IE54919B1 - Directionally imaged sheeting - Google Patents

Directionally imaged sheeting

Info

Publication number
IE54919B1
IE54919B1 IE271/84A IE27184A IE54919B1 IE 54919 B1 IE54919 B1 IE 54919B1 IE 271/84 A IE271/84 A IE 271/84A IE 27184 A IE27184 A IE 27184A IE 54919 B1 IE54919 B1 IE 54919B1
Authority
IE
Ireland
Prior art keywords
sheeting
layer
openings
transparent
back surface
Prior art date
Application number
IE271/84A
Other languages
English (en)
Other versions
IE840271L (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
Publication of IE840271L publication Critical patent/IE840271L/xx
Publication of IE54919B1 publication Critical patent/IE54919B1/en

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)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Laminated Bodies (AREA)
  • Toys (AREA)
IE271/84A 1983-02-07 1984-02-06 Directionally imaged sheeting IE54919B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/464,627 US4634220A (en) 1983-02-07 1983-02-07 Directionally imaged sheeting

Publications (2)

Publication Number Publication Date
IE840271L IE840271L (en) 1984-08-07
IE54919B1 true IE54919B1 (en) 1990-03-14

Family

ID=23844661

Family Applications (1)

Application Number Title Priority Date Filing Date
IE271/84A IE54919B1 (en) 1983-02-07 1984-02-06 Directionally imaged sheeting

Country Status (24)

Country Link
US (1) US4634220A (oth)
EP (1) EP0118222B1 (oth)
JP (1) JPH0664206B2 (oth)
KR (1) KR900005737B1 (oth)
AU (1) AU560077B2 (oth)
BR (1) BR8400502A (oth)
CA (1) CA1242580A (oth)
DE (1) DE3467421D1 (oth)
DK (1) DK159340C (oth)
EG (1) EG16737A (oth)
ES (1) ES8501150A1 (oth)
FI (1) FI82313C (oth)
GR (1) GR81652B (oth)
HK (1) HK51988A (oth)
IE (1) IE54919B1 (oth)
IL (1) IL70876A (oth)
IN (1) IN163853B (oth)
MX (1) MX159579A (oth)
NO (1) NO167238C (oth)
NZ (1) NZ207034A (oth)
PH (1) PH21487A (oth)
PT (1) PT78069B (oth)
SU (1) SU1314965A3 (oth)
ZA (1) ZA84871B (oth)

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US6724536B2 (en) 1990-05-18 2004-04-20 University Of Arkansas Directional image lenticular window sheet
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US5344705A (en) * 1993-05-05 1994-09-06 Minnesota Mining And Manufacturing Company Retroreflective transfer sheet material
US5503906A (en) * 1993-05-05 1996-04-02 Minnesota Mining And Manufacturing Company Retroreflective transfer sheet material
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US5933276A (en) * 1994-04-13 1999-08-03 Board Of Trustees, University Of Arkansas, N.A. Aberration-free directional image window sheet
WO1995031739A1 (en) * 1994-05-12 1995-11-23 Minnesota Mining And Manufacturing Company Retroreflective article and method of making same
US5882771A (en) * 1996-04-10 1999-03-16 Minnesota Mining And Manufacturing Company Conformable embossable retroreflective sheeting
US5940212A (en) * 1997-10-30 1999-08-17 3M Innovative Properties Company Cube corner article with altered inactive areas and method of making same
US6045230A (en) * 1998-02-05 2000-04-04 3M Innovative Properties Company Modulating retroreflective article
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US8403367B2 (en) 2001-08-02 2013-03-26 Eastman Kodak Company Authentication using near-field optical imaging
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JP4071095B2 (ja) * 2002-12-04 2008-04-02 Ｙｋｋ株式会社 反射性スライドファスナー
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US7586685B2 (en) * 2006-07-28 2009-09-08 Dunn Douglas S Microlens sheeting with floating image using a shape memory material
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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
RU2422303C2 (ru) 2006-08-23 2011-06-27 Ниппон Карбайд Когио Кабусики Кайся Номерной знак транспортного средства и используемый для него световозвращающий лист
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CN103561930B (zh) 2011-05-31 2016-05-18 3M创新有限公司 用于制备相异图案固化微结构化制品的方法
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CN104837644B (zh) 2012-08-17 2018-09-14 光学物理有限责任公司 将微结构转移到最终基材的方法
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Also Published As

Publication number Publication date
NO840413L (no) 1984-08-08
JPS59148004A (ja) 1984-08-24
NO167238B (no) 1991-07-08
PH21487A (en) 1987-11-10
DK159340B (da) 1990-10-01
FI82313C (fi) 1991-02-11
ES529445A0 (es) 1984-11-01
EG16737A (en) 1991-08-30
MX159579A (es) 1989-07-06
BR8400502A (pt) 1984-09-11
KR900005737B1 (ko) 1990-08-09
DK159340C (da) 1991-03-04
EP0118222A1 (en) 1984-09-12
IE840271L (en) 1984-08-07
IL70876A (en) 1987-11-30
DE3467421D1 (en) 1987-12-17
DK49884D0 (da) 1984-02-03
SU1314965A3 (ru) 1987-05-30
GR81652B (oth) 1984-12-12
NO167238C (no) 1991-10-16
CA1242580A (en) 1988-10-04
IN163853B (oth) 1988-11-26
HK51988A (en) 1988-07-15
IL70876A0 (en) 1984-05-31
PT78069B (en) 1986-04-17
EP0118222B1 (en) 1987-11-11
FI82313B (fi) 1990-10-31
FI840476L (fi) 1984-08-08
AU560077B2 (en) 1987-03-26
FI840476A0 (fi) 1984-02-06
ES8501150A1 (es) 1984-11-01
AU2421384A (en) 1984-08-16
JPH0664206B2 (ja) 1994-08-22
ZA84871B (en) 1985-09-25
US4634220A (en) 1987-01-06
NZ207034A (en) 1985-11-08
PT78069A (en) 1984-03-01
KR840008061A (ko) 1984-12-12
DK49884A (da) 1984-08-08

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