EP0986130A2 - Antenna for wireless communication terminal device - Google Patents
Antenna for wireless communication terminal device Download PDFInfo
- Publication number
- EP0986130A2 EP0986130A2 EP99117720A EP99117720A EP0986130A2 EP 0986130 A2 EP0986130 A2 EP 0986130A2 EP 99117720 A EP99117720 A EP 99117720A EP 99117720 A EP99117720 A EP 99117720A EP 0986130 A2 EP0986130 A2 EP 0986130A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- circuit board
- antenna according
- printed circuit
- individual
- 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
- 238000004891 communication Methods 0.000 title claims description 6
- 239000004020 conductor Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
-
- 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
- H01Q5/385—Two or more parasitic elements
Definitions
- the present invention relates to an antenna for radio-operated Communication terminals, in which the actual Antenna structure of one on a printed circuit board printed circuit board having any shape becomes.
- antennas are required, which are capable of several Cover frequency bands at the same time.
- the Market for ever smaller and cheaper mobile devices This is why antennas are required that take up little space have, for a function in several frequency bands or a broadband frequency range and can be produced cheaply and reproducibly.
- the object of the present invention is to provide an antenna Specify the type mentioned, which takes up little space has, can be designed for several frequency bands and is cheap to produce.
- This task is for the antenna mentioned in the introduction solved that a multi-layer circuit board is provided, wherein a different one on each layer of the multilayer printed circuit board Antenna structure is applied.
- the antenna according to the invention is easy and inexpensive to manufacture, requires little space and is easy for a function in several frequency bands or in one broadband frequency range can be designed.
- the individual antenna structures arise from different trained conductor tracks in the different locations of the multilayer printed circuit board.
- the antenna structures the forms shown by way of example in FIGS. 1 to 8, but also take other forms.
- the track has the shape of a meander, a serpentine line or the shape of a rod.
- the conductor tracks can branch as shown in FIGS. 5 and 6 and at different points B to N1, which in one Level, end. It is also possible that in a Lay several conductors forming an antenna next to each other are arranged.
- FIGS of the present invention A four-layer antenna according to FIGS of the present invention.
- Figures 9A to 9D are the individual antenna structures in the four layers shown.
- Figure 10 shows a schematic cross section through this four-layer antenna. It can be seen that two layers within the multi-layer circuit board and two Layers are outside the multi-layer circuit board.
- This one multi-band antenna presented consists of a or several multilayer printed circuit boards.
- the material from one of these PCBs is freely selectable, but should be suitable for high frequencies. It can in particular Case also be flexible flexible material. In every situation can be structured a conductor track that a radiator or any other electrical element.
- the antenna consists of more than two layers, at least from three layers. At least one of these layers lies within of the material.
- the locations are preferred, but not mandatory, parallel to each other. You can use any position to each other.
- the layers can be at any Position of the circuit board and any also have different thicknesses. So there are also layers possible on the front and on the long sides. Farther inclined positions are also possible.
- This dining point is about a contact element with the RF module of the communication terminal connected.
- All other radiators are preferably excited by coupling. There can also be two or more radiators a location.
- Such an example with a via is shown in 11A to 11D and 12 shown.
- This is what it is about is a four-layer multi-band antenna whose antenna structures that shown in Figures 9A to 9D and Figure 10 Embodiment correspond.
- In contrast to that previously described embodiment are in this embodiment those drawn in Figure 11A and Figure 11C Layers by means of a plated-through hole, as in FIG recognize is connected.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Details Of Aerials (AREA)
- Transceivers (AREA)
- Waveguide Aerials (AREA)
- Support Of Aerials (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Antenne für funkbetriebene Kommunikationsendgeräte, bei welche die eigentliche Antennenstruktur von einer auf einer Leiterplatte befindlichen eine beliebige Form aufweisende Leiterplatte gebildet wird.The present invention relates to an antenna for radio-operated Communication terminals, in which the actual Antenna structure of one on a printed circuit board printed circuit board having any shape becomes.
