H04N1/40025 - CPC Classification Index

ClassID:

229246 ⎘

H04N1/40025 - CPC Classification

Classification description:

Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof; Picture signal circuits Circuits exciting or modulating particular heads for reproducing continuous tone value scales

Sub-classes:

H04N1/40031 » {for a plurality of reproducing elements simultaneously} 60
H04N1/40037 » {the reproducing element being a laser} 97
H04N1/40043 » {using more than one type of modulation, e.g. pulse width modulation and amplitude modulation} 7
H04N1/4005 » {with regulating circuits, e.g. dependent upon ambient temperature or feedback control} 23

Recent Application in this class:

20180234584

2018-08-16

Light-emitting component, light-emitting device, and image forming apparatus

20180234583

2018-08-16

Light-emitting component having light-absorbing layer, light-emitting device, and image forming apparatus

20180233534

2018-08-16

Layered structure including thyristor and light-emitting element, light-emitting component, light-emitting device, and image forming apparatus

20180233533

2018-08-16

Light-emitting component, light-emitting device, and image forming apparatus

20180072048

2018-03-15

Ink-jet recording apparatus

20170017864

2017-01-19

Printing apparatus and printing method

20160314385

2016-10-27

Printing apparatus and print control method

20150156373

2015-06-04

Image forming apparatus and image forming method

20130170000

2013-07-04

Image scanner, auto document feeder, and image forming apparatus

#10

20130169727

2013-07-04

Apparatus supplying a signal for generating a multitone image

#11

20130148172

2013-06-13

Printing system, raster ouput scanner, and method with electronic banding compensation using facet-dependent smile correction

#12

20130120765

2013-05-16

Print content dependent adjustment of printed liquid

#13

20130076823

2013-03-28

Nozzle shading method, and an inkjet printing apparatus using same

#14

20120188576

2012-07-26

RECORDING METHOD AND RECORDING APPARATUS

#15

20120188564

2012-07-26

Recording method and recording apparatus

#16

20120062908

2012-03-15

Image processing device and image-processing method

#17

20110267391

2011-11-03

Inkjet printer and recovery method for a print head

#18

20110141524

2011-06-16

Image processing apparatus and image processing method

#19

20110043838

2011-02-24

Image processing device and image processing method

#20

20110038009

2011-02-17

Method and System for Compensating Imaging Defect in Image Forming Apparatus

#21

20110012984

2011-01-20

Setting of imaging parameters

#22

20100238510

2010-09-23

Image processing apparatus and image processing method to perform screen processing for image data

#23

20100232652

2010-09-16

System and method for adjusting operation of printheads in an ink printing device

#24

20100003045

2010-01-07

Electrographic dot gain and optical density decoupling method, xerographic image reproduction, and systems, methods and software related thereto

#25

20090231614

2009-09-17

Image processing apparatus, image forming apparatus, and image processing method

#26

20090002776

2009-01-01

Image scanning apparatus and method thereof

#27

20080278566

2008-11-13

Apparatus and method of scanning light using an array of light sources

#28

20080049797

2008-02-28

Laser light control device for image forming apparatus, and image forming apparatus

#29

20070263063

2007-11-15

Handheld printer minimizing printing defects

#30

20070206243

2007-09-06

Image forming apparatus with random number generator

#31

20070182810

2007-08-09

Printer for recording on a moving medium

#32

20070097452

2007-05-03

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

#33

20070091160

2007-04-26

Apparatus and method for controlling the heaters of a thermal printer head

#34

20070076272

2007-04-05

Inkjet printer and recovery method for a print head

#35

20060139694

2006-06-29

Image forming apparatus

#36

20060119696

2006-06-08

Image forming method and image forming apparatus

#37

20060050139

2006-03-09

Light beam scanning apparatus and image forming apparatus

#38

20050280698

2005-12-22

Printer for recording on a moving medium

#39

20050128494

2005-06-16

Electrophotographic method and printing system for generation of a printed image

#40

20050083978

2005-04-21

Method for controlling laser beam power balance in laser scanning unit

#41

20050024420

2005-02-03

Image printing apparatus

#42

20050018221

2005-01-27

Conforming output intensities of pens

#43

20050018035

2005-01-27

Method for generating charge images of images to be printed on a moving photoconductive intermediate support of an electrographic printing or copying device