CN103199335A - Communication device and antenna structure thereof - Google Patents
Communication device and antenna structure thereof Download PDFInfo
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- CN103199335A CN103199335A CN2012100044227A CN201210004422A CN103199335A CN 103199335 A CN103199335 A CN 103199335A CN 2012100044227 A CN2012100044227 A CN 2012100044227A CN 201210004422 A CN201210004422 A CN 201210004422A CN 103199335 A CN103199335 A CN 103199335A
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Abstract
Provided is a communication device and an antenna structure thereof. The communication device comprises the antenna structure which comprises an earth connection element and an antenna element. A notch is formed in one edge of the earth connection element, the notch extends towards the inside of the earth connection element to form a slot interval, the slot interval almost extends along the direction of the edge, and the width of the slot interval is larger than the length of the notch located in the edge. The antenna element comprises a first radiation portion and a second radiation portion, wherein the first radiation portion is located in the slot interval and excites at least one resonance mode in a first (high frequency) operating frequency band, and the second radiation portion is an open slot antenna which is formed by the slot interval and excites a resonance mode in a second (low frequency) operating frequency band. According to the communication device and the antenna structure of the communication device, more frequency bands can be covered by the antenna element, and influences of hands of a user on the antenna are also reduced.
Description
Technical field
The present invention relates to a kind of communicator and antenna structure thereof, particularly a kind of communicator and antenna structure thereof that excites low frequency and high-frequency operation frequency band in conjunction with opening slot antenna and unipole antenna respectively.By with the breach of the opening slot antenna minor face edge towards the earth element of communicator, communicator of the present invention and antenna structure thereof also can reduce user's hand for the influence of antenna.
Background technology
Along with the fast development of mobile communication industry, mobile communications device is also more and more compact; Therefore, the antenna that is applied on the mobile communications device just must be done integration with peripheral element, and wants to reach the frequency band operation of wideband.In traditional antenna design, antenna element needs to possess in system circuit board a headroom interval, and this headroom is interval and can't do utilization again.This space of having limited the whole system circuit board uses configuration, and this antenna element also is difficult to reach the effect of downsizing.When mobile communications device when reality is used, the arrangement of antennas position will determine mobile device to be subjected to user's hand effect.For instance, United States Patent (USP) the 7th, 768,466 B2 numbers " Multiband folded loop antenna (multifrequency folds the ring antenna) " namely discloses a kind of antenna for mobile phone that occupies three-dimensional space, wherein this antenna for mobile phone is disposed at the edge of a ground plane, and must occupy the operation that wideband is reached at whole edge.This antenna for mobile phone can't be combined closely with ground plane on every side, therefore causes the waste of device volume inside.In addition, the headroom at this antenna for mobile phone place is interval and fail to form radiant element with the excitation resonance pattern, makes this antenna for mobile phone can't contain more operational frequency bands.When user's use comprises the communicator of this antenna for mobile phone, easy position difference because of the hand gripping, and make the radiation characteristic of antenna for mobile phone be affected.
Summary of the invention
The object of the present invention is to provide a kind of communicator and antenna structure thereof, it has in conjunction with unipole antenna and the interval formed opening slot antenna of headroom thereof.But this unipole antenna and this opening slot antenna be the excitation resonance pattern all, makes antenna element can contain more operational frequency bands, makes that also the utilization in the headroom interval on the system circuit board can be more efficient.In addition, the present invention has also reduced the influence of user's hand for antenna.
The invention provides a kind of communicator, comprise an antenna structure, this antenna structure comprises: an earth element, be positioned on the medium substrate, wherein an edge of this earth element has a breach, and this breach extends towards the inside of this earth element, forms a slotted eye interval, and roughly extend along the direction of this edge in this slotted eye interval, and the width in this slotted eye interval is positioned at the length of this edge greater than this breach; And an antenna element, be positioned on this medium substrate, and comprise: one first Department of Radiation is positioned at this slotted eye interval, and excites at least one resonance mode in one first (high frequency) operational frequency bands of this antenna element; And one second Department of Radiation, be an opening slot antenna, and formed by the interval institute of this slotted eye, and excite the interior resonance mode of one second (low frequency) operational frequency bands of this antenna element.
In addition, the invention provides a kind of antenna structure, comprise: an earth element, be positioned on the medium substrate, wherein an edge of this earth element has a breach, and this breach extends towards the inside of this earth element, forms a slotted eye interval, and roughly extend along the direction of this edge in this slotted eye interval, and the width in this slotted eye interval is positioned at the length of this edge greater than this breach; And an antenna element, be positioned on this medium substrate, and comprise: one first Department of Radiation is positioned at this slotted eye interval, and excites at least one resonance mode in one first (high frequency) operational frequency bands of this antenna element; And one second Department of Radiation, be an opening slot antenna, and formed by the interval institute of this slotted eye, and excite the interior resonance mode of one second (low frequency) operational frequency bands of this antenna element.
