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Class Information
Number: 359/11
Name: Optical: systems and elements > Holographic system or element > Using modulated or plural reference beams > Spatial, phase or amplitude modulation
Description: Subject matter in which the reference beam is modulated by changing its phase, path length, or amplitude so as to have a nonuniform wavefront.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8687252 Device for light modulation Apr. 1, 2014
8665504 Digital holography device and phase plate array Mar. 4, 2014
8634119 System for holography Jan. 21, 2014
8630157 Data reproducing apparatus Jan. 14, 2014
8593710 Holographic projection device for the reconstruction of scenes Nov. 26, 2013
8514472 Reference beam coupler for an apparatus for reading from and/or writing to holographic storage media Aug. 20, 2013
8432591 Light irradiation device for recording information in a hologram recording medium Apr. 30, 2013
8427725 Light modulating device Apr. 23, 2013
8416480 Hologram reproducing apparatus, hologram reproducing method, and phase modulating element Apr. 9, 2013
8334889 Auto stereoscopic 3D telepresence using integral holography Dec. 18, 2012
8335033 Optical processing Dec. 18, 2012
8284469 Apparatus for reading from and/or writing to holographic storage media Oct. 9, 2012
8270051 Method of recording holographic information using hologram mark and homogeneous mark Sep. 18, 2012
8226241 Image projector employing a speckle-reducing laser source Jul. 24, 2012
8208184 Holographic storage system with improved data page quality Jun. 26, 2012
8199387 Phase addressed holographic associative memory Jun. 12, 2012
8189250 Recording/playback apparatus, recording apparatus, playback apparatus, recording/playback method, recording method, and playback method May. 29, 2012
8189249 Holographic storage system using destructive interference for pixel detection May. 29, 2012
8169676 Holographic storage system with multiple reference beams May. 1, 2012
8152307 Diffractive optical element having periodically repeating phase mask and system for reducing perceived speckle Apr. 10, 2012
8154780 Holographic image projection systems Apr. 10, 2012
8134771 Spatial light modulators with changeable phase masks for use in holographic data storage Mar. 13, 2012
8120829 System and method for real time holographic data recording and readout Feb. 21, 2012
8120826 Optical information recorder (reflection holographic memory device) Feb. 21, 2012
8120827 Holographic storage system for reading a hologram stored on a holographic storage medium and a method carried out therewith Feb. 21, 2012
8107145 Reproducing device and reproducing method Jan. 31, 2012
8089683 Optical processing Jan. 3, 2012
8070298 Laser display system with optical feedback configured to reduce speckle artifacts Dec. 6, 2011
8072660 Hologram recording apparatus and hologram reconstruction apparatus Dec. 6, 2011
8054519 Wavelength-multiplex and space-multiplex holographic storage device Nov. 8, 2011
8035873 Hologram recording method and hologram recording device using generating light patterns Oct. 11, 2011
8009341 Holographic information recording and reproducing apparatus for the same Aug. 30, 2011
8004760 Rear-projection display Aug. 23, 2011
7993012 Laser display system with optical feedback configured to reduce speckle artifacts Aug. 9, 2011
7988297 Non-rigidly coupled, overlapping, non-feedback, optical systems for spatial filtering of fourier transform optical patterns and image shape content characterization Aug. 2, 2011
7976170 Holographic projection method and holographic projection device Jul. 12, 2011
7967445 Image projecting apparatus and image projecting method Jun. 28, 2011
7936490 System and methods for shearless hologram acquisition May. 3, 2011
7903309 Optical informational recording/reproduction device and method Mar. 8, 2011
7889407 Method for producing a duplicate hologram recording medium, apparatus for producing a duplication master, apparatus for producing a duplicate hologram recording medium, and duplication master Feb. 15, 2011
7885164 Optical information recording method and optical information recording medium Feb. 8, 2011
7852538 Hologram recording apparatus and hologram recording method Dec. 14, 2010
7847227 Optical measuring system Dec. 7, 2010
7847238 Holographic microfabrication and characterization system for soft matter and biological systems Dec. 7, 2010
7848204 Holographic storage and regeneration system having servo mechanism Dec. 7, 2010
7835052 Hologram recording method and hologram recording device Nov. 16, 2010
7830572 Holographic storage system based on common path interferometry Nov. 9, 2010
7798650 Image projection device and method Sep. 21, 2010
7733557 Spatial light modulators with changeable phase masks for use in holographic data storage Jun. 8, 2010
7724414 Spatial light modulator May. 25, 2010

1 2 3 4 5 6

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