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)
02/2000
02/08/2000US6023352 Methods and systems for thermal fixing and/or erasing of holograms
02/02/2000EP0746803B1 Methods and apparatus for making holograms
02/01/2000US6020090 Capable of increasing a visible area during reproduction.
02/01/2000CA2078097C Purple membrane preparations having increased holographic diffraction efficiency
01/2000
01/26/2000EP0769178B1 Structural assembly with profile giving diffractive properties
01/26/2000CN1242530A Holographic stereogram creating apparatus and method
01/25/2000US6018403 Image reproducing method and apparatus
01/25/2000US6018402 Apparatus and method for phase-encoding off-axis spatial light modulators within holographic data systems
01/25/2000US6017657 Electroforming an embossing shim of nickel on positive holographic master surface in a hardening bath to produce a durable layer which is pressed into unheated substrate surface during embossing
01/20/2000WO2000003309A1 Projection system based on reconfigurable holographic optics
01/20/2000WO2000003286A1 Diffractive homogenizer with compensation for finite spatial coherence
01/20/2000WO2000003274A1 Switchable holographic optical system
01/20/2000CA2336850A1 Switchable holographic optical system
01/20/2000CA2336780A1 Projection system based on reconfigurable holographic optics
01/19/2000CN1242083A Projection televisions with three-dimensional holographic screens
01/19/2000CN1241562A New O-acyloxime photointiators
01/18/2000US6016210 Scatter noise reduction in holographic storage systems by speckle averaging
01/13/2000WO2000002098A1 Electro-holographic optical switch
01/13/2000CA2336588A1 Electro-holographic optical switch
01/11/2000US6014219 Method and system for evaluating the quality of holograms
01/11/2000US6014187 Display device
01/05/2000EP0969338A1 Holographic stereogram creating apparatus and method
01/05/2000EP0969337A1 Optical display
01/05/2000EP0969323A1 Material exhibiting compensation for polymerization-induced shrinkage and recording medium formed therefrom
01/05/2000EP0827007A4 Method of forming and reproducing a three-dimensional image and a device for that purpose
01/04/2000US6011767 Optical data storage disc with a visible holographic image and method for its manufacture
12/1999
12/30/1999DE19928742A1 New O-acyloximes used as photoinitiator in photopolymerizable composition
12/28/1999US6008914 Laser transfer machining apparatus
12/28/1999US6007888 Directed energy assisted in vacuo micro embossing
12/28/1999US6006415 Techniques for transferring holograms into metal surfaces
12/22/1999EP0965131A1 A polymeric photo-chromic composition
12/22/1999EP0965064A1 Energy-depleted radiation apparatus and method
12/21/1999US6005691 High-security machine-readable holographic card
12/21/1999US6005666 Apparatus for and method of optical inspection in total internal reflection holographic imaging system
12/16/1999WO1999064933A1 Crossed grating photonic crystals and multiple exposure processes for making them
12/16/1999WO1999050717A3 Light-modifying and other structures using dichromated gelatine and other materials, and methods of making such structures
12/16/1999CA2334692A1 Crossed grating photonic crystals and multiple exposure processes for making them
12/15/1999EP0964317A1 Total internal reflection holographic recording and imaging apparatus and a method of forming a hologram and reconstructing an image therefrom
12/15/1999EP0964305A1 Method of making a photonic crystal
12/14/1999US6001510 Inserting potential images r,t and matched potential images r',t' in anti-counterfeit identification marks and inspecting marks, respectively by means of charged particle track image in sampling coincidence with computer generated hologram
12/09/1999WO1999063408A1 Holographic sensors and their production
12/07/1999US5999280 Holographic anti-imitation method and device for preventing unauthorized reproduction
12/01/1999EP0961181A1 Hologram and process for producing hologram
12/01/1999CN2351773Y Holographical photoetching system
11/1999
11/30/1999US5993600 Continuous film laminating and delaminating system
11/30/1999CA2092067C Beam splitter comprising stratified volume holographic gratings
11/24/1999EP0958515A1 Holographic display screen with integrated speckle suppression
