CN101853985A - Mobile communication antenna - Google Patents
Mobile communication antenna Download PDFInfo
- Publication number
- CN101853985A CN101853985A CN200910132987A CN200910132987A CN101853985A CN 101853985 A CN101853985 A CN 101853985A CN 200910132987 A CN200910132987 A CN 200910132987A CN 200910132987 A CN200910132987 A CN 200910132987A CN 101853985 A CN101853985 A CN 101853985A
- Authority
- CN
- China
- Prior art keywords
- ground plane
- antenna
- medium substrate
- present
- mobile communication
- 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.)
- Granted
Links
Images
Abstract
The invention relates to a mobile communication antenna, which comprises a medium substrate, a first grounding plane, a radiation assembly, a second grounding plane and a slit, wherein the first grounding plane is positioned on the medium substrate; the radiation assembly is positioned on the medium substrate or closes to the medium substrate, and the radiation assembly is electrically connected to a signal source positioned on the medium substrate; the second grounding plane is close to one side of the first grounding plane and is electrically connected to the first grounding plane through a metal wire; and the slit is positioned on the second grounding plane and closes to the metal wire.
Description
Technical field
The present invention relates to a kind of mobile communication antenna, particularly a kind of mobile communication antenna with reduction ground plane effect.
Background technology
Along with development of wireless communication devices and progress, wireless communications products miscellaneous also occurs thereupon, and mobile phone then is quite general application.At present the type of mobile phone is comparatively common on the society vertical type, a collapsible and cover-slide-type handset.In dissimilar mobile phones, because the mobile appliance system ground plane difference that is adopted, the antenna that it adopted also is not quite similar.For example clamshell phone is compared to stand hand-set, its system ground is made of upper plate ground plane and motherboard ground plane, therefore directly apply in the clamshell phone as if the antenna with stand hand-set, antenna then need be readjusted or be designed, and its spent R﹠D costs will increase.For example U.S. Pat 6,750,821B2 " Folded Dual-Band AntennaApparatus " (folding double-frequency antenna unit), it discloses a kind of Antenna Design that is applied to stand hand-set, yet if this antenna is directly applied in the clamshell phone, needs are readjusted antenna parameter, increase R﹠D costs.
Summary of the invention
The present invention proposes in order to address the above problem, and the object of the present invention is to provide a kind of mobile communication antenna that reduces the ground plane effect that has, and it can reduce as the influence for antenna performance of the upper plate ground plane of clamshell phone.
For the attainment of one's purpose, the invention provides a kind of mobile communication antenna, comprise: medium substrate, first ground plane, radiation assembly, second ground plane and the line of rabbet joint.First ground plane is formed on the medium substrate with etching or printing technology; Radiation assembly is positioned on the medium substrate or is adjacent to medium substrate, and this radiation assembly and be electrically connected to the signal source that is positioned on the medium substrate; Second ground plane, it is close to a side of first ground plane, and is electrically connected to first ground plane via metal wire; The line of rabbet joint is positioned on second ground plane, and adjacent metal lines.
Design focal point according to antenna of the present invention is and the antenna of stand hand-set can be directly applied to clamshell phone, and do not need antenna is readjusted or designed, and keeps antenna superperformance originally simultaneously.Antenna technology according to the present invention is that the radiation assembly with antenna places on the motherboard or is adjacent to motherboard, near the metal wire that connects upper plate ground plane (second ground plane) and motherboard ground plane (first ground plane), insert the line of rabbet joint simultaneously, this line of rabbet joint can be positioned on the upper plate ground plane or on the motherboard ground plane, the surface current distribution major part of the upper plate ground plane that is excited by the aerial radiation assembly is confined near the line of rabbet joint, other interval surface current of upper plate ground plane distributes and then significantly reduces thus, make the upper plate ground plane significantly reduce, therefore can reduce of the influence of upper plate ground plane antenna performance to the effective length and the area of antenna.
Antenna applications according to the present invention is when clamshell phone, because inserting the line of rabbet joint can be so that upper plate ground plane effect significantly reduces, therefore antenna performance is similar to the situation of antenna applications in stand hand-set, no matter simultaneously antenna of the present invention all has good antenna performance when mobile phone is conversed or during cell phone standby.
