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7333252 Method of writing a composite 1-step hologram  
A method of writing a single or double parallax composite 1-step hologram is disclosed. Digital data is acquired from a real or virtual object and is described by a luminous intensity tensor. A...
7310173 Hologram recording method, hologram recording reproduction method, hologram recording device, hologram recording/reproduction device and hologram reproduction device  
In the hologram recording and hologram-record reproduction using a one-dimensional optical modulator, the one-dimensional optical modulator where a plurality of light-modulating pixels are arranged...
7274497 Holographic recording medium, method for adding address information to same, and method of addressing  
Provided are a holographic recording medium, a method for adding address information to the holographic recording medium, and a method for addressing that can identify two-dimensional information...
7262892 Hologram reconstruction method and device  
There is provided a hologram reconstruction method including: onto an optical recording medium in which a hologram is recorded by simultaneously irradiating the Fourier transformed signal beam...
7193756 Piezoelectric element, method for fabricating the same, inkjet head, method for fabricating the same, and inkjet recording apparatus  
A piezoelectric element includes a first electrode film; a piezoelectric layered film including a first piezoelectric thin film formed on the first electrode film and a second piezoelectric thin...
7088482 Holographic recording techniques using first and second portions of a spatial light modulator  
The invention is directed to holographic recording techniques that generate a data encoded object beam and a reference beam using a spatial light modulator of the holographic recording system. An...
7088481 Holographic recording techniques using reference zone of spatial light modulator  
The invention is directed to holographic recording techniques that generate a data encoded object beam and a reference beam using a spatial light modulator of the holographic recording system. An...
7085028 Hologram recording apparatus, hologram recording method, and hologram recording medium  
A hologram recording apparatus, a hologram recording method and a hologram recording medium reduce noise components generated by a phase modulation type spatial light modulator, thus permitting...
6956681 Integrated reading and writing of a hologram with a rotated reference beam polarization  
A method for monitoring diffraction while recording a hologram includes: generating a source beam; generating a data beam by projecting a first component of the source beam through a data source,...
6924942 Holographic storage lenses  
Disclosed are holographic storage systems and lenses for holographic storage systems. The lens units can be of a single-component design. The lenses can be used to both record to photorefractive...
6710901 Method and apparatus for two-photon, volumetric spatially resolved holographic data storage in photosensitive glass  
A method for the generation of volume spatially-resolved holographic data storage within a photosensitive glass sample that incurs changes of optical properties in response to two-photon...
6646773 Digital micro-mirror holographic projection  
The present invention relates to a method and apparatus for display of three-dimensional images and production of mega-channel phase-encoded optical communications. In certain embodiments, the...
6414763 Digital holographic camera system and method having removable media  
A digital electronic camera includes a holographic medium, an imaging array disposed at a focal plane for converting optical information to digital information; and an optical system configured to...
6330088 Method and apparatus for recording one-step, full-color, full-parallax, holographic stereograms  
The present invention concerns methods and devices for creating and printing variable size and variable resolution holographic stereograms and holographic optical elements using computer rendered...
6157473 Holographic storage system incorporated therein a parabolic mirror  
A holographic storage system implements both a rotational and an angular multiplexings in combination. The system comprises a light source, a pair of wedge prisms, a beam splitter, a first, a...
6072608 Compact architecture for holographic systems  
An architecture for holographic data storage and processing integrates multifunctional silicon-based optoelectronic devices, rewritable holographic material, optical devices and other...
6040930 Volume holographic storage using rotated signal beam encoder  
The data encoder (e.g. an amplitude spatial light modulator, ASLM) in a volume holographic storage system is rotated by 45° relative to the normal to the plane of the reference and signal beams,...
6023355 Coded-wavelength multiplex volume holography  
A method for coded-wavelength multiplexing according to which a signal waves S i (r) is recorded in a holographic medium in a counter-propagating geometry using corresponding writing reference...
6005693 Method for holographic storage  
The present invention is a method for optical data storage which compensates for deterministic variations. The method comprises writing a two-dimensional image comprising a plurality of pixels into...
5963347 Holographic neurochip  
The invention relates to an opto-electronic integrated circuit which is optically connected by holograms. An optimum arrangement for as high an integration density as possible of the light sources,...
5838469 Apparatus and method for processing data stored in page-wise memory  
Embodiments of the invention include a data receiving apparatus and method of a holographic or other page-wise memory system for processing information read from the memory system's storage medium....
5812288 Holographic storage of digital data  
Bit error rate in holographic storage/reconstruction is reduced by 2-dimensionally dispersing symbols constituting codewords so that no two codeword-common symbols occupy a single row or column on...
5703702 Holographic synthesis  
A tight packed array of amplitude controlled in-phase light emitters produces dynamic real holographic images. A partially reflecting mirror is applied to a planar array of amplitude controlled...
5696613 Method and apparatus for multiplexing data in different planes of incidence of a thin holographic storage media  
A holographic data storage system includes a laser (12) for generating both data and reference beams. The reference beam is deflected by an optic system such that the reference beam can be directed...
5638193 Method and apparatus for azimuthal multiplexing of holograms  
A holographic storage system and method are provided in which a light source (12) is used to generate a coherent light beam which is split into a reference beam (18) and an object beam (20). The...
