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"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Application No. | Application Title | Issue Date |
| 20120082943 | DIFFRACTIVE PHOTO MASKS AND METHODS OF USING AND FABRICATING THE SAME An exemplary embodiment of the present invention provides a diffractive photo-mask comprising a body element, a plurality of interference/image-forming hologram gratings, and a zero-order beam blocking element. The plurality of interference/image-forming hologram gratin... | 04/05/2012 |
| 20120050831 | REPRODUCTION APPARATUS AND REPRODUCTION METHOD In a holographic memory of an angle multiple recording system, when a hologram is reproduced, a light beam of a different polarizing direction is irradiated as reference light to a hologram recording medium and diffracted light is detected from the hologram recording me... | 03/01/2012 |
| 20120026564 | COMPLEX HOLOGRAMS, METHOD OF MAKING AND USING COMPLEX HOLOGRAMS A method of making a hologram includes recording a first hologram in a holographic recording medium at a first deformation ratio; changing the first deformation ratio to a second deformation ratio that is different from the first deformation ratio; and recording a secon... | 02/02/2012 |
| 20120008822 | MULTI-VIEWPOINT IMAGE RECORDING MEDIUM AND AUTHENTICITY JUDGMENT METHOD A multi-viewpoint image recording medium includes at least one main image recorded on the multi-viewpoint image recording medium and a plurality of sub-images, each having a display area smaller than a display area of the main image, recorded on the multi-viewpoint imag... | 01/12/2012 |
| 20120002257 | HOLOGRAM RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME, HOLOGRAM REPRODUCTION APPARATUS, AND HOLOGRAM REPRODUCTION METHOD A hologram recording medium having two or more images recorded therein, wherein when substantially collimated light is incident along a first direction on the hologram recording medium, a first image is reproduced with the intensity of light diffracted in the hologram r... | 01/05/2012 |
| 20110286065 | INTERACTIVE ZOETROPE FOR ANIMATION OF SOLID FIGURINES AND HOLOGRAPHIC PROJECTIONS A zoetrope configured for user interaction. The zoetrope includes an object support that pivotally supports a holographic disc or other projection element containing a plurality of images. A positioning mechanism rotates the holographic disc at a predetermined speed or ... | 11/24/2011 |
| 20110261427 | SYSTEM AND METHOD FOR COLOR MOTION HOLOGRAPHY A method for producing and replaying a composite color hologram, the method comprising recording a first hologram containing primarily a green content of an intended composite hologram using a substantially collimated recording reference beam, recording a second hologra... | 10/27/2011 |
| 20110176190 | SPECKLE-NOISE REDUCTION IN HOLOGRAPHIC PROJECTIONS A method for reconstructing a holographic projection comprising providing a single hologram, providing at least one cyclic shift of at least a portion of the single hologram in the space domain, and reconstructing a cyclically shifted hologram by applying said cyclic sh... | 07/21/2011 |
| 20110109949 | PRINTER REGISTER HOLOGRAPHIC IMAGES A method of creating a substrate containing multiple holographic images. The method includes dividing the substrate into a plurality of equally sized print surfaces and placing a holographic image on each of the print surfaces. Wherein the holographic image is placed at... | 05/12/2011 |
| 20110043877 | THREE-DIMENSIONAL IMAGE PROJECTOR 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 system. The three-dimensional image projector 1 includes a projection i... | 02/24/2011 |
| 20110002020 | THREE DIMENSIONAL HOLOGRAPHIC VOLUMETRIC DISPLAY The invention comprises a pattern generation unit (20), a programmable lighting means and a holographic screen (28) that together make a holographic volumetric display. The holographic screen contains a pre-recorded set of volume elements or voxels (32<... | 01/06/2011 |
| 20100259803 | COLLINEAR VOLUME HOLOGRAPHIC OPTICAL STORAGE SYSTEM AND INFORMATION STORAGE STRUCTURE THEREOF A collinear volume holographic optical storage system records a plurality pages of holographic data on the storage material, where the intensity distribution of the saved recorded holographic data of each page is in a “+” format. It is possible to incur the inter-pa... | 10/14/2010 |
| 20100238529 | DITHERED HOLOGRAPHIC FRONTLIGHT 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 attributes (e.g., illumination ang... | 09/23/2010 |
