BRPI0810662A2 - Método para marcar um documento ou item; método e dispositivo para identificar o documento ou item marcado; utilização de partículas de polarização circular. - Google Patents

Método para marcar um documento ou item; método e dispositivo para identificar o documento ou item marcado; utilização de partículas de polarização circular.

Info

Publication number
BRPI0810662A2
BRPI0810662A2 BRPI0810662-2A2A BRPI0810662A BRPI0810662A2 BR PI0810662 A2 BRPI0810662 A2 BR PI0810662A2 BR PI0810662 A BRPI0810662 A BR PI0810662A BR PI0810662 A2 BRPI0810662 A2 BR PI0810662A2
Authority
BR
Brazil
Prior art keywords
item
document
marking
identifying
circular polarization
Prior art date
Application number
BRPI0810662-2A2A
Other languages
English (en)
Inventor
Andrea Callegari
Eric Decoux
Original Assignee
Sicpa Holding Sa
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 Sicpa Holding Sa filed Critical Sicpa Holding Sa
Publication of BRPI0810662A2 publication Critical patent/BRPI0810662A2/pt

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
    • G06K19/083—Constructional details
    • G06K19/086—Constructional details with markings consisting of randomly placed or oriented elements, the randomness of the elements being useable for generating a unique identifying signature of the record carrier, e.g. randomly placed magnetic fibers or magnetic particles in the body of a credit card
    • 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
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • 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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/003—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/005—Testing security markings invisible to the naked eye, e.g. verifying thickened lines or unobtrusive markings or alterations
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Credit Cards Or The Like (AREA)
  • Polarising Elements (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Holo Graphy (AREA)
BRPI0810662-2A2A 2007-04-24 2008-04-18 Método para marcar um documento ou item; método e dispositivo para identificar o documento ou item marcado; utilização de partículas de polarização circular. BRPI0810662A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP2007003588 2007-04-24
PCT/EP2008/003116 WO2008128714A1 (en) 2007-04-24 2008-04-18 Method of marking a document or item; method and device for identifying the marked document or item; use of circular polarizing particles

Publications (1)

Publication Number Publication Date
BRPI0810662A2 true BRPI0810662A2 (pt) 2014-11-04

Family

ID=38904638

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0810662-2A2A BRPI0810662A2 (pt) 2007-04-24 2008-04-18 Método para marcar um documento ou item; método e dispositivo para identificar o documento ou item marcado; utilização de partículas de polarização circular.

Country Status (19)

Country Link
US (3) US8186573B2 (pt)
JP (1) JP2010525343A (pt)
KR (1) KR101355389B1 (pt)
CN (1) CN101715589B (pt)
AP (1) AP2009005042A0 (pt)
AR (1) AR065532A1 (pt)
AU (1) AU2008240987B2 (pt)
BR (1) BRPI0810662A2 (pt)
CA (1) CA2684789A1 (pt)
CL (1) CL2008001177A1 (pt)
CO (1) CO6141498A2 (pt)
EA (1) EA018391B1 (pt)
ES (1) ES2909425T3 (pt)
MX (1) MX2009011446A (pt)
SA (1) SA08290248B1 (pt)
TW (1) TWI448991B (pt)
UA (1) UA102067C2 (pt)
WO (1) WO2008128714A1 (pt)
ZA (1) ZA200908253B (pt)

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US20100200649A1 (en) 2010-08-12
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US20120211564A1 (en) 2012-08-23
ZA200908253B (en) 2010-08-25
AP2009005042A0 (en) 2009-12-31
EA200970997A1 (ru) 2010-04-30
CN101715589A (zh) 2010-05-26
AU2008240987B2 (en) 2014-04-03
KR20100017280A (ko) 2010-02-16
EA018391B1 (ru) 2013-07-30
CO6141498A2 (es) 2010-03-19
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CA2684789A1 (en) 2008-10-30
US8672218B2 (en) 2014-03-18
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AR065532A1 (es) 2009-06-17
AU2008240987A1 (en) 2008-10-30
US8746555B2 (en) 2014-06-10
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US20130235322A1 (en) 2013-09-12
CN101715589B (zh) 2014-01-22
HK1142983A1 (en) 2010-12-17
TW200912806A (en) 2009-03-16
US8186573B2 (en) 2012-05-29
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UA102067C2 (ru) 2013-06-10
MX2009011446A (es) 2010-01-29

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