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Class Information
Number: 347/135
Name: Incremental printing of symbolic information > Electric marking apparatus or processes > Electrostatic > Photo scanning > Optical elements interposed between record receiver and beam generator > Light intensity modulation means
Description: Subject matter wherein a recording energy of at least one writing beam is varied by an electrically variable optically transmission element, located between the medium and the light beam generator, in accordance with the information signal thereby creating at least one modulated writing beam.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7586507 |
Printer for recording on a moving medium |
Sep. 8, 2009 |
| 7489884 |
Image forming apparatus, correction parameter setting device, and density non-uniformity correction device |
Feb. 10, 2009 |
| 7485886 |
Light emitting device, driving method thereof, and image forming apparatus |
Feb. 3, 2009 |
| 7397486 |
Exposure head controller, exposure head and image formation device |
Jul. 8, 2008 |
| 7382387 |
Image forming apparatus and image density correction device |
Jun. 3, 2008 |
| 7358983 |
Printing apparatus |
Apr. 15, 2008 |
| 7280127 |
Scanning apparatus for laser printer |
Oct. 9, 2007 |
| 7277106 |
Scanning apparatus having a fluorescent lamp and control method thereof |
Oct. 2, 2007 |
| 6975339 |
Electrostatic-writing mechanism having micromirrors to selectively direct light onto optical photoconductor mechanism |
Dec. 13, 2005 |
| 6867791 |
Image forming apparatus and image forming method |
Mar. 15, 2005 |
| 6806894 |
Image forming apparatus and main scanning scale correcting method therefor |
Oct. 19, 2004 |
| 6731317 |
Pulse modulation signal generation circuit, and semiconductor laser modulation device, optical scanning device and image formation device using the same |
May. 4, 2004 |
| 6580490 |
Method and apparatus for printing images in multiple formats using a spatial light modulator |
Jun. 17, 2003 |
| 6310712 |
Discrete element light modulating microstructure devices |
Oct. 30, 2001 |
| 6268948 |
Micromachined reflective light valve |
Jul. 31, 2001 |
| 6229650 |
Optical imaging head having a multiple writing bean source |
May. 8, 2001 |
| 6147789 |
High speed deformable mirror light valve |
Nov. 14, 2000 |
| 6121984 |
DMD modulated continuous wave light source for imaging systems |
Sep. 19, 2000 |
| 6061079 |
Laser beam printer with a common scanning optical system |
May. 9, 2000 |
| 6057955 |
Optical modulator and drive method thereof |
May. 2, 2000 |
| 6025859 |
Electrostatic printer having an array of optical modulating grating valves |
Feb. 15, 2000 |
| 6014161 |
Closed loop compensation for gray scale printing devices |
Jan. 11, 2000 |
| 5982403 |
Potential estimating apparatus using a plurality of neural networks for carrying out an electrographic process |
Nov. 9, 1999 |
| 5933255 |
Digital image forming apparatus |
Aug. 3, 1999 |
| 5870205 |
Method and apparatus for correcting light non-uniformity in an LCD photographic printer |
Feb. 9, 1999 |
| 5844588 |
DMD modulated continuous wave light source for xerographic printer |
Dec. 1, 1998 |
| 5754305 |
Method and apparatus for correcting light non-uniformity in an LCD photographic printer |
May. 19, 1998 |
| 5748352 |
Optical scanning device |
May. 5, 1998 |
| 5739842 |
Image forming method and apparatus using rotated screen with pulse width modulation |
Apr. 14, 1998 |
| 5578819 |
Optical recorder having a signal separation circuit and a FIFO memory circuit |
Nov. 26, 1996 |
| 5479175 |
Method and apparatus for enhancing discharged area developed regions in a tri-level pringing system |
Dec. 26, 1995 |
| 5477257 |
Image forming method and apparatus using rotated screen with pulse width modulation |
Dec. 19, 1995 |
| 5438437 |
Image forming apparatus with exposure, size, and position correction for pixels |
Aug. 1, 1995 |
| 5432537 |
Optical recording apparatus capable of controlling optical power of laser diode array |
Jul. 11, 1995 |
| 5430524 |
Unibody printing and copying system and process |
Jul. 4, 1995 |
| 5416506 |
Image-forming apparatus |
May. 16, 1995 |
| 5300962 |
Compound optics for a raster output scanner in an electrophotographic printer |
Apr. 5, 1994 |
| 5260719 |
Laminar electrooptic assembly for modulator and printer |
Nov. 9, 1993 |
| 5260799 |
Pulsed imaging, pulse width modulation scanner for a tri-level highlight color imaging system |
Nov. 9, 1993 |
| 5237340 |
Replaceable elements for xerographic printing process and method of operation |
Aug. 17, 1993 |
| 5227850 |
Electrophotographic plate-making apparatus |
Jul. 13, 1993 |
| 5101236 |
Light energy control system and method of operation |
Mar. 31, 1992 |
| 4977417 |
Electrophotography system |
Dec. 11, 1990 |
| 4965749 |
Method and apparatus providing skip line asynchronous imaging |
Oct. 23, 1990 |
| 4946741 |
Ink recording sheet |
Aug. 7, 1990 |
| 4946233 |
Light scanning apparatus |
Aug. 7, 1990 |
| 4940314 |
Variable wavelength discrete optical image bars having passively enhanced spatial addressing capacity |
Jul. 10, 1990 |
| 4916470 |
Image bar with electrochromic switching system |
Apr. 10, 1990 |
| 4890124 |
Printing apparatus utilizing an electric field applied between a charge storage layer on a transfer drum and a photoconductive layer member |
Dec. 26, 1989 |
| 4801497 |
Recording medium |
Jan. 31, 1989 |
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