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Match Document Document Title
9039188 Illumination device, projection device, and projection-type image display device  
Provided is an illumination device which illuminates an illuminated zone with a plurality of coherent light beams having mutually different wavelength ranges, so that it is possible to allow...
9025226 Infrared holographic projector for thermal masking and decoys  
A holographic structure, system and method project a grey-scale image in a narrow IR spectral band that is related to a broadband thermal signature of an object. The projected grey-scale image,...
9019584 Holographic image reproduction mechanism using ultraviolet light  
A holographic image display system comprises a screen, a first and a second light source, a scanning mechanism, and a controller. The screen includes a photochromic material arranged thereon. The...
8982438 Apparatus and method for holography 3-dimensional display  
An apparatus includes a recording light source configured to emit recording beams, an EASLM configured to time sequentially modulate the recording beams emitted from the recording light source...
8958137 Holographic display device with 2D encoding  
A holographic display including light sources (LS1, LS2, . . . ) in a 2D light source array, lenses (L1, L2, . . . ) in a 2D lens array, a spatial light modulator (SLM) and a beamsplitter, in...
8941903 Laser emitting apparatus using a basic hologram and a focusing hologram  
A laser processing apparatus including a laser light source, a phase modulation type spatial light modulator, a driving unit, a control unit, and an imaging optical system. A storage unit that is...
8941902 Display device for displaying a reconstruction of an object  
A method of computing a hologram for reconstructing an object using a display device. The display device enables a holographic reconstruction of the object. The display device includes a light...
8937759 Optical processing  
A modular routing node includes a single input port and a plurality of output ports. The modular routing node is arranged to produce a plurality of different deflections and uses small adjustments...
8917431 Holographic color display device having a color filter with parallel, vertical color stripes of primary colors  
A color filter with parallel, vertical color strips of the RGB base colors associated with the image separating element, the color strips repeating horizontally within the color filter in periodic...
8908249 Wide angle hologram device illuminated with a near field source and method for manufacturing same  
A method of manufacturing a master for producing a hologram device is provided. The holographic image reconstructs when the photosensitive film of the hologram device is struck by a beam of light...
8903207 System for and method of extending vertical field of view in head up display utilizing a waveguide combiner  
A Head Up Display can be utilized to find light from an energy source. The Head Up Display includes a first waveguide having a first input coupler and a first output coupler. The Head Up Display...
8885237 Hologram preparation method, hologram and security medium using such hologram  
A method of preparing a hologram where an original image is recorded as interference fringes on a predetermined recording surface by arithmetic operations using a computer, the method including: a...
8878759 Apparatus and method for displaying a video image  
A method of displaying a video image comprises receiving sequential image frames at a processor. Each image frame is processed to obtain a kinoform. A programmable diffractive element such as an...
8873119 System of displaying digital hologram based on projection and method thereof  
A system and a method perform buoyance of a 3D hologram image on a hologram display screen in a projection mode. A system of displaying a digital hologram includes: a composite hologram unit...
8873120 Computer implemented method for generating binary holograms  
A numerical method of recording a two or three dimensional object scene in a binary hologram. When the binary hologram is illuminated with a reference beam, the original object scene can be...
8830549 Holographic dislpay using liquid crystal display device operating with unpolorized light  
An electroholographic display system (800, 900) for displaying a holographic image, includes a coherent light source (830, 930) producing a coherent, collimated, light beam; a spatial light...
8824033 Color photographic hologram system  
A color photographic hologram system is provided. The reference light wave is incident to the film at a fixed reference beam angle. By adjusting an included angle between the object light wave...
8817349 Photographic hologram system  
A photographic hologram system is provided. The use of an image slicing process and/or the arrangement of half-cylindrical lens in the optical path of an optical light wave and upstream of the...
8804220 Method of computing a hologram  
A method of computing a hologram by determining the wavefronts at the approximate observer eye position that would be generated by a real version of an object to be reconstructed. In normal...
8804221 Stacking a visible image and a synthetic hologram  
A synthetic hologram of a first image consists of an array of coding cells each comprising light and dark portions. A second visible image is superposed to the synthetic hologram, where the light...
8797382 Dynamically reconfigurable holograms for generating color holographic images  
Various embodiments of the present invention are directed to negative refractive index-based holograms that can be electronically controlled and dynamically reconfigured to generate one or more...
8786399 Computer implemented method to display technical data for monitoring an industrial installation  
A computer implemented method to display an industrial installation, which display may also display information about an event or an alarm in the installation. The method includes displaying an...
8755101 Method of producing a microstructured product  
The present invention provides a method of producing a two-sided microstructured product and a registration structure that can be used for the method. The method comprises the steps of: (800)...
8749862 Method for preparing a hologram recording medium  
Two original images to be recorded are prepared as data (S10). A plurality of unit regions, each having an adequate area to record interference fringes of visible light, are defined and positioned...
8736932 Incoherent beam combining of parallel beams with optical path compensation using real time holography  
A system for path compensation of multiple incoherent optical beams incorporates an optical element combining a plurality of incoherent beams to an aperture by angle using carrier frequency tilt...
