ClassID:

81369

B65H2553/30 - CPC Classification

Classification description:

Sensing or detecting means using acoustic or ultrasonic elements

Recent Application in this class:
#1
20260135958
2026-05-14

ULTRASONIC DEVICE, MULTI-FEED DETECTOR, CONVEYING DEVICE, AND SCANNER

#2
20260003088
2026-01-01

Ultrasonic Device, Multi-Feed Detector, Transport Device, And Scanner

#3
20250361106
2025-11-27

PAPER JAM INDICATION DETECTION DEVICE, PAPER JAM INDICATION DETECTION METHOD, AND RECORDING MEDIUM

#4
20250304389
2025-10-02

MEASURING SYSTEM AND IMAGE FORMING SYSTEM

#5
20250289682
2025-09-18

POST-PROCESSING APPARATUS AND IMAGE FORMING APPARATUS

#6
20250277771
2025-09-04

PAPER SHEET HANDLING APPARATUS AND FOREIGN SUBSTANCE DETECTION METHOD

#7
20250276864
2025-09-04

MEDIUM TRANSPORT DEVICE AND IMAGE READING APPARATUS

#8
20250270066
2025-08-28

AUTOMATIC DOCUMENT FEEDER AND IMAGE FORMING APPARATUS

#9
20250051118
2025-02-13

MEDIUM TRANSPORT DEVICE AND IMAGE READING DEVICE

#10
20250051117
2025-02-13

MEDIUM TRANSPORT DEVICE AND IMAGE READING DEVICE

#11
20250019106
2025-01-16

APPARATUS FOR THE TRACK INDIVIDUAL PROVISION OF SHEET MATERIAL FOR PLACING UNDERNEATH

#12
20240317538
2024-09-26

MEDIUM DISCHARGE DEVICE, CONTROL METHOD, AND CONTROL PROGRAM

#13
20240317521
2024-09-26

MEDIA CONVEYING APPARATUS, CONTROL METHOD, AND NON-TRANSITORY RECORDING MEDIUM

#14
20240300760
2024-09-12

SHEET CONVEYING DEVICE, AUTOMATIC DOCUMENT FEEDER, AND IMAGE FORMING APPARATUS

#15
20240294346
2024-09-05

SHEET CONVEYING DEVICE, AUTOMATIC DOCUMENT FEEDER, AND IMAGE FORMING APPARATUS

#16
20240272573
2024-08-15

IMAGE FORMING APPARATUS

#17
20240199356
2024-06-20

SHEET FOLDING MACHINE WITH WASTE PRODUCT REMOVAL

#18
20240158193
2024-05-16

SHEET CONVEYANCE APPARATUS AND IMAGE FORMING APPARATUS

#19
20240150054
2024-05-09

Apparatus for the track individual provision of sheet material for placing underneath

#20
20240083702
2024-03-14

Medium conveying apparatus for controlling current limit value of DC motor

#21
20240067484
2024-02-29

SHEET CONVEYING DEVICE, AUTOMATIC DOCUMENT FEEDER, AND IMAGE FORMING APPARATUS

#22
20240059516
2024-02-22

PAPER JAM INDICATION ESTIMATION DEVICE, PAPER JAM INDICATION ESTIMATION METHOD, AND RECORDING MEDIUM

#23
20240034584
2024-02-01

MEDIUM CONVEYING APPARATUS TO DETECT MULTI-FEED BASED ON CONTINUOUS OVERLAP PORTION

#24
20240027291
2024-01-25

SYSTEMS AND METHODS FOR MEASURING TENSION DISTRIBUTION IN WEBS OF ROLL-TO-ROLL PROCESSES

#25
20240027290
2024-01-25

SYSTEMS AND METHODS FOR MEASURING TENSION DISTRIBUTION IN WEBS OF ROLL-TO-ROLL PROCESSES

#26
20240025680
2024-01-25

MEDIUM CONVEYING APPARATUS TO DETECT PREDETERMINED MEDIUM BASED ON LIFT OF MEDIUM

#27
20240002181
2024-01-04

MEDIUM CONVEYANCE DEVICE, CONTROL METHOD, AND CONTROL PROGRAM

#28
20240002180
2024-01-04

Automatic document feeder, image forming apparatus, and fault detection method

#29
20230391576
2023-12-07

TAPE AFFIXING APPARATUS

#30
20230373745
2023-11-23

UNWINDER WITH AUTOMATIC SWITCHING OF THE UNWINDING ROLL

#31
20230312285
2023-10-05

Image reading apparatus, image forming apparatus, and image reading method

#32
20230303351
2023-09-28

FEEDING DEVICE AND IMAGE FORMING APPARATUS

#33
20230130089
2023-04-27

Feeding device that calculates rigidity of sheet according to curvature information outputted by sheet sensor

