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Hologram patents



      

This page is updated frequently with new Hologram-related patent applications.




Date/App# patent app List of recent Hologram-related patents
02/04/16
20160033935 
 Holography reproducing apparatus and holography reproducing method patent thumbnailHolography reproducing apparatus and holography reproducing method
A holography reproducing apparatus and a holography reproducing method are provided. The holography reproducing apparatus includes: a backlight configured to emit light, and a spatial light modulator configured to modulate light input from the backlight and transmit the modulated light to generate a transmissive hologram image, wherein at least one of a wave front of light emitted from the backlight and the spatial light modulator has a curved surface..
Samsung Electronics Co., Ltd.


02/04/16
20160033934 
 Hologram generation apparatus and method patent thumbnailHologram generation apparatus and method
Provided is a hologram generation apparatus based on a hologram imaging system, which includes an object space, where an object is situated, and a retina space or region, where an image is formed within an eyeball of an observer. The hologram generation apparatus comprises: a modeling unit for generating first graphic data by transforming a 3d image of a 3d object to a set of polygonal facets; a data transformation unit for generating second graphic data by transforming the first graphic data from the modeling unit to normal/reference coordinates in the retina region; a hologram generation unit for generating a first computer generated hologram (cgh1), which is light wave analysis data for the second graphic data; and a hologram transformation unit for transforming the first computer generated hologram (cgh1) in the retina region to a second computer generated hologram (cgh2) in the object space..
Korea University Research And Business Foundation


01/28/16
20160027943 
 Concentrating photovoltaic skylight based on holograms and/or methods of making the same patent thumbnailConcentrating photovoltaic skylight based on holograms and/or methods of making the same
Improved building-integrated photovoltaic (bipv) systems according to certain example embodiments may include concentrated photovoltaic skylights or other windows in which holographic optical elements (hoes) are provided. The hoes are formed on or in a substantially planar glass substrate, e.g., at light coupling locations, and they help form a holographic projection of light in a desired wavelength range on a photovoltaic module.
Guardian Industries Corp.


01/28/16
20160027216 
 Three-dimensional mixed-reality viewport patent thumbnailThree-dimensional mixed-reality viewport
An application running on a computing platform that employs three-dimensional (3d) modeling is extended using a virtual viewport into which 3d holograms are rendered by a mixed-reality head mounted display (hmd) device. The hmd device user can position the viewport to be rendered next to a real world 2d monitor and use it as a natural extension of the 3d modeling application.

01/21/16
20160018786 
 Fluorescence receiving apparatus and fluorescence receiving method patent thumbnailFluorescence receiving apparatus and fluorescence receiving method
A fluorescence receiving apparatus comprises an excitation light source, a spatial light modulator of a phase modulation type for phase-modulating excitation light to obtain phase-modulated light, a focusing optical system configured to focus the phase-modulated light to a specimen, a specimen stage for supporting the specimen, a fluorescence receiver for receiving fluorescence generated by focus of the phase-modulated light to the specimen, a control unit for displaying a first cgh on the spatial light modulator, and a correction unit for correcting the first cgh. The correction unit comprises a receiver-specific sensitivity information storage preliminarily acquiring and storing sensitivity information per reception position specific to the fluorescence receiver, and a second hologram generator for correcting the first cgh, based on intensities of the fluorescence and the sensitivity information, to generate a second cgh.
Hamamatsu Photonics K.k.


01/21/16
20160015264 
 Imaging  diagnostic imaging patent thumbnailImaging diagnostic imaging
An imaging system and method for using an optical device with an electronic device for diagnostic imaging is provided. The imaging system may include a controller configured to capture a series of holograms by powering a light source of the optical device to illuminate an object, wherein light from the light source is collimated onto the object through an aperture of the optical device.
Samsung Electronics Co., Ltd.


01/14/16
20160011565 
 Apparatus and  displaying holographic 3d image patent thumbnailApparatus and displaying holographic 3d image
An apparatus and a method for displaying holographic 3d image are provided. The method includes generating, by a controller, a hologram signal to generate multiple identical hologram images which are shifted with respect to one another by a predetermined distance and overlapped on one another, and modulating, by a spatially light modulator (slm), light incident on the slm based on the hologram signal..
Samsung Electronics Co., Ltd.


01/14/16
20160011353 
 Polarization conversion systems with geometric phase holograms patent thumbnailPolarization conversion systems with geometric phase holograms
A polarization conversion system includes a geometric phase element and a retarder element. The geometric phase element has optical anisotropy with local optical axis orientations that vary non-linearly in at least one dimension along a surface thereof.
Imagineoptix Corporation


01/07/16
20160004139 
 Tunable nonlinear beam shaping by a non-collinear interaction patent thumbnailTunable nonlinear beam shaping by a non-collinear interaction
A method and system for beam shaping employing a non-collinear quasi phase-matched interaction in a crystal whose nonlinear coefficient was encoded by a computer generated hologram is provided herein. The same axis is used for both satisfying the phase-matching requirements and encoding the holographic information.
Ramot At Tel-aviv University Ltd.


01/07/16
20160001091 
 Chip for transdermal emission or augmentation of energy patent thumbnailChip for transdermal emission or augmentation of energy
A hologram chip may be programmed to emit and/or augment energy tuned to interact with bodily functions through transdermal contact. The chip may be programmed by using a pair of tesla pancake coils, each coupled to a spherical electrode and driven to create an energetic field between the electrodes.

