Popular terms

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

Follow us on Twitter
twitter icon@FreshPatents

Web & Computing
Cloud Computing
Ecommerce
Search patents
Smartphone patents
Social Media patents
Video patents
Website patents
Web Server
Android patents
Copyright patents
Database patents
Programming patents
Wearable Computing
Webcam patents

Web Companies
Apple patents
Google patents
Adobe patents
Ebay patents
Oracle patents
Yahoo patents

[SEARCH]

Hologram patents

      

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




Date/App# patent app List of recent Hologram-related patents
08/18/16
20160238379 
 Method for measuring three-dimensional profile of specular object by fringe projection patent thumbnailnew patent Method for measuring three-dimensional profile of specular object by fringe projection
A method using fringe projection to describe the three-dimensional profile of a specular object is presented and has steps of: providing a diffraction grating formed by exposing and developing a hologram and having at least two sets of interference fringes; guiding a conjugate of the reference light generated from a conjugate light source to pass through the diffraction grating, in order to generate a real image with a long depth of field, a wide convergent angle, and a sinusoidal distribution light intensity; projecting this real image onto an inspected specular object; using an image capture device to capture the intensity distribution of the real image on the inspected specular object so as to obtain an image signal; and using an image processor to analyze the image signal so as to identify the profile of the inspected specular object.. .
National Sun Yat-sen University


08/11/16
20160232933 
 Hologram reproducing apparatus and hologram reproducing method patent thumbnailHologram reproducing apparatus and hologram reproducing method
The purpose of the present invention is to provide a hologram reproducing apparatus and a hologram reproducing method, which are suitable for reproducing hologram. The purpose can be achieved by means of a hologram reproducing apparatus, which reproduces information signals by irradiating an optical information recording medium with reference light, and a hologram reproducing method for the hologram reproducing apparatus.
Hitachi Consumer Electronics Co., Ltd.


08/11/16
20160231707 
 Hologram module, display device having the same and wearing device having the same patent thumbnailHologram module, display device having the same and wearing device having the same
A hologram module includes a phosphor layer and a rainbow hologram sheet. The phosphor layer has a phosphor array structure.
Wistron Corp.


08/11/16
20160231706 
 System and  generating occlusion-culled hologram at high speed using omnidirectional angular spectrum patent thumbnailSystem and generating occlusion-culled hologram at high speed using omnidirectional angular spectrum
A system and method for generating an occlusion-culled hologram at a high speed using an omnidirectional angular spectrum in which it is possible to uniformly maintain a hologram generation speed regardless of the sampling number of an object and increase the three-dimensional (3d) effect of a hologram image. The system includes a omnidirectional angular spectrum generation module configured to receive geometric information of an object and generate an occlusion-culled omnidirectional angular spectrum based on the received geometric information, and a hologram generation module configured to generate a hologram based on the omnidirectional angular spectrum provided from the omnidirectional angular spectrum generation module and the positional information and the directional information of a hologram provided from the outside..
Electronics And Telecommunications Research Institute


08/11/16
20160231550 
 Illuminator for multi-focus confocal imaging and optimized filling of a spatial light modulator for microscopy patent thumbnailIlluminator for multi-focus confocal imaging and optimized filling of a spatial light modulator for microscopy
One exemplary aspect relates to an optical system for illuminating a multi-focus confocal imager. This new illuminator has benefits such as improved throughput and field flatness.
Intelligent Imaging Innovations, Inc.


08/11/16
20160230010 
 Nonlinear optical dye, photorefractive material composition, photorefractive substrate and hologram recording medium patent thumbnailNonlinear optical dye, photorefractive material composition, photorefractive substrate and hologram recording medium
In the above general formula (1), each of x1, x2, x3 and x4 independently represents a hydrogen atom, an alkyl group having a carbon number of 1 to 6, a halogen atom, a hydroxyl group, a nitro group, a cyano group, or a methylsulfonyl group. In the present invention, it is preferred that each of x1, x2, x3 and x4 independently represents a hydrogen atom, an alkyl group having a carbon number of 1 to 6, or a halogen atom.

