IT1004429B - Foglio retro riflettente e procedi mento per la sua produzione - Google Patents

Foglio retro riflettente e procedi mento per la sua produzione

Info

Publication number
IT1004429B
IT1004429B IT49826/74A IT4982674A IT1004429B IT 1004429 B IT1004429 B IT 1004429B IT 49826/74 A IT49826/74 A IT 49826/74A IT 4982674 A IT4982674 A IT 4982674A IT 1004429 B IT1004429 B IT 1004429B
Authority
IT
Italy
Prior art keywords
sheet
production
retro
reflective
reflective retro
Prior art date
Application number
IT49826/74A
Other languages
English (en)
Original Assignee
Minnesota Mining & Mfg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Application granted granted Critical
Publication of IT1004429B publication Critical patent/IT1004429B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/14—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface
    • G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
IT49826/74A 1973-06-01 1974-03-28 Foglio retro riflettente e procedi mento per la sua produzione IT1004429B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36604073A 1973-06-01 1973-06-01

Publications (1)

Publication Number Publication Date
IT1004429B true IT1004429B (it) 1976-07-10

Family

ID=23441422

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49826/74A IT1004429B (it) 1973-06-01 1974-03-28 Foglio retro riflettente e procedi mento per la sua produzione

Country Status (2)

Country Link
US (1) US3801183A (it)
IT (1) IT1004429B (it)

