DE60123370D1 - Fahrzeugscheinwerfer mit einer verstellbaren Blende und einer verstellbaren Reflektorfläche zur Erzeugung eines Abblend- und Fernlichtbündels - Google Patents
Fahrzeugscheinwerfer mit einer verstellbaren Blende und einer verstellbaren Reflektorfläche zur Erzeugung eines Abblend- und FernlichtbündelsInfo
- Publication number
- DE60123370D1 DE60123370D1 DE60123370T DE60123370T DE60123370D1 DE 60123370 D1 DE60123370 D1 DE 60123370D1 DE 60123370 T DE60123370 T DE 60123370T DE 60123370 T DE60123370 T DE 60123370T DE 60123370 D1 DE60123370 D1 DE 60123370D1
- Authority
- DE
- Germany
- Prior art keywords
- adjustable
- dipped
- generating
- high beam
- vehicle headlamp
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
- F21S41/692—Shields, i.e. screens not creating an image meant to be projected
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/36—Combinations of two or more separate reflectors
- F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
- F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
- F21S41/686—Blades, i.e. screens moving in a vertical plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
- F21S41/689—Flaps, i.e. screens pivoting around one of their edges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
- F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000392979A JP3646251B2 (ja) | 2000-12-25 | 2000-12-25 | 車両用前照灯 |
JP2000392979 | 2000-12-25 | ||
JP2001190196 | 2001-06-22 | ||
JP2001190196A JP4422925B2 (ja) | 2001-06-22 | 2001-06-22 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60123370D1 true DE60123370D1 (de) | 2006-11-09 |
DE60123370T2 DE60123370T2 (de) | 2007-08-23 |
Family
ID=26606539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60123370T Expired - Lifetime DE60123370T2 (de) | 2000-12-25 | 2001-12-21 | Fahrzeugscheinwerfer mit einer verstellbaren Blende und einer verstellbaren Reflektorfläche zur Erzeugung eines Abblend- und Fernlichtbündels |
Country Status (3)
Country | Link |
---|---|
US (2) | US6543910B2 (de) |
EP (1) | EP1219887B1 (de) |
DE (1) | DE60123370T2 (de) |
Families Citing this family (69)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3488960B2 (ja) * | 2000-02-18 | 2004-01-19 | スタンレー電気株式会社 | 車両用前照灯 |
EP1195552B1 (de) * | 2000-10-06 | 2008-02-20 | Stanley Electric Co., Ltd. | Scheinwerfer |
DE60123370T2 (de) * | 2000-12-25 | 2007-08-23 | Stanley Electric Co. Ltd. | Fahrzeugscheinwerfer mit einer verstellbaren Blende und einer verstellbaren Reflektorfläche zur Erzeugung eines Abblend- und Fernlichtbündels |
DE60202105T2 (de) * | 2001-08-14 | 2005-12-01 | Stanley Electric Co. Ltd. | Fahrzeugscheinwerfer |
EP1288069B1 (de) * | 2001-08-24 | 2009-12-16 | Stanley Electric Co., Ltd. | Fahrzeugscheinwerfer |
JP3995919B2 (ja) * | 2001-11-08 | 2007-10-24 | 株式会社小糸製作所 | 車両用前照灯 |
