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Hologram patents



      
           
This page is updated frequently with new Hologram-related patent applications. Subscribe to the Hologram RSS feed to automatically get the update: related Hologram RSS feeds. RSS updates for this page: Hologram RSS RSS


Transfer sheet for hologram and design formation, manufacturing process therefor, and manufacturing process for…

Hitachi Consumer Electronics

Hologram recording device and hologram recording method


Date/App# patent app List of recent Hologram-related patents
08/20/15
20150234351 
 Despeckling a computer generated hologram patent thumbnailDespeckling 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 patent thumbnailDigital 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 patent thumbnailTransfer 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 patent thumbnailHologram 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 patent thumbnailMobile 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 patent thumbnailSecurity 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 patent thumbnailPolycarbonate-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 patent thumbnailProviding 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 patent thumbnailApparatus 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 patent thumbnailSystem, 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


06/11/15
20150160614 

Complex spatial light modulator and three-dimensional image display apparatus having the same


Provided are a complex spatial light modulator and a three-dimensional (3d) image display apparatus. The complex spatial light modulator includes a spatial light modulator configured to modulate a phase of light, a first prism array which is disposed after the spatial light modulator along a path of the light, and including prism units each having a first prism surface and a second prism surface, and a hologram optical device configured to diffract the light that has passed through the first prism array independently from a polarization of the light, where the first prism array and the hologram optical device are configured to modulate the phase and an amplitude of the light..
Samsung Electronics Co., Ltd.


06/11/15
20150160613 

Reconstruction of an image of an object at least partially hidden by a flame


It is disclosed a system for reconstructing an image of an object hidden by a flame. The system comprises a laser source emitting an infrared radiation and a lensless, off-axis interferometric arrangement that divides the infrared radiation into an object beam and a reference beam.
Consiglio Nazionale Delle Ricerche - Cnr


06/11/15
20150160393 

Solar light concentration plate


A solar light concentration plate comprises a first hologram which receives solar light and diffracts incident light in a range of an incident angle, and first and second light guides respectively disposed on both sides of the first hologram, wherein at least one of the first and second light guides has an outer surface substantially inclined to an inner surface of the at least one of the first and second light guides.. .
Samsung Display Co. Ltd.


06/11/15
20150158323 

Method for manufacturing security elements and holograms


The present invention relates to a method for forming a surface relief microstructure, especially an optically variable image (an optically variable device) on a transparent or translucent substrate and a product obtainable using the method. A further aspect of the invention is the use for the prevention of counterfeit or reproduction of a document of value and a method of forming a coating showing an angle dependent color change..
Basf Se


05/28/15
20150147685 

System and holography-based fabrication


A system and method may utilize holography to facilitate fabrication techniques such as 3d printing and lithography. The system may include a light source, a hologram of an original object or lithographic pattern recorded in a holographic medium, and a target such as a reservoir of photosensitive material or a photosensitive material attached to a substrate.
Wasatch Photonics, Inc.


05/28/15
20150147684 

System and holography-based fabrication


A system and method may utilize holography to facilitate fabrication techniques such as 3d printing and lithography. The system may include a light source, a hologram of an original object or lithographic pattern recorded in a holographic medium, and a target such as a reservoir of photosensitive material or a photosensitive material attached to a substrate.
Wasatch Photonics, Inc.


05/28/15
20150146511 

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


In an optical information recording/reproducing device that radiates signal light and reference light to a recording medium, forms a hologram, and records information and emits the reference light to the hologram of the recording medium and reproduces information, a laser light source that generates the signal light and the reference light; a light angle control unit that controls an angle of the reference light incident on the recording medium; a light detecting unit that detects diffracted light when the reference light is radiated; a positioning unit that allocates an address to the recording medium and performs positioning of the recording medium for the address; a tilt measuring unit that measures a tilt of the recording medium; and a control unit that controls the incidence angle of the reference light, on the basis of a tilt measurement result in a recording mode, in a reproduction mode, are included.. .
Hitachi-lg Data Storage, Inc.


05/28/15
20150146271 

Sub-hologram generation holographic display


A sub-hologram generation method and an apparatus for a hologram display are provided, the apparatus including at least a first calculation unit configured to calculate a size of a first sub-hologram area corresponding to a first hologram object using a user viewing window, a second calculation unit configured to calculate a size of a second sub-hologram area corresponding to the first hologram object based on a size of a display pixel, and a determiner configured to compare the size of the first sub-hologram area and the size of the second sub-hologram area, and to determine a sub-hologram area corresponding to the first hologram object based on a result of the comparing.. .
Samsung Electronics Co., Ltd.


