CN100544117C - Device for mobile communication and plane antenna structure thereof - Google Patents
Device for mobile communication and plane antenna structure thereof Download PDFInfo
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- CN100544117C CN100544117C CNB2004100826357A CN200410082635A CN100544117C CN 100544117 C CN100544117 C CN 100544117C CN B2004100826357 A CNB2004100826357 A CN B2004100826357A CN 200410082635 A CN200410082635 A CN 200410082635A CN 100544117 C CN100544117 C CN 100544117C
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- radiation assembly
- planar radiation
- free end
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
- H01Q5/364—Creating multiple current paths
- H01Q5/371—Branching current paths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
Abstract
A kind of plane antenna structure comprises: ground plane and three planar radiation assemblies with different resonant frequencies.One first planar radiation assembly is relative with ground plane, and has one first earth terminal, a feed side and an interlude portion therebetween, and the first earth terminal lead is connected with ground plane, and load point is used for input signal.One second planar radiation assembly is relative with ground plane, and have connecting end, first free end and second free end, connecting end is connected with interlude portion, and first free end extends to a side of the first planar radiation assembly, and with first earth terminal and feed side one first gap that is separated by.One the 3rd planar radiation assembly is relative with ground plane, and have one second earth terminal and one the 3rd free end, the second earth terminal lead is connected with ground plane, the 3rd free end is around the first planar radiation assembly and the second planar radiation assembly, and with its first planar radiation assembly and the second planar radiation assembly third space of being separated by.
Description
Technical field
The relevant a kind of radiating antenna of the present invention, the device for mobile communication of relevant especially a kind of in-building type multiband planar antenna structure.
Background technology
Antenna system is important assembly in the device for mobile communication, and plane inverted F shaped antenna (PlanarInverted-F Antenna PIFA) also is mobile communication equipment in modern age a kind of miniaturization built-in aerial commonly used.Along with the importance of small-sized built-in aerial in wireless communication apparatus and day sharp increase, the various novel PIFA that distinguish corresponding EGSM (880MHz-960MHz), DCS (1710MHz-1880MHz), PCS (1850MHz-1990MHz) are also one after the other delivered out.
1997 Christian eras, people such as Liu delivered a kind of dual-frequency P IFA structure (Dual-frequency planarinverted-F antenna, IEEE transaction on Antennas and Propagation, Vol.45, No.10, October 1997, pp.1451-1458).2002 Christian eras, people such as Hsiao delivered a kind of dual-frequency P IFA structure (A dual-band planar inverted-F patch antenna wigha branch-line slit with branch's cutting, Microwave and Optical Technology Letters, Vol.32, No.4, February 20 2002, pp.310-312); Thereafter, people such as Hsiao delivered another once more and are applicable to the employed GSM/DCS dual-frequency P of device for mobile communication IFA structure (Dual-frequency PIFA witha rolled radiating arm for GSM-DCS operation in 2003, in 2003 IEEE Antennas andPropagation Society International Symposium, pp.103-106).
In addition, 1997 Christian eras, Virga and Rahmat-Samii made a series of research (Low-profile enhanced-bandwidth PIFA antennas for wirelesscommunications packaging to the operation frequency range that how to increase PIFA, IEEE transaction on Microwave Theory andTechniques, Vol.45, No.10, October 1997, pp.1879-1888).
2002 Christian eras, people such as Chen delivered a kind of PIFA structure of using double resonance mode, its resonance point is at 900MHz and 1900MHz, wherein the part of 1900MHz has contained DCS and PCS frequency band, make this PIFA structure can carry out three frequency (GSM/DCS/PCS) operation (Compact PIFA for GSM-DCS-PCS triple-band mobilephone simultaneously, in 2002 IEEE Antennas and Propagation SocietyInternational Symposium, pp.528-531).By above-mentioned prior art as can be known, by a conductive plane is carried out different cuttings, can produce PIFA structure with different electromagnetic propertys, but design one and have three frequency PIFA structures of accurate resonance frequency point, need through design repeatedly toward contact, or should when putting, the logical trial assembly of moving of different machines also to carry out school accent repeatedly.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of built-in in three PIFA structures frequently of hand-held mobile communicating apparatus inside, by the profile and the relative position of suitable its radiation assembly of arrangement, to reach mobile communication three requirement of operation frequently.
