ClassID:

175945

G03B21/53 - CPC Classification

Classification description:

Projectors or projection-type viewers; Accessories therefor; Details Means for automatic focusing, e.g. to compensate thermal effects

Recent Application in this class:
#1
20260110956
2026-04-23

FOCUSING CONTROL METHOD, APPARATUS, PROJECTOR, AND STORAGE MEDIUM

#2
20250093757
2025-03-20

PROJECTION DEVICE

#3
20250068048
2025-02-27

PROJECTION DEVICE AND AUTO-FOCUS METHOD THEREOF

#4
20240419061
2024-12-19

PROJECTION APPARATUS AND PROJECTING METHOD

#5
20240329511
2024-10-03

RANGE-BASED FOCUS ASSISTANCE FOR PROJECTION OPTICS

#6
20240319572
2024-09-26

REMOTE PROJECTOR ALIGNMENT SYSTEM FOR SPHERICAL PROJECTION SYSTEM

#7
20230400756
2023-12-14

PROJECTION APPARATUS AND CALIBRATION METHOD

#8
20230251560
2023-08-10

PROJECTION DISPLAY APPARATUS

#9
20230213845
2023-07-06

PROJECTION APPARATUS

#10
20230186651
2023-06-15

Control device, projection system, control method, and program

#11
20230152676
2023-05-18

Focusing module and projection apparatus

#12
20230059482
2023-02-23

ELECTRONIC DEVICE AND CONTROL METHOD THEREOF

#13
20230048798
2023-02-16

Video communications apparatus and method

#14
20230043860
2023-02-09

Ultra-short focus projecting optical system and projection device

#15
20230033152
2023-02-02

Bidirectional compensation method and apparatus for projection thermal defocusing, and readable storage medium

#16
20220406176
2022-12-22

Traffic Support Systems and Methods

#17
20220283401
2022-09-08

SYSTEM AND METHOD FOR DYNAMICALLY ADJUSTING MAXIMUM SETTING MAGNIFICATION OF OPTICAL LENS AND NON-TRANSITORY COMPUTER READABLE MEDIUM

#18
20220239871
2022-07-28

Projector focusing method and projector focusing system capable of projecting high resolution images at arbitrary positions

#19
20220171272
2022-06-02

Autofocus projection apparatus having focal-length fine adjustment, and projection light engines including the same

#20
20220082370
2022-03-17

Electronic apparatus for controlling a projector to project an image onto a screen at an actual size length, control method thereof and computer readable storage medium

#21
20220075249
2022-03-10

METHOD AND APPARATUS FOR CONTROLLING FOCUSING ASSEMBLY, FOCUSING ASSEMBLY, AND PROJECTOR

#22
20220053172
2022-02-17

Projection method and projection apparatus

#23
20210360207
2021-11-18

Projection method and projection device

#24
20210356850
2021-11-18

Projection optical apparatus, projector, and method for projection optical apparatus that suppresses degredation of a resin lens

#25
20210243414
2021-08-05

Projection display apparatus and method of controlling the same

#26
20210080687
2021-03-18

Lens device

#27
20200383413
2020-12-10

Method of projecting sewing pattern pieces onto fabric

#28
20200363189
2020-11-19

Electronic apparatus, control method thereof and computer readable storage medium

#29
20200341353
2020-10-29

LCD projector optical system and projection method

#30
20200272035
2020-08-27

Adjusting mechanism and projector

#31
20200241398
2020-07-30

Projection display apparatus

#32
20200225567
2020-07-16

Projection apparatus and storage medium

#33
20200149875
2020-05-14

Displacement measuring apparatus

#34
20200149874
2020-05-14

Displacement measuring apparatus

#35
20200149873
2020-05-14

Displacement measuring apparatus

#36
20200149872
2020-05-14

Displacement measuring apparatus

#37
20200142153
2020-05-07

LENS DEVICE

#38
20190302602
2019-10-03

Projection apparatus, backlash detecting system and method thereof

#39
20190238805
2019-08-01

Projector and method for controlling projector

#40
20190191804
2019-06-27

Method of projecting sewing pattern pieces onto fabric

#41
20190182461
2019-06-13

Underwater image projection system and method

#42
20190163044
2019-05-30

Projection apparatus and auto-focusing method

#43
20190103823
2019-04-04

Control device and method for controlling a piezoelectric drive device using phase difference