Description of drawings
Fig. 1 is the structure chart according to first embodiment of antenna of the present invention;
Fig. 2 is the structure chart according to second embodiment of antenna of the present invention;
Fig. 3 is for returning the loss schematic diagram according to second embodiment of antenna of the present invention;
Fig. 4 is according to the structure chart of antenna the 3rd embodiment of the present invention (situation when two ground planes of second embodiment are parallel each other);
Fig. 5 is for returning the loss schematic diagram according to the 3rd embodiment of antenna of the present invention;
Fig. 6 is the structure chart according to the 4th embodiment of antenna of the present invention;
Fig. 7 is the structure chart according to the 5th embodiment of antenna of the present invention;
Fig. 8 is the structure chart according to the 6th embodiment of antenna of the present invention;
Fig. 9 is the structure chart according to the 7th embodiment of antenna of the present invention.
Main symbol description: 1 is first embodiment of antenna of the present invention, 2 is second embodiment of antenna of the present invention, 4 is the 3rd embodiment (when two ground planes of second embodiment are parallel each other) of antenna of the present invention, 6 is the 4th embodiment of antenna of the present invention, 7 is the 5th embodiment of antenna of the present invention, 8 is the 6th embodiment of antenna of the present invention, 9 is the 7th embodiment of antenna of the present invention, 11 is medium substrate, 12,82,92 is first ground plane, 121,821,921 is a side of first ground plane, 13,23 is radiation assembly, 14 is signal source, 15,45,65,75,85 is second ground plane, 16,76 is metal wire, 17,47,67,77,87,97 is the line of rabbet joint, 231 is the antenna load point, 232 is short dot, 31 is first operational frequency bands of second embodiment of antenna, 32 is second operational frequency bands of second embodiment of antenna, and 33 is first operational frequency bands when the line of rabbet joint not being set among second embodiment of antenna, and 34 is second operational frequency bands when the line of rabbet joint not being set among second embodiment of antenna, 51 is first operational frequency bands of the 3rd embodiment of antenna, and 52 is second operational frequency bands of the 3rd embodiment of antenna.
Embodiment
Fig. 1 is according to the structure chart of first embodiment of antenna of the present invention, comprises: medium substrate 11, first ground plane 12, radiation assembly 13, second ground plane 15 and the line of rabbet joint 17.First ground plane 12 is formed on the medium substrate 11 with etching or printing technology; Radiation assembly 13 is positioned on the medium substrate 11 or is adjacent to medium substrate 11, and this radiation assembly 13 and be electrically connected to the signal source 14 that is positioned on the medium substrate 11; Second ground plane 15 is close to a side 121 of first ground planes, and is electrically connected to first ground plane 12 via metal wire 16; The line of rabbet joint 17 is positioned on second ground plane 15, and adjacent metal lines 16.The length of the line of rabbet joint 17 and width should be respectively 20mm (millimeter, millimeter) and 0.3mm at least.
Fig. 2 is according to the structure chart of second embodiment of antenna of the present invention, comprises: medium substrate 11, first ground plane 12, radiation assembly 23, second ground plane 15 and the line of rabbet joint 17.First ground plane 12 is formed on the medium substrate 11 with etching or printing technology; Radiation assembly 23 is formed on the medium substrate 11 with etching or printing technology, and forms the radiation assembly of dual-band antenna or short-circuit monopole antenna.Radiation assembly 23 has antenna load point 231 and short dot 232, and antenna load point 231 is electrically connected to the signal source 14 that is positioned on the medium substrate 11, and short dot 232 is electrically connected to first ground plane 12; Second ground plane 15 is close to a side 121 of first ground planes, and is electrically connected to first ground plane 12 via metal wire 16; The line of rabbet joint 17 is positioned on second ground plane 15, and adjacent metal lines 16.The length of the line of rabbet joint 17 and width should be respectively 20mm and 0.3mm at least.
Fig. 3 is for returning loss figure according to second embodiment of antenna of the present invention.Wherein transverse axis is represented frequency of operation, and loss is returned in longitudinal axis representative.In the present embodiment, first ground plane, 12 length are about 100mm, width is about 60mm, and etching or be printed on the glass medium substrate 11 that thickness is 0.8mm; The area of radiation assembly is 10x60mm
2, and etching or be printed on the glass medium substrate 11; The length of second ground plane 15 is about 100mm, width is about 60mm, and is electrically connected to first ground plane 12 via metal wire 16; The length of the line of rabbet joint 17 is about 35mm, width is about 1.5mm.By laboratory test results as can be known, under 6dB returned loss definition, (824～894/890～960MHz) frequency bands, antenna second operational frequency bands 32 can contain GSM 1800/1900 (1710～1880/1850～1990MHz) frequency bands can to contain GSM850/900 according to first operational frequency bands 31 of second embodiment of antenna of the present invention.Note when the line of rabbet joint 17 not being set among second embodiment according to antenna of the present invention at this, the characteristic of radiation assembly 23 is subjected to the influence of second ground plane 15 bigger, by result among Fig. 3 as can be seen the frequency range of first operational frequency bands 33 decline to a great extent, can't contain the GSM850/900 frequency band, 34 of second operational frequency bands are roughly unaffected.
Fig. 4 is the structure chart according to the 3rd embodiment of antenna of the present invention, and wherein first ground plane 12 is parallel each other with second ground plane 45, and other antenna structure is similar to second embodiment.
Fig. 5 is for returning loss figure according to the 3rd embodiment of antenna of the present invention.By laboratory test results as can be known, return under the loss definition at 6dB, can contain the GSM850/900 frequency band according to first operational frequency bands 51 of the 3rd embodiment of antenna of the present invention and first operational frequency bands 31 of second embodiment, and second operational frequency bands 32 of second operational frequency bands 52 of the 3rd embodiment and antenna second embodiment can contain the GSM1800/1900 frequency band.Note the 3rd embodiment according to antenna of the present invention because of inserting the line of rabbet joint 47 at this, the characteristic of radiation assembly 23 is subjected to the influence of second ground plane 45 hardly.
Fig. 6 is the structure chart according to the 4th embodiment of antenna of the present invention, and wherein the line of rabbet joint 67 is L shaped, and is positioned at second ground plane 65, and other antenna structure is similar to first embodiment.The fourth embodiment of the present invention also can obtain the result that is similar to first embodiment.
Fig. 7 is the structure chart according to the 5th embodiment of antenna of the present invention, and wherein metal wire 76 and the line of rabbet joint 77 roughly are positioned at the centre position of second ground plane 75, and this line of rabbet joint 77 adjacent metal lines 76 still, and other antenna structure is similar to first embodiment.The fifth embodiment of the present invention also can obtain the result that is similar to first embodiment.
Fig. 8 is the structure chart according to the 6th embodiment of antenna of the present invention, wherein second ground plane 85 is close to a side 821 of first ground planes, and be electrically connected to first ground plane 82 via metal wire 16, and the line of rabbet joint 87 is positioned on first ground plane 82, and other antenna structure is similar to first embodiment.The sixth embodiment of the present invention also can obtain the result that is similar to first embodiment.
Fig. 9 is the structure chart according to the 7th embodiment of antenna of the present invention, wherein second ground plane 15 is close to a side 921 of first ground planes, and be electrically connected to first ground plane 12 via metal wire 16, and the line of rabbet joint 97 can be positioned on first ground plane 92 and second ground plane 15 simultaneously, and other antenna structure is similar to first embodiment.The seventh embodiment of the present invention also can obtain the result that is similar to first embodiment.
Be different from general Antenna Design, antenna according to the present invention provides a kind of mobile communication antenna that reduces the ground plane effect that has, it can will be applied to the Antenna Design of stand hand-set originally, directly apply among the clamshell phone, at this moment general antenna performance is subject to the factor of system ground variation and can reduces to minimum, therefore under the situation that need not change antenna size, characteristic when its antenna performance is applied to stand hand-set with script is approximate, and therefore antenna of the present invention quite meets the demand of present cell phone.
More than the embodiment described in the explanation only is explanation principle of the present invention and effect thereof, rather than restriction the present invention.Therefore, those skilled in the art can make amendment to the foregoing description without prejudice to spirit of the present invention and change.Scope of the present invention should be as claim scope of the present invention.
Claims (8)
1. mobile communication antenna is characterized in that comprising:
Medium substrate;
First ground plane, it is positioned on the described medium substrate;
Radiation assembly, it is positioned on the described medium substrate or is adjacent to described medium substrate, and this radiation assembly also is electrically connected to the signal source that is positioned on this medium substrate;
Second ground plane, it is close to a side of described first ground plane, and is electrically connected to this first ground plane via metal wire; And
The line of rabbet joint, it is positioned on described second ground plane, and contiguous described metal wire.
