city Changan town usha BBK Avenue Patentee after: VIVO MOBILE COMMUNICATION CO., LTD. Address before: 283 No. 523000 Guangdong province Dongguan city Changan town usha BBK Avenue Patentee before: ACCO ELECTRONIC SCIENCE & TECHNOLOGY CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |