EP1299923B1 - Antenne planaire multibandes - Google Patents
Antenne planaire multibandes Download PDFInfo
- Publication number
- EP1299923B1 EP1299923B1 EP01954073A EP01954073A EP1299923B1 EP 1299923 B1 EP1299923 B1 EP 1299923B1 EP 01954073 A EP01954073 A EP 01954073A EP 01954073 A EP01954073 A EP 01954073A EP 1299923 B1 EP1299923 B1 EP 1299923B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slot
- frequency
- slots
- point
- line
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/206—Microstrip transmission line antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/106—Microstrip slot 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
- H01Q5/307—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
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
-
- 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
- H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
- H01Q9/0457—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means electromagnetically coupled to the feed line
-
- 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
- H01Q9/06—Details
- H01Q9/065—Microstrip dipole antennas
Definitions
- the present invention relates to a multiband planar antenna and / or broadband, more particularly an antenna suitable for networks without mobile or domestic wires.
- equipment laptops that can be used as a mobile phone when one is away from home and as part of household equipment home network when you get home, namely equipment cellular network / home network compatible.
- annular slot 1 operating at a frequency f given.
- This annular slot 1 is supplied by a line microstrip 2.
- I'm represents the length of microstrip line necessary to make an adaptation to 50 ⁇
- W s and W m being respectively the width of the slit and the width of the microstrip line.
- the present invention provides a new multiband and / or broadband planar antenna structure of simple and space-saving design.
- the subject of the present invention is a planar antenna of the type comprising a first slot dimensioned to operate at a first frequency f1 and supplied by a supply line positioned so that the slot is in a short-circuit plane of the supply line, characterized in that it comprises at least a second slot dimensioned to operate at a second frequency f2, the second slot being supplied by said supply line.
- the second slot is in a plane power line short circuit.
- this antenna has N slots, each dimensioned to operate at a frequency f i with i varying from 1 to N, each slot being supplied by said supply line so as to be in a short-circuit plane of the feeder.
- the two slots are cotangent in one point, the supply line being located either at this point or at the opposite of this point where the two slots are concentric.
- each slot is chosen so that the slot resonates at said frequency f i .
- Each slot may be of identical shape or not, symmetrical with respect to a point.
- each slot is circular or square.
- the slot may be provided with means allowing the radiation of a circularly polarized wave. These means are constituted, for example, by notches. In this case, depending on the position of the supply line, a wave with right or left circular polarization will be generated.
- a dual-frequency antenna in accordance with the present invention comprises a first annular slot 10 whose radius R1 is chosen to operate at a first fundamental frequency f1. Therefore, the radius R1 is equal to ⁇ s1 / 2 ⁇ where ⁇ s1 is the wavelength in the slot 10.
- the slot 10 has a width W S1 .
- the antenna also includes a second annular slot 11 whose radius R2 is chosen to operate at a second fundamental frequency f2, the radius R2 being equal to ⁇ s2 / 2 ⁇ .
- f2 is chosen close to 2f1 but other relationships can be envisaged.
- the two annular slots 10 and 11 are supplied by a single microstrip line 12.
- the length Im ' represents the line length necessary to adapt the Zant impedance to 50 ⁇ which is approximately 300 ⁇ .
- This line has a width Wm.
- the length of the line so that the slit is in a short circuit plane is equal to k ⁇ m / 4 with ⁇ m the wavelength below the microstrip line at the frequency defined for the slot and k an odd whole number.
- FIG 5 there is shown an embodiment operating in tribandes.
- three annular slots 21, 22, 23 operating at fundamental frequencies f1, f2, f3 are powered by the same microstrip line 20.
- the length l'm is used for adaptation to 50 ⁇ .
- FIGS. 6a, 6b and 6c another mode of production of a planar antenna in accordance with the present invention.
- the two annular slots R'1 and R'2 come confuse in one point. They are sized to operate at neighboring frequencies.
- the antenna has two annular slots R'1 and R'2 cotangent at point A.
- the two slots R'1 and R'2 are supplied by a common line on the side of point A.
- the two slots lie substantially in a line short-circuit plane feed and lengths l'm and I'm 'are chosen from tette so that l'm equal to k ⁇ 'm / 4 where ⁇ 'm is the wavelength under the microstrip line and k an odd whole number and l'm 'allows adaptation to 50 ⁇ .
