JPH10186233A - 画素化パネル用小型ズーム投射レンズ - Google Patents
画素化パネル用小型ズーム投射レンズInfo
- Publication number
- JPH10186233A JPH10186233A JP9221637A JP22163797A JPH10186233A JP H10186233 A JPH10186233 A JP H10186233A JP 9221637 A JP9221637 A JP 9221637A JP 22163797 A JP22163797 A JP 22163797A JP H10186233 A JPH10186233 A JP H10186233A
- Authority
- JP
- Japan
- Prior art keywords
- projection lens
- lens
- image
- range
- focusing
- 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.)
- Pending
Links
- 239000004033 plastic Substances 0.000 claims description 35
- 229920003023 plastic Polymers 0.000 claims description 35
- 230000004075 alteration Effects 0.000 claims description 30
- 230000008859 change Effects 0.000 claims description 29
- 238000005286 illumination Methods 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 10
- 210000001747 pupil Anatomy 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 2
- 238000012937 correction Methods 0.000 abstract description 22
- 230000021615 conjugation Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
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- 238000009413 insulation Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000005308 flint glass Substances 0.000 description 2
- 125000001475 halogen functional group Chemical group 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000005331 crown glasses (windows) Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- -1 tungsten halogen Chemical class 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/142—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/143—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only
- G02B15/1431—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being positive
- G02B15/143103—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being positive arranged ++-
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/143—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only
- G02B15/1431—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being positive
- G02B15/143105—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being positive arranged +-+
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
- G02B15/1441—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive
- G02B15/144111—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive arranged ++-+
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
- G02B15/1441—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive
- G02B15/144113—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive arranged +-++
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Lenses (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2408396P | 1996-08-16 | 1996-08-16 | |
| US3726697P | 1997-01-31 | 1997-01-31 | |
| US024083 | 1997-01-31 | ||
| US037266 | 1997-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10186233A true JPH10186233A (ja) | 1998-07-14 |
| JPH10186233A5 JPH10186233A5 (enExample) | 2005-06-02 |
Family
ID=26698017
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9221637A Pending JPH10186233A (ja) | 1996-08-16 | 1997-08-18 | 画素化パネル用小型ズーム投射レンズ |
| JP9221636A Pending JPH10186232A (ja) | 1996-08-16 | 1997-08-18 | 投影レンズおよび投影レンズシステム |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9221636A Pending JPH10186232A (ja) | 1996-08-16 | 1997-08-18 | 投影レンズおよび投影レンズシステム |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US6023375A (enExample) |
| EP (1) | EP0825474B1 (enExample) |
| JP (2) | JPH10186233A (enExample) |
| KR (1) | KR100465100B1 (enExample) |
