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Browse by Category: Main > Information Technology
Class Information
Number: 347/118
Name: Incremental printing of symbolic information > Electric marking apparatus or processes > Electrostatic > Multicolor > Plural heads > Using light as exposure means
Description: Subject matter wherein the markers are light emitting devices.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8681399 Systems and methods for improving the scan-line throughput of an image scanner using a modulated light source Mar. 25, 2014
8559053 Optical scanning device and image forming device Oct. 15, 2013
8547592 Device and method for digital exposure Oct. 1, 2013
8542410 Least squares based exposure modulation for banding compensation Sep. 24, 2013
8487973 Light source control circuit, image forming apparatus, and method of controlling the light source control circuit Jul. 16, 2013
8411324 Selection of exposure intensity and cleaning field intensity setpoints for optimum line width using sensor reading Apr. 2, 2013
8279247 Image forming apparatus and manufacturing method thereof Oct. 2, 2012
8264508 Image forming apparatus and method for controlling the same Sep. 11, 2012
8243110 Optical writing device and optical writing method Aug. 14, 2012
8169657 Registration method using sensed image marks and digital realignment May. 1, 2012
8149259 Drive device, LED array, LED head, and image forming apparatus provided therewith Apr. 3, 2012
8106931 Semiconductor device, print head and image forming apparatus Jan. 31, 2012
8077351 Image forming apparatus and method using density test patterns to adjust process parameters and subsequently update gradation correction data Dec. 13, 2011
8044986 Image forming apparatus and method for controlling the same Oct. 25, 2011
7932918 Exposure apparatus, image forming apparatus, exposure apparatus manufacturing method and image forming method Apr. 26, 2011
7929177 Image forming device and method for light intensity correction Apr. 19, 2011
7804510 Imaging method for universal printers using an image-on-image process Sep. 28, 2010
7804511 Image forming apparatus, exposure apparatus, image holder, image forming method, and exposing method Sep. 28, 2010
7800778 LED print head printing Sep. 21, 2010
7760225 Image forming apparatus, optical writing device, and housing molding method providing simple structure Jul. 20, 2010
7619642 Image forming apparatus Nov. 17, 2009
7499193 Image forming apparatus Mar. 3, 2009
7436540 Image recorder having more than one recording head and image recording system containing the image recorder Oct. 14, 2008
7265769 Device and method for registering multiple LED bar imagers in an image-on-image system Sep. 4, 2007
7193639 Image forming apparatus Mar. 20, 2007
7129964 Image printing apparatus and image printing method Oct. 31, 2006
7071959 Method and apparatus for arranging light-emitting diodes and light-emitting elements Jul. 4, 2006
6985627 LED bar array high addressable imaging in 2-dimensions Jan. 10, 2006
6952294 Method of reading an image, method of forming a color image, device for forming a color image, silver halide color photosensitive material, and a device for processing a photosensitive materia Oct. 4, 2005
6876371 Image forming apparatus Apr. 5, 2005
6864906 Light scanning device and image forming apparatus Mar. 8, 2005
6856426 Solid state scanning type optical recording device Feb. 15, 2005
6690404 Image forming apparatus and method for changeable image forming modes between a single color mode and a multiple color mode Feb. 10, 2004
6614506 Image forming apparatus and registration correcting method of the image forming apparatus Sep. 2, 2003
6603574 Image color registration sensor calibration Aug. 5, 2003
6593951 Optical writing system directed to miniaturization thereof, and image forming apparatus employing it Jul. 15, 2003
6580443 Color image forming device with simplified optical unit incorporating a laser source Jun. 17, 2003
6545692 Digital color image forming apparatus having a recording element comprised of a light emitting array Apr. 8, 2003
6473105 Optical scanning apparatus for preventing color misregistration Oct. 29, 2002
6320603 Ina xerographic printer, equalizing wear on the photoreceptor with a supplemental exposure step Nov. 20, 2001
6249305 Color image forming apparatus Jun. 19, 2001
6236416 Image forming apparatus featuring a plurality of light emission elements on a single chip May. 22, 2001
6204867 Color image forming apparatus having laser scanner control means Mar. 20, 2001
6181448 Multi-laser scanning unit Jan. 30, 2001
6169558 Process and apparatus for high speed laser printing using a roller having a convertible structure Jan. 2, 2001
6148165 Apparatus with bipolar photoconductive element for making multicolor electrophotographic images and method for producing images Nov. 14, 2000
6118464 Beam scanning apparatus for electrophotographic color printer using deflection disk Sep. 12, 2000
6094208 Color image forming apparatus with scanner motor synchronization Jul. 25, 2000
6070031 Color image forming apparatus having developing devices arranged around an image forming body such that the image forming body is neither deformed nor damaged by the developing devices and suc May. 30, 2000
6057866 Color image forming apparatus and method using color compensation May. 2, 2000

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