In Hinsicht auf die Entwicklung in der Mobilfunktechnologie werden Antennen benötigt, welche in der Lage sind mehrere Frequenzbänder gleichzeitig abzudecken. Außerdem verlangt der Markt nach immer kleineren und billigeren Mobilfunkgeräten. Deswegen sind Antennen gefordert, die einen geringen Platzbedarf haben, problemlos für eine Funktion in mehreren Frequenzbändern oder einem breitbandigen Frequenzbereich auslegbar und billig und reproduzierbar herstellbar sind.With regard to the development in cellular technology antennas are required, which are capable of several Cover frequency bands at the same time. In addition, the Market for ever smaller and cheaper mobile devices. This is why antennas are required that take up little space have, for a function in several frequency bands or a broadband frequency range and can be produced cheaply and reproducibly.
Die bisherigen Konzepte, wie z. B. die Helix-Drahtantennen oder die Mikrostreifenleitungsantennen haben alle den Nachteil, daß sie entweder einen zu hohen Platzbedarf haben oder die Abstimmbarkeit bei einer Multiband-Funktion nicht ohne weiteres möglich ist.The previous concepts, such as B. the helix wire antennas or the microstrip antennas all have the disadvantage that they either have too much space or the tunability with a multiband function is not without further is possible.
Aufgabe der vorliegenden Erfindung ist es, eine Antenne der eingangs genannten Art anzugeben, die einen geringen Platzbedarf aufweist, für mehrere Frequenzbänder auslegbar ist und billig herstellbar ist.The object of the present invention is to provide an antenna Specify the type mentioned, which takes up little space has, can be designed for several frequency bands and is cheap to produce.
Diese Aufgabe wird für die eingangs genannte Antenne dadurch gelöst, daß eine mehrlagige Leiterplatte vorgesehen ist, wobei auf jeder Lage der mehrlagigen Leiterplatte eine unterschiedliche Antennenstruktur appliziert ist.This task is for the antenna mentioned in the introduction solved that a multi-layer circuit board is provided, wherein a different one on each layer of the multilayer printed circuit board Antenna structure is applied.
Die erfindungsgemäße Antenne ist leicht und billig herstellbar, erfordert einen geringen Platzbedarf und ist problemlos für eine Funktion in mehreren Frequenzbändern oder in einem breitbandigen Frequenzbereich auslegbar.The antenna according to the invention is easy and inexpensive to manufacture, requires little space and is easy for a function in several frequency bands or in one broadband frequency range can be designed.
Weitere zweckmäßige Ausgestaltungen der erfindungsgemäßen Antenne ergeben sich aus den Unteransprüchen sowie aus einer nachfolgenden Beschreibung von Ausführungsbeispielen anhand der Zeichnung.Further expedient configurations of the antenna according to the invention result from the subclaims and from a The following description of exemplary embodiments based on the drawing.
In der Zeichnung zeigen
Die einzelnen Antennenstrukturen entstehen durch unterschiedlich ausgebildete Leiterbahnen in den verschiedenen Lagen der mehrlagigen Leiterplatte. Dabei können die Antennenstrukturen, die in den Figuren 1 bis 8 beispielhaft gezeigte Formen, aber auch darüber hinausgehende Formen, annehmen. Vorzugsweise hat die Leiterbahn die Form eines Mäanders, einer Schlangenlinie oder die Form eines Stabes. Die Leiterbahnen können sich auch wie in den Figuren 5 und 6 gezeigt ist, verzweigen und an unterschiedlichen Punkten B bis N1, welche in einer Ebene liegen, enden. Weiterhin ist es möglich, daß in einer Lage jeweils mehrere eine Antenne bildende Leiterbahn nebeneinander angeordnet sind.The individual antenna structures arise from different trained conductor tracks in the different locations of the multilayer printed circuit board. The antenna structures, the forms shown by way of example in FIGS. 1 to 8, but also take other forms. Preferably the track has the shape of a meander, a serpentine line or the shape of a rod. The conductor tracks can branch as shown in FIGS. 5 and 6 and at different points B to N1, which in one Level, end. It is also possible that in a Lay several conductors forming an antenna next to each other are arranged.
