NL8200656A - Uit plaatvormig materiaal bestaand, geverifieerd voorwerp met een reflectieve-diffractieve verifieerinrichting. - Google Patents

Uit plaatvormig materiaal bestaand, geverifieerd voorwerp met een reflectieve-diffractieve verifieerinrichting. Download PDF

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Publication number
NL8200656A
NL8200656A NL8200656A NL8200656A NL8200656A NL 8200656 A NL8200656 A NL 8200656A NL 8200656 A NL8200656 A NL 8200656A NL 8200656 A NL8200656 A NL 8200656A NL 8200656 A NL8200656 A NL 8200656A
Authority
NL
Netherlands
Prior art keywords
refractive
color
order
transparent material
refraction
Prior art date
Application number
NL8200656A
Other languages
English (en)
Dutch (nl)
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of NL8200656A publication Critical patent/NL8200656A/nl

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/328—Diffraction gratings; Holograms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/324—Reliefs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1842—Gratings for image generation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K19/16—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 a hologram or diffraction grating
    • 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
    • B42D2033/04—
    • B42D2033/20—
    • B42D2035/02—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/916—Fraud or tamper detecting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Credit Cards Or The Like (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Holo Graphy (AREA)
NL8200656A 1981-02-19 1982-02-18 Uit plaatvormig materiaal bestaand, geverifieerd voorwerp met een reflectieve-diffractieve verifieerinrichting. NL8200656A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/235,970 US4892385A (en) 1981-02-19 1981-02-19 Sheet-material authenticated item with reflective-diffractive authenticating device
US23597081 1981-02-19

Publications (1)

Publication Number Publication Date
NL8200656A true NL8200656A (nl) 1982-09-16

Family

ID=22887603

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8200656A NL8200656A (nl) 1981-02-19 1982-02-18 Uit plaatvormig materiaal bestaand, geverifieerd voorwerp met een reflectieve-diffractieve verifieerinrichting.

Country Status (10)

Country Link
US (1) US4892385A (es)
JP (1) JPS6023040B2 (es)
CA (1) CA1185370A (es)
CH (1) CH661602A5 (es)
DE (1) DE3206062A1 (es)
ES (1) ES8303759A1 (es)
FR (1) FR2500020A1 (es)
GB (1) GB2093404B (es)
IT (1) IT1200367B (es)
NL (1) NL8200656A (es)

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Also Published As

Publication number Publication date
GB2093404A (en) 1982-09-02
ES8303759A1 (es) 1983-04-01
CH661602A5 (de) 1987-07-31
ES509556A0 (es) 1983-02-01
US4892385A (en) 1990-01-09
CA1185370A (en) 1985-04-09
FR2500020A1 (fr) 1982-08-20
IT1200367B (it) 1989-01-18
DE3206062A1 (de) 1982-08-19
JPS57159696A (en) 1982-10-01
IT8219720A0 (it) 1982-02-18
FR2500020B1 (es) 1985-01-04
DE3206062C2 (es) 1987-06-11
GB2093404B (en) 1985-02-27
JPS6023040B2 (ja) 1985-06-05

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Legal Events

Date Code Title Description
BT A notification was added to the application dossier and made available to the public
A85 Still pending on 85-01-01
BV The patent application has lapsed