05/28/15
20150145239 

Security system with optical waveguide


A security document comprises a substrate (1) and an optical waveguide (7). Couplers (10a, 10h) are provided in the waveguide (7) for coupling light into and out of the waveguide.
Orell FÜssli Sicherheitsdruck Ag


05/21/15
20150138613 

Apparatus and displaying pseudo-hologram image based on pupil tracking


Provided are an apparatus and a method for displaying a hologram image based on pupil tracking, wherein a hologram image display apparatus includes a location determiner to determine a location of a user using a captured image of the user and a hologram information reconstructor to reconstruct first hologram information as second hologram information optimized for the location of the user to reproduce the hologram image.. .
Electronics And Telecommunications Research Institute


05/21/15
20150137504 

Printing diffraction gratings on paper and board


A method and an apparatus for forming a surface relief microstructure, especially an optically variable image on a paper substrate are provided, the method comprising the steps of: a) applying a curable composition to at least a portion of the frontside of the paper substrate; b) contacting at least a portion of the curable composition with surface relief microstructure, especially optically variable image forming means; c) curing the composition by using at least one uv lamp (1, 2, 3) which is arranged on the backside of the paper substrate; d) optionally depositing a layer of a transparent high refractive index material and/or a metallic layer on at least a portion of the cured composition, wherein the lamp (1, 2, 3) having emission peak(s) in the uv-a and near vis range and the curable composition comprises at least a photoinitiator which absorbs in the uv-a region and preferably in the near vis range. A paper product obtainable uses the method and an apparatus for forming a surface relief microstructure on a paper substrate.
Basf Se


05/14/15
20150131133 

Fast generation of pure phase digital holograms


Fast processing of information represented in digital holograms is provided to facilitate generating a phase-only hologram for displaying 3-d holographic images representative of a 3-d object scene on a display device. A holographic generator component (hgc) can receive or generate visual images, comprising depth and parallax information, of a 3-d object scene.

05/14/15
20150130896 

Light redirection hologram for reflective displays


This disclosure provides systems, methods and apparatus for enhancing the brightness and/or contrast ratio of display devices. In one aspect, the display devices can include a light redirector that is optically coupled with a diffuser.

05/07/15
20150124303 

Substrate-guided wave-based transparent holographic center high mounted stop light and fabrication thereof


Multiple pairs of substrate-guided wave-based holograms (sgwhs) are laminated to a common thin substrate to form a transparent substrate-guided wave-based holographic chmsl (sgwhc) that diffracts playback led illumination over a wide angular range. This device is made pursuant to a technique that includes the steps of recording a first set of sgwhs with one setup, that upon playback, will couple and guide the diffracted light inside the substrate, and a second set of sgwhs recorded with another setup, that will diffract and couple the guided light out..
Luminit Llc


05/07/15
20150124302 

Method for encoding a hologram in a light modulation device


A hologram is constructed from individual subholograms assigned to corresponding encoding regions in a light modulation device and respectively assigned to an object point of the object to be reconstructed with the hologram. With a virtual observer window, a defined viewing region is provided through which a reconstructed scene in a reconstruction space is observed by an observer.
Seereal Technologies S.a.


05/07/15
20150124051 

Methods and enhanced reality messaging


A method for delivering an enhanced reality message includes recording a holographic image displayed on a matte surface with the built in camera of a mobile electronic device, such as a web-cam, tablet, smartphone, iphone or the like. The camera takes a photo of the marker and software in an app of the electronic device produces a calibration reference based on the specific marker.

04/30/15
20150117002 

Holographic ornament


An ornament includes: a shell (18, 118, 318); a hologram (24, 124, 324) mounted inside the shell (18, 118, 318), the hologram (24, 124, 324) comprising a substrate containing a recorded interference pattern, and having a viewing side (26, 126) and an opposed backside (28, 128); and a light source (30, 130, 330) mounted to the shell (18, 118, 318) and positioned so as to project light onto the hologram (24, 124, 324).. .

04/30/15
20150116800 

Image processing apparatus


The phase of laser light is modulated by a phase modulating array, and a hologram image is projected on a rotating screen. Light emission of the laser light is driven by pwm modulation so that a light emission period and a non-light emission period following the light emission period are repeated.
Alps Electric Co., Ltd.


04/30/15
20150116798 

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.


