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Class Information
Number: 399/178
Name: Electrophotography > Image formation > Exposure > Formation of color separation images
Description: Subject matter wherein a colored original is exposed to a plurality of different colored lights to produce separation images.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7375853 |
Image processing apparatus and method |
May. 20, 2008 |
| 7251445 |
Image formation device and image forming method using same |
Jul. 31, 2007 |
| 7233749 |
Image forming device for performing calibration by patch pattern |
Jun. 19, 2007 |
| 6977022 |
Method and apparatus for performing a charging process on an image carrying device |
Dec. 20, 2005 |
| 6768886 |
Image forming apparatus |
Jul. 27, 2004 |
| 6724410 |
Multicolor image forming apparatus having a controller for controlling press-contact and separation of an image forming member |
Apr. 20, 2004 |
| 6421522 |
Method and apparatus for setting registration in a multicolor printing machine based on a change in toner profile |
Jul. 16, 2002 |
| 6352806 |
Low toner pile height color image reproduction machine |
Mar. 5, 2002 |
| 6339460 |
Liquid crystal display device |
Jan. 15, 2002 |
| 6336019 |
Surface position and velocity measurement for photoreceptor belt |
Jan. 1, 2002 |
| 6266122 |
Liquid crystal display device and method for manufacturing the same |
Jul. 24, 2001 |
| 6205311 |
Method of multicolor electrophotographic printing with unipolar toner |
Mar. 20, 2001 |
| 6144817 |
Image forming apparatus utilizing intermediate transfer member |
Nov. 7, 2000 |
| 6094551 |
Multicolor image formation apparatus and multicolor image formation method for controlling timing for forming a color toner image on a photoconductor |
Jul. 25, 2000 |
| 6041204 |
Color image forming apparatus with an organic photoconductor |
Mar. 21, 2000 |
| 6022653 |
Color image recording system and method to prevent color displacement through red light beam detection |
Feb. 8, 2000 |
| 6009296 |
Multicolor image formation device |
Dec. 28, 1999 |
| 5983045 |
Image forming apparatus for forming plural toner images on photosensitive member and for transferring toner images onto transfer material collectively |
Nov. 9, 1999 |
| 5983057 |
Color imaging system with selectively openable optical shutter |
Nov. 9, 1999 |
| 5978628 |
Highlight color read printing using additive toners |
Nov. 2, 1999 |
| 5916718 |
Method and apparatus for producing a multi-colored image in an electrophotographic system |
Jun. 29, 1999 |
| 5774760 |
Method of controlling color correction and apparatus for imagewise exposure using said method |
Jun. 30, 1998 |
| 5773818 |
Digital scanning system having drop-out capabilities and a color drop-out filter therefor |
Jun. 30, 1998 |
| 5716744 |
Dual beam color electrophotographic apparatus |
Feb. 10, 1998 |
| 5708934 |
Color image forming apparatus with well-registrated imagewise exposure means |
Jan. 13, 1998 |
| 5659855 |
Electrophotographic image member with magnetic property and image forming apparatus |
Aug. 19, 1997 |
| 5649269 |
Image recording apparatus having a mask member moving together with an exposure unit |
Jul. 15, 1997 |
| 5640652 |
Driving mechanism for color image forming apparatus |
Jun. 17, 1997 |
| 5615002 |
Electrophotographic color image forming apparatus with a plurality of image exposing devices arranged around outer circumference of photoreceptor |
Mar. 25, 1997 |
| 5604578 |
Color image forming apparatus having a function of determining a charge value charged on a customer according to an amount of recording material |
Feb. 18, 1997 |
| 5585912 |
Image forming apparatus with movable mirrors along two optical paths to expose an image onto a selected photosensitive drum |
Dec. 17, 1996 |
| 5570194 |
Color image forming apparatus in which pre-transfer image exposure is performed on full color toner image on photoreceptor after fourth color toner image of Y,M,C, and BK color toner images is |
Oct. 29, 1996 |
| 5570174 |
Two-pass highlight color copier employing CAD scavengeless development & strong development potentials |
Oct. 29, 1996 |
| 5559585 |
Image forming apparatus adapted for reflection-type or transmission-type originals |
Sep. 24, 1996 |
| 5550626 |
Image forming device for creating a color image having pixel elements of different thicknesses |
Aug. 27, 1996 |
| 5541708 |
System for testing and optimizing toner output in an image formating apparatus |
Jul. 30, 1996 |
| 5541721 |
System for controlling electrostatic voltmeters in a tri-level highlight color xerographic printer |
Jul. 30, 1996 |
| 5541722 |
Color image forming apparatus |
Jul. 30, 1996 |
| 5495348 |
Image processing apparatus and method using analog and digital recording systems and correcting a boundary between color images respectively formed |
Feb. 27, 1996 |
| 5321487 |
Color correction structure for color imaging device |
Jun. 14, 1994 |
| 5309182 |
Bicolor image forming apparatus for forming a bicolor image on a photoconductive element |
May. 3, 1994 |
| 5301039 |
Image processing apparatus with pixel tone discrimination |
Apr. 5, 1994 |
| 5295006 |
Optical exposure system for color video printer with light source moving along rod behind three color liquid crystal panels |
Mar. 15, 1994 |
| 5278586 |
Image forming apparatus with automatic multiple image alignment |
Jan. 11, 1994 |
| 5278625 |
Method and apparatus for lateral registration of sequential images in a singles pass, multi-LED print bar printer |
Jan. 11, 1994 |
| 5262832 |
Color separation optical system for use in color copying machine |
Nov. 16, 1993 |
| 5257037 |
Compact image forming apparatus with color position adjustment |
Oct. 26, 1993 |
| 5253031 |
Method of forming a reference pattern for adjusting image density in copying machines |
Oct. 12, 1993 |
| 5237425 |
Ink compiler for a two color printer |
Aug. 17, 1993 |
| 5229787 |
Color printer |
Jul. 20, 1993 |
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