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Hologram patents

      

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




new patent Devices and methods for holographic 3d imaging
A device, system and method for holographic 3d imaging. The device includes a laser light source that delivers a laser beam; an aperture disc including at least two pinholes, the laser beam being filtered by the pinholes so that a reference wave and an object wave are generated; a sample having a first area containing an object to be imaged and a second area without any object, in which the first area and the second area are illuminated by the object wave and the reference wave respectively; and an image sensor that captures an off-axis hologram for reconstructing an image of the object, in which the reference wave and the object wave are interfered on the image sensor and the hologram is captured based on an interference pattern of the reference wave and the object wave..
The Chinese University Of Hong Kong


new patent Plate for creating holograms and manufacturing the plate
A plate for creating holograms or other light-bending or diffractive microstructures on web-shaped or sheet-shaped printing substrates includes a relief for a relief printing process. The relief is formed of one or more raised dies and one or more adjacent depressions.
Heidelberger Druckmaschinen Ag


Virtual photorealistic digital actor system for remote service of customers
A system for remote servicing of customers includes an interactive display unit at the customer location providing two-way audio/visual communication with a remote service/sales agent, wherein communication inputted by the agent is delivered to customers via a virtual digital actor on the display. The system also provides for remote customer service using physical mannequins with interactive capability having two-way audio visual communication ability with the remote agent, wherein communication inputted by the remote service or sales agent is delivered to customers using the physical mannequin.

Hologram recording device and hologram recording method
The present disclosure discloses a hologram recording device and a hologram recording method. The hologram recording device comprises an object imaging unit comprising a cavity for accommodating an object whose interior wall is a reflective surface, and a light modulating unit configured to produce incident light and reference light interfering with the incident light and to direct the incident light to the object imaging unit.
Boe Technology Group Co., Ltd.


Digital holographic device
The techniques, apparatus, material and systems are described for a portable camera device which can be attached to the camera port of a conventional transmission or reflection microscope for complex wave front analysis. At least one holographic element (bs, grating) splits the beam (s) containing the sample information in two beams (r,o) and filters (r′, o′) them.
Lyncee Tec S.a.


Color fill in an augmented reality environment
A method for operation a head-mounted computing device that includes capturing an image of a three-dimensional environment external to the head-mounted computing device and identifying a surface within the captured image that is eligible for color fill operation, based on similarities in color parameters of contiguous pixels in the captured image. The method further includes receiving a color fill request via user input at the head-mounted computing device, the request being for a predetermined color and performing a color fill operation on the identified surface in response to receiving the color fill request by (a) generating a fill hologram having the predetermined color and a shape that conforms to the shape of the identified surface, (b) displaying the fill hologram in a world-locked manner so as to overlay the identified surface as viewed through the see-through holographic display of the head-mounted display device..

Virtual place-located anchor
A method is disclosed that may include, in a creating phase: receiving an instruction to generate a virtual place-located anchor at a virtual location that is world-locked; receiving data items from a target data source; linking a subset of the data items to the virtual place-located anchor; and receiving a permission from a first user specifying a condition under which a second user may view one or more holograms of the subset of data items. In a viewing phase, first display data may be transmitted to cause a first display device to display the holograms to the first user at the virtual place-located anchor; and if the condition is satisfied, second display data may be transmitted to cause a second display device to display the holograms to the second user at the virtual place-located anchor..

Augmented reality for architectural interior placement
The invention is a method for utilizing an augmented reality headset with user generated 3d object holograms or third party vendor generated 3d model holograms to be placed or superimposed, upon a real world environment. The purpose is for interior design object placement and planning..

