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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 8169676 | Holographic storage system with multiple reference beams An apparatus for reading from and/or writing to holographic storage media is described, and more specifically an apparatus for reading from and/or writing to holographic storage media with two or more reference beams that overlap inside the holographic storage mediu... | 05/01/2012 |
| 8130430 | Holographic storage device and method using phase conjugate optical system A monocular holographic storage device or system to provide for compact recording and/or reading of data pages in a holographic storage medium. Also provided are methods for carrying out such data storage and/or data recovery using a monocular holographic storage de... | 03/06/2012 |
| 8120826 | Optical information recorder (reflection holographic memory device) A holographic memory device is described which records and reproduces binary image data by irradiating a holographic recording medium with signal light and reference light. The holographic memory device includes a system for aligning polarization of the signal light... | 02/21/2012 |
| 8077366 | Holographic storage device having an adjustment mechanism for a reference beam A monocular holographic storage device or system to provide for compact recording and/or reading of data pages in a holographic storage medium. Also provided are methods for carrying out such data storage and/or data recovery using a monocular holographic storage de... | 12/13/2011 |
| 8068263 | Holographic storage system with reduced noise An apparatus for reading from and/or writing to transmission type holographic storage media is proposed, and more specifically a coaxial type apparatus for reading from and/or writing to transmission type holographic storage media with two or more reference beams, w... | 11/29/2011 |
| 8054519 | Wavelength-multiplex and space-multiplex holographic storage device The present invention discloses a wavelength-multiplex and space-multiplex holographic storage device, which comprises a storage medium, a plurality of signal light beams and at least one reference light beam. The signal light beams have different wavelengths and il... | 11/08/2011 |
| 8031383 | Common aperture holographic storage system with reduced noise An apparatus for reading from or writing to holographic storage media, and more specifically a common aperture type apparatus for reading from or writing to holographic storage media with multiple reference beams having a reduced noise. In a common aperture type app... | 10/04/2011 |
| 7995257 | Holographic storage medium, recording and/or reproducing apparatus, and recording and/or reproducing method A holographic storage medium includes a hologram including data recorded in a plurality of pages in a superimposed fashion by interference of a signal beam and a reference beam, and an additional page recorded between two adjacent pages in the plurality of pages, wh... | 08/09/2011 |
| 7903309 | Optical informational recording/reproduction device and method An optical information recording device, a reproduction device, and a method enabling include a first spatial light modulator I for generating information light by spatially modulating light from a light source 143 by a plurality of pixels and a second spatia... | 03/08/2011 |
| 7852538 | Hologram recording apparatus and hologram recording method At the time of varying the angle of a scan mirror for varying the angle of incidence of a reference beam on a hologram recording material, the angle of a slit is also varied in conjunction, whereby the beam diameter of the reference beam is varied by the slit so tha... | 12/14/2010 |
| 7835048 | Holographic storage system with multiple reference beams The present invention relates to a coaxial type apparatus for reading from and/or writing to holographic storage media with multiple reference beams. The invention further relates to a beam generator and a filter for use in such an apparatus. According to the invent... | 11/16/2010 |
| 7804631 | Holographic storage system with apodization filter The present invention relates to an apparatus for reading from and/or writing to holographic storage media, and more specifically to an apparatus for reading from and/or writing to holographic storage media having an apodization filter. According to the invention, a... | 09/28/2010 |
| 7755819 | Hologram recording device A hologram recorder (A2) includes: a light source (10) for emitting a coherent beam; a spatial light modulator (20) provided with unit areas having a plurality of beam reflection elements (21) to reflect the beam from the light source ( | 07/13/2010 |
| 7751105 | Hologram recording apparatus and hologram recording/reproducing method A hologram recorder applies a recording beam (S) and a reference beam (R) to the illumination site (p) of a hologram recording medium (B). The interference between the recording beam (S) and the reference beam (R) produces multiple hologram recording at the illumina... | 07/06/2010 |
| 7742209 | Monocular holographic data storage system architecture A monocular holographic storage device or system to provide for compact recording and/or reading of data pages in a holographic storage medium. Also provided are methods for carrying out such data storage and/or data recovery using a monocular holographic storage de... | 06/22/2010 |
| 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 medium and changes the incident angle of the reference beam. The mirro... | 11/10/2009 |
| 7489427 | Hologram recording device, hologram reproduction device, hologram recording method, and hologram reproducing method In recording of an interference fringe of a reference beam and a signal beam in a hologram recording medium, at the time of multiple recording of holograms in the same recording region by varying the angle of incidence of the reference beam on the hologram recording... | 02/10/2009 |
| 7483189 | Holographic memory medium, holographic memory device and holographic recording device Even when a tilt error is caused in a holographic memory in a direction perpendicular to a surface including optical axes of a signal beam and a reference beam, the signal beam and the reference beam are allowed to enter the holographic memory at adequate angles rel... | 01/27/2009 |
| 7477433 | Hologram recording method, optical recording medium, and hologram-recording device A hologram-recording method including recording a reflection-type volume hologram onto an optical recording medium by irradiating the optical recording medium with a modulated beam obtained by spatially modulating a laser beam and a diffused beam obtained by diffusi... | 01/13/2009 |