12/31/15
20150380039 

Optical information reproduction device and optical information recording and reproducing device


A position control method at high speed and high accuracy for recorded hologram is obtained. An optical information recording and reproducing device records an interference fringe obtained by interfering reference beam and signal beam as a hologram on an optical information recording medium and reproduces information using the reference beam from the hologram recorded on the optical information recording medium.

12/31/15
20150378306 

Method for illumination of a hologram in holographic lithography and a multi-component illuminator for carrying out the method


A method and a multi-component illuminator for illumination of a hologram in holographic lithography in which a coherent beam is split into a plurality of individual laser light beams by means of a beam splitter which is provided with a plurality of individual sub-illuminators. Each sub-illuminator has an individual aperture, receives a respective individual coherent light beam, and form a an illumination field on the surface of the hologram during hologram illumination.

12/31/15
20150378080 

Volume hologram for optic illumination


An optical system includes an illumination source, a volume hologram, and an image-forming optic. The illumination source is configured to emit coherent light, and the volume hologram is configured to receive and diffract the coherent light.
Microsoft Corporation


12/24/15
20150372959 

Software integrated electronic messaging cards


A method and a device are disclosed including software components that are executed on a computing device to enable multimedia communications. A message card constituting an integrated messaging unit is used to transmit and receive multimedia data between two or more computing devices.

12/24/15
20150369985 

An optical waveguide comprising a core region with integrated hologram


An optical waveguide comprising an axial direction and a cross-section perpendicular to said axial direction is shown. The optical waveguide comprises a core region.
Aarhus University


12/17/15
20150364151 

Optical information recording and reproducing device, optical information recording and reproducing method, and reproducing device


In recording and reproducing devices that use angular-multiplexing holography, accessing a recorded hologram of interest had taken time because after positioning at the vicinity of the hologram, it had been necessary to carry out fine adjustment of the position while checking the signal quality of the hologram. The optical information recording and reproducing device according to the present invention uses angular-multiplexing to record interference patterns formed from a signal beam and a reference beam onto an optical information recording medium as page data and reproduces information from the optical information recording medium, said optical information recording and reproducing unit being provided with: a light-source unit that outputs light; an optical splitting unit that splits the light into a reference beam and a signal beam; an angle controlling unit that controls the angle for the direction of angle multiplexing at which the reference beam enters the optical information recording medium; an optical detecting unit that detects a reproduced image that is reproduced by using the reference light; and a position control unit that controls the position relationship between the reference beam and the optical information recording medium.

12/17/15
20150363818 

Digital display platform for promotional/advertisement/gaming inclusive of static and motion graphic images with use


A motion poster or moster is the creation or recreation of a static movie poster, flyer or banner with the objective of bringing them to life through digital movement and animation. Mosters can be played on a video player, monitor, television, computer, phone, cellphone, led, pad/tablet, gas pump display, sticker, label, over-sized screen or projected and can be watched lenticularly, (auto)stereoscopically, or in 2 d, 3 d, 4 k, 8 k, hd, blu-ray, imax, curved or by hologram.

12/17/15
20150362734 

Transflective holographic film for head worn display


A display panel assembly comprises a transflective holographic screen, i.e., a transparent screen that reflects light from a projection system, comprising at least a volume hologram, a first protective element and a second protective element, each arranged in contact with the volume hologram such that the volume hologram is sandwiched between the first protective element and the second protective element. The display panel assembly further comprises a projection system focusing an image on the volume hologram comprising at least projection optics, mounting means arranged to fixedly mount the projection system relatively to the transflective holographic screen.
Ecole Polytechnique Federale De Lausanne (epfl)


12/17/15
20150362651 

Method for design and manufacturing of optics for holographic sight


A method for design and fabrication of holographic optical elements for a compact holographic sight is proposed. The method includes use of ray-trace software to design holographic elements having optical power using an intermediate hologram with parameters obtained through minimization of the merit function defining image quality..
Luminit Llc


12/10/15
20150355597 

Projection device and holographic reconstruction of scenes


A holographic reconstruction of scenes includes a light modulator, an imaging system with at least two imaging means and an illumination device with sufficient coherent light for illumination of hologram coded in the light modulator. The at least two imaging means are arranged such that a first imaging means is provided for the magnified imaging of the light modulator on a second imaging means.
Seereal Technologies Gmbh


12/10/15
20150355467 

Optical device, and virtual image display


A virtual image display device with an optical waveguide to guide, by internal total reflection, parallel pencil groups meeting a condition of internal total reflection, a first reflection volume hologram grating to diffract and reflect the parallel pencil groups incident upon the optical waveguide from outside and traveling in different directions as they are so as to meet the condition of internal total reflection inside the optical waveguide and a second reflection volume hologram grating to project the parallel pencil groups guided by internal total reflection inside the optical waveguide as they are from the optical waveguide by diffraction and reflection thereof so as to depart from the condition of internal total reflection inside the optical waveguide.. .
Sony Corporation


12/10/15
20150353485 

Security element having volume hologram and printed feature


The invention relates to a method for producing a security element having a holographic layer in which a hologram is arranged, characterized by at least the following steps: a) providing the holographic layer; b) exposing the holographic layer at least in sections via a master hologram to produce a hologram copy in the holographic layer; e) printing the holographic layer at least in sections with an ink, forming a printed feature, wherein the ink comprises the melt of a dye or a colorless component or a solvent and a dye dissolved therein or a colorless component dissolved therein; d) fixing the exposed holographic layer to produce the hologram in the holographic layer, wherein the printed feature and the hologram are arranged in the holographic layer such that the printed feature and the hologram overlap at least in sections. The invention further relates to a security feature which is produced or can be produced by said method..
Bayer Materialscience Ag


12/03/15
20150346685 

Device for generating patterned light interference


A patterned light interference generating device 1 is provided with a laser light source 10; a wavefront controller 20 for receiving laser light, presenting a hologram pattern to control the wavefront of the laser light, and outputting wavefront-controlled light; an imaging optical system 40 for imaging the wavefront-controlled light at a target position 2; a filter 50 arranged at a portion of concentration by the imaging optical system 40; and a control unit 30 for controlling the hologram pattern; the filter 50 has a plurality of slits in one-to-one correspondence to a plurality of bright spots of a desired order; each of the plurality of slits has an elongated shape extending radially from a center of the plurality of bright spots of the desired order; one end on the center side of each of the plurality of slits is separated from the center.. .
Hamamatsu Photonics K.k.