08/11/16
20160229089 
 Method for manufacturing a tool plate for treating a printing substrate, tool plate and embossing die patent thumbnailMethod for manufacturing a tool plate for treating a printing substrate, tool plate and embossing die
A method for manufacturing a tool plate for treating a printing substrate includes pressing a master die having a surface structure and a tool plate blank coated with a cured layer against one another in a pressing nip, trapping a curable layer therebetween. As a consequence, the curable layer is applied to the cured layer of the blank and receives a negative of the surface structure in a molding process.
Heidelberger Druckmaschinen Ag


07/28/16
20160216692 
 Table-top type hologram projection apparatus using aspheric mirror patent thumbnailTable-top type hologram projection apparatus using aspheric mirror
Provided is a hologram projection apparatus using an aspheric mirror, the apparatus including a spatial light modulator (slm), a first mirror, a motor, and a second mirror, wherein the first mirror is configured to reflect modulated light output by the slm, the motor is configured to rotate the first mirror, the second mirror is configured to reflect the modulated light reflected from the rotated first mirror, and the modulated light reflected from the second mirror, based on a degree of rotation of the first mirror, forms a consecutive viewing window in a horizontal direction.. .
Electronics And Telecommunications Research Institute


07/28/16
20160216691 
 Hologram projection apparatus using risley prism patent thumbnailHologram projection apparatus using risley prism
A hologram projection apparatus using risley prism is provided, the apparatus including a spatial light modulator (slm) configured to output light incident from a light source through modulation into a hologram image, a light deflector configured to deflect the light output by the slm according to a location of a pupil of a user, and a fixed-focus lens configured to project the hologram image on a focal plane using the deflected light.. .
Electronics And Telecommunications Research Institute


07/28/16
20160216690 
 Method and  correcting distortion of 3d hologram patent thumbnailMethod and correcting distortion of 3d hologram
Provided is a method and an apparatus for correcting a distortion of a three-dimensional (3d) hologram, in which the method is performed by the apparatus and includes generating a sliced two-dimensional (2d) section of a hologram by slicing the hologram while performing translation in an optical axis direction, obtaining a sharp sliced image of the hologram from a sequence of images of generated sliced 2d sections using a focusing function of a camera, and analyzing a distortion of the obtained sliced image, and using such a method and apparatus may enable correction of a distortion of a 3d hologram independently from a display structure.. .
Electronics And Telecommunications Research Institute


07/28/16
20160216203 

Sensor unit


A sensor unit (100) provided with a substrate (101), a plurality of light-receiving units (102) that are provided on the substrate (101) and detect light, and a diffraction grating layer (103) that is provided on the substrate (101) and the light-receiving units (102) and has at least two diffraction means for diffracting light of corresponding wavelengths and condensing the light onto the light-receiving units, wherein at least two of the diffraction means are composed from holograms formed on a first diffraction grating layer and at least a portion of the plurality of holograms formed on the first diffraction grating layer overlap at least partially with another adjacent hologram.. .
Nec Corporation


07/21/16
20160209809 

Holographic display device


Provided is a holographic display device. The holographic display device includes a light source unit configured to emit a light, and a spatial light modulator (slm) configured to modulate at least one of a phase and amplitude of the light emitted from the light source unit to output a hologram image, and including a plurality of pixel groups that are arranged in a first direction, wherein each of the plurality of pixel groups includes: first pixels arranged in a matrix x1×y1 and providing an image having a first wavelength, and second pixels adjacent to the first pixels in the first direction, arranged in a matrix x2×y2, and providing an image having a second wavelength that is different from the first wavelength..
Electronics And Telecommunications Research Institute


07/07/16
20160197221 

Three-dimensional thermal or photovoltaic solar panel with incorporated holography


The present invention relates to a solar panel with three-dimensional (3d) unitary structures or cavities that is made entirely of plastic materials and applicable to both a thermal solar panel and a photovoltaic solar module. The difference between both cases is that in the first case, the structure incorporates pipes (6) for a heat-carrying fluid, whereas in the second case it is provided with photovoltaic solar cells (8).
Instituto HologrÁfico Terrasun, S.l.


07/07/16
20160195850 

Hologram generation method and apparatus


Provided is a hologram generation method including receiving three-dimensional (3d) data information, determining a first projection position onto which the 3d data information is projected on a hologram plane corresponding to a first spatial light modulator (slm), and a second projection position onto which the 3d data information is projected on a hologram plane corresponding to a second slm, generating a first fresnel zone plate (fzp) pattern corresponding to the first projection position, and determining the first fzp pattern to be an fzp pattern corresponding to the second projection position.. .
Electronics And Telecommunications Research Institute


07/07/16
20160193748 

Method of producing collar stays from identification cards


The present invention comprises a method of using a punch for cutting one or more collar stays directly from an identification card. The punch includes a holding portion positioned on one side of the identification card and a die or blade portion aligned with the held identification card.
Pick Punch Llc


06/30/16
20160187851 

Hologram display controlling the same


Provided is a hologram display apparatus according to an exemplary embodiment of the present invention. The hologram display apparatus includes: a detector configured to detect a position of a viewer; and a spatial light modulation panel that modulates a light to display a hologram.