04/23/15
20150109895 

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


When books are densely bedded on a recording medium for recording a hologram on the medium with a high density, the books need to be positioned at a reference light irradiation position with a high precision when reproducing. An optical information reproducing apparatus for producing information from an optical information recording medium, includes: a light source that emits a reference light; an angle adjustment part that adjusts an incident angle of the reference light emitted from the light source to the optical information recording medium; a filter part that suppresses an unnecessary light of a diffracted light obtained when the optical information recording medium is irradiated with the reference light adjusted by the angle adjustment part; a light detection part that detects at least a part of the diffracted light obtained by irradiating the optical information recording medium with the reference light adjusted by the angle adjustment part; and a control part that controls the filter part, wherein at least a part of page data within an adjacent book is recorded as information on the optical information recording medium while deviating the incident angle of the reference light in an angle multiplexing direction, and wherein the control part controls the filter part on the basis of the signal detected by the light detection part..
Hitachi-lg Data Storage, Inc.


04/23/15
20150109648 

Image display apparatus and non-planar screen


To obtain images with a higher ansi contrast compared to that of the related art. A hemispherical hologram screen includes a hologram recording medium arranged on a projection surface.
Jvc Kenwood Corporation


04/16/15
20150103140 

Volume holographic imaging system (vhis) endoscope


Provided are modular volume holographic imaging system (vhis) endoscopic systems, comprising: an endoscope attachment module having a microscope objective lens, a single or cascaded compensated relay system configured to preserve an optical wavefront for use with a single or multiplexed volume hologram to select wavefronts originating from different object depths, and a system aperture; and a handle module configured to be reversibly attachable for operative communication with the endoscope attachment module, and having a beam splitter; a relay having adjustable spacing for object space focus compensation, and a single or multiplexed volume hologram suitable in operation to select wavefronts originating from different object depths, and wherein the handle module is further configured for operative communication with an illumination source and imaging optics. Preferably, an illumination module and an imaging module are configured to be in operative, reversibly attachable communication with the handle module.
The Arizona Board Of Regents On Behalf Of The University Of Arizona


04/16/15
20150103011 

Holographic interaction device


A holographic interaction device is described. In one or more implementations, an input device includes an input portion comprising a plurality of controls that are configured to generate signals to be processed as inputs by a computing device that is communicatively coupled to the controls.
Microsoft Corporation


04/09/15
20150098243 

Illumination device with spaced-apart diffractive media


This disclosure provides systems, methods and apparatus for an illumination system. In one aspect, the illumination system is a light guide that includes spaced-apart regions of medium containing diffractive features.
Qualcomm Mems Technologies, Inc.


04/09/15
20150098066 

Interferometric spatial light modulator for production of digital holograms


A digital holographic apparatus, system, and method are disclosed. The apparatus includes an electronic display device comprising an interferometric spatial light modulator based display engine and a processor coupled to the electronic display device.
Bayer Materialscience Llc


04/09/15
20150097925 

Apparatus and displaying hologram based on pupil tracking using hybrid camera


Provided are an apparatus and a method for displaying a hologram based on pupil tracking using a hybrid camera, wherein a hologram display apparatus includes a pupil tracker to track a location of a pupil of a user using a depth image and a color image generated by capturing an image of the user, a viewing window controller to control a viewing window of a hologram based on the tracked location of the pupil of the user, and a hologram generator to generate a hologram based on the controlled viewing window.. .
Electronics And Telecommunications Research Institute


03/26/15
20150086907 

Photosensitive composition for volume hologram recording, volume hologram recording medium using same, manufacturing volume hologram recording medium, and hologram recording method


Provided is a photosensitive composition for volume hologram recording capable of forming a volume hologram recording medium that less shrinks upon curing in hologram recording (in hologram formation) and resists cracking. The photosensitive composition for volume hologram recording contains an alicyclic epoxy compound (a) represented by formula (i); a thermal acid generator (b); a radically polymerizable compound (c); a radical polymerization initiator (d); and at least one epoxy compound (e) selected from the group consisting of compounds represented by formula (1), epoxidized fatty acid esters, and epoxidized conjugated diene polymers..
Daicel Corporation


03/26/15
20150085331 

Wide-viewing angle holographic display apparatus


A holographic display apparatus is provided. The holographic display apparatus may include an input optical unit to illuminate coherent parallel light to a spatial light modulator (slm), the slm to generate a plurality of hologram-modulated diffraction beams by illuminating the coherent parallel light in a plurality of directions, or to generate hologram-modulated higher-order diffraction beams by illuminating the coherent parallel light in a single direction, and an optical imaging unit to reproduce at least one holographic three-dimensional (3d) image with different viewpoints on a single imaging area, using the generated at least one diffraction beam..
Electronics And Telecommunications Research Institute


