178507 ⎘
Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto; Adaptation of holography to specific applications for security or authentication Covert holograms or holobjects requiring additional knowledge to be perceived, e.g. holobject reconstructed only under IR illumination
Sub-classes:HOLOGRAM COLOR DESIGNATION SYSTEM AND HOLOGRAM COLOR DESIGNATION METHOD BASED ON DITHERING MASK
#2Optically variable security devices
#3Method for determining authenticity using images that exhibit parallax
#4MARKING METHOD AND SYSTEM
#5PROJECTION SCREEN ANTICOUNTERFEITING SYSTEM AND METHOD OF IMPLEMENTATION THEREOF
#6Method for determining authenticity using images that exhibit parallax
#7Methods and systems for rendering holographic content in a first or second mode based on security clearance
#8Systems and methods for fabricating variable digital optical images by printing directly on generic optical matrices
#9Systems and methods for fabricating variable digital optical images using generic optical matrices
#10Holographic recording composition
#11Security document and/or document of value containing a visually changeable window with a hologram
#12Verification Of Pharmaceutical Product Packaging To Prevent Counterfeits, Using Hidden Security Features Revealed With A Laser Pointer
#13Optical security device having a high refractive index layer between adjacent diffraction elements which have upper portions uncovered by the high refractive index layer
#14Hologram transfer foil, fabrication method of image display element, image display element, and personal authentication medium
#15Method for concealing a synthetic hologram in a binary image
#16Multi-spectral holographic security marker, method for its manufacture and holographic security system
#17Method for integrating a synthetic hologram in a halftone image
#18HOLOGRAM AND METHOD OF FORMING A HOLOGRAM
#19Holographic sensor
#20Method of making holographic storage medium
#21Hologram fabrication process and fabricated hologram
#22Method of making holographic recording materials and articles formed thereby
#23Authentication hologram, and its fabrication process
#24STRUCTURAL BODY, A METHOD FOR FORMING A STRUCTURAL BODY AND AN APPARATUS FOR FORMING A STRUCTURAL BODY
#25OPTICALLY VARIABLE SECURITY DEVICES
#26Covert label structure
#27Complex holograms, method of making and using complex holograms
#28Holographic or diffraction device
#29MULTI-VIEWPOINT IMAGE RECORDING MEDIUM AND AUTHENTICITY JUDGMENT METHOD
#30SYSTEM AND METHOD FOR PROTECTING PIRACY IN OPTICAL STORAGE
#31OPTICAL SECURITY ELEMENT
#32HOLOGRAM REPRODUCING AND IMAGING APPARATUS, AND HOLOGRAM REPRODUCING AND IMAGING METHOD
#33Composition including an item and an encoded optical substrate and a method for identifying an item
#34SECURITY AND SENSING ELEMENTS WITH VOLUME HOLOGRAMS
#35SECURITY ARTICLES AND DEVICES CONTAINING CODED HOLOGRAPHIC PLATELETS AND METHODS OF MANUFACTURING THE SAME
#36METHODS OF PROTECTING SECURITY DOCUMENTS FROM COUNTERFEITING
#37Enhanced environment visualization using holographic stereograms
#38SECURITY HOLOGRAMS
#39COMPOSITION INCLUDING AN ITEM AND AN ENCODED OPTICAL IDENTIFICATION ELEMENT THAT IS PHYSICALLY ASSOCIATED WITH THE ITEM
#40Interactive Holographic Security Element
#41Holographic sensor
#42Selective hologram formation
#43Information recording medium and method of manufacturing the same
#44Fabrication process for cholesteric liquid crystal media having a volume hologram
#45Method and apparatus for the production of polarization holograms
#46Multiple Security Means Comprising an Interactive Security Element
#47Hologram fabrication process and fabricated hologram
#48Optical security marking component, method of manufacturing such a component, system comprising such a component, and reader for checking such a component
#49Structural body, a method for reading a structural color and/or diffraction light, and a truth/false discriminating method
#50Identification medium
#51Discrimination medium comprising a liquid crystal layer acting as a half-wave plate wherein a gradation of gradual or continuous color changes are displayed according to an area
#52PRINTING APPARATUS AND METHOD
#53Metal identification platelet and method of producing thereof
#54Security Holograms
#55Article With Micro Indicia Security Enhancement
#56Molded Article Incorporating Volume Hologram
#57Security hologram, method of recording same, and method of using same wherein the holographic imaging includes a single coherent beam of electromagnetic radiation in combination with a Lloyd's mirror to provide both reference and object beams
#58Enhanced environment visualization using holographic stereograms
#59Holographic data support and method for production thereof
#60Holographic or diffraction device
#61Security devices incorporating optically variable adhesive
#62Biometric Hologram Based Data Verification Methods And Apparatus
#63Adhesive Chromagram And Method Of Forming Thereof
#64Hologram having authentication information recorded therein
#65STORAGE MEDIUM FOR CONFIDENTIAL INFORMATION
#66Holographic or diffraction devices
#67Hologram read system
#68Method and apparatus for labeling using optical identification elements characterized by X-ray diffraction
#69Security hologram and associated methods of use and of making
#70Fabrication process for cholesteric liquid crystal media having a volume hologram
#71Diffractive, polarization modulating optical devices
#72Security label which is optically read by terahertz radiation
#73Covert surface relief hologram design, fabrication and optical reconstruction for security applications
#74Information security using digital holography
#75Digitally watermarking holograms
#76Method and apparatus for drug product tracking using encoded optical identification elements
#77Recording medium and hologram reader
#78Optical identification element using separate or partially overlapped diffraction gratings
#79Method and device for producing individualized holograms
#80Covert hologram design, fabrication and optical reconstruction for security applications
#81Computer-generated hologram fabrication process, and hologram-recorded medium
#82Method of forming a rainbow security hologram
#83Method for using a deep image hologram as a security device and a deep image hologram
#84Method for calculating and producing a computer-generated hologram and also a storage medium with a computer-generated hologram and a reading device
#85Method of producing and viewing 3-dimentional images and secure data encryption/decryption based on holographic means
#86Secured document, system for manufacturing same and system for reading this document
#87Enhanced environment visualization using holographic stereograms
#88Systems and methods for fabricating variable digital optical images by printing directly on generic optical matrices