ClassID:

81371

B65H2553/41 - CPC Classification

Classification description:

Sensing or detecting means using optical, e.g. photographic, elements Photoelectric detectors

Sub-classes:
Recent Application in this class:
#1
20260084912
2026-03-26

SHEET TRANSPORT DEVICE, SHEET READING DEVICE, AND IMAGE FORMING APPARATUS

#2
20260015781
2026-01-15

METHOD FOR IN-LINE TREATMENT OF A THREAD AND A SYSTEM THEREFORE COMPRISING A TREATMENT UNIT AND A THREAD SPEED SENSOR

#3
20250296804
2025-09-25

MEDIUM PROCESSING APPARATUS AND IMAGE FORMING SYSTEM INCORPORATING SAME

#4
20250296802
2025-09-25

MEDIUM PROCESSING APPARATUS AND IMAGE FORMING SYSTEM INCORPORATING SAME

#5
20250270063
2025-08-28

DOCUMENT CONVEYING DEVICE

#6
20250230004
2025-07-17

SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS

#7
20250206555
2025-06-26

SHEET CONVEYANCE APPARATUS, SHEET PROCESSING APPARATUS, AND IMAGE FORMING APPARATUS

#8
20250197146
2025-06-19

FRICTION TRANSPORT DEVICE AND PAPER SHEET TRANSPORT DEVICE

#9
20250163624
2025-05-22

COMPOUND EQUIPMENT OF LATEX-FREE TUFTED CARPET

#10
20250127345
2025-04-24

DRY AND WET TISSUE MACHINE AND CONTROL METHOD THEREOF

#11
20250083913
2025-03-13

SHEET CONVEYING DEVICE

#12
20250076037
2025-03-06

METHOD FOR DETERMINING THE FLATNESS OF FLEXIBLE WEB MATERIAL, METHOD FOR EVALUATING THE FLATNESS OF WEB MATERIAL, FLATNESS MEASURING ARRANGEMENT AND BLOWN FILM LINE WITH SUCH A FLATNESS MEASURING DEVICE

#13
20250066152
2025-02-27

AUTOMATIC TAPE PROCESSING DEVICE AND REEL LOADING DEVICE

#14
20250066150
2025-02-27

SHEET STATE DETECTION DEVICE AND IMAGE FORMING SYSTEM

#15
20240336449
2024-10-10

Processing machine and method for aligning a substrate in a processing machine

#16
20240327159
2024-10-03

Processing machines and methods for the relative alignment of a substrate with respect to a processing unit in a processing machine

#17
20240319653
2024-09-26

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE SAME

#18
20240253923
2024-08-01

SHEET PROCESSING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE FORMING SYSTEM

#19
20240228218
2024-07-11

PRINTING APPARATUS

#20
20240208763
2024-06-27

Surface Characterization Module and System Including Same

#21
20240076158
2024-03-07

APPARATUS FOR PROCESSING SHEETS

#22
20230174330
2023-06-08

Printing device with document managing function and document managing method thereof

#23
20230166935
2023-06-01

PRINTING APPARATUS

#24
20230150782
2023-05-18

Sheet conveying device

#25
20230142336
2023-05-11

Sheet conveyance apparatus, sheet processing apparatus, and image forming apparatus

#26
20230075859
2023-03-09

STACK-OF-SHEETS PACKAGE

#27
20230009567
2023-01-12

Image forming apparatus and control program

#28
20220343714
2022-10-27

Information processing device and information processing system

#29
20220227598
2022-07-21

Printing apparatus

#30
20220112045
2022-04-14

Finishing system, piercing member abnormality determination device, and recording medium

#31
20220034010
2022-02-03

A METHOD FOR IN-LINE TREATMENT OF A THREAD AND A SYSTEM THEREFORE COMPRISING A TREATMENT UNIT AND A THREAD SPEED SENSOR

#32
20220033210
2022-02-03

Medium transport device, control method, and control program

#33
20210263460
2021-08-26

Image forming device and medium detecting mechanism thereof

#34
20210198070
2021-07-01

Sheet conveyance apparatus and image forming apparatus

#35
20210039899
2021-02-11

Stack height in imaging devices

#36
20210032055
2021-02-04

Sheet feeding device and image forming apparatus

#37
20200407182
2020-12-31

Feed module

#38
20200310315
2020-10-01

IMAGE FORMING APPARATUS

#39
20200192263
2020-06-18

Image forming apparatus

#40
20200172370
2020-06-04

Medium transporting device, image reading apparatus, and transporting control method

#41
20200073317
2020-03-05

Sheet conveyance apparatus and image forming apparatus

#42
20200039770
2020-02-06

FEEDER MODULE

#43
20190291993
2019-09-26

Sheet feed apparatus and image processing apparatus

#44
20190287353
2019-09-19

Method of forming a lottery ticket with a translucent substrate

#45
20190233233
2019-08-01

Sheet detection mechanism and image forming apparatus equipped therewith

#46
20190185286
2019-06-20

Post-processing apparatus, control method therefor, and non-transitory computer-readable storage medium