5510912 Method and apparatus for modulation of multi-dimensional data in holographic storage  
A modulator apparatus for modulating arrays of input data V in to be stored in a holographic recording medium is disclosed wherein the final output data array V out has frequent transitions from...
5502581 Hologram manufacturing method and apparatus  
A hologram manufacturing apparatus and a hologram manufacturing method for manufacturing a hologram optical device by a split exposure method are disclosed. The manufacturing apparatus comprises...
5488494 Packaging system for holographic storage media  
A package for a holographic storage media (10) is provided that utilizes a slide tray (43) for containing a plurality of slides (102). Each of the slides (102) is comprised of an opaque casing...
5450218 Method for encoding and decoding digital data in holographic storage media  
A method for encoding and decoding digital data for storage in a holographic medium (12). Digital data, consisting of binary data (B i ) or grey scale data (A i ), is encoded in bit groups or digit...
5436740 Holographic stereogram  
A holographic stereogram which includes a plurality of element holograms and which reproduces a stereoscopic image by irradiation of coherent light, wherein each element hologram is loaded with a...
5400155 Hologram information forming method  
A hologram surface to express a phase distribution, a visual field in which a solid image can be seen; and a stereoscopic display limit are set in a virtual space. A target to be stereoscopically...
5361149 Optimized design method for holographic optical element and apparatus using such holographic optical element  
An optimized design method of a holographic optical element by calculating a correction coefficient so that an evaluating amount of a reconstructed light reconstructed by the holographic optical...
5305123 Light controlled spatial and angular electromagnetic wave modulator  
A 2D/3D optically controlled spatial and angular electromagnetic wave modulator is disclosed. The modulator of the present invention modulates the amplitude and direction of an electromagnetic wave...
5216528 Three-dimensional multiplex hologram  
The present invention provides a method and apparatus for producing a hologram from a series of two-dimensional images horizontally different in line of sight from each other. The holographic...
5138471 Holocomposer  
A method is disclosed for making holographic images by recording an array of pixels which together form a two or three dimensional composite image. Each pixel corresponds to a sampling of just...
5132813 Neural processor with holographic optical paths and nonlinear operating means  
An optical apparatus for simulating a highly interconnected neural network is disclosed as including a spatial light modulator (SLM), an inputting device, a laser, a detecting device, and a...
5121228 Holographic learning machine  
A holographic learning machine comprising a volume holographic recording medium, 2N photo-detectors receiving light diffracted from the medium, and N electrical circuits subtracting respective...
5119214 Method for forming a computer generated hologram  
New methods for producing computer generated holograms to be used for a liquid crystal spacial light modulator having a plurality of pixels, wherein the amplitude component of a coherent wave...
5117296 Apparatus and synthetic holography  
A novel technique for synthetic holography is disclosed. An image combiner such as a hologram comprising a number of independent off-axis holographic optical elements serves to image a set of...
4878717 Apparatus and method for rapidly constructing holograms  
An apparatus for constructing a hologram of one or more two-dimensional images by displaying the images on a variable-reflectance device. An object beam of coherent radiation is directed at the...
4318581 Optical holographic content-addressable memory system for truth table look-up processing  
A numerical optical processor which utilizes a holographic content-addressable memory is disclosed. The holographic memory stores relationships between various inputs and system outputs in the form...
4045115 Optics for multi-track holographic tape recorder  
Optics for a multi-track holographic tape recorder are disclosed. A multiplicity of one-dimensional page composers and passive optical means store the data in a multiple track format on a moving tape.
4040039 Single wall domain latrix for optical data processing system  
A light accessable transistor matrix (latrix) that utilizes an optical page composer having single wall domains, i.e., bubbles, in a layer of magnetizable material as the optical shutter or light...
4024513 Optical system for the storage of selectively erasable binary data arranged in the form of holographically recorded pages  
The present invention relates to optical systems for the storage in the form of elementary holograms, of pages of binary data, said elementary hologram being stored in a two-dimensional or...
4012108 Hologram memory apparatus  
A hologram memory apparatus in which the information is displayed as one-dimensional spatial pattern and recorded in a form of strip-shaped one-dimensional hologram having sharpness in counter...
3998521 Linear data input transducer  
A linear data input transducer for modulating an object beam from a laser which is subsequently projected along with a reference beam onto a storage medium to holographically record data...
3989347 Acousto-optical data input transducer with optical data storage and process for operation thereof  
The present invention is directed to the improvements in an apparatus for holographically recording data on a storage medium with the data being block-organized holographic data by spatially...
3976354 Holographic memory with moving memory medium  
In a holographic memory or a holographic recording system, one dimensional Fourier transform holograms are recorded on a moving memory medium. The one dimensional Fourier transform holograms have...
3964032 Optical system for storing information  
A wideband holographic information storage system records Fourier holograms on film in rapid succession, each hologram storing 128 bits of data. The hologram fringe pattern is held stationary by...
3961837 Magnetically actuated deflectable membrane page composer for holography  
The device comprises a flexible magnetic sheet reflective on one side, at least one magnetic circuit associated with at least one zone of the sheet for deforming the sheet by a modification of the...
Matches 1 - 50 out of 90 1 2 >