The invention provides a kind of plane antenna structure, comprising: ground plane, the first planar radiation assembly, the second planar radiation assembly and the 3rd planar radiation assembly.The first planar radiation assembly is relative with ground plane, the first planar radiation assembly has one first resonance frequency, wherein the first planar radiation assembly has one first earth terminal, a feed side and an interlude portion therebetween, the first earth terminal lead is connected with ground plane, and load point is used for input signal.The second planar radiation assembly is relative with ground plane, the second planar radiation assembly comprises connecting end and two free ends, connecting end is connected with interlude portion, first free end extends to a side of the first planar radiation assembly, and with first earth terminal and feed side one first gap that is separated by, wherein feed side, interlude portion, connecting end and the formed radiation path of the first flat free end have one second resonance frequency, and second resonance frequency is low than first resonance frequency.The 3rd planar radiation assembly is relative with ground plane, the 3rd planar radiation assembly has one the 3rd resonance frequency, and the 3rd resonance frequency and first resonance frequency and second resonance frequency are all inequality, wherein the 3rd planar radiation assembly has one second earth terminal and one the 3rd free end, second earth terminal is connected with ground plane, the 3rd free end is around the first planar radiation assembly and the second planar radiation assembly, and with the first planar radiation assembly and the second planar radiation assembly third space of being separated by.
The invention provides a kind of device for mobile communication, comprise a housing, a substrate and above-mentioned plane antenna structure, its middle shell comprises a upper casing and a back of the body lid, the mobile phone substrate is arranged between upper casing and the back of the body lid, the one side that has the mobile phone substrate supports or opposes the back side of lid and one side to the front of upper casing, and then make above-mentioned first, second and third planar radiation assembly cooperate the ground plane that substrate provided, send electromagnetic wave.
In a preferred embodiment, the second planar radiation assembly has one second free end, and second free end is by the first free end branch, extend to connecting end, and with connecting end at a distance of one second gap.Again, form one between the first planar radiation assembly and this connecting end, first free end and seal the zone, second free end is extended to sealing the zone by the first free end branch.
In another preferred embodiment, the first planar radiation assembly is the ㄇ font, first earth terminal and feed side are the both sides that are positioned at interlude portion, form one between one of the first planar radiation assembly and connecting end, first free end and seal the zone, the second planar radiation assembly has one second free end, second free end is extended to sealing the zone by the first free end branch.Again, first earth terminal is between the feed side and second free end; Second free end extends to connecting end, and with connecting end at a distance of one second gap.
Wherein, the first planar radiation assembly of plane antenna structure of the present invention, the second planar radiation assembly and the 3rd planar radiation assembly are in the same plane, the 3rd resonance frequency is than the first resonance frequency height, the scope of first resonance frequency is between 1710MHz to 1880MHz, the scope of second resonance frequency is between 880MHz to 960MHz, and the scope of the 3rd resonance frequency is between 1850MHz to 1990MHz.
For above-mentioned purpose of the present invention, characteristics and advantage can be become apparent, below be elaborated especially exemplified by preferred embodiment and conjunction with figs..
Description of drawings
Fig. 1 is the stereogram of plane antenna structure of the present invention.
Fig. 2 is the schematic diagram of device for mobile communication of the present invention.
Embodiment
Fig. 1 is the stereogram of plane antenna structure of the present invention, and as shown in Figure 1, plane antenna structure 100 comprises: ground plane 10 and three planar radiation assemblies that are positioned at common plane, for reduced graph, Fig. 1 only shows the some of ground plane 10.
The first planar radiation assembly 20 is relative with ground plane 10, and both are at a distance of a both set a distance.The first planar radiation assembly 20 is the ㄇ font, has first resonance frequency.Wherein, the first planar radiation assembly 20 has first earth terminal 22, feed side 24 and an interlude portion 21 therebetween, first earth terminal 22 and feed side 24 lay respectively at the both sides of interlude portion 21, and first earth terminal 22 is connected with the earth point g1 of ground plane 10 by the first earth terminal lead 23, feed side 24 is connected with feed side lead 25, feed side lead 25 passes the through hole a1 on the ground plane 10, and is connected to load point f, is used for input signal.
