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Class Information
Number: 359/15
Name: Optical: systems and elements > Holographic system or element > Using a hologram as an optical element
Description: Subject matter wherein a holographic equivalent to an ordinary optical element is formed or used and wherein the holographic equivalent does not itself contain any intelligence or image information more significant than a point image.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605882 |
Optimizing performance parameters for switchable polymer dispersed liquid crystal optical elements |
Oct. 20, 2009 |
| 7601957 |
Electron microscope and combined illumination lens |
Oct. 13, 2009 |
| 7601992 |
Light detecting element and control method of light detecting element |
Oct. 13, 2009 |
| 7597457 |
Lighting apparatus |
Oct. 6, 2009 |
| 7599514 |
Optical information reading device |
Oct. 6, 2009 |
| 7589876 |
Holographic memory reproduction method and apparatus |
Sep. 15, 2009 |
| 7583423 |
Switchable polymer-dispersed liquid crystal optical elements |
Sep. 1, 2009 |
| 7583875 |
Illumination device, image display device, and projector |
Sep. 1, 2009 |
| 7573623 |
Hologram recording method using beam with very large incident angle, hologram reproduction apparatus using holographic reflector and hologram reproduction method using the same, and flat displ |
Aug. 11, 2009 |
| 7570405 |
Optimizing performance parameters for switchable polymer dispersed liquid crystal optical elements |
Aug. 4, 2009 |
| 7570404 |
Multi-state optical switch and combiner for use in a light engine and image presentation device using the same |
Aug. 4, 2009 |
| 7570322 |
Optimizing performance parameters for switchable polymer dispersed liquid crystal optical elements |
Aug. 4, 2009 |
| 7570315 |
Display apparatus |
Aug. 4, 2009 |
| 7557990 |
Method and apparatus for a Bragg grating tunable filter |
Jul. 7, 2009 |
| 7554737 |
Illumination device and method using adaptable source and output format |
Jun. 30, 2009 |
| 7551818 |
High power optical fiber laser array holographic coupler manufacturing method |
Jun. 23, 2009 |
| 7548359 |
Double-wavelength light source unit and optical head device having four diffraction gratings |
Jun. 16, 2009 |
| 7545545 |
Fabrication process for cholesteric liquid crystal media having a volume hologram |
Jun. 9, 2009 |
| 7542639 |
Holographic pump coupler and laser grating reflector |
Jun. 2, 2009 |
| 7535607 |
Device for holographic reconstruction of three-dimensional scenes |
May. 19, 2009 |
| 7528385 |
Fiber optic devices having volume Bragg grating elements |
May. 5, 2009 |
| 7527412 |
Surface emitting device and display apparatus including the same |
May. 5, 2009 |
| 7520623 |
Transmission-type screen and projection-type display device |
Apr. 21, 2009 |
| 7515319 |
Lens-less spectrometer |
Apr. 7, 2009 |
| 7511784 |
Hologram color filter, method for fabricating the same, and color liquid crystal display comprising it |
Mar. 31, 2009 |
| 7511805 |
Holographic test plate for positioning and aligning pipes |
Mar. 31, 2009 |
| 7508559 |
Synthetic colour hologram |
Mar. 24, 2009 |
| 7502168 |
Optical device and image display apparatus |
Mar. 10, 2009 |
| 7502152 |
Device for projecting an object in a space inside a vehicle |
Mar. 10, 2009 |
| 7502153 |
Image display apparatus |
Mar. 10, 2009 |
| 7490941 |
Three-dimensional hologram display system |
Feb. 17, 2009 |
| 7483190 |
Method and apparatus for implementing a multi-channel tunable filter |
Jan. 27, 2009 |
| 7480084 |
Holographic filter with a wide angular field of view and a narrow spectral bandwidth |
Jan. 20, 2009 |
| 7473009 |
Direct type back light unit for liquid crystal display device |
Jan. 6, 2009 |
| 7471430 |
Holographic image corrector |
Dec. 30, 2008 |
| 7458691 |
Holographic combiners for illumination of spatial light modulators in projection systems |
Dec. 2, 2008 |
| 7457016 |
Optical system for processing CD, DVD and holographic digital data |
Nov. 25, 2008 |
| 7453612 |
Optical device, and virtual image display |
Nov. 18, 2008 |
| 7446915 |
Diffuse reflector and method |
Nov. 4, 2008 |
| 7443553 |
Holographic sensors and their production |
Oct. 28, 2008 |
| 7443587 |
DOE-based systems and devices for producing laser beams having modified beam characteristics |
Oct. 28, 2008 |
| 7440153 |
Backlight unit for flat panel display and flat panel display apparatus having the same |
Oct. 21, 2008 |
| 7436560 |
Display device for a vehicle |
Oct. 14, 2008 |
| 7432487 |
Device for correcting output of optical pickup |
Oct. 7, 2008 |
| 7433105 |
Decorative film, carton, and method of making |
Oct. 7, 2008 |
| 7425951 |
Three-dimensional image display apparatus, method of distributing elemental images to the display apparatus, and method of displaying three-dimensional image on the display apparatus |
Sep. 16, 2008 |
| 7418170 |
Optical device and virtual image display device |
Aug. 26, 2008 |
| 7416818 |
Switchable volume hologram materials and devices |
Aug. 26, 2008 |
| 7416306 |
Laser projector |
Aug. 26, 2008 |
| 7413678 |
Electrically switchable polymer-dispersed liquid crystal materials |
Aug. 19, 2008 |
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