FR2839139B1 (fr) * | 2002-04-25 | 2005-01-14 | Valeo Vision | Module d'eclairage elliptique sans cache realisant un faisceau d'eclairage a coupure et projecteur comportant un tel module |
JP2003331617A (ja) | 2002-05-13 | 2003-11-21 | Stanley Electric Co Ltd | 車両用灯具 |
JP4024618B2 (ja) * | 2002-08-09 | 2007-12-19 | 株式会社小糸製作所 | 車両用前照灯 |
JP3916151B2 (ja) * | 2002-12-04 | 2007-05-16 | スタンレー電気株式会社 | 車両用前照灯 |
FR2852082B1 (fr) * | 2003-03-03 | 2006-01-20 | Valeo Vision | Projecteur pour vehicule automobile comportant un cache mobile equipe de moyens d'accrochage |
JP4144381B2 (ja) * | 2003-03-07 | 2008-09-03 | 市光工業株式会社 | ヘッドランプ |
FR2854225B1 (fr) * | 2003-04-25 | 2005-06-17 | Valeo Vision | Module d'eclairage pour projecteur de vehicule |
JP2007511035A (ja) | 2003-07-29 | 2007-04-26 | アルセリック,ツールハン | 眩しさのない連続長距離照明を提供するヘッドランプ |
US7083304B2 (en) * | 2003-08-01 | 2006-08-01 | Illumination Management Solutions, Inc. | Apparatus and method of using light sources of differing wavelengths in an unitized beam |
US7246917B2 (en) * | 2003-08-12 | 2007-07-24 | Illumination Management Solutions, Inc. | Apparatus and method for using emitting diodes (LED) in a side-emitting device |
US7021804B2 (en) * | 2003-08-13 | 2006-04-04 | Guide Corporation | Lamp assembly with multi-stage reflector |
EP1515368B1 (de) * | 2003-09-05 | 2019-12-25 | Nichia Corporation | Lichtausstattung |
CZ299344B6 (cs) | 2003-09-10 | 2008-06-25 | Visteon Glogal Technologies, Inc. | Multifunkcní adaptivní projektorový systém pro motorová vozidla |
CZ299345B6 (cs) | 2003-10-06 | 2008-06-25 | Visteon Global Technologies, Inc. | Variabilní adaptivní projektorový systém pro motorová vozidla |
CN1864027B (zh) * | 2003-10-06 | 2010-08-25 | 照明管理解决方案有限公司 | 使用发光二极管的改良光源和从中采集辐射能量的改良方法 |
FR2861832B1 (fr) * | 2003-10-31 | 2006-12-15 | Valeo Vision | Projecteur pour vehicule automobile comportant une source lumineuse formee par une lampe a decharge |
US7036969B2 (en) * | 2003-12-04 | 2006-05-02 | Guide Corporation | Adverse weather headlamp system |
FR2863342B1 (fr) * | 2003-12-05 | 2007-01-05 | Valeo Vision | Projecteur verticalise pour vehicule automobile |
JP4193713B2 (ja) * | 2004-02-02 | 2008-12-10 | 市光工業株式会社 | ヘッドランプ |
FR2866413B1 (fr) * | 2004-02-13 | 2006-06-30 | Valeo Vision | Projecteur elliptique equipe d'un ecran d'occultation en matiere transparente. |
JP2005251478A (ja) * | 2004-03-02 | 2005-09-15 | Ichikoh Ind Ltd | ヘッドランプ |
US7275846B2 (en) * | 2004-03-12 | 2007-10-02 | General Motors Corporation | Adaptive head light and lens assemblies |
ATE514898T1 (de) * | 2004-03-30 | 2011-07-15 | Illumination Man Solutions Inc | Vorrichtung und verfahren für verbesserte beleuchtungsflächenausfüllung |
CN100465500C (zh) * | 2004-08-05 | 2009-03-04 | 齐俊曌 | 车用前灯装置 |