06/30/16
20160187850 

Data format for hologram, and holographic video system


A holographic image processing method and a holographic image display method are provided. The holographic image processing method performed by a holographic image processing apparatus may include acquiring a holographic image, encoding the holographic image by quantizing the holographic image to improve at least one of a temporal correlation, a spatial correlation, and a channel correlation of the acquired holographic image, and generating the encoded holographic image..

06/23/16
20160178920 

Projection device and projection-type video display device


An illumination device includes an optical element including a hologram recording medium capable of diffusing a coherent light beam, the hologram recording medium comprising a plurality of regions, each region diffusing a coherent light beam to an illuminated region corresponding to that region, and an irradiation device configured to irradiate the optical element with the coherent light beam so as to allow the coherent light beam to scan the hologram recording medium. The coherent light beam incident to a position existing in each region of the hologram recording medium is diffused to an entire region of the illuminated region corresponding to the region in order to illuminate the entire region of the illuminated region..

06/16/16
20160170372 

Scalable and tileable holographic displays


A holographic display system for generating a super hologram with full parallax in different fields of view in the horizontal and vertical directions. The display system includes assemblies or subsystems each adapted to combine holographic displays and coarse integral displays to produce or display a coarse integral hologram.
Disney Enterprises, Inc.


06/09/16
20160162642 

Integrated medical record system using hologram technology


In one aspect of the invention, a computer-implemented method may include maintaining in a computer system, a plurality of relationships among users in an aggregated data network. A user may receive a plurality of data points, where at least one of the data points, was requested via a relationship inquiry, made using a health insurance portability and accountability act (hipaa) compliant security clearance user interface.

06/09/16
20160161913 

Optical device for reproducing three-dimensional lighting images


An optical device includes a hologram recording member on which a hologram image is recorded, a light source for reproducing the hologram image, a first reflecting surface for projecting the hologram image ahead of the hologram recording member by reflecting a light from the light source into a rear side of the hologram recording member at a predetermined angle, and a second reflecting surface for generating a backlight by reflecting the light from the light source into the rear side of the hologram recording member.. .
Sl Corporation


06/09/16
20160161648 

Method of fabricating large area birefringent grating films


A method of fabricating large area birefringent grating films requires directing a uv beam through a large-scale lc polymer film alignment template on which a predetermined periodic alignment pattern has been imprinted and onto a photo-alignment layer such that the pattern is transferred thereon. The alignment template is fabricated by directing a collimated linearly polarized uv beam through a birefringent prism to produce two uv beams, which are directed onto a photo-alignment layer through a uniform quarter-wave plate to create a uv hologram which imprints the desired pattern onto the photo-alignment layer.
Teledyne Scienlific & Imaging. Llc


06/02/16
20160155873 

Flexible photovoltaic module


A flexible and/or bendable photovoltaic (pv) module including a plurality of pv cell based units, the immediately-adjacent of which are chained together by a flexible joint. A segment of flexible electrically-conductive member runs through the flexible joint to establish electrical communication between the pv cell based units.
Prism Solar Technologies Incorporated


06/02/16
20160154377 

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.


05/19/16
20160139561 

Full-color incoherent digital holography


In one embodiment, a color holographic image is created by generating a separate complex hologram for each of multiple different colors of an object field illuminated with incoherent light, combining the separate complex holograms to obtain a color complex hologram, and generating a reconstructed color holographic image of the object field.. .
University Of South Florida


05/12/16
20160132885 

Comparing extracted card data using continuous scanning


Comparing extracted card data from a continuous scan comprises receiving, by one or more computing devices, a digital scan of a card; obtaining a plurality of images of the card from the digital scan of the physical card; performing an optical character recognition algorithm on each of the plurality of images; comparing results of the application of the optical character recognition algorithm for each of the plurality of images; determining if a configured threshold of the results for each of the plurality of images match each other; and verifying the results when the results for each of the plurality of images match each other. Threshold confidence level for the extracted card data can be employed to determine the accuracy of the extraction.
Google Inc.


