CA2318425A1 - Modulating retroreflective article - Google Patents
Modulating retroreflective article Download PDFInfo
- Publication number
- CA2318425A1 CA2318425A1 CA002318425A CA2318425A CA2318425A1 CA 2318425 A1 CA2318425 A1 CA 2318425A1 CA 002318425 A CA002318425 A CA 002318425A CA 2318425 A CA2318425 A CA 2318425A CA 2318425 A1 CA2318425 A1 CA 2318425A1
- Authority
- CA
- Canada
- Prior art keywords
- areas
- retroreflective
- light
- front surface
- article
- 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.)
- Abandoned
Links
- 238000000926 separation method Methods 0.000 claims abstract description 104
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000003086 colorant Substances 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims description 34
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract description 6
- 238000013459 approach Methods 0.000 description 30
- 230000000694 effects Effects 0.000 description 16
- 239000011230 binding agent Substances 0.000 description 14
- 239000011324 bead Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 230000008859 change Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000010287 polarization Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229920006397 acrylic thermoplastic Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 241000208202 Linaceae Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 229920003182 Surlyn® Polymers 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
- G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
- B44F1/04—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces after passage through surface layers, e.g. pictures with mirrors on the back
- B44F1/045—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces after passage through surface layers, e.g. pictures with mirrors on the back having mirrors or metallic or reflective layers at the back side
-
- 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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/019,108 US6045230A (en) | 1998-02-05 | 1998-02-05 | Modulating retroreflective article |
| US09/019108 | 1998-02-05 | ||
| PCT/US1998/009523 WO1999040462A1 (en) | 1998-02-05 | 1998-06-03 | Modulating retroreflective article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2318425A1 true CA2318425A1 (en) | 1999-08-12 |
Family
ID=21791488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002318425A Abandoned CA2318425A1 (en) | 1998-02-05 | 1998-06-03 | Modulating retroreflective article |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6045230A (enExample) |
| EP (3) | EP1712933A1 (enExample) |
| JP (1) | JP4146084B2 (enExample) |
| KR (1) | KR100558109B1 (enExample) |
| CN (1) | CN1135406C (enExample) |
| AU (1) | AU7796098A (enExample) |
| CA (1) | CA2318425A1 (enExample) |
| DE (2) | DE69829507T2 (enExample) |
| TW (1) | TW425532B (enExample) |
| WO (1) | WO1999040462A1 (enExample) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6282026B1 (en) | 1998-02-05 | 2001-08-28 | 3M Innovative Properties Company | Retroreflectors having two optical surfaces and varying retroreflectivity |
| US6987590B2 (en) * | 2003-09-18 | 2006-01-17 | Jds Uniphase Corporation | Patterned reflective optical structures |
| US7047883B2 (en) | 2002-07-15 | 2006-05-23 | Jds Uniphase Corporation | Method and apparatus for orienting magnetic flakes |
| US7667895B2 (en) * | 1999-07-08 | 2010-02-23 | Jds Uniphase Corporation | Patterned structures with optically variable effects |
| US20070195392A1 (en) * | 1999-07-08 | 2007-08-23 | Jds Uniphase Corporation | Adhesive Chromagram And Method Of Forming Thereof |
| US6761959B1 (en) * | 1999-07-08 | 2004-07-13 | Flex Products, Inc. | Diffractive surfaces with color shifting backgrounds |
