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Class Information
Number: 347/251
Name: Incremental printing of symbolic information > Light or beam marking apparatus or processes > Scan of light > 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.


Sub-classes under this class:

Class Number Class Name Patents
347/252 By adjusting pulse width of light beam 137
347/254 By varying dotting density 87
347/253 By varying intensity of light beam 123


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7602411 Image forming apparatus Oct. 13, 2009
7595812 Image forming apparatus, printer apparatus, facsimile apparatus, and copying machine Sep. 29, 2009
7580051 Method and apparatus for imaging a printing form Aug. 25, 2009
7502041 Method and apparatus for image forming capable of synthesizing a full color image without causing deviations of color layers Mar. 10, 2009
7480074 Image forming method and apparatus and optical head Jan. 20, 2009
7450144 Image forming apparatus Nov. 11, 2008
7400339 Method and system for automatically compensating for diagnosed banding defects prior to the performance of remedial service Jul. 15, 2008
7394479 Pulsed laser printing Jul. 1, 2008
7388694 Method, program and system for image drawing Jun. 17, 2008
7369150 Method, system and program product for amplitude modulated multiple pel print quality enhancement May. 6, 2008
RE40170 Multi-tone image processing method and apparatus Mar. 25, 2008
7347525 Systems and methods for compensating for streaks in images Mar. 25, 2008
7327380 Apparatus for printing a multibit image Feb. 5, 2008
7324131 Method for setting a device for image reproduction on printing plates Jan. 29, 2008
7310107 Method for monitoring image calibration Dec. 18, 2007
7298391 Laser printer for Braille Nov. 20, 2007
7292260 Image forming apparatus and image forming method Nov. 6, 2007
7245311 Image forming apparatus Jul. 17, 2007
7221383 Printer for recording on a moving medium May. 22, 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
7187637 Opto-mechanical adjustment based on sensing label side of optical disc Mar. 6, 2007
7136189 Color halftoning using a multi-level successive-filling halftone screening algorithm Nov. 14, 2006
7125094 Systems and methods for compensating for streaks in images Oct. 24, 2006
7123282 Method and apparatus for minimizing visual artifacts in images generated by an electrophotographic machine Oct. 17, 2006
7095530 Color vector halftoning using a successive filling with improved color registration latitude Aug. 22, 2006
7081913 Image forming apparatus that prints input image of 2/N times print resolution Jul. 25, 2006
7038816 Macro uniformity correction for x-y separable non-uniform May. 2, 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
6956639 Image processing apparatus, image processing method and program Oct. 18, 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
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
6812996 Image processing apparatus, image processing method and program Nov. 2, 2004
6803941 Image forming apparatus with overlapped light fluxes forming a dot Oct. 12, 2004
6798439 Thermal recording by means of a flying spot Sep. 28, 2004
6778205 Methods and apparatuses for forming visible labels on objects using a writable optical disc drive Aug. 17, 2004
6762787 Forming an image on a printing plate using ultrashort laser pulses Jul. 13, 2004
6760056 Macro uniformity correction for x-y separable non-uniformity Jul. 6, 2004
6721065 Method and apparatus for printing images Apr. 13, 2004
6710795 Tuning a printer by printing patterns which beat against a spatial frequency of a component within the printer Mar. 23, 2004
6633323 Visual check window for printing performance and/or toner status Oct. 14, 2003
6608643 Systems and method for measuring or reducing spacing errors in multiple beam ROS systems Aug. 19, 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

1 2 3 4 5


 
 
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