In den Figuren 9A bis 10 ist eine vierlagige Antenne gemäß der vorliegenden Erfindung dargestellt. In den Figuren 9A bis 9D sind die einzelnen Antennenstrukturen in den vier Lagen dargestellt. Figur 10 zeigt einen schematischen Querschnitt durch diese vierlagige Antenne. Es ist zu erkennen, daß sich zwei Lagen innerhalb der mehrlagigen Leiterplatte und zwei Lagen außerhalb der mehrlagigen Leiterplatte befinden.A four-layer antenna according to FIGS of the present invention. In Figures 9A to 9D are the individual antenna structures in the four layers shown. Figure 10 shows a schematic cross section through this four-layer antenna. It can be seen that two layers within the multi-layer circuit board and two Layers are outside the multi-layer circuit board.
Es sollen an dieser Stelle noch einige allgemeine Bemerkungen zu der erfindungsgemäßen Antenne gemacht werden. Die hier vorgestellte mehrlagige Multiband-Antenne besteht aus einer oder mehreren mehrlagigen Leiterplatten. Das Material, aus dem eine dieser Leiterplatten besteht, ist frei wählbar, sollte aber hochfrequenztauglich sein. Es kann im besonderen Fall auch biegsames flexibles Material sein. Auf jeder Lage kann eine Leiterbahn strukturiert sein, die einen Strahler oder ein anderes beliebiges elektrisches Element darstellt.At this point I would like to make a few general comments be made to the antenna according to the invention. This one multi-band antenna presented consists of a or several multilayer printed circuit boards. The material from one of these PCBs is freely selectable, but should be suitable for high frequencies. It can in particular Case also be flexible flexible material. In every situation can be structured a conductor track that a radiator or any other electrical element.
Die Antenne besteht aus mehr als zwei Lagen, also mindestens aus drei Lagen. Von diesen Lagen liegt mindestens eine innerhalb des Materials. Die Lagen sind vorzugsweise, aber nicht zwingend, parallel zueinander. Sie können jede beliebige Position zueinander einnehmen. Die Lagen können an jeder beliebigen Position der Leiterplatte liegen und jede beliebige auch unterschiedliche Dicke besitzen. Es sind also auch Lagen auf den Stirnseiten und auf den Längsseiten möglich. Weiterhin sind auch schiefe Lagen möglich.The antenna consists of more than two layers, at least from three layers. At least one of these layers lies within of the material. The locations are preferred, but not mandatory, parallel to each other. You can use any position to each other. The layers can be at any Position of the circuit board and any also have different thicknesses. So there are also layers possible on the front and on the long sides. Farther inclined positions are also possible.
Vorzugsweise besitzt nur eine Leiterbahn (ein Strahler) auf einer Lage einen Speisepunkt. Dieser Speisepunkt wird über ein Kontaktelement mit der HF-Baugruppe des Kommunikationsendgerätes verbundenn.Preferably has only one conductor track (a radiator) a location a feeding point. This dining point is about a contact element with the RF module of the communication terminal connected.
Alle anderen Strahler werden vorzugsweise durch Kopplung angeregt. Es können sich auch zwei oder mehrere Strahler auf einer Lage befinden.All other radiators are preferably excited by coupling. There can also be two or more radiators a location.
Es können sich aber auch eine oder mehrere direkte elektrische Verbindungen zwischen einem oder mehreren Strahlern auf verschiedenen Lagen mittels Durchkontaktierung oder Kontaktierung über eine Seitenfläche an jedem beliebigen Punkt hergestellt werden. But there can also be one or more direct electrical ones Connections between one or more radiators different layers by means of through-plating or contacting made over a side surface at any point become.
Ein derartiges Beispiel mit einer Durchkontaktierung ist in den Figuren 11A bis 11D und 12 gezeigt. Hierbei handelt es sich um eine vierlagige Multibandantenne, deren Antennenstrukturen dem in den Figuren 9A bis 9D und Figur 10 gezeigtem Ausführungsbeispiel entsprechen. Zum Unterschied zu dem vorher beschriebenen Ausführungsbeispiel sind bei diesem Ausführungsbeispiel die in Figur 11A und Figur 11C gezeichneten Lagen mittels einer Durchkontaktierung, wie in Figur 12 zu erkennen ist, miteinander verbunden.Such an example with a via is shown in 11A to 11D and 12 shown. This is what it is about is a four-layer multi-band antenna whose antenna structures that shown in Figures 9A to 9D and Figure 10 Embodiment correspond. In contrast to that previously described embodiment are in this embodiment those drawn in Figure 11A and Figure 11C Layers by means of a plated-through hole, as in FIG recognize is connected.