#44
20190097120
2019-03-28

Piezoelectric driving device, piezoelectric motor, robot, electronic-component conveying apparatus, printer, and projector

#45
20190087946
2019-03-21

Image projection system and correction method that corrects a shape of a projection plane

#46
20190079283
2019-03-14

Light module for emitting light and method for emitting visible and non-visible light

#47
20190033700
2019-01-31

Projector and projection correction method thereof

#48
20190025689
2019-01-24

Focusing method of optical machine of projector, focusing device and optical machine

#49
20190019378
2019-01-17

Interactive imaging and sensing system, device and method

#50
20190018220
2019-01-17

Projector and focus adjustment method

#51
20180356612
2018-12-13

Image projection apparatus

#52
20180284588
2018-10-04

AUTOFOCUS SYSTEM, PROJECTOR WITH AUTOFOCUS SYSTEM, AND AUTOFOCUS METHOD

#53
20180224553
2018-08-09

Projector apparatus with distance image acquisition device and projection method

#54
20180184056
2018-06-28

Projector apparatus with distance image acquisition device and projection mapping method

#55
20180173088
2018-06-21

Projection optical system and projector

#56
20180164672
2018-06-14

Image projection device

#57
20180131912
2018-05-10

Underwater image projection system and method

#58
20180120687
2018-05-03

Ranging method, automatic focusing method and device

#59
20180091784
2018-03-29

Time of flight sensing for brightness and autofocus control in image projection devices

#60
20180067384
2018-03-08

LED projection light has multiple functions

#61
20180063491
2018-03-01

Image projecting system, information processing apparatus, and method for image projecting

#62
20180041739
2018-02-08

Image display device, projector, and transmission type display device

#63
20180031960
2018-02-01

Lens module and projector using the same

#64
20170363947
2017-12-21

Image projection device

#65
20170363944
2017-12-21

Projection optical system and projector apparatus

#66
20170363834
2017-12-21

Lens unit

#67
20170332071
2017-11-16

Laser system for generation of colored three-dimensional images

#68
20170307966
2017-10-26

Lens apparatus and image projection apparatus

#69
20170295406
2017-10-12

Image information projection device and projection device control method

#70
20170070662
2017-03-09

Laser beam scanning assisted autofocus

#71
20170068153
2017-03-09

Projection type image display device and control method of projection type image display device

#72
20170045812
2017-02-16

AUTOFOCUS PROJECTION SYSTEM AND FOCUS ADJUSTMENT ASSEMBLY

#73
20160313635
2016-10-27

MEDICAL IMAGING APPARATUS AND PROJECTION DEVICE

#74
20160299415
2016-10-13

Projection optical system

#75
20160286182
2016-09-29

Underwater image projection system and method

#76
20160261858
2016-09-08

Device for generation of colored virtual three-dimensional images

#77
20160161833
2016-06-09

Head-up display device

#78
20160127722
2016-05-05

Device for generation of virtual three-dimensional images

#79
20160021351
2016-01-21

OPTICAL SYSTEM AND DEVICE HAVING OPTICAL SYSTEM

#80
20150338667
2015-11-26

Infrared interactive remote control device and projection system using same

#81
20150334362
2015-11-19

Method and apparatus for projection of BIM information

#82
20150293434
2015-10-15

Projection optical system and projector apparatus

#83
20150288936
2015-10-08

Method and apparatus for controlling focus of projector of portable terminal

#84
20150268537
2015-09-24

Projector and projection image control method

#85
20150237318
2015-08-20

Projector and method of controlling projector to display an image based on evaluation value after focus adjustment

#86
20150227032
2015-08-13

Projection apparatus and image calibration method thereof

#87
20150153638
2015-06-04

Projection type image display apparatus

#88
20150153634
2015-06-04

Underwater image projection system and method

#89
20150109589
2015-04-23

Projection system with infrared monitoring function

#90
20150055101
2015-02-26

Guide image generation device and method using parameters

#91
20150042964
2015-02-12

Projector and control method for the projector

#92
20150015854
2015-01-15

Auto-focusing projection system

#93
20140333907
2014-11-13

Lens barrel and projector

#94
20140333906
2014-11-13

Projector and portable terminal

#95
20140268064
2014-09-18

Method and apparatus for projection of BIM information

#96
20140204204
2014-07-24

Image processing apparatus, projector and projector system including image processing apparatus, image processing method

