ClassID:

174925

G02B27/4294 - 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 in multispectral systems, e.g. UV and visible

Recent Application in this class:
#1
20250110343
2025-04-03

MULTI-COLOR SPACEPLATE

#2
20240234461
2024-07-11

Aperture-Metasurface and Hybrid Refractive-Metasurface Imaging Systems

#3
20240223874
2024-07-04

IMAGE SENSOR WITH AN INTEGRATED INFRARED CUT-OFF FILTER

#4
20240118555
2024-04-11

OPTICAL COMPUTATION DEVICE AND OPTICAL COMPUTATION METHOD

#5
20230152218
2023-05-18

IMAGING DEVICE FOR IMAGING AT LEAST ONE OBJECT

#6
20220333987
2022-10-20

Hyperspectral sensor and hyperspectral camera

#7
20220052093
2022-02-17

Aperture-Metasurface and Hybrid Refractive-Metasurface Imaging Systems

#8
20210383151
2021-12-09

HYPERSPECTRAL DETECTION DEVICE

#9
20210191097
2021-06-24

Method and device for illuminating a sample plane

#10
20210080628
2021-03-18

Diffractive grating

#11
20210028215
2021-01-28

Aperture-metasurface and hybrid refractive-metasurface imaging systems

#12
20200379561
2020-12-03

In-field illumination and imaging for eye tracking

#13
20190369454
2019-12-05

Photosensitive multilayered composite material suitable for eye implants

#14
20190361523
2019-11-28

In-field illumination and imaging for eye tracking

#15
20190049079
2019-02-14

LED solar simulator and method of use

#16
20180120555
2018-05-03

Multi-bandwidth spectrally encoded endoscope

#17
20180102093
2018-04-12

Quantum dot light emitting device and optical apparatus including the same

#18
20170307165
2017-10-26

Lighting apparatus for vehicles

#19
20170295327
2017-10-12

MULTI-SPECTRAL IMAGING WITH DIFFRACTIVE OPTICS

#20
20170090096
2017-03-30

Multibeam diffraction grating-based color backlighting

#21
20160377871
2016-12-29

Spatially multiplexed lens for head mounted display

#22
20160294146
2016-10-06

Spatial chirped cavity for temporally stretching/compressing optical pulses

#23
20160231575
2016-08-11

SPATIOTEMPORAL FOCUSING APPARATUS AND METHOD

#24
20160127642
2016-05-05

Wide-scale terrestrial light-field imaging of the sky

#25
20160033705
2016-02-04

Multibeam diffraction grating-based color backlighting

#26
20140118604
2014-05-01

Multispectral imaging camera

#27
20120307352
2012-12-06

Energy-efficient smart window system

#28
20120287767
2012-11-15

Diffraction grating, aberration correction element and optical head device

#29
20120262787
2012-10-18

PIXELATED, DIFFRACTIVE OPTICAL ELEMENT HAVING TWO HEIGHT STEPS FOR THE PRODUCTION OF A PHASE DISTRIBUTION WITH AN ARBITRARY PHASE DEVIATION

#30
20120099203
2012-04-26

Optical device and method for correcting chromatic aberrations

#31
20120075979
2012-03-29

Optical element and objective lens through which a plurality of light beams having different design wavelengths pass

#32
20110141873
2011-06-16

Diffraction grating, aberration correction element and optical head device

#33
20110134737
2011-06-09

Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server

#34
20110032811
2011-02-10

Diffractive optical element, objective optical system including the same, and optical pickup including the same

#35
20100054108
2010-03-04

Objective lens for optical pickup device, optical pickup device and optical information recording/reproducing apparatus

#36
20100033578
2010-02-11

Compact dual-field IR2-IR3 imaging system

#37
20090310197
2009-12-17

Reflective optical system, tracking system and holographic projection system and method

#38
20090190094
2009-07-30

Optical system for light flux transfer, and retinal scanning display using such an optical system

#39
20090180187
2009-07-16

System and method for using diffractive elements for changing the optical pathway

#40
20090028033
2009-01-29

Objective optical element for optical pickup device, optical element for optical pickup device, objective optical element unit for optical pickup device and optical pickup device

#41
20090020714
2009-01-22

Coded aperture imager comprising a coded diffractive mask

#42
20090010142
2009-01-08

Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server

#43
20090009838
2009-01-08

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

#44
20090003403
2009-01-01

Wavelength tunable ring-resonator

#45
20070263517
2007-11-15

Complex objective lens for an optical head and optical information apparatus

#46
20070263516
2007-11-15

Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server

#47
20070258145
2007-11-08

Diffractive optical element, objective optical system including the same, and optical pickup including the same

#48
20070242591
2007-10-18

Objective lens and optical pickup apparatus

#49
20070035837
2007-02-15

Optical pickup and optical disc apparatus

#50
20060291363
2006-12-28

Objective optical system and optical pickup apparatus

#51
20060289731
2006-12-28

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS USING THE SAME

#52
20060176559
2006-08-10

Diffractive element, method of manufacturing the same, optical pickup device, and optical disc apparatus

#53
20060114796
2006-06-01

Design method of optical element and optical element through which a plurality of light beams having different design wavelengths pass

#54
20060044638
2006-03-02

Hologram laser unit and optical pickup apparatus

#55
20060033913
2006-02-16

Diffraction element and optical head device

#56
20050254399
2005-11-17

Object lens for optical pickup device, optical pickup device and optical information recording/reproducing device

#57
20050249099
2005-11-10

Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server

#58
20050213632
2005-09-29

Wavelength tunable ring-resonator

#59
20050045814
2005-03-03

Optical scanning device and image forming apparatus using the same

#60
20050036204
2005-02-17

Optical element, lens and optical head device