ClassID:

174931

G02B27/54 - CPC Classification

Classification description:

Optical systems or apparatus not provided for by any of the groups -; Optics for phase object visualisation Schlieren-optical systems

Recent Application in this class:
#1
20250314878
2025-10-09

SCHLIEREN SYSTEM FOR IN-SITU/ONLINE MONITORING OF SPATTER IN LARGE-AREA MELT POOL

#2
20240142791
2024-05-02

VISUALIZING CATHETER IRRIGATION USING SCHLIEREN IMAGES

#3
20220404277
2022-12-22

METHOD FOR DETECTING PRIMARY GAS FLOWS IN FLOW CHAMBERS, USE OF A GAS MIXTURE THEREFOR AND GAS MIXTURE

#4
20220299437
2022-09-22

Methods and apparatus for a self-aligned digital projection and reflected glare reduction imaging system

#5
20220202480
2022-06-30

Visualizing catheter irrigation using schlieren images

#6
20220188555
2022-06-16

Driver monitoring apparatus, vehicle and control method

#7
20220187161
2022-06-16

Deflectometry measurement system

#8
20220136982
2022-05-05

Region prober optical inspector

#9
20200286249
2020-09-10

Measurement method and measurement apparatus

#10
20200285049
2020-09-10

Smile correction using FAC lens deformation

#11
20190041552
2019-02-07

Fourier lens, method for designing Fourier lens, and schlieren apparatus

#12
20180096482
2018-04-05

Devices for refractive field visualization

#13
20150062891
2015-03-05

Smile correction using FAC lens deformation

#14
20150016690
2015-01-15

Methods and apparatus for refractive flow measurement

#15
20140340502
2014-11-20

Methods and apparatus for refractive flow measurement with three dimensions and uncertainty

#16
20120200848
2012-08-09

Device and method for measuring vaporization-melt ratio

#17
20090128872
2009-05-21

Method of forming an image and image projection device

#18
20050036153
2005-02-17

Apparatus and process for characterizing samples