#34
20230130002
2023-04-27

Feeder equipped with actuator having reflective surface where space propagating energy reflects and pivotable by abutment against sheet being conveyed and image forming apparatus

#35
20230091074
2023-03-23

MEDIUM CONVEYANCE DEVICE, CONTROL METHOD, AND CONTROL PROGRAM

#36
20230070418
2023-03-09

Image processing apparatus

#37
20230057854
2023-02-23

Recording apparatus and transport apparatus

#38
20230017851
2023-01-19

PROCESSING SYSTEM

#39
20220356024
2022-11-10

Sheet conveying device

#40
20220306418
2022-09-29

PAPER JAM INDICATION DETECTION DEVICE, PAPER JAM INDICATION DETECTION METHOD, AND RECORDING MEDIUM

#41
20220281703
2022-09-08

Medium conveying apparatus to detect multi-feed based on continuous overlap portion

#42
20220274795
2022-09-01

Medium conveying apparatus to execute abnormality processing for multi-feed based on overlap detection width

#43
20220274794
2022-09-01

Medium conveying apparatus to determine whether overlap detection is valid or invalid based on position of end of medium

#44
20220258997
2022-08-18

Medium conveying apparatus to determine whether multi-feed has occurred based on whether outer shape of object area in input image is rectangular

#45
20220258996
2022-08-18

Medium conveying apparatus to change determination threshold for multi-feed of medium according to size of overlap area in medium

#46
20220210279
2022-06-30

Image reading apparatus and multi-sheet feed detection method with detection based on rise of driving voltage and change amount of received ultrasonic wave

#47
20220197204
2022-06-23

Image forming apparatus

#48
20220177256
2022-06-09

System and method for determining stacking and sorting quality in machine apparatus that process media

#49
20220144465
2022-05-12

Apparatus for the track individual provision of sheet material for placing underneath

#50
20220073302
2022-03-10

Double feeding detection device, control method, and control program

#51
20220066378
2022-03-03

Image forming apparatus that identifies sheet thickness

#52
20220033209
2022-02-03

IMAGE READING DEVICE, MULTI-FEED DETECTING METHOD, AND MULTI-FEED DETECTING PROGRAM

#53
20220017318
2022-01-20

Medium conveying apparatus for controlling current limit value of DC motor

#54
20210371223
2021-12-02

Recording medium conveyance device, recording medium conveyance method and non-transitory computer-readable recording medium encoded with recording medium conveyance instructions

#55
20210198070
2021-07-01

Sheet conveyance apparatus and image forming apparatus

#56
20210188577
2021-06-24

Feeder for feeding document to document imaging system and method for feeding documents

#57
20210163245
2021-06-03

Ultrasonic apparatus, detection apparatus, and printing apparatus

#58
20210155439
2021-05-27

Medium feeding apparatus, image reading apparatus, and medium feeding method in medium feeding apparatus

#59
20210147166
2021-05-20

PRINT DEVICES

#60
20210061603
2021-03-04

IMAGE FORMING DEVICE

#61
20210061601
2021-03-04

CONVEYOR

#62
20210032057
2021-02-04

Transport apparatus

#63
20200407182
2020-12-31

Feed module

#64
20200361731
2020-11-19

Automatic Document Feeder Multi-Feed Corrector

#65
20200361730
2020-11-19

Sheet conveyance device and method for controlling sheet conveyance device

#66
20200310315
2020-10-01

IMAGE FORMING APPARATUS

#67
20200307935
2020-10-01

Sheet conveyance apparatus, image reading apparatus, and image forming apparatus

#68
20200283252
2020-09-10

Transport device

#69
20200231400
2020-07-23

MACHINE FOR FEEDING TAPE MATERIAL

#70
20200231396
2020-07-23

DETERMINING DEVICE, CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS

#71
20200189868
2020-06-18

Image forming apparatus

#72
20190389679
2019-12-26

Paper conveyance device and method of controlling paper conveyance device

#73
20190367315
2019-12-05

Image scanner

#74
20190344987
2019-11-14

Multi-feed detection device and electronic device

#75
20190283995
2019-09-19

Inspection device and inspection method

#76
20190283466
2019-09-19

Ultrasonic sensor and electronic device

#77
20190256309
2019-08-22

Medium feeding device and image reading apparatus

#78
20190248611
2019-08-15

Medium processing apparatus and control method of medium processing apparatus

#79
20190161309
2019-05-30

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

#80
20190100395
2019-04-04

Paper warping detection device and paper warping detection method applied therein