03/19/15
20150077819 

Synthetic optical holography


Methods and apparatus for imaging a phase or amplitude that characterizes a scattered field emanating from a physical medium. A local probe is stepped to a plurality of successive probe positions and illuminated with an illuminating beam, while a specified phase function is imposed on a reference beam relative to the illuminating beam.
The Board Of Trustees Of The University Of Illinois


03/19/15
20150077818 

Converting complex holograms to phase holograms


Fast processing of information represented in digital holograms is provided to facilitate converting a complex fresnel hologram into a single phase-only hologram, which can be called a bidirectional error diffusion (berd) hologram, for displaying 3-d holographic images representative of a 3-d object scene on a display device. The berd hologram can be capable of representing a 3-d object scene and preserving favorable visual quality on the reconstructed holographic image.
City University Of Hong Kong


03/19/15
20150077514 

Holographic imaging


Technologies are generally described for generating an image in a holographic imaging device by causing multiple reflections of a hologram reconstruction light on one side of a display panel in the holographic imaging device. An example device may include a display panel, a semi-transparent mirror layer on the display panel, a mirror layer at a side of the semi-transparent mirror layer opposite to the display panel, and a light irradiation unit opposite to the semi-transparent mirror layer.
Empire Technology Development Llc


03/12/15
20150070656 

Led light has kaleidoscope means


The led device project colorful image incorporate kaleidoscope-means, miniatures-means, project-means, optics-means, reflective means, led(s), power means, control means, vibration-means, motor-means, adjustable focus means, circuit-means, sensor-means, ic means, display-unit(s), lens, hologram means, lenticular means, laser created means, digital data means and other related parts & accessories inside co-inventors prior filing cases as listed inside content to make the led device project the colorful splendid patterns to any desired surface(s). The said kaleidoscope means has different mirror numbers, mirror arrangement, different leds arrangement to created very pretty colorful splendid image to viewer on walls, ceiling, object surface, floor, outdoor surface further may optional add motor means, adjust means to make image changeable, adjustable means to change focus, angle, size, colorful, time period, leds matrix-arrangement on each on-time, leds number for each on-time, led brightness, led duration..

03/12/15
20150069128 

Optical reading device, optical reading method, and program


An optical reading device authenticates an identification medium with cholesteric liquid crystal layer, having a structure in which no movable parts are necessary for switching circular circularly polarized light filter. The optical reading device reads an image from an identification medium having a cholesteric liquid crystal layer having a hologram processed, and an ink printed pattern layer in this order, and the device includes a light emitting part in which a right circularly polarized light filter is arranged in front of an led, a light emitting part in which a right circularly polarized light filter is arranged in front of an led, and a controlling part which switches light emission between the light emitting parts..
Nhk Spring Co., Ltd.


03/05/15
20150062885 

Light-emitting device with diffractive structures and a synthetic hologram


A heater of the metal layer.. .

03/05/15
20150062675 

Dynamic aperture holography


Methods and systems for performing dynamic aperture holography are described. Embodiments include a method of recording multiple holograms in a photosensitive recording medium, wherein multiple signal beam angular apertures used to record the multiple holograms differ from each other.
Akonia Holographics, Llc


03/05/15
20150062592 

Method and motility contrast imaging


A system for motility contrast imaging a biological target within tissue comprising a ccd array; an illumination source for generating an incoming beam; a first beam splitter for receiving the incoming beam and producing an object beam and a reference beam; a second beam splitter for illuminating a multitude of biological targets with the object beam and for directing backscattered object beams towards the ccd array; a computer-controlled delay stage for zero-path-matching the reference beam to the backscattered object beams; a reference beam that intersects the backscattered object beams at an angle to produce a series of interference fringes that modulate fourier-domain information; and a computer for receiving a time series of fourier-domain information. The interference fringes between the backscattered object beam and the reference beam are recorded by the ccd array and passed to the computer which constructs a digital hologram at successive times..
Purdue Research Foundation


03/05/15
20150062504 

Identification medium


An identification medium can be affixed to cloth or leather products by sewing. A cholesteric liquid crystal layer on which an embossed surface for forming a hologram is formed, is sandwiched between a first supporting member and a second supporting member.
Nhk Spring Co., Ltd.