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19841011 | 1998-09-08 | ||
DE19841011 | 1998-09-08 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0986130A2 true EP0986130A2 (en) | 2000-03-15 |
EP0986130A3 EP0986130A3 (en) | 2000-12-13 |
EP0986130B1 EP0986130B1 (en) | 2004-08-04 |
Family
ID=7880238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99117720A Expired - Lifetime EP0986130B1 (en) | 1998-09-08 | 1999-09-08 | Antenna for wireless communication terminal device |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0986130B1 (en) |
CN (1) | CN1249546A (en) |
AT (1) | ATE272898T1 (en) |
DE (1) | DE59910116D1 (en) |
DK (1) | DK0986130T3 (en) |
ES (1) | ES2226252T3 (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1237224A1 (en) * | 2001-02-14 | 2002-09-04 | Siemens Aktiengesellschaft | Antenna and method for fabricating same |
EP1239539A2 (en) * | 2001-03-02 | 2002-09-11 | Nokia Corporation | Antenna |
WO2003026064A1 (en) * | 2001-09-13 | 2003-03-27 | Koninklijke Philips Electronics N.V. | Wireless terminal |
WO2003075398A1 (en) * | 2002-03-01 | 2003-09-12 | Ryhaenen Heikki | Multifrequency antenna |
WO2004057701A1 (en) * | 2002-12-22 | 2004-07-08 | Fractus S.A. | Multi-band monopole antenna for a mobile communications device |
WO2004082072A1 (en) * | 2003-03-13 | 2004-09-23 | Kathrein-Werke Kg | Multirange antenna with terminal capacitance |
EP1475859A1 (en) * | 2003-05-07 | 2004-11-10 | Agere Systems Inc. | Dual-band antenna for a wireless local area network device |
EP1250723B1 (en) * | 1999-12-20 | 2005-03-30 | Siemens Aktiengesellschaft | Antenna for a communications terminal |
US6963309B2 (en) | 2001-01-24 | 2005-11-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-band antenna for use in a portable telecommunication apparatus |
EP1609209A2 (en) * | 2003-02-14 | 2005-12-28 | Centurion Wireless Technologies, Inc. | Broadband combination meanderline and patch antenna |
EP1764862A1 (en) * | 2003-05-07 | 2007-03-21 | Agere Systems, Inc. | Dual-band antenna for a wireless local area network device |
US7423592B2 (en) | 2004-01-30 | 2008-09-09 | Fractus, S.A. | Multi-band monopole antennas for mobile communications devices |
EP2008340A1 (en) * | 2006-03-31 | 2008-12-31 | E.M.W. Antenna Co., Ltd | Antenna with increased electrical length and wireless communication device including the same |
WO2010029304A1 (en) * | 2008-09-12 | 2010-03-18 | The University Of Birmingham | Multifunctional antenna |
US7777689B2 (en) | 2006-12-06 | 2010-08-17 | Agere Systems Inc. | USB device, an attached protective cover therefore including an antenna and a method of wirelessly transmitting data |
US7940218B2 (en) | 2001-03-02 | 2011-05-10 | Nokia Corporation | Multilayer PCB antenna |
US8738103B2 (en) | 2006-07-18 | 2014-05-27 | Fractus, S.A. | Multiple-body-configuration multimedia and smartphone multifunction wireless devices |
US9755314B2 (en) | 2001-10-16 | 2017-09-05 | Fractus S.A. | Loaded antenna |
US9761934B2 (en) | 1999-09-20 | 2017-09-12 | Fractus, S.A. | Multilevel antennae |
US9905940B2 (en) | 1999-10-26 | 2018-02-27 | Fractus, S.A. | Interlaced multiband antenna arrays |
US10355346B2 (en) | 2000-01-19 | 2019-07-16 | Fractus, S.A. | Space-filling miniature antennas |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1313166B1 (en) | 2000-04-19 | 2007-11-14 | Advanced Automotive Antennas, S.L. | Multilevel advanced antenna for motor vehicles |
EP1436858A1 (en) | 2001-10-16 | 2004-07-14 | Fractus, S.A. | Multiband antenna |
US6870505B2 (en) * | 2002-07-01 | 2005-03-22 | Integral Technologies, Inc. | Multi-segmented planar antenna with built-in ground plane |