Families Citing this family (108)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2527760B2 (de) * 1975-06-21 1977-07-28 Lange, Karl-Hans, 5600 Wuppertal Mit bezeichnungen bzw. markierungen versehene retroreflektierende folie
US4099838A (en) * 1976-06-07 1978-07-11 Minnesota Mining And Manufacturing Company Reflective sheet material
US4102562A (en) * 1976-06-14 1978-07-25 Minnesota Mining And Manufacturing Company Retroreflective transfer sheet material
US4082426A (en) * 1976-11-26 1978-04-04 Minnesota Mining And Manufacturing Company Retroreflective sheeting with retroreflective markings
US4293189A (en) * 1978-03-31 1981-10-06 Solid Corporation Light reflecting device
US4268983A (en) * 1978-12-26 1981-05-26 Minnesota Mining And Manufacturing Company Security label
US4268117A (en) * 1979-11-30 1981-05-19 Minnesota Mining And Manufacturing Company Sheet assembly for forming imaged retroreflective sheeting
US4428997A (en) 1979-12-26 1984-01-31 Polaroid Corporation Protective coatings for documents
US4725494A (en) * 1982-09-02 1988-02-16 Minnesota Mining And Manufacturing Co. Retroreflective sheeting
US4645301A (en) * 1983-02-07 1987-02-24 Minnesota Mining And Manufacturing Company Transparent sheet containing authenticating image and method of making same
US4634220A (en) * 1983-02-07 1987-01-06 Minnesota Mining And Manufacturing Company Directionally imaged sheeting
US4591189A (en) * 1983-12-27 1986-05-27 Minnesota Mining And Manufacturing Company Document having light-transmissive, electrically conductive authenticating interior layer
US4579371A (en) * 1983-12-27 1986-04-01 Minnesota Mining And Manufacturing Company Document having concealed electrically conductive authenticating layer
US4650283A (en) * 1984-08-03 1987-03-17 Minnesota Mining And Manufacturing Company Directionally imaged retroreflective sheeting
US4630891A (en) * 1984-09-14 1986-12-23 Minnesota Mining And Manufacturing Company Tamper resistant security film
US4721649A (en) * 1985-05-08 1988-01-26 Minnesota Mining And Manufacturing Company 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
US4763985A (en) * 1986-08-01 1988-08-16 Minnesota Mining And Manufacturing Company Retroreflective sheet with enhanced brightness
US4726134A (en) * 1986-11-21 1988-02-23 Minnesota Mining And Manufacturing Company Roadway sign
NL8802472A (nl) * 1988-10-10 1990-05-01 Homer Hollandse Meet En Regels Document met daarop aangebrachte randominformatie, drager van deze randominformatie alsmede werkwijze en inrichting voor het aflezen van deze randominformatie.
WO1990012694A1 (en) * 1989-04-27 1990-11-01 Commonwealth Of Australia Secure image production
CA2019274A1 (en) * 1989-06-21 1990-12-21 Lynn E. Faykish Retroreflective security laminates with protective cover sheets
US5080463A (en) * 1989-06-21 1992-01-14 Minnesota Mining And Manufacturing Company Retroreflective security laminates with protective cover sheets
US4968063A (en) * 1989-09-19 1990-11-06 Minnesota Mining And Manufacturing Company Transparent tamper-indicating document overlay
US5060981A (en) * 1989-09-19 1991-10-29 Minnesota Mining And Manufacturing Company Transparent overlay for protecting a document from tampering
GB9006170D0 (en) 1990-03-19 1990-05-16 Ferroglen Research Ltd Apparatus and method for controlling a recording machine
US5286332A (en) * 1990-09-10 1994-02-15 Minnesota Mining And Manufacturing Company Apparatus for applying an L clip tape to a cartridge
US5254390B1 (en) * 1990-11-15 1999-05-18 Minnesota Mining & Mfg Plano-convex base sheet for retroreflective articles
US5169707A (en) * 1991-05-08 1992-12-08 Minnesota Mining And Manufacturing Company Retroreflective security laminates with dual level verification
US6019287A (en) * 1993-10-06 2000-02-01 3M Innovative Properties Company Security reader for automatic detection of tampering and alteration
CA2134521A1 (en) * 1993-11-02 1995-05-03 Raymond R. Gosselin Tamper-indicating label
GB2286152B (en) * 1994-02-01 1997-07-02 Ching Chyr You A method of discriminating an article
CA2188141C (en) * 1994-05-12 2003-05-20 Vera L. Lightle Retroreflective article and method of making same
CA2194454A1 (en) * 1994-07-08 1996-01-25 Minnesota Mining And Manufacturing Company Transparent multilayer film and its use for protection of data on documents as well as a tamper-proof label
US5683774A (en) * 1994-12-09 1997-11-04 Minnesota Mining And Manufacturing Company Durable, tamper resistant security laminate
