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Class Information
Number: 347/261
Name: Incremental printing of symbolic information > Light or beam marking apparatus or processes > Scan of light > Specific optical structure > Having deflector > Polygon
Description: Subject matter wherein the reflective element has three or more reflective surfaces arranged symmetrically about an axis and is periodically rotated about the axis thereby progressing the writing beam across the record receiver.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8711196 Weight-balanced polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus Apr. 29, 2014
8675036 Deflection scanner Mar. 18, 2014
8654172 Optical scanning device and image forming apparatus Feb. 18, 2014
8654174 Image forming apparatus and method of the same Feb. 18, 2014
8654173 Optical scanning apparatus and image forming apparatus Feb. 18, 2014
8614841 Image-reader Dec. 24, 2013
8614729 Image forming apparatus and method for adjusting rotational phase difference of rotating polygon mirror Dec. 24, 2013
8564635 Optical scanner and image forming apparatus Oct. 22, 2013
8558858 Image forming apparatus Oct. 15, 2013
8547412 Image forming apparatus Oct. 1, 2013
8537192 Exposure device, image forming apparatus and mirror adjusting method Sep. 17, 2013
8525865 Optical scanning apparatus and image forming apparatus provided with the same Sep. 3, 2013
8493427 Optical scanning apparatus and image forming apparatus provided with the same Jul. 23, 2013
8482831 Optical scanning device and image forming apparatus Jul. 9, 2013
8466937 Light scanning apparatus and image forming apparatus Jun. 18, 2013
8462189 Optical scanner used in color image-forming device Jun. 11, 2013
8456502 Optical scanner and image forming apparatus using the same Jun. 4, 2013
8451310 Image forming apparatus May. 28, 2013
8432427 Optical scanning apparatus and image forming apparatus including same Apr. 30, 2013
8379277 Adjusting the speed of a scanner motor in an image forming apparatus Feb. 19, 2013
8350883 Scanning optical apparatus and image forming apparatus using same Jan. 8, 2013
8330784 Image forming apparatus having variable developer intervals Dec. 11, 2012
8314824 Optical scanning apparatus and image forming apparatus using the same Nov. 20, 2012
8310517 Optical scanning device and image forming apparatus Nov. 13, 2012
8259149 Method and apparatus for image forming, and computer program product Sep. 4, 2012
8259150 Image forming apparatus Sep. 4, 2012
8237763 Light source apparatus, and optical scanning apparatus and image forming apparatus using the same Aug. 7, 2012
8233021 Systems and methods for controlling polygon induced banding Jul. 31, 2012
8223184 Scanning optical device and image forming apparatus using the same Jul. 17, 2012
8207997 Optical scanning apparatus for blocking undesirable-light generated in opposing scanning units to form a high quality image Jun. 26, 2012
8189027 Exposure unit, image forming apparatus and image forming method May. 29, 2012
8179561 Optical scanning device and image forming apparatus using the same May. 15, 2012
8169458 Optical scanning device and image forming apparatus May. 1, 2012
8154706 Scanning optical device, image forming apparatus using the same, and method of adjusting scanning optical device Apr. 10, 2012
8144180 Optical scanning apparatus and image forming apparatus including the same Mar. 27, 2012
8144381 Optical system, image forming apparatus, and control method thereof Mar. 27, 2012
8115793 Optical scanning device and image forming apparatus using the same Feb. 14, 2012
8115794 Optical scanning device and image forming apparatus Feb. 14, 2012
8115795 Two-dimensional ROS emitter geometry with low banding sensitivity Feb. 14, 2012
8111278 Image forming apparatus, control method thereof and program thereof Feb. 7, 2012
8085456 Scanning optical system Dec. 27, 2011
8026941 Light scanning unit and image forming apparatus comprising the same Sep. 27, 2011
8026940 Image forming apparatus Sep. 27, 2011
7995089 Motor polygon assembly (MPA) facet reflectivity mapping Aug. 9, 2011
7995087 Optical scanner Aug. 9, 2011
7986334 Image forming apparatus, optical writing device, and optical writing method Jul. 26, 2011
7952604 Image forming apparatus May. 31, 2011
7932918 Exposure apparatus, image forming apparatus, exposure apparatus manufacturing method and image forming method Apr. 26, 2011
7932654 Motor Apr. 26, 2011
7898709 Optical scan apparatus, image formation apparatus, optical deflector manufacturing method, polygon mirror processing method, and polygon mirror processing apparatus Mar. 1, 2011

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