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US4401988A (en) * | 1981-08-28 | 1983-08-30 | The United States Of America As Represented By The Secretary Of The Navy | Coupled multilayer microstrip antenna |
US5075691A (en) * | 1989-07-24 | 1991-12-24 | Motorola, Inc. | Multi-resonant laminar antenna |
EP0746054A1 (en) * | 1995-05-31 | 1996-12-04 | Murata Manufacturing Co., Ltd. | Antenna device and communication apparatus incorporating the same |
WO1996038882A1 (en) * | 1995-06-02 | 1996-12-05 | Ericsson Inc. | Multiple band printed monopole antenna |
US5764190A (en) * | 1996-07-15 | 1998-06-09 | The Hong Kong University Of Science & Technology | Capacitively loaded PIFA |
WO1998039817A1 (en) * | 1997-03-06 | 1998-09-11 | Motorola Inc. | Directional center-fed half wave dipole antenna |
-
1999
- 1999-09-08 DE DE59910116T patent/DE59910116D1/en not_active Expired - Fee Related
- 1999-09-08 EP EP99117720A patent/EP0986130B1/en not_active Expired - Lifetime
- 1999-09-08 CN CN99118587A patent/CN1249546A/en active Pending
- 1999-09-08 AT AT99117720T patent/ATE272898T1/en active
- 1999-09-08 ES ES99117720T patent/ES2226252T3/en not_active Expired - Lifetime
- 1999-09-08 DK DK99117720T patent/DK0986130T3/en active
Patent Citations (6)
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US4401988A (en) * | 1981-08-28 | 1983-08-30 | The United States Of America As Represented By The Secretary Of The Navy | Coupled multilayer microstrip antenna |
US5075691A (en) * | 1989-07-24 | 1991-12-24 | Motorola, Inc. | Multi-resonant laminar antenna |
EP0746054A1 (en) * | 1995-05-31 | 1996-12-04 | Murata Manufacturing Co., Ltd. | Antenna device and communication apparatus incorporating the same |
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WO1998039817A1 (en) * | 1997-03-06 | 1998-09-11 | Motorola Inc. | Directional center-fed half wave dipole antenna |
Cited By (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10056682B2 (en) | 1999-09-20 | 2018-08-21 | Fractus, S.A. | Multilevel antennae |
US9761934B2 (en) | 1999-09-20 | 2017-09-12 | Fractus, S.A. | Multilevel antennae |
US9905940B2 (en) | 1999-10-26 | 2018-02-27 | Fractus, S.A. | Interlaced multiband antenna arrays |
EP1250723B1 (en) * | 1999-12-20 | 2005-03-30 | Siemens Aktiengesellschaft | Antenna for a communications terminal |
US10355346B2 (en) | 2000-01-19 | 2019-07-16 | Fractus, S.A. | Space-filling miniature antennas |
US6963309B2 (en) | 2001-01-24 | 2005-11-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-band antenna for use in a portable telecommunication apparatus |
DE10108859A1 (en) * | 2001-02-14 | 2003-05-22 | Siemens Ag | Antenna and method for its manufacture |
EP1237224A1 (en) * | 2001-02-14 | 2002-09-04 | Siemens Aktiengesellschaft | Antenna and method for fabricating same |
EP1239539A3 (en) * | 2001-03-02 | 2003-11-05 | Nokia Corporation | Antenna |
EP1239539A2 (en) * | 2001-03-02 | 2002-09-11 | Nokia Corporation | Antenna |
US7940218B2 (en) | 2001-03-02 | 2011-05-10 | Nokia Corporation | Multilayer PCB antenna |
US7439919B2 (en) | 2001-03-02 | 2008-10-21 | Nokia Corporation | Multilayer PCB antenna |
WO2003026064A1 (en) * | 2001-09-13 | 2003-03-27 | Koninklijke Philips Electronics N.V. | Wireless terminal |
US6909911B2 (en) | 2001-09-13 | 2005-06-21 | Koninklijke Philips Electronics N.V. | Wireless terminal |
US9755314B2 (en) | 2001-10-16 | 2017-09-05 | Fractus S.A. | Loaded antenna |
WO2003075398A1 (en) * | 2002-03-01 | 2003-09-12 | Ryhaenen Heikki | Multifrequency antenna |
