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Hologram

Hologram-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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NEW Optical information recording/reproducing apparatus, optical information recording/reproducing method
June 22, 2017 - N°20170176931

An optical information recording/reproducing apparatus and method thereof which compensate for the effect of mechanical instability on holographic data storage. A time dependent deviation profile of an optical beam during recording is determined. The time dependent deviation profile is related to a phase profile to be applied to a reference beam during recording or reproduction of a hologram, and ...
NEW Method and apparatus for generating binary hologram
Electronics And Telecommunications Research Institute
June 22, 2017 - N°20170176930

Provided is a method and apparatus for generating a binary hologram. More particularly, provided is a method and apparatus that may decrease or, alternatively, minimize quality degradation of a binary hologram by employing a silhouette mask of a target object to reduce or, alternatively, minimize background noise occurring around the target object to be reproduced when generating the binary hologram.
Systems and methods for image reconstruction
The Regents Of The University Of California
June 15, 2017 - N°20170168285

A method for obtaining a high resolution image of objects contained within a sample is disclosed that combines pixel super-resolution and phase retrieval techniques into a unified algorithmic framework that enables new holographic image reconstruction methods with significantly improved data efficiency, i. E., using much less number of raw measurements to obtain high-resolution and wide-field reconstructions of the sample. Using ...
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Hologram Patent Applications
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  • 108+ full patent PDF documents of Hologram-related inventions.
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Volume hologram sheet to be embedded, forgery prevention paper, and card
Dai Nippon Printing Co., Ltd.
June 08, 2017 - N°20170157971

An object of the present invention is to provide a thin volume hologram sheet to be embedded sufficiently resistant to a mechanical stress such as a stress including a tensile stress, a shear stress and a compression stress at the time of processing even under a heating condition, a forgery prevention paper and a card using the same. The object ...
Method for encoding a hologram in a light modulation device
Seereal Technologies S.a.
June 01, 2017 - N°20170153601

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. A complex ...
Analytic method for computing video holograms in real time
Seereal Technologies S.a.
June 01, 2017 - N°20170153600

A holographic display device for computing a video hologram of a scene is disclosed. The scene comprises a multitude of object points. The holographic display device comprises at least one light modulator means. Said holographic display device is configured to perform the steps of (a) defining a visibility region within a periodicity interval of the video hologram of the scene ...
Hologram Patent Pack
Download 108+ patent application PDFs
Hologram Patent Applications
Download 108+ Hologram-related PDFs
For professional research & prior art discovery
inventor
  • 108+ full patent PDF documents of Hologram-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Apparatus and method for measuring quality of holographic image
Seereal Technologies S.a.
May 25, 2017 - N°20170148151

Provided is an apparatus for measuring a quality of a holographic image. The apparatus includes: a hologram image reconstruction unit configured to perform a hologram image; a superimposed focus image generation unit configured to collect an area that is in focus from reconstructed images and superimpose into a single image; and a hologram image quality measurement unit configured to perform ...
Spatial light modulator and method for displaying computer generated hologram using the same
Seereal Technologies S.a.
May 25, 2017 - N°20170146953

A spatial light modulator and a method for displaying a computer generated hologram are disclosed. The spatial light modulator includes a plurality of mems units arranged in an array, each of the mems units corresponds to a pixel of a computer generated hologram and includes a sensing device, a light shielding portion and a driving device. The sensing device is ...
Identification system
Seereal Technologies S.a.
May 18, 2017 - N°20170140182

A technical problem to be solved by the present disclosure is to provide an identification system which utilizes an identification tag that stores multiple authentication factors identifies, through a camera or video image, an identification object, and accomplishes higher level identification accuracy and security in comparison with those of conventional technologies. Encrypted display information is generated using a unique factor ...
System and method for authenticating a mobile device
Seereal Technologies S.a.
May 18, 2017 - N°20170140144

In a mobile device including an image capturing device having an imaging element (ccd), and an illumination element, capturing an image of a hologram and sending the image of the hologram to a server for authenticating the image and authorizing a transaction.
Display device and driving method thereof
Lg Electronics Inc.
May 18, 2017 - N°20170139375