- the two slots annulars are cotangent at point B and are supplied by a line supply side opposite point B.
- the lengths I "m2 and I" m1 are chosen so that the slots R'1 and R'2 lie substantially in a short-circuit plane of the power line.
- the length I "m ' is chosen to realize adaptation to 50 ⁇ .
- the two annular slots R'1 and R'2 are concentric. They are supplied by a line common power supply in microstrip technology for example.
- the lengths Im1 and Im2 are chosen so that the slots R'1 and R'2 are find close to a line short circuit plan and lm 'allows adaptation to 50 ⁇ .
- the slot is constituted by a square 30 supplied by a line 31.
- the slot 1 is circular. It is supplied by a line 2 and it radiates a linearly polarized wave.
- the circular slot 1 ' is provided with notches 1 ". It is fed by a line 2.
- the slot radiates a circular polarization which can be left or right depending on the positioning of the line.
- the slit must comply with the design rules given above. In general, the slit must be symmetrical with respect to a point and present a length such that it radiates at the chosen fundamental frequency.
- the present invention has been described with supply lines produced in microstrip technology, however the lines can be produced in coplanar technology.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
Technologie | Application | Bande de fréquences (GHz) |
GSM | Téléphone mobile | 0,9 |
DCS 1800 | Téléphone mobile | 1,8 |
UMTS | Système mobile universel | 1,9 - 2,0 - 2,1 |
DECT - PHS | Réseaux domestiques | 1,8 |
Bluetooth | Réseaux domestiques | 2,4 - 2,48 |
Home RF | Réseaux domestiques | 2,4 ISM |
Europe BRAN / HYPERLAN2 | Réseaux domestiques | (5,15-5,35) (5,47-5,725) |
US-IEEE 802.11 | Réseaux domestiques | 2,4 |
US-IEEE 802.11a | Réseaux domestiques | (5,15-5,35) (5,725-5,825) |
Ainsi la présente invention, a pour objet une antenne planaire du type comportant une première fente dimensionnée pour fonctionner à une première fréquence f1 et alimentée par une ligne d'alimentation positionnée de sorte que la fente se trouve dans un plan de court-circuit de la ligne d'alimentation, caractérisée en ce qu'elle comporte au moins une deuxième fente dimensionnée pour fonctionner à une deuxième fréquence f2, la deuxième fente étant alimentée par ladite ligne d'alimentation.
R1 = 16,4 mm WS1 = 0,4 mm Im1 = 20 mm f1 = 2,4 GHz
R2 = 7,4 mm WS2 = 0,4 mm Im2 = 9,25 mm f2 = 5,2 GHz
Caractéristiques géométriques et électromagnétiques des antennes | ||||
Type d'antenne | Dimension des fentes (mm) | Caractéristiques de la ligne microruban (mm) | Fréquence (GHz) | Bande passante -10dB (MHz) |
Fente simple | R=6,5 | Im=8,25 | 5,88 | 380 (6,55%) |
2 fentes concentriques | R'1=7,1 R'2=6,5 | Im1=9,1 - Im2=8,25-Im'=8,8 | 5,84 | 470 (8%) |
3 fentes concentriques | R1=7,1 R2=6,5 R3=7,7 | I'm1=9,15 - I'm2=8,55 I'm3=9,75 I"m=8,8 | 5,8 | 550 (9,8%) |
2 fentes imbriquées côté opposé à la ligne d'alimentation | R'1=7,1 R'2 = 6,5 | I"m1=9,15 - I"m2=7,95-I"m'=8,25 | 5,72 | 450 (7,8%) |
3 fentes imbriquées | R1=7,1 R2=6,5 R3=7,7 | I"m1=9,15 - I"m2=7,95 I"m3=10,34 I"m'=8,25 | 5,59 | 500 (8,9%) |
La présente invention a été décrite avec des lignes d'alimentation réalisées en technologie microruban, toutefois les lignes peuvent être réalisées en technologie coplanaire.