Hologram data generating method, hologram image reproduction method, and hologram image reproduction device
hologram data is generated by dividing hologram data generation area, in which hologram data is generated, into a plurality of element sub-areas, computing base hologram data that pertains to an area smaller than the hologram data generation area and that is to form an optical wavefront of an image to be reconstructed, and assigning, as hologram data of the element sub-areas4, hologram data of an entirety or a part of the area to which the base hologram data pertains. Consequently, the amount of operations for generating a hologram pattern in holographic display is reduced..
Olympus Corporation


Method and device for verifying diffractive elements
The invention relates to a method for authenticating a diffractive element, e.g., a hologram, on an object or document (2), wherein at least two images of the diffractive element are recorded by means of a portable device (1). The recordings are taken in different spatial orientations of the portable device in relation to the diffractive element.
U-nica Technology Ag


Image recognition using holograms of spectral characteristics thereof

The present invention generally extends to methods, systems, and devices that advantageously employ holograms to store and retrieve information about objects, and to compare objects.. .

Holographic interface for manipulation

The holographic interface for manipulation includes a holographic display unit for constructing and displaying a hologram and a motion detector for detecting movement and location of a physical command object, such as a user's finger or hand, relative to the displayed hologram. The motion detector is in communication with a controller for converting the detected location of the physical command object relative to its position with respect to the displayed hologram into a command signal.

Adjusted location hologram display

A method for displaying holograms may include displaying an initial hologram via a display device comprising an at least partially see-through display, the initial hologram located on a virtual surface at an initial virtual location. Subsequently, an instruction is received to display a subsequent hologram on the virtual surface at a subsequent virtual location.

Holograms using birefringent lenses

Techniques to improve image quality in holography utilizing lenses made from materials with non-quantized anisotropic electromagnetic properties, such as birefringent materials, to advantageously split an incoming beam of light into two coincident beams with different focal lengths that interfere with one another and thus create holograms free of electro-optical or pixelated devices are disclosed. Corresponding systems, methods and apparatuses are described..

Coating compositions for security elements and holograms

The present invention relates to the use of coating compositions, comprising shaped transition metal, especially silver, particles and a binder, wherein the ratio of pigment to binder is preferably such that the resulting coating shows an angle dependent colour change, for the production of security elements and holograms. When the coating compositions of the present invention are used in coating a hologram the obtained products show a an angle dependent colour change (flip/flop effect), different colours in reflection and transmission, an extremely bright ovd image and extremely strong rainbow effect, high purity and contrast..
Basf Se

Motion based view matrix tuning

Various embodiments relating to using motion based view matrix tuning to calibrate a head-mounted display device are disclosed. In one embodiment, the holograms are rendered with different view matrices, each view matrix corresponding to a different inter-pupillary distance.

Illumination device, projection apparatus and projection-type image display apparatus

An illumination device has an optical device and an irradiation unit. The irradiation unit has a light source emitting a coherent light beam, and a scanning device capable of adjusting a reflection angle of the coherent light beam emitted from the light source.
Dai Nippon Printing Co., Ltd.

Alignment based view matrix tuning

A head-mounted display device is disclosed, which includes an at least partially see-through display, a processor configured to detect a physical feature, generate an alignment hologram based on the physical feature, determine a view of the alignment hologram based on a default view matrix for a first eye of a user of the head-mounted display device, display the view of the alignment hologram to the first eye of the user on the at least partially see-through display, output an instruction to the user to enter an adjustment input to visually align the alignment hologram with the physical feature, determine a calibrated view matrix based on the default view matrix and the adjustment input, and adjust a view matrix setting of the head-mounted display device based on the calibrated view matrix.. .

Optical information device and optical information processing method

An optical information device and an optical information processing method which can perform high-speed and accurate positioning are provided. An optical information device which reproduces information from and/or records information on an optical information recording medium on which interference patterns between signal light and reference light are recorded as a hologram includes: an optical system which emits an optical beam; an aperture unit which passes at least a portion of reproduced light acquired when the optical beam from the optical system is radiated onto the optical information recording medium; a first detection unit which detects at least a portion of the reproduced light; a second detection unit which detects the position of the aperture unit; and a control unit which, based on a first signal acquired from the first detection unit and a second signal acquired from the second detection unit, controls the position of the aperture unit..
Hitachi Consumer Electronics Co., Ltd.