05/12/16
20160132021 

Device and calculating holographic data


An apparatus and a method for optimized calculation of 2d sub-holograms for object points of a three-dimensional scene and a pipeline for real-time calculation of holograms are provided. The invention shortens the calculation time of a hologram for representing a three-dimensional scene and/or to reduce the calculation complexity of such a hologram.
Seereal Technologies S.a.


05/05/16
20160125906 

Hologram reproducing device and hologram reproducing method


A hologram reproducing device which reproduces information from a recording medium having information recorded by interfering a signal beam and a reference beam, provided with a first light-angle change unit which changes an irradiation angle of the reference beam; a second light-angle change unit which changes the irradiation angle of the reference beam; a photodetector which detects a reproduction beam; a first light-angle drive-signal output unit which outputs a drive signal of the first light-angle change unit; a first light-angle control unit which controls the first light-angle change unit on the basis of the output of the photodetector; a second light-angle drive-signal output unit which outputs a drive signal of the second light-angle change unit; a second light-angle control unit which controls the second light-angle change unit; and a light-angle interpolation processing unit which controls a control target value of the second light-angle control unit.. .
Hitachi-lg Data Storage, Inc.


04/28/16
20160118076 

Optical information recording/reproducing apparatus


A hologram apparatus and hologram optical system includes: a light source which emits a light beam; a splitter which splits the light beam emitted from the light source into a first light beam and a second light beam; a first lens for exposing an optical information recording medium to convergent light of the first light beam; an optical path angle varying device which causes the second light beam to become incident at substantially the same position as the first light beam in the optical information recording medium and changes an angle of incidence of the second light beam incident on the optical information recording medium; and an optical path shifting element which shifts a position of a light beam incident on the optical information recording medium, according to an angle to the optical information recording medium of the light beam incident on the optical information recording medium.. .
Hitachi-lg Data Storage, Inc.


04/21/16
20160111123 

Optical information recording/reproduction device and adjustment method


The optical information recording/reproduction device for recording information by irradiating an optical information recording medium with signal light and reference light to form a hologram, and reproducing the information by irradiating the hologram with the reference light, wherein the optical information recording/reproduction device is provided with a branching element for branching laser light from a laser light source into signal light and reference light, a spatial light modulation unit for adding two-dimensional information to the signal light, an objective lens for irradiating an optical information recording medium with the signal light, a photodetector for detecting diffracted light from the optical information recording medium when irradiated with the reference light, and an optical axis adjustment unit disposed between the laser light source and the branching element, the optical axis adjustment unit adjusting the optical axis of the laser light.. .

04/21/16
20160110564 

Holographic encryption of multi-dimensional images


Cryptographic techniques for encrypting images, and decrypting and reconstructing images, are provided to facilitate preventing unauthorized access to images. A holographic cryptographic component (hcc) can generate a global image comprising a scaled version of a source image and random content, generate a phase hologram representing the global image, and encrypt the phase hologram to generate an encrypted hologram based on a random phase mask, which can be the private encryption key.

04/21/16
20160109851 

Neural control holography


Neural control of holograms is provided to facilitate improving the viewing pleasure of a viewer. A holographic processor component can generate holograms representing a multi-dimensional object scene.

04/14/16
20160104505 

Optical information apparatus and information processing apparatus


An rf hologram is divided in a direction perpendicular to a tangent line of an information track of an information recording surface of an optical disc, and includes a central region including an optical axis of laser light as well as a first end portion region and a second end portion region which sandwich the central region, the central region is formed by a binary diffraction grating and generates ±1 order diffracted light, the first end portion region is formed by a blazed diffraction grating and generates first +1 order diffracted light, the second end portion region is formed by a blazed diffraction grating and generates second +1 order diffracted light, and an rf light receiving element receives both the ±1 order diffracted light, the first +1 order diffracted light, and the second +1 order diffracted light.. .

04/14/16
20160103321 

Holographic display apparatus and holographic display method


A holographic display apparatus includes a spatial light modulator configured to generate hologram patterns to modulate light; an illuminator configured to emit the light to the spatial light modulator; and a controller configured to control operations of the spatial light modulator and the illuminator, the spatial light modulator being configured to generate, from among the hologram patterns, a first hologram pattern and a second hologram pattern according to the control operations of the controller, the first hologram pattern and the second hologram pattern being configured to form a first hologram image and a second hologram image having different viewpoints, and the controller being configured to set a first phase modulation value of the first hologram pattern and a second phase modulation value of the second hologram pattern to be different from each other such that hologram images having different viewpoints are formed.. .