2. mobile communication antenna according to claim 1 is characterized in that described first ground plane is formed on the described medium substrate with etching or printing technology.
3. mobile communication antenna according to claim 1 is characterized in that described line of rabbet joint length is at least 20 millimeters.
4. mobile communication antenna according to claim 1 is characterized in that described slot width is at least 0.3 millimeter.
5. mobile communication antenna is characterized in that comprising:
Medium substrate;
First ground plane, it is positioned on the described medium substrate;
Radiation assembly, it is positioned on the described medium substrate or is adjacent to described medium substrate, and this radiation assembly also is electrically connected to the signal source that is positioned on this medium substrate;
Second ground plane, it is close to a side of described first ground plane, and is electrically connected to this first ground plane via metal wire; And
The line of rabbet joint is positioned on described first ground plane, and contiguous described metal wire.
6. mobile communication antenna according to claim 5 is characterized in that described first ground plane is formed on the described medium substrate with etching or printing technology.
7. mobile communication antenna according to claim 5 is characterized in that described line of rabbet joint length is at least 20 millimeters.
8. mobile communication antenna according to claim 5 is characterized in that at least 0.3 millimeter of described slot width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910132987.1A CN101853985B (en) | 2009-04-01 | 2009-04-01 | Mobile communication antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910132987.1A CN101853985B (en) | 2009-04-01 | 2009-04-01 | Mobile communication antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101853985A true CN101853985A (en) | 2010-10-06 |
| CN101853985B CN101853985B (en) | 2014-04-02 |
Family
ID=42805313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910132987.1A Active CN101853985B (en) | 2009-04-01 | 2009-04-01 | Mobile communication antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101853985B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070063901A1 (en) * | 2005-09-22 | 2007-03-22 | Chia-Lun Tang | Mobile phone antenna |
| WO2008084273A2 (en) * | 2006-12-21 | 2008-07-17 | Nokia Corporation | An antenna device |
| CN101325285A (en) * | 2008-07-17 | 2008-12-17 | 圆刚科技股份有限公司 | Digital television antenna |
-
2009
- 2009-04-01 CN CN200910132987.1A patent/CN101853985B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070063901A1 (en) * | 2005-09-22 | 2007-03-22 | Chia-Lun Tang | Mobile phone antenna |
| WO2008084273A2 (en) * | 2006-12-21 | 2008-07-17 | Nokia Corporation | An antenna device |
| CN101325285A (en) * | 2008-07-17 | 2008-12-17 | 圆刚科技股份有限公司 | Digital television antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101853985B (en) | 2014-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101106211B (en) | Dual loop multi-frequency antenna | |
| CN102694261B (en) | Antenna module | |
| US10236558B2 (en) | LTE full-band cellphone antenna structure | |
| EP2448062A2 (en) | Communication device and antenna thereof | |
| US20100052997A1 (en) | Antenna modules and portable electronic devices using the same | |
| CN103138052B (en) | The multifrequency antenna of portable communication device | |
| JP5692685B2 (en) | Antenna and terminal with antenna | |
| CN102055061B (en) | Multifrequency mobile communication device and antenna thereof | |
| CN103078174A (en) | Multifrequency antenna device | |
| CN103414018A (en) | Dual-band coupling mobile phone antenna | |
| CN201893435U (en) | Broad-band antenna module and machine shell structure integrating broad-band antenna module | |
| CN102055065A (en) | Mobile communication device and antenna thereof | |
| CN104577298A (en) | Communication device | |
| CN102956959A (en) | Communication electronic device and antenna structure thereof | |
| CN102195122B (en) | Thin mobile communication device | |
| CN101207233A (en) | Printing type aerial | |
| CN101853985B (en) | Mobile communication antenna | |
| CN102111460B (en) | Folding mobile communication device | |
| CN106941207A (en) | A kind of electronic equipment | |
| CN101826651B (en) | Multiband antenna and communication device with multiband antenna | |
| CN101621153A (en) | Multifrequency antenna | |
| CN101442150B (en) | Antenna suitable for thin type communication device | |
| CN101859928A (en) | Single-pole slot antenna | |
| TWI411159B (en) | A mobile communication antenna with reduced groundplane effects | |
| CN103427861B (en) | Communicator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |