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Class Information
Number: 347/134
Name: Incremental printing of symbolic information > Electric marking apparatus or processes > Electrostatic > Photo scanning > Optical elements interposed between record receiver and beam generator
Description: Subject matter comprising light beam modifying means located between the medium and a light beam generator for affecting the formation of the image.










Sub-classes under this class:

Class Number Class Name Patents
347/137 Lens 74
347/135 Light intensity modulation means 84


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8675034 Optical scanning apparatus and image forming apparatus Mar. 18, 2014
8558858 Image forming apparatus Oct. 15, 2013
8508800 Image forming apparatus and method of color misregistration correction Aug. 13, 2013
8466949 Exposure device and image forming apparatus Jun. 18, 2013
8466937 Light scanning apparatus and image forming apparatus Jun. 18, 2013
8456502 Optical scanner and image forming apparatus using the same Jun. 4, 2013
8432426 Optical component bowing device, optical device, optical scanning device, and image forming apparatus Apr. 30, 2013
8390658 Printing apparatus and a printing system Mar. 5, 2013
8319807 Electrophotographic image forming apparatus Nov. 27, 2012
8310517 Optical scanning device and image forming apparatus Nov. 13, 2012
8289573 Method for reducing registration defects in color printing Oct. 16, 2012
8279250 Scanning optical device and image forming apparatus Oct. 2, 2012
8264510 Exposure head and image forming apparatus Sep. 11, 2012
8253768 Optical scanner and image forming apparatus Aug. 28, 2012
8164606 Exposure apparatus Apr. 24, 2012
8130248 Image forming apparatus and light scanning apparatus Mar. 6, 2012
8098407 Image forming apparatus and correction of position shift of a scan line in a sub-scan direction Jan. 17, 2012
8081200 Laser exposure device, cleaning tool, and image forming apparatus Dec. 20, 2011
8035668 Exposure apparatus and device manufacturing method Oct. 11, 2011
8035669 Image forming apparatus and shutter control method Oct. 11, 2011
7932918 Exposure apparatus, image forming apparatus, exposure apparatus manufacturing method and image forming method Apr. 26, 2011
7889224 Optical path switching device, optical scanning device, and image forming apparatus Feb. 15, 2011
7817176 Light source device, optical scanning device, and image forming apparatus Oct. 19, 2010
7796147 Optical scanner and image-forming device having the same Sep. 14, 2010
7791633 Optical scanning unit and image forming apparatus Sep. 7, 2010
7782353 Image-forming device Aug. 24, 2010
7777923 Optical beam scanning apparatus, image forming apparatus Aug. 17, 2010
7710441 Systems and methods for using multiple scanner facets to write a scan line of image data in an electrophotographic device May. 4, 2010
7663653 Optical head and image forming apparatus incorporating the same Feb. 16, 2010
7474324 Printing apparatus using order-separation type optical modulator Jan. 6, 2009
7355615 Optical scanning apparatus Apr. 8, 2008
7352377 Exposure device and image forming apparatus Apr. 1, 2008
7167291 Optical scanning apparatus and image forming apparatus using the same Jan. 23, 2007
6856335 Optical scanning device for scanning plural surfaces and image forming apparatus using the optical scanning device Feb. 15, 2005
6856426 Solid state scanning type optical recording device Feb. 15, 2005
6847389 Optical beam scanning device and image forming apparatus Jan. 25, 2005
6834949 Device for simultaneously holding by suction and transporting a sheet Dec. 28, 2004
6700596 Scanning optical element with light-beam passage Mar. 2, 2004
6688724 Image forming device and image forming method Feb. 10, 2004
6677578 Internal-surface-scanning image recording apparatus Jan. 13, 2004
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
6489982 Error reduction in a multi-beam scanning optical system, and image-forming apparatus using the same Dec. 3, 2002
6411325 Optical unit, and electrophotographic recording device having same Jun. 25, 2002
6346957 Optical scanning device and image forming apparatus that restrains color aberrations Feb. 12, 2002
6340982 Image forming apparatus and exposure device thereof Jan. 22, 2002
6333756 Optical unit and its manufacturing method and electrophotographic recording device Dec. 25, 2001
6310712 Discrete element light modulating microstructure devices Oct. 30, 2001
6288734 Scanning optical device and image forming apparatus using the same Sep. 11, 2001
6275673 Photosensitive unit, light source and image forming apparatus Aug. 14, 2001

1 2 3










 
 
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