JP4284361B2 - 離散的容量結合を備える位相配列アンテナ吸収体及び関連方法 - Google Patents
離散的容量結合を備える位相配列アンテナ吸収体及び関連方法 Download PDFInfo
- Publication number
- JP4284361B2 JP4284361B2 JP2006522616A JP2006522616A JP4284361B2 JP 4284361 B2 JP4284361 B2 JP 4284361B2 JP 2006522616 A JP2006522616 A JP 2006522616A JP 2006522616 A JP2006522616 A JP 2006522616A JP 4284361 B2 JP4284361 B2 JP 4284361B2
- Authority
- JP
- Japan
- Prior art keywords
- dipole antenna
- phased array
- adjacent
- antenna elements
- substrate
- 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 - Fee Related
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
- H01Q9/285—Planar dipole
-
- 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
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/062—Two dimensional planar arrays using dipole aerials
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
Claims (5)
- 基板と、
該基板上の双極子アンテナエレメントの配列とを含み、
各双極子アンテナエレメントは、中央給電部と、該中央給電部から外向きに延びる一組の脚部とを含み、隣接する双極子アンテナエレメントの隣接する脚部は、離間した端部部分をそれぞれ含み、
隣接する双極子アンテナエレメントの隣接する脚部の前記離間した端部部分間の容量結合の増大をもたらすために、それらの間にそれぞれ電気的に接続されるインピーダンスエレメントをさらに含み、
前記基板は、第一表面と、該第一表面に隣接する少なくとも1つの第二表面とを有し、前記第一表面と前記第二表面との間にエッジをそれぞれ定め、
前記双極子アンテナエレメントの配列は、前記第一表面上にある複数の能動的双極子アンテナエレメントを含み、
前記双極子アンテナエレメントの配列は、前記第二表面の1つの上にある少なくとも1つの受動的双極子アンテナエレメントを含む、
位相配列アンテナ。 - 各インピーダンスエレメントはキャパシタを含む、請求項1に記載の位相配列アンテナ。
- 各脚部は、
細長本体部と、
該細長本体部の一端に接続された拡大幅端部部分とを含む、
請求項1に記載の位相配列アンテナ。 - 隣接する双極子アンテナエレメントの隣接する脚部は、前記隣接する双極子アンテナエレメント間の容量結合をさらに増大するための所定形状及び相対的位置付けを有する離間した端部部分をそれぞれ含む、請求項1に記載の位相配列アンテナ。
- 当該位相配列アンテナは、所望周波数範囲を有し、隣接する双極子アンテナエレメントの隣接する脚部の前記端部部分間の間隔は、最高所望周波数の波長の約半分未満である、請求項1に記載の位相配列アンテナ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/634,036 US6856297B1 (en) | 2003-08-04 | 2003-08-04 | Phased array antenna with discrete capacitive coupling and associated methods |
PCT/US2004/024391 WO2005050774A2 (en) | 2003-08-04 | 2004-07-28 | Phased array antenna with discrete capacitive coupling and associated methods |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007501570A JP2007501570A (ja) | 2007-01-25 |
JP4284361B2 true JP4284361B2 (ja) | 2009-06-24 |
Family
ID=34115965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006522616A Expired - Fee Related JP4284361B2 (ja) | 2003-08-04 | 2004-07-28 | 離散的容量結合を備える位相配列アンテナ吸収体及び関連方法 |
Country Status (8)
Country | Link |
---|---|
US (2) | US6856297B1 (ja) |
EP (1) | EP1665453B1 (ja) |
JP (1) | JP4284361B2 (ja) |
KR (1) | KR100756785B1 (ja) |
CN (1) | CN1860648B (ja) |
CA (1) | CA2534734C (ja) |
DE (1) | DE602004016757D1 (ja) |
WO (1) | WO2005050774A2 (ja) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7095377B2 (en) * | 2003-10-30 | 2006-08-22 | Lucent Technologies Inc. | Light-weight signal transmission lines and radio frequency antenna system |
US6954179B2 (en) * | 2003-11-06 | 2005-10-11 | Harris Corporation | Multiband radially distributed graded phased array antenna and associated methods |
US6943748B2 (en) * | 2003-11-06 | 2005-09-13 | Harris Corporation | Multiband polygonally distributed phased array antenna and associated methods |
US6977623B2 (en) * | 2004-02-17 | 2005-12-20 | Harris Corporation | Wideband slotted phased array antenna and associated methods |
US6999044B2 (en) * | 2004-04-21 | 2006-02-14 | Harris Corporation | Reflector antenna system including a phased array antenna operable in multiple modes and related methods |