04/14/16
20160101642 

Security elements and their manufacture


The present invention relates to complex security elements based on liquid crystal coatings which are subsequently coated with specific metallic nano-shaped metal particles, a method for their manufacture, in particular on a glass, paper or on a plastic substrate and a security product obtainable using the security element. The security element may contain additionally an embossed surface relief microstructure, especially an optically variable image (an optically variable device, ovd), such as a hologram.

03/24/16
20160085212 

Optical information recording/reproducing apparatus, optical information recording/reproducing method and data archiving system


In a hologram recording/reproducing apparatus where a wavelength-variable laser diode having the external resonator structure is used as its light-source, stable recording/reproducing quality is ensured with respect to a change in the recording/reproducing wavelength against the expansion or contraction of a hologram medium caused by the hologram recording and the temperature change. When the output wavelength from the wavelength-variable laser diode is changed to a predetermined target wavelength, the temperature of the laser light-emission part of the wavelength-variable laser diode is controlled by a temperature control element so that the wavelength band, within which the light-emission power of the laser light-emission spectrum is higher than a predetermined light-emission power, includes the above-described predetermined target wavelength..
Hitachi-lg Data Storage, Inc.


03/24/16
20160084643 

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.


03/17/16
20160077353 

Method of laser illumination with reduced speckling


Proposed is a method of laser illumination with reduced speckling for in optical microscopy, machine vision systems with laser illumination, fine optical metrology, etc. The method comprises forming a net of planar ridge waveguides into an arbitrary configuration and providing them with a plurality of holograms having holographic elements formed into a predetermined organization defined by the shape of a given light spot or light field which is to be formed by light beams emitted from the holograms on the surface of the object or in a space at a distance from the planar ridge waveguide.

03/17/16
20160077338 

Compact projection light engine for a diffractive waveguide display


The technology provides a waveguide display having a compact projection light engine and a diffractive waveguide. The diffractive waveguide includes input diffraction gratings with rolled k-vectors.

03/17/16
20160076877 

Position measuring device


A position measuring device of the invention includes a light emitter configured to emit a laser light, a hologram configured to generate a reconstructed image of an inclined surface relative to an optical axis, a light receiver disposed on a reconstructed image forming surface of the hologram, and a measurement unit configured to measure a position of an object based on a position of light received by the light receiver. In the position measuring device of the invention, the light emitter may emit a linear laser light and the light receiver may include an image sensor having a two-dimensional array of pixels..
Mitutoyo Corporation


03/17/16
20160075164 

Security element comprising a volume hologram


The present invention relates to a security element (20) to be built into an item, particularly a document (10), said security element comprising a holographic layer, enabling a volume hologram to be generated, and a non-holographic variable opacity structure generated by the presence of: a) one or more cutout(s) and/or at least partially translucent areas and moreover at least partially opaque area(s); and/or b) oriented platelet pigments. The variable opacity structure is at least partially placed over the hologram within a region of the security element observable in transmitted light..
Arjowiggins Security


02/25/16
20160055875 

Hologram recording and reproducing device, and angular multiplexing recording and reproducing method


A hologram recording and reproducing device and an angular multiplexing recording and reproducing method capable of detecting an angular error signal for which, in a two-beam angle multiplexing method, high-speed reproducing can be achieved with a superior recovered signal. A branch element branches a light beam, emitted from a light source, into a signal light and a reference light.
Hitachi Consumer Electronics Co., Ltd.


02/25/16
20160054704 

Photopolymer formulations for producing holographic media having highly crosslinked matrix polymers


The invention relates to a photopolymer formulation comprising a polyol component, a polyisocyanate component, a writing monomer, and a photoinitiator, containing a coinitiator and a dye having the formula f an, where f stands for a cationic dye and an″ stands for an anion, wherein the dye having the formula f an comprises a water absorption of =5%. The invention further relates to a holographic medium, in particular in the form of a film, containing a photopolymer formulation according to the invention, to the use of such a medium for recording holograms, and to a special dye that can be used in the photopolymer formulation according to the invention..
Bayer Intellectual Property Gmbh


02/18/16
20160050390 

Live teleporting system and apparatus


A telepresence system includes a projector for generating an image, a projection screen for reviewing the image generated by the projector and generating a reflected image and a foil for reviewing the reflected image generated by the projection screen. The foil generates and directs partially reflected image toward an audience, the partially reflected image being perceived by the audience as a virtual image or hologram located on a viewing stage.
Musion Ip Ltd.


