ClassID:

178686

G03H1/32 - CPC Classification

Classification description:

Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto Systems for obtaining speckle elimination

Recent Application in this class:
#1
20260072402
2026-03-12

SYSTEMS, METHODS, AND DEVICE ARCHITECTURES FOR OPTICAL APPLICATIONS

#2
20250208567
2025-06-26

In-Line Lens-Free Holographic Imaging of Objects Contained in a Liquid Sample in a Microwell

#3
20250028281
2025-01-23

HOLOGRAPHIC DISPLAY USING METASURFACE AND METASURFACE OPTIMIZATION METHOD

#4
20240319091
2024-09-26

METHOD OF DETERMINING THE IDENTITY OF A BIOMOLECULE

#5
20240134313
2024-04-25

METHOD AND DEVICE FOR ENCODING COMPLEX-VALUE SIGNALS FOR THE RECONSTRUCTION OF THREE-DIMENSIONAL OBJECTS

#6
20230400811
2023-12-14

HOLOGRAM PROFILE OPTIMIZATION METHOD, HOLOGRAM PROFILE GENERATION DEVICE, AND HOLOGRAPHIC DISPLAY DEVICE TO WHICH HOLOGRAM PROFILE OPTIMIZATION METHOD IS APPLIED

#7
20230213891
2023-07-06

A METHOD AND DISPLAY APPARATUS FOR REDUCING HOLOGRAPHIC SPECKLE

#8
20230026771
2023-01-26

PROJECTION SYSTEM AND METHOD OF DRIVING A PROJECTION SYSTEM

#9
20220385865
2022-12-01

Projection apparatus

#10
20220357702
2022-11-10

METHOD OF COMPUTING A HOLOGRAM

#11
20220326656
2022-10-13

COMPACT OPTICAL ASSEMBLY

#12
20220236692
2022-07-28

Illumination device

#13
20220066211
2022-03-03

Speckle-reduced direct-retina holographic projector including multiple spatial light modulators

#14
20210208536
2021-07-08

Method and device for encoding complex-value signals for the reconstruction of three-dimensional objects

#15
20210103249
2021-04-08

Illumination apparatus using a coherent light source

#16
20210088849
2021-03-25

Backlight device and holographic 3-dimensional image display device including the same

#17
20200393794
2020-12-17

Holographic display

#18
20200348531
2020-11-05

Laser illumination device

#19
20200341194
2020-10-29

Holographic Waveguide Illumination Homogenizers

#20
20200326655
2020-10-15

Speckle reduction with image dithering

#21
20200326464
2020-10-15

Diffuser assembly

#22
20200156531
2020-05-21

Timing control unit for controlling an illumination device with coherent light source

#23
20200018987
2020-01-16

Projection device and projection-type video display device

#24
20190377301
2019-12-12

Devices and methods for generating a holographic reconstruction of an object

#25
20190212573
2019-07-11

Laser illumination device

#26
20190171161
2019-06-06

System and method for high-quality speckle-free phase-only computer-generated holographic image projection

#27
20190094803
2019-03-28

Illumination device

#28
20190072776
2019-03-07

Lighting device

#29
20190056694
2019-02-21

Illumination device, projection apparatus and projection-type image display apparatus

#30
20190041797
2019-02-07

Holographic projector

#31
20180309961
2018-10-25

Scanner device and device for measuring three-dimensional shape of object

#32
20180217554
2018-08-02

Holographic display

#33
20180143449
2018-05-24

Optical apparatus for recording a holographic device and method of recording

#34
20180095292
2018-04-05

Projection device and projection-type video display device

#35
20180088528
2018-03-29

Method and a display device for generating a holographic reconstruction of an object

#36
20180039092
2018-02-08

Projection type image display apparatus

#37
20170211972
2017-07-27

Speckle reduction method and apparatus

#38
20160377879
2016-12-29

Laser illumination device

#39
20160349526
2016-12-01

Illumination device, projection apparatus and projection-type image display apparatus

#40
20160327907
2016-11-10

Illumination apparatus using a coherent light source

#41
20160327805
2016-11-10

Projection device and projection-type video display device

#42
20160291544
2016-10-06

Holographic display

#43
20160266545
2016-09-15

Illumination device, projection apparatus and projection-type image display apparatus

#44
20160266399
2016-09-15

Projection type image display apparatus

#45
20160252804
2016-09-01

Projection apparatus and projection control apparatus

#46
20160178920
2016-06-23

Projection device and projection-type video display device

#47
20160062131
2016-03-03

Projection device and projection-type video display device

#48
20160004219
2016-01-07

Projection display and method for displaying at least one of two-dimensional and three-dimensional scene or of content

#49
20150234351
2015-08-20

Despeckling a computer generated hologram

#50
20150168914
2015-06-18

Increasing an area from which reconstruction from a computer generated hologram may be viewed

