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Class Information
Number: 359/19
Name: Optical: systems and elements > Holographic system or element > Using a hologram as an optical element > Lens
Description: Subject matter in which the holographic equivalent is an optical device which focuses light.


Sub-classes under this class:

Class Number Class Name Patents
359/20 Multiple point hologram (e.g., fly-eye lens, etc.) 75


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7586826 Compatible optical pickup Sep. 8, 2009
7538916 Document lighting device, image reader, color document reader, and image forming device May. 26, 2009
7532372 Method for creating a holographic screen that reconstructs uniformly magnified three-dimensional images from projected integral photographs May. 12, 2009
7527412 Surface emitting device and display apparatus including the same May. 5, 2009
7515319 Lens-less spectrometer Apr. 7, 2009
7502152 Device for projecting an object in a space inside a vehicle Mar. 10, 2009
7436561 Hologram laser unit and optical pickup apparatus Oct. 14, 2008
7418170 Optical device and virtual image display device Aug. 26, 2008
7388696 Diffuser, wavefront source, wavefront sensor and projection exposure apparatus Jun. 17, 2008
7355768 Wavelength tunable holographic filter with broad acceptance angle and narrow spectral bandwidth Apr. 8, 2008
7298535 Digital situation indicator Nov. 20, 2007
7298553 Element for the combined symmetrization and homogenization of a bundle of beams Nov. 20, 2007
7227688 Apparatus for applying optical gradient forces Jun. 5, 2007
7218429 Digital focus lens system May. 15, 2007
7212323 Methods and apparatus for mass manufacturing two-dimensional binary information on transparent substrates using phase contrast modulated templates May. 1, 2007
7209269 Displaying holographic three dimensional images Apr. 24, 2007
7180668 Optical pickup device and optical disc device Feb. 20, 2007
7180669 Method and system for generating substantially uniform speckle patterns Feb. 20, 2007
7161131 Multiple wavelength quadrant detection Jan. 9, 2007
7133172 Variable hologram element, and optical device using the same Nov. 7, 2006
7126730 Electro-holographic lens Oct. 24, 2006
7099590 Filtering technique for free space interconnects Aug. 29, 2006
7050207 Optical pickup device using hologram pattern and hologram pattern generating method May. 23, 2006
6992804 Part made of transparent material and headlight lens for vehicles Jan. 31, 2006
RE38943 Compound objective lens for optical disks having different thicknesses Jan. 24, 2006
6987614 Optical pickup and optical disc drive device Jan. 17, 2006
6972904 Pointable optical transceivers for free space optical communication Dec. 6, 2005
6967754 Hybrid optical transceivers for free space optical communication Nov. 22, 2005
6952295 Hologram screen and hologram display Oct. 4, 2005
6922267 Image display apparatus Jul. 26, 2005
6867889 Transceiver for a wireless optical telecommunication system Mar. 15, 2005
6856460 Diffractive optical element for providing favorable multi-mode fiber launch and reflection management Feb. 15, 2005
6853812 Polarized-holographic filtering providing improved extinction ratio Feb. 8, 2005
6847761 Optical module and method of forming the optical module Jan. 25, 2005
6842271 Rain sensor, in particular for a motor vehicle Jan. 11, 2005
6833938 Variable hologram element, and optical device using the same Dec. 21, 2004
6822794 Diffractive optical element for providing favorable multi-mode fiber launch and reflection management Nov. 23, 2004
6805490 Method and system for beam expansion in a display device Oct. 19, 2004
6738130 Ultra-light helmet-mounted laser range finder May. 18, 2004
6731415 Multi-aperture holographic optical element for use in a free space optical communication system May. 4, 2004
6724508 Internal reflection apparatus and method using a holographic optical element for a free space optical communication system Apr. 20, 2004
6667819 Reflection type diffuse hologram, hologram for reflection hologram color filters, etc., and reflection type display device using such holograms Dec. 23, 2003
6661546 Multi-aperture holographic optical element for illumination sensing in a free space optical communication system Dec. 9, 2003
6654399 Semiconductor light projection apparatus and distance measurement apparatus Nov. 25, 2003
6643039 Holographic reflector and reflectiver liquid crystal display using it Nov. 4, 2003
6624940 Method for applying optical gradient forces and moving material Sep. 23, 2003
6608708 System and method for using a holographic optical element in a wireless telecommunication system receiver Aug. 19, 2003
6593958 System, apparatus and method for the recording and projection of images in substantially 3-dimensional format Jul. 15, 2003
6580529 Holographic optical devices Jun. 17, 2003
6577411 Optical system for alternative or simultaneous direction of light originating from two scenes to the eye of a viewer Jun. 10, 2003

1 2 3 4 5


 
 
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