Patents
Patents for G03H 1 - 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 (12,452)
10/2002
10/02/2002EP1244943A1 Improvements to acquisition and replay systems for direct-to-digital holography and holovision
10/02/2002EP1244902A1 Sensor with holographic multiplexed image display
10/02/2002EP0680411B2 Document with doped optical safety mark, stratified composite paper for producing the same and device for checking the authenticity of the document
10/02/2002DE10111946A1 Method for producing display screen holograms illuminates a real display screen with narrow-band light for a single wavelength in order to create a hologram of the real display screen.
10/01/2002US6459513 Holographic shrink wrap element and method for manufacture thereof
09/2002
09/26/2002WO2002075727A1 Tracking techniques for holographic data storage media
09/26/2002WO2002075459A1 Hologram carrier
09/26/2002WO2002075458A2 Thermoplastic substrates for holographic data storage media
09/26/2002WO2002075411A1 Holographic spectral filter
09/26/2002US20020136143 Tracking techniques for holographic data storage media
09/26/2002US20020135833 Method and apparatus for increasing the effective efficiency of holograms
09/26/2002US20020135832 Self-referenced holographic storage
09/26/2002US20020135829 Thermoplastic substrates for holographic data storage media
09/25/2002EP1243983A2 Hologram recording medium, hologram recording method and hologram recording and reproducing apparatus
09/25/2002EP1242997A1 Photorefractive holographic recording media
09/25/2002CN1371013A Making process of real-time refreshable holographic optical spatial matched filter
09/25/2002CN1091522C Optical components with graded-index structure and method of producing such components
09/24/2002US6456760 Optical signal processing apparatus and optical signal processing method
09/24/2002US6456405 Method and apparatus for displaying computer generated holograms
09/24/2002US6454895 Process for producing holographic material
09/23/2002CA2341929A1 Holographic recording material
09/19/2002US20020131174 Diffraction surfaces and methods for the manufacture thereof
09/19/2002US20020130104 Demetallizing in register with a pre-printed web
09/19/2002DE10113392A1 Hologram data medium, for storing large quantities of data in small space, has reference surface with at least one step for engagement by complementary formation on detection device to align detection device
09/19/2002DE10105957A1 Verfahren zur Herstellung von Licht streuenden Elementen A process for producing light-scattering elements
09/18/2002EP1241618A1 Record carrier with an optical variable element and method of producing it
09/18/2002EP1241537A1 Hologram forming method
09/18/2002EP1241022A1 Record carrier with an optical variable element and method of producing it
09/18/2002EP1240031A1 Security article including diffractive optic filter
09/18/2002EP1240017A1 Holographic films
09/17/2002US6453085 Switching system with MEMS modification of a signal wavefront
09/17/2002US6452890 Optical storage medium, optical storage method, optical reading method, optical reading apparatus, optical retrieving method and optical retrieving apparatus
09/17/2002US6452699 Controlled diffraction efficiency far field viewing devices
09/17/2002US6452698 Muiltilayer polyethylene terephthalate or polycarbonate foils having patterned chalcogenide coatings; refractive index; anticounterfeiting
09/12/2002WO2001020406A9 Holographically-formed polymer dispersed liquid crystals with multiple gratings
09/12/2002US20020126333 Production method and device for hologram
09/12/2002US20020126332 System and method for modulating light intesity
09/12/2002US20020126331 Holographic optical element
09/12/2002CA2376395A1 Holographic microscope and method of hologram reconstruction
09/11/2002EP1238308A1 Optical medium for registration of holographic interferograms
09/11/2002CN1368890A Edible holographic products particularly pharmaceuticals and methods and apparatus for producing same
09/10/2002US6449067 Cartridge for hologram-image recording medium and cartridge including braking mechanism
09/10/2002US6446467 Casting and molding sol-gel solution of water, metal alkoxide and solvent; gelation, embossing, aging, and heat treatment; holography
09/06/2002WO2002033494A3 Holographic stereogram printing apparatus and a method therefor
09/04/2002EP1236073A2 Holographic printer
09/04/2002EP0986796B1 Diffractive surface pattern
09/03/2002US6445470 Apparatus for simultaneous spatial modulation of incoherent/coherent angulary multiplexed optical beams
09/03/2002US6444072 Process for producing holographic material
08/2002
08/29/2002WO2002067061A1 Hologram duplicating device and method