| CN (2) | CN1147753C (enExample) |
| DE (1) | DE69726352T2 (enExample) |
Families Citing this family (70)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6094311A (en) * | 1996-04-29 | 2000-07-25 | U.S. Precision Lens Inc. | LCD projection lens |
| US5870228A (en) * | 1996-05-24 | 1999-02-09 | U.S. Precision Lens Inc. | Projection lenses having larger back focal length to focal length ratios |
| US6084719A (en) * | 1997-08-29 | 2000-07-04 | Canon Kabushiki Kaisha | Projection lens |
| WO1999026090A1 (en) * | 1997-11-13 | 1999-05-27 | U.S. Precision Lens Incorporated | Wide field of view projection lenses for compact projection lens systems employing pixelized panels |
| EP1090314A4 (en) * | 1998-06-24 | 2006-02-08 | 3M Innovative Properties Co | LENS SYSTEM FOR TELEVISION PROJECTION DEVICE WITH AN IMPROVED MODULATION TRANSMISSION FUNCTION |
| US6301057B1 (en) | 1999-02-02 | 2001-10-09 | Corning Precision Lens | Long focal length projection lenses |
| US6195209B1 (en) | 1999-05-04 | 2001-02-27 | U.S. Precision Lens Incorporated | Projection lenses having reduced lateral color for use with pixelized panels |
| EP1054280A3 (en) * | 1999-05-20 | 2004-08-18 | Konica Corporation | Zoom lens |
| US6476974B1 (en) | 2001-02-28 | 2002-11-05 | Corning Precision Lens Incorporated | Projection lenses for use with reflective pixelized panels |
| US7002753B2 (en) * | 2004-06-02 | 2006-02-21 | 3M Innovative Properties Company | Color-corrected projection lenses for use with pixelized panels |
| US7259801B2 (en) * | 2004-06-02 | 2007-08-21 | 3M Innovative Properties Company | Large-panel table-top rear projection television |
| US7009777B2 (en) * | 2004-06-02 | 2006-03-07 | 3M Innovative Properties Company | Compact projection lenses for use with large format pixelized panels |
| GB0522968D0 (en) | 2005-11-11 | 2005-12-21 | Popovich Milan M | Holographic illumination device |
| GB0718706D0 (en) | 2007-09-25 | 2007-11-07 | Creative Physics Ltd | Method and apparatus for reducing laser speckle |
| CN101581823B (zh) * | 2008-05-13 | 2011-03-02 | 比亚迪股份有限公司 | 一种投影机镜头 |
| US9335604B2 (en) | 2013-12-11 | 2016-05-10 | Milan Momcilo Popovich | Holographic waveguide display |
| US11726332B2 (en) | 2009-04-27 | 2023-08-15 | Digilens Inc. | Diffractive projection apparatus |
| US11204540B2 (en) | 2009-10-09 | 2021-12-21 | Digilens Inc. | Diffractive waveguide providing a retinal image |
| US8817392B2 (en) | 2010-06-24 | 2014-08-26 | Bae Systems Information And Electronic Systems Integration Inc. | Wide field athermalized orthoscopic lens system |
| US9274349B2 (en) | 2011-04-07 | 2016-03-01 | Digilens Inc. | Laser despeckler based on angular diversity |
| DE102011051120B9 (de) * | 2011-06-16 | 2012-08-30 | Jos. Schneider Optische Werke Gmbh | Kamera-Objektiv |
| WO2016020630A2 (en) | 2014-08-08 | 2016-02-11 | Milan Momcilo Popovich | Waveguide laser illuminator incorporating a despeckler |
| US10670876B2 (en) | 2011-08-24 | 2020-06-02 | Digilens Inc. | Waveguide laser illuminator incorporating a despeckler |
| EP2748670B1 (en) | 2011-08-24 | 2015-11-18 | Rockwell Collins, Inc. | Wearable data display |
| WO2013102759A2 (en) | 2012-01-06 | 2013-07-11 | Milan Momcilo Popovich | Contact image sensor using switchable bragg gratings |
| WO2013163347A1 (en) | 2012-04-25 | 2013-10-31 | Rockwell Collins, Inc. | Holographic wide angle display |
| WO2013167864A1 (en) | 2012-05-11 | 2013-11-14 | Milan Momcilo Popovich | Apparatus for eye tracking |