Claims (7)
- Antenne planaire multibandes comportant sur un substrat une première fente (10) du type fente annulaire ou de forme symétrique par rapport à un point dont le périmètre est dimensionné (R1,R'1) pour fonctionner à une première fréquence f1, caractérisée en ce qu'elle comporte au moins une deuxième fente (11) du type fente annulaire ou de forme symétrique par rapport à un point dont le périmètre est dimensionné (R2,R'2) pour fonctionner à une deuxième fréquence f2 et imbriquée dans la première fente (10), la première et la deuxième fente étant alimentées par une ligne d'alimentation (12) (Im1,Im2 ; I'm ; I'm1,I'm2) commune positionnée de manière à croiser chacune des fentes dans un plan de court-circuit de la ligne d'alimentation.
- Antenne selon la revendication 1, caractérisée en ce qu'elle comporte N fentes imbriquées (21,22,23) du type fente annulaire ou de forme symétrique par rapport à un point, le périmètre de chaque fente étant dimensionné pour fonctionner à une fréquence fi avec i variant de 1 à N, chaque fente étant alimentée par ladite ligne d'alimentation (20) de manière à se trouver dans un plan de court-circuit de la ligne d'alimentation.
- Antenne selon la revendication 1, caractérisée en ce que les fentes (R'1,R'2) sont cotangentes en un point avec la ligne d'alimentation croisant les fentes en ce point ou bien au point diamétralement opposé.
- Antenne selon la revendication 1, caractérisée en ce que les fentes sont concentriques.
- Antenne selon l'une des revendications 1 à 4, caractérisée en ce que les fentes sont munies de moyens (1") permettant le rayonnement d'une onde polarisée circulairement.
- Antenne selon la revendication 5, caractérisée en ce que les moyens sont constitués par des encoches réalisées dans la fente.
- Antenne selon l'une des revendications 1 à 6, caractérisée en ce que la ligne d'alimentation est une ligne microruban ou une ligne réalisée en technologie coplanaire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01954073A EP1299923B1 (fr) | 2000-07-13 | 2001-07-11 | Antenne planaire multibandes |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0009378 | 2000-07-13 | ||
FR0009378 | 2000-07-13 | ||
EP00460072 | 2000-12-19 | ||
EP00460072 | 2000-12-19 | ||
EP01954073A EP1299923B1 (fr) | 2000-07-13 | 2001-07-11 | Antenne planaire multibandes |
PCT/FR2001/002233 WO2002007261A1 (fr) | 2000-07-13 | 2001-07-11 | Antenne planaire multibandes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1299923A1 EP1299923A1 (fr) | 2003-04-09 |
EP1299923B1 true EP1299923B1 (fr) | 2004-10-13 |
Family
ID=26073646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01954073A Expired - Lifetime EP1299923B1 (fr) | 2000-07-13 | 2001-07-11 | Antenne planaire multibandes |
Country Status (11)
Country | Link |
---|---|
US (1) | US6914574B2 (fr) |
EP (1) | EP1299923B1 (fr) |
JP (1) | JP5010794B2 (fr) |
KR (1) | KR100777792B1 (fr) |
CN (1) | CN100358183C (fr) |
AT (1) | ATE279795T1 (fr) |
AU (1) | AU2001276428A1 (fr) |
DE (1) | DE60106452T2 (fr) |
ES (1) | ES2230344T3 (fr) |
MX (1) | MXPA02012930A (fr) |
WO (1) | WO2002007261A1 (fr) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD666178S1 (en) | 2008-02-29 | 2012-08-28 | Antennas Direct, Inc. | Antenna |
US7839347B2 (en) * | 2007-12-05 | 2010-11-23 | Antennas Direct, Inc. | Antenna assemblies with tapered loop antenna elements and reflectors |
