Patents-Review.com
ClassID:

174913 ⎘

G02B27/4227 - CPC Classification

Classification description:

Optical systems or apparatus not provided for by any of the groups -; Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant in image scanning systems

Recent Application in this class:
#1
20260003202
2026-01-01

META-LENS, OPTICAL SYSTEM, IMAGE PROJECTION DEVICE, LIGHT SOURCE DEVICE, IMAGING DEVICE, OPTICAL SCANNING DEVICE, AND MEDICAL IMAGE PROJECTION DEVICE

 #2
20250302596
2025-10-02

INTRAORAL 3D SCANNING SYSTEM USING MIRROR AND STRUCTURED LIGHT PROJECTION WITH MULTIPLE PATTERN FEATURE TYPES

 #3
20250195183
2025-06-19

INTRAORAL 3D SCANNING SYSTEM USING MIRROR AND STRUCTURED LIGHT PROJECTION

 #4
20250076672
2025-03-06

Object Localization System

 #5
20250032227
2025-01-30

Intraoral 3D scanning system using uniform structured light projection

 #6
20250020940
2025-01-16

METHOD AND SYSTEM FOR FIBER SCANNING PROJECTOR WITH ANGLED EYEPIECE

 #7
20240210702
2024-06-27

Device for generating and displaying an image on an observation field using a multifunctional diffractive element

 #8
20240156577
2024-05-16

Dental scanning system with structured light projection

 #9
20240138961
2024-05-02

Intraoral 3D scanning system using structured light projection

 #10
20240077742
2024-03-07

Wearable data display

 #11
20230384609
2023-11-30

METHOD AND SYSTEM FOR GENERATION OF A NEEDLE-SHAPED BEAM BY A DIFFRACTIVE OPTICAL ELEMENT FOR USE IN EXTENDED DEPTH-OF-FOCUS OPTICAL COHERENCE TOMOGRAPHY

 #12
20230367387
2023-11-16

PLANAR WAVEGUIDE APPARATUS WITH DIFFRACTION ELEMENT(S) AND SYSTEM EMPLOYING SAME

 #13
20230320825
2023-10-12

METHOD AND INTRAORAL SCANNER FOR DETECTING THE TOPOGRAPHY OF THE SURFACE OF A TRANSLUCENT OBJECT, IN PARTICULAR A DENTAL OBJECT

 #14
20230314828
2023-10-05

Object localization system

 #15
20230266600
2023-08-24

SYSTEM FOR IMAGING A SCENE

 #16
20230199162
2023-06-22

Three-dimensional imaging method and system using scanning-type coherent diffraction

 #17
20230101633
2023-03-30

ACHROMATIC BEAM DEFLECTOR FOR LIGHT-EFFICIENT DISPLAY PANEL

 #18
20220331798
2022-10-20

Flowcells with linear waveguides

 #19
20220280269
2022-09-08

Intraoral 3D scanner employing light projectors with pattern generating optical elements

 #20
20220260847
2022-08-18

Wearable data display

 #21
20220244557
2022-08-04

LIGHT PATTERN GENERATION DEVICE

 #22
20220155417
2022-05-19

LIGHT-RECEIVING DEVICE AND METHOD FOR MANUFACTURING LIGHT-RECEIVING DEVICE

 #23
20220146829
2022-05-12

Head Mounted Display

 #24
20220105511
2022-04-07

Flowcells with linear waveguides

 #25
20220075182
2022-03-10

Optical scanner and electrophotographic image forming apparatus

 #26
20220075181
2022-03-10

Optical scanner and electrophotographic image forming apparatus

 #27
20220011098
2022-01-13

Planar waveguide apparatus with diffraction element(s) and system employing same

 #28
20210356754
2021-11-18

Meta-optics for virtual reality and augmented reality systems

 #29
20210278686
2021-09-09

Method and system for fiber scanning projector with angled eyepiece

 #30
20210173199
2021-06-10

Image projection device

 #31
20210149209
2021-05-20

Display device

 #32
20210096385
2021-04-01

Object localization system

 #33
20200393548
2020-12-17

Systems and methods for optical demodulation in a depth-sensing device

 #34
20200310133
2020-10-01

Virtual image display apparatus

 #35
20200249491
2020-08-06

Wearable data display

 #36
20200234069
2020-07-23

Alignment system

 #37
20200000327
2020-01-02

Device and methods for color corrected OCT imaging endoscope/catheter/capsule to achieve high-resolution