In an embodiment of the present invention, this first Department of Radiation can be a unipole antenna, and its load point is the load point of this antenna element, and the feeding portion that this first Department of Radiation can be used as this second Department of Radiation excites this opening slot antenna.In addition, this breach is positioned at the length of this edge less than 1/4 of this slotted eye length of an interval degree.The distance of the edge of this slotted eye interval and this earth element is less than 3mm.The edge of this earth element has a metal part, and this metal part is approximately perpendicular to this earth element and is electrically coupled to the edge of this earth element.This metal part is positioned at height on the medium substrate less than 5mm.Communicator of the present invention and antenna structure thereof can be applicable in the thin type mobile communications device, and first and second operational frequency bands of above-described antenna element all contains a mobile band at least.
Description of drawings
Fig. 1 is for showing the schematic diagram according to the described communicator of first embodiment of the invention and antenna structure thereof;
Fig. 2 is for showing the schematic diagram according to the described communicator of second embodiment of the invention and antenna structure thereof;
Fig. 3 returns loss figure for showing according to the described communicator of second embodiment of the invention and antenna structure thereof;
Fig. 4 is for showing the schematic diagram according to the described communicator of third embodiment of the invention and antenna structure thereof;
Fig. 5 is for showing the schematic diagram according to the described communicator of fourth embodiment of the invention and antenna structure thereof.
[main description of reference numerals]
100,200,400,500～communicator and antenna structure thereof;
10～earth element;
One edge of 101～earth element;
11～medium substrate;
12,42,52～breach;
13,43,53～slotted eye interval;
14,24,44,54～antenna element;
141,241,441,541～the first Departments of Radiation;
142,242,442,542～the second Departments of Radiation;
15,25,45,55～load point;
26,56～metal part;
27～inductance element;
31～the first operational frequency bands (high frequency);
32～the second operational frequency bands (low frequency);
The length of d～breach;
T～slotted eye length of an interval degree;
The width in w～slotted eye interval;
The height of h～metal part on earth element.
Embodiment
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, cited below particularlyly go out specific embodiments of the invention, and cooperate appended accompanying drawing, be described in detail below.
Fig. 1 is for showing the schematic diagram according to the described communicator of first embodiment of the invention and antenna structure 100 thereof.In present embodiment, communicator and antenna structure 100 thereof comprise an earth element 10 and an antenna element 14, and wherein this earth element 10 is positioned on the medium substrate 11.One edge 101 of this earth element has a breach 12, and this breach 12 extends towards the inside of this earth element 10, forms a slotted eye interval 13.Roughly extend along the direction of this edge 101 in this slotted eye interval 13.The width w in this slotted eye interval 13 also is positioned at the length d of this edge 101 greater than this breach 12.This antenna element 14 is positioned on this medium substrate 11, and comprises first Department of Radiation 141 and second Department of Radiation 142.This first Department of Radiation 141 is positioned at this slotted eye interval 13, and excites the interior at least one resonance mode of one first (high frequency) operational frequency bands of this antenna element 14.This second Department of Radiation 142 is an opening slot antenna, and is formed by interval 13 of this slotted eye, and excites the interior resonance pattern of one second (low frequency) operational frequency bands of this antenna element 14.Edge 101 that it should be noted that these breach 12 places is a minor face of this earth element 10, and this breach 12 is two corners away from this minor face.Therefore, when user's hand is held communicator of the present invention, can significantly reduce the influence of antenna.
Fig. 2 is for showing the schematic diagram according to the described communicator of second embodiment of the invention and antenna structure 200 thereof.Communicator among communicator among second embodiment and antenna structure 200 thereof and first embodiment and the main difference of antenna structure 100 thereof are as described below.First Department of Radiation 241 is for having the unipole antenna of two branch roads, wherein by in a branch road of this unipole antenna, adding an inductance element 27, can respectively excite a resonance pattern in high frequency and low frequency, to assist to increase the frequency range of first (high frequency) operational frequency bands and second (low frequency) operational frequency bands.It should be noted that this first Department of Radiation 241 also can comprise a plurality of inductance elements 27.Communicator and antenna structure 200 thereof can also comprise a metal part 26, and wherein this metal part 26 is approximately perpendicular to this earth element 10, and are electrically coupled to the edge 101 of this earth element 10.The structure of communicator and antenna structure 200 thereof is similar to communicator and the antenna structure 100 thereof of first embodiment.Under this analog structure, second embodiment also can have the effect similar to first embodiment.
