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Patent Searching and Data


Matches 351 - 400 out of 15,716

Document Document Title
WO/2011/025210A3
An apparatus and method for reconstructing a hologram are disclosed. An illuminator emits a reference beam, a hologram display driver displays an interference pattern based on a video signal, a lens unit adjusts a magnification and a foc...  
WO/2011/017741A1
An optically variable device, including a plurality of groups of surface relief elements. The groups are interlaced and/or stacked. A first group of relief elements is characterised by a first height or depth and produces a first type of...  
WO/2011/018360A1
The present invention relates to a method for tilt compensation in an apparatus (1) for reading from and/or writing to holographic storage media (16), and to an apparatus (1) for reading from and/or writing to holographic storage media (...  
WO/2011/018836A1
Provided is an information reproducing device for reproducing an information recording medium in which an interference fringe of reference light and information light is formed. The information reproducing device comprises an informatio...  
WO/2011/016085A1
Provided is a hologram reproduction method including: a step of applying a reference light R to a hologram (160) formed on a recording medium (140) by using the reference light R and a sub reference light A, so as to extract a reproduced...  
WO/2011/016872A1
The present invention fabrication method and apparatus provides a method of creating holographic configurations in a specific pattern in glass panels using a laser that does not use chemicals or chemical solutions.  
WO/2011/013172A1
An angle control method has: a step wherein reproducing light (S) is taken out by applying reference light (R) to a hologram formed on an optical information recording medium (200), while rotating about a Y axis the optical information r...  
WO/2011/013166A1
Provided are an information storage device which performs high-precision three-dimensional position control by detecting three-dimensional positional information relating to an information recording medium and controlling the position of...  
WO/2011/006929A1
The invention relates to a method and to a device for marking objects, particularly components (10 of a motor vehicle, preferably filter elements, with an embossed hologram (11) and to objects marked in this way. The object (10) to be ma...  
WO/2010/150296A1
The invention concerns a method for controlling depth or depth-of-focus in 3D image reconstructions, in particular for: A) Controlling the depth with the aim to synthesize a holography dynamic 3D scene; such a scene can be either numeric...  
WO/2010/149587A3
The invention relates to a light modulation device (10) for a display for representing two- and/or three-dimensional image content or image sequences. The light modulation device (10) comprises a light modulator (12) and a controller (14...  
WO/2010/149587A2
The invention relates to a light modulation device (10) for a display for representing two- and/or three-dimensional image content or image sequences. The light modulation device (10) comprises a light modulator (12) and a controller (14...  
WO/2010/149588A1
The present invention relates to a three-dimensional light modulator (SLM), of which the pixels (P01, P02) are combined to form modulation elements (ME). Each modulation element (ME) can be coded with a preset discrete value such that th...  
WO/2010/151221A1
Method for analyzing a sample comprising at least one ovum or embryo, the method being based on digital holographic imaging, the method comprising the following steps: creating at least one object beam and at least one reference beam of ...  
WO/2010/148285A2
Integrated control electronics for a holographic storage system that is adapted for controlling read/write logic in a holographic storage device. The control electronics may control beam steering devices, SLM devices, shutters, optical s...  
WO/2010/148285A3
Integrated control electronics for a holographic storage system that is adapted for controlling read/write logic in a holographic storage device. The control electronics may control beam steering devices, SLM devices, shutters, optical s...  
WO/2010/148281A2
A method and system for bulk erasing in a holographic storage system is disclosed. The method may involve illuminating the entire volume storage region of a photorefractive crystal with a laser to achieve bulk erasure, or may involve sel...  
WO/2010/148280A2
A method and device for re-writing data on a holographic storage device is disclosed. First and second electro-optic modulators may phase shift the reference and data beams used to store data on the photorefractive crystal. When the refe...  
WO/2010/148280A3
A method and device for re-writing data on a holographic storage device is disclosed. First and second electro-optic modulators may phase shift the reference and data beams used to store data on the photorefractive crystal. When the refe...  
WO/2010/148279A2
A holographic memory storage device that uses a photorefractive crystal for storing data is disclosed. The device uses angle-multiplexing in order to store and retrieve page data and sub page data. MEMS devices are used in order to provi...  
WO/2010/148280A4
A method and device for re-writing data on a holographic storage device is disclosed. First and second electro-optic modulators may phase shift the reference and data beams used to store data on the photorefractive crystal. When the refe...  
WO/2010/148279A3
A holographic memory storage device that uses a photorefractive crystal for storing data is disclosed. The device uses angle-multiplexing in order to store and retrieve page data and sub page data. MEMS devices are used in order to provi...  
WO/2010/148281A3
A method and system for bulk erasing in a holographic storage system is disclosed. The method may involve illuminating the entire volume storage region of a photorefractive crystal with a laser to achieve bulk erasure, or may involve sel...  
WO/2010/142737A1
The system comprises an SLM (3); means for irradiating a laser beam (1, 2) onto said SLM (3); controlling means (4a, 4b) intended to control said SLM (3) in order to define a CGH corresponding to the desired optical image and intended to...  
WO/2010/141323A1