| US11768321B2 (en) | 2000-01-21 | 2023-09-26 | Viavi Solutions Inc. | Optically variable security devices |
| ES2462369T3 (es) * | 2000-01-21 | 2014-05-22 | Jds Uniphase Corporation | Dispositivos de seguridad ópticamente variables |
| JP4053260B2 (ja) * | 2000-10-18 | 2008-02-27 | シャープ株式会社 | 有機エレクトロルミネッセンス表示素子 |
| US6931665B2 (en) | 2001-07-30 | 2005-08-23 | 3M Innovative Properties Company | Vapor permeable retroreflective garment |
| US6692830B2 (en) * | 2001-07-31 | 2004-02-17 | Flex Products, Inc. | Diffractive pigment flakes and compositions |
| US6749936B2 (en) | 2001-12-20 | 2004-06-15 | Flex Products, Inc. | Achromatic multilayer diffractive pigments and foils |
| US6841238B2 (en) | 2002-04-05 | 2005-01-11 | Flex Products, Inc. | Chromatic diffractive pigments and foils |
| US7625632B2 (en) * | 2002-07-15 | 2009-12-01 | Jds Uniphase Corporation | Alignable diffractive pigment flakes and method and apparatus for alignment and images formed therefrom |
| US20100208351A1 (en) * | 2002-07-15 | 2010-08-19 | Nofi Michael R | Selective and oriented assembly of platelet materials and functional additives |
| US11230127B2 (en) | 2002-07-15 | 2022-01-25 | Viavi Solutions Inc. | Method and apparatus for orienting magnetic flakes |
| US7934451B2 (en) | 2002-07-15 | 2011-05-03 | Jds Uniphase Corporation | Apparatus for orienting magnetic flakes |
| US7674501B2 (en) * | 2002-09-13 | 2010-03-09 | Jds Uniphase Corporation | Two-step method of coating an article for security printing by application of electric or magnetic field |
| US9458324B2 (en) | 2002-09-13 | 2016-10-04 | Viava Solutions Inc. | Flakes with undulate borders and method of forming thereof |
| US9164575B2 (en) * | 2002-09-13 | 2015-10-20 | Jds Uniphase Corporation | Provision of frames or borders around pigment flakes for covert security applications |
| US8025952B2 (en) * | 2002-09-13 | 2011-09-27 | Jds Uniphase Corporation | Printed magnetic ink overt security image |
| US7645510B2 (en) * | 2002-09-13 | 2010-01-12 | Jds Uniphase Corporation | Provision of frames or borders around opaque flakes for covert security applications |
| US7550197B2 (en) * | 2003-08-14 | 2009-06-23 | Jds Uniphase Corporation | Non-toxic flakes for authentication of pharmaceutical articles |
| TWI402106B (zh) | 2005-04-06 | 2013-07-21 | Jds Uniphase Corp | 印記於含有可印記菲涅耳結構之成型磁場中之動態外觀變化光學裝置（ｄａｃｏｄ） |
| AU2006202315B2 (en) * | 2005-06-17 | 2011-01-27 | Viavi Solutions Inc. | Covert security coating |
| CA2564764C (en) | 2005-10-25 | 2014-05-13 | Jds Uniphase Corporation | Patterned optical structures with enhanced security feature |
| DE602006006091D1 (de) * | 2005-10-27 | 2009-05-14 | Avery Dennison Corp | Fluoreszierender artikel mit mehreren lagen |
| CA2570965A1 (en) * | 2005-12-15 | 2007-06-15 | Jds Uniphase Corporation | Security device with metameric features using diffractive pigment flakes |
| US12204120B2 (en) | 2006-03-06 | 2025-01-21 | Viavi Solutions Inc. | Optically variable security devices |
| TWI437059B (zh) * | 2006-07-12 | 2014-05-11 | Jds Uniphase Corp | 壓印一經硬化及場配向之特效薄片之塗層及藉此形成之圖像 |
| USD594664S1 (en) | 2006-08-02 | 2009-06-23 | 3M Innovative Properties Company | Retroreflective article |
| US20080101759A1 (en) * | 2006-10-26 | 2008-05-01 | K Laser Technology, Inc. | Prism matrix with random phase structures |
| KR20090067654A (ko) * | 2007-12-21 | 2009-06-25 | 김봉주 | 재귀반사소자 및 이를 구비한 재귀반사체 |
| JP2009193069A (ja) | 2008-02-13 | 2009-08-27 | Jds Uniphase Corp | 光学的な特殊効果フレークを含むレーザ印刷用の媒体 |
| DE102008016813B4 (de) | 2008-04-01 | 2021-08-12 | Tesa Scribos Gmbh | Holographischer Datenspeicher |