#81
20190064718
2019-02-28

Image-forming apparatus and recording material identification unit

#82
20190063901
2019-02-28

Image forming apparatus

#83
20190062091
2019-02-28

Multifeed detection device and image reading apparatus

#84
20190002225
2019-01-03

Image reading apparatus

#85
20180334343
2018-11-22

Transporting apparatus

#86
20180327204
2018-11-15

Feeder for feeding document to document imaging system and method for feeding documents

#87
20180208420
2018-07-26

System and method for metallic object detection in a media transport system

#88
20180194580
2018-07-12

Conveyance apparatus, reading apparatus, image forming apparatus and image forming system

#89
20180162665
2018-06-14

Sheet feeding device, image forming apparatus, sheet feeding method

#90
20180143015
2018-05-24

Sheet processing apparatus

#91
20180104926
2018-04-19

Sheet binding processing apparatus, sheet post-processing apparatus having the sheet binding processing apparatus, and image forming system having the sheet post-processing apparatus

#92
20180002131
2018-01-04

Folded media detection and processing

#93
20170341890
2017-11-30

Sheet feeder, and method and computer-readable medium therefor

#94
20170267479
2017-09-21

Auxiliary device for aligning a winding sleeve as well as methods for aligning a winding sleeve

#95
20170158447
2017-06-08

System and method for metallic object detection in a media transport system

#96
20170146653
2017-05-25

Ultrasonic detection system

#97
20170113891
2017-04-27

Detection of process abnormalities in a media processing system

#98
20170057768
2017-03-02

Sheet conveyance apparatus that detects overlapping of plurality of sheets, and image reading apparatus

#99
20170008716
2017-01-12

Device and method for feeding papers

#100
20160304305
2016-10-20

System and method for metallic object detection in a media transport system

#101
20160304304
2016-10-20

System and method for metallic object detection in a media transport system

#102
20160272451
2016-09-22

Mark detection method using printing apparatus and printing apparatus

#103
20160255225
2016-09-01

Sheet conveyance device, image reading device, image forming apparatus, and sensor unit

#104
20160251183
2016-09-01

Paper conveying apparatus, jam detection method, and computer-readable, non-transitory medium

#105
20160194168
2016-07-07

Multi-feed detection apparatus, sheet conveyance apparatus, and image forming apparatus

#106
20160185544
2016-06-30

System and method for metallic object detection in a media transport system

#107
20160159597
2016-06-09

Sheet conveyer device

#108
20160136977
2016-05-19

Transportation apparatus and recording apparatus

#109
20160114994
2016-04-28

Sheet conveyance apparatus and image forming apparatus

#110
20160109843
2016-04-21

Audio detection of medium jam

#111
20160075589
2016-03-17

Methods and apparatus for conveying a glass ribbon

#112
20160060056
2016-03-03

Sheet conveying apparatus which detects multiple feed

#113
20150291376
2015-10-15

Feeder for feeding document to document imaging system and method for feeding documents

#114
20150284211
2015-10-08

Method for determining the winding quality of a film roll

#115
20150260688
2015-09-17

Sheet conveying device, image forming apparatus, and method of determining whether multi-feed has occurred

#116
20150251465
2015-09-10

Image recording apparatus and sheet transfer method

#117
20150048566
2015-02-19

Sheet material conveying device, image scanning device, and image forming apparatus

#118
20140360275
2014-12-11

Self-adjusting audio detection of medium jam

#119
20140252917
2014-09-11

Laminated piezoelectric element and multi-feed detection sensor

#120
20140197594
2014-07-17

Paper discharge device

#121
20140103601
2014-04-17

Sheet conveyer and image reading apparatus

#122
20140091516
2014-04-03

Multi-feed detection apparatus, sheet conveyance apparatus, and sheet processing apparatus

#123
20140079460
2014-03-20

Image unit with guide unit movable in direction perpendicular to conveyance path

#124
20140077446
2014-03-20

Paper conveying apparatus, jam detection method, and computer-readable, non-transitory medium

