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)
12/1994
12/07/1994EP0627675A1 Diffractive optical device for the optical imaging of one space point on other space points
12/07/1994EP0627666A1 Apparatus and method for changing the scale of a printed pattern
12/07/1994EP0627426A1 Pyran derivative, photosensitive resin composition, and hologram recording medium using it
12/07/1994EP0626909A1 Transfer method and device
12/07/1994CN1096105A Fourier information-recording method
12/07/1994CN1026890C Hologram grating resin sandwich transparent glass
12/06/1994CA2006606C Incoherent light holographic method and device
11/1994
11/30/1994EP0626079A1 Holographic imaging
11/30/1994EP0597853A4 Automatic light valves.
11/29/1994US5369511 Methods of and apparatus for manipulating electromagnetic phenomenon
11/29/1994US5368990 Photopolymerizable composition
11/24/1994WO1994027194A1 Apparatus for producing a moving 3-dimensional image
11/23/1994EP0625096A1 Image enhancement
11/17/1994EP0624580A1 Styrylcoumarin compound, photosensitive resin composition, and hologram recording medium
11/16/1994CN1095167A Method, material and equipment for holographic copy and direct pressing
11/15/1994US5365354 Grin type diffuser based on volume holographic material
11/10/1994WO1994025915A1 Holographic operator interface
11/08/1994US5363220 Diffraction device
11/01/1994US5361148 Holographic storage device
11/01/1994US5360501 Holographic transfer lamination materials and process
11/01/1994CA1332796C Photopolymerizable compositions and elements for refractive index imaging
10/1994
10/27/1994WO1994024615A1 Holograms
10/27/1994CA2161082A1 Holograms
10/19/1994EP0620501A2 Photosensitive composition for volume hologram recording
10/19/1994EP0619892A1 Methods of hologram constructions using computer-processed objects
10/19/1994CN2179980Y Laser decorative board
10/18/1994US5355600 Point-of-purchase displays and signs with light transmitting visual effects
10/18/1994CA1332521C High efficiency holograms by multiple-layer holography
10/13/1994WO1994023395A1 Optical data element
10/13/1994WO1994018603A3 Holography, particularly, edge illuminated holography
10/13/1994CA2159337A1 Optical data element
10/13/1994CA2120847A1 Photosensitive composition for volume hologram recording
10/12/1994EP0387347B1 Optical correlator system
10/11/1994CA1332301C Non-continuous holograms, methods of making them and articles incorporating them
10/05/1994EP0617797A1 Image synthesis using time sequential holography
10/04/1994CA1332211C Volume phase reflection holograms and methods for fabricating them
09/1994
09/29/1994DE4309725A1 Device for reconstructing a hologram
09/28/1994EP0617396A2 Large rainbow-hologram for weather-resistant fa-sighted advertising surfaces
09/27/1994US5351142 Authenticated document
09/20/1994US5349179 Night vision device with holographic reticle which is transparent in a first condition and visibly superimposed in a second condition
09/15/1994WO1994020868A1 Method for manufacturing optical components with periodic or quasi-periodic optical properties
09/15/1994DE4307277A1 Distant-vision holograms
09/15/1994DE4307120A1 Method for producing a light-guiding element
09/15/1994CA2134771A1 Method for manufacturing optical components with periodic or quasi-periodic optical properties
09/14/1994CN1092191A Record with removable two-dimensional code
09/13/1994US5347435 Linear lamp holographic trapped beam center high mounted stoplight
09/13/1994US5347376 Method and apparatus for producing a holographic shadowgram
09/13/1994US5347375 Computer-assisted holographic image formation technique which determines interference pattern data used to form the holographic
09/13/1994US5347111 Authenticity identifying structure for an article
09/07/1994EP0502111B1 Method for embossing holograms
09/01/1994WO1994019712A1 Holographic optical devices
08/1994
08/31/1994EP0613028A2 Directional light filter and holographic projector system for its production
08/31/1994CN1091529A Holographic picture products with metal film sandwich
08/30/1994US5342672 Holographic thermal transfer ribbon
08/24/1994EP0611472A1 Optical data storage disc.
08/24/1994EP0611458A1 A method of designing a hologram
08/23/1994US5341229 Holographic display system
08/23/1994CA2114703A1 Directional light filter and holographic projector system for its production
08/18/1994WO1994018609A1 Process, printing material and device for reproducing holographic fine structures and other diffraction grids on print products
08/18/1994WO1994018603A2 Holography, particularly, edge illuminated holography
08/18/1994CA2155850A1 Process printing material and device for reproducing holographic fine structures and other diffraction grids on print products
08/17/1994EP0610966A1 Holographic display transmitting device
08/16/1994US5339305 Disk-based optical correlator and method
08/16/1994US5339177 Incoherent/coherent source array for multiplexed holographic recording and readout
08/10/1994EP0609807A2 Plastic card provided with magnetic stripe
08/10/1994EP0609683A1 Relief hologram and process for producing a relief hologram
08/10/1994CN2173785Y Laser ornamental glass
08/09/1994US5337361 Record with encoded data
08/09/1994US5337170 Quadratic optical processor for reducing multiplicative noise and other uses
08/09/1994CA1331298C Segmented 3-d hologram display
08/09/1994CA1331297C Holographic display panel for vehicle windshield
08/03/1994EP0608358A1 Optical data storage disc.
08/03/1994EP0426734B1 Correction of aberrations in holographic underwater inspection
08/02/1994US5335098 Fixing method for narrow bandwidth volume holograms in photorefractive materials
08/02/1994US5335062 Apparatus for all-optical self-aligning holographic phase modulation and motion sensing and method sensing and method for sensing such phase modulation
07/1994
07/26/1994US5333071 Holographic display apparatus
07/21/1994DE4301186A1 White light transmission hologram production e.g. for cheque card
07/19/1994US5331445 Increased Bragg angle sensitivity hologram system and method
07/19/1994US5331444 Moisture-insensitive holograms and method for making the same
07/19/1994US5331443 Laser engraved verification hologram and associated methods
07/19/1994US5330264 Method and apparatus for copying and manufacturing hologram plate
07/19/1994CA1330728C Off-axis holographic instrument illuminator
07/19/1994CA1330727C Holographic thin panel display system
07/07/1994WO1994014632A1 Linear lamp holographic trapped beam center high mounted stoplight
07/06/1994EP0604943A1 Monochromatic-light reproduction type hologram, and method and apparatus for its image reproduction
07/06/1994EP0604900A1 Encoded hologram strip
07/05/1994US5327266 Simultaneous multiple exposure holograms using coherence mismatch to prevent crosstalk
06/1994
06/30/1994CA2112179A1 High security spectral code strip
06/29/1994EP0603870A1 Modified technique for fabricating low noise floodlit CHMSL holograms
06/29/1994EP0414770B1 A fixture for supporting objects so that the objects will be absolutely firm
06/23/1994WO1994014092A1 Methods and devices for using photorefractive materials at infrared wavelengths
06/23/1994CA2112068A1 Modified technique for fabricating low noise floodlit chmsl holograms
06/22/1994EP0602813A1 Hologram system and method
06/22/1994CN1088312A High-temp. holographic grating and is making method
06/15/1994EP0293461B1 Holograms
06/09/1994WO1994012913A1 Methods and apparatus for making holograms
06/07/1994US5319476 Multiply recorded hologram for security
06/07/1994US5318816 Laminated hologram decals for identification cards and the like
06/01/1994EP0598761A1 Photorefractive systems and methods
05/1994
05/31/1994US5317435 Holographic recording apparatus having a liquid crystal modulator including a diffuser with plural phase shift regions