| US9933684B2 (en) | 2012-11-16 | 2018-04-03 | Rockwell Collins, Inc. | Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration |
| US10209517B2 (en) | 2013-05-20 | 2019-02-19 | Digilens, Inc. | Holographic waveguide eye tracker |
| WO2015015138A1 (en) | 2013-07-31 | 2015-02-05 | Milan Momcilo Popovich | Method and apparatus for contact image sensing |
| WO2016020632A1 (en) | 2014-08-08 | 2016-02-11 | Milan Momcilo Popovich | Method for holographic mastering and replication |
| WO2016042283A1 (en) | 2014-09-19 | 2016-03-24 | Milan Momcilo Popovich | Method and apparatus for generating input images for holographic waveguide displays |
| EP3198192A1 (en) | 2014-09-26 | 2017-08-02 | Milan Momcilo Popovich | Holographic waveguide opticaltracker |
| EP3245444B1 (en) | 2015-01-12 | 2021-09-08 | DigiLens Inc. | Environmentally isolated waveguide display |
| WO2016113533A2 (en) | 2015-01-12 | 2016-07-21 | Milan Momcilo Popovich | Holographic waveguide light field displays |
| WO2016116733A1 (en) | 2015-01-20 | 2016-07-28 | Milan Momcilo Popovich | Holographic waveguide lidar |
| US9632226B2 (en) | 2015-02-12 | 2017-04-25 | Digilens Inc. | Waveguide grating device |
| US10459145B2 (en) | 2015-03-16 | 2019-10-29 | Digilens Inc. | Waveguide device incorporating a light pipe |
| US10591756B2 (en) | 2015-03-31 | 2020-03-17 | Digilens Inc. | Method and apparatus for contact image sensing |
| CN113759555B (zh) | 2015-10-05 | 2024-09-20 | 迪吉伦斯公司 | 波导显示器 |
| US11073677B2 (en) * | 2015-10-22 | 2021-07-27 | Ams Sensors Singapore Pte. Ltd. | Athermal optical assembly |
| WO2017134412A1 (en) | 2016-02-04 | 2017-08-10 | Milan Momcilo Popovich | Holographic waveguide optical tracker |
| JP6895451B2 (ja) | 2016-03-24 | 2021-06-30 | ディジレンズ インコーポレイテッド | 偏光選択ホログラフィー導波管デバイスを提供するための方法および装置 |
| CN109154717B (zh) | 2016-04-11 | 2022-05-13 | 迪吉伦斯公司 | 用于结构光投射的全息波导设备 |
| WO2018102834A2 (en) | 2016-12-02 | 2018-06-07 | Digilens, Inc. | Waveguide device with uniform output illumination |
| WO2018129398A1 (en) | 2017-01-05 | 2018-07-12 | Digilens, Inc. | Wearable heads up displays |
| CN107357027B (zh) * | 2017-07-17 | 2019-09-24 | 北京交通大学 | 一种耦合成像光学系统 |
| WO2019079350A2 (en) | 2017-10-16 | 2019-04-25 | Digilens, Inc. | SYSTEMS AND METHODS FOR MULTIPLYING THE IMAGE RESOLUTION OF A PIXÉLISÉ DISPLAY |
| JP7135298B2 (ja) * | 2017-10-27 | 2022-09-13 | 株式会社リコー | 投射光学系、画像投射装置 |
| CN111684362B (zh) | 2018-01-08 | 2022-03-25 | 迪吉伦斯公司 | 用于制造光学波导的方法 |
| WO2019136476A1 (en) | 2018-01-08 | 2019-07-11 | Digilens, Inc. | Waveguide architectures and related methods of manufacturing |
| WO2019135837A1 (en) | 2018-01-08 | 2019-07-11 | Digilens, Inc. | Systems and methods for manufacturing waveguide cells |
| WO2019135796A1 (en) | 2018-01-08 | 2019-07-11 | Digilens, Inc. | Systems and methods for high-throughput recording of holographic gratings in waveguide cells |
| WO2019178614A1 (en) | 2018-03-16 | 2019-09-19 | Digilens Inc. | Holographic waveguides incorporating birefringence control and methods for their fabrication |
| US11402801B2 (en) | 2018-07-25 | 2022-08-02 | Digilens Inc. | Systems and methods for fabricating a multilayer optical structure |
| US10782509B2 (en) | 2018-09-14 | 2020-09-22 | Bae Systems Information And Electronic Systems Integration Inc. | Orthoscopic projection lens |
| US20200225471A1 (en) | 2019-01-14 | 2020-07-16 | Digilens Inc. | Holographic Waveguide Display with Light Control Layer |
| WO2020163524A1 (en) | 2019-02-05 | 2020-08-13 | Digilens Inc. | Methods for compensating for optical surface nonuniformity |