The second planar radiation assembly 30 is relative with ground plane 10, both are at a distance of a both set a distance, the second planar radiation assembly 30 comprises connecting end 32 and two free ends 34,36, wherein the feed side 24 of the first planar radiation assembly 20, interlude portion 21, connecting end 32 and the first flat free end 36 formed radiation paths have one second resonance frequency, and second resonance frequency is low than first resonance frequency.
Secondly, the connecting end 32 of the second planar radiation assembly 30 is connected with the interlude portion 21 of the first planar radiation assembly 20, first free end 34 extends to a side of the first planar radiation assembly 20, with first earth terminal 22 and feed side 24 one first gap d 1 of being separated by, and make and form one between the connecting end 32, first free end 34 of first earth terminal 22 of the first planar radiation assembly 20 and the second planar radiation assembly 30 and seal zone 50.Second free end 36 of the second planar radiation assembly 30 is by first free end, 34 branches, extend to sealing zone 50, and be parallel to each other with first earth terminal 22 and feed side 24, make first earth terminal 22 between the feed side 24 and second free end 26, and the front end of second free end 26 and connecting end 32 are at a distance of one second gap d 2.
The 3rd planar radiation assembly 40 is relative with ground plane 10, and both are at a distance of a both set a distance, and the 3rd planar radiation assembly 40 has one the 3rd resonance frequency, and the 3rd resonance frequency and first resonance frequency and second resonance frequency are all inequality.Wherein the 3rd planar radiation assembly 30 has one second earth terminal 42 and one the 3rd free end 44, second earth terminal 42 is connected with the earth point g2 of ground plane 10 by the second earth terminal lead 43, the 3rd free end ring 44 is around in around the first planar radiation assembly 20 and the second planar radiation assembly 30, and with the first planar radiation assembly 20 and the second planar radiation assembly 30 third space d3 of being separated by.
In the plane antenna structure 100 from the above mentioned, it is a resonon that the 3rd planar radiation assembly 40 constitutes a sneak path (Parasitic Path), the 3rd resonance frequency of above-mentioned plane antenna structure 100 can strengthen the frequency range of the first planar radiation assembly 20, so can be low for height or than first resonance frequency than first resonance frequency.
In a preferred embodiment, the length of each planar radiation assembly be about corresponding resonance frequency point wavelength 1/4th, the scope of first resonance frequency is between 1710MHz to 1880MHz (DCS 1800), the scope of second resonance frequency is between 880MHz to 960MHz (EGSM 800), the scope of the 3rd resonance frequency is between 1850MHz to 1990MHz (PCS 1900), therefore, in the mobile communcations system of this plane antenna structure applicable to traditional multifrequency.
Fig. 2 is the schematic diagram of device for mobile communication of the present invention, for convenience of description for the purpose of, below be use-case with a mobile phone 200.
As shown in Figure 2, mobile phone 200 comprises housing 110, substrate 120 and above-mentioned plane antenna structure 100.Its middle shell 110 comprises that a upper casing 111 and a back of the body cover 112,120 of substrates are arranged at upper casing 111 and the back of the body covers between 112, the one side that has substrate 120 supports or opposes and cover 112 the back side 124 and simultaneously to the front 122 of upper casing 111, the ground plane 10 that the present invention uses mobile phone substrate 120 to be provided, and make first, second and third planar radiation assembly 20 of above-mentioned plane antenna structure 100
-40, send the electromagnetic wave of different frequency bands.
The first planar radiation assembly 20 and the second planar radiation assembly 30 form the reversed F shaped structure that the two-phase antiperplanar is closed, first earth terminal 22 of the first planar radiation assembly 20 is the 4th gap d 4 with the spacing of feed side 24, second free end 36 of the second planar radiation assembly 30 and the spacing of first earth terminal 22 are that the spacing of the centre portion of 34 of the 5th gap d 5, the second free ends 36 and the second planar radiation assembly, 30 connecting ends 32 and first free ends is the 6th gap d 6.Specifically, when plane antenna structure 100 of the present invention is applied to the mobile phone of different machines, substrate because of various mobile radio, the material of ground plane and housing, shape can have nothing in common with each other, therefore the resonance frequency and the gain profiles of plane antenna structure 100 can produce skew, so can be by adjusting the 4th gap d 4, the width of 24 conductive regions of first earth terminal 22 and feed side, to change the first resonance frequency point and frequency range, also or by adjusting second free end 36 sealing the position (change the width of five gap d 5 and six gap d 6) of zone in 50, the width of conductive region is to change the second resonance frequency point and frequency range.
