GB8807820D0 - Light modifying & light filtering optical security device - Google Patents

Light modifying & light filtering optical security device

Info

Publication number
GB8807820D0
GB8807820D0 GB888807820A GB8807820A GB8807820D0 GB 8807820 D0 GB8807820 D0 GB 8807820D0 GB 888807820 A GB888807820 A GB 888807820A GB 8807820 A GB8807820 A GB 8807820A GB 8807820 D0 GB8807820 D0 GB 8807820D0
Authority
GB
United Kingdom
Prior art keywords
light
security device
optical security
filtering optical
modifying
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
GB888807820A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pizzanelli D J
Original Assignee
Pizzanelli D J
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 Pizzanelli D J filed Critical Pizzanelli D J
Priority to GB888807820A priority Critical patent/GB8807820D0/en
Publication of GB8807820D0 publication Critical patent/GB8807820D0/en
Priority to GB8907355A priority patent/GB2219248B/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/0252—Laminate comprising a hologram layer
    • 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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/425—Marking by deformation, e.g. embossing
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/0276—Replicating a master hologram without interference recording
    • G03H1/028—Replicating a master hologram without interference recording by embossing
    • 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
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/086—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer
    • B42D2033/10—
    • 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
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G03H1/0011—Adaptation of holography to specific applications for security or authentication
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2250/00—Laminate comprising a hologram layer
    • G03H2250/34—Colour layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)
GB888807820A 1988-03-31 1988-03-31 Light modifying & light filtering optical security device Pending GB8807820D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB888807820A GB8807820D0 (en) 1988-03-31 1988-03-31 Light modifying & light filtering optical security device
GB8907355A GB2219248B (en) 1988-03-31 1989-03-31 Optical security device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888807820A GB8807820D0 (en) 1988-03-31 1988-03-31 Light modifying & light filtering optical security device

Publications (1)

Publication Number Publication Date
GB8807820D0 true GB8807820D0 (en) 1988-05-05

Family

ID=10634504

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888807820A Pending GB8807820D0 (en) 1988-03-31 1988-03-31 Light modifying & light filtering optical security device
GB8907355A Expired - Lifetime GB2219248B (en) 1988-03-31 1989-03-31 Optical security device

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8907355A Expired - Lifetime GB2219248B (en) 1988-03-31 1989-03-31 Optical security device

Country Status (1)

Country Link
GB (2) GB8807820D0 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8924111D0 (en) * 1989-10-26 1989-12-13 Amblehurst Ltd Optical device
WO1994000803A1 (en) * 1992-06-26 1994-01-06 Hi Tek Illusions Australia Pty. Ltd. A method of producing spectrographic images
CA2168772C (en) * 1993-08-06 2004-10-26 Robert Arthur Lee A diffractive device
TW265421B (en) * 1993-11-23 1995-12-11 Commw Scient Ind Res Org
AUPM382994A0 (en) * 1994-02-14 1994-03-10 Commonwealth Scientific And Industrial Research Organisation Diffractive device with enhanced anti-copying protection
GB9406794D0 (en) * 1994-04-06 1994-05-25 Applied Holographics Protected relief patterns
DE4443029A1 (en) * 1994-12-02 1996-06-27 Bundesdruckerei Gmbh Master hologram for the production of copy-proof holograms
DE10216561B4 (en) * 2002-04-05 2010-01-07 Ovd Kinegram Ag Security element with macrostructures
EP1849045A2 (en) * 2005-01-21 2007-10-31 Ver-Tec Security Systems Limited Holographic recording media
GB2448836B (en) * 2006-01-09 2009-02-18 Rue De Int Ltd Optically variable magnetic stripe assembly
GB0600323D0 (en) 2006-01-09 2006-02-15 Rue De Int Ltd Improved optically variable magnetic stripe

Also Published As

Publication number Publication date
GB8907355D0 (en) 1989-05-17
GB2219248B (en) 1992-09-09
GB2219248A (en) 1989-12-06

Similar Documents

Publication Publication Date Title
GB2270174B (en) Optical filter device
GB8924111D0 (en) Optical device
EP0326387A3 (en) Light modulating device
IL93391A (en) Optical filtering system
IL90178A0 (en) Optical light valve system
GB2239101B (en) Optical device
EP0422854A3 (en) Optical amplifier-photodetector device
GB8807820D0 (en) Light modifying & light filtering optical security device
GB2402227B (en) Optical filtering device
EP0418390A4 (en) Optical device
SG31695G (en) Optical device
EP0478391A3 (en) Optical wavelength filter device
EP0410160A3 (en) Optical filter
GB2225445B (en) Laser-attenuative optical filter
GB8921081D0 (en) Optical filters
GB2221768B (en) Optical devices
GB8902589D0 (en) Optical device
GB2223324B (en) Optical filters
EP0350586A3 (en) Optical positionmeasuring device
GB9320016D0 (en) Optical filter
GB8909125D0 (en) Optical devices
GB2223327B (en) Optical devices
GB8911520D0 (en) Optical devices
GB8823983D0 (en) Optical filter arrangements
GB8809544D0 (en) Optical device