US5510171A (en) * 1995-01-19 1996-04-23 Minnesota Mining And Manufacturing Company Durable security laminate with hologram
US5477219A (en) * 1995-03-30 1995-12-19 Minnesota Mining And Manufacturing Company Composite electronic article surveillance, identification, and security marker assembly and system
US5656360A (en) * 1996-02-16 1997-08-12 Minnesota Mining And Manufacturing Company Article with holographic and retroreflective features
US6086707A (en) * 1996-02-29 2000-07-11 Raytheon Company Method for making an identification document
JPH10170710A (ja) * 1996-12-12 1998-06-26 Minnesota Mining & Mfg Co <3M> 光再帰性反射シート
US6180415B1 (en) * 1997-02-20 2001-01-30 The Regents Of The University Of California Plasmon resonant particles, methods and apparatus
US6024455A (en) * 1998-01-13 2000-02-15 3M Innovative Properties Company Reflective article with concealed retroreflective pattern
US6376045B1 (en) 1999-05-24 2002-04-23 Tyco Adhesives Lp Hand tearable patterned retroreflective material
US7336422B2 (en) * 2000-02-22 2008-02-26 3M Innovative Properties Company Sheeting with composite image that floats
US7068434B2 (en) 2000-02-22 2006-06-27 3M Innovative Properties Company Sheeting with composite image that floats
US6288842B1 (en) * 2000-02-22 2001-09-11 3M Innovative Properties Sheeting with composite image that floats
US20020045028A1 (en) 2000-10-10 2002-04-18 Takayuki Teshima Microstructure array, mold for forming a microstructure array, and method of fabricating the same
US6507441B1 (en) 2000-10-16 2003-01-14 Optid, Optical Identification Technologies Ltd. Directed reflectors and systems utilizing same
US20020163179A1 (en) * 2001-05-01 2002-11-07 Dubner Andrew D. Transparent tamper-indicating data sheet
US7255909B2 (en) * 2002-02-19 2007-08-14 3M Innovative Properties Company Security laminate
US20030219552A1 (en) * 2002-02-19 2003-11-27 Graham Paul D. Polyvinylpyridine image receptive material
US7036944B2 (en) 2002-04-11 2006-05-02 3M Innovative Properties Company Retrochromic articles
US6978896B2 (en) * 2002-04-11 2005-12-27 3M Innovative Properties Company Method of making retrochromic beads and kit thereof
US7349155B2 (en) * 2002-10-28 2008-03-25 Hewlett-Packard Development Company, L.P. Screen having a layer of reflectors
US7504147B2 (en) * 2004-07-22 2009-03-17 Avery Dennison Corporation Retroreflective sheeting with security and/or decorative image
US7648744B2 (en) * 2004-08-06 2010-01-19 3M Innovative Properties Company Tamper-indicating printable sheet for securing documents of value and methods of making the same
US7658980B2 (en) * 2004-08-06 2010-02-09 3M Innovative Properties Company Tamper-indicating printable sheet for securing documents of value and methods of making the same
US7616332B2 (en) * 2004-12-02 2009-11-10 3M Innovative Properties Company System for reading and authenticating a composite image in a sheeting
WO2006127351A2 (en) * 2005-05-20 2006-11-30 3M Innovative Properties Company Dispenser bearing multi-dimensional image
US7981499B2 (en) * 2005-10-11 2011-07-19 3M Innovative Properties Company Methods of forming sheeting with a composite image that floats and sheeting with a composite image that floats
US8096584B2 (en) 2006-07-24 2012-01-17 3M Innovative Properties Company Document authentication using template matching with fast masked normalized cross-correlation
US7586685B2 (en) * 2006-07-28 2009-09-08 Dunn Douglas S Microlens sheeting with floating image using a shape memory material
US7951319B2 (en) * 2006-07-28 2011-05-31 3M Innovative Properties Company Methods for changing the shape of a surface of a shape memory polymer article
US20080027199A1 (en) 2006-07-28 2008-01-31 3M Innovative Properties Company Shape memory polymer articles with a microstructured surface
US20100028619A1 (en) * 2006-09-11 2010-02-04 3M Innovative Properties Company Card with a tearable security laminate
US7800825B2 (en) * 2006-12-04 2010-09-21 3M Innovative Properties Company User interface including composite images that float
US7575027B2 (en) * 2007-01-05 2009-08-18 Min-San Huang Weave with visual color variation
PL2165224T3 (pl) 2007-07-11 2024-03-18 Thales Dis France Sas Arkusz ze złożonym obrazem pływającym
EP3260893A3 (en) 2007-11-27 2018-04-11 3M Innovative Properties Co. Methods for forming sheeting with a composite image that floats and a master tooling