| US8425059B2 (en) | 2009-12-01 | 2013-04-23 | The Boeing Company | Low power retro-reflective communications system and method |
| USD665584S1 (en) * | 2010-03-05 | 2012-08-21 | Orafol Europe Gmbh | Retro-reflective sheeting with a corner cube surface pattern having angular corner cube circular regions |
| WO2012166462A2 (en) | 2011-05-31 | 2012-12-06 | 3M Innovative Properties Company | Method for making microstructured tools having interspersed topographies, and articles produced therefrom |
| SG195168A1 (en) | 2011-05-31 | 2013-12-30 | 3M Innovative Properties Co | Methods for making differentially pattern cured microstructured articles |
| MX340221B (es) | 2012-01-12 | 2016-07-01 | Viavi Solutions Inc | Articulo con patrones curvos formados de hojuelas de pigmento alineadas. |
| IN2014DN06615A (enExample) * | 2012-02-06 | 2015-05-22 | Avery Dennison Corp | |
| KR102200725B1 (ko) * | 2014-06-16 | 2021-01-12 | 미래나노텍(주) | 시트 성형용 몰드 제조 방법 및 시트 성형용 몰드 및 재귀반사 시트 |
| JP6405462B2 (ja) * | 2015-06-12 | 2018-10-17 | 日本カーバイド工業株式会社 | 画像表示装置 |
| WO2017156448A1 (en) * | 2016-03-11 | 2017-09-14 | Mirraviz, Inc. | Customized reflection profiles for retro-reflective display system optimization |
| WO2018097840A1 (en) * | 2016-11-22 | 2018-05-31 | 3M Innovative Properties Company | Spectrally selective retroreflective system |
| WO2018151759A1 (en) | 2017-02-20 | 2018-08-23 | 3M Innovative Properties Company | Optical articles and systems interacting with the same |
| US10723299B2 (en) | 2017-05-18 | 2020-07-28 | Srg Global Inc. | Vehicle body components comprising retroreflectors and their methods of manufacture |
| CN111247460A (zh) * | 2017-08-29 | 2020-06-05 | 艾利丹尼森公司 | 用于基于投影机的显示系统的回射片 |
| US11001979B2 (en) | 2018-08-13 | 2021-05-11 | Vergence Automation, Inc. | Methods and apparatus for ultrawide entrance angle reflective articles for use with autonomous vehicle machine vision systems |
| US11762133B1 (en) | 2018-09-13 | 2023-09-19 | Vergence Automation, Inc. | Retroreflective materials and articles incorporating near-ideal total internal retroreflective elements |
| WO2021137644A1 (ko) * | 2019-12-31 | 2021-07-08 | 미래나노텍글로벌(주) | 재귀 반사 시트 및 이를 이용한 차량용 번호판 |
| IL304817A (en) * | 2023-07-28 | 2025-02-01 | Wi Charge Ltd | Aberrated retroreflector for wireless power applications |
Family Cites Families (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US752429A (en) * | 1904-02-16 | Prismatic illuminating structure | ||
| GB190908324A (en) * | 1908-10-14 | 1909-09-30 | Otis Angelo Mygatt | Improved Glassware. |
| US1128979A (en) * | 1912-06-01 | 1915-02-16 | Walter Hess | Stereoscopic picture. |
| US1475430A (en) * | 1922-02-27 | 1923-11-27 | Curwen John Spedding | Advertising device or toy |
| US1792731A (en) * | 1929-08-07 | 1931-02-17 | Richard M Craig | Display apparatus |
| US1987357A (en) * | 1932-01-08 | 1935-01-08 | William V Bergen | Reflector |
| GB423464A (en) * | 1932-12-31 | 1935-02-01 | Gustave Leray | Improvements in light reflectors |
| GB441319A (en) * | 1933-12-21 | 1936-01-16 | Gustave Leray | Improvements in or relating to light reflectors |
| US2268351A (en) * | 1938-08-25 | 1941-12-30 | Tanaka Nawokich | Means for presenting pictures in apparent three dimensions |
| US2432896A (en) * | 1945-03-12 | 1947-12-16 | Hotchner Fred | Retroreflective animation display |
| US3085473A (en) * | 1957-07-10 | 1963-04-16 | Saint Gobain | Sheets, bricks, blocks or similar articles made of transparent material, especially glass |
| US3085474A (en) * | 1957-07-10 | 1963-04-16 | Saint Gobain | Articles made of a transparent material such as glass sheets, bricks or blocks, and having variable transparency or coloration |