#47
20190161309
2019-05-30

Sensor for detecting at least one edge of a running product web

#48
20190112136
2019-04-18

Device for feeding papers

#49
20190030926
2019-01-31

Printer

#50
20180370745
2018-12-27

Paper sheet processing device and paper sheet processing method

#51
20180350182
2018-12-06

Temporary paper money storage device and control method thereof

#52
20180311923
2018-11-01

METHOD AND APPARATUS FOR MANUFACTURING A DECORATED PACKAGING MATERIAL, AND A PACKAGING MATERIAL

#53
20180264855
2018-09-20

Roll medium transport apparatus, printing apparatus, and setting method for roll medium

#54
20180257407
2018-09-13

Sheet supplying apparatus and printing apparatus

#55
20180257405
2018-09-13

Sheet supplying apparatus and printing apparatus

#56
20180215179
2018-08-02

Transport device and printing apparatus

#57
20180118488
2018-05-03

Sheet detection mechanism and image forming apparatus equipped therewith

#58
20180111775
2018-04-26

Splicing device and tape detecting method using the same

#59
20180029823
2018-02-01

Thread feeder of rotary drum type with detection of the density of thread present thereon

#60
20180029818
2018-02-01

Banknote rolling-out control method and apparatus, and banknote storage device

#61
20170327337
2017-11-16

WEB CALIPER MEASUREMENT AND CONTROL SYSTEM

#62
20170305698
2017-10-26

Deskewing media

#63
20170305696
2017-10-26

Media flag

#64
20170197442
2017-07-13

Media conveyance device, printer, and control method of a media conveyance device

#65
20170137245
2017-05-18

Document conveying apparatus, determination method, and computer-readable, non-transitory medium

#66
20170106682
2017-04-20

Printing apparatus

#67
20170106681
2017-04-20

Guide device for guiding a printed medium onto a take-up roll in a printing system

#68
20170088387
2017-03-30

Recording medium processing apparatus

#69
20170028750
2017-02-02

Image recording device and image recording method

#70
20160368728
2016-12-22

Automatic document feeding device

#71
20160308240
2016-10-20

Winding device, winding method, inspection device and structure manufacturing method in which a position of stuck together first and second wound sheets are detected via interference light generated using reflected reference light from a reference surface

#72
20160297218
2016-10-13

Tape cartridge and tape printing apparatus

#73
20160289027
2016-10-06

Image forming apparatus

#74
20160257514
2016-09-08

Method for automated position detection by defining an evaluation region of a register sensor

#75
20160236889
2016-08-18

Image forming system with selective skew correction of continuous sheets, image forming apparatus with selective skew correction of continuous sheets, and skew correction method

#76
20160221780
2016-08-04

Sheet discriminator and image forming apparatus incorporating same

#77
20160185559
2016-06-30

Sheet processing device, method for controlling sheet processing device, program, and storage medium for executing stapling processing in response to an execution key pressed by a user

#78
20160167816
2016-06-16

Device for applying around groups of two or more containers a tape provided on one surface with adhesive without discontinuities

#79
20160167409
2016-06-16

Recording apparatus and recording method

#80
20160137447
2016-05-19

Conveyor mechanism and a method for adjusting a conveyor mechanism

#81
20160114601
2016-04-28

Image recording device and image recording method

#82
20160090255
2016-03-31

Medium detection mechanism, medium detection method, and printing apparatus

#83
20160033918
2016-02-04

Sheet conveying device and image forming apparatus

#84
20150307311
2015-10-29

Image forming apparatus

#85
20150284211
2015-10-08

Method for determining the winding quality of a film roll

#86
20150239698
2015-08-27

Systems and methods for implementing removal of detected wrinkling for web printing in a post processing device of an image forming system

#87
20150207304
2015-07-23

Control system for electrical cord reel

#88
20150151938
2015-06-04

Sheet discriminator, image forming apparatus incorporating same, and image forming system incorporating same to distinguish sheet types

#89
20150102551
2015-04-16

Detection apparatus and image forming apparatus

#90
20150034757
2015-02-05

Diameter measurement of a roll of material in a winding system

#91
20140339763
2014-11-20

Fixing device, image forming apparatus, and sheet detecting mechanism

#92
20140291438
2014-10-02

Recording apparatus

#93
20140099394
2014-04-10

Print pitch correcting apparatus for plastic film

#94
20140060432
2014-03-06

Printing device for controlling print head based on oblique lines on print medium

#95
20140035984
2014-02-06

Wrinkle elimination for solid inkjet web printer

#96
20130292899
2013-11-07

System and method for identification of media sheet size

#97
20130269555
2013-10-17

Method and apparatus for spreader nip balancing in a print system

#98
20130175312
2013-07-11

Meandering correction apparatus of a continuous sheet associated with an absorbent article