JP4393971B2 (ja) * | 2004-11-24 | 2010-01-06 | 株式会社小糸製作所 | 車両用照明灯具 |
JP2006156045A (ja) * | 2004-11-26 | 2006-06-15 | Koito Mfg Co Ltd | 車両用前照灯 |
JP4422005B2 (ja) * | 2004-12-03 | 2010-02-24 | 株式会社小糸製作所 | 車両用前照灯 |
FR2883066B1 (fr) * | 2005-03-08 | 2007-05-11 | Valeo Vision Sa | Projecteur lumineux a plusieurs fonctions pour vehicule automobile |
US7891851B2 (en) * | 2005-04-05 | 2011-02-22 | Turhan Alcelik | Headlamp with long-distance illumination without glaring effect |
CZ302547B6 (cs) * | 2005-07-04 | 2011-07-07 | Visteon Global Technologies, Inc. | Systém adaptivního predního osvetlení motorových vozidel |
US7357545B2 (en) * | 2005-08-10 | 2008-04-15 | Visteon Global Technologies, Inc. | Multi-focal lens for bi-functional headlamp |
JP4628264B2 (ja) * | 2005-12-07 | 2011-02-09 | スタンレー電気株式会社 | 車両用前照灯 |
JP4624257B2 (ja) * | 2005-12-28 | 2011-02-02 | 株式会社小糸製作所 | 車両用灯具 |
DE102006007450B4 (de) * | 2006-02-17 | 2016-10-06 | Automotive Lighting Reutlingen Gmbh | Beleuchtungseinrichtung in einem Fahrzeug |
JP4587048B2 (ja) * | 2006-04-17 | 2010-11-24 | スタンレー電気株式会社 | 車両用灯具 |
US7810972B2 (en) * | 2006-10-13 | 2010-10-12 | Visteon Global Technologies, Inc. | Headlamp assembly having an adjustable light beam direction |
FR2911310B1 (fr) * | 2007-01-12 | 2009-04-17 | Valeo Vision Sa | Projecteur lumineux de type bifonction pour vehicule automobile |
JP2008243434A (ja) * | 2007-03-26 | 2008-10-09 | Koito Mfg Co Ltd | 車両用前照灯の灯具ユニット |
JP4695112B2 (ja) * | 2007-03-26 | 2011-06-08 | 株式会社小糸製作所 | 車両用前照灯の灯具ユニット |
FR2919377B1 (fr) * | 2007-07-25 | 2013-08-23 | Valeo Vision | Module optique a source lumineuse transverse pour projecteur automobile |
US7950821B1 (en) * | 2007-10-26 | 2011-05-31 | Georgitsis Anthony C | Auxiliary lighting systems |
JP5199781B2 (ja) * | 2008-08-11 | 2013-05-15 | 株式会社小糸製作所 | 車両用前照灯装置 |
US8439525B2 (en) * | 2008-08-29 | 2013-05-14 | Abl Ip Holding Llc | Luminaires having enhanced light distribution and applications thereof |
US20100053971A1 (en) * | 2008-08-29 | 2010-03-04 | Abl Ip Holding Llc | Asymmetric Lighting Systems and Applications Thereof |
US20100296296A1 (en) * | 2008-10-27 | 2010-11-25 | National Central University | High contrast light pattern projection mechanism |
US20110019424A1 (en) * | 2009-07-27 | 2011-01-27 | Ching-Cherng Sun | High Contrast Light Pattern Projection Mechanism |
JP5321048B2 (ja) * | 2008-12-26 | 2013-10-23 | 市光工業株式会社 | 車両用前照灯 |
JP5345014B2 (ja) * | 2009-08-03 | 2013-11-20 | 株式会社小糸製作所 | 車両用灯具 |
JP5537990B2 (ja) * | 2010-02-24 | 2014-07-02 | スタンレー電気株式会社 | 車両用灯具 |
JP5592183B2 (ja) * | 2010-07-16 | 2014-09-17 | 株式会社小糸製作所 | 車両用灯具 |
JP5719671B2 (ja) * | 2010-11-05 | 2015-05-20 | 株式会社小糸製作所 | 車両用灯具 |
KR20120050271A (ko) * | 2010-11-10 | 2012-05-18 | 기아자동차주식회사 | 차량용 프로젝션 헤드램프 어셈블리 |
