Patents-Review.com
ClassID:

178818 ⎘

G03H2240/21 - CPC Classification

Classification description:

Hologram nature or properties; Details of physical variations exhibited in the hologram Optical density variations

Sub-classes:
Recent Application in this class:
#1
20250216814
2025-07-03

Holographic Light Curtains

 #2
20190324397
2019-10-24

System, apparatus and method for extracting three-dimensional information of an object from received electromagnetic radiation

 #3
20190301025
2019-10-03

Fabrication of metallic optical metasurfaces

 #4
20180246467
2018-08-30

Ultra-thin color phase hologram with metasurfaces

 #5
20180203410
2018-07-19

Dynamic hologram parameter control

 #6
20180004158
2018-01-04

System, apparatus and method for extracting three-dimensional information of an object from received electromagnetic radiation

 #7
20160334758
2016-11-17

System for producing ultra-thin color phase hologram with metasurfaces

 #8
20160154377
2016-06-02

System, apparatus and method for extracting three-dimensional information of an object from received electromagnetic radiation

 #9
20150036198
2015-02-05

Hologram transfer foil, fabrication method of image display element, image display element, and personal authentication medium

 #10
20130329269
2013-12-12

Computer implemented method for generating binary holograms

 #11
20110228365
2011-09-22

COMPUTER IMPLEMENTED METHOD FOR GENERATING BINARY HOLOGRAMS

 #12
20100142014
2010-06-10

System, apparatus and method for extracting three-dimensional information of an object from received electromagnetic radiation

 #13
20090091834
2009-04-09

METHOD OF CREATING A THREE-DIMENSIONAL IMAGE, A DIFFRACTIVE ELEMENT AND METHOD OF CREATING THE SAME

 #14
20080254373
2008-10-16

Method of making PDR and PBR glasses for holographic data storage and/or computer generated holograms

 #15
20070236763
2007-10-11

Optical recording method, optical reproducing method, and optical reproducing apparatus