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7616362 |
Hologram recording and reproducing apparatus
A hologram recording and reproducing apparatus includes a movable galvanomirror, a mirror controller and a reproduction unit. The galvanomirror guides a reference beam toward a hologram recording...
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7601957 |
Electron microscope and combined illumination lens
An object of the present invention is to provide an electron microscope that employs a hologram of a diffraction pattern to reconstruct a microscopic image involving no imaging aberration due to...
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7597457 |
Lighting apparatus
A lighting apparatus is provided. The lighting apparatus includes a power supply housing section, a circuit board housing section, a light source housing section, a cutout portion, and a light...
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7596463 |
Method and storage medium for calibrating a holographic storage system
The present invention relates to a method for calibrating a holographic storage system, and to an apparatus for reading from and/or writing to holographic storage media and a holographic storage...
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7590239 |
Object identifying medium using multi-layer thin-film
A discrimination medium for objects by which counterfeiting can be prevented, authenticity of the article can be easily and reliably determined, and the production cost can be reduced is provided....
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7565003 |
Image processing apparatus and method, printed matter production apparatus and method, and printed matter production system
A method capable of converting motion image data, which is captured in an ordinary way without intending to produce parallax image printed matter, to data that can be printed as parallax image...
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7551750 |
Holographic digital watermark
A digital watermark which is incorporated, perceptibly or imperceptibly, into a diffractive device such as a hologram. When applied to protect and/or authenticate a document of value or a product,...
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7519248 |
Transmission gratings designed by computed interference between simulated optical signals and fabricated by reduction lithography
A method comprises computing an interference pattern between a simulated design input optical signal and a simulated design output optical signal, and computationally deriving an arrangement of at...
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7480085 |
Operational mode performance of a holographic memory system
Aspects of the present invention are generally directed to a holographic system. Generally, aspects of the present invention are directed to allocating power of a light beam generated by a coherent...
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7477577 |
Closed-loop system for mastering, certification and production of compact discs
Disclosed is a process of manufacturing electronic media that ensures that all files on the media are functional duplicates of the master copy of the media and provides CD-ROM software with low...
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7471429 |
Vibration detection apparatus, hologram apparatus, vibration detection method for the vibration detection apparatus, and recording method for the hologram apparatus
A hologram apparatus comprises a vibration detection beam generation unit to apply a vibration detection beam, incoherent to the data and reference beams and to detect the presence/absence of...
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7455412 |
Mirror having a portion in the form of an information provider
In a mirror with a non-reflective portion provided within its reflective mirror surface as an information provider the portion is transparent and is backed by a display. The display has a moving...
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7447312 |
Method and apparatus for secure ultrafast communication
The present invention describes an ultrafast secure data communication system that can link remote users to an encrypted database with holographic-stored data and a high security and ultrafast...
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7443553 |
Holographic sensors and their production
An array of discrete sensors disposed on a substrate, each sensor comprising a holographic support medium and a hologram disposed throughout the volume of the medium, whereby interaction with an...
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7437533 |
Quantum information processing device and method
Quantum information processing device includes resonator incorporating material containing physical systems, each of physical systems having at least four energy states, transition between two...
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7436537 |
Distributed system for producing holographic stereograms on-demand from various types of source material
A distributed system for producing holographic stereograms (holograms). A data acquisition station is typically remote from image processing, printing, and replicating stations. The data...
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7426042 |
Image forming system and maintenance execution program
There is provided an image forming system that are capable of preventing a user or operator from forgetting to carry out a maintenance operation based on required sub-maintenance items after...
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7424185 |
Stretching and compression of laser pulses by means of high efficiency volume diffractive gratings with variable periods in photo-thermo-refractive glass
High efficiency reflective volume Bragg gratings with chirped gratings recorded in photo-thermo-refractive glass having an absolute diffraction efficiency exceeding 95% in transmitting and...
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7413223 |
Hologram inspection device
An inspection device in accordance with the present invention is configured so that a light source used for irradiating light, and a reflection-type prism that irradiates the light from the light...
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7391911 |
Method and apparatus for compressing holographic data
An apparatus for compressing holographic data includes an image capture device for capturing an image of an interference pattern reconstructed by irradiating a reference beam and converting the...
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7388694 |
Method, program and system for image drawing
Laser information is prepared which indicates the irradiation interval and intensity level to be irradiated on an optical disc in advance. Then, when image drawing is indicated together with the...
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7362523 |
Method for producing holographic recording medium
A method for producing a holographic recording medium having a holographic recording layer between a first substrate and a second substrate including the steps of: providing a holographic recording...
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7339710 |
Holographic recording medium, holographic reading system, and data reading method from the holographic recording medium
A holographic disc recording medium records a hologram over the entire holographic disc recording medium by using a conical reference beam for recording. A hologram recorded image includes recorded...
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7307767 |
Methods for calculating multilayer holograms, method for producing multilayer holograms and storage medium comprising a multilayer hologram
A method for the calculation and storage of a computer-generated multilayer hologram with more than or equal to 2 holograms includes the following steps. Field A O of a readout beam and field A R ...
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7304775 |
Actively stabilized, single input beam, interference lithography system and method
An interference lithography system is described that is capable of exposing high resolution patterns in photosensitive media and employing yield increasing active stabilization techniques needed in...