USD868045S1 (en) | 2008-02-29 | 2019-11-26 | Antennas Direct, Inc. | Antenna |
USD809490S1 (en) | 2008-02-29 | 2018-02-06 | Antennas Direct, Inc. | Antenna |
US7609222B2 (en) * | 2007-12-05 | 2009-10-27 | Antennas Direct, Inc. | Antenna assemblies with antenna elements and reflectors |
US10957979B2 (en) | 2018-12-06 | 2021-03-23 | Antennas Direct, Inc. | Antenna assemblies |
US8368607B2 (en) * | 2007-12-05 | 2013-02-05 | Antennas Direct, Inc. | Antenna assemblies with antenna elements and reflectors |
USD881172S1 (en) | 1975-11-03 | 2020-04-14 | Antennas Direct, Inc. | Antenna and base stand |
US20140292597A1 (en) | 2007-12-05 | 2014-10-02 | Antennas Direct, Inc. | Antenna assemblies with tapered loop antenna elements |
USD867347S1 (en) | 2008-02-29 | 2019-11-19 | Antennas Direct, Inc. | Antenna |
FR2833764B1 (fr) * | 2001-12-19 | 2004-01-30 | Thomson Licensing Sa | Dispositif pour la reception et/ou l'emission de signaux electromagnetiques polarises circulairement |
FR2840456A1 (fr) * | 2002-05-31 | 2003-12-05 | Thomson Licensing Sa | Perfectionnement aux antennes planaires de type fente |
FR2861222A1 (fr) * | 2003-10-17 | 2005-04-22 | Thomson Licensing Sa | Antenne planaire bi-bande |
FR2866987A1 (fr) * | 2004-03-01 | 2005-09-02 | Thomson Licensing Sa | Antenne planaire multibandes |
JP2006033652A (ja) * | 2004-07-21 | 2006-02-02 | Japan Radio Co Ltd | マルチバンドアンテナ |
JP4325532B2 (ja) * | 2004-10-19 | 2009-09-02 | 日立電線株式会社 | アンテナ及びその製造方法並びに同アンテナを用いた無線端末 |
US7659860B2 (en) * | 2004-12-27 | 2010-02-09 | Telefonaktiebolaget L M Ericsson (Publ) | Triple polarized slot antenna |
KR100781933B1 (ko) * | 2005-12-16 | 2007-12-04 | 주식회사 이엠따블유안테나 | 단일 급전 단층 2 중 대역 원편파 안테나 |
FR2903216A1 (fr) * | 2006-06-28 | 2008-01-04 | Thomson Licensing Sa | Perfectionnement aux supports de donnees tels que les supports optiques |
US20080291345A1 (en) * | 2007-05-23 | 2008-11-27 | Antennas Direct, Inc. | Picture frame antenna assemblies |
KR100932008B1 (ko) * | 2007-07-04 | 2009-12-15 | 전남대학교산학협력단 | 이중 공진 특성을 갖는 cpw급전 슬롯 안테나 |
US7990335B2 (en) * | 2007-12-05 | 2011-08-02 | Antennas Direct, Inc. | Antenna assemblies with antenna elements and reflectors |
US11929562B2 (en) | 2007-12-05 | 2024-03-12 | Antennas Direct, Inc. | Antenna assemblies with tapered loop antenna elements |
US7710302B2 (en) * | 2007-12-21 | 2010-05-04 | International Business Machines Corporation | Design structures and systems involving digital to analog converters |
US7868809B2 (en) * | 2007-12-21 | 2011-01-11 | International Business Machines Corporation | Digital to analog converter having fastpaths |
USD815073S1 (en) * | 2008-02-29 | 2018-04-10 | Antennas Direct, Inc. | Antenna |
USD804459S1 (en) | 2008-02-29 | 2017-12-05 | Antennas Direct, Inc. | Antennas |
USD883264S1 (en) | 2008-02-29 | 2020-05-05 | Antennas Direct, Inc. | Antenna |
USD920962S1 (en) | 2008-02-29 | 2021-06-01 | Antennas Direct, Inc. | Base stand for antenna |
USD883265S1 (en) * | 2008-02-29 | 2020-05-05 | Antennas Direct, Inc. | Antenna |
US8542153B2 (en) | 2009-11-16 | 2013-09-24 | Skyware Antennas, Inc. | Slot halo antenna device |
US8797227B2 (en) | 2009-11-16 | 2014-08-05 | Skywave Antennas, Inc. | Slot halo antenna with tuning stubs |
USD664126S1 (en) | 2010-08-26 | 2012-07-24 | Antennas Direct, Inc. | Antenna |
JP6480751B2 (ja) * | 2015-02-18 | 2019-03-13 | パナソニック株式会社 | アレイアンテナ装置 |
USD827620S1 (en) | 2015-10-08 | 2018-09-04 | Antennas Direct, Inc. | Antenna element |
