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Class Information
Number: 347/240
Name: Incremental printing of symbolic information > Light or beam marking apparatus or processes > Scan of light > Plural beam scan > Tone marking
Description: Subject matter comprising means for producing a halftone or grey scale image on the record receiver by controlling the amount of light irradiating a given location on the record receiver.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7586507 |
Printer for recording on a moving medium |
Sep. 8, 2009 |
| 7586510 |
Image forming apparatus and image deviation correcting method |
Sep. 8, 2009 |
| 7400339 |
Method and system for automatically compensating for diagnosed banding defects prior to the performance of remedial service |
Jul. 15, 2008 |
| 7397491 |
Light-emitting device and image forming apparatus |
Jul. 8, 2008 |
| 7375740 |
Method and apparatus for adjusting printbar uniformity |
May. 20, 2008 |
| 7369150 |
Method, system and program product for amplitude modulated multiple pel print quality enhancement |
May. 6, 2008 |
| 7324131 |
Method for setting a device for image reproduction on printing plates |
Jan. 29, 2008 |
| 7315315 |
Halftone processing method in laser printer and apparatus using the same |
Jan. 1, 2008 |
| 7310107 |
Method for monitoring image calibration |
Dec. 18, 2007 |
| 7283150 |
Flexible media magnetic printing system |
Oct. 16, 2007 |
| 7283149 |
Optical head and image forming apparatus employing the same |
Oct. 16, 2007 |
| 7256910 |
Color separation method and printed product of the method |
Aug. 14, 2007 |
| 7215353 |
Method and apparatus for image forming capable of effectively controlling a light beam with a pulse width modulation |
May. 8, 2007 |
| 7190483 |
Image recorder |
Mar. 13, 2007 |
| 7177048 |
N-channel screening tool |
Feb. 13, 2007 |
| 7123282 |
Method and apparatus for minimizing visual artifacts in images generated by an electrophotographic machine |
Oct. 17, 2006 |
| 7081913 |
Image forming apparatus that prints input image of 2/N times print resolution |
Jul. 25, 2006 |
| 7006119 |
Image forming apparatus with photoconductive body, and computer-readable storage medium |
Feb. 28, 2006 |
| 7002614 |
Method for calibration of a laser thermal halftone printer |
Feb. 21, 2006 |
| 6965393 |
Image forming apparatus |
Nov. 15, 2005 |
| 6943816 |
Laser-induced thermal imaging with masking |
Sep. 13, 2005 |
| 6940618 |
Linefeed calibration method for a printer |
Sep. 6, 2005 |
| 6914621 |
Shading correction method for heat development recording apparatus and heat development recording apparatus |
Jul. 5, 2005 |
| 6888558 |
Laser-induced thermal imaging with masking |
May. 3, 2005 |
| 6867791 |
Image forming apparatus and image forming method |
Mar. 15, 2005 |
| 6836283 |
Method of setting the image line width in an exposer |
Dec. 28, 2004 |
| 6831672 |
Image forming apparatus |
Dec. 14, 2004 |
| 6819352 |
Method of adjusting print uniformity |
Nov. 16, 2004 |
| 6812951 |
Image recording method and apparatus with density control |
Nov. 2, 2004 |
| 6798439 |
Thermal recording by means of a flying spot |
Sep. 28, 2004 |
| 6710795 |
Tuning a printer by printing patterns which beat against a spatial frequency of a component within the printer |
Mar. 23, 2004 |
| 6693659 |
Image forming apparatus with a print head having variable lighting period |
Feb. 17, 2004 |
| 6633323 |
Visual check window for printing performance and/or toner status |
Oct. 14, 2003 |
| 6628318 |
Method for driving an optical write device |
Sep. 30, 2003 |
| 6608643 |
Systems and method for measuring or reducing spacing errors in multiple beam ROS systems |
Aug. 19, 2003 |
| 6603496 |
Image recording method and apparatus enlarging isolated dots |
Aug. 5, 2003 |
| 6597388 |
Laser-induced thermal imaging with masking |
Jul. 22, 2003 |
| 6563527 |
Information recording method and information reproducing method, recording medium for use in the methods, and information recording apparatus and information reproducing apparatus |
May. 13, 2003 |
| 6556793 |
Image forming apparatus adjusting concentration of gray with improved reference and test patterns |
Apr. 29, 2003 |
| 6545696 |
Optical printing apparatus |
Apr. 8, 2003 |
| 6512535 |
Laser drawing apparatus and laser drawing method |
Jan. 28, 2003 |
| 6504566 |
Optical printing apparatus |
Jan. 7, 2003 |
| 6498616 |
Print head having non-volatile memory and means for transmitting correction and inherent data |
Dec. 24, 2002 |
| 6498617 |
Pulse width modulation circuit, optical write unit, image forming apparatus and optical write method |
Dec. 24, 2002 |
| 6469727 |
Optical quantity measuring method and optical quantity measuring apparatus using same |
Oct. 22, 2002 |
| 6448989 |
Image forming apparatus using digital light as image exposure means |
Sep. 10, 2002 |
| 6433811 |
Method for adjusting print density in a printer |
Aug. 13, 2002 |
| 6411322 |
Test pattern for use to adjust multiple beam spot spacing |
Jun. 25, 2002 |
| 6396530 |
Method for improving exposure resolution using multiple exposures |
May. 28, 2002 |
| 6388698 |
Image recording apparatus with recording period control |
May. 14, 2002 |
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