Fig. 3 for show according to the described communicator of second embodiment of the invention and antenna structure 200 thereof return loss (Return Loss) figure, wherein the longitudinal axis represents and returns loss (unit: dB), and transverse axis represents frequency (unit: MHz).In the present embodiment, the length of medium substrate 11 is about 115mm, and width is about 60mm, and thickness is about 0.8mm; Earth element 10 is positioned on the medium substrate 11, and the length d of the breach 12 on the earth element 10 is about 3mm; By between earth element 10 and breach 12 formed open slot porose areas 13, its length t is about 0.14 times of wavelength of the centre frequency (about 900MHz) of second (low frequency) operational frequency bands 32, and between the open slot porose area 13 length t less than a wavelength of four minutes of this centre frequency; The height of metal part 26 is about 3mm, and length is about 50mm.According to measurement, the second embodiment of the present invention is returned at 6dB under the definition of loss (mobile communications device antenna design specification), first operational frequency bands 31 can contain the three operations frequently (1710MHz～2170MHz) of GSM1800/1900/UMTS at least, second operational frequency bands 32 can contain the two operations frequently (824MHz～960MHz), so the present invention can satisfy WWAN five operational requirements frequently at least of GSM850/900 at least.
Fig. 4 is for showing the schematic diagram according to the described communicator of third embodiment of the invention and antenna structure 400 thereof.The structure of the communicator of the 3rd embodiment and antenna structure 400 thereof is similar with communicator and the antenna structure 100 thereof of first embodiment basically, main difference is in the shape that can be bent angle more than in second Department of Radiation 442 of the communicator of Fig. 4 and antenna structure thereof, and in an edge 101 electric property couplings, one metal part 26 of earth element 10.Utilize the length and width of adjustment first Department of Radiation 441 and the length of breach 42 to be offset and impedance magnitude to adjust frequency, the communicator of the 3rd embodiment and antenna structure 400 thereof also can excite two the wideband operational frequency bands similar to the communicator of first embodiment and antenna structure thereof 100, and contain five operations frequently of WWAN.
Fig. 5 is for showing the schematic diagram according to the described communicator of fourth embodiment of the invention and antenna structure 500 thereof.The structure of the communicator of the 4th embodiment and antenna structure 500 thereof is similar with communicator and the antenna structure 100 thereof of first embodiment basically, main difference is in the metal part 56 of communicator and antenna structure 500 thereof and has a bending, can increase the area of metal part 56, to adjust the impedance matching of antenna element 54.The communicator of the 4th embodiment and antenna structure 500 thereof also can excite two the wideband operational frequency bands similar to the communicator of first embodiment and antenna structure thereof 100, and contain five operations frequently of WWAN
Though the present invention discloses as above with preferred embodiment; so it is not in order to limit scope of the present invention; any those of ordinary skills; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the scope that claim defines.
Claims (12)
1. a communicator comprises an antenna structure, and this antenna structure comprises:
One earth element, be positioned on the medium substrate, wherein an edge of this earth element has a breach, this breach extends towards the inside of this earth element, form a slotted eye interval, and roughly extend along the direction of this edge in this slotted eye interval, and the width in this slotted eye interval is positioned at the length of this edge greater than this breach; And
One antenna element is positioned on this medium substrate, and comprises:
One first Department of Radiation is positioned at this slotted eye interval, and excites the interior at least one resonance mode of one first (high frequency) operational frequency bands of this antenna element; And
One second Department of Radiation is an opening slot antenna, and forms by this slotted eye is interval, and excites the interior resonance mode of one second (low frequency) operational frequency bands of this antenna element.
2. communicator as claimed in claim 1, wherein the distance of interval this edge with this earth element of this slotted eye is less than 3mm.
3. communicator as claimed in claim 1, wherein this breach is positioned at the length of this edge less than 1/4 of this slotted eye length of an interval degree.
4. communicator as claimed in claim 1 also comprises:
One metal part is approximately perpendicular to this earth element, and is electrically coupled to this edge of this earth element.
5. communicator as claimed in claim 4, wherein this metal part is positioned at height on this earth element less than 5mm.
6. communicator as claimed in claim 1, wherein this first Department of Radiation also comprises at least one inductance element.
7. antenna structure comprises:
One earth element, be positioned on the medium substrate, wherein an edge of this earth element has a breach, this breach extends towards the inside of this earth element, form a slotted eye interval, and roughly extend along the direction of this edge in this slotted eye interval, and the width in this slotted eye interval is positioned at the length of this edge greater than this breach; And
One antenna element is positioned on this medium substrate, and comprises:
One first Department of Radiation is positioned at this slotted eye interval, and excites the interior at least one resonance mode of one first (high frequency) operational frequency bands of this antenna element; And
One second Department of Radiation is an opening slot antenna, and forms by this slotted eye is interval, and excites the interior resonance mode of one second (low frequency) operational frequency bands of this antenna element.