US10128575B2 (en) | 2015-09-02 | 2018-11-13 | Antennas Direct, Inc. | HDTV antenna assemblies |
USD824884S1 (en) | 2015-10-08 | 2018-08-07 | Antennas Direct, Inc. | Antenna element |
US9761935B2 (en) | 2015-09-02 | 2017-09-12 | Antennas Direct, Inc. | HDTV antenna assemblies |
USD811752S1 (en) | 2015-10-08 | 2018-03-06 | Antennas Direct, Inc. | Picture frame antenna |
KR102557031B1 (ko) * | 2018-12-28 | 2023-07-19 | 삼성전자주식회사 | 금속 베젤을 이용하는 안테나 모듈 및 그것을 포함하는 전자 장치 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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US4208660A (en) * | 1977-11-11 | 1980-06-17 | Raytheon Company | Radio frequency ring-shaped slot antenna |
JPH01189208A (ja) * | 1988-01-22 | 1989-07-28 | Sony Corp | マイクロストリップアンテナ |
US4947178A (en) * | 1988-05-02 | 1990-08-07 | Lotfollah Shafai | Scanning antenna |
JPH0229007A (ja) * | 1988-07-18 | 1990-01-31 | Mitsubishi Electric Corp | アンテナ装置 |
EP0407145B1 (fr) * | 1989-07-06 | 1994-12-14 | Harada Industry Co., Ltd. | Antenne à large bande pour communications radiotéléphoniques mobiles |
FR2651926B1 (fr) * | 1989-09-11 | 1991-12-13 | Alcatel Espace | Antenne plane. |
ES2021522A6 (es) | 1990-04-20 | 1991-11-01 | Consejo Superior Investigacion | Radiador microbanda para polarizacion circular libre de soldaduras y potenciales flotantes. |
FR2672437B1 (fr) * | 1991-02-01 | 1993-09-17 | Alcatel Espace | Dispositif rayonnant pour antenne plane. |
EP0632523B1 (fr) * | 1993-07-01 | 1999-03-17 | Commonwealth Scientific And Industrial Research Organisation | Antenne plane |
FR2725561B1 (fr) | 1994-10-10 | 1996-11-08 | Thomson Consumer Electronics | Systeme a antennes sources multiples integrees au convertisseur de frequence a faible bruit |
JPH11215218A (ja) * | 1998-01-21 | 1999-08-06 | Matsushita Electric Ind Co Ltd | 携帯型無線通信装置 |
FR2866987A1 (fr) * | 2004-03-01 | 2005-09-02 | Thomson Licensing Sa | Antenne planaire multibandes |
-
2001
- 2001-07-11 MX MXPA02012930A patent/MXPA02012930A/es active IP Right Grant
- 2001-07-11 AT AT01954073T patent/ATE279795T1/de not_active IP Right Cessation
- 2001-07-11 DE DE60106452T patent/DE60106452T2/de not_active Expired - Lifetime
- 2001-07-11 US US10/332,431 patent/US6914574B2/en not_active Expired - Fee Related
- 2001-07-11 KR KR1020027018018A patent/KR100777792B1/ko not_active IP Right Cessation
- 2001-07-11 EP EP01954073A patent/EP1299923B1/fr not_active Expired - Lifetime
- 2001-07-11 WO PCT/FR2001/002233 patent/WO2002007261A1/fr active IP Right Grant
- 2001-07-11 CN CNB018125204A patent/CN100358183C/zh not_active Expired - Fee Related
- 2001-07-11 AU AU2001276428A patent/AU2001276428A1/en not_active Abandoned
- 2001-07-11 JP JP2002513050A patent/JP5010794B2/ja not_active Expired - Fee Related
- 2001-07-11 ES ES01954073T patent/ES2230344T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2002007261A1 (fr) | 2002-01-24 |
AU2001276428A1 (en) | 2002-01-30 |
US6914574B2 (en) | 2005-07-05 |
MXPA02012930A (es) | 2003-10-14 |
ATE279795T1 (de) | 2004-10-15 |
ES2230344T3 (es) | 2005-05-01 |
EP1299923A1 (fr) | 2003-04-09 |
US20040090379A1 (en) | 2004-05-13 |
KR100777792B1 (ko) | 2007-11-22 |
JP2004504747A (ja) | 2004-02-12 |
KR20030016320A (ko) | 2003-02-26 |
DE60106452D1 (de) | 2004-11-18 |
JP5010794B2 (ja) | 2012-08-29 |
DE60106452T2 (de) | 2006-02-02 |
CN1441981A (zh) | 2003-09-10 |
CN100358183C (zh) | 2007-12-26 |
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