11/26/15
20150340055 

Optical information recording and reproducing apparatus and optical information recording and reproducing method


To provide an optical information recording and reproducing apparatus capable of correct positioning, in an optical information recording and reproducing apparatus which branches a light beam into reference light and signal light to cause interference and records an obtained interference fringe as a hologram on an optical information recording medium and reproduces the hologram recorded by applying the reference light onto the optical information recording medium, the apparatus has an image pickup element which detects reproduction light passing through an aperture 101 in reproduction light obtained by applying the reference light onto the optical information recording medium and generates a reproduction signal, photo detectors 104a, 104b, 104c, and 104d that are different from the image pickup element and detect reproduction light applied on a location on the periphery of the aperture 101, and a computing unit which computes a position error signal based on outputs from the photo detectors.. .
Hitachi Consumer Electronics Co., Ltd.


11/26/15
20150339802 

Resolution enhancement techniques based on holographic imaging technology


Systems and techniques for performing resolution enhancement on target patterns based on holographic imaging technique (hit) are described. During operation, an electronic design automation (eda) tool can compute an in-line hologram of the target patterns based on parameters associated with a photolithography process that is used in a semiconductor manufacturing process, wherein the semiconductor manufacturing process is to be used for printing the target patterns on a semiconductor wafer.
Synopsys, Inc.


11/19/15
20150331389 

Methods for improving performance of holographic glasses


The improvement of the performance of holographic glasses with recorded holograms as measured by a figure of merit of the holographic glasses is disclosed. The improvement in the figure of merit of the holographic glasses is obtained at least in part with the addition of arsenic in the formation of the holographic glasses.
Pd-ld, Inc.


11/19/15
20150331167 

Direct write lithography for the fabrication of geometric phase holograms


A direct-write lithography apparatus includes a polarization selector stage configured to vary a polarization orientation angle of light from a light source, a focusing element configured to focus the light from the light source into a spot at a focal plane thereof, and a scanning stage configured to scan the spot in at least two dimensions along a surface of a polarization-sensitive recording medium that is arranged proximate to the focal plane such that neighboring scans substantially overlap. The polarization selector stage and the scanning stage are configured to be operated independently of one another.
North Carolina State University


11/12/15
20150323991 

Sensory holograms


A sensory hologram system includes a holographic system generating a holographic image, a sensory imparting system augmenting the holographic image, a detector configured to detect a location of a target, and a processor synchronizing the holographic system and the sensory imparting system based on the location of the target.. .
International Business Machines Corporation


11/12/15
20150323899 

Analytic 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 encoded as a whole hologram and can be seen as a reconstruction from a visibility region, located within a periodicity interval of the reconstruction. The visibility region, together with each object point of the scene to be reconstructed, defines a sub-hologram and the whole hologram is generated from a superposition of sub-holograms, wherein the complex hologram values of a sub-hologram are determined from the wave front of the respective object point to be reconstructed in a modulator region of the light modulation means, by calculating and evaluating the transmission or modulation functions of an imaging element formed in the modulator region.
Seereal Technologies S.a.


11/12/15
20150321808 

Container sealing member including aligned narrow anti-counterfeiting strips


A sealing member or closure for a container is provided having an aligned narrow anti-counterfeiting strip, such as a hologram or the like. The sealing member is provided in the form of a one-piece or a two-piece sealing member, has an optional tab for ease in removal from a container, and includes a narrow and aligned anti-counterfeiting strip to aid in signaling authenticity..
Selig Sealing Products, Inc.


11/05/15
20150318010 

Optical pickup and optical recording and reproducing device


An optical pickup includes a light source 1; a diffraction element 2 for generating a write main beam and a read sub-beam via diffraction; an objective lens 5; a wavelength plate 9; a polarization hologram element 7 having a plurality of diffraction regions with different diffraction characteristics, designed so that each diffraction region separates a light beam reflected from the optical storage medium and transmitted through the wavelength plate into a 0th order light beam and ±1st order light beams; an actuator 11; and a photodetector 10 configured to detect a light beam reflected from the optical storage medium 6 and diffracted by the polarization hologram element 7. The photodetector 10 generates an rf signal from a detection result concerning a 0th order light beam derived from the main beam, generates a focus error signal and a tracking error signal from a detection result concerning one of ±1st order light beams derived from the main beam, and generates a signal indicating that data has been recorded normally from a detection result concerning a 0th order light beam derived from the sub-beam..
Panasonic Intellectual Property Management Co., Ltd.


11/05/15
20150317857 

Device for recognizing image and device for reading image


The disclosure provides a device for recognizing an image and a device for reading an image. The device for recognizing the image includes a circuit board (50) on which a plurality of light sources (20) are arranged, the multiple light sources (20) which are configured to supply multiple lights in different directions to the image to be recognized, and an imaging component configured to uniformly image the lights diffused by the image to be recognized so as to recognize the image to be recognized.
Weihai Hualing Opto-electronics Co., Ltd.


