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Class Information
Number: 347/137
Name: Incremental printing of symbolic information > Electric marking apparatus or processes > Electrostatic > Photo scanning > Optical elements interposed between record receiver and beam generator > Lens
Description: Subject matter wherein the light beam modifying means includes a transparent optical device for converging, or diverging, the writing beam.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7564471 |
Line head module, exposure apparatus, and image forming apparatus |
Jul. 21, 2009 |
| 7280127 |
Scanning apparatus for laser printer |
Oct. 9, 2007 |
| 6862108 |
Optical printer with micromirror device |
Mar. 1, 2005 |
| 6661441 |
Combined lens, holder, and aperture |
Dec. 9, 2003 |
| 6593951 |
Optical writing system directed to miniaturization thereof, and image forming apparatus employing it |
Jul. 15, 2003 |
| 6563104 |
Image forming apparatus |
May. 13, 2003 |
| 6525752 |
Exposure unit with staggered LED arrays |
Feb. 25, 2003 |
| 6466245 |
Rod lens array and optical printer head and optical printer using the same |
Oct. 15, 2002 |
| 6411325 |
Optical unit, and electrophotographic recording device having same |
Jun. 25, 2002 |
| 6340982 |
Image forming apparatus and exposure device thereof |
Jan. 22, 2002 |
| 6232991 |
ROS bow compensation |
May. 15, 2001 |
| 6061079 |
Laser beam printer with a common scanning optical system |
May. 9, 2000 |
| 6061074 |
Ion generator for ionographic print heads |
May. 9, 2000 |
| 5936755 |
Multi-beam scanning apparatus |
Aug. 10, 1999 |
| 5838360 |
Method of and apparatus for making a print containing parallax information |
Nov. 17, 1998 |
| 5610647 |
Image forming apparatus including a plural laser beam scanning apparatus |
Mar. 11, 1997 |
| 5552863 |
Xerographic printer wherein exposure and development are performed on opposite sides of the photoreceptor |
Sep. 3, 1996 |
| 5376994 |
Compact BI-color electrophotographic image forming apparatus |
Dec. 27, 1994 |
| 5365259 |
Scanning optical device |
Nov. 15, 1994 |
| 5341202 |
Electrophotographic recording apparatus with a scanner for automatically selecting media |
Aug. 23, 1994 |
| 5300962 |
Compound optics for a raster output scanner in an electrophotographic printer |
Apr. 5, 1994 |
| 5260718 |
Liquid crystal shutter xerographic printer with offset configuration lamp aperture and copier/printer with optically aligned lamps, image bars, and lenses |
Nov. 9, 1993 |
| 5257047 |
Control apparatus and method for image-forming system |
Oct. 26, 1993 |
| 5257048 |
Optical element and photoreceptor registration system for a raster output scanner in an electrophotographic printer |
Oct. 26, 1993 |
| 5247316 |
Laser beam printer having three-point support system |
Sep. 21, 1993 |
| 5218413 |
Optical device for image forming apparatus |
Jun. 8, 1993 |
| 5162821 |
Color image forming apparatus |
Nov. 10, 1992 |
| 5160965 |
Image forming apparatus with small LED array |
Nov. 3, 1992 |
| 5138347 |
Thin film electroluminescent edge emitter structure with optical lens and multi-color light emission systems |
Aug. 11, 1992 |
| 5126995 |
Light scanning device |
Jun. 30, 1992 |
| 5122817 |
Electrophotographic recorder using a modulated laser beam to scan the original |
Jun. 16, 1992 |
| 5105299 |
Unfolded optics for multiple row deformable mirror device |
Apr. 14, 1992 |
| 5063409 |
Image recording apparatus and exchanging unit used in the same |
Nov. 5, 1991 |
| 5041851 |
Spatial light modulator printer and method of operation |
Aug. 20, 1991 |
| 5023442 |
Apparatus for optically writing information |
Jun. 11, 1991 |
| 5001499 |
Light scanning apparatus and image forming apparatus utilizing same |
Mar. 19, 1991 |
| 4963900 |
Multiple laser beam scanning optics |
Oct. 16, 1990 |
| 4947195 |
LED printer |
Aug. 7, 1990 |
| 4945385 |
Image forming apparatus |
Jul. 31, 1990 |
| 4926198 |
Linear printhead writer assembly |
May. 15, 1990 |
| 4914457 |
Electrostatic latent image forming apparatus |
Apr. 3, 1990 |
| 4903051 |
Image forming apparatus for controlling developer to be replenished in accordance with density of developer |
Feb. 20, 1990 |
| 4890125 |
Image forming apparatus for controlling image forming operation in accordance with state of charger |
Dec. 26, 1989 |
| 4875153 |
Mechanism for accurately mounting an electronic light emitting printhead assembly |
Oct. 17, 1989 |
| 4847644 |
Image formation device |
Jul. 11, 1989 |
| 4809042 |
Light beam scanning device and electronic photographic recording device using the same |
Feb. 28, 1989 |
| 4804981 |
Aspheric lens for polygon mirror tilt error correction and scan bow correction in an electrophotographic printer |
Feb. 14, 1989 |
| 4788426 |
Interactive image recording method and means |
Nov. 29, 1988 |
| 4734734 |
Image forming apparatus and erasure illumination device therefor |
Mar. 29, 1988 |
| 4731623 |
Image formation device |
Mar. 15, 1988 |
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