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Patent Searching and Data


Matches 351 - 400 out of 16,289

Document Document Title
WO/2012/161257A1
A counterfeit prevention structure whereby at least a relief-forming layer, a first reflecting layer, a functional thin-film layer, a second reflecting layer, and a protective layer are laminated in this order, and characterized in that ...  
WO/2012/157592A1
A volumetric hologram manufacturing method comprises a hologram recording step of recording information on a hologram recording layer, and a step of pressing the hologram recording layer in which at least a portion of the hologram record...  
WO/2012/150472A1
The invention is an apparatus for producing a three-dimensional colour image, said apparatus comprising at least two feeding light sources (40a, 40b, 40c) generating coherent light beams of different colours, at least two optical fibres ...  
WO/2012/147627A1
A projection device (20) is provided with an optical element (50), a radiating device (60), an optical modulator (30), an intermediate optical system (70), and a projecting optical system (80). The projection device (20) scans over a hol...  
WO/2012/147271A1
A display device (1) comprises: light sources (101) which output laser light; illumination optical assemblies (102) which emit illumination light of the laser light; diffraction pattern generation units which generate diffraction pattern...  
WO/2012/144835A3
The present invention relates to a holographic reproduction device and a method, and more specifically, to a holographic reproduction device that can be worn on the head of a user and a holographic reproduction method. To that end, a hol...  
WO/2012/144834A2
The present invention relates to a simplified method for a fast digital hologram generation which can improve the quality of image reconstruction through accurate phase corrections, based on the same number of arithmetic operations. The ...  
WO/2012/144835A2
The present invention relates to a holographic reproduction device and a method, and more specifically, to a holographic reproduction device that can be worn on the head of a user and a holographic reproduction method. To that end, a hol...  
WO/2012/143113A1
The invention relates to a method for detecting spatially structured sample volumes by means of coherent light and digital holography. The invention also relates to a method for analyzing the depth structure of samples in accordance with...  
WO/2012/144834A3
The present invention relates to a simplified method for a fast digital hologram generation which can improve the quality of image reconstruction through accurate phase corrections, based on the same number of arithmetic operations. The ...  
WO/2012/137002A1
There is disclosed a method of processing a security item 1. The security item comprises a holographic security feature 2 having at least one metallised layer. The holographic security feature 2 is applied to the reverse of a substantial...  
WO/2012/138421A1
Articles (11) for recording a holographic image are described. The articles include a holographic recording medium (16) having surfaces, having a photoreactive dye dispersed in a transparent polymeric binder, the holographic recorded med...  
WO/2012/136238A1
The invention relates to a method and arrangement for short coherence holography for distance measurement, for profile detection and/or for 3D detection of one or more object elements and/or object areas and/or objects or for readout of ...  
WO/2012/132289A1
A display device (1) comprises: a light source (101) which outputs a laser beam; an illumination optical assembly (102) which emits the laser beam as an illumination light; a spatial modulation element (103) which diffracts the illuminat...  
WO/2012/135480A1
A method of recording a volume holographic image is described in which a holographic recording medium (14) containing a photoreactive dye is exposed to a plurality of coherent light beams having a wavelength to which the dye is sensitive...  
WO/2012/124317A1
The present invention pertains to a vector wave recording medium which: has an information recording layer comprising a photoinduction birefringent material; irradiates a recording signal light of a first polarization state, and a record...  
WO/2012/123715A1
This invention relates to methods and apparatus for routing light beams in telecommunications devices using holographic techniques, in particular by displaying kinoforms on LCOS (Liquid Crystal on Silicon) devices. Thus we describe optic...  
WO/2012/118170A1
Provided is a laminated body wherein sense of unity between the laminated body and a hologram layer is increased, and a visual effect of the hologram is increased. A card (1) is provided with: a card base (10); a transparent hologram lay...  
WO/2012/114947A1
A digital holography device (1) capable of measuring the subject with a high degree of accuracy, and correcting variations in intensity by accurately removing zero-order diffracted light, provided with: a hologram generation unit (26) th...  
WO/2012/116105A1
A photorefractive composition and a photorefractive device comprising the composition are disclosed. The composition is configured to be photorefractive upon irradiation by a laser having a wavelength in the visible light spectrum and co...  
WO/2012/116071A1
A photorefractive composition and a photorefractive device comprising the composition are disclosed. The composition is configured to be photorefractive upon irradiation by a laser having a wavelength in the visible light spectrum and co...  
WO/2012/115042A1
A digital holography device (1A) for widening the range of view and the range of measurement is provided with: an image capturing element (6) that generates a parallel phase shift hologram that is recorded on the pixels of the image capt...  
WO/2012/112351A1
Direct generation semiconductor infrared countermeasure lasers are provided that can be independently modulated and combined so as to provide a simultaneously- generated multi-spectral output for the beam. The countermeasure system is sm...  
WO/2012/112114A1
A method based on digital holography for determining parameters of at least one erythrocyte is provided, said method comprising the steps of: constructing an interference pattern comprising a wave front representative of said at least on...  
WO/2012/110811A2
We describe a LCOS (liquid crystal on silicon) telecommunications light beam routing device, the device comprising: an optical input; a plurality of optical outputs; a LCOS spatial light modulator (SLM) in an optical path between said in...  