| 20100231997 | DYNAMIC TIME MULTIPLEXING FABRICATION OF HOLOGRAPHIC POLYMER DISPERSED LIQUID CRYSTALS FOR INCREASED WAVELENGTH SENSITIVITY Described herein is a new holographic polymer dispersed liquid crystal (HPDLC) medium with broadband reflective properties, and a new technique for fabrication of broadband HPDLC mediums. The new technique involves dynamic variation of the holography setup during HPDLC ... | 09/16/2010 |
| 20100231998 | MONOCULAR HOLOGRAPHIC DATA STORAGE SYSTEM ARCHITECTURE A monocular holographic storage device or system to provide for compact recording and/or reading of data pages in a holographic storage medium. Also provided are methods for carrying out such data storage and/or data recovery using a monocular holographic storage device... | 09/16/2010 |
| 20100208313 | SECURITY AND SENSING ELEMENTS WITH VOLUME HOLOGRAMS The nature of a volume hologram limits its use in security and sensing applications. Accordingly, a volume hologram segregated into a first and second region recording a first and second image, respectively, and wherein the second region is responsive to stimulus while ... | 08/19/2010 |
| 20100195179 | HOLOGRAM REPRODUCING DEVICE AND HOLOGRAM REPRODUCING METHOD A hologram reproducing device includes a splitter for splitting a reference beam, during reproduction, into a main beam and sub-beams forming incidence directions spatially shifted from the main beam. The hologram reproducing device also includes: an incidence direction... | 08/05/2010 |
| 20100188715 | Method of Making Holograms Having at Least Two Replay Colours A method of making a product containing a hologram which has at least two replay colours when viewed at a given angle, the method comprising the steps of: (i) recording holographic elements at each of at least two different angles in a master; and (ii) copying the maste... | 07/29/2010 |
| 20100182664 | HOLOGRAM RECORDER A hologram recorder includes a signal beam irradiator to irradiate a signal beam, which is optically modulated in accordance with information to be recorded, to a recording medium at a predetermined incident angle. The hologram recorder also includes a recording prism p... | 07/22/2010 |
| 20100172003 | HOLOGRAM APPARATUS AND RECORDING AND REPRODUCING METHOD OF THE SAME A hologram apparatus which comprises a light generating unit that generates coherent reference light and coherent signal light modulated according to information to be recorded; an interference optical system that irradiates the signal light and the reference light towa... | 07/08/2010 |
| 20100155385 | APPARATUS FOR SIMULATING A SOLID FUEL FIRE An apparatus for simulating a solid fuel fire comprises a sheet, preferably in the form of a holographic photopolymer film carrying a holographic image of a bed of fuel and flame effect means co-operating with the holographic sheet whereby the flame effect appears to em... | 06/24/2010 |
| 20100067077 | Holographic Reconstruction System with Optical Wave Tracking Means A holographic projection system has an optical wave tracking system which adjusts the propagation direction of a modulated wavefront. It provides an adjustable wave tracking system which aligns the modulated wave with a desired eye position of one or more observers and ... | 03/18/2010 |
| 20100046050 | COMPACT HOLOGRAPHIC DISPLAY DEVICE Holographic display device comprising a first EASLM and a second EASLM, the pair permitting independent modification of phase and amplitude, in which holographic reconstruction is visible through one or more virtual observer windows. An advantage is that an observer may... | 02/25/2010 |
| 20100027086 | LIGHT DEFLECTING DEVICE AND HOLOGRAM DEVICE A light deflecting device is a light deflecting device for deflecting an incident light beam and has: a coarse motion light deflecting device which has an optical system having at least two conjugate points on an optical axis and deflects the light beam which has passed... | 02/04/2010 |
| 20100020375 | METHOD OF RECORDING HOLOGRAPHIC INFORMATION A method of recording holographic information includes recording a hologram mark and a homogeneous mark in a holographic data storage medium with a volume to alternatively locate the hologram mark and the homogeneous mark. The hologram mark has a varied refractive index... | 01/28/2010 |
| 20100014137 | Holographic multiplex recording method, and holographic recording apparatus and holographic recording medium employing the method A holographic multiplex recording method which can keep a recording data rate constant and equalize nonuniformity in recording due to vibrations or the like, and a holographic recording apparatus and a holographic recording medium, which employ the method. In a process ... | 01/21/2010 |