Secondly, the 3rd planar radiation assembly 40 also is a resonon (Radiator) in above-mentioned plane antenna structure 100, can be by changing the 3rd planar radiation assembly 40 or the width of third space d3, adjust the frequency range of first resonance frequency, make plane antenna structure 100 can contain three frequency bands such as E-GSM, GSM1800, GSM1900 simultaneously, make device for mobile communication reach three and keep pouring in defeated function.
In addition, plane antenna structure of the present invention 100 is as long as under the constant situation of profile, suitably change size, width and the spacing of each radiation assembly, also applicable to other frequency band, be applied to other communication device, as: IEEE 802.11.b and 802.11.a etc. need to operate in the radio communication device of double frequency-band.
Though the present invention discloses as above with preferred embodiment; yet it is not in order to limit the present invention; any ripe be present technique personnel without departing from the spirit and scope of the present invention; when the change that can make all equivalences or replacement, so protection scope of the present invention is when looking accompanying being as the criterion that the application's claim scope defined.
Claims (22)
1. plane antenna structure comprises:
One ground plane;
One first planar radiation assembly, relative with this ground plane, and this first planar radiation assembly has one first resonance frequency, wherein this first planar radiation assembly has one first earth terminal, a feed side and interlude portion one of therebetween, this first earth terminal is connected with this ground plane, and this feed side is used for input signal;
One second planar radiation assembly, relative with this ground plane, this second planar radiation assembly has a connecting end, one first free end and one second free end, this connecting end is connected with this interlude portion, this first free end extends to a side of this first planar radiation assembly, and with this first earth terminal and this feed side one first gap that is separated by, this second free end is by this first free end branch, extend to this connecting end, and with this connecting end at a distance of one second gap, wherein this feed side, this interlude portion, this connecting end and the formed radiation path of this first free end have one second resonance frequency; And
One the 3rd planar radiation assembly, relative with this ground plane, the 3rd planar radiation assembly has one the 3rd resonance frequency, and the 3rd resonance frequency and this first resonance frequency and this second resonance frequency are all inequality, wherein the 3rd planar radiation assembly has one second earth terminal and one the 3rd free end, this second earth terminal is connected with this ground plane, the 3rd free end is around this first planar radiation assembly and this second planar radiation assembly, and with this first planar radiation assembly and this second planar radiation assembly third space of being separated by.
2. plane antenna structure as claimed in claim 1 is characterized in that forming between this first planar radiation assembly and this connecting end, this first free end one and seals the zone, and this second free end is sealed the zone to this and extended by this first free end branch.
3. plane antenna structure as claimed in claim 1 is characterized in that this first planar radiation assembly is the ㄇ font, and this first earth terminal and this feed side are positioned at the both sides of this interlude portion.
4. plane antenna structure as claimed in claim 3 is characterized in that forming one between one and this connecting end, this first free end of this first planar radiation assembly seals the zone, and this second free end is sealed the zone to this and extended by this first free end branch.
5. plane antenna structure as claimed in claim 4 is characterized in that this first earth terminal is between this feed side and this second free end.
6. plane antenna structure as claimed in claim 1 is characterized in that this first planar radiation assembly, this second planar radiation assembly and the 3rd planar radiation assembly are in the same plane.
7. plane antenna structure as claimed in claim 1 it is characterized in that the 3rd resonance frequency than this first resonance frequency height, and this second resonance frequency is low than this first resonance frequency.
8. plane antenna structure as claimed in claim 1, the scope that it is characterized in that this first resonance frequency is between 1710MHz to 1880MHz.
9. plane antenna structure as claimed in claim 1, the scope that it is characterized in that this second resonance frequency is between 880MHZ to 960MHz.
10. plane antenna structure as claimed in claim 1, the scope that it is characterized in that the 3rd resonance frequency is between 1850MHZ to 1990MHz.