| US20220283377A1 (en) | 2019-02-15 | 2022-09-08 | Digilens Inc. | Wide Angle Waveguide Display |
| CN113692544B (zh) | 2019-02-15 | 2025-04-22 | 迪吉伦斯公司 | 使用集成光栅提供全息波导显示的方法和装置 |
| EP3938821A4 (en) | 2019-03-12 | 2023-04-26 | Digilens Inc. | HOLOGRAPHIC WAVEGUIDE BACKLIGHT AND RELATED METHODS OF MANUFACTURE |
| KR20220016990A (ko) | 2019-06-07 | 2022-02-10 | 디지렌즈 인코포레이티드. | 투과 및 반사 격자를 통합하는 도파관 및 관련 제조 방법 |
| US11681143B2 (en) | 2019-07-29 | 2023-06-20 | Digilens Inc. | Methods and apparatus for multiplying the image resolution and field-of-view of a pixelated display |
| KR20250030038A (ko) | 2019-08-29 | 2025-03-05 | 디지렌즈 인코포레이티드. | 진공 격자 및 이의 제조 방법 |
| CN111427139B (zh) * | 2020-05-08 | 2024-12-17 | 深圳市雷影光电科技有限公司 | 内合焦式成像镜头 |
| WO2021230218A1 (ja) * | 2020-05-12 | 2021-11-18 | 株式会社nittoh | レンズシステムおよびプロジェクタ |
| WO2022140763A1 (en) | 2020-12-21 | 2022-06-30 | Digilens Inc. | Eye glow suppression in waveguide based displays |
| WO2022150841A1 (en) | 2021-01-07 | 2022-07-14 | Digilens Inc. | Grating structures for color waveguides |
| KR20230153459A (ko) | 2021-03-05 | 2023-11-06 | 디지렌즈 인코포레이티드. | 진공 주기적 구조체 및 제조 방법 |
| CN114578515B (zh) * | 2022-03-10 | 2023-08-08 | 江西晶超光学有限公司 | 光学镜头、摄像模组及电子设备 |
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| US5659424A (en) * | 1993-05-25 | 1997-08-19 | Hitachi, Ltd. | Projecting lens and image display device |
| JPH06347695A (ja) * | 1993-06-14 | 1994-12-22 | Nikon Corp | 投影レンズ |
| US5329363A (en) * | 1993-06-15 | 1994-07-12 | U. S. Precision Lens Incorporated | Projection lens systems having reduced spherochromatism |
| US5455713A (en) * | 1993-06-23 | 1995-10-03 | Kreitzer; Melvyn H. | High performance, thermally-stabilized projection television lens systems |
| US5625495A (en) * | 1994-12-07 | 1997-04-29 | U.S. Precision Lens Inc. | Telecentric lens systems for forming an image of an object composed of pixels |
| JP3394107B2 (ja) * | 1995-01-19 | 2003-04-07 | 三菱電機株式会社 | ズームレンズ及び投写型表示装置 |
| DE69629257T2 (de) * | 1995-09-21 | 2004-04-22 | 3M Innovative Properties Co., St. Paul | Linsensystem für Fernsehprojektionsvorrichtung |
| JPH09304694A (ja) * | 1995-11-07 | 1997-11-28 | Nikon Corp | 投射レンズ系及びそれを備えた投射装置 |
| US6094311A (en) * | 1996-04-29 | 2000-07-25 | U.S. Precision Lens Inc. | LCD projection lens |
-
1997
- 1997-08-08 EP EP97113714A patent/EP0825474B1/en not_active Expired - Lifetime
- 1997-08-08 DE DE69726352T patent/DE69726352T2/de not_active Expired - Fee Related
- 1997-08-11 US US08/908,115 patent/US6023375A/en not_active Expired - Lifetime
- 1997-08-11 US US08/908,118 patent/US5900989A/en not_active Expired - Lifetime
- 1997-08-15 CN CNB97117606XA patent/CN1147753C/zh not_active Expired - Fee Related
- 1997-08-15 CN CNB971176094A patent/CN1153995C/zh not_active Expired - Fee Related
- 1997-08-16 KR KR1019970039083A patent/KR100465100B1/ko not_active Expired - Fee Related
- 1997-08-18 JP JP9221637A patent/JPH10186233A/ja active Pending
- 1997-08-18 JP JP9221636A patent/JPH10186232A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN1177115A (zh) | 1998-03-25 |
| EP0825474A2 (en) | 1998-02-25 |
| CN1147753C (zh) | 2004-04-28 |
| KR19980018720A (ko) | 1998-06-05 |
| US5900989A (en) | 1999-05-04 |
| US6023375A (en) | 2000-02-08 |
| EP0825474A3 (en) | 1998-10-28 |
| KR100465100B1 (ko) | 2005-06-13 |
| CN1186254A (zh) | 1998-07-01 |
| DE69726352T2 (de) | 2004-09-09 |
| CN1153995C (zh) | 2004-06-16 |
| DE69726352D1 (de) | 2004-01-08 |
| JPH10186232A (ja) | 1998-07-14 |
| EP0825474B1 (en) | 2003-11-26 |
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