A three-dimensional holographic display device includes a holographic display medium constituted by a photorefractive organic composition, and an optical system for recording and reproducing a holographic image using the holographic disp...  
WO/2010/128890A1
The identification mark is in the form of an image made on a polished surface of an item, which image can be rendered optically visible and is in the form of a diffraction structure made up, in particular, of microscopic lines with a sin...  
WO/2010/128891A1
A surface to be marked is polished and a processing layer is applied thereto, via which layer an image of a mark which can be rendered optically visible in reflected light at a diffraction angle is made on the aforesaid surface in the fo...  
WO/2010/125367A1
This invention generally relates to displaying a substantially two-dimensional input image, and is particularly applicable for use in a head-up display. Display apparatus for displaying a substantially two-dimensional input image compris...  
WO/2010/125316A1
The invention relates to a metallised film including at least one reflective layer (14, 17), said reflective layer consisting of a layer of printed metallised ink (17), characterised in that said layer of printed metallised ink (17) incl...  
WO/2010/125869A1
Provided is a transmission type volume hologram recording medium used in a two-beam hologram recording system, having a high diffraction efficiency and capable of remarkably reducing the intensity of higher order diffracted light, which ...  
WO/2010/122530A1
The present invention discloses a method and an apparatus to compute a complex wavefield, referred to as the object wave o, by means of measuring the intensity signal resulting from the interference of the said object wave with a second ...  
WO/2010/120260A1
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 color three-dimensional holographic images....  
WO/2010/113123A1
A method of generating a hologram of an object is disclosed. The method comprises: receiving data corresponding to a plurality of non-coherent sub-holograms acquired by an optically passive synthetic aperture holographic apparatus (14), ...  
WO/2010/113123A9
A method of generating a hologram of an object is disclosed. The method comprises: receiving data corresponding to a plurality of non-coherent sub-holograms acquired by an optically passive synthetic aperture holographic apparatus (14), ...  
WO/2010/113777A1
A photosensitive material which comprises a polymer matrix including a cyclic oligosaccharide derivative as a structural unit, a radical-polymerizable monomer, and a free-radical photopolymerization initiator.  
WO2010109717A1
A reproduction angle control circuit (42) irradiates a reference light while varying by only a minute angle a reproduction angle that is the relative angle between the reference light and an optical information recording medium during in...  
WO/2010/109170A1
An autostereoscopic display is provided comprising a Spatial Light Modulator (SLM), an illuminator, and first and second light redirecting grids. The light directing grids comprise vertical bar-shaped electrically switchable diffractive ...  
WO2010110398A1
A reconfiguration control apparatus for an optically reconfigurable gate array comprises a laser array (1), a micro mirror array device (3) having a plurality of micro mirrors arrayed in a matrix arrangement, a hologram memory (4) upon w...  
WO/2010/111186A1
A reflective or transmissive hologram may be used to extract light from a waveguide. The hologram may be formed by separately exposing each of a plurality of areas of a holographic medium with object beams and/or reference beams having a...  
WO/2010/109241A1
We describe a method of determining an aberration correction for a holographic image display system using a spatial light modulator (SLM) to display a hologram. Embodiments of the invention measure the corrections needed for a particular...  
WO/2010/107784A1
A polymerizable media includes a holographic recording media. The media includes at least one monomer or oligomer that undergoes polymerization; a compound, which absorbs actinic radiation of a first wavelength and forms a sensitizer whi...  
WO/2010/103952A1
Provided is a three-dimensional image projection device which displays a three-dimensional image with high reproducibility according to the change of the position of a viewer and easily achieves the miniaturization of a system. Specifica...  
WO/2010/094948A1
The nature of a volume hologram limits its use in security and sensing applications. Accordingly, a volume hologram (1) segregated into a first (2) and second (3) region recording a first and second image, respectively, and wherein the s...  
WO/2010/092533A1
The invention relates to a method and apparatus for topological or shape measurement of objects of any size, by using an interferometric technique comprising an optical source, with selectable coherence, allowing contouring from single s...  
WO/2010/092409A1
We describe optical techniques for replicating an image to expand the exit pupil of a head-up laser-based image display system. The system includes image replication optics to replicate an image carried by a substantially collimated beam...  
WO/2010/092392A1
A method of producing a diffractive optical element comprises forming on a textured surface of a first substrate (2) a predetermined pattern of an ink (3) including an activator for a metallisation reaction and one or more binders; causi...  
WO/2010/092739A1
Disclosed is interference measuring device for acquiring an interference image used for acquiring three-dimensional information relating to a subject with dynamic variation. A digital holography device (60) of the invention is provided w...  
WO/2010/081986A1
The invention relates to a method of marking a batch of products, consisting in forming a synthetic hologram of an image (20) on each product, said hologram being furthermore encoded using a phase key, the image comprising a first portio...  
WO/2010/076571A1
There is herein described apparatus and methods for displaying holograms. At least one aspect of the invention is to provide a compact and self-contained lighting system for a display hologram, which can produce high quality images and w...  
WO/2010/077220A1
Various embodiments of the present invention relate to dynamically reconfigurable hologram comprising a phase-modulation layer and an intensity-control layer. The phase modulation layer comprises an electronically programmable erasable n...  

Matches 351 - 400 out of 15,716