02/18/16
20160049170 

Optical information recording and reconstructing device


During reconstruction, the hologram cannot be reconstructed at high speed. In the present invention, the distance between the optical system base point, which is associated with a recording medium address during recording, and the recording medium is measured, and said distance is recorded in a memory.
Hitachi Consumer Electronics Co., Ltd.


02/11/16
20160043734 

Apparatus for reducing data volumes


Apparatus for reducing data volumes, which apparatus comprises: (1) a source systems data profiler and extractor subsystem comprising: a. A fuzzy logic controller comprising fuzzyfier, inference, and output handling, b.
Penteract28 Limited


02/11/16
20160042757 

Hologram recording and playback device and hologram playback method


A hologram recording and playback device is provided with: a medium rotation unit which rotates a hologram recording medium around a predetermined rotational axis; a movement unit which is capable of moving the position of the medium rotation unit within a plane that is perpendicular to the rotational axis; an orthogonal incident angle modification unit which is capable of modifying an orthogonal incident angle; a medium rotation control unit which controls the medium rotation unit so as to rotate the hologram recording medium; an eccentricity compensation unit which performs positioning control of the movement unit; an orthogonal incident angle control unit which controls the orthogonal incident angle modification unit; and an orthogonal incident angle calculation unit which calculates the orthogonal incident angle.. .
Hitachi Consumer Electronics Co., Ltd.


02/11/16
20160041524 

Method and generating hologram


A method of generating a hologram includes receiving three-dimensional (3d) image data, dividing 3d image data into data groups which are independent from one another, by a first processor; calculating, from at least one of the data groups, hologram values to be displayed at respective positions on a hologram plane, by the first processor; calculating, from at least another one of the data groups, hologram values to be displayed at the respective positions on the hologram plane by a second processor, and summing the calculated hologram values for each of the respective positions on the hologram plane, by the first processor or the second processor, or by the first processor and the second processor in parallel.. .
Samsung Electronics Co., Ltd.


02/11/16
20160041523 

System and applying orthogonal limitations to light beams using microelectromechanical systems


A system for generating a light beam having a plurality of orthogonal function modes includes a light source for generating a plane wave light beam. A microelectromechanical (mem) system including an array of micro-mirrors for generating the light beam having the plurality of orthogonal function modes applied thereto responsive to the plane wave light beam and control signals for controlling the array of micro-mirrors.
Nxgen Partners Ip, Llc


02/11/16
20160041393 

Video display device and head-mounted display


A video display device is provided with: a display element which modulates light from an illumination optical system, and displays video; and an ocular optical system for guiding video light from the display element into a pupil of an observer. The ocular optical system is provided with: an ocular prism which guides the video light therein; and a holographic optical element (hoe).
Konica Minolta, Inc.


02/11/16
20160041323 

Light extracting diffusive hologram for display illumination


This disclosure provides systems, methods and apparatus for illumination, such as for illuminating displays, including reflective displays. An illumination device may include a light-extracting, diffusive holographic medium.
Qualcomm Mems Technologies, Inc.


02/11/16
20160040983 

Apparatus and measuring quality of holographic image


An apparatus and a method for measuring quality of a holographic image are disclosed. The apparatus for measuring the quality of the holographic image may include an obtaining unit to obtain a hologram, a reconstruction unit to reconstruct a three-dimensional (3d) holographic image by irradiating the hologram with a light source, a measuring unit to measure depth of the reconstructed holographic image, and an analysis unit to analyze depth representation quality of the holographic image base on the measured depth of the holographic image..
Electronics And Telecommunications Research Institute


02/11/16
20160040846 

Lamp for vehicle


A lamp for a vehicle may include a hologram reproducing apparatus reproducing a written image to an outside when light is input, a light source provided to one end side of the hologram reproducing apparatus, and a reflecting apparatus provided to another end side of the hologram reproducing apparatus and reflecting light of the light source to the hologram reproducing apparatus at a same incident angle as an incident angle when an image is written on the hologram reproducing apparatus.. .
Sl Corporation


02/04/16
20160033935 

Holography 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


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


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


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


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


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


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


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


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


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.




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

Follow us on Twitter
twitter icon@FreshPatents

###

This listing is a sample listing of patent applications related to Hologram for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Hologram with additional patents listed. Browse our RSS directory or Search for other possible listings.


0.9368

4668

2 - 1 - 106