11/05/15
20150316892 

Scanner device and device for measuring three-dimensional shape of object


A laser beam (l50) is reflected by a light beam scanning device (60) and irradiated onto a hologram recording medium (45). On the hologram recording medium (45), an image (35) of a linear scatter body is recorded as a hologram by using reference light that converges on a scanning origin (b).
Dai Nippon Printing Co., Ltd.


10/29/15
20150309473 

High resolution projection micro stereolithography system and method


A high-resolution pμsl system and method incorporating one or more of the following features with a standard pμsl system using a slm projected digital image to form components in a stereolithographic bath: a far-field superlens for producing sub-diffraction-limited features, multiple spatial light modulators (slm) to generate spatially-controlled three-dimensional interference holograms with nanoscale features, and the integration of microfluidic components into the resin bath of a pμsl system to fabricate microstructures of different materials.. .
Lawrence Livermore National Security, Llc


10/22/15
20150304642 

Mobile terminal


A mobile terminal according to one embodiment of the present invention comprises: a first body and a second body detachably attached to each other; a first light source on the first body so as to provide light to the second body; a first filming unit, on the second body, for forming a first hologram by means of light supplied from the first light source. Thus more diverse holographic images can be produced by replacing the first body..
Lg Electronics Inc.


10/22/15
20150302869 

Conversation, presence and context detection for hologram suppression


Various embodiments relating to detecting at least one of conversation, the presence and the identity of others during presentation of digital content on a computing device. When another person is detected, one or more actions may be taken with respect to the digital content.

10/22/15
20150300803 

Three-dimensional shape measuring device, acquiring hologram image, and measuring three-dimensional shape


[solution] a three-dimensional shape measuring device, wherein an object-light optical system allows object light to be incident on a polarization element for detecting relative phase differences in a first circularly polarized light state, a reference-light optical system allows a reference light to be incident on a polarization element for detecting relative phase differences in a second circularly polarized light state in the direction opposite from the first circularly polarized light, and the polarization element for detecting relative phase differences transmits a component of the object light, which is the first circularly polarized light, in the polarization direction of the polarization element for detecting relative phase differences, and a component of the reference light, which is the second circularly polarized light, in the polarization direction of the polarization element for detecting relative phase differences. The polarization direction of the polarization element for detecting relative phase differences is rotated to thereby vary the relative phase difference between the object light and the reference light transmitted through the polarization element for detecting relative phase differences and to acquire a plurality of hologram images having different relative phase differences..

10/22/15
20150298484 

Information recording media and printing on information storage media


To provide an information storage medium and a method for printing on the information storage medium that can improve a quality of printing on a laser coloring layer in a lower than a functional film layer. A card 1 includes: a base material 11; a laser coloring layer 12 that is laminated upper z2 than the base material 11 and produces color by laser irradiation; a transparent layer 13 that is laminated upper z2 than the laser coloring layer 12 and is translucent; a lippmann hologram layer 14 that is laminated upper z2 than the transparent layer 13 and is translucent; and a transparent layer 15 that is laminated upper than the lippmann hologram layer and is translucent..
Dai Nippon Printing Co., Ltd.


10/15/15
20150293499 

System, 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 the received electromagnetic radiation and transmit a diffracted electromagnetic radiation.

10/15/15
20150293498 

Self-reference holographic imaging system


A system for recording a digital hologram of an object comprises: a coherent source intended to illuminate the object and thus produce a wave diffracted by the object; and a digital sensor intended to record the digital hologram of the object. It furthermore comprises a spatial phase modulating assembly able to produce in the plane of the sensor a plurality of duplicates of the wave diffracted by the object, the duplicates being offset from each other but overlapping partially, these duplicates forming on the sensor a digital hologram of the object, this hologram being what is referred to as a self-reference hologram..

10/08/15
20150286186 

Apparatus and fast generation of three-dimensional (3d) hologram


An apparatus for generating a hologram that may generate a three-dimensional (3d) hologram pattern at a high speed may include a pattern setting unit to set points for which hologram patterns are to be generated with respect to a one-eighth area of an entire area for which a hologram pattern is to be generated, a calculation unit to calculate pattern values for a plurality of reference points selected with respect to the one-eighth area of the entire area, and to generate a pattern for the one-eighth area using recurrent interpolation, and a pattern duplicating unit to complete a pattern for the entire area by duplicating the generated pattern for the one-eighth area.. .

10/08/15
20150286185 

Globe display device


A globe display device includes a display unit having a spherical shape, a driving unit in the display unit, the driving unit being configured to drive the display unit, a hologram generating unit in the display unit, the hologram generating unit being configured to display holograms on the display unit, a sensing unit in the display unit, the sensing unit being configured to detect information according to user input, and a control unit configured to control the driving unit and the hologram generating unit using values detected by the sensing unit.. .

10/08/15
20150286128 

Device and omnidirectional image display


The invention generally relates to the display of images viewable from any direction and devices therefor. In some aspects, the invention provides an apparatus for displaying a hologram-like image.

10/08/15
20150283847 

Information medium and a producing the same


The invention provides for an information medium containing one or more light transmissible opening. Further processes and/or security features may be added within this see-through section or on other part(s) of the information medium body or both.