#51
20150116800
2015-04-30

IMAGE PROCESSING APPARATUS

#52
20150085518
2015-03-26

Projection device and projection-type video display device

#53
20150085332
2015-03-26

Image display apparatus

#54
20150036199
2015-02-05

Method of generating a holographic reconstruction of an object using observer tracking

#55
20140347858
2014-11-27

Illuminating device using coherent light source

#56
20140347715
2014-11-27

Illuminating method using coherent light source

#57
20140340651
2014-11-20

Projection apparatus and hologram recording medium

#58
20140320865
2014-10-30

Apparatus for detecting a 3D structure of an object

#59
20140177018
2014-06-26

Image display module

#60
20140043591
2014-02-13

Projection apparatus and projection control apparatus

#61
20140002876
2014-01-02

Method of laser illumination with reduced speckling

#62
20130308195
2013-11-21

Speckle reduction apparatus based on Mie scattering, perturbation drive, and optical reflective chamber

#63
20130286683
2013-10-31

Plane illumination apparatus and backlight apparatus

#64
20130256517
2013-10-03

Speckle reduction method and apparatus

#65
20130242606
2013-09-19

Plane illumination apparatus and backlight apparatus

#66
20130170007
2013-07-04

Illumination device, projection apparatus and projection-type image display apparatus

#67
20130170006
2013-07-04

Illumination device, projection apparatus and projection-type image display apparatus

#68
20130170005
2013-07-04

Projection device and projection-type video display device

#69
20130169941
2013-07-04

Projection device and projection-type video display device

#70
20130169940
2013-07-04

Illumination device, projection device, and projection-type image display device

#71
20130169936
2013-07-04

Illumination device, projection device, and projection-type image display device

#72
20130148182
2013-06-13

Speckle noise reduction based on longitudinal shift of sample

#73
20130096017
2013-04-18

Digital holographic method of measuring cellular activity and of using results to screen compounds

#74
20130088763
2013-04-11

Illuminating device using coherent light source

#75
20130088568
2013-04-11

Digital holographic method of measuring cellular activity and measuring apparatus with improved stability

#76
20130076857
2013-03-28

Scanner device and device for measuring three-dimensional shape of object

#77
20120314115
2012-12-13

Projector having holographic recording medium and light modulation element

#78
20120281943
2012-11-08

Laser illumination device

#79
20120008181
2012-01-12

Holographic Image Display Systems

#80
20110176190
2011-07-21

Method for reconstructing a holographic projection

#81
20110109948
2011-05-12

Holographic image display systems

#82
20110031384
2011-02-10

Speckle reduction method and apparatus

#83
20110026559
2011-02-03

LASER DISPLAYS

#84
20110002019
2011-01-06

HOLOGRAPHIC IMAGE DISPLAY SYSTEMS

#85
20100253677
2010-10-07

Holographic display

#86
20100202725
2010-08-12

Laser illumination device

#87
20100194745
2010-08-05

Holographic display having improved reconstruction quality

#88
20100188719
2010-07-29

Method and device for holographically reconstructing a scene

#89
20100172001
2010-07-08

Displaying an image

#90
20100149611
2010-06-17

Method and Apparatus for Reconstructing a Three-Dimensional Scene in a Holographic Display

#91
20100149311
2010-06-17

Holographic display with communications

#92
20100149139
2010-06-17

High Resolution Display

#93
20100097673
2010-04-22

HOLOGRAPHIC IMAGE DISPLAY SYSTEMS

#94
20100097672
2010-04-22

Method and device for reducing speckle

#95
20090322738
2009-12-31

METHODS AND APPARATUS FOR DISPLAYING IMAGES USING HOLOGRAMS

#96
20090296176
2009-12-03

Method and device for reducing speckle

#97
20090290203
2009-11-26

Method and device for computing computer-generated video holograms

#98
20090168424
2009-07-02

Light source device and projector

#99
20080247016
2008-10-09

Illumination device and method for illuminating uniformly an image generating micro display

#100
20080212159
2008-09-04

Direct optical image projectors

#101
20070164203
2007-07-19

Speckle reduction method and apparatus

#102
20060238743
2006-10-26

Speckle reduction optical mount device

#103
20060139711
2006-06-29

Method of computing a hologram

#104
20060139710
2006-06-29

Method and device for computing computer-generated video holograms

#105
20060097178
2006-05-11

Speckle reduction method and apparatus

#106
20060092515
2006-05-04

Illumination system to eliminate laser speckle and a single-panel projection system employing the same

#107
20050029464
2005-02-10

Speckle reduction method and apparatus

#108
16565335
2020-03-17

Method of single shot imaging for correcting phase errors

#109
15914897
2019-09-17

Single shot imaging using digital holography receiver

#110
14591879
2017-02-28

Motion compensated multi-wavelength digital holography