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Browse by Category: Main > Information Technology
Class Information
Number: 365/125
Name: Static information storage and retrieval > Information masking > Diffraction > Holograms
Description: Subject matter wherein object and reference beams are required to store information.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7365656 Data identification method and apparatus Apr. 29, 2008
7283286 Hologram recording/reproducing device and optical unit Oct. 16, 2007
7277211 Hologram recording and reproduction apparatus, hologram recording and reproduction method and hologram recording medium Oct. 2, 2007
7262893 Data read/write device for holographic WORM and method thereof Aug. 28, 2007
7248389 Holographic recording and reconstructing apparatus and holographic recording and reconstructing method Jul. 24, 2007
7245407 Complex objective lens compatible with information media of different thicknesses Jul. 17, 2007
7245408 Systems and methods for producing wide field-of-view holographic displays Jul. 17, 2007
7206106 Holographic ROM reader having servo control Apr. 17, 2007
7193757 Angle multiplexing holographic storage device and method Mar. 20, 2007
7167286 Polytopic multiplex holography Jan. 23, 2007
7149015 Obliquity correction scanning using a prism mirror Dec. 12, 2006
7092133 Polytopic multiplex holography Aug. 15, 2006
6980337 Apparatus and method for recording digital data on a holographic storage system Dec. 27, 2005
6972982 Ring-shaped prism of a holographic ROM system Dec. 6, 2005
6906835 Doped stoichiometric lithium niobate crystals and method for high-speed holographic data storage Jun. 14, 2005
6903853 Optical head and hologram recording device including the same Jun. 7, 2005
6894816 Method and apparatus for recording/reproducing optical information May. 17, 2005
6798547 Process for holographic multiplexing Sep. 28, 2004
6781725 Confocal holographic optical storage with non-overlapping records Aug. 24, 2004
6762865 Self-referenced holography using diffusive element Jul. 13, 2004
6721076 System and method for reflective holographic storage with associated multiplexing techniques Apr. 13, 2004
6710901 Method and apparatus for two-photon, volumetric spatially resolved holographic data storage in photosensitive glass Mar. 23, 2004
6697180 Rotation correlation multiplex holography Feb. 24, 2004
6697316 Compensation of pixel misregistration in volume holographic data storage Feb. 24, 2004
6661725 Apparatus for storing/restoring holographic data and method for coding/decoding holographic data Dec. 9, 2003
6614566 Process for holography involving skip-sorted hologram storage Sep. 2, 2003
6512606 Optical storage media and method for optical data storage via local changes in reflectivity of a format grating Jan. 28, 2003
6414763 Digital holographic camera system and method having removable media Jul. 2, 2002
6388779 Process for holography involving tilt compensation May. 14, 2002
6348983 Holographic storage medium having enhanced temperature operating range and method of manufacturing the same Feb. 19, 2002
6347060 Hologram observation method and hologram observation apparatus and multi-dimensional hologram data processing method and multi-dimensional hologram data processing apparatus Feb. 12, 2002
6331904 Reflection optics reference beam telescope Dec. 18, 2001
6327171 Digital signal recording/reproducing method Dec. 4, 2001
6274279 Preparations of bacteriorhodopsin variants having increased memory time, and their use Aug. 14, 2001
6246495 Phase-shift digital holographic apparatus Jun. 12, 2001
6226109 Diffractive security device on compact discs May. 1, 2001
6226415 Noise reduction in volume holographic memories May. 1, 2001
6222755 Solid state holographic memory Apr. 24, 2001
6222754 Digital signal recording/reproducing method Apr. 24, 2001
6178019 System and method for controlling the selectivity of a holographic memory system Jan. 23, 2001
6166835 Holographic memory Dec. 26, 2000
6157470 Non-volatile holographic storage in doubly-doped photorefractive material Dec. 5, 2000
6122081 Using the Talbot Effect for lensless imaging of periodic structures in a holographic memory system Sep. 19, 2000
6108110 Optical relay for pixel-based holographic storage and retrieval Aug. 22, 2000
6104511 Reflector-based off-axis optical system for holographic storage Aug. 15, 2000
6072608 Compact architecture for holographic systems Jun. 6, 2000
6064586 Method for holographic data storage and retrieval May. 16, 2000
6061154 System and method for steering focal plane data to access data locations in a holographic memory May. 9, 2000
6055174 Solid state holographic memory Apr. 25, 2000
6040930 Volume holographic storage using rotated signal beam encoder Mar. 21, 2000

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