02/26/15
20150056538 

Device for protecting crops using hologram of natural enemy eyes and fabricating the same


Disclosed are a device for protecting crops from wildlife, comprising an optical base film on both sides of which fluorescent holograms of natural enemies with both eyes and optionally claws or talons are laser printed while a composition containing a phosphorescent material and a repellent is applied to both eyes, and optionally to the claws or talons, and a method for fabricating the same. Oils and extracts from herbs are used selectively as ingredients in the repellent depending on repelling targets, that is, mammals, rodents and birds.
Bio Defense


02/05/15
20150036199 

Method of computing a hologram


A method of computing a hologram by determining the wavefronts at the approximate observer eye position that would be generated by a real version of an object to be reconstructed. In normal computer generated holograms, one determines the wavefronts needed to reconstruct an object; this is not done directly in the present invention.
Seereal Technologies Gmbh


02/05/15
20150036198 

Hologram transfer foil, fabrication image display element, image display element, and personal authentication medium


A hologram transfer foil according to an embodiment is thermally transferrable to a transfer base member. The hologram transfer foil has a structure configured such that a peeling layer, a diffraction structure forming layer and an adhesive layer are stacked on one surface of a substrate.
Toppan Printing Co., Ltd.


02/05/15
20150035946 

Methods and systems for three dimensional optical imaging, sensing, particle localization and manipulation


Embodiments include methods, systems, and/or devices that may be used to image, obtain three-dimensional information from a scene, and/or locate multiple small particles and/or objects in three dimensions. A point spread function (psf) with a predefined three dimensional shape may be implemented to obtain high fisher information in 3d.
The Regents Of The University Of Colorado, A Body Corporate


02/05/15
20150035270 

Thin aluminium flakes


The present invention relates to aluminium flakes having a thickness between 7 and 9 nm, coating compositions containing them and the use of the coating compositions for forming (security) products. When the compositions of the present invention are used in coating a hologram the obtained products show an extremely bright ovd image and extremely strong rainbow effect, high purity and contrast..
Basf Se


01/29/15
20150029567 

Folding holographic sight for a gun


A holographic weapon sight folds for storage or to position where a portion of the sight is out of the way when not in use. Certain embodiments include a readout beam source mounted to the stationary base of the sight and the source directly illuminates a hologram plate supported in a pivotally mounted hologram support when the sight is in a position intended for use..
Optiflow, Inc.


01/29/15
20150029565 

Device and feedback based digital holographic content reconstruction verification


Provided are a device and a method for feedback based digital holographic content reconstruction verification. The device may include a generator to generate a holographic content by receiving a first parameter value, a reconstructor to reconstruct a hologram from the holographic content, and a feedback based interface to adjust the first parameter value to be a second parameter value by receiving feedback on the hologram..
Electronics And Telecommunications Research Institute


01/15/15
20150015928 

Novel fast fourier transform (fft) analysis using waveform-embedded or waveform-modulated coherent beams and holograms


Method of fast fourier transform (fft) analysis for collecting waveforms and other vibrational intelligence and modulating or embedding same into one or more coherent reference beams of an n-dimensional holographic recording device for producing one or more holograms of objects, including singularity points in space. The result provides wholesale differentiation of waveforms distinguishable from others based on their spectral characteristics.

01/08/15
20150009684 

Surface light source device for recording/reproducing holograms


A surface light source device is provided. The surface light source device includes a light source, a beam splitter configured to split a light irradiated from the light source into a plurality of light beams each having a different path, a diffusion unit configured to diffuse the plurality of light beams split by the beam splitter into a surface light, and a collimating unit configured to arrange the plurality of light beams diffused from the diffusion unit in one direction..
Samsung Electronics Co., Ltd.


01/08/15
20150009547 

Method of operating a laser and laser apparatus using intra-cavity digital holograms


Laser apparatus includes an output coupler, a gain medium for generating laser light, a rear optical element, and an input coupler. The input coupler is arranged to direct a pump beam to the gain medium and to define an optical path between the output coupler and the rear optical element.
Csir


01/08/15
20150009546 

Holographic film and recording method


This invention relates to holographic film for recording multicolor volume holograms, especially full color volume reflection holograms, and to manufacturing techniques for such film, and to corresponding methods of recording multicolor and full-color volume, in particular volume reflection holograms. We describe a holographic film for recording a multicolor volume hologram, the film comprising: a carrier; a first photosensitive recording layer sensitive to one or both of red and green laser light; and a second photosensitive recording layer sensitive to blue laser light.