| 7423792 | Holographic printer A single method and apparatus for producing many of the most common types of hologram from digital data is disclosed. The data are generated entirely by a computer as a 3-D (animated) model or from multiple 2-D camera images taken of a real 3-D (moving) object or sc... | 09/09/2008 |
| 7394581 | Hologram recording apparatus and method A hologram recording apparatus includes a laser light source for emitting laser light, a light splitter for splitting the laser light emitted from the laser light source into a signal beam and a reference beam, a light modulator for modulating the signal beam split ... | 07/01/2008 |
| 7394139 | Optical modulator module package using flip-chip mounting technology Disclosed herein is an optical modulator module package using a flip-chip mounting technology, in which an optical modulator device is hermetically mounted using the flip-chip mounting technology. The optical modulator device is protected from an external environmen... | 07/01/2008 |
| 7382508 | Holographic recording medium and writing method therefor A holographic recording medium having a recording layer on which holograms are formed by interference between an object beam and a reference beam to thereby record information. The recording layer is formed with a plurality of hologram groups each composed of a plur... | 06/03/2008 |
| 7369286 | Hologram recording medium, and recording apparatus and reproducing apparatus for the same A hologram recording medium, and a recording apparatus and a reproducing apparatus for the same, by which scattered beam noise is minimized and recording capacity is increased using spatial separation and polarization separation in an optical system where a referenc... | 05/06/2008 |
| 7362930 | Reduction of MEMS mirror edge diffraction in a wavelength selective switch using servo-based rotation about multiple non-orthogonal axes Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by using rotation of the micromirror about both the ... | 04/22/2008 |
| 7362687 | Method and device for holographic recording A holographic recording method for recording information as phase information of light by projecting a signal beam and a reference beam onto a recording medium, wherein an X direction is defined as the direction of a line of intersection between a plane including th... | 04/22/2008 |
| 7355767 | Hologram recording method and hologram recording apparatus A hologram recording method includes generating a signal beam with data formed by superimposing pattern data, the pattern data representing a pattern in which a large number of plural kinds of pixels having different tone values are arranged in a two-dimensional man... | 04/08/2008 |
| 7352927 | Optical add-drop multiplexer architecture with reduced effect of mirror edge diffraction Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by appropriate modification of the edges of the micr... | 04/01/2008 |
| 7333526 | Coarse spectrometer with a grating A quasi-monochromatic light beam carrier for a particular telecommunication channel is likely to experience drift because of age, temperature, or other factors, and may cause the centroid wavelength of the carrier to shift. Temperature adjustments by wavelength lock... | 02/19/2008 |
| 7333251 | Holographic data recording apparatus and method A holographic data recording apparatus includes: a signal beam patterning unit for irradiating a signal beam onto a holographic medium, the signal beam including a data pattern to be recorded; a cylindrical optical body including a cylindrical reflective surface, by... | 02/19/2008 |
| 7324255 | Spatial optical modulator A spatial light modulator, in which light modulation elements are arranged in a same plane. In the spatial light modulator, a plurality of the light modulation elements are arranged such that there are at least two periods of periodic structure corresponding to an a... | 01/29/2008 |
| 7317814 | Authentication system and method An authentication system using a correlator that correlates an input with a reference wherein at least one of the input and reference comprises a phase volume mask having structures, preferably points, that are each less than about six microns in size and can have a... | 01/08/2008 |
| 7315374 | Real-time monitoring optically trapped carbon nanotubes An embodiment of the present invention is a technique to monitor carbon nanotubes (CNTs). A carbon nanotube (CNT) is manipulated in a fluid by a laser beam. An illuminating light from a light source is aligned along axis of the CNT to produce an optical response fro... | 01/01/2008 |
| 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 production environments. The inventive device utilizes a division-of... | 12/04/2007 |
| 7295356 | Method for improved holographic recording using beam apodization An apodization system for achieving a substantially uniform intensity profile of a modulated reference beam on a holographic recording medium. The substantially uniform intensity profile serves to improve the quality of any and all recorded holograms. In high-densit... | 11/13/2007 |
| 7292755 | Optical resonator formed in a planar optical waveguide with a distributed optical structure An optical apparatus comprises a planar optical waveguide having at least two reflectors. The planar optical waveguide substantially confines in at least one transverse spatial dimension optical signals propagating therein, and the reflectors define an optical reson... | 11/06/2007 |
| 7289084 | Computer display apparatus A computer display apparatus includes first and second display units operatively coupled to a display controller. The display controller receives imaging instructions for images and display mode instructions for displaying the images, and causes the display units to... | 10/30/2007 |
| 7286732 | Distributed optical structures designed by computed interference between simulated optical signals An optical apparatus comprises a planar optical waveguide and at least one set of diffractive elements formed in or on the waveguide. The waveguide is arranged to confine propagating optical signals in at least one transverse dimension. The diffractive element set c... | 10/23/2007 |
| 7283286 | Hologram recording/reproducing device and optical unit A hologram recording/reproducing device includes a laser light source emitting laser light; a spatial light modulator generating signal light and reference light from the laser light emitted from the laser light source, the signal light and the reference light trave... | 10/16/2007 |
| 7265439 | Low cost, high speed, high efficiency infrared transceiver An inventive transceiver includes a transmitter for outputting plural beams of electromagnetic energy. In the illustrative embodiment, the transmitter is a vertical cavity surface emitting laser. Plural beams output by the transmitter are directed to the detector by... | 09/04/2007 |