| 20100014138 | High Areal Density Holographic Data Storage System An apparatus for recording or reading high areal density holographically stored information with high signal-to-noise ratio. The apparatus comprises a holographic imaging system for recording or reconstructing a holographic image, having a first numerical aperture and a... | 01/21/2010 |
| 20090310463 | OPTICAL INFORMATION RECORDING APPARATUS AND OPTICAL INFORMATION RECORDING METHOD A need to effectively record data of various sizes on a large-capacity holographic memory capable of high-speed recording is achieved, for example, by curing a first part of the holographic recording which is able to be multiplex-recorded in one or more units of a prede... | 12/17/2009 |
| 20090303559 | 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 object. The electromagnetic radiation assembly is further configured to diffract... | 12/10/2009 |
| 20090279152 | HOLOGRAM RECORDER A hologram recording apparatus includes an objective lens (7) for illuminating a hologram recording medium (B) with a recording beam (S) in a manner such that the recording beam overlaps a reference beam, thereby performing multiple recording of holograms at a po... | 11/12/2009 |
| 20090279153 | HOLOGRAM RECORDING/REPRODUCING DEVICE, HOLOGRAM RECORDING/REPRODUCING METHOD, AND HOLOGRAM RECORDING MEDIUM The hologram recording/reproducing apparatus is for recording a hologram by emitting a recording beam (S) modulated by a spatial light modulator and a reference beam (R) having a same wavelength as the recording beam onto a hologram recording medium (B) so that the beam... | 11/12/2009 |
| 20090268267 | HOLOGRAM RECORDING CARRIER AND HOLOGRAM APPARATUS A hologram recording carrier that information is recorded into or reproduced from by irradiating light, comprises a hologram recording layer to store an optical interference pattern by coherent reference light and signal light as a hologram therein; and a servo layer la... | 10/29/2009 |
| 20090244665 | COMPUTER-GENERATED HOLOGRAM For the purpose of preparing a computer-generated hologram, which has very high resolution and many numbers of parallaxes, the present invention provides a computer-generated holographic stereogram, wherein a virtual point light source group (11) is set up spatia... | 10/01/2009 |
| 20090244667 | HOLOGRAPHIC MICROSCOPE The preferred embodiments of the present invention include a holography attachment device that is attachable to a digital imaging device to form a holographic microscope. The holography attachment device includes a chamber having at least one attachment mechanism to fac... | 10/01/2009 |
| 20090237762 | HOLOGRAM MEDIA READING APPARATUS A hologram media reading apparatus including a reference light source, a stop with gray level aperture, and an optical sensor is provided. The reference light source is disposed on one side of a hologram medium, and capable of emitting a reference light beam. The refere... | 09/24/2009 |
| 20090219594 | HOLOGRAM REPRODUCING DEVICE AND HOLOGRAM REPRODUCING METHOD Disclosed is a hologram reproducing device and a hologram reproducing method capable of reading hologram data at a high speed with low power consumption. When a predetermined voltage is applied to some of the signal electrodes and the scanning electrodes arranged in a m... | 09/03/2009 |
| 20090185247 | HOLOGRAPHIC DATA STORAGE MEDIUM, AND METHOD AND APPARATUS FOR RECORDING/REPRODUCING HOLOGRAPHIC DATA TO/FROM THE SAME A holographic data storage medium, and a method and an apparatus for recording/reproducing holographic data by using the medium includes a substrate; manifold reflective layer between which a part of a signal beam is capable of being reflected at least one time and then... | 07/23/2009 |
| 20090184851 | Inputting information using holographic techniques A method for inputting commands to a holographic input system, includes the steps of generating a virtual image of an input device by illuminating a hologram of the input device by means of a corresponding reference beam, the hologram being prerecorded on a holographic ... | 07/23/2009 |
| 20090153927 | HOLOGRAPHIC DATA STORAGE MEDIUM AND APPARATUS AND METHOD FOR RECORDING/REPRODUCING HOLOGRAPHIC DATA TO/FROM THE SAME Provided are a holographic data storage medium and an apparatus and method for recording/reproducing holographic data using the same. The holographic data storage medium includes: a substrate; a holographic recording layer disposed on the substrate; and a cover layer co... | 06/18/2009 |
| 20090153926 | Hologram Imaging Techniques And Holograms This invention relates to improved techniques for reading holograms, in particular volume reflection holograms, and to improved security documents incorporating volume reflection holograms. A method of imaging a volume reflection hologram o... | 06/18/2009 |