10/01/15
20150279410 

Optical recording and playback apparatus


An optical recording and playback apparatus o includes: a light source configured to emit a light beam; a tracking mirror configured to change a direction of the light beam; a collimator configured to form the light beam into a parallel light beam; an objective lens configured to collect the parallel light beam to the optical tape; a lens actuator configured to adjust a position of the objective lens in a focus direction of the optical tape and a position of the objective lens in a tracking direction of the optical tape; a polarization hologram plate configured to separate a reflected light beam of the light beam; a photodetector receiving elements configured to receive the plurality of light fluxes; and a control circuit configured to control the lens actuator and the tracking mirror. The tracking mirror is disposed near the light source, and movable in the tracking direction..
Panasonic Intellectual Property Management Co., Ltd.


10/01/15
20150277551 

Scanning liquid-crystal display backlight


A display includes an optical waveguide with opposing front and back faces, an injection optic, and volume hologram arranged on or within the waveguide. The injection optic is configured to inject light into the waveguide at a variable injection angle, which influences the reflection angle at which the light reflects from the front and back faces on propagating through the waveguide.
Microsoft Corporation


10/01/15
20150277379 

Apparatus and estimating position of hologram object


Provided are a hologram object position estimating apparatus and method for estimating a position of an object recorded in a hologram at a high speed using only light wave information recorded in the hologram. The apparatus for estimating a position of a hologram object includes a local spatial frequency calculating unit configured to calculate a local spatial frequency on a plane based on input hologram data, and a light ray focal point calculating unit configured to calculate a focal point on which light rays starting from the hologram plane converge on a hologram plane using the local spatial frequency calculated by the local spatial frequency calculating unit to estimate a position of an object..
Electronics And Telecommunications Research Institute


10/01/15
20150277378 

Image based multiview multilayer holographic rendering algorithm


Algorithms for improved and more efficient rendering of three-dimensional images for use with holographic display systems. These algorithms include creating layers orthogonal to a viewing direction, the separate layers representing different depths in the image.
Disney Enterprises, Inc.


10/01/15
20150277377 

Conversion of complex holograms to phase holograms


Fast processing of information represented in digital holograms is provided to facilitate converting a complex fresnel hologram into a phase-only hologram, which can be a localized error diffusion and redistribution (lerdr) hologram, for displaying 3-d holographic images representative of a 3-d object scene. For a complex fresnel hologram representing a 3-d object scene, a holographic generator component (hgc) can directly apply an lerdr process to the complex hologram to facilitate converting the complex hologram into an lerdr hologram.
City University Of Hong Kong


10/01/15
20150277375 

Optical waveguide including spatially-varying volume hologram


An optical waveguide includes a waveguide body and a spatially-varying volume hologram. The volume hologram increases, in a coordinate direction along the volume hologram, an angle of incidence by which light propagating in the waveguide body via total internal reflection is released from the waveguide body.
Microsoft Corporation


10/01/15
20150277116 

Lightguide with multiple in-coupling holograms for head wearable display


An optical apparatus for a head wearable display includes a lightguide, in-coupling holograms, and an out-coupling optical element. The lightguide includes an in-coupling region for receiving display light into the lightguide, an out-coupling region for emitting the display light out of the lightguide, and a relay region for guiding a path of the display light from the in-coupling region to the out-coupling region.
Google Inc.


10/01/15
20150276374 

Interferometric apparatus with computer-generated hologram for measuring non-spherical surfaces


Method and system of interferometrically measuring, in reflection, a non-spherical surface with two diffracted beams (of different diffraction orders) formed by a diffractive element positioned transversely to the axis of a common-path interferometer. The first diffracted beam substantially maintains the wavefront of a beam incident onto the diffractive element, while the second diffracted beam has a wavefront profile corresponding to the profile of the measured surface.
Dmetrix, Inc.


09/24/15
20150268629 

Photosensitive composition for forming volume hologram recording layer


The photosensitive composition for volume hologram recording layer formation includes components (a), (b), (c), (d), and (e). Component (a) is at least one cationically polymerizable compound including a compound represented by formula (1).

09/24/15
20150268628 

Holographic microscope, holographic image generation method, and acquiring data for holographic image


The present method includes a data acquisition process and tomographic image generation processes. In the data acquisition process, holograms of an object light and so forth are acquired for each light with a wavelength by changing the wavelengths of the illumination light, off-axis spherical wave reference light, and inline spherical wave reference light.
University Of Hyogo


09/24/15
20150268467 

Imaging lightguide with holographic boundaries


An optical element for a head mounted display (“hmd”) includes a lightguide. The lightguide is embedded in the optical element and optically coupled to receive display light and direct the display light in an eyeward direction.
Google Inc.


09/17/15
20150261185 

Methodology for a practical flat panel format holographic display utilizing the narrow hologram and holodot concepts


An apparatus for creating a holodot comprising of a low resolution 2 dimensional spatial light modulator (slm) and two crossed striped high resolution spatial light modulators. The first slm creates a 2d image and the second two focus the light into an observer's pupil..

09/10/15
20150254902 

Bringing mail to life via mobile systems and methods


A method is disclosed for bringing mail to life by providing a personalized multi-media experience using a camera-enabled mobile device to acquire an image stream of a mail piece. The method includes using the mobile device to process the image stream to generate multi-media content and reproduce the content using the mobile device.

