| 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) |
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| 01/08/1992 | EP0465429A1 Method for copying a holographic optical element and utilisation of the obtained element |
| 01/08/1992 | EP0464081A1 Method of manufacturing an optical disc |
| 01/07/1992 | US5079555 Sequential image synthesizer |
| 01/02/1992 | EP0463153A1 Volume phase hologram with liquid crystal in microvoids between fringes |
| 12/30/1991 | WO1992000555A1 Method and apparatus for recording plural holographic images into a holographic recording material by temporal interleaving |
| 12/30/1991 | CA2085587A1 Method of recording plural holographic images into a holographic recording material by temporal interleaving |
| 12/27/1991 | EP0462698A2 Masks for high quality images from total internal reflection holograms |
| 12/12/1991 | WO1991017488A3 Method of manufacturing an integrated circuit |
| 12/11/1991 | EP0460625A2 Optical information processing apparatus and method using computer generated hologram |
| 12/10/1991 | US5072091 Method and apparatus for metal surface process by laser beam |
| 12/10/1991 | US5071597 Making a model, forming layer of hard material, separation |
| 12/03/1991 | CA1292631C Method for constructing holograms |
| 11/28/1991 | WO1991018330A2 Device for improving the optical contrast of a holographic image |
| 11/26/1991 | US5067792 Method and apparatus for interfacing of holographic and electronic data |
| 11/26/1991 | CA1292378C Holographic indicator for determining vehicle perimeter location |
| 11/21/1991 | EP0456767A1 Erasable optical information storage system |
| 11/19/1991 | US5066525 Laminated glass panel incorporating hologram sheet |
| 11/19/1991 | US5066047 Process for incorporating hologram into laminar structure with photograph |
| 11/19/1991 | CA1292139C Edible holographic element |
| 11/14/1991 | WO1991017488A2 Method of manufacturing an integrated circuit |
| 11/13/1991 | EP0455823A1 Metallic container equipped with hologram or diffraction grating |
| 11/13/1991 | EP0349634A4 System and method for photorefractive holographic recording and signal processing |
| 11/12/1991 | US5064264 Optical waveguides |
| 11/12/1991 | US5064257 Optical heterodyne scanning type holography device |
| 11/05/1991 | CA1291657C Systems and methods for processing optical correlator memory devices |
| 10/23/1991 | EP0453362A1 Device for processing dynamic holograms using photorefractive polymeric thin films |
| 10/23/1991 | EP0277981B1 Composite holographic elements |
| 10/22/1991 | US5059499 Recording light pattern onto silver surface sensitized with halogen, exposing to coherent radiation, etching to contour |
| 10/22/1991 | US5058992 Method for producing a display with a diffraction grating pattern and a display produced by the method |
| 10/17/1991 | DE4012001A1 Recording interference fields using large aperture - blends in origin of reference beam in principal plane of lens or nearby |
| 10/16/1991 | EP0451681A2 Optical apparatus |
| 10/16/1991 | EP0451386A1 Data storage |
| 10/16/1991 | EP0214226B1 Process for improving holographic efficiency |
| 10/16/1991 | CN2086912U Hologram moulding press |
| 10/15/1991 | US5056880 Holographic wallpaper |
| 10/15/1991 | CA1290601C Method for generating a lattice structure with a phase shift on the surface of a substrate |
| 10/09/1991 | EP0450644A2 A liquid crystal spacial light modulator and a holographic image information recording apparatus using the same |
| 10/09/1991 | CN1055247A Electrolessly deposited metal holograms |
| 10/02/1991 | EP0449164A2 Method for forming a computer generated hologram |
| 10/01/1991 | US5052765 Scanning fiber optic holographic exposure and feedback system |
| 10/01/1991 | US5052764 System and method for forming a holographic exposure with a simulated source |
| 09/25/1991 | CN1054840A Method for making optically readable media containing embossed information |
| 09/23/1991 | WO1991014975A1 Electrolessly deposited metal holograms |
| 09/23/1991 | CA2077536A1 Electrolessly deposited metal holograms |
| 09/19/1991 | WO1991012365A3 Holographic image containing foil-textile laminate and process for the production thereof |
| 09/17/1991 | US5049963 Holographic television apparatus with semiconductor device |
| 09/17/1991 | CA1288981C Replication of carriers bearing digitally recorded information |
| 09/12/1991 | DE4007374A1 Holograph signal to noise ratio improving appts. - recorded on medium with bacterio-rhodopsin base, and uses linear polarised light for reconstruction |