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7298534 |
Off-axis holographic light concentrator and method of use thereof
A light receiving apparatus comprises a holographic optical device having a plurality of holograms recorded in a light receiving surface thereof. The holographic optical device is configured to...
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7298532 |
Single beam write and/or replay of spatial heterodyne holograms
A method of writing a spatially heterodyne hologram having spatially heterodyne fringes includes: passing a single write beam through a spatial light modulator that digitally modulates said single...
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7290803 |
Reflective article and method of manufacturing same
A reflective printed article includes a substrate having a top surface and a bottom surface with a graphic image printed thereon. A reflective or glossy ink layer is printed over the entire top...
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7286291 |
Show-through security packaging system for digital media
A system of visual authentication of digital media. A visual means is provided at the point of purchase for a user to verify that the source of software is genuine. An authentication image is...
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7286197 |
Liquid crystal display having high brightness and enhanced viewing angle
A liquid crystal display (LCD) realizes a high brightness by using cholesteric liquid crystal (CLC) in a color filter and a polarizer, and improves viewing angles by using a hologram diffuser. The...
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7259897 |
System, method and apparatus for direct imaging in ultrasonic holography
An acoustical holographic imaging method and apparatus for introducing a reference wave into a hologram surface such that the reference wave does not interfere with an object placed adjacent to or...
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7251077 |
Diffuse reflector and method
A diffuse reflector comprises a substrate ( 20 ) having an asymmetric, reflective, periodic surface relief microstructure formed such that, under illumination by a multiplicity of wavelengths in a...
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7230746 |
3D display
A method of generating a Computer Generated Hologram (CGH) using the diffraction specific algorithm allows a curved wavefront to be produced from a single hogel, rather than the planar waves of the...
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7227530 |
Assembly of independent mouse or track ball device using keyboard as an operational relay with keyboard
An independent mouse or trackball device assembly uses a keyboard as an operational relay providing for the wired or wireless coupling of the mouse or trackball device to the keyboard assembly.
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7209270 |
Method and apparatus for phase correlation holographic drive
A holographic storage apparatus for recording data in a holographic medium includes at least one light source for generating a reference beam and a signal beam. The reference beam is preferably a...
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7197160 |
Geographic information systems using digital watermarks
The present invention relates to systems and methods for managing images and related information. In one implementation, geographic information system (GIS) layer information is registered or...
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7151623 |
Holographic data-storage medium
In an example holographic data storage medium, which has a polymer film which serves as a storage layer and can be changed locally by heating, the polymer film is set up as a top layer of the data...
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7149014 |
Holographic memory using beam steering
A method, apparatus, and system provide the ability for storing holograms at high speed. A single laser diode emits a collimated laser beam to both write to and read from a photorefractice crystal....
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7148468 |
Mirror angle measurement and servo control apparatus for holographic digital data storage system
A mirror angle measurement and a servo control apparatus for a Holographic Digital Data Storage (HDDS) system is disclosed. The mirror angle measurement apparatus includes a first mirror having a...
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7142336 |
Recording medium and hologram reader
A recording medium including a storage part to hold a medium identifier intrinsic to each recording medium, and a hologram generated using a reference beam modulated with the medium identifier....
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7136206 |
Method and apparatus for implementing a multi-channel tunable filter
The present invention provides a multi-channel tunable filter and methods for making such a filter. In one embodiment, the filter comprises a bank of gratings imprinted into a filter material, such...
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7126730 |
Electro-holographic lens
An electro-holographic lens device comprising: an active layer made from a transparent photo-refractive material, whose refractive index may be locally modified by locally applying an electric...
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7112359 |
Method and apparatus for multilayer optical articles
The present invention provides a method and apparatus for a multilayer optical articles. A method comprises forming a first multilayer article with a first substrate and a second substrate with a...
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7102803 |
Apparatus and method of using a thermal design for wavelength division multiplexed holographic filters
A temperature compensated apparatus for filtering light is comprised of a holographically recorded grating defined in a photosensitive layer for providing optical filtration for light incident on...
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7094502 |
Methods for transferring holographic images into metal surfaces
A method for impressing holographic images or holograms in the surface of metal objects such as aluminum cans, sheet metal or metal foil. The surfaces of metal shims and print rolls bearing...
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7072538 |
Planar reconfigurable optical add/drop module
A reconfigurable optical add/drop module (ROADM) for dynamically adding or dropping various wavelengths of an optical signal without having to physically replace the module with a...
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7072114 |
Optical pickup using an optical phase plate and which is compatible with optical recording media of different types
An optical pickup apparatus having laser light sources emit a first light beam having a relatively shorter wavelength for a DVD and a second light beam having a longer wavelength for a CD-R, an...
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7048689 |
Ultrasonic receiving apparatus and ultrasonic receiving method
To reduce the cost while maintaining the real time environment in receiving ultrasonic waves in an ultrasonic receiving apparatus which is capable of reducing changes in detection sensitivity due...
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7034970 |
Optical recording medium and method for producing such an optical recording medium
The present invention relates to a method for producing an optical recording medium. In the method, on the surface of a recording layer formed by spin-coating a first coating solution containing a...
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7023592 |
Band-pass filter and image display apparatus
A band-pass filter has a reflecting optical element having a fixed reflection angle selection region for wavelengths of a given region, and has an optical path such that reflection is performed at...
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