ClassID:

174655

G02B21/247 - CPC Classification

Classification description:

Microscopes; Base structure; Devices for focusing using auxiliary sources, detectors Differential detectors

Recent Application in this class:
#1
20260099038
2026-04-09

SYSTEM AND METHOD FOR ADJUSTING THE ALIGNMENT OF A LIGHT SHEET MICROSCOPE

#2
20250370238
2025-12-04

SEMICONDUCTOR INSPECTION TOOL AND METHODS OF OPERATION

#3
20230113528
2023-04-13

Systems, devices and methods for automatic microscope focus

#4
20210011271
2021-01-14

Systems, devices and methods for automatic microscope focus

#5
20190339503
2019-11-07

Systems, devices and methods for automatic microscope focus

#6
20190293918
2019-09-26

Digital microscope apparatus, method of searching for in-focus position thereof, and program

#7
20170350757
2017-12-07

Method for refocusing an optical assembly

#8
20170176714
2017-06-22

Focus monitoring arrangement and inspection apparatus including such an arrangement

#9
20170153437
2017-06-01

Optical microscope and method for detecting lens immersion

#10
20160223804
2016-08-04

Digital microscope apparatus, method of searching for in-focus position thereof, and program

#11
20160216504
2016-07-28

Autofocus method and autofocus device

#12
20150286052
2015-10-08

Microscope and ghosting elimination method

#13
20150001374
2015-01-01

Autofocus mechanism with a first and second amplification rate

#14
20150001373
2015-01-01

Autofocus mechanism

#15
20140368833
2014-12-18

Focusing device including a differential interference prism

#16
20140267673
2014-09-18

Digital microscope apparatus, method of searching for in-focus position thereof, and program

#17
20140160558
2014-06-12

Focus control apparatus and method

#18
20120075455
2012-03-29

Imaging method and microscope device

#19
20120038979
2012-02-16

Autofocus method and autofocus device

#20
20120038978
2012-02-16

MICROSCOPE AND GHOSTING ELIMINATION METHOD

#21
20110188053
2011-08-04

Focusing methods and optical systems and assemblies using the same

#22
20090256058
2009-10-15

Automatic focus control unit, electronic device and automatic focus control method

#23
20080135724
2008-06-12

Microscope automatic focusing device and method thereof

#24
20070258084
2007-11-08

Focal point detection apparatus

#25
20070252984
2007-11-01

Autofocus mechanism for spectroscopic system

#26
20070164194
2007-07-19

Observation apparatus with focal position control mechanism

#27
20070081153
2007-04-12

Focusing system and method