WO/2012/110811A3
We describe a LCOS (liquid crystal on silicon) telecommunications light beam routing device, the device comprising: an optical input; a plurality of optical outputs; a LCOS spatial light modulator (SLM) in an optical path between said in...  
WO/2012/112114A9
A method based on digital holography for determining parameters of at least one erythrocyte is provided, said method comprising the steps of: constructing an interference pattern comprising a wave front representative of said at least on...  
WO/2012/112678A1
A method is described for recording a volume reflection holographic image viewable when illuminated by light at a wavelength Wv. The method includes optically coupling a first transparent refracting medium with a first surface of a trans...  
WO/2012/107535A1
The invention relates to a device (and a corresponding method) for the interference structuring of a planar sample (P), comprising a laser (1), a focusing element (3, 3a, 3b), which is arranged in the beam path of the laser and by means ...  
WO/2012/103996A1
The invention relates to an interactive display unit (1) for presenting information and for interacting with a user, in particular in a vehicle interior (2). According to the invention, at least one imaging cell (3) comprises a photorefr...  
WO/2012/095703A1
The present invention relates to a holographic display and more particularly to an apparatus and methods for a curved electro-holographic display. The apparatus mainly comprises; at least one light source (2) for providing lights, at lea...  
WO/2012/094545A1
A method of manufacturing an article for display of a holographic image is described that includes thermally fusing a holographic recording medium containing a photochemically active dye dispersed in a transparent thermoplastic polymer b...  
WO/2012/092470A3
A collimator can be made of a compound holographic optical element made of three holographic optical elements. The first reflection holographic optical element will have recorded within it continuous lens configured to receive light from...  
WO/2012/092470A2
A collimator can be made of a compound holographic optical element made of three holographic optical elements. The first reflection holographic optical element will have recorded within it continuous lens configured to receive light from...  
WO/2012/092465A1
A substrate-guided holographic diffuser has a light-guide section configured to in-couple light and transmit the light within itself via total internal reflection. It can also have a brightness enhancement section that recycles non-diffr...  
WO/2012/087933A1
The present disclosure provides systems, methods and apparatus for producing holographic displays using an electromechanical systems device. In one aspect, the method can be implemented to allow for simultaneous modulation of phase and a...  
WO/2012/084752A1
The invention relates to a light modulation device, comprising a spatial light modulator, a structured polarizing element, a controllable polarizing element, and a light-wave multiplexing element. The spatial light modulator has modulato...  
WO/2012/085045A1
For comfortable viewing of a 3-D scene at various viewing angles, a display having a large tracking range for a variable viewer distance is required. A controllable light-influencing element (500) deflects light in coarse steps in a view...  
WO/2012/080837A3
A method for irradiating a medium (706) includes irradiating the medium (706) with an electromagnetic wave which is scattered in the medium (706) and modulated in frequency at a position in the medium (706); obtaining information corresp...  
WO/2012/080837A2
A method for irradiating a medium includes irradiating the medium with an electromagnetic wave which is scattered in the medium and modulated in frequency at a position in the medium; obtaining information corresponding to an interferenc...  
WO/2012/080838A3
An apparatus includes a light source (100) configured to emit an electromagnetic wave; a spatial light modulator (102) configured to modulate a wavefront of the electromagnetic wave to irradiate a sample (105); a plate (107) with an aper...  
WO/2012/080838A2
An apparatus includes a light source configured to emit an electromagnetic wave; a spatial light modulator configured to modulate a wavefront of the electromagnetic wave to irradiate a sample; a plate with an aperture; a lens unit config...  
WO/2012/076137A2
The invention relates to a consumable (1) for analyzing a sample of a human or animal body fluid, comprising a substrate (2) carrying a test field (3) with a reagent for effecting a detection reaction when exposed to a body fluid sample,...  
WO/2012/076702A1
The invention relates to a display comprising an observer window, which in 3D and/or 2D representation mode of a 3D scene can be adapted to changing eye positions. It should be possible for several observers to use such a display simulta...  
WO/2012/076137A3
The invention relates to a consumable (1) for analyzing a sample of a human or animal body fluid, comprising a substrate (2) carrying a test field (3) with a reagent for effecting a detection reaction when exposed to a body fluid sample,...  
WO/2012/074526A1
One embodiment of the apparatuses, methods, and systems of the present disclosure is a license plate, sticker, or ALPR system having enhanced or increased accuracy. At least one of the license plate, sticker, or ALPR system includes usef...  
WO/2012/069810A1
We describe a method or providing a diffractive image display, the method comprising: displaying a diffraction pattern on pixels of a spatial light modulator (SLM), the SLM comprising a plurality of optical phase modulating pixels; and i...  
WO/2012/069135A2
The invention relates to a phase-mixing device for reducing the spatial coherence of electromagnetic radiation, comprising an optical waveguide (12), which at one end has an inlet surface (10), through which the electromagnetic radiation...  
WO/2012/069811A2
We describe apparatus and methods for generating an image holographically, and also spatial light modulators for use in such techniques. In particular we describe a spatial light modulator (SLM) comprising a plurality of light modulating...  
WO/2012/069135A3
The invention relates to a phase-mixing device for reducing the spatial coherence of electromagnetic radiation, comprising an optical waveguide (12), which at one end has an inlet surface (10), through which the electromagnetic radiation...  

Matches 351 - 400 out of 16,289