US7084827B1 (en) * | 2005-02-07 | 2006-08-01 | Harris Corporation | Phased array antenna with an impedance matching layer and associated methods |
US8380132B2 (en) * | 2005-09-14 | 2013-02-19 | Delphi Technologies, Inc. | Self-structuring antenna with addressable switch controller |
US7358921B2 (en) * | 2005-12-01 | 2008-04-15 | Harris Corporation | Dual polarization antenna and associated methods |
US7408519B2 (en) | 2005-12-16 | 2008-08-05 | Harris Corporation | Dual polarization antenna array with inter-element capacitive coupling plate and associated methods |
US7221322B1 (en) * | 2005-12-14 | 2007-05-22 | Harris Corporation | Dual polarization antenna array with inter-element coupling and associated methods |
US7633454B2 (en) * | 2006-12-20 | 2009-12-15 | Lockheed Martin Corporation | Antenna array system and method for beamsteering |
US7463210B2 (en) * | 2007-04-05 | 2008-12-09 | Harris Corporation | Phased array antenna formed as coupled dipole array segments |
EP2215688A1 (en) * | 2007-10-09 | 2010-08-11 | BAE Systems PLC | Phased array antenna |
US8531848B2 (en) * | 2007-12-07 | 2013-09-10 | METAMEMS Corp. | Coulomb island and Faraday shield used to create adjustable Coulomb forces |
US20090149038A1 (en) * | 2007-12-07 | 2009-06-11 | Metamems Llc | Forming edge metallic contacts and using coulomb forces to improve ohmic contact |
US8008070B2 (en) * | 2007-12-07 | 2011-08-30 | METAMEMS Corp. | Using coulomb forces to study charateristics of fluids and biological samples |
US8159809B2 (en) * | 2007-12-07 | 2012-04-17 | METAMEMS Corp. | Reconfigurable system that exchanges substrates using coulomb forces to optimize a parameter |
US7728427B2 (en) * | 2007-12-07 | 2010-06-01 | Lctank Llc | Assembling stacked substrates that can form cylindrical inductors and adjustable transformers |
US7965489B2 (en) * | 2007-12-07 | 2011-06-21 | METAMEMS Corp. | Using coulomb forces to form 3-D reconfigurable antenna structures |
US7863651B2 (en) * | 2007-12-07 | 2011-01-04 | METAMEMS Corp. | Using multiple coulomb islands to reduce voltage stress |
US7812336B2 (en) * | 2007-12-07 | 2010-10-12 | METAMEMS Corp. | Levitating substrate being charged by a non-volatile device and powered by a charged capacitor or bonding wire |
US7946174B2 (en) | 2007-12-07 | 2011-05-24 | METAMEMS Corp. | Decelerometer formed by levitating a substrate into equilibrium |
US8018009B2 (en) | 2007-12-07 | 2011-09-13 | METAMEMS Corp. | Forming large planar structures from substrates using edge Coulomb forces |
US8160498B2 (en) | 2007-12-12 | 2012-04-17 | Broadcom Corporation | Method and system for portable data storage with integrated 60 GHz radio |
US8583197B2 (en) | 2007-12-12 | 2013-11-12 | Broadcom Corporation | Method and system for sharing antennas for high frequency and low frequency applications |
US8494030B2 (en) | 2008-06-19 | 2013-07-23 | Broadcom Corporation | Method and system for 60 GHz wireless clock distribution |
US7880677B2 (en) | 2007-12-12 | 2011-02-01 | Broadcom Corporation | Method and system for a phased array antenna embedded in an integrated circuit package |
US8855093B2 (en) | 2007-12-12 | 2014-10-07 | Broadcom Corporation | Method and system for chip-to-chip communications with wireline control |
US8064936B2 (en) | 2008-02-28 | 2011-11-22 | Broadcom Corporation | Method and system for a multistandard proxy |