US8857028B2 (en) * 2008-07-08 2014-10-14 3M Innovative Properties Company Processes for producing optical elements showing virtual images
US20110109965A1 (en) * 2008-07-08 2011-05-12 Gates Brian J Optical elements for showing virtual images
US20100043694A1 (en) * 2008-08-20 2010-02-25 Patel Gordhanbhai N Tamper evident indicating devices
US8111463B2 (en) 2008-10-23 2012-02-07 3M Innovative Properties Company Methods of forming sheeting with composite images that float and sheeting with composite images that float
US7995278B2 (en) * 2008-10-23 2011-08-09 3M Innovative Properties Company Methods of forming sheeting with composite images that float and sheeting with composite images that float
US8840956B2 (en) * 2008-10-31 2014-09-23 Potters Industries, Llc Retroreflective coating and method for applying a retroreflective coating on a structure
US9268146B2 (en) 2009-03-10 2016-02-23 3M Innovative Properties Company User interface with a composite image that floats
US20100272962A1 (en) * 2009-04-22 2010-10-28 Potters Industries Inc. Reflective substrate surface system, reflective assembly, and methods of improving the visibility of a substrate surface
WO2011046953A1 (en) * 2009-10-16 2011-04-21 3M Innovative Properties Company Retroreflective sheeting and license plate with reduced retroreflectivity at high entrance angles
US8950877B2 (en) 2009-11-12 2015-02-10 3M Innovative Properties Company Security markings in retroreflective sheeting
CA2730631C (en) * 2010-02-09 2015-03-31 Potters Industries, Inc. Reflective substrate surface system, reflective assembly, and methods of improving the visibility of a substrate surface
US8622555B2 (en) 2010-08-31 2014-01-07 3M Innovative Properties Company Security article having a switching feature
WO2012103441A1 (en) 2011-01-28 2012-08-02 Crane & Co., Inc A laser marked device
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US9289962B2 (en) 2011-05-20 2016-03-22 3M Innovative Properties Company Laser-personalizable security articles
JP2014524600A (ja) 2011-08-19 2014-09-22 ビジュアル フィジクス エルエルシー 低減された厚さを有する必要に応じて転写可能な光学システム
CA2857335A1 (en) 2011-12-15 2013-06-20 3M Innovative Properties Company A personalized security article and methods of authenticating a security article and verifying a bearer of a security article
RU2621558C9 (ru) 2012-08-17 2017-12-05 Визуал Физикс, Ллс Процесс переноса микроструктур на конечную подложку
TW201315598A (zh) * 2012-10-18 2013-04-16 Cing Wai Kung Mau Company 反光物品製程
US20140265301A1 (en) 2013-03-15 2014-09-18 3M Innovative Properties Company Security feature utlizing hinge material and biodata page
US10406845B2 (en) 2013-03-15 2019-09-10 Gemalto Sa Flexible hinge material comprising cross-linked polyurethane material
BR112015022369A2 (pt) 2013-03-15 2017-07-18 Visual Physics Llc dispositivo de segurança óptica
US9873281B2 (en) 2013-06-13 2018-01-23 Visual Physics, Llc Single layer image projection film
TWI562891B (en) * 2013-09-27 2016-12-21 Rohm & Haas Optical effect coating
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US10766292B2 (en) 2014-03-27 2020-09-08 Crane & Co., Inc. Optical device that provides flicker-like optical effects
KR102385592B1 (ko) 2014-03-27 2022-04-11 비쥬얼 피직스 엘엘씨 점멸형 광학 효과를 산출하는 광학 소자
US20160011346A1 (en) 2014-07-14 2016-01-14 Sergiy Vasylyev High incidence angle retroreflective sheeting
ES3014185T3 (en) 2014-07-17 2025-04-21 Visual Physics Llc An improved polymeric sheet material for use in making polymeric security documents such as bank notes
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JP7620974B2 (ja) 2018-02-07 2025-01-24 クリプト リンクス リミテッド 署名方法、システム、及び／又はデバイス
US12138902B2 (en) 2019-02-11 2024-11-12 Fiberlok Technologies Light retroreflective graphic textile
JP2023125138A (ja) * 2022-02-28 2023-09-07 グローブライド株式会社 釣用のルアー
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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025764A (en) * 1956-10-04 1962-03-20 Minnesota Mining & Mfg Retroreflective elements and structures
US2937668A (en) * 1956-10-29 1960-05-24 Minnesota Mining & Mfg Reflex-reflecting textile yarns and fabrics
NL133265C (it) * 1959-11-02
US3288618A (en) * 1962-08-16 1966-11-29 Prismo Safety Corp Colored reflective coating composition
US3154872A (en) * 1963-02-13 1964-11-03 Minnesota Mining & Mfg Tamper-proof markings for reflecting structures

Also Published As

Publication number Publication date
US3801183A (en) 1974-04-02

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19930323