A display device is disclosed. The display device comprises: a flat display means; a hologram generation means; and a controller for acquiring a holographic image with respect to at least a portion of a planar image outputted through the flat display means, and outputting the acquired holographic image through the hologram generation means.
Projection system for a projector and/or a vehicle light--.
Robert Bosch Gmbh
May 18, 2017 - N°20170139096

A projection system for a projector and/or a vehicle light, comprising a light-scattering and/or conversion device and having a scanning device with which a light impingement region of the projected light is shiftable on the light-scattering and/or conversion device; the light-scattering and/or conversion device being configured for conversion and/or for physical scattering of the light ...
Image observation apparatus
Canon Kabushiki Kaisha
May 11, 2017 - N°20170131681

The image observation apparatus introduces an object light, which is at least part of an object illumination light emitted from a light source and projected onto an object and which is reflected by the object, through a first optical waveguide to an image sensor, introduces a reference light, which is emitted from the light source and passes through an optical ...
Hologram Patent Pack
Download 108+ patent application PDFs
Hologram Patent Applications
Download 108+ Hologram-related PDFs
For professional research & prior art discovery
inventor
  • 108+ full patent PDF documents of Hologram-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Holographic recording composition
Dublin Institute Of Technology
May 04, 2017 - N°20170123374

A pressure sensitive holographic recording composition is described wherein the composition comprises diacetone acrylamide, glycerol and citric acid. The composition is capable of recording high diffraction efficiency reflection holograms.
See-through holographic display apparatus
Samsung Electronics Co., Ltd.
May 04, 2017 - N°20170123204

A see-through holographic display apparatus includes a relay optical system expanding or reducing and transferring a hologram image generated by a spatial light modulator, a noise removal filter removing noise from diffraction light of the hologram image transferred through the relay optical system, and a light path converter changing at least one of a path of the diffraction light of ...
Sharing method and sharing device
Beijing Zhigu Rui Tuo Tech Co., Ltd.
April 27, 2017 - N°20170115626

Embodiments of the present application disclose a sharing method and a sharing device. The method comprises: determining at least one piece of first information associated with a field of view of at least one user; and determining a transmission policy of at least one hologram of the at least one user at least according to the at least one piece ...
Holographic display
Microsoft Technology Licensing, Llc
April 27, 2017 - N°20170115487

A display device includes an optical sensor configured to image a user eye, an image source configured to provide image light, a holographic film including a plurality of holograms, and a controller. Each hologram is recorded with a same reference beam but recorded differently so as to differently diffract image light received from the light source. The controller is configured ...
Image display and labeled device
Toppan Printing Co., Ltd.
April 13, 2017 - N°20170100956

An image display according to an embodiment includes a first image-displaying portion that displays first information about a certain object as a first image of object color, and a second image-displaying portion that displays second information about the object as a second image of structural color provided by a relief structure, the relief structure including at least one structure selected ...
Image recording device
Fuji Xerox Co., Ltd.
March 30, 2017 - N°20170090421

An image recording device includes a laser beam source that emits a laser beam, a splitting unit that splits the laser beam emitted from the laser beam source into two laser beams, a display device that displays images over a display area thereof divided into segments, a display controller that controls display of the display device so that images for ...
Viewer tracking in a projection system
Real View Imaging Ltd.
March 30, 2017 - N°20170090420

A method for displaying a hologram to a variable direction including using circuitry to determine a direction from a holographic projector to a viewer for projecting a hologram to a viewer, and projecting a hologram in the determined direction, in which the projecting the hologram includes reflecting from a same mirror as the determining the direction of the viewer, and ...
Holographic encryption of multi-dimensional images and decryption of encrypted multi-dimensional images
City University Of Hong Kong
March 30, 2017 - N°20170090418

Cryptographic techniques for encrypting images, and decrypting and reconstructing images, are provided to facilitate preventing unauthorized access to images. A holographic cryptographic component (hcc) generates complex holograms of multi-dimensional source images of a multi-dimensional object scene. The hcc generates phase holograms, based on the complex holograms, using a stochastic hologram generation process, and encrypts the phase holograms to generate encrypted ...
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