8. antenna structure as claimed in claim 7, wherein the distance of interval this edge with this earth element of this slotted eye is less than 3mm.
9. antenna structure as claimed in claim 7, wherein this breach is positioned at the length of this edge less than 1/4 of this slotted eye length of an interval degree.
10. antenna structure as claimed in claim 7 also comprises:
One metal part is approximately perpendicular to this earth element, and is electrically coupled to this edge of this earth element.
11. antenna structure as claimed in claim 10, wherein this metal part is positioned at height on this earth element less than 5mm.
12. antenna structure as claimed in claim 7, wherein this first Department of Radiation also comprises at least one inductance element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100044227A CN103199335A (en) | 2012-01-04 | 2012-01-04 | Communication device and antenna structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100044227A CN103199335A (en) | 2012-01-04 | 2012-01-04 | Communication device and antenna structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103199335A true CN103199335A (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100044227A Pending CN103199335A (en) | 2012-01-04 | 2012-01-04 | Communication device and antenna structure thereof |
Country Status (1)
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| CN (1) | CN103199335A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836030A (en) * | 2014-02-12 | 2015-08-12 | 宏碁股份有限公司 | Mobile communication device |
| CN104934707A (en) * | 2014-03-17 | 2015-09-23 | 广达电脑股份有限公司 | Antenna structure |
| CN106469844A (en) * | 2015-08-18 | 2017-03-01 | 苹果公司 | There is the electronic device antenna of embedded parasitic |
| CN106716716A (en) * | 2014-09-22 | 2017-05-24 | 精工解决方案有限公司 | Compact slot-type antenna |
| US9728851B2 (en) | 2013-10-02 | 2017-08-08 | Acer Incorporated | Mobile communication device |
| CN110071365A (en) * | 2018-01-24 | 2019-07-30 | 仁宝电脑工业股份有限公司 | Anneta module |
| CN111355018A (en) * | 2018-12-24 | 2020-06-30 | 启碁科技股份有限公司 | Antenna structure and mobile device |
| CN112311910A (en) * | 2019-07-29 | 2021-02-02 | 宏碁股份有限公司 | Mobile device |
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| CN102106038A (en) * | 2008-07-24 | 2011-06-22 | Nxp股份有限公司 | An antenna arrangement and a radio apparatus including the antenna arrangement |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9728851B2 (en) | 2013-10-02 | 2017-08-08 | Acer Incorporated | Mobile communication device |
| CN104836030B (en) * | 2014-02-12 | 2019-01-22 | 宏碁股份有限公司 | Mobile communications device |
| CN104836030A (en) * | 2014-02-12 | 2015-08-12 | 宏碁股份有限公司 | Mobile communication device |
| CN104934707B (en) * | 2014-03-17 | 2018-07-13 | 广达电脑股份有限公司 | Antenna structure |
| CN104934707A (en) * | 2014-03-17 | 2015-09-23 | 广达电脑股份有限公司 | Antenna structure |
| CN106716716A (en) * | 2014-09-22 | 2017-05-24 | 精工解决方案有限公司 | Compact slot-type antenna |
| CN106716716B (en) * | 2014-09-22 | 2019-10-11 | 精工解决方案有限公司 | Small-sized slot-type antenna |
| US10665950B2 (en) | 2014-09-22 | 2020-05-26 | Seiko Solutions Inc., Chikouji | Compact slot-type antenna |
| CN106469844A (en) * | 2015-08-18 | 2017-03-01 | 苹果公司 | There is the electronic device antenna of embedded parasitic |
| US10707558B2 (en) | 2015-08-18 | 2020-07-07 | Apple Inc. | Electronic device antenna with embedded parasitic arm |
| CN110071365A (en) * | 2018-01-24 | 2019-07-30 | 仁宝电脑工业股份有限公司 | Anneta module |
| US11217873B2 (en) | 2018-01-24 | 2022-01-04 | Compal Electronics, Inc. | Antenna module |
| CN111355018A (en) * | 2018-12-24 | 2020-06-30 | 启碁科技股份有限公司 | Antenna structure and mobile device |
| CN111355018B (en) * | 2018-12-24 | 2022-07-26 | 启碁科技股份有限公司 | Antenna structure and mobile device |
| CN112311910A (en) * | 2019-07-29 | 2021-02-02 | 宏碁股份有限公司 | Mobile device |
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Application publication date: 20130710 |