#99
20130136517
2013-05-30

Image forming apparatus

#100
20130099442
2013-04-25

Medium accumulating device with accumulation table detector

#101
20130032654
2013-02-07

Control system for electrical cord reel

#102
20120298787
2012-11-29

Rear discharge mat rolling machine

#103
20120100978
2012-04-26

Unit and method for feeding reels of a sheet-like material, in particular but not exclusively a printed plastic film with print-position marks for automatic packaging machines

#104
20120062675
2012-03-15

Paper conveyance device and printer

#105
20110240788
2011-10-06

Sheet conveyance unit and image forming apparatus including same

#106
20110233855
2011-09-29

Document handling apparatus

#107
20110180694
2011-07-28

Optical sensor for detecting valuable documents and method for keeping a sensor window of the sensor clean

#108
20110097130
2011-04-28

Printer and method for controlling the same

#109
20100329833
2010-12-30

Multi-mode unstacker device for unstacking mailpieces

#110
20100301550
2010-12-02

IMAGE FORMING APPARATUS AND CURL DETECTING METHOD

#111
20100225051
2010-09-09

Inline skew and lateral measurement of a sheet during printing

#112
20100221058
2010-09-02

Printer with multi-curved intermediate transportation path

#113
20100165326
2010-07-01

Method and apparatus for detecting microscope slide coverslips

#114
20100102499
2010-04-29

Feeding apparatus with switching pickup roller and brake roller

#115
20100052237
2010-03-04

Document handling apparatus

#116
20100013142
2010-01-21

Transport for singulating items

#117
20090309298
2009-12-17

Systems and methods for determining skew contribution in lateral sheet registration

#118
20090278307
2009-11-12

Document handling apparatus

#119
20090184460
2009-07-23

Device for automatically jogging mailpieces

#120
20090152800
2009-06-18

Method and apparatus for monitoring the singling of sheet material

#121
20090033030
2009-02-05

Sheet conveying apparatus and image forming apparatus

#122
20090008860
2009-01-08

AUTOMATIC DOCUMENT FEEDER HAVING DOCUMENT SIZE DETECTING DEVICE

#123
20080303204
2008-12-11

PAPER FEEDING DEVICE

#124
20080284084
2008-11-20

Method and device for opening printed products

#125
20080224389
2008-09-18

Sheet abnormality detection apparatus and method

#126
20080162057
2008-07-03

Low-paper sensor using rollers

#127
20080122167
2008-05-29

Unknown

#128
20080122163
2008-05-29

Media feeding and width sensing methods and apparatus for printing systems

#129
20080122159
2008-05-29

Device for automatically loading envelopes

#130
20080054545
2008-03-06

Document sorting machine

#131
20080054544
2008-03-06

Document sorting machine

#132
20080053875
2008-03-06

Document sorting machine

#133
20080036139
2008-02-14

Non-contact sensing system

#134
20080030811
2008-02-07

Sheet conveying apparatus, sheet conveying method, and image forming apparatus

#135
20080023126
2008-01-31

Method and Apparatus for Splicing Webs

#136
20080004746
2008-01-03

Live tape position sensor

#137
20070291093
2007-12-20

Printing apparatus and printing medium roll-up state discrimination method

#138
20070278138
2007-12-06

Document Sorting Machine

#139
20070257423
2007-11-08

Registration of tab media

#140
20070170640
2007-07-26

Image forming apparatus

#141
20070090583
2007-04-26

Sloped stack detection sensor and algorithm

#142
20070057429
2007-03-15

Image forming apparatus, image forming method, and bypass sheet supplier capable of regulating and supplying recording medium

#143
20070051744
2007-03-08

Apparatus and method for dispensing bags

#144
20070007709
2007-01-11

Paper feeding device with independent pickup rollers

#145
20060267272
2006-11-30

Platen for cut sheet feeder

#146
20060208418
2006-09-21

Pickup error-sensing apparatus of image forming apparatus and method therefor

#147
20060208415
2006-09-21

Pickup error-sensing apparatus of image forming apparatus and method therefor

#148
20060145102
2006-07-06

Process and apparatus to control the integrity of a planar substrate

#149
20060087070
2006-04-27

Media tray stack height sensor with continuous height feedback and discrete intermediate and limit states

#150
20050235847
2005-10-27

Sheet-fed printing press

#151
20050175439
2005-08-11

Stacking device for strip sections, in particular for textile strip sections provided with end folds

#152
20050154485
2005-07-14

Autosetpoint registration control system and method associated with a web converting manufacturing process

#153
20050098622
2005-05-12

Dispensing of currency

#154
20050051949
2005-03-10

Image forming device having a sensor with two separate distinguishable triggers

#155
20050043841
2005-02-24

Manufacturing information and troubleshooting system and method

#156
20050035534
2005-02-17

Paper feeding device

#157
20050017436
2005-01-27

Indication structure for paper reserves adapted for auto document feed apparatus

#158
19194864
2026-05-12

Systems and methods for scraping physical media elements using presence-based operation

#159
16009882
2019-09-10

Sensor assembly calibration

#160
13743590
2014-06-17

Rotatable and translatable mechanical flag