#125
20140077445
2014-03-20

Paper conveying apparatus, abnormality detection method, and computer-readable, non-transitory medium

#126
20140077440
2014-03-20

Paper conveyance apparatus

#127
20140054850
2014-02-27

Paper conveying apparatus, jam detection method, and computer-readable, non-transitory medium

#128
20140027971
2014-01-30

Sheet feeder that detects multi-feed of sheets and image forming apparatus

#129
20130308427
2013-11-21

Apparatus for detecting an edge of a material web

#130
20130216291
2013-08-22

Sheet feeding device and image forming apparatus

#131
20130152689
2013-06-20

Method and device for the detection of recording media

#132
20130148990
2013-06-13

Recording material determination apparatus and image forming apparatus

#133
20130140766
2013-06-06

Combined ultrasonic-based multifeed detection method and sound-based damage detection method

#134
20130140760
2013-06-06

Combined ultrasonic-based multifeed detection system and sound-based damage detection system

#135
20130140757
2013-06-06

SOUND-BASED DAMAGE DETECTION

#136
20130134655
2013-05-30

Sheet conveyer

#137
20130069299
2013-03-21

Sheet transport apparatus and sheet transport method

#138
20130059707
2013-03-07

MACHINE FOR PRODUCING CARDBOARD CUTOUTS

#139
20130051818
2013-02-28

Ultrasonic wave detection apparatus, recording material determination apparatus, and image forming apparatus

#140
20130048725
2013-02-28

System for processing folded documents

#141
20130015623
2013-01-17

Decolorizing device and method for controlling decolorizing device

#142
20120313312
2012-12-13

Sorting by controlling scanned document velocity

#143
20120307282
2012-12-06

Sheet feeding apparatus

#144
20120269566
2012-10-25

Image processing device and sheet feeding mechanism

#145
20120251270
2012-10-04

BOOK BLOCK FINISHING MACHINE

#146
20120235929
2012-09-20

Paper feeding device, image scanning device, paper feeding method and computer readable medium

#147
20120211586
2012-08-23

Method and apparatus for aligning a paper roll

#148
20120138676
2012-06-07

Card activated cash dispensing automated banking machine

#149
20120002988
2012-01-05

Recording material determination apparatus and image forming apparatus

#150
20110317230
2011-12-29

Sheet detecting device, double feed determining device, and image reading apparatus using the same

#151
20110282487
2011-11-17

Multifeed processing apparatus with measuring unit for multifeed detection pattern

#152
20110278791
2011-11-17

Multifeed processing apparatus, multifeed processing method, and multifeed processing program

#153
20110278790
2011-11-17

Image reading apparatus, multifeed determining method, and multifeed determining program

#154
20110278786
2011-11-17

Image reading apparatus, multifeed determining method, and multifeed determining program

#155
20110254219
2011-10-20

Feeder for feeding document to document imaging system and method for feeding documents

#156
20110238423
2011-09-29

SONIC DOCUMENT CLASSIFICATION

#157
20110238422
2011-09-29

METHOD FOR SONIC DOCUMENT CLASSIFICATION

#158
20110226061
2011-09-22

Sheet processing device

#159
20110221853
2011-09-15

Device detecting curl of sheet and image erasing device

#160
20110221117
2011-09-15

IMAGE ERASING APPARATUS AND SHEET CARRYING METHOD OF IMAGE ERASING APPARATUS

#161
20110084443
2011-04-14

SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS, AND METHOD OF DETECTING DOUBLE-FEED OF SHEET

#162
20110079953
2011-04-07

DOUBLE FEEDING DETECTION APPARATUS, AUTO SHEET FEEDER AND DOUBLE FEED DETECTION METHOD

#163
20110074086
2011-03-31

Decolorizing device and method for controlling decolorizing device

#164
20110069359
2011-03-24

Apparatus and method for detecting and compensating for multi-fed document scanning errors

#165
20100295241
2010-11-25

Image forming apparatus

#166
20100243729
2010-09-30

Banking system that operates responsive to data read from data bearing records

#167
20100231897
2010-09-16

Web inspection calibration system and related methods

#168
20100209688
2010-08-19

Winding state evaluation method for tape film and winding method for tape film

#169
20100163154
2010-07-01

CORRUGATOR, AND ITS SPLICING PORTION DETECTING METHOD AND DEVICE

#170
20100148426
2010-06-17

Printing apparatus having optical sensor unit

#171
20100128261
2010-05-27

DEVICE FOR DETECTING AND CLASSIFYING RESIDUAL OXIDE IN METAL SHEET PRODUCTION LINES

#172
20090303484
2009-12-10

Web inspection calibration system and related methods

#173
20090230617
2009-09-17

Duplicate feeding detection device for sheet-like member

#174
20090152800
2009-06-18

Method and apparatus for monitoring the singling of sheet material

#175
20090127375
2009-05-21

Device for covering a danger area on a roll changer and a method for controlling a device