11. a plane antenna structure comprises:
One ground plane;
One first planar radiation assembly, relative with this ground plane, and this first planar radiation assembly has one first resonance frequency, wherein this first planar radiation assembly has one first earth terminal, a feed side and an interlude portion therebetween, this first earth terminal is connected with this ground plane, and this feed side is used for input signal; And
One second planar radiation assembly, relative with this ground plane, this second planar radiation assembly has a connecting end, one first free end and one second free end, this connecting end is connected with this interlude portion, this first free end extends to a side of this first planar radiation assembly, and with this first earth terminal and this feed side one first gap that is separated by, this second free end is by this first free end branch, extend to this connecting end, and with this connecting end at a distance of one second gap, wherein this feed side, this interlude portion, this connecting end and the formed radiation path of this first free end have one second resonance frequency.
12. a device for mobile communication comprises:
One housing comprises a upper casing and a back of the body lid;
One antenna substrate is arranged between this upper casing and this back of the body lid, and this antenna substrate has the back side and the front towards this upper casing towards this back of the body lid, and wherein this antenna substrate has a ground plane;
One plane antenna structure comprises:
One first planar radiation assembly, relative with this ground plane, and this first planar radiation assembly has one first resonance frequency, wherein this first planar radiation assembly has one first earth terminal, a feed side and an interlude portion therebetween, this first earth terminal is connected with this ground plane, and this feed side is used for input signal;
One second planar radiation assembly, relative with this ground plane, this second planar radiation assembly has a connecting end, one first free end and one second free end, this connecting end is connected with this interlude portion, this first free end extends to a side of this first planar radiation assembly, and with this first earth terminal and this feed side one first gap that is separated by, this second free end is by this first free end branch, extend to this connecting end, and with this connecting end at a distance of one second gap, wherein this feed side, this interlude portion, this connecting end and the formed radiation path of this first free end have one second resonance frequency; And
One the 3rd planar radiation assembly, relative with this ground plane, the 3rd planar radiation assembly has one the 3rd resonance frequency, and the 3rd resonance frequency and this first resonance frequency and this second resonance frequency are all inequality, wherein the 3rd planar radiation assembly has one second earth terminal and one the 3rd free end, this second earth terminal is connected with this ground plane, the 3rd free end is around this first planar radiation assembly and this second planar radiation assembly, and with this first planar radiation assembly and this second planar radiation assembly third space of being separated by.
13. device for mobile communication as claimed in claim 12 is characterized in that forming between this first planar radiation assembly and this connecting end, this first free end one and seals the zone, this second free end is sealed the zone to this and is extended by this first free end branch
14. device for mobile communication as claimed in claim 12 is characterized in that this first planar radiation assembly is the ㄇ font, this first earth terminal and this feed side are the both sides that are positioned at this interlude portion.
15. device for mobile communication as claimed in claim 14, it is characterized in that forming one between one and this connecting end, this first free end of this first planar radiation assembly seals the zone, this second free end is sealed the zone to this and is extended by this first free end branch.
16 device for mobile communication as claimed in claim 15 is characterized in that this first earth terminal is between this feed side and this second free end.
17. device for mobile communication as claimed in claim 12 is characterized in that this first planar radiation assembly, this second planar radiation assembly and the 3rd planar radiation assembly are in the same plane.
18. device for mobile communication as claimed in claim 12 is characterized in that the 3rd resonance frequency is than this first resonance frequency height.
19. device for mobile communication as claimed in claim 12, the scope that it is characterized in that this first resonance frequency is between 1710MHz to 1880MHz
20. device for mobile communication as claimed in claim 12, the scope that it is characterized in that this second resonance frequency is between 880MHz to 960MHz.
21. device for mobile communication as claimed in claim 12, the scope that it is characterized in that the 3rd resonance frequency is between 1850MHz to 1990MHz.