| 09/11/1991 | EP0446154A2 Photorefractive device |
| 09/11/1991 | EP0445758A2 Method for improving the signal-to-noise ratio in holography when using bacteriorhodopsin based recording media |
| 09/10/1991 | US5046792 Holographic printer |
| 09/10/1991 | CA2036443A1 Photorefractive device and process for its use |
| 09/04/1991 | EP0444215A1 Achromatic hologram optical system |
| 09/04/1991 | CN1054324A Photopolymerizable compositions sensitive to longer wavelength visible actinic radiation |
| 09/03/1991 | US5044709 LED array polarized image source/0 degree hologram virtual image head up display |
| 09/03/1991 | US5044708 Wide visual field hologram |
| 09/03/1991 | US5044707 Holograms with discontinuous metallization including alpha-numeric shapes |
| 08/22/1991 | WO1991012365A2 Holographic image containing foil-textile laminate and process for the production thereof |
| 08/14/1991 | CN1053850A Methods for making polygonal holograph raster |
| 08/14/1991 | CN1053846A Elements for recording volume transmission holograms |
| 08/13/1991 | US5039583 Erasable optical information storage system |
| 08/13/1991 | US5039182 Storing information in dual holographic images |
| 08/06/1991 | US5038335 Hierarchically multiplexed optical recording system for storage of digital data |
| 07/31/1991 | EP0439092A2 Holograms with discontinuous metallization including alphanumeric shapes |
| 07/31/1991 | EP0439050A2 Method for making optically readable media containing embossed information |
| 07/25/1991 | WO1991010926A1 Volume phase hologram with liquid crystal in microvoids between fringes |
| 07/25/1991 | DE4036456A1 Real=time checking of holograms - has surface optically scanned to provide inputs to processor |
| 07/24/1991 | CN1013260B Decoration of sheeting |
| 07/19/1991 | CA2034542A1 Method for making optically readable media containing embossed information |
| 07/17/1991 | EP0437259A2 Photopolymerizable compositions sensitive to longer wavelength visible actinic radiation |
| 07/16/1991 | US5032003 Optially variable surface pattern |
| 07/16/1991 | CA1286132C Security diffraction devices difficult to exactly duplicate |
| 07/13/1991 | CA2033821A1 Photopolymerizable compositions sensitive to longer wavelength visible actinic radiation |
| 07/11/1991 | WO1991010174A1 Pressure casting material having hologram or diffraction grating |
| 07/11/1991 | WO1991010170A1 Programmable masking apparatus |
| 07/10/1991 | EP0436349A1 Decorative lamp |
| 07/10/1991 | CN1052957A Manufacturing method of holographic lenses array |
| 07/04/1991 | DE4039674A1 Three=dimensional rainbow hologram reproduction, from stereogram - uses masking of alternate left and right viewpoints |
| 07/03/1991 | EP0435510A2 Method and apparatus for recording Lippmann holographic mirrors |
| 07/03/1991 | EP0435147A2 Elements for recording volume transmission holograms |
| 07/03/1991 | EP0217821B1 Edible holographic element |
| 07/02/1991 | US5028102 Parallel optical information processing system |
| 06/29/1991 | CA2032697A1 Elements for recording volume transmission holograms |
| 06/25/1991 | US5026618 Photosensitive material and volume type phase hologram member formed therefrom |
| 06/25/1991 | US5026132 Method of producing and reproducing holograms |
| 06/18/1991 | US5024909 Dry film process for altering wavelength response of holograms |
| 06/18/1991 | US5024495 Computer software protection, by optical effects |
| 06/13/1991 | WO1991008525A1 Metallic container equipped with hologram or diffraction grating |
| 06/13/1991 | WO1991008524A1 Method for embossing holograms |
| 06/13/1991 | CA2067731A1 Method for embossing holograms |
| 06/12/1991 | EP0431584A1 Method for making silver halide emulsion, photosensitive materials using the same, and methods of recording images using the photosensitive materials |
| 06/12/1991 | CN1052199A Holographic mirror, manufacture technology thereof, and prescription of treating liquid |
| 06/11/1991 | US5023859 Optical data storage apparatus and method utilizing an amorphous polymer which exhibits photochromic properties |
| 06/11/1991 | US5022727 Method and apparatus for producing full color stereographic holograms |
| 06/05/1991 | EP0430524A1 Data base searching |
| 05/30/1991 | WO1991007703A1 Apparatus for making holograms |
| 05/28/1991 | US5018838 Method and device for achieving optical spatial phase modulation |
| 05/28/1991 | US5018804 Laser pick-up |
| 05/28/1991 | US5018801 Achromatic volume holography apparatus |
| 05/22/1991 | EP0428333A2 Preparing holograms |