System for producing ultra-thin color phase hologram with metasurfaces

A device for producing a subwavelength hologram. The device comprises a metasurface layer attached to a substrate.
Purdue Research Foundation

Image display device and image display medium

An image display device includes image cells arranged two-dimensionally. Each image cell has a hologram layer.
Toppan Printing Co., Ltd.

Illumination apparatus using a 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).
Dai Nippon Printing Co., Ltd.

Systems, devices, and methods for angle- and wavelength-multiplexed holographic optical elements

Systems, devices, and methods for combined angle- and wavelength multiplexing in holographic optical elements (“hoe”) are described. An angle- and wavelength-multiplexed hoe includes multiple angle-multiplexed sets of wavelength-multiplexed holograms.
Thalmic Labs Inc.

Holographic display apparatus and holographic display providing enhanced image quality

A holographic display apparatus includes: a light source configured to emit light; a spatial light modulator configured to sequentially generate hologram patterns for modulating the light and to sequentially reproduce frames of hologram images based on the hologram patterns; and a controller configured to provide hologram data signals to the spatial light modulator, the hologram data signals being used to sequentially generate the hologram patterns. The controller is configured to further provide, to the spatial light modulator, diffraction pattern data signals for forming periodic diffraction patterns for adjusting locations of the hologram images to be reproduced on a hologram image plane, the diffraction pattern data signals being configured to move the periodic diffraction patterns on the spatial light modulator along a predetermined direction for each of the frames..
Samsung Electronics Co., Ltd.

Apparatus and recording fresnel holograms

An apparatus for producing a hologram of an object includes a light source that emits an incoherent electromagnetic wave toward the object, and a masking device configured to display a mask, receive the incoherent electromagnetic wave emitted toward the object, mask the received incoherent electromagnetic wave according to the displayed mask, and produce a masked electromagnetic wave. The apparatus also includes an image recording device configured to capture an image of the masked electromagnetic wave, and a processing device configured to convert the image of the masked electromagnetic wave into the hologram of the object.
Celloptic, Inc.

System, ultra-resolved ultra-wide field-of-view multispectral and hyperspectral holographic microscopy

There is disclosed a novel system and method for achieving ultra-resolution, ultra-wide field-of-view multispectral and hyperspectral holographic microscopy and quantitative phase contrast microscopy. In an embodiment, the method comprises: providing a stationary illumination source; acquiring a plurality of low-resolution holograms of an image subject from different locations utilizing a subpixel sensor-scanning synthetic aperture mechanism whereby a detector scanning translationally, radially and/or rotationally; processing the acquired holograms utilizing a processing algorithm corresponding to the scanning motion of the detector used to acquire the holograms; and reconstructing a subpixel ultra-resolution image of the image subject based on the processed holograms; whereby, a desired synthetic aperture is achieved without loss of resolution.

Image processing method

Calculating a sum of the plurality of spectra to obtain the synthetic spectrum; multiplying the synthetic spectrum by a weight function associated with the spectrum space to obtain a normalized synthetic spectrum, each function value of the weight function corresponding to a respective position in the spectrum space and being associated with distribution of the plurality of spectra in the spectrum space; and performing the inverse fourier transform operation on the normalized synthetic spectrum to result in a normalized synthetic hologram.. .

Beam divergence and various collimators for holographic or stereoscopic displays

A holographic display with an illumination device, an enlarging unit and a light modulator. The illumination device includes at least one light source and a light collimation unit, the light collimation unit collimates the light of the at least one light source and generates a light wave field of the light that is emitted by the light source with a specifiable angular spectrum of plane waves, the enlarging unit is disposed downstream of the light collimation unit, seen in the direction of light propagation, where the enlarging unit includes a transmissive volume hologram realising an anamorphic broadening of the light wave field due to a transmissive interaction of the light wave field with the volume hologram, and the light modulator is disposed upstream or downstream of the anamorphic enlarging unit, seen in the direction of light propagation..
Seereal Technologies S.a.

