ClassID:

230969

H04N2201/0471 - CPC Classification

Classification description:

Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof; Scanning arrangements; Detection, control or error compensation of scanning velocity or position; Detection of scanning velocity or position using dedicated detectors

Sub-classes:
Recent Application in this class:
#1
20260021603
2026-01-22

SYSTEMS AND METHODS FOR PERFORMING A TASK ON A MATERIAL, OR LOCATING THE POSITION OF A DEVICE RELATIVE TO THE SURFACE OF THE MATERIAL

#2
20240083062
2024-03-14

SYSTEMS AND METHODS FOR PERFORMING A TASK ON A MATERIAL, OR LOCATING THE POSITION OF A DEVICE RELATIVE TO THE SURFACE OF THE MATERIAL

#3
20220152856
2022-05-19

Systems and methods for performing a task on a material, or locating the position of a device relative to the surface of the material

#4
20200230840
2020-07-23

Systems and methods for performing a task on a material, or locating the position of a device relative to the surface of the material

#5
20200137258
2020-04-30

IMAGE FORMATION APPARATUS

#6
20190285886
2019-09-19

Optical scanning apparatus, image projecting apparatus, and mobile object

#7
20180086106
2018-03-29

Printing apparatus including a guiding mechanism that represents a position of a print area

#8
20170259567
2017-09-14

Real-time linefeed measurement of inkjet printer

#9
20170242364
2017-08-24

Optical writing device and image forming apparatus incorporating same

#10
20170217230
2017-08-03

Movement control device, ink-droplet ejection device, movement control method, and recording medium

#11
20160291502
2016-10-06

Method for adjusting position of light beam sensor

#12
20160264369
2016-09-15

System and method for monitoring and controlling document velocity in a scanning system

#13
20150344251
2015-12-03

System and method for monitoring and controlling document velocity in a scanning system

#14
20150341523
2015-11-26

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

#15
20150094836
2015-04-02

Systems and methods for performing a task on a material, or locating the position of a device relative to the surface of the material

#16
20140320916
2014-10-30

Image forming apparatus and method of controlling the image forming apparatus

#17
20140300908
2014-10-09

Printing apparatus and correction method of the printing apparatus

#18
20130234048
2013-09-12

Device and method for reading out X-ray information stored in a fluorescent storage layer

#19
20130194600
2013-08-01

Reading apparatus and reading control method that reduces misalignment at a joint between a pixel read before a read-suspension event and a pixel read after the read-suspension event

#20
20130194599
2013-08-01

Reading apparatus with compact drive unit assembly

#21
20130162710
2013-06-27

Real-time linefeed measurement of inkjet printer

#22
20130155428
2013-06-20

Image processing apparatus and method for correcting image distortion using correction value

#23
20130100503
2013-04-25

Scanner belt load and stretch compensation control system

#24
20130083366
2013-04-04

Image reading device capable of reading skew sheet without image loss

#25
20130063514
2013-03-14

Liquid ejecting apparatus that controls ejecting timings and non-transitory storage medium used in the same

#26
20130050763
2013-02-28

Multiple sided media pattern registration system

#27
20130046324
2013-02-21

Application of color imagery to a rewritable color surface

#28
20130033640
2013-02-07

HANDY SCANNER APPARATUS AND CONTROL METHOD THEREOF

#29
20130033535
2013-02-07

System and method for dynamic stretch reflex printing

#30
20130027457
2013-01-31

Image forming apparatus, pattern position determining method, and image forming system

#31
20130016169
2013-01-17

Registration adjustment method for image forming apparatus and image forming apparatus

#32
20120293783
2012-11-22

Light source drive device, optical scanning device and image forming apparatus

#33
20120274696
2012-11-01

Image recording apparatus

#34
20120262764
2012-10-18

Handheld portable scanner

#35
20120262746
2012-10-18

Image forming apparatus comprising a sheet feeding device and an image reading device

#36
20120243023
2012-09-27

OPTICAL SCANNING DEVICE, LIGHT CONTROL METHOD THEREFOR, AND IMAGE FORMING APPARATUS

#37
20120194879
2012-08-02

System and method for integrated pair-wise registration of images using image based information and sensor coordinate and error information

#38
20120194873
2012-08-02

Image registration parameters and confidence estimation from sensor data

#39
20120194630
2012-08-02

Image forming apparatus and image forming method

#40
20120189210
2012-07-26

Image processing apparatus, computer readable medium, and image processing method

#41
20120141146
2012-06-07

APPARATUS TO CONTROL COLOR REGISTRATION AND IMAGE DENSITY

#42
20120140013
2012-06-07

Light source control circuit, image forming apparatus, and light source control method

#43
20120113485
2012-05-10

Optical scanning apparatus and image forming apparatus

#44
20120099165
2012-04-26

Image forming apparatus

#45
20120044514
2012-02-23

Image reading device and image forming apparatus for detecting that document reading unit is positioned at document reference line

#46
20120008968
2012-01-12

Image forming apparatus and control method thereof

#47
20110317228
2011-12-29

Optical scanning apparatus provided with resonance-driven swing mirror and image forming apparatus

#48
20110292471
2011-12-01

Optical scanner

#49
20110286059
2011-11-24

Image scanning device and image scanning method

#50
20110242611
2011-10-06

Image reading apparatus

#51
20110242579
2011-10-06

Restricting printer language selection on a user-by-user basis

#52
20110234815
2011-09-29

Synchronization of navigation and image information for handheld scanner

#53
20110229206
2011-09-22

Optical scanner used in color image-forming device

#54
20110229172
2011-09-22

Image forming apparatus and image forming method using the apparatus

#55
20110221739
2011-09-15

Pixel clock generating device and image forming apparatus

#56
20110211241
2011-09-01

DRIVE CONTROL DEVICE OF LIGHT SCANNING APPARATUS

#57
20110190960
2011-08-04

Apparatus for motor control of an apparatus with a motor

#58
20110175975
2011-07-21

Apparatus for alignment of video clock with the ROS start of scan sensor signal in printing systems

#59
20110164273
2011-07-07

Pixel clock generator and image forming apparatus

#60
20110074852
2011-03-31

Handheld image translation device

#61
20110032323
2011-02-10

IMAGE FORMING APPARATUS, LIGHT-INTENSITY CORRECTION METHOD, AND COMPUTER PROGRAM PRODUCT

#62
20110026550
2011-02-03

Method for compensating misalignment errors in electrophotographic device

#63
20110005418
2011-01-13

Printing plate registration using a camera

#64
20100302553
2010-12-02

Methods and apparatus for ascertaining sensor signal delay in an electrophotographic device

#65
20100296137
2010-11-25

Continuous scanning with a handheld scanner

#66
20100296129
2010-11-25

Automatic sizing of images acquired by a handheld scanner

#67
20100270738
2010-10-28

Automatic document feeder and scanning apparatus having device for detecting document speed

#68
20100245520
2010-09-30

Image forming apparatus

#69
20100245449
2010-09-30

Image recording apparatus

#70
20100238522
2010-09-23

Method for controlling a TDI-CCD image sensor

#71
20100238261
2010-09-23

Image forming apparatus, optical writing process control method, and optical writing process control program

#72
20100195181
2010-08-05

Optical scanning device and image forming apparatus

#73
20100189453
2010-07-29

IMAGE FORMING APPARATUS

#74
20100182648
2010-07-22

Determine movement of a print medium relative to a mobile device

#75
20100156328
2010-06-24

Method of controlling motor in image reading apparatus

#76
20100142018
2010-06-10

Light scanning unit and method of detecting scanning synchronization signal

#77
20100141701
2010-06-10

Image recording device and image recording method

#78
20100103240
2010-04-29

Multibeam laser control device for image forming apparatus

#79
20100091342
2010-04-15

Optical scanning device and image forming apparatus

#80
20100079824
2010-04-01

Image forming apparatus

#81
20100067069
2010-03-18

Image forming apparatus and image forming method

#82
20100044556
2010-02-25

OSCILLATING DEVICE AND LIGHT- DEFLECTION APPARATUS EMPLOYING THE SAME

#83
20100028058
2010-02-04

Apparatus to control color registration and image density

#84
20090324293
2009-12-31

Image forming apparatus

#85
20090303000
2009-12-10

Linearisation of Scanned Data

#86
20090284788
2009-11-19

IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF

#87
20090273628
2009-11-05

Clock signal extracting during printing

#88
20090214239
2009-08-27

Image forming apparatus and control method thereof

#89
20090201525
2009-08-13

Image forming apparatus

#90
20090190188
2009-07-30

Process and device for digitising a document

#91
20090174915
2009-07-09

Light source driving device with relationship-based drive signal generating circuit, optical scanning device, and image forming apparatus

#92
20090161181
2009-06-25

Method and apparatus for phase correction in a scanned beam imager

#93
20090103156
2009-04-23

Image forming apparatus with laser scanning device and method of aligning the laser scanning device

#94
20090103115
2009-04-23

Image printing apparatus and method of adjusting and correcting main-scanning offset in image printing apparatus

#95
20090092407
2009-04-09

Image forming apparatus having a cleaning unit that cleans a region of the image carrier

#96
20090080039
2009-03-26

Light scanning device and image forming apparatus including a controller that determines a scanning direction of light beam

#97
20090051751
2009-02-26

Image forming apparatus and control method thereof

#98
20090041440
2009-02-12

Document reading apparatus, document reading method, and program for reading document

#99
20090040584
2009-02-12

LIGHT SCANNING UNIT, CONTROL METHOD THEREOF, AND IMAGE FORMING APPARATUS HAVING THE SAME

#100
20090040583
2009-02-12

LIGHT SCANNING UNIT, CONTROL METHOD THEREOF AND IMAGE FORMING APPARATUS HAVING THE SAME

#101
20090040567
2009-02-12

Image forming appartus and control method thereof

#102
20090039594
2009-02-12

Image forming apparatus

#103
20090028196
2009-01-29

CONTINUOUS FORM ELECTROPHOTOGRAPHIC APPARATUS AND WRITE-START POSITION CONTROL METHOD THEREOF

#104
20090015897
2009-01-15

Optical scan apparatus and image formation apparatus

#105
20090015885
2009-01-15

Image forming apparatus and control method thereof

#106
20090009582
2009-01-08

Frequency modulation apparatus and frequency modulation method

#107
20080291510
2008-11-27

Optical scanning device in image forming apparatus, and control method thereof

#108
20080285104
2008-11-20

Optical scanner and image forming apparatus including a common optical deflector and synchronization detector

#109
20080273230
2008-11-06

Optical scanning device, printing apparatus, and method for adjusting oscillation amplitude of oscillating mirror

#110
20080258382
2008-10-23

Calibration of sheet velocity measurement from encoded idler rolls

#111
20080236426
2008-10-02

Printing plate registration using a camera

#112
20080212120
2008-09-04

Position correction in handheld image translation device

#113
20080211848
2008-09-04

Handheld image translation device

#114
20080204846
2008-08-28

Laser scanning apparatus having a photodetector having first and second light receiving units

#115
20080204770
2008-08-28

Bit selection from print image in memory of handheld image translation device

#116
20080174653
2008-07-24

Image forming apparatus and signal synchronizing method thereof

#117
20080170892
2008-07-17

AUTO COLOR REGISTRATION APPARATUS AND METHOD THEREOF

#118
20080144122
2008-06-19

Optical scanning apparatus and optical scanning method

#119
20080136742
2008-06-12

Method and Apparatus for Compensating for Distortion in a Scanned Beam System

#120
20080117280
2008-05-22

Smart start of scan (SOS) detector

#121
20080106773
2008-05-08

Image reading apparatus

#122
20080106589
2008-05-08

APPARATUS FOR AND METHOD OF ADJUSTING WRITE START POSITION

#123
20080088893
2008-04-17

Optical scanning device, optical scanning method, computer program product for executing optical scanning method, recording medium with computer program recorded thereon, image forming apparatus, and color image forming apparatus using the same

#124
20080088889
2008-04-17

Light scanning device, light scanning device production method, and color image forming apparatus

#125
20080080013
2008-04-03

Multiplied pulse generation device, multiplied pulse generation method, image forming apparatus, and image reading apparatus

#126
20080075363
2008-03-27

Image processing device, image forming device, computer readable medium and image processing method

#127
20080068678
2008-03-20

Optical scanning apparatus and image forming apparatus

#128
20080062476
2008-03-13

Image forming device capable of controlling scanning unit and method to control scanning unit thereof

#129
20080055697
2008-03-06

Timing detection circuit and apparatus for modulating light beam

#130
20080055692
2008-03-06

Optical scanning device and image forming apparatus

#131
20080049096
2008-02-28

Methods and apparatus for ascertaining sensor signal delay in an electrophotographic device

#132
20080049094
2008-02-28

Optical scanner used in color image-forming device

#133
20080043308
2008-02-21

Method to improve scan-line alignment by adjusting the pixel rate

#134
20080036848
2008-02-14

Frequency modulation apparatus and frequency modulation method

#135
20080036137
2008-02-14

Sheet conveying apparatus and image forming apparatus

#136
20080024538
2008-01-31

Printer

#137
20080024533
2008-01-31

Printer

#138
20080012933
2008-01-17

Pixel clock and pulse-modulation-signal generating device, optical scanner, and image forming apparatus

#139
20080002240
2008-01-03

Image reading apparatus and image reading system

#140
20080002018
2008-01-03

Method and apparatus for image alignment

#141
20080002016
2008-01-03

Optical scanning unit and method thereof

#142
20070297024
2007-12-27

Light scanning unit and electrophotographic image forming apparatus including the same

#143
20070263063
2007-11-15

Handheld printer minimizing printing defects

#144
20070242318
2007-10-18

Adjusting the speed of a scanner motor in an image forming apparatus

#145
20070237558
2007-10-11

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, SHEET CONVEYING APPARATUS, AND SHEET CONVEYING METHOD

#146
20070210245
2007-09-13

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

#147
20070200911
2007-08-30

IMAGE FORMING APPARATUS AND IMAGE WRITE START POSITION ADJUSTING METHOD FOR THE SAME

#148
20070195348
2007-08-23

Method for correction of a trapezoidal distortion of images

#149
20070188589
2007-08-16

Image forming apparatus

#150
20070159676
2007-07-12

High performance dynamic mirror

#151
20070139746
2007-06-21

Image correction in an image forming apparatus and image forming method

#152
20070132830
2007-06-14

Image forming apparatus

#153
20070120937
2007-05-31

System and method for hand-held printing

#154
20070115342
2007-05-24

Image forming apparatus and image write start position adjusting method for the same

#155
20070097452
2007-05-03

Image forming apparatus for generating stable horizontal sync signal and method thereof

#156
20070091383
2007-04-26

Synchronization of two ASICs for dual-sided scanning of a document

#157
20070091165
2007-04-26

Image forming apparatus capable of effectively correcting main scanning misregistration

#158
20070058234
2007-03-15

Method and apparatus for maintaining a constant image amplitude in a resonant mirror system

#159
20070053011
2007-03-08

Optical scanning apparatus

#160
20070047085
2007-03-01

Image forming apparatus and control method therefor

#161
20070047048
2007-03-01

Optical beam scanner, image forming device, and optical beam scanning method

#162
20070047022
2007-03-01

Optical writing device, image forming device, and optical writing method

#163
20070024697
2007-02-01

Method and device for compensating for a temperature-dependent length change of the feed spindle of a printing plate exposer

#164
20060290767
2006-12-28

Color image forming apparatus

#165
20060285186
2006-12-21

Dot position correcting apparatus, optical scanning apparatus, imaging apparatus, and color imaging apparatus

#166
20060284790
2006-12-21

Optical scanning system with correction

#167
20060274140
2006-12-07

Optical scanning device and image forming apparatus

#168
20060256182
2006-11-16

Image forming apparatus

#169
20060250626
2006-11-09

Method of using a mobile device to determine movement of a print medium relative to the mobile device

#170
20060250491
2006-11-09

Printhead that uses data track for print registration on print medium

#171
20060244810
2006-11-02

Light emitting timing adjustment method, laser scanning apparatus, and image formation apparatus

#172
20060243886
2006-11-02

Apparatus and method for adjusting write start position of a scanning light beam of an image forming apparatus

#173
20060230198
2006-10-12

Data processing circuit, data processing method and image forming apparatus

#174
20060227207
2006-10-12

Light beam scanning apparatus and image forming apparatus with parallel modulating and driving channels

#175
20060209170
2006-09-21

Clock signal generation circuit, optical scanning apparatus, and image forming apparatus

#176
20060203263
2006-09-14

Beam light scanning apparatus, image forming apparatus, and method for controlling generation of beam light

#177
20060181753
2006-08-17

Image forming apparatus, image forming method, program and computer readable information recording medium

#178
20060170723
2006-08-03

Media transport encoder accuracy

#179
20060164497
2006-07-27

Needless detection performance correction suppressing image forming apparatus

#180
20060158712
2006-07-20

Image forming apparatus

#181
20060158711
2006-07-20

Image forming device and image forming method

#182
20060132590
2006-06-22

Scanner system

#183
20060119905
2006-06-08

Optimized scanning speed self adaptive scanner

#184
20060119700
2006-06-08

Torsion oscillator current control driver

#185
20060114309
2006-06-01

Method and apparatus for compensating for image misalignment due to variations in laser power in a bi-directional raster imaging system

#186
20060092405
2006-05-04

Measuring instrument of polygon-mirror motor

#187
20060082612
2006-04-20

Image forming method and apparatus, and a recording medium storing a program for performing an image forming method

#188
20060076920
2006-04-13

Evaluation device and method for rotary drive, corrective manipulated variable setting device and method, control device and method, and program

#189
20060072002
2006-04-06

Scanning optical apparatus and color image forming apparatus using the same

#190
20060064019
2006-03-23

Bi-directional scanning and imaging with scanning compensation

#191
20060055765
2006-03-16

Light scanning device

#192
20060012670
2006-01-19

Line head and image forming apparatus incorporating the same

#193
20060001891
2006-01-05

Method and apparatus for image forming capable of effectively correcting alignment errors of elementary color outputs to be superposed into an image

#194
20060001734
2006-01-05

Image printing apparatus and image printing method

#195
20050275918
2005-12-15

Characterization of a scan line produced from a facet of a scanning device

#196
20050274914
2005-12-15

High speed image scanner

#197
20050254864
2005-11-17

Image-formation apparatus, controlling method thereof and image-formation method

#198
20050248648
2005-11-10

Image-forming device

#199
20050243163
2005-11-03

Pixel clock generation circuit

#200
20050231768
2005-10-20

Scanner and exposure control method thereof

#201
20050231581
2005-10-20

Apparatus for and method of forming image using oscillation mirror

#202
20050219354
2005-10-06

Pixel clock generator, optical scanner, and image forming apparatus

#203
20050219351
2005-10-06

Optical scanning method, optical scanner and image forming apparatus

#204
20050219292
2005-10-06

Printer

#205
20050212887
2005-09-29

Image forming apparatus and image forming method

#206
20050206744
2005-09-22

Image forming apparatus

#207
20050206719
2005-09-22

Image forming apparatus

#208
20050205671
2005-09-22

Cellular phone with scanning capability

#209
20050196209
2005-09-08

Image reading apparatus and document scanning method using the same

#210
20050168559
2005-08-04

Scanning system

#211
20050146596
2005-07-07

Pixel clock and pulse-modulation-signal generating device, optical scanner, and image forming apparatus

#212
20050141053
2005-06-30

Controlling apparatus and method for image scanning system

#213
20050134623
2005-06-23

System and methods for compensating for streaks in images

#214
20050111062
2005-05-26

Image recording apparatus and image recording method

#215
20050111056
2005-05-26

Image reader

#216
20050111010
2005-05-26

Scanner linearity tester

#217
20050104952
2005-05-19

Apparatus and method for measuring the length change of the feed spindle in an exposer for printing originals

#218
20050104950
2005-05-19

Apparatus to control color registration and image density using a single mark and method using the same

#219
20050098716
2005-05-12

Light scanner and image forming apparatus using the same

#220
20050094902
2005-05-05

Scanning device with a positioning sensor and a corresponding processing method to obtain images

#221
20050094164
2005-05-05

Independent video hardware blocks to support laser printers

#222
20050093962
2005-05-05

Optical scanning unit, image forming apparatus, and method of correcting positional misalignment

#223
20050073728
2005-04-07

Movement control apparatus, image scan apparatus and image scanning method

#224
20050063025
2005-03-24

Adjusting method of image reading apparatus and image reading apparatus

#225
20050045813
2005-03-03

Optical scanning apparatus for accurately detecting and correcting position of optical beam in subscanning direction, and the method

#226
20050036028
2005-02-17

Image-forming apparatus and optical scanner

#227
20050007440
2005-01-13

Image forming apparatus