US7411556B2 (en) | 2002-12-22 | 2008-08-12 | Fractus, S.A. | Multi-band monopole antenna for a mobile communications device |
WO2004057701A1 (en) * | 2002-12-22 | 2004-07-08 | Fractus S.A. | Multi-band monopole antenna for a mobile communications device |
US7403164B2 (en) | 2002-12-22 | 2008-07-22 | Fractus, S.A. | Multi-band monopole antenna for a mobile communications device |
US7675470B2 (en) | 2002-12-22 | 2010-03-09 | Fractus, S.A. | Multi-band monopole antenna for a mobile communications device |
KR101284128B1 (en) * | 2003-02-14 | 2013-07-10 | 센츄리온 와이어리스 테크놀러지스 인코퍼레이티드 | Broadband combination meanderline and patch antenna |
EP1609209A2 (en) * | 2003-02-14 | 2005-12-28 | Centurion Wireless Technologies, Inc. | Broadband combination meanderline and patch antenna |
EP1609209A4 (en) * | 2003-02-14 | 2006-04-12 | Centurion Wireless Tech Inc | Broadband combination meanderline and patch antenna |
WO2004082072A1 (en) * | 2003-03-13 | 2004-09-23 | Kathrein-Werke Kg | Multirange antenna with terminal capacitance |
EP1475859A1 (en) * | 2003-05-07 | 2004-11-10 | Agere Systems Inc. | Dual-band antenna for a wireless local area network device |
EP1764862A1 (en) * | 2003-05-07 | 2007-03-21 | Agere Systems, Inc. | Dual-band antenna for a wireless local area network device |
US7057560B2 (en) * | 2003-05-07 | 2006-06-06 | Agere Systems Inc. | Dual-band antenna for a wireless local area network device |
US7358902B2 (en) | 2003-05-07 | 2008-04-15 | Agere Systems Inc. | Dual-band antenna for a wireless local area network device |
US7423592B2 (en) | 2004-01-30 | 2008-09-09 | Fractus, S.A. | Multi-band monopole antennas for mobile communications devices |
EP2008340A4 (en) * | 2006-03-31 | 2009-05-27 | Emw Antenna Co Ltd | Antenna with increased electrical length and wireless communication device including the same |
EP2008340A1 (en) * | 2006-03-31 | 2008-12-31 | E.M.W. Antenna Co., Ltd | Antenna with increased electrical length and wireless communication device including the same |
US8738103B2 (en) | 2006-07-18 | 2014-05-27 | Fractus, S.A. | Multiple-body-configuration multimedia and smartphone multifunction wireless devices |
US9899727B2 (en) | 2006-07-18 | 2018-02-20 | Fractus, S.A. | Multiple-body-configuration multimedia and smartphone multifunction wireless devices |
US10644380B2 (en) | 2006-07-18 | 2020-05-05 | Fractus, S.A. | Multiple-body-configuration multimedia and smartphone multifunction wireless devices |
US11031677B2 (en) | 2006-07-18 | 2021-06-08 | Fractus, S.A. | Multiple-body-configuration multimedia and smartphone multifunction wireless devices |
US11349200B2 (en) | 2006-07-18 | 2022-05-31 | Fractus, S.A. | Multiple-body-configuration multimedia and smartphone multifunction wireless devices |
US11735810B2 (en) | 2006-07-18 | 2023-08-22 | Fractus, S.A. | Multiple-body-configuration multimedia and smartphone multifunction wireless devices |
US7777689B2 (en) | 2006-12-06 | 2010-08-17 | Agere Systems Inc. | USB device, an attached protective cover therefore including an antenna and a method of wirelessly transmitting data |
WO2010029304A1 (en) * | 2008-09-12 | 2010-03-18 | The University Of Birmingham | Multifunctional antenna |
Also Published As
Publication number | Publication date |
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DE59910116D1 (en) | 2004-09-09 |
CN1249546A (en) | 2000-04-05 |
EP0986130A3 (en) | 2000-12-13 |
ATE272898T1 (en) | 2004-08-15 |
DK0986130T3 (en) | 2004-09-06 |
ES2226252T3 (en) | 2005-03-16 |
EP0986130B1 (en) | 2004-08-04 |
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