Method for manufacturing diffractive optic element and image display device

A method for manufacturing a diffractive optic element by exposing hologram recording material includes exposure processing that divides a coherent beam radiated from one beam source into an object beam and a reference beam, and irradiates the hologram recording material with an exposure beam by interfering the object beam with the reference beam. In the exposure processing, an optic element, which adjusts beam intensity distribution of the exposure beam with which the hologram recording material is irradiated, is arranged in a path of one or both of the object beam and the reference beam..
Seiko Epson Corporation

Display device, in particular a head-mounted display, based on temporal and spatial multiplexing of hologram tiles

The invention relates to a display device, in particular a head-mounted display or hocular, having a spatial light modulator and a controllable light-deflecting device for generating a multiple image of the spatial light modulator, which consists of segments, the multiple image being produced at least with a predefinable number of segments which determines the size of a visible area within which a 3d-scene holographically encoded in the spatial light modulator can be reconstructed for observation by an eye of an observer.. .
Seereal Technologies S.a.

Optical information reproduction device and optical information reproduction method

Provided are an optical information reproduction device and a method therefor with which the influence of reference light reflected from the surface of a disk can be reduced, thereby enabling data to be reproduced in a stable manner in an optical information reproduction device that uses holography. The information reproduction device, which reproduces from a recording medium information that has been recorded on the recording medium by the formation of a hologram, is equipped with: a light output unit that emits laser light; an optical system that generates reference light from the laser light emitted from the light output unit; an objective lens that reproduction signal light reproduced by the reference light with which the recording medium has been irradiated enters; a light detector that receives the reproduction signal light propagated by the objective lens; a medium-reflected light reduction unit that reduces the amount of medium-reflected light (generated when the recording medium reflects the reference light) with which the light detector is irradiated; and a control unit that controls the operation of the information reproduction device..
Hitachi Consumer Electronics Co., Ltd.

Hologram recording and playback device and playback position deviation detection method

A hologram recording and playback device and a playback position deviation detection method to detect the relative position deviation between the hologram and reference light during playback with high sensitivity. The hologram recording and playback device records as a servo page, signal light added with two-dimensional pattern data having a cycle induced by the spatial modulator in a least a portion of the data.
Hitachi-lg Data Storage, Inc.

Hologram for alignment

An example hologram device may include a target holographic view of an encoded holographic image representing an alignment target; and a plurality of non-target holographic views of the encoded holographic image, each non-target holographic view indicating a position relative to the target holographic view.. .
Hewlett-packard Development Company, L.p.

System and a quantitative sample imaging using off-axis interferometry with extended field of view or faster frame rate

The present invention provides a sample inspection and quantitative imaging system and method for performing off-axis interferometric imaging while enabling to record off-axis holograms in an extended field of view (fov) than possible using a given camera and imaging setup, and thus to enlarge (e.g. Double, triple, or even more than this) the interferometric fov, without changing the imaging parameters, such as the magnification and the resolution..
Ramot At Tel-aviv University Ltd.

Holographic picking picking products utilizing a holographic picking system

A holographic picking system directs a person wearing a visor capable of projecting holographic images through the process of finding items within a storage facility and placing them in a bin, cart, or pallet that is used to transport the items within the storage facility. The system uses holograms to display where the person should move, where the picking location is, how many items to pick, and the precise position where the items picked should be placed on the bin, cart, or pallet.
Real Picking, Llc

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.

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

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.

Advanced 4-dimensional signal and device testing using circuit-state recognition

The fast fourier transform describes functions into different dimensions or coordinates such as cartesian to spherical. For example, a function could be represented in the domains of time and frequency.
Attofemto, Inc.

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.

Recording holographic data on reflective surfaces

Lighting information comprising at least the reflectance data of a plurality of regions of an object surface is generated and printed out as a series of relightable holograms. Each of the printed holograms comprises the reflectance data of a corresponding region of the object.
Otoy, Inc.

Applying holographic effects to prints

Lighting information comprising at least the reflectance data of a plurality of regions of an object surface is generated and printed out as a series of relightable holograms. Each of the printed holograms comprises the reflectance data of a corresponding region of the object.
Otoy, Inc.