 #38
20190388194
2019-12-26

Light field intraoral 3D scanner with structured light illumination

 #39
20190388193
2019-12-26

Intraoral 3D scanner employing multiple miniature cameras and multiple miniature pattern projectors

 #40
20190368868
2019-12-05

Method and system for generating a virtual user interface related to a totem

 #41
20190339507
2019-11-07

Spectrally encoded probe with multiple diffraction orders

 #42
20190278011
2019-09-12

Enhancing daytime detection of objects with the use of a system incorporating dual diffractive elements with corresponding diffraction efficiencies and bandwidths

 #43
20190235266
2019-08-01

Display device

 #44
20190227151
2019-07-25

Systems and methods for optical demodulation in a depth-sensing device

 #45
20190187416
2019-06-20

F-theta lens having diffractive optical element and optical system including the F-theta lens

 #46
20190178638
2019-06-13

User and object interaction with an augmented reality scenario

 #47
20190174038
2019-06-06

Endoscope probes and systems, and methods for use therewith

 #48
20190171021
2019-06-06

Techniques for Image Projection

 #49
20180172994
2018-06-21

MEMS laser scanner having enlarged FOV

 #50
20180095278
2018-04-05

TECHNIQUES FOR IMAGE PROJECTION

 #51
20180017778
2018-01-18

Spectrally encoded probe with multiple diffraction orders

 #52
20170315360
2017-11-02

Display apparatus

 #53
20170276957
2017-09-28

Optical element with spaced diffraction gratings, and display apparatus

 #54
20170127940
2017-05-11

Diffraction grating for wavelength selection in line-scan SLO

 #55
20170115484
2017-04-27

IMAGE DISPLAY DEVICE

 #56
20170115232
2017-04-27

Multi-spot scanning collection optics

 #57
20170035281
2017-02-09

Endoscope probes and systems, and methods for use therewith

 #58
20160377850
2016-12-29

Multifocal scanning fluorescence microscope

 #59
20160282615
2016-09-29

Light flux diameter enlarging element and display device

 #60
20160252742
2016-09-01

Image display device

 #61
20160161755
2016-06-09

Image display apparatus having an optical scanner

 #62
20160004090
2016-01-07

Wearable data display

 #63
20160004059
2016-01-07

Coherent fluorescence super-resolution microscopy

 #64
20150248793
2015-09-03

Method and system for facilitating surgery using an augmented reality system

 #65
20150248791
2015-09-03

Method and system for generating virtual rooms

 #66
20150248789
2015-09-03

Augmented reality system totems and methods of using same

 #67
20150248787
2015-09-03

Method and system for retrieving data in response to user input

 #68
20150248170
2015-09-03

Method and system for generating a virtual user interface related to a totem

 #69
20150247723
2015-09-03

Method and system for obtaining texture data of a space

 #70
20150243105
2015-08-27

Method and system for interacting with user interfaces

 #71
20150243100
2015-08-27

Method and system for determining user input based on totem

 #72
20150242943
2015-08-27

Method and system for generating a retail experience using an augmented reality system