8711455 Three-dimensional holographic display using active shutter  
A three-dimensional holographic image display device and a method using the same are provided. Light corresponding to left and right eye holograms is emitted according to a time division method...
8690339 Complete digital holographic image sensor-projector computing unit having a modulator for receiving a fourier image  
A hologram projecting system includes a coherent light source for emitting a reference beam onto a real object; and an image sensor for receiving the reference beam and a scattered beam reflected...
8654048 Apparatus and method for displaying a video image  
A method of displaying a video image comprises receiving sequential image frames at a processor. Each image frame is processed to obtain a kinoform. A programmable diffractive element such as an...
8625182 Holographic image display systems  
This invention relates to methods, apparatus, and computer program code for the holographic display of images. We describe a method of displaying an image holographically. The method includes...
8587852 Generation of a hologram pattern  
Device for generating a hologram pattern including: selecting means for selecting, as cross section ranges which are in a plurality of cross sections parallel to hologram pattern in 3D object and...
8564865 Enhanced environment visualization using holographic stereograms  
Hologram production techniques can combine source data representing realistic information describing an environment with source data providing representational information describing a feature of...
8564866 Computer-generated hologram including splice planes for reconstructing a full-color image with high resolution and its fabrication method  
A recording plane of a computer-generated hologram that is capable of reconstructing a full-color image and achieving a high resolution is divided by a multiplicity of parallel sections in the...
8553302 Method for encoding computer-generated holograms using a correction function  
A method for encoding computer-generated holograms in pixelated light modulators, the encoding area of which comprises a pixel matrix whose pixels are provided with a pixel form and a pixel...
8547615 Head-mounted display device for generating reconstructions of three-dimensional representations  
A head-mounted display device for generating reconstructions of three-dimensional representations including a frame, in which at least one light source, at least one optical system and at least...
8542421 System, apparatus and method for extracting three-dimensional information of an object from received electromagnetic radiation  
An apparatus and method to produce a hologram of an object includes an electromagnetic radiation assembly configured to receive a received electromagnetic radiation, such as light, from the...
8537444 System and method for projection lithography with immersed image-aligned diffractive element  
A system and method and computer program product for exposing a photoresist film with patterns of finer resolution than can physically be projected onto the film in an ordinary image formed at the...
8531747 Hologram, hologram data generation method, and exposure apparatus  
The present invention provides a hologram which forms a light intensity distribution on a predetermined plane by using an incident light. The hologram includes a plurality of cells configured to...
8526088 Device for holographic reconstruction of three-dimensional scenes  
A device for holographic reconstruction of three-dimensional scenes includes optical focusing means which directs sufficiently coherent light from light means to the eyes of at least one observer...
8493642 Method for generating video holograms for a holographic display device with random addressing  
A method for generating video holograms for a holographic reproduction device with at least one light modulation means, wherein a scene split into object points is encoded as a whole hologram and...
8494005 Technique for adjusting a phase relationship among modulation symbols  
A technique for adjusting a phase relationship among modulation symbols is disclosed. A method embodiment of this technique comprises the steps of applying to a sequence of modulation symbols a...
8487980 Holographic display with communications  
Holographic display with which voice and holographic image over internet protocol (VHIOIP) services or communications are provided.
8482828 Holographic imaging display with corrected phase coding  
A holographic projection display for reconstructing a 3D-scene and a coding method that indicates an improvement of the control value of coding through an iterative Fourier...
8482829 Laser processing apparatus and laser processing method  
A laser processing apparatus 1 includes a laser light source 10, a phase modulation type spatial light modulator 20, a driving unit 21, a control unit 22, and an imaging optical system 30. The...
8459801 Three-dimensional image projector with a projection image forming disc with a hologram recording medium formed along a disc-shaped glass substrate  
An object of the present invention is to display a highly reproducible three-dimensional image in response to changes in the viewer's position and to easily realize the miniaturization of the...
8462408 Holographic reconstruction system with an optical wave tracking means  
A holographic reconstruction system is disclosed with spatial light modulation means, modulating interferable light waves from light sources with at least one video hologram, comprising optical...
8446654 Holographic reconstruction system and method with an enlarged visibility region  
A holographic reconstruction system and a corresponding holographic reconstruction method are disclosed. The holographic reconstruction system comprises light source means for providing...
8441703 Method and device for holographically reconstructing a scene  
A holographic reconstruction device is designed such that visible resolution of the reconstruction of a scene is matched to the resolution capability of the human eye, to the imaging properties of...
8437059 Method for reconstructing a holographic projection  
A method for reconstructing a holographic projection including providing a single hologram, providing at least one cyclic shift of at least a portion of the single hologram in the space domain,...
8437056 Analytical method for computing video holograms in real time  
An analytical method for computing a video hologram for a holographic reproduction device having at least one light modulation means is disclosed, wherein a scene split into object points is...
8437058 Computer generated hologram and exposure apparatus to suppress an illumination variation and loss in light  
A present invention provides a computer generated hologram which forms a light intensity distribution on a predetermined plane by giving a phase distribution to a wavefront of incident light, the...

Matches 1 - 50 out of 397 1 2 3 4 5 6 7 8 >