22. a device for mobile communication comprises:
One housing comprises a upper casing and a back of the body lid;
One antenna substrate is arranged between this upper casing and this back of the body lid, and this antenna base has one towards the back side and a front towards this upper casing that this back of the body covers, and wherein this antenna substrate has a ground plane and is positioned on this front;
One plane antenna structure comprises:
One first planar radiation assembly, relative with this ground plane, and this first planar radiation assembly has one first resonance frequency, wherein this first planar radiation assembly has one first earth terminal, a feed side and an interlude portion therebetween, this first earth terminal is connected with this ground plane, and this feed side is used for input signal; And
One second planar radiation assembly, relative with this ground plane, this second planar radiation assembly has a connecting end, one first free end and one second free end, this connecting end is connected with this interlude portion, this first free end extends to a side of this first planar radiation assembly, and with this first earth terminal and this feed side one first gap that is separated by, this second free end is by this first free end branch, extend to this connecting end, and with this connecting end at a distance of one second gap, wherein this feed side, this interlude portion, this connecting end and the formed radiation path of this first free end have one second resonance frequency.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100826357A CN100544117C (en) | 2004-09-22 | 2004-09-22 | Device for mobile communication and plane antenna structure thereof |
| EP05019902.5A EP1641077B1 (en) | 2004-09-22 | 2005-09-13 | Mobile telecommunication device and planar antenna therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100826357A CN100544117C (en) | 2004-09-22 | 2004-09-22 | Device for mobile communication and plane antenna structure thereof |
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| Publication Number | Publication Date |
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| CN1753248A CN1753248A (en) | 2006-03-29 |
| CN100544117C true CN100544117C (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100826357A Active CN100544117C (en) | 2004-09-22 | 2004-09-22 | Device for mobile communication and plane antenna structure thereof |
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| EP (1) | EP1641077B1 (en) |
| CN (1) | CN100544117C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103703611A (en) * | 2011-05-23 | 2014-04-02 | 诺基亚公司 | Apparatus and methods for wireless communication |
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| US7298339B1 (en) * | 2006-06-27 | 2007-11-20 | Nokia Corporation | Multiband multimode compact antenna system |
| CN101335375B (en) * | 2007-06-26 | 2013-01-16 | 启碁科技股份有限公司 | Three-frequency antenna and electronic apparatus applying the same |
| CN101442150B (en) * | 2007-11-23 | 2013-06-26 | 宏达国际电子股份有限公司 | Antenna suitable for thin type communication device |
| EP2081253A1 (en) * | 2008-01-18 | 2009-07-22 | Laird Technologies AB | Antenna device and portable radio communication device comprising such an antenna device |
| CN101651256B (en) * | 2008-08-13 | 2013-08-07 | 深圳富泰宏精密工业有限公司 | Tri-band antenna |
| CN102800924A (en) * | 2011-05-27 | 2012-11-28 | 神讯电脑(昆山)有限公司 | Triple-band antenna |
| CN102810722A (en) * | 2011-06-03 | 2012-12-05 | 启碁科技股份有限公司 | Broadband antenna |
| TWI542073B (en) * | 2011-08-04 | 2016-07-11 | 智易科技股份有限公司 | Multi-band inverted-f antenna |
| EP3526856B1 (en) | 2016-10-12 | 2021-07-21 | Carrier Corporation | Through-hole inverted sheet metal antenna |
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|---|---|---|---|---|
| US6343208B1 (en) * | 1998-12-16 | 2002-01-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Printed multi-band patch antenna |
| KR20030085000A (en) * | 2001-03-22 | 2003-11-01 | 텔레폰악티에볼라겟엘엠에릭슨(펍) | Mobile communication device |
| EP1378021A1 (en) * | 2001-03-23 | 2004-01-07 | Telefonaktiebolaget LM Ericsson (publ) | A built-in, multi band, multi antenna system |
| EP1263079B1 (en) * | 2001-05-25 | 2004-07-14 | Nokia Corporation | Mobile phone antenna |
| US6476769B1 (en) * | 2001-09-19 | 2002-11-05 | Nokia Corporation | Internal multi-band antenna |
| FI120607B (en) * | 2003-10-31 | 2009-12-15 | Pulse Finland Oy | The multi-band planar antenna |
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2004
- 2004-09-22 CN CNB2004100826357A patent/CN100544117C/en active Active
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2005
- 2005-09-13 EP EP05019902.5A patent/EP1641077B1/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103703611A (en) * | 2011-05-23 | 2014-04-02 | 诺基亚公司 | Apparatus and methods for wireless communication |
| US9673525B2 (en) | 2011-05-23 | 2017-06-06 | Nokia Technologies Oy | Apparatus and methods for wireless communication |
| CN103703611B (en) * | 2011-05-23 | 2018-01-26 | 诺基亚技术有限公司 | Device for wireless communications and method |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1641077B1 (en) | 2015-08-19 |
| CN1753248A (en) | 2006-03-29 |
| EP1641077A1 (en) | 2006-03-29 |
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