01/01/15
20150006387 

Preventing fraud using continuous card 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.


01/01/15
20150006361 

Extracting card data using three-dimensional models


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.


01/01/15
20150006360 

Threshold confidence levels for extracted card data


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.


01/01/15
20150002840 

Method for measuring an angle between two spatially separated elements


Some embodiments of the invention relate to a method for measuring an angle between two spatially separated elements having the steps: preparing a multiplex hologram having a plurality of interference patterns, at least two having different angles of incidence of an object light wave onto a hologram plane; arranging the multiplex hologram in a first element plane on a first element; lighting the multiplex hologram with a reference light wave; arranging a light detector in a second element plane on a second element; detecting a reference light wave refracted on an interference pattern with a light detector; creating an intensity pattern from the detected refracted reference light wave; assigning the angle of incidence stored as machine readable data to the intensity pattern; and/or calculating an angle between the first element plane and the second element plane from the assigned angle of incidence.. .
Hexagon Technology Center Gmbh


12/11/14
20140360088 

Fish shaped lure for trolling


Transfer sheets on which an image quite closely resembling an external appearance of a bait fish is color printed on the surface of a hologram sheet are adhered to back sides of bilaterally symmetrical body-half segments made of a flexible transparent thermoplastic resin in a state that the image can be viewed perspectively from the surface side. Only front head sides which occupy at least half in both the body-half segments are adhered and remaining rear end sides are kept open, by which a line equipped with a hook is guided out and wired to the front from the rear end sides via an interior hollow of a lure body..

12/04/14
20140355086 

Display device using computer generated hologram


The instant application discloses a display device including a pattern generator configured to generate a diffraction pattern from an image; a light source configured to emit emission light; an optical condenser which condenses the emission light to generate illumination light; and a spatial light modulator which diffracts the illumination light according to the diffraction pattern to generate diffracted light. The diffracted light passes through the optical condenser..

11/27/14
20140347858 

Illuminating device using coherent light source


A laser beam (l50) generated by a laser light source (50) 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 scatter plate is recorded as a hologram by using reference light that converges on a scanning origin (b).

11/27/14
20140347715 

Illuminating method using coherent light source


A laser beam (l50) generated by a laser light source (50) 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 scatter plate is recorded as a hologram by using reference light that converges on a scanning origin (b).

11/27/14
20140347713 

Image reading device


An image reading device having a conveying unit for conveying an irradiated member that has a hologram area in a conveying direction; a first light source for applying light to an irradiated part in the hologram area; and a second light source separated from the first light source along the conveying direction and applying light to an irradiated part in the hologram area when the hologram area is conveyed by a prescribed distance. An irradiation angle at which the irradiated part is irradiated with the light of the first light source is made to be different from an irradiation angle at which the irradiated part is irradiated with the light of the second light source when the hologram part is conveyed by the prescribed distance.

11/27/14
20140347391 

Hologram anchoring and dynamic positioning


A system and method are disclosed for displaying virtual objects in a mixed reality environment in a way that is optimal and most comfortable for a user to interact with the virtual objects. When a user is moving through the mixed reality environment, the virtual objects may remain world-locked, so that the user can move around and explore the virtual objects from different perspectives.

11/20/14
20140340723 

Volume hologram, manufacturing method thereof, and shift wavelength spectrum of diffracted light


A manufacturing method of the volume hologram includes a step of hologram recording for recording information to a hologram recording layer and a pressing step of the hologram recording layer for pressing at least a portion of the hologram recording layer recorded with the information. In the step of pressing the hologram recording layer, the hologram recording layer recorded with information may change..

11/20/14
20140340651 

Projection apparatus and hologram recording medium


A projection apparatus has a hologram recording medium configured to be capable of diffusing coherent light beams, an irradiation unit configured to irradiate coherent light beams to the hologram recording medium so that the coherent light beams scan the hologram recording medium, a light modulator that is illuminated by coherent light beams incident on and diffused at respective points of the hologram recording medium from the irradiation unit, a projection optical system configured to project a modulated image generated by the light modulator onto a scattering plane, and an imaging optical system provided between the hologram recording medium and the light modulator, configured to converge the coherent light beams diffused at respective points of the hologram recording medium to illuminate the light modulator.. .

11/13/14
20140333977 

Display device


Provided is a display device. The display device includes a backlight unit generating a plurality of flat lights and a spatial light modulator (slm) unit generating an interference pattern by using the plurality of lights according to hologram data and displaying a hologram based on the generated interference pattern.



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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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