#97
20140168525
2014-06-19

Projector and control method thereof

#98
20140168376
2014-06-19

Image processing apparatus, projector and image processing method

#99
20140132938
2014-05-15

Auto-focus device, projection lens device, and image projection apparatus

#100
20140118705
2014-05-01

Projection display device, information processing device, projection display system, and program

#101
20140085617
2014-03-27

Driving device, projector, and driving method

#102
20140085613
2014-03-27

Underwater image projection controller with boundary setting and image correction modules and interface and method of using same

#103
20140071409
2014-03-13

Image processing device, projector, and image processing method

#104
20140028742
2014-01-30

Method and device for optical focusing

#105
20140022515
2014-01-23

Dual function projector

#106
20140016041
2014-01-16

Image correction system and method for multi-projection

#107
20130314388
2013-11-28

Image processing system, image processing method, and computer program product

#108
20130286362
2013-10-31

Scanning-type image display device and its image display method

#109
20130208104
2013-08-15

Custom color or polarization sensitive CCD for separating multiple signals in autofocus projection system

#110
20130201457
2013-08-08

Projection display device

#111
20130128054
2013-05-23

System and method for controlling fixtures based on tracking data

#112
20130003025
2013-01-03

Projection apparatus

#113
20120320346
2012-12-20

IMAGE DISPLAY DEVICE AND METHOD FOR CONTROLLING SAME

#114
20120314115
2012-12-13

Projector having holographic recording medium and light modulation element

#115
20120313974
2012-12-13

Mobile electronic device, image projecting method and projection system

#116
20120249501
2012-10-04

Image display apparatus for displaying GUI image and method for controlling the same

#117
20120236271
2012-09-20

Projector that acquires lens adjustment values corresponding to type of input terminal selected, and control method thereof

#118
20120236270
2012-09-20

Projector, and control method thereof

#119
20120218523
2012-08-30

PROJECTION TYPE IMAGE DISPLAY DEVICE

#120
20120182532
2012-07-19

AUTOMATIC FOCUS SYSTEM OF PROJECTOR

#121
20120176587
2012-07-12

Dynamic keystone correction

#122
20120170136
2012-07-05

PROJECTOR AND CONTROL METHOD OF PROJECTOR

#123
20120147342
2012-06-14

PROJECTION APPARATUS

#124
20120113330
2012-05-10

Computing device with imaging function and auto-focusing method for projection thereof

#125
20120106922
2012-05-03

Projection-type display device and image quality adjustment and focus adjustment control methods for the same

#126
20120086924
2012-04-12

AUTO FOCUSING MOBILE PROJECTOR AND METHOD THEREOF

#127
20120081678
2012-04-05

PROJECTION DISPLAY APPARATUS AND IMAGE ADJUSTMENT METHOD

#128
20120063013
2012-03-15

FOCUS ADJUSTING EQUIPMENT

#129
20120050701
2012-03-01

Auto-focusing projector and method for automatically focusing the projector

#130
20120050698
2012-03-01

Projection system

#131
20110267260
2011-11-03

INTERACTIVE DISPLAY APPARATUS AND OPERATING METHOD THEREOF

#132
20110242493
2011-10-06

Projection system, control method for projection system, and projection apparatus

#133
20110221781
2011-09-15

Projection device, projection device control method, and projection device control program

#134
20110199588
2011-08-18

Projector, method that adjusts luminance of projected image, and program

#135
20110188116
2011-08-04

Device for generation of three-demensional images

#136
20110181856
2011-07-28

Auto-focusing device and method for maskless exposure apparatus

#137
20110181841
2011-07-28

AUTOFOCUS IMAGE PROJECTION APPARATUS

#138
20110176230
2011-07-21

FOCUS CONTROLLING DEVICE FOR A BEAM PROJECTOR

#139
20110169509
2011-07-14

Electrostatic MEMS driver with on-chip capacitance measurement for autofocus applications

