SE8900563D0 - A soft-mode liquid crystal device - Google Patents
A soft-mode liquid crystal deviceInfo
- Publication number
- SE8900563D0 SE8900563D0 SE8900563A SE8900563A SE8900563D0 SE 8900563 D0 SE8900563 D0 SE 8900563D0 SE 8900563 A SE8900563 A SE 8900563A SE 8900563 A SE8900563 A SE 8900563A SE 8900563 D0 SE8900563 D0 SE 8900563D0
- Authority
- SE
- Sweden
- Prior art keywords
- liquid crystal
- giving
- modulators
- soft
- chromatic
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/141—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
- G02F1/1418—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals using smectic liquid crystals, e.g. based on the electroclinic effect
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/141—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133365—Cells in which the active layer comprises a liquid crystalline polymer
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
- G02F1/13473—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells for wavelength filtering or for colour display without the use of colour mosaic filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/02—Function characteristic reflective
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8900563A SE8900563D0 (sv) | 1989-02-16 | 1989-02-16 | A soft-mode liquid crystal device |
JP50400090A JP3155549B2 (ja) | 1989-02-16 | 1990-02-16 | 一次電気光学効果を用いる液晶装置 |
DE69029824T DE69029824T2 (de) | 1989-02-16 | 1990-02-16 | Flüssigkristallvorrichtungen unter verwendung eines linearen elektrooptischen effekts |
PCT/SE1990/000109 WO1990009614A1 (en) | 1989-02-16 | 1990-02-16 | Liquid crystal devices using a linear electro-optic effect |
EP90903974A EP0409975B1 (en) | 1989-02-16 | 1990-02-16 | Liquid crystal devices using a linear electro-optic effect |
US08/479,404 US5847790A (en) | 1989-02-16 | 1995-06-07 | Liquid crystal devices using a linear electro-optic effect |
US08/857,860 US6130731A (en) | 1989-02-16 | 1997-05-16 | Liquid crystal devices using a linear electro-optic effect |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8900563A SE8900563D0 (sv) | 1989-02-16 | 1989-02-16 | A soft-mode liquid crystal device |
Publications (1)
Publication Number | Publication Date |
---|---|
SE8900563D0 true SE8900563D0 (sv) | 1989-02-16 |
Family
ID=20375090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8900563A SE8900563D0 (sv) | 1989-02-16 | 1989-02-16 | A soft-mode liquid crystal device |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0409975B1 (ja) |
JP (1) | JP3155549B2 (ja) |
DE (1) | DE69029824T2 (ja) |
SE (1) | SE8900563D0 (ja) |
WO (1) | WO1990009614A1 (ja) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5231521A (en) * | 1989-10-30 | 1993-07-27 | The University Of Colorado Foundation, Inc. | Chiral smectic liquid crystal polarization interference filters |
WO1991006888A1 (en) * | 1989-10-30 | 1991-05-16 | The University Of Colorado Foundation, Inc. | Ferroelectric liquid crystal tunable filters and color generation |
US5469279A (en) * | 1989-10-30 | 1995-11-21 | The University Of Colorado Foundation, Inc. | Chiral smectic liquid crystal multipass optical filters including a variable retarder (and a variable isotropic spacer) |
US5528393A (en) * | 1989-10-30 | 1996-06-18 | Regents Of The University Of Colorado | Split-element liquid crystal tunable optical filter |
US5381253A (en) * | 1991-11-14 | 1995-01-10 | Board Of Regents Of University Of Colorado | Chiral smectic liquid crystal optical modulators having variable retardation |
US5243455A (en) * | 1990-05-11 | 1993-09-07 | The University Of Colorado Foundation, Inc. | Chiral smectic liquid crystal polarization interference filters |
US5552912A (en) * | 1991-11-14 | 1996-09-03 | Board Of Regents Of The University Of Colorado | Chiral smectic liquid crystal optical modulators |
US5377026A (en) * | 1992-09-02 | 1994-12-27 | Liu; Jian-Yu | Modulator using the linear electro-optic effect of liquid crystals |
DE4313344A1 (de) * | 1993-04-23 | 1994-11-03 | Roch Pierre Ets | Kapazitive Meßeinrichtung |
US5589966A (en) * | 1993-05-11 | 1996-12-31 | Mitsui Petrochemical Industries, Ltd. | Antiferroelectric liquid crystal light modulation device |
GB9322948D0 (en) * | 1993-11-08 | 1994-01-05 | Varintelligent Bvi Ltd | Liquid crystal display |
WO1995015513A1 (en) * | 1993-11-30 | 1995-06-08 | Isis Innovation Limited | Improvements relating to spatial light modulators |
AU3477395A (en) * | 1994-09-08 | 1996-03-27 | British Telecommunications Public Limited Company | Polarisation modulation |
US6078374A (en) * | 1995-04-07 | 2000-06-20 | Colorlink, Inc. | Spatially switched achromatic compound retarder |
US6882384B1 (en) | 1995-05-23 | 2005-04-19 | Colorlink, Inc. | Color filters and sequencers using color selective light modulators |
US5658490A (en) * | 1995-04-07 | 1997-08-19 | Board Of Regents Of The University Of Colorado | Liquid crystal achromatic compound retarder |
US6707516B1 (en) | 1995-05-23 | 2004-03-16 | Colorlink, Inc. | Single-panel field-sequential color display systems |
US5751384A (en) | 1995-05-23 | 1998-05-12 | The Board Of Regents Of The University Of Colorado | Color polarizers for polarizing an additive color spectrum along a first axis and it's compliment along a second axis |
US5822021A (en) * | 1996-05-14 | 1998-10-13 | Colorlink, Inc. | Color shutter liquid crystal display system |
US6380997B1 (en) | 1995-04-07 | 2002-04-30 | Colorlink, Inc. | Achromatic polarization inverters for displaying inverse frames in DC balanced liquid crystal displays |
US6049367A (en) * | 1995-05-23 | 2000-04-11 | Colorlink, Inc. | Polarization manipulating device modulator with retarder stack which preconditions light for modulation and isotropic states |
US5929946A (en) * | 1995-05-23 | 1999-07-27 | Colorlink, Inc. | Retarder stack for preconditioning light for a modulator having modulation and isotropic states of polarization |
US6417892B1 (en) | 1995-05-23 | 2002-07-09 | Colorlink, Inc. | Color filters, sequencers and displays using color selective light modulators |
US5870159A (en) * | 1995-10-30 | 1999-02-09 | Kaj | Switchable achromatic polarization rotator |
US6141071A (en) * | 1995-10-30 | 2000-10-31 | Colorlink, Inc. | Switchable achromatic polarization rotator |
GB2314641A (en) * | 1996-06-26 | 1998-01-07 | Sharp Kk | Liquid crystal devices |
GB2314640A (en) * | 1996-06-26 | 1998-01-07 | Sharp Kk | Liquid crystal devices |
US5892559A (en) * | 1996-11-25 | 1999-04-06 | Colorlink, Inc. | Chromaticity compensating liquid crystal filter |
DE19833330C2 (de) * | 1998-07-24 | 2001-03-15 | Deutsche Telekom Ag | Quantenkryptographiesystem zur gesicherten Übertragung zufälliger Schlüssel unter Verwendung des Polarisationsstellverfahrens |
GB2356462A (en) * | 1999-11-16 | 2001-05-23 | Sharp Kk | Optical properties of spacers in liquid crystal devices |
JP4618469B2 (ja) * | 2000-12-27 | 2011-01-26 | ソニー株式会社 | 画像分離装置 |
WO2005106576A1 (ja) | 2004-04-30 | 2005-11-10 | Fujitsu Limited | 液晶表示装置 |
WO2011039286A1 (de) * | 2009-09-29 | 2011-04-07 | Seereal Technologies S.A. | Lichtmodulator für ein display zur darstellung zwei- und/oder dreidimensionaler bildinhalte |
JP2011039532A (ja) * | 2010-09-13 | 2011-02-24 | Sony Corp | 画像分離装置 |
KR101814118B1 (ko) * | 2016-05-20 | 2018-01-02 | 김경옥 | 아이스크림 제조장치 |
US10437082B2 (en) * | 2017-12-28 | 2019-10-08 | Tetravue, Inc. | Wide field of view electro-optic modulator and methods and systems of manufacturing and using same |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59129837A (ja) * | 1983-01-14 | 1984-07-26 | Canon Inc | 時分割電圧印加方法及び装置 |
JPS6152630A (ja) * | 1984-08-22 | 1986-03-15 | Hitachi Ltd | 液晶素子の駆動方法 |
-
1989
- 1989-02-16 SE SE8900563A patent/SE8900563D0/xx unknown
-
1990
- 1990-02-16 DE DE69029824T patent/DE69029824T2/de not_active Expired - Fee Related
- 1990-02-16 WO PCT/SE1990/000109 patent/WO1990009614A1/en active IP Right Grant
- 1990-02-16 EP EP90903974A patent/EP0409975B1/en not_active Expired - Lifetime
- 1990-02-16 JP JP50400090A patent/JP3155549B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0409975A1 (en) | 1991-01-30 |
EP0409975B1 (en) | 1997-01-29 |
JP3155549B2 (ja) | 2001-04-09 |
DE69029824T2 (de) | 1997-09-04 |
WO1990009614A1 (en) | 1990-08-23 |
DE69029824D1 (de) | 1997-03-13 |
JPH03505013A (ja) | 1991-10-31 |
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