08/29/2002US20020118409 Method for producing holographic optical element comprising primary and complementary holograms and associated methods for establishing authenticity of element used as security device
08/28/2002EP0858622B1 Optically variable device (ovd), method of recording ovd and an ovd recorder
08/27/2002US6441930 Method and apparatus for making holograms including a diffuser shiftable in its own plane
08/27/2002US6440277 Coating resins onto paper substrates, forming grooves on the surfaces and curing the resin, then applying a reflective layer; continuous processing
08/22/2002WO2002065166A1 Method for producing light scattering elements
08/22/2002US20020114998 Nondegenerate four-wave mixing using photoinduced charge-transfer materials
08/22/2002US20020114084 Micro relief element and preparation thereof
08/20/2002US6437919 System for the production of a dynamic image for display
08/20/2002US6436584 Image-recording medium, method for forming image-recording medium, method and apparatus for reading data
08/15/2002WO2002063399A1 Hologram forming apparatus and method
08/15/2002WO2002063398A1 Double hologram
08/15/2002US20020110740 Photosensitive composition for volume hologram recording and photosensitive medium for volume hologram recording
08/15/2002US20020109872 Apparatus for making holograms including images of particular sizes
08/14/2002EP1231511A2 Photosensitive composition for volume hologram recording and photosensitive medium for volume hologram recording
08/14/2002EP1230576A1 System and method for recovering phase information of a wave front
08/14/2002EP1230097A1 Securement of documents or products by affixing an optically active component for verifying authenticity
08/14/2002EP1073937A4 Diffusing imager and associated methods
08/14/2002DE10106105A1 Doppelhologramm Double hologram
08/14/2002CN2505876Y Composite dynamic hologram shooting device
08/14/2002CN1364120A Security device
08/14/2002CN1363862A Process for preparing laser hologram on surface of metal product
08/13/2002US6432498 Volume hologram laminate
08/13/2002US6432244 Process for producing holographic material
08/08/2002WO2002061508A1 Composition for hologram-recording material, hologram-recording medium, and process for producing the same
08/07/2002EP1229492A1 Data carrier with an optically variable element
08/07/2002CN1088892C Information storage medium packaging body
08/01/2002WO2001050201A9 Improvements to acquisition and replay systems for direct-to-digital holography and holovision
08/01/2002US20020101629 Hologram recording medium, hologram recording/reconstructing apparatus, and hologram recording/reconstructing method
07/2002
07/31/2002CN1361452A Optical holographic 3D synthesis process to part longitudinal area of chromatographic image circularly
07/30/2002US6426812 Hologram color filter, and its fabrication method
07/30/2002US6426811 Switchable holographic optical system
07/30/2002US6426810 Illumination system for an electrooptic color display screen
07/25/2002WO2002019040A9 Holographic storage medium comprising polyfunctional epoxy monomers capable of undergoing cationic polymerization
07/25/2002US20020099204 For use in optical recording of information for writable recording media
07/25/2002US20020098419 Method of fabricating hologram screen and hologram imaging apparatus
07/25/2002US20020098418 Storage medium comprising strontium barium niobate single crystal containing europium and cerium as impurities; for use in holography, phase conjugate mirror, and optical amplifier
07/25/2002US20020097459 Apparatus for making holograms including means for controllably varying a beamsplitter
07/25/2002US20020097457 Method for producing a hologram and a display device using the same
07/25/2002US20020096985 Holographic privacy filter for display devices
07/25/2002DE10202299A1 Method for producing a hologram display arranges mirrors on an end section for a light diffuser to capture multiple holograms on photosensitive parts with multiple object beams.
07/24/2002CN2501704Y Three-dimensional holographic and vein general anti-false identifier
07/24/2002CN1360544A Diffractive surfaces with color shifting backgrounds
07/24/2002CN1360235A Two-step technique for taking up reflection-type true-colour hologram
07/23/2002US6423799 Irradiation
07/17/2002EP1222494A1 Optical switch
07/17/2002EP0772794B1 Reflective image-providing display viewed with holographically diffused ambient light
07/17/2002CN1359340A Security article including diffractive optic filter
07/16/2002US6421109 Method and system for display resolution multiplication
07/11/2002WO2002054500A1 Integrated-circuit technology photosensitive sensor
07/11/2002WO2002054143A1 Radiation detector using polymer-dispersed liquid crystal cell
07/11/2002US20020090578 Methods for transferring holographic images into metal surfaces
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