MX159579A - Mejoras en lamina retroreflectiva que porta imagenes que son visibles solo dentro de rangos angulares limitados - Google Patents

Mejoras en lamina retroreflectiva que porta imagenes que son visibles solo dentro de rangos angulares limitados

Info

Publication number
MX159579A
MX159579A MX200252A MX20025284A MX159579A MX 159579 A MX159579 A MX 159579A MX 200252 A MX200252 A MX 200252A MX 20025284 A MX20025284 A MX 20025284A MX 159579 A MX159579 A MX 159579A
Authority
MX
Mexico
Prior art keywords
visible
angle ranges
retroreflective sheet
limited angle
carries images
Prior art date
Application number
MX200252A
Other languages
English (en)
Spanish (es)
Inventor
Eric N Hockert
Bruce D Orensteen
Thomas I Bradshaw
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 MX159579A publication Critical patent/MX159579A/es

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)
MX200252A 1983-02-07 1984-02-06 Mejoras en lamina retroreflectiva que porta imagenes que son visibles solo dentro de rangos angulares limitados MX159579A (es)

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 (1)

Publication Number Publication Date
MX159579A true MX159579A (es) 1989-07-06

Family

ID=23844661

Family Applications (1)

Application Number Title Priority Date Filing Date
MX200252A MX159579A (es) 1983-02-07 1984-02-06 Mejoras en lamina retroreflectiva que porta imagenes que son visibles solo dentro de rangos angulares limitados

Country Status (24)

Country Link
US (1) US4634220A (en:Method)
EP (1) EP0118222B1 (en:Method)
JP (1) JPH0664206B2 (en:Method)
KR (1) KR900005737B1 (en:Method)
AU (1) AU560077B2 (en:Method)
BR (1) BR8400502A (en:Method)
CA (1) CA1242580A (en:Method)
DE (1) DE3467421D1 (en:Method)
DK (1) DK159340C (en:Method)
EG (1) EG16737A (en:Method)
ES (1) ES529445A0 (en:Method)
FI (1) FI82313C (en:Method)
GR (1) GR81652B (en:Method)
HK (1) HK51988A (en:Method)
IE (1) IE54919B1 (en:Method)
IL (1) IL70876A (en:Method)
IN (1) IN163853B (en:Method)
MX (1) MX159579A (en:Method)
NO (1) NO167238C (en:Method)
NZ (1) NZ207034A (en:Method)
PH (1) PH21487A (en:Method)
PT (1) PT78069B (en:Method)
SU (1) SU1314965A3 (en:Method)
ZA (1) ZA84871B (en:Method)

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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
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US6045230A (en) * 1998-02-05 2000-04-04 3M Innovative Properties Company Modulating retroreflective article
US6330107B1 (en) * 1999-03-04 2001-12-11 Danny Mattijetz Multi-image display screen
US6204971B1 (en) * 1999-05-14 2001-03-20 3M Innovative Properties Company Glass microspheres for use in films and projection screen displays and methods
US6288842B1 (en) 2000-02-22 2001-09-11 3M Innovative Properties Sheeting with composite image that floats
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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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JP4697705B2 (ja) * 2005-07-15 2011-06-08 共同印刷株式会社 再起反射材及び再帰反射材へのマーキング方法
BRPI0616423B8 (pt) * 2005-09-26 2018-09-04 Avery Dennison Corp material laminado retro-refletor
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
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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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US9038507B2 (en) * 2007-03-21 2015-05-26 Snap-On Incorporated Dual pawl ratchet mechanism and reversing method
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Also Published As

Publication number Publication date
GR81652B (en:Method) 1984-12-12
KR900005737B1 (ko) 1990-08-09
BR8400502A (pt) 1984-09-11
DK159340C (da) 1991-03-04
EP0118222A1 (en) 1984-09-12
US4634220A (en) 1987-01-06
ES8501150A1 (es) 1984-11-01
FI840476L (fi) 1984-08-08
FI82313B (fi) 1990-10-31
DK159340B (da) 1990-10-01
IN163853B (en:Method) 1988-11-26
PH21487A (en) 1987-11-10
AU2421384A (en) 1984-08-16
JPS59148004A (ja) 1984-08-24
FI82313C (fi) 1991-02-11
IE54919B1 (en) 1990-03-14
NZ207034A (en) 1985-11-08
KR840008061A (ko) 1984-12-12
EP0118222B1 (en) 1987-11-11
NO167238C (no) 1991-10-16
EG16737A (en) 1991-08-30
ES529445A0 (es) 1984-11-01
PT78069B (en) 1986-04-17
DK49884D0 (da) 1984-02-03
IL70876A0 (en) 1984-05-31
ZA84871B (en) 1985-09-25
DE3467421D1 (en) 1987-12-17
JPH0664206B2 (ja) 1994-08-22
CA1242580A (en) 1988-10-04
NO167238B (no) 1991-07-08
HK51988A (en) 1988-07-15
DK49884A (da) 1984-08-08
SU1314965A3 (ru) 1987-05-30
NO840413L (no) 1984-08-08
AU560077B2 (en) 1987-03-26
FI840476A0 (fi) 1984-02-06
IE840271L (en) 1984-08-07
IL70876A (en) 1987-11-30
PT78069A (en) 1984-03-01

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