FR2987102B1 (fr) * | 2012-02-16 | 2014-03-14 | Valeo Vision | Piece d'un projecteur comprenant un moyen de reflexion a coefficient de reflexion superieur a 90% |
KR101555858B1 (ko) * | 2013-12-17 | 2015-09-25 | 에스엘 주식회사 | 차량용 헤드 램프 |
JP6410341B2 (ja) * | 2014-05-23 | 2018-10-24 | 株式会社小糸製作所 | 車両用前照灯 |
AT516965B1 (de) | 2015-03-25 | 2016-12-15 | Zkw Group Gmbh | Beleuchtungsvorrichtung für Fahrzeugscheinwerfer |
JP6774281B2 (ja) * | 2016-09-21 | 2020-10-21 | 株式会社小糸製作所 | 車両用前照灯 |
JP6867237B2 (ja) * | 2017-06-14 | 2021-04-28 | 株式会社小糸製作所 | 車両用灯具 |
CN110107857B (zh) * | 2019-06-04 | 2024-04-12 | 华域视觉科技(上海)有限公司 | 近光iii区照明模组、车辆前照灯及车辆 |
US11454374B2 (en) | 2019-08-01 | 2022-09-27 | Hyundai Motor Company | Illumination apparatus for mobility |
KR20210016166A (ko) * | 2019-08-01 | 2021-02-15 | 현대자동차주식회사 | 차량용 조명 장치 |
KR102299343B1 (ko) * | 2019-11-04 | 2021-09-08 | 현대자동차주식회사 | 차량의 패턴 스킨 조명 장치 |
JP7221319B2 (ja) * | 2021-03-03 | 2023-02-13 | 本田技研工業株式会社 | ヘッドライト制御システム |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3826988A1 (de) * | 1988-08-09 | 1990-02-15 | Kodak Ag | Fahrzeugscheinwerfer |
DE19526023A1 (de) * | 1995-07-17 | 1997-01-23 | Daimler Benz Ag | Scheinwerfer |
DE19704467B4 (de) * | 1997-02-06 | 2006-07-20 | Automotive Lighting Reutlingen Gmbh | Fahrzeug-Scheinwerfer |
DE19708109A1 (de) | 1997-02-28 | 1998-09-03 | Hella Kg Hueck & Co | Scheinwerfer für Fahrzeuge |
DE19756437A1 (de) * | 1997-12-18 | 1999-06-24 | Bosch Gmbh Robert | Scheinwerfer für Fahrzeuge für Abblendlicht und Fernlicht |
JP3005687B2 (ja) * | 1998-05-28 | 2000-01-31 | スタンレー電気株式会社 | 灯 具 |
AT3450U1 (de) * | 1998-09-28 | 2000-03-27 | Zizala Lichtsysteme Gmbh | Kfz-scheinwerfer |
CZ9901738A3 (cs) * | 1999-05-17 | 2001-01-17 | Autopal, S. R. O. | Projekční světlomet pro motorová vozidla |
JP3488960B2 (ja) | 2000-02-18 | 2004-01-19 | スタンレー電気株式会社 | 車両用前照灯 |
JP2001283618A (ja) * | 2000-03-31 | 2001-10-12 | Stanley Electric Co Ltd | 車両用灯具 |
DE60123370T2 (de) * | 2000-12-25 | 2007-08-23 | Stanley Electric Co. Ltd. | Fahrzeugscheinwerfer mit einer verstellbaren Blende und einer verstellbaren Reflektorfläche zur Erzeugung eines Abblend- und Fernlichtbündels |
-
2001
- 2001-12-21 DE DE60123370T patent/DE60123370T2/de not_active Expired - Lifetime
- 2001-12-21 EP EP01130666A patent/EP1219887B1/de not_active Expired - Lifetime
- 2001-12-26 US US10/025,975 patent/US6543910B2/en not_active Expired - Lifetime
-
2002
- 2002-08-07 US US10/213,378 patent/US6575609B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6575609B2 (en) | 2003-06-10 |
EP1219887A2 (de) | 2002-07-03 |
EP1219887B1 (de) | 2006-09-27 |
US20020186565A1 (en) | 2002-12-12 |
DE60123370T2 (de) | 2007-08-23 |
EP1219887A3 (de) | 2004-02-25 |
US20020089853A1 (en) | 2002-07-11 |
US6543910B2 (en) | 2003-04-08 |
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