11/24/1999EP0958329A1 Switchable volume hologram materials and devices
11/23/1999US5991057 Image transformation of a picture by using a superimmposed hologram
11/23/1999US5989923 Hologram containing sensor
11/18/1999WO1999059036A1 Holographic security device
11/18/1999WO1999059035A1 Holographic patterning method and tool employing prism coupling
11/18/1999WO1999058327A1 Directed energy assisted in vacuo micro embossing
11/18/1999WO1999058319A1 Method for making optical masters using incoherent light
11/18/1999CA2336481A1 Holographic patterning method and tool employing prism coupling
11/18/1999CA2329936A1 Holographic security device
11/18/1999CA2328868A1 Directed energy assisted in vacuo micro embossing
11/17/1999EP0956514A1 Laser back-projection screen
11/17/1999EP0956280A1 Non-volatile phenylglyoxalic esters
11/16/1999US5986781 Apparatus and method for generating diffractive element using liquid crystal display
11/16/1999US5986780 Hologram reconstructing apparatus
11/16/1999US5985490 Hologram and method of and apparatus for producing the same
11/16/1999CA2141041C Optical radiation devices
11/11/1999WO1999057719A1 System and method for recording of information on a holographic recording medium, preferably an optical card
11/11/1999WO1999057682A1 Security element to prevent counterfeiting of value documents
11/11/1999WO1999057612A1 Holographic shrink wrap element and method for manufacture thereof
11/11/1999WO1999057583A1 Broadband diffractive diffuser and associated methods
11/11/1999CA2330540A1 Security element to prevent counterfeiting of value documents
11/09/1999US5982954 Optical field propagation between tilted or offset planes
11/09/1999US5982513 Method and system to align holographic images
11/04/1999WO1999056182A1 Diffusing imager and associated methods
11/03/1999EP0953937A1 Security element to prevent counterfeiting of value documents
11/02/1999US5978112 Non-volatile readout of shift multiplexed holograms
11/02/1999US5978110 Holographic optical grating and method for optimizing monochromator configuration
11/02/1999US5976717 Coating comprising a photochromic material, a method for its production as well as its use
11/02/1999CA2104904C Stereoscopic display method and apparatus
10/1999
10/28/1999WO1999054779A1 Lenses for holographic glasses and variants
10/26/1999US5973807 Large display composite holograms and methods
10/26/1999US5973806 System and method for steering Fresnel region data using cylindrical coordinates to access data locations in a holographic memory
10/21/1999WO1999053355A1 Microscope generating a three-dimensional representation of an object and images generated by such a microscope
10/21/1999WO1999053138A1 Aqueous based image receptive coating and process for producing same
10/21/1999WO1999034239A3 Actively controllable multifocal lens
10/21/1999CA2327478A1 Aqueous based image receptive coating and process for producing same
10/20/1999EP0950210A1 Projection televisions with three-dimensional holographic screens
10/20/1999CN1232480A Substd. phthalocyanines and their use
10/13/1999EP0949547A2 Volume hologram laminate and label for preparation of volume hologram laminate
10/13/1999EP0949546A2 Volume hologram laminate
10/13/1999EP0838041A4 Position feedback system for volume holographic storage media
10/12/1999US5966361 Spinning disc volume holographic memory
10/12/1999US5966223 Planar holographic optical device
10/12/1999CA2048228C Process for incorporating hologram into laminar structure with wet photograph
10/07/1999WO1999050717A2 Light-modifying and other structures using dichromated gelatine and other materials, and methods of making such structures
10/07/1999WO1999031531A3 Scatter noise reduction in holographic storage systems by speckle averaging
10/06/1999EP0946894A1 Beam homogenizer
10/06/1999CN2342395Y Camera device for dynanic holograph
10/05/1999US5963346 Scatter noise reduction in holographic storage systems by two-step write
09/1999
09/29/1999EP0945871A2 Volume holographic memory-based optical information- recording/reproducing apparatus
09/29/1999EP0945870A2 Volume holographic memory-based optical information-recording/reproducing apparatus
09/29/1999EP0945762A1 Optical article and process for forming article
09/29/1999EP0548142B2 Security device