09/10/15
20150253730 

Method and generating/converting digital hologram


A method and apparatus for generating/converting a digital hologram is provided. The method for generating the digital hologram includes: clustering points of a 3d object to a plurality of clusters according to a distance to a screen; generating diffraction patterns in a unit of a cluster; and generating a fringe pattern by overlapping the diffraction patterns with one another.
Korea Electronics Technology Institute


09/10/15
20150253197 

Method for measuring optical phase, device for measuring optical phase, and optical communication device


The present invention relates to an optical phase measuring method and an optical phase measuring device which can measure phase information contained in an object beam with high accuracy. Intensity distributions of a test object beam, a first reference beam and a first hologram made from the object beam and the first reference beam are detected by the first light intensity detection section.
National University Corporation Hokkaido University


09/10/15
20150250154 

Squid-shaped soft lure for fishing


A squid-shaped soft lure simulating color tone, shimmer and movement of a live squid is formed as a squid-shaped lure main body made of a transparent or translucent thermoplastic elastomer with rubber-like elasticity into which shimmering substances are incorporated. The lure has a hollow interior to receive along its length a line which is to be equipped with a hook.
Kabushiki Kaisha Hopec


09/03/15
20150248111 

Spherical hologram generation method and apparatus


Provided is a spherical hologram generation method and apparatus, the apparatus including a shaper to generate a virtual spherical surface with respect to an object, and dispose a plurality of unit plane holograms on the spherical surface, and a processor to record a light wave related to the object in each of the plurality of unit plane holograms, and restore an omnidirectional stereoscopic image of the object using the recorded light wave.. .
Electronics And Telecommunications Research Institute


09/03/15
20150248110 

Method for recording gabor hologram


The present invention is related to an holographic probe device for recording gabor hologram comprising: a coherent optical fiber bundle comprising a distal end and a proximal end; a recording medium optically coupled to the proximal end of the coherent optical fiber bundle; a light source producing in use a single light beam, illuminating the distal end of the coherent optical fiber bundle and the object to be observed.. .
Universite Libre De Bruxelles


08/27/15
20150241845 

Security elements and their manufacture


The present invention relates to complex security elements based on recording materials for optical elements with refractive index modulation, in particular, holograms, which are subsequently coated with specific metallic nano-shaped metal particles, a method for their manufacture, in particular on a paper or on a plastic substrate and a security product obtainable using the security element. A further aspect of the invention is the use of such a security element for the prevention of counterfeit or reproduction of a document of value..
Basf Se


08/20/15
20150234351 

Despeckling a computer generated hologram


A method for despeckling a computer generated hologram (cgh) including producing a cgh, and jittering a location of an exit pupil of an optical system through which the cgh is imaged, relative to an observer's input pupil, so as to shift at least some speckles out of the exit pupil. A method for despeckling a computer generated holographic movie including computing a first modulation of a first holographic image in a holographic movie, and computing a second modulation of a second holographic image using an initial phase distribution used for calculating the first holographic image as an initial phase distribution used for calculating the second modulation.
Real View Imaging Ltd.


08/20/15
20150234350 

Digital holographic display method and apparatus


The present invention proposes a digital holographic display apparatus including a light generating unit configured to generate coherent light, a spatial light modulator configured to reproduce 3-dimensional hologram images on a space by modulating the coherent light, a vertical viewing angle magnifying unit configured to expand a vertical viewing angle by vertically steering a beam that forms the hologram images through a first mirror, a horizontal viewing angle magnifying unit configured to expand a horizontal viewing angle by steering the beam to top of a table through a second mirror, and a control unit configured to control the special light modulator, the vertical viewing angle magnifying unit and the horizontal viewing angle magnifying unit in order the hologram images to be formed on an observation space for hologram. Accordingly, by expanding the horizontal and vertical viewing angles of hologram images, an observer may observe the hologram images more comfortably..
Electronics And Telecommunications Research Institute


08/20/15
20150234349 

Transfer sheet for hologram and design formation, manufacturing process therefor, and manufacturing process for hologram-design-bearing object


A hologram-forming layer is formed on all or a portion of a specified face of a sheet-like base material. A reversal-embossment-recording area with a reversal form of the desired hologram record by fine embossment is present on all or a portion on the side opposite to the base material of the hologram-forming layer.
Matsui Shikiso Chemical Co., Ltd.


08/06/15
20150221331 

Hologram recording device and hologram recording method


Appropriate recording with respect to a hologram recording medium is to be realized. After a region recording process of arranging holograms in which information is recorded at a predetermined interval in a first predetermined region of the hologram recording medium, and before a post-curing with respect to the first predetermined region is performed, signal light and reference light are applied onto a region different from the first predetermined region to perform information recording..
Hitachi Consumer Electronics Co., Ltd.


08/06/15
20150220058 

Mobile device capable of displaying hologram and hologram display method


A mobile device is provided which is capable of displaying a hologram. The mobile device includes a main body including a screen; a light guide member disposed above the screen; an entrance optical member disposed on a surface of the light guide member; and an image hologram disposed on a surface of the light guide member and laterally spaced apart from the entrance optical member.
Samsung Electronics Co., Ltd.


08/06/15
20150220057 

Security document and/or document of value containing a visually changeable window with a hologram


The present invention relates to a security document and/or document of value with a hologram in a visually changeable window as a novel security element, and also to a method for producing the same.. .
Bayer Materialscience Ag


08/06/15
20150220056 

Polycarbonate-based security documents and/or documents of value with a hologram in the card body


The invention relates to polycarbonate-based or copolycarbonate-based security documents and/or documents of value which contain at least one hologram integrated in the card body, and to a method for producing such security documents and/or documents of value.. .
Bayer Materialscience Ag


07/30/15
20150213645 

Providing a spatial anatomical model of a body part of a patient


A method for providing a spatial anatomical model of a body part with the aid of at least one imaging examination modality is provided. At least one digital representation of the at least partial body part is provided to a control device by the at least one imaging examination modality.