US8116676B2 (en) | 2008-05-07 | 2012-02-14 | Broadcom Corporation | Method and system for inter IC communications utilizing a spatial multi-link repeater |
US8195118B2 (en) | 2008-07-15 | 2012-06-05 | Linear Signal, Inc. | Apparatus, system, and method for integrated phase shifting and amplitude control of phased array signals |
US7808425B2 (en) * | 2008-09-23 | 2010-10-05 | Agence Spatiale Europeenne | Space-borne altimetry apparatus, antenna subsystem for such an apparatus and methods for calibrating the same |
US8872719B2 (en) | 2009-11-09 | 2014-10-28 | Linear Signal, Inc. | Apparatus, system, and method for integrated modular phased array tile configuration |
WO2011064585A1 (en) | 2009-11-27 | 2011-06-03 | Bae Systems Plc | Antenna array |
US9077082B2 (en) * | 2010-09-02 | 2015-07-07 | Topcon Positioning Systems, Inc. | Patch antenna with capacitive radiating patch |
KR20120099861A (ko) * | 2011-03-02 | 2012-09-12 | 한국전자통신연구원 | 평면형 메타물질을 포함한 마이크로스트립 패치 안테나 및 그 동작 방법 |
WO2012177946A2 (en) * | 2011-06-23 | 2012-12-27 | The Regents Of The University Of California | Electrically small vertical split-ring resonator antennas |
CN103326128B (zh) * | 2012-03-22 | 2015-07-08 | 深圳光启创新技术有限公司 | 一种超材料天线 |
WO2014068072A1 (en) | 2012-10-31 | 2014-05-08 | Institut Gustave-Roussy | Identification, assessment and therapy of essential thrombocythemia with resistance to jak2 inhibitors |
US9343816B2 (en) | 2013-04-09 | 2016-05-17 | Raytheon Company | Array antenna and related techniques |
US20140354510A1 (en) * | 2013-06-02 | 2014-12-04 | Commsky Technologies, Inc. | Antenna system providing simultaneously identical main beam radiation characteristics for independent polarizations |
US9437929B2 (en) | 2014-01-15 | 2016-09-06 | Raytheon Company | Dual polarized array antenna with modular multi-balun board and associated methods |
TWI549365B (zh) * | 2014-12-02 | 2016-09-11 | Hongbo Wireless Comm Technology Co Ltd | Antenna array of hybrid radiator elements |
US9991605B2 (en) | 2015-06-16 | 2018-06-05 | The Mitre Corporation | Frequency-scaled ultra-wide spectrum element |
US10056699B2 (en) | 2015-06-16 | 2018-08-21 | The Mitre Cooperation | Substrate-loaded frequency-scaled ultra-wide spectrum element |
KR101588215B1 (ko) * | 2015-08-14 | 2016-01-25 | 한국지질자원연구원 | 지하 물성 탐사시스템 및 이를 이용한 지하 물성 분석방법 |
US9780458B2 (en) | 2015-10-13 | 2017-10-03 | Raytheon Company | Methods and apparatus for antenna having dual polarized radiating elements with enhanced heat dissipation |
US10446923B2 (en) | 2015-12-30 | 2019-10-15 | Huawei Technologies Co., Ltd. | Antenna array with reduced mutual coupling effect |
US11088467B2 (en) | 2016-12-15 | 2021-08-10 | Raytheon Company | Printed wiring board with radiator and feed circuit |
US10581177B2 (en) | 2016-12-15 | 2020-03-03 | Raytheon Company | High frequency polymer on metal radiator |
US10541461B2 (en) | 2016-12-16 | 2020-01-21 | Ratheon Company | Tile for an active electronically scanned array (AESA) |
CN110603686B (zh) * | 2017-05-12 | 2021-11-12 | 瑞典爱立信有限公司 | 在频率范围内进行操作的单极化辐射器及广带天线 |
US10361485B2 (en) | 2017-08-04 | 2019-07-23 | Raytheon Company | Tripole current loop radiating element with integrated circularly polarized feed |
US10424847B2 (en) | 2017-09-08 | 2019-09-24 | Raytheon Company | Wideband dual-polarized current loop antenna element |
US10854993B2 (en) | 2017-09-18 | 2020-12-01 | The Mitre Corporation | Low-profile, wideband electronically scanned array for geo-location, communications, and radar |