Relightable holograms

Lighting information comprising at least the reflectance data of a plurality of regions of an object surface is generated and printed out as a series of relightable holograms. Each of the printed holograms comprises the reflectance data of a corresponding region of the object.
Otoy, Inc.

Light diffraction layer laminated sheet and producing card

Provided are: a light diffraction layer laminated sheet which enables easy production of a card that has a light analysis structure; and a card. A light diffraction layer laminated sheet material (20a) which forms a part of a laminated structure of a card (1) by being laminated on top of a card base material (10).
Dai Nippon Printing Co., Ltd.

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.

Sensor with high-sensitivity optical fiber

An optical fiber sensor for locating an excitation in proximity to an optical fiber assembly comprises: a laser assembly configured to emit n laser beams indexed i with n>1, of respective emission wavelength λi, an optical fiber assembly comprising n successive sections indexed i, an optical system configured to: inject the laser beams, receive n signal beams indexed i respectively of wavelengths λi, generate n reference beams indexed i respectively of wavelengths λi, produce n interference areas indexed i, a holographic detector comprising: a liquid crystal light valve that it at least partially covers the interference areas, and is configured to produce n holograms indexed i from, respectively, n interference areas, at least one optical detector configured to detect n output optical signals indexed i, a processing unit adapted to identify the section of the fiber assembly situated in proximity to the excitation to be located.. .
Centre National De La Recherche Scientifique

Holographic high power illumination distribution system

An illumination distribution system for distributing high power illumination to a set of projectors. The system includes a display element, such as a spatial light modulator (slm), receiving light from a laser.
Disney Enterprises, Inc.

Laminated body having hologram

A card 1 includes: a card substrate 10; a transparent hologram layer 20 on a part of the substrate 10; and a surface layer 30 comprising a print layer 40 on the substrate 10 and the layer 20, is formed by a transparent material, and is printed with a color similar to the upper surface of the substrate 10. When a card surface 1a is viewed from the normal line, the layer 40 has the same color shading compared to the upper surface of the substrate 10, at the edge portion 22 of the layer 20.
Dai Nippon Printing Co., Ltd.

Hologram recording and reproducing apparatus

A disk conveyance mechanism for a hologram recording and reproducing apparatus includes a first conveyance mechanism for conveying a disk medium 2 to a position where a spindle motor 4 is situated with the disk medium 2 loaded onto a tray 6, a second conveyance mechanism in which the spindle motor 4 is held and moved in the rotational axis direction of the spindle motor 4 to take out the disk medium 2 from the tray 6 and load the disk medium 2 onto spindle motor 4, a third conveyance mechanism for conveying the disk medium 2 to the position where recording and reproducing are performed by the pickup 1 with the disk medium 2 loaded onto the spindle motor 4. The first and third conveyance mechanisms convey the disk medium 2 in a direction substantially parallel to the surface of the medium..
Hitachi-lg Data Storage, Inc.

Illumination device, projection apparatus and projection-type image display apparatus

An optical device including a hologram recording medium that can reproduce an image of a reference member and an irradiation unit that emits a coherent light beam to the optical device. The irradiation unit includes a light source for emitting a coherent light beam and a scanning device capable of adjusting a reflection angle of the coherent light beam emitted from the light source and that makes a reflected coherent light beam scan the hologram recording medium.
Dai Nippon Printing Co., Ltd.

Projector provided with hologram screen

The purpose of the present invention is to project a hologram screen to one of a variety of projectors by adjusting the hologram screen to an image size of the one of the variety of projectors so as to approximately correspond to each other so that the hologram screen is formed in front of the one of the variety of projectors, and a hologram projector is separately turned on or off for general use.. .

Projection type image display apparatus

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).
Dai Nippon Printing Co., Ltd.

User-based context sensitive hologram reaction

A system and method are disclosed for displaying virtual content. When a user is settled in a given geographic area, a full version of the content may be displayed at user-defined or processor-defined location.



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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    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.


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