07/30/15
20150212489 

Apparatus and generating hologram


Provided are an apparatus and a method for generating a hologram, wherein the hologram generating apparatus includes an interface to receive location based image data of an object from cameras and a processor to generate hologram data of the object by determining a middle point located between a pair of adjacent cameras, generating image interpolation data corresponding to the middle point, synthesizing the location based image data and the image interpolation data.. .
Electronics And Telecommunications Research Institute


07/30/15
20150212488 

System, 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 the received electromagnetic radiation and transmit a diffracted electromagnetic radiation.
Celloptic, Inc.


07/30/15
20150212487 

Photosensitive composition for volume hologram recording, photosensitive substrate for volume hologram recording, and volume hologram recorded medium


The present invention is to provide: a photosensitive composition for volume hologram recording and a photosensitive substrate for volume hologram recording, which provide increased sensitivity during hologram recording and a high refractive index modulation amount, and which do not inhibit the decolorization of the sensitizing dye; and a volume hologram recorded medium which provides high-luminance hologram images with increased productivity. Disclosed is a photosensitive composition for volume hologram recording, comprising: a photopolymerizable monomer, a photopolymerization initiator, a sensitizing dye for sensitizing the photopolymerization initiator, a binder resin, and a thiol group-containing compound, wherein the photopolymerizable monomer contains a photoradically polymerizable monomer and a photocationically polymerizable monomer; wherein the thiol group-containing compound is a chain transfer agent for the photoradically polymerizable monomer and is a polyfunctional secondary thiol compound having two or more secondary thiol groups per molecule; and wherein the content of the thiol group-containing compound is 1.5 to 30 parts by mass with respect to 100 parts by mass of the photoradically polymerizable monomer..
Dai Nippon Printing Co., Ltd.


07/23/15
20150205261 

Illumination device and image recording medium


[problem] a penlight used for decoration or as a flashlight for the purpose of illuminating the surroundings lacks functionality for optimal enjoyment of a hologram, and no conventional illumination device for a hologram has decorative effect. [solution] the present invention has a hologram support unit, a light source, and a light diffuser, and by primarily irradiating the light diffuser from the light source, decorative effect is increased, and primarily a hologram image region can be illuminated from a predetermined angle from the same light source or a different light source.
Artience Lab Inc.


07/23/15
20150205260 

Digital holography device and digital holography play method


A digital holography device of an embodiment of the present invention includes: an image sensing device which records, in an image sensor and on the basis of an object, a plurality of holograms that correspond to respective different photographic exposure values; and a computer which (i) generates a high dynamic range hologram, which includes pieces of information ranging from low luminance information to high luminance information, by synthesizing the plurality of holograms recorded and (ii) generates a reconstructed image of the object by performing arithmetic processing of phase-shift interferometry, diffraction calculation, and/or the like on the basis of the high dynamic range hologram.. .
National University Corporation Kyoto Institute Of Technology


07/23/15
20150205259 

Holographic display method and apparatus using optical fiber array backlight for portable device


The present invention discloses a holographic display apparatus including a light irradiating unit configured to irradiate light using an optical fiber array backlight, a spatial light modulator (slm) configured to perform modulating the irradiated light, a lens configured to irradiate hologram images based on the modulated light, a pupil tracking unit configured to acquire location of an observer's pupil by pupil tracking, and a hologram generating unit configured to generate parallax hologram images that correspond to the location of pupil.. .
Electronics And Telecommunications Research Institute


07/16/15
20150201186 

Optical vortex 3d displays


A method for generating three dimensional (3d) displays. The method includes displaying a hologram that combines three (or more) images encoded into three (or more) different oam channels, and the method also includes reflecting light from the displayed hologram to create a multichannel light beam.
Disney Enterprises, Inc.


07/16/15
20150198924 

Digital infrared holograms


Embodiments are directed to an apparatus for creating a scene comprising: a plurality of micro-mirrors configured to rotate between an off position and at least two on positions to generate a plurality of holograms, and a processor configured to select positions for the micro-mirrors based on an input specification of the scene.. .
Raytheon Company


07/09/15
20150192899 

Method of computing a hologram for reconstructing an object using a display device


A method of computing a hologram for reconstructing an object using a display device. The display device enables a holographic reconstruction of the object.
Seereal Technologies Gmbh


07/09/15
20150192898 

Apparatus and measuring and evaluating field of view (fov) of reconstructed image of hologram


An apparatus and method for measuring and evaluating a field of view (fov) that measures an fov of a reconstructed image of a hologram, and evaluates a quality of the reconstructed image of the hologram is provided, the apparatus configured to photograph an optically reconstructed hologram image based on an integral imaging scheme to obtain an integral image, measure fov information using the integral image, calculate fov information of a source based on three-dimensional (3d) stereoscopic information used in the optical reconstruction of the hologram image, and evaluate an fov reconstruction quality of the hologram image.. .
Electronics And Telecommunications Research Institute


07/02/15
20150185697 

Method of static scaling of image in holographic lithography


Proposed is a method of static scaling of an image in holographic lithography. The method consists of generating a final virtual digital hologram of the original pattern through a sequence of mathematical calculations with participation of a virtual coherent light source having a predetermined wavelength λ1 and producing an actual hologram on the basis of the virtual digital hologram of the original pattern.

07/02/15
20150185696 

Method of microlithography with the use of divergent/convergent beams for holographic restoration of an image


The invention describes a method of manufacturing a holographic mask capable of producing an image pattern that contains elements of a subwavelength size along with decreased deviations from the original pattern. The original pattern is converted into a virtual electromagnetic field and is divided into a set of virtual cells with certain amplitudes and phases, which are mathematically processed for obtaining the virtual digital hologram.

