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Class Information
Number: 347/133
Name: Incremental printing of symbolic information > Electric marking apparatus or processes > Electrostatic > Photo scanning > Beam generator driving means > Having feedback or environmental control
Description: Subject matter wherein either an output of the writing beam or an ambient condition signal is detected and converted to an electrical signal which controls the activation of the light beam generator.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7564472 |
Optical control apparatus |
Jul. 21, 2009 |
| 7512349 |
Image forming apparatus and method featuring correction for compensating differences in surface potential characteristics of an image supporting body |
Mar. 31, 2009 |
| 7485886 |
Light emitting device, driving method thereof, and image forming apparatus |
Feb. 3, 2009 |
| 7460141 |
Apparatus for imaging on a recording medium |
Dec. 2, 2008 |
| 7317467 |
System for controlling printer cooling fan |
Jan. 8, 2008 |
| 7306313 |
Method of correcting adjustment value for image forming apparatus, image forming apparatus, and memory medium |
Dec. 11, 2007 |
| 7279667 |
Image forming apparatus |
Oct. 9, 2007 |
| 7221464 |
Image recording apparatus and test pattern for evaluating recorded image |
May. 22, 2007 |
| 7170536 |
Light beam scanning apparatus and image forming apparatus |
Jan. 30, 2007 |
| 7154517 |
Image forming apparatus |
Dec. 26, 2006 |
| 7119825 |
Parallel beam to beam power correction |
Oct. 10, 2006 |
| 6989849 |
Exposure head and image forming apparatus using the same |
Jan. 24, 2006 |
| 6975338 |
Image quality detecting apparatus, image forming apparatus and method, and image quality controlling apparatus and method |
Dec. 13, 2005 |
| 6888556 |
Image forming apparatus with end of operating lifetime controller |
May. 3, 2005 |
| 6825863 |
Image forming apparatus with end of operating lifetime controller |
Nov. 30, 2004 |
| 6810799 |
Printing machine with adjusting device for synchronizing the photoconductor and feed guides by means of a master-slave controller |
Nov. 2, 2004 |
| 6795099 |
Laser beam with controllable light quantity feature usable in an image forming apparatus |
Sep. 21, 2004 |
| 6750893 |
Image forming apparatus and method controlling a laser scan unit |
Jun. 15, 2004 |
| 6750892 |
Density correction method and image forming apparatus |
Jun. 15, 2004 |
| 6710792 |
Multibeam scanner |
Mar. 23, 2004 |
| 6700595 |
Image forming apparatus with accurate image formation |
Mar. 2, 2004 |
| 6686943 |
Control method of an electrophotographic record apparatus and image formation apparatus including controlling developing bias and photoconductor surface potential |
Feb. 3, 2004 |
| 6650849 |
Method of and apparatus for controlling image density of toner image based on high and low-density correlation data |
Nov. 18, 2003 |
| 6639617 |
Image forming apparatus having a control unit that controls exposure energy and related image forming method |
Oct. 28, 2003 |
| 6603496 |
Image recording method and apparatus enlarging isolated dots |
Aug. 5, 2003 |
| 6558136 |
Micropump underpressure control device |
May. 6, 2003 |
| 6538678 |
Image forming apparatus with development controller |
Mar. 25, 2003 |
| 6538683 |
Image forming apparatus and a control method of an image forming apparatus |
Mar. 25, 2003 |
| 6529222 |
Optical scanning system for printer and method for adjusting starting point of image scanning |
Mar. 4, 2003 |
| 6529223 |
Image forming apparatus with light beam control |
Mar. 4, 2003 |
| 6507354 |
Image forming apparatus with a writing laser power control |
Jan. 14, 2003 |
| 6504558 |
Image forming apparatus with laser emission control |
Jan. 7, 2003 |
| 6480213 |
Printing apparatus |
Nov. 12, 2002 |
| 6445401 |
Light power modulating system |
Sep. 3, 2002 |
| 6433804 |
Method for printing by using a multilevel character generator and printing device |
Aug. 13, 2002 |
| 6417876 |
Apparatus and method for forming image with high image resolution from images having various dot densities |
Jul. 9, 2002 |
| 6418280 |
Electrophotographic apparatus with exposure control for multiple target light portion potentials |
Jul. 9, 2002 |
| 6344866 |
Light beam scanner unit with passing position and power control and image forming apparatus |
Feb. 5, 2002 |
| 6339441 |
Electrophotographic apparatus with plural beam exposure controlled according to detected potential |
Jan. 15, 2002 |
| 6307579 |
Magnification error correction method for image forming apparatus |
Oct. 23, 2001 |
| 6297839 |
Light beam scanner unit and image forming apparatus with adjustment for contamination |
Oct. 2, 2001 |
| 6292206 |
Image forming apparatus and method of producing light quantity correction data |
Sep. 18, 2001 |
| 6288733 |
Image forming apparatus employing dots of a predetermined diameter |
Sep. 11, 2001 |
| 6285385 |
Electrophotographic method and apparatus which employs light beam irradiation to form an electrostatic image on a surface of a photosensitive member |
Sep. 4, 2001 |
| 6266074 |
Light emitting apparatus with temperature control, exposure apparatus, and image forming apparatus |
Jul. 24, 2001 |
| 6204870 |
Image formation apparatus control by measurement of image patterns having different emission rising characteristics |
Mar. 20, 2001 |
| 6198497 |
Adjustment of a laser diode output power compensator |
Mar. 6, 2001 |
| 6195108 |
Image formation method for forming electrostatic latent image on photosensitive belt with laser beam and image formation apparatus of the same |
Feb. 27, 2001 |
| 6169563 |
Image recording apparatus having a plurality of laser diodes |
Jan. 2, 2001 |
| 6145951 |
Method and apparatus for correcting printhead, printhead corrected by this apparatus, and printing apparatus using this printhead |
Nov. 14, 2000 |
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