#176
20090115126
2009-05-07

Feed detecting system

#177
20090085284
2009-04-02

Overlapped conveyance detection apparatus for printing sheet

#178
20090072475
2009-03-19

Sheet overlap detection apparatus and sheet overlap detection method

#179
20090050826
2009-02-26

Method and device for the contactless detection of flat objects

#180
20090003857
2009-01-01

Recording material determination apparatus and image forming apparatus

#181
20080295598
2008-12-04

Sensing a paper roll ultrasonically

#182
20080290584
2008-11-27

Method of operating a document feeding mechanism to detect and recover from a multi-feed condition and an apparatus therefor

#183
20080289422
2008-11-27

Ultrasonic sensor system for web-guiding apparatus

#184
20080277860
2008-11-13

Sheet-conveying apparatus and method for detection of multifeed thereof

#185
20080224390
2008-09-18

Multiple sheet detector apparatus and method

#186
20080203654
2008-08-28

PAPER MULTI-FEED DETECTION APPARATUS AND PAPER MULTI-FEED DETECTION METHOD

#187
20080106027
2008-05-08

Sheet feeding apparatus, and document feeding apparatus and image processing apparatus including the same

#188
20080088084
2008-04-17

Double feed detecting device and method of controlling the double feed detecting device

#189
20080072672
2008-03-27

System and method for sensing a paper roll ultrasonically

#190
20080036138
2008-02-14

Reflective sheet detector

#191
20070284813
2007-12-13

Method and device for the contactless detection of flat objects

#192
20070278341
2007-12-06

STRIP CONTINUOUS SUPPLY METHOD AND APPARATUS

#193
20070251311
2007-11-01

Method and device for the contactless detection of flat objects

#194
20070237430
2007-10-11

Sheet conveying device and image processing apparatus

#195
20070235922
2007-10-11

Sheet feeder with ultrasonic double feed detector

#196
20070075481
2007-04-05

Method and apparatus for conveying sheets onto a stack

#197
20070023996
2007-02-01

Double feed detection method and double feed detection apparatus of sheet materials

#198
20070018376
2007-01-25

Sheet feeding apparatus, image reading apparatus equipped with the same, and method of detecting double feed

#199
20070007721
2007-01-11

Method and device for the detection of recording media

#200
20060254360
2006-11-16

Ultrasonic sensor system for web-guiding apparatus

#201
20060244196
2006-11-02

Multiple sheet detection system

#202
20060145412
2006-07-06

Paper feeder

#203
20060048577
2006-03-09

Ultrasonic sensor system for web-guiding apparatus

#204
20060000889
2006-01-05

Automated banking machine multiple sheet detector apparatus and method

#205
20060000888
2006-01-05

Multiple sheet detector apparatus and method

#206
20060000887
2006-01-05

Multiple sheet detector apparatus and method

#207
20050275162
2005-12-15

Sheet feeding device and method for detecting overlapping sheets

#208
20050275159
2005-12-15

Sheet feeding apparatus with ultrasonic sensor for detecting multiple feed of papers

#209
20050269759
2005-12-08

Sheet feeding apparatus and method of detecting double feed

#210
20050235847
2005-10-27

Sheet-fed printing press

#211
20050211404
2005-09-29

Method and apparatus for determining the lateral position of a web or fabric edge in a former

#212
20050194102
2005-09-08

Apparatus and method for singulating porous fuel cell layers using adhesive tape pick head

#213
20050189707
2005-09-01

Image reading apparatus

#214
20050127597
2005-06-16

Sheet feeding apparatus, image reading apparatus equipped with the same, and method of detecting double feed

#215
20050040587
2005-02-24

Double feed detection method and double feed detection apparatus of sheet materials

#216
20050034520
2005-02-17

Method and apparatus for detecting the position of the edge of a moving product web

#217
20050012259
2005-01-20

Sheet handling apparatus and image reading apparatus

#218
15440187
2018-03-27

Paper feeding device

#219
14982718
2017-03-21

Detection of process abnormalities in a media processing system