07/02/15
20150185695 

Method for synthesis and formation of a digital hologram for use in microlithography


The invention describes a method of manufacturing a holographic mask capable of producing an image pattern that contains elements of a sub-wavelength size along with decreased deviations from the original pattern. The original pattern is converted into a virtual electromagnetic field and is divided into a set of virtual cells with certain amplitudes and phases, which are mathematically processed for obtaining the virtual digital hologram.

07/02/15
20150185484 

Pupil tracking apparatus and method


Provided is a pupil tracking apparatus and method, the apparatus including an image acquirer to acquire an image of an object by capturing the object, a space position detector to detect, from the image, a three-dimensional (3d) position of a predetermined portion in the object, and a display to output a hologram to a space corresponding to the 3d position.. .
Electronics And Telecommunications Research Institute


07/02/15
20150185376 

Optically variable security devices


An optical device is formed by hot stamping a demetallized hologram to an optically variable foil or to a coating of optically variable ink. In another embodiment a hologram is hot stamped to a banknote or document printed with a color-shifting ink..
Jds Uniphase Corporation


07/02/15
20150183257 

Verification of pharmaceutical product packaging to prevent counterfeits, using hidden security features revealed with a laser pointer


Pharmaceutical tablets and dosage forms are stored in a blister pack or other type of packaging which include additional anti-counterfeiting measures that are difficult to simulate and easy to reveal with a laser pointer. The blister pack is embossed with a hidden security feature including hidden information that is revealed only when a laser beam is directed through the packaging to be deflected at the hidden security feature.
I-property Holding Corp.


06/25/15
20150179208 

Optical information reproducing device


An optical information reproducing device, takes advantage of holography and can precisely detect a well-known pattern disposed at a prescribed location within a page and is used for correcting position deviation, rotation deviation, and magnification deviation. The optical fiber reproducing device includes a detection unit that detects the position information of a marker as a well-known pattern from a page as a 2-dimensional reproduction signal from a hologram, a detection error position estimating unit that estimates presence/absence of detection error in the position information of the marker and estimates the position where the detection error occurs if there is detection error, a position correcting unit that corrects the marker position information of the detection error position specified by the detection error position estimating unit, and a signal detection unit that detects each signal from within the page based on the corrected marker position information..
Hitachi Consumer Electronics Co., Ltd.


06/25/15
20150177688 

Apparatus for copying a hologram


A holographic recording apparatus having a source of illumination, a master hologram containing at least one hologram lamina overlaying, a copy substrate containing a holographic recording medium, and a voltage generator for applied a voltage across at least one of the master hologram and the copy substrate. The master hologram diffracts the illumination light into zero order light and diffracted light which interfere in the copy substrate to form a copy of the master hologram.

06/25/15
20150177687 

Hologram recording recording holographic element images on partitioned hologram film


Provided is a hologram recording apparatus for recording holographic element images on a partitioned hologram film, the apparatus including at least one object beam converging lens system located in each partitioned region of a hologram film. The at least one object beam converging lens system may output a signal beam by modulating an object beam using holographic element images, and condense the signal beam to be incident to the hologram film..
Electronics And Telecommunications Research Institute


06/25/15
20150177686 

Hologram recording recording holographic element images using spatial light modulator (slm)


Provided is an apparatus and method for recording holographic element images using a spatial light modulator (slm), the apparatus including a recording light source unit to split a source beam output from a light source into a first output beam and a second output beam and output the first output beam and the second output beam, a reference beam generator to eliminate a distortion of the first output beam, and generate a reference beam by controlling a size and a shape of the distortion-eliminated first output beam, an object beam generator to generate an object beam by eliminating a distortion of the second output beam, and an object beam converging lens system to output a signal beam by modulating an object beam using a holographic element image, split the output signal beam in a plurality of directions, and converge split signal beams to be incident to a hologram film.. .
Electronics And Telecommunications Research Institute


06/18/15
20150172246 

Stickers for electronic messaging cards


A method and a device are disclosed including software components that are executed on a computing device to enable multimedia communications. A message card constituting an integrated messaging unit is used to transmit and receive multimedia data between two or more computing devices.

06/18/15
20150170019 

Vehicle identification means


A vehicle identification means (10) that has an at least partially electrically conductive film (12) and a hologram (36) and/or a reflective film. In addition, at least one data carrier (26), which can be read out in a contactless manner, having an antenna is provided.
Tönnjes Isi Patent Holding Gmbh


06/18/15
20150168914 

Increasing an area from which reconstruction from a computer generated hologram may be viewed


A method of enlarging an observation window from which the reconstruction from a computer generated hologram (cgh) may be viewed, including reproducing a cgh, and shifting a location of an exit pupil or observation window of an optical system reproducing the cgh. A method of increasing a viewing angle from which the reconstruction from a computer generated hologram (cgh) may be seen, including producing a plurality of instances of a cgh, projecting each one of the instances in a different direction so that a first exit pupil of a first instance is close to a second exit pupil of a second instance.
Real View Imaging Ltd.


06/18/15
20150168213 

High-resolution spectrometers based on substrate-guided wave holograms


A sgwh-based spectrometer is disclosed that has the following advantages compared to prior art: compactness, high-resolution, high light throughput, high oob rejection ratio, adjustability to the different wavebands, robustness and environmental stability.. .
Luminit Llc




Hologram topics: Holographic, Modulation, Visibility, Holographic Data Storage, Control Unit, Phase Modulation, Spatial Modulation, Contrast Ratio, Imaging System, Processing Device, Recording Device, Calibration, Data Storage, Reproduction, Light Guide

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