| US3712706A (en) * | 1971-01-04 | 1973-01-23 | American Cyanamid Co | Retroreflective surface |
| GB1422780A (en) * | 1972-04-14 | 1976-01-28 | Ass Eng Ltd | Retro-reflectors |
| US3830682A (en) * | 1972-11-06 | 1974-08-20 | Rowland Dev Corp | Retroreflecting signs and the like with novel day-night coloration |
| US3926402A (en) * | 1973-04-24 | 1975-12-16 | Amerace Corp | Pin having nonaligned cube axis and pin axis and bundle of such pins |
| US3877786A (en) * | 1973-06-28 | 1975-04-15 | Yankee Artists | Multicolored reflective article and its manufacture |
| US3975083A (en) * | 1974-07-24 | 1976-08-17 | Reflexite Corporation | Wide angle retroreflector assembly and method of making same |
| US4012115A (en) * | 1975-07-10 | 1977-03-15 | Qantix Corporation | Sawtooth shaped front screen |
| US4025159A (en) * | 1976-02-17 | 1977-05-24 | Minnesota Mining And Manufacturing Company | Cellular retroreflective sheeting |
| US4349598A (en) * | 1976-12-01 | 1982-09-14 | Minnesota Mining And Manufacturing Company | High incidence angle retroreflective material |
| US4576850A (en) * | 1978-07-20 | 1986-03-18 | Minnesota Mining And Manufacturing Company | Shaped plastic articles having replicated microstructure surfaces |
| US4582885A (en) * | 1978-07-20 | 1986-04-15 | Minnesota Mining And Manufacturing Company | Shaped plastic articles having replicated microstructure surfaces |
| US4668558A (en) * | 1978-07-20 | 1987-05-26 | Minnesota Mining And Manufacturing Company | Shaped plastic articles having replicated microstructure surfaces |
| US4447723A (en) * | 1981-09-03 | 1984-05-08 | Excellon Industries | Scanning beam reference employing a retroreflective code means |
| US4634220A (en) * | 1983-02-07 | 1987-01-06 | Minnesota Mining And Manufacturing Company | Directionally imaged sheeting |
| US4645301A (en) * | 1983-02-07 | 1987-02-24 | Minnesota Mining And Manufacturing Company | Transparent sheet containing authenticating image and method of making same |
| US4542449A (en) * | 1983-08-29 | 1985-09-17 | Canadian Patents & Development Limited | Lighting panel with opposed 45° corrugations |
| US4588258A (en) * | 1983-09-12 | 1986-05-13 | Minnesota Mining And Manufacturing Company | Cube-corner retroreflective articles having wide angularity in multiple viewing planes |
| US4650283A (en) * | 1984-08-03 | 1987-03-17 | Minnesota Mining And Manufacturing Company | Directionally imaged retroreflective sheeting |
| US4691993A (en) * | 1985-05-13 | 1987-09-08 | Minnesota Mining And Manufacturing Company | Transparent sheets containing directional images and method for forming the same |
| US4708920A (en) * | 1985-09-16 | 1987-11-24 | Minnesota Mining And Manufacturing Company | Microlens sheet containing directional half-tone images and method for making the same |
| CA1267173A (en) * | 1985-09-23 | 1990-03-27 | Thomas I. Bradshaw | Sheet containing contour-dependent directional image and method for forming the same |
| CA1279783C (en) * | 1985-11-21 | 1991-02-05 | Minnesota Mining And Manufacturing Company | Totally internally reflecting thin, flexible film |
| US4938563A (en) * | 1986-11-21 | 1990-07-03 | Minnesota Mining And Manufacturing Company | High efficiency cube corner retroflective material |
| US4726134A (en) * | 1986-11-21 | 1988-02-23 | Minnesota Mining And Manufacturing Company | Roadway sign |
| US4983436A (en) * | 1987-04-15 | 1991-01-08 | Minnesota Mining And Manufacturing Company | Retroreflective sheeting with backing film |
| US5066098A (en) * | 1987-05-15 | 1991-11-19 | Minnesota Mining And Manufacturing Company | Cellular encapsulated-lens high whiteness retroreflective sheeting with flexible cover sheet |