 #73
20150241959
2015-08-27

Method and system for updating a virtual world

 #74
20150241705
2015-08-27

Planar waveguide apparatus having a plurality of diffractive optical elements

 #75
20150235447
2015-08-20

Method and system for generating map data from an image

 #76
20150235441
2015-08-20

Method and system for rendering virtual content

 #77
20150235370
2015-08-20

Method and system for identifying a user location

 #78
20150235088
2015-08-20

Method and system for inserting recognized object data into a virtual world

 #79
20150234477
2015-08-20

Method and system for determining user input based on gesture

 #80
20150226677
2015-08-13

Multi-spot scanning collection optics

 #81
20140204455
2014-07-24

WEARABLE DATA DISPLAY

 #82
20120267515
2012-10-25

Talbot-illuminated imaging devices, systems, and methods for focal plane tuning

 #83
20120182371
2012-07-19

Optical writing head and image forming apparatus

 #84
20110228368
2011-09-22

Optical scanning device, optical writing device, and image forming apparatus

 #85
20110164296
2011-07-07

Optical beam scanning device, image forming apparatus

 #86
20110069368
2011-03-24

Optical beam scanning apparatus and image forming apparatus

 #87
20110058230
2011-03-10

Optical scanning device and image forming apparatus

 #88
20100259808
2010-10-14

Optical beam scanning device, image forming apparatus

 #89
20100165068
2010-07-01

OPTICAL BEAM SCANNING APPARATUS AND IMAGE FORMING APPARATUS

 #90
20090323148
2009-12-31

Optical beam scanning apparatus and image forming apparatus

 #91
20090214261
2009-08-27

Optical scanning device and image forming apparatus

 #92
20090168153
2009-07-02

Infrared zoom lens and infrared camera

 #93
20090059333
2009-03-05

Optical scanning apparatus, and image forming apparatus

 #94
20090015898
2009-01-15

Optical beam scanning apparatus and image forming apparatus

 #95
20090009843
2009-01-08

Optical beam scanning device restraining beam position error due to temperature change with diffraction grating and image forming apparatus using the same

 #96
20090009838
2009-01-08

Diffraction optical element, light beam detection device, optical scanner and image forming apparatus

 #97
20090009731
2009-01-08

Optical beam scanning device, image forming apparatus

 #98
20090002792
2009-01-01

Optical scanning device and image forming apparatus

 #99
20080297873
2008-12-04

Optical beam scanning device, optical beam scanning method

 #100
20080297872
2008-12-04

Optical beam scanning device, optical beam scanning method

 #101
20080247021
2008-10-09

Optical scanning device and image forming apparatus

 #102
20080239438
2008-10-02

Optical beam scanning apparatus and image forming apparatus

 #103
20080239437
2008-10-02

Optical beam scanning apparatus and image forming apparatus

 #104
20080130138
2008-06-05

Radar apparatus and optical receiver thereof

 #105
20080068689
2008-03-20

Diffractive-optical element, scanning optical system, optical scanner, and image forming apparatus

 #106
20070253048
2007-11-01

Optical scanning device, optical writing device, and image forming apparatus

 #107
20070211324
2007-09-13

Optical scanning device and image forming apparatus

 #108
20070097523
2007-05-03

Single lens element, light source device and scanning optical device

 #109
20070081214
2007-04-12

Image scanning apparatus

 #110
20060289731
2006-12-28

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS USING THE SAME

 #111
20060092492
2006-05-04

Optical scanning apparatus and method for adjusting the same

 #112
20060091306
2006-05-04

Light scanning apparatus and image forming apparatus using the same

 #113
20060077500
2006-04-13

Optical scanning device with at least one resin lens for controlling a beam waist position shift

 #114
20050179771
2005-08-18

Optical scanning device and image forming apparatus

 #115
20050045814
2005-03-03

Optical scanning device and image forming apparatus using the same

 #116
18350694
2023-12-19

Diffraction optical waveguide and grating structure thereof, and display device

 #117
17177668
2022-12-27

Imaging systems with angled sensors and related methods

 #118
15827548
2019-08-27

Systems and methods for a projector system with multiple diffractive optical elements

 #119
15581466
2018-05-15

Compact display engine with MEMS scanners

 #120
15581332
2018-05-01

Compact display engine with MEMS scanners

 #121
15138155
2016-12-13

Dynamically reconfigurable optical pattern generator module useable with a system to rapidly reconstruct three-dimensional data