#140
20110164192
2011-07-07

PROJECTOR AND METHOD OF CONTROLLING THE SAME

#141
20110157487
2011-06-30

Projection type video display device

#142
20110116057
2011-05-19

Reflector mounting structure and projection display device

#143
20110116056
2011-05-19

Image projection apparatus having shutter mechanism for hiding projection image

#144
20110063744
2011-03-17

Focusing device for beam projector

#145
20110007227
2011-01-13

Image projection apparatus with operation image generation based on distance to the projection surface, and method for controlling the same

#146
20100328453
2010-12-30

Projector with automatic focusing and illustration procedure

#147
20100271608
2010-10-28

System and method for imaging apparatus calibration

#148
20100232035
2010-09-16

Combined gear, lens adjustment mechanism, and electronic device

#149
20100128231
2010-05-27

Projection-type display apparatus and method for performing projection adjustment

#150
20100046088
2010-02-25

Projector and control method of projector

#151
20090296050
2009-12-03

Projection type display

#152
20090268172
2009-10-29

PROJECTOR WITH AUTOFOCUS DEVICE

#153
20090244722
2009-10-01

Turning mechanism

#154
20090207384
2009-08-20

Projection apparatus and distance measurement method wherein the distance is acquired during a period of predetermined color components being emitted (As amended)

#155
20090161091
2009-06-25

Distance measuring system and projector

#156
20090091623
2009-04-09

Method and device for use in calibration of a projector image display towards a display screen, and a display screen for such use

#157
20090073323
2009-03-19

Projection apparatus and optical ranging method

#158
20090059183
2009-03-05

Distance measuring device and projector including same distance measuring device

#159
20090027633
2009-01-29

Method of calibrating projection lens

#160
20080316438
2008-12-25

Display Device

#161
20080297742
2008-12-04

Projector apparatus

#162
20080292305
2008-11-27

Projection type image display apparatus having a projection lens and a photographing lens movable by a same drive section

#163
20080239246
2008-10-02

Projector

#164
20080238640
2008-10-02

Visible in-vehicle laser beam projection system with controlled trajectories to guide vehicle operator

#165
20080231818
2008-09-25

Projector apparatus, projection control method and recording medium storing projection control program

#166
20080198338
2008-08-21

Projection distance adjustable projection display apparatus

#167
20080110265
2008-05-15

Auto-focusing method and projector using the same

#168
20080024738
2008-01-31

Projector device and portable telephone

#169
20080013055
2008-01-17

Projection unit and projection type image display apparatus

#170
20070252958
2007-11-01

Projector having automatic luminance adjusting mechanism and automatic luminance adjusting method

#171
20070252955
2007-11-01

Image projection apparatus

#172
20070201009
2007-08-30

Image display device and adjustment for alignment

#173
20070182940
2007-08-09

PROJECTION DISPLAY APPARATUS

#174
20070097328
2007-05-03

Projection system that adjusts for keystoning

#175
20070091201
2007-04-26

Displayed image capturing method and system

#176
20070071431
2007-03-29

Distance-measuring apparatus, distance-measuring method, and recording medium

#177
20060285089
2006-12-21

Projector and focus adjustment method

#178
20060256299
2006-11-16

Projection apparatus and distance measuring method for projection apparatus

#179
20060197924
2006-09-07

Distance adjusting apparatus and optical assembly of a projector having the same

#180
20060192926
2006-08-31

Video projector and optical engine

#181
20060098294
2006-05-11

Image display device and adjustment for alignment

#182
20060087626
2006-04-27

Projector alignment method and user interface

#183
20060082740
2006-04-20

Auto adjustment video projector (AAVP)

#184
20050259226
2005-11-24

Methods and apparatuses for presenting an image

#185
20050195375
2005-09-08

Projection type display apparatus

#186
20050190343
2005-09-01

Projector, range finding method, and recording medium on which range finding method is recorded

#187
20050099609
2005-05-12

Projector with auto focus device

#188
20050083491
2005-04-21

Image display device and adjustment for alignment

#189
20050078203
2005-04-14

Projecting apparatus with shooting function, program for controlling projecting apparatus with shooting function, and projection image shooting system

#190
20050024606
2005-02-03

Projection system that adjusts for keystoning

#191
16377132
2020-04-07

System, method and device for a long range, real size weapon systems plume simulator for testing optical detection devices in the field

#192
14949276
2017-09-12

Automatic projection focusing