| GB8720923D0 (en) * | 1987-09-05 | 1987-10-14 | Emi Plc Thorn | Optical image rotators |
| US4895428A (en) * | 1988-07-26 | 1990-01-23 | Minnesota Mining And Manufacturing Company | High efficiency retroreflective material |
| JPH02196653A (ja) * | 1989-01-26 | 1990-08-03 | Seibu Raito Internatl Kk | セル状再帰反射シート |
| US5122902A (en) * | 1989-03-31 | 1992-06-16 | Minnesota Mining And Manufacturing Company | Retroreflective articles having light-transmissive surfaces |
| US5050327A (en) * | 1989-11-17 | 1991-09-24 | Minnesota Mining And Manufacturing Company | Retroreflective sign having improved legibility |
| US5254390B1 (en) * | 1990-11-15 | 1999-05-18 | Minnesota Mining & Mfg | Plano-convex base sheet for retroreflective articles |
| ZA918849B (en) * | 1990-12-06 | 1992-08-26 | Minnesota Mining & Mfg | Articles exhibiting durable fluorescence |
| US5237449A (en) * | 1991-01-29 | 1993-08-17 | Nelson Optics Company, Inc. | Biased lenticular sign system |
| US5272562A (en) * | 1993-02-05 | 1993-12-21 | Minnesota Mining And Manufacturing Company | Cube-corner retroreflective articles |
| US5450235A (en) * | 1993-10-20 | 1995-09-12 | Minnesota Mining And Manufacturing Company | Flexible cube-corner retroreflective sheeting |
| US5471348A (en) * | 1994-05-13 | 1995-11-28 | Minnesota Mining And Manufacturing Company | Directed reflection optical device |
| US5714218A (en) * | 1995-08-21 | 1998-02-03 | Dainippon Printing Co., Ltd. | Ionizing radiation-curable resin composition for optical article, optical article, and surface light source |
| DE69637932D1 (de) * | 1995-11-28 | 2009-06-25 | Ovd Kinegram Ag | Optischer Informationsträger |
| US5840405A (en) * | 1996-04-30 | 1998-11-24 | Minnesota Mining And Manufacturing Company | Glittering cube-corner retroreflective sheeting |
| US5814355A (en) * | 1996-04-30 | 1998-09-29 | Minnesota Mining And Manufacturing Company | Mold for producing glittering cube-corner retroreflective sheeting |
-
1998
- 1998-02-05 US US09/019,108 patent/US6045230A/en not_active Expired - Lifetime
- 1998-06-03 WO PCT/US1998/009523 patent/WO1999040462A1/en not_active Ceased
- 1998-06-03 CN CNB988134713A patent/CN1135406C/zh not_active Expired - Fee Related
- 1998-06-03 EP EP06007894A patent/EP1712933A1/en not_active Withdrawn
- 1998-06-03 EP EP98926032A patent/EP1053490B1/en not_active Expired - Lifetime
- 1998-06-03 AU AU77960/98A patent/AU7796098A/en not_active Abandoned
- 1998-06-03 KR KR1020007008431A patent/KR100558109B1/ko not_active Expired - Fee Related
- 1998-06-03 CA CA002318425A patent/CA2318425A1/en not_active Abandoned
- 1998-06-03 DE DE69829507T patent/DE69829507T2/de not_active Expired - Fee Related
- 1998-06-03 DE DE69834280T patent/DE69834280T2/de not_active Expired - Fee Related
- 1998-06-03 EP EP04028579A patent/EP1521105B1/en not_active Expired - Lifetime
- 1998-06-03 JP JP2000530817A patent/JP4146084B2/ja not_active Expired - Fee Related
-
1999
- 1999-01-20 TW TW088100846A patent/TW425532B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1521105B1 (en) | 2006-04-19 |
| US6045230A (en) | 2000-04-04 |
| EP1521105A1 (en) | 2005-04-06 |
| JP4146084B2 (ja) | 2008-09-03 |
| EP1053490A1 (en) | 2000-11-22 |
| AU7796098A (en) | 1999-08-23 |
| DE69834280T2 (de) | 2007-04-12 |
| DE69829507T2 (de) | 2006-02-16 |
| TW425532B (en) | 2001-03-11 |
| DE69829507D1 (de) | 2005-04-28 |
| CN1284172A (zh) | 2001-02-14 |
| EP1712933A1 (en) | 2006-10-18 |
| EP1053490B1 (en) | 2005-03-23 |
| JP2002502985A (ja) | 2002-01-29 |
| KR20010040562A (ko) | 2001-05-15 |
| DE69834280D1 (de) | 2006-05-24 |
| CN1135406C (zh) | 2004-01-21 |
| KR100558109B1 (ko) | 2006-03-10 |
| WO1999040462A1 (en) | 1999-08-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |