ClassID:

230982

H04N2201/04732 - 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 Detecting at infrequent intervals, e.g. once or twice per line for main-scan control

Recent Application in this class:
#1
20220311899
2022-09-29

Image signal processing device, image reading apparatus to extract line image data from an image signal when horizontal synchronization pulses are determined as normal, and a determination portion determines whether horizontal synchronization pulses are normal by comparing time differences between the input of the horizontal synchronization pulses and input of the reference pulses with a shift time

#2
20190285886
2019-09-19

Optical scanning apparatus, image projecting apparatus, and mobile object

#3
20180293470
2018-10-11

Light scanning device and image forming apparatus with the same

#4
20160110634
2016-04-21

Light scanning device and image forming apparatus with the same

#5
20150268463
2015-09-24

Light scanning device having reduced size and parts count, and image forming apparatus with the same

#6
20150248009
2015-09-03

Light scanning device and image forming apparatus with the same

#7
20140320916
2014-10-30

Image forming apparatus and method of controlling the image forming apparatus

#8
20130234048
2013-09-12

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

#9
20130094875
2013-04-18

Reflection sensor and image forming apparatus

#10
20130083366
2013-04-04

Image reading device capable of reading skew sheet without image loss

#11
20130063514
2013-03-14

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

#12
20130021655
2013-01-24

Electrophotographic image forming apparatus and scanning method thereof

#13
20130016169
2013-01-17

Registration adjustment method for image forming apparatus and image forming apparatus

#14
20120293783
2012-11-22

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

#15
20120274696
2012-11-01

Image recording apparatus

#16
20120243023
2012-09-27

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

#17
20120194879
2012-08-02

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

#18
20120194630
2012-08-02

Image forming apparatus and image forming method

#19
20120141146
2012-06-07

APPARATUS TO CONTROL COLOR REGISTRATION AND IMAGE DENSITY

#20
20120140013
2012-06-07

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

#21
20120008968
2012-01-12

Image forming apparatus and control method thereof

#22
20110317228
2011-12-29

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

#23
20110317182
2011-12-29

Image forming apparatus

#24
20110286059
2011-11-24

Image scanning device and image scanning method

#25
20110229206
2011-09-22

Optical scanner used in color image-forming device

#26
20110229172
2011-09-22

Image forming apparatus and image forming method using the apparatus

#27
20110175975
2011-07-21

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

#28
20110164273
2011-07-07

Pixel clock generator and image forming apparatus

#29
20110069137
2011-03-24

Optical scanner and imaging apparatus using the same

#30
20110032323
2011-02-10

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

#31
20110026550
2011-02-03

Method for compensating misalignment errors in electrophotographic device

#32
20110005418
2011-01-13

Printing plate registration using a camera

#33
20100302607
2010-12-02

Image reading apparatus and image reading method

#34
20100302553
2010-12-02

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

#35
20100284041
2010-11-11

Geometric correction of a recording apparatus

#36
20100284040
2010-11-11

Calibration of a recording apparatus

#37
20100283813
2010-11-11

Adjusting the calibration of a recording apparatus with recording head movement changes

#38
20100245449
2010-09-30

Image recording apparatus

#39
20100238261
2010-09-23

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

#40
20100201733
2010-08-12

PRINTING METHOD, STORAGE MEDIUM, MEDIUM, PRINTING APPARATUS, METHOD FOR DETECTING END OF IMAGE, METHOD FOR DETECTING CARRYING UNEVENNESS OF MEDIUM, AND DEVICE FOR DETECTING CARRYING UNEVENNESS OF MEDIUM

#41
20100195181
2010-08-05

Optical scanning device and image forming apparatus

#42
20100189453
2010-07-29

IMAGE FORMING APPARATUS

#43
20100142018
2010-06-10

Light scanning unit and method of detecting scanning synchronization signal

#44
20100133451
2010-06-03

Determining position of a media page using a slot in the imaging drum

#45
20100103240
2010-04-29

Multibeam laser control device for image forming apparatus

#46
20100097664
2010-04-22

Optical scanning unit and color image forming apparatus using the same

#47
20100091342
2010-04-15

Optical scanning device and image forming apparatus

#48
20100079824
2010-04-01

Image forming apparatus

#49
20100044556
2010-02-25

OSCILLATING DEVICE AND LIGHT- DEFLECTION APPARATUS EMPLOYING THE SAME

#50
20100028058
2010-02-04

Apparatus to control color registration and image density

#51
20090315503
2009-12-24

Control device of stepping motor, image reading device, control method and control program of stepping motor

#52
20090284788
2009-11-19

IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF

#53
20090214239
2009-08-27

Image forming apparatus and control method thereof

#54
20090201525
2009-08-13

Image forming apparatus

#55
20090190188
2009-07-30

Process and device for digitising a document

#56
20090185242
2009-07-23

Optical beam scanning apparatus and digital writing apparatus

#57
20090174915
2009-07-09

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

#58
20090168132
2009-07-02

Optical scanning apparatus and image forming apparatus

#59
20090153644
2009-06-18

Optical scanning apparatus and color image forming apparatus

#60
20090103115
2009-04-23

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

#61
20090092407
2009-04-09

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

#62
20090074459
2009-03-19

Optical scanning device and image forming apparatus

#63
20090067022
2009-03-12

Optical beam scanning apparatus, optical beam scanning method, image forming apparatus and image forming method

#64
20090059249
2009-03-05

IMAGE FORMING APPARATUS, MAINTENANCE MANAGEMENT METHOD THEREOF AND IMAGE FORMING MANAGEMENT SYSTEM

#65
20090052916
2009-02-26

Apparatus for and method of forming image using oscillation mirror

#66
20090051751
2009-02-26

Image forming apparatus and control method thereof

#67
20090040584
2009-02-12

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

#68
20090039594
2009-02-12

Image forming apparatus

#69
20090015897
2009-01-15

Optical scan apparatus and image formation apparatus

#70
20090015885
2009-01-15

Image forming apparatus and control method thereof

#71
20090009582
2009-01-08

Frequency modulation apparatus and frequency modulation method

#72
20080273230
2008-11-06

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

#73
20080258382
2008-10-23

Calibration of sheet velocity measurement from encoded idler rolls

#74
20080236426
2008-10-02

Printing plate registration using a camera

#75
20080225304
2008-09-18

Optical scanning unit and image forming apparatus using same

#76
20080174653
2008-07-24

Image forming apparatus and signal synchronizing method thereof

#77
20080144122
2008-06-19

Optical scanning apparatus and optical scanning method

#78
20080123139
2008-05-29

Image forming apparatus

#79
20080117280
2008-05-22

Smart start of scan (SOS) detector

#80
20080088889
2008-04-17

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

#81
20080068678
2008-03-20

Optical scanning apparatus and image forming apparatus

#82
20080055692
2008-03-06

Optical scanning device and image forming apparatus

#83
20080055690
2008-03-06

Optical scanning device and image forming apparatus

#84
20080049096
2008-02-28

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

#85
20080049094
2008-02-28

Optical scanner used in color image-forming device

#86
20080043308
2008-02-21

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

#87
20080036848
2008-02-14

Frequency modulation apparatus and frequency modulation method

#88
20080024538
2008-01-31

Printer

#89
20080024533
2008-01-31

Printer

#90
20080018728
2008-01-24

Apparatus for and method of forming image using oscillation mirror

#91
20080012933
2008-01-17

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

#92
20080002018
2008-01-03

Method and apparatus for image alignment

#93
20080002016
2008-01-03

Optical scanning unit and method thereof

#94
20070297024
2007-12-27

Light scanning unit and electrophotographic image forming apparatus including the same

#95
20070296983
2007-12-27

Method and apparatus for recording digital data on image-receiving medium

#96
20070237558
2007-10-11

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

#97
20070229919
2007-10-04

Image reading apparatus

#98
20070210245
2007-09-13

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

#99
20070200911
2007-08-30

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

#100
20070188831
2007-08-16

Method of detecting position of printing medium performed in printing apparatus

#101
20070188790
2007-08-16

Printing device using two printing parts and a reading sensor for continuous printing

#102
20070188589
2007-08-16

Image forming apparatus

#103
20070181686
2007-08-09

Apparatus, system and method for increasing quality of digital image capture

#104
20070139746
2007-06-21

Image correction in an image forming apparatus and image forming method

#105
20070132830
2007-06-14

Image forming apparatus

#106
20070120937
2007-05-31

System and method for hand-held printing

#107
20070115342
2007-05-24

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

#108
20070103728
2007-05-10

Image forming apparatus, control method, and program for preventing image omission cause by registration error correction

#109
20070097452
2007-05-03

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

#110
20070091165
2007-04-26

Image forming apparatus capable of effectively correcting main scanning misregistration

#111
20070053011
2007-03-08

Optical scanning apparatus

#112
20070047022
2007-03-01

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

#113
20070024697
2007-02-01

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

#114
20060285179
2006-12-21

Image reading device, method of controlling the same, control program, storage medium and image forming apparatus provided with the image reading device

#115
20060274140
2006-12-07

Optical scanning device and image forming apparatus

#116
20060269342
2006-11-30

Printing method, storage medium, medium, printing apparatus, method for detecting end of image, method for detecting carrying unevenness of medium, and device for detecting carrying unevenness of medium

#117
20060267968
2006-11-30

Circuit for detecting a clock error in a swept-beam system and related systems and methods

#118
20060266937
2006-11-30

Image forming apparatus with noise reduction

#119
20060256185
2006-11-16

Optical scanner and imaging apparatus using the same

#120
20060256182
2006-11-16

Image forming apparatus

#121
20060244810
2006-11-02

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

#122
20060232660
2006-10-19

Optical scanner and image forming apparatus

#123
20060227207
2006-10-12

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

#124
20060226233
2006-10-12

Scanners

#125
20060209170
2006-09-21

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

#126
20060203263
2006-09-14

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

#127
20060203262
2006-09-14

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

#128
20060187497
2006-08-24

Circuit for detecting a clock error in a scanned-image system and related circuits, systems, and methods

#129
20060181753
2006-08-17

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

#130
20060158712
2006-07-20

Image forming apparatus

#131
20060132590
2006-06-22

Scanner system

#132
20060119700
2006-06-08

Torsion oscillator current control driver

#133
20060082612
2006-04-20

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

#134
20060064019
2006-03-23

Bi-directional scanning and imaging with scanning compensation

#135
20060055765
2006-03-16

Light scanning device

#136
20060043264
2006-03-02

Imaging apparatus for correcting a distortion of an image

#137
20060033021
2006-02-16

Scanning system with feedback for a MEMS oscillating scanner

#138
20060028698
2006-02-09

AUTOMATIC DOCUMENT FEEDER SCANNER WITH A SCANNING MODULE CAPABLE OF POSITIONING ON AN ADF SCAN POSITION ACCURATELY

#139
20060023231
2006-02-02

Color image forming apparatus and process cartridge

#140
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

#141
20060001734
2006-01-05

Image printing apparatus and image printing method

#142
20050286922
2005-12-29

Image forming apparatus, information processing apparatus, image forming system, image position correcting method, recording media, and program

#143
20050281571
2005-12-22

Apparatus for and method of forming image using oscillation mirror

#144
20050275918
2005-12-15

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

#145
20050248648
2005-11-10

Image-forming device

#146
20050243163
2005-11-03

Pixel clock generation circuit

#147
20050237374
2005-10-27

Image forming apparatus

#148
20050220491
2005-10-06

Device for driving an endless belt and image forming apparatus using the same

#149
20050219354
2005-10-06

Pixel clock generator, optical scanner, and image forming apparatus

#150
20050219351
2005-10-06

Optical scanning method, optical scanner and image forming apparatus

#151
20050219292
2005-10-06

Printer

#152
20050196209
2005-09-08

Image reading apparatus and document scanning method using the same

#153
20050168559
2005-08-04

Scanning system

#154
20050151826
2005-07-14

Optical scanner and imaging apparatus using the same

#155
20050146596
2005-07-07

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

#156
20050141050
2005-06-30

Method and system to compensate for image size in multifunction printer with scanning function

#157
20050134623
2005-06-23

System and methods for compensating for streaks in images

#158
20050104952
2005-05-19

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

#159
20050104950
2005-05-19

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

#160
20050094164
2005-05-05

Independent video hardware blocks to support laser printers

#161
20050093962
2005-05-05

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

#162
20050093960
2005-05-05

Method for correcting skewed recording when exposing printing originals

#163
20050045813
2005-03-03

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

#164
20050036028
2005-02-17

Image-forming apparatus and optical scanner

#165
20050024697
2005-02-03

Light beam scanning apparatus and image forming apparatus

#166
20050007440
2005-01-13

Image forming apparatus