US10784590B2 (en) * | 2018-07-06 | 2020-09-22 | Bae Systems Information And Electronic Systems Integration Inc. | Ultra-wide bandwidth frequency-independent circularly polarized array antenna |
US10636360B2 (en) | 2018-07-10 | 2020-04-28 | A.U. Vista, Inc. | Wireless display panel with multi-channel data transmission and display device using the same |
US10886625B2 (en) | 2018-08-28 | 2021-01-05 | The Mitre Corporation | Low-profile wideband antenna array configured to utilize efficient manufacturing processes |
US11177571B2 (en) | 2019-08-07 | 2021-11-16 | Raytheon Company | Phased array antenna with edge-effect mitigation |
CN110994172B (zh) * | 2019-12-26 | 2021-04-27 | 西安邮电大学 | 一种基于宽阻带低频多层频率选择表面的天线罩 |
US11264733B2 (en) * | 2020-07-29 | 2022-03-01 | Qualcomm Incorporated | Wide-beam antenna |
EP4176489A1 (en) * | 2020-10-26 | 2023-05-10 | Kyocera Avx Components (San Diego), Inc. | Wideband phased array antenna for millimeter wave communications |
CN112768899B (zh) * | 2020-12-29 | 2023-03-21 | 京信通信技术(广州)有限公司 | 辐射单元及天线 |
CN114583456B (zh) * | 2022-03-08 | 2024-02-09 | 微网优联科技(成都)有限公司 | 一种小型化平面方向图可重构天线、物联网设备及路由器 |
CN116231317B (zh) * | 2023-03-07 | 2024-01-12 | 电子科技大学 | 轻量化阻性环加载的双极化低剖面强耦合超宽带相控阵 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3995277A (en) | 1975-10-20 | 1976-11-30 | Minnesota Mining And Manufacturing Company | Microstrip antenna |
US4381566A (en) * | 1979-06-14 | 1983-04-26 | Matsushita Electric Industrial Co., Ltd. | Electronic tuning antenna system |
CA1290450C (en) * | 1987-09-09 | 1991-10-08 | Thomas Tralman | Polarization selective surface for circular polarization |
US5132699A (en) | 1990-11-19 | 1992-07-21 | Ltv Aerospace And Defense Co. | Inflatable antenna |
JPH08222940A (ja) | 1995-02-14 | 1996-08-30 | Mitsubishi Electric Corp | アンテナ装置 |
US5859619A (en) | 1996-10-22 | 1999-01-12 | Trw Inc. | Small volume dual offset reflector antenna |
US6057802A (en) * | 1997-06-30 | 2000-05-02 | Virginia Tech Intellectual Properties, Inc. | Trimmed foursquare antenna radiating element |
DE69809704T2 (de) | 1998-02-12 | 2003-04-10 | Sony Int Europe Gmbh | Antennen-Tragstruktur |
US6293027B1 (en) | 1999-05-11 | 2001-09-25 | Trw Inc. | Distortion measurement and adjustment system and related method for its use |
US6448937B1 (en) | 2000-04-25 | 2002-09-10 | Lucent Technologies Inc. | Phased array antenna with active parasitic elements |
US6366256B1 (en) | 2000-09-20 | 2002-04-02 | Hughes Electronics Corporation | Multi-beam reflector antenna system with a simple beamforming network |
US6456252B1 (en) | 2000-10-23 | 2002-09-24 | The Boeing Company | Phase-only reconfigurable multi-feed reflector antenna for shaped beams |
US6307510B1 (en) | 2000-10-31 | 2001-10-23 | Harris Corporation | Patch dipole array antenna and associated methods |
US6483464B2 (en) | 2000-10-31 | 2002-11-19 | Harris Corporation | Patch dipole array antenna including a feed line organizer body and related methods |
US6512487B1 (en) * | 2000-10-31 | 2003-01-28 | Harris Corporation | Wideband phased array antenna and associated methods |
US6583766B1 (en) | 2002-01-03 | 2003-06-24 | Harris Corporation | Suppression of mutual coupling in an array of planar antenna elements |
US6771221B2 (en) * | 2002-01-17 | 2004-08-03 | Harris Corporation | Enhanced bandwidth dual layer current sheet antenna |
US6552687B1 (en) | 2002-01-17 | 2003-04-22 | Harris Corporation | Enhanced bandwidth single layer current sheet antenna |
US6924776B2 (en) * | 2003-07-03 | 2005-08-02 | Andrew Corporation | Wideband dual polarized base station antenna offering optimized horizontal beam radiation patterns and variable vertical beam tilt |
US6876336B2 (en) * | 2003-08-04 | 2005-04-05 | Harris Corporation | Phased array antenna with edge elements and associated methods |
-
2003
- 2003-08-04 US US10/634,036 patent/US6856297B1/en not_active Expired - Fee Related
-
2004
- 2004-04-21 US US10/828,749 patent/US6943743B2/en not_active Expired - Fee Related
- 2004-07-28 WO PCT/US2004/024391 patent/WO2005050774A2/en active Application Filing
- 2004-07-28 EP EP04817738A patent/EP1665453B1/en not_active Expired - Fee Related
- 2004-07-28 JP JP2006522616A patent/JP4284361B2/ja not_active Expired - Fee Related
- 2004-07-28 DE DE602004016757T patent/DE602004016757D1/de active Active
- 2004-07-28 CN CN2004800281368A patent/CN1860648B/zh not_active Expired - Fee Related
- 2004-07-28 KR KR1020067002452A patent/KR100756785B1/ko not_active IP Right Cessation
- 2004-07-28 CA CA2534734A patent/CA2534734C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1665453A2 (en) | 2006-06-07 |
US20050030236A1 (en) | 2005-02-10 |
CN1860648B (zh) | 2012-11-21 |
KR100756785B1 (ko) | 2007-09-07 |
EP1665453B1 (en) | 2008-09-24 |
DE602004016757D1 (de) | 2008-11-06 |
WO2005050774A2 (en) | 2005-06-02 |
KR20060087503A (ko) | 2006-08-02 |
WO2005050774A3 (en) | 2005-11-17 |
CA2534734A1 (en) | 2005-06-02 |
US6943743B2 (en) | 2005-09-13 |
US20050030246A1 (en) | 2005-02-10 |
US6856297B1 (en) | 2005-02-15 |
CA2534734C (en) | 2010-07-06 |
CN1860648A (zh) | 2006-11-08 |
EP1665453A4 (en) | 2007-02-14 |
JP2007501570A (ja) | 2007-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4284361B2 (ja) | 離散的容量結合を備える位相配列アンテナ吸収体及び関連方法 | |
JP4111532B2 (ja) | エッジエレメントを備える位相配列アンテナ及び関連方法 | |
US7009570B2 (en) | Phased array antenna absorber and associated methods | |
CA2597051C (en) | Phased array antenna with an impedance matching layer and associated methods | |
EP1978597B1 (en) | Phased array antenna formed as coupled dipole array segments | |
JP2006508610A (ja) | 位相配列アンテナにおける多層静電結合 | |
US20100007572A1 (en) | Dual-polarized phased array antenna with vertical features to eliminate scan blindness | |
WO2002041443A2 (en) | Wideband phased array antenna and associated methods | |
US6977623B2 (en) | Wideband slotted phased array antenna and associated methods | |
US10826187B1 (en) | Radiating interrupted boundary slot antenna | |
KR102151636B1 (ko) | Vhf 저피탐 컨포멀안테나 장치 | |
CN117855842A (zh) | 相控阵天线及天线*** |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080325 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20080605 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20080612 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20081024 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090123 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090224 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090323 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120327 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120327 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130